Added support for CPU loading notification, and engine call congestion level update, based on CPU loading.
git-svn-id: http://yate.null.ro/svn/yate/trunk@3905 acf43c95-373e-0410-b603-e72c3f656dc1
This commit is contained in:
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@ -0,0 +1,21 @@
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; This file is used by the ccongestion module
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[cpu]
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; This section keeps the settings for CPU load
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; Each parameter needs to match this type:
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; monitor=interval_name,threshold_value,hysteresis_value;.....
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; Where :
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; monitor - String: Represents the CPU monitor for the given interval. Can be one of the following :
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; -systemLoad: The system CPU load
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; -totalLoad: Overall Yate CPU load
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; -userLoad: Yate user-space CPU load
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; -kernelLoad: Yate kernel-space CPU load
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; interval_name : string: The name of the interval. Four values: accept, partial, congestion, reject.
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; threshold_value: int: The upper value of the interval.
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; hysteresis_value: int.
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; Examples:
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; systemLoad=accept,50,4;partial,65,2;congestion,80,2;reject
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; totalLoad=accept,40,4;partial,50,2;congestion,70,2;reject
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; kernelLoad=accept,25,4;partial,35,2;congestion,60,2;reject
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; userLoad=accept,25,4;partial,35,2;congestion,60,2;reject
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@ -0,0 +1,84 @@
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; NOTE this file is used to setup CPU load information's
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; The cpuload module inform YATE about system total CPU load and YATE CPU load
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;[general]
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; This section keeps the settings for system and Yate.
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; interval: int: The interval in milliseconds for CPU load check.
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; Note: Minimum value is 1s.
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; Default value 1s
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; interval=1000
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; oscillate_interval : int: Time in milliseconds that stop this module from notifying about CPU load,
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; if the CPU load is oscillating between consecutive intervals
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; NOTE! oscillate_interval value should be at least 2 * interval
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; oscillate_interval=5000
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; core_number: integer: The number of CPU cores
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; NOTE! Yate will detect the number of cores from "/proc/stat". If the file does not exists you should
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; set the core number to avoid that yate CPU load to be bigger than 100%
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; core_number=1
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; smooth : integer between 5 and 50 : Value used to smooth the CPU loading.
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; smooth = 33
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;The following sections represent the CPU load managers.
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; NOTE!!! Each parameter form the following sections need to match this type:
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; target_name=interval_name,threshold_value,hysteresis_value;......
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; target_name: string: The name if the target.
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; interval_name : string: The name of the interval.
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; threshold_value: int: The upper value of the interval.
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; hysteresis_value: int.
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; Examples: engine=accept,50,4;partial,65,2;congestion,80,2;reject
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; The target is "engine";
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; Interval names: all, partial,congestion,none;
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; Threshold value: 50, 65, 80
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; from this results two sets of intervals:
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; one when the CPU load is growing :
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; accept = 0-54
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; partial = 54 - 67
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; congestion = 67 - 82
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; reject = 82 - 100
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; two when CPU load is lowering
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; accept = 0-46
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; partial = 46 - 63
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; congestion = 63 - 78
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; reject = 78 - 100
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; NOTE! : Parameters can be appended with chan.control message and with rmanager command
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; Example: rmanager
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; "control cpuload section target_name=interval_name,threshold_value,hysteresis_value;......"
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; where "section" represents one from the sections above
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; Example: chan.control
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; Message* m = new Message("chan.control");
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; m->addParam("targetid","cpuload");
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; m->addParam("component","cpuload");
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; m->addParam("operation",monitor); // One of the following : kernelLoad,userLoad,totalLoad,systemLoad
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; m->addParam("engine","interval_name,threshold_value,hysteresis_value;...... ");
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; Engine::enqueue(m); // Engine::dispatch(m);
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; NOTE! : Target "engine" is reserved for engine call accept. If you want to modify engine monitors
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; or intervals please do it form manager.conf
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;[kernelLoad]
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; YATE CPU kernel-space load settings
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;[userLoad]
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; YATE CPU user-space load settings
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;[totalLoad]
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; YATE CPU load settings
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;[systemLoad]
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; System CPU load settings
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@ -198,6 +198,7 @@ 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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int Engine::s_haltcode = -1;
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int EnginePrivate::count = 0;
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@ -210,6 +211,14 @@ static Engine::PluginMode s_loadMode = Engine::LoadFail;
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static int s_maxworkers = 10;
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static bool s_debug = true;
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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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@ -324,6 +333,7 @@ bool EngineStatusHandler::received(Message &msg)
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msg.retValue() << ",locks=" << Mutex::locks();
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msg.retValue() << ",semaphores=" << Semaphore::count();
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msg.retValue() << ",waiting=" << Semaphore::locks();
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msg.retValue() << ",acceptcalls=" << lookup(Engine::accept(),Engine::getCallAcceptStates());
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msg.retValue() << "\r\n";
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return false;
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}
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@ -59,7 +59,7 @@ PROGS := cdrbuild.yate cdrfile.yate regexroute.yate \
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server/pbxassist.yate server/dbpbx.yate server/lateroute.yate \
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server/park.yate server/queues.yate server/queuesnotify.yate \
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server/regfile.yate server/accfile.yate server/register.yate \
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server/callcounters.yate \
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server/callcounters.yate server/cpuload.yate server/ccongestion.yate \
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server/dbwave.yate \
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server/yradius.yate \
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server/ysnmpagent.yate \
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@ -0,0 +1,177 @@
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/**
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* ccongestion.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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* Update call accept engine status from installed engine's monitors
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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) 2004-2010 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 <yatephone.h>
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using namespace TelEngine;
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namespace { // anonymous
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class CpuNotify : public MessageHandler
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{
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public:
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inline CpuNotify()
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: MessageHandler("monitor.notify") {}
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virtual bool received(Message& m);
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};
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class Monitor : public String
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{
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public:
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inline Monitor (const String& name)
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: String(name),m_value(0) {}
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inline void update(int value)
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{ m_value = value; }
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inline int getValue()
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{ return m_value; }
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private:
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int m_value;
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};
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/*
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NOTE!!! This module use YATE engine behavior. It expects that first engine worker thread
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is created after all modules has been initialized
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NOTE: when this module is initialized, from the conf file are created
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chan.control messages that are enqueued and delivered to cpuload module when
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the first engine worker thread is created.
