Initials Date Comment
aw 13.01.2010 initial
*/
-
#include <stdlib.h> /* for getenv(), free(), atexit() */
#include <string.h> /* for strcmp(), strncmp(), strlen(), memset(), memcpy() */
#include <signal.h> /* for signal(), SIGPIPE, SIG_IGN */
#include <pthread.h> /* POSIX Threads */
#endif
+#include <sys/time.h>
+#include <math.h>
+
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/uio.h> /* writev() */
+#include <limits.h>
+
#include "dlt_user.h"
#include "dlt_user_shared.h"
#include "dlt_user_shared_cfg.h"
static pthread_t dlt_receiverthread_handle;
static pthread_attr_t dlt_receiverthread_attr;
+/* Segmented Network Trace */
+#define DLT_MAX_TRACE_SEGMENT_SIZE 1024
+#define DLT_MESSAGE_QUEUE_NAME "/dlt_message_queue"
+#define DLT_DELAYED_RESEND_INDICATOR_PATTERN 0xFFFF
+
+/* Mutex to wait on while message queue is not initialized */
+pthread_mutex_t mq_mutex;
+pthread_cond_t mq_init_condition;
+
+/* Structure to pass data to segmented thread */
+typedef struct {
+ DltContext *handle;
+ uint16_t id;
+ DltNetworkTraceType nw_trace_type;
+ uint16_t header_len;
+ void *header;
+ uint16_t payload_len;
+ void *payload;
+} s_segmented_data;
+
/* Function prototypes for internally used functions */
static void dlt_user_receiverthread_function(void *ptr);
static void dlt_user_atexit_handler(void);
static int dlt_user_log_init(DltContext *handle, DltContextData *log);
-static int dlt_user_log_send_log(DltContextData *log, int mtype);
+static DltReturnValue dlt_user_log_send_log(DltContextData *log, int mtype);
static int dlt_user_log_send_register_application(void);
static int dlt_user_log_send_unregister_application(void);
static int dlt_user_log_send_register_context(DltContextData *log);
static int dlt_user_log_send_log_mode(DltUserLogMode mode);
static int dlt_user_print_msg(DltMessage *msg, DltContextData *log);
static int dlt_user_log_check_user_message(void);
-static int dlt_user_log_resend_buffer(void);
static void dlt_user_log_reattach_to_daemon(void);
static int dlt_user_log_send_overflow(void);
+static void dlt_user_trace_network_segmented_thread(void *unused);
+static void dlt_user_trace_network_segmented_thread_segmenter(s_segmented_data *data);
+static int dlt_user_queue_resend(void);
int dlt_user_check_library_version(const char *user_major_version,const char *user_minor_version){
dlt_log(LOG_WARNING, "Can't destroy thread attributes!\n");
}
- return 0;
+ /* These will be lazy initialized only when needed */
+ dlt_user.dlt_segmented_queue_read_handle = -1;
+ dlt_user.dlt_segmented_queue_write_handle = -1;
+
+ /* Wait mutext for segmented thread */
+ pthread_mutex_init(&mq_mutex, NULL);
+ pthread_cond_init(&mq_init_condition, NULL);
+
+ /* Start the segmented thread */
+ if(pthread_create(&(dlt_user.dlt_segmented_nwt_handle), NULL,
+ (void *)dlt_user_trace_network_segmented_thread, NULL))
+ {
+ dlt_log(LOG_CRIT, "Can't start segmented thread!\n");
+ return -1;
+ }
+
+ return 0;
}
int dlt_init_file(const char *name)
return 0;
}
+int dlt_init_message_queue(void)
+{
+ pthread_mutex_lock(&mq_mutex);
+ if(dlt_user.dlt_segmented_queue_read_handle >= 0 &&
+ dlt_user.dlt_segmented_queue_write_handle >= 0)
+ {
+ // Already intialized
+ pthread_mutex_unlock(&mq_mutex);
+ return 0;
+ }
+
+ /* Generate per process name for queue */
+ char queue_name[NAME_MAX];
+ sprintf(queue_name, "%s.%d", DLT_MESSAGE_QUEUE_NAME, getpid());
+
+ /* Maximum queue size is 10, limit to size of pointers */
+ struct mq_attr mqatr;
+ mqatr.mq_flags = 0;
+ mqatr.mq_maxmsg = 10;
+ mqatr.mq_msgsize = sizeof(s_segmented_data *);
+ mqatr.mq_curmsgs = 0;
+
+ /**
+ * Create the message queue. It must be newly created
+ * if old one was left by a crashing process.
