3 * Copyright (C) 2012 BMW AG
5 * This file is part of GENIVI Project Dlt - Diagnostic Log and Trace console apps.
7 * Contributions are licensed to the GENIVI Alliance under one or more
8 * Contribution License Agreements.
11 * This Source Code Form is subject to the terms of the
12 * Mozilla Public License, v. 2.0. If a copy of the MPL was not distributed with
13 * this file, You can obtain one at http://mozilla.org/MPL/2.0/.
16 * \author Alexander Wenzel <alexander.aw.wenzel@bmw.de> BMW 2011-2012
19 * For further information see http://www.genivi.org/.
24 /*******************************************************************************
26 ** SRC-MODULE: dlt_user.c **
32 ** AUTHOR : Alexander Wenzel Alexander.AW.Wenzel@bmw.de **
39 ** PLATFORM DEPENDANT [yes/no]: yes **
41 ** TO BE CHANGED BY USER [yes/no]: no **
43 *******************************************************************************/
45 /*******************************************************************************
47 ********************************************************************************
49 ** Initials Name Company **
50 ** -------- ------------------------- ---------------------------------- **
51 ** aw Alexander Wenzel BMW **
52 ** mk Markus Klein Fraunhofer ESK **
53 *******************************************************************************/
55 /*******************************************************************************
56 ** Revision Control History **
57 *******************************************************************************/
60 * $LastChangedRevision: 1670 $
61 * $LastChangedDate: 2011-04-08 15:12:06 +0200 (Fr, 08. Apr 2011) $
66 #include <stdlib.h> /* for getenv(), free(), atexit() */
67 #include <string.h> /* for strcmp(), strncmp(), strlen(), memset(), memcpy() */
68 #include <signal.h> /* for signal(), SIGPIPE, SIG_IGN */
70 #if !defined (__WIN32__)
71 #include <syslog.h> /* for LOG_... */
72 #include <semaphore.h>
73 #include <pthread.h> /* POSIX Threads */
83 #include <sys/uio.h> /* writev() */
88 #include "dlt_user_shared.h"
89 #include "dlt_user_shared_cfg.h"
90 #include "dlt_user_cfg.h"
92 static DltUser dlt_user;
93 static int dlt_user_initialised = 0;
95 static char str[DLT_USER_BUFFER_LENGTH];
97 static sem_t dlt_mutex;
98 static pthread_t dlt_receiverthread_handle;
99 static pthread_attr_t dlt_receiverthread_attr;
101 /* Segmented Network Trace */
102 #define DLT_MAX_TRACE_SEGMENT_SIZE 1024
103 #define DLT_MESSAGE_QUEUE_NAME "/dlt_message_queue"
104 #define DLT_DELAYED_RESEND_INDICATOR_PATTERN 0xFFFF
106 /* Mutex to wait on while message queue is not initialized */
107 pthread_mutex_t mq_mutex;
108 pthread_cond_t mq_init_condition;
110 /* Structure to pass data to segmented thread */
114 DltNetworkTraceType nw_trace_type;
117 uint16_t payload_len;
121 /* Function prototypes for internally used functions */
122 static void dlt_user_receiverthread_function(void *ptr);
123 static void dlt_user_atexit_handler(void);
124 static int dlt_user_log_init(DltContext *handle, DltContextData *log);
125 static DltReturnValue dlt_user_log_send_log(DltContextData *log, int mtype);
126 static int dlt_user_log_send_register_application(void);
127 static int dlt_user_log_send_unregister_application(void);
128 static int dlt_user_log_send_register_context(DltContextData *log);
129 static int dlt_user_log_send_unregister_context(DltContextData *log);
130 static int dlt_send_app_ll_ts_limit(const char *appid, DltLogLevelType loglevel, DltTraceStatusType tracestatus);
131 static int dlt_user_log_send_log_mode(DltUserLogMode mode);
132 static int dlt_user_print_msg(DltMessage *msg, DltContextData *log);
133 static int dlt_user_log_check_user_message(void);
134 static void dlt_user_log_reattach_to_daemon(void);
135 static int dlt_user_log_send_overflow(void);
136 static void dlt_user_trace_network_segmented_thread(void *unused);
137 static void dlt_user_trace_network_segmented_thread_segmenter(s_segmented_data *data);
138 static int dlt_user_queue_resend(void);
140 int dlt_user_check_library_version(const char *user_major_version,const char *user_minor_version){
143 char lib_major_version[DLT_USER_MAX_LIB_VERSION_LENGTH];
144 char lib_minor_version[DLT_USER_MAX_LIB_VERSION_LENGTH];
146 dlt_get_major_version( lib_major_version);
147 dlt_get_minor_version( lib_minor_version);
149 if( (strcmp(lib_major_version,user_major_version)!=0) || (strcmp(lib_minor_version,user_minor_version)!=0))
151 sprintf(str,"DLT Library version check failed! Installed DLT library version is %s.%s - Application using DLT library version %s.%s\n",lib_major_version,lib_minor_version,user_major_version,user_minor_version);
152 dlt_log(LOG_WARNING, str);
160 char filename[DLT_USER_MAX_FILENAME_LENGTH];
163 dlt_user_initialised = 1;
165 /* Initialize common part of dlt_init()/dlt_init_file() */
166 if (dlt_init_common()==-1)
168 dlt_user_initialised = 0;
172 dlt_user.dlt_is_file = 0;
173 dlt_user.overflow = 0;
174 dlt_user.overflow_counter = 0;
175 #ifdef DLT_SHM_ENABLE
176 memset(&(dlt_user.dlt_shm),0,sizeof(DltShm));
179 /* create and open DLT user FIFO */
180 sprintf(filename,"%s/dlt%d",DLT_USER_DIR,getpid());
182 /* Try to delete existing pipe, ignore result of unlink */
185 ret=mkfifo(filename, S_IRUSR | S_IWUSR | S_IWGRP | S_IRGRP );
188 sprintf(str,"Loging disabled, FIFO user %s cannot be created!\n",filename);
189 dlt_log(LOG_WARNING, str);
190 /* return 0; */ /* removed to prevent error, when FIFO already exists */
193 // S_IWGRP cannot be set by mkfifo (???), let's reassign right bits
194 ret=chmod(filename, S_IRUSR | S_IWUSR | S_IWGRP | S_IRGRP );
197 sprintf(str,"FIFO user %s cannot be chmoded!\n", DLT_USER_DIR);
198 dlt_log(LOG_ERR, str);
202 dlt_user.dlt_user_handle = open(filename, O_RDWR | O_CLOEXEC);
203 if (dlt_user.dlt_user_handle == DLT_FD_INIT)
205 sprintf(str,"Loging disabled, FIFO user %s cannot be opened!\n",filename);
206 dlt_log(LOG_WARNING, str);
211 /* open DLT output FIFO */
212 dlt_user.dlt_log_handle = open(DLT_USER_FIFO, O_WRONLY | O_NONBLOCK | O_CLOEXEC );
213 if (dlt_user.dlt_log_handle==-1)
215 sprintf(str,"Loging disabled, FIFO %s cannot be opened with open()!\n",DLT_USER_FIFO);
216 dlt_log(LOG_WARNING, str);
221 #ifdef DLT_SHM_ENABLE
222 /* init shared memory */
223 if (dlt_shm_init_client(&(dlt_user.dlt_shm),DLT_SHM_KEY) < 0)
225 sprintf(str,"Loging disabled, Shared memory %d cannot be created!\n",DLT_SHM_KEY);
226 dlt_log(LOG_WARNING, str);
233 if (dlt_receiver_init(&(dlt_user.receiver),dlt_user.dlt_user_handle, DLT_USER_RCVBUF_MAX_SIZE)==-1)
235 dlt_user_initialised = 0;
239 /* Start receiver thread */
240 if (pthread_create(&(dlt_receiverthread_handle),
242 (void *) &dlt_user_receiverthread_function,
245 if (pthread_attr_destroy(&dlt_receiverthread_attr)!=0)
247 dlt_log(LOG_WARNING, "Can't destroy thread attributes!\n");
250 dlt_log(LOG_CRIT, "Can't create receiver thread!\n");
251 dlt_user_initialised = 0;
255 if (pthread_attr_destroy(&dlt_receiverthread_attr)!=0)
257 dlt_log(LOG_WARNING, "Can't destroy thread attributes!\n");
260 /* These will be lazy initialized only when needed */
261 dlt_user.dlt_segmented_queue_read_handle = -1;
262 dlt_user.dlt_segmented_queue_write_handle = -1;
264 /* Wait mutext for segmented thread */
265 pthread_mutex_init(&mq_mutex, NULL);
266 pthread_cond_init(&mq_init_condition, NULL);
268 /* Start the segmented thread */
269 if(pthread_create(&(dlt_user.dlt_segmented_nwt_handle), NULL,
270 (void *)dlt_user_trace_network_segmented_thread, NULL))
272 dlt_log(LOG_CRIT, "Can't start segmented thread!\n");
279 int dlt_init_file(const char *name)
281 dlt_user_initialised = 1;
283 /* Initialize common part of dlt_init()/dlt_init_file() */
284 if (dlt_init_common()==-1)
286 dlt_user_initialised = 0;
290 dlt_user.dlt_is_file = 1;
292 /* open DLT output file */
293 dlt_user.dlt_log_handle = open(name,O_WRONLY|O_CREAT, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH); /* mode: wb */
294 if (dlt_user.dlt_log_handle == -1)
296 sprintf(str,"Log file %s cannot be opened!\n",name);
297 dlt_log(LOG_ERR, str);
304 int dlt_init_message_queue(void)
306 pthread_mutex_lock(&mq_mutex);
307 if(dlt_user.dlt_segmented_queue_read_handle >= 0 &&
308 dlt_user.dlt_segmented_queue_write_handle >= 0)
310 // Already intialized
311 pthread_mutex_unlock(&mq_mutex);
315 /* Generate per process name for queue */
316 char queue_name[NAME_MAX];
317 sprintf(queue_name, "%s.%d", DLT_MESSAGE_QUEUE_NAME, getpid());
319 /* Maximum queue size is 10, limit to size of pointers */
320 struct mq_attr mqatr;
322 mqatr.mq_maxmsg = 10;
323 mqatr.mq_msgsize = sizeof(s_segmented_data *);
324 mqatr.mq_curmsgs = 0;
327 * Create the message queue. It must be newly created
328 * if old one was left by a crashing process.
