3181 lines
85 KiB
C++
3181 lines
85 KiB
C++
/**
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* Engine.cpp
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* This file is part of the YATE Project http://YATE.null.ro
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*
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* Yet Another Telephony Engine - a fully featured software PBX and IVR
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* Copyright (C) 2004-2020 Null Team
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*
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* This software is distributed under multiple licenses;
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* see the COPYING file in the main directory for licensing
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* information for this specific distribution.
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*
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* This use of this software may be subject to additional restrictions.
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* See the LEGAL file in the main directory for details.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*/
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#include "yatengine.h"
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#include "yateversn.h"
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#ifdef _WINDOWS
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#include <process.h>
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#include <shlobj.h>
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typedef void (*sig_func_t)(int);
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#define RTLD_NOW 0
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#define dlopen(name,flags) LoadLibrary(name)
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#define dlclose !FreeLibrary
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#define dlsym GetProcAddress
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#define dlerror() "LoadLibrary error"
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#define YSERV_RUN 1
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#define YSERV_INS 2
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#define YSERV_DEL 4
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#define PATH_SEP "\\"
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#ifndef CFG_DIR
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#define CFG_DIR "Yate"
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#endif
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#ifndef SHGetSpecialFolderPath
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__declspec(dllimport) BOOL WINAPI SHGetSpecialFolderPathA(HWND,LPSTR,INT,BOOL);
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#endif
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#else // _WINDOWS
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#include "yatepaths.h"
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#include <dirent.h>
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#include <dlfcn.h>
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#include <sys/wait.h>
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#include <sys/resource.h>
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typedef void* HMODULE;
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#define sig_func_t sighandler_t
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#define PATH_SEP "/"
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#ifndef CFG_DIR
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#ifdef HAVE_MACOSX_SUPPORT
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#define CFG_DIR "Yate"
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#else
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#define CFG_DIR ".yate"
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#endif
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#endif
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static int s_childsig = 0;
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#endif // _WINDOWS
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#ifdef HAVE_MACOSX_SUPPORT
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#include "MacOSXUtils.h"
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#endif
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#include <unistd.h>
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#include <stdlib.h>
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#include <signal.h>
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#include <string.h>
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#include <stdio.h>
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#include <errno.h>
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#include <time.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#ifdef HAVE_PRCTL
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#include <sys/prctl.h>
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#endif
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#include <assert.h>
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namespace TelEngine {
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class EnginePrivate : public Thread
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{
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public:
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EnginePrivate()
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: Thread("Engine Worker")
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{ count++; }
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~EnginePrivate()
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{ count--; }
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virtual void run();
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static int count;
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};
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class EngineCommand : public MessageHandler
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{
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public:
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EngineCommand()
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: MessageHandler("engine.command",100,"engine")
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{ }
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virtual bool received(Message &msg);
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static void doCompletion(Message &msg, const String& partLine, const String& partWord);
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};
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class EngineSharedPrivate
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{
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public:
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inline EngineSharedPrivate()
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: vars(new SharedVars),
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varsListMutex(false,"SharedVarsList")
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{}
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inline ~EngineSharedPrivate()
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{ TelEngine::destruct(vars); }
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SharedVars* vars;
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ObjList varsList;
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Mutex varsListMutex;
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};
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};
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using namespace TelEngine;
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#ifndef MOD_PATH
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#define MOD_PATH "." PATH_SEP "modules"
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#endif
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#ifndef SHR_PATH
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#define SHR_PATH "." PATH_SEP "share"
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#endif
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#ifndef CFG_PATH
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#define CFG_PATH "." PATH_SEP "conf.d"
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#endif
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#ifndef DLL_SUFFIX
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#define DLL_SUFFIX ".yate"
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#endif
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#ifndef CFG_SUFFIX
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#define CFG_SUFFIX ".conf"
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#endif
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// Initialization events capture by default
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#ifndef CAPTURE_EVENTS
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#define CAPTURE_EVENTS true
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#endif
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// Maximum number of engine.stop messages we allow
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#ifndef MAX_STOP
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#define MAX_STOP 5
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#endif
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// How many microseconds a worker sleeps on semaphore
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#ifndef WORKER_SLEEP
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#define WORKER_SLEEP 500000
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#endif
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// Supervisor control constants
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// Minimum configurable size of child's sanity pool
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#define MIN_SANITY 2
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// Default maximum the child's sanity pool can grow
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#define MAX_SANITY 5
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// Initial sanity buffer, allow some init time for the child
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#define INIT_SANITY 30
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// Minimum (and initial) delay until supervisor restarts child
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#define RUNDELAY_MIN 1000000
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// Maximum delay until supervisor restarts child, allow system to breathe
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#define RUNDELAY_MAX 60000000
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// Amount we decerease delay towards minimum each time child proves sanity
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#define RUNDELAY_DEC 20000
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// Maximum supervised initial delay
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#define INITDELAY_MAX 60000
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// Size of log relay buffer in bytes
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#define MAX_LOGBUFF 4096
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// Minimum and maximum settable time jump
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#ifndef MIN_TIME_JUMP
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#define MIN_TIME_JUMP (MAX_SANITY + 3)
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#endif
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#ifndef MAX_TIME_JUMP
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#define MAX_TIME_JUMP 120
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#endif
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#ifndef HOST_NAME_MAX
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#define HOST_NAME_MAX 255
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#endif
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#ifndef PATH_MAX
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#define PATH_MAX 270
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#endif
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static u_int64_t s_nextinit = 0;
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static u_int64_t s_restarts = 0;
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static bool s_makeworker = true;
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static bool s_keepclosing = false;
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static bool s_nounload = false;
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static long s_timejump = 0;
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static int s_super_handle = -1;
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static int s_run_attempt = 0;
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static int s_max_sanity = MAX_SANITY;
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static bool s_interactive = true;
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static bool s_localsymbol = false;
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static bool s_logtruncate = false;
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static const char* s_logfile = 0;
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static sig_func_t s_abrt_handler = SIG_DFL;
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static void sighandler(int signal)
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{
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switch (signal) {
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#ifndef _WINDOWS
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case SIGCHLD:
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::waitpid(-1,0,WNOHANG);
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break;
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case SIGUSR1:
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Engine::restart(0,true);
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break;
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case SIGUSR2:
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Engine::restart(0,false);
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break;
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case SIGHUP:
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if (s_interactive) {
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// console got closed so shutdown without writing to console
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if (!s_logfile)
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Debugger::enableOutput(false);
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Engine::halt(0);
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break;
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}
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// intentionally fall through
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case SIGQUIT:
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if (s_nextinit <= Time::now())
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Engine::init();
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s_nextinit = Time::now() + 2000000;
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break;
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#endif
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case SIGINT:
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case SIGTERM:
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Engine::halt(0);
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break;
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}
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}
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static void abrthandler(int sig)
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{
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::signal(SIGABRT,s_abrt_handler);
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Engine* eng = Engine::self();
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if (eng) {
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// TODO: retrieve all the information without getting any mutex locks
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uint64_t enq,deq,disp,qmax;
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eng->getStats(enq,deq,disp,qmax);
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::fprintf(stderr,
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"*** ABORT INFO BEGIN ***\n"
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" Messages: " FMT64U "\n"
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" MaxQueue: " FMT64U "\n"
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" Msg Age: %u\n"
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" Msg Rate: %u\n"
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" Max Rate: %u\n"
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" Threads: %d\n"
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" Workers: %d\n"
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" Mutexes: %d\n"
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" Locks: %d\n"
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" Congestion: %u\n"
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" Call Accept: %s\n"
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"*** ABORT INFO END ***\n",
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(enq - deq),qmax,eng->messageAge(),eng->messageRate(),eng->messageMaxRate(),
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Thread::count(),EnginePrivate::count,Mutex::count(),Mutex::locks(),
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Engine::getCongestion(),lookup(Engine::accept(),Engine::getCallAcceptStates())
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);
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}
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::raise(SIGABRT);
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}
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String Engine::s_node;
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String Engine::s_shrpath(SHR_PATH);
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String Engine::s_cfgsuffix(CFG_SUFFIX);
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String Engine::s_modpath(MOD_PATH);
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String Engine::s_modsuffix(DLL_SUFFIX);
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ObjList Engine::s_extramod;
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NamedList Engine::s_params("");
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Engine::RunMode Engine::s_mode = Engine::Stopped;
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Engine::CallAccept Engine::s_accept = Engine::Accept;
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Engine* Engine::s_self = 0;
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bool Engine::s_started = false;
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int Engine::s_haltcode = -1;
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int EnginePrivate::count = 0;
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static String s_cfgpath(CFG_PATH);
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static String s_usrpath;
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static String s_affinity;
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static bool s_createusr = true;
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static bool s_init = false;
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static bool s_dynplugin = false;
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static Engine::PluginMode s_loadMode = Engine::LoadFail;
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static int s_minworkers = 1;
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static int s_maxworkers = 10;
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static int s_addworkers = 1;
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static int s_maxmsgrate = 0;
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static int s_maxmsgage = 0;
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static int s_maxqueued = 0;
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static int s_exit = -1;
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unsigned int Engine::s_congestion = 0;
