int
WriteMessage(int thrdMessageID,
const char* thrdProblemData, const char* thrdObjRef,
Uint32 thrdTheEmulatedJamIndex,
Uint8 thrdTheEmulatedJam[]){
FILE *stream;
unsigned offset;
unsigned long maxOffset; // Maximum size of file.
char theMessage[MESSAGE_LENGTH];
/**
* Format trace file name
*/
char *theTraceFileName= 0;
if (globalData.ownId > 0)
theTraceFileName= NdbConfig_TraceFileName(globalData.ownId,
ErrorReporter::get_trace_no());
NdbAutoPtr<char> tmp_aptr1(theTraceFileName);
// The first 69 bytes is info about the current offset
Uint32 noMsg = globalEmulatorData.theConfiguration->maxNoOfErrorLogs();
maxOffset = (69 + (noMsg * MESSAGE_LENGTH));
char *theErrorFileName= (char *)NdbConfig_ErrorFileName(globalData.ownId);
NdbAutoPtr<char> tmp_aptr2(theErrorFileName);
stream = fopen(theErrorFileName, "r+");
if (stream == NULL) { /* If the file could not be opened. */
// Create a new file, and skip the first 69 bytes,
// which are info about the current offset
stream = fopen(theErrorFileName, "w");
if(stream == NULL)
{
fprintf(stderr,"Unable to open error log file: %s\n", theErrorFileName);
return -1;
}
fprintf(stream, "%s%u%s", "Current byte-offset of file-pointer is: ", 69,
" \n\n\n");
// ...and write the error-message...
ErrorReporter::formatMessage(thrdMessageID,
thrdProblemData, thrdObjRef,
theTraceFileName, theMessage);
fprintf(stream, "%s", theMessage);
fflush(stream);
/* ...and finally, at the beginning of the file,
store the position where to
start writing the next message. */
offset = ftell(stream);
// If we have not reached the maximum number of messages...
if (offset <= (maxOffset - MESSAGE_LENGTH)){
fseek(stream, 40, SEEK_SET);
// ...set the current offset...
fprintf(stream,"%d", offset);
} else {
fseek(stream, 40, SEEK_SET);
// ...otherwise, start over from the beginning.
fprintf(stream, "%u%s", 69, " ");
}
} else {
// Go to the latest position in the file...
fseek(stream, 40, SEEK_SET);
fscanf(stream, "%u", &offset);
fseek(stream, offset, SEEK_SET);
// ...and write the error-message there...
ErrorReporter::formatMessage(thrdMessageID,
thrdProblemData, thrdObjRef,
theTraceFileName, theMessage);
fprintf(stream, "%s", theMessage);
fflush(stream);
/* ...and finally, at the beginning of the file,
store the position where to
start writing the next message. */
offset = ftell(stream);
// If we have not reached the maximum number of messages...
if (offset <= (maxOffset - MESSAGE_LENGTH)){
fseek(stream, 40, SEEK_SET);
// ...set the current offset...
fprintf(stream,"%d", offset);
} else {
fseek(stream, 40, SEEK_SET);
// ...otherwise, start over from the beginning.
fprintf(stream, "%u%s", 69, " ");
}
}
fflush(stream);
fclose(stream);
if (theTraceFileName) {
// Open the tracefile...
FILE *jamStream = fopen(theTraceFileName, "w");
// ...and "dump the jam" there.
// ErrorReporter::dumpJam(jamStream);
if(thrdTheEmulatedJam != 0){
dumpJam(jamStream, thrdTheEmulatedJamIndex, thrdTheEmulatedJam);
}
/* Dont print the jobBuffers until a way to copy them,
like the other variables,
is implemented. Otherwise when NDB keeps running,
with this function running
in the background, the jobBuffers will change during runtime. And when
they're printed here, they will not be correct anymore.
