diff options
Diffstat (limited to 'TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_shared/com.cpp')
| -rw-r--r-- | TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_shared/com.cpp | 2136 |
1 files changed, 0 insertions, 2136 deletions
diff --git a/TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_shared/com.cpp b/TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_shared/com.cpp deleted file mode 100644 index e64a8f43b00..00000000000 --- a/TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_shared/com.cpp +++ /dev/null @@ -1,2136 +0,0 @@ -/* $Id$ */ - -/* Copyright (c) 1995 Oregon Graduate Institute of Science and Technology - * P.O.Box 91000-1000, Portland, OR 97291, USA; - * - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation, and that the name of O.G.I. not be used in advertising or - * publicity pertaining to distribution of the software without specific, - * written prior permission. O.G.I. makes no representations about the - * suitability of this software for any purpose. It is provided "as is" - * without express or implied warranty. - * - * O.G.I. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING - * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL - * O.G.I. BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY - * DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN - * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - * - * Author: Shanwei Cen - * Department of Computer Science and Engineering - * email: scen@cse.ogi.edu - */ - -// #include <stdio.h> -// #include <errno.h> -// #include <stdlib.h> -// #include <sys/types.h> -// #include <unistd.h> -// #include <string.h> -// #include <netdb.h> -// #include <ctype.h> -// #include <sys/select.h> -// #include <sys/socket.h> -// #include <netinet/in.h> -// #include <netinet/tcp.h> -// #include <arpa/inet.h> -// #include <sys/un.h> -// #include <time.h> -// #include <sys/time.h> -#include "include/common.h" -#include "fileio.h" -#include "routine.h" -#include "com.h" -#include "ace/OS.h" - -#ifdef NATIVE_ATM -#include "atmcom.h" -#endif - -ACE_RCSID(mpeg_shared, com, "$Id$") - -#define CONN_INET 1 -#define CONN_UNIX 2 -#define CONN_ATM 3 - -#define SERVER_FDTABLE_SIZE 50 -#define CLIENT_FDTABLE_SIZE 10 - -#define STATE_PENDING 1 -#define STATE_CONTROL 2 -#define STATE_DATA 3 -#define STATE_SINGLE 4 - -static int inet_port; -static char * unix_port, * atm_port; - -static struct FdTable -{ - int fd; /* -1 -- free item, >=0 -- fd value */ - int type; - unsigned stime; /* setup time, in seconds */ - int state; -} * fdTable = NULL; -static int size = 0; - -int ComInitClient(int pinet_port, char * punix_port, char * patm_port) -{ - int i; - - inet_port = pinet_port; - unix_port = punix_port; - atm_port = patm_port; - if (size) { - fprintf(stderr, - "Error ComInitClient: pid %d already done ComInitClient/Server\n", - getpid()); - return -1; - } - size = CLIENT_FDTABLE_SIZE; - fdTable = (struct FdTable *)ACE_OS::malloc(size * sizeof(*fdTable)); - if (fdTable == NULL) { - fprintf(stderr, - "Error ComInitClient: pid %d failed to allocated fdTable space:", - getpid()); - perror(""); - return -1; - } - for (i = 0; i < size; i ++) { - fdTable[i].fd = -1; - } -#ifdef NATIVE_ATM - return ATMinitClient(atm_port); -#else - return 0; -#endif -} - -void ComCloseClient(void) -{ - int i; - for (i = 0; i < size; i ++) { - if (fdTable[i].fd >= 0) ComCloseConn(fdTable[i].fd); - } -#ifdef NATIVE_ATM - ATMcloseClient(); -#endif - return; -} - -int ComCloseFd(int fd) -{ - int i; - if (!size) { - fprintf(stderr, - "Error ComCloseFd: pid %d not done ComInitClient/Server yet.\n", - getpid()); - return -1; - } - for (i = 0; i < size; i ++) { - if (fdTable[i].fd == fd) break; - } - if (i < size) { - fdTable[i].fd = -1; - if (fdTable[i].type == CONN_ATM) { -#ifdef NATIVE_ATM - return ATMcloseFd(fd); -#else - fprintf(stderr, - "Error ComCloseFd: pid %d CONN_ATM not supported.\n", - getpid()); - return -1; -#endif - } - else { - close(fd); - } - return 0; - } - else { - fprintf(stderr, - "Error ComCloseFd: pid %d can't find fd %d in table\n", - getpid(), fd); - return -1; - } -} - -int ComCloseConn(int fd) -{ - int i; - if (!size) { - fprintf(stderr, - "Error ComCloseConn: pid %d not done ComInitClient/Server yet.\n", - getpid()); - return -1; - } - for (i = 0; i < size; i ++) { - if (fdTable[i].fd == fd) break; - } - if (i < size) { - fdTable[i].fd = -1; - if (fdTable[i].type == CONN_ATM) { -#ifdef NATIVE_ATM - return ATMcloseConn(fd); -#else - fprintf(stderr, - "Error ComCloseConn: pid %d CONN_ATM not supported.\n", - getpid()); - return -1; -#endif - } - else { - close(fd); - } - return 0; - } - else { - fprintf(stderr, - "Error ComCloseConn: pid %d can't find fd %d in table\n", - getpid(), fd); - return -1; - } -} - -int ComOpenConnPair(char * address, int *ctr_fd, int *data_fd, int *max_pkt_size) -{ - - // This is right now called only by the audio client. - // The protocol is slightly modified as after connecting we need to - // inform that we are a audio client so that it can fork a process. - int i; - int cfd, dfd, csocktype, dsocktype; - int conn_tag = !(*max_pkt_size); - struct sockaddr_in addressIn; - struct sockaddr_un addressUn; - - if (!size) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d not done ComInitClient/Server yet.\n", - getpid()); - return -1; - } - - cfd = 0; - for (i = 0; i < size; i ++) { - if (fdTable[i].fd == -1) cfd ++; - } - if (cfd < 2) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d no faTable entry for the pair", - getpid()); - return -1; - } - - /* tell the type of connections to establish: - If the server is on the same host, then UNIX socket is used */ - if (address[0] == 0) { - csocktype = CONN_UNIX; - dsocktype = CONN_UNIX; - } - else if (!strncasecmp(address, "atm:", 4)) { - address += 4; - csocktype = CONN_ATM; - dsocktype = CONN_ATM; - } - else if (!strncasecmp(address, "datm:", 5)) { - address += 5; - csocktype = CONN_INET; - dsocktype = CONN_ATM; - } - else { - csocktype = CONN_INET; - dsocktype = CONN_INET; - } - if (csocktype == CONN_INET || dsocktype == CONN_INET) { - struct hostent *hp; - char hostname[100]; - addressIn.sin_family = AF_INET; - if (!strncasecmp(address, "inet:", 5)) { - address += 5; - } - if (isascii(address[0]) && isdigit(address[0])) - addressIn.sin_addr.s_addr = inet_addr(address); - else { - if ((hp = gethostbyname(address)) == NULL) { /* No such host! */ - fprintf(stderr, - "Error ComOpenConnPair: pid %d host %s can't be found:", - getpid(), address); - perror(""); - return -1; - } - if (hp->h_addrtype != AF_INET) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d host %s is not of INET type address.