/**
* Write the contents of the stored trace to a stream
* @param dest string which contains a file name or the special strings stdout or stderr
*/
int Log_dumpTrace(char* dest)
{
FILE* file = NULL;
ListElement* cur_trace_entry = NULL;
const int msgstart = 7;
int rc = -1;
int trace_queue_index = 0;
if ((file = Log_destToFile(dest)) == NULL)
{
Log(LOG_ERROR, 9, NULL, "trace", dest, "trace entries");
goto exit;
}
fprintf(file, "=========== Start of trace dump ==========\n");
/* Interleave the log and trace entries together appropriately */
ListNextElement(trace_buffer, &cur_trace_entry);
trace_queue_index = start_index;
if (trace_queue_index == -1)
trace_queue_index = next_index;
else
{
Log_formatTraceEntry(&trace_queue[trace_queue_index++]);
if (trace_queue_index == trace_settings.max_trace_entries)
trace_queue_index = 0;
}
while (cur_trace_entry || trace_queue_index != next_index)
{
if (cur_trace_entry && trace_queue_index != -1)
{ /* compare these timestamps */
if (Log_compareEntries((char*)cur_trace_entry->content, msg_buf) > 0)
cur_trace_entry = NULL;
}
if (cur_trace_entry)
{
fprintf(file, "%s\n", &((char*)(cur_trace_entry->content))[msgstart]);
ListNextElement(trace_buffer, &cur_trace_entry);
}
else
{
fprintf(file, "%s\n", &msg_buf[7]);
if (trace_queue_index != next_index)
{
Log_formatTraceEntry(&trace_queue[trace_queue_index++]);
if (trace_queue_index == trace_settings.max_trace_entries)
trace_queue_index = 0;
}
}
}
fprintf(file, "========== End of trace dump ==========\n\n");
if (file != stdout && file != stderr && file != NULL)
fclose(file);
rc = 0;
exit:
return rc;
}
/**
* Dump the broker heap so it can be viewed for debugging.
* @param dest - stream destination to write the information to
* @return completion code, success == 0
*/
int Broker_dumpHeap(char* dest)
{
FILE* file = NULL;
int rc = 0;
if ((file = Log_destToFile(dest)) == NULL)
rc = -1;
else
{
Sockets* sockets = Socket_getSockets();
int ssize = sizeof(Sockets);
int bssize = sizeof(BrokerStates);
int mpsize = sizeof(MQTTProtocol);
MQTTProtocol* mp = MQTTProtocol_getState();
fprintf(file, "=========== Start of heap dump ==========\n");
if (fwrite(&bssize, sizeof(bssize), 1, file) != 1) /* write size of Broker state Structure */
rc = -1;
else if (fwrite(&BrokerState, bssize, 1, file) != 1) /* write Broker state Structure */
rc = -1;
else if (fwrite(&config, sizeof(config), 1, file) != 1)
rc = -1;
else if (fwrite(&ssize, sizeof(ssize), 1, file) != 1)
rc = -1;
else if (fwrite(sockets, ssize, 1, file) != 1)
rc = -1;
else if (fwrite(&mpsize, sizeof(mpsize), 1, file) != 1) /* write size of MQTTProtocol state structure */
rc = -1;
else if (fwrite(mp, mpsize, 1, file) != 1) /* write MQTTProtocol state structure */
rc = -1;
else if (HeapDumpString(file, config) != 0)
rc = -1;
else if (HeapDumpString(file, BrokerState.version) != 0)
rc = -1;
else if (HeapDumpString(file, BrokerState.timestamp) != 0)
rc = -1;
else if (HeapDumpString(file, BrokerState.persistence_location) != 0)
rc = -1;
else
rc = HeapDump(file);
fprintf(file, "\n=========== End of heap dump ==========\n\n");
if (file != stdout && file != stderr)
fclose(file);
}
return rc;
}
/**
* Dump the broker heap so it can be viewed for debugging.
* @param dest - stream destination to write the information to
* @return completion code, success == 0
*/
int Broker_dumpHeap(char* dest)
{
FILE* file = NULL;
int rc = 0;
if ((file = Log_destToFile(dest)) == NULL)
rc = -1;
else
{
List* log = Log_getLogBuffer();
List* trace = Log_getTraceBuffer();
Sockets* sockets = Socket_getSockets();
int ssize = sizeof(Sockets);
int bssize = sizeof(BrokerStates);
fprintf(file, "=========== Start of heap dump ==========\n");
if (fwrite(&bssize, sizeof(bssize), 1, file) != 1)
rc = -1;
else if (fwrite(&BrokerState, bssize, 1, file) != 1)
rc = -1;
else if (fwrite(&log, sizeof(log), 1, file) != 1)
rc = -1;
else if (fwrite(&trace, sizeof(trace), 1, file) != 1)
rc = -1;
else if (fwrite(&config, sizeof(config), 1, file) != 1)
rc = -1;
else if (fwrite(&ssize, sizeof(ssize), 1, file) != 1)
rc = -1;
else if (fwrite(sockets, ssize, 1, file) != 1)
rc = -1;
else if (HeapDumpString(file, config) != 0)
rc = -1;
else if (HeapDumpString(file, BrokerState.version) != 0)
rc = -1;
else if (HeapDumpString(file, BrokerState.persistence_location) != 0)
rc = -1;
else
rc = HeapDump(file);
fprintf(file, "\n=========== End of heap dump ==========\n\n");
if (file != stdout && file != stderr)
fclose(file);
}
return rc;
}