diff options
author | Christian Muck <christian.muck@bmw.de> | 2011-04-11 15:41:05 +0200 |
---|---|---|
committer | Christian Muck <christian.muck@bmw.de> | 2011-04-11 15:41:05 +0200 |
commit | 760fb8a4daba3e403376099ce38aca8f88d695d3 (patch) | |
tree | 36b6f428cee8ba0af0fd50b3e44a3d4da9083a44 /src/daemon | |
parent | 5394c6fa5bf40d9bc8619026cbc4c306211a8499 (diff) | |
download | DLT-daemon-760fb8a4daba3e403376099ce38aca8f88d695d3.tar.gz |
Init of dlt daemon
Diffstat (limited to 'src/daemon')
-rwxr-xr-x | src/daemon/CMakeLists.txt | 48 | ||||
-rwxr-xr-x | src/daemon/dlt-daemon.c | 2022 | ||||
-rwxr-xr-x | src/daemon/dlt-daemon.h | 173 | ||||
-rwxr-xr-x | src/daemon/dlt-daemon_cfg.h | 125 | ||||
-rwxr-xr-x | src/daemon/dlt_daemon_common.c | 2196 | ||||
-rwxr-xr-x | src/daemon/dlt_daemon_common.h | 420 | ||||
-rwxr-xr-x | src/daemon/dlt_daemon_common_cfg.h | 129 |
7 files changed, 5113 insertions, 0 deletions
diff --git a/src/daemon/CMakeLists.txt b/src/daemon/CMakeLists.txt new file mode 100755 index 0000000..863036b --- /dev/null +++ b/src/daemon/CMakeLists.txt @@ -0,0 +1,48 @@ +####### +# Dlt - Diagnostic Log and Trace +# @licence make begin@ + # + # Copyright (C) 2011, BMW AG - Alexander Wenzel <alexander.wenzel@bmw.de> + # + # This program is free software; you can redistribute it and/or modify it under the terms of the + # GNU Lesser General Public License, version 2.1, as published by the Free Software Foundation. + # This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even + # the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General + # Public License, version 2.1, for more details. + # + # You should have received a copy of the GNU Lesser General Public License, version 2.1, along + # with this program; if not, see <http://www.gnu.org/licenses/lgpl-2.1.html>. + # + # Note that the copyright holders assume that the GNU Lesser General Public License, version 2.1, may + # also be applicable to programs even in cases in which the program is not a library in the technical sense. + # + # Linking DLT statically or dynamically with other modules is making a combined work based on DLT. You may + # license such other modules under the GNU Lesser General Public License, version 2.1. If you do not want to + # license your linked modules under the GNU Lesser General Public License, version 2.1, you + # may use the program under the following exception. + # + # As a special exception, the copyright holders of DLT give you permission to combine DLT + # with software programs or libraries that are released under any license unless such a combination is not + # permitted by the license of such a software program or library. You may copy and distribute such a + # system following the terms of the GNU Lesser General Public License, version 2.1, including this + # special exception, for DLT and the licenses of the other code concerned. + # + # Note that people who make modified versions of DLT are not obligated to grant this special exception + # for their modified versions; it is their choice whether to do so. The GNU Lesser General Public License, + # version 2.1, gives permission to release a modified version without this exception; this exception + # also makes it possible to release a modified version which carries forward this exception. + # + # @licence end@ +######## + +set(dlt_daemon_SRCS dlt-daemon dlt_daemon_common ${CMAKE_SOURCE_DIR}/src/shared/dlt_user_shared.c ${CMAKE_SOURCE_DIR}/src/shared/dlt_common.c) +add_executable(dlt-daemon ${dlt_daemon_SRCS}) +target_link_libraries(dlt-daemon rt ${CMAKE_THREAD_LIBS_INIT}) + +install(TARGETS dlt-daemon + RUNTIME DESTINATION bin + PERMISSIONS OWNER_EXECUTE OWNER_WRITE OWNER_READ + GROUP_EXECUTE GROUP_READ + WORLD_EXECUTE WORLD_READ + COMPONENT base) + diff --git a/src/daemon/dlt-daemon.c b/src/daemon/dlt-daemon.c new file mode 100755 index 0000000..ad2aa9d --- /dev/null +++ b/src/daemon/dlt-daemon.c @@ -0,0 +1,2022 @@ +/* + * Dlt Daemon - Diagnostic Log and Trace + * @licence app begin@ + * + * Copyright (C) 2011, BMW AG - Alexander Wenzel <alexander.wenzel@bmw.de> + * + * This program is free software; you can redistribute it and/or modify it under the terms of the + * GNU Lesser General Public License, version 2.1, as published by the Free Software Foundation. + * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General + * Public License, version 2.1, for more details. + * + * You should have received a copy of the GNU Lesser General Public License, version 2.1, along + * with this program; if not, see <http://www.gnu.org/licenses/lgpl-2.1.html>. + * + * Note that the copyright holders assume that the GNU Lesser General Public License, version 2.1, may + * also be applicable to programs even in cases in which the program is not a library in the technical sense. + * + * Linking DLT statically or dynamically with other modules is making a combined work based on DLT. You may + * license such other modules under the GNU Lesser General Public License, version 2.1. If you do not want to + * license your linked modules under the GNU Lesser General Public License, version 2.1, you + * may use the program under the following exception. + * + * As a special exception, the copyright holders of DLT give you permission to combine DLT + * with software programs or libraries that are released under any license unless such a combination is not + * permitted by the license of such a software program or library. You may copy and distribute such a + * system following the terms of the GNU Lesser General Public License, version 2.1, including this + * special exception, for DLT and the licenses of the other code concerned. + * + * Note that people who make modified versions of DLT are not obligated to grant this special exception + * for their modified versions; it is their choice whether to do so. The GNU Lesser General Public License, + * version 2.1, gives permission to release a modified version without this exception; this exception + * also makes it possible to release a modified version which carries forward this exception. + * + * @licence end@ + */ + + +/******************************************************************************* +** ** +** SRC-MODULE: dlt-daemon.c ** +** ** +** TARGET : linux ** +** ** +** PROJECT : DLT ** +** ** +** AUTHOR : Alexander Wenzel Alexander.AW.Wenzel@bmw.de ** +** Markus Klein ** +** ** +** PURPOSE : ** +** ** +** REMARKS : ** +** ** +** PLATFORM DEPENDANT [yes/no]: yes ** +** ** +** TO BE CHANGED BY USER [yes/no]: no ** +** ** +*******************************************************************************/ + +/******************************************************************************* +** Author Identity ** +******************************************************************************** +** ** +** Initials Name Company ** +** -------- ------------------------- ---------------------------------- ** +** aw Alexander Wenzel BMW ** +** mk Markus Klein Fraunhofer ESK ** +*******************************************************************************/ + +/******************************************************************************* +** Revision Control History ** +*******************************************************************************/ + +/* + * $LastChangedRevision: 1670 $ + * $LastChangedDate: 2011-04-08 15:12:06 +0200 (Fr, 08. Apr 2011) $ + * $LastChangedBy$ + Initials Date Comment + aw 13.01.2010 initial + */ + +#include <netdb.h> +#include <ctype.h> +#include <stdio.h> /* for printf() and fprintf() */ +#include <sys/socket.h> /* for socket(), connect(), (), and recv() */ +#include <arpa/inet.h> /* for sockaddr_in and inet_addr() */ +#include <stdlib.h> /* for atoi() and exit() */ +#include <string.h> /* for memset() */ +#include <unistd.h> /* for close() */ +#include <fcntl.h> +#include <signal.h> +#include <syslog.h> +#include <errno.h> +#include <pthread.h> + +#include <sys/timerfd.h> +#include <sys/stat.h> +#include <sys/time.h> +#include <linux/stat.h> + +#include "version.h" +#include "svnversion.h" + +#include "dlt_types.h" +#include "dlt-daemon.h" +#include "dlt-daemon_cfg.h" + +/** \page Contents + * The package automotive-dlt includes the following items: + * - dlt daemon (dlt-daemon) + * - adptors to to interface the daemon (dlt-adaptor-stdin, dlt-adaptor-udp) + * - dlt client gui (dlt-viewer) + * - dlt console tools (dlt-receive, dlt-convert) + * - examples (dlt-example-user, dlt-example-user-func, dlt-example-ringbuffer) + * - a library including user-application, client and common functions + */ + +/** + \defgroup daemon DLT Daemon + \addtogroup daemon + \{ +*/ + +/** Global text output buffer, mainly used for creation of error/warning strings */ +static char str[DLT_DAEMON_TEXTBUFSIZE]; + +static DltDaemonTimingPacketThreadData dlt_daemon_timingpacket_thread_data; + +static pthread_t dlt_daemon_timingpacket_thread_handle; +static pthread_attr_t dlt_daemon_timingpacket_thread_attr; + +/** + * Print usage information of tool. + */ +void usage() +{ + printf("Usage: dlt-daemon [options]\n"); + printf("DLT logging daemon\n"); + printf("Options:\n"); + printf(" -a Print DLT messages; payload as ASCII\n"); + printf(" -x Print DLT messages; payload as hex\n"); + printf(" -s Print DLT messages; only headers\n"); + printf(" -d Daemonize\n"); + printf(" -v Verbose mode\n"); + printf(" -h Usage\n"); + printf(" -l Send DLT messages with serial header\n"); + printf(" -r Send automatic get log info response during\n"); + printf(" context registration\n"); + printf(" -m Sync to serial header on serial connection\n"); + printf(" -n Sync to serial header on all TCP connections\n"); + printf(" -y devname Additional support for serial device\n"); + printf(" -b baudrate Serial device baudrate (Default: 115200)\n"); + printf(" -e ecuid Set ECU ID (Default: ECU1)\n"); + printf(" -o filename Store DLT messages to local log file\n"); + printf(" -f filename Enable filtering of messages\n"); + printf(" -u size Size of the ringbuffer in bytes (Default: 10024)\n"); +} /* usage() */ + +/** + * Option handling + */ +int option_handling(DltDaemonLocal *daemon_local,int argc, char* argv[]) + { + int c; + + if (daemon_local==0) + { + fprintf (stderr, "Invalid parameter passed to option_handling()\n"); + return -1; + } + + /* Initialize flags */ + memset(daemon_local,0,sizeof(DltDaemonLocal)); + + opterr = 0; + + while ((c = getopt (argc, argv, "hvasxdlrmnf:o:e:b:y:u:")) != -1) + { + switch (c) + { + case 'v': + { + daemon_local->flags.vflag = 1; + break; + } + case 'a': + { + daemon_local->flags.aflag = 1; + break; + } + case 's': + { + daemon_local->flags.sflag = 1; + break; + } + case 'x': + { + daemon_local->flags.xflag = 1; + break; + } + case 'd': + { + daemon_local->flags.dflag = 1; + break; + } + case 'l': + { + daemon_local->flags.lflag = 1; + break; + } + case 'r': + { + daemon_local->flags.rflag = 1; + break; + } + case 'm': + { + daemon_local->flags.mflag = 1; + break; + } + case 'n': + { + daemon_local->flags.nflag = 1; + break; + } + case 'f': + { + daemon_local->flags.fvalue = optarg; + break; + } + case 'o': + { + daemon_local->flags.ovalue = optarg; + break; + } + case 'e': + { + daemon_local->flags.evalue = optarg; + break; + } + case 'b': + { + daemon_local->flags.bvalue = optarg; + break; + } + case 'y': + { + daemon_local->flags.yvalue = optarg; + break; + } + case 'u': + { + daemon_local->flags.uvalue = optarg; + break; + } + case 'h': + { + usage(); + return -2; /* return no error */ + } + case '?': + { + if (optopt == 'f' || optopt == 'o' || optopt == 'e' || optopt == 'b' || optopt == 'y' || optopt == 'u') + { + fprintf (stderr, "Option -%c requires an argument.\n", optopt); + } + else if (isprint (optopt)) + { + fprintf (stderr, "Unknown option `-%c'.\n", optopt); + } + else + { + fprintf (stderr, "Unknown option character `\\x%x'.\n",optopt); + } + /* unknown or wrong option used, show usage information and terminate */ + usage(); + return -1; + } + default: + { + fprintf (stderr, "Invalid option, this should never occur!\n"); + return -1; + } + } /* switch() */ + } + + return 0; + + } /* option_handling() */ + +/** + * Main function of tool. + */ +int main(int argc, char* argv[]) +{ + char version[DLT_DAEMON_TEXTBUFSIZE]; + DltDaemonLocal daemon_local; + DltDaemon daemon; + + int i,back; + + /* Command line option handling */ + if ((back = option_handling(&daemon_local,argc,argv))<0) + { + if(back!=-2) { + fprintf (stderr, "option_handling() failed!\n"); + } + return -1; + } + + /* Initialize logging facility */ + dlt_log_init(daemon_local.flags.dflag); + + /* Print version information */ + dlt_get_version(version); + + sprintf(str,"Starting DLT Daemon; %s\n", version ); + dlt_log(LOG_NOTICE, str); + + PRINT_FUNCTION_VERBOSE(daemon_local.flags.vflag); + + /* --- Daemon init phase 1 begin --- */ + if (dlt_daemon_local_init_p1(&daemon, &daemon_local, daemon_local.flags.vflag)==-1) + { + dlt_log(LOG_CRIT,"Initialization of phase 1 failed!\n"); + return -1; + } + /* --- Daemon init phase 1 end --- */ + + /* --- Daemon connection init begin */ + if (dlt_daemon_local_connection_init(&daemon, &daemon_local, daemon_local.flags.vflag)==-1) + { + dlt_log(LOG_CRIT,"Initialization of local connections failed!\n"); + return -1; + } + /* --- Daemon connection init end */ + + /* --- Daemon init phase 2 begin --- */ + if (dlt_daemon_local_init_p2(&daemon, &daemon_local, daemon_local.flags.vflag)==-1) + { + dlt_log(LOG_CRIT,"Initialization of phase 2 failed!\n"); + return -1; + } + /* --- Daemon init phase 2 end --- */ + + while (1) + { + /* wait for events form all FIFO and sockets */ + daemon_local.read_fds = daemon_local.master; + if (select(daemon_local.fdmax+1, &(daemon_local.read_fds), NULL, NULL, NULL) == -1) + { + dlt_log(LOG_CRIT, "select() failed!\n"); + return -1 ; + } /* if */ + + /* run through the existing FIFO and sockets to check for events */ + for (i = 0; i <= daemon_local.fdmax; i++) + { + if (FD_ISSET(i, &(daemon_local.read_fds))) + { + if (i == daemon_local.sock) + { + /* event from TCP server socket, new connection */ + if (dlt_daemon_process_client_connect(&daemon, &daemon_local, daemon_local.flags.vflag)==-1) + { + dlt_log(LOG_CRIT,"Connect to dlt client failed!\n"); + return -1; + } + } + else if (i == daemon_local.fp) + { + /* event from the FIFO happened */ + if (dlt_daemon_process_user_messages(&daemon, &daemon_local, daemon_local.flags.vflag)==-1) + { + dlt_log(LOG_CRIT,"Processing of messages from user connection failed!\n"); + return -1; + } + } + else if ((i == daemon_local.fdserial) && (daemon_local.flags.yvalue!=0)) + { + /* event from serial connection to client received */ + if (dlt_daemon_process_client_messages_serial(&daemon, &daemon_local, daemon_local.flags.vflag)==-1) + { + dlt_log(LOG_CRIT,"Processing of messages from serial connection failed!\n"); + return -1; + } + } + else + { + /* event from tcp connection to client received */ + daemon_local.receiverSock.fd = i; + if (dlt_daemon_process_client_messages(&daemon, &daemon_local, daemon_local.flags.vflag)==-1) + { + dlt_log(LOG_CRIT,"Processing of messages from client connection failed!\n"); + return -1; + } + } /* else */ + } /* if */ + } /* for */ + } /* while */ + + dlt_daemon_local_cleanup(&daemon, &daemon_local, daemon_local.flags.vflag); + + dlt_log(LOG_NOTICE, "Leaving DLT daemon\n"); + + return 0; + +} /* main() */ + +int dlt_daemon_local_init_p1(DltDaemon *daemon, DltDaemonLocal *daemon_local, int verbose) +{ + PRINT_FUNCTION_VERBOSE(verbose); + + if ((daemon==0) || (daemon_local==0)) + { + dlt_log(LOG_ERR, "Invalid function parameters used for function dlt_daemon_local_init_p1()\n"); + return -1; + } + + /* Check for daemon mode */ + if (daemon_local->flags.dflag) + { + dlt_daemon_daemonize(daemon_local->flags.vflag); + } + + /* initialise structure to use DLT file */ + if (dlt_file_init(&(daemon_local->file),daemon_local->flags.vflag)==-1) + { + dlt_log(LOG_ERR,"Could not initialize file structure\n"); + /* Return value ignored, dlt daemon will exit */ + dlt_file_free(&(daemon_local->file),daemon_local->flags.vflag); + return -1; + } + + /* first parse filter file if filter parameter is used */ + if (daemon_local->flags.fvalue) + { + if (dlt_filter_load(&(daemon_local->filter),daemon_local->flags.fvalue,daemon_local->flags.vflag)<0) + { + dlt_log(LOG_ERR,"Could not load filters\n"); + /* Return value ignored, dlt daemon will exit */ + dlt_file_free(&(daemon_local->file),daemon_local->flags.vflag); + return -1; + } /* if */ + + if (dlt_file_set_filter(&(daemon_local->file),&(daemon_local->filter),daemon_local->flags.vflag)==-1) + { + dlt_log(LOG_ERR,"Could not apply filters\n"); + /* Return value ignored, dlt daemon will exit */ + dlt_file_free(&(daemon_local->file),daemon_local->flags.vflag); + return -1; + } + } /* if */ + + signal(SIGPIPE,SIG_IGN); + + signal(SIGTERM, dlt_daemon_signal_handler); /* software termination signal from kill */ + signal(SIGHUP, dlt_daemon_signal_handler); /* hangup signal */ + signal(SIGQUIT, dlt_daemon_signal_handler); + signal(SIGINT, dlt_daemon_signal_handler); + + /* open DLT output file */ + daemon_local->ohandle=-1; + if (daemon_local->flags.ovalue) + { + daemon_local->ohandle = open(daemon_local->flags.ovalue,O_WRONLY|O_CREAT, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH); /* mode: wb */ + if (daemon_local->ohandle == -1) + { + /* Return value ignored, dlt daemon will exit */ + dlt_file_free(&(daemon_local->file),daemon_local->flags.vflag); + sprintf(str,"Output file %s cannot be opened!\n",daemon_local->flags.ovalue); + dlt_log(LOG_ERR, str); + return -1; + } /* if */ + } /* if */ + + return 0; +} + +int dlt_daemon_local_init_p2(DltDaemon *daemon, DltDaemonLocal *daemon_local, int verbose) +{ + PRINT_FUNCTION_VERBOSE(verbose); + + if ((daemon==0) || (daemon_local==0)) + { + dlt_log(LOG_ERR, "Invalid function parameters used for function dlt_daemon_local_init_p2()\n"); + return -1; + } + + /* Daemon data */ + if (dlt_daemon_init(daemon,daemon_local->flags.vflag)==-1) + { + dlt_log(LOG_ERR,"Could not initialize daemon data\n"); + return -1; + } + + /* Set ECU id of daemon */ + if (daemon_local->flags.evalue!=0) + { + dlt_set_id(daemon->ecuid,daemon_local->flags.evalue); + } + else + { + dlt_set_id(daemon->ecuid,DLT_DAEMON_ECU_ID); + } + + /* Set flag for optional sending of serial header */ + daemon->sendserialheader = daemon_local->flags.lflag; + + /* prepare ringbuffer size */ + if (daemon_local->flags.uvalue!=0) + { + daemon_local->ringbufferSize = atoi(daemon_local->flags.uvalue); + } + else + { + daemon_local->ringbufferSize = DLT_DAEMON_RCVBUFSIZE; + } + sprintf(str,"Ringbuffer size: %d bytes\n",daemon_local->ringbufferSize); + dlt_log(LOG_NOTICE, str); + + /* prepare main loop */ + if (dlt_message_init(&(daemon_local->msg),daemon_local->flags.vflag)==-1) + { + dlt_log(LOG_ERR,"Could not initialize message\n"); + return -1; + } + + if (dlt_receiver_init(&(daemon_local->receiver),daemon_local->fp,daemon_local->ringbufferSize)==-1) + { + dlt_log(LOG_ERR,"Could not initialize receiver\n"); + return -1; + } + if (dlt_receiver_init(&(daemon_local->receiverSock),daemon_local->sock,DLT_DAEMON_RCVBUFSIZESOCK)==-1) + { + dlt_log(LOG_ERR,"Could not initialize receiver for socket\n"); + return -1; + } + + if (daemon_local->flags.yvalue!