+ * */
+ dlt_user.dlt_segmented_queue_read_handle = mq_open(queue_name, O_CREAT| O_RDONLY | O_EXCL,
+ S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH, &mqatr);
+ if(dlt_user.dlt_segmented_queue_read_handle < 0)
+ {
+ if(errno == EEXIST)
+ {
+ dlt_log(LOG_WARNING, "Old message queue exists, trying to delete.\n");
+ if(mq_unlink(queue_name) < 0)
+ {
+ char str[256];
+ snprintf(str,255,"Could not delete existing message queue!: %s \n",strerror(errno));
+ dlt_log(LOG_CRIT, str);
+ }
+ else // Retry
+ {
+ dlt_user.dlt_segmented_queue_read_handle = mq_open(queue_name, O_CREAT| O_RDONLY | O_EXCL,
+ S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH, &mqatr);
+ }
+ }
+ if(dlt_user.dlt_segmented_queue_read_handle < 0)
+ {
+ char str[256];
+ snprintf(str,255,"Can't create message queue read handle!: %s \n",strerror(errno));
+ dlt_log(LOG_CRIT, str);
+ pthread_mutex_unlock(&mq_mutex);
+ return -1;
+ }
+ }
+
+ dlt_user.dlt_segmented_queue_write_handle = mq_open(queue_name, O_WRONLY|O_NONBLOCK);
+ if(dlt_user.dlt_segmented_queue_write_handle < 0)
+ {
+
+ char str[256];
+ snprintf(str,255,"Can't open message queue write handle!: %s \n",strerror(errno));
+ dlt_log(LOG_CRIT, str);
+ pthread_mutex_unlock(&mq_mutex);
+ return -1;
+ }
+
+ pthread_cond_signal(&mq_init_condition);
+ pthread_mutex_unlock(&mq_mutex);
+ return 0;
+}
+
int dlt_init_common(void)
{
char *env_local_print;
}
/* Initialize LogLevel/TraceStatus field */
+ DLT_SEM_LOCK();
dlt_user.dlt_ll_ts = 0;
dlt_user.dlt_ll_ts_max_num_entries = 0;
dlt_user.dlt_ll_ts_num_entries = 0;
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)
{
dlt_user_initialised = 0;
+ DLT_SEM_FREE();
return -1;
}
+ DLT_SEM_FREE();
signal(SIGPIPE,SIG_IGN); /* ignore pipe signals */
void dlt_user_atexit_handler(void)
{
+ if (dlt_user_initialised==0)
+ {
+ return;
+ }
/* Try to resend potential log messages in the user buffer */
int count = dlt_user_atexit_blow_out_user_buffer();
/* Ignore return value */
dlt_buffer_free_dynamic(&(dlt_user.startup_buffer));
+ DLT_SEM_LOCK();
if (dlt_user.dlt_ll_ts)
{
for (i=0;i<dlt_user.dlt_ll_ts_max_num_entries;i++)
dlt_user.dlt_ll_ts_max_num_entries = 0;
dlt_user.dlt_ll_ts_num_entries = 0;
}
+ DLT_SEM_FREE();
+
+ if (dlt_user.dlt_segmented_nwt_handle)
+ {
+ pthread_cancel(dlt_user.dlt_segmented_nwt_handle);
+ }
+
+ char queue_name[NAME_MAX];
+ sprintf(queue_name, "%s.%d", DLT_MESSAGE_QUEUE_NAME, getpid());
+
+ /**
+ * Ignore errors from these, to not to spam user if dlt_free
+ * is accidentally called multiple times.
