#include "stg/plugin.h"
#include "stg/logger.h"
#include "stg/scriptexecuter.h"
-#include "stg/conffiles.h"
#include "stg/version.h"
-#include "stg/pinger.h"
#include "stg_timer.h"
#include "settings_impl.h"
#include "users_impl.h"
#include "eventloop.h"
using namespace std;
-uint32_t eip;
#ifdef DEBUG
#define MAIN_DEBUG (1)
#define START_FILE "/._ST_ART_ED_"
-static bool needRulesReloading = false;
-static bool childExited = false;
-//static pid_t executerPid;
set<pid_t> executersPid;
-static pid_t stgChildPid;
-
//-----------------------------------------------------------------------------
bool StartModCmp(const PLUGIN_RUNNER & lhs, const PLUGIN_RUNNER & rhs)
return lhs.GetStopPosition() > rhs.GetStopPosition();
}
//-----------------------------------------------------------------------------
-class STG_STOPPER
-{
-public:
- STG_STOPPER() { nonstop = true; }
- bool GetStatus() const { return nonstop; };
- #ifdef NO_DAEMON
- void Stop(const char * __file__, int __line__)
- #else
- void Stop(const char *, int)
- #endif
- {
- #ifdef NO_DAEMON
- printfd(__FILE__, "Stg stopped at %s:%d\n", __file__, __line__);
- #endif
- nonstop = false;
- }
-private:
- bool nonstop;
-};
-//-----------------------------------------------------------------------------
-STG_STOPPER nonstop;
-//-----------------------------------------------------------------------------
static void StartTimer()
{
STG_LOGGER & WriteServLog = GetStgLogger();
}
}
//-----------------------------------------------------------------------------
-void CatchUSR1(int)
-{
-
-}
-//-----------------------------------------------------------------------------
-void CatchTERM(int sig)
-{
-/*
- *Function Name:CatchINT
- *Parameters: sig_num - ÎÏÍÅÒ ÓÉÇÎÁÌÁ
- *Description: ïÂÒÁÂÏÔÞÉË ÓÉÇÎÁÌÁ INT
- *Returns: îÉÞÅÇÏ
- */
-STG_LOGGER & WriteServLog = GetStgLogger();
-WriteServLog("Shutting down... %d", sig);
-
-//nonstop = false;
-nonstop.Stop(__FILE__, __LINE__);
-
-struct sigaction newsa, oldsa;
-sigset_t sigmask;
-
-sigemptyset(&sigmask);
-sigaddset(&sigmask, SIGTERM);
-newsa.sa_handler = SIG_IGN;
-newsa.sa_mask = sigmask;
-newsa.sa_flags = 0;
-sigaction(SIGTERM, &newsa, &oldsa);
-
-sigemptyset(&sigmask);
-sigaddset(&sigmask, SIGINT);
-newsa.sa_handler = SIG_IGN;
-newsa.sa_mask = sigmask;
-newsa.sa_flags = 0;
-sigaction(SIGINT, &newsa, &oldsa);
-}
-//-----------------------------------------------------------------------------
-void CatchPIPE(int)
-{
-STG_LOGGER & WriteServLog = GetStgLogger();
-WriteServLog("Broken pipe!");
-}
-//-----------------------------------------------------------------------------
-void CatchHUP(int)
-{
-needRulesReloading = true;
-}
-//-----------------------------------------------------------------------------
-void CatchCHLD(int)
-{
-int status;
-pid_t childPid;
-childPid = waitpid(-1, &status, WNOHANG);
-
-set<pid_t>::iterator pid;
-pid = executersPid.find(childPid);
-if (pid != executersPid.end())
- {
- executersPid.erase(pid);
- if (executersPid.empty() && nonstop.GetStatus())
- {
- nonstop.Stop(__FILE__, __LINE__);
- }
- }
-if (childPid == stgChildPid)
- {
- childExited = true;
- }
-}
-/*//-----------------------------------------------------------------------------
-void CatchSEGV(int, siginfo_t *, void *)
-{
-char fileName[50];
-sprintf(fileName, "/tmp/stg_segv.%d", getpid());
-FILE * f = fopen(fileName, "wt");
-if (f)
- {
- fprintf(f, "\nSignal info:\n~~~~~~~~~~~~\n");
- fprintf(f, "numb:\t %d (%d)\n", sinfo->si_signo, sig);
- fprintf(f, "errn:\t %d\n", sinfo->si_errno);
- fprintf(f, "code:\t %d ", sinfo->si_code);
-
- switch (sinfo->si_code)
- {
- case SEGV_MAPERR:
- fprintf(f, "(SEGV_MAPERR - address not mapped to object)\n");
- break;
-
- case SEGV_ACCERR:
- fprintf(f, "(SEGV_ACCERR - invalid permissions for mapped object)\n");
- break;
-
- default:
- fprintf(f, "???\n");
- }
-
- fprintf(f, "addr:\t 0x%.8X\n",