\n", - getpid(), address); - return -1; - } - memcpy((char *)&addressIn.sin_addr.s_addr, (char *)hp->h_addr, - sizeof(addressIn.sin_addr.s_addr)); - /* - bcopy((char *)hp->h_addr, (char *)&addressIn.sin_addr.s_addr, - sizeof(addressIn.sin_addr.s_addr)); - */ - } - if (get_hostname(hostname, 100)) { - fprintf(stderr, "Error ComOpenConnPair: pid %d failed to get_hostname:", - getpid()); - perror(""); - return -1; - } - if ((hp = gethostbyname(hostname)) == NULL) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed to its own IP address:", - getpid()); - perror(""); - return -1; - } - if (hp->h_addrtype != AF_INET) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d own address is not INET type", - getpid()); - return -1; - } - - if (!memcmp((char *)hp->h_addr, (char *)&addressIn.sin_addr.s_addr, - sizeof(addressIn.sin_addr.s_addr))) { - if (csocktype == CONN_INET) csocktype = CONN_UNIX; - if (dsocktype == CONN_INET) dsocktype = CONN_UNIX; - } - } - - /* build appropriate type of Connections to Server */ - if (csocktype == CONN_UNIX && dsocktype == CONN_UNIX) { - /* build UNIX connection to server */ - addressUn.sun_family = AF_UNIX; - strncpy(addressUn.sun_path, unix_port, - sizeof(struct sockaddr_un) - sizeof(short)); - cfd = socket(AF_UNIX, SOCK_STREAM, 0); - if (cfd == -1) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed to open UNIX cfd:", - getpid()); - perror(""); - return -1; - } - usleep(10000); /* this is for waiting for the uncaught signal mentioned - below */ - if (connect(cfd, (struct sockaddr *)&addressUn, sizeof(addressUn)) == -1) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed to conn UNIX cfd to server:", - getpid()); - perror(""); - i = -3; /* I don't understand why when connect() returns EINTR, the connection - is still built, and the other end can still get what written at - this end, 'i = -3' is a garbage to be written. */ - write(cfd, &i, 4); - close(cfd); - return -1; - } - if (time_write_int(cfd, -1) == -1 || time_read_int(cfd, &i) == -1) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed to write -1 to UNIX cfd:", - getpid()); - perror(""); - close(cfd); - return -1; - } - - dfd = socket(AF_UNIX, SOCK_STREAM, 0); - if (dfd == -1) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed to open UNIX dfd:", - getpid()); - perror(""); - close(cfd); - return -1; - } - usleep(10000); - if (connect(dfd, (struct sockaddr *)&addressUn, sizeof(addressUn)) == -1) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed to conn UNIX dfd to server:", - getpid()); - perror(""); - i = -3; - write(dfd, &i, 4); - close(cfd); - close(dfd); - return -1; - } - if (time_write_int(dfd, i) == -1) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed to write (cfd) to UNIX dfd:", - getpid()); - perror(""); - close(cfd); - close(dfd); - return -1; - } - *max_pkt_size = 0; - } - else if (csocktype == CONN_INET && dsocktype == CONN_INET) { - /* build TCP connection to server */ - addressIn.sin_port = htons(inet_port); - cfd = socket(AF_INET, SOCK_STREAM, 0); - if (cfd == -1) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed to open TCP cfd:", - getpid()); - perror(""); - return -1; - } - usleep(10000); - if (connect(cfd, (struct sockaddr *)&addressIn, sizeof(addressIn)) == -1) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed to conn TCP cfd to server:", - getpid()); - perror(""); - i = -3; - write(cfd, &i, 4); - close(cfd); - return -1; - } - if (conn_tag) { /* create a second connection with server */ - if (time_write_int(cfd, -1) == -1 || time_read_int(cfd, &i) == -1) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed to write -1 to TCP cfd:", - getpid()); - perror(""); - close(cfd); - return -1; - } - dfd = socket(AF_INET, SOCK_STREAM, 0); - if (dfd == -1) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed to open TCP dfd:", - getpid()); - perror(""); - close(cfd); - return -1; - } - usleep(10000); - if (connect(dfd, (struct sockaddr *)&addressIn, sizeof(addressIn)) == -1) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed to conn TCP dfd to server:", - getpid()); - perror(""); - i = -3; - write(dfd, &i, 4); - close(cfd); - close(dfd); - return -1; - } - if (time_write_int(dfd, i) == -1) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed to write (cfd) to TCP dfd:", - getpid()); - perror(""); - close(cfd); - close(dfd); - return -1; - } - *max_pkt_size = 0; - } - else { /* create a UDP socket for data */ - // Write a byte saying that we are a audio client. - - if (time_write_int(cfd,CmdINITaudio) == -1) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed to write -2 to TCP cfd:", - getpid()); - perror(""); - close(cfd); - close(dfd); - return -1; - } - - dfd = socket(AF_INET, SOCK_DGRAM, 0); - if (dfd == -1) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed to open UDP dfd:", - getpid()); - perror(""); - close(cfd); - return -1; - } - memset((char *)&addressIn, 0, sizeof(addressIn)); - - i = sizeof(addressIn); - if (getsockname(cfd, (struct sockaddr *)&addressIn, &i) == -1) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed to getsocketname on TCP cfd:", - getpid()); - perror(""); - close(dfd); - close(cfd); - return -1; - } - - addressIn.sin_family = AF_INET; - addressIn.sin_port = 0; - if (bind(dfd, (struct sockaddr *)&addressIn, sizeof(addressIn)) == -1) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed to bind UDP dfd:", - getpid()); - perror(""); - close(cfd); - close(dfd); - return -1; - } - if (time_write_int(cfd, -2) == -1) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed to write -2 to TCP cfd:", - getpid()); - perror(""); - close(cfd); - close(dfd); - return -1; - } - - i = sizeof(addressIn); - if (getsockname(dfd, (struct sockaddr *)&addressIn, &i) == -1) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed to getsocketname on UDP fd:", - getpid()); - perror(""); - close(dfd); - close(cfd); - return -1; - } - if (time_write_bytes(cfd, (char *)&addressIn.sin_port, sizeof(short)) == -1) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed to write (port) to TCP cfd:", - getpid()); - perror(""); - close(dfd); - close(cfd); - return -1; - } - - fprintf(stderr, "ComOpenConnPair local UDP socket: addr - %s,%d, port - %u.\n", - inet_ntoa(addressIn.sin_addr), addressIn.sin_addr.s_addr,ntohs(addressIn.sin_port)); - - - fprintf(stderr, "ComOpenConnPair UDP port %d (should be > 0)\n", - ntohs(addressIn.sin_port)); - - - i = sizeof(addressIn); - if (getsockname(cfd, (struct sockaddr *)&addressIn, &i) == -1) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed to getsocketname on TCP cfd:", - getpid()); - perror(""); - close(dfd); - close(cfd); - return -1; - } - - if (time_write_bytes(cfd, (char *)&addressIn.sin_addr.s_addr, sizeof(int)) == -1) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed to write (IP addr) to TCP cfd:", - getpid()); - perror(""); - close(dfd); - close(cfd); - return -1; - } - - fprintf(stderr, "ComOpenConnPair TCP cfd socket: addr - %s, port - %u.