=0) + { + if (dlt_receiver_init(&(daemon_local->receiverSerial),daemon_local->fdserial,DLT_DAEMON_RCVBUFSIZESERIAL)==-1) + { + dlt_log(LOG_ERR,"Could not initialize receiver for serial connection\n"); + return -1; + } + } + + /* setup period thread for timing packets */ + if (pthread_attr_init(&dlt_daemon_timingpacket_thread_attr)<0) + { + dlt_log(LOG_WARNING, "Initialization of default thread stack size failed!\n"); + } + else + { + if (pthread_attr_setstacksize(&dlt_daemon_timingpacket_thread_attr,DLT_DAEMON_TIMINGPACKET_THREAD_STACKSIZE)<0) + { + dlt_log(LOG_WARNING, "Setting of default thread stack size failed!\n"); + } + } + + /* Binary semaphore for thread */ + if (sem_init(&dlt_daemon_mutex, 0, 1)==-1) + { + dlt_log(LOG_ERR,"Could not initialize binary semaphore\n"); + return -1; + } + + /* start thread */ + dlt_daemon_timingpacket_thread_data.daemon = daemon; + dlt_daemon_timingpacket_thread_data.daemon_local = daemon_local; + + if (pthread_create(&(dlt_daemon_timingpacket_thread_handle), + &dlt_daemon_timingpacket_thread_attr, + (void *) &dlt_daemon_timingpacket_thread, + (void *)&dlt_daemon_timingpacket_thread_data)!=0) + { + dlt_log(LOG_ERR,"Could not initialize timing packet thread\n"); + pthread_attr_destroy(&dlt_daemon_timingpacket_thread_attr); + return -1; + } + + pthread_attr_destroy(&dlt_daemon_timingpacket_thread_attr); + + return 0; +} + +int dlt_daemon_local_connection_init(DltDaemon *daemon, DltDaemonLocal *daemon_local, int verbose) +{ + int ret; + int yes = 1; + + struct sockaddr_in servAddr; + unsigned int servPort = DLT_DAEMON_TCP_PORT; + + PRINT_FUNCTION_VERBOSE(verbose); + + if ((daemon==0) || (daemon_local==0)) + { + dlt_log(LOG_ERR, "Invalid function parameters used for function dlt_daemon_local_connection_init()\n"); + return -1; + } + + /* open named pipe(FIFO) to receive DLT messages from users */ + umask(0); + + /* Try to delete existing pipe, ignore result of unlink */ + unlink(DLT_USER_FIFO); + + ret=mkfifo(DLT_USER_FIFO, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH ); + if (ret==-1) + { + sprintf(str,"FIFO user %s cannot be created!\n",DLT_USER_FIFO); + dlt_log(LOG_ERR, str); + return -1; + } /* if */ + + daemon_local->fp = open(DLT_USER_FIFO, O_RDWR); + if (daemon_local->fp==-1) + { + sprintf(str,"FIFO user %s cannot be opened!\n",DLT_USER_FIFO); + dlt_log(LOG_ERR, str); + return -1; + } /* if */ + + /* create and open socket to receive incoming connections from client */ + if ((daemon_local->sock = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0) + { + dlt_log(LOG_ERR, "socket() failed!\n"); + return -1; + } /* if */ + + setsockopt(daemon_local->sock, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(int)); + memset(&servAddr, 0, sizeof(servAddr)); + servAddr.sin_family = AF_INET; + servAddr.sin_addr.s_addr = INADDR_ANY; + servAddr.sin_port = htons(servPort); + + if (bind(daemon_local->sock, (struct sockaddr *) &servAddr, sizeof(servAddr)) < 0) + { + dlt_log(LOG_ERR, "bind() failed!\n"); + return -1; + } /* if */ + + if (daemon_local->flags.vflag) + { + dlt_log(LOG_INFO, "Bind succesfull\n"); + } + + if (listen(daemon_local->sock, 3) < 0) + { + dlt_log(LOG_ERR, "listen() failed!\n"); + return -1; + } /* if */ + + if (daemon_local->flags.vflag) + { + dlt_log(LOG_INFO, "Listen succesfull\n"); + } + + /* prepare usage of select(), add FIFO and receiving socket */ + FD_ZERO(&(daemon_local->master)); + FD_ZERO(&(daemon_local->read_fds)); + FD_SET(daemon_local->sock, &(daemon_local->master)); + + daemon_local->fdmax = daemon_local->sock; + + FD_SET(daemon_local->fp, &(daemon_local->master)); + + if (daemon_local->fp > daemon_local->fdmax) + { + daemon_local->fdmax = daemon_local->fp; + } + + if (daemon_local->flags.yvalue!=0) + { + /* create and open serial connection from/to client */ + /* open serial connection */ + daemon_local->fdserial=open(daemon_local->flags.yvalue,O_RDWR); + if (daemon_local->fdserial<0) + { + daemon_local->flags.yvalue = 0; + sprintf(str,"Failed to open serial device %s\n", daemon_local->flags.yvalue); + dlt_log(LOG_ERR, str); + return -1; + } + + if (isatty(daemon_local->fdserial)) + { + if (daemon_local->flags.bvalue!=0) + { + daemon_local->baudrate = dlt_convert_serial_speed(atoi(daemon_local->flags.bvalue)); + } + else + { + daemon_local->baudrate = dlt_convert_serial_speed(DLT_DAEMON_SERIAL_DEFAULT_BAUDRATE); + } + + if (dlt_setup_serial(daemon_local->fdserial,daemon_local->baudrate)<0) + { + close(daemon_local->fdserial); + daemon_local->flags.yvalue = 0; + sprintf(str,"Failed to configure serial device %s (%s) \n", daemon_local->flags.yvalue, strerror(errno)); + dlt_log(LOG_ERR, str); + return -1; + } + + FD_SET(daemon_local->fdserial, &(daemon_local->master)); + + if (daemon_local->fdserial > daemon_local->fdmax) + { + daemon_local->fdmax = daemon_local->fdserial; + } + + if (daemon_local->flags.vflag) + { + dlt_log(LOG_INFO, "Serial init done\n"); + } + } + else + { + close(daemon_local->fdserial); + daemon_local->flags.yvalue = 0; + fprintf(stderr,"Device is not a serial device, device = %s (%s) \n", daemon_local->flags.yvalue, strerror(errno)); + return -1; + } + } + + return 0; +} + + +void dlt_daemon_local_cleanup(DltDaemon *daemon, DltDaemonLocal *daemon_local, int verbose) +{ + PRINT_FUNCTION_VERBOSE(verbose); + + if ((daemon==0) || (daemon_local==0)) + { + dlt_log(LOG_ERR, "Invalid function parameters used for function dlt_daemon_local_cleanup()\n"); + return; + } + + /* Ignore result */ + dlt_receiver_free(&(daemon_local->receiver)); + /* Ignore result */ + dlt_receiver_free(&(daemon_local->receiverSock)); + + /* Ignore result */ + dlt_message_free(&(daemon_local->msg),daemon_local->flags.vflag); + close(daemon_local->fp); + + if (daemon_local->flags.ovalue) + { + close(daemon_local->ohandle); + } /* if */ + + /* Ignore result */ + dlt_file_free(&(daemon_local->file),daemon_local->flags.vflag); + + /* Try to delete existing pipe, ignore result of unlink() */ + unlink(DLT_USER_FIFO); + + /* Try to delete lock file, ignore result of unlink() */ + unlink(DLT_DAEMON_LOCK_FILE); +} + +void dlt_daemon_signal_handler(int sig) +{ + switch (sig) + { + case SIGHUP: + case SIGTERM: + case SIGINT: + case SIGQUIT: + { + /* finalize the server */ + //dlt_log("terminate signal catched"); + dlt_log(LOG_NOTICE, "Exiting DLT daemon\n"); + + /* Try to delete existing pipe, ignore result of unlink() */ + unlink(DLT_USER_FIFO); + + /* Try to delete lock file, ignore result of unlink() */ + unlink(DLT_DAEMON_LOCK_FILE); + + /* Terminate program */ + exit(0); + break; + } + default: + { + /* This case should never occur */ + break; + } + } /* switch */ +} /* dlt_daemon_signal_handler() */ + +void dlt_daemon_daemonize(int verbose) +{ + int i,lfp,bytes_written,ret; + + PRINT_FUNCTION_VERBOSE(verbose); + + dlt_log(LOG_NOTICE, "Daemon mode\n"); + + /* Daemonize */ + i=fork(); + if (i<0) + { + dlt_log(LOG_CRIT, "Unable to fork(), exiting DLT daemon\n"); + exit(-1); /* fork error */ + } + + if (i>0) + { + exit(0); /* parent exits */ + } + /* child (daemon) continues */ + + /* Process independency */ + + /* obtain a new process group */ + if (setsid()==-1) + { + dlt_log(LOG_CRIT, "setsid() failed, exiting DLT daemon\n"); + exit(-1); /* fork error */ + } + + /* Close descriptors */ + for (i=getdtablesize();i>=0;--i) + { + close(i); /* close all descriptors */ + } + + /* Open standard descriptors stdin, stdout, stderr */ + i=open("/dev/null",O_RDWR); /* open stdin */ + ret=dup(i); /* stdout */ + ret=dup(i); /* stderr */ + + /* Set umask */ + umask(DLT_DAEMON_UMASK); + + /* Change to known directory */ + ret=chdir(DLT_USER_DIR); + + /* Ensure single copy of daemon; + run only one instance at a time */ + lfp=open(DLT_DAEMON_LOCK_FILE,O_RDWR|O_CREAT,DLT_DAEMON_LOCK_FILE_PERM); + if (lfp<0) + { + dlt_log(LOG_CRIT, "can't open lock file, exiting DLT daemon\n"); + exit(-1); /* can not open */ + } + if (lockf(lfp,F_TLOCK,0)<0) + { + dlt_log(LOG_CRIT, "can't lock lock file, exiting DLT daemon\n"); + exit(-1); /* can not lock */ + } + /* only first instance continues */ + + sprintf(str,"%d\n",getpid()); + bytes_written=write(lfp,str,strlen(str)); /* record pid to lockfile */ + + /* Catch signals */ + signal(SIGCHLD,SIG_IGN); /* ignore child */ + signal(SIGTSTP,SIG_IGN); /* ignore tty signals */ + signal(SIGTTOU,SIG_IGN); + signal(SIGTTIN,SIG_IGN); + +} /* dlt_daemon_daemonize() */ + +int dlt_daemon_process_client_connect(DltDaemon *daemon, DltDaemonLocal *daemon_local, int verbose) +{ + socklen_t cli_size; + struct sockaddr cli; + + int in_sock = -1; + + PRINT_FUNCTION_VERBOSE(verbose); + + if ((daemon==0) || (daemon_local==0)) + { + dlt_log(LOG_ERR, "Invalid function parameters used for function dlt_daemon_process_client_connect()\n"); + return -1; + } + + /* event from TCP server socket, new connection */ + cli_size = sizeof(cli); + if ((in_sock = accept(daemon_local->sock,&cli, &cli_size)) < 0) + { + dlt_log(LOG_ERR, "accept() failed!\n"); + return -1 ; + } + //sprintf("str,"Client Connection from %s\n", inet_ntoa(cli.sin_addr)); + //dlt_log(str); + FD_SET(in_sock, &(daemon_local->master)); /* add to master set */ + if (in_sock > daemon_local->fdmax) + { + /* keep track of the maximum */ + daemon_local->fdmax = in_sock; + } /* if */ + + daemon_local->client_connections++; + if (daemon_local->flags.vflag) + { + sprintf(str, "New connection to client established, #connections: %d\n",daemon_local->client_connections); + dlt_log(LOG_INFO, str); + } + + if (daemon_local->client_connections==1) + { + if (daemon_local->flags.vflag) + { + dlt_log(LOG_INFO, "Send ring-buffer to client\n"); + } + if (dlt_daemon_send_ringbuffer_to_client(daemon, daemon_local, verbose)==-1) + { + dlt_log(LOG_ERR,"Can't send contents of ringbuffer to clients\n"); + return -1; + } + } + + return 0; +} + +int dlt_daemon_process_client_messages(DltDaemon *daemon, DltDaemonLocal *daemon_local, int verbose) +{ + int bytes_to_be_removed=0; + + PRINT_FUNCTION_VERBOSE(verbose); + + if ((daemon==0) || (daemon_local==0)) + { + dlt_log(LOG_ERR, "Invalid function parameters used for function dlt_daemon_process_client_messages()\n"); + return -1; + } + + if (dlt_receiver_receive_socket(&(daemon_local->receiverSock))<=0) + { + close(daemon_local->receiverSock.fd); + FD_CLR(daemon_local->receiverSock.fd, &(daemon_local->master)); + + if (daemon_local->client_connections) + { + daemon_local->client_connections--; + } + + if (daemon_local->flags.vflag) + { + sprintf(str, "Connection to client lost, #connections: %d\n",daemon_local->client_connections); + dlt_log(LOG_INFO, str); + } + + /* check: return 0; */ + } + + /* Process all received messages */ + while (dlt_message_read(&(daemon_local->msg),(uint8_t*)daemon_local->receiverSock.buf,daemon_local->receiverSock.bytesRcvd,daemon_local->flags.nflag,daemon_local->flags.vflag)==0) + { + /* Check for control message */ + if (DLT_MSG_IS_CONTROL_REQUEST(&(daemon_local->msg))) + { + dlt_daemon_control_process_control(daemon_local->receiverSock.fd, daemon, &(daemon_local->msg), daemon_local->flags.vflag); + } + + bytes_to_be_removed = daemon_local->msg.headersize+daemon_local->msg.datasize-sizeof(DltStorageHeader); + if (daemon_local->msg.found_serialheader) + { + bytes_to_be_removed += sizeof(dltSerialHeader); + } + if (daemon_local->msg.resync_offset) + { + bytes_to_be_removed += daemon_local->msg.resync_offset; + } + + if (dlt_receiver_remove(&(daemon_local->receiverSock),bytes_to_be_removed)==-1) + { + dlt_log(LOG_ERR,"Can't remove bytes from receiver for sockets\n"); + return -1; + } + + } /* while */ + + + if (dlt_receiver_move_to_begin(&(daemon_local->receiverSock))==-1) + { + dlt_log(LOG_ERR,"Can't move bytes to beginning of receiver buffer for sockets\n"); + return -1; + } + + return 0; +} + +int dlt_daemon_process_client_messages_serial(DltDaemon *daemon, DltDaemonLocal *daemon_local, int verbose) +{ + int bytes_to_be_removed=0; + + PRINT_FUNCTION_VERBOSE(verbose); + + if ((daemon==0) || (daemon_local==0)) + { + dlt_log(LOG_ERR, "Invalid function parameters used for function dlt_daemon_process_client_messages_serial()\n"); + return -1; + } + + if (dlt_receiver_receive_fd(&(daemon_local->receiverSerial))<=0) + { + dlt_log(LOG_ERR, "dlt_receiver_receive_fd() for messages from serial interface failed!\n"); + return -1; + } + + /* Process all received messages */ + while (dlt_message_read(&(daemon_local->msg),(uint8_t*)daemon_local->receiverSerial.buf,daemon_local->receiverSerial.bytesRcvd,daemon_local->flags.mflag,daemon_local->flags.vflag)==0) + { + /* Check for control message */ + if (DLT_MSG_IS_CONTROL_REQUEST(&(daemon_local->msg))) + { + if (dlt_daemon_control_process_control(daemon_local->receiverSerial.fd, daemon, &(daemon_local->msg), daemon_local->flags.vflag)==-1) + { + dlt_log(LOG_ERR,"Can't process control messages\n"); + return -1; + } + } + + bytes_to_be_removed = daemon_local->msg.headersize+daemon_local->msg.datasize-sizeof(DltStorageHeader); + if (daemon_local->msg.found_serialheader) + { + bytes_to_be_removed += sizeof(dltSerialHeader); + } + if (daemon_local->msg.resync_offset) + { + bytes_to_be_removed += daemon_local->msg.resync_offset; + } + + if (dlt_receiver_remove(&(daemon_local->receiverSerial),bytes_to_be_removed)==-1) + { + dlt_log(LOG_ERR,"Can't remove bytes from receiver for serial connection\n"); + return -1; + } + + } /* while */ + + + if (dlt_receiver_move_to_begin(&(daemon_local->receiverSerial))==-1) + { + dlt_log(LOG_ERR,"Can't move bytes to beginning of receiver buffer for serial connection\n"); + return -1; + } + + return 0; +} + +int dlt_daemon_process_user_messages(DltDaemon *daemon, DltDaemonLocal *daemon_local, int verbose) +{ + int offset=0; + int run_loop=1; + DltUserHeader *userheader; + + PRINT_FUNCTION_VERBOSE(verbose); + + if ((daemon==0) || (daemon_local==0)) + { + dlt_log(LOG_ERR, "Invalid function parameters used for function dlt_daemon_process_user_messages()\n"); + return -1; + } + + /* read data from FIFO */ + if (dlt_receiver_receive_fd(&(daemon_local->receiver))<=0) + { + dlt_log(LOG_ERR, "dlt_receiver_receive_fd() for user messages failed!\n"); + return -1; + } + + /* look through buffer as long as data is in there */ + do + { + if (daemon_local->receiver.bytesRcvd < sizeof(DltUserHeader)) + { + break; + } + + /* resync if necessary */ + offset=0; + do + { + userheader = (DltUserHeader*) (daemon_local->receiver.buf+offset); + + /* Check for user header pattern */ + if (dlt_user_check_userheader(userheader)) + { + break; + } + + offset++; + + } + while ((sizeof(DltUserHeader)+offset)<=daemon_local->receiver.bytesRcvd); + + /* Check for user header pattern */ + if (dlt_user_check_userheader(userheader)==0) + { + break; + } + + /* Set new start offset */ + if (offset>0) + { + daemon_local->receiver.buf+=offset; + daemon_local->receiver.bytesRcvd-=offset; + } + + switch (userheader->message) + { + case DLT_USER_MESSAGE_OVERFLOW: + { + if (dlt_daemon_process_user_message_overflow(daemon, daemon_local, daemon_local->flags.vflag)==-1) + { + run_loop=0; + } + break; + } + case DLT_USER_MESSAGE_REGISTER_CONTEXT: + { + if (dlt_daemon_process_user_message_register_context(daemon, daemon_local, daemon_local->flags.vflag)==-1) + { + run_loop=0; + } + break; + } + case DLT_USER_MESSAGE_UNREGISTER_CONTEXT: + { + if (dlt_daemon_process_user_message_unregister_context(daemon, daemon_local, daemon_local->flags.vflag)==-1) + { + run_loop=0; + } + break; + } + case DLT_USER_MESSAGE_LOG: + { + if (dlt_daemon_process_user_message_log(daemon, daemon_local, daemon_local->flags.vflag)==-1) + { + run_loop=0; + } + break; + } + case DLT_USER_MESSAGE_REGISTER_APPLICATION: + { + if (dlt_daemon_process_user_message_register_application(daemon, daemon_local, daemon_local->flags.vflag)==-1) + { + run_loop=0; + } + break; + } + case DLT_USER_MESSAGE_UNREGISTER_APPLICATION: + { + if (dlt_daemon_process_user_message_unregister_application(daemon, daemon_local, daemon_local->flags.vflag)==-1) + { + run_loop=0; + } + break; + } + case DLT_USER_MESSAGE_APP_LL_TS: + { + if (dlt_daemon_process_user_message_set_app_ll_ts(daemon, daemon_local, daemon_local->flags.vflag)==-1) + { + run_loop=0; + } + break; + } + default: + { + dlt_log(LOG_ERR,"(Internal) Invalid user message type received!