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*/
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class CongestionModule : public Module
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{
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public:
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CongestionModule();
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~CongestionModule();
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virtual void initialize();
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// Update a monitor state. If monitor does not exists, it will be appended
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void updateMonitor(const String& name, const String& step);
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// Find worst state and update engine's state
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void updateEngine();
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private:
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bool m_init;
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ObjList m_monitors;
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Mutex m_monitorsBlocker;
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};
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static CongestionModule s_module;
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static const String s_target = "engine";
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static const char* s_mutexName = "CCongestion";
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/**
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* class CpuNotify
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*/
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bool CpuNotify::received(Message& msg)
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{
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int count = msg.getIntValue("count",0);
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NamedList params("");
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String param = "notify.";
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String paramValue = "value.";
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for (int i = 0; i < count; i++) {
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String notif = msg.getValue(param + String(i),"");
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String value = msg.getValue(paramValue + String(i),"");
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if (notif == "target" && value != s_target)
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return false;
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params.addParam(notif,value);
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}
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s_module.updateMonitor(params.getValue("monitor"),params.getValue("new"));
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s_module.updateEngine();
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return true;
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}
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/**
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* Class CongestionModule
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*/
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CongestionModule::CongestionModule()
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: Module("CongestionModule","misc"), m_init(false), m_monitorsBlocker(false,s_mutexName)
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{
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Output("Loaded module CCongestion");
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}
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CongestionModule::~CongestionModule()
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{
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Output("Unloading module CCongestion");
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}
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void CongestionModule::initialize()
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{
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Output("Initializing module CCongestion");
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Configuration cfg(Engine::configFile("ccongestion"));
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if (!m_init) {
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m_init = true;
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Engine::install(new CpuNotify());
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}
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m_monitorsBlocker.lock();
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m_monitors.clear();
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m_monitorsBlocker.unlock();
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NamedList* cpu = cfg.getSection("cpu");
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if (cpu) {
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for (unsigned int i = 0;i < cpu->count();i++) {
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NamedString* ns = cpu->getParam(i);
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if (!ns)
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continue;
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Message* m = new Message("chan.control");
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m->addParam("targetid","cpuload");
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m->addParam("component","cpuload");
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m->addParam("operation",ns->name());
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m->addParam("engine",*ns);
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Engine::enqueue(m);
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}
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}
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}
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void CongestionModule::updateMonitor(const String& name, const String& value)
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{
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int val = lookup(value,Engine::getCallAcceptStates(),Engine::Accept);
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Lock lock(m_monitorsBlocker);
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ObjList* o = m_monitors.find(name);
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if (o) {
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Monitor* mon = static_cast<Monitor*>(o->get());
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if (mon)
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mon->update(val);
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return;
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}
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Monitor* mon = new Monitor(name);
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mon->update(val);
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m_monitors.append(mon);
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}
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void CongestionModule::updateEngine()
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{
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Lock lock(m_monitorsBlocker);
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int val = 0;
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for (ObjList* o = m_monitors.skipNull();o;o = o->skipNext()) {
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Monitor* mon = static_cast<Monitor*>(o->get());
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if (!mon)
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continue;
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if (mon->getValue() > val)
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val = mon->getValue();
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}
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if (Engine::accept() == val)
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return;
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Engine::setAccept((Engine::CallAccept)val);
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DDebug(this,DebugInfo,"Updating cpu state to %s",lookup(val,Engine::getCallAcceptStates()));
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}
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}; // anonymous namespace
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/* vi: set ts=8 sw=4 sts=4 noet: */
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@ -0,0 +1,920 @@
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/**
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* cpuload.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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* Monitor CPU load and inform YATE about it
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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) 2004-2010 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
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
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* GNU General Public License for more details.
|
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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 <yatephone.h>
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#include <string.h>
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#include <unistd.h>
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using namespace TelEngine;
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namespace { // anonymous
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class Cpu
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{
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public:
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Cpu();
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// Default implementation updates system load from "/proc/stat"
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inline virtual int getSystemLoad()
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{
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Debug("CpuLoad",DebugStub,"System CPU load is not implemented"
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" for this OS");
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return -1;
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}
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// Updates yate CPU load information
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void updateYateLoad();
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// Set the number of cores.
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inline void setCore(int core)
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{ m_coreNumber = core; m_cpuDiscovered = false; }
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inline int getYateLoad()
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{ return (m_loadY + 50)/ 100; }
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inline int getYateUserLoad()
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{ return (m_loadYU + 50) / 100; }
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inline int getYateKernelLoad()
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{ return (m_loadYS + 50) / 100; }
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inline int getSLoad()
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{ return (m_loadSystem + 50) / 100; }
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protected:
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u_int64_t m_yateUser; // Yate last time counter spend in user mode
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u_int64_t m_yateSystem; // Yate last time counter spent in kernel mode
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u_int64_t m_sysUser; // Last time value of system spent in user mode
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u_int64_t m_sysKer; // Last time value of system spent in kernel mode
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u_int64_t m_sysNice; // Last time value of system spent in nice mode
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int m_loadYU; // Current Yate user CPU loading
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int m_loadYS; // Current Yate kernel CPU loading
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int m_loadY; // Current Yate CPU loading
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int m_loadSystem; // Current System CPU loading
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int m_coreNumber; // The number of CPU cores
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u_int64_t m_lastYateCheck; // Last time when we checked for Yate CPU load
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u_int64_t m_lastSystemCheck; // Last time when we checked for System CPU load
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bool m_cpuDiscovered; // Flag used in CPU core discovery
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};
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#ifdef _SC_CLK_TCK
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class CpuStat : public Cpu
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{
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public:
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inline CpuStat() {}
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virtual int getSystemLoad();
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void close(File* f);
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};
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#endif
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// Platform depended System CPU loading
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class CpuPlatform : public Cpu
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{
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public:
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inline CpuPlatform() {}
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virtual int getSystemLoad();
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};
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class Interval : public String
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{
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public:
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Interval(const String& name, int up, int threshold, int down);
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bool hasValue(int value);
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inline int getThreshold()
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{ return m_threshold; }
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inline int getUp()
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{ return m_up; }
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inline int getDown()
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{ return m_down; }
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private:
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int m_up;
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int m_threshold;
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int m_down;
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};
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||||
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class Target : public String
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||||
{
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||||
public:
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||||
Target(const String& name, int osTimer, const String& monitor);
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virtual ~Target();
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||||
void updateIntervals(const String& curent);
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void handleOscillation(const String& interval,int load);
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Interval* getInterval(int load);
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void sendNotify(int load);
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bool neighbors();
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inline void addInterval(Interval* i, bool ascendent)
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{ ascendent ? m_ascendent.append(i) : m_descendent.append(i); }
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inline void startTimer()
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{ m_oscillationEnd = m_oscillationTimeout == 0 ?