\n", - inet_ntoa(addressIn.sin_addr), ntohs(addressIn.sin_port)); - - if (time_read_bytes(cfd, (char *)&addressIn.sin_port, sizeof(short)) == -1 || - time_read_bytes(cfd, (char *)&addressIn.sin_addr.s_addr, sizeof(int)) == -1) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed to read (IP addr/port) from TCP cfd:", - getpid()); - perror(""); - close(dfd); - close(cfd); - return -1; - } - usleep(10000); - if (connect(dfd, (struct sockaddr *)&addressIn, sizeof(addressIn)) == -1) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed conn UDP dfd to peer:", - getpid()); - perror(""); - close(cfd); - close(dfd); - return -1; - } - - fprintf(stderr, "ComOpenConnPair UDP dfd connects to host-%s (port %u)\n", - inet_ntoa(addressIn.sin_addr), - ntohs(addressIn.sin_port)); - -#ifndef LINUX - /* adjust the dfd REVBUF size */ - { - int len; - len = INET_SOCKET_BUFFER_SIZE + 100; - /* - if (setsockopt(dfd, SOL_SOCKET, SO_SNDBUF, (char *)&len, sizeof(len)) == -1) { - fprintf(stderr, - "Warning ComOpenConnPair: pid %d failed to set UDP dfd-snd to size %d:", - getpid(), len); - perror(""); - close(dfd); - close(cfd); - return -1; - } - */ - len = 65536; - while (setsockopt(dfd, SOL_SOCKET, SO_RCVBUF, (char *)&len, sizeof(len)) == -1) { - len -= 1024; - if (len < 8192) break; - /* - fprintf(stderr, - "Warning ComOpenConnPair: pid %d failed to set UDP dfd-rcv to size %d:", - getpid(), len); - perror(""); - close(dfd); - close(cfd); - return -1; - */ - } - if (getuid() == DEVELOPER_UID) - fprintf(stderr, "Set UDP dfd-rcv to %dB\n", len); - } -#endif - *max_pkt_size = - INET_SOCKET_BUFFER_SIZE; - /* UDP sockets on HP and SUN are discard mode */ - } - if (setsockopt(cfd, IPPROTO_TCP, TCP_NODELAY, - (const char *)&i, sizeof(i)) == -1) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed to setsockopt on TCP cfd with TCP_NODELAY:", - getpid()); - perror(""); - close(dfd); - close(cfd); - return -1; - } - } - else if (dsocktype == CONN_ATM) { /* CONN_ATM */ -#ifdef NATIVE_ATM - if (csocktype == CONN_INET) { - /* build TCP connection to server */ - addressIn.sin_port = htons(inet_port); - cfd = socket(AF_INET, SOCK_STREAM, 0); - if (cfd == -1) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed to open TCP1 cfd:", - getpid()); - perror(""); - return -1; - } - usleep(10000); - if (connect(cfd, (struct sockaddr *)&addressIn, sizeof(addressIn)) == -1) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed to conn TCP1 cfd to server:", - getpid()); - perror(""); - i = -3; - write(cfd, &i, 4); - close(cfd); - return -1; - } - } - else if (csocktype == CONN_UNIX) { - /* build UNIX connection to server */ - addressUn.sun_family = AF_UNIX; - strncpy(addressUn.sun_path, unix_port, - sizeof(struct sockaddr_un) - sizeof(short)); - cfd = socket(AF_UNIX, SOCK_STREAM, 0); - if (cfd == -1) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed to open UNIX1 cfd:", - getpid()); - perror(""); - return -1; - } - usleep(10000); /* this is for waiting for the uncaught signal mentioned - below */ - if (connect(cfd, (struct sockaddr *)&addressUn, sizeof(addressUn)) == -1) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed to conn UNIX1 cfd to server:", - getpid()); - perror(""); - i = -3; /* I don't understand why when select() returns EINTR, the connection - is still built, and the other end can still get what written at - this end, 'i = -3' is a garbage to be written. */ - write(cfd, &i, 4); - close(cfd); - return -1; - } - } - else { /* CONN_ATM */ - cfd = ATMopenConn(address, max_pkt_size); - if (cfd == -1) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed to open ATM cfd conn:", - getpid()); - perror(""); - return -1; - } - usleep(100000); /* be nice to buggy ATM driver */ - } - if (time_write_int(cfd, -1) == -1 || time_read_int(cfd, &i) == -1) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed to write -1 to %s cfd:", - getpid(), - (csocktype == CONN_UNIX) ? "UNIX1" : - (csocktype == CONN_INET) ? "INET1" : "ATM"); - perror(""); - if (csocktype == CONN_ATM) ATMcloseConn(cfd); - else close(cfd); - return -1; - } - - dfd = ATMopenConn(address, max_pkt_size); - if (dfd == -1) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed to open ATM dfd conn:", - getpid()); - perror(""); - ATMcloseConn(cfd); - return -1; - } - usleep(100000); /* be nice to buggy ATM driver */ - if (time_write_int(dfd, i) == -1) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed to write (cfd) to ATM dfd:", - getpid()); - perror(""); - ATMcloseConn(cfd); - ATMcloseConn(dfd); - return -1; - } -#else - fprintf(stderr, - "Error ComOpenConnPair: pid %d addresstype %d not supported\n", - getpid(), dsocktype); - return -1; -#endif - } - for (i = 0; i < size; i ++) { /* guaranteed to succeed */ - if (fdTable[i].fd == -1) break; - } - if (i < size) { - fdTable[i].fd = cfd; - fdTable[i].type = csocktype; - fdTable[i].stime = get_sec(); - fdTable[i].state = STATE_CONTROL; - } - else { - fprintf(stderr, "<Weird>Error ComOpenConnPair: no entry for cfd %d\n", cfd); - return -1; - } - for (; i < size; i ++) { - if (fdTable[i].fd == -1) break; - } - if (i < size) { - fdTable[i].fd = dfd; - fdTable[i].type = dsocktype; - fdTable[i].stime = get_sec(); - fdTable[i].state = STATE_DATA; - } - else { - fprintf(stderr, "<Wierd>Error ComOpenConnPair: no entry for dfd %d\n", dfd); - return -1; - } - *ctr_fd = cfd; - *data_fd = dfd; - ACE_DEBUG ((LM_DEBUG,"(%P|%t)Returning from ComOpenConnpair\n")); - return 0; -} - -/* address format: [ATM:|INET:]real_address | "" - - "" -- UNIX socket, reliable byte stream - [INET:]real_address -- INET sockets, reliable control byte stream, and - *max_pkt_size == 0 : reliable data byte stream, or - != 0 : unreliable packet stream; - ATM:real_address -- ATM sockets, both data and control are - unreliable packet streams; - DATM:real_address -- INET/UNIX control reliable byte stream - and ATM unreliable byte stream; - - Communication between client and server: - - ctr_fd: client --> server server --> client - -2: conn-less INET Open udp sock, send addr in net byte order - <port, addr> <port(short), addr(long)> - -1: conn-orient Send value of fd, wait to be paired - cfd>=0: data sock Paired with cfd and return. - */ - -#if 0 -int VideoComOpenConnPair (char * address, - int *ctr_fd, - int *data_fd, - int *max_pkt_size) -{ - int i; - int cfd, dfd, csocktype, dsocktype; - int conn_tag = !(*max_pkt_size); - struct sockaddr_in addressIn; - struct sockaddr_un addressUn; - - ACE_DEBUG ((LM_DEBUG, - "%s %d\n", - __FILE__,__LINE__)); - - if (!size) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d not done ComInitClient/Server yet.