+ */
+ mq_close(dlt_user.dlt_segmented_queue_write_handle);
+ mq_close(dlt_user.dlt_segmented_queue_read_handle);
+ mq_unlink(queue_name);
dlt_user_initialised = 0;
}
DLT_SEM_FREE();
+
+ if(dlt_user_queue_resend() < 0 && dlt_user.dlt_log_handle >= 0)
+ {
+ dlt_log(LOG_WARNING, "dlt_forward_msg: Failed to queue resending.\n");
+ }
}
switch (ret)
return -1;
}
- return dlt_user_log_send_log(log, DLT_TYPE_LOG);
+ return dlt_user_log_send_log(log, DLT_TYPE_LOG) < 0 ? -1 : 0;
}
int dlt_user_log_write_raw(DltContextData *log,void *data,uint16_t length)
return -1;
}
- type_info = DLT_TYPE_INFO_STRG;
+ type_info = DLT_TYPE_INFO_STRG | DLT_SCOD_ASCII;
+
+ memcpy((log->buffer)+log->size,&(type_info),sizeof(uint32_t));
+ log->size += sizeof(uint32_t);
+ }
+
+ arg_size = strlen(text) + 1;
+
+ memcpy((log->buffer)+log->size,&(arg_size),sizeof(uint16_t));
+ log->size += sizeof(uint16_t);
+
+ memcpy((log->buffer)+log->size,text,arg_size);
+ log->size += arg_size;
+
+ log->args_num ++;
+
+ return 0;
+}
+
+int dlt_user_log_write_utf8_string(DltContextData *log, const char *text)
+{
+ uint16_t arg_size;
+ uint32_t type_info;
+
+ if ((log==0) || (text==0))
+ {
+ return -1;
+ }
+
+ arg_size = strlen(text)+1;
+
+ if ((log->size+arg_size+sizeof(uint16_t))>DLT_USER_BUF_MAX_SIZE)
+ {
+ return -1;
+ }
+
+ if (dlt_user.verbose_mode)
+ {
+ if ((log->size+arg_size+sizeof(uint32_t)+sizeof(uint16_t))>DLT_USER_BUF_MAX_SIZE)
+ {
+ return -1;
+ }
+
+ type_info = DLT_TYPE_INFO_STRG | DLT_SCOD_UTF8;
memcpy((log->buffer)+log->size,&(type_info),sizeof(uint32_t));
log->size += sizeof(uint32_t);
return 0;
}
+/**
+ * NW Trace related
+ */
+
+
+int check_buffer()
+{
+ int total_size, used_size;
+ dlt_user_check_buffer(&total_size, &used_size);
+
+ if((total_size - used_size) < (total_size/2))
+ {
+ return -1;
+ }
+ return 1;
+}
+
+/**
+ * Send the start of a segment chain.
+ * Returns -1 on failure
+ */
+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)
+{
+
+ DltContextData log;
+ struct timeval tv;
+
+ if (handle==NULL)
+ {
+ return -1;
+ }
+
+ if (dlt_user_log_init(handle, &log)==-1)
+ {
+ return -1;
+ }
+
+ DLT_SEM_LOCK();
+
+ if (dlt_user.dlt_ll_ts==0)
+ {
+ DLT_SEM_FREE();
+ return -1;
+ }
+
+ if (dlt_user.dlt_ll_ts[handle->log_level_pos].trace_status==DLT_TRACE_STATUS_ON)
+ {
+ DLT_SEM_FREE();
+
+ log.args_num = 0;
+ log.trace_status = nw_trace_type;
+ log.size = 0;
+
+ gettimeofday(&tv, NULL);
+ *id = tv.tv_usec;
+
+ /* Write identifier */
+ if(dlt_user_log_write_string(&log, "NWST") < 0)
+ {
+ return -1;
+ }
+
+ /* Write stream handle */
+ if(dlt_user_log_write_uint16(&log, *id) < 0)
+ {
+ return -1;
+ }
+
+ /* Write header */
+ if(dlt_user_log_write_raw(&log, header, header_len) < 0)
+ {
+ return -1;
+ }
+
+ /* Write size of payload */
+ if(dlt_user_log_write_uint16(&log, payload_len) < 0)
+ {
+ return -1;
+ }
+
+ /* Write expected segment count */
+ uint16_t segment_count = payload_len/DLT_MAX_TRACE_SEGMENT_SIZE+1;
+
+ /* If segments align perfectly with segment size, avoid sending empty segment */
+ if((payload_len % DLT_MAX_TRACE_SEGMENT_SIZE) == 0)
+ {
+ segment_count--;
+ }
+