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0 : Time::msecNow() + m_oscillationTimeout; }
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inline bool needInform()
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{ return Time::msecNow() >= m_oscillationEnd; }
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void manageLoad(int load);
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inline unsigned int getIntervalsCount()
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{ return m_ascendent.count(); }
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private:
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String m_currentInterval;
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||||
String m_previewsInterval;
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||||
String m_lastNotified;
|
||||
String m_monitor;
|
||||
ObjList m_ascendent;
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ObjList m_descendent;
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||||
u_int64_t m_oscillationEnd;
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||||
int m_oscillationTimeout;
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||||
int m_counter;
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||||
};
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||||
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||||
class CpuMonitor : public String
|
||||
{
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||||
public:
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||||
CpuMonitor(const String& name);
|
||||
virtual ~CpuMonitor();
|
||||
void initialize(const NamedList& params, int osTimer);
|
||||
void manageLoad(int load);
|
||||
bool addTarget(const NamedString& inc, int osTimer);
|
||||
inline void clearTargets()
|
||||
{ m_targets.clear(); }
|
||||
private:
|
||||
ObjList m_targets;
|
||||
bool m_informed;
|
||||
};
|
||||
|
||||
class CpuUpdater : public Thread, public Mutex
|
||||
{
|
||||
public:
|
||||
enum Monitors {
|
||||
YateUser,
|
||||
YateKernel,
|
||||
YateTotal,
|
||||
System,
|
||||
Unknown
|
||||
};
|
||||
CpuUpdater();
|
||||
virtual void run();
|
||||
void setCpu(Cpu* cpu);
|
||||
void initialize(const Configuration& params);
|
||||
inline void requestExit()
|
||||
{ m_exit = true; }
|
||||
bool update(const Message& msg);
|
||||
inline Cpu* getCpu()
|
||||
{ return m_cpu; }
|
||||
private:
|
||||
int m_updateInterval; // The interval to update CPU load
|
||||
int m_oscillationTimer; // Default value 5000
|
||||
int m_coreNumber;
|
||||
Cpu* m_cpu;
|
||||
bool m_exit;
|
||||
bool m_systemCpuSupport;
|
||||
CpuMonitor m_yateUser;
|
||||
CpuMonitor m_yateSys;
|
||||
CpuMonitor m_yateTotal;
|
||||
CpuMonitor m_system;
|
||||
};
|
||||
|
||||
class QueryHandler : public MessageHandler
|
||||
{
|
||||
public:
|
||||
inline QueryHandler(unsigned int priority = 100)
|
||||
: MessageHandler("monitor.query",priority)
|
||||
{ }
|
||||
virtual ~QueryHandler()
|
||||
{ }
|
||||
virtual bool received(Message& msg);
|
||||
};
|
||||
|
||||
|
||||
class CpuModule : public Module
|
||||
{
|
||||
public:
|
||||
CpuModule();
|
||||
~CpuModule();
|
||||
virtual void initialize();
|
||||
virtual bool received(Message& m, int id);
|
||||
inline CpuUpdater* getUpdater()
|
||||
{ return m_updater; }
|
||||
private:
|
||||
CpuUpdater* m_updater;
|
||||
bool m_init;
|
||||
};
|
||||
|
||||
static CpuModule s_module;
|
||||
static String s_address = "/proc/stat";
|
||||
static int s_defaultHysteresis = 2;
|
||||
static int s_bufLen = 4096;
|
||||
static int s_smooth = 33;
|
||||
|
||||
static TokenDict s_monitors[] = {
|
||||
{"userLoad", CpuUpdater::YateUser},
|
||||
{"kernelLoad", CpuUpdater::YateKernel},
|
||||
{"totalLoad", CpuUpdater::YateTotal},
|
||||
{"systemLoad", CpuUpdater::System},
|
||||
{0,0}
|
||||
};
|
||||
|
||||
/**
|
||||
* Class CpuUpdater
|
||||
*/
|
||||
|
||||
static String s_mutexName = "CpuMutex";
|
||||
|
||||
CpuUpdater::CpuUpdater()
|
||||
: Thread("CpuThread",Thread::Normal), Mutex(false,s_mutexName), m_updateInterval(1000),
|
||||
m_oscillationTimer(5000), m_coreNumber(1), m_cpu(0), m_exit(false), m_systemCpuSupport(true),
|
||||
m_yateUser(s_monitors[0].token), m_yateSys(s_monitors[1].token),
|
||||
m_yateTotal(s_monitors[2].token), m_system(s_monitors[3].token)
|
||||
{
|
||||
DDebug(&s_module,DebugAll,"Creating CpuUpdater thread");
|
||||
}
|
||||
|
||||
void CpuUpdater::run()
|
||||
{
|
||||
int time = 0;//m_updateInterval;