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static Mutex s_congMutex(false,"Congestion");
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static bool s_debug = true;
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static bool s_capture = CAPTURE_EVENTS;
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static int s_maxevents = 25;
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static Mutex s_eventsMutex(false,"EventsList");
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static ObjList s_events;
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static String s_startMsg;
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static EngineSharedPrivate s_vars;
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static Mutex s_hooksMutex(true,"HooksList");
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static ObjList s_hooks;
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static Semaphore* s_semWorkers = 0;
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static NamedCounter* s_counter = 0;
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static NamedCounter* s_workCnt = 0;
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const TokenDict Engine::s_callAccept[] = {
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{"accept", Engine::Accept},
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{"partial", Engine::Partial},
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{"congestion", Engine::Congestion},
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{"reject", Engine::Reject},
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{0,0}
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};
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#ifdef RLIMIT_CORE
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static bool s_coredump = false;
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#endif
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#ifdef RLIMIT_NOFILE
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#ifdef FDSIZE_HACK
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static bool s_numfiles = false;
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#else
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#undef RLIMIT_NOFILE
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#endif
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#endif
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static bool s_sigabrt = false;
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static bool s_lateabrt = false;
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static String s_cfgfile;
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static String s_userdir(CFG_DIR);
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static Configuration s_cfg;
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static ObjList plugins;
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static ObjList* s_cmds = 0;
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static unsigned int s_runid = 0;
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static EngineCheck* s_engineCheck = 0;
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void EngineCheck::setChecker(EngineCheck* ptr)
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{
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s_engineCheck = ptr;
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}
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namespace { // anonymous
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class SLib : public String
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{
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public:
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virtual ~SLib();
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static SLib* load(const char* file, bool local, bool nounload);
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bool unload(bool doNow);
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private:
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SLib(HMODULE handle, const char* file, bool nounload, unsigned int count);
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HMODULE m_handle;
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bool m_nounload;
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unsigned int m_count;
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};
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class EngineSuperHandler : public MessageHandler
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{
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public:
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EngineSuperHandler()
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: MessageHandler("engine.timer",1,"engine"),
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m_seq(0)
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{ }
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virtual bool received(Message &msg)
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{ YIGNORE(::write(s_super_handle,&m_seq,1)); m_seq++; return false; }
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char m_seq;
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};
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class EngineStatusHandler : public MessageHandler
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{
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public:
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EngineStatusHandler()
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: MessageHandler("engine.status",90,"engine")
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{ }
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virtual bool received(Message &msg);
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static void objects(String& retVal, bool details);
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static int objects(String& str);
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};
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class EngineHelp : public MessageHandler
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{
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public:
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EngineHelp()
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: MessageHandler("engine.help",100,"engine")
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{ }
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virtual bool received(Message &msg);
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};
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class EngineEventList : public ObjList
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{
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public:
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inline EngineEventList(const char* name)
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: m_name(name)
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{ }
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virtual const String& toString() const
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{ return m_name; }
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private:
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String m_name;
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};
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class EngineEventHandler : public MessageHandler
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{
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public:
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EngineEventHandler()
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: MessageHandler("module.update",1,"engine")
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{ }
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virtual bool received(Message &msg);
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};
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class RefList : public RefObject
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{
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public:
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inline RefList()
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{ }
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virtual void* getObject(const String& name) const
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{ return (name == YATOM("ObjList")) ? (void*)&m_list : RefObject::getObject(name); }
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inline ObjList& list()
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{ return m_list; }
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private:
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ObjList m_list;
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};
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}; // anonymous namespace
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// helper function to initialize user application data dir
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static void initUsrPath(String& path, const char* newPath = 0)
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{
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if (path)
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return;
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if (TelEngine::null(newPath)) {
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#ifdef _WINDOWS
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// we force using the ANSI version
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char szPath[MAX_PATH];
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if (SHGetSpecialFolderPathA(NULL,szPath,CSIDL_APPDATA,TRUE))
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path = szPath;
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#elif defined(HAVE_MACOSX_SUPPORT)
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MacOSXUtils::applicationSupportPath(path);
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if (path.null()) {
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Debug(DebugMild,"Could not get system user path on MacOS X, setting it to $(HOME)");
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path = ::getenv("HOME");
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}
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#else
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path = ::getenv("HOME");
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#endif
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if (path.null()) {
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if (Engine::mode() == Engine::Client)
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Debug(DebugWarn,"Could not get per-user application data path!");
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path = s_cfgpath;
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}
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if (!path.endsWith(PATH_SEP))
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path += PATH_SEP;
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path += s_userdir;
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}
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else
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path = newPath;
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if (path.endsWith(PATH_SEP))
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path = path.substr(0,path.length()-1);
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}
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// Utility: init or decrease Lockable wait value by half
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static inline void setLockableWait()
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{
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unsigned long lockWait = Lockable::wait();
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if (lockWait) {
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lockWait /= 2;
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if (lockWait < Thread::idleUsec())
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lockWait = Thread::idleUsec();
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}
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else
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lockWait = 10000000;
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Lockable::wait(lockWait);
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}
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// helper function to set up the config file name
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static void initCfgFile(const char* name)
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{
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s_cfgfile = name;
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if (s_cfgfile.endsWith(".exe") || s_cfgfile.endsWith(".EXE"))
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s_cfgfile = s_cfgfile.substr(0,s_cfgfile.length()-4);
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}
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int EngineStatusHandler::objects(String& str)
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{
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int cnt = 0;
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for (const ObjList* l = GenObject::getObjCounters().skipNull(); l; l = l->skipNext()) {
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const NamedCounter* c = static_cast<const NamedCounter*>(l->get());
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if (!c->count())
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continue;
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str.append(*c,",") << "=" << c->count();
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cnt += c->count();
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}
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return cnt;
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}
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void EngineStatusHandler::objects(String& retVal, bool details)
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{
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retVal << "name=objects,type=system";
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retVal << ";enabled=" << getObjCounting();
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retVal << ",counters=" << getObjCounters().count();
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if (details) {
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String str;
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retVal << ",objects=" << objects(str);
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retVal.append(str,";");
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}
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retVal << "\r\n";
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}
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bool EngineStatusHandler::received(Message &msg)
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{
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bool details = msg.getBoolValue("details",true);
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String sel = msg.getValue("module");
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if (sel && (sel != YSTRING("engine"))) {
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if (sel.startSkip("objects")) {
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if (sel) {
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msg.retValue() << "name=objects,type=system";
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msg.retValue() << ";enabled=" << getObjCounting();
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const NamedCounter* c = getObjCounter(sel,false);
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msg.retValue() << ";" << sel << "=";
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if (c)
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msg.retValue() << c->count();
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else
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msg.retValue() << "(not counted)";
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msg.retValue() << "\r\n";
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}
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else
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objects(msg.retValue(),details);
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return true;
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}
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return false;
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}
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msg.retValue() << "name=engine,type=system";
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msg.retValue() << ",version=" << YATE_VERSION;
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msg.retValue() << ",revision=" << YATE_REVISION;
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msg.retValue() << ",nodename=" << Engine::nodeName();
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msg.retValue() << ";plugins=" << plugins.count();
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msg.retValue() << ",inuse=" << Engine::self()->usedPlugins();
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msg.retValue() << ",handlers=" << Engine::self()->handlerCount();
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|
msg.retValue() << ",hooks=" << Engine::self()->postHookCount();
|
|
uint64_t enq,deq,disp,qmax;
|
|
Engine::self()->getStats(enq,deq,disp,qmax);
|
|
msg.retValue() << ",messages=" << (enq - deq) << ",maxqueue=" << qmax;
|
|
msg.retValue() << ",messageage=" << Engine::self()->messageAge();
|
|
msg.retValue() << ",messagerate=" << Engine::self()->messageRate();
|
|
msg.retValue() << ",maxmsgrate=" << Engine::self()->messageMaxRate();
|
|
msg.retValue() << ",enqueued=" << enq << ",dequeued=" << deq << ",dispatched=" << disp ;
|
|
msg.retValue() << ",supervised=" << (s_super_handle >= 0);
|
|
msg.retValue() << ",runattempt=" << s_run_attempt;
|
|
#ifndef _WINDOWS
|
|
msg.retValue() << ",lastsignal=" << s_childsig;
|
|
#endif
|
|
msg.retValue() << ",threads=" << Thread::count();
|
|
msg.retValue() << ",workers=" << EnginePrivate::count;
|
|
msg.retValue() << ",mutexes=" << Mutex::count();
|
|
int locks = Mutex::locks();
|
|
if (locks >= 0)
|
|
msg.retValue() << ",locks=" << locks;
|
|
msg.retValue() << ",semaphores=" << Semaphore::count();
|
|
locks = Semaphore::locks();
|
|
if (locks >= 0)
|
|
msg.retValue() << ",waiting=" << locks;
|
|
msg.retValue() << ",acceptcalls=" << lookup(Engine::accept(),Engine::getCallAcceptStates());
|
|
msg.retValue() << ",congestion=" << Engine::getCongestion();
|
|
if (msg.getBoolValue("reset",false))
|
|
Engine::self()->resetMax();
|
|
if (details) {
|
|
NamedIterator iter(Engine::runParams());
|
|
char sep = ';';
|
|
while (const NamedString* p = iter.get()) {
|
|
if (p->name().find("path") < 0)
|
|
continue;
|
|
msg.retValue() << sep << p->name() << "=" << *p;
|
|
sep = ',';
|
|
}
|
|
}
|
|
msg.retValue() << "\r\n";
|
|
if (getObjCounting() && sel.null())
|
|
objects(msg.retValue(),details);
|
|
return !sel.null();
|
|
}
|
|
|
|
bool EngineEventHandler::received(Message &msg)
|
|
{
|
|
if (Engine::nodeName() && !msg.getParam(YSTRING("nodename")))
|
|
msg.addParam("nodename",Engine::nodeName());
|
|
const String* type = msg.getParam(YSTRING("from"));
|
|
if (TelEngine::null(type))
|
|
return false;
|
|
bool full = true;
|
|
const String* text = msg.getParam(YSTRING("fulltext"));
|
|
if (TelEngine::null(text)) {
|
|
text = msg.getParam(YSTRING("text"));
|
|
if (TelEngine::null(text))
|
|
return false;
|
|
full = false;
|
|
}
|
|
String* ev = 0;
|
|
int level = msg.getBoolValue(YSTRING("operational"),true) ? DebugNote : DebugWarn;
|
|
level = msg.getIntValue(YSTRING("level"),level);
|
|
if (full)
|
|
ev = new CapturedEvent(level,*text);
|
|
else {
|
|
// build a full text with timestamp and sender
|
|
char tstamp[32];
|
|
Debugger::Formatting fmt = Debugger::getFormatting();
|
|
if (Debugger::None == fmt)
|
|
fmt = Debugger::Relative;
|
|
Debugger::formatTime(tstamp,fmt);
|
|
ev = new CapturedEvent(level,tstamp);
|
|
*ev << "<" << *type << "> " << *text;
|
|
msg.setParam("fulltext",*ev);
|
|
}
|
|
Lock mylock(s_eventsMutex);
|
|
