1138 lines
27 KiB
C++
1138 lines
27 KiB
C++
/**
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* rmanager.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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* This module gets the messages from YATE out so anyone can use an
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* administrating interface.
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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) 2004-2006 Null Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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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. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include <yatengine.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <errno.h>
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#include <string.h>
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#include <stdio.h>
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#include <fcntl.h>
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#ifdef HAVE_COREDUMPER
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#include <google/coredumper.h>
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#endif
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using namespace TelEngine;
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namespace { // anonymous
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typedef struct {
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const char* name;
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const char* args;
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const char** more;
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const char* desc;
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} CommandInfo;
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static const char* s_bools[] =
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{
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"on",
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"off",
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"enable",
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"disable",
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"true",
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"false",
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0
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};
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static const char* s_level[] =
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{
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"level",
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"on",
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"off",
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"enable",
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"disable",
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"true",
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"false",
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0
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};
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static const char* s_oview[] =
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{
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"overview",
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0
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};
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static const char* s_dall[] =
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{
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"all",
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0
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};
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static const char* s_rnow[] =
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{
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"now",
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0
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};
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static const CommandInfo s_cmdInfo[] =
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{
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{ "quit", 0, 0, "Disconnect this control session from Yate" },
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{ "help", "[command]", 0, "Provide help on all or given command" },
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{ "status", "[overview] [modulename]", s_oview, "Shows status of all or selected modules or channels" },
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{ "uptime", 0, 0, "Show information on how long Yate has run" },
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{ "machine", "[on|off]", s_bools, "Show or turn machine output mode on or off" },
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{ "output", "[on|off]", s_bools, "Show or turn local output on or off" },
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{ "color", "[on|off]", s_bools, "Show status or turn local colorization on or off" },
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{ "auth", "password", 0, "Authenticate so you can access priviledged commands" },
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{ "debug", "[module] [level|on|off]", s_level, "Show or change debugging level globally or per module" },
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#ifdef HAVE_COREDUMPER
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{ "coredump", "[filename]", 0, "Dumps memory image of running Yate to a file" },
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#endif
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{ "drop", "{chan|*|all}", s_dall, "Drops one or all active calls" },
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{ "call", "chan target", 0, "Execute an outgoing call" },
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{ "reload", 0, 0, "Reloads module configuration files" },
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{ "restart", "[now]", s_rnow, "Restarts the engine if executing supervised" },
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{ "stop", "[exitcode]", 0, "Stops the engine with optionally provided exit code" },
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{ 0, 0, 0, 0 }
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};
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static void completeWords(String& str, const char** list, const char* partial = 0)
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{
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if (!list)
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return;
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for (; *list; list++) {
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String tmp = *list;
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if (null(partial) || tmp.startsWith(partial))
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str.append(tmp,"\t");
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}
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}
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static Configuration s_cfg;
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static bool s_output = false;
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/* I need this here because i'm gonna use it in both classes */
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Socket s_sock;
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Mutex s_mutex(true);
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//we gonna create here the list with all the new connections.
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static ObjList connectionlist;
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class RManagerThread : public Thread
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{
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public:
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RManagerThread() : Thread("RManager Listener") { }
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virtual void run();
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private:
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};
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class Connection : public GenObject, public Thread
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{
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public:
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Connection(Socket* sock, const char* addr);
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~Connection();
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virtual void run();
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bool processTelnetChar(unsigned char c);
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bool processChar(unsigned char c);
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bool processLine(const char *line);
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bool autoComplete();
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void errorBeep();
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void clearLine();
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void writeStr(const char *str, int len = -1);
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void writeDebug(const char *str, int level);
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void writeStr(const Message &msg, bool received);
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inline void writeStr(const String &s)
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{ writeStr(s.safe(),s.length()); }
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inline const String& address() const
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{ return m_address; }