*/
globalScheduler.dumpSignalMemory(jamStream);
fclose(jamStream);
}
return 0;
}
int
WriteMessage(int thrdMessageID,
const char* thrdProblemData,
const char* thrdObjRef,
NdbShutdownType & nst){
FILE *stream;
unsigned offset;
unsigned long maxOffset; // Maximum size of file.
char theMessage[MESSAGE_LENGTH];
Uint32 thrdTheEmulatedJamIndex;
const Uint32 *thrdTheEmulatedJam;
Uint32 jamBlockNumber;
Uint32 threadCount = globalScheduler.traceDumpGetNumThreads();
int thr_no = globalScheduler.traceDumpGetCurrentThread();
/**
* Format trace file name
*/
char *theTraceFileName= 0;
if (globalData.ownId > 0)
theTraceFileName= NdbConfig_TraceFileName(globalData.ownId,
ErrorReporter::get_trace_no());
NdbAutoPtr<char> tmp_aptr1(theTraceFileName);
// The first 69 bytes is info about the current offset
Uint32 noMsg = globalEmulatorData.theConfiguration->maxNoOfErrorLogs();
maxOffset = (69 + (noMsg * MESSAGE_LENGTH));
char *theErrorFileName= (char *)NdbConfig_ErrorFileName(globalData.ownId);
NdbAutoPtr<char> tmp_aptr2(theErrorFileName);
stream = fopen(theErrorFileName, "r+");
if (stream == NULL) { /* If the file could not be opened. */
// Create a new file, and skip the first 69 bytes,
// which are info about the current offset
stream = fopen(theErrorFileName, "w");
if(stream == NULL)
{
fprintf(stderr,"Unable to open error log file: %s\n", theErrorFileName);
return -1;
}
fprintf(stream, "%s%u%s", "Current byte-offset of file-pointer is: ", 69,
" \n\n\n");
// ...and write the error-message...
ErrorReporter::formatMessage(thr_no,
threadCount, thrdMessageID,
thrdProblemData, thrdObjRef,
theTraceFileName, theMessage);
fprintf(stream, "%s", theMessage);
fflush(stream);
/* ...and finally, at the beginning of the file,
store the position where to
start writing the next message. */
offset = ftell(stream);
// If we have not reached the maximum number of messages...
if (offset <= (maxOffset - MESSAGE_LENGTH)){
fseek(stream, 40, SEEK_SET);
// ...set the current offset...
fprintf(stream,"%d", offset);
} else {
fseek(stream, 40, SEEK_SET);
// ...otherwise, start over from the beginning.
fprintf(stream, "%u%s", 69, " ");
}
} else {
// Go to the latest position in the file...
fseek(stream, 40, SEEK_SET);
fscanf(stream, "%u", &offset);
fseek(stream, offset, SEEK_SET);
// ...and write the error-message there...
ErrorReporter::formatMessage(thr_no,
threadCount, thrdMessageID,
thrdProblemData, thrdObjRef,
theTraceFileName, theMessage);
fprintf(stream, "%s", theMessage);
fflush(stream);
/* ...and finally, at the beginning of the file,
store the position where to
start writing the next message. */
offset = ftell(stream);
// If we have not reached the maximum number of messages...
if (offset <= (maxOffset - MESSAGE_LENGTH)){
fseek(stream, 40, SEEK_SET);
// ...set the current offset...
fprintf(stream,"%d", offset);
} else {
fseek(stream, 40, SEEK_SET);
// ...otherwise, start over from the beginning.
fprintf(stream, "%u%s", 69, " ");
}
}
fflush(stream);
fclose(stream);
if (theTraceFileName) {
/* Attempt to stop all processing to be able to dump a consistent state. */
globalScheduler.traceDumpPrepare(nst);
char *traceFileEnd = theTraceFileName + strlen(theTraceFileName);
for (Uint32 i = 0; i < threadCount; i++)
{
// Open the tracefile...
if (i > 0)
sprintf(traceFileEnd, "_t%u", i);
FILE *jamStream = fopen(theTraceFileName, "w");
// ...and "dump the jam" there.
bool ok = globalScheduler.traceDumpGetJam(i, jamBlockNumber,
thrdTheEmulatedJam,
thrdTheEmulatedJamIndex);
if(ok && thrdTheEmulatedJam != 0)
{
dumpJam(jamStream, thrdTheEmulatedJamIndex,
thrdTheEmulatedJam, jamBlockNumber);
}
globalScheduler.dumpSignalMemory(i, jamStream);
fclose(jamStream);
}
}
return 0;
}