ObjList* list = static_cast<EngineEventList*>(s_events[*type]);
|
|
if (!list) {
|
|
list = new EngineEventList(*type);
|
|
s_events.append(list);
|
|
}
|
|
while ((s_maxevents > 0) && (int)list->count() >= s_maxevents)
|
|
list->remove();
|
|
list->append(ev);
|
|
return false;
|
|
}
|
|
|
|
static const char s_cmdsOptNoUnload[] = " module {load modulefile|list}\r\n";
|
|
static const char s_cmdsOpt[] = " module {{load|reload} modulefile|unload modulename|list}\r\n";
|
|
static const char s_cmdsMsg[] = "Controls the modules loaded in the Telephony Engine\r\n";
|
|
static const char s_evtsOpt[] = " events [clear] [type]\r\n";
|
|
static const char s_evtsMsg[] = "Show or clear events or alarms collected since the engine startup\r\n";
|
|
static const char s_logvOpt[] = " logview\r\n";
|
|
static const char s_logvMsg[] = "Show log of engine startup and initialization process\r\n";
|
|
static const char s_runpOpt[] = " runparam name=value\r\n";
|
|
static const char s_runpMsg[] = "Add a new parameter to the Engine's runtime list\r\n";
|
|
static const char s_dispatcherOpt[] = " dispatcher {trace_msg_time|trace_msg_handler_time} <on|off>\r\n";
|
|
static const char s_dispatcherMsg[] = "Enable or disable dispatcher debugging options\r\n";
|
|
|
|
// get the base name of a module file
|
|
static String moduleBase(const String& fname)
|
|
{
|
|
int sep = fname.rfind(PATH_SEP[0]);
|
|
if (sep >= 0)
|
|
sep++;
|
|
else
|
|
sep = 0;
|
|
int len = fname.length() - sep;
|
|
if (fname.endsWith(Engine::moduleSuffix()))
|
|
len -= Engine::moduleSuffix().length();
|
|
return fname.substr(sep,len);
|
|
}
|
|
|
|
// perform one completion only if match still possible
|
|
static void completeOne(String& ret, const String& str, const char* part)
|
|
{
|
|
if (part && !str.startsWith(part))
|
|
return;
|
|
ret.append(str,"\t");
|
|
}
|
|
|
|
static void completeOneModule(String& ret, const String& str, const char* part, ObjList& mods, bool reload)
|
|
{
|
|
SLib* s = static_cast<SLib*>(mods[moduleBase(str)]);
|
|
if (s) {
|
|
if (!(reload && s->unload(false)))
|
|
return;
|
|
}
|
|
else if (reload)
|
|
return;
|
|
completeOne(ret,str,part);
|
|
}
|
|
|
|
// complete a module filename from filesystem
|
|
void completeModule(String& ret, const String& part, ObjList& mods, bool reload, const String& rpath = String::empty())
|
|
{
|
|
if (part[0] == '.')
|
|
return;
|
|
String path = Engine::modulePath();
|
|
String rdir = rpath;
|
|
int sep = part.rfind(PATH_SEP[0]);
|
|
if (sep >= 0)
|
|
rdir += part.substr(0,sep+1);
|
|
if (rdir) {
|
|
if (!path.endsWith(PATH_SEP))
|
|
path += PATH_SEP;
|
|
path += rdir;
|
|
}
|
|
if (path.endsWith(PATH_SEP))
|
|
path = path.substr(0,path.length()-1);
|
|
|
|
DDebug(DebugInfo,"completeModule path='%s' rdir='%s'",path.c_str(),rdir.c_str());
|
|
#ifdef _WINDOWS
|
|
WIN32_FIND_DATA entry;
|
|
HANDLE hf = ::FindFirstFile(path + PATH_SEP "*",&entry);
|
|
if (hf == INVALID_HANDLE_VALUE)
|
|
return;
|
|
do {
|
|
XDebug(DebugInfo,"Found dir entry %s",entry.cFileName);
|
|
if (entry.cFileName[0] == '.')
|
|
continue;
|
|
if ((entry.dwFileAttributes & FILE_ATTRIBUTE_HIDDEN) != 0)
|
|
continue;
|
|
if ((entry.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0) {
|
|
completeModule(ret,part,mods,reload,rdir + entry.cFileName + PATH_SEP);
|
|
continue;
|
|
}
|
|
int n = ::strlen(entry.cFileName) - Engine::moduleSuffix().length();
|
|
if ((n > 0) && !::strcmp(entry.cFileName+n,Engine::moduleSuffix()))
|
|
completeOneModule(ret,rdir + entry.cFileName,part,mods,reload);
|
|
} while (::FindNextFile(hf,&entry));
|
|
::FindClose(hf);
|
|
#else
|
|
DIR *dir = ::opendir(path);
|
|
if (!dir)
|
|
return;
|
|
struct dirent* entry;
|
|
while ((entry = ::readdir(dir)) != 0) {
|
|
XDebug(DebugInfo,"Found dir entry %s",entry->d_name);
|
|
if (entry->d_name[0] == '.')
|
|
continue;
|
|
struct stat stat_buf;
|
|
if (::stat(path + PATH_SEP + entry->d_name,&stat_buf))
|
|
continue;
|
|
if (S_ISDIR(stat_buf.st_mode)) {
|
|
completeModule(ret,part,mods,reload,rdir + entry->d_name + PATH_SEP);
|
|
continue;
|
|
}
|
|
int n = ::strlen(entry->d_name) - Engine::moduleSuffix().length();
|
|
if ((n > 0) && !::strcmp(entry->d_name+n,Engine::moduleSuffix()))
|
|
completeOneModule(ret,rdir + entry->d_name,part,mods,reload);
|
|
}
|
|
::closedir(dir);
|
|
#endif
|
|
}
|
|
|
|
// perform command line completion
|
|
void EngineCommand::doCompletion(Message &msg, const String& partLine, const String& partWord)
|
|
{
|
|
if (partLine.null() || (partLine == YSTRING("help"))) {
|
|
completeOne(msg.retValue(),"module",partWord);
|
|
completeOne(msg.retValue(),"events",partWord);
|
|
completeOne(msg.retValue(),"logview",partWord);
|
|
completeOne(msg.retValue(),"runparam",partWord);
|
|
completeOne(msg.retValue(),"dispatcher",partWord);
|
|
}
|
|
else if (partLine == YSTRING("status")) {
|
|
completeOne(msg.retValue(),"engine",partWord);
|
|
completeOne(msg.retValue(),"objects",partWord);
|
|
}
|
|
else if (partLine == YSTRING("status objects")) {
|
|
for (ObjList* l = getObjCounters().skipNull();l;l = l->skipNext())
|
|
completeOne(msg.retValue(),l->get()->toString(),partWord);
|
|
}
|
|
else if (partLine == YSTRING("module")) {
|
|
completeOne(msg.retValue(),"load",partWord);
|
|
if (!s_nounload) {
|
|
completeOne(msg.retValue(),"unload",partWord);
|
|
completeOne(msg.retValue(),"reload",partWord);
|
|
}
|
|
completeOne(msg.retValue(),"list",partWord);
|
|
}
|
|
else if (partLine == YSTRING("module load"))
|
|
completeModule(msg.retValue(),partWord,Engine::self()->m_libs,false);
|
|
else if (partLine == YSTRING("module reload"))
|
|
completeModule(msg.retValue(),partWord,Engine::self()->m_libs,true);
|
|
else if (partLine == YSTRING("module unload")) {
|
|
for (ObjList* l = Engine::self()->m_libs.skipNull();l;l = l->skipNext()) {
|
|
SLib* s = static_cast<SLib*>(l->get());
|
|
if (s->unload(false))
|
|
completeOne(msg.retValue(),*s,partWord);
|
|
}
|
|
}
|
|
else if (partLine == YSTRING("reload")) {
|
|
for (ObjList* l = plugins.skipNull(); l; l = l->skipNext()) {
|
|
const Plugin* p = static_cast<const Plugin*>(l->get());
|
|
completeOne(msg.retValue(),p->name(),partWord);
|
|
}
|
|
}
|
|
else if (partLine == YSTRING("events") || partLine == YSTRING("events clear")) {
|
|
Lock mylock(s_eventsMutex);
|
|
for (ObjList* l = s_events.skipNull(); l; l = l->skipNext()) {
|
|
const EngineEventList* e = static_cast<const EngineEventList*>(l->get());
|
|
completeOne(msg.retValue(),e->toString(),partWord);
|
|
}
|
|
completeOne(msg.retValue(),"log",partWord);
|
|
if (partLine == YSTRING("events"))
|
|
completeOne(msg.retValue(),"clear",partWord);
|
|
}
|
|
else if (partLine == YSTRING("dispatcher")) {
|
|
completeOne(msg.retValue(),"trace_msg_time",partWord);
|
|
completeOne(msg.retValue(),"trace_msg_handler_time",partWord);
|
|
}
|
|
else if ((partLine == YSTRING("dispatcher trace_msg_time"))
|
|
|| (partLine == YSTRING("dispatcher trace_msg_handler_time"))) {
|
|
completeOne(msg.retValue(),"on",partWord);
|
|
completeOne(msg.retValue(),"off",partWord);
|
|
}
|
|
}
|
|
|
|
bool EngineCommand::received(Message &msg)
|
|
{
|
|
String line = msg.getValue("line");
|
|
if (line.null()) {
|
|
doCompletion(msg,msg.getValue("partline"),msg.getValue("partword"));
|
|
return false;
|
|
}
|
|
if (line.startSkip("control")) {
|
|
int pos = line.find(' ');
|
|
String id = line.substr(0,pos).trimBlanks();
|
|
String ctrl = line.substr(pos+1).trimBlanks();
|
|
if ((pos <= 0) || id.null() || ctrl.null())
|
|
return false;
|
|
Message m("chan.control");
|
|
m.addParam("targetid",id);
|
|
m.addParam("component",id);
|
|
m.copyParam(msg,"module");
|
|
m.copyParam(msg,"cmd",'_');
|
|
static const Regexp r("^\\(.* \\)\\?\\([^= ]\\+\\)=\\([^=]*\\)$");
|
|
while (ctrl) {
|
|
if (!ctrl.matches(r)) {
|
|
m.setParam("operation",ctrl);
|
|
break;
|
|
}
|
|
m.setParam(ctrl.matchString(2),ctrl.matchString(3).trimBlanks());
|
|
ctrl = ctrl.matchString(1).trimBlanks();
|
|
}
|
|
if (!Engine::dispatch(m))
|
|
return false;
|
|
msg.retValue() = m.retValue();
|
|
NamedString* opStatus = m.getParam(YSTRING("operation-status"));
|
|
return !opStatus || opStatus->toBoolean();
|
|
}
|
|
if (!line.startSkip("module")) {
|
|
if (line.startSkip("events") || (line == "logview" && (line.clear(),true))) {
|
|
bool clear = line.startSkip("clear");
|
|
line.startSkip("log");
|
|
if (clear) {
|
|
Engine::clearEvents(line);
|
|
return true;
|
|
}
|
|
RefList* list = 0;
|
|
int cnt = 0;
|
|
for (const ObjList* l = Engine::events(line); l; l = l->skipNext()) {
|
|
const CapturedEvent* ev = static_cast<const CapturedEvent*>(l->get());
|
|
if (!list)
|
|
list = new RefList();
|
|
list->list().append(new CapturedEvent(*ev));
|
|
cnt++;
|
|
}
|
|
msg.userData(list);
|
|
TelEngine::destruct(list);
|
|
(msg.retValue() = "Events: ") << cnt << "\r\n";
|
|
return true;
|
|
}
|
|
if (line.startSkip("runparam")) {
|
|
int sep = line.find('=');
|
|
if (sep > 0) {
|
|
String par = line.substr(0,sep).trimBlanks();
|
|
if (Engine::runParams().getParam(par))
|
|
msg.retValue() = "Not overwriting runtime parameter '" + par + "'\r\n";
|
|
else {
|
|
String val = line.substr(sep+1);
|
|
Engine::runParams().replaceParams(val);
|
|
Engine::s_params.addParam(par,val.trimBlanks());
|
|
}
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
if (line.startSkip("dispatcher trace_msg_time")) {
|
|
MessageDispatcher* d = Engine::dispatcher();
|
|
if (d)
|
|
d->traceTime(line.toBoolean());
|
|
return 0 != d;
|
|
}
|
|
if (line.startSkip("dispatcher trace_msg_handler_time")) {
|
|
MessageDispatcher* d = Engine::dispatcher();
|
|
if (d)
|
|
d->traceHandlerTime(line.toBoolean());
|
|
return 0 != d;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool ok = false;
|
|
int sep = line.find(' ');
|
|
if (sep > 0) {
|
|
String cmd = line.substr(0,sep).trimBlanks();
|
|
String arg = line.substr(sep+1).trimBlanks();
|
|
if ((cmd == "load") || (cmd == "reload")) {
|
|
bool reload = (cmd == "reload");
|
|
cmd = moduleBase(arg);
|
|
SLib* s = static_cast<SLib*>(Engine::self()->m_libs[cmd]);
|
|
if (s) {
|
|
ok = true;
|
|
if (reload) {
|
|
if (s->unload(true)) {
|
|
Engine::self()->m_libs.remove(s);
|
|
ok = false;
|
|
}
|
|
else
|
|
msg.retValue() = "Module not unloaded: " + arg + "\r\n";
|
|
}
|
|
else
|
|
msg.retValue() = "Module is already loaded: " + cmd + "\r\n";
|
|
}
|
|
if (!ok) {
|
|
ok = Engine::self()->loadPlugin(Engine::modulePath() + PATH_SEP + arg);
|
|
// if we loaded it successfully we must initialize
|
|
if (ok)
|
|
Engine::self()->initPlugins();
|
|
}
|
|
}
|
|
else if (cmd == "unload") {
|
|
SLib* s = static_cast<SLib*>(Engine::self()->m_libs[arg]);
|
|
if (!s)
|
|
msg.retValue() = "Module not loaded: " + arg + "\r\n";
|
|
else if (s->unload(true)) {
|
|
Engine::self()->m_libs.remove(s);
|
|
msg.retValue() = "Unloaded module: " + arg + "\r\n";
|
|
}
|
|
else
|
|
msg.retValue() = "Could not unload module: " + arg + "\r\n";
|
|
ok = true;
|
|
}
|
|
}
|
|
else if (line == "list") {
|
|
msg.retValue().clear();
|
|
for (ObjList* l = Engine::self()->m_libs.skipNull();l;l = l->skipNext()) {
|
|
SLib* s = static_cast<SLib*>(l->get());
|
|
msg.retValue().append(*s,"\t");
|
|
if (s->unload(false))
|
|
msg.retValue() += "*";
|
|
}
|
|
msg.retValue() << "\r\n";
|
|
ok = true;
|
|
}
|
|
if (!ok)
|
|
msg.retValue() = "Module operation failed: " + line + "\r\n";
|
|
return true;
|
|
}
|
|
|
|
|
|
bool EngineHelp::received(Message &msg)
|
|
{
|
|
const char* opts = (s_nounload ? s_cmdsOptNoUnload : s_cmdsOpt);
|
|
String line = msg.getValue("line");
|
|
if (line.null()) {
|
|
msg.retValue() << opts << s_evtsOpt << s_logvOpt << s_runpOpt << s_dispatcherOpt;
|
|
return false;
|
|
}
|
|
if (line == YSTRING("module"))
|
|
msg.retValue() << opts << s_cmdsMsg;
|
|
else if (line == YSTRING("events"))
|
|
msg.retValue() << s_evtsOpt << s_evtsMsg;
|
|
else if (line == YSTRING("logview"))
|
|
msg.retValue() << s_logvOpt << s_logvMsg;
|
|
else if (line == YSTRING("runparam"))
|
|
msg.retValue() << s_runpOpt << s_runpMsg;
|
|
else if (line == YSTRING("dispatcher"))
|
|
msg.retValue() << s_dispatcherOpt << s_dispatcherMsg;
|
|
else
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
|
|
void EnginePrivate::run()
|
|
{
|
|
setCurrentObjCounter(s_workCnt);
|
|
for (;;) {
|
|
s_makeworker = false;
|
|
Semaphore* s = s_semWorkers;
|
|
if (s && Engine::self()->m_dispatcher.hasMessages())
|
|
s->unlock();
|
|
Engine::self()->m_dispatcher.dequeue();
|
|
s = s_semWorkers;
|
|
if (s) {
|
|
s->lock(WORKER_SLEEP);
|
|
Thread::yield(true);
|
|
}
|
|
else
|
|
Thread::idle(true);
|
|
}
|
|
}
|
|
|
|
|
|
static bool logFileOpen()
|
|
{
|
|
if (s_logfile) {
|
|
int flags = O_WRONLY|O_CREAT|O_LARGEFILE;
|
|
if (s_logtruncate) {
|
|
s_logtruncate = false;
|
|
flags |= O_TRUNC;
|
|
}
|
|
else
|
|
flags |= O_APPEND;
|
|
int fd = ::open(s_logfile,flags,0640);
|
|
if (fd >= 0) {
|
|
// Redirect stdout and stderr to the new file
|
|
::fflush(stdout);
|
|
::dup2(fd,1);
|
|
::fflush(stderr);
|
|
::dup2(fd,2);
|
|
::close(fd);
|
|
Debugger::enableOutput(true);
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
static int engineRun(EngineLoop loop = 0)
|
|
{
|
|
time_t t = ::time(0);
|
|
s_startMsg << "Yate (" << ::getpid() << ") is starting " << ::ctime(&t);
|
|
s_startMsg.trimSpaces();
|
|
Output("%s",s_startMsg.c_str());
|
|
Thread::setCurrentObjCounter((s_counter = GenObject::getObjCounter("engine")));
|
|
s_workCnt = GenObject::getObjCounter("workers");
|
|
int retcode = Engine::self()->engineInit();
|
|
if (!retcode)
|
|
retcode = (loop ? loop() : Engine::self()->run());
|
|
if (!retcode)
|
|
retcode = Engine::self()->engineCleanup();
|
|
t = ::time(0);
|
|
Output("Yate (%u) is stopping %s",::getpid(),::ctime(&t));
|
|
return retcode;
|
|
}
|
|
|
|
#ifdef _WINDOWS
|
|
|
|
static SERVICE_STATUS_HANDLE s_handler = 0;
|
|
static SERVICE_STATUS s_status;
|
|
|
|
static void setStatus(DWORD state)
|
|
{
|
|
if (!s_handler)
|
|
return;
|
|
switch (state) {
|
|
case SERVICE_START_PENDING:
|
|
case SERVICE_STOP_PENDING:
|
|
break;
|
|
default:
|
|
s_status.dwCheckPoint = 0;
|
|
}
|
|
s_status.dwCurrentState = state;
|
|
::SetServiceStatus(s_handler,&s_status);
|
|
}
|
|
|
|
static void checkPoint()
|
|
{
|
|
if (!s_handler)
|
|
return;
|
|
s_status.dwCheckPoint++;
|
|
::SetServiceStatus(s_handler,&s_status);
|
|
}
|
|
|
|
static void WINAPI serviceHandler(DWORD code)
|
|
{
|
|
switch (code) {
|
|
case SERVICE_CONTROL_STOP:
|
|
case SERVICE_CONTROL_SHUTDOWN:
|
|
Engine::halt(0);
|
|
setStatus(SERVICE_STOP_PENDING);
|
|
break;
|
|
case SERVICE_CONTROL_PARAMCHANGE:
|
|
Engine::init();
|
|
break;
|
|
case SERVICE_CONTROL_INTERROGATE:
|
|
break;
|
|
default:
|
|
Debug(DebugWarn,"Got unexpected service control code %u",code);
|
|
}
|
|
if (s_handler)
|
|
::SetServiceStatus(s_handler,&s_status);
|
|
}
|
|
|
|
static void serviceMain(DWORD argc, LPTSTR* argv)
|
|
{
|
|
logFileOpen();
|
|
s_status.dwServiceType = SERVICE_WIN32_OWN_PROCESS;
|
|
s_status.dwCurrentState = SERVICE_START_PENDING;
|
|
s_status.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_SHUTDOWN | SERVICE_ACCEPT_PARAMCHANGE;
|
|
s_status.dwWin32ExitCode = NO_ERROR;
|
|
s_status.dwServiceSpecificExitCode = 0;
|
|
s_status.dwCheckPoint = 0;
|
|
s_status.dwWaitHint = 0;
|
|
s_handler = ::RegisterServiceCtrlHandler("yate",serviceHandler);
|
|
if (!s_handler) {
|
|
Debug(DebugFail,"Could not register service control handler \"yate\", code %u",::GetLastError());
|
|
return;
|
|
}
|
|
setStatus(SERVICE_START_PENDING);
|
|
engineRun();
|
|
}
|
|
|
|
static SERVICE_TABLE_ENTRY dispatchTable[] =
|
|
{
|
|
{ TEXT("yate"), (LPSERVICE_MAIN_FUNCTION)serviceMain },
|
|
{ NULL, NULL }
|
|
};
|
|
|
|
#else /* _WINDOWS */
|
|
|
|
#define setStatus(s)
|
|
#define checkPoint()
|
|
|
|
static bool s_logrotator = false;
|
|
static volatile bool s_rotatenow = false;
|
|
static volatile bool s_runagain = true;
|
|
static unsigned int s_rundelay = RUNDELAY_MIN;
|
|
static pid_t s_childpid = -1;
|
|
static pid_t s_superpid = -1;
|
|
|
|
static void superhandler(int signal)
|
|
{
|
|
switch (signal) {
|
|
case SIGUSR1:
|
|
case SIGUSR2:
|
|
s_rundelay = RUNDELAY_MIN;
|
|
break;
|
|
case SIGHUP:
|
|
if (!s_interactive) {
|
|
if (s_logrotator)
|
|
s_rotatenow = true;
|
|
break;
|
|
}
|
|
// intentionally fall through
|
|
case SIGINT:
|
|
case SIGTERM:
|
|
case SIGABRT:
|
|
s_runagain = false;
|
|
}
|
|
if (s_childpid > 0)
|
|
::kill(s_childpid,signal);
|
|
}
|
|
|
|
#define SUPER_MSG(msg,...) \
|
|
{ \
|
|
time_t t = ::time(0); \
|
|
::fprintf(stderr,msg " on %s",##__VA_ARGS__,TelEngine::c_safe(::ctime(&t))); \
|
|
}
|
|
|
|
static void rotatelogs()
|
|
{
|
|
if (s_rotatenow) {
|
|
s_rotatenow = false;
|
|
SUPER_MSG("Supervisor (%d) closing the log file",s_superpid);
|
|
logFileOpen();
|
|
SUPER_MSG("Supervisor (%d) reopening the log file",s_superpid);
|
|
}
|
|
}
|
|
|
|
static void copystream(int dest, int src)
|
|
{
|
|
for (;;) {
|
|
char buf[MAX_LOGBUFF];
|
|
int rd = ::read(src,buf,sizeof(buf));
|
|
if (rd <= 0)
|
|
break;
|
|
YIGNORE(::write(dest,buf,rd));
|
|
}
|
|
rotatelogs();
|
|
}
|
|
|
|
static int supervise(int initDelay)
|
|
{
|
|
s_superpid = ::getpid();
|
|
SUPER_MSG("Supervisor (%d) is starting, max sanity %d",s_superpid,s_max_sanity);
|
|
::signal(SIGINT,superhandler);
|
|
::signal(SIGTERM,superhandler);
|
|
::signal(SIGHUP,superhandler);
|
|
::signal(SIGQUIT,superhandler);
|
|
::signal(SIGABRT,superhandler);
|
|
::signal(SIGUSR1,superhandler);
|
|
::signal(SIGUSR2,superhandler);
|
|
::signal(SIGALRM,SIG_IGN);
|
|
if (initDelay > 0) {
|
|
SUPER_MSG("Supervisor (%d) delaying initial start by %u.%02u seconds",
|
|
s_superpid,(initDelay + 5) / 1000,((initDelay + 5) / 10) % 100);
|
|
::usleep(initDelay * 1000);
|
|
}
|
|
int retcode = 0;
|
|
while (s_runagain) {
|
|
int wdogfd[2];
|
|
if (::pipe(wdogfd)) {
|
|
int err = errno;
|
|
SUPER_MSG("Supervisor: watchdog pipe failed: %s (%d)",::strerror(err),err);
|
|
return err;
|
|
}
|
|
::fcntl(wdogfd[0],F_SETFL,O_NONBLOCK);
|
|
::fcntl(wdogfd[1],F_SETFL,O_NONBLOCK);
|
|
int logfd[2] = { -1, -1 };
|
|
if (s_logrotator) {
|
|
if (::pipe(logfd)) {
|
|
int err = errno;
|
|
SUPER_MSG("Supervisor: log pipe failed: %s (%d)",::strerror(err),err);
|
|
return err;
|
|
}
|
|
::fcntl(logfd[0],F_SETFL,O_NONBLOCK);
|
|
}
|
|
// reap any children we may have before spawning a new one
|
|
while (::waitpid(-1,0,WNOHANG) > 0)
|
|
;
|
|
rotatelogs();
|
|
s_run_attempt++;
|
|
s_childpid = ::fork();
|
|
if (s_childpid < 0) {
|
|
int err = errno;
|
|
SUPER_MSG("Supervisor: fork failed: %s (%d)",::strerror(err),err);
|
|
return err;
|
|
}
|
|
if (s_childpid == 0) {
|
|
// Running in child now
|
|
s_childpid = ::getpid();
|
|
s_super_handle = wdogfd[1];
|
|
::close(wdogfd[0]);
|
|
if (s_logrotator) {
|
|
::close(logfd[0]);
|
|
// Redirect stdout and stderr to the new file
|
|
::fflush(stdout);
|
|
::dup2(logfd[1],1);
|
|
::fflush(stderr);
|
|
::dup2(logfd[1],2);
|
|
::close(logfd[1]);
|
|
}
|
|
::signal(SIGINT,SIG_DFL);
|
|
::signal(SIGTERM,SIG_DFL);
|
|
::signal(SIGHUP,SIG_DFL);
|
|
::signal(SIGQUIT,SIG_DFL);
|
|
::signal(SIGABRT,SIG_DFL);
|
|
return -1;
|
|
}
|
|
::close(wdogfd[1]);
|
|
if (s_logrotator)
|
|
::close(logfd[1]);
|
|
// Wait for the child to die or block
|
|
for (int sanity = INIT_SANITY; sanity > 0; sanity--) {
|
|
int status = -1;
|
|
int tmp = ::waitpid(s_childpid,&status,WNOHANG);
|
|
if (tmp > 0) {
|
|
// Child exited for some reason
|
|
if (WIFEXITED(status)) {
|
|
retcode = WEXITSTATUS(status);
|
|
SUPER_MSG("Supervisor: child %d exited with code %d",s_childpid,retcode);
|
|
if (retcode <= 127)
|
|
s_runagain = false;
|
|
else
|
|
retcode &= 127;
|
|
s_childsig = 0;
|
|
}
|
|
else if (WIFSIGNALED(status)) {
|
|
retcode = WTERMSIG(status);
|
|
SUPER_MSG("Supervisor: child %d died on signal %d",s_childpid,retcode);
|
|
s_childsig = retcode;
|
|
}
|
|
s_childpid = -1;
|
|
break;
|
|
}
|
|
|
|
char buf[MAX_SANITY];
|
|
tmp = ::read(wdogfd[0],buf,sizeof(buf));
|
|
if (tmp >= 0) {
|
|
// Timer messages add one sanity point every second
|
|
tmp += sanity;
|
|
if (tmp > s_max_sanity)
|
|
tmp = s_max_sanity;
|
|
if (sanity < tmp)
|
|
sanity = tmp;
|
|
// Decrement inter-run delay each time child proves sanity
|
|
s_rundelay -= RUNDELAY_DEC;
|
|
if (s_rundelay < RUNDELAY_MIN)
|
|
s_rundelay = RUNDELAY_MIN;
|
|
}
|
|
else if ((errno != EINTR) && (errno != EAGAIN))
|
|
break;
|
|
// Consume sanity points slightly slower than added
|
|
for (int i = 0; i < 12; i++) {
|
|
if (s_logrotator)
|
|
copystream(2,logfd[0]);
|
|
::usleep(100000);
|
|
}
|
|
}
|
|
::close(wdogfd[0]);
|
|
if (s_childpid > 0) {
|
|
// Child failed to proof sanity. Kill it - no need to be gentle.