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static Connection *checkCreate(Socket* sock, const char* addr = 0);
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private:
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bool m_auth;
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bool m_debug;
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bool m_output;
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bool m_colorize;
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bool m_machine;
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Socket* m_socket;
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unsigned char m_lastch;
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unsigned char m_escmode;
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bool m_echoing;
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bool m_beeping;
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String m_buffer;
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String m_address;
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String m_lastcmd;
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};
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class RManager : public Plugin
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{
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public:
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RManager();
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~RManager();
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virtual void initialize();
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virtual bool isBusy() const;
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private:
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bool m_first;
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};
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class RHook : public MessagePostHook
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{
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public:
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virtual void dispatched(const Message& msg, bool handled);
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};
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static void dbg_remote_func(const char *buf, int level)
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{
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s_mutex.lock();
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ObjList *p = &connectionlist;
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for (; p; p=p->next()) {
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Connection *con = static_cast<Connection *>(p->get());
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if (con)
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con->writeDebug(buf,level);
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}
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s_mutex.unlock();
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}
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void RManagerThread::run()
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{
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for (;;)
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{
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Thread::msleep(10,true);
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SocketAddr sa;
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Socket* as = s_sock.accept(sa);
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if (!as) {
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if (!s_sock.canRetry())
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Debug("RManager",DebugWarn, "Accept error: %s", strerror(s_sock.error()));
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continue;
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} else {
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String addr(sa.host());
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addr << ":" << sa.port();
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if (!Connection::checkCreate(as,addr))
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Debug("RManager",DebugWarn,"Connection rejected for %s",addr.c_str());
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}
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}
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}
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Connection *Connection::checkCreate(Socket* sock, const char* addr)
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{
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if (!sock)
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return 0;
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if (!sock->valid()) {
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delete sock;
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return 0;
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}
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// should check IP address here
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Connection *conn = new Connection(sock,addr);
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if (conn->error()) {
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conn->destruct();
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return 0;
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}
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conn->startup();
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return conn;
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}
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Connection::Connection(Socket* sock, const char* addr)
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: Thread("RManager Connection"),
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m_auth(false), m_debug(false), m_output(s_output), m_colorize(false), m_machine(false),
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m_socket(sock), m_lastch(0), m_escmode(0), m_echoing(false), m_beeping(false),
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m_address(addr)
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{
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s_mutex.lock();
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connectionlist.append(this);
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s_mutex.unlock();
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}
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Connection::~Connection()
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{
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m_debug = false;
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m_output = false;
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s_mutex.lock();
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connectionlist.remove(this,false);
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s_mutex.unlock();
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Output("Closing connection to %s",m_address.c_str());
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delete m_socket;
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m_socket = 0;
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}
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void Connection::run()
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{
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if (!m_socket)
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return;
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if (!m_socket->setBlocking(false)) {
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Debug("RManager",DebugGoOn, "Failed to set tcp socket to nonblocking mode: %s",strerror(m_socket->error()));
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return;
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}
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// For the sake of responsiveness try to turn off the tcp assembly timer
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int arg = 1;
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if (s_cfg.getBoolValue("general","interactive",false) &&
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!m_socket->setOption(SOL_SOCKET, TCP_NODELAY, &arg, sizeof(arg)))
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Debug("RManager",DebugMild, "Failed to set tcp socket to TCP_NODELAY mode: %s", strerror(m_socket->error()));
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Output("Remote connection from %s",m_address.c_str());
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m_auth = !s_cfg.getValue("general","password");
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const char *hdr = s_cfg.getValue("general","header","YATE (http://YATE.null.ro) ready.");
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if (hdr) {
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writeStr(hdr);
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writeStr("\r\n");
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hdr = 0;
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}
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if (s_cfg.getBoolValue("general","telnet",true)) {
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// WILL SUPPRESS GO AHEAD, WILL ECHO - and enough BS and blanks to hide them
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writeStr("\377\373\003\377\373\001\b\b\b\b\b\b \b\b\b\b\b\b");
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}
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unsigned char buffer[128];
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for (;;) {
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Thread::check();
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bool readok = false;