330 dlt_user.dlt_segmented_queue_read_handle = mq_open(queue_name, O_CREAT| O_RDONLY | O_EXCL,
331 S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH, &mqatr);
332 if(dlt_user.dlt_segmented_queue_read_handle < 0)
336 dlt_log(LOG_WARNING, "Old message queue exists, trying to delete.\n");
337 if(mq_unlink(queue_name) < 0)
340 snprintf(str,255,"Could not delete existing message queue!: %s \n",strerror(errno));
341 dlt_log(LOG_CRIT, str);
345 dlt_user.dlt_segmented_queue_read_handle = mq_open(queue_name, O_CREAT| O_RDONLY | O_EXCL,
346 S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH, &mqatr);
349 if(dlt_user.dlt_segmented_queue_read_handle < 0)
352 snprintf(str,255,"Can't create message queue read handle!: %s \n",strerror(errno));
353 dlt_log(LOG_CRIT, str);
354 pthread_mutex_unlock(&mq_mutex);
359 dlt_user.dlt_segmented_queue_write_handle = mq_open(queue_name, O_WRONLY|O_NONBLOCK);
360 if(dlt_user.dlt_segmented_queue_write_handle < 0)
364 snprintf(str,255,"Can't open message queue write handle!: %s \n",strerror(errno));
365 dlt_log(LOG_CRIT, str);
366 pthread_mutex_unlock(&mq_mutex);
370 pthread_cond_signal(&mq_init_condition);
371 pthread_mutex_unlock(&mq_mutex);
375 int dlt_init_common(void)
377 char *env_local_print;
379 /* Binary semaphore for threads */
380 if (sem_init(&dlt_mutex, 0, 1)==-1)
382 dlt_user_initialised = 0;
386 /* set to unknown state of connected client */
387 dlt_user.log_state = -1;
389 dlt_user.dlt_log_handle=-1;
390 dlt_user.dlt_user_handle=DLT_FD_INIT;
392 dlt_set_id(dlt_user.ecuID,DLT_USER_DEFAULT_ECU_ID);
393 dlt_set_id(dlt_user.appID,"");
395 dlt_user.application_description = 0;
397 /* Verbose mode is enabled by default */
398 dlt_user.verbose_mode = 1;
400 /* Local print is disabled by default */
401 dlt_user.enable_local_print = 0;
403 dlt_user.local_print_mode = DLT_PM_UNSET;
405 env_local_print = getenv(DLT_USER_ENV_LOCAL_PRINT_MODE);
408 if (strcmp(env_local_print,"AUTOMATIC")==0)
410 dlt_user.local_print_mode = DLT_PM_AUTOMATIC;
412 else if (strcmp(env_local_print,"FORCE_ON")==0)
414 dlt_user.local_print_mode = DLT_PM_FORCE_ON;
416 else if (strcmp(env_local_print,"FORCE_OFF")==0)
418 dlt_user.local_print_mode = DLT_PM_FORCE_OFF;
422 /* Initialize LogLevel/TraceStatus field */
424 dlt_user.dlt_ll_ts = 0;
425 dlt_user.dlt_ll_ts_max_num_entries = 0;
426 dlt_user.dlt_ll_ts_num_entries = 0;
428 if (dlt_buffer_init_dynamic(&(dlt_user.startup_buffer), DLT_USER_RINGBUFFER_MIN_SIZE, DLT_USER_RINGBUFFER_MAX_SIZE, DLT_USER_RINGBUFFER_STEP_SIZE)==-1)
430 dlt_user_initialised = 0;
436 signal(SIGPIPE,SIG_IGN); /* ignore pipe signals */
438 atexit(dlt_user_atexit_handler);
440 #ifdef DLT_TEST_ENABLE
441 dlt_user.corrupt_user_header = 0;
442 dlt_user.corrupt_message_size = 0;
443 dlt_user.corrupt_message_size_size = 0;
449 void dlt_user_atexit_handler(void)
451 if (dlt_user_initialised==0)
456 /* Try to resend potential log messages in the user buffer */
457 int count = dlt_user_atexit_blow_out_user_buffer();
461 sprintf(tmp,"Lost log messages in user buffer when exiting: %i\n",count);
462 dlt_log(LOG_ERR, tmp);
465 /* Unregister app (this also unregisters all contexts in daemon) */
466 /* Ignore return value */
467 dlt_unregister_app();
470 /* Ignore return value */
474 int dlt_user_atexit_blow_out_user_buffer(void){
478 uint32_t exitTime = dlt_uptime() + DLT_USER_ATEXIT_RESEND_BUFFER_EXIT_TIMEOUT;
480 while(dlt_uptime() < exitTime ){
482 ret = dlt_user_log_resend_buffer();
489 usleep(DLT_USER_ATEXIT_RESEND_BUFFER_SLEEP);
493 count = dlt_buffer_get_message_count(&(dlt_user.startup_buffer));
502 char filename[DLT_USER_MAX_FILENAME_LENGTH];
504 if (dlt_user_initialised==0)
509 if (dlt_receiverthread_handle)
511 /* Ignore return value */
512 pthread_cancel(dlt_receiverthread_handle);
515 if (dlt_user.dlt_user_handle!=DLT_FD_INIT)
517 sprintf(filename,"%s/dlt%d",DLT_USER_DIR,getpid());
519 close(dlt_user.dlt_user_handle);
520 dlt_user.dlt_user_handle=DLT_FD_INIT;
525 #ifdef DLT_SHM_ENABLE
526 /* free shared memory */
527 dlt_shm_free_client(&dlt_user.dlt_shm);
530 if (dlt_user.dlt_log_handle!=-1)
532 /* close log file/output fifo to daemon */
533 close(dlt_user.dlt_log_handle);
534 dlt_user.dlt_log_handle = -1;
537 /* Ignore return value */
538 dlt_receiver_free(&(dlt_user.receiver));
540 /* Ignore return value */
541 dlt_buffer_free_dynamic(&(dlt_user.startup_buffer));
544 if (dlt_user.dlt_ll_ts)
546 for (i=0;i<dlt_user.dlt_ll_ts_max_num_entries;i++)
548 if (dlt_user.dlt_ll_ts[i].injection_table!=0)
550 free(dlt_user.dlt_ll_ts[i].injection_table);
551 dlt_user.dlt_ll_ts[i].injection_table = 0;
553 dlt_user.dlt_ll_ts[i].nrcallbacks = 0;
556 free(dlt_user.dlt_ll_ts);
557 dlt_user.dlt_ll_ts = 0;
558 dlt_user.dlt_ll_ts_max_num_entries = 0;
559 dlt_user.dlt_ll_ts_num_entries = 0;
563 if (dlt_user.dlt_segmented_nwt_handle)
565 pthread_cancel(dlt_user.dlt_segmented_nwt_handle);
568 char queue_name[NAME_MAX];
569 sprintf(queue_name, "%s.%d", DLT_MESSAGE_QUEUE_NAME, getpid());
572 * Ignore errors from these, to not to spam user if dlt_free
573 * is accidentally called multiple times.
575 mq_close(dlt_user.dlt_segmented_queue_write_handle);
576 mq_close(dlt_user.dlt_segmented_queue_read_handle);
577 mq_unlink(queue_name);
579 dlt_user_initialised = 0;
584 int dlt_check_library_version(const char * user_major_version,const char * user_minor_version)
586 return dlt_user_check_library_version(user_major_version, user_minor_version);
589 int dlt_register_app(const char *appid, const char * description)
593 if (dlt_user_initialised==0)
601 if ((appid==0) || (appid[0]=='\0'))
606 /* check if application already registered */
607 /* if yes do not register again */
610 if(appid[0]==dlt_user.appID[0])
615 if(appid[0]==dlt_user.appID[0] &&
616 appid[1]==dlt_user.appID[1])
621 if(appid[0]==dlt_user.appID[0] &&
622 appid[1]==dlt_user.appID[1] &&
623 appid[2]==dlt_user.appID[2])
628 if(appid[0]==dlt_user.appID[0] &&
629 appid[1]==dlt_user.appID[1] &&
630 appid[2]==dlt_user.appID[2] &&
631 appid[3]==dlt_user.appID[3])
637 /* Store locally application id and application description */
638 dlt_set_id(dlt_user.appID, appid);
640 if (dlt_user.application_description!=0)
642 free(dlt_user.application_description);
645 dlt_user.application_description = 0;
649 size_t desc_len = strlen(description);
650 dlt_user.application_description= malloc(desc_len+1);
651 if (dlt_user.application_description){
652 strncpy(dlt_user.application_description, description, desc_len);
654 /* Terminate transmitted string with 0 */
655 dlt_user.application_description[desc_len]='\0';
666 ret = dlt_user_log_send_register_application();
670 int dlt_register_context(DltContext *handle, const char *contextid, const char * description)
672 if (dlt_user_initialised==0)
682 if (dlt_user.appID[0]=='\0')
684 dlt_log(LOG_ERR, "no application registered!\n");
690 if ((contextid==0) || (contextid[0]=='\0'))
698 return dlt_register_context_ll_ts(handle, contextid, description, DLT_USER_LOG_LEVEL_NOT_SET, DLT_USER_TRACE_STATUS_NOT_SET);
701 int dlt_register_context_ll_ts(DltContext *handle, const char *contextid, const char * description, int loglevel, int tracestatus)
706 char ctid[DLT_ID_SIZE+1];
708 if (dlt_user_initialised==0)
718 if (dlt_user.appID[0]=='\0')
720 dlt_log(LOG_ERR, "no application registered!\n");
728 if ((contextid==0) || (contextid[0]=='\0'))
733 if ((loglevel<DLT_USER_LOG_LEVEL_NOT_SET) || (loglevel>DLT_LOG_VERBOSE) || (loglevel==DLT_LOG_DEFAULT))
738 if ((tracestatus<DLT_USER_TRACE_STATUS_NOT_SET) || (tracestatus>DLT_TRACE_STATUS_ON) || (tracestatus==DLT_TRACE_STATUS_DEFAULT))
743 if (dlt_user_log_init(handle, &log)==-1)
748 /* Reset message counter */
751 /* Store context id in log level/trace status field */
753 /* Check if already registered, else register context */
757 for (i=0;i<dlt_user.dlt_ll_ts_num_entries;i++)
759 if (dlt_user.dlt_ll_ts)
761 if (memcmp(dlt_user.dlt_ll_ts[i].contextID, contextid,DLT_ID_SIZE)==0)
765 memset(ctid,0,(DLT_ID_SIZE+1));
766 dlt_print_id(ctid, contextid);
768 sprintf(str,"context '%s' already registered!\n",ctid);
769 dlt_log(LOG_WARNING, str);
778 /* Allocate or expand context array */
779 if (dlt_user.dlt_ll_ts == 0)
781 dlt_user.dlt_ll_ts = (dlt_ll_ts_type*) malloc(sizeof(dlt_ll_ts_type)*DLT_USER_CONTEXT_ALLOC_SIZE);
782 if (dlt_user.dlt_ll_ts==0)
788 dlt_user.dlt_ll_ts_max_num_entries = DLT_USER_CONTEXT_ALLOC_SIZE;
790 /* Initialize new entries */
791 for (i=0;i<dlt_user.dlt_ll_ts_max_num_entries;i++)
793 dlt_set_id(dlt_user.dlt_ll_ts[i].contextID,"");
795 /* At startup, logging and tracing is locally enabled */
796 /* the correct log level/status is set after received from daemon */
797 dlt_user.dlt_ll_ts[i].log_level = DLT_USER_INITIAL_LOG_LEVEL;
798 dlt_user.dlt_ll_ts[i].trace_status = DLT_USER_INITIAL_TRACE_STATUS;
800 dlt_user.dlt_ll_ts[i].log_level_ptr = 0;
801 dlt_user.dlt_ll_ts[i].trace_status_ptr = 0;
803 dlt_user.dlt_ll_ts[i].context_description = 0;
805 dlt_user.dlt_ll_ts[i].injection_table = 0;
806 dlt_user.dlt_ll_ts[i].nrcallbacks = 0;
811 if ((dlt_user.dlt_ll_ts_num_entries%DLT_USER_CONTEXT_ALLOC_SIZE)==0)
813 /* allocate memory in steps of DLT_USER_CONTEXT_ALLOC_SIZE, e.g. 500 */
814 dlt_ll_ts_type *old_ll_ts;
815 uint32_t old_max_entries;
817 old_ll_ts = dlt_user.dlt_ll_ts;
818 old_max_entries = dlt_user.dlt_ll_ts_max_num_entries;
820 dlt_user.dlt_ll_ts_max_num_entries = ((dlt_user.dlt_ll_ts_num_entries/DLT_USER_CONTEXT_ALLOC_SIZE)+1)*DLT_USER_CONTEXT_ALLOC_SIZE;
821 dlt_user.dlt_ll_ts = (dlt_ll_ts_type*) malloc(sizeof(dlt_ll_ts_type)*
822 dlt_user.dlt_ll_ts_max_num_entries);
823 if (dlt_user.dlt_ll_ts==0)
825 dlt_user.dlt_ll_ts = old_ll_ts;
826 dlt_user.dlt_ll_ts_max_num_entries = old_max_entries;
831 memcpy(dlt_user.dlt_ll_ts,old_ll_ts,sizeof(dlt_ll_ts_type)*dlt_user.dlt_ll_ts_num_entries);