- (unsigned int)sinfo->si_addr);
-
- Dl_info dlinfo;
- //asm("movl %eip, eip");
- if (dladdr((void*)CatchCHLD, &dlinfo))
- {
- fprintf(f, "SEGV point: %s %s\n", dlinfo.dli_fname, dlinfo.dli_sname);
- }
- else
- {
- fprintf(f, "Cannot find SEGV point\n");
- }
-
- fclose(f);
- }
-
-struct sigaction segv_action, segv_action_old;
-
-segv_action.sa_handler = SIG_DFL;
-segv_action.sa_sigaction = NULL;
-segv_action.sa_flags = SA_SIGINFO;
-segv_action.sa_restorer = NULL;
-
-sigaction(SIGSEGV, &segv_action, &segv_action_old);
-}*/
-//-----------------------------------------------------------------------------
-static void SetSignalHandlers()
-{
-struct sigaction newsa, oldsa;
-sigset_t sigmask;
-///////
-sigemptyset(&sigmask);
-sigaddset(&sigmask, SIGTERM);
-newsa.sa_handler = CatchTERM;
-newsa.sa_mask = sigmask;
-newsa.sa_flags = 0;
-sigaction(SIGTERM, &newsa, &oldsa);
-///////
-sigemptyset(&sigmask);
-sigaddset(&sigmask, SIGUSR1);
-newsa.sa_handler = CatchUSR1;
-newsa.sa_mask = sigmask;
-newsa.sa_flags = 0;
-sigaction(SIGUSR1, &newsa, &oldsa);
-///////
-sigemptyset(&sigmask);
-sigaddset(&sigmask, SIGINT);
-newsa.sa_handler = CatchTERM;
-newsa.sa_mask = sigmask;
-newsa.sa_flags = 0;
-sigaction(SIGINT, &newsa, &oldsa);
-//////
-sigemptyset(&sigmask);
-sigaddset(&sigmask, SIGPIPE);
-newsa.sa_handler = CatchPIPE;
-newsa.sa_mask = sigmask;
-newsa.sa_flags = 0;
-sigaction(SIGPIPE, &newsa, &oldsa);
-//////
-sigemptyset(&sigmask);
-sigaddset(&sigmask, SIGHUP);
-newsa.sa_handler = CatchHUP;
-newsa.sa_mask = sigmask;
-newsa.sa_flags = 0;
-sigaction(SIGHUP, &newsa, &oldsa);
-//////
-sigemptyset(&sigmask);
-sigaddset(&sigmask, SIGCHLD);
-newsa.sa_handler = CatchCHLD;
-newsa.sa_mask = sigmask;
-newsa.sa_flags = 0;
-sigaction(SIGCHLD, &newsa, &oldsa);
-
-/*newsa.sa_handler = NULL;
-newsa.sa_sigaction = CatchSEGV;
-newsa.sa_flags = SA_SIGINFO;
-newsa.sa_restorer = NULL;
-sigaction(SIGSEGV, &newsa, &oldsa);*/
-
-return;
-}
-//-----------------------------------------------------------------------------
int StartScriptExecuter(char * procName, int msgKey, int * msgID, SETTINGS_IMPL * settings)
{
STG_LOGGER & WriteServLog = GetStgLogger();
#endif
{
#ifndef NO_DAEMON
-stgChildPid = fork();
+pid_t childPid = fork();
string startFile = confDir + START_FILE;
unlink(startFile.c_str());
-switch (stgChildPid)
+switch (childPid)
{
case -1:
return -1;
exit(0);
}
- if (childExited)
- {
- unlink(startFile.c_str());
- exit(1);
- }
nanosleep(&ts, NULL);
}
unlink(startFile.c_str());
//-----------------------------------------------------------------------------
int main(int argc, char * argv[])
{
-
-/*
- Initialization order:
- - Logger
- - Stg timer
- - Settings
- - Plugins
- - Plugins settings
- - Read Admins
- - Read Tariffs
- - Read Users
- - Start Users
- - Start Traffcounter
- - Start Plugins
- - Start pinger
- - Set signal nandlers
- - Fork and exit
- * */
-
SETTINGS_IMPL * settings = NULL;
STORE * dataStore = NULL;
TARIFFS_IMPL * tariffs = NULL;
PIDFile pidFile(settings->GetPIDFileName());
+sigset_t signalSet;
+sigfillset(&signalSet);
+pthread_sigmask(SIG_BLOCK, &signalSet, NULL);
+
StartTimer();
WaitTimer();
if (!IsStgTimerRunning())
while (modIter != modules.end())
{
- //Loading modules
if (modIter->Load())
{
WriteServLog("Error: %s",
++modIter;
}
-//Start section
if (users->Start())
{
goto exitLblNotStarted;
{
WriteServLog("Error: %s",
modIter->GetStrError().c_str());
- //printfd(__FILE__, "Error: %s\n", capRunner.GetStrError().c_str());
goto exitLbl;
}
WriteServLog("Module: '%s'. Start successfull.", modIter->GetPlugin()->GetVersion().c_str());
++modIter;
}
-SetSignalHandlers();
srandom(stgTime);
-/*
- * Note that an implementation in which nice returns the new nice value
- * can legitimately return -1. To reliably detect an error, set
- * errno to 0 before the call, and check its value when nice returns -1.