|
||||
while (!m_exit) {
|
||||
if (time < m_updateInterval) {
|
||||
Thread::msleep(50);
|
||||
time += 50;
|
||||
continue;
|
||||
}
|
||||
time = 0;
|
||||
Lock lock(this);
|
||||
m_cpu->updateYateLoad();
|
||||
m_yateUser.manageLoad(m_cpu->getYateUserLoad());
|
||||
m_yateSys.manageLoad(m_cpu->getYateKernelLoad());
|
||||
m_yateTotal.manageLoad(m_cpu->getYateLoad());
|
||||
if (!m_systemCpuSupport)
|
||||
continue;
|
||||
int sys = m_cpu->getSystemLoad();
|
||||
if (sys < 0) {
|
||||
Debug(&s_module,DebugNote,"System Cpu load not supported!");
|
||||
m_systemCpuSupport = false;
|
||||
continue;
|
||||
}
|
||||
m_system.manageLoad(sys);
|
||||
XDebug(&s_module,DebugAll,"YateLoading is : yu %d ; ys %d ; y %d ; s %d",
|
||||
m_cpu->getYateUserLoad(),m_cpu->getYateKernelLoad(),m_cpu->getYateLoad(),sys);
|
||||
}
|
||||
delete m_cpu;
|
||||
}
|
||||
|
||||
void CpuUpdater::setCpu(Cpu* cpu)
|
||||
{
|
||||
if (!cpu)
|
||||
return;
|
||||
m_cpu = cpu;
|
||||
m_cpu->setCore(m_coreNumber);
|
||||
}
|
||||
|
||||
// This method appends a target from chan.control message
|
||||
bool CpuUpdater::update(const Message& msg)
|
||||
{
|
||||
String mon = msg.getValue("operation","");
|
||||
NamedString* inc = 0;
|
||||
for (unsigned int i = 0;i < msg.count();i++) {
|
||||
NamedString* ns = msg.getParam(i);
|
||||
if (ns->name() == "operation" || ns->name() == "component" ||
|
||||
ns->name() == "targetid")
|
||||
continue;
|
||||
inc = ns;
|
||||
}
|
||||
if (!inc) {
|
||||
DDebug(&s_module,DebugNote,"No target parameter for monitor %s",mon.c_str());
|
||||
return false;
|
||||
}
|
||||
Lock lock(this);
|
||||
switch (lookup(mon,s_monitors,Unknown)) {
|
||||
case YateUser:
|
||||
return m_yateUser.addTarget(*inc,m_oscillationTimer);
|
||||
case YateKernel:
|
||||
return m_yateSys.addTarget(*inc,m_oscillationTimer);
|
||||
case YateTotal:
|
||||
return m_yateTotal.addTarget(*inc,m_oscillationTimer);
|
||||
case System:
|
||||
return m_system.addTarget(*inc,m_oscillationTimer);
|
||||
default:
|
||||
Debug(&s_module,DebugNote,"Unknown cpu monitor %s",mon.c_str());
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
void CpuUpdater::initialize(const Configuration& params)
|
||||
{
|
||||
NamedList* general = params.getSection("general");
|
||||
int osTimer = 0;
|
||||
if (general) {
|
||||
m_updateInterval = general->getIntValue("interval",1000);
|
||||
if (m_updateInterval < 1000) {
|
||||
Debug(&s_module,DebugConf,"Minimum value for interval is 1000!");
|
||||
m_updateInterval = 1000;
|
||||
}
|
||||
osTimer = general->getIntValue("oscillation_interval",5000);
|
||||
if (osTimer < 2 * m_updateInterval) {
|
||||
Debug(&s_module,DebugConf,"Oscillation interval is to small!");
|
||||
osTimer = 3 * m_updateInterval;
|
||||
}
|
||||
m_coreNumber = general->getIntValue("core_number",1);
|
||||
if (m_coreNumber < 1) {
|
||||
Debug(&s_module,DebugConf,"Core number must be at least 1!");
|
||||
m_coreNumber = 1;
|
||||
}
|
||||
if (m_cpu)
|
||||
m_cpu->setCore(m_coreNumber);
|
||||
}
|
||||
Lock lock(this);
|
||||
NamedList* yateu = params.getSection(s_monitors[0].token);
|
||||
m_yateUser.clearTargets();
|
||||
if (yateu)
|
||||
m_yateUser.initialize(*yateu,osTimer);
|
||||
NamedList* yates = params.getSection(s_monitors[1].token);
|
||||
m_yateSys.clearTargets();
|
||||
if (yates)
|
||||
m_yateSys.initialize(*yates,osTimer);
|
||||
NamedList* yatet = params.getSection(s_monitors[2].token);
|
||||
m_yateTotal.clearTargets();
|
||||
if (yatet)
|
||||
m_yateTotal.initialize(*yatet,osTimer);
|
||||
NamedList* sys = params.getSection(s_monitors[3].token);
|
||||
m_system.clearTargets();
|
||||
if (sys)
|
||||
m_system.initialize(*sys,osTimer);
|
||||
}
|
||||
|
||||
/**
|
||||
* Class Cpu
|
||||
*/
|
||||
|
||||
Cpu::Cpu()
|
||||
: m_yateUser(0), m_yateSystem(0), m_sysUser(0), m_sysKer(0), m_sysNice(0),
|
||||
m_loadYU(0), m_loadYS(0), m_loadY(0), m_coreNumber(1), m_lastYateCheck (0),
|
||||
m_lastSystemCheck(0), m_cpuDiscovered(false)
|
||||
{
|
||||
SysUsage::init();
|
||||
}
|
||||
|
||||
void Cpu::updateYateLoad()
|
||||
{
|
||||
u_int64_t user = SysUsage::msecRunTime(SysUsage::UserTime);
|
||||
u_int64_t ker = SysUsage::msecRunTime(SysUsage::KernelTime);
|
||||
u_int64_t time = SysUsage::msecRunTime(SysUsage::WallTime);
|
||||
bool updateLoad = true;
|
||||
if (user < m_yateUser || ker < m_yateSystem || time < m_lastYateCheck) {
|
||||
Debug(&s_module,DebugInfo,"Negative values for yate CPU update "
|