834 /* Initialize new entries */
835 for (i=dlt_user.dlt_ll_ts_num_entries;i<dlt_user.dlt_ll_ts_max_num_entries;i++)
837 dlt_set_id(dlt_user.dlt_ll_ts[i].contextID,"");
839 /* At startup, logging and tracing is locally enabled */
840 /* the correct log level/status is set after received from daemon */
841 dlt_user.dlt_ll_ts[i].log_level = DLT_USER_INITIAL_LOG_LEVEL;
842 dlt_user.dlt_ll_ts[i].trace_status = DLT_USER_INITIAL_TRACE_STATUS;
844 dlt_user.dlt_ll_ts[i].log_level_ptr = 0;
845 dlt_user.dlt_ll_ts[i].trace_status_ptr = 0;
847 dlt_user.dlt_ll_ts[i].context_description = 0;
849 dlt_user.dlt_ll_ts[i].injection_table = 0;
850 dlt_user.dlt_ll_ts[i].nrcallbacks = 0;
855 /* Store locally context id and context description */
856 dlt_set_id(dlt_user.dlt_ll_ts[dlt_user.dlt_ll_ts_num_entries].contextID, contextid);
858 if (dlt_user.dlt_ll_ts[dlt_user.dlt_ll_ts_num_entries].context_description!=0)
860 free(dlt_user.dlt_ll_ts[dlt_user.dlt_ll_ts_num_entries].context_description);
863 dlt_user.dlt_ll_ts[dlt_user.dlt_ll_ts_num_entries].context_description = 0;
867 size_t desc_len = strlen(description);
868 dlt_user.dlt_ll_ts[dlt_user.dlt_ll_ts_num_entries].context_description = malloc(desc_len+1);
869 if(dlt_user.dlt_ll_ts[dlt_user.dlt_ll_ts_num_entries].context_description == 0)
875 strncpy(dlt_user.dlt_ll_ts[dlt_user.dlt_ll_ts_num_entries].context_description, description, desc_len);
877 /* Terminate transmitted string with 0 */
878 dlt_user.dlt_ll_ts[dlt_user.dlt_ll_ts_num_entries].context_description[desc_len]='\0';
881 if(dlt_user.dlt_ll_ts[dlt_user.dlt_ll_ts_num_entries].log_level_ptr == 0)
883 dlt_user.dlt_ll_ts[dlt_user.dlt_ll_ts_num_entries].log_level_ptr = malloc(sizeof(int8_t));
884 if(dlt_user.dlt_ll_ts[dlt_user.dlt_ll_ts_num_entries].log_level_ptr == 0)
890 if(dlt_user.dlt_ll_ts[dlt_user.dlt_ll_ts_num_entries].trace_status_ptr == 0)
892 dlt_user.dlt_ll_ts[dlt_user.dlt_ll_ts_num_entries].trace_status_ptr = malloc(sizeof(int8_t));
893 if(dlt_user.dlt_ll_ts[dlt_user.dlt_ll_ts_num_entries].trace_status_ptr == 0)
900 if (loglevel!=DLT_USER_LOG_LEVEL_NOT_SET)
902 dlt_user.dlt_ll_ts[dlt_user.dlt_ll_ts_num_entries].log_level = loglevel;
905 if (tracestatus!=DLT_USER_TRACE_STATUS_NOT_SET)
907 dlt_user.dlt_ll_ts[dlt_user.dlt_ll_ts_num_entries].trace_status = tracestatus;
910 /* Prepare transfer struct */
911 //dlt_set_id(log->appID, dlt_user.appID);
912 dlt_set_id(handle->contextID, contextid);
913 handle->log_level_pos = dlt_user.dlt_ll_ts_num_entries;
915 handle->log_level_ptr = dlt_user.dlt_ll_ts[dlt_user.dlt_ll_ts_num_entries].log_level_ptr;
916 handle->trace_status_ptr = dlt_user.dlt_ll_ts[dlt_user.dlt_ll_ts_num_entries].trace_status_ptr;
918 log.context_description = dlt_user.dlt_ll_ts[dlt_user.dlt_ll_ts_num_entries].context_description;
920 *(dlt_user.dlt_ll_ts[dlt_user.dlt_ll_ts_num_entries].log_level_ptr) = dlt_user.dlt_ll_ts[dlt_user.dlt_ll_ts_num_entries].log_level;
921 *(dlt_user.dlt_ll_ts[dlt_user.dlt_ll_ts_num_entries].trace_status_ptr) = dlt_user.dlt_ll_ts[dlt_user.dlt_ll_ts_num_entries].trace_status = tracestatus;
923 if (loglevel!=DLT_USER_LOG_LEVEL_NOT_SET)
925 log.log_level = loglevel;
929 log.log_level = DLT_USER_LOG_LEVEL_NOT_SET;
932 if (tracestatus!=DLT_USER_TRACE_STATUS_NOT_SET)
934 log.trace_status = tracestatus;
938 log.trace_status = DLT_USER_TRACE_STATUS_NOT_SET;
941 dlt_user.dlt_ll_ts_num_entries++;
945 ret=dlt_user_log_send_register_context(&log);
957 int dlt_unregister_app(void)
961 if (dlt_user_initialised==0)
966 /* Inform daemon to unregister application and all of its contexts */
967 ret = dlt_user_log_send_unregister_application();
971 /* Clear and free local stored application information */
972 dlt_set_id(dlt_user.appID, "");
974 if (dlt_user.application_description!=0)
976 free(dlt_user.application_description);
979 dlt_user.application_description = 0;
986 int dlt_unregister_context(DltContext *handle)
991 if (dlt_user_initialised==0)
996 if (dlt_user_log_init(handle, &log) == -1)
1003 handle->log_level_ptr = 0;
1004 handle->trace_status_ptr = 0;
1006 if (dlt_user.dlt_ll_ts)
1008 /* Clear and free local stored context information */
1009 dlt_set_id(dlt_user.dlt_ll_ts[handle->log_level_pos].contextID, "");
1011 dlt_user.dlt_ll_ts[handle->log_level_pos].log_level = DLT_USER_INITIAL_LOG_LEVEL;
1012 dlt_user.dlt_ll_ts[handle->log_level_pos].trace_status = DLT_USER_INITIAL_TRACE_STATUS;
1014 if (dlt_user.dlt_ll_ts[handle->log_level_pos].context_description!=0)
1016 free(dlt_user.dlt_ll_ts[handle->log_level_pos].context_description);
1019 if (dlt_user.dlt_ll_ts[handle->log_level_pos].log_level_ptr!=0)
1021 free(dlt_user.dlt_ll_ts[handle->log_level_pos].log_level_ptr);
1022 dlt_user.dlt_ll_ts[handle->log_level_pos].log_level_ptr = 0;
1025 if (dlt_user.dlt_ll_ts[handle->log_level_pos].trace_status_ptr!=0)
1027 free(dlt_user.dlt_ll_ts[handle->log_level_pos].trace_status_ptr);
1028 dlt_user.dlt_ll_ts[handle->log_level_pos].trace_status_ptr = 0;
1031 dlt_user.dlt_ll_ts[handle->log_level_pos].context_description = 0;
1033 if (dlt_user.dlt_ll_ts[handle->log_level_pos].injection_table)
1035 free(dlt_user.dlt_ll_ts[handle->log_level_pos].injection_table);
1036 dlt_user.dlt_ll_ts[handle->log_level_pos].injection_table = 0;
1039 dlt_user.dlt_ll_ts[handle->log_level_pos].nrcallbacks = 0;
1044 /* Inform daemon to unregister context */
1045 ret = dlt_user_log_send_unregister_context(&log);
1050 int dlt_set_application_ll_ts_limit(DltLogLevelType loglevel, DltTraceStatusType tracestatus)
1055 if (dlt_user_initialised==0)
1063 /* Removed because of DltLogLevelType and DltTraceStatusType
1065 if ((loglevel<DLT_LOG_DEFAULT) || (loglevel>DLT_LOG_VERBOSE))
1070 if ((tracestatus<DLT_TRACE_STATUS_DEFAULT) || (tracestatus>DLT_TRACE_STATUS_ON))
1075 if (dlt_user.dlt_ll_ts==0)
1084 /* Update local structures */
1085 for (i=0; i<dlt_user.dlt_ll_ts_num_entries;i++)
1087 dlt_user.dlt_ll_ts[i].log_level = loglevel;
1088 dlt_user.dlt_ll_ts[i].trace_status = tracestatus;
1089 if(dlt_user.dlt_ll_ts[i].log_level_ptr)
1090 *(dlt_user.dlt_ll_ts[i].log_level_ptr) = loglevel;
1091 if(dlt_user.dlt_ll_ts[i].trace_status_ptr)
1092 *(dlt_user.dlt_ll_ts[i].trace_status_ptr) = tracestatus;
1097 /* Inform DLT server about update */
1098 ret = dlt_send_app_ll_ts_limit(dlt_user.appID, loglevel, tracestatus);
1103 int dlt_get_log_state()
1105 return dlt_user.log_state;
1108 int dlt_set_log_mode(DltUserLogMode mode)
1110 if (dlt_user_initialised==0)
1118 return dlt_user_log_send_log_mode(mode);
1121 int dlt_forward_msg(void *msgdata,size_t size)
1123 DltUserHeader userheader;
1126 if ((msgdata==0) || (size==0))
1131 if (dlt_user_set_userheader(&userheader, DLT_USER_MESSAGE_LOG)==-1)
1133 /* Type of internal user message; same value for Trace messages */
1137 if (dlt_user.dlt_is_file)
1140 ret = dlt_user_log_out2(dlt_user.dlt_log_handle, msgdata, size, 0, 0);
1141 return ((ret==DLT_RETURN_OK)?0:-1);
1145 /* Reattach to daemon if neccesary */
1146 dlt_user_log_reattach_to_daemon();
1148 if (dlt_user.overflow_counter)
1150 if (dlt_user_log_send_overflow()==0)
1152 sprintf(str,"Buffer full! %u messages discarded!\n",dlt_user.overflow_counter);
1153 dlt_log(LOG_ERR, str);
1154 dlt_user.overflow_counter=0; }
1158 ret = dlt_user_log_out3(dlt_user.dlt_log_handle,
1159 &(userheader), sizeof(DltUserHeader),
1160 msgdata, size, 0, 0);
1162 /* store message in ringbuffer, if an error has occured */
1163 if (ret!=DLT_RETURN_OK)
1167 if (dlt_buffer_push3(&(dlt_user.startup_buffer),
1168 (unsigned char *)&(userheader), sizeof(DltUserHeader),
1169 msgdata, size, 0, 0)==-1)
1171 if(dlt_user.overflow_counter==0)
1173 dlt_log(LOG_ERR,"Buffer full! First message discarded!\n");
1175 ret = DLT_RETURN_BUFFER_FULL;
1180 if(dlt_user_queue_resend() < 0 && dlt_user.dlt_log_handle >= 0)
1182 ;//dlt_log(LOG_WARNING, "dlt_forward_msg: Failed to queue resending.\n");
1188 case DLT_RETURN_BUFFER_FULL:
1191 dlt_user.overflow_counter += 1;
1194 case DLT_RETURN_PIPE_FULL:
1196 /* data could not be written */
1199 case DLT_RETURN_PIPE_ERROR:
1201 /* handle not open or pipe error */
1202 close(dlt_user.dlt_log_handle);
1203 dlt_user.dlt_log_handle = -1;
1207 case DLT_RETURN_ERROR:
1209 /* other error condition */
1218 /* This case should not occur */
1227 /* ********************************************************************************************* */
1229 inline int dlt_user_log_write_start(DltContext *handle, DltContextData *log,DltLogLevelType loglevel)
1231 return dlt_user_log_write_start_id(handle,log,loglevel,DLT_USER_DEFAULT_MSGID);
1234 int dlt_user_log_write_start_id(DltContext *handle, DltContextData *log,DltLogLevelType loglevel, uint32_t messageid)
1236 if(dlt_user_initialised==0)
1248 if (dlt_user_log_init(handle, log)==-1)
1253 if (dlt_user.dlt_ll_ts==0)
1258 if (handle->log_level_ptr && (loglevel<=(int)*(handle->log_level_ptr) ) && (loglevel!=0))
1261 log->log_level = loglevel;
1263 /* In non-verbose mode, insert message id */
1264 if (dlt_user.verbose_mode==0)
1266 if ((sizeof(uint32_t))>DLT_USER_BUF_MAX_SIZE)
1270 /* Write message id */
1271 memcpy(log->buffer,&(messageid),sizeof(uint32_t));
1272 log->size = sizeof(uint32_t);
1274 /* as the message id is part of each message in non-verbose mode,
1275 it doesn't increment the argument counter in extended header (if used) */
1284 int dlt_user_log_write_finish(DltContextData *log)
1291 return dlt_user_log_send_log(log, DLT_TYPE_LOG) < 0 ? -1 : 0;
1294 int dlt_user_log_write_raw(DltContextData *log,void *data,uint16_t length)
1304 if ((log->size+length+sizeof(uint16_t))>DLT_USER_BUF_MAX_SIZE)
1309 if (dlt_user.verbose_mode)
1311 if ((log->size+length+sizeof(uint32_t)+sizeof(uint16_t))>DLT_USER_BUF_MAX_SIZE)
1316 /* Transmit type information */
1317 type_info = DLT_TYPE_INFO_RAWD;
