+/*
+ * 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>
+ */
+
+#include "store_loader.h"
+#include "plugin_mgr.h"
+#include "plugin_runner.h"
+#include "users_impl.h"
+#include "admins_impl.h"
+#include "tariffs_impl.h"
+#include "services_impl.h"
+#include "corps_impl.h"
+#include "traffcounter_impl.h"
+#include "settings_impl.h"
+#include "pidfile.h"
+#include "eventloop.h"
+#include "stg_timer.h"
+
+#include "stg/user.h"
+#include "stg/common.h"
+#include "stg/plugin.h"
+#include "stg/logger.h"
+#include "stg/scriptexecuter.h"
+#include "stg/version.h"
+
+#include <fstream>
+#include <vector>
+#include <set>
+#include <csignal>
+#include <cerrno>
+#include <cstdio>
+#include <cstdlib> // srandom, exit
+
+#include <unistd.h>
+#include <sys/ipc.h>
+#include <sys/msg.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <sys/stat.h> // S_IRUSR
+#include <fcntl.h> // create
+
+#ifdef DEBUG
+ #define NO_DAEMON (1)
+#endif
+
+#define START_FILE "/._ST_ART_ED_"
+
+using STG::SettingsImpl;
+using STG::AdminsImpl;
+using STG::TraffCounterImpl;
+using STG::UsersImpl;
+using STG::TariffsImpl;
+using STG::ServicesImpl;
+using STG::CorporationsImpl;
+using STG::StoreLoader;
+
+namespace
+{
+std::set<pid_t> executers;
+
+void StartTimer();
+int StartScriptExecuter(char* procName, int msgKey, int* msgID);
+int ForkAndWait(const std::string& confDir);
+void KillExecuters();
+
+//-----------------------------------------------------------------------------
+void StartTimer()
+{
+ auto& WriteServLog = STG::Logger::get();
+
+ if (RunStgTimer())
+ {
+ WriteServLog("Cannot start timer. Fatal.");
+ exit(1);
+ }
+ else
+ WriteServLog("Timer thread started successfully.");
+}
+//-----------------------------------------------------------------------------
+#if defined(LINUX) || defined(DARWIN)
+int StartScriptExecuter(char* procName, int msgKey, int* msgID)
+#else
+int StartScriptExecuter(char*, int msgKey, int* msgID)
+#endif
+{
+ auto& WriteServLog = STG::Logger::get();
+
+ 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;
+ }
+ }
+ }
+
+ const auto pid = fork();
+
+ switch (pid)
+ {
+ case -1:
+ WriteServLog("Fork error!");
+ return -1;
+
+ case 0:
+#if defined(LINUX) || defined(DARWIN)
+ Executer(*msgID, pid, procName);
+#else
+ Executer(*msgID, pid);
+#endif
+ return 1;
+
+ default:
+ if (executers.empty()) {
+#if defined(LINUX) || defined(DARWIN)
+ Executer(*msgID, pid, NULL);
+#else
+ Executer(*msgID, pid);
+#endif
+ }
+ executers.insert(pid);
+ }
+ return 0;
+}
+//-----------------------------------------------------------------------------
+#ifndef NO_DAEMON
+int ForkAndWait(const std::string& confDir)
+#else
+int ForkAndWait(const std::string&)
+#endif
+{
+#ifndef NO_DAEMON
+ const auto pid = fork();
+ const auto startFile = confDir + START_FILE;
+ unlink(startFile.c_str());
+
+ switch (pid)
+ {
+ 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);
+ }
+
+ nanosleep(&ts, NULL);
+ }
+ unlink(startFile.c_str());
+ exit(1);
+ break;
+ }
+#endif
+ return 0;
+}
+//-----------------------------------------------------------------------------
+void KillExecuters()
+{
+ auto pid = executers.begin();
+ while (pid != executers.end())
+ {
+ printfd(__FILE__, "KillExecuters pid=%d\n", *pid);
+ kill(*pid, SIGUSR1);
+ ++pid;
+ }
+}
+//-----------------------------------------------------------------------------
+} // namespace anonymous
+//-----------------------------------------------------------------------------
+int main(int argc, char* argv[])
+{
+ int msgID = -11;
+
+ STG::Logger::get().setFileName("/var/log/stargazer.log");
+
+ if (getuid())
+ {
+ printf("You must be root. Exit.\n");
+ return 1;
+ }
+
+ SettingsImpl settings(argc == 2 ? argv[1] : "");
+
+ if (settings.ReadSettings())
+ {
+ auto& WriteServLog = STG::Logger::get();
+
+ if (settings.GetLogFileName() != "")
+ WriteServLog.setFileName(settings.GetLogFileName());
+
+ WriteServLog("ReadSettings error. %s", settings.GetStrError().c_str());
+ return -1;
+ }
+
+#ifndef NO_DAEMON
+ const auto startFile = settings.GetConfDir() + START_FILE;
+#endif
+
+ if (ForkAndWait(settings.GetConfDir()) < 0)
+ {
+ STG::Logger::get()("Fork error!");
+ return -1;
+ }
+
+ auto& WriteServLog = STG::Logger::get();
+ WriteServLog.setFileName(settings.GetLogFileName());
+ WriteServLog("Stg v. %s", SERVER_VERSION);
+
+ for (size_t i = 0; i < settings.GetExecutersNum(); i++)
+ {
+ auto ret = StartScriptExecuter(argv[0], settings.GetExecMsgKey(), &msgID);
+ if (ret < 0)
+ {
+ STG::Logger::get()("Start Script Executer error!");
+ return -1;
+ }
+ if (ret == 1)
+ return 0;
+ }
+
+ PIDFile pidFile(settings.GetPIDFileName());
+
+ struct sigaction sa;
+ memset(&sa, 0, sizeof(sa));
+ sa.sa_handler = SIG_DFL;
+ sigaction(SIGHUP, &sa, NULL); // Apparently FreeBSD ignores SIGHUP by default when launched from rc.d at bot time.