||||
"cu = "FMT64" lu="FMT64" ck="FMT64" lk="FMT64" ct="FMT64" lt="FMT64" ",
|
||||
user,m_yateUser,ker,m_yateSystem,time,m_lastYateCheck);
|
||||
updateLoad = false;
|
||||
}
|
||||
if (updateLoad && (m_yateUser != 0 || m_yateSystem != 0)) {
|
||||
int inter = time - m_lastYateCheck;
|
||||
int usr = user - m_yateUser;
|
||||
int iload = (usr * 100) / inter;
|
||||
iload /= m_coreNumber;
|
||||
m_loadYU = (100 - s_smooth) * m_loadYU/100 + s_smooth*iload;
|
||||
int ke = ker - m_yateSystem;
|
||||
iload = (ke * 100) / inter;
|
||||
iload /= m_coreNumber;
|
||||
m_loadYS = (100 - s_smooth) * m_loadYS/100 + s_smooth*iload;
|
||||
iload = ((usr + ke) * 100)/ inter;
|
||||
iload /= m_coreNumber;
|
||||
m_loadY = (100 - s_smooth) * m_loadY/100 + s_smooth*iload;
|
||||
}
|
||||
m_yateUser = user;
|
||||
m_yateSystem = ker;
|
||||
m_lastYateCheck = time;
|
||||
}
|
||||
|
||||
/**
|
||||
* Class Interval
|
||||
*
|
||||
*/
|
||||
|
||||
Interval::Interval(const String& name, int up, int threshold, int down)
|
||||
: String(name), m_up(up), m_threshold(threshold), m_down(down)
|
||||
{
|
||||
DDebug(&s_module,DebugAll,"Creating interval %s with low = %d and hight = %d",
|
||||
name.c_str(),down,up);
|
||||
}
|
||||
|
||||
bool Interval::hasValue(int value)
|
||||
{
|
||||
return value >= m_down && value <= m_up;
|
||||
}
|
||||
|
||||
/**
|
||||
* Class Target
|
||||
*/
|
||||
|
||||
Target::Target(const String& name, int osTimer, const String& monitor)
|
||||
: String(name), m_monitor(monitor), m_oscillationTimeout(osTimer), m_counter(0)
|
||||
{
|
||||
DDebug(&s_module,DebugAll,"Creating target '%s' for monitor '%s' [%p]",
|
||||
name.c_str(),monitor.c_str(),this);
|
||||
}
|
||||
|
||||
Target::~Target()
|
||||
{
|
||||
DDebug(&s_module,DebugAll,"Destroing target '%s' from monitor '%s' [%p]",
|
||||
c_str(),m_monitor.c_str(),this);
|
||||
m_ascendent.clear();
|
||||
m_descendent.clear();
|
||||
}
|
||||
|
||||
void Target::sendNotify(int load)
|
||||
{
|
||||
if (m_lastNotified == m_currentInterval)
|
||||
return;
|
||||
Message* m = new Message("monitor.notify");
|
||||
int index = 0;
|
||||
String n("notify.");
|
||||
String v("value.");
|
||||
m->addParam(n + String(index),"monitor");
|
||||
m->addParam(v + String(index++),m_monitor);
|
||||
m->addParam(n + String(index),"target");
|
||||
m->addParam(v + String(index++),*this);
|
||||
m->addParam(n + String(index),"old");
|
||||
m->addParam(v + String(index++),m_previewsInterval);
|
||||
m->addParam(n + String(index),"new");
|
||||
m->addParam(v + String(index++),m_currentInterval);
|
||||
m->addParam(n + String(index),"cpu_load");
|
||||
m->addParam(v + String(index++),String(load));
|
||||
m->addParam(n + String(index),"counter");
|
||||
m->addParam(v + String(index++),String(m_counter));
|
||||
m->addParam("count",String(index));
|
||||
Engine::enqueue(m);
|
||||
m_lastNotified = m_currentInterval;
|
||||
startTimer();
|
||||
m_counter = 0;
|
||||
}
|
||||
|
||||
void Target::handleOscillation(const String& interval,int load)
|
||||
{
|
||||
updateIntervals(interval);
|
||||
if (!needInform())
|
||||
return;
|
||||
sendNotify(load);
|
||||
}
|
||||
|
||||
Interval* Target::getInterval(int load)
|
||||
{
|
||||
m_counter++;
|
||||
Interval* i1 = 0;
|
||||
Interval* i2 = 0;
|
||||
for (ObjList* o = m_ascendent.skipNull();o;o = o->skipNext()) {
|
||||
Interval* i = static_cast<Interval*>(o->get());
|
||||
if (!i)
|
||||
continue;
|
||||
if (i->hasValue(load))
|
||||
i1 = i;
|
||||
}
|
||||
for (ObjList* o = m_descendent.skipNull();o;o = o->skipNext()) {
|
||||
Interval* i = static_cast<Interval*>(o->get());
|
||||
if (!i)
|
||||
continue;
|
||||
if (i->hasValue(load)) {
|
||||
i2 = i;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (!i1 || !i2)
|
||||
return 0;
|
||||
if (*i1 == *i2)
|
||||
return i1;
|
||||
if (*i1 == m_currentInterval || *i2 == m_currentInterval)
|
||||
return 0;
|
||||
ObjList* o = m_ascendent.find(m_currentInterval);
|
||||
if (!o)
|
||||
return 0;
|
||||
Interval* i = static_cast<Interval*>(o->get());
|
||||
if (load < i->getUp() && load < i->getDown())
|
||||
return i1->getUp() > i2->getUp() ? i1 : i2;
|
||||
else
|
||||
return i1->getDown() < i2->getDown() ? i1 : i2;
|
||||
}
|
||||
|
||||
void Target::manageLoad(int load)
|
||||
{
|
||||
Interval* i = getInterval(load);
|
||||
if (!i || *i == m_currentInterval) { // The interval has not been changed
|
||||
updateIntervals(m_currentInterval);
|
||||
sendNotify(load);
|
||||