|
|
SUPER_MSG("Supervisor: killing unresponsive child %d",s_childpid);
|
|
#ifdef RLIMIT_CORE
|
|
// If -Da or -C were specified try to get a corefile
|
|
if (s_sigabrt || s_coredump) {
|
|
#else
|
|
// If -Da was specified try to get a corefile
|
|
if (s_sigabrt) {
|
|
#endif
|
|
::kill(s_childpid,SIGABRT);
|
|
::usleep(500000);
|
|
}
|
|
// Try to kill until it dies or we get a termination signal
|
|
while ((s_childpid > 0) && !::kill(s_childpid,SIGKILL)) {
|
|
if (!s_runagain)
|
|
break;
|
|
::usleep(100000);
|
|
int status = -1;
|
|
if (::waitpid(s_childpid,&status,WNOHANG) > 0)
|
|
break;
|
|
}
|
|
s_childpid = -1;
|
|
s_childsig = SIGCHLD;
|
|
}
|
|
if (s_logrotator) {
|
|
copystream(2,logfd[0]);
|
|
::close(logfd[0]);
|
|
}
|
|
if (s_runagain) {
|
|
if (s_rundelay > RUNDELAY_MIN)
|
|
SUPER_MSG("Supervisor (%d) delaying child start by %u.%02u seconds",
|
|
s_superpid,s_rundelay / 1000000,(s_rundelay / 10000) % 100);
|
|
::usleep(s_rundelay);
|
|
// Exponential backoff, double run delay each time we restart child
|
|
s_rundelay *= 2;
|
|
if (s_rundelay > RUNDELAY_MAX)
|
|
s_rundelay = RUNDELAY_MAX;
|
|
}
|
|
}
|
|
SUPER_MSG("Supervisor (%d) exiting with code %d",s_superpid,retcode);
|
|
return retcode;
|
|
}
|
|
|
|
#undef SUPER_MSG
|
|
|
|
#endif /* _WINDOWS */
|
|
|
|
|
|
SLib::SLib(HMODULE handle, const char* file, bool nounload, unsigned int count)
|
|
: String(moduleBase(file)),
|
|
m_handle(handle), m_nounload(nounload), m_count(count)
|
|
{
|
|
DDebug(DebugAll,"SLib::SLib(%p,'%s',%s,%u) [%p]",
|
|
handle,file,String::boolText(nounload),count,this);
|
|
checkPoint();
|
|
}
|
|
|
|
SLib::~SLib()
|
|
{
|
|
#ifdef DEBUG
|
|
Debugger debug("SLib::~SLib()"," '%s' %u [%p]",c_str(),m_count,this);
|
|
#endif
|
|
unsigned int count = plugins.count();
|
|
if (s_nounload || m_nounload) {
|
|
#ifdef _WINDOWS
|
|
typedef void (WINAPI *pFini)(HINSTANCE,DWORD,LPVOID);
|
|
pFini fini = (pFini)GetProcAddress(m_handle,"_DllMainCRTStartup");
|
|
if (!fini)
|
|
fini = (pFini)GetProcAddress(m_handle,"_CRT_INIT");
|
|
if (fini)
|
|
fini(m_handle,DLL_PROCESS_DETACH,NULL);
|
|
#else
|
|
typedef void (*pFini)();
|
|
pFini fini = (pFini)dlsym(m_handle,"_fini");
|
|
if (fini)
|
|
fini();
|
|
#endif
|
|
if (fini || m_nounload) {
|
|
count -= plugins.count();
|
|
if (count != m_count)
|
|
Debug(DebugCrit,"Finalizing '%s' removed %u out of %u plugins",
|
|
c_str(),count,m_count);
|
|
checkPoint();
|
|
return;
|
|
}
|
|
Debug(DebugWarn,"Could not finalize '%s', will dlclose(%p)",c_str(),m_handle);
|
|
}
|
|
int err = dlclose(m_handle);
|
|
if (err)
|
|
Debug(DebugCrit,"Error %d on dlclose(%p) of '%s'",err,m_handle,c_str());
|
|
else if (s_keepclosing) {
|
|
int tries;
|
|
for (tries=0; tries<10; tries++)
|
|
if (dlclose(m_handle))
|
|
break;
|
|
if (tries)
|
|
Debug(DebugCrit,"Made %d attempts to dlclose(%p) '%s'",
|
|
tries,m_handle,c_str());
|
|
}
|
|
count -= plugins.count();
|
|
if (count != m_count)
|
|
Debug(DebugWarn,"Unloading '%s' removed %u out of %u plugins",
|
|
c_str(),count,m_count);
|
|
checkPoint();
|
|
}
|
|
|
|
SLib* SLib::load(const char* file, bool local, bool nounload)
|
|
{
|
|
DDebug(DebugAll,"SLib::load('%s')",file);
|
|
int flags = RTLD_NOW;
|
|
#ifdef RTLD_GLOBAL
|
|
if (!local)
|
|
flags |= RTLD_GLOBAL;
|
|
#endif
|
|
unsigned int count = plugins.count();
|
|
HMODULE handle = ::dlopen(file,flags);
|
|
if (handle)
|
|
return new SLib(handle,file,nounload,plugins.count() - count);
|
|
#ifdef _WINDOWS
|
|
Debug(DebugWarn,"LoadLibrary error %u in '%s'",::GetLastError(),file);
|
|
#else
|
|
Debug(DebugWarn,"%s",dlerror());
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
bool SLib::unload(bool unloadNow)
|
|
{
|
|
typedef bool (*pUnload)(bool);
|
|
if (m_nounload)
|
|
return false;
|
|
pUnload unl = (pUnload)dlsym(m_handle,"_unload");
|
|
return (unl != 0) && unl(unloadNow);
|
|
}
|
|
|
|
|
|
void SharedVars::get(const String& name, String& rval)
|
|
{
|
|
lock();
|
|
rval = m_vars.getValue(name,rval);
|
|
unlock();
|
|
}
|
|
|
|
void SharedVars::set(const String& name, const char* val)
|
|
{
|
|
lock();
|
|
m_vars.setParam(name,val);
|
|
unlock();
|
|
}
|
|
|
|
bool SharedVars::create(const String& name, const char* val)
|
|
{
|
|
Lock mylock(this);
|
|
if (m_vars.getParam(name))
|
|
return false;
|
|
m_vars.addParam(name,val);
|
|
return true;
|
|
}
|
|
|
|
void SharedVars::clear(const String& name)
|
|
{
|
|
lock();
|
|
m_vars.clearParam(name);
|
|
unlock();
|
|
}
|
|
|
|
void SharedVars::clearAll()
|
|
{
|
|
if (this == &Engine::sharedVars())
|
|
return;
|
|
Lock mylock(this);
|
|
m_vars.clearParams();
|
|
}
|
|
|
|
bool SharedVars::exists(const String& name)
|
|
{
|
|
Lock mylock(this);
|
|
return m_vars.getParam(name) != 0;
|
|
}
|
|
|
|
uint64_t SharedVars::inc(const String& name, uint64_t wrap)
|
|
{
|
|
Lock mylock(this);
|
|
uint64_t val = m_vars.getUInt64Value(name);
|
|
if (wrap)
|
|
val = val % (wrap + 1);
|
|
uint64_t nval = val + 1;
|
|
if (wrap)
|
|
nval = nval % (wrap + 1);
|
|
m_vars.setParam(name,String(nval));
|
|
return val;
|
|
}
|
|
|
|
uint64_t SharedVars::dec(const String& name, uint64_t wrap)
|
|
{
|
|
Lock mylock(this);
|
|
uint64_t val = m_vars.getUInt64Value(name);
|
|
if (wrap)
|
|
val = val ? ((val - 1) % (wrap + 1)) : wrap;
|
|
else
|
|
val = val ? (val - 1) : 0;
|
|
m_vars.setParam(name,String(val));
|
|
return val;
|
|
}
|
|
|
|
uint64_t SharedVars::add(const String& name, uint64_t value, uint64_t wrap)
|
|
{
|
|
Lock mylock(this);
|
|
uint64_t val = m_vars.getUInt64Value(name);
|
|
if (wrap)
|
|
val = val % (wrap + 1);
|
|
uint64_t nval = val + value;
|
|
if (wrap)
|
|
nval = nval % (wrap + 1);
|
|
m_vars.setParam(name,String(nval));
|
|
return val;
|
|
}
|
|
|
|
uint64_t SharedVars::sub(const String& name, uint64_t value, uint64_t wrap)
|
|
{
|
|
Lock mylock(this);
|
|
uint64_t val = m_vars.getUInt64Value(name);
|
|
if (wrap)
|
|
val = (val >= value) ? ((val - value) % (wrap + 1)) : wrap;
|
|
else
|
|
val = (val >= value) ? (val - value) : 0;
|
|
m_vars.setParam(name,String(val));
|
|
return val;
|
|
}
|
|
|
|
bool SharedVars::getList(RefPointer<SharedVars>& dest, const String& name)
|
|
{
|
|
if (!name)
|
|
return false;
|
|
Lock lck(s_vars.varsListMutex);
|
|
ObjList* o = s_vars.varsList.find(name);
|
|
if (o)
|
|
dest = static_cast<SharedVars*>(o->get());
|
|
else {
|
|
dest = new SharedVars(name);
|
|
s_vars.varsList.append(dest);
|
|
}
|
|
return 0 != dest;
|
|
}
|
|
|
|
|
|
Engine::Engine()
|
|
: m_dispatchedLast(0), m_messageRate(0), m_maxMsgRate(0),
|
|
m_rateCongested(false), m_queueCongested(false), m_ageCongested(false)
|
|
{
|
|
DDebug(DebugAll,"Engine::Engine() [%p]",this);
|
|
initUsrPath(s_usrpath);
|
|
}
|
|
|
|
Engine::~Engine()
|
|
{
|
|
#ifdef DEBUG
|
|
Debugger debug("Engine::~Engine()"," libs=%u plugins=%u [%p]",
|
|
m_libs.count(),plugins.count(),this);
|
|
#endif
|
|
assert(this == s_self);
|
|
m_dispatcher.clear();
|
|
m_libs.clear();
|
|
s_events.clear();
|
|
s_mode = Stopped;
|
|
s_self = 0;
|
|
}
|
|
|
|
int Engine::engineInit()
|
|
{
|
|
#ifdef _WINDOWS
|
|
// In Windows we must initialize the socket library very early because even trivial
|
|
// functions like endianess swapping - ntohl and family - need it to be initialized
|
|
WSADATA wsaData;
|
|
int errc = ::WSAStartup(MAKEWORD(2,2), &wsaData);
|
|
if (errc) {
|
|
Debug(DebugCrit,"Failed to initialize the Windows Sockets library, error code %d",errc);
|
|
return errc & 127;
|
|
}
|
|
#else
|
|
::signal(SIGPIPE,SIG_IGN);
|
|
::signal(SIGALRM,SIG_IGN);
|
|
#endif
|
|
CapturedEvent::capturing(s_capture);
|
|
s_cfg = configFile(s_cfgfile);
|
|
s_cfg.load();
|
|
s_capture = s_cfg.getBoolValue("general","startevents",s_capture);
|
|
CapturedEvent::capturing(s_capture);
|
|
if (s_capture && s_startMsg)
|
|
CapturedEvent::append(-1,s_startMsg);
|
|
String track = s_cfg.getValue("general","trackparam");
|
|
if (track.null() || track.toBoolean(false))
|
|
track = "handlers";
|
|
else if (!track.toBoolean(true))
|
|
track.clear();
|
|
if (track)
|
|
m_dispatcher.trackParam(track);
|
|
#ifdef _WINDOWS
|
|
int winTimerRes = s_cfg.getIntValue("general","wintimer");
|
|
if ((winTimerRes > 0) && (winTimerRes < 100)) {
|
|
typedef ULONG (__stdcall *NTSTR)(ULONG,BOOLEAN,PULONG);
|
|
String err;
|
|
HMODULE ntDll = GetModuleHandle("NTDLL.DLL");
|
|
if (ntDll) {
|
|
NTSTR ntSTR = (NTSTR)GetProcAddress(ntDll,"NtSetTimerResolution");
|
|
if (ntSTR) {
|
|
ULONG res = 0;
|
|
unsigned int ntstatus = ntSTR(10000*winTimerRes,true,&res);
|
|
if (ntstatus)
|
|
err << "NTSTATUS " << ntstatus;
|
|
}
|
|
else
|
|
err = "NtSetTimerResolution not found";
|
|
}
|
|
else
|
|
err = "NTDLL not found (Windows 9x or ME?)";
|
|
if (err)
|
|
Debug(DebugWarn,"Timer resolution not set: %s",err.c_str());
|
|
}
|
|
#endif
|
|
Thread::idleMsec(s_cfg.getIntValue("general","idlemsec",(clientMode() ? 2 * Thread::idleMsec() : 0)));
|
|
SysUsage::init();
|
|
|
|
s_runid = Time::secNow();
|
|
if (s_node.trimBlanks().null()) {
|
|
char hostName[HOST_NAME_MAX+1];
|
|
if (::gethostname(hostName,sizeof(hostName)))
|
|
hostName[0] = '\0';
|
|
s_node = s_cfg.getValue("general","nodename",hostName);
|
|
s_node.trimBlanks();
|
|
}
|
|
const char *modPath = s_cfg.getValue("general","modpath");
|
|
if (modPath)
|
|
s_modpath = modPath;
|
|
s_minworkers = s_cfg.getIntValue("general","minworkers",s_minworkers,1,500);
|
|
s_maxworkers = s_cfg.getIntValue("general","maxworkers",s_maxworkers,s_minworkers,1000);
|
|
s_addworkers = s_cfg.getIntValue("general","addworkers",s_addworkers,1,10);
|
|
s_maxmsgrate = s_cfg.getIntValue("general","maxmsgrate",s_maxmsgrate,0,50000);
|
|
s_maxmsgage = s_cfg.getIntValue("general","maxmsgage",s_maxmsgage,0,5000);
|
|
s_maxqueued = s_cfg.getIntValue("general","maxqueued",s_maxqueued,0,10000);
|
|
s_maxevents = s_cfg.getIntValue("general","maxevents",s_maxevents,0,1000);
|
|
s_restarts = s_cfg.getIntValue("general","restarts");
|
|
s_timejump = s_cfg.getIntValue("general","timejump",0,0,MAX_TIME_JUMP);
|
|
if (s_timejump && (s_timejump < MIN_TIME_JUMP))
|
|
s_timejump = MIN_TIME_JUMP;
|
|
s_timejump *= 1000;
|
|
m_dispatcher.warnTime(1000*(u_int64_t)s_cfg.getIntValue("general","warntime"));
|
|
m_dispatcher.traceTime(s_cfg.getBoolValue("general","trace_msg_time"));
|
|
m_dispatcher.traceHandlerTime(s_cfg.getBoolValue("general","trace_msg_handler_time"));
|
|
extraPath(clientMode() ? "client" : "server");
|
|
extraPath(s_cfg.getValue("general","extrapath"));
|
|
|
|
s_params.addParam("version",YATE_VERSION);
|
|
s_params.addParam("release",YATE_STATUS YATE_RELEASE);
|
|
s_params.addParam("revision",YATE_REVISION);
|
|
s_params.addParam("nodename",s_node);
|
|
s_params.addParam("runid",String(s_runid));
|
|
s_params.addParam("configname",s_cfgfile);
|
|
s_params.addParam("sharedpath",s_shrpath);
|
|
s_params.addParam("configpath",s_cfgpath);
|
|
s_params.addParam("usercfgpath",s_usrpath);
|
|
s_params.addParam("cfgsuffix",s_cfgsuffix);
|
|
s_params.addParam("modulepath",s_modpath);
|
|
s_params.addParam("modsuffix",s_modsuffix);
|
|
s_params.addParam("logfile",s_logfile);
|
|
s_params.addParam("interactive",String::boolText(s_interactive));
|
|
s_params.addParam("clientmode",String::boolText(clientMode()));
