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;
}
/*
* MAIN
*/
int main(int argc, char** argv)
{
NDB_INIT(argv[0]);
load_defaults("my",load_default_groups,&argc,&argv);
int ho_error;
#ifndef DBUG_OFF
opt_debug= "d:t:O,/tmp/ndb_mgmd.trace";
#endif
if ((ho_error=handle_options(&argc, &argv, my_long_options,
ndb_std_get_one_option)))
exit(ho_error);
start:
glob= new MgmGlobals;
/**
* OSE specific. Enable shared ownership of file system resources.
* This is needed in order to use the cluster log since the events
* from the cluster is written from the 'ndb_receive'(NDBAPI) thread/process.
*/
#if defined NDB_OSE || defined NDB_SOFTOSE
efs_segment_share();
#endif
global_mgmt_server_check = 1;
if (opt_interactive ||
opt_non_interactive ||
g_print_full_config) {
opt_daemon= 0;
}
if (opt_mycnf && opt_config_filename)
{
ndbout_c("Both --mycnf and -f is not supported");
return 0;
}
if (opt_mycnf == 0 && opt_config_filename == 0)
{
struct stat buf;
if (stat("config.ini", &buf) != -1)
opt_config_filename = "config.ini";
}
glob->socketServer = new SocketServer();
MgmApiService * mapi = new MgmApiService();
glob->mgmObject = new MgmtSrvr(glob->socketServer,
opt_config_filename,
opt_connect_str);
if (g_print_full_config)
goto the_end;
if (glob->mgmObject->init())
goto error_end;
my_setwd(NdbConfig_get_path(0), MYF(0));
glob->localNodeId= glob->mgmObject->getOwnNodeId();
if (glob->localNodeId == 0) {
goto error_end;
}
glob->port= glob->mgmObject->getPort();
if (glob->port == 0)
goto error_end;
glob->interface_name = 0;
glob->use_specific_ip = false;
if(!glob->use_specific_ip){
int count= 5; // no of retries for tryBind
while(!glob->socketServer->tryBind(glob->port, glob->interface_name)){
if (--count > 0) {
NdbSleep_MilliSleep(1000);
continue;
}
ndbout_c("Unable to setup port: %s:%d!\n"
"Please check if the port is already used,\n"
"(perhaps a ndb_mgmd is already running),\n"
"and if you are executing on the correct computer",
(glob->interface_name ? glob->interface_name : "*"), glob->port);
goto error_end;
}
free(glob->interface_name);
glob->interface_name = 0;
}
if(!glob->socketServer->setup(mapi, &glob->port, glob->interface_name))
{
ndbout_c("Unable to setup management port: %d!\n"
"Please check if the port is already used,\n"
"(perhaps a ndb_mgmd is already running),\n"
"and if you are executing on the correct computer",
glob->port);
delete mapi;
goto error_end;
}
if(!glob->mgmObject->check_start()){
ndbout_c("Unable to check start management server.");
ndbout_c("Probably caused by illegal initial configuration file.");
goto error_end;
}
if (opt_daemon) {
// Become a daemon
char *lockfile= NdbConfig_PidFileName(glob->localNodeId);
char *logfile= NdbConfig_StdoutFileName(glob->localNodeId);
NdbAutoPtr<char> tmp_aptr1(lockfile), tmp_aptr2(logfile);
if (NdbDaemon_Make(lockfile, logfile, 0) == -1) {
ndbout << "Cannot become daemon: " << NdbDaemon_ErrorText << endl;
return 1;
}
}
#ifndef NDB_WIN32
signal(SIGPIPE, SIG_IGN);
#endif
{
BaseString error_string;
if(!glob->mgmObject->start(error_string)){
ndbout_c("Unable to start management server.");
ndbout_c("Probably caused by illegal initial configuration file.");
ndbout_c(error_string.c_str());
goto error_end;
}
}
//glob->mgmObject->saveConfig();
mapi->setMgm(glob->mgmObject);
char msg[256];
BaseString::snprintf(msg, sizeof(msg),
"NDB Cluster Management Server. %s", NDB_VERSION_STRING);
ndbout_c(msg);
g_eventLogger.info(msg);
BaseString::snprintf(msg, 256, "Id: %d, Command port: %d",
glob->localNodeId, glob->port);
ndbout_c(msg);
g_eventLogger.info(msg);
g_StopServer = false;
g_RestartServer= false;
glob->socketServer->startServer();
#if ! defined NDB_OSE && ! defined NDB_SOFTOSE
if(opt_interactive) {
BaseString con_str;
if(glob->interface_name)
con_str.appfmt("host=%s:%d", glob->interface_name, glob->port);
else
con_str.appfmt("localhost:%d", glob->port);
Ndb_mgmclient com(con_str.c_str(), 1);
while(g_StopServer != true && read_and_execute(&com, "ndb_mgm> ", 1));
} else
#endif
{
while(g_StopServer != true)
NdbSleep_MilliSleep(500);
}
if(g_RestartServer)
g_eventLogger.info("Restarting server...");
else
g_eventLogger.info("Shutting down server...");
glob->socketServer->stopServer();
// We disconnect from the ConfigRetreiver mgmd when we delete glob below
glob->socketServer->stopSessions(true);
g_eventLogger.info("Shutdown complete");
the_end:
delete glob;
if(g_RestartServer)
goto start;
ndb_end(opt_endinfo ? MY_CHECK_ERROR | MY_GIVE_INFO : 0);
return 0;
error_end:
delete glob;
ndb_end(opt_endinfo ? MY_CHECK_ERROR | MY_GIVE_INFO : 0);
return 1;
}
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;
}