return;
|
||||
}
|
||||
if (m_previewsInterval == *i && neighbors()) {
|
||||
// Oscillateing
|
||||
handleOscillation(*i,load);
|
||||
return;
|
||||
}
|
||||
updateIntervals(*i);
|
||||
sendNotify(load);
|
||||
}
|
||||
|
||||
// Check if m_previewsInterval and m_currentInterval are neighbors
|
||||
bool Target::neighbors()
|
||||
{
|
||||
ObjList* o = m_ascendent.find(m_previewsInterval);
|
||||
if (!o)
|
||||
return false;
|
||||
Interval* i = static_cast<Interval*>(o->get());
|
||||
ObjList* o1 = m_ascendent.find(m_currentInterval);
|
||||
if (!o1)
|
||||
return false;
|
||||
Interval* i1 = static_cast<Interval*>(o1->get());
|
||||
return i->getDown() == i1->getUp() || i->getUp() == i1->getDown();
|
||||
}
|
||||
|
||||
void Target::updateIntervals(const String& current)
|
||||
{
|
||||
m_previewsInterval = m_currentInterval;
|
||||
m_currentInterval = current;
|
||||
}
|
||||
|
||||
/**
|
||||
* Class CpuMonitor
|
||||
*/
|
||||
|
||||
CpuMonitor::CpuMonitor(const String& name)
|
||||
: String(name), m_informed(false)
|
||||
{
|
||||
DDebug(&s_module,DebugAll,"Creating CpuMonitor '%s' [%p]", name.c_str(), this);
|
||||
}
|
||||
|
||||
CpuMonitor::~CpuMonitor()
|
||||
{
|
||||
DDebug(&s_module,DebugAll,"Destroing CpuMonitor %s [%p]", c_str(),this);
|
||||
m_targets.clear();
|
||||
}
|
||||
|
||||
void CpuMonitor::initialize(const NamedList& params,int osTimer)
|
||||
{
|
||||
for (unsigned int i = 0; i < params.count(); i++) {
|
||||
NamedString* ns = params.getParam(i);
|
||||
if (ns)
|
||||
addTarget(*ns,osTimer);
|
||||
}
|
||||
}
|
||||
|
||||
void CpuMonitor::manageLoad(int load)
|
||||
{
|
||||
if (load > 100 && !m_informed) {
|
||||
Debug(&s_module,DebugConf,"Please configure cpu core number");
|
||||
m_informed = true;
|
||||
return;
|
||||
}
|
||||
for (ObjList*o = m_targets.skipNull();o;o = o->skipNext()) {
|
||||
Target* i = static_cast<Target*>(o->get());
|
||||
if (!i)
|
||||
continue;
|
||||
i->manageLoad(load);
|
||||
}
|
||||
}
|
||||
|
||||
bool CpuMonitor::addTarget(const NamedString& incumbent, int osTimer)
|
||||
{
|
||||
ObjList* intervals = incumbent.split(';'); // Obtain intervals
|
||||
if (!intervals)
|
||||
return false;
|
||||
ObjList* exists = m_targets.find(incumbent.name());
|
||||
if (exists) {
|
||||
Debug(&s_module,DebugConf,"Target '%s' already exists for monitor '%s'",
|
||||
incumbent.name().c_str(),c_str());
|
||||
TelEngine::destruct(intervals);
|
||||
return false;
|
||||
}
|
||||
Target* target = new Target(incumbent.name(),osTimer,*this);
|
||||
Interval* prevUp = 0;
|
||||
Interval* prevDown = 0;
|
||||
for (ObjList* i = intervals->skipNull();i;i = i->skipNext()) {
|
||||
String* s = static_cast<String*>(i->get());
|
||||
if (!s || s->null())
|
||||
continue;
|
||||
ObjList* o = s->split(',');
|
||||
if (!o)
|
||||
continue;
|
||||
int count = o->count();
|
||||
String* n = static_cast<String*>(o->at(0)); // Interval name
|
||||
if (!n) {
|
||||
TelEngine::destruct(o);
|
||||
continue;
|
||||
}
|
||||
String name = *n;
|
||||
n = 0;
|
||||
int iUp = 100;
|
||||
if (count > 1) {
|
||||
// Threshold value,if not exists we suppose it full CPU load (100%)
|
||||
String* iu = static_cast<String*>(o->at(1));
|
||||
iUp = iu ? iu->toInteger() : 100;
|
||||
iu = 0;
|
||||
}
|
||||
int iHR = s_defaultHysteresis;
|
||||
if (count > 2) {
|
||||
// Hysteresis value. If not exists then init to default
|
||||
String* hr = static_cast<String*>(o->at(2));
|
||||
if (hr) {
|
||||
iHR = hr->toInteger();
|
||||
}
|
||||
hr = 0;
|
||||
}
|
||||
TelEngine::destruct(o); // s->split()
|
||||
bool error = false;
|
||||
while (true) {
|
||||
// If previews interval upper value is greater than current threshold
|
||||
// then something may be wrong in configuration file
|
||||
if (prevUp && prevUp->getUp() >= iUp) {
|
||||
error = true;
|
||||
break;
|
||||
}
|
||||
// If previews interval threshold is greater than current interval lower value or
|
||||
// if this is first interval check if his boundaries are between 0-100
|
||||
if ((prevDown && prevDown->getThreshold() >= (iUp - iHR)) ||
|
||||
(!prevDown && (iUp - iHR) <= 0)) {
|
||||
error = true;
|
||||
break;
|
||||
}
|
||||
Interval* up = new Interval(name,iUp == 100 ? 100 : iUp + iHR,iUp,
|
||||
(prevUp) ? prevUp->getUp() : 0);
|
||||
Interval* down = new Interval(name,iUp == 100? 100 : iUp - iHR,iUp,
|
||||
(prevDown) ? prevDown->getUp() : 0);
|
||||
target->addInterval(up,true);
|
||||
target->addInterval(down,false);