1319 memcpy((log->buffer)+log->size,&(type_info),sizeof(uint32_t));
1320 log->size += sizeof(uint32_t);
1324 /* First transmit length of raw data, then the raw data itself */
1325 arg_size = (uint16_t)length;
1327 memcpy((log->buffer)+log->size,&(arg_size),sizeof(uint16_t));
1328 log->size += sizeof(uint16_t);
1330 memcpy((log->buffer)+log->size,data,arg_size);
1331 log->size += arg_size;
1338 int dlt_user_log_write_float32(DltContextData *log, float32_t data)
1347 if (sizeof(float32_t)!=4)
1352 if ((log->size+sizeof(float32_t))>DLT_USER_BUF_MAX_SIZE)
1357 if (dlt_user.verbose_mode)
1359 if ((log->size+sizeof(uint32_t)+sizeof(float32_t))>DLT_USER_BUF_MAX_SIZE)
1364 type_info = DLT_TYPE_INFO_FLOA | DLT_TYLE_32BIT;
1366 memcpy((log->buffer)+log->size,&(type_info),sizeof(uint32_t));
1367 log->size += sizeof(uint32_t);
1370 memcpy((log->buffer)+log->size,&data, sizeof(float32_t));
1371 log->size += sizeof(float32_t);
1378 int dlt_user_log_write_float64(DltContextData *log, float64_t data)
1387 if (sizeof(float64_t)!=8)
1392 if ((log->size+sizeof(float64_t))>DLT_USER_BUF_MAX_SIZE)
1397 if (dlt_user.verbose_mode)
1399 if ((log->size+sizeof(uint32_t)+sizeof(float64_t))>DLT_USER_BUF_MAX_SIZE)
1404 type_info = DLT_TYPE_INFO_FLOA | DLT_TYLE_64BIT;
1406 memcpy((log->buffer)+log->size,&(type_info),sizeof(uint32_t));
1407 log->size += sizeof(uint32_t);
1410 memcpy((log->buffer)+log->size,&data, sizeof(float64_t));
1411 log->size += sizeof(float64_t);
1418 int dlt_user_log_write_uint( DltContextData *log, unsigned int data)
1425 switch (sizeof(unsigned int))
1429 return dlt_user_log_write_uint8(log, (uint8_t)data);
1434 return dlt_user_log_write_uint16(log, (uint16_t)data);
1439 return dlt_user_log_write_uint32(log, (uint32_t)data);
1444 return dlt_user_log_write_uint64(log, (uint64_t)data);
1457 int dlt_user_log_write_uint8(DltContextData *log, uint8_t data)
1466 if ((log->size+sizeof(uint8_t))>DLT_USER_BUF_MAX_SIZE)
1471 if (dlt_user.verbose_mode)
1473 if ((log->size+sizeof(uint32_t)+sizeof(uint8_t))>DLT_USER_BUF_MAX_SIZE)
1478 type_info = DLT_TYPE_INFO_UINT | DLT_TYLE_8BIT;
1480 memcpy((log->buffer)+log->size,&(type_info),sizeof(uint32_t));
1481 log->size += sizeof(uint32_t);
1484 memcpy((log->buffer)+log->size,&data,sizeof(uint8_t));
1485 log->size += sizeof(uint8_t);
1492 int dlt_user_log_write_uint16(DltContextData *log, uint16_t data)
1501 if ((log->size+sizeof(uint16_t))>DLT_USER_BUF_MAX_SIZE)
1506 if (dlt_user.verbose_mode)
1508 if ((log->size+sizeof(uint32_t)+sizeof(uint16_t))>DLT_USER_BUF_MAX_SIZE)
1513 type_info = DLT_TYPE_INFO_UINT | DLT_TYLE_16BIT;
1515 memcpy((log->buffer)+log->size,&(type_info),sizeof(uint32_t));
1516 log->size += sizeof(uint32_t);
1519 memcpy((log->buffer)+log->size,&data,sizeof(uint16_t));
1520 log->size += sizeof(uint16_t);
1527 int dlt_user_log_write_uint32(DltContextData *log, uint32_t data)
1536 if ((log->size+sizeof(uint32_t))>DLT_USER_BUF_MAX_SIZE)
1541 if (dlt_user.verbose_mode)
1543 if ((log->size+sizeof(uint32_t)+sizeof(uint32_t))>DLT_USER_BUF_MAX_SIZE)
1548 type_info = DLT_TYPE_INFO_UINT | DLT_TYLE_32BIT;
1550 memcpy((log->buffer)+log->size,&(type_info),sizeof(uint32_t));
1551 log->size += sizeof(uint32_t);
1554 memcpy((log->buffer)+log->size,&data, sizeof(uint32_t));
1555 log->size += sizeof(uint32_t);
1562 int dlt_user_log_write_uint64(DltContextData *log, uint64_t data)
1571 if ((log->size+sizeof(uint64_t))>DLT_USER_BUF_MAX_SIZE)
1576 if (dlt_user.verbose_mode)
1578 if ((log->size+sizeof(uint32_t)+sizeof(uint64_t))>DLT_USER_BUF_MAX_SIZE)
1583 type_info = DLT_TYPE_INFO_UINT | DLT_TYLE_64BIT;
1585 memcpy((log->buffer)+log->size,&(type_info),sizeof(uint32_t));
1586 log->size +=sizeof(uint32_t);
1589 memcpy((log->buffer)+log->size,&data,sizeof(uint64_t));
1590 log->size += sizeof(uint64_t);
1597 int dlt_user_log_write_int(DltContextData *log, int data)
1604 switch (sizeof(int))
1608 return dlt_user_log_write_int8(log, (int8_t)data);
1613 return dlt_user_log_write_int16(log, (int16_t)data);
1618 return dlt_user_log_write_int32(log, (int32_t)data);
1623 return dlt_user_log_write_int64(log, (int64_t)data);
1636 int dlt_user_log_write_int8(DltContextData *log, int8_t data)
1645 if ((log->size+sizeof(int8_t))>DLT_USER_BUF_MAX_SIZE)
1650 if (dlt_user.verbose_mode)
1652 if ((log->size+sizeof(uint32_t)+sizeof(int8_t))>DLT_USER_BUF_MAX_SIZE)
1657 type_info = DLT_TYPE_INFO_SINT | DLT_TYLE_8BIT;
1659 memcpy((log->buffer)+log->size,&(type_info),sizeof(uint32_t));
1660 log->size += sizeof(uint32_t);
1663 memcpy((log->buffer)+log->size,&data,sizeof(int8_t));
1664 log->size += sizeof(int8_t);
1671 int dlt_user_log_write_int16(DltContextData *log, int16_t data)
1680 if ((log->size+sizeof(int16_t))>DLT_USER_BUF_MAX_SIZE)
1685 if (dlt_user.verbose_mode)
1687 if ((log->size+sizeof(uint32_t)+sizeof(int16_t))>DLT_USER_BUF_MAX_SIZE)
1692 type_info = DLT_TYPE_INFO_SINT | DLT_TYLE_16BIT;
1694 memcpy((log->buffer)+log->size,&(type_info),sizeof(uint32_t));
1695 log->size += sizeof(uint32_t);
1698 memcpy((log->buffer)+log->size,&data,sizeof(int16_t));
1699 log->size += sizeof(int16_t);
1706 int dlt_user_log_write_int32(DltContextData *log, int32_t data)
1715 if ((log->size+sizeof(int32_t))>DLT_USER_BUF_MAX_SIZE)
1720 if (dlt_user.verbose_mode)
1722 if ((log->size+sizeof(uint32_t)+sizeof(int32_t))>DLT_USER_BUF_MAX_SIZE)
1727 type_info = DLT_TYPE_INFO_SINT | DLT_TYLE_32BIT;
1729 memcpy((log->buffer)+log->size,&(type_info),sizeof(uint32_t));
1730 log->size += sizeof(uint32_t);
1733 memcpy((log->buffer)+log->size,&data, sizeof(int32_t));
1734 log->size += sizeof(int32_t);
1741 int dlt_user_log_write_int64(DltContextData *log, int64_t data)
1750 if ((log->size+sizeof(int64_t))>DLT_USER_BUF_MAX_SIZE)
1755 if (dlt_user.verbose_mode)
1757 if ((log->size+sizeof(uint32_t)+sizeof(int64_t))>DLT_USER_BUF_MAX_SIZE)
1762 type_info = DLT_TYPE_INFO_SINT | DLT_TYLE_64BIT;
1764 memcpy((log->buffer)+log->size,&(type_info),sizeof(uint32_t));
1765 log->size += sizeof(uint32_t);
1768 memcpy((log->buffer)+log->size,&data,sizeof(int64_t));
1769 log->size += sizeof(int64_t);
1776 int dlt_user_log_write_bool(DltContextData *log, uint8_t data)
1785 if ((log->size+sizeof(uint8_t))>DLT_USER_BUF_MAX_SIZE)
1790 if (dlt_user.verbose_mode)
1792 if ((log->size+sizeof(uint32_t)+sizeof(uint8_t))>DLT_USER_BUF_MAX_SIZE)
1797 type_info = DLT_TYPE_INFO_BOOL;
1799 memcpy((log->buffer)+log->size,&(type_info),sizeof(uint32_t));
1800 log->size += sizeof(uint32_t);
1803 memcpy((log->buffer)+log->size,&data,sizeof(uint8_t));
1804 log->size += sizeof(uint8_t);
1811 int dlt_user_log_write_string(DltContextData *log, const char *text)
1816 if ((log==0) || (text==0))
1821 if ((log->size+(strlen(text)+1)+sizeof(uint16_t))>DLT_USER_BUF_MAX_SIZE)
1826 if (dlt_user.verbose_mode)
1828 if ((log->size+(strlen(text)+1)+sizeof(uint32_t)+sizeof(uint16_t))>DLT_USER_BUF_MAX_SIZE)
1833 type_info = DLT_TYPE_INFO_STRG | DLT_SCOD_ASCII;
1835 memcpy((log->buffer)+log->size,&(type_info),sizeof(uint32_t));
1836 log->size += sizeof(uint32_t);
1839 arg_size = strlen(text) + 1;
1841 memcpy((log->buffer)+log->size,&(arg_size),sizeof(uint16_t));
1842 log->size += sizeof(uint16_t);
1844 memcpy((log->buffer)+log->size,text,arg_size);
1845 log->size += arg_size;
1852 int dlt_user_log_write_utf8_string(DltContextData *log, const char *text)
1857 if ((log==0) || (text==0))
1862 arg_size = strlen(text)+1;
1864 if ((log->size+arg_size+sizeof(uint16_t))>DLT_USER_BUF_MAX_SIZE)
1869 if (dlt_user.verbose_mode)
1871 if ((log->size+arg_size+sizeof(uint32_t)+sizeof(uint16_t))>DLT_USER_BUF_MAX_SIZE)
1876 type_info = DLT_TYPE_INFO_STRG | DLT_SCOD_UTF8;
1878 memcpy((log->buffer)+log->size,&(type_info),sizeof(uint32_t));
1879 log->size += sizeof(uint32_t);
1882 arg_size = strlen(text) + 1;
1884 memcpy((log->buffer)+log->size,&(arg_size),sizeof(uint16_t));
1885 log->size += sizeof(uint16_t);
1887 memcpy((log->buffer)+log->size,text,arg_size);
1888 log->size += arg_size;
1895 int dlt_register_injection_callback(DltContext *handle, uint32_t service_id,
1896 int (*dlt_injection_callback)(uint32_t service_id, void *data, uint32_t length))
1902 DltUserInjectionCallback *old;
1909 if (dlt_user_log_init(handle, &log)==-1)
1914 if (service_id<DLT_USER_INJECTION_MIN)
1918 /* This function doesn't make sense storing to local file is choosen;
1919 so terminate this function */
1920 if (dlt_user.dlt_is_file)
1927 if (dlt_user.dlt_ll_ts==0)
1933 /* Insert callback in corresponding table */
1934 i=handle->log_level_pos;
1936 /* Insert each service_id only once */
1937 for (k=0;k<dlt_user.dlt_ll_ts[i].nrcallbacks;k++)
1939 if ((dlt_user.dlt_ll_ts[i].injection_table) &&
1940 (dlt_user.dlt_ll_ts[i].injection_table[k].service_id == service_id))
1953 j=dlt_user.dlt_ll_ts[i].nrcallbacks;
1955 /* Allocate or expand injection table */
1956 if (dlt_user.dlt_ll_ts[i].injection_table == 0)
1958 dlt_user.dlt_ll_ts[i].injection_table = (DltUserInjectionCallback*) malloc(sizeof(DltUserInjectionCallback));
1959 if(dlt_user.dlt_ll_ts[i].injection_table == 0)
1967 old = dlt_user.dlt_ll_ts[i].injection_table;
1968 dlt_user.dlt_ll_ts[i].injection_table = (DltUserInjectionCallback*) malloc(sizeof(DltUserInjectionCallback)*(j+1));
1969 if(dlt_user.dlt_ll_ts[i].injection_table == 0)
1971 dlt_user.dlt_ll_ts[i].injection_table = old;
1975 memcpy(dlt_user.dlt_ll_ts[i].injection_table,old,sizeof(DltUserInjectionCallback)*j);
1979 dlt_user.dlt_ll_ts[i].nrcallbacks++;
1982 /* Store service_id and corresponding function pointer for callback function */
1983 dlt_user.dlt_ll_ts[i].injection_table[j].service_id = service_id;
1984 dlt_user.dlt_ll_ts[i].injection_table[j].injection_callback = dlt_injection_callback;
1997 int total_size, used_size;
1998 dlt_user_check_buffer(&total_size, &used_size);
2000 if((total_size - used_size) < (total_size/2))
2008 * Send the start of a segment chain.