\n", - getpid()); - return -1; - } - - cfd = 0; - for (i = 0; i < size; i ++) { - if (fdTable[i].fd == -1) cfd ++; - } - if (cfd < 2) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d no faTable entry for the pair", - getpid()); - return -1; - } - - /* tell the type of connections to establish: - If the server is on the same host, then UNIX socket is used */ - if (address[0] == 0) { - csocktype = CONN_UNIX; - dsocktype = CONN_UNIX; - } - else if (!strncasecmp(address, "atm:", 4)) { - address += 4; - csocktype = CONN_ATM; - dsocktype = CONN_ATM; - } - else if (!strncasecmp(address, "datm:", 5)) { - address += 5; - csocktype = CONN_INET; - dsocktype = CONN_ATM; - } - else { - csocktype = CONN_INET; - dsocktype = CONN_INET; - } - if (csocktype == CONN_INET || dsocktype == CONN_INET) { - struct hostent *hp; - char hostname[100]; - addressIn.sin_family = AF_INET; - if (!strncasecmp(address, "inet:", 5)) { - address += 5; - } - if (isascii(address[0]) && isdigit(address[0])) - addressIn.sin_addr.s_addr = inet_addr(address); - else { - if ((hp = gethostbyname(address)) == NULL) { /* No such host! */ - fprintf(stderr, - "Error ComOpenConnPair: pid %d host %s can't be found:", - getpid(), address); - perror(""); - return -1; - } - if (hp->h_addrtype != AF_INET) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d host %s is not of INET type address.\n", - getpid(), address); - return -1; - } - memcpy((char *)&addressIn.sin_addr.s_addr, (char *)hp->h_addr, - sizeof(addressIn.sin_addr.s_addr)); - /* - bcopy((char *)hp->h_addr, (char *)&addressIn.sin_addr.s_addr, - sizeof(addressIn.sin_addr.s_addr)); - */ - } - if (get_hostname(hostname, 100)) { - fprintf(stderr, "Error ComOpenConnPair: pid %d failed to get_hostname:", - getpid()); - perror(""); - return -1; - } - if ((hp = gethostbyname(hostname)) == NULL) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed to its own IP address:", - getpid()); - perror(""); - return -1; - } - if (hp->h_addrtype != AF_INET) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d own address is not INET type", - getpid()); - return -1; - } - - if (!memcmp((char *)hp->h_addr, (char *)&addressIn.sin_addr.s_addr, - sizeof(addressIn.sin_addr.s_addr))) { - if (csocktype == CONN_INET) csocktype = CONN_UNIX; - if (dsocktype == CONN_INET) dsocktype = CONN_UNIX; - } - } - - /* build appropriate type of Connections to Server */ - - if (csocktype == CONN_INET && dsocktype == CONN_INET) { - /* build TCP connection to server */ - addressIn.sin_port = htons(inet_port); - cfd = socket(AF_INET, SOCK_STREAM, 0); - if (cfd == -1) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed to open TCP cfd:", - getpid()); - perror(""); - return -1; - } - usleep(10000); - if (connect(cfd, (struct sockaddr *)&addressIn, sizeof(addressIn)) == -1) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed to conn TCP cfd to server:", - getpid()); - perror(""); - i = -3; - write(cfd, &i, 4); - close(cfd); - return -1; - } -// if (conn_tag) { /* create a second connection with server */ -// if (time_write_int(cfd, -1) == -1 || time_read_int(cfd, &i) == -1) { -// fprintf(stderr, -// "Error ComOpenConnPair: pid %d failed to write -1 to TCP cfd:", -// getpid()); -// perror(""); -// close(cfd); -// return -1; -// } - dfd = socket(AF_INET, SOCK_STREAM, 0); - if (dfd == -1) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed to open TCP dfd:", - getpid()); - perror(""); - close(cfd); - return -1; - } - usleep(10000); - if (connect(dfd, (struct sockaddr *)&addressIn, sizeof(addressIn)) == -1) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed to conn TCP dfd to server:", - getpid()); - perror(""); - i = -3; - write(dfd, &i, 4); - close(cfd); - close(dfd); - return -1; - } - if (time_write_int(dfd, i) == -1) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed to write (cfd) to TCP dfd:", - getpid()); - perror(""); - close(cfd); - close(dfd); - return -1; - } - *max_pkt_size = 0; - } - else { /* create a UDP socket for data */ - ACE_DEBUG ((LM_DEBUG, - "(%P|%t) ::VideoComOpenConnPair: making UDP connection\n")); - dfd = socket(AF_INET, SOCK_DGRAM, 0); - if (dfd == -1) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed to open UDP dfd:", - getpid()); - perror(""); - close(cfd); - return -1; - } - memset((char *)&addressIn, 0, sizeof(addressIn)); - - i = sizeof(addressIn); - if (getsockname(cfd, (struct sockaddr *)&addressIn, &i) == -1) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed to getsocketname on TCP cfd:", - getpid()); - perror(""); - close(dfd); - close(cfd); - return -1; - } - -// addressIn.sin_family = AF_INET; -// addressIn.sin_port = 0; -// if (bind(dfd, (struct sockaddr *)&addressIn, sizeof(addressIn)) == -1) { -// fprintf(stderr, -// "Error ComOpenConnPair: pid %d failed to bind UDP dfd:", -// getpid()); -// perror(""); -// close(cfd); -// close(dfd); -// return -1; -// } -// if (time_write_int(cfd, -2) == -1) { -// fprintf(stderr, -// "Error ComOpenConnPair: pid %d failed to write -2 to TCP cfd:", -// getpid()); -// perror(""); -// close(cfd); -// close(dfd); -// return -1; -// } - -// i = sizeof(addressIn); -// if (getsockname(dfd, (struct sockaddr *)&addressIn, &i) == -1) { -// fprintf(stderr, -// "Error ComOpenConnPair: pid %d failed to getsocketname on UDP fd:", -// getpid()); -// perror(""); -// close(dfd); -// close(cfd); -// return -1; -// } -// if (time_write_bytes(cfd, (char *)&addressIn.sin_port, sizeof(short)) == -1) { -// fprintf(stderr, -// "Error ComOpenConnPair: pid %d failed to write (port) to TCP cfd:", -// getpid()); -// perror(""); -// close(dfd); -// close(cfd); -// return -1; -// } - -// fprintf(stderr, "ComOpenConnPair local UDP socket: addr - %s, port - %u.\n", -// inet_ntoa(addressIn.sin_addr), ntohs(addressIn.sin_port)); - - -// fprintf(stderr, "ComOpenConnPair UDP port %d (should be > 0)\n", -// ntohs(addressIn.sin_port)); - -// /* -// i = sizeof(addressIn); -// if (getsockname(cfd, (struct sockaddr *)&addressIn, &i) == -1) { -// fprintf(stderr, -// "Error ComOpenConnPair: pid %d failed to getsocketname on TCP cfd:", -// getpid()); -// perror(""); -// close(dfd); -// close(cfd); -// return -1; -// } -// */ -// if (time_write_bytes(cfd, (char *)&addressIn.sin_addr.s_addr, sizeof(int)) == -1) { -// fprintf(stderr, -// "Error ComOpenConnPair: pid %d failed to write (IP addr) to TCP cfd:", -// getpid()); -// perror(""); -// close(dfd); -// close(cfd); -// return -1; -// } - -// fprintf(stderr, "ComOpenConnPair TCP cfd socket: addr - %s, port - %u.