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bool error = false;
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if (m_socket->select(&readok,0,&error,10000)) {
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// rearm the error beep
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m_beeping = false;
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if (error) {
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Debug("RManager",DebugInfo,"Socket exception condition on %d",m_socket->handle());
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return;
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}
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if (!readok)
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continue;
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int readsize = m_socket->readData(buffer,sizeof(buffer));
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if (!readsize) {
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Debug("RManager",DebugInfo,"Socket condition EOF on %d",m_socket->handle());
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return;
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}
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else if (readsize > 0) {
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for (int i = 0; i < readsize; i++)
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if (processTelnetChar(buffer[i]))
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return;
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}
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else if (!m_socket->canRetry()) {
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Debug("RManager",DebugWarn,"Socket read error %d on %d",errno,m_socket->handle());
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return;
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}
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}
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else if (!m_socket->canRetry()) {
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Debug("RManager",DebugWarn,"socket select error %d on %d",errno,m_socket->handle());
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return;
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}
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}
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}
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// generates a beep - just one per processed buffer
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void Connection::errorBeep()
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{
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if (m_beeping)
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return;
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m_beeping = true;
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writeStr("\a");
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}
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// clears the current line to end
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void Connection::clearLine()
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{
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writeStr("\r\033[K\r");
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}
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// process incoming telnet characters
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bool Connection::processTelnetChar(unsigned char c)
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{
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XDebug("RManager",DebugInfo,"char=0x%02X '%s%c'",
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c,(c >= ' ') ? "" : "^", (c >= ' ') ? c : c+0x40);
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if (m_lastch == 255) {
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m_lastch = 0;
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switch (c) {
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case 241: // NOP
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return false;
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case 243: // BREAK
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c = 0x1C;
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break;
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case 244: // IP
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c = 0x03;
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break;
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case 247: // EC
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c = 0x08;
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break;
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case 248: // EL
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c = 0x15;
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break;
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case 251: // WILL
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case 252: // WON'T
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case 253: // DO
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case 254: // DON'T
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m_lastch = c;
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return false;
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case 255: // IAC
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break;
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default:
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Debug("RManager",DebugMild,"Unsupported telnet command %u (0x%02X)",c,c);
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return false;
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}
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}
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else if (m_lastch) {
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DDebug("RManager",DebugMild,"Command %u param %u",m_lastch,c);
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switch (m_lastch) {
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case 251: // WILL
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switch (c) {
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case 1: // ECHO
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m_echoing = false;
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writeStr("\377\374\001"); // WON'T ECHO
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break;
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}
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case 252: // WON'T
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break;
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case 253: // DO
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switch (c) {
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case 1: // ECHO
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m_echoing = true;
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writeStr("\377\373\001"); // WILL ECHO
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break;
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case 3: // SUPPRESS GO AHEAD
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writeStr("\377\373\003"); // WILL SUPPRESS GO AHEAD
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break;
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case 18: // LOGOUT
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writeStr("\377\373\022"); // WILL LOGOUT
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return true;
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default:
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writeStr("\377\374"); // WON'T ...
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writeStr((const char*)&c,1);
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break;
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}
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break;
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case 254: // DON'T
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switch (c) {
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case 1:
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m_echoing = false;
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writeStr("\377\374\001"); // WON'T ECHO
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break;
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}
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break;
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}
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m_lastch = 0;
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return false;
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}
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else if (c == 255) {
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m_lastch = c;
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return false;
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}
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return processChar(c);
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}
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// process incoming terminal characters
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bool Connection::processChar(unsigned char c)
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{
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switch (c) {
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case '\0':
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m_escmode = 0;
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return false;
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case 0x1B: // ESC
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m_escmode = c;
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return false;