+ if(dlt_user_log_write_uint16(&log, segment_count) < 0)
+ {
+ return -1;
+ }
+
+ /* Write length of one segment */
+ if(dlt_user_log_write_uint16(&log, DLT_MAX_TRACE_SEGMENT_SIZE) < 0)
+ {
+ return -1;
+ }
+
+ /* Send log */
+ return dlt_user_log_send_log(&log, DLT_TYPE_NW_TRACE);
+ }
+ else
+ {
+ DLT_SEM_FREE();
+ }
+ return 0;
+}
+
+int dlt_user_trace_network_segmented_segment(uint16_t id, DltContext *handle, DltNetworkTraceType nw_trace_type, int sequence, uint16_t payload_len, void *payload)
+{
+ while(check_buffer() < 0)
+ {
+ usleep(1000*50); // Wait 50ms
+ dlt_user_log_resend_buffer();
+ }
+
+ if (handle==NULL)
+ {
+ return -1;
+ }
+
+ DltContextData log;
+
+ if (dlt_user_log_init(handle, &log)==-1)
+ {
+ return -1;
+ }
+
+ DLT_SEM_LOCK();
+
+ if (dlt_user.dlt_ll_ts==0)
+ {
+ DLT_SEM_FREE();
+ return -1;
+ }
+
+ if (dlt_user.dlt_ll_ts[handle->log_level_pos].trace_status==DLT_TRACE_STATUS_ON)
+ {
+ DLT_SEM_FREE();
+
+ log.args_num = 0;
+ log.trace_status = nw_trace_type;
+ log.size = 0;
+
+ /* Write identifier */
+ if(dlt_user_log_write_string(&log, "NWCH") < 0)
+ {
+ return -1;
+ }
+
+ /* Write stream handle */
+ if(dlt_user_log_write_uint16(&log, id) < 0)
+ {
+ return -1;
+ }
+
+ /* Write segment sequence number */
+ if(dlt_user_log_write_uint16(&log, sequence) < 0)
+ {
+ return -1;
+ }
+
+ /* Write data */
+ if(dlt_user_log_write_raw(&log, payload, payload_len) < 0)
+ {
+ return -1;
+ }
+
+ /* Send log */
+ return dlt_user_log_send_log(&log, DLT_TYPE_NW_TRACE);
+ }
+ else
+ {
+ DLT_SEM_FREE();
+ }
+
+ /* Allow other threads to log between chunks */
+ pthread_yield();
+ return 0;
+}
+
+int dlt_user_trace_network_segmented_end(uint16_t id, DltContext *handle, DltNetworkTraceType nw_trace_type)
+{
+ DltContextData log;
+
+ if (handle==0)
+ {
+ return -1;
+ }
+
+ if (dlt_user_log_init(handle, &log)==-1)
+ {
+ return -1;
+ }
+
+
+
+ DLT_SEM_LOCK();
+
+ if (dlt_user.dlt_ll_ts==0)
+ {
+ DLT_SEM_FREE();
+ return -1;
+ }
+
+ if (dlt_user.dlt_ll_ts[handle->log_level_pos].trace_status==DLT_TRACE_STATUS_ON)
+ {
+ DLT_SEM_FREE();
+
+ log.args_num = 0;
+ log.trace_status = nw_trace_type;
+ log.size = 0;
+
+ /* Write identifier */
+ if(dlt_user_log_write_string(&log, "NWEN") < 0)
+ {
+ return -1;
+ }
+
+ /* Write stream handle */
+ if(dlt_user_log_write_uint(&log, id) < 0)
+ {
+ return -1;
+ }
+
+ /* Send log */
+ return dlt_user_log_send_log(&log, DLT_TYPE_NW_TRACE);
+ }
+ else
+ {
+ DLT_SEM_FREE();
+ }
+ return 0;
+}
+
+
+void dlt_user_trace_network_segmented_thread(void *unused)
+{
+ /* Unused on purpose. */
+ (void) unused;
+
+ s_segmented_data *data;
+
+ while(1)
+ {
+ // Wait until message queue is initialized
+ pthread_mutex_lock(&mq_mutex);
+ if(dlt_user.dlt_segmented_queue_read_handle < 0)
+ {
+ pthread_cond_wait(&mq_init_condition, &mq_mutex);
+ }
+ pthread_mutex_unlock(&mq_mutex);
+
+ ssize_t read = mq_receive(dlt_user.dlt_segmented_queue_read_handle, (char *)&data,
+ sizeof(s_segmented_data * ), NULL);
+
+ if(read != sizeof(s_segmented_data *))
+ {
+
+ char str[255];
+ snprintf(str,254,"NWTSegmented: Error while reading queue: %s \n",strerror(errno));
+ dlt_log(LOG_CRIT, str);