\n", -// inet_ntoa(addressIn.sin_addr), ntohs(addressIn.sin_port)); - -// if (time_read_bytes(cfd, (char *)&addressIn.sin_port, sizeof(short)) == -1 || -// time_read_bytes(cfd, (char *)&addressIn.sin_addr.s_addr, sizeof(int)) == -1) { -// fprintf(stderr, -// "Error ComOpenConnPair: pid %d failed to read (IP addr/port) from TCP cfd:", -// getpid()); -// perror(""); -// close(dfd); -// close(cfd); - // return -1; - // } - // usleep(10000); - // if (connect(dfd, (struct sockaddr *)&addressIn, sizeof(addressIn)) == -1) { - // fprintf(stderr, - // "Error ComOpenConnPair: pid %d failed conn UDP dfd to peer:", - // getpid()); - // perror(""); - // close(cfd); - // close(dfd); - // return -1; - // } - - fprintf(stderr, "ComOpenConnPair UDP dfd connects to host-%s (port %u)\n", - inet_ntoa(addressIn.sin_addr), - ntohs(addressIn.sin_port)); - -#ifndef LINUX - /* adjust the dfd REVBUF size */ - { - int len; - len = INET_SOCKET_BUFFER_SIZE + 100; - /* - if (setsockopt(dfd, SOL_SOCKET, SO_SNDBUF, (char *)&len, sizeof(len)) == -1) { - fprintf(stderr, - "Warning ComOpenConnPair: pid %d failed to set UDP dfd-snd to size %d:", - getpid(), len); - perror(""); - close(dfd); - close(cfd); - return -1; - } - */ - len = 65536; - while (setsockopt(dfd, SOL_SOCKET, SO_RCVBUF, (char *)&len, sizeof(len)) == -1) { - len -= 1024; - if (len < 8192) break; - /* - fprintf(stderr, - "Warning ComOpenConnPair: pid %d failed to set UDP dfd-rcv to size %d:", - getpid(), len); - perror(""); - close(dfd); - close(cfd); - return -1; - */ - } - if (getuid() == DEVELOPER_UID) - fprintf(stderr, "Set UDP dfd-rcv to %dB\n", len); - } -#endif - *max_pkt_size = - INET_SOCKET_BUFFER_SIZE; - /* UDP sockets on HP and SUN are discard mode */ - } - if (setsockopt(cfd, IPPROTO_TCP, TCP_NODELAY, - (const char *)&i, sizeof(i)) == -1) { - fprintf(stderr, - "Error ComOpenConnPair: pid %d failed to setsockopt on TCP cfd with TCP_NODELAY:", - getpid()); - perror(""); - close(dfd); - close(cfd); - return -1; - } - // } -// else if (dsocktype == CONN_ATM) { /* CONN_ATM */ -// #ifdef NATIVE_ATM -// if (csocktype == CONN_INET) { -// /* build TCP connection to server */ -// addressIn.sin_port = htons(inet_port); -// cfd = socket(AF_INET, SOCK_STREAM, 0); -// if (cfd == -1) { -// fprintf(stderr, -// "Error ComOpenConnPair: pid %d failed to open TCP1 cfd:", -// getpid()); -// perror(""); -// return -1; -// } -// usleep(10000); -// if (connect(cfd, (struct sockaddr *)&addressIn, sizeof(addressIn)) == -1) { -// fprintf(stderr, -// "Error ComOpenConnPair: pid %d failed to conn TCP1 cfd to server:", -// getpid()); -// perror(""); -// i = -3; -// write(cfd, &i, 4); -// close(cfd); -// return -1; -// } -// } -// else if (csocktype == CONN_UNIX) { -// /* build UNIX connection to server */ -// addressUn.sun_family = AF_UNIX; -// strncpy(addressUn.sun_path, unix_port, -// sizeof(struct sockaddr_un) - sizeof(short)); -// cfd = socket(AF_UNIX, SOCK_STREAM, 0); -// if (cfd == -1) { -// fprintf(stderr, -// "Error ComOpenConnPair: pid %d failed to open UNIX1 cfd:", -// getpid()); -// perror(""); -// return -1; -// } -// usleep(10000); /* this is for waiting for the uncaught signal mentioned -// below */ -// if (connect(cfd, (struct sockaddr *)&addressUn, sizeof(addressUn)) == -1) { -// fprintf(stderr, -// "Error ComOpenConnPair: pid %d failed to conn UNIX1 cfd to server:", -// getpid()); -// perror(""); -// i = -3; /* I don't understand why when select() returns EINTR, the connection -// is still built, and the other end can still get what written at -// this end, 'i = -3' is a garbage to be written. */ -// write(cfd, &i, 4); -// close(cfd); -// return -1; -// } -// } -// else { /* CONN_ATM */ -// cfd = ATMopenConn(address, max_pkt_size); -// if (cfd == -1) { -// fprintf(stderr, -// "Error ComOpenConnPair: pid %d failed to open ATM cfd conn:", -// getpid()); -// perror(""); -// return -1; -// } -// usleep(100000); /* be nice to buggy ATM driver */ -// } -// if (time_write_int(cfd, -1) == -1 || time_read_int(cfd, &i) == -1) { -// fprintf(stderr, -// "Error ComOpenConnPair: pid %d failed to write -1 to %s cfd:", -// getpid(), -// (csocktype == CONN_UNIX) ? "UNIX1" : -// (csocktype == CONN_INET) ? "INET1" : "ATM"); -// perror(""); -// if (csocktype == CONN_ATM) ATMcloseConn(cfd); -// else close(cfd); -// return -1; -// } - -// dfd = ATMopenConn(address, max_pkt_size); -// if (dfd == -1) { -// fprintf(stderr, -// "Error ComOpenConnPair: pid %d failed to open ATM dfd conn:", -// getpid()); -// perror(""); -// ATMcloseConn(cfd); -// return -1; -// } -// usleep(100000); /* be nice to buggy ATM driver */ -// if (time_write_int(dfd, i) == -1) { -// fprintf(stderr, -// "Error ComOpenConnPair: pid %d failed to write (cfd) to ATM dfd:", -// getpid()); -// perror(""); -// ATMcloseConn(cfd); -// ATMcloseConn(dfd); -// return -1; -// } -// #else -// fprintf(stderr, -// "Error ComOpenConnPair: pid %d addresstype %d not supported\n", -// getpid(), dsocktype); -// return -1; -// #endif -// } - for (i = 0; i < size; i ++) { /* guaranteed to succeed */ - if (fdTable[i].fd == -1) break; - } - if (i < size) { - fdTable[i].fd = cfd; - fdTable[i].type = csocktype; - fdTable[i].stime = get_sec(); - fdTable[i].state = STATE_CONTROL; - } - else { - fprintf(stderr, "<Weird>Error ComOpenConnPair: no entry for cfd %d\n", cfd); - return -1; - } - for (; i < size; i ++) { - if (fdTable[i].fd == -1) break; - } - if (i < size) { - fdTable[i].fd = dfd; - fdTable[i].type = dsocktype; - fdTable[i].stime = get_sec(); - fdTable[i].state = STATE_DATA; - } - else { - fprintf(stderr, "<Wierd>Error ComOpenConnPair: no entry for dfd %d\n", dfd); - return -1; - } - *ctr_fd = cfd; - *data_fd = dfd; - return 0; -} -#endif - -/* returns: -1 -- failed, >=0 -- fd */ -int ComOpenConn(char * address, int *max_pkt_size) -{ - int i; - int fd, socktype; - struct sockaddr_in addressIn; - struct sockaddr_un addressUn; - - if (!size) { - fprintf(stderr, - "Error ComOpenConn: pid %d not done ComInitClient/Server yet.\n", - getpid()); - return -1; - } - - fd = 0; - for (i = 0; i < size; i ++) { - if (fdTable[i].fd == -1) fd ++; - } - if (fd < 1) { - fprintf(stderr, - "Error ComOpenConn: pid %d no faTable entry for the pair", - getpid()); - return -1; - } - - /* tell the type of connections to establish: - If the server is on the same host, then UNIX socket is used */ - if (address[0] == 0) { - socktype = CONN_UNIX; - } - else if (!strncasecmp(address, "atm:", 4)) { - address += 4; - socktype = CONN_ATM; - } - else if (!strncasecmp(address, "datm:", 5)) { - address += 5; - socktype = CONN_ATM; - } - else { - socktype = CONN_INET; - } - if (socktype == CONN_INET) { - struct hostent *hp; - char hostname[100]; - addressIn.sin_family = AF_INET; - if (!strncasecmp(address, "inet:", 5)) { - address += 5; - } - if (isascii(address[0]) && isdigit(address[0])) - addressIn.sin_addr.s_addr = inet_addr(address); - else { - if ((hp = gethostbyname(address)) == NULL) { /* No such host! */ - fprintf(stderr, - "Error ComOpenConn: pid %d host %s can't be found:", - getpid(), address); - perror(""); - return -1; - } - if (hp->h_addrtype != AF_INET) { - fprintf(stderr, - "Error ComOpenConn: pid %d host %s is not of INET type address.