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case '\r':
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case '\n':
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m_escmode = 0;
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if (m_buffer.null())
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return false;
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if (m_echoing)
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writeStr("\r\n");
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if (processLine(m_buffer))
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return true;
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m_buffer.clear();
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return false;
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case 0x03: // ^C, BREAK
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m_escmode = 0;
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writeStr("^C\r\n");
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return true;
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case 0x04: // ^D, UNIX EOF
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m_escmode = 0;
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if (m_buffer) {
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errorBeep();
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return false;
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}
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return processLine("quit");
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case 0x1C: // ^backslash
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if (m_buffer)
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break;
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return processLine("reload");
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case 0x05: // ^E
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m_escmode = 0;
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m_echoing = !m_echoing;
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return false;
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case 0x0C: // ^L
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if (!m_echoing)
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break;
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writeStr("\033[H\033[2J");
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writeStr(m_buffer);
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return false;
|
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case 0x12: // ^R
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if (!m_echoing)
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break;
|
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clearLine();
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writeStr(m_buffer);
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return false;
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case 0x15: // ^U
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if (m_buffer.null())
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break;
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m_escmode = 0;
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m_buffer.clear();
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if (m_echoing)
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clearLine();
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return false;
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case 0x17: // ^W
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if (m_buffer.null())
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errorBeep();
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else {
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int i = m_buffer.length()-1;
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for (; i > 0; i--)
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if (m_buffer[i] != ' ')
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break;
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for (; i > 0; i--)
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if (m_buffer[i] == ' ') {
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i++;
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break;
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}
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m_escmode = 0;
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m_buffer.assign(m_buffer,i);
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if (m_echoing) {
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clearLine();
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writeStr(m_buffer);
|
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}
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}
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return false;
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case 0x7F: // DEL
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case 0x08: // ^H, BACKSPACE
|
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if (m_buffer.null()) {
|
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errorBeep();
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return false;
|
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}
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m_escmode = 0;
|
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m_buffer.assign(m_buffer,m_buffer.length()-1);
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if (m_echoing)
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writeStr("\b \b");
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return false;
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case 0x09: // ^I, TAB
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m_escmode = 0;
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if (m_buffer.null())
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return processLine("help");
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if (!autoComplete())
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errorBeep();
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return false;
|
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}
|
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if (m_escmode) {
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switch (c) {
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case '[':
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case '0':
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case '1':
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case '2':
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case '3':
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case '4':
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case '5':
|
|
case '6':
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case '7':
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case '8':
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case '9':
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case ';':
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case 'O':
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m_escmode = c;
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return false;
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}
|
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unsigned char last = m_escmode;
|
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m_escmode = 0;
|
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DDebug("RManager",DebugInfo,"ANSI '%s%c' last '%s%c'",
|
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(c >= ' ') ? "" : "^", (c >= ' ') ? c : c+0x40,
|
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(last >= ' ') ? "" : "^", (last >= ' ') ? last : last+0x40
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);
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switch (c) {
|
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case 'A': // Up arrow
|
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case 'B': // Down arrow
|
|
if (m_lastcmd.null()) {
|
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errorBeep();
|
|
return false;
|
|
}
|
|
else {
|
|
String str = m_lastcmd;
|
|
if (m_buffer)
|
|
m_lastcmd = m_buffer;
|
|
m_buffer = str;
|
|
}
|
|
clearLine();
|
|
writeStr(m_buffer);
|
|
return false;
|
|
}
|
|
c = 0;
|
|
}
|
|
if (c < ' ') {
|
|
errorBeep();
|
|
return false;
|
|
}
|
|
if (m_echoing && (c == ' ')) {
|
|
if (m_buffer.null() || m_buffer.endsWith(" ")) {
|
|
errorBeep();
|
|
return false;
|
|
}
|
|
}
|
|
m_buffer += (char)c;
|
|
if (m_echoing)
|
|
writeStr((char*)&c,1);
|
|
return false;
|
|
}
|
|
|
|
// perform auto-completion of partial line
|
|
bool Connection::autoComplete()
|
|
{
|
|
DDebug("RManager",DebugInfo,"autoComplete = '%s'",m_buffer.c_str());
|
|
Message m("engine.command");
|
|
m.addParam("partial",m_buffer);
|
|
String partLine;
|
|
String partWord;
|
|
int keepLen = m_buffer.length();
|
|
// find start and end of word
|
|
int i = keepLen-1;
|
|
if (m_buffer[i] == ' ') {
|
|
// we are at start of new word
|
|
partLine = m_buffer;
|
|
partLine.trimBlanks();
|
|
if (partLine == "?")
|
|
partLine = "help";
|
|
const CommandInfo* info = s_cmdInfo;
|
|
bool help = (partLine == "help");
|
|
for (; info->name; info++) {
|
|
if (help)
|
|
m.retValue().append(info->name,"\t");
|
|
else if (partLine == info->name) {
|
|
completeWords(m.retValue(),info->more);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
// we are completing a started word
|
|
for (; i >= 0; i--) {
|
|
if (m_buffer[i] == ' ')
|
|
break;
|
|
}
|
|
i++;
|
|
keepLen = i;
|
|
partLine = m_buffer.substr(0,i);
|
|
partWord = m_buffer.substr(i);
|
|
partLine.trimBlanks();
|
|
if (partLine == "?")
|
|
partLine = "help";
|
|
else if (partLine.null() && (partWord == "?"))