+ continue;
+ }
+
+ /* Indicator just to try to flush the buffer */
+ if(data->payload_len == DLT_DELAYED_RESEND_INDICATOR_PATTERN)
+ {
+ // Sleep 100ms, to allow other process to read FIFO
+ usleep(100*1000);
+ if(dlt_user_log_resend_buffer() < 0)
+ {
+ // Requeue if still not empty
+ if ( dlt_user_queue_resend() < 0 )
+ dlt_log(LOG_WARNING, "Failed to queue resending in dlt_user_trace_network_segmented_thread.\n");
+ }
+ free(data);
+ continue;
+ }
+
+ dlt_user_trace_network_segmented_thread_segmenter(data);
+
+ /* Send the end message */
+ DltReturnValue err = dlt_user_trace_network_segmented_end(data->id, data->handle, data->nw_trace_type);
+ if(err == DLT_RETURN_BUFFER_FULL || err == DLT_RETURN_ERROR)
+ {
+ dlt_log(LOG_ERR,"NWTSegmented: Could not send end segment.\n");
+ }
+
+ /* Free resources */
+ free(data->header);
+ free(data->payload);
+ free(data);
+ }
+}
+
+void dlt_user_trace_network_segmented_thread_segmenter(s_segmented_data *data)
+{
+ /* Segment the data and send the chunks */
+ void *ptr = NULL;
+ uint16_t offset = 0;
+ uint16_t sequence = 0;
+ do
+ {
+ uint16_t len = 0;
+ if(offset + DLT_MAX_TRACE_SEGMENT_SIZE > data->payload_len)
+ {
+ len = data->payload_len - offset;
+ }
+ else
+ {
+ len = DLT_MAX_TRACE_SEGMENT_SIZE;
+ }
+ /* If payload size aligns perfectly with segment size, avoid sending empty segment */
+ if(len == 0)
+ {
+ break;
+ }
+
+ ptr = data->payload + offset;
+ DltReturnValue err = dlt_user_trace_network_segmented_segment(data->id, data->handle, data->nw_trace_type, sequence++, len, ptr);
+ if(err == DLT_RETURN_BUFFER_FULL || err == DLT_RETURN_ERROR)
+ {
+ dlt_log(LOG_ERR,"NWTSegmented: Could not send segment. Aborting.\n");
+ break; // loop
+ }
+ offset += len;
+ }while(ptr < data->payload + data->payload_len);
+}
+
+
+int dlt_user_trace_network_segmented(DltContext *handle, DltNetworkTraceType nw_trace_type, uint16_t header_len, void *header, uint16_t payload_len, void *payload)
+{
+ /* Send as normal trace if possible */
+ if(header_len+payload_len+sizeof(uint16_t) < DLT_USER_BUF_MAX_SIZE) {
+ return dlt_user_trace_network(handle, nw_trace_type, header_len, header, payload_len, payload);
+ }
+
+ /* Allocate Memory */
+ s_segmented_data *thread_data = malloc(sizeof(s_segmented_data));
+ if(thread_data == NULL)
+ {
+ return -1;
+ }
+ thread_data->header = malloc(header_len);
+ if(thread_data->header == NULL)
+ {
+ free(thread_data);
+ return -1;
+ }
+ thread_data->payload = malloc(payload_len);
+ if(thread_data->payload == NULL)
+ {
+ free(thread_data->header);
+ free(thread_data);
+ return -1;
+ }
+
+ /* Copy data */
+ thread_data->handle = handle;
+ thread_data->nw_trace_type = nw_trace_type;
+ thread_data->header_len = header_len;
+ memcpy(thread_data->header, header, header_len);
+ thread_data->payload_len = payload_len;
+ memcpy(thread_data->payload, payload, payload_len);
+
+ /* Send start message */
+ DltReturnValue err = dlt_user_trace_network_segmented_start(&(thread_data->id),
+ thread_data->handle, thread_data->nw_trace_type,
+ thread_data->header_len, thread_data->header,
+ thread_data->payload_len);
