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/**
* Tencent is pleased to support the open source community by making Tars available.
*
* Copyright (C) 2016THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the BSD 3-Clause License (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*
* Unless required by applicable law or agreed to in writing, software distributed
* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
* CONDITIONS OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*/
#include "ServerObject.h"
#include "RegistryProxy.h"
#include "util/tc_clientsocket.h"
#include "servant/Communicator.h"
#include "NodeServer.h"
#include "CommandStart.h"
#include "CommandNotify.h"
#include "CommandStop.h"
#include "CommandDestroy.h"
#include "CommandAddFile.h"
#include "NodeRollLogger.h"
ServerObject::ServerObject( const ServerDescriptor& tDesc)
: _tarsServer(true)
, _loaded(false)
, _patched(true)
, _noticed(false)
, _noticeFailTimes(0)
, _enSynState(true)
, _pid(0)
, _state(ServerObject::Inactive)
, _limitStateUpdated(false)
, _started(false)
{
//60秒内最多启动10次，达到10次启动仍失败后,每隔600秒再重试一次
_activatorPtr = new Activator(60,10,600);
//服务相关修改集中放到setServerDescriptor函数中
setServerDescriptor(tDesc);
_serviceLimitResource = new ServerLimitResource(5,10,60,_application,_serverName);
}
void ServerObject::setServerDescriptor( const ServerDescriptor& tDesc )
{
TLOGDEBUG("ServerObject::setServerDescriptor "<< tDesc.application << "." << tDesc.serverName <<endl);
_desc = tDesc;
_application = tDesc.application;
_serverName = tDesc.serverName;
_serverId = _application+"."+_serverName;
_desc.settingState == "active"?_enabled = true:_enabled = false;
time_t now = TNOW;
_adapterKeepAliveTime.clear();
map<string, AdapterDescriptor>::const_iterator itAdapters;
for( itAdapters = _desc.adapters.begin(); itAdapters != _desc.adapters.end(); itAdapters++)
{
_adapterKeepAliveTime[itAdapters->first] = now;
}
_adapterKeepAliveTime["AdminAdapter"] = now;
setLastKeepAliveTime(now);
}
bool ServerObject::isAutoStart()
{
Lock lock(*this);
TLOGDEBUG( "