\n"); + + /* remove user header */ + if (dlt_receiver_remove(&(daemon_local->receiver),sizeof(DltUserHeader))==-1) + { + dlt_log(LOG_ERR,"Can't remove bytes from receiver for user messages\n"); + return -1; + } + + /* In next invocation of do-while loop, a resync will be triggered if additional data was received */ + run_loop=0; + + break; + } + } + + } + while (run_loop); + + /* keep not read data in buffer */ + if (dlt_receiver_move_to_begin(&(daemon_local->receiver))==-1) + { + dlt_log(LOG_ERR,"Can't move bytes to beginning of receiver buffer for user messages\n"); + return -1; + } + + return 0; +} + +int dlt_daemon_process_user_message_overflow(DltDaemon *daemon, DltDaemonLocal *daemon_local, int verbose) +{ + int j, sent; + + PRINT_FUNCTION_VERBOSE(verbose); + + if ((daemon==0) || (daemon_local==0)) + { + dlt_log(LOG_ERR, "Invalid function parameters used for function dlt_daemon_process_user_message_overflow()\n"); + return -1; + } + + /* Store in daemon, that a message buffer overflow has occured */ + daemon->message_buffer_overflow = DLT_MESSAGE_BUFFER_OVERFLOW; + + /* look if TCP connection to client is available */ + sent = 0; + + for (j = 0; j <= daemon_local->fdmax; j++) + { + /* send to everyone! */ + if (FD_ISSET(j, &(daemon_local->master))) + { + /* except the listener and ourselves */ + if ((j != daemon_local->fp) && (j != daemon_local->sock)) + { + dlt_daemon_control_message_buffer_overflow(j, daemon, verbose); + sent=1; + /* Reset overflow state */ + daemon->message_buffer_overflow = DLT_MESSAGE_BUFFER_NO_OVERFLOW; + } /* if */ + } /* if */ + } /* for */ + + /* message was not sent, so store it in ringbuffer */ + if (sent==0) + { + dlt_daemon_control_message_buffer_overflow(DLT_DAEMON_STORE_TO_BUFFER, daemon, verbose); + } + + /* keep not read data in buffer */ + if (dlt_receiver_remove(&(daemon_local->receiver),sizeof(DltUserHeader))==-1) + { + dlt_log(LOG_ERR,"Can't remove bytes from receiver for user message overflow\n"); + return -1; + } + + return 0; +} + +int dlt_daemon_process_user_message_register_application(DltDaemon *daemon, DltDaemonLocal *daemon_local, int verbose) +{ + uint32_t len=0; + DltDaemonApplication *application; + char description[DLT_DAEMON_DESCSIZE]; + DltUserControlMsgRegisterApplication *usercontext; + + PRINT_FUNCTION_VERBOSE(verbose); + + if ((daemon==0) || (daemon_local==0)) + { + dlt_log(LOG_ERR, "Invalid function parameters used for function dlt_daemon_process_user_message_register_application()\n"); + return -1; + } + + if (daemon_local->receiver.bytesRcvd < (sizeof(DltUserHeader)+sizeof(DltUserControlMsgRegisterApplication))) + { + /* Not enough bytes received */ + return -1; + } + + usercontext = (DltUserControlMsgRegisterApplication*) (daemon_local->receiver.buf+sizeof(DltUserHeader)); + + memset(description,0,sizeof(description)); + + len=usercontext->description_length; + if ((len>0) && (len<=DLT_DAEMON_DESCSIZE)) + { + /* Read and store application description */ + strncpy(description, (daemon_local->receiver.buf+sizeof(DltUserHeader)+sizeof(DltUserControlMsgRegisterApplication)), len); + } + + application=dlt_daemon_application_add(daemon,usercontext->apid,usercontext->pid,description,verbose); + + /* keep not read data in buffer */ + if (dlt_receiver_remove(&(daemon_local->receiver),sizeof(DltUserHeader)+sizeof(DltUserControlMsgRegisterApplication)+len)==-1) + { + dlt_log(LOG_ERR,"Can't remove bytes from receiver for user message register application\n"); + return -1; + } + + if (application==0) + { + dlt_log(LOG_CRIT,"Can't add application"); + return -1; + } + + return 0; +} + +int dlt_daemon_process_user_message_register_context(DltDaemon *daemon, DltDaemonLocal *daemon_local, int verbose) +{ + uint32_t len=0; + int8_t loglevel, tracestatus; + DltUserControlMsgRegisterContext *usercontext; + char description[DLT_DAEMON_DESCSIZE]; + DltDaemonApplication *application; + DltDaemonContext *context; + DltServiceGetLogInfoRequest *req; + + DltMessage msg; + int j; + int sent; + + PRINT_FUNCTION_VERBOSE(verbose); + + if ((daemon==0) || (daemon_local==0)) + { + dlt_log(LOG_ERR, "Invalid function parameters used for function dlt_daemon_process_user_message_register_context()\n"); + return -1; + } + + if (daemon_local->receiver.bytesRcvd < (sizeof(DltUserHeader)+sizeof(DltUserControlMsgRegisterContext))) + { + /* Not enough bytes received */ + return -1; + } + + usercontext = (DltUserControlMsgRegisterContext*) (daemon_local->receiver.buf+sizeof(DltUserHeader)); + + memset(description,0,sizeof(description)); + + len=usercontext->description_length; + if ((len>0) && (len<=DLT_DAEMON_DESCSIZE)) + { + /* Read and store context description */ + strncpy(description, (daemon_local->receiver.buf+sizeof(DltUserHeader)+sizeof(DltUserControlMsgRegisterContext)), len); + } + + application = dlt_daemon_application_find(daemon,usercontext->apid,verbose); + + if (application==0) + { + dlt_log(LOG_ERR, "Application not found in dlt_daemon_process_user_message_register_context()\n"); + if (dlt_receiver_remove(&(daemon_local->receiver),sizeof(DltUserHeader)+sizeof(DltUserControlMsgRegisterContext)+len)==-1) + { + dlt_log(LOG_ERR,"Can't remove bytes from receiver for user message register context\n"); + return -1; + } + return 0; + } + + /* Pre-set loglevel */ + if (usercontext->log_level == DLT_USER_LOG_LEVEL_NOT_SET) + { + loglevel=DLT_LOG_DEFAULT; + } + else + { + loglevel=usercontext->log_level; + /* Plausibility check */ + if ((loglevel<DLT_LOG_DEFAULT) || (loglevel>DLT_LOG_VERBOSE)) + { + if (dlt_receiver_remove(&(daemon_local->receiver),sizeof(DltUserHeader)+sizeof(DltUserControlMsgRegisterContext)+len)==-1) + { + dlt_log(LOG_ERR,"Can't remove bytes from receiver for user message register context\n"); + } + return -1; + } + } + + /* Pre-set tracestatus */ + if (usercontext->trace_status == DLT_USER_TRACE_STATUS_NOT_SET) + { + tracestatus=DLT_TRACE_STATUS_DEFAULT; + } + else + { + tracestatus=usercontext->trace_status; + + /* Plausibility check */ + if ((tracestatus<DLT_TRACE_STATUS_DEFAULT) || (tracestatus>DLT_TRACE_STATUS_ON)) + { + if (dlt_receiver_remove(&(daemon_local->receiver),sizeof(DltUserHeader)+sizeof(DltUserControlMsgRegisterContext)+len)==-1) + { + dlt_log(LOG_ERR,"Can't remove bytes from receiver for user message register context\n"); + } + return -1; + } + } + + context = dlt_daemon_context_add(daemon,usercontext->apid,usercontext->ctid, loglevel, tracestatus, usercontext->log_level_pos,application->user_handle,description,verbose); + + if (context==0) + { + if (dlt_receiver_remove(&(daemon_local->receiver),sizeof(DltUserHeader)+sizeof(DltUserControlMsgRegisterContext)+len)==-1) + { + dlt_log(LOG_ERR,"Can't remove bytes from receiver for user message register context\n"); + } + + dlt_log(LOG_CRIT,"Can't add context"); + return -1; + } + /* Create automatic get log info response for registered context */ + if (daemon_local->flags.rflag) + { + /* Prepare request for get log info with one application and one context */ + if (dlt_message_init(&msg, verbose)==-1) + { + dlt_log(LOG_ERR,"Can't initialize message"); + return -1; + } + + msg.datasize = sizeof(DltServiceGetLogInfoRequest); + if (msg.databuffer) + { + free(msg.databuffer); + } + msg.databuffer = (uint8_t *) malloc(msg.datasize); + if (msg.databuffer==0) + { + dlt_log(LOG_ERR,"Can't allocate buffer for get log info message\n"); + return -1; + } + + req = (DltServiceGetLogInfoRequest*) msg.databuffer; + + req->service_id = DLT_SERVICE_ID_GET_LOG_INFO; + req->options = 7; + dlt_set_id(req->apid, usercontext->apid); + dlt_set_id(req->ctid, usercontext->ctid); + dlt_set_id(req->com,"remo"); + + sent=0; + + /* Send response to get log info request to DLT clients */ + for (j = 0; j <= daemon_local->fdmax; j++) + { + /* send to everyone! */ + if (FD_ISSET(j, &(daemon_local->master))) + { + /* except the listener and ourselves */ + if ((j != daemon_local->fp) && (j != daemon_local->sock)) + { + dlt_daemon_control_get_log_info(j , daemon, &msg, verbose); + sent=1; + } + } + } + + if (sent==0) + { + /* Store to buffer */ + dlt_daemon_control_get_log_info(DLT_DAEMON_STORE_TO_BUFFER , daemon, &msg, verbose); + } + + dlt_message_free(&msg, verbose); + } + + if (context->user_handle!=0) + { + /* This call also replaces the default values with the values defined for default */ + if (dlt_daemon_user_send_log_level(daemon, context, verbose)==-1) + { + dlt_log(LOG_ERR,"Can't send current log level as response to user message register context\n"); + return -1; + } + } + + /* keep not read data in buffer */ + if (dlt_receiver_remove(&(daemon_local->receiver),sizeof(DltUserHeader)+sizeof(DltUserControlMsgRegisterContext)+len)==-1) + { + dlt_log(LOG_ERR,"Can't remove bytes from receiver for user message register context\n"); + return -1; + } + + return 0; +} + +int dlt_daemon_process_user_message_unregister_application(DltDaemon *daemon, DltDaemonLocal *daemon_local, int verbose) +{ + DltUserControlMsgUnregisterApplication *usercontext; + DltDaemonApplication *application; + DltDaemonContext *context; + int i, offset_base; + + PRINT_FUNCTION_VERBOSE(verbose); + + if ((daemon==0) || (daemon_local==0)) + { + dlt_log(LOG_ERR, "Invalid function parameters used for function dlt_daemon_process_user_message_unregister_application()\n"); + return -1; + } + + if (daemon_local->receiver.bytesRcvd < (sizeof(DltUserHeader)+sizeof(DltUserControlMsgUnregisterApplication))) + { + /* Not enough bytes received */ + return -1; + } + + if (daemon->num_applications>0) + { + usercontext = (DltUserControlMsgUnregisterApplication*) (daemon_local->receiver.buf+sizeof(DltUserHeader)); + + /* Delete this application and all corresponding contexts for this application from internal table */ + application = dlt_daemon_application_find(daemon,usercontext->apid, verbose); + + if (application) + { + /* Calculate start offset within contexts[] */ + offset_base=0; + for (i=0; i<(application-(daemon->applications)); i++) + { + offset_base+=daemon->applications[i].num_contexts; + } + + for (i=application->num_contexts-1; i>=0; i--) + { + context = &(daemon->contexts[offset_base+i]); + if (context) + { + /* Delete context */ + if (dlt_daemon_context_del(daemon, context, verbose)==-1) + { + dlt_log(LOG_ERR,"Can't delete context for user message unregister application\n"); + return -1; + } + } + } + + /* Delete this application entry from internal table*/ + if (dlt_daemon_application_del(daemon, application, verbose)==-1) + { + dlt_log(LOG_ERR,"Can't delete application for user message unregister application\n"); + return -1; + } + } + } + + /* keep not read data in buffer */ + if (dlt_receiver_remove(&(daemon_local->receiver),sizeof(DltUserHeader)+sizeof(DltUserControlMsgUnregisterApplication))==-1) + { + dlt_log(LOG_ERR,"Can't remove bytes from receiver for user message unregister application\n"); + return -1; + } + + return 0; +} + +int dlt_daemon_process_user_message_unregister_context(DltDaemon *daemon, DltDaemonLocal *daemon_local, int verbose) +{ + DltUserControlMsgUnregisterContext *usercontext; + DltDaemonContext *context; + + PRINT_FUNCTION_VERBOSE(verbose); + + if ((daemon==0) || (daemon_local==0)) + { + dlt_log(LOG_ERR, "Invalid function parameters used for function dlt_daemon_process_user_message_unregister_context()\n"); + return -1; + } + + if (daemon_local->receiver.bytesRcvd < (sizeof(DltUserHeader)+sizeof(DltUserControlMsgUnregisterContext))) + { + /* Not enough bytes received */ + return -1; + } + + usercontext = (DltUserControlMsgUnregisterContext*) (daemon_local->receiver.buf+sizeof(DltUserHeader)); + context = dlt_daemon_context_find(daemon,usercontext->apid, usercontext->ctid, verbose); + + if (context) + { + /* Delete this connection entry from internal table*/ + if (dlt_daemon_context_del(daemon, context, verbose)==-1) + { + dlt_log(LOG_ERR,"Can't delete context for user message unregister context\n"); + return -1; + } + } + + /* keep not read data in buffer */ + if (dlt_receiver_remove(&(daemon_local->receiver),sizeof(DltUserHeader)+sizeof(DltUserControlMsgUnregisterContext))==-1) + { + dlt_log(LOG_ERR,"Can't remove bytes from receiver for user message unregister context\n"); + return -1; + } + + return 0; +} + +int dlt_daemon_process_user_message_log(DltDaemon *daemon, DltDaemonLocal *daemon_local, int verbose) +{ + int bytes_to_be_removed; + int j,sent,third_value; + ssize_t ret; + + static char text[DLT_DAEMON_TEXTSIZE]; + + PRINT_FUNCTION_VERBOSE(verbose); + + if ((daemon==0) || (daemon_local==0)) + { + dlt_log(LOG_ERR, "Invalid function parameters used for function dlt_daemon_process_user_message_log()\n"); + return -1; + } + + if (dlt_message_read(&(daemon_local->msg),(unsigned char*)daemon_local->receiver.buf+sizeof(DltUserHeader),daemon_local->receiver.bytesRcvd-sizeof(DltUserHeader),0,verbose)==0) + { + /* set overwrite ecu id */ + if (daemon_local->flags.evalue!=0) + { + /* Set header extra parameters */ + dlt_set_id(daemon_local->msg.headerextra.ecu, daemon->ecuid ); + //msg.headerextra.seid = 0; + if (dlt_message_set_extraparameters(&(daemon_local->msg),0)==-1) + { + dlt_log(LOG_ERR,"Can't set message extra parameters in process user message log\n"); + return -1; + } + + /* Correct value of timestamp, this was changed by dlt_message_set_extraparameters() */ + daemon_local->msg.headerextra.tmsp = DLT_BETOH_32(daemon_local->msg.headerextra.tmsp); + } + + /* prepare storage header */ + if (DLT_IS_HTYP_WEID(daemon_local->msg.standardheader->htyp)) + { + if (dlt_set_storageheader(daemon_local->msg.storageheader,daemon_local->msg.headerextra.ecu)==-1) + { + dlt_log(LOG_ERR,"Can't set storage header in process user message log\n"); + return -1; + } + } + else + { + if (dlt_set_storageheader(daemon_local->msg.storageheader,daemon->ecuid)==-1) + { + dlt_log(LOG_ERR,"Can't set storage header in process user message log\n"); + return -1; + } + } + + if ((daemon_local->flags.fvalue==0) || + (daemon_local->flags.fvalue && (dlt_message_filter_check(&(daemon_local->msg),&(daemon_local->filter),verbose)==1))) + { + /* if no filter set or filter is matching display message */ + if (daemon_local->flags.xflag) + { + if (dlt_message_print_hex(&(daemon_local->msg),text,DLT_DAEMON_TEXTSIZE,verbose)==-1) + { + dlt_log(LOG_ERR,"dlt_message_print_hex() failed!\n"); + } + } /* if */ + else if (daemon_local->flags.aflag) + { + if (dlt_message_print_ascii(&(daemon_local->msg),text,DLT_DAEMON_TEXTSIZE,verbose)==-1) + { + dlt_log(LOG_ERR,"dlt_message_print_ascii() failed!\n"); + } + } /* if */ + else if (daemon_local->flags.sflag) + { + if (dlt_message_print_header(&(daemon_local->msg),text,DLT_DAEMON_TEXTSIZE,verbose)==-1) + { + dlt_log(LOG_ERR,"dlt_message_print_header() failed!\n"); + } + /* print message header only */ + } /* if */ + + /* if file output enabled write message */ + if (daemon_local->flags.ovalue) + { + /* write message to output buffer */ + if (dlt_user_log_out2(daemon_local->ohandle, + daemon_local->msg.headerbuffer, + daemon_local->msg.headersize, + daemon_local->msg.databuffer, + daemon_local->msg.datasize) !=DLT_RETURN_OK) + { + dlt_log(LOG_ERR,"Writing to output file failed!\n"); + } + } /* if */ + + sent=0; + + /* look if TCP connection to client is available */ + for (j = 0; j <= daemon_local->fdmax; j++) + { + /* send to everyone! */ + if (FD_ISSET(j, &(daemon_local->master))) + { + /* except the listener and ourselves */ + if (daemon_local->flags.yvalue!=0) + { + third_value = daemon_local->fdserial; + } + else + { + third_value = daemon_local->sock; + } + + if ((j != daemon_local->fp) && (j != daemon_local->sock) && (j != third_value)) + { + DLT_DAEMON_SEM_LOCK(); + + if (daemon_local->flags.lflag) + { + send(j,dltSerialHeader,sizeof(dltSerialHeader),0); + } + + send(j,daemon_local->msg.headerbuffer+sizeof(DltStorageHeader),daemon_local->msg.headersize-sizeof(DltStorageHeader),0); + send(j,daemon_local->msg.databuffer,daemon_local->msg.datasize,0); + + DLT_DAEMON_SEM_FREE(); + + sent=1; + } /* if */ + else if ((j == daemon_local->fdserial) && (daemon_local->flags.yvalue!=0)) + { + DLT_DAEMON_SEM_LOCK(); + + if (daemon_local->flags.lflag) + { + ret=write(j,dltSerialHeader,sizeof(dltSerialHeader)); + } + + ret=write(j,daemon_local->msg.headerbuffer+sizeof(DltStorageHeader),daemon_local->msg.headersize-sizeof(DltStorageHeader)); + ret=write(j,daemon_local->msg.databuffer,daemon_local->msg.datasize); + + DLT_DAEMON_SEM_FREE(); + + sent=1; + } + } /* if */ + } /* for */ + + /* Message was not sent to client, so store it in client ringbuffer */ + if (sent==0) + { + if (dlt_ringbuffer_put3(&(daemon->client_ringbuffer), + daemon_local->msg.headerbuffer+sizeof(DltStorageHeader),daemon_local->msg.headersize-sizeof(DltStorageHeader), + daemon_local->msg.databuffer,daemon_local->msg.datasize, + 0, 0 + )<0) + { + dlt_log(LOG_ERR,"Storage of message in history buffer failed! Message discarded.\n"); + } + } + + } + /* keep not read data in buffer */ + bytes_to_be_removed = daemon_local->msg.headersize+daemon_local->msg.datasize-sizeof(DltStorageHeader)+sizeof(DltUserHeader); + if (daemon_local->msg.found_serialheader) + { + bytes_to_be_removed += sizeof(dltSerialHeader); + } + + if (dlt_receiver_remove(&(daemon_local->receiver),bytes_to_be_removed)==-1) + { + dlt_log(LOG_ERR,"Can't remove bytes from receiver\n"); + return -1; + } + } + else + { + dlt_log(LOG_ERR,"Can't read messages from receiver\n"); + return -1; + } + + return 0; +} + +int dlt_daemon_process_user_message_set_app_ll_ts(DltDaemon *daemon, DltDaemonLocal *daemon_local, int verbose) +{ + DltUserControlMsgAppLogLevelTraceStatus *usercontext; + DltDaemonApplication *application; + DltDaemonContext *context; + int i, offset_base; + int8_t old_log_level, old_trace_status; + + PRINT_FUNCTION_VERBOSE(verbose); + + if ((daemon==0) || (daemon_local==0)) + { + dlt_log(LOG_ERR, "Invalid function parameters used for function dlt_daemon_process_user_message_set_app_ll_ts()\n"); + return -1; + } + + if (daemon_local->receiver.bytesRcvd < (sizeof(DltUserHeader)+sizeof(DltUserControlMsgAppLogLevelTraceStatus ))) + { + /* Not enough bytes receeived */ + return -1; + } + + if (daemon->num_applications>0) + { + usercontext = (DltUserControlMsgAppLogLevelTraceStatus*) (daemon_local->receiver.buf+sizeof(DltUserHeader)); + + /* Get all contexts with application id matching the received application id */ + application = dlt_daemon_application_find(daemon, usercontext->apid, verbose); + if (application) + { + /* Calculate start offset within contexts[] */ + offset_base=0; + for (i=0; i<(application-(daemon->applications)); i++) + { + offset_base+=daemon->applications[i].num_contexts; + } + + for (i=0; i < application->num_contexts; i++) + { + context = &(daemon->contexts[offset_base+i]); + if (context) + { + old_log_level = context->log_level; + context->log_level = usercontext->log_level; /* No endianess conversion necessary*/ + + old_trace_status = context->trace_status; + context->trace_status = usercontext->trace_status; /* No endianess conversion necessary */ + + /* The folowing function sends also the trace status */ + if ((context->user_handle==0) || + (dlt_daemon_user_send_log_level(daemon, context, verbose)!=0)) + { + context->log_level = old_log_level; + context->trace_status = old_trace_status; + } + } + } + } + } + + /* keep not read data in buffer */ + if (dlt_receiver_remove(&(daemon_local->receiver),sizeof(DltUserHeader)+sizeof(DltUserControlMsgAppLogLevelTraceStatus))==-1) + { + dlt_log(LOG_ERR,"Can't remove bytes from receiver\n"); + return -1; + } + + return 0; +} + +int dlt_daemon_send_ringbuffer_to_client(DltDaemon *daemon, DltDaemonLocal *daemon_local, int verbose) +{ + static uint8_t data[DLT_DAEMON_RINGBUFFER_SIZE]; + size_t length=0; + int j, third_value; + ssize_t ret; + + PRINT_FUNCTION_VERBOSE(verbose); + + if ((daemon==0) || (daemon_local==0)) + { + dlt_log(LOG_ERR, "Invalid function parameters used for function dlt_daemon_send_ringbuffer_to_client()\n"); + return -1; + } + + /* Attention: If the message can't be send at this time, it will be silently discarded. */ + while ((dlt_ringbuffer_get(&(daemon->client_ringbuffer), data, &length ))!=-1) + { + /* look if TCP connection to client is available */ + for (j = 0; j <= daemon_local->fdmax; j++) + { + /* send to everyone! */ + if (FD_ISSET(j, &(daemon_local->master))) + { + /* except the listener and ourselves */ + if (daemon_local->flags.yvalue!=0) + { + third_value = daemon_local->fdserial; + } + else + { + third_value = daemon_local->sock; + } + + if ((j != daemon_local->fp) && (j != daemon_local->sock) && (j != third_value)) + { + DLT_DAEMON_SEM_LOCK(); + + if (daemon_local->flags.lflag) + { + send(j,dltSerialHeader,sizeof(dltSerialHeader),0); + } + send(j,data,length,0); + + DLT_DAEMON_SEM_FREE(); + + } /* if */ + else if ((j == daemon_local->fdserial) && (daemon_local->flags.yvalue!=0)) + { + DLT_DAEMON_SEM_LOCK(); + + if (daemon_local->flags.lflag) + { + ret=write(j,dltSerialHeader,sizeof(dltSerialHeader)); + } + ret=write(j,data,length); + + DLT_DAEMON_SEM_LOCK(); + } + } /* if */ + } /* for */ + } + + return 0; +} + +void dlt_daemon_timingpacket_thread(void *ptr) +{ + DltDaemonPeriodicData info; + int j; + + DltDaemonTimingPacketThreadData *data; + DltDaemon *daemon; + DltDaemonLocal *daemon_local; + + if (ptr==0) + { + dlt_log(LOG_ERR, "No data pointer passed to timingpacket thread\n"); + return; + } + + data = (DltDaemonTimingPacketThreadData*)ptr; + daemon = data->daemon; + daemon_local = data->daemon_local; + + if ((daemon==0) || (daemon_local==0)) + { + dlt_log(LOG_ERR, "Invalid function parameters used for function dlt_daemon_timingpacket_thread()"); + return; + } + + if (dlt_daemon_make_periodic (1000000, &info, daemon_local->flags.vflag)<0) + { + dlt_log(LOG_CRIT,"Can't initialize thread timer!\n"); + return; + } + + while (1) + { + /* If enabled, send timing packets to all clients */ + if (daemon->timingpackets) + { + for (j = 0; j <= daemon_local->fdmax; j++) + { + /* send to everyone! */ + if (FD_ISSET(j, &(daemon_local->master))) + { + /* except the listener and ourselves */ + if ((j != daemon_local->fp) && (j != daemon_local->sock)) + { + dlt_daemon_control_message_time(j, daemon, daemon_local->flags.vflag); + } + } + } + } + /* Wait for next period */ + dlt_daemon_wait_period (&info, daemon_local->flags.vflag); + } +} + +int dlt_daemon_make_periodic (unsigned int period, DltDaemonPeriodicData *info, int verbose) +{ + int ret; + unsigned int ns; + unsigned int sec; + int fd; + struct itimerspec itval; + + PRINT_FUNCTION_VERBOSE(verbose); + + if (info==0) + { + dlt_log(LOG_ERR,"No data pointer passed!\n"); + return -1; + } + + /* Create the timer */ + fd = timerfd_create (CLOCK_MONOTONIC, 0); + + info->wakeups_missed = 0; + info->timer_fd = fd; + + if (fd == -1) + { + dlt_log(LOG_ERR,"Can't create timer filedescriptor"); + return -1; + } + + /* Make the timer periodic */ + sec = period/1000000; + ns = (period - (sec * 1000000)) * 1000; + itval.it_interval.tv_sec = sec; + itval.it_interval.tv_nsec = ns; + itval.it_value.tv_sec = sec; + itval.it_value.tv_nsec = ns; + + ret = timerfd_settime (fd, 0, &itval, NULL); + + return ret; +} + +void dlt_daemon_wait_period (DltDaemonPeriodicData *info, int verbose) +{ + unsigned long long missed; + int ret; + + PRINT_FUNCTION_VERBOSE(verbose); + + ret = read (info->timer_fd, &missed, sizeof (missed)); + + if (missed > 0) + { + info->wakeups_missed += (missed - 1); + } +} + +/** + \} +*/ diff --git a/src/daemon/dlt-daemon.h b/src/daemon/dlt-daemon.h new file mode 100755 index 0000000..e229df5 --- /dev/null +++ b/src/daemon/dlt-daemon.h @@ -0,0 +1,173 @@ +/*
