+++ /dev/null
-/*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-/*
- * Author : Boris Mikhailenko <stg34@stargazer.dp.ua>
- */
-
- /*
- $Revision: 1.124 $
- $Date: 2010/10/04 20:19:12 $
- $Author: faust $
- */
-
-#include <unistd.h>
-#include <sys/ipc.h>
-#include <sys/msg.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <sys/stat.h>
-
-#include <csignal>
-#include <cerrno>
-#include <cstdio>
-#include <fstream>
-#include <vector>
-#include <set>
-#include <list>
-
-#include "settings_impl.h"
-#include "user.h"
-#include "users_impl.h"
-#include "admins_impl.h"
-#include "tariffs_impl.h"
-#include "common.h"
-#include "traffcounter_impl.h"
-#include "plugin.h"
-#include "stg_logger.h"
-#include "stg_timer.h"
-#include "plugin_runner.h"
-#include "script_executer.h"
-#include "conffiles.h"
-#include "version.h"
-#include "store_loader.h"
-#include "pidfile.h"
-#include "eventloop.h"
-
-using namespace std;
-uint32_t eip;
-
-#ifdef DEBUG
- #define MAIN_DEBUG (1)
- #define NO_DAEMON (1)
-#endif
-
-#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;
-
-#include "pinger.h"
-
-//-----------------------------------------------------------------------------
-bool StartModCmp(const PLUGIN_RUNNER & lhs, const PLUGIN_RUNNER & rhs)
-{
-return lhs.GetStartPosition() < rhs.GetStartPosition();
-}
-//-----------------------------------------------------------------------------
-bool StopModCmp(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();
-
-if (RunStgTimer())
- {
- WriteServLog("Cannot start timer. Fatal.");
- //printfd(__FILE__, "Cannot start timer. Fatal.\n");
- exit(1);
- }
-else
- {
- WriteServLog("Timer thread started successfully.");
- //printfd(__FILE__, "Timer thread started successfully.\n");
- }
-}
-//-----------------------------------------------------------------------------
-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();
-
-if (*msgID == -11) // If msgID == -11 - first call. Create queue
- {
- for (int i = 0; i < 2; i++)
- {
- *msgID = msgget(msgKey, IPC_CREAT | IPC_EXCL | 0600);
-
- if (*msgID == -1)
- {
- *msgID = msgget(msgKey, 0);
- if (*msgID == -1)
- {
- WriteServLog("Message queue not created.");
- return -1;
- }
- else
- {
- msgctl(*msgID, IPC_RMID, NULL);
- }
- }
- else
- {
- WriteServLog("Message queue created successfully. msgKey=%d msgID=%d", msgKey, *msgID);
- break;
- }
- }
- }
-
-pid_t executerPid = fork();
-
-switch (executerPid)
- {
- case -1:
- WriteServLog("Fork error!");
- return -1;
-
- case 0:
- delete settings;
- Executer(msgKey, *msgID, executerPid, procName);
- return 1;
-
- default:
- if (executersPid.empty()) {
- Executer(msgKey, *msgID, executerPid, NULL);
- }
- executersPid.insert(executerPid);
- }
-return 0;
-}
-//-----------------------------------------------------------------------------
-#ifndef NO_DAEMON
-int ForkAndWait(const string & confDir)
-#else
-int ForkAndWait(const string &)
-#endif
-{
-#ifndef NO_DAEMON
-stgChildPid = fork();
-string startFile = confDir + START_FILE;
-unlink(startFile.c_str());
-
-switch (stgChildPid)
- {
- case -1:
- return -1;
- break;
-
- case 0:
- close(1);
- close(2);
- setsid();
- break;
-
- default:
- struct timespec ts = {0, 200000000};
- for (int i = 0; i < 120 * 5; i++)
- {
- if (access(startFile.c_str(), F_OK) == 0)
- {
- unlink(startFile.c_str());
- exit(0);
- }
-
- if (childExited)
- {
- unlink(startFile.c_str());
- exit(1);
- }
- nanosleep(&ts, NULL);
- }
- unlink(startFile.c_str());
- exit(1);
- break;
- }
-#endif
-return 0;
-}
-//-----------------------------------------------------------------------------
-void KillExecuters()
-{
-set<pid_t>::iterator pid;
-pid = executersPid.begin();
-while (pid != executersPid.end())
- {
- printfd(__FILE__, "KillExecuters pid=%d\n", *pid);
- kill(*pid, SIGUSR1);
- ++pid;
- }
-}
-//-----------------------------------------------------------------------------
-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;
-ADMINS_IMPL * admins = NULL;
-USERS_IMPL * users = NULL;
-TRAFFCOUNTER_IMPL * traffCnt = NULL;
-int msgID = -11;
-
- {
- STG_LOGGER & WriteServLog = GetStgLogger();
- WriteServLog.SetLogFileName("/var/log/stargazer.log");
- }
-
-vector<MODULE_SETTINGS> modSettings;
-list<PLUGIN_RUNNER> modules;
-
-list<PLUGIN_RUNNER>::iterator modIter;
-
-if (getuid())
- {
- printf("You must be root. Exit.\n");
- exit(1);
- }
-
-if (argc == 2)
- settings = new SETTINGS_IMPL(argv[1]);
-else
- settings = new SETTINGS_IMPL();
-
-if (settings->ReadSettings())
- {
- STG_LOGGER & WriteServLog = GetStgLogger();
-
- if (settings->GetLogFileName() != "")
- WriteServLog.SetLogFileName(settings->GetLogFileName());
-