+
+ sigset_t signalSet;
+ sigfillset(&signalSet);
+ pthread_sigmask(SIG_BLOCK, &signalSet, NULL);
+
+ StartTimer();
+ WaitTimer();
+ if (!IsStgTimerRunning())
+ {
+ printfd(__FILE__, "Timer thread not started in 1 sec!\n");
+ WriteServLog("Timer thread not started in 1 sec!");
+ return -1;
+ }
+
+ auto& loop = EVENT_LOOP_SINGLETON::GetInstance();
+
+ StoreLoader storeLoader(settings);
+ if (storeLoader.load())
+ {
+ printfd(__FILE__, "Storage plugin: '%s'\n", storeLoader.GetStrError().c_str());
+ WriteServLog("Storage plugin: '%s'", storeLoader.GetStrError().c_str());
+ return -1;
+ }
+
+ if (loop.Start())
+ {
+ printfd(__FILE__, "Event loop not started.\n");
+ WriteServLog("Event loop not started.");
+ return -1;
+ }
+
+ auto& store = storeLoader.get();
+ WriteServLog("Storage plugin: %s. Loading successfull.", store.GetVersion().c_str());
+
+ AdminsImpl admins(store);
+ TariffsImpl tariffs(&store);
+ ServicesImpl services(&store);
+ CorporationsImpl corps(&store);
+ UsersImpl users(&settings, &store, &tariffs, services, admins.sysAdmin());
+ TraffCounterImpl traffCnt(&users, settings.GetRulesFileName());
+ traffCnt.SetMonitorDir(settings.GetMonitorDir());
+
+ if (users.Start())
+ return -1;
+
+ WriteServLog("Users started successfully.");
+
+ if (traffCnt.Start())
+ return -1;
+
+ WriteServLog("Traffcounter started successfully.");
+
+ STG::PluginManager manager(settings, store, admins, tariffs, services, corps, users, traffCnt);
+
+ srandom(static_cast<unsigned int>(stgTime));
+
+ WriteServLog("Stg started successfully.");
+ WriteServLog("+++++++++++++++++++++++++++++++++++++++++++++");
+
+#ifndef NO_DAEMON
+ creat(startFile.c_str(), S_IRUSR);
+#endif
+
+ bool running = true;
+ while (running)
+ {
+ sigfillset(&signalSet);
+ int sig = 0;
+ sigwait(&signalSet, &sig);
+ int status;
+ switch (sig)
+ {
+ case SIGHUP:
+ {
+ SettingsImpl newSettings(settings);
+ if (newSettings.ReadSettings())
+ WriteServLog("ReadSettings error. %s", newSettings.GetStrError().c_str());
+ else
+ settings = newSettings;
+ WriteServLog.setFileName(settings.GetLogFileName());
+ traffCnt.Reload();
+ manager.reload(settings);
+ break;
+ }
+ case SIGTERM:
+ running = false;
+ break;
+ case SIGINT:
+ running = false;
+ break;
+ case SIGPIPE:
+ WriteServLog("Broken pipe!");
+ break;
+ case SIGCHLD:
+ executers.erase(waitpid(-1, &status, WNOHANG));
+ if (executers.empty())
+ running = false;
+ break;
+ default:
+ WriteServLog("Ignore signal %d", sig);
+ break;
+ }
+ }
+
+ WriteServLog("+++++++++++++++++++++++++++++++++++++++++++++");
+
+ manager.stop();
+
+ if (loop.Stop())
+ WriteServLog("Event loop not stopped.");
+
+ if (!traffCnt.Stop())
+ WriteServLog("Traffcounter: Stop successfull.");
+
+ if (!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.");
+
+ WriteServLog("Stg stopped successfully.");
+ WriteServLog("---------------------------------------------");
+
+ return 0;
+}
+//-----------------------------------------------------------------------------
git.stg.codes / stg.git / blobdiff