+ * Dlt- Diagnostic Log and Trace daemon
+ * @licence app begin@ + * + * Copyright (C) 2011, BMW AG - Alexander Wenzel <alexander.wenzel@bmw.de> + * + * This program is free software; you can redistribute it and/or modify it under the terms of the + * GNU Lesser General Public License, version 2.1, as published by the Free Software Foundation. + * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General + * Public License, version 2.1, for more details. + * + * You should have received a copy of the GNU Lesser General Public License, version 2.1, along + * with this program; if not, see <http://www.gnu.org/licenses/lgpl-2.1.html>. + * + * Note that the copyright holders assume that the GNU Lesser General Public License, version 2.1, may + * also be applicable to programs even in cases in which the program is not a library in the technical sense. + * + * Linking DLT statically or dynamically with other modules is making a combined work based on DLT. You may + * license such other modules under the GNU Lesser General Public License, version 2.1. If you do not want to + * license your linked modules under the GNU Lesser General Public License, version 2.1, you + * may use the program under the following exception. + * + * As a special exception, the copyright holders of DLT give you permission to combine DLT + * with software programs or libraries that are released under any license unless such a combination is not + * permitted by the license of such a software program or library. You may copy and distribute such a + * system following the terms of the GNU Lesser General Public License, version 2.1, including this + * special exception, for DLT and the licenses of the other code concerned. + * + * Note that people who make modified versions of DLT are not obligated to grant this special exception + * for their modified versions; it is their choice whether to do so. The GNU Lesser General Public License, + * version 2.1, gives permission to release a modified version without this exception; this exception + * also makes it possible to release a modified version which carries forward this exception. + * + * @licence end@
+ */
+
+
+/*******************************************************************************
+** **
+** SRC-MODULE: dlt-daemon.h **
+** **
+** TARGET : linux **
+** **
+** PROJECT : DLT **
+** **
+** AUTHOR : Alexander Wenzel Alexander.AW.Wenzel@bmw.de **
+** Markus Klein **
+** **
+** PURPOSE : **
+** **
+** REMARKS : **
+** **
+** PLATFORM DEPENDANT [yes/no]: yes **
+** **
+** TO BE CHANGED BY USER [yes/no]: no **
+** **
+*******************************************************************************/
+
+/*******************************************************************************
+** Author Identity **
+********************************************************************************
+** **
+** Initials Name Company **
+** -------- ------------------------- ---------------------------------- **
+** aw Alexander Wenzel BMW **
+** mk Markus Klein Fraunhofer ESK **
+*******************************************************************************/
+
+/*******************************************************************************
+** Author Identity **
+********************************************************************************
+** **
+** Initials Name Company **
+** -------- ------------------------- ---------------------------------- **
+** aw Alexander Wenzel BMW **
+** mk Markus Klein Fraunhofer ESK **
+*******************************************************************************/
+
+#ifndef DLT_DAEMON_H
+#define DLT_DAEMON_H
+
+#include "dlt_daemon_common.h"
+#include "dlt_user_shared.h"
+#include "dlt_user_shared_cfg.h"
+
+/**
+ * The flags of a dlt daemon.
+ */
+typedef struct
+{
+ int aflag; /**< (Boolean) Print DLT messages; payload as ASCII */
+ int sflag; /**< (Boolean) Print DLT messages; payload as hex */
+ int xflag; /**< (Boolean) Print DLT messages; only headers */
+ int vflag; /**< (Boolean) Verbose mode */
+ int dflag; /**< (Boolean) Daemonize */
+ int lflag; /**< (Boolean) Send DLT messages with serial header */
+ int rflag; /**< (Boolean) Send automatic get log info response during context registration */
+ int mflag; /**< (Boolean) Sync to serial header on serial connection */
+ int nflag; /**< (Boolean) Sync to serial header on all TCP connections */
+ char *ovalue; /**< (String: Filename) Store DLT messages to local log file */
+ char *fvalue; /**< (String: Filename) Enable filtering of messages */
+ char *evalue; /**< (String: ECU ID) Set ECU ID (Default: ECU1) */
+ char *bvalue; /**< (String: Baudrate) Serial device baudrate (Default: 115200) */
+ char *yvalue; /**< (String: Devicename) Additional support for serial device */
+ char *uvalue; /**< (String: Ringbuffer) Size of the ringbuffer in bytes (Default: 10024) */
+} DltDaemonFlags;
+
+/**
+ * The global parameters of a dlt daemon.
+ */
+typedef struct
+{
+ DltDaemonFlags flags; /**< flags of the daemon */
+ int fp; /**< handle for own fifo */
+ int sock; /**< handle for tcp connection to client */
+ int fdserial; /**< handle for serial connection */
+ int fdmax; /**< highest number of used handles */
+ fd_set master; /**< master set of handles */
+ fd_set read_fds; /**< read set of handles */
+ DltFile file; /**< struct for file access */
+ DltFilter filter; /**< struct for filter access */
+ int ohandle; /**< handle to output file */
+ DltMessage msg; /**< one dlt message */
+ DltReceiver receiver; /**< receiver for fifo connection */
+ DltReceiver receiverSock; /**< receiver for socket connection */
+ DltReceiver receiverSerial; /**< receiver for serial connection */
+ int client_connections; /**< counter for nr. of client connections */
+ size_t baudrate; /**< Baudrate of serial connection */
+ size_t ringbufferSize; /**< Size of the ringbuffer */
+} DltDaemonLocal;
+
+typedef struct
+{
+ int timer_fd;
+ unsigned long long wakeups_missed;
+} DltDaemonPeriodicData;
+
+typedef struct
+{
+ DltDaemon *daemon;
+ DltDaemonLocal *daemon_local;
+} DltDaemonTimingPacketThreadData;
+
+/* Function prototypes */
+void dlt_daemon_local_cleanup(DltDaemon *daemon, DltDaemonLocal *daemon_local, int verbose);
+int dlt_daemon_local_init_p1(DltDaemon *daemon, DltDaemonLocal *daemon_local, int verbose);
+int dlt_daemon_local_init_p2(DltDaemon *daemon, DltDaemonLocal *daemon_local, int verbose);
+int dlt_daemon_local_connection_init(DltDaemon *daemon, DltDaemonLocal *daemon_local, int verbose);
+
+void dlt_daemon_daemonize(int verbose);
+void dlt_daemon_signal_handler(int sig);
+
+int dlt_daemon_process_client_connect(DltDaemon *daemon, DltDaemonLocal *daemon_local, int verbose);
+int dlt_daemon_process_client_messages(DltDaemon *daemon, DltDaemonLocal *daemon_local, int verbose);
+int dlt_daemon_process_client_messages_serial(DltDaemon *daemon, DltDaemonLocal *daemon_local, int verbose);
+int dlt_daemon_process_user_messages(DltDaemon *daemon, DltDaemonLocal *daemon_local, int verbose);
+
+int dlt_daemon_process_user_message_overflow(DltDaemon *daemon, DltDaemonLocal *daemon_local, int verbose);
+int dlt_daemon_process_user_message_register_application(DltDaemon *daemon, DltDaemonLocal *daemon_local, int verbose);
+int dlt_daemon_process_user_message_unregister_application(DltDaemon *daemon, DltDaemonLocal *daemon_local, int verbose);
+int dlt_daemon_process_user_message_register_context(DltDaemon *daemon, DltDaemonLocal *daemon_local, int verbose);
+int dlt_daemon_process_user_message_unregister_context(DltDaemon *daemon, DltDaemonLocal *daemon_local, int verbose);
+int dlt_daemon_process_user_message_log(DltDaemon *daemon, DltDaemonLocal *daemon_local, int verbose);
+int dlt_daemon_process_user_message_set_app_ll_ts(DltDaemon *daemon, DltDaemonLocal *daemon_local, int verbose);
+int dlt_daemon_send_ringbuffer_to_client(DltDaemon *daemon, DltDaemonLocal *daemon_local, int verbose);
+
+void dlt_daemon_timingpacket_thread(void *ptr);
+int dlt_daemon_make_periodic (unsigned int period, DltDaemonPeriodicData *info, int verbose);
+void dlt_daemon_wait_period(DltDaemonPeriodicData *info, int verbose);
+
+#endif /* DLT_DAEMON_H */
+
diff --git a/src/daemon/dlt-daemon_cfg.h b/src/daemon/dlt-daemon_cfg.h new file mode 100755 index 0000000..c69c1a1 --- /dev/null +++ b/src/daemon/dlt-daemon_cfg.h @@ -0,0 +1,125 @@ +/*
+ * Dlt- Diagnostic Log and Trace daemon
+ * @licence app begin@ + * + * Copyright (C) 2011, BMW AG - Alexander Wenzel <alexander.wenzel@bmw.de> + * + * This program is free software; you can redistribute it and/or modify it under the terms of the + * GNU Lesser General Public License, version 2.1, as published by the Free Software Foundation. + * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General + * Public License, version 2.1, for more details. + * + * You should have received a copy of the GNU Lesser General Public License, version 2.1, along + * with this program; if not, see <http://www.gnu.org/licenses/lgpl-2.1.html>. + * + * Note that the copyright holders assume that the GNU Lesser General Public License, version 2.1, may + * also be applicable to programs even in cases in which the program is not a library in the technical sense. + * + * Linking DLT statically or dynamically with other modules is making a combined work based on DLT. You may + * license such other modules under the GNU Lesser General Public License, version 2.1. If you do not want to + * license your linked modules under the GNU Lesser General Public License, version 2.1, you + * may use the program under the following exception. + * + * As a special exception, the copyright holders of DLT give you permission to combine DLT + * with software programs or libraries that are released under any license unless such a combination is not + * permitted by the license of such a software program or library. You may copy and distribute such a + * system following the terms of the GNU Lesser General Public License, version 2.1, including this + * special exception, for DLT and the licenses of the other code concerned. + * + * Note that people who make modified versions of DLT are not obligated to grant this special exception + * for their modified versions; it is their choice whether to do so. The GNU Lesser General Public License, + * version 2.1, gives permission to release a modified version without this exception; this exception + * also makes it possible to release a modified version which carries forward this exception. + * + * @licence end@
+ */
+
+
+/*******************************************************************************
+** **
+** SRC-MODULE: dlt-daemon-cfg.h **
+** **
+** TARGET : linux **
+** **
+** PROJECT : DLT **
+** **
+** AUTHOR : Alexander Wenzel Alexander.AW.Wenzel@bmw.de **
+** Markus Klein **
+** **
+** PURPOSE : **
+** **
+** REMARKS : **
+** **
+** PLATFORM DEPENDANT [yes/no]: yes **
+** **
+** TO BE CHANGED BY USER [yes/no]: no **
+** **
+*******************************************************************************/
+
+/*******************************************************************************
+** Author Identity **
+********************************************************************************
+** **
+** Initials Name Company **
+** -------- ------------------------- ---------------------------------- **
+** aw Alexander Wenzel BMW **
+** mk Markus Klein Fraunhofer ESK **
+*******************************************************************************/
+
+/*******************************************************************************
+** Author Identity **
+********************************************************************************
+** **
+** Initials Name Company **
+** -------- ------------------------- ---------------------------------- **
+** aw Alexander Wenzel BMW **
+** mk Markus Klein Fraunhofer ESK **
+*******************************************************************************/
+
+#ifndef DLT_DAEMON_CFG_H
+#define DLT_DAEMON_CFG_H
+
+/*************/
+/* Changable */
+/*************/
+
+/* Stack size of timing packet thread */
+#define DLT_DAEMON_TIMINGPACKET_THREAD_STACKSIZE 100000
+
+/* Size of receive buffer for fifo connection (from user application) */
+#define DLT_DAEMON_RCVBUFSIZE 10024
+/* Size of receive buffer for socket connection (from dlt client) */
+#define DLT_DAEMON_RCVBUFSIZESOCK 10024
+/* Size of receive buffer for serial connection (from dlt client) */
+#define DLT_DAEMON_RCVBUFSIZESERIAL 10024
+
+/* Size of buffer for text output */
+#define DLT_DAEMON_TEXTSIZE 10024
+
+/* Size of buffer */
+#define DLT_DAEMON_TEXTBUFSIZE 512
+
+/* Maximum length of a description */
+#define DLT_DAEMON_DESCSIZE 256
+
+/* Name of daemon lock file, contain process id of dlt daemon instance */
+#define DLT_DAEMON_LOCK_FILE "dltd.lock"
+
+/* Umask of daemon, creates files with permission 750 */
+#define DLT_DAEMON_UMASK 027
+/* Permissions of daemon lock file */
+#define DLT_DAEMON_LOCK_FILE_PERM 0640
+
+/* Default ECU ID, used in storage header and transmitted to client*/
+#define DLT_DAEMON_ECU_ID "ECU1"
+
+/* Default baudrate for serial interface */
+#define DLT_DAEMON_SERIAL_DEFAULT_BAUDRATE 115200
+
+/************************/
+/* Don't change please! */
+/************************/
+
+#endif /* DLT_DAEMON_CFG_H */
+
diff --git a/src/daemon/dlt_daemon_common.c b/src/daemon/dlt_daemon_common.c new file mode 100755 index 0000000..4fbfd31 --- /dev/null +++ b/src/daemon/dlt_daemon_common.c @@ -0,0 +1,2196 @@ +/* + * Dlt Daemon - Diagnostic Log and Trace + * @licence app begin@ + * + * Copyright (C) 2011, BMW AG - Alexander Wenzel <alexander.wenzel@bmw.de> + * + * This program is free software; you can redistribute it and/or modify it under the terms of the + * GNU Lesser General Public License, version 2.1, as published by the Free Software Foundation. + * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General + * Public License, version 2.1, for more details. + * + * You should have received a copy of the GNU Lesser General Public License, version 2.1, along + * with this program; if not, see <http://www.gnu.org/licenses/lgpl-2.1.html>. + * + * Note that the copyright holders assume that the GNU Lesser General Public License, version 2.1, may + * also be applicable to programs even in cases in which the program is not a library in the technical sense. + * + * Linking DLT statically or dynamically with other modules is making a combined work based on DLT. You may + * license such other modules under the GNU Lesser General Public License, version 2.1. If you do not want to + * license your linked modules under the GNU Lesser General Public License, version 2.1, you + * may use the program under the following exception. + * + * As a special exception, the copyright holders of DLT give you permission to combine DLT + * with software programs or libraries that are released under any license unless such a combination is not + * permitted by the license of such a software program or library. You may copy and distribute such a + * system following the terms of the GNU Lesser General Public License, version 2.1, including this + * special exception, for DLT and the licenses of the other code concerned. + * + * Note that people who make modified versions of DLT are not obligated to grant this special exception + * for their modified versions; it is their choice whether to do so. The GNU Lesser General Public License, + * version 2.1, gives permission to release a modified version without this exception; this exception + * also makes it possible to release a modified version which carries forward this exception. + * + * @licence end@ + */ + +/******************************************************************************* +** ** +** SRC-MODULE: dlt_daemon_common.c ** +** ** +** TARGET : linux ** +** ** +** PROJECT : DLT ** +** ** +** AUTHOR : Alexander Wenzel Alexander.AW.Wenzel@bmw.de ** +** Markus Klein ** +** ** +** PURPOSE : ** +** ** +** REMARKS : ** +** ** +** PLATFORM DEPENDANT [yes/no]: yes ** +** ** +** TO BE CHANGED BY USER [yes/no]: no ** +** ** +*******************************************************************************/ + +/******************************************************************************* +** Author Identity ** +******************************************************************************** +** ** +** Initials Name Company ** +** -------- ------------------------- ---------------------------------- ** +** aw Alexander Wenzel BMW ** +** mk Markus Klein Fraunhofer ESK ** +*******************************************************************************/ + +/******************************************************************************* +** Revision Control History ** +*******************************************************************************/ + +/* + * $LastChangedRevision: 1670 $ + * $LastChangedDate: 2011-04-08 15:12:06 +0200 (Fr, 08. Apr 2011) $ + * $LastChangedBy$ + Initials Date Comment + aw 13.01.2010 initial + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <syslog.h> +#include <errno.h> +#include <unistd.h> +#include <fcntl.h> + +#include <sys/types.h> /* send() */ +#include <sys/socket.h> /* send() */ + +#include "dlt_types.h" +#include "dlt_daemon_common.h" +#include "dlt_daemon_common_cfg.h" +#include "dlt_user_shared.h" +#include "dlt_user_shared_cfg.h" + +static char str[DLT_DAEMON_TEXTBUFSIZE]; + +sem_t dlt_daemon_mutex; + +static int dlt_daemon_cmp_apid(const void *m1, const void *m2) +{ + DltDaemonApplication *mi1 = (DltDaemonApplication *) m1; + DltDaemonApplication *mi2 = (DltDaemonApplication *) m2; + + return memcmp(mi1->apid, mi2->apid, DLT_ID_SIZE); +} + +static int dlt_daemon_cmp_apid_ctid(const void *m1, const void *m2) +{ + + int ret, cmp; + DltDaemonContext *mi1 = (DltDaemonContext *) m1; + DltDaemonContext *mi2 = (DltDaemonContext *) m2; + + cmp=memcmp(mi1->apid, mi2->apid, DLT_ID_SIZE); + if (cmp<0) + { + ret=-1; + } + else if (cmp==0) + { + ret=memcmp(mi1->ctid, mi2->ctid, DLT_ID_SIZE); + } + else + { + ret=1; + } + + return ret; +} + +int dlt_daemon_init(DltDaemon *daemon,int verbose) +{ + PRINT_FUNCTION_VERBOSE(verbose); + + if (daemon==0) + { + return -1; + } + + daemon->num_contexts = 0; + daemon->contexts = 0; + + daemon->num_applications = 0; + daemon->applications = 0; + + daemon->default_log_level = DLT_DAEMON_INITIAL_LOG_LEVEL ; + daemon->default_trace_status = DLT_DAEMON_INITIAL_TRACE_STATUS ; + + daemon->message_buffer_overflow = DLT_MESSAGE_BUFFER_NO_OVERFLOW; + + daemon->runtime_context_cfg_loaded = 0; + + /* Check for runtime cfg, if it is loadable, load it! */ + if ((dlt_daemon_applications_load(daemon,DLT_RUNTIME_APPLICATION_CFG, verbose)==0) && + (dlt_daemon_contexts_load(daemon,DLT_RUNTIME_CONTEXT_CFG, verbose)==0)) + { + daemon->runtime_context_cfg_loaded = 1; + } + + daemon->sendserialheader = 0; + daemon->timingpackets = 0; + + dlt_set_id(daemon->ecuid,""); + + /* initialize ring buffer for client connection */ + if (dlt_ringbuffer_init(&(daemon->client_ringbuffer), DLT_DAEMON_RINGBUFFER_SIZE)==-1) + { + return -1; + } + + return 0; +} + +int dlt_daemon_free(DltDaemon *daemon,int verbose) +{ + PRINT_FUNCTION_VERBOSE(verbose); + + if (daemon==0) + { + return -1; + } + + /* Free contexts */ + if (dlt_daemon_contexts_clear(daemon, verbose)==-1) + { + return -1; + } + + /* Free applications */ + if (dlt_daemon_applications_clear(daemon, verbose)==-1) + { + return -1; + } + + return 0; +} + +int dlt_daemon_applications_clear(DltDaemon *daemon,int verbose) +{ + uint32_t i; + + PRINT_FUNCTION_VERBOSE(verbose); + + if (daemon==0) + { + return -1; + } + + for (i=0; i<daemon->num_applications; i++) + { + if (daemon->applications[i].application_description!