|
|
partWord = "help";
|
|
if (partLine.null()) {
|
|
m.addParam("complete","command");
|
|
const CommandInfo* info = s_cmdInfo;
|
|
for (; info->name; info++) {
|
|
String cmd = info->name;
|
|
if (cmd.startsWith(partWord))
|
|
m.retValue().append(cmd,"\t");
|
|
}
|
|
}
|
|
else {
|
|
const CommandInfo* info = s_cmdInfo;
|
|
bool help = (partLine == "help");
|
|
if (help)
|
|
m.addParam("complete","command");
|
|
for (; info->name; info++) {
|
|
if (help) {
|
|
String arg = info->name;
|
|
if (arg.startsWith(partWord))
|
|
m.retValue().append(arg,"\t");
|
|
}
|
|
else if (partLine == info->name) {
|
|
completeWords(m.retValue(),info->more,partWord);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (partLine) {
|
|
if (partLine == "status overview")
|
|
partLine = "status";
|
|
m.addParam("partline",partLine);
|
|
}
|
|
if (partWord)
|
|
m.addParam("partword",partWord);
|
|
if ((partLine == "status") || (partLine == "debug") || (partLine == "drop"))
|
|
m.setParam("complete","channels");
|
|
Regexp r("^debug [^ ]\\+$");
|
|
if (r.matches(partLine))
|
|
completeWords(m.retValue(),s_level,partWord);
|
|
Engine::dispatch(m);
|
|
if (m.retValue().null())
|
|
return false;
|
|
if (m.retValue().find('\t') < 0) {
|
|
m_buffer = m_buffer.substr(0,keepLen)+m.retValue()+" ";
|
|
clearLine();
|
|
writeStr(m_buffer);
|
|
return true;
|
|
}
|
|
// more options returned - list them and display the prompt again
|
|
writeStr("\r\n");
|
|
writeStr(m.retValue());
|
|
bool first = true;
|
|
String maxMatch;
|
|
ObjList* l = m.retValue().split('\t');
|
|
for (ObjList* p = l; p; p = p->next()) {
|
|
String* s = static_cast<String*>(p->get());
|
|
if (!s)
|
|
continue;
|
|
if (first) {
|
|
first = false;
|
|
maxMatch = *s;
|
|
}
|
|
else {
|
|
while (maxMatch && !s->startsWith(maxMatch)) {
|
|
maxMatch.assign(maxMatch,maxMatch.length()-1);
|
|
}
|
|
}
|
|
}
|
|
TelEngine::destruct(l);
|
|
m_buffer += maxMatch.substr(partWord.length());
|
|
writeStr("\r\n");
|
|
writeStr(m_buffer);
|
|
return true;
|
|
}
|
|
|
|
// execute received input line
|
|
bool Connection::processLine(const char *line)
|
|
{
|
|
DDebug("RManager",DebugInfo,"processLine = '%s'",line);
|
|
String str(line);
|
|
str.trimBlanks();
|
|
|
|
m_lastcmd = str;
|
|
|
|
if (str.startSkip("status"))
|
|
{
|
|
Message m("engine.status");
|
|
if (str.startSkip("overview"))
|
|
m.addParam("details",String::boolText(false));
|
|
if (str.null() || (str == "rmanager"))
|
|
m.retValue() << "name=rmanager,type=misc;conn=" << connectionlist.count() << "\r\n";
|
|
if (!str.null()) {
|
|
m.addParam("module",str);
|
|
str = ":" + str;
|
|
}
|
|
Engine::dispatch(m);
|
|
str = "%%+status" + str + "\r\n";
|
|
str << m.retValue() << "%%-status\r\n";
|
|
writeStr(str);
|
|
return false;
|
|
}
|
|
else if (str.startSkip("machine"))
|
|
{
|
|
str >> m_machine;
|
|
str = "Machine mode: ";
|
|
str += (m_machine ? "on\r\n" : "off\r\n");
|
|
writeStr(str);
|
|
return false;
|
|
}
|
|
else if (str.startSkip("output"))
|
|
{
|
|
str >> m_output;
|
|
str = "Output mode: ";
|
|
str += (m_output ? "on\r\n" : "off\r\n");
|
|
writeStr(str);
|
|
return false;
|
|
}
|
|
else if (str.startSkip("color"))
|
|
{
|
|
str >> m_colorize;
|
|
str = "Colorized output: ";
|
|
str += (m_colorize ? "yes\r\n" : "no\r\n");
|
|
writeStr(str);
|
|
return false;
|
|
}
|
|
else if (str.startSkip("uptime"))
|
|
{
|
|
str.clear();
|
|
u_int32_t t = SysUsage::secRunTime();
|
|
if (m_machine) {
|
|
str << "%%=uptime:" << (unsigned int)t;
|
|
(str << ":").append(SysUsage::runTime(SysUsage::UserTime));
|
|
(str << ":").append(SysUsage::runTime(SysUsage::KernelTime));
|
|
}
|
|
else {
|
|
char buf[64];
|
|
::sprintf(buf,"%u:%02u:%02u (%u)",t / 3600,(t / 60) % 60,t % 60,t);
|
|
str << "Uptime: " << buf;
|
|
(str << " user: ").append(SysUsage::runTime(SysUsage::UserTime));
|
|
(str << " kernel: ").append(SysUsage::runTime(SysUsage::KernelTime));
|
|
}
|
|
str << "\r\n";
|
|
writeStr(str);
|
|
return false;
|
|
}
|
|
else if (str.startSkip("quit"))
|
|
{
|
|
writeStr(m_machine ? "%%=quit\r\n" : "Goodbye!\r\n");
|
|
return true;
|
|
}
|
|
else if (str.startSkip("help") || str.startSkip("?"))