|
||||
prevUp = up;
|
||||
prevDown = down;
|
||||
break;
|
||||
}
|
||||
if (error) {
|
||||
Debug(&s_module,DebugConf,"Invalid intervals threshold for target %s",target->c_str());
|
||||
TelEngine::destruct(target);
|
||||
TelEngine::destruct(intervals);
|
||||
return false;
|
||||
}
|
||||
}
|
||||
if (prevUp->getUp() != 100) {
|
||||
Debug(&s_module,DebugConf,"Invalid intervals! No interval reach 100");
|
||||
TelEngine::destruct(target);
|
||||
TelEngine::destruct(intervals);
|
||||
return false;
|
||||
}
|
||||
// Check if we have an valid target! If not remove it
|
||||
if (target->getIntervalsCount() < 2) {
|
||||
Debug(&s_module,DebugConf,"To few intervals for target '%s' from manager '%s'",
|
||||
target->c_str(),c_str());
|
||||
TelEngine::destruct(target);
|
||||
} else
|
||||
m_targets.append(target);
|
||||
TelEngine::destruct(intervals);
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Class QueryHandler
|
||||
*/
|
||||
|
||||
bool QueryHandler::received(Message& msg)
|
||||
{
|
||||
String target = msg.getValue("name");
|
||||
int manager = lookup(target,s_monitors,CpuUpdater::Unknown);
|
||||
CpuUpdater* cu = s_module.getUpdater();
|
||||
if (!cu)
|
||||
return false;
|
||||
Cpu* cpu = cu->getCpu();
|
||||
if (!cpu)
|
||||
return false;
|
||||
switch (manager) {
|
||||
case CpuUpdater::YateKernel:
|
||||
msg.setParam("value",String(cpu->getYateKernelLoad()));
|
||||
return true;
|
||||
case CpuUpdater::YateUser:
|
||||
msg.setParam("value",String(cpu->getYateUserLoad()));
|
||||
return true;
|
||||
case CpuUpdater::YateTotal:
|
||||
msg.setParam("value",String(cpu->getYateLoad()));
|
||||
return true;
|
||||
case CpuUpdater::System:
|
||||
int sload = cpu->getSLoad();
|
||||
if (sload < 0)
|
||||
return false;
|
||||
msg.setParam("value",String(sload));
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* Class CpuModule
|
||||
*/
|
||||
|
||||
CpuModule::CpuModule()
|
||||
: Module("CpuModule","misc",true), m_init(false)
|
||||
{
|
||||
Output("Loaded module Cpu");
|
||||
m_updater = new CpuUpdater();
|
||||
}
|
||||
|
||||
CpuModule::~CpuModule()
|
||||
{
|
||||
Output("Unloading module Cpu");
|
||||
}
|
||||
|
||||
bool CpuModule::received (Message &msg, int id)
|
||||
{
|
||||
switch (id) {
|
||||
case Halt:
|
||||
// Stop the thread!
|
||||
if (m_updater)
|
||||
m_updater->requestExit();
|
||||
break;
|
||||
case Control:
|
||||
// Process chan.control message
|
||||
const String* dest = msg.getParam("component");
|
||||
if (dest && (*dest == "cpuload"))
|
||||
return m_updater->update(msg);
|
||||
break;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
void CpuModule::initialize()
|
||||
{
|
||||
Output("Initializing module Cpu");
|
||||
Configuration cfg(Engine::configFile("cpuload"));
|
||||
m_updater->initialize(cfg);
|
||||
s_smooth = cfg.getIntValue("general","smooth",33);
|
||||
if (s_smooth < 5)
|
||||
s_smooth = 5;
|
||||
if (s_smooth > 50)
|
||||
s_smooth = 50;
|
||||
if (m_init)
|
||||
return;
|
||||
Cpu* c = new CpuPlatform();
|
||||
if (c->getSystemLoad() == -1) {
|
||||
delete c;
|
||||
c = 0;
|
||||
}
|
||||
#ifdef _SC_CLK_TCK
|
||||
if (!c) {
|
||||
c = new CpuStat();
|
||||
if (c->getSystemLoad() == -1) {
|
||||
delete c;
|
||||
c = 0;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
if (!c)
|
||||
c = new Cpu();
|
||||
m_updater->setCpu(c);
|
||||
m_init = true;
|
||||
m_updater->startup();
|
||||
installRelay(Control);
|
||||
Engine::install(new QueryHandler());
|
||||
installRelay(Halt);
|
||||
}
|
||||
|
||||
#ifdef _SC_CLK_TCK
|
||||
/**
|
||||
* class CpuStat
|
||||
* Obtain system cpu load from "/proc/stat"
|
||||
*/
|
||||
|
||||
void CpuStat::close(File* f)
|
||||
{
|
||||
if (!f)
|
||||
return;
|
||||
f->terminate();
|
||||
delete f;
|
||||
}
|
||||
|
||||
int CpuStat::getSystemLoad()
|
||||
{
|
||||
File* f = new File();
|
||||
if (!f->openPath(s_address,false,true)) {
|
||||
DDebug(&s_module,DebugNote,"Failed to open %s",s_address.c_str());
|
||||
return -1;
|
||||
}
|
||||
u_int64_t time = Time::msecNow();
|
||||
char buf[s_bufLen + 1];
|
||||
int read = f->readData(buf,s_bufLen);
|
||||
if (read < 0) {
|
||||
Debug(&s_module,DebugNote,"Read data error %s",strerror(errno));
|
||||
close(f);
|
||||
return -1;
|
||||
}
|
||||
buf[read] = '\0';
|
||||
String s(buf,read);
|
||||
ObjList* ob = s.split('\n',false);
|
||||
if (!ob) {
|
||||
Debug(&s_module,DebugNote,"Invalid data read from %s", s_address.c_str());
|
||||
close(f);
|
||||