+ if(err == DLT_RETURN_BUFFER_FULL || err == DLT_RETURN_ERROR)
+ {
+ dlt_log(LOG_ERR,"NWTSegmented: Could not send start segment. Aborting.\n");
+ free(thread_data->header);
+ free(thread_data->payload);
+ free(thread_data);
+ return -1;
+ }
+
+ /* Open queue if it is not open */
+ if(dlt_init_message_queue() < 0)
+ {
+ dlt_log(LOG_ERR, "NWTSegmented: Could not open queue.\n");
+ free(thread_data->header);
+ free(thread_data->payload);
+ free(thread_data);
+
+ return -1;
+ }
+
+ /* Add to queue */
+ if(mq_send(dlt_user.dlt_segmented_queue_write_handle,
+ (char *)&thread_data, sizeof(s_segmented_data *), 1) < 0)
+ {
+ if(errno == EAGAIN)
+ {
+ dlt_log(LOG_ERR, "NWTSegmented: Queue full. Message discarded.\n");
+ }
+ free(thread_data->header);
+ free(thread_data->payload);
+ free(thread_data);
+ char str[256];
+ snprintf(str,255,"NWTSegmented: Could not write into queue: %s \n",strerror(errno));
+ dlt_log(LOG_CRIT, str);
+ return -1;
+ }
+
+ //thread_data will be freed by the receiver function
+ //coverity[leaked_storage]
+ return 0;
+}
+
int dlt_user_trace_network(DltContext *handle, DltNetworkTraceType nw_trace_type, uint16_t header_len, void *header, uint16_t payload_len, void *payload)
{
+ return dlt_user_trace_network_truncated(handle, nw_trace_type, header_len, header, payload_len, payload, 1);
+}
+
+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)
+{
DltContextData log;
if (dlt_user_initialised==0)
header_len=0;
}
- /* Write header and its length */
- if (dlt_user_log_write_raw(&log, header, header_len)==-1)
+ /* If truncation is allowed, check if we must do it */
+ if(allow_truncate > 0 && (header_len+payload_len+sizeof(uint16_t))>DLT_USER_BUF_MAX_SIZE)
{
- return -1;
- }
+ /* Identify as truncated */
+ if(dlt_user_log_write_string(&log, "NWTR") < 0)
+ {
+ return -1;
+ }
- if (payload==0)
- {
- payload_len=0;
- }
+ /* Write header and its length */
+ if (dlt_user_log_write_raw(&log, header, header_len) < 0)
+ {
+ return -1;
+ }
+
+ /* Write original size of payload */
+ if(dlt_user_log_write_uint16(&log, payload_len) < 0)
+ {
+ return -1;
+ }
- /* Write payload and its length */
- if (dlt_user_log_write_raw(&log, payload, payload_len)==-1)
+ /**
+ * Calculate maximum avaialble space in sending buffer after headers.
+ */
+
+ int truncated_payload_len = DLT_USER_BUF_MAX_SIZE -
+ log.size - sizeof(uint16_t) - sizeof(uint32_t);
+
+ /* Write truncated payload */
+ if (dlt_user_log_write_raw(&log, payload, truncated_payload_len) < 0)
+ {
+ return -1;
+ }
+ }
+ else /* Truncation not allowed or data short enough */
{
- return -1;
+ /* Write header and its length */
+ if (dlt_user_log_write_raw(&log, header, header_len)==-1)
+ {
+ return -1;
+ }
+
+ if (payload==0)
+ {
+ payload_len=0;
+ }
+
+ /* Write payload and its length */
+ if (dlt_user_log_write_raw(&log, payload, payload_len)==-1)
+ {
+ return -1;
+ }
}
/* Send log */
return 0;
}
-int dlt_user_log_send_log(DltContextData *log, int mtype)
+int dlt_user_queue_resend(void)
+{
+ if(dlt_user.dlt_log_handle < 0)
+ {
+ // Fail silenty. FIFO is not open yet
+ return -1;
+ }
+ /**
+ * Ask segmented thread to try emptying the buffer soon.