|
|
{
|
|
Message m("engine.help");
|
|
if (str)
|
|
{
|
|
const CommandInfo* info = s_cmdInfo;
|
|
for (; info->name; info++) {
|
|
if (str == info->name) {
|
|
str = " ";
|
|
str << info->name;
|
|
if (info->args)
|
|
str << " " << info->args;
|
|
str << "\r\n" << info->desc << "\r\n";
|
|
writeStr(str);
|
|
return false;
|
|
}
|
|
}
|
|
m.addParam("line",str);
|
|
if (Engine::dispatch(m))
|
|
writeStr(m.retValue());
|
|
else
|
|
writeStr("No help for '"+str+"'\r\n");
|
|
}
|
|
else
|
|
{
|
|
m.retValue() = "Available commands:\r\n";
|
|
const CommandInfo* info = s_cmdInfo;
|
|
for (; info->name; info++) {
|
|
m.retValue() << " " << info->name;
|
|
if (info->args)
|
|
m.retValue() << " " << info->args;
|
|
m.retValue() << "\r\n";
|
|
}
|
|
Engine::dispatch(m);
|
|
writeStr(m.retValue());
|
|
}
|
|
return false;
|
|
}
|
|
else if (str.startSkip("auth"))
|
|
{
|
|
if (m_auth) {
|
|
writeStr(m_machine ? "%%=auth:success\r\n" : "You are already authenticated!\r\n");
|
|
return false;
|
|
}
|
|
if (str == s_cfg.getValue("general","password")) {
|
|
Output("Authenticated connection %s",m_address.c_str());
|
|
m_auth = true;
|
|
writeStr(m_machine ? "%%=auth:success\r\n" : "Authenticated successfully!\r\n");
|
|
}
|
|
else
|
|
writeStr(m_machine ? "%%=auth:fail=badpass\r\n" : "Bad authentication password!\r\n");
|
|
return false;
|
|
}
|
|
if (!m_auth) {
|
|
writeStr(m_machine ? "%%=*:fail=noauth\r\n" : "Not authenticated!\r\n");
|
|
return false;
|
|
}
|
|
if (str.startSkip("drop"))
|
|
{
|
|
if (str.null()) {
|
|
writeStr(m_machine ? "%%=drop:fail=noarg\r\n" : "You must specify what connection to drop!\r\n");
|
|
return false;
|
|
}
|
|
Message m("call.drop");
|
|
bool all = false;
|
|
if (str == "*" || str == "all") {
|
|
all = true;
|
|
str = "all calls";
|
|
}
|
|
else
|
|
m.addParam("id",str);
|
|
if (Engine::dispatch(m))
|
|
str = (m_machine ? "%%=drop:success:" : "Dropped ") + str + "\r\n";
|
|
else if (all)
|
|
str = (m_machine ? "%%=drop:unknown:" : "Tried to drop ") + str + "\r\n";
|
|
else
|
|
str = (m_machine ? "%%=drop:fail:" : "Could not drop ") + str + "\r\n";
|
|
writeStr(str);
|
|
}
|
|
else if (str.startSkip("call"))
|
|
{
|
|
int pos = str.find(' ');
|
|
if (pos <= 0) {
|
|
writeStr(m_machine ? "%%=call:fail=noarg\r\n" : "You must specify source and target!\r\n");
|
|
return false;
|
|
}
|
|
String target = str.substr(pos+1);
|
|
Message m("call.execute");
|
|
m.addParam("callto",str.substr(0,pos));
|
|
m.addParam((target.find('/') > 0) ? "direct" : "target",target);
|
|
|
|
if (Engine::dispatch(m)) {
|
|
String id(m.getValue("id"));
|
|
if (m_machine)
|
|
str = "%%=call:success:" + id + ":" + str + "\r\n";
|
|
else
|
|
str = "Calling '" + id + "' " + str + "\r\n";
|
|
}
|
|
else
|
|
str = (m_machine ? "%%=call:fail:" : "Could not call ") + str + "\r\n";
|
|
writeStr(str);
|
|
}
|
|
else if (str.startSkip("debug"))
|
|
{
|
|
if (str.startSkip("level")) {
|
|
int dbg = debugLevel();
|
|
str >> dbg;
|
|
dbg = debugLevel(dbg);
|
|
}
|
|
else if (str.isBoolean()) {
|
|
str >> m_debug;
|
|
if (m_debug)
|
|
Debugger::enableOutput(true);