\n", - getpid(), address); - return -1; - } - memcpy((char *)&addressIn.sin_addr.s_addr, (char *)hp->h_addr, - sizeof(addressIn.sin_addr.s_addr)); - /* - bcopy((char *)hp->h_addr, (char *)&addressIn.sin_addr.s_addr, - sizeof(addressIn.sin_addr.s_addr)); - */ - } - if (get_hostname(hostname, 100)) { - fprintf(stderr, "Error ComOpenConn: pid %d failed to get_hostname:", - getpid()); - perror(""); - return -1; - } - if ((hp = gethostbyname(hostname)) == NULL) { - fprintf(stderr, - "Error ComOpenConn: pid %d failed to its own IP address:", - getpid()); - perror(""); - return -1; - } - if (hp->h_addrtype != AF_INET) { - fprintf(stderr, - "Error ComOpenConn: pid %d own address is not INET type", - getpid()); - return -1; - } - - if (!memcmp((char *)hp->h_addr, (char *)&addressIn.sin_addr.s_addr, - sizeof(addressIn.sin_addr.s_addr))) { - if (socktype == CONN_INET) socktype = CONN_UNIX; - } - } - - /* build appropriate type of Connections to Server */ - if (socktype == CONN_UNIX) { - /* build UNIX connection to server */ - addressUn.sun_family = AF_UNIX; - strncpy(addressUn.sun_path, unix_port, - sizeof(struct sockaddr_un) - sizeof(short)); - fd = socket(AF_UNIX, SOCK_STREAM, 0); - if (fd == -1) { - fprintf(stderr, - "Error ComOpenConn: pid %d failed to open UNIX fd:", - getpid()); - perror(""); - return -1; - } - if (connect(fd, (struct sockaddr *)&addressUn, sizeof(addressUn)) == -1) { - fprintf(stderr, - "Error ComOpenConn: pid %d failed to conn UNIX fd to server:", - getpid()); - perror(""); - close(fd); - return -1; - } - *max_pkt_size = 0; - } - else if (socktype == CONN_INET) { - /* build TCP connection to server */ - addressIn.sin_port = htons(inet_port); - fd = socket(AF_INET, SOCK_STREAM, 0); - if (fd == -1) { - fprintf(stderr, - "Error ComOpenConn: pid %d failed to open TCP fd:", - getpid()); - perror(""); - return -1; - } - if (connect(fd, (struct sockaddr *)&addressIn, sizeof(addressIn)) == -1) { - fprintf(stderr, - "Error ComOpenConn: pid %d failed to conn TCP fd to server:", - getpid()); - perror(""); - close(fd); - return -1; - } - if (setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, - (const char *)&i, sizeof(i)) == -1) { - fprintf(stderr, - "Error ComOpenConn: pid %d failed to setsockopt on TCP fd with TCP_NODELAY:", - getpid()); - perror(""); - close(fd); - return -1; - } - *max_pkt_size = 0; - } - else if (socktype == CONN_ATM) { /* CONN_ATM */ -#ifdef NATIVE_ATM - /* CONN_ATM */ - fd = ATMopenConn(address, max_pkt_size); - if (fd == -1) { - fprintf(stderr, - "Error ComOpenConn: pid %d failed to open ATM fd conn:", - getpid()); - perror(""); - return -1; - } -#else - fprintf(stderr, - "Error ComOpenConn: pid %d addresstype %d not supported\n", - getpid(), socktype); - return -1; -#endif - } - for (i = 0; i < size; i ++) { /* guaranteed to succeed */ - if (fdTable[i].fd == -1) break; - } - if (i < size) { - fdTable[i].fd = fd; - fdTable[i].type = socktype; - fdTable[i].stime = get_sec(); - fdTable[i].state = STATE_SINGLE; - return fd; - } - else { - fprintf(stderr, "<Weird>Error ComOpenConn: no entry for fd %d\n", fd); - return -1; - } -} - - -static int fd_unix, fd_inet, fd_atm; /* for use in the server side */ - - -int ComInitServer(int pinet_port, char * punix_port, char * patm_port) -{ - int i; - - struct sockaddr_in myaddr_in; - struct sockaddr_un myaddr_un; - - inet_port = pinet_port; - unix_port = punix_port; - atm_port = patm_port; - - if (size) { - fprintf(stderr, - "Error ComInitServer: pid %d already done ComInitServer/Server\n", - getpid()); - return -1; - } - size = CLIENT_FDTABLE_SIZE; - // create and initialize the File Descriptor Table - fdTable = (struct FdTable *)ACE_OS::malloc(size * sizeof(*fdTable)); - if (fdTable == NULL) { - fprintf(stderr, - "Error ComInitServer: pid %d failed to allocated fdTable space:", - getpid()); - perror(""); - return -1; - } - for (i = 0; i < size; i ++) { - fdTable[i].fd = -1; - } - // Set all the file descriptor for atm ,inet and unix to be -1 - fd_atm = fd_inet = fd_unix = -1; - - memset((char *)&myaddr_in, 0, sizeof(struct sockaddr_in)); - memset((char *)&myaddr_un, 0, sizeof(struct sockaddr_un)); - - myaddr_in.sin_family = AF_INET; - - myaddr_in.sin_addr.s_addr = htonl(INADDR_ANY); - myaddr_in.sin_port = htons((short)inet_port); - - /* setup INET listen socket */ - fd_inet = socket(AF_INET, SOCK_STREAM, 0); - if (fd_inet == -1) { - fprintf(stderr, - "Error ComInitServer: pid %d failed to open fd_inet:", - getpid()); - perror(""); - goto open_fd_unix; - } - - i = 1; - if (setsockopt(fd_inet, SOL_SOCKET, SO_REUSEADDR, - (const char *)&i, sizeof(i)) == -1) { - fprintf(stderr, - "Error ComInitServer: pid %d failed to setsockopt fd_inet with REUSEADDR:", - getpid()); - perror(""); - close(fd_inet); - fd_inet = -1; - goto open_fd_unix; - } - - if (bind(fd_inet, (struct sockaddr *)&myaddr_in, sizeof(struct sockaddr_in)) == -1) { - fprintf(stderr, - "Error ComInitServer: pid %d failed to bind fd_inet:", - getpid()); - perror(""); - close(fd_inet); - fd_inet = -1; - goto open_fd_unix; - } - if (listen(fd_inet, 2) == -1) { - fprintf(stderr, - "Error ComInitServer: pid %d failed to listen on fd_inet:", - getpid()); - perror(""); - close(fd_inet); - fd_inet = -1; - goto open_fd_unix; - } - - open_fd_unix: - - myaddr_un.sun_family = AF_UNIX; - strncpy(myaddr_un.sun_path, unix_port, - (sizeof(struct sockaddr_un) - sizeof(short))); - fd_unix = socket(AF_UNIX, SOCK_STREAM, 0); - if (fd_unix == -1) { - fprintf(stderr, - "Error ComInitServer: pid %d failed to open fd_unix:", - getpid()); - perror(""); - goto open_fd_atm; - } - if ((bind(fd_unix, (struct sockaddr *)&myaddr_un, - sizeof(struct sockaddr_un))) == -1) { - fprintf(stderr, - "Error ComInitServer: pid %d failed to bind fd_unix:", - getpid()); - perror(""); - close(fd_unix); - fd_unix = -1; - goto open_fd_atm; - } - if ((listen(fd_unix, 2)) == -1) { - fprintf(stderr, - "Error ComInitServer: pid %d failed to liston on fd_unix:", - getpid()); - perror(""); - close(fd_unix); - fd_unix = -1; - goto open_fd_atm; - } - - open_fd_atm: - -#ifdef NATIVE_ATM - fd_atm = ATMinitServer(atm_port); -#endif - - if (fd_inet >= 0 || fd_unix >= 0 || fd_atm >= 0) return 0; - else return -1; -} - -void ComCloseListen(void) -{ - if (fd_atm >= 0) { -#ifdef NATIVE_ATM - /* fd_atm is not connected to a user_plane, ignore - ATMcloseFd(fd_atm); - */ - close(fd_atm); - fd_atm = -1; -#else - fprintf(stderr, "Error ComCloseListen: CONN_ATM not supported.\n"); -#endif - } - if (fd_unix >= 0) { - close(fd_unix); - fd_unix = -1; - } - if (fd_inet >= 0) { - close(fd_inet); - fd_inet = -1; - } - return; -} - -void ComCloseServer(void) -{ - int i; - for (i = 0; i < size; i ++) { - if (fdTable[i].fd >= 0) ComCloseConn(fdTable[i].fd); - } - if (fd_atm >= 0) { -#ifdef NATIVE_ATM - /* fd_atm not connected to a user-plane, igore it - ATMcloseConn(fd_atm); - */ - close(fd_atm); - fd_atm = -1; -#else - fprintf(stderr, "Error ComCloseServer: CONN_ATM not supported.\n"); -#endif - } - if (fd_unix >= 0) { - close(fd_unix); - fd_unix = -1; - unlink(unix_port); - } - if (fd_inet >= 0) { - close(fd_inet); - fd_inet = -1; - } -#ifdef NATIVE_ATM - ATMcloseServer(); -#endif - return; -} - -static int change_option(int fd) -{ - struct linger linger = {1, 1}; - int i = 1; - if (setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, - (const char *)&i, sizeof(i)) == -1) { - fprintf(stderr, - "Error ComGetConnPair: pid %d failed to setsockopt on fd_inet:", - getpid()); - perror(""); - return -1; - } - /* data socket also NODELAY */ - if (setsockopt(fd, SOL_SOCKET, SO_LINGER, (const char *)&linger, - sizeof(linger)) == -1) { - fprintf(stderr, - "Error ComGetConnPair: pid %d failed to linger on fd_inet:", - getpid()); - perror(""); - return -1; - } - return 0; -} - -int ComGetConnPair(int *ctr_fd, int *data_fd, int *max_pkt_size) -{ - int i; - int fd, fdType; - int addrlen; - struct sockaddr_in peeraddr_in; - struct fd_set read_mask; - struct timeval tval; - int nfds; - - fd = 0; - addrlen = get_sec(); - for (i = 0; i < size; i ++) { - if (fdTable[i].fd == -1) { - fd ++; - } - else if (fdTable[i].type == STATE_PENDING && - get_duration(fdTable[i].stime, addrlen) > 10) { - fprintf(stderr, - "ComGetConnPair: pid %d closed fd %d (PENDING >= 10 sec)\n", - getpid(), fdTable[i].fd); - ComCloseConn(fdTable[i].fd); - fdTable[i].fd = -1; - fd ++; - } - } - if (fd < 2) { - fprintf(stderr, - "Error ComGetConnPair: pid %d no faTable entry for the pair", - getpid()); - return -1; - } - - FD_ZERO(&read_mask); - if (fd_inet >= 0) FD_SET(fd_inet, &read_mask); - if (fd_unix >= 0) FD_SET(fd_unix, &read_mask); - if (fd_atm >= 0) FD_SET(fd_atm, &read_mask); - - tval.tv_sec = 1; /* wait at most 1 second */ - tval.tv_usec = 0; - - - nfds = fd_inet; - if (fd_unix > nfds) nfds = fd_unix; - if (fd_atm > nfds) nfds = fd_atm; - // nfds now holds the highest numbered open file descriptor - nfds ++; // increment so that select can use o to nfds -1 no. of - // file descriptors. - errno = 0; - // fd is here used as the result of the select call -#ifdef _HPUX_SOURCE - if ((fd = select(nfds, (int *)&read_mask, NULL, NULL, &tval)) == -1) -#else - if ((fd = select(nfds, &read_mask, NULL, NULL, &tval)) == -1) -#endif - { - - if (errno == EINTR) return -1; - - fprintf(stderr, - "Error ComGetConnPair: pid %d failed on select():", - getpid()); - perror(""); - return -1; - } - if (fd == 0) return -1; /* time expire */ - - fd = -1; - // fd will be reused inside this code as the accepted socket. - if (fd == -1 && fd_unix >= 0 && FD_ISSET(fd_unix, &read_mask)) { - struct sockaddr_un peeraddr_un; - - fprintf(stderr, "Server to accept a UNIX connection.\n"); - - addrlen = sizeof(struct sockaddr_un); - fd = accept(fd_unix, (struct sockaddr *)&peeraddr_un, &addrlen); - if (fd == -1) { - fprintf(stderr, - "Error ComGetConnPair: pid %d failed to accpet on fd_unix:", - getpid()); - perror(""); - } - else fdType = CONN_UNIX; - *max_pkt_size = 0; - } - // fd here is the result of the accept for unix if fd_unix is valid - // Hence if fd_unix is present then this won't be called if the - // accept for the fd_unix succeeds. - if (fd == -1 && fd_inet >= 0 && FD_ISSET(fd_inet, &read_mask)) { - - fprintf(stderr, "Server to accept a INET connection.\n"); - - addrlen = sizeof(struct sockaddr_in); - fd = accept(fd_inet, (struct sockaddr *)&peeraddr_in, &addrlen); - if (fd == -1) { - fprintf(stderr, - "Error ComGetConnPair: pid %d failed to accpet on fd_inet:", - getpid()); - perror(""); - } - else fdType = CONN_INET; - *max_pkt_size = 0; - } - if (fd == -1 && fd_atm >= 0 && FD_ISSET(fd_atm, &read_mask)) { -#ifdef NATIVE_ATM - fd = ATMaccept(fd_atm, max_pkt_size); - fdType = CONN_ATM; -#else - fprintf(stderr, - "Error ComGetConnPair: pid %d CONN_ATM not supported.\n", - getpid()); -#endif - } - // fd = -1 implies accept failed in any of the active connections - // which came out of the select call. - if (fd == -1) return -1; - - for (i = 0; i < size; i ++) { - if (fdTable[i].fd == -1) break; - } - // Enter the accepted fd in the file descriptor Table - if (i < size) { - fdTable[i].fd = fd; - fdTable[i].type = fdType; - fdTable[i].stime = get_sec(); - } - else { - fprintf(stderr, "Weird\n"); - } - - // read the port number for the UDP socket of the client - if (time_read_int(fd, &nfds) == -1) { - fprintf(stderr, - "Error ComGetConnPair: pid %d failed to read int from %s fd:", - getpid(), - fdType == CONN_ATM ? "ATM" : - fdType == CONN_INET ? "INET" : "UNIX"); - perror(""); - ComCloseConn(fd); - return -1; - } - fprintf (stderr, - " Received int nfds = %d \n", - nfds); - // nfds holds the int read in time_read_int - // if nfds is -1 then read int error. - fprintf(stderr, "ComGetConnPair got %s fd = %d with value %d\n", - fdType == CONN_ATM ? "ATM" : - fdType == CONN_INET ? "INET" : "UNIX", - fd, nfds); - - if (nfds >= 0) { /* can be paired and return */ - // This is the success case where you got a control fd and a data fd. - fdTable[i].state = STATE_DATA; - for (i = 0; i < size; i ++) { - if (fdTable[i].fd == nfds) break; - } - if (i < size && fdTable[i].state == STATE_PENDING) { - fdTable[i].state = STATE_CONTROL; - } - else { - if (i >= 0) fprintf(stderr, "<Weird> i %d\n", i); - ComCloseConn(fd); - return -1; - } - // ???? - *ctr_fd = fdTable[i].fd; - *data_fd = fd; - return 0; - } - else if (nfds == -1) { /* wait to be paired */ - fdTable[i].state = STATE_PENDING; - // fd is the inet or unix accepted socket. - // why is anyone writing the fd to the peer? - // looks like he is indicating an error to the client!! - // is this a hack ;-( - if (time_write_int(fd, fd) == -1) { - fprintf(stderr, - "Error ComGetConnPair: pid %d failed to write (fd) to %s fd:", - getpid(), - fdType == CONN_ATM ? "ATM" : - fdType == CONN_INET ? "INET" : "UNIX"); - perror(""); - ComCloseConn(fd); - return -1; - } - if (fdType == CONN_INET && change_option(fd) == -1) { - ComCloseConn(fd); - } - return -1; - } - else if (nfds == -2) { /* inet case only, UDP data sock is requested */ - int dfd; - struct sockaddr_in * in = &(peeraddr_in); - - fdTable[i].state = STATE_CONTROL; - - if (fdType == CONN_INET && change_option(fd) == -1) { - fprintf(stderr, - "Error ComGetConnPair: pid %d failed to change options of TCP cfd:", - getpid()); - ComCloseConn(fd); - return -1; - } - - dfd = socket(AF_INET, SOCK_DGRAM, 0); - if (dfd == -1) { - fprintf(stderr, - "Error ComGetConnPair: pid %d failed to open dfd:", - getpid()); - perror(""); - ComCloseConn(fd); - return -1; - } - memset((char *)in, 0, sizeof(* in)); - - addrlen = sizeof(*in); - if (getsockname(fd, (struct sockaddr *)in, &addrlen) == -1) { - fprintf(stderr, - "Error ComGetConnPair: pid %d failed to getsockname of fd:", - getpid()); - perror(""); - ComCloseConn(fd); - close(dfd); - return -1; - } - - in->sin_family = AF_INET; - in->sin_port = 0; - /* - in->sin_addr.s_addr = htonl(INADDR_ANY); - */ - if (bind(dfd, (struct sockaddr *)in, sizeof(* in)) == -1) { - fprintf(stderr, - "Error ComGetConnPair: pid %d failed to bind dfd:", - getpid()); - perror(""); - ComCloseConn(fd); - close(dfd); - return -1; - } - addrlen = sizeof(*in); - if (getsockname(dfd, (struct sockaddr *)in, &addrlen) == -1) { - fprintf(stderr, - "Error ComGetConnPair: pid %d failed to getsockname of dfd:", - getpid()); - perror(""); - ComCloseConn(fd); - close(dfd); - return -1; - } - if (time_write_bytes(fd, (char *)&in->sin_port, sizeof(short)) == -1) { - fprintf(stderr, - "Error ComGetConnPair: pid %d failed to write (dfd.port) to fd:", - getpid()); - perror(""); - ComCloseConn(fd); - close(dfd); - return -1; - } - /* - addrlen = sizeof(*in); - if (getsockname(fd, (struct sockaddr *)in, &addrlen) == -1) { - fprintf(stderr, - "Error ComGetConnPair: pid %d failed to getsockname of fd:", - getpid()); - perror(""); - ComCloseConn(fd); - close(dfd); - return -1; - } - */ - if (time_write_bytes(fd, (char *)&in->sin_addr.s_addr, sizeof(int)) == -1) { - fprintf(stderr, - "Error ComGetConnPair: pid %d failed to write (dfd.IPaddr) to fd:", - getpid()); - perror(""); - ComCloseConn(fd); - close(dfd); - return -1; - } - - fprintf(stderr, "ComGetConnPair local UDP socket: addr - %s, port - %u.\n", - inet_ntoa(in->sin_addr), ntohs(in->sin_port)); - - if (time_read_bytes(fd, (char *)&in->sin_port, sizeof(short)) == -1 || - time_read_bytes(fd, (char *)&in->sin_addr.s_addr, sizeof(int)) == -1) { - fprintf(stderr, - "Error ComGetConnPair: pid %d failed to read (port, IPaddr) from fd:", - getpid()); - perror(""); - ComCloseConn(fd); - close(dfd); - return -1; - } - usleep(10000); - if (connect(dfd, (struct sockaddr *)in, sizeof(*in)) == -1) { - fprintf(stderr, - "Error ComGetConnPair: pid %d failed conn UDP dfd to peer:", - getpid()); - perror(""); - ComCloseConn(fd); - close(dfd); - return -1; - } -#if 0 - { - int len; - len = 65536; /* INET_SOCKET_BUFFER_SIZE + 100; */ - /* - if (setsockopt(dfd, SOL_SOCKET, SO_SNDBUF, (char *)&len, sizeof(len)) == -1) { - fprintf(stderr, - "Error ComGetConnPair: pid %d failed to set UDP dfd-snd to size %d:", - getpid(), len); - perror(""); - ComCloseConn(fd); - close(dfd); - return -1; - } - */ - len = 65536; - while (setsockopt(dfd, SOL_SOCKET, SO_RCVBUF, (char *)&len, sizeof(len)) == -1) { - len -= 1024; - if (len < 8192) break; - /* - fprintf(stderr, - "Warning ComGetConnPair: pid %d failed to set UDP dfd-rcv to size %d:", - getpid(), len); - perror(""); - ComCloseConn(fd); - close(dfd); - return -1; - */ - } - if (getuid() == DEVELOPER_UID) - fprintf(stderr,"Set UDP dfd-rcv to %dB\n", len); - } -#endif - // Most common return case where the server creates a UDP socket , - // writes the port and ip addr and also gets the client's UDP - // endpoint . - *max_pkt_size = - INET_SOCKET_BUFFER_SIZE; /* UDP sockets on HP and SUN - are known to be discard mode */ - - fprintf(stderr, "ComGetConnPair UDP dfd connects to host-%s (port %u)\n", - inet_ntoa(in->sin_addr), ntohs(in->sin_port)); - - for (i = 0; i < size; i ++) { - if (fdTable[i].fd == -1) break; - } - if (i < size) { - fdTable[i].fd = dfd; - fdTable[i].type = CONN_INET; - fdTable[i].stime = get_sec(); - fdTable[i].state = STATE_DATA; - - *ctr_fd = fd; - *data_fd = dfd; - return 0; - } - else { - fprintf(stderr, "ComGetConnPair <Weird>: no space left\n"); - return -1; - } - } - else { - fprintf(stderr, - "Error ComGetConnPair: pid %d get invalid value %d from fd\n", - getpid(), nfds); - ComCloseConn(fd); - } - return -1; -} - -/* returns: -1 -- failed, >= 0 -- fd */ -int ComGetConn(int *max_pkt_size) -{ - int i; - int fd, fdType; - int addrlen; - struct fd_set read_mask; - struct timeval tval; - int nfds; - - fd = 0; - for (i = 0; i < size; i ++) { - if (fdTable[i].fd == -1) { - fd ++; - } - } - if (fd < 1) { - fprintf(stderr, - "Error ComGetConn: pid %d no faTable entry for the pair", - getpid()); - return -1; - } - - FD_ZERO(&read_mask); - if (fd_inet >= 0) FD_SET(fd_inet, &read_mask); - if (fd_unix >= 0) FD_SET(fd_unix, &read_mask); - if (fd_atm >= 0) FD_SET(fd_atm, &read_mask); - - tval.tv_sec = 1; /* wait at most 1 second */ - tval.tv_usec = 0; - - nfds = fd_inet; - if (fd_unix > nfds) nfds = fd_unix; - if (fd_atm > nfds) nfds = fd_atm; - nfds ++; - errno = 0; -#ifdef _HPUX_SOURCE - if ((fd = select(nfds, (int *)&read_mask, NULL, NULL, &tval)) == -1) -#else - if ((fd = select(nfds, &read_mask, NULL, NULL, &tval)) == -1) -#endif - { - - if (errno == EINTR) return -1; - - fprintf(stderr, - "Error ComGetConn: pid %d failed on select():", - getpid()); - perror(""); - return -1; - } - if (fd == 0) return -1; /* time expire */ - - fd = -1; - - if (fd == -1 && fd_unix >= 0 && FD_ISSET(fd_unix, &read_mask)) { - struct sockaddr_un peeraddr_un; - - fprintf(stderr, "Server to accept a UNIX connection.\n"); - - addrlen = sizeof(struct sockaddr_un); - fd = accept(fd_unix, (struct sockaddr *)&peeraddr_un, &addrlen); - if (fd == -1) { - fprintf(stderr, - "Error ComGetConn: pid %d failed to accpet on fd_unix:", - getpid()); - perror(""); - } - else fdType = CONN_UNIX; - *max_pkt_size = 0; - } - if (fd == -1 && fd_inet >= 0 && FD_ISSET(fd_inet, &read_mask)) { - struct sockaddr_in peeraddr_in; - - fprintf(stderr, "Server to accept a INET connection.\n"); - - addrlen = sizeof(struct sockaddr_in); - fd = accept(fd_inet, (struct sockaddr *)&peeraddr_in, &addrlen); - if (fd == -1) { - fprintf(stderr, - "Error ComGetConn: pid %d failed to accpet on fd_inet:", - getpid()); - perror(""); - } - else fdType = CONN_INET; - *max_pkt_size = 0; - } - if (fd == -1 && fd_atm >= 0 && FD_ISSET(fd_atm, &read_mask)) { -#ifdef NATIVE_ATM - fd = ATMaccept(fd_atm, max_pkt_size); - fdType = CONN_ATM; -#else - fprintf(stderr, - "Error ComGetConn: pid %d CONN_ATM not supported.\n", - getpid()); -#endif - } - if (fd == -1) return -1; - - for (i = 0; i < size; i ++) { - if (fdTable[i].fd == -1) break; - } - if (i < size) { - fdTable[i].fd = fd; - fdTable[i].type = fdType; - fdTable[i].stime = get_sec(); - fdTable[i].state = STATE_SINGLE; - return fd; - } - else { - fprintf(stderr, "Weird\n"); - ComCloseConn(fd); - return -1; - } -} |