2009 * Returns -1 on failure
2011 int dlt_user_trace_network_segmented_start(uint16_t *id, DltContext *handle, DltNetworkTraceType nw_trace_type, uint16_t header_len, void *header, uint16_t payload_len)
2022 if (dlt_user_log_init(handle, &log)==-1)
2028 if (dlt_user.dlt_ll_ts==0)
2033 if (handle->trace_status_ptr && *(handle->trace_status_ptr)==DLT_TRACE_STATUS_ON)
2037 log.trace_status = nw_trace_type;
2040 gettimeofday(&tv, NULL);
2043 /* Write identifier */
2044 if(dlt_user_log_write_string(&log, "NWST") < 0)
2049 /* Write stream handle */
2050 if(dlt_user_log_write_uint16(&log, *id) < 0)
2056 if(dlt_user_log_write_raw(&log, header, header_len) < 0)
2061 /* Write size of payload */
2062 if(dlt_user_log_write_uint16(&log, payload_len) < 0)
2067 /* Write expected segment count */
2068 uint16_t segment_count = payload_len/DLT_MAX_TRACE_SEGMENT_SIZE+1;
2070 /* If segments align perfectly with segment size, avoid sending empty segment */
2071 if((payload_len % DLT_MAX_TRACE_SEGMENT_SIZE) == 0)
2076 if(dlt_user_log_write_uint16(&log, segment_count) < 0)
2081 /* Write length of one segment */
2082 if(dlt_user_log_write_uint16(&log, DLT_MAX_TRACE_SEGMENT_SIZE) < 0)
2088 return dlt_user_log_send_log(&log, DLT_TYPE_NW_TRACE);
2093 int dlt_user_trace_network_segmented_segment(uint16_t id, DltContext *handle, DltNetworkTraceType nw_trace_type, int sequence, uint16_t payload_len, void *payload)
2095 while(check_buffer() < 0)
2097 usleep(1000*50); // Wait 50ms
2098 dlt_user_log_resend_buffer();
2108 if (dlt_user_log_init(handle, &log)==-1)
2113 if (dlt_user.dlt_ll_ts==0)
2118 if (handle->trace_status_ptr && *(handle->trace_status_ptr)==DLT_TRACE_STATUS_ON)
2122 log.trace_status = nw_trace_type;
2125 /* Write identifier */
2126 if(dlt_user_log_write_string(&log, "NWCH") < 0)
2131 /* Write stream handle */
2132 if(dlt_user_log_write_uint16(&log, id) < 0)
2137 /* Write segment sequence number */
2138 if(dlt_user_log_write_uint16(&log, sequence) < 0)
2144 if(dlt_user_log_write_raw(&log, payload, payload_len) < 0)
2150 return dlt_user_log_send_log(&log, DLT_TYPE_NW_TRACE);
2153 /* Allow other threads to log between chunks */
2158 int dlt_user_trace_network_segmented_end(uint16_t id, DltContext *handle, DltNetworkTraceType nw_trace_type)
2167 if (dlt_user_log_init(handle, &log)==-1)
2174 if (dlt_user.dlt_ll_ts==0)
2179 if (handle->trace_status_ptr && *(handle->trace_status_ptr)==DLT_TRACE_STATUS_ON)
2183 log.trace_status = nw_trace_type;
2186 /* Write identifier */
2187 if(dlt_user_log_write_string(&log, "NWEN") < 0)
2192 /* Write stream handle */
2193 if(dlt_user_log_write_uint(&log, id) < 0)
2199 return dlt_user_log_send_log(&log, DLT_TYPE_NW_TRACE);
2205 void dlt_user_trace_network_segmented_thread(void *unused)
2207 /* Unused on purpose. */
2210 s_segmented_data *data;
2214 // Wait until message queue is initialized
2215 pthread_mutex_lock(&mq_mutex);
2216 if(dlt_user.dlt_segmented_queue_read_handle < 0)
2218 pthread_cond_wait(&mq_init_condition, &mq_mutex);
2220 pthread_mutex_unlock(&mq_mutex);
2222 ssize_t read = mq_receive(dlt_user.dlt_segmented_queue_read_handle, (char *)&data,
2223 sizeof(s_segmented_data * ), NULL);
2225 if(read != sizeof(s_segmented_data *))
2229 snprintf(str,254,"NWTSegmented: Error while reading queue: %s \n",strerror(errno));
2230 dlt_log(LOG_CRIT, str);
2234 /* Indicator just to try to flush the buffer */
2235 if(data->payload_len == DLT_DELAYED_RESEND_INDICATOR_PATTERN)
2237 // Sleep 100ms, to allow other process to read FIFO
2239 if(dlt_user_log_resend_buffer() < 0)
2241 // Requeue if still not empty
2242 if ( dlt_user_queue_resend() < 0 )
2244 //dlt_log(LOG_WARNING, "Failed to queue resending in dlt_user_trace_network_segmented_thread.\n");
2251 dlt_user_trace_network_segmented_thread_segmenter(data);
2253 /* Send the end message */
2254 DltReturnValue err = dlt_user_trace_network_segmented_end(data->id, data->handle, data->nw_trace_type);
2255 if(err == DLT_RETURN_BUFFER_FULL || err == DLT_RETURN_ERROR)
2257 dlt_log(LOG_ERR,"NWTSegmented: Could not send end segment.\n");
2260 /* Free resources */
2262 free(data->payload);
2267 void dlt_user_trace_network_segmented_thread_segmenter(s_segmented_data *data)
2269 /* Segment the data and send the chunks */
2271 uint16_t offset = 0;
2272 uint16_t sequence = 0;
2276 if(offset + DLT_MAX_TRACE_SEGMENT_SIZE > data->payload_len)
2278 len = data->payload_len - offset;
2282 len = DLT_MAX_TRACE_SEGMENT_SIZE;
2284 /* If payload size aligns perfectly with segment size, avoid sending empty segment */
2290 ptr = data->payload + offset;
2291 DltReturnValue err = dlt_user_trace_network_segmented_segment(data->id, data->handle, data->nw_trace_type, sequence++, len, ptr);
2292 if(err == DLT_RETURN_BUFFER_FULL || err == DLT_RETURN_ERROR)
2294 dlt_log(LOG_ERR,"NWTSegmented: Could not send segment. Aborting.\n");
2298 }while(ptr < data->payload + data->payload_len);
2302 int dlt_user_trace_network_segmented(DltContext *handle, DltNetworkTraceType nw_trace_type, uint16_t header_len, void *header, uint16_t payload_len, void *payload)
2304 /* Send as normal trace if possible */
2305 if(header_len+payload_len+sizeof(uint16_t) < DLT_USER_BUF_MAX_SIZE) {
2306 return dlt_user_trace_network(handle, nw_trace_type, header_len, header, payload_len, payload);
2309 /* Allocate Memory */
2310 s_segmented_data *thread_data = malloc(sizeof(s_segmented_data));
2311 if(thread_data == NULL)
2315 thread_data->header = malloc(header_len);
2316 if(thread_data->header == NULL)
2321 thread_data->payload = malloc(payload_len);
2322 if(thread_data->payload == NULL)
2324 free(thread_data->header);
2330 thread_data->handle = handle;
2331 thread_data->nw_trace_type = nw_trace_type;
2332 thread_data->header_len = header_len;
2333 memcpy(thread_data->header, header, header_len);
2334 thread_data->payload_len = payload_len;
2335 memcpy(thread_data->payload, payload, payload_len);
2337 /* Send start message */
2338 DltReturnValue err = dlt_user_trace_network_segmented_start(&(thread_data->id),
2339 thread_data->handle, thread_data->nw_trace_type,
2340 thread_data->header_len, thread_data->header,
2341 thread_data->payload_len);
2342 if(err == DLT_RETURN_BUFFER_FULL || err == DLT_RETURN_ERROR)
2344 dlt_log(LOG_ERR,"NWTSegmented: Could not send start segment. Aborting.\n");
2345 free(thread_data->header);
2346 free(thread_data->payload);
2351 /* Open queue if it is not open */
2352 if(dlt_init_message_queue() < 0)
2354 dlt_log(LOG_ERR, "NWTSegmented: Could not open queue.\n");
2355 free(thread_data->header);
2356 free(thread_data->payload);
2363 if(mq_send(dlt_user.dlt_segmented_queue_write_handle,
2364 (char *)&thread_data, sizeof(s_segmented_data *), 1) < 0)
2368 dlt_log(LOG_ERR, "NWTSegmented: Queue full. Message discarded.\n");
2370 free(thread_data->header);
2371 free(thread_data->payload);
2374 snprintf(str,255,"NWTSegmented: Could not write into queue: %s \n",strerror(errno));
2375 dlt_log(LOG_CRIT, str);
2379 //thread_data will be freed by the receiver function
2380 //coverity[leaked_storage]
2384 int dlt_user_trace_network(DltContext *handle, DltNetworkTraceType nw_trace_type, uint16_t header_len, void *header, uint16_t payload_len, void *payload)
2386 return dlt_user_trace_network_truncated(handle, nw_trace_type, header_len, header, payload_len, payload, 1);
2389 int dlt_user_trace_network_truncated(DltContext *handle, DltNetworkTraceType nw_trace_type, uint16_t header_len, void *header, uint16_t payload_len, void *payload, int allow_truncate)
2393 if (dlt_user_initialised==0)
2401 if (dlt_user_log_init(handle, &log)==-1)
2411 /* Commented out because of DltNetworkTraceType:
2413 if ((nw_trace_type<=0) || (nw_trace_type>0x15))
2420 if (dlt_user.dlt_ll_ts==0)
2425 if (handle->trace_status_ptr && *(handle->trace_status_ptr)==DLT_TRACE_STATUS_ON)
2429 log.trace_status = nw_trace_type;
2437 /* If truncation is allowed, check if we must do it */
2438 if(allow_truncate > 0 && (header_len+payload_len+sizeof(uint16_t))>DLT_USER_BUF_MAX_SIZE)
2440 /* Identify as truncated */
2441 if(dlt_user_log_write_string(&log, "NWTR") < 0)
2446 /* Write header and its length */
2447 if (dlt_user_log_write_raw(&log, header, header_len) < 0)
2452 /* Write original size of payload */
2453 if(dlt_user_log_write_uint16(&log, payload_len) < 0)
2459 * Calculate maximum avaialble space in sending buffer after headers.