=0) + { + free(daemon->applications[i].application_description); + daemon->applications[i].application_description = 0; + } + } + + if (daemon->applications) + { + free(daemon->applications); + } + + daemon->applications = 0; + daemon->num_applications = 0; + + return 0; +} + +DltDaemonApplication* dlt_daemon_application_add(DltDaemon *daemon,char *apid,pid_t pid,char *description, int verbose) +{ + DltDaemonApplication *application; + DltDaemonApplication *old; + int new_application; + int dlt_user_handle; + char filename[DLT_DAEMON_TEXTBUFSIZE]; + + if ((daemon==0) || (apid==0) || (apid[0]=='\0')) + { + return (DltDaemonApplication*) 0; + } + + if (daemon->applications == 0) + { + daemon->applications = (DltDaemonApplication*) malloc(sizeof(DltDaemonApplication)*DLT_DAEMON_APPL_ALLOC_SIZE); + if (daemon->applications==0) + { + return (DltDaemonApplication*) 0; + } + } + + new_application=0; + + /* Check if application [apid] is already available */ + application = dlt_daemon_application_find(daemon, apid, verbose); + if (application==0) + { + daemon->num_applications += 1; + + if (daemon->num_applications!=0) + { + if ((daemon->num_applications%DLT_DAEMON_APPL_ALLOC_SIZE)==0) + { + /* allocate memory in steps of DLT_DAEMON_APPL_ALLOC_SIZE, e.g. 100 */ + old = daemon->applications; + daemon->applications = (DltDaemonApplication*) malloc(sizeof(DltDaemonApplication)* + ((daemon->num_applications/DLT_DAEMON_APPL_ALLOC_SIZE)+1)*DLT_DAEMON_APPL_ALLOC_SIZE); + if (daemon->applications==0) + { + daemon->applications = old; + return (DltDaemonApplication*) 0; + } + memcpy(daemon->applications,old,sizeof(DltDaemonApplication)*daemon->num_applications); + free(old); + } + } + + application = &(daemon->applications[daemon->num_applications-1]); + + dlt_set_id(application->apid,apid); + application->application_description = 0; + application->num_contexts = 0; + + new_application = 1; + } + + /* Store application description and pid of application */ + if (application->application_description) + { + free(application->application_description); + } + + application->application_description=0; + + if (description) + { + application->application_description = malloc(strlen(description)+1); + if (application->application_description) + { + strncpy(application->application_description,description,strlen(description)+1); + application->application_description[strlen(description)]='\0'; + } + } + + application->pid = pid; + + application->user_handle = -1; + + if (pid) + { + sprintf(filename,"%s/dlt%d",DLT_USER_DIR,application->pid); + + dlt_user_handle = open(filename, O_WRONLY|O_NONBLOCK); + if (dlt_user_handle <0) + { + sprintf(str,"open() failed to %s, errno=%d (%s)!\n",filename,errno,strerror(errno)); /* errno 2: ENOENT - No such file or directory */ + dlt_log(LOG_ERR, str); + } /* if */ + + application->user_handle = dlt_user_handle; + } + + /* Sort */ + if (new_application) + { + qsort(daemon->applications,daemon->num_applications,sizeof(DltDaemonApplication),dlt_daemon_cmp_apid); + + /* Find new position of application with apid*/ + application = dlt_daemon_application_find(daemon, apid, verbose); + } + + return application; +} + +int dlt_daemon_application_del(DltDaemon *daemon, DltDaemonApplication *application, int verbose) +{ + int pos; + + PRINT_FUNCTION_VERBOSE(verbose); + + if ((daemon==0) || (application==0)) + { + return -1; + } + + if (daemon->num_applications>0) + { + /* Check if user handle is open; if yes, close it */ + if (application->user_handle!=-1) + { + close(application->user_handle); + application->user_handle=-1; + } + + /* Free description of application to be deleted */ + if (application->application_description) + { + free(application->application_description); + application->application_description = 0; + } + + pos = application-(daemon->applications); + + /* move all applications above pos to pos */ + memmove(&(daemon->applications[pos]),&(daemon->applications[pos+1]), sizeof(DltDaemonApplication)*((daemon->num_applications-1)-pos)); + + /* Clear last application */ + memset(&(daemon->applications[daemon->num_applications-1]),0,sizeof(DltDaemonApplication)); + + daemon->num_applications--; + + } + + return 0; +} + +DltDaemonApplication* dlt_daemon_application_find(DltDaemon *daemon,char *apid,int verbose) +{ + DltDaemonApplication application; + + PRINT_FUNCTION_VERBOSE(verbose); + + if ((daemon==0) || (apid==0) || (apid[0]=='\0') || (daemon->num_applications==0)) + { + return (DltDaemonApplication*) 0; + } + + /* Check, if apid is smaller than smallest apid or greater than greatest apid */ + if ((memcmp(apid,daemon->applications[0].apid,DLT_ID_SIZE)<0) || + (memcmp(apid,daemon->applications[daemon->num_applications-1].apid,DLT_ID_SIZE)>0)) + { + return (DltDaemonApplication*) 0; + } + + dlt_set_id(application.apid,apid); + return (DltDaemonApplication*)bsearch(&application,daemon->applications,daemon->num_applications,sizeof(DltDaemonApplication),dlt_daemon_cmp_apid); +} + +int dlt_daemon_applications_load(DltDaemon *daemon,const char *filename, int verbose) +{ + FILE *fd; + ID4 apid; + char buf[DLT_DAEMON_TEXTBUFSIZE]; + char *ret; + char *pb; + + PRINT_FUNCTION_VERBOSE(verbose); + + if ((daemon==0) || (filename==0) || (filename[0]=='\0')) + { + return -1; + } + + fd=fopen(filename, "r"); + + if (fd==0) + { + return -1; + } + + while (!feof(fd)) + { + /* Clear buf */ + memset(buf, 0, sizeof(buf)); + + /* Get line */ + ret=fgets(buf,sizeof(buf),fd); + + if (strcmp(buf,"")!=0) + { + /* Split line */ + pb=strtok(buf,":"); + dlt_set_id(apid,pb); + pb=strtok(NULL,":"); + /* pb contains now the description */ + + /* pid is unknown at loading time */ + if (dlt_daemon_application_add(daemon,apid,0,pb,verbose)==0) + { + fclose(fd); + return -1; + } + } + } + fclose(fd); + + return 0; +} + +int dlt_daemon_applications_save(DltDaemon *daemon,const char *filename, int verbose) +{ + FILE *fd; + uint32_t i; + + char apid[DLT_ID_SIZE+1]; /* DLT_ID_SIZE+1, because the 0-termination is required here */ + + PRINT_FUNCTION_VERBOSE(verbose); + + if ((daemon==0) || (filename==0) || (filename[0]=='\0')) + { + return -1; + } + + memset(apid,0, sizeof(apid)); + + if ((daemon->applications) && (daemon->num_applications>0)) + { + fd=fopen(filename, "w"); + if (fd!=0) + { + for (i=0; i<daemon->num_applications; i++) + { + dlt_set_id(apid,daemon->applications[i].apid); + + if ((daemon->applications[i].application_description) && + (daemon->applications[i].application_description!='\0')) + { + fprintf(fd,"%s:%s:\n",apid, daemon->applications[i].application_description); + } + else + { + fprintf(fd,"%s::\n",apid); + } + } + fclose(fd); + } + } + + return 0; +} + +DltDaemonContext* dlt_daemon_context_add(DltDaemon *daemon,char *apid,char *ctid,int8_t log_level,int8_t trace_status,int log_level_pos, int user_handle,char *description,int verbose) +{ + DltDaemonApplication *application; + DltDaemonContext *context; + DltDaemonContext *old; + int new_context=0; + + PRINT_FUNCTION_VERBOSE(verbose); + + if ((daemon==0) || (apid==0) || (apid[0]=='\0') || (ctid==0) || (ctid[0]=='\0')) + { + return (DltDaemonContext*) 0; + } + + if ((log_level<DLT_LOG_DEFAULT) || (log_level>DLT_LOG_VERBOSE)) + { + return (DltDaemonContext*) 0; + } + + if ((trace_status<DLT_TRACE_STATUS_DEFAULT) || (trace_status>DLT_TRACE_STATUS_ON)) + { + return (DltDaemonContext*) 0; + } + + if (daemon->contexts == 0) + { + daemon->contexts = (DltDaemonContext*) malloc(sizeof(DltDaemonContext)*DLT_DAEMON_CONTEXT_ALLOC_SIZE); + if (daemon->contexts==0) + { + return (DltDaemonContext*) 0; + } + } + + /* Check if application [apid] is available */ + application = dlt_daemon_application_find(daemon, apid, verbose); + if (application==0) + { + return (DltDaemonContext*) 0; + } + + /* Check if context [apid, ctid] is already available */ + context = dlt_daemon_context_find(daemon, apid, ctid, verbose); + if (context==0) + { + daemon->num_contexts += 1; + + if (daemon->num_contexts!=0) + { + if ((daemon->num_contexts%DLT_DAEMON_CONTEXT_ALLOC_SIZE)==0) + { + /* allocate memory for context in steps of DLT_DAEMON_CONTEXT_ALLOC_SIZE, e.g 100 */ + old = daemon->contexts; + daemon->contexts = (DltDaemonContext*) malloc(sizeof(DltDaemonContext)* + ((daemon->num_contexts/DLT_DAEMON_CONTEXT_ALLOC_SIZE)+1)*DLT_DAEMON_CONTEXT_ALLOC_SIZE); + if (daemon->contexts==0) + { + daemon->contexts = old; + return (DltDaemonContext*) 0; + } + memcpy(daemon->contexts,old,sizeof(DltDaemonContext)*daemon->num_contexts); + free(old); + } + } + + context = &(daemon->contexts[daemon->num_contexts-1]); + + dlt_set_id(context->apid,apid); + dlt_set_id(context->ctid,ctid); + context->context_description = 0; + + application->num_contexts++; + new_context =1; + } + + /* Set context description */ + if (context->context_description) + { + free(context->context_description); + } + + context->context_description=0; + + if (description) + { + context->context_description = malloc(strlen(description)+1); + + if (context->context_description) + { + strncpy(context->context_description,description,strlen(description)+1); + context->context_description[strlen(description)]='\0'; + } + } + + /* Store log level and trace status, + if this is a new context, or + if this is an old context and the runtime cfg was not loaded */ + + if ((new_context==1) || + ((new_context==0) && (daemon->runtime_context_cfg_loaded==0))) + { + context->log_level = log_level; + context->trace_status = trace_status; + } + + context->log_level_pos = log_level_pos; + context->user_handle = user_handle; + + /* Sort */ + if (new_context) + { + qsort(daemon->contexts,daemon->num_contexts, sizeof(DltDaemonContext),dlt_daemon_cmp_apid_ctid); + + /* Find new position of context with apid, ctid */ + context = dlt_daemon_context_find(daemon, apid, ctid, verbose); + } + + return context; +} + +int dlt_daemon_context_del(DltDaemon *daemon, DltDaemonContext* context, int verbose) +{ + int pos; + DltDaemonApplication *application; + + PRINT_FUNCTION_VERBOSE(verbose); + + if ((daemon==0) || (context==0)) + { + return -1; + } + + if (daemon->num_contexts>0) + { + application = dlt_daemon_application_find(daemon, context->apid, verbose); + + /* Free description of context to be deleted */ + if (context->context_description) + { + free(context->context_description); + context->context_description = 0; + } + + pos = context-(daemon->contexts); + + /* move all contexts above pos to pos */ + memmove(&(daemon->contexts[pos]),&(daemon->contexts[pos+1]), sizeof(DltDaemonContext)*((daemon->num_contexts-1)-pos)); + + /* Clear last context */ + memset(&(daemon->contexts[daemon->num_contexts-1]),0,sizeof(DltDaemonContext)); + + daemon->num_contexts--; + + /* Check if application [apid] is available */ + if (application) + { + application->num_contexts--; + } + } + + return 0; +} + +DltDaemonContext* dlt_daemon_context_find(DltDaemon *daemon,char *apid,char *ctid,int verbose) +{ + DltDaemonContext context; + + PRINT_FUNCTION_VERBOSE(verbose); + + if ((daemon==0) || (apid==0) || (apid[0]=='\0') || (ctid==0) || (ctid[0]=='\0') || (daemon->num_contexts==0)) + { + return (DltDaemonContext*) 0; + } + + /* Check, if apid is smaller than smallest apid or greater than greatest apid */ + if ((memcmp(apid,daemon->contexts[0].apid,DLT_ID_SIZE)<0) || + (memcmp(apid,daemon->contexts[daemon->num_contexts-1].apid,DLT_ID_SIZE)>0)) + { + return (DltDaemonContext*) 0; + } + + dlt_set_id(context.apid,apid); + dlt_set_id(context.ctid,ctid); + + return (DltDaemonContext*)bsearch(&context,daemon->contexts,daemon->num_contexts,sizeof(DltDaemonContext),dlt_daemon_cmp_apid_ctid); +} + +int dlt_daemon_contexts_clear(DltDaemon *daemon,int verbose) +{ + int i; + + PRINT_FUNCTION_VERBOSE(verbose); + + if (daemon==0) + { + return -1; + } + + for (i=0; i<daemon->num_contexts; i++) + { + if (daemon->contexts[i].context_description!=0) + { + free(daemon->contexts[i].context_description); + daemon->contexts[i].context_description = 0; + } + } + + if (daemon->contexts) + { + free(daemon->contexts); + } + + daemon->contexts = 0; + + for (i=0; i<daemon->num_applications; i++) + { + daemon->applications[i].num_contexts = 0; + } + + daemon->num_contexts = 0; + + return 0; +} + +int dlt_daemon_contexts_load(DltDaemon *daemon,const char *filename, int verbose) +{ + FILE *fd; + ID4 apid, ctid; + char buf[DLT_DAEMON_TEXTBUFSIZE]; + char *ret; + char *pb; + int ll, ts; + + PRINT_FUNCTION_VERBOSE(verbose); + + if ((daemon==0) || (filename==0) ||( filename[0]=='\0')) + { + return -1; + } + + fd=fopen(filename, "r"); + + if (fd==0) + { + return -1; + } + + while (!feof(fd)) + { + /* Clear buf */ + memset(buf, 0, sizeof(buf)); + + /* Get line */ + ret=fgets(buf,sizeof(buf),fd); + + if (strcmp(buf,"")!=0) + { + /* Split line */ + pb=strtok(buf,":"); + dlt_set_id(apid,pb); + pb=strtok(NULL,":"); + dlt_set_id(ctid,pb); + pb=strtok(NULL,":"); + sscanf(pb,"%d",&ll); + pb=strtok(NULL,":"); + sscanf(pb,"%d",&ts); + pb=strtok(NULL,":"); + /* pb contains now the description */ + + /* log_level_pos, and user_handle are unknown at loading time */ + if (dlt_daemon_context_add(daemon,apid,ctid,(int8_t)ll,(int8_t)ts,0,0,pb,verbose)==0) + { + fclose(fd); + return -1; + } + } + } + fclose(fd); + + return 0; +} + +int dlt_daemon_contexts_save(DltDaemon *daemon,const char *filename, int verbose) +{ + FILE *fd; + uint32_t i; + + char apid[DLT_ID_SIZE+1], ctid[DLT_ID_SIZE+1]; /* DLT_ID_SIZE+1, because the 0-termination is required here */ + + PRINT_FUNCTION_VERBOSE(verbose); + + if ((daemon==0) || (filename==0) ||( filename[0]=='\0')) + { + return -1; + } + + memset(apid,0, sizeof(apid)); + memset(ctid,0, sizeof(ctid)); + + if ((daemon->contexts) && (daemon->num_contexts>0)) + { + fd=fopen(filename, "w"); + if (fd!=0) + { + for (i=0; i<daemon->num_contexts; i++) + { + dlt_set_id(apid,daemon->contexts[i].apid); + dlt_set_id(ctid,daemon->contexts[i].ctid); + + if ((daemon->contexts[i].context_description) && + (daemon->contexts[i].context_description[0]!='\0')) + { + fprintf(fd,"%s:%s:%d:%d:%s:\n",apid,ctid, + (int)(daemon->contexts[i].log_level), + (int)(daemon->contexts[i].trace_status), + daemon->contexts[i].context_description); + } + else + { + fprintf(fd,"%s:%s:%d:%d::\n",apid,ctid, + (int)(daemon->contexts[i].log_level), + (int)(daemon->contexts[i].trace_status)); + } + } + fclose(fd); + } + } + + return 0; +} + +int dlt_daemon_user_send_log_level(DltDaemon *daemon,DltDaemonContext *context,int verbose) +{ + DltUserHeader userheader; + DltUserControlMsgLogLevel usercontext; + DltReturnValue ret; + + PRINT_FUNCTION_VERBOSE(verbose); + + if ((daemon==0) || (context==0)) + { + return -1; + } + + if (dlt_user_set_userheader(&userheader, DLT_USER_MESSAGE_LOG_LEVEL)==-1) + { + return -1; + } + + usercontext.log_level = ((context->log_level == DLT_LOG_DEFAULT)?daemon->default_log_level:context->log_level); + usercontext.trace_status = ((context->trace_status == DLT_TRACE_STATUS_DEFAULT)?daemon->default_trace_status:context->trace_status); + + usercontext.log_level_pos = context->log_level_pos; + + /* log to FIFO */ + ret = dlt_user_log_out2(context->user_handle, &(userheader), sizeof(DltUserHeader), &(usercontext), sizeof(DltUserControlMsgLogLevel)); + + if (ret!