return -1;
|
||||
}
|
||||
int counter = 0;
|
||||
for (ObjList* o = ob->skipNull();o;o = o->skipNext()) {
|
||||
String* cpu = static_cast<String*>(o->get());
|
||||
if (!cpu) {
|
||||
TelEngine::destruct(ob);
|
||||
close(f);
|
||||
return -1;
|
||||
}
|
||||
ObjList* val = cpu->split(' ',false);
|
||||
if (!val || val->count() < 4) {
|
||||
if (val)
|
||||
TelEngine::destruct(val);
|
||||
TelEngine::destruct(ob);
|
||||
close(f);
|
||||
return -1;
|
||||
}
|
||||
String* name = static_cast<String*>(val->at(0));
|
||||
if (!name) {
|
||||
TelEngine::destruct(ob);
|
||||
TelEngine::destruct(val);
|
||||
close(f);
|
||||
return -1;
|
||||
}
|
||||
if (*name == "cpu") {
|
||||
String* u = static_cast<String*>(val->at(1));
|
||||
int user = u->toInteger();
|
||||
String* n = static_cast<String*>(val->at(2));
|
||||
int nice = n->toInteger();
|
||||
String* k = static_cast<String*>(val->at(3));
|
||||
int kernel = k->toInteger();
|
||||
int loading = 0;
|
||||
long user_hz = ::sysconf(_SC_CLK_TCK);
|
||||
if (user_hz == 0) {
|
||||
Debug(&s_module,DebugWarn,"UserHZ value is 0 !! Can not calculate "
|
||||
"system CPU loading");
|
||||
return -1;
|
||||
}
|
||||
if (m_cpuDiscovered) {
|
||||
// If we had discovered the CPU's number, calculate the loading
|
||||
loading = (user - m_sysUser) + (nice - m_sysNice) + (kernel - m_sysKer);
|
||||
int t = time - m_lastSystemCheck;
|
||||
if (t == 0)
|
||||
return (m_loadSystem + 50) / 100;
|
||||
loading = ((loading *100) * (1000 / user_hz)) / t;
|
||||
loading /= m_coreNumber;
|
||||
m_loadSystem = (100 - s_smooth) * m_loadSystem/100 + s_smooth*loading;
|
||||
}
|
||||
m_sysUser = user;
|
||||
m_sysNice = nice;
|
||||
m_sysKer = kernel;
|
||||
m_lastSystemCheck = time;
|
||||
TelEngine::destruct(val);
|
||||
if (m_cpuDiscovered) {
|
||||
TelEngine::destruct(ob);
|
||||
close(f);
|
||||
return (m_loadSystem + 50) / 100;
|
||||
}
|
||||
continue;
|
||||
}
|
||||
if (name->startsWith("cpu")) { // count cpu0, cpu1,...
|
||||
counter ++;
|
||||
TelEngine::destruct(val);
|
||||
continue;
|
||||
}
|
||||
m_cpuDiscovered = true;
|
||||
if (m_coreNumber != counter && counter > 0) {
|
||||
Debug(&s_module,DebugMild,"Updating CPU core number from %d to %d",
|
||||
m_coreNumber,counter);
|
||||
m_coreNumber = counter;
|
||||
}
|
||||
TelEngine::destruct(val);
|
||||
TelEngine::destruct(ob);
|
||||
close(f);
|
||||
return 0;
|
||||
}
|
||||
TelEngine::destruct(ob);
|
||||
close(f);
|
||||
return -1;
|
||||
}
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Class CpuPlatform
|
||||
* Platform depended system cpu load implementation
|
||||
*/
|
||||
|
||||
int CpuPlatform::getSystemLoad()
|
||||
{
|
||||
#if defined(_WINDOWS)
|
||||
// Windows implementation
|
||||
#elseif defined(__FreeBSD__)
|
||||
// FreeBSD implementation
|
||||
#elseif defined(_MAC)
|
||||
// MAC OS implementation
|
||||
#endif
|
||||
return -1;
|
||||
}
|
||||
|
||||
}; // anonymous namespace
|
||||
|
||||
/* vi: set ts=8 sw=4 sts=4 noet: */
|
33
yatengine.h
33
yatengine.h
|
@ -807,6 +807,13 @@ public:
|
|||
Client = 3,
|
||||
ClientProxy = 4,
|
||||
};
|
||||
|
||||
enum CallAccept {
|
||||
Accept = 0,
|
||||
Partial = 1,
|
||||
Congestion = 2,
|
||||
Reject = 3,
|
||||
};
|
||||
|
||||
/**
|
||||
* Plugin load and initialization modes.
|
||||
|
@ -858,6 +865,30 @@ public:
|
|||
static RunMode mode()
|
||||
{ return s_mode; }
|
||||
|
||||
/**
|
||||
* Get call accept status
|
||||
* @return Engine's call accept status as enumerated value
|
||||
*/
|
||||
inline static CallAccept accept() {
|
||||
return s_accept;
|
||||
}
|
||||
|
||||
/**
|
||||
* Set call accept status
|
||||
* @param ca New call accept status as enumerated value
|
||||
*/
|
||||
inline static void setAccept(CallAccept ca) {
|
||||
s_accept = ca;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get call accept states
|
||||
* @return states Pointer to the call accept states TokenDict
|
||||
*/
|
||||
inline static const TokenDict* getCallAcceptStates() {
|
||||
return s_callAccept;
|
||||
}
|
||||
|
||||
/**
|
||||
* Check if the engine is running as telephony client
|
||||
* @return True if the engine is running in client mode
|
||||
|
@ -1126,6 +1157,8 @@ private:
|
|||
static NamedList s_params;
|
||||
static int s_haltcode;
|
||||
static RunMode s_mode;
|
||||
static CallAccept s_accept;
|
||||
static const TokenDict s_callAccept[];
|
||||
};
|
||||
|
||||
}; // namespace TelEngine
|
||||
|
|
Loading…
Reference in New Issue