2462 int truncated_payload_len = DLT_USER_BUF_MAX_SIZE -
2463 log.size - sizeof(uint16_t) - sizeof(uint32_t);
2465 /* Write truncated payload */
2466 if (dlt_user_log_write_raw(&log, payload, truncated_payload_len) < 0)
2471 else /* Truncation not allowed or data short enough */
2473 /* Write header and its length */
2474 if (dlt_user_log_write_raw(&log, header, header_len)==-1)
2484 /* Write payload and its length */
2485 if (dlt_user_log_write_raw(&log, payload, payload_len)==-1)
2492 return dlt_user_log_send_log(&log, DLT_TYPE_NW_TRACE);
2498 int dlt_log_string(DltContext *handle,DltLogLevelType loglevel, const char *text)
2502 if (dlt_user.verbose_mode==0)
2507 if ((handle==0) || (text==0))
2512 if (dlt_user_log_write_start(handle,&log,loglevel)>0)
2514 if (dlt_user_log_write_string(&log,text)==-1)
2518 if (dlt_user_log_write_finish(&log)==-1)
2527 int dlt_log_string_int(DltContext *handle,DltLogLevelType loglevel, const char *text, int data)
2531 if (dlt_user.verbose_mode==0)
2536 if ((handle==0) || (text==0))
2541 if (dlt_user_log_write_start(handle,&log,loglevel)>0)
2543 if (dlt_user_log_write_string(&log,text)==-1)
2547 if (dlt_user_log_write_int(&log,data)==-1)
2551 if (dlt_user_log_write_finish(&log)==-1)
2560 int dlt_log_string_uint(DltContext *handle,DltLogLevelType loglevel, const char *text, unsigned int data)
2564 if (dlt_user.verbose_mode==0)
2569 if ((handle==0) || (text==0))
2574 if (dlt_user_log_write_start(handle,&log,loglevel)>0)
2576 if (dlt_user_log_write_string(&log,text)==-1)
2580 if (dlt_user_log_write_uint(&log,data)==-1)
2584 if (dlt_user_log_write_finish(&log)==-1)
2593 int dlt_log_int(DltContext *handle,DltLogLevelType loglevel, int data)
2597 if (dlt_user.verbose_mode==0)
2607 if (dlt_user_log_write_start(handle,&log,loglevel)>0)
2609 if (dlt_user_log_write_int(&log,data)==-1)
2613 if (dlt_user_log_write_finish(&log)==-1)
2622 int dlt_log_uint(DltContext *handle,DltLogLevelType loglevel, unsigned int data)
2626 if (dlt_user.verbose_mode==0)
2636 if (dlt_user_log_write_start(handle,&log,loglevel)>0)
2638 if (dlt_user_log_write_uint(&log,data)==-1)
2642 if (dlt_user_log_write_finish(&log)==-1)
2651 int dlt_log_raw(DltContext *handle,DltLogLevelType loglevel, void *data,uint16_t length)
2655 if (dlt_user.verbose_mode==0)
2665 if (dlt_user_log_write_start(handle,&log,loglevel)>0)
2667 if (dlt_user_log_write_raw(&log,data,length)==-1)
2671 if (dlt_user_log_write_finish(&log)==-1)
2680 int dlt_verbose_mode(void)
2682 if (dlt_user_initialised==0)
2690 /* Switch to verbose mode */
2691 dlt_user.verbose_mode = 1;
2696 int dlt_nonverbose_mode(void)
2698 if (dlt_user_initialised==0)
2706 /* Switch to non-verbose mode */
2707 dlt_user.verbose_mode = 0;
2712 int dlt_enable_local_print(void)
2714 if (dlt_user_initialised==0)
2722 dlt_user.enable_local_print = 1;
2727 int dlt_disable_local_print(void)
2729 if (dlt_user_initialised==0)
2737 dlt_user.enable_local_print = 0;
2742 void dlt_user_receiverthread_function(__attribute__((unused)) void *ptr)
2746 /* Check for new messages from DLT daemon */
2747 if (dlt_user_log_check_user_message()==-1)
2749 /* Critical error */
2750 dlt_log(LOG_CRIT,"Receiver thread encountered error condition\n");
2753 usleep(DLT_USER_RECEIVE_DELAY); /* delay */
2757 /* Private functions of user library */
2759 int dlt_user_log_init(DltContext *handle, DltContextData *log)
2761 if (dlt_user_initialised==0)
2769 log->handle = handle;
2774 int dlt_user_queue_resend(void)
2776 static unsigned char dlt_user_queue_resend_error_counter = 0;
2778 if(dlt_user.dlt_log_handle < 0)
2780 // Fail silenty. FIFO is not open yet
2784 * Ask segmented thread to try emptying the buffer soon.
2785 * This will be freed in dlt_user_trace_network_segmented_thread
2787 s_segmented_data *resend_data = malloc(sizeof(s_segmented_data));
2789 if (NULL == resend_data)
2794 resend_data->payload_len = DLT_DELAYED_RESEND_INDICATOR_PATTERN;
2798 /* Open queue if it is not open */
2799 if(dlt_init_message_queue() < 0)
2801 if(!dlt_user_queue_resend_error_counter)
2803 // log error only when problem occurred first time
2804 dlt_log(LOG_ERR, "NWTSegmented: Could not open queue.\n");
2806 dlt_user_queue_resend_error_counter = 1;
2811 if(mq_send(dlt_user.dlt_segmented_queue_write_handle, (char *)&resend_data, sizeof(s_segmented_data *), 1) < 0)
2813 if(!dlt_user_queue_resend_error_counter)
2815 // log error only when problem occurred first time
2817 snprintf(str,254,"Could not request resending.: %s \n",strerror(errno));
2818 dlt_log(LOG_CRIT, str);
2820 dlt_user_queue_resend_error_counter = 1;
2825 dlt_user_queue_resend_error_counter = 0;
2827 //thread_data will be freed by the receiver function
2828 //coverity[leaked_storage]
2832 DltReturnValue dlt_user_log_send_log(DltContextData *log, int mtype)
2835 DltUserHeader userheader;
2838 DltReturnValue ret = DLT_RETURN_OK;
2842 return DLT_RETURN_ERROR;
2847 return DLT_RETURN_ERROR;
2850 if (dlt_user.appID[0]=='\0')
2852 return DLT_RETURN_ERROR;
2855 if (log->handle->contextID[0]=='\0')
2857 return DLT_RETURN_ERROR;
2860 if ((mtype<DLT_TYPE_LOG) || (mtype>DLT_TYPE_CONTROL))
2862 return DLT_RETURN_ERROR;
2865 /* also for Trace messages */
2866 #ifdef DLT_SHM_ENABLE
2867 if (dlt_user_set_userheader(&userheader, DLT_USER_MESSAGE_LOG_SHM)==-1)
2869 if (dlt_user_set_userheader(&userheader, DLT_USER_MESSAGE_LOG)==-1)
2872 return DLT_RETURN_ERROR;
2875 if (dlt_message_init(&msg,0)==-1)
2877 return DLT_RETURN_ERROR;
2880 msg.storageheader = (DltStorageHeader*)msg.headerbuffer;
2882 if (dlt_set_storageheader(msg.storageheader,dlt_user.ecuID)==-1)
2884 return DLT_RETURN_ERROR;
2887 msg.standardheader = (DltStandardHeader*)(msg.headerbuffer + sizeof(DltStorageHeader));
2888 msg.standardheader->htyp = DLT_HTYP_WEID | DLT_HTYP_WTMS | DLT_HTYP_PROTOCOL_VERSION1 ;
2890 if (dlt_user.verbose_mode)
2892 /* In verbose mode, send extended header */
2893 msg.standardheader->htyp = (msg.standardheader->htyp | DLT_HTYP_UEH );
2897 /* In non-verbose, send extended header if desired */
2898 #if (DLT_USER_USE_EXTENDED_HEADER_FOR_NONVERBOSE==1)
2899 msg.standardheader->htyp = (msg.standardheader->htyp | DLT_HTYP_UEH );
2903 #if (BYTE_ORDER==BIG_ENDIAN)
2904 msg.standardheader->htyp = (msg.standardheader->htyp | DLT_HTYP_MSBF);
2907 msg.standardheader->mcnt = log->handle->mcnt++;
2909 /* Set header extra parameters */
2910 dlt_set_id(msg.headerextra.ecu,dlt_user.ecuID);
2911 //msg.headerextra.seid = 0;
2912 msg.headerextra.tmsp = dlt_uptime();
2914 if (dlt_message_set_extraparameters(&msg,0)==-1)
2916 return DLT_RETURN_ERROR;
2919 /* Fill out extended header, if extended header should be provided */
2920 if (DLT_IS_HTYP_UEH(msg.standardheader->htyp))
2922 /* with extended header */
2923 msg.extendedheader = (DltExtendedHeader*)(msg.headerbuffer + sizeof(DltStorageHeader) + sizeof(DltStandardHeader) + DLT_STANDARD_HEADER_EXTRA_SIZE(msg.standardheader->htyp) );
2929 msg.extendedheader->msin = (DLT_TYPE_LOG << DLT_MSIN_MSTP_SHIFT) | ((log->log_level << DLT_MSIN_MTIN_SHIFT) & DLT_MSIN_MTIN) ; /* messsage info */
2932 case DLT_TYPE_NW_TRACE:
2934 msg.extendedheader->msin = (DLT_TYPE_NW_TRACE << DLT_MSIN_MSTP_SHIFT) | ((log->trace_status << DLT_MSIN_MTIN_SHIFT) & DLT_MSIN_MTIN) ; /* messsage info */
2939 /* This case should not occur */
2940 return DLT_RETURN_ERROR;
2945 /* If in verbose mode, set flag in header for verbose mode */
2946 if (dlt_user.verbose_mode)
2948 msg.extendedheader->msin |= DLT_MSIN_VERB;
2951 msg.extendedheader->noar = log->args_num; /* number of arguments */
2952 dlt_set_id(msg.extendedheader->apid,dlt_user.appID); /* application id */
2953 dlt_set_id(msg.extendedheader->ctid,log->handle->contextID); /* context id */
2955 msg.headersize = sizeof(DltStorageHeader) + sizeof(DltStandardHeader) + sizeof(DltExtendedHeader) + DLT_STANDARD_HEADER_EXTRA_SIZE(msg.standardheader->htyp);
2959 /* without extended header */
2960 msg.headersize = sizeof(DltStorageHeader) + sizeof(DltStandardHeader) + DLT_STANDARD_HEADER_EXTRA_SIZE(msg.standardheader->htyp);
2963 len=msg.headersize - sizeof(DltStorageHeader) +log->size;
2966 dlt_log(LOG_CRIT,"Huge message discarded!\n");
2967 return DLT_RETURN_ERROR;
2970 msg.standardheader->len = DLT_HTOBE_16(len);
2972 /* print to std out, if enabled */
2973 if ((dlt_user.local_print_mode != DLT_PM_FORCE_OFF) &&
2974 (dlt_user.local_print_mode != DLT_PM_AUTOMATIC))
2976 if ((dlt_user.enable_local_print) || (dlt_user.local_print_mode == DLT_PM_FORCE_ON))
2978 if (dlt_user_print_msg(&msg, log)==-1)
2980 return DLT_RETURN_ERROR;
2985 if (dlt_user.dlt_is_file)
2988 ret=dlt_user_log_out2(dlt_user.dlt_log_handle, msg.headerbuffer, msg.headersize, log->buffer, log->size);
2993 /* Reattach to daemon if neccesary */
2994 dlt_user_log_reattach_to_daemon();
2996 if (dlt_user.overflow_counter)
2998 if (dlt_user_log_send_overflow()==0)
3000 sprintf(str,"%u messages discarded!\n",dlt_user.overflow_counter);
3001 dlt_log(LOG_ERR, str);
3002 dlt_user.overflow_counter=0;
3006 /* try to resent old data first */
3007 ret = DLT_RETURN_OK;
3008 if(dlt_user.dlt_log_handle!=-1)
3009 ret = dlt_user_log_resend_buffer();
3010 if(ret==DLT_RETURN_OK)
3012 /* resend ok or nothing to resent */
3013 #ifdef DLT_SHM_ENABLE
3014 if(dlt_user.dlt_log_handle!=-1)