- *
- *
- * (c) man 2 nice
- */
-/*errno = 0;
-if (nice(-19) && errno) {
- printfd(__FILE__, "nice failed: '%s'\n", strerror(errno));
- WriteServLog("nice failed: '%s'", strerror(errno));
-}*/
-
WriteServLog("Stg started successfully.");
WriteServLog("+++++++++++++++++++++++++++++++++++++++++++++");
creat(startFile.c_str(), S_IRUSR);
#endif
-while (nonstop.GetStatus())
+while (true)
{
- if (needRulesReloading)
+ sigfillset(&signalSet);
+ int sig = 0;
+ sigwait(&signalSet, &sig);
+ bool stop = false;
+ int status;
+ pid_t childPid;
+ set<pid_t>::iterator it;
+ switch (sig)
{
- needRulesReloading = false;
- traffCnt->Reload();
+ case SIGHUP:
+ traffCnt->Reload();
+ modIter = modules.begin();
+ for (; modIter != modules.end(); ++modIter)
+ {
+ if (modIter->Reload())
+ {
+ WriteServLog("Error reloading %s ('%s')", modIter->GetPlugin()->GetVersion().c_str(),
+ modIter->GetStrError().c_str());
+ printfd(__FILE__, "Error reloading %s ('%s')\n", modIter->GetPlugin()->GetVersion().c_str(),
+ modIter->GetStrError().c_str());
+ }
+ }
+ break;
+ case SIGTERM:
+ stop = true;
+ break;
+ case SIGINT:
+ stop = true;
+ break;
+ case SIGPIPE:
+ WriteServLog("Broken pipe!");
+ break;
+ case SIGCHLD:
+ childPid = waitpid(-1, &status, WNOHANG);
- modIter = modules.begin();
- for (; modIter != modules.end(); ++modIter)
- {
- if (modIter->Reload())
+ it = executersPid.find(childPid);
+ if (it != executersPid.end())
{
- WriteServLog("Error reloading %s ('%s')", modIter->GetPlugin()->GetVersion().c_str(),
- modIter->GetStrError().c_str());
- printfd(__FILE__, "Error reloading %s ('%s')\n", modIter->GetPlugin()->GetVersion().c_str(),
- modIter->GetStrError().c_str());
+ executersPid.erase(it);
+ if (executersPid.empty())
+ stop = true;
}
- }
+ break;
+ default:
+ WriteServLog("Ignore signel %d", sig);
+ break;
}
- stgUsleep(100000);
+ if (stop)
+ break;
}
exitLbl:
modIter->GetPlugin()->GetVersion().c_str(),
modIter->GetStrError().c_str());
printfd(__FILE__, "Failed to stop module '%s'\n", name.c_str());
- //printfd(__FILE__, "Error: %s\n", capRunner.GetStrError().c_str());
- //goto exitLbl;
}
WriteServLog("Module: \'%s\'. Stop successfull.", modIter->GetPlugin()->GetVersion().c_str());
++modIter;
while (modIter != modules.end())
{
std::string name = modIter->GetFileName();
- printfd(__FILE__, "Unloading module '%s'\n", name.c_str());
- if (modIter->Unload())
+ if (modIter->IsRunning())
{
- WriteServLog("Module \'%s\': Error: %s",
- name.c_str(),
- modIter->GetStrError().c_str());
- printfd(__FILE__, "Failed to unload module '%s'\n", name.c_str());
+ printfd(__FILE__, "Passing module '%s' `cause it's still running\n", name.c_str());
+ }
+ else
+ {
+ printfd(__FILE__, "Unloading module '%s'\n", name.c_str());
+ if (modIter->Unload())
+ {
+ WriteServLog("Module \'%s\': Error: %s",
+ name.c_str(),
+ modIter->GetStrError().c_str());
+ printfd(__FILE__, "Failed to unload module '%s'\n", name.c_str());
+ }
}
++modIter;
}
git.stg.codes / stg.git / blobdiff