|
|
s_params.addParam("supervised",String::boolText(s_super_handle >= 0));
|
|
s_params.addParam("runattempt",String(s_run_attempt));
|
|
#ifndef _WINDOWS
|
|
s_params.addParam("lastsignal",String(s_childsig));
|
|
if (s_childpid != -1)
|
|
s_params.addParam("childpid",String(s_childpid));
|
|
if (s_superpid != -1)
|
|
s_params.addParam("superpid",String(s_superpid));
|
|
#endif
|
|
s_params.addParam("minworkers",String(s_minworkers));
|
|
s_params.addParam("maxworkers",String(s_maxworkers));
|
|
s_params.addParam("addworkers",String(s_addworkers));
|
|
s_params.addParam("maxmsgrate",String(s_maxmsgrate));
|
|
s_params.addParam("maxmsgage",String(s_maxmsgage));
|
|
s_params.addParam("maxqueued",String(s_maxqueued));
|
|
s_params.addParam("maxevents",String(s_maxevents));
|
|
if (s_affinity)
|
|
s_params.addParam("affinity",s_affinity);
|
|
|
|
int nodeBits = s_cfg.getIntValue("general","nodebits",0,0,12);
|
|
if (nodeBits) {
|
|
int nodeId = s_cfg.getIntValue("general","nodeid",0);
|
|
if (0 <= nodeId && nodeId < (1 << nodeBits)) {
|
|
s_params.addParam("nodeid",String(nodeId));
|
|
s_params.addParam("nodebits",String(nodeBits));
|
|
}
|
|
else
|
|
Debug(DebugConf,"Not setting node ID to '%d': not in range 0-%d, node bits='%d'",
|
|
nodeId,(1 << nodeBits) - 1,nodeBits);
|
|
}
|
|
if (track)
|
|
s_params.addParam("trackparam",track);
|
|
#ifdef _WINDOWS
|
|
{
|
|
char buf[PATH_MAX];
|
|
DWORD ret = ::GetCurrentDirectoryA(PATH_MAX,buf);
|
|
if (ret && (ret < PATH_MAX))
|
|
s_params.addParam("workpath",buf);
|
|
}
|
|
#elif defined (HAVE_GETCWD)
|
|
{
|
|
char buf[PATH_MAX];
|
|
if (::getcwd(buf,PATH_MAX))
|
|
s_params.addParam("workpath",buf);
|
|
}
|
|
#endif
|
|
// Apply and remove any 'runparam' commands here, before anything can use them
|
|
for (ObjList* cmd = s_cmds ? s_cmds->skipNull() : 0; cmd; ) {
|
|
String* s = static_cast<String*>(cmd->get());
|
|
if (!s->startSkip("runparam")) {
|
|
cmd = cmd->skipNext();
|
|
continue;
|
|
}
|
|
String par;
|
|
int sep = s->find('=');
|
|
if (sep > 0)
|
|
par = s->substr(0,sep).trimBlanks();
|
|
if (par) {
|
|
if (s_params.getParam(par))
|
|
Debug(DebugMild,"Not overwriting runtime parameter '%s'",par.c_str());
|
|
else {
|
|
String val = s->substr(sep+1);
|
|
s_params.replaceParams(val);
|
|
s_params.addParam(par,val.trimBlanks());
|
|
}
|
|
}
|
|
else
|
|
Debug(DebugWarn,"Invalid command 'runparam %s'",s->safe());
|
|
cmd->remove();
|
|
cmd = cmd->skipNull();
|
|
}
|
|
NamedList* vars = s_cfg.getSection("run_params");
|
|
if (vars) {
|
|
unsigned int n = vars->length();
|
|
for (unsigned int i = 0; i < n; i++) {
|
|
NamedString* p = vars->getParam(i);
|
|
if (!(p && p->name()))
|
|
continue;
|
|
if (s_params.getParam(p->name()))
|
|
Debug(DebugMild,"Not overwriting runtime parameter '%s'",p->name().c_str());
|
|
else {
|
|
String val = *p;
|
|
Engine::s_params.replaceParams(val);
|
|
s_params.addParam(p->name(),val);
|
|
}
|
|
}
|
|
}
|
|
// Reload configuration file so conditionals will take into account runtime parameters
|
|
s_cfg.load();
|
|
vars = s_cfg.getSection("variables");
|
|
if (vars) {
|
|
unsigned int n = vars->length();
|
|
for (unsigned int i = 0; i < n; i++) {
|
|
NamedString* v = vars->getParam(i);
|
|
if (v)
|
|
s_vars.vars->set(v->name(),*v);
|
|
}
|
|
}
|
|
DDebug(DebugAll,"Engine::run()");
|
|
install(new EngineStatusHandler);
|
|
install(new EngineEventHandler);
|
|
install(new EngineCommand);
|
|
install(new EngineHelp);
|
|
loadPlugins();
|
|
Debug(DebugAll,"Loaded %d plugins",plugins.count());
|
|
if (s_super_handle >= 0) {
|
|
install(new EngineSuperHandler);
|
|
if (s_restarts)
|
|
s_restarts = 1000000 * s_restarts + Time::now();
|
|
}
|
|
else if (s_restarts) {
|
|
Debug(DebugWarn,"No supervisor - disabling automatic restarts");
|
|
s_restarts = 0;
|
|
}
|
|
if (s_cfg.getBoolValue("general","abortinfo",true))
|
|
s_abrt_handler = ::signal(SIGABRT,abrthandler);
|
|
initPlugins();
|
|
checkPoint();
|
|
::signal(SIGINT,sighandler);
|
|
::signal(SIGTERM,sighandler);
|
|
Debug(DebugAll,"Engine dispatching start message");
|
|
dispatch("engine.start",true);
|
|
s_started = true;
|
|
internalStatisticsStart();
|
|
setStatus(SERVICE_RUNNING);
|
|
#ifndef _WINDOWS
|
|
::signal(SIGHUP,sighandler);
|
|
::signal(SIGQUIT,sighandler);
|
|
::signal(SIGCHLD,sighandler);
|
|
::signal(SIGUSR1,sighandler);
|
|
::signal(SIGUSR2,sighandler);
|
|
#endif
|
|
if (s_startMsg) {
|
|
Message* m = new Message("module.update");
|
|
m->addParam("fulltext",s_startMsg);
|
|
if (nodeName())
|
|
m->addParam("nodename",nodeName());
|
|
enqueue(m);
|
|
}
|
|
Output("Yate%s engine is initialized and starting up%s%s",
|
|
clientMode() ? " client" : "",s_node.null() ? "" : " on " ,s_node.safe());
|
|
|
|
return 0;
|
|
}
|
|
|
|
int Engine::run()
|
|
{
|
|
// engine loop
|
|
long corr = 0;
|
|
uint64_t last = 0;
|
|
int stops = MAX_STOP;
|
|
while (s_haltcode == -1 || ((--stops >= 0) && dispatch("engine.stop",true))) {
|
|
if (s_cmds) {
|
|
Output("Executing initial commands");
|
|
for (ObjList* c = s_cmds->skipNull(); c; c=c->skipNext()) {
|
|
String* s = static_cast<String*>(c->get());
|
|
Message m("engine.command");
|
|
m.addParam("line",*s);
|
|
if (dispatch(m)) {
|
|
if (m.retValue())
|
|
Output("%s",m.retValue().c_str());
|
|
}
|
|
else
|
|
Debug(DebugWarn,"Unrecognized command '%s'",s->c_str());
|
|
}
|
|
destruct(s_cmds);
|
|
}
|
|
|
|
if (s_init) {
|
|
s_init = false;
|
|
s_cfg.load();
|
|
s_params.setParam("maxworkers",String((s_maxworkers
|
|
= s_cfg.getIntValue("general","maxworkers",s_maxworkers,s_minworkers,1000))));
|
|
s_params.setParam("addworkers",String((s_addworkers
|
|
= s_cfg.getIntValue("general","addworkers",s_addworkers,1,10))));
|
|
s_params.setParam("maxmsgrate",String((s_maxmsgrate
|
|
= s_cfg.getIntValue("general","maxmsgrate",s_maxmsgrate,0,50000))));
|
|
s_params.setParam("maxmsgage",String((s_maxmsgage
|
|
= s_cfg.getIntValue("general","maxmsgage",s_maxmsgage,0,5000))));
|
|
s_params.setParam("maxqueued",String((s_maxqueued
|
|
= s_cfg.getIntValue("general","maxqueued",s_maxqueued,0,10000))));
|
|
s_params.setParam("maxevents",String((s_maxevents
|
|
= s_cfg.getIntValue("general","maxevents",s_maxevents,0,1000))));
|
|
s_timejump = s_cfg.getIntValue("general","timejump",s_timejump,0,MAX_TIME_JUMP);
|
|
if (s_timejump && (s_timejump < MIN_TIME_JUMP))
|
|
s_timejump = MIN_TIME_JUMP;
|
|
s_timejump *= 1000;
|
|
initPlugins();
|
|
last = 0;
|
|
}
|
|
|
|
if (s_debug) {
|
|
// one-time sending of debug setup messages
|
|
s_debug = false;
|
|
const NamedList* sect = s_cfg.getSection("debug");
|
|
if (sect) {
|
|
unsigned int n = sect->length();
|
|
for (unsigned int i = 0; i < n; i++) {
|
|
const NamedString* str = sect->getParam(i);
|
|
if (!(str && str->name() && *str))
|
|
continue;
|
|
Message* m = new Message("engine.debug");
|
|
m->addParam("module",str->name());
|
|
m->addParam("line",*str);
|
|
enqueue(m);
|
|
}
|
|
}
|
|
}
|
|
else if (s_capture) {
|
|
// end capturing startup messages
|
|
s_capture = false;
|
|
CapturedEvent::capturing(false);
|
|
}
|
|
|
|
if (s_exit >= 0) {
|
|
halt(s_exit);
|
|
s_exit = -1;
|
|
}
|
|
|
|
// Create worker thread if we didn't hear about any of them in a while
|
|
int build = s_maxworkers - EnginePrivate::count;
|
|
if (s_makeworker && (build > 0)) {
|
|
if (EnginePrivate::count) {
|
|
if (build > s_addworkers)
|
|
build = s_addworkers;
|
|
Alarm("engine","performance",
|
|
(EnginePrivate::count > (s_minworkers + 3)) ? DebugWarn : DebugMild,
|
|
"Creating new %d message dispatching threads (%d running)",
|
|
build,EnginePrivate::count);
|
|
}
|
|
else {
|
|
build = s_minworkers;
|
|
if (!s_semWorkers && s_cfg.getBoolValue("general","semworkers",Semaphore::efficientTimedLock()))
|
|
s_semWorkers = new Semaphore(build,"Workers",0);
|
|
Debug(DebugInfo,"Creating first %d message dispatching threads%s",build,
|
|
(s_semWorkers ? " and semaphore" : ""));
|
|
}
|
|
do {
|
|
(new EnginePrivate)->startup();
|
|
} while (--build > 0);
|
|
}
|
|
else {
|
|
s_makeworker = true;
|
|
// Wake at least one worker into action
|
|
Semaphore* s = s_semWorkers;
|
|
if (s)
|
|
s->unlock();
|
|
}
|
|
|
|
uint64_t now = Time::now();
|
|
if (last) {
|
|
long diff = (long)((int64_t)(now - last) / 1000);
|
|
if ((diff <= 0) || (s_timejump && (diff > s_timejump))) {
|
|
const char* rst = (s_timejump && (s_super_handle >= 0)) ? " Restarting!" : "";
|
|
Alarm("engine","system",DebugCrit,"System time advanced by %ld msec.%s",diff,rst);
|
|
if (s_timejump)
|
|
restart(0,false);
|
|
}
|
|
}
|
|
last = now;
|
|
if (s_restarts && (now >= s_restarts)) {
|
|
if (!(usedPlugins() || dispatch("engine.busy"))) {
|
|
s_restarts = 0;
|
|
restart(0,false);
|
|
break;
|
|
}
|
|
DDebug(DebugAll,"Engine busy - will try to restart later");
|
|
// If we cannot restart now try again in 10s
|
|
s_restarts = now + 10000000;
|
|
}
|
|
|
|
uint64_t disp = m_dispatcher.dispatchCount();
|
|
m_messageRate = (unsigned int)(disp - m_dispatchedLast);
|
|
m_dispatchedLast = disp;
|
|
if (m_maxMsgRate < m_messageRate)
|
|
m_maxMsgRate = m_messageRate;
|
|
bool cong = s_maxmsgrate && (m_messageRate > (unsigned)s_maxmsgrate);
|
|
if (cong != m_rateCongested) {
|
|
m_rateCongested = cong;
|
|
setCongestion(cong ? "message rate over limit" : 0);
|
|
}
|
|
cong = s_maxmsgage && (m_dispatcher.messageAge() > (unsigned)s_maxmsgage);
|
|
if (cong != m_ageCongested) {
|
|
m_ageCongested = cong;
|
|
setCongestion(cong ? "message age over limit" : 0);
|
|
}
|
|
cong = s_maxqueued && (m_dispatcher.messageCount() > (unsigned)s_maxqueued);
|
|
if (cong != m_queueCongested) {
|
|
m_queueCongested = cong;
|
|
setCongestion(cong ? "message queue over limit" : 0);
|
|
}
|
|
|
|
// Attempt to sleep until the next full second
|
|
u_int64_t tstart = Time::now();
|
|
long t = 1000000 - (long)(tstart % 1000000) - corr;
|
|
if (t < 250000)
|
|
t += 1000000;
|
|
XDebug(DebugAll,"Sleeping for %ld",t);
|
|
long diff = 0;
|
|
while (t > diff) {
|
|
Thread::usleep(t - diff);
|
|
diff = Time::now() - tstart;
|
|
}
|
|
Message* m = new Message("engine.timer",0,true);
|
|
m->addParam("time",String(m->msgTime().sec()));
|
|
if (nodeName())
|
|
m->addParam("nodename",nodeName());
|
|
if (s_haltcode == -1) {
|
|
// Try to fine tune the ticker unless exiting
|
|
t = (long)(m->msgTime().usec() % 1000000);
|
|
if (t > 500000)
|
|
corr -= (1000000-t)/10;
|
|
else
|
|
corr += t/10;
|
|
XDebug(DebugAll,"Adjustment at %ld, corr %ld",t,corr);
|
|
}
|
|
enqueue(m);
|
|
Thread::yield();
|
|
}
|
|
s_haltcode &= 0xff;
|
|
return 0;
|
|
}
|
|
|
|
int Engine::engineCleanup()
|
|
{
|
|
Output("Yate engine is shutting down with code %d",s_haltcode);
|
|
CapturedEvent::capturing(false);
|
|
setStatus(SERVICE_STOP_PENDING);
|
|
::signal(SIGINT,SIG_DFL);
|
|
Lock myLock(s_hooksMutex);
|
|
for (ObjList* o = s_hooks.skipNull();o;o = o->skipNext()) {
|
|
MessageHook* mh = static_cast<MessageHook*>(o->get());
|
|
mh->clear();
|
|
}
|
|
myLock.drop();
|
|
dispatch("engine.halt",true);
|
|
checkPoint();
|
|
Semaphore* s = s_semWorkers;
|
|
s_semWorkers = 0;
|
|
if (s) {
|
|
for (int i = EnginePrivate::count; i > 0; i--)
|
|
s->unlock();
|
|
}
|
|
Thread::msleep(200);