3015 dlt_shm_push(&dlt_user.dlt_shm,msg.headerbuffer+sizeof(DltStorageHeader), msg.headersize-sizeof(DltStorageHeader),
3016 log->buffer, log->size,0,0);
3019 ret = dlt_user_log_out3(dlt_user.dlt_log_handle,
3020 &(userheader), sizeof(DltUserHeader),
3025 #ifdef DLT_TEST_ENABLE
3026 if(dlt_user.corrupt_user_header) {
3027 userheader.pattern[0]=0xff;
3028 userheader.pattern[1]=0xff;
3029 userheader.pattern[2]=0xff;
3030 userheader.pattern[3]=0xff;
3032 if(dlt_user.corrupt_message_size) {
3033 msg.standardheader->len = DLT_HTOBE_16(dlt_user.corrupt_message_size_size);
3036 ret = dlt_user_log_out3(dlt_user.dlt_log_handle,
3037 &(userheader), sizeof(DltUserHeader),
3038 msg.headerbuffer+sizeof(DltStorageHeader), msg.headersize-sizeof(DltStorageHeader),
3039 log->buffer, log->size);
3043 /* store message in ringbuffer, if an error has occured */
3044 if (ret!=DLT_RETURN_OK)
3048 if (dlt_buffer_push3(&(dlt_user.startup_buffer),
3049 (unsigned char *)&(userheader), sizeof(DltUserHeader),
3050 msg.headerbuffer+sizeof(DltStorageHeader), msg.headersize-sizeof(DltStorageHeader),
3051 log->buffer, log->size)==-1)
3053 if(dlt_user.overflow_counter==0)
3056 dlt_log(LOG_ERR,"Buffer full! Messages will be discarded.\n");
3058 ret = DLT_RETURN_BUFFER_FULL;
3063 // Fail silenty if FIFO is not open
3064 if(dlt_user_queue_resend() < 0 && dlt_user.dlt_log_handle >= 0)
3066 ;//dlt_log(LOG_WARNING, "dlt_user_log_send_log: Failed to queue resending.\n");
3072 case DLT_RETURN_BUFFER_FULL:
3075 dlt_user.overflow_counter += 1;
3076 return DLT_RETURN_BUFFER_FULL;
3078 case DLT_RETURN_PIPE_FULL:
3080 /* data could not be written */
3081 return DLT_RETURN_PIPE_FULL;
3083 case DLT_RETURN_PIPE_ERROR:
3085 /* handle not open or pipe error */
3086 close(dlt_user.dlt_log_handle);
3087 dlt_user.dlt_log_handle = -1;
3089 #ifdef DLT_SHM_ENABLE
3090 /* free shared memory */
3091 dlt_shm_free_client(&dlt_user.dlt_shm);
3094 if (dlt_user.local_print_mode == DLT_PM_AUTOMATIC)
3096 dlt_user_print_msg(&msg, log);
3099 return DLT_RETURN_PIPE_ERROR;
3101 case DLT_RETURN_ERROR:
3103 /* other error condition */
3104 return DLT_RETURN_ERROR;
3108 return DLT_RETURN_OK;
3112 /* This case should never occur. */
3113 return DLT_RETURN_ERROR;
3118 return DLT_RETURN_OK;
3121 int dlt_user_log_send_register_application(void)
3123 DltUserHeader userheader;
3124 DltUserControlMsgRegisterApplication usercontext;
3128 if (dlt_user.appID[0]=='\0')
3133 /* set userheader */
3134 if (dlt_user_set_userheader(&userheader, DLT_USER_MESSAGE_REGISTER_APPLICATION)==-1)
3139 /* set usercontext */
3140 dlt_set_id(usercontext.apid,dlt_user.appID); /* application id */
3141 usercontext.pid = getpid();
3143 if (dlt_user.application_description!=0)
3145 usercontext.description_length = strlen(dlt_user.application_description);
3149 usercontext.description_length = 0;
3152 if (dlt_user.dlt_is_file)
3158 ret=dlt_user_log_out3(dlt_user.dlt_log_handle, &(userheader), sizeof(DltUserHeader), &(usercontext), sizeof(DltUserControlMsgRegisterApplication),dlt_user.application_description,usercontext.description_length);
3160 /* store message in ringbuffer, if an error has occured */
3161 if (ret!=DLT_RETURN_OK)
3165 if (dlt_buffer_push3(&(dlt_user.startup_buffer),
3166 (unsigned char *)&(userheader), sizeof(DltUserHeader),
3167 (const unsigned char*)&(usercontext), sizeof(DltUserControlMsgRegisterApplication),
3168 (const unsigned char*)dlt_user.application_description, usercontext.description_length)==-1)
3170 dlt_log(LOG_ERR,"Storing message to history buffer failed! Message discarded.\n");
3177 if(dlt_user_queue_resend() < 0 && dlt_user.dlt_log_handle >= 0)
3179 ;//dlt_log(LOG_WARNING, "dlt_user_log_send_register_application: Failed to queue resending.\n");
3186 int dlt_user_log_send_unregister_application(void)
3188 DltUserHeader userheader;
3189 DltUserControlMsgUnregisterApplication usercontext;
3193 if (dlt_user.appID[0]=='\0')
3198 /* set userheader */
3199 if (dlt_user_set_userheader(&userheader, DLT_USER_MESSAGE_UNREGISTER_APPLICATION)==-1)
3204 /* set usercontext */
3205 dlt_set_id(usercontext.apid,dlt_user.appID); /* application id */
3206 usercontext.pid = getpid();
3208 if (dlt_user.dlt_is_file)
3214 ret=dlt_user_log_out2(dlt_user.dlt_log_handle, &(userheader), sizeof(DltUserHeader), &(usercontext), sizeof(DltUserControlMsgUnregisterApplication));
3215 return ((ret==DLT_RETURN_OK)?0:-1);
3218 int dlt_user_log_send_register_context(DltContextData *log)
3220 DltUserHeader userheader;
3221 DltUserControlMsgRegisterContext usercontext;
3234 if ((dlt_user.appID[0]=='\0') || (log->handle->contextID=='\0'))
3239 /* set userheader */
3240 if (dlt_user_set_userheader(&userheader, DLT_USER_MESSAGE_REGISTER_CONTEXT)==-1)
3245 /* set usercontext */
3246 dlt_set_id(usercontext.apid,dlt_user.appID); /* application id */
3247 dlt_set_id(usercontext.ctid,log->handle->contextID); /* context id */
3248 usercontext.log_level_pos = log->handle->log_level_pos;
3249 usercontext.pid = getpid();
3251 usercontext.log_level = (int8_t)log->log_level;
3252 usercontext.trace_status = (int8_t)log->trace_status;
3254 if (log->context_description!=0)
3256 usercontext.description_length = strlen(log->context_description);
3260 usercontext.description_length = 0;
3263 if (dlt_user.dlt_is_file)
3269 ret=dlt_user_log_out3(dlt_user.dlt_log_handle, &(userheader), sizeof(DltUserHeader), &(usercontext), sizeof(DltUserControlMsgRegisterContext),log->context_description,usercontext.description_length);
3271 /* store message in ringbuffer, if an error has occured */
3272 if (ret!=DLT_RETURN_OK)
3276 if (dlt_buffer_push3(&(dlt_user.startup_buffer),
3277 (unsigned char *)&(userheader), sizeof(DltUserHeader),
3278 (const unsigned char*)&(usercontext), sizeof(DltUserControlMsgRegisterContext),
3279 (const unsigned char*)log->context_description, usercontext.description_length)==-1)
3281 dlt_log(LOG_ERR,"Storing message to history buffer failed! Message discarded.\n");
3288 if(dlt_user_queue_resend() < 0 && dlt_user.dlt_log_handle >= 0)
3290 ;//dlt_log(LOG_WARNING, "dlt_user_log_send_register_context: Failed to queue resending.\n");
3298 int dlt_user_log_send_unregister_context(DltContextData *log)
3300 DltUserHeader userheader;
3301 DltUserControlMsgUnregisterContext usercontext;
3314 if ((dlt_user.appID[0]=='\0') || (log->handle->contextID=='\0'))
3319 /* set userheader */
3320 if (dlt_user_set_userheader(&userheader, DLT_USER_MESSAGE_UNREGISTER_CONTEXT)==-1)
3325 /* set usercontext */
3326 dlt_set_id(usercontext.apid,dlt_user.appID); /* application id */
3327 dlt_set_id(usercontext.ctid,log->handle->contextID); /* context id */
3328 usercontext.pid = getpid();
3330 if (dlt_user.dlt_is_file)
3336 ret=dlt_user_log_out2(dlt_user.dlt_log_handle, &(userheader), sizeof(DltUserHeader), &(usercontext), sizeof(DltUserControlMsgUnregisterContext));
3337 return ((ret==DLT_RETURN_OK)?0:-1);
3340 int dlt_send_app_ll_ts_limit(const char *appid, DltLogLevelType loglevel, DltTraceStatusType tracestatus)
3342 DltUserHeader userheader;
3343 DltUserControlMsgAppLogLevelTraceStatus usercontext;
3346 if ((appid==0) || (appid[0]=='\0'))
3351 /* Removed because of DltLogLevelType and DltTraceStatusType
3353 if ((loglevel<DLT_LOG_DEFAULT) || (loglevel>DLT_LOG_VERBOSE))
3358 if ((tracestatus<DLT_TRACE_STATUS_DEFAULT) || (tracestatus>DLT_TRACE_STATUS_ON))
3365 /* set userheader */
3366 if (dlt_user_set_userheader(&userheader, DLT_USER_MESSAGE_APP_LL_TS)==-1)
3371 /* set usercontext */
3372 dlt_set_id(usercontext.apid,appid); /* application id */
3373 usercontext.log_level = loglevel;
3374 usercontext.trace_status = tracestatus;
3376 if (dlt_user.dlt_is_file)
3382 ret=dlt_user_log_out2(dlt_user.dlt_log_handle, &(userheader), sizeof(DltUserHeader), &(usercontext), sizeof(DltUserControlMsgAppLogLevelTraceStatus));
3383 return ((ret==DLT_RETURN_OK)?0:-1);
3386 int dlt_user_log_send_log_mode(DltUserLogMode mode)
3388 DltUserHeader userheader;
3389 DltUserControlMsgLogMode logmode;
3393 /* set userheader */
3394 if (dlt_user_set_userheader(&userheader, DLT_USER_MESSAGE_LOG_MODE)==-1)
3400 logmode.log_mode = (unsigned char) mode;
3402 if (dlt_user.dlt_is_file)
3408 ret=dlt_user_log_out2(dlt_user.dlt_log_handle, &(userheader), sizeof(DltUserHeader), &(logmode), sizeof(DltUserControlMsgLogMode));
3409 return ((ret==DLT_RETURN_OK)?0:-1);
3412 int dlt_user_print_msg(DltMessage *msg, DltContextData *log)
3414 uint8_t *databuffer_tmp;
3415 int32_t datasize_tmp;
3416 int32_t databuffersize_tmp;
3417 static char text[DLT_USER_TEXT_LENGTH];
3419 if ((msg==0) || (log==0))
3424 /* Save variables before print */
3425 databuffer_tmp = msg->databuffer;
3426 datasize_tmp = msg->datasize;
3427 databuffersize_tmp = msg->databuffersize;
3429 /* Act like a receiver, convert header back to host format */
3430 msg->standardheader->len = DLT_BETOH_16(msg->standardheader->len);
3431 dlt_message_get_extraparameters(msg,0);
3433 msg->databuffer = log->buffer;
3434 msg->datasize = log->size;
3435 msg->databuffersize = log->size;
3437 /* Print message as ASCII */
3438 if (dlt_message_print_ascii(msg,text,DLT_USER_TEXT_LENGTH,0)==-1)
3443 /* Restore variables and set len to BE*/
3444 msg->databuffer = databuffer_tmp;
3445 msg->databuffersize = databuffersize_tmp;
3446 msg->datasize = datasize_tmp;