=DLT_RETURN_OK) + { + if (errno==EPIPE) + { + /* Close connection */ + close(context->user_handle); + context->user_handle=0; + } + } + + return ((ret==DLT_RETURN_OK)?0:-1); +} + +int dlt_daemon_control_process_control(int sock, DltDaemon *daemon, DltMessage *msg, int verbose) +{ + uint32_t id,id_tmp=0; + + PRINT_FUNCTION_VERBOSE(verbose); + + if ((daemon==0) || (msg==0)) + { + return -1; + } + + if (msg->datasize<sizeof(uint32_t)) + { + return -1; + } + + id_tmp = *((uint32_t*)(msg->databuffer)); + id=DLT_ENDIAN_GET_32(msg->standardheader->htyp ,id_tmp); + + if ((id > 0) && (id <= DLT_SERVICE_ID_MESSAGE_BUFFER_OVERFLOW)) + { + /* Control message handling */ + switch (id) + { + case DLT_SERVICE_ID_SET_LOG_LEVEL: + { + dlt_daemon_control_set_log_level(sock, daemon, msg, verbose); + break; + } + case DLT_SERVICE_ID_SET_TRACE_STATUS: + { + dlt_daemon_control_set_trace_status(sock, daemon, msg, verbose); + break; + } + case DLT_SERVICE_ID_GET_LOG_INFO: + { + dlt_daemon_control_get_log_info(sock, daemon, msg, verbose); + break; + } + case DLT_SERVICE_ID_GET_DEFAULT_LOG_LEVEL: + { + dlt_daemon_control_get_default_log_level(sock, daemon, verbose); + break; + } + case DLT_SERVICE_ID_STORE_CONFIG: + { + if (dlt_daemon_applications_save(daemon, DLT_RUNTIME_APPLICATION_CFG, verbose)==0) + { + if (dlt_daemon_contexts_save(daemon, DLT_RUNTIME_CONTEXT_CFG, verbose)==0) + { + dlt_daemon_control_service_response(sock, daemon, id, DLT_SERVICE_RESPONSE_OK, verbose); + } + else + { + /* Delete saved files */ + dlt_daemon_control_reset_to_factory_default(daemon, DLT_RUNTIME_APPLICATION_CFG, DLT_RUNTIME_CONTEXT_CFG, verbose); + dlt_daemon_control_service_response(sock, daemon, id, DLT_SERVICE_RESPONSE_ERROR, verbose); + } + } + else + { + dlt_daemon_control_service_response(sock, daemon, id, DLT_SERVICE_RESPONSE_ERROR, verbose); + } + break; + } + case DLT_SERVICE_ID_RESET_TO_FACTORY_DEFAULT: + { + dlt_daemon_control_reset_to_factory_default(daemon, DLT_RUNTIME_APPLICATION_CFG, DLT_RUNTIME_CONTEXT_CFG, verbose); + dlt_daemon_control_service_response(sock, daemon, id, DLT_SERVICE_RESPONSE_OK, verbose); + break; + } + case DLT_SERVICE_ID_SET_COM_INTERFACE_STATUS: + { + dlt_daemon_control_service_response(sock, daemon, id, DLT_SERVICE_RESPONSE_NOT_SUPPORTED, verbose); + break; + } + case DLT_SERVICE_ID_SET_COM_INTERFACE_MAX_BANDWIDTH: + { + dlt_daemon_control_service_response(sock, daemon, id, DLT_SERVICE_RESPONSE_NOT_SUPPORTED, verbose); + break; + } + case DLT_SERVICE_ID_SET_VERBOSE_MODE: + { + dlt_daemon_control_service_response(sock, daemon, id, DLT_SERVICE_RESPONSE_NOT_SUPPORTED, verbose); + break; + } + case DLT_SERVICE_ID_SET_MESSAGE_FILTERING: + { + dlt_daemon_control_service_response(sock, daemon, id, DLT_SERVICE_RESPONSE_NOT_SUPPORTED, verbose); + break; + } + case DLT_SERVICE_ID_SET_TIMING_PACKETS: + { + dlt_daemon_control_set_timing_packets(sock, daemon, msg, verbose); + break; + } + case DLT_SERVICE_ID_GET_LOCAL_TIME: + { + /* Send response with valid timestamp (TMSP) field */ + dlt_daemon_control_service_response(sock, daemon, id, DLT_SERVICE_RESPONSE_OK, verbose); + break; + } + case DLT_SERVICE_ID_USE_ECU_ID: + { + dlt_daemon_control_service_response(sock, daemon, id, DLT_SERVICE_RESPONSE_NOT_SUPPORTED, verbose); + break; + } + case DLT_SERVICE_ID_USE_SESSION_ID: + { + dlt_daemon_control_service_response(sock, daemon, id, DLT_SERVICE_RESPONSE_NOT_SUPPORTED, verbose); + break; + } + case DLT_SERVICE_ID_USE_TIMESTAMP: + { + dlt_daemon_control_service_response(sock, daemon, id, DLT_SERVICE_RESPONSE_NOT_SUPPORTED, verbose); + break; + } + case DLT_SERVICE_ID_USE_EXTENDED_HEADER: + { + dlt_daemon_control_service_response(sock, daemon, id, DLT_SERVICE_RESPONSE_NOT_SUPPORTED, verbose); + break; + } + case DLT_SERVICE_ID_SET_DEFAULT_LOG_LEVEL: + { + dlt_daemon_control_set_default_log_level(sock, daemon, msg, verbose); + break; + } + case DLT_SERVICE_ID_SET_DEFAULT_TRACE_STATUS: + { + dlt_daemon_control_set_default_trace_status(sock, daemon, msg, verbose); + break; + } + case DLT_SERVICE_ID_GET_SOFTWARE_VERSION: + { + dlt_daemon_control_get_software_version(sock, daemon, verbose); + break; + } + case DLT_SERVICE_ID_MESSAGE_BUFFER_OVERFLOW: + { + dlt_daemon_control_message_buffer_overflow(sock, daemon, verbose); + break; + } + default: + { + dlt_daemon_control_service_response(sock, daemon, id, DLT_SERVICE_RESPONSE_NOT_SUPPORTED, verbose); + break; + } + } + } + else + { + /* Injection handling */ + dlt_daemon_control_callsw_cinjection(sock, daemon, msg, verbose); + } + + return 0; +} + +void dlt_daemon_control_callsw_cinjection(int sock, DltDaemon *daemon, DltMessage *msg, int verbose) +{ + char apid[DLT_ID_SIZE],ctid[DLT_ID_SIZE]; + uint32_t id=0,id_tmp=0; + uint8_t *ptr; + DltDaemonContext *context; + uint32_t data_length_inject=0,data_length_inject_tmp=0; + + int32_t datalength; + + DltUserHeader userheader; + DltUserControlMsgInjection usercontext; + uint8_t *userbuffer; + + PRINT_FUNCTION_VERBOSE(verbose); + + if ((daemon==0) || (msg==0)) + { + return; + } + + datalength = msg->datasize; + ptr = msg->databuffer; + + if (ptr==0) + { + return; + } + + DLT_MSG_READ_VALUE(id_tmp,ptr,datalength,uint32_t); /* Get service id */ + id=DLT_ENDIAN_GET_32(msg->standardheader->htyp, id_tmp); + + if ((id>=DLT_DAEMON_INJECTION_MIN) && (id<=DLT_DAEMON_INJECTION_MAX)) + { + /* This a a real SW-C injection call */ + data_length_inject=0; + data_length_inject_tmp=0; + + DLT_MSG_READ_VALUE(data_length_inject_tmp,ptr,datalength,uint32_t); /* Get data length */ + data_length_inject=DLT_ENDIAN_GET_32(msg->standardheader->htyp, data_length_inject_tmp); + + /* Get context handle for apid, ctid (and seid) */ + /* Warning: seid is ignored in this implementation! */ + if (DLT_IS_HTYP_UEH(msg->standardheader->htyp)) + { + dlt_set_id(apid, msg->extendedheader->apid); + dlt_set_id(ctid, msg->extendedheader->ctid); + } + else + { + /* No extended header, and therefore no apid and ctid available */ + dlt_daemon_control_service_response(sock, daemon, id, DLT_SERVICE_RESPONSE_ERROR, verbose); + return; + } + + /* At this point, apid and ctid is available */ + context=dlt_daemon_context_find(daemon, apid, ctid, verbose); + + if (context==0) + { + // dlt_log(LOG_INFO,"No context found!\n"); + dlt_daemon_control_service_response(sock, daemon, id, DLT_SERVICE_RESPONSE_ERROR, verbose); + return; + } + + /* Send user message to handle, specified in context */ + if (dlt_user_set_userheader(&userheader, DLT_USER_MESSAGE_INJECTION)==-1) + { + dlt_daemon_control_service_response(sock, daemon, id, DLT_SERVICE_RESPONSE_ERROR, verbose); + return; + } + + usercontext.log_level_pos = context->log_level_pos; + + userbuffer = malloc(data_length_inject); + + if (userbuffer==0) + { + dlt_daemon_control_service_response(sock, daemon, id, DLT_SERVICE_RESPONSE_ERROR, verbose); + return; + } + + usercontext.data_length_inject = data_length_inject; + usercontext.service_id = id; + + memcpy(userbuffer,ptr,data_length_inject); /* Copy received injection to send buffer */ + + /* write to FIFO */ + if (dlt_user_log_out3(context->user_handle, &(userheader), sizeof(DltUserHeader), + &(usercontext), sizeof(DltUserControlMsgInjection), + userbuffer, data_length_inject)!=DLT_RETURN_OK) + { + if (errno==EPIPE) + { + /* Close connection */ + close(context->user_handle); + context->user_handle=0; + } + dlt_daemon_control_service_response(sock, daemon, id, DLT_SERVICE_RESPONSE_ERROR, verbose); + } + else + { + dlt_daemon_control_service_response(sock, daemon, id, DLT_SERVICE_RESPONSE_OK, verbose); + } + + free(userbuffer); + userbuffer=0; + + } + else + { + /* Invalid ID */ + dlt_daemon_control_service_response(sock, daemon, id, DLT_SERVICE_RESPONSE_NOT_SUPPORTED, verbose); + } +} + +void dlt_daemon_control_set_log_level(int sock, DltDaemon *daemon, DltMessage *msg, int verbose) +{ + PRINT_FUNCTION_VERBOSE(verbose); + + char apid[DLT_ID_SIZE],ctid[DLT_ID_SIZE]; + DltServiceSetLogLevel *req; + DltDaemonContext *context; + int32_t id=DLT_SERVICE_ID_SET_LOG_LEVEL; + + int8_t old_log_level; + + if ((daemon==0) || (msg==0)) + { + return; + } + + req = (DltServiceSetLogLevel*) (msg->databuffer); + + dlt_set_id(apid, req->apid); + dlt_set_id(ctid, req->ctid); + + context=dlt_daemon_context_find(daemon, apid, ctid, verbose); + + /* Set log level */ + if (context!=0) + { + old_log_level = context->log_level; + context->log_level = req->log_level; /* No endianess conversion necessary*/ + + if ((context->user_handle!=0) && + (dlt_daemon_user_send_log_level(daemon, context, verbose)==0)) + { + dlt_daemon_control_service_response(sock, daemon, id, DLT_SERVICE_RESPONSE_OK, verbose); + } + else + { + //dlt_log(LOG_ERR, "Log level could not be sent!\n"); + context->log_level = old_log_level; + dlt_daemon_control_service_response(sock, daemon, id, DLT_SERVICE_RESPONSE_ERROR, verbose); + } + } + else + { + //dlt_log(LOG_ERR, "Context not found!\n"); + dlt_daemon_control_service_response(sock, daemon, id, DLT_SERVICE_RESPONSE_ERROR, verbose); + } +} + +void dlt_daemon_control_set_trace_status(int sock, DltDaemon *daemon, DltMessage *msg, int verbose) +{ + PRINT_FUNCTION_VERBOSE(verbose); + + char apid[DLT_ID_SIZE],ctid[DLT_ID_SIZE]; + DltServiceSetLogLevel *req; /* request uses same struct as set log level */ + DltDaemonContext *context; + int32_t id=DLT_SERVICE_ID_SET_TRACE_STATUS; + + int8_t old_trace_status; + + if ((daemon==0) || (msg==0)) + { + return; + } + + req = (DltServiceSetLogLevel*) (msg->databuffer); + + dlt_set_id(apid, req->apid); + dlt_set_id(ctid, req->ctid); + + context=dlt_daemon_context_find(daemon, apid, ctid, verbose); + + /* Set log level */ + if (context!=0) + { + old_trace_status = context->trace_status; + context->trace_status = req->log_level; /* No endianess conversion necessary */ + + if ((context->user_handle!=0) && + (dlt_daemon_user_send_log_level(daemon, context, verbose)==0)) + { + dlt_daemon_control_service_response(sock, daemon, id, DLT_SERVICE_RESPONSE_OK, verbose); + } + else + { + //dlt_log(LOG_ERR, "Trace Status could not be sent!\n"); + context->trace_status = old_trace_status; + dlt_daemon_control_service_response(sock, daemon, id, DLT_SERVICE_RESPONSE_ERROR, verbose); + } + } + else + { + //dlt_log(LOG_ERR, "Context not found!\n"); + dlt_daemon_control_service_response(sock, daemon, id, DLT_SERVICE_RESPONSE_ERROR, verbose); + } +} + +void dlt_daemon_control_set_default_log_level(int sock, DltDaemon *daemon, DltMessage *msg, int verbose) +{ + PRINT_FUNCTION_VERBOSE(verbose); + + DltServiceSetDefaultLogLevel *req; + int32_t id=DLT_SERVICE_ID_SET_DEFAULT_LOG_LEVEL; + + if ((daemon==0) || (msg==0)) + { + return; + } + + req = (DltServiceSetDefaultLogLevel*) (msg->databuffer); + + /* No endianess conversion necessary */ + if ((req->log_level>=0) && + (req->log_level<=DLT_LOG_VERBOSE)) + { + daemon->default_log_level = req->log_level; /* No endianess conversion necessary */ + + /* Send Update to all contexts using the default log level */ + dlt_daemon_user_send_default_update(daemon, verbose); + + dlt_daemon_control_service_response(sock, daemon, id, DLT_SERVICE_RESPONSE_OK, verbose); + } + else + { + dlt_daemon_control_service_response(sock, daemon, id, DLT_SERVICE_RESPONSE_ERROR, verbose); + } +} + +void dlt_daemon_control_set_default_trace_status(int sock, DltDaemon *daemon, DltMessage *msg, int verbose) +{ + PRINT_FUNCTION_VERBOSE(verbose); + + /* Payload of request message */ + DltServiceSetDefaultLogLevel *req; + int32_t id=DLT_SERVICE_ID_SET_DEFAULT_TRACE_STATUS; + + if ((daemon==0) || (msg==0)) + { + return; + } + + req = (DltServiceSetDefaultLogLevel*) (msg->databuffer); + + /* No endianess conversion necessary */ + if ((req->log_level==DLT_TRACE_STATUS_OFF) || + (req->log_level==DLT_TRACE_STATUS_ON)) + { + daemon->default_trace_status = req->log_level; /* No endianess conversion necessary*/ + + /* Send Update to all contexts using the default trace status */ + dlt_daemon_user_send_default_update(daemon, verbose); + + dlt_daemon_control_service_response(sock, daemon, id, DLT_SERVICE_RESPONSE_OK, verbose); + } + else + { + dlt_daemon_control_service_response(sock, daemon, id, DLT_SERVICE_RESPONSE_ERROR, verbose); + } +} + +void dlt_daemon_control_set_timing_packets(int sock, DltDaemon *daemon, DltMessage *msg, int verbose) +{ + PRINT_FUNCTION_VERBOSE(verbose); + + DltServiceSetVerboseMode *req; /* request uses same struct as set verbose mode */ + int32_t id=DLT_SERVICE_ID_SET_TIMING_PACKETS; + + if ((daemon==0) || (msg==0)) + { + return; + } + + req = (DltServiceSetVerboseMode*) (msg->databuffer); + if ((req->new_status==0) || (req->new_status==1)) + { + daemon->timingpackets = req->new_status; + + dlt_daemon_control_service_response(sock, daemon, id, DLT_SERVICE_RESPONSE_OK, verbose); + } + else + { + dlt_daemon_control_service_response(sock, daemon, id, DLT_SERVICE_RESPONSE_ERROR, verbose); + } +} + +void dlt_daemon_control_get_software_version(int sock, DltDaemon *daemon, int verbose) +{ + char version[DLT_DAEMON_TEXTBUFSIZE]; + DltMessage msg; + uint32_t len; + DltServiceGetSoftwareVersionResponse *resp; + + PRINT_FUNCTION_VERBOSE(verbose); + + if (daemon==0) + { + return; + } + + /* initialise new message */ + if (dlt_message_init(&msg,0)==-1) + { + dlt_daemon_control_service_response(sock, daemon, DLT_SERVICE_ID_GET_SOFTWARE_VERSION, DLT_SERVICE_RESPONSE_ERROR, verbose); + return; + } + + /* prepare payload of data */ + dlt_get_version(version); + len = strlen(version); + + msg.datasize = sizeof(DltServiceGetSoftwareVersionResponse) + len; + if (msg.databuffer) + { + free(msg.databuffer); + } + msg.databuffer = (uint8_t *) malloc(msg.datasize); + if (msg.databuffer==0) + { + dlt_daemon_control_service_response(sock, daemon, DLT_SERVICE_ID_GET_SOFTWARE_VERSION, DLT_SERVICE_RESPONSE_ERROR, verbose); + return; + } + + resp = (DltServiceGetSoftwareVersionResponse*) msg.databuffer; + resp->service_id = DLT_SERVICE_ID_GET_SOFTWARE_VERSION; + resp->status = DLT_SERVICE_RESPONSE_OK; + resp->length = len; + memcpy(msg.databuffer+sizeof(DltServiceGetSoftwareVersionResponse),version,len); + + /* send message */ + dlt_daemon_control_send_control_message(sock, daemon, &msg,"","", verbose); + + /* free message */ + dlt_message_free(&msg,0); +} + +void dlt_daemon_control_get_default_log_level(int sock, DltDaemon *daemon, int verbose) +{ + DltMessage msg; + DltServiceGetDefaultLogLevelResponse *resp; + + PRINT_FUNCTION_VERBOSE(verbose); + + if (daemon==0) + { + return; + } + + /* initialise new message */ + if (dlt_message_init(&msg,0)==-1) + { + dlt_daemon_control_service_response(sock, daemon, DLT_SERVICE_ID_GET_DEFAULT_LOG_LEVEL, DLT_SERVICE_RESPONSE_ERROR, verbose); + return; + } + + msg.datasize = sizeof(DltServiceGetDefaultLogLevelResponse); + if (msg.databuffer) + { + free(msg.databuffer); + } + msg.databuffer = (uint8_t *) malloc(msg.datasize); + if (msg.databuffer==0) + { + dlt_daemon_control_service_response(sock, daemon, DLT_SERVICE_ID_GET_DEFAULT_LOG_LEVEL, DLT_SERVICE_RESPONSE_ERROR, verbose); + return; + } + + resp = (DltServiceGetDefaultLogLevelResponse*) msg.databuffer; + resp->service_id = DLT_SERVICE_ID_GET_DEFAULT_LOG_LEVEL; + resp->status = DLT_SERVICE_RESPONSE_OK; + resp->log_level = daemon->default_log_level; + + /* send message */ + dlt_daemon_control_send_control_message(sock,daemon,&msg,"","", verbose); + + /* free message */ + dlt_message_free(&msg,0); +} + +void dlt_daemon_control_get_log_info(int sock, DltDaemon *daemon, DltMessage *msg, int verbose) +{ + DltServiceGetLogInfoRequest *req; + DltMessage resp; + DltDaemonContext *context=0; + DltDaemonApplication *application=0; + + int num_applications=0, num_contexts=0; + uint16_t count_app_ids=0, count_con_ids=0; + +#if (DLT_DEBUG_GETLOGINFO==1) + char buf[255]; +#endif + + int32_t i,j,offset=0; + char *apid=0; + int8_t ll,ts; + uint16_t len; + int8_t value; + int32_t sizecont=0; + int offset_base; + + uint32_t sid; + + PRINT_FUNCTION_VERBOSE(verbose); + + if ((daemon==0) || (msg==0)) + { + return; + } + + /* prepare pointer to message request */ + req = (DltServiceGetLogInfoRequest*) (msg->databuffer); + + /* initialise new message */ + if (dlt_message_init(&resp,0)==-1) + { + dlt_daemon_control_service_response(sock, daemon, DLT_SERVICE_ID_GET_LOG_INFO, DLT_SERVICE_RESPONSE_ERROR, verbose); + return; + } + + /* check request */ + if ((req->options < 3 ) || (req->options>7)) + { + dlt_daemon_control_service_response(sock, daemon, DLT_SERVICE_ID_GET_LOG_INFO, DLT_SERVICE_RESPONSE_ERROR, verbose); + return; + } + + if (req->apid[0]!='\0') + { + application = dlt_daemon_application_find(daemon, req->apid, verbose); + if (application) + { + num_applications = 1; + if (req->ctid[0]!='\0') + { + context = dlt_daemon_context_find(daemon, req->apid, req->ctid, verbose); + + num_contexts = ((context)?1:0); + } + else + { + num_contexts = application->num_contexts; + } + } + else + { + num_applications = 0; + num_contexts = 0; + } + } + else + { + /* Request all applications and contexts */ + num_applications = daemon->num_applications; + num_contexts = daemon->num_contexts; + } + + /* prepare payload of data */ + + /* Calculate maximum size for a response */ + resp.datasize = sizeof(uint32_t) /* SID */ + sizeof(int8_t) /* status*/ + sizeof(ID4) /* DLT_DAEMON_REMO_STRING */; + + sizecont = sizeof(uint32_t) /* context_id */; + + /* Add additional size for response of Mode 4, 6, 7 */ + if ((req->options==4) || (req->options==6) || (req->options==7)) + { + sizecont += sizeof(int8_t); /* log level */ + } + + /* Add additional size for response of Mode 5, 6, 7 */ + if ((req->options==5) || (req->options==6) || (req->options==7)) + { + sizecont+= sizeof(int8_t); /* trace status */ + } + + resp.datasize+= (num_applications * (sizeof(uint32_t) /* app_id */ + sizeof(uint16_t) /* count_con_ids */)) + + (num_contexts * sizecont); + + resp.datasize+= sizeof(uint16_t) /* count_app_ids */; + + /* Add additional size for response of Mode 7 */ + if (req->options==7) + { + if (req->apid[0]!='\0') + { + if (req->ctid[0]!='\0') + { + /* One application, one context */ + // context = dlt_daemon_context_find(daemon, req->apid, req->ctid, verbose); + if (context) + { + resp.datasize+=sizeof(uint16_t) /* len_context_description */; + if (context->context_description!=0) + { + resp.datasize+=strlen(context->context_description); /* context_description */ + } + } + } + else + { + /* One application, all contexts */ + if ((daemon->applications) && (application)) + { + /* Calculate start offset within contexts[] */ + offset_base=0; + for (i=0; i<(application-(daemon->applications)); i++) + { + offset_base+=daemon->applications[i].num_contexts; + } + + /* Iterate over all contexts belonging to this application */ + for (j=0;j<application->num_contexts;j++) + { + + context = &(daemon->contexts[offset_base+j]); + if (context) + { + resp.datasize+=sizeof(uint16_t) /* len_context_description */; + if (context->context_description!=0) + { + resp.datasize+=strlen(context->context_description); /* context_description */ + } + } + } + } + } + + /* Space for application description */ + if (application) + { + resp.datasize+=sizeof(uint16_t) /* len_app_description */; + if (application->application_description!=0) + { + resp.datasize+=strlen(application->application_description); /* app_description */ + } + } + } + else + { + /* All applications, all contexts */ + for (i=0;i<daemon->num_contexts;i++) + { + resp.datasize+=sizeof(uint16_t) /* len_context_description */; + if (daemon->contexts[i].context_description!=0) + { + resp.datasize+=strlen(daemon->contexts[i].context_description); /* context_description */ + } + } + + for (i=0;i<daemon->num_applications;i++) + { + resp.datasize+=sizeof(uint16_t) /* len_app_description */; + if (daemon->applications[i].application_description!