|
|
m_dispatcher.dequeue();
|
|
checkPoint();
|
|
// We are occasionally doing things that can cause crashes so don't abort
|
|
abortOnBug(s_sigabrt && s_lateabrt);
|
|
Thread::killall();
|
|
checkPoint();
|
|
m_dispatcher.dequeue();
|
|
::signal(SIGTERM,SIG_DFL);
|
|
#ifndef _WINDOWS
|
|
::signal(SIGHUP,SIG_DFL);
|
|
::signal(SIGQUIT,SIG_DFL);
|
|
#endif
|
|
delete this;
|
|
int mux = Mutex::locks();
|
|
if (mux < 0)
|
|
mux = 0;
|
|
unsigned int cnt = plugins.count();
|
|
plugins.clear();
|
|
if (mux || cnt)
|
|
Debug(DebugWarn,"Exiting with %d locked mutexes and %u plugins loaded!",mux,cnt);
|
|
delete s;
|
|
if (GenObject::getObjCounting()) {
|
|
String str;
|
|
int obj = EngineStatusHandler::objects(str);
|
|
if (str)
|
|
Debug(DebugNote,"Exiting with %d allocated objects: %s",obj,str.c_str());
|
|
}
|
|
#ifdef _WINDOWS
|
|
::WSACleanup();
|
|
#endif
|
|
setStatus(SERVICE_STOPPED);
|
|
return s_haltcode;
|
|
}
|
|
|
|
void Engine::internalStatisticsStart()
|
|
{
|
|
// This is here so runtime analyzers can start or reset statistics
|
|
// after the cruft of module load + global objects initialization
|
|
}
|
|
|
|
Engine* Engine::self()
|
|
{
|
|
if (!s_self)
|
|
s_self = new Engine;
|
|
return s_self;
|
|
}
|
|
|
|
void Engine::setCongestion(const char* reason)
|
|
{
|
|
unsigned int cong = 2;
|
|
s_congMutex.lock();
|
|
if (reason)
|
|
cong = ++s_congestion;
|
|
else if (s_congestion)
|
|
cong = --s_congestion;
|
|
s_congMutex.unlock();
|
|
switch (cong) {
|
|
case 0:
|
|
Alarm("engine","performance",DebugNote,"Engine congestion ended");
|
|
break;
|
|
case 1:
|
|
if (reason)
|
|
Alarm("engine","performance",DebugWarn,"Engine is congested: %s",reason);
|
|
break;
|
|
default:
|
|
if (reason)
|
|
Debug("engine",DebugNote,"Engine extra congestion: %s",reason);
|
|
}
|
|
}
|
|
|
|
const char* Engine::pathSeparator()
|
|
{
|
|
return PATH_SEP;
|
|
}
|
|
|
|
const String& Engine::configPath(bool user)
|
|
{
|
|
if (user) {
|
|
if (s_createusr) {
|
|
// create user data dir on first request
|
|
s_createusr = false;
|
|
if (::mkdir(s_usrpath,S_IRWXU) == 0)
|
|
Debug(DebugNote,"Created user data directory: '%s'",s_usrpath.c_str());
|
|
}
|
|
return s_usrpath;
|
|
}
|
|
return s_cfgpath;
|
|
}
|
|
|
|
String Engine::configFile(const char* name, bool user)
|
|
{
|
|
String path = configPath(user);
|
|
if (!path.endsWith(PATH_SEP))
|
|
path += PATH_SEP;
|
|
return path + name + s_cfgsuffix;
|
|
}
|
|
|
|
const Configuration& Engine::config()
|
|
{
|
|
return s_cfg;
|
|
}
|
|
|
|
bool Engine::Register(const Plugin* plugin, bool reg)
|
|
{
|
|
DDebug(DebugInfo,"Engine::Register(%p,%d)",plugin,reg);
|
|
ObjList *p = plugins.find(plugin);
|
|
if (reg) {
|
|
if (p)
|
|
return false;
|
|
if (plugin->earlyInit()) {
|
|
s_loadMode = LoadEarly;
|
|
p = plugins.insert(plugin);
|
|
}
|
|
else
|
|
p = plugins.append(plugin);
|
|
p->setDelete(s_dynplugin);
|
|
}
|
|
else if (p)
|
|
p->remove(false);
|
|
return true;
|
|
}
|
|
|
|
bool Engine::loadPlugin(const char* file, bool local, bool nounload)
|
|
{
|
|
s_dynplugin = false;
|
|
s_loadMode = Engine::LoadLate;
|
|
SLib *lib = SLib::load(file,local,nounload);
|
|
s_dynplugin = true;
|
|
if (lib) {
|
|
switch (s_loadMode) {
|
|
case LoadFail:
|
|
delete lib;
|
|
return false;
|
|
case LoadEarly:
|
|
// load early - unload late
|
|
m_libs.append(lib);
|
|
break;
|
|
default:
|
|
m_libs.insert(lib);
|
|
break;
|
|
}
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void Engine::pluginMode(PluginMode mode)
|
|
{
|
|
s_loadMode = mode;
|
|
}
|
|
|
|
void Engine::tryPluginFile(const String& name, const String& path, bool defload)
|
|
{
|
|
XDebug(DebugInfo,"Found dir entry: %s",name.c_str());
|
|
if (s_modsuffix && !name.endsWith(s_modsuffix))
|
|
return;
|
|
const String* s = s_cfg.getKey(YSTRING("modules"),name);
|
|
if (s) {
|
|
if (!s->toBoolean(defload || s->null()))
|
|
return;
|
|
}
|
|
else if (!defload)
|
|
return;
|
|
|
|
loadPlugin(path + PATH_SEP + name,
|
|
s_cfg.getBoolValue(YSTRING("localsym"),name,s_localsymbol),
|
|
s_cfg.getBoolValue(YSTRING("nounload"),name));
|
|
}
|
|
|
|
bool Engine::loadPluginDir(const String& relPath)
|
|
{
|
|
#ifdef DEBUG
|
|
Debugger debug("Engine::loadPluginDir","('%s')",relPath.c_str());
|
|
#endif
|
|
bool defload = s_cfg.getBoolValue("general","modload",true);
|
|
String path = s_modpath;
|
|
static const Regexp r("^\\([/\\]\\|[[:alpha:]]:[/\\]\\).");
|
|
if (r.matches(relPath))
|
|
path = relPath;
|
|
else if (relPath) {
|
|
if (!path.endsWith(PATH_SEP))
|
|
path += PATH_SEP;
|
|
path += relPath;
|
|
}
|
|
if (path.endsWith(s_modsuffix)) {
|
|
int sep = path.rfind(PATH_SEP[0]);
|
|
if (sep >= 0)
|
|
sep++;
|
|
else
|
|
sep = 0;
|
|
String name = path.substr(sep);
|
|
if (loadPlugin(path,s_cfg.getBoolValue("localsym",name,s_localsymbol),
|
|
s_cfg.getBoolValue("nounload",name)))
|
|
return true;
|
|
}
|
|
if (path.endsWith(PATH_SEP))
|
|
path = path.substr(0,path.length()-1);
|
|
#ifdef _WINDOWS
|
|
WIN32_FIND_DATA entry;
|
|
HANDLE hf = ::FindFirstFile(path + PATH_SEP "*",&entry);
|
|
if (hf == INVALID_HANDLE_VALUE) {
|
|
Debug(DebugWarn,"Engine::loadPlugins() failed directory '%s'",path.safe());
|
|
return false;
|
|
}
|
|
do {
|
|
tryPluginFile(entry.cFileName,path,defload);
|
|
} while (::FindNextFile(hf,&entry) && !exiting());
|
|
::FindClose(hf);
|
|
#else
|
|
DIR *dir = ::opendir(path);
|
|
if (!dir) {
|
|
Debug(DebugWarn,"Engine::loadPlugins() failed directory '%s'",path.safe());
|
|
return false;
|
|
}
|
|
struct dirent *entry;
|
|
while (((entry = ::readdir(dir)) != 0) && !exiting())
|
|
tryPluginFile(entry->d_name,path,defload);
|
|
::closedir(dir);
|
|
#endif
|
|
return true;
|
|
}
|
|
|
|
void Engine::loadPlugins()
|
|
{
|
|
NamedList *l = s_cfg.getSection("preload");
|
|
if (l) {
|
|
unsigned int len = l->length();
|
|
for (unsigned int i=0; i<len; i++) {
|
|
NamedString *n = l->getParam(i);
|
|
if (n && n->toBoolean(n->null())) {
|
|
String path(n->name());
|
|
s_params.replaceParams(path);
|
|
loadPlugin(path);
|
|
}
|
|
if (exiting())
|
|
break;
|
|
}
|
|
}
|
|
loadPluginDir(String::empty());
|
|
while (GenObject* extra = s_extramod.remove(false)) {
|
|
loadPluginDir(extra->toString());
|
|
extra->destruct();
|
|
}
|
|
l = s_cfg.getSection("postload");
|
|
if (l) {
|
|
unsigned int len = l->length();
|
|
for (unsigned int i=0; i<len; i++) {
|
|
if (exiting())
|
|
return;
|
|
NamedString *n = l->getParam(i);
|
|
if (n && n->toBoolean(n->null())) {
|
|
String path(n->name());
|
|
s_params.replaceParams(path);
|
|
loadPlugin(path);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void Engine::initPlugins()
|
|
{
|
|
if (exiting())
|
|
return;
|
|
Output("Initializing plugins");
|
|
dispatch("engine.init",true);
|
|
ObjList *l = plugins.skipNull();
|
|
for (; l; l = l->skipNext()) {
|
|
Plugin *p = static_cast<Plugin *>(l->get());
|
|
TempObjectCounter cnt(p->objectsCounter(),true);
|
|
p->initialize();
|
|
if (exiting()) {
|
|
Output("Initialization aborted, exiting...");
|
|
return;
|
|
}
|
|
}
|
|
Output("Initialization complete");
|
|
}
|
|
|
|
int Engine::usedPlugins()
|
|
{
|
|
int used = 0;
|
|
ObjList *l = plugins.skipNull();
|
|
for (; l; l = l->skipNext()) {
|
|
Plugin *p = static_cast<Plugin *>(l->get());
|
|
if (p->isBusy())
|
|
used++;
|
|
}
|
|
return used;
|
|
}
|
|
|
|
void Engine::extraPath(const String& path)
|
|
{
|
|
if (path.null() || s_extramod.find(path))
|
|
return;
|
|
s_extramod.append(new String(path));
|
|
}
|
|
|
|
void Engine::userPath(const String& path)
|
|
{
|
|
if (path.null())
|
|
return;
|
|
if (s_usrpath.null())
|
|
s_userdir = path;
|
|
else
|
|
Debug(DebugWarn,"Engine::userPath('%s') called too late!",path.c_str());
|
|
}
|
|
|
|
void Engine::halt(unsigned int code)
|
|
{
|
|
if (s_haltcode == -1)
|
|
s_haltcode = code;
|
|
}
|
|
|
|
bool Engine::restart(unsigned int code, bool gracefull)
|
|
{
|
|
if ((s_super_handle < 0) || (s_haltcode != -1))
|
|
return false;
|
|
if (gracefull)
|
|
s_restarts = 1;
|
|
else
|
|
s_haltcode = (code & 0xff) | 0x80;
|
|
return true;
|
|
}
|
|
|
|
void Engine::init()
|
|
{
|
|
s_init = true;
|
|
}
|
|
|
|
bool Engine::init(const String& name)
|
|
{
|
|
if (exiting() || !s_self)
|
|
return false;
|
|
if (name.null() || name == "*" || name == "all") {
|
|
s_init = true;
|
|
return true;
|
|
}
|
|
Output("Initializing plugin '%s'",name.c_str());
|
|
Message msg("engine.init",0,true);
|
|
msg.addParam("plugin",name);
|
|
if (nodeName())
|
|
msg.addParam("nodename",nodeName());
|
|
bool ok = s_self->m_dispatcher.dispatch(msg);
|
|
Plugin* p = static_cast<Plugin*>(plugins[name]);
|
|
if (p) {
|
|
TempObjectCounter cnt(p->objectsCounter(),true);
|
|
p->initialize();
|
|
ok = true;
|
|
}
|
|
return ok;
|
|
}
|
|
|
|
bool Engine::install(MessageHandler* handler)
|
|
{
|
|
return s_self ? s_self->m_dispatcher.install(handler) : false;
|
|
}
|
|
|
|
bool Engine::uninstall(MessageHandler* handler)
|
|
{
|
|
return s_self ? s_self->m_dispatcher.uninstall(handler) : false;
|
|
}
|
|
|
|
bool Engine::enqueue(Message* msg, bool skipHooks)
|
|
{
|
|
if (!msg)
|
|
return false;
|
|
if (!skipHooks) {
|
|
Lock myLock(s_hooksMutex);
|
|
for (ObjList* o = s_hooks.skipNull();o;o = o->skipNext()) {
|
|
MessageHook* hook = static_cast<MessageHook*>(o->get());
|
|
if (!hook || !hook->matchesFilter(*msg))
|
|
continue;
|
|
RefPointer<MessageHook> rhook = hook;
|
|
myLock.drop();
|
|
rhook->enqueue(msg);
|
|
return true;
|
|
}
|
|
}
|
|
if (s_self && s_self->m_dispatcher.enqueue(msg)) {
|
|
Semaphore*s = s_semWorkers;
|
|
if (s)
|
|
s->unlock();
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool Engine::dispatch(Message* msg)
|
|
{
|
|
return (msg && s_self) ? s_self->m_dispatcher.dispatch(*msg) : false;
|
|
}
|
|
|
|
bool Engine::dispatch(Message& msg)
|
|
{
|
|
return s_self ? s_self->m_dispatcher.dispatch(msg) : false;
|
|
}
|
|
|
|
bool Engine::dispatch(const char* name, bool broadcast)
|
|
{
|
|
if (!(s_self && name && *name))
|
|
return false;
|
|
Message msg(name,0,broadcast);
|
|
if (nodeName())
|
|
msg.addParam("nodename",nodeName());
|
|
return s_self->m_dispatcher.dispatch(msg);
|
|
}
|
|
|
|
bool Engine::installHook(MessageHook* hook)
|
|
{
|
|
Lock myLock(s_hooksMutex);
|
|
if (!hook || s_hooks.find(hook))
|
|
return false;
|
|
s_hooks.append(hook);
|
|
return true;
|
|
}
|
|
|
|
void Engine::uninstallHook(MessageHook* hook)
|
|
{
|
|
if (!hook)
|
|
return;
|
|
Lock myLock(s_hooksMutex);
|
|
hook->clear();
|
|
s_hooks.remove(hook);
|
|
}
|
|
|
|
unsigned int Engine::runId()
|
|
{
|
|
return s_runid;
|
|
}
|
|
|
|
const ObjList* Engine::events(const String& type)
|
|
{
|
|
if (type.null())
|
|
return CapturedEvent::events().skipNull();
|
|
Lock mylock(s_eventsMutex);
|
|
const ObjList* list = static_cast<const EngineEventList*>(s_events[type]);
|
|
return list ? list->skipNull() : 0;
|
|
}
|
|
|
|
void Engine::clearEvents(const String& type)
|
|
{
|
|
Lock mylock(s_eventsMutex);
|
|
if (type.null())
|
|
CapturedEvent::eventsRw().clear();
|
|
else
|
|
s_events.remove(type);
|
|
}
|
|
|
|
SharedVars& Engine::sharedVars()
|
|
{
|
|
return *(s_vars.vars);
|
|
}
|
|
|
|
// Append command line arguments form current config.