3448 msg->standardheader->len = DLT_HTOBE_16(msg->standardheader->len);
3453 int dlt_user_log_check_user_message(void)
3460 DltUserHeader *userheader;
3461 DltReceiver *receiver = &(dlt_user.receiver);
3463 DltUserControlMsgLogLevel *usercontextll;
3464 DltUserControlMsgInjection *usercontextinj;
3465 DltUserControlMsgLogState *userlogstate;
3466 unsigned char *userbuffer;
3468 /* For delayed calling of injection callback, to avoid deadlock */
3469 DltUserInjectionCallback delayed_injection_callback;
3470 unsigned char *delayed_inject_buffer = 0;
3471 uint32_t delayed_inject_data_length = 0;
3473 /* Ensure that callback is null before searching for it */
3474 delayed_injection_callback.injection_callback = 0;
3475 delayed_injection_callback.service_id = 0;
3477 if (dlt_user.dlt_user_handle!=DLT_FD_INIT)
3481 if (dlt_receiver_receive_fd(receiver)<=0)
3483 /* No new message available */
3487 /* look through buffer as long as data is in there */
3490 if (receiver->bytesRcvd < (int32_t)sizeof(DltUserHeader))
3495 /* resync if necessary */
3499 userheader = (DltUserHeader*) (receiver->buf+offset);
3501 /* Check for user header pattern */
3502 if (dlt_user_check_userheader(userheader))
3509 while ((int32_t)(sizeof(DltUserHeader)+offset)<=receiver->bytesRcvd);
3511 /* Check for user header pattern */
3512 if (dlt_user_check_userheader(userheader)<0 ||
3513 dlt_user_check_userheader(userheader)==0)
3518 /* Set new start offset */
3521 receiver->buf+=offset;
3522 receiver->bytesRcvd-=offset;
3525 switch (userheader->message)
3527 case DLT_USER_MESSAGE_LOG_LEVEL:
3529 if (receiver->bytesRcvd < (int32_t)(sizeof(DltUserHeader)+sizeof(DltUserControlMsgLogLevel)))
3535 usercontextll = (DltUserControlMsgLogLevel*) (receiver->buf+sizeof(DltUserHeader));
3537 /* Update log level and trace status */
3538 if (usercontextll!=0)
3542 if ((usercontextll->log_level_pos >= 0) && (usercontextll->log_level_pos < (int32_t)dlt_user.dlt_ll_ts_num_entries))
3544 // printf("Store ll, ts\n");
3545 if (dlt_user.dlt_ll_ts)
3547 dlt_user.dlt_ll_ts[usercontextll->log_level_pos].log_level = usercontextll->log_level;
3548 dlt_user.dlt_ll_ts[usercontextll->log_level_pos].trace_status = usercontextll->trace_status;
3549 if(dlt_user.dlt_ll_ts[usercontextll->log_level_pos].log_level_ptr)
3550 *(dlt_user.dlt_ll_ts[usercontextll->log_level_pos].log_level_ptr) = usercontextll->log_level;
3551 if(dlt_user.dlt_ll_ts[usercontextll->log_level_pos].trace_status_ptr)
3552 *(dlt_user.dlt_ll_ts[usercontextll->log_level_pos].trace_status_ptr) = usercontextll->trace_status;
3559 /* keep not read data in buffer */
3560 if (dlt_receiver_remove(receiver,sizeof(DltUserHeader)+sizeof(DltUserControlMsgLogLevel))==-1)
3566 case DLT_USER_MESSAGE_INJECTION:
3568 /* At least, user header, user context, and service id and data_length of injected message is available */
3569 if (receiver->bytesRcvd < (int32_t)(sizeof(DltUserHeader)+sizeof(DltUserControlMsgInjection)))
3575 usercontextinj = (DltUserControlMsgInjection*) (receiver->buf+sizeof(DltUserHeader));
3576 userbuffer = (unsigned char*) (receiver->buf+sizeof(DltUserHeader)+sizeof(DltUserControlMsgInjection));
3581 if (receiver->bytesRcvd < (int32_t)(sizeof(DltUserHeader)+sizeof(DltUserControlMsgInjection)+usercontextinj->data_length_inject))
3589 if ((usercontextinj->data_length_inject>0) && (dlt_user.dlt_ll_ts))
3591 /* Check if injection callback is registered for this context */
3592 for (i=0; i<dlt_user.dlt_ll_ts[usercontextinj->log_level_pos].nrcallbacks;i++)
3594 if ((dlt_user.dlt_ll_ts[usercontextinj->log_level_pos].injection_table) &&
3595 (dlt_user.dlt_ll_ts[usercontextinj->log_level_pos].injection_table[i].service_id == usercontextinj->service_id))
3597 /* Prepare delayed injection callback call */
3598 if (dlt_user.dlt_ll_ts[usercontextinj->log_level_pos].injection_table[i].injection_callback!=0)
3600 delayed_injection_callback.injection_callback = dlt_user.dlt_ll_ts[usercontextinj->log_level_pos].injection_table[i].injection_callback;
3601 delayed_injection_callback.service_id = usercontextinj->service_id;
3602 delayed_inject_data_length = usercontextinj->data_length_inject;
3603 delayed_inject_buffer = malloc(delayed_inject_data_length);
3604 if(delayed_inject_buffer != 0) {
3605 memcpy(delayed_inject_buffer, userbuffer, delayed_inject_data_length);
3616 /* Delayed injection callback call */
3617 if(delayed_inject_buffer != 0 && delayed_injection_callback.injection_callback != 0) {
3618 delayed_injection_callback.injection_callback(delayed_injection_callback.service_id, delayed_inject_buffer, delayed_inject_data_length);
3619 delayed_injection_callback.injection_callback = 0;
3620 free(delayed_inject_buffer);
3621 delayed_inject_buffer = NULL;
3625 /* keep not read data in buffer */
3626 if (dlt_receiver_remove(receiver,(sizeof(DltUserHeader)+sizeof(DltUserControlMsgInjection)+usercontextinj->data_length_inject))==-1)
3633 case DLT_USER_MESSAGE_LOG_STATE:
3635 /* At least, user header, user context, and service id and data_length of injected message is available */
3636 if (receiver->bytesRcvd < (int32_t)(sizeof(DltUserHeader)+sizeof(DltUserControlMsgLogState)))
3642 userlogstate = (DltUserControlMsgLogState*) (receiver->buf+sizeof(DltUserHeader));
3643 dlt_user.log_state = userlogstate->log_state;
3645 /* keep not read data in buffer */
3646 if (dlt_receiver_remove(receiver,(sizeof(DltUserHeader)+sizeof(DltUserControlMsgLogState)))==-1)
3654 dlt_log(LOG_ERR,"Invalid user message type received!\n");
3656 dlt_receiver_remove(receiver,sizeof(DltUserHeader));
3657 /* In next invocation of while loop, a resync will be triggered if additional data was received */
3670 if (dlt_receiver_move_to_begin(receiver)==-1)
3674 } /* while receive */
3677 return DLT_RETURN_OK;
3680 int dlt_user_log_resend_buffer(void)
3686 /* Send content of ringbuffer */
3688 count = dlt_buffer_get_message_count(&(dlt_user.startup_buffer));
3691 for (num=0;num<count;num++)
3695 size = dlt_buffer_copy(&(dlt_user.startup_buffer),dlt_user.resend_buffer,sizeof(dlt_user.resend_buffer));
3699 #ifdef DLT_SHM_ENABLE
3700 dlt_shm_push(&dlt_user.dlt_shm,dlt_user.resend_buffer+sizeof(DltUserHeader),size-sizeof(DltUserHeader),0,0,0,0);
3703 ret = dlt_user_log_out3(dlt_user.dlt_log_handle, dlt_user.resend_buffer,sizeof(DltUserHeader),0,0,0,0);
3706 ret = dlt_user_log_out3(dlt_user.dlt_log_handle, dlt_user.resend_buffer,size,0,0,0,0);
3709 /* in case of error, keep message in ringbuffer */
3710 if (ret==DLT_RETURN_OK)
3712 dlt_buffer_remove(&(dlt_user.startup_buffer));
3716 /* keep message in ringbuffer */
3727 void dlt_user_log_reattach_to_daemon(void)
3729 uint32_t num,reregistered=0;
3732 DltContextData log_new;
3734 if (dlt_user.dlt_log_handle<0)
3736 dlt_user.dlt_log_handle=-1;
3738 /* try to open pipe to dlt daemon */
3739 dlt_user.dlt_log_handle = open(DLT_USER_FIFO, O_WRONLY | O_NONBLOCK);
3740 if (dlt_user.dlt_log_handle > 0)
3742 if (dlt_user_log_init(&handle,&log_new)==-1)
3747 #ifdef DLT_SHM_ENABLE
3748 /* init shared memory */
3749 if (dlt_shm_init_client(&dlt_user.dlt_shm,DLT_SHM_KEY) < 0)
3751 sprintf(str,"Loging disabled, Shared memory %d cannot be created!\n",DLT_SHM_KEY);
3752 dlt_log(LOG_WARNING, str);
3757 dlt_log(LOG_NOTICE, "Logging re-enabled!\n");
3759 /* Re-register application */
3760 if (dlt_user_log_send_register_application()==-1)
3767 /* Re-register all stored contexts */
3768 for (num=0; num<dlt_user.dlt_ll_ts_num_entries; num++)
3770 /* Re-register stored context */
3771 if ((dlt_user.appID[0]!='\0') && (dlt_user.dlt_ll_ts) && (dlt_user.dlt_ll_ts[num].contextID[0]!='\0'))
3773 //dlt_set_id(log_new.appID, dlt_user.appID);
3774 dlt_set_id(handle.contextID, dlt_user.dlt_ll_ts[num].contextID);
3775 handle.log_level_pos = num;
3776 log_new.context_description = dlt_user.dlt_ll_ts[num].context_description;
3778 log_new.log_level = DLT_USER_LOG_LEVEL_NOT_SET;
3779 log_new.trace_status = DLT_USER_TRACE_STATUS_NOT_SET;
3781 if (dlt_user_log_send_register_context(&log_new)==-1)
3793 if (reregistered==1)
3795 dlt_user_log_resend_buffer();
3801 int dlt_user_log_send_overflow(void)
3803 DltUserHeader userheader;
3804 DltUserControlMsgBufferOverflow userpayload;
3807 /* set userheader */
3808 if (dlt_user_set_userheader(&userheader, DLT_USER_MESSAGE_OVERFLOW)==-1)
3813 if (dlt_user.dlt_is_file)
3818 /* set user message parameters */
3819 userpayload.overflow_counter = dlt_user.overflow_counter;
3820 dlt_set_id(userpayload.apid,dlt_user.appID);
3823 ret=dlt_user_log_out2(dlt_user.dlt_log_handle, &(userheader), sizeof(DltUserHeader),
3824 &(userpayload), sizeof(DltUserControlMsgBufferOverflow));
3825 return ((ret==DLT_RETURN_OK)?0:-1);
3828 int dlt_user_check_buffer(int *total_size, int *used_size)
3830 #ifdef DLT_SHM_ENABLE
3831 *total_size = dlt_shm_get_total_size(&(dlt_user.dlt_shm));
3832 *used_size = dlt_shm_get_used_size(&(dlt_user.dlt_shm));
3834 *total_size = dlt_buffer_get_total_size(&(dlt_user.startup_buffer));
3835 *used_size = dlt_buffer_get_used_size(&(dlt_user.startup_buffer));
3841 #ifdef DLT_TEST_ENABLE
3842 void dlt_user_test_corrupt_user_header(int enable)
3844 dlt_user.corrupt_user_header = enable;
3846 void dlt_user_test_corrupt_message_size(int enable,int16_t size)
3848 dlt_user.corrupt_message_size = enable;
3849 dlt_user.corrupt_message_size_size = size;