=0) + { + resp.datasize+=strlen(daemon->applications[i].application_description); /* app_description */ + } + } + } + } + + if (verbose) + { + sprintf(str,"Allocate %d bytes for response msg databuffer\n", resp.datasize); + dlt_log(LOG_INFO, str); + } + + /* Allocate buffer for response message */ + resp.databuffer = (uint8_t *) malloc(resp.datasize); + if (resp.databuffer==0) + { + dlt_daemon_control_service_response(sock, daemon, DLT_SERVICE_ID_GET_LOG_INFO, DLT_SERVICE_RESPONSE_ERROR, verbose); + return; + } + memset(resp.databuffer,0,resp.datasize); + /* Preparation finished */ + + /* Prepare response */ + sid = DLT_SERVICE_ID_GET_LOG_INFO; + memcpy(resp.databuffer,&sid,sizeof(uint32_t)); + offset+=sizeof(uint32_t); + + value = (((num_applications!=0)&&(num_contexts!=0))?req->options:8); /* 8 = no matching context found */ + + memcpy(resp.databuffer+offset,&value,sizeof(int8_t)); + offset+=sizeof(int8_t); + + count_app_ids = num_applications; + + if (count_app_ids!=0) + { + memcpy(resp.databuffer+offset,&count_app_ids,sizeof(uint16_t)); + offset+=sizeof(uint16_t); + +#if (DLT_DEBUG_GETLOGINFO==1) + sprintf(str,"#apid: %d \n", count_app_ids); + dlt_log(LOG_DEBUG, str); +#endif + + for (i=0;i<count_app_ids;i++) + { + if (req->apid[0]!='\0') + { + apid = req->apid; + } + else + { + if (daemon->applications) + { + apid = daemon->applications[i].apid; + } + else + { + /* This should never occur! */ + apid=0; + } + } + + application = dlt_daemon_application_find(daemon, apid, verbose); + + if (application) + { + /* Calculate start offset within contexts[] */ + offset_base=0; + for (j=0; j<(application-(daemon->applications)); j++) + { + offset_base+=daemon->applications[j].num_contexts; + } + + dlt_set_id((char*)(resp.databuffer+offset),apid); + offset+=sizeof(ID4); + +#if (DLT_DEBUG_GETLOGINFO==1) + dlt_print_id(buf, apid); + sprintf(str,"apid: %s\n",buf); + dlt_log(LOG_DEBUG, str); +#endif + + if (req->apid[0]!='\0') + { + count_con_ids = num_contexts; + } + else + { + count_con_ids = application->num_contexts; + } + + memcpy(resp.databuffer+offset,&count_con_ids,sizeof(uint16_t)); + offset+=sizeof(uint16_t); + +#if (DLT_DEBUG_GETLOGINFO==1) + sprintf(str,"#ctid: %d \n", count_con_ids); + dlt_log(LOG_DEBUG, str); +#endif + + for (j=0;j<count_con_ids;j++) + { +#if (DLT_DEBUG_GETLOGINFO==1) + sprintf(str,"j: %d \n",j); + dlt_log(LOG_DEBUG, str); +#endif + if (!((count_con_ids==1) && (req->apid[0]!='\0') && (req->ctid[0]!='\0'))) + { + context = &(daemon->contexts[offset_base+j]); + } + /* else: context was already searched and found + (one application (found) with one context (found))*/ + + if ((context) && + ((req->ctid[0]=='\0') || + ((req->ctid[0]!='\0') && (memcmp(context->ctid,req->ctid,DLT_ID_SIZE)==0))) + ) + { + dlt_set_id((char*)(resp.databuffer+offset),context->ctid); + offset+=sizeof(ID4); + +#if (DLT_DEBUG_GETLOGINFO==1) + dlt_print_id(buf, context->ctid); + sprintf(str,"ctid: %s \n",buf); + dlt_log(LOG_DEBUG, str); +#endif + + /* Mode 4, 6, 7 */ + if ((req->options==4) || (req->options==6) || (req->options==7)) + { + ll=context->log_level; + memcpy(resp.databuffer+offset,&ll,sizeof(int8_t)); + offset+=sizeof(int8_t); + } + + /* Mode 5, 6, 7 */ + if ((req->options==5) || (req->options==6) || (req->options==7)) + { + ts=context->trace_status; + memcpy(resp.databuffer+offset,&ts,sizeof(int8_t)); + offset+=sizeof(int8_t); + } + + /* Mode 7 */ + if (req->options==7) + { + if (context->context_description) + { + len = strlen(context->context_description); + memcpy(resp.databuffer+offset,&len,sizeof(uint16_t)); + offset+=sizeof(uint16_t); + memcpy(resp.databuffer+offset,context->context_description,strlen(context->context_description)); + offset+=strlen(context->context_description); + } + else + { + len = 0; + memcpy(resp.databuffer+offset,&len,sizeof(uint16_t)); + offset+=sizeof(uint16_t); + } + } + +#if (DLT_DEBUG_GETLOGINFO==1) + sprintf(str,"ll=%d ts=%d \n",(int32_t)ll,(int32_t)ts); + dlt_log(LOG_DEBUG, str); +#endif + } + +#if (DLT_DEBUG_GETLOGINFO==1) + dlt_log(LOG_DEBUG,"\n"); +#endif + } + + /* Mode 7 */ + if (req->options==7) + { + if (application->application_description) + { + len = strlen(application->application_description); + memcpy(resp.databuffer+offset,&len,sizeof(uint16_t)); + offset+=sizeof(uint16_t); + memcpy(resp.databuffer+offset,application->application_description,strlen(application->application_description)); + offset+=strlen(application->application_description); + } + else + { + len = 0; + memcpy(resp.databuffer+offset,&len,sizeof(uint16_t)); + offset+=sizeof(uint16_t); + } + } + } /* if (application) */ + } /* for (i=0;i<count_app_ids;i++) */ + } /* if (count_app_ids!=0) */ + + dlt_set_id((char*)(resp.databuffer+offset),DLT_DAEMON_REMO_STRING); + + /* send message */ + dlt_daemon_control_send_control_message(sock,daemon,&resp,"","", verbose); + + /* free message */ + dlt_message_free(&resp,0); +} + +void dlt_daemon_control_message_buffer_overflow(int sock, DltDaemon *daemon, int verbose) +{ + DltMessage msg; + DltServiceMessageBufferOverflowResponse *resp; + + PRINT_FUNCTION_VERBOSE(verbose); + + if (daemon==0) + { + return; + } + + /* initialise new message */ + if (dlt_message_init(&msg,0)==-1) + { + dlt_daemon_control_service_response(sock, daemon, DLT_SERVICE_ID_MESSAGE_BUFFER_OVERFLOW, DLT_SERVICE_RESPONSE_ERROR, verbose); + return; + } + + /* prepare payload of data */ + msg.datasize = sizeof(DltServiceMessageBufferOverflowResponse); + if (msg.databuffer) + { + free(msg.databuffer); + } + msg.databuffer = (uint8_t *) malloc(msg.datasize); + if (msg.databuffer==0) + { + if (sock!=DLT_DAEMON_STORE_TO_BUFFER) + { + dlt_daemon_control_service_response(sock, daemon, DLT_SERVICE_ID_MESSAGE_BUFFER_OVERFLOW, DLT_SERVICE_RESPONSE_ERROR, verbose); + } + return; + } + + resp = (DltServiceMessageBufferOverflowResponse*) msg.databuffer; + resp->service_id = DLT_SERVICE_ID_MESSAGE_BUFFER_OVERFLOW; + resp->status = DLT_SERVICE_RESPONSE_OK; + resp->overflow = daemon->message_buffer_overflow; + + /* send message */ + dlt_daemon_control_send_control_message(sock,daemon,&msg,"","", verbose); + + /* free message */ + dlt_message_free(&msg,0); +} + +void dlt_daemon_control_service_response( int sock, DltDaemon *daemon, uint32_t service_id, int8_t status , int verbose) +{ + DltMessage msg; + DltServiceResponse *resp; + + PRINT_FUNCTION_VERBOSE(verbose); + + if (daemon==0) + { + return; + } + + /* initialise new message */ + if (dlt_message_init(&msg,0)==-1) + { + return; + } + + /* prepare payload of data */ + msg.datasize = sizeof(DltServiceResponse); + if (msg.databuffer) + { + free(msg.databuffer); + } + msg.databuffer = (uint8_t *) malloc(msg.datasize); + if (msg.databuffer==0) + { + return; + } + + resp = (DltServiceResponse*) msg.databuffer; + resp->service_id = service_id; + resp->status = status; + + /* send message */ + dlt_daemon_control_send_control_message(sock,daemon,&msg,"","", verbose); + + /* free message */ + dlt_message_free(&msg,0); +} + +void dlt_daemon_control_send_control_message( int sock, DltDaemon *daemon, DltMessage *msg, char* appid, char* ctid, int verbose) +{ + ssize_t ret; + int32_t len; + + PRINT_FUNCTION_VERBOSE(verbose); + + if ((daemon==0) || (msg==0) || (appid==0) || (ctid==0)) + { + return; + } + + /* prepare storage header */ + msg->storageheader = (DltStorageHeader*)msg->headerbuffer; + + if (dlt_set_storageheader(msg->storageheader,daemon->ecuid)==-1) + { + return; + } + + /* prepare standard header */ + msg->standardheader = (DltStandardHeader*)(msg->headerbuffer + sizeof(DltStorageHeader)); + msg->standardheader->htyp = DLT_HTYP_WEID | DLT_HTYP_WTMS | DLT_HTYP_UEH | DLT_HTYP_PROTOCOL_VERSION1 ; + +#if (BYTE_ORDER==BIG_ENDIAN) + msg->standardheader->htyp = ( msg->standardheader->htyp | DLT_HTYP_MSBF); +#endif + + msg->standardheader->mcnt = 0; + + /* Set header extra parameters */ + dlt_set_id(msg->headerextra.ecu,daemon->ecuid); + + //msg->headerextra.seid = 0; + + msg->headerextra.tmsp = dlt_uptime(); + + dlt_message_set_extraparameters(msg, verbose); + + /* prepare extended header */ + msg->extendedheader = (DltExtendedHeader*)(msg->headerbuffer + sizeof(DltStorageHeader) + sizeof(DltStandardHeader) + DLT_STANDARD_HEADER_EXTRA_SIZE(msg->standardheader->htyp)); + msg->extendedheader->msin = DLT_MSIN_CONTROL_RESPONSE; + + msg->extendedheader->noar = 1; /* number of arguments */ + if (strcmp(appid,"")==0) + { + dlt_set_id(msg->extendedheader->apid,DLT_DAEMON_CTRL_APID); /* application id */ + } + else + { + dlt_set_id(msg->extendedheader->apid, appid); + } + if (strcmp(ctid,"")==0) + { + dlt_set_id(msg->extendedheader->ctid,DLT_DAEMON_CTRL_CTID); /* context id */ + } + else + { + dlt_set_id(msg->extendedheader->ctid, ctid); + } + + /* prepare length information */ + msg->headersize = sizeof(DltStorageHeader) + sizeof(DltStandardHeader) + sizeof(DltExtendedHeader) + DLT_STANDARD_HEADER_EXTRA_SIZE(msg->standardheader->htyp); + + len=msg->headersize - sizeof(DltStorageHeader) + msg->datasize; + if (len>UINT16_MAX) + { + dlt_log(LOG_CRIT,"Huge control message discarded!\n"); + return; + } + + msg->standardheader->len = DLT_HTOBE_16(((uint16_t)len)); + + if (sock!=DLT_DAEMON_STORE_TO_BUFFER) + { + /* Send message */ + if (isatty(sock)) + { + DLT_DAEMON_SEM_LOCK(); + + /* Optional: Send serial header, if requested */ + if (daemon->sendserialheader) + { + ret=write(sock,dltSerialHeader,sizeof(dltSerialHeader)); + } + + /* Send data */ + ret=write(sock, msg->headerbuffer+sizeof(DltStorageHeader),msg->headersize-sizeof(DltStorageHeader)); + ret=write(sock, msg->databuffer,msg->datasize); + + DLT_DAEMON_SEM_FREE(); + } + else + { + DLT_DAEMON_SEM_LOCK(); + + /* Optional: Send serial header, if requested */ + if (daemon->sendserialheader) + { + send(sock, dltSerialHeader,sizeof(dltSerialHeader),0); + } + + /* Send data */ + send(sock, msg->headerbuffer+sizeof(DltStorageHeader),msg->headersize-sizeof(DltStorageHeader),0); + send(sock, msg->databuffer,msg->datasize,0); + + DLT_DAEMON_SEM_FREE(); + } + } + else + { + /* Store message in history buffer */ + if (dlt_ringbuffer_put3(&(daemon->client_ringbuffer), + msg->headerbuffer+sizeof(DltStorageHeader),msg->headersize-sizeof(DltStorageHeader), + msg->databuffer,msg->datasize, + 0, 0 + )<0) + { + dlt_log(LOG_ERR,"Storage of message in history buffer failed! Message discarded.\n"); + return; + } + } +} + +void dlt_daemon_control_reset_to_factory_default(DltDaemon *daemon,const char *filename, const char *filename1, int verbose) +{ + FILE *fd; + + PRINT_FUNCTION_VERBOSE(verbose); + + if ((daemon==0) || (filename==0) || (filename1==0) || (filename[0]=='\0') || (filename1[0]=='\0')) + { + return; + } + + /* Check for runtime cfg file and delete it, if available */ + fd=fopen(filename, "r"); + + if (fd!=0) + { + /* Close and delete file */ + fclose(fd); + unlink(filename); + } + + fd=fopen(filename1, "r"); + + if (fd!=0) + { + /* Close and delete file */ + fclose(fd); + unlink(filename1); + } + + daemon->default_log_level = DLT_DAEMON_INITIAL_LOG_LEVEL ; + daemon->default_trace_status = DLT_DAEMON_INITIAL_TRACE_STATUS ; + + daemon->message_buffer_overflow = DLT_MESSAGE_BUFFER_NO_OVERFLOW; + + /* Reset all other things (log level, trace status, etc. + to default values */ + + /* Inform user libraries about changed default log level/trace status */ + dlt_daemon_user_send_default_update(daemon, verbose); +} + +void dlt_daemon_user_send_default_update(DltDaemon *daemon, int verbose) +{ + int32_t count; + DltDaemonContext *context; + + PRINT_FUNCTION_VERBOSE(verbose); + + if (daemon==0) + { + return; + } + + for (count=0;count<daemon->num_contexts; count ++) + { + context = &(daemon->contexts[count]); + + if (context) + { + if ((context->log_level == DLT_LOG_DEFAULT) || + (context->trace_status == DLT_TRACE_STATUS_DEFAULT)) + { + if (context->user_handle!=0) + { + if (dlt_daemon_user_send_log_level(daemon, context, verbose)==-1) + { + return; + } + } + } + } + } +} + +void dlt_daemon_control_message_time(int sock, DltDaemon *daemon, int verbose) +{ + DltMessage msg; + ssize_t ret; + int32_t len; + + PRINT_FUNCTION_VERBOSE(verbose); + + if (daemon==0) + { + return; + } + + if (sock==DLT_DAEMON_STORE_TO_BUFFER) + { + return; + } + + /* initialise new message */ + if (dlt_message_init(&msg,0)==-1) + { + return; + } + + /* prepare payload of data */ + msg.datasize = 0; + if (msg.databuffer) + { + free(msg.databuffer); + } + msg.databuffer = 0; + + /* send message */ + + /* prepare storage header */ + msg.storageheader = (DltStorageHeader*)msg.headerbuffer; + dlt_set_storageheader(msg.storageheader,daemon->ecuid); + + /* prepare standard header */ + msg.standardheader = (DltStandardHeader*)(msg.headerbuffer + sizeof(DltStorageHeader)); + msg.standardheader->htyp = DLT_HTYP_WEID | DLT_HTYP_WTMS | DLT_HTYP_UEH | DLT_HTYP_PROTOCOL_VERSION1 ; + +#if (BYTE_ORDER==BIG_ENDIAN) + msg.standardheader->htyp = ( msg.standardheader->htyp | DLT_HTYP_MSBF); +#endif + + msg.standardheader->mcnt = 0; + + /* Set header extra parameters */ + dlt_set_id(msg.headerextra.ecu,daemon->ecuid); + msg.headerextra.tmsp = dlt_uptime(); + + dlt_message_set_extraparameters(&msg, verbose); + + /* prepare extended header */ + msg.extendedheader = (DltExtendedHeader*)(msg.headerbuffer + sizeof(DltStorageHeader) + sizeof(DltStandardHeader) + DLT_STANDARD_HEADER_EXTRA_SIZE(msg.standardheader->htyp)); + msg.extendedheader->msin = DLT_MSIN_CONTROL_TIME; + + msg.extendedheader->noar = 0; /* number of arguments */ + dlt_set_id(msg.extendedheader->apid,""); /* application id */ + dlt_set_id(msg.extendedheader->ctid,""); /* context id */ + + /* prepare length information */ + msg.headersize = sizeof(DltStorageHeader) + sizeof(DltStandardHeader) + sizeof(DltExtendedHeader) + DLT_STANDARD_HEADER_EXTRA_SIZE(msg.standardheader->htyp); + + len=msg.headersize - sizeof(DltStorageHeader) + msg.datasize; + if (len>UINT16_MAX) + { + dlt_log(LOG_CRIT,"Huge control message discarded!\n"); + + /* free message */ + dlt_message_free(&msg,0); + + return; + } + + msg.standardheader->len = DLT_HTOBE_16(((uint16_t)len)); + + /* Send message */ + if (isatty(sock)) + { + DLT_DAEMON_SEM_LOCK(); + + /* Optional: Send serial header, if requested */ + if (daemon->sendserialheader) + { + ret=write(sock,dltSerialHeader,sizeof(dltSerialHeader)); + } + + /* Send data */ + ret=write(sock, msg.headerbuffer+sizeof(DltStorageHeader),msg.headersize-sizeof(DltStorageHeader)); + ret=write(sock, msg.databuffer,msg.datasize); + + DLT_DAEMON_SEM_FREE(); + } + else + { + DLT_DAEMON_SEM_LOCK(); + + /* Optional: Send serial header, if requested */ + if (daemon->sendserialheader) + { + send(sock, dltSerialHeader,sizeof(dltSerialHeader),0); + } + + /* Send data */ + send(sock, msg.headerbuffer+sizeof(DltStorageHeader),msg.headersize-sizeof(DltStorageHeader),0); + send(sock, msg.databuffer,msg.datasize,0); + + DLT_DAEMON_SEM_FREE(); + } + + /* free message */ + dlt_message_free(&msg,0); +} + diff --git a/src/daemon/dlt_daemon_common.h b/src/daemon/dlt_daemon_common.h new file mode 100755 index 0000000..fa0fe53 --- /dev/null +++ b/src/daemon/dlt_daemon_common.h @@ -0,0 +1,420 @@ +/*
+ * Dlt- Diagnostic Log and Trace daemon
+ * @licence app begin@ + * + * Copyright (C) 2011, BMW AG - Alexander Wenzel <alexander.wenzel@bmw.de> + * + * This program is free software; you can redistribute it and/or modify it under the terms of the + * GNU Lesser General Public License, version 2.1, as published by the Free Software Foundation. + * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General + * Public License, version 2.1, for more details. + * + * You should have received a copy of the GNU Lesser General Public License, version 2.1, along + * with this program; if not, see <http://www.gnu.org/licenses/lgpl-2.1.html>. + * + * Note that the copyright holders assume that the GNU Lesser General Public License, version 2.1, may + * also be applicable to programs even in cases in which the program is not a library in the technical sense. + * + * Linking DLT statically or dynamically with other modules is making a combined work based on DLT. You may + * license such other modules under the GNU Lesser General Public License, version 2.1. If you do not want to + * license your linked modules under the GNU Lesser General Public License, version 2.1, you + * may use the program under the following exception. + * + * As a special exception, the copyright holders of DLT give you permission to combine DLT + * with software programs or libraries that are released under any license unless such a combination is not + * permitted by the license of such a software program or library. You may copy and distribute such a + * system following the terms of the GNU Lesser General Public License, version 2.1, including this + * special exception, for DLT and the licenses of the other code concerned. + * + * Note that people who make modified versions of DLT are not obligated to grant this special exception + * for their modified versions; it is their choice whether to do so. The GNU Lesser General Public License, + * version 2.1, gives permission to release a modified version without this exception; this exception + * also makes it possible to release a modified version which carries forward this exception. + * + * @licence end@
+ */
+
+
+/*******************************************************************************
+** **
+** SRC-MODULE: dlt_daemon_common.h **
+** **
+** TARGET : linux **
+** **
+** PROJECT : DLT **
+** **
+** AUTHOR : Alexander Wenzel Alexander.AW.Wenzel@bmw.de **
+** Markus Klein **
+** **
+** PURPOSE : **
+** **
+** REMARKS : **
+** **
+** PLATFORM DEPENDANT [yes/no]: yes **
+** **
+** TO BE CHANGED BY USER [yes/no]: no **
+** **
+*******************************************************************************/
+
+/*******************************************************************************
+** Author Identity **
+********************************************************************************
+** **
+** Initials Name Company **
+** -------- ------------------------- ---------------------------------- **
+** aw Alexander Wenzel BMW **
+** mk Markus Klein Fraunhofer ESK **
+*******************************************************************************/
+
+/*******************************************************************************
+** Revision Control History **
+*******************************************************************************/
+
+/*
+ * $LastChangedRevision: 1670 $
+ * $LastChangedDate: 2011-04-08 15:12:06 +0200 (Fr, 08. Apr 2011) $
+ * $LastChangedBy$
+ Initials Date Comment
+ aw 15.02.2010 initial
+ */
+
+#ifndef DLT_DAEMON_COMMON_H
+#define DLT_DAEMON_COMMON_H
+
+/**
+ \defgroup daemonapi DLT Daemon API
+ \addtogroup daemonapi
+ \{
+*/
+
+#include <semaphore.h>
+#include "dlt_common.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define DLT_DAEMON_RINGBUFFER_SIZE 100000 /**< Ring buffer size for storing log messages while no client is connected */
+
+#define DLT_DAEMON_STORE_TO_BUFFER -2 /**< Constant value to identify the command "store to buffer" */
+
+/* Use a semaphore or mutex from your OS to prevent concurrent access to the DLT buffer. */
+
+#define DLT_DAEMON_SEM_LOCK() { sem_wait(&dlt_daemon_mutex); }
+#define DLT_DAEMON_SEM_FREE() { sem_post(&dlt_daemon_mutex); }
+extern sem_t dlt_daemon_mutex;
+
+
+/**
+ * The parameters of a daemon application.