|
|
void Engine::buildCmdLine(String& line)
|
|
{
|
|
String D;
|
|
switch (Debugger::getFormatting()) {
|
|
case Debugger::None: D << 'n'; break;
|
|
case Debugger::Absolute: D << 'e'; break;
|
|
case Debugger::Relative: D << 't'; break;
|
|
case Debugger::Textual: D << 'f'; break;
|
|
case Debugger::TextLocal: D << 'z'; break;
|
|
case Debugger::TextSep: D << 'F'; break;
|
|
case Debugger::TextLSep: D << 'Z'; break;
|
|
default:
|
|
Debug(DebugStub,"buildCmdLine() unhandled debugger formatting %d",
|
|
Debugger::getFormatting());
|
|
}
|
|
if (s_sigabrt)
|
|
D << 'a';
|
|
if (s_lateabrt)
|
|
D << 's';
|
|
if (Lockable::safety())
|
|
D << 'd';
|
|
if (D)
|
|
line.append("-D" + D," ");
|
|
int level = TelEngine::debugLevel();
|
|
if (level > DebugWarn)
|
|
line.append("-" + String('v',level - DebugWarn)," ");
|
|
else if (level < DebugWarn)
|
|
line.append("-" + String('q',DebugWarn - level)," ");
|
|
line.append("--starttime " + String(Debugger::getStartTimeSec())," ");
|
|
}
|
|
|
|
// Utility: retrieve next String in list, adjust the ObjList parameter
|
|
static inline bool nextString(String*& tmp, ObjList*& crt, String* add = 0,
|
|
const String& param = String::empty())
|
|
{
|
|
ObjList* next = crt->skipNext();
|
|
if (next) {
|
|
crt = next;
|
|
tmp = static_cast<String*>(crt->get());
|
|
return true;
|
|
}
|
|
if (add)
|
|
add->append(param," ");
|
|
return false;
|
|
}
|
|
|
|
// Initialize library from from command line arguments.
|
|
// Enable debugger output
|
|
void Engine::initLibrary(const String& line, String* output)
|
|
{
|
|
bool colorize = false;
|
|
Debugger::Formatting fmtTime = Debugger::TextLSep;
|
|
uint32_t ts = 0;
|
|
int level = TelEngine::debugLevel();
|
|
Lockable::startUsingNow();
|
|
// Check for options
|
|
ObjList* lst = line.split(' ',false);
|
|
String unkArgs;
|
|
String missingParams;
|
|
String* tmp = 0;
|
|
bool inopt = true;
|
|
for (ObjList* o = lst->skipNull(); o; o = o->skipNext()) {
|
|
#define ENGINE_SET_VAL_BREAK(check,dest,src) case check: dest = src; break
|
|
#define ENGINE_INSTR_BREAK(check,instr) case check: instr; break
|
|
String& param = *static_cast<String*>(o->get());
|
|
const char* pc = param;
|
|
if (!(inopt && (pc[0] == '-') && pc[1])) {
|
|
unkArgs.append(param," ");
|
|
continue;
|
|
}
|
|
while (pc && *++pc) {
|
|
switch (*pc) {
|
|
case '-':
|
|
if (!*++pc)
|
|
inopt = false;
|
|
else if (!::strcmp(pc,"starttime")) {
|
|
if (nextString(tmp,o,&missingParams,param))
|
|
ts = (uint32_t)tmp->toLong(0,0,0);
|
|
}
|
|
else
|
|
unkArgs.append(param," ");
|
|
pc = 0;
|
|
continue;
|
|
ENGINE_INSTR_BREAK('v',++level);
|
|
ENGINE_INSTR_BREAK('q',--level);
|
|
case 'D':
|
|
while (*++pc) {
|
|
switch (*pc) {
|
|
ENGINE_SET_VAL_BREAK('n',fmtTime,Debugger::None);
|
|
ENGINE_SET_VAL_BREAK('e',fmtTime,Debugger::Absolute);
|
|
ENGINE_SET_VAL_BREAK('t',fmtTime,Debugger::Relative);
|
|
ENGINE_SET_VAL_BREAK('f',fmtTime,Debugger::Textual);
|
|
ENGINE_SET_VAL_BREAK('z',fmtTime,Debugger::TextLocal);
|
|
ENGINE_SET_VAL_BREAK('F',fmtTime,Debugger::TextSep);
|
|
ENGINE_SET_VAL_BREAK('Z',fmtTime,Debugger::TextLSep);
|
|
ENGINE_SET_VAL_BREAK('o',colorize,true);
|
|
ENGINE_SET_VAL_BREAK('a',s_sigabrt,true);
|
|
ENGINE_SET_VAL_BREAK('s',s_lateabrt,true);
|
|
ENGINE_INSTR_BREAK('m',setLockableWait());
|
|
ENGINE_INSTR_BREAK('d',Lockable::enableSafety());
|
|
default:
|
|
unkArgs.append("-D" + String(*pc)," ");
|
|
}
|
|
}
|
|
pc = 0;
|
|
break;
|
|
default:
|
|
unkArgs.append(param," ");
|
|
pc = 0;
|
|
}
|
|
}
|
|
#undef ENGINE_SET_VAL_BREAK
|
|
#undef ENGINE_INSTR_BREAK
|
|
}
|
|
TelEngine::destruct(lst);
|
|
Thread::idleMsec(0);
|
|
abortOnBug(s_sigabrt);
|
|
TelEngine::debugLevel(level);
|
|
Debugger::setFormatting(fmtTime,ts);
|
|
Debugger::enableOutput(true,colorize);
|
|
if (output) {
|
|
if (unkArgs)
|
|
*output << "\r\nUnknown argument(s): " << unkArgs;
|
|
if (missingParams)
|
|
*output << "\r\nMissing parameter for argument(s): " << missingParams;
|
|
#ifdef DEBUG
|
|
*output << "\r\ncmdline=" << line;
|
|
*output << "\r\ndebuglevel=" << level;
|
|
*output << "\r\nfmtTime=" << fmtTime;
|
|
*output << "\r\nstart-time=" << ts;
|
|
*output << "\r\ncolorize=" << String::boolText(colorize);
|
|
*output << "\r\nsigabort=" << String::boolText(s_sigabrt);
|
|
*output << "\r\nlateabort=" << String::boolText(s_lateabrt);
|
|
*output << "\r\nlockable-wait=" << (uint64_t)Lockable::wait();
|
|
*output << "\r\nlockable-safety=" << String::boolText(Lockable::safety());
|
|
#endif
|
|
}
|
|
}
|
|
|
|
// Cleanup library. Set late abort, kill all threads
|
|
int Engine::cleanupLibrary()
|
|
{
|
|
// We are occasionally doing things that can cause crashes so don't abort
|
|
abortOnBug(s_sigabrt && s_lateabrt);
|
|
Thread::killall();
|
|
int mux = Mutex::locks();
|
|
if (mux < 0)
|
|
mux = 0;
|
|
if (mux)
|
|
Debug(DebugCrit,"Exiting with %d locked mutexes!",mux);
|
|
if (GenObject::getObjCounting()) {
|
|
String str;
|
|
int obj = EngineStatusHandler::objects(str);
|
|
if (str)
|
|
Debug(DebugNote,"Exiting with %d allocated objects: %s",obj,str.c_str());
|
|
}
|
|
return s_haltcode & 0xff;
|
|
}
|
|
|
|
static void usage(bool client, FILE* f)
|
|
{
|
|
::fprintf(f,
|
|
"Usage: yate [options] [commands ...]\n"
|
|
" -h, --help Display help message (this one) and exit\n"
|
|
" -V, --version Display program version and exit\n"
|
|
" -v Verbose logging (you can use more than once)\n"
|
|
" -q Quieter logging (you can use more than once)\n"
|
|
"%s"
|
|
" -p filename Write PID to file\n"
|
|
" -l filename Log to file\n"
|
|
" -n configname Use specified configuration name (%s)\n"
|
|
" -e pathname Path to shared files directory (" SHR_PATH ")\n"
|
|
" -c pathname Path to conf files directory (" CFG_PATH ")\n"
|
|
" -u pathname Path to user files directory (%s)\n"
|
|
" -m pathname Path to modules directory (" MOD_PATH ")\n"
|
|
" -x dirpath Absolute or relative path to extra modules directory (can be repeated)\n"
|
|
" -w directory Change working directory\n"
|
|
" -N nodename Set the name of this node in a cluster\n"
|
|
" -A cpus Set affinity from comma separated list of CPUs (e.g 1-4,7,8)\n"
|
|
#ifdef RLIMIT_CORE
|
|
" -C Enable core dumps if possible\n"
|
|
#endif
|
|
#ifdef RLIMIT_NOFILE
|
|
" -F Increase the maximum file handle to compiled value\n"
|
|
#endif
|
|
" -t Truncate log file, don't append to it\n"
|
|
" -D[options] Special debugging options\n"
|
|
" a Abort if bugs are encountered\n"
|
|
" m Attempt to debug mutex deadlocks\n"
|
|
" d Enable locking debugging and safety features\n"
|
|
#ifdef RTLD_GLOBAL
|
|
" l Try to keep module symbols local\n"
|
|
#endif
|
|
" c Call dlclose() until it gets an error\n"
|
|
" u Do not unload modules on exit, just finalize\n"
|
|
" i Reinitialize after 1st initialization\n"
|
|
" x Exit immediately after initialization\n"
|
|
" w Delay creation of 1st worker thread\n"
|
|
" o Colorize output using ANSI codes\n"
|
|
" s Abort on bugs even during shutdown\n"
|
|
" O Attempt to debug object allocations\n"
|
|
" n Do not timestamp debugging messages\n"
|
|
" t Timestamp debugging messages relative to program start\n"
|
|
" e Timestamp debugging messages based on EPOCH (1-1-1970 GMT)\n"
|
|
" f Timestamp debugging in GMT format YYYYMMDDhhmmss.uuuuuu\n"
|
|
" F Timestamp debugging in GMT format YYYY-MM-DD_hh:mm:ss.uuuuuu\n"
|
|
" z Timestamp debugging in local timezone YYYYMMDDhhmmss.uuuuuu\n"
|
|
" Z Timestamp debugging in local timezone YYYY-MM-DD_hh:mm:ss.uuuuuu\n"
|
|
,client ? "" :
|
|
#ifdef _WINDOWS
|
|
" --service Run as Windows service\n"
|
|
" --install Install the Windows service\n"
|
|
" --remove Remove the Windows service\n"
|
|
#else
|
|
" -d Daemonify, suppress output unless logged\n"
|
|
" -s[=msec] Supervised, restart if crashes or locks up, optionally sleeps initially\n"
|
|
" -r Enable rotation of log file (needs -s and -l)\n"
|
|
" -S sanity Set size of supervised sanity points pool\n"
|
|
#endif
|
|
,s_cfgfile.safe()
|
|
,s_usrpath.safe());
|
|
}
|
|
|
|
static void badopt(bool client, char chr, const char* opt)
|
|
{
|
|
if (chr)
|
|
::fprintf(stderr,"Invalid character '%c' in option '%s'\n",chr,opt);
|
|
else
|
|
::fprintf(stderr,"Invalid option '%s'\n",opt);
|
|
usage(client,stderr);
|
|
}
|
|
|
|
static void noarg(bool client, const char* opt)
|
|
{
|
|
::fprintf(stderr,"Missing parameter to option '%s'\n",opt);
|
|
usage(client,stderr);
|
|
}
|
|
|
|
static void version()
|
|
{
|
|
::fprintf(stdout,"Yate " YATE_VERSION " " YATE_STATUS YATE_RELEASE " r" YATE_REVISION "\n");
|
|
}
|
|
|
|
int Engine::main(int argc, const char** argv, const char** env, RunMode mode, EngineLoop loop, bool fail)
|
|
{
|
|
#ifdef _WINDOWS
|
|
int service = 0;
|
|
#else
|
|
bool daemonic = false;
|
|
int supervised = 0;
|
|
#endif
|
|
bool client = (mode == Client);
|
|
Debugger::Formatting tstamp = Debugger::TextLSep;
|
|
bool colorize = false;
|
|
const char* pidfile = 0;
|
|
const char* workdir = 0;
|
|
const char* usrpath = 0;
|
|
int debug_level = debugLevel();
|
|
|
|
Lockable::startUsingNow();
|
|
|
|
const char* cfgfile = ::strrchr(argv[0],'/');
|
|
if (!cfgfile)
|
|
cfgfile = ::strrchr(argv[0],'\\');
|
|
if (cfgfile)
|
|
cfgfile++;
|
|
|
|
if (!cfgfile)
|
|
cfgfile = argv[0][0] ? argv[0] : "yate";
|
|
initCfgFile(cfgfile);
|
|
|
|
int i;
|
|
bool inopt = true;
|
|
for (i=1;i<argc;i++) {
|
|
const char *pc = argv[i];
|
|
if (inopt && (pc[0] == '-') && pc[1]) {
|
|
// skip over Mac OS X process serial number
|
|
if (!::strncmp(pc,"-psn_",5))
|
|
continue;
|
|
while (pc && *++pc) {
|
|
const char* param = 0;
|
|
|
|
#define GET_PARAM \
|
|
if ('=' == pc[1]) param = pc + 2; \