|
|
}
|
|
else if (str) {
|
|
String l;
|
|
int pos = str.find(' ');
|
|
if (pos > 0) {
|
|
l = str.substr(pos+1);
|
|
str = str.substr(0,pos);
|
|
str.trimBlanks();
|
|
}
|
|
if (str.null()) {
|
|
writeStr(m_machine ? "%%=debug:fail=noarg\r\n" : "You must specify debug module name!\r\n");
|
|
return false;
|
|
}
|
|
Message m("engine.debug");
|
|
m.addParam("module",str);
|
|
if (l)
|
|
m.addParam("line",l);
|
|
if (Engine::dispatch(m))
|
|
writeStr(m.retValue());
|
|
else
|
|
writeStr((m_machine ? "%%=debug:fail:" : "Cannot set debug: ") + str + " " + l + "\r\n");
|
|
return false;
|
|
}
|
|
if (m_machine) {
|
|
str = "%%=debug:level=";
|
|
str << debugLevel() << ":local=" << m_debug << "\r\n";
|
|
}
|
|
else {
|
|
str = "Debug level: ";
|
|
str << debugLevel() << " local: " << (m_debug ? "on\r\n" : "off\r\n");
|
|
}
|
|
writeStr(str);
|
|
}
|
|
#ifdef HAVE_COREDUMPER
|
|
else if (str.startSkip("coredump"))
|
|
{
|
|
if (str.null())
|
|
(str << "core.yate-" << ::getpid() << "-").append(SysUsage::runTime());
|
|
s_mutex.lock();
|
|
int err = 0;
|
|
for (int i = 0; i < 4; i++) {
|
|
if (!WriteCoreDump(str)) {
|
|
err = 0;
|
|
break;
|
|
}
|
|
err = errno;
|
|
switch (err) {
|
|
case EINTR:
|
|
case EAGAIN:
|
|
case ECHILD:
|
|
continue;
|
|
}
|
|
break;
|
|
}
|
|
if (err) {
|
|
str = "Failed to dump core: ";
|
|
str << ::strerror(err) << " (" << err << ")\r\n";
|
|
}
|
|
else
|
|
str = "Dumped core to: " + str + "\r\n";
|
|
s_mutex.unlock();
|
|
writeStr(str);
|
|
}
|
|
#endif
|
|
else if (str.startSkip("reload"))
|
|
{
|
|
writeStr(m_machine ? "%%=reload\r\n" : "Reinitializing...\r\n");
|
|
Engine::init();
|
|
}
|
|
else if (str.startSkip("restart"))
|
|
{
|
|
bool gracefull = (str != "now");
|
|
bool ok = Engine::restart(0,gracefull);
|
|
if (ok) {
|
|
if (m_machine) {
|
|
writeStr("%%=restart\r\n");
|
|
return gracefull;
|
|
}
|
|
writeStr(gracefull ? "Restart scheduled - please disconnect\r\n" : "Engine restarting - bye!\r\n");
|
|
}
|
|
else
|
|
writeStr(m_machine ? "%%=restart:fail\r\n" : "Cannot restart - no supervisor or already shutting down\r\n");
|
|
}
|
|
else if (str.startSkip("stop"))
|
|
{
|
|
unsigned code = 0;
|
|
str >> code;
|
|
code &= 0xff;
|
|
writeStr(m_machine ? "%%=shutdown\r\n" : "Engine shutting down - bye!\r\n");
|
|
Engine::halt(code);
|
|
}
|
|
else
|
|
{
|
|
Message m("engine.command");
|
|
m.addParam("line",str);
|
|
if (Engine::dispatch(m))
|
|
writeStr(m.retValue());
|
|
else
|
|
writeStr((m_machine ? "%%=syntax:" : "Cannot understand: ") + str + "\r\n");
|
|
}
|
|
return false;
|
|
}
|
|
|
|
// dump encoded messages after processing, only in machine mode
|
|
void Connection::writeStr(const Message &msg, bool received)
|
|
{
|
|
if (!m_machine)
|
|
return;
|
|
String s = msg.encode(received,"");
|
|
s << "\r\n";
|
|
writeStr(s.c_str());
|
|
}
|
|
|
|
// write debugging messages to the remote console
|
|
void Connection::writeDebug(const char *str, int level)
|
|
{
|
|
if (null(str))
|
|
return;
|
|
if (m_debug || (m_output && (level < 0))) {
|
|
const char* col = m_colorize ? debugColor(level) : 0;
|
|
if (col)