+ */
+typedef struct
+{
+ char apid[DLT_ID_SIZE]; /**< application id */
+ pid_t pid; /**< process id of user application */
+ int user_handle; /**< connection handle for connection to user application */
+ char *application_description; /**< context description */
+ int num_contexts; /**< number of contexts for this application */
+} DltDaemonApplication;
+
+/**
+ * The parameters of a daemon context.
+ */
+typedef struct
+{
+ char apid[DLT_ID_SIZE]; /**< application id */
+ char ctid[DLT_ID_SIZE]; /**< context id */
+ int8_t log_level; /**< the current log level of the context */
+ int8_t trace_status; /**< the current trace status of the context */
+ int log_level_pos; /**< offset of context in context field on user application */
+ int user_handle; /**< connection handle for connection to user application */
+ char *context_description; /**< context description */
+} DltDaemonContext;
+
+/**
+ * The parameters of a daemon.
+ */
+typedef struct
+{
+ int num_contexts; /**< Total number of all contexts in all applications */
+ DltDaemonContext *contexts; /**< Pointer to contexts */
+ int num_applications; /**< Number of available application */
+ DltDaemonApplication *applications; /**< Pointer to applications */
+ int8_t default_log_level; /**< Default log level (of daemon) */
+ int8_t default_trace_status; /**< Default trace status (of daemon) */
+ int message_buffer_overflow; /**< Set to one, if buffer overflow has occured, zero otherwise */
+ int runtime_context_cfg_loaded; /**< Set to one, if runtime context configuration has been loaded, zero otherwise */
+ char ecuid[DLT_ID_SIZE]; /**< ECU ID of daemon */
+ int sendserialheader; /**< 1: send serial header; 0 don't send serial header */
+ int timingpackets; /**< 1: send continous timing packets; 0 don't send continous timing packets */
+ DltRingBuffer client_ringbuffer; /**< Ring-buffer for storing received logs while no client connection is available */
+} DltDaemon;
+
+/**
+ * Initialise the dlt daemon structure
+ * This function must be called before using further dlt daemon structure
+ * @param daemon pointer to dlt daemon structure
+ * @param verbose if set to true verbose information is printed out.
+ * @return negative value if there was an error
+ */
+int dlt_daemon_init(DltDaemon *daemon,int verbose);
+/**
+ * De-Initialise the dlt daemon structure
+ * @param daemon pointer to dlt daemon structure
+ * @param verbose if set to true verbose information is printed out.
+ * @return negative value if there was an error
+ */
+int dlt_daemon_free(DltDaemon *daemon,int verbose);
+
+/**
+ * Add (new) application to internal application management
+ * @param daemon pointer to dlt daemon structure
+ * @param apid pointer to application id
+ * @param pid process id of user application
+ * @param description description of application
+ * @param verbose if set to true verbose information is printed out.
+ * @return Pointer to added context, null pointer on error
+ */
+DltDaemonApplication* dlt_daemon_application_add(DltDaemon *daemon,char *apid,pid_t pid,char *description, int verbose);
+/**
+ * Delete application from internal application management
+ * @param daemon pointer to dlt daemon structure
+ * @param application pointer to application to be deleted
+ * @param verbose if set to true verbose information is printed out.
+ * @return negative value if there was an error
+ */
+int dlt_daemon_application_del(DltDaemon *daemon, DltDaemonApplication *application, int verbose);
+/**
+ * Find application with specific application id
+ * @param daemon pointer to dlt daemon structure
+ * @param apid pointer to application id
+ * @param verbose if set to true verbose information is printed out.
+ * @return Pointer to application, null pointer on error or not found
+ */
+DltDaemonApplication* dlt_daemon_application_find(DltDaemon *daemon,char *apid,int verbose);
+/**
+ * Load applications from file to internal context management
+ * @param daemon pointer to dlt daemon structure
+ * @param filename name of file to be used for loading
+ * @param verbose if set to true verbose information is printed out.
+ * @return negative value if there was an error
+ */
+int dlt_daemon_applications_load(DltDaemon *daemon,const char *filename, int verbose);
+/**
+ * Save applications from internal context management to file
+ * @param daemon pointer to dlt daemon structure
+ * @param filename name of file to be used for saving
+ * @param verbose if set to true verbose information is printed out.
+ * @return negative value if there was an error
+ */
+int dlt_daemon_applications_save(DltDaemon *daemon,const char *filename, int verbose);
+/**
+ * Clear all applications in internal application management
+ * @param daemon pointer to dlt daemon structure
+ * @param verbose if set to true verbose information is printed out.
+ * @return negative value if there was an error
+ */
+int dlt_daemon_applications_clear(DltDaemon *daemon,int verbose);
+
+/**
+ * Add (new) context to internal context management
+ * @param daemon pointer to dlt daemon structure
+ * @param apid pointer to application id
+ * @param ctid pointer to context id
+ * @param log_level log level of context
+ * @param trace_status trace status of context
+ * @param log_level_pos offset of context in context field on user application
+ * @param user_handle connection handle for connection to user application
+ * @param description description of context
+ * @param verbose if set to true verbose information is printed out.
+ * @return Pointer to added context, null pointer on error
+ */
+DltDaemonContext* dlt_daemon_context_add(DltDaemon *daemon,char *apid,char *ctid,int8_t log_level,int8_t trace_status,int log_level_pos, int user_handle,char *description,int verbose);
+/**
+ * Delete context from internal context management
+ * @param daemon pointer to dlt daemon structure
+ * @param context pointer to context to be deleted
+ * @param verbose if set to true verbose information is printed out.
+ * @return negative value if there was an error
+ */
+int dlt_daemon_context_del(DltDaemon *daemon, DltDaemonContext* context, int verbose);
+/**
+ * Find context with specific application id and context id
+ * @param daemon pointer to dlt daemon structure
+ * @param apid pointer to application id
+ * @param ctid pointer to context id
+ * @param verbose if set to true verbose information is printed out.
+ * @return Pointer to context, null pointer on error or not found
+ */
+DltDaemonContext* dlt_daemon_context_find(DltDaemon *daemon,char *apid,char *ctid,int verbose);
+/**
+ * Clear all contexts in internal context management
+ * @param daemon pointer to dlt daemon structure
+ * @param verbose if set to true verbose information is printed out.
+ * @return negative value if there was an error
+ */
+int dlt_daemon_contexts_clear(DltDaemon *daemon,int verbose);
+/**
+ * Load contexts from file to internal context management
+ * @param daemon pointer to dlt daemon structure
+ * @param filename name of file to be used for loading
+ * @param verbose if set to true verbose information is printed out.
+ * @return negative value if there was an error
+ */
+int dlt_daemon_contexts_load(DltDaemon *daemon,const char *filename, int verbose);
+/**
+ * Save contexts from internal context management to file
+ * @param daemon pointer to dlt daemon structure
+ * @param filename name of file to be used for saving
+ * @param verbose if set to true verbose information is printed out.
+ * @return negative value if there was an error
+ */
+int dlt_daemon_contexts_save(DltDaemon *daemon,const char *filename, int verbose);
+
+/**
+ * Send user message DLT_USER_MESSAGE_LOG_LEVEL to user application
+ * @param daemon pointer to dlt daemon structure
+ * @param context pointer to context for response
+ * @param verbose if set to true verbose information is printed out.
+ * @return negative value if there was an error
+ */
+int dlt_daemon_user_send_log_level(DltDaemon *daemon,DltDaemonContext *context, int verbose);
+/**
+ * Send user messages to all user applications using default context, or trace status
+ * to update those values
+ * @param daemon pointer to dlt daemon structure
+ * @param verbose if set to true verbose information is printed out.
+ */
+void dlt_daemon_user_send_default_update(DltDaemon *daemon, int verbose);
+
+/**
+ * Process received control message from dlt client
+ * @param sock connection handle used for sending response
+ * @param daemon pointer to dlt daemon structure
+ * @param msg pointer to received control message
+ * @param verbose if set to true verbose information is printed out.
+ */
+int dlt_daemon_control_process_control(int sock, DltDaemon *daemon, DltMessage *msg, int verbose);
+/**
+ * Generate response to control message from dlt client
+ * @param sock connection handle used for sending response
+ * @param daemon pointer to dlt daemon structure
+ * @param service_id service id of control message
+ * @param status status of response (e.g. ok, not supported, error)
+ * @param verbose if set to true verbose information is printed out.
+ */
+void dlt_daemon_control_service_response(int sock, DltDaemon *daemon, uint32_t service_id, int8_t status, int verbose);
+/**
+ * Send out response message to dlt client
+ * @param sock connection handle used for sending response
+ * @param daemon pointer to dlt daemon structure
+ * @param msg pointer to response message
+ * @param appid pointer to application id to be used in response message
+ * @param contid pointer to context id to be used in response message
+ * @param verbose if set to true verbose information is printed out.
+ */
+void dlt_daemon_control_send_control_message(int sock, DltDaemon *daemon, DltMessage *msg, char* appid, char* contid, int verbose);
+
+/**
+ * Process and generate response to received sw injection control message
+ * @param sock connection handle used for sending response
+ * @param daemon pointer to dlt daemon structure
+ * @param msg pointer to received sw injection control message
+ * @param verbose if set to true verbose information is printed out.
+ */
+void dlt_daemon_control_callsw_cinjection(int sock, DltDaemon *daemon, DltMessage *msg, int verbose);
+/**
+ * Process and generate response to received set log level control message
+ * @param sock connection handle used for sending response
+ * @param daemon pointer to dlt daemon structure
+ * @param msg pointer to received control message
+ * @param verbose if set to true verbose information is printed out.
+ */
+void dlt_daemon_control_set_log_level(int sock, DltDaemon *daemon, DltMessage *msg, int verbose);
+/**
+ * Process and generate response to received set trace status control message
+ * @param sock connection handle used for sending response
+ * @param daemon pointer to dlt daemon structure
+ * @param msg pointer to received control message
+ * @param verbose if set to true verbose information is printed out.
+ */
+void dlt_daemon_control_set_trace_status(int sock, DltDaemon *daemon, DltMessage *msg, int verbose);
+/**
+ * Process and generate response to received set default log level control message
+ * @param sock connection handle used for sending response
+ * @param daemon pointer to dlt daemon structure
+ * @param msg pointer to received control message
+ * @param verbose if set to true verbose information is printed out.
+ */
+void dlt_daemon_control_set_default_log_level(int sock, DltDaemon *daemon, DltMessage *msg, int verbose);
+/**
+ * Process and generate response to received set default trace status control message
+ * @param sock connection handle used for sending response
+ * @param daemon pointer to dlt daemon structure
+ * @param msg pointer to received control message
+ * @param verbose if set to true verbose information is printed out.
+ */
+void dlt_daemon_control_set_default_trace_status(int sock, DltDaemon *daemon, DltMessage *msg, int verbose);
+/**
+ * Process and generate response to set timing packets control message
+ * @param sock connection handle used for sending response
+ * @param daemon pointer to dlt daemon structure
+ * @param msg pointer to received control message
+ * @param verbose if set to true verbose information is printed out.
+ */
+void dlt_daemon_control_set_timing_packets(int sock, DltDaemon *daemon, DltMessage *msg, int verbose);
+/**
+ * Process and generate response to received get software version control message
+ * @param sock connection handle used for sending response
+ * @param daemon pointer to dlt daemon structure
+ * @param verbose if set to true verbose information is printed out.
+ */
+void dlt_daemon_control_get_software_version(int sock, DltDaemon *daemon, int verbose);
+/**
+ * Process and generate response to received get default log level control message
+ * @param sock connection handle used for sending response
+ * @param daemon pointer to dlt daemon structure
+ * @param verbose if set to true verbose information is printed out.
+ */
+void dlt_daemon_control_get_default_log_level(int sock, DltDaemon *daemon, int verbose);
+/**
+ * Process and generate response to received get log info control message
+ * @param sock connection handle used for sending response
+ * @param daemon pointer to dlt daemon structure
+ * @param msg pointer to received control message
+ * @param verbose if set to true verbose information is printed out.
+ */
+void dlt_daemon_control_get_log_info(int sock, DltDaemon *daemon, DltMessage *msg, int verbose);
+/**
+ * Process and generate response to message buffer overflow control message
+ * @param sock connection handle used for sending response
+ * @param daemon pointer to dlt daemon structure
+ * @param verbose if set to true verbose information is printed out.
+ */
+void dlt_daemon_control_message_buffer_overflow(int sock, DltDaemon *daemon, int verbose);
+/**
+ * Process reset to factory default control message
+ * @param daemon pointer to dlt daemon structure
+ * @param filename name of file containing the runtime defaults for applications
+ * @param filename1 name of file containing the runtime defaults for contexts
+ * @param verbose if set to true verbose information is printed out.
+ */
+void dlt_daemon_control_reset_to_factory_default(DltDaemon *daemon,const char *filename, const char *filename1, int verbose);
+/**
+ * Send time control message
+ * @param sock connection handle used for sending response
+ * @param daemon pointer to dlt daemon structure
+ * @param verbose if set to true verbose information is printed out.
+ */
+void dlt_daemon_control_message_time(int sock, DltDaemon *daemon, int verbose);
+
+#ifdef __cplusplus
+}
+#endif
+
+/**
+ \}
+*/
+
+#endif /* DLT_DAEMON_COMMON_H */
diff --git a/src/daemon/dlt_daemon_common_cfg.h b/src/daemon/dlt_daemon_common_cfg.h new file mode 100755 index 0000000..57db30e --- /dev/null +++ b/src/daemon/dlt_daemon_common_cfg.h @@ -0,0 +1,129 @@ +/*
+ * Dlt- Diagnostic Log and Trace daemon
+ * @licence app begin@ + * + * Copyright (C) 2011, BMW AG - Alexander Wenzel <alexander.wenzel@bmw.de> + * + * This program is free software; you can redistribute it and/or modify it under the terms of the + * GNU Lesser General Public License, version 2.1, as published by the Free Software Foundation. + * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General + * Public License, version 2.1, for more details. + * + * You should have received a copy of the GNU Lesser General Public License, version 2.1, along + * with this program; if not, see <http://www.gnu.org/licenses/lgpl-2.1.html>. + * + * Note that the copyright holders assume that the GNU Lesser General Public License, version 2.1, may + * also be applicable to programs even in cases in which the program is not a library in the technical sense. + * + * Linking DLT statically or dynamically with other modules is making a combined work based on DLT. You may + * license such other modules under the GNU Lesser General Public License, version 2.1. If you do not want to + * license your linked modules under the GNU Lesser General Public License, version 2.1, you + * may use the program under the following exception. + * + * As a special exception, the copyright holders of DLT give you permission to combine DLT + * with software programs or libraries that are released under any license unless such a combination is not + * permitted by the license of such a software program or library. You may copy and distribute such a + * system following the terms of the GNU Lesser General Public License, version 2.1, including this + * special exception, for DLT and the licenses of the other code concerned. + * + * Note that people who make modified versions of DLT are not obligated to grant this special exception + * for their modified versions; it is their choice whether to do so. The GNU Lesser General Public License, + * version 2.1, gives permission to release a modified version without this exception; this exception + * also makes it possible to release a modified version which carries forward this exception. + * + * @licence end@
+ */
+
+
+/*******************************************************************************
+** **
+** SRC-MODULE: dlt_daemon_common_cfg.h **
+** **
+** TARGET : linux **
+** **
+** PROJECT : DLT **
+** **
+** AUTHOR : Alexander Wenzel Alexander.AW.Wenzel@bmw.de **
+** Markus Klein **
+** **
+** PURPOSE : **
+** **
+** REMARKS : **
+** **
+** PLATFORM DEPENDANT [yes/no]: yes **
+** **
+** TO BE CHANGED BY USER [yes/no]: no **
+** **
+*******************************************************************************/
+
+/*******************************************************************************
+** Author Identity **
+********************************************************************************
+** **
+** Initials Name Company **
+** -------- ------------------------- ---------------------------------- **
+** aw Alexander Wenzel BMW **
+** mk Markus Klein Fraunhofer ESK **
+*******************************************************************************/
+
+/*******************************************************************************
+** Author Identity **
+********************************************************************************
+** **
+** Initials Name Company **
+** -------- ------------------------- ---------------------------------- **
+** aw Alexander Wenzel BMW **
+** mk Markus Klein Fraunhofer ESK **
+*******************************************************************************/
+
+#ifndef DLT_DAEMON_COMMON_CFG_H
+#define DLT_DAEMON_COMMON_CFG_H
+
+/*************/
+/* Changable */
+/*************/
+
+/* Path and filename for runtime configuration (applications) */
+#define DLT_RUNTIME_APPLICATION_CFG "/tmp/dlt-runtime-application.cfg"
+/* Path and filename for runtime configuration (contexts) */
+#define DLT_RUNTIME_CONTEXT_CFG "/tmp/dlt-runtime-context.cfg"
+
+/* Size of text buffer */
+#define DLT_DAEMON_TEXTBUFSIZE 255
+
+/* Initial log level */
+#define DLT_DAEMON_INITIAL_LOG_LEVEL DLT_LOG_INFO
+/* Initial trace status */
+#define DLT_DAEMON_INITIAL_TRACE_STATUS DLT_TRACE_STATUS_OFF
+
+/* Application ID used when the dlt daemon creates a control message */
+#define DLT_DAEMON_CTRL_APID "DA1"
+/* Context ID used when the dlt daemon creates a control message */
+#define DLT_DAEMON_CTRL_CTID "DC1"
+
+/* Number of entries to be allocated at one in application table,
+ when no more entries are available */
+#define DLT_DAEMON_APPL_ALLOC_SIZE 500
+/* Number of entries to be allocated at one in context table,
+ when no more entries are available */
+#define DLT_DAEMON_CONTEXT_ALLOC_SIZE 1000
+
+/* Debug get log info function,
+ set to 1 to enable, 0 to disable debugging */
+#define DLT_DEBUG_GETLOGINFO 0
+
+/************************/
+/* Don't change please! */
+/************************/
+
+/* Minimum ID for an injection message */
+#define DLT_DAEMON_INJECTION_MIN 0xFFF
+/* Maximum ID for an injection message */
+#define DLT_DAEMON_INJECTION_MAX 0xFFFFFFFF
+
+/* Remote interface identifier */
+#define DLT_DAEMON_REMO_STRING "remo"
+
+#endif /* DLT_DAEMON_COMMON_CFG_H */
+
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