+ * This will be freed in dlt_user_trace_network_segmented_thread
+ * */
+ s_segmented_data *resend_data = malloc(sizeof(s_segmented_data));
+
+ if (NULL == resend_data)
+ {
+ return -1;
+ }
+
+ resend_data->payload_len = DLT_DELAYED_RESEND_INDICATOR_PATTERN;
+
+
+
+ /* Open queue if it is not open */
+ if(dlt_init_message_queue() < 0)
+ {
+ dlt_log(LOG_ERR, "NWTSegmented: Could not open queue.\n");
+ free(resend_data);
+ return -1;
+ }
+
+ if(mq_send(dlt_user.dlt_segmented_queue_write_handle, (char *)&resend_data, sizeof(s_segmented_data *), 1) < 0)
+ {
+ char str[255];
+ snprintf(str,254,"Could not request resending.: %s \n",strerror(errno));
+ dlt_log(LOG_CRIT, str);
+ free(resend_data);
+ return -1;
+ }
+ //thread_data will be freed by the receiver function
+ //coverity[leaked_storage]
+ return 0;
+}
+
+DltReturnValue dlt_user_log_send_log(DltContextData *log, int mtype)
{
DltMessage msg;
DltUserHeader userheader;
int32_t len;
- DltReturnValue ret = 0;
+ DltReturnValue ret = DLT_RETURN_OK;
if (log==0)
{
- return -1;
+ return DLT_RETURN_ERROR;
}
if (log->handle==0)
{
- return -1;
+ return DLT_RETURN_ERROR;
}
if (dlt_user.appID[0]=='\0')
{
- return -1;
+ return DLT_RETURN_ERROR;
}
if (log->handle->contextID[0]=='\0')
{
- return -1;
+ return DLT_RETURN_ERROR;
}
if ((mtype<DLT_TYPE_LOG) || (mtype>DLT_TYPE_CONTROL))
{
- return -1;
+ return DLT_RETURN_ERROR;
}
/* also for Trace messages */
if (dlt_user_set_userheader(&userheader, DLT_USER_MESSAGE_LOG)==-1)
#endif
{
- return -1;
+ return DLT_RETURN_ERROR;
}
if (dlt_message_init(&msg,0)==-1)
{
- return -1;
+ return DLT_RETURN_ERROR;
}
msg.storageheader = (DltStorageHeader*)msg.headerbuffer;
if (dlt_set_storageheader(msg.storageheader,dlt_user.ecuID)==-1)
{
- return -1;
+ return DLT_RETURN_ERROR;
}
msg.standardheader = (DltStandardHeader*)(msg.headerbuffer + sizeof(DltStorageHeader));
if (dlt_message_set_extraparameters(&msg,0)==-1)
{
- return -1;
+ return DLT_RETURN_ERROR;
}
/* Fill out extended header, if extended header should be provided */
default:
{
/* This case should not occur */
- return -1;
+ return DLT_RETURN_ERROR;
break;
}
}
if (len>UINT16_MAX)
{
dlt_log(LOG_CRIT,"Huge message discarded!\n");
- return -1;
+ return DLT_RETURN_ERROR;
}
msg.standardheader->len = DLT_HTOBE_16(len);
{
if (dlt_user_print_msg(&msg, log)==-1)
{
- return -1;
+ return DLT_RETURN_ERROR;
}
}
}
{
/* log to file */
ret=dlt_user_log_out2(dlt_user.dlt_log_handle, msg.headerbuffer, msg.headersize, log->buffer, log->size);
- return ((ret==DLT_RETURN_OK)?0:-1);
+ return ret;
}
else
{
}
/* try to resent old data first */
- ret = 0;
+ ret = DLT_RETURN_OK;
if(dlt_user.dlt_log_handle!=-1)
ret = dlt_user_log_resend_buffer();
- if(ret==0)
+ if(ret==DLT_RETURN_OK)
{
/* resend ok or nothing to resent */
#ifdef DLT_SHM_ENABLE
log->buffer, log->size)==-1)
{
dlt_log(LOG_ERR,"Storing message to history buffer failed! Message discarded.\n");
+ ret = DLT_RETURN_BUFFER_FULL;
}
DLT_SEM_FREE();
+
+ // Fail silenty if FIFO is not open
+ if(dlt_user_queue_resend() < 0 && dlt_user.dlt_log_handle >= 0)
+ {
+ dlt_log(LOG_WARNING, "dlt_user_log_send_log: Failed to queue resending.\n");
+ }
}
switch (ret)
{
+ case DLT_RETURN_BUFFER_FULL:
+ {
+ /* Buffer full */
+ return DLT_RETURN_BUFFER_FULL;
+ }
case DLT_RETURN_PIPE_FULL:
{
/* data could not be written */
dlt_user.overflow = 1;
- return -1;
+ return DLT_RETURN_PIPE_FULL;
}
case DLT_RETURN_PIPE_ERROR:
{