|
|
writeStr(col,::strlen(col));
|
|
int len = ::strlen(str);
|
|
for (; len > 0; len--) {
|
|
if ((unsigned char)str[len-1] >= ' ')
|
|
break;
|
|
}
|
|
writeStr(str,len);
|
|
writeStr("\r\n",2);
|
|
if (col)
|
|
col = debugColor(-2);
|
|
if (col)
|
|
writeStr(col,::strlen(col));
|
|
}
|
|
}
|
|
|
|
// write arbitrary string to the remote console
|
|
void Connection::writeStr(const char *str, int len)
|
|
{
|
|
if (len < 0)
|
|
len = ::strlen(str);
|
|
else if (len == 0)
|
|
return;
|
|
if (int written = m_socket->writeData(str,len) != len) {
|
|
Debug("RManager",DebugInfo,"Socket %d wrote only %d out of %d bytes",m_socket->handle(),written,len);
|
|
// Destroy the thread, will kill the connection
|
|
cancel();
|
|
}
|
|
}
|
|
|
|
|
|
void RHook::dispatched(const Message& msg, bool handled)
|
|
{
|
|
s_mutex.lock();
|
|
ObjList *p = &connectionlist;
|
|
for (; p; p=p->next()) {
|
|
Connection *con = static_cast<Connection *>(p->get());
|
|
if (con)
|
|
con->writeStr(msg,handled);
|
|
}
|
|
s_mutex.unlock();
|
|
};
|
|
|
|
|
|
RManager::RManager()
|
|
: m_first(true)
|
|
{
|
|
Output("Loaded module RManager");
|
|
Debugger::setIntOut(dbg_remote_func);
|
|
}
|
|
|
|
RManager::~RManager()
|
|
{
|
|
Output("Unloading module RManager");
|
|
s_sock.terminate();
|
|
Debugger::setIntOut(0);
|
|
}
|
|
|
|
bool RManager::isBusy() const
|
|
{
|
|
return (connectionlist.count() != 0);
|
|
}
|
|
|
|
void RManager::initialize()
|
|
{
|
|
Output("Initializing module RManager");
|
|
s_cfg = Engine::configFile("rmanager");
|
|
s_cfg.load();
|
|
s_output = s_cfg.getBoolValue("general","output",false);
|
|
|
|
if (s_sock.valid())
|
|
return;
|
|
|
|
// check configuration
|
|
int port = s_cfg.getIntValue("general","port",5038);
|
|
const char *host = c_safe(s_cfg.getValue("general","addr","127.0.0.1"));
|
|
if (!(port && *host))
|
|
return;
|
|
|
|
s_sock.create(AF_INET, SOCK_STREAM);
|
|
if (!s_sock.valid()) {
|
|
Debug("RManager",DebugGoOn,"Unable to create the listening socket: %s",strerror(s_sock.error()));
|
|
return;
|
|
}
|
|
|
|
if (!s_sock.setBlocking(false)) {
|
|
Debug("RManager",DebugGoOn, "Failed to set listener to nonblocking mode: %s",strerror(s_sock.error()));
|
|
return;
|
|
}
|
|
|
|
const int reuseFlag = 1;
|
|
s_sock.setOption(SOL_SOCKET,SO_REUSEADDR,&reuseFlag,sizeof(reuseFlag));
|
|
|
|
SocketAddr sa(AF_INET);
|
|
sa.host(host);
|
|
sa.port(port);
|
|
s_sock.setReuse();
|
|
if (!s_sock.bind(sa)) {
|
|
Debug("RManager",DebugGoOn,"Failed to bind to %s:%u : %s",sa.host().c_str(),sa.port(),strerror(s_sock.error()));
|
|
s_sock.terminate();
|
|
return;
|
|
}
|
|
if (!s_sock.listen(2)) {
|
|
Debug("RManager",DebugGoOn,"Unable to listen on socket: %s", strerror(s_sock.error()));
|
|
s_sock.terminate();
|
|
return;
|
|
}
|
|
|
|
// don't bother to install handlers until we are listening
|
|
if (m_first) {
|
|
m_first = false;
|
|
Engine::self()->setHook(new RHook);
|
|
RManagerThread *mt = new RManagerThread;
|
|
mt->startup();
|
|
}
|
|
}
|
|
|
|
INIT_PLUGIN(RManager);
|
|
|
|
}; // anonymous namespace
|
|
|
|
/* vi: set ts=8 sw=4 sts=4 noet: */
|