- WriteServLog("ReadSettings error. %s", settings->GetStrError().c_str());
- exit(1);
- }
-
-#ifndef NO_DAEMON
-string startFile(settings->GetConfDir() + START_FILE);
-#endif
-
-if (ForkAndWait(settings->GetConfDir()) < 0)
- {
- STG_LOGGER & WriteServLog = GetStgLogger();
- WriteServLog("Fork error!");
- exit(1);
- }
-
-STG_LOGGER & WriteServLog = GetStgLogger();
-WriteServLog.SetLogFileName(settings->GetLogFileName());
-WriteServLog("Stg v. %s", SERVER_VERSION);
-
-for (size_t i = 0; i < settings->GetExecutersNum(); i++)
- {
- int ret = StartScriptExecuter(argv[0], settings->GetExecMsgKey(), &msgID, settings);
- if (ret < 0)
- {
- STG_LOGGER & WriteServLog = GetStgLogger();
- WriteServLog("Start Script Executer error!");
- return 1;
- }
- if (ret == 1)
- {
- // Stopping child
- return 0;
- }
- }
-
-PIDFile pidFile(settings->GetPIDFileName());
-
-StartTimer();
-WaitTimer();
-if (!IsStgTimerRunning())
- {
- printfd(__FILE__, "Timer thread not started in 1 sec!\n");
- WriteServLog("Timer thread not started in 1 sec!");
- }
-
-EVENT_LOOP & loop(EVENT_LOOP_SINGLETON::GetInstance());
-
-STORE_LOADER storeLoader(*settings);
-if (storeLoader.Load())
- {
- WriteServLog("Storage plugin: '%s'", storeLoader.GetStrError().c_str());
- goto exitLblNotStarted;
- }
-
-if (loop.Start())
- {
- WriteServLog("Event loop not started.");
- goto exitLblNotStarted;
- }
-
-dataStore = storeLoader.GetStore();
-WriteServLog("Storage plugin: %s. Loading successfull.", dataStore->GetVersion().c_str());
-
-tariffs = new TARIFFS_IMPL(dataStore);
-admins = new ADMINS_IMPL(dataStore);
-users = new USERS_IMPL(settings, dataStore, tariffs, admins->GetSysAdmin());
-traffCnt = new TRAFFCOUNTER_IMPL(users, tariffs, settings->GetRulesFileName());
-traffCnt->SetMonitorDir(settings->GetMonitorDir());
-
-modSettings = settings->GetModulesSettings();
-
-for (size_t i = 0; i < modSettings.size(); i++)
- {
- string modulePath = settings->GetModulesPath();
- modulePath += "/mod_";
- modulePath += modSettings[i].moduleName;
- modulePath += ".so";
- printfd(__FILE__, "Module: %s\n", modulePath.c_str());
- modules.push_back(
- PLUGIN_RUNNER(modulePath,
- modSettings[i],
- admins,
- tariffs,
- users,
- traffCnt,
- dataStore,
- settings)
- );
- }
-
-modIter = modules.begin();
-
-while (modIter != modules.end())
- {
- //Loading modules
- if (modIter->Load())
- {
- WriteServLog("Error: %s",
- modIter->GetStrError().c_str());
- goto exitLblNotStarted;
- }
- ++modIter;
- }
-
-//Start section
-if (users->Start())
- {
- goto exitLblNotStarted;
- }
-WriteServLog("Users started successfully.");
-
-if (traffCnt->Start())
- {
- goto exitLblNotStarted;
- }
-WriteServLog("Traffcounter started successfully.");
-
-//Sort by start order
-modules.sort(StartModCmp);
-modIter = modules.begin();
-
-while (modIter != modules.end())
- {
- if (modIter->Start())
- {
- 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("+++++++++++++++++++++++++++++++++++++++++++++");
-
-#ifndef NO_DAEMON
-creat(startFile.c_str(), S_IRUSR);
-#endif
-
-while (nonstop.GetStatus())
- {
- if (needRulesReloading)
- {
- needRulesReloading = false;
- 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());
- }
- }
- }
- stgUsleep(100000);
- }
-
-exitLbl:
-
-WriteServLog("+++++++++++++++++++++++++++++++++++++++++++++");
-
-//Sort by start order
-modules.sort(StopModCmp);
-modIter = modules.begin();
-while (modIter != modules.end())
- {
- std::string name = modIter->GetFileName();
- printfd(__FILE__, "Stopping module '%s'\n", name.c_str());
- if (modIter->Stop())
- {
- WriteServLog("Module \'%s\': Error: %s",
- 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;
- }
-
-if (loop.Stop())
- {
- WriteServLog("Event loop not stopped.");
- }
-
-exitLblNotStarted:
-
-modIter = modules.begin();
-while (modIter != modules.end())
- {
- std::string name = modIter->GetFileName();
- 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;
- }
-
-if (traffCnt)
- {
- traffCnt->Stop();
- WriteServLog("Traffcounter: Stop successfull.");
- }
-
-if (users)
- {
- users->Stop();
- WriteServLog("Users: Stop successfull.");
- }
-
-sleep(1);
-int res = msgctl(msgID, IPC_RMID, NULL);
-if (res)
- WriteServLog("Queue was not removed. id=%d", msgID);
-else
- WriteServLog("Queue removed successfully.");
-
-KillExecuters();
-
-StopStgTimer();
-WriteServLog("StgTimer: Stop successfull.");
-
-delete traffCnt;
-delete users;
-delete admins;
-delete tariffs;
-delete settings;
-
-WriteServLog("Stg stopped successfully.");
-WriteServLog("---------------------------------------------");
-
-return 0;
-}
-//-----------------------------------------------------------------------------
git.stg.codes / stg.git / blobdiff