dlt_user_print_msg(&msg, log);
}
- return -1;
+ return DLT_RETURN_PIPE_ERROR;
}
case DLT_RETURN_ERROR:
{
/* other error condition */
- return -1;
+ return DLT_RETURN_ERROR;
}
case DLT_RETURN_OK:
{
- return 0;
+ return DLT_RETURN_OK;
}
default:
{
/* This case should never occur. */
- return -1;
+ return DLT_RETURN_ERROR;
}
}
}
- return 0;
+ return DLT_RETURN_OK;
}
int dlt_user_log_send_register_application(void)
}
DLT_SEM_FREE();
+
+ if(dlt_user_queue_resend() < 0 && dlt_user.dlt_log_handle >= 0)
+ {
+ dlt_log(LOG_WARNING, "dlt_user_log_send_register_application: Failed to queue resending.\n");
+ }
}
return 0;
}
DLT_SEM_FREE();
+
+ if(dlt_user_queue_resend() < 0 && dlt_user.dlt_log_handle >= 0)
+ {
+ dlt_log(LOG_WARNING, "dlt_user_log_send_register_context: Failed to queue resending.\n");
+ }
}
return 0;
while ((int32_t)(sizeof(DltUserHeader)+offset)<=receiver->bytesRcvd);
/* Check for user header pattern */
- if (dlt_user_check_userheader(userheader)==0)
+ if (dlt_user_check_userheader(userheader)<0 ||
+ dlt_user_check_userheader(userheader)==0)
{
break;
}
/* Delayed injection callback call */
if(delayed_inject_buffer != 0 && delayed_injection_callback.injection_callback != 0) {
delayed_injection_callback.injection_callback(delayed_injection_callback.service_id, delayed_inject_buffer, delayed_inject_data_length);
- free(delayed_inject_buffer);
+ delayed_injection_callback.injection_callback = 0;
+ free(delayed_inject_buffer);
+ delayed_inject_buffer = NULL;
+
}
/* keep not read data in buffer */
int dlt_user_log_resend_buffer(void)
{
int num,count;
- uint8_t buf[DLT_USER_RCVBUF_MAX_SIZE];
int size;
DltReturnValue ret;
{
DLT_SEM_LOCK();
- size = dlt_buffer_copy(&(dlt_user.startup_buffer),buf,sizeof(buf));
+ size = dlt_buffer_copy(&(dlt_user.startup_buffer),dlt_user.resend_buffer,sizeof(dlt_user.resend_buffer));
if (size>0)
{
#ifdef DLT_SHM_ENABLE
- dlt_shm_push(&dlt_user.dlt_shm,buf+sizeof(DltUserHeader),size-sizeof(DltUserHeader),0,0,0,0);
+ dlt_shm_push(&dlt_user.dlt_shm,dlt_user.resend_buffer+sizeof(DltUserHeader),size-sizeof(DltUserHeader),0,0,0,0);
/* log to FIFO */
- ret = dlt_user_log_out3(dlt_user.dlt_log_handle, buf,sizeof(DltUserHeader),0,0,0,0);
+ ret = dlt_user_log_out3(dlt_user.dlt_log_handle, dlt_user.resend_buffer,sizeof(DltUserHeader),0,0,0,0);
#else
/* log to FIFO */
- ret = dlt_user_log_out3(dlt_user.dlt_log_handle, buf,size,0,0,0,0);
+ ret = dlt_user_log_out3(dlt_user.dlt_log_handle, dlt_user.resend_buffer,size,0,0,0,0);
#endif
/* in case of error, keep message in ringbuffer */
if (ret==DLT_RETURN_OK)
{
dlt_buffer_remove(&(dlt_user.startup_buffer));
- /*
- DLT_SEM_LOCK();
- if (dlt_buffer_push(&(dlt_user.startup_buffer), buf, size)==-1)
- {
- dlt_log(LOG_ERR,"Error pushing back message to history buffer. Message discarded.\n");
- }
- DLT_SEM_FREE();
-
- // In case of: data could not be written, set overflow flag
- if (ret==DLT_RETURN_PIPE_FULL)
- {
- dlt_user.overflow = 1;
- }
- */
}
else
{
for (num=0; num<dlt_user.dlt_ll_ts_num_entries; num++)
{
/* Re-register stored context */
- if ((dlt_user.appID[0]!='\0') && (dlt_user.dlt_ll_ts[num].contextID[0]!='\0') && (dlt_user.dlt_ll_ts))
+ if ((dlt_user.appID[0]!='\0') && (dlt_user.dlt_ll_ts) && (dlt_user.dlt_ll_ts[num].contextID[0]!='\0'))
{
//dlt_set_id(log_new.appID, dlt_user.appID);
dlt_set_id(handle.contextID, dlt_user.dlt_ll_ts[num].contextID);
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