|
|
else if (i+1 < argc) param = argv[++i]; \
|
|
else { noarg(client,argv[i]); return ENOENT; } \
|
|
pc = 0
|
|
|
|
switch (*pc) {
|
|
case '-':
|
|
if (!*++pc) {
|
|
inopt=false;
|
|
pc=0;
|
|
continue;
|
|
}
|
|
if (!::strcmp(pc,"help")) {
|
|
s_mode = mode;
|
|
initUsrPath(s_usrpath);
|
|
usage(client,stdout);
|
|
return 0;
|
|
}
|
|
else if (!::strcmp(pc,"version")) {
|
|
version();
|
|
return 0;
|
|
}
|
|
#ifdef _WINDOWS
|
|
else if (!(client ||::strcmp(pc,"service"))) {
|
|
service |= YSERV_RUN;
|
|
pc = 0;
|
|
continue;
|
|
}
|
|
else if (!(client || ::strcmp(pc,"install"))) {
|
|
service |= YSERV_INS;
|
|
pc = 0;
|
|
continue;
|
|
}
|
|
else if (!(client || ::strcmp(pc,"remove"))) {
|
|
service |= YSERV_DEL;
|
|
pc = 0;
|
|
continue;
|
|
}
|
|
#endif
|
|
initUsrPath(s_usrpath);
|
|
badopt(client,0,argv[i]);
|
|
return EINVAL;
|
|
break;
|
|
case 'h':
|
|
s_mode = mode;
|
|
initUsrPath(s_usrpath);
|
|
usage(client,stdout);
|
|
return 0;
|
|
case 'v':
|
|
debug_level++;
|
|
break;
|
|
case 'q':
|
|
debug_level--;
|
|
break;
|
|
#ifndef _WINDOWS
|
|
case 'd':
|
|
daemonic = true;
|
|
break;
|
|
case 's':
|
|
supervised = -1;
|
|
if ('=' == pc[1]) {
|
|
long int ms = ::strtol(pc+2,0,0);
|
|
if (ms > INITDELAY_MAX)
|
|
supervised = INITDELAY_MAX;
|
|
else if (ms > 0)
|
|
supervised = ms;
|
|
pc = 0;
|
|
}
|
|
break;
|
|
case 'r':
|
|
s_logrotator = true;
|
|
break;
|
|
case 'S':
|
|
GET_PARAM;
|
|
s_max_sanity = ::strtol(param,0,0);
|
|
if (s_max_sanity <= 0)
|
|
s_max_sanity = MAX_SANITY;
|
|
else if (s_max_sanity < MIN_SANITY)
|
|
s_max_sanity = MIN_SANITY;
|
|
else if (s_max_sanity > INIT_SANITY)
|
|
s_max_sanity = INIT_SANITY;
|
|
break;
|
|
#endif
|
|
case 't':
|
|
s_logtruncate = true;
|
|
break;
|
|
case 'p':
|
|
GET_PARAM;
|
|
pidfile = param;
|
|
break;
|
|
case 'l':
|
|
GET_PARAM;
|
|
s_logfile = param;
|
|
break;
|
|
case 'n':
|
|
GET_PARAM;
|
|
cfgfile = param;
|
|
break;
|
|
case 'e':
|
|
GET_PARAM;
|
|
s_shrpath = param;
|
|
break;
|
|
case 'c':
|
|
GET_PARAM;
|
|
s_cfgpath = param;
|
|
break;
|
|
case 'u':
|
|
GET_PARAM;
|
|
usrpath = param;
|
|
break;
|
|
case 'm':
|
|
GET_PARAM;
|
|
s_modpath = param;
|
|
break;
|
|
case 'w':
|
|
GET_PARAM;
|
|
workdir = param;
|
|
break;
|
|
case 'x':
|
|
GET_PARAM;
|
|
extraPath(param);
|
|
break;
|
|
case 'N':
|
|
GET_PARAM;
|
|
s_node = param;
|
|
break;
|
|
case 'A':
|
|
GET_PARAM;
|
|
s_affinity = param;
|
|
break;
|
|
#ifdef RLIMIT_CORE
|
|
case 'C':
|
|
s_coredump = true;
|
|
break;
|
|
#endif
|
|
#ifdef RLIMIT_NOFILE
|
|
case 'F':
|
|
s_numfiles = true;
|
|
break;
|
|
#endif
|
|
case 'D':
|
|
while (*++pc) {
|
|
switch (*pc) {
|
|
case 'a':
|
|
s_sigabrt = true;
|
|
break;
|
|
case 's':
|
|
s_lateabrt = true;
|
|
break;
|
|
case 'm':
|
|
setLockableWait();
|
|
break;
|
|
case 'd':
|
|
Lockable::enableSafety();
|
|
break;
|
|
#ifdef RTLD_GLOBAL
|
|
case 'l':
|
|
s_localsymbol = true;
|
|
break;
|
|
#endif
|
|
case 'c':
|
|
s_keepclosing = true;
|
|
break;
|
|
case 'u':
|
|
s_nounload = true;
|
|
break;
|
|
case 'i':
|
|
s_init = true;
|
|
break;
|
|
case 'x':
|
|
s_exit++;
|
|
break;
|
|
case 'w':
|
|
s_makeworker = false;
|
|
break;
|
|
case 'o':
|
|
colorize = true;
|
|
break;
|
|
case 'O':
|
|
GenObject::setObjCounting(true);
|
|
break;
|
|
case 'n':
|
|
tstamp = Debugger::None;
|
|
break;
|
|
case 'e':
|
|
tstamp = Debugger::Absolute;
|
|
break;
|
|
case 't':
|
|
tstamp = Debugger::Relative;
|
|
break;
|
|
case 'f':
|
|
tstamp = Debugger::Textual;
|
|
break;
|
|
case 'z':
|
|
tstamp = Debugger::TextLocal;
|
|
break;
|
|
case 'F':
|
|
tstamp = Debugger::TextSep;
|
|
break;
|
|
case 'Z':
|
|
tstamp = Debugger::TextLSep;
|
|
break;
|
|
default:
|
|
initUsrPath(s_usrpath);
|
|
badopt(client,*pc,argv[i]);
|
|
return EINVAL;
|
|
}
|
|
}
|
|
pc = 0;
|
|
break;
|
|
case 'V':
|
|
version();
|
|
return 0;
|
|
default:
|
|
initUsrPath(s_usrpath);
|
|
badopt(client,*pc,argv[i]);
|
|
return EINVAL;
|
|
}
|
|
|
|
#undef GET_PARAM
|
|
|
|
}
|
|
}
|
|
else {
|
|
if (!s_cmds)
|
|
s_cmds = new ObjList;
|
|
s_cmds->append(new String(argv[i]));
|
|
}
|
|
}
|
|
|
|
if (fail)
|
|
return EINVAL;
|
|
|
|
s_mode = mode;
|
|
|
|
initCfgFile(cfgfile);
|
|
initUsrPath(s_usrpath,usrpath);
|
|
|
|
if (workdir && ::chdir(workdir)) {
|
|
int err = errno;
|
|
::fprintf(stderr,"Could not change working directory to '%s': %s (%d)\n",
|
|
workdir,::strerror(err),err);
|
|
return err;
|
|
}
|
|
|
|
if (s_engineCheck && !s_engineCheck->check(s_cmds))
|
|
return s_haltcode;
|
|
|
|
#ifdef _WINDOWS
|
|
if ((mode == Server) && !service)
|
|
service = YSERV_RUN;
|
|
|
|
if (service & YSERV_DEL) {
|
|
if (service & (YSERV_RUN|YSERV_INS)) {
|
|
::fprintf(stderr,"Option --remove prohibits --install and --service\n");
|
|
return EINVAL;
|
|
}
|
|
SC_HANDLE sc = OpenSCManager(0,0,SC_MANAGER_ALL_ACCESS);
|
|
if (!sc) {
|
|
::fprintf(stderr,"Could not open Service Manager, code %u\n",::GetLastError());
|
|
return EPERM;
|
|
}
|
|
SC_HANDLE sv = OpenService(sc,"yate",DELETE|SERVICE_STOP);
|
|
if (sv) {
|
|
ControlService(sv,SERVICE_CONTROL_STOP,0);
|
|
if (!DeleteService(sv)) {
|
|
DWORD err = ::GetLastError();
|
|
if (err != ERROR_SERVICE_MARKED_FOR_DELETE)
|
|
::fprintf(stderr,"Could not delete Service, code %u\n",err);
|
|
}
|
|
CloseServiceHandle(sv);
|
|
}
|
|
else {
|
|
DWORD err = ::GetLastError();
|
|
if (err != ERROR_SERVICE_DOES_NOT_EXIST)
|
|
::fprintf(stderr,"Could not open Service, code %u\n",err);
|
|
}
|
|
CloseServiceHandle(sc);
|
|
return 0;
|
|
}
|
|
if (service & YSERV_INS) {
|
|
char buf[1024];
|
|
if (!GetModuleFileName(0,buf,sizeof(buf))) {
|
|
::fprintf(stderr,"Could not find my own executable file, code %u\n",::GetLastError());
|
|
return EINVAL;
|
|
}
|
|
String s(buf);
|
|
if (mode != Server)
|
|
s << " --service";
|
|
if (workdir)
|
|
s << " -w \"" << workdir << "\"";
|
|
|
|
SC_HANDLE sc = OpenSCManager(0,0,SC_MANAGER_ALL_ACCESS);
|
|
if (!sc) {
|
|
::fprintf(stderr,"Could not open Service Manager, code %u\n",::GetLastError());
|
|
return EPERM;
|
|
}
|
|
SC_HANDLE sv = CreateService(sc,"yate","Yet Another Telephony Engine",GENERIC_EXECUTE,
|
|
SERVICE_WIN32_OWN_PROCESS,SERVICE_DEMAND_START,SERVICE_ERROR_NORMAL,
|
|
s.c_str(),0,0,0,0,0);
|
|
if (sv)
|
|
CloseServiceHandle(sv);
|
|
else
|
|
::fprintf(stderr,"Could not create Service, code %u\n",::GetLastError());
|
|
CloseServiceHandle(sc);
|
|
if (!(service & YSERV_RUN))
|
|
return 0;
|
|
}
|
|
#else
|
|
if (client && (daemonic || supervised)) {
|
|
::fprintf(stderr,"Options -d and -s not supported in client mode\n");
|
|
return EINVAL;
|
|
}
|
|
if (colorize && s_logfile) {
|
|
::fprintf(stderr,"Option -Do not supported when logging to file\n");
|
|
return EINVAL;
|
|
}
|
|
if (s_logrotator && !(supervised && s_logfile)) {
|
|
::fprintf(stderr,"Option -r needs supervisor and logging to file\n");
|
|
return EINVAL;
|
|
}
|
|
Debugger::enableOutput(true,colorize);
|
|
if (daemonic) {
|
|
Debugger::enableOutput(false);
|
|
// Make sure X client modules fail initialization in daemon mode
|
|
::unsetenv("DISPLAY");
|
|
if (::daemon(1,0) == -1) {
|
|
int err = errno;
|
|
::fprintf(stderr,"Daemonification failed: %s (%d)\n",::strerror(err),err);
|
|
return err;
|
|
}
|
|
s_interactive = false;
|
|
}
|
|
#endif
|
|
|
|
if (pidfile) {
|
|
int fd = ::open(pidfile,O_WRONLY|O_CREAT,0644);
|
|
if (fd >= 0) {
|
|
char pid[32];
|
|
::snprintf(pid,sizeof(pid),"%u\n",::getpid());
|
|
YIGNORE(::write(fd,pid,::strlen(pid)));
|
|
::close(fd);
|
|
}
|
|
}
|
|
|
|
#ifdef _WINDOWS
|
|
if (!service)
|
|
#endif
|
|
logFileOpen();
|
|
|
|
debugLevel(debug_level);
|
|
abortOnBug(s_sigabrt);
|
|
|
|
#ifdef RLIMIT_CORE
|
|
while (s_coredump) {
|
|
#ifdef HAVE_PRCTL
|
|
#ifdef PR_SET_DUMPABLE
|
|
prctl(PR_SET_DUMPABLE,1,0,0,0);
|
|
#endif
|
|
#endif
|
|
struct rlimit lim;
|
|
if (!::getrlimit(RLIMIT_CORE,&lim)) {
|
|
errno = 0;
|
|
lim.rlim_cur = lim.rlim_max;
|
|
// if limit is zero but user is root set limit to infinity
|
|
if (!(lim.rlim_cur || ::getuid()))
|
|
lim.rlim_cur = lim.rlim_max = RLIM_INFINITY;
|
|
if (lim.rlim_cur && !::setrlimit(RLIMIT_CORE,&lim))
|
|
break;
|
|
}
|
|
Debug(DebugWarn,"Could not enable core dumps: %s (%d)",
|
|
errno ? strerror(errno) : "hard limit",errno);
|
|
break;
|
|
}
|
|
#endif
|
|
#ifdef RLIMIT_NOFILE
|
|
while (s_numfiles) {
|
|
struct rlimit lim;
|
|
if (!::getrlimit(RLIMIT_NOFILE,&lim)) {
|
|
errno = 0;
|
|
if (lim.rlim_cur >= FDSIZE_HACK)
|
|
break;
|
|
lim.rlim_cur = FDSIZE_HACK;
|
|
if (lim.rlim_max < FDSIZE_HACK)
|
|
lim.rlim_max = FDSIZE_HACK;
|
|
if (!::setrlimit(RLIMIT_NOFILE,&lim))
|
|
break;
|
|
}
|
|
Debug(DebugWarn,"Could not increase max file handle: %s (%d)",
|
|
errno ? strerror(errno) : "hard limit",errno);
|
|
break;
|
|
}
|
|
#endif
|
|
|
|
if (s_affinity) {
|
|
int err = Thread::setCurrentAffinity(s_affinity);
|
|
if (err) {
|
|
Debug(DebugWarn,"Failed to set affinity to '%s', error=%s(%d)",s_affinity.c_str(),strerror(err),err);
|
|
s_affinity.clear();
|
|
}
|
|
}
|
|
int retcode = -1;
|
|
#ifndef _WINDOWS
|
|
if (supervised)
|
|
retcode = supervise(supervised);
|
|
else
|
|
s_childpid = ::getpid();
|
|
if (retcode >= 0)
|
|
return retcode;
|
|
#endif
|
|
|
|
Debugger::setFormatting(tstamp);
|
|
|
|
#ifdef _WINDOWS
|
|
if (service) {
|
|
s_interactive = false;
|
|
retcode = ::StartServiceCtrlDispatcher(dispatchTable) ? 0 : ::GetLastError();
|
|
}
|
|
else
|
|
#endif
|
|
retcode = engineRun(loop);
|
|
|
|
return retcode;
|
|
}
|
|
|
|
void Engine::help(bool client, bool errout)
|
|
{
|
|
initUsrPath(s_usrpath);
|
|
usage(client, errout ? stderr : stdout);
|
|
}
|
|
|
|
/* vi: set ts=8 sw=4 sts=4 noet: */
|