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+/*
+ * Dlt Client test utilities - 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-test-stress.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> /* for isprint() */
+#include <errno.h>
+#include <stdio.h> /* for printf() and fprintf() */
+#include <stdlib.h> /* for atoi() and exit() */
+#include <string.h> /* for memset() */
+#include <unistd.h> /* for close() */
+#include <pthread.h> /* POSIX Threads */
+
+#include "dlt.h"
+#include "dlt_common.h" /* for dlt_get_version() */
+
+DltContext mycontext[9999];
+
+typedef struct
+{
+ int num;
+} thread_data_t;
+
+#define STRESS1_NUM_CONTEXTS 3000
+#define STRESS2_MAX_NUM_THREADS 256
+#define STRESS3_MAX_NUM_MESSAGES 512
+
+#define MAX_TESTS 3
+
+void stress1(void);
+
+void stress2(void);
+void thread_function(void *ptr);
+
+void stress3(void);
+
+/**
+ * Print usage information of tool.
+ */
+void usage()
+{
+ char version[255];
+
+ dlt_get_version(version);
+
+ printf("Usage: dlt-test-stress [options]\n");
+ printf("Test application executing several stress tests.\n");
+ printf("%s \n", version);
+ printf("Options:\n");
+ printf(" -v Verbose mode\n");
+ printf(" -f filename Use local log file instead of sending to daemon\n");
+ printf(" -1 Execute test 1 (register/unregister many contexts)\n");
+ printf(" -2 Execute test 2 (multiple threads logging data)\n");
+ printf(" -3 Execute test 3 (logging much data)\n");
+}
+
+/**
+ * Main function of tool.
+ */
+int main(int argc, char* argv[])
+{
+ int vflag = 0;
+ char *fvalue = 0;
+ int test[MAX_TESTS];
+
+ int i,c,help;
+
+ for (i=0;i<MAX_TESTS;i++)
+ {
+ test[i]=0;
+ }
+
+ opterr = 0;
+
+ while ((c = getopt (argc, argv, "vf:123")) != -1)
+ {
+ switch (c)
+ {
+ case 'v':
+ {
+ vflag = 1;
+ break;
+ }
+ case 'f':
+ {
+ fvalue = optarg;
+ break;
+ }
+ case '1':
+ {
+ test[0] = 1;
+ break;
+ }
+ case '2':
+ {
+ test[1] = 1;
+ break;
+ }
+ case '3':
+ {
+ test[2] = 1;
+ break;
+ }
+ case '?':
+ {
+ if (optopt == 'f')
+ {
+ 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:
+ {
+ abort ();
+ }
+ }
+ }
+
+ if (fvalue)
+ {
+ /* DLT is intialised automatically, except another output target will be used */
+ if (dlt_init_file(fvalue)<0) /* log to file */
+ {
+ return -1;
+ }
+ }
+
+ help=0;
+ for (i=0;i<MAX_TESTS;i++)
+ {
+ if (test[i]==1)
+ {
+ help=1;
+ break;
+ }
+ }
+
+ if (help==0)
+ {
+ usage();
+ return -1;
+ }
+
+ DLT_REGISTER_APP("DSTS","DLT daemon stress tests");
+
+ if (test[0])
+ {
+ stress1();
+ }
+ if (test[1])
+ {
+ stress2();
+ }
+ if (test[2])
+ {
+ stress3();
+ }
+
+ DLT_UNREGISTER_APP();
+
+ sleep(1);
+
+ return 0;
+}
+
+void stress1(void)
+{
+ int i,c;
+ char ctid[5];
+
+ printf("Starting stress test1... (press \"Enter\" to terminate test) \n");
+
+ printf("* Register %d contexts...\n",STRESS1_NUM_CONTEXTS);
+
+ for (i=0; i<STRESS1_NUM_CONTEXTS; i++)
+ {
+ /* Generate id */
+ memset(ctid,0,5);
+ sprintf(ctid,"%d",i);
+
+ //printf("%i: '%s' \n",i,ctid);
+
+ dlt_register_context(&(mycontext[i]),ctid,ctid);
+ usleep(500);
+ }
+
+ while (1)
+ {
+ c=getchar();
+ /* if "Return" is pressed, exit loop; */
+ if (c==10)
+ {
+ break;
+ }
+ }
+
+ printf("* Unregister %d contexts...\n",STRESS1_NUM_CONTEXTS);
+
+ for (i=0; i<STRESS1_NUM_CONTEXTS; i++)
+ {
+ DLT_UNREGISTER_CONTEXT(mycontext[i]);
+ usleep(500);
+ }
+
+ printf("Finished stress test1 \n\n");
+}
+
+void stress2(void)
+{
+ int ret,index;
+
+ pthread_t thread[STRESS2_MAX_NUM_THREADS];
+ thread_data_t thread_data[STRESS2_MAX_NUM_THREADS];
+
+ printf("Starting stress test2... \n");
+
+ srand(time(NULL));
+
+ printf("* Creating %d Threads, each of them registers one context,\n",STRESS2_MAX_NUM_THREADS);
+ printf(" sending one log message, then unregisters the context\n");
+
+ for (index=0;index<STRESS2_MAX_NUM_THREADS;index++)
+ {
+ thread_data[index].num = index;
+ ret=pthread_create(&(thread[index]), NULL, (void *) &thread_function, (void *) &(thread_data[index]));
+ if (ret!=0)
+ {
+ printf("Error creating thread %d: %s \n", index, strerror(errno));
+ }
+
+ usleep(1000);
+ }
+
+ for (index=0;index<STRESS2_MAX_NUM_THREADS;index++)
+ {
+ if (thread[index]!=0)
+ {
+ pthread_join(thread[index], NULL);
+ }
+ }
+
+ printf("Finished stress test2 \n\n");
+}
+
+void thread_function(void *ptr)
+{
+ thread_data_t *data;
+ DLT_DECLARE_CONTEXT(context_thread1);
+ char ctid[5];
+
+ data = (thread_data_t *) ptr;
+
+ memset(ctid,0,5);
+
+ /* Create random context id */
+ sprintf(ctid,"%.2x", rand() & 0x0000ffff);
+
+ usleep(rand()/1000);
+
+ DLT_REGISTER_CONTEXT(context_thread1,ctid,ctid);
+
+ DLT_LOG(context_thread1,DLT_LOG_INFO,DLT_STRING(ctid));
+
+ DLT_UNREGISTER_CONTEXT(context_thread1);
+}
+
+void stress3(void)
+{
+ DLT_DECLARE_CONTEXT(context_stress3);
+ char buffer[STRESS3_MAX_NUM_MESSAGES];
+ int num;
+
+ /* Performance test */
+ DLT_REGISTER_CONTEXT(context_stress3,"TST3","Stress Test 3 - Performance");
+
+ printf("Starting stress test3... \n");
+ printf("* Logging raw data, up to a size of %d\n",STRESS3_MAX_NUM_MESSAGES);
+
+ for (num=0;num<STRESS3_MAX_NUM_MESSAGES;num++)
+ {
+ buffer[num] = num;
+ DLT_LOG(context_stress3,DLT_LOG_INFO,DLT_INT(num),DLT_RAW(buffer,num));
+ usleep(1);
+ }
+
+ printf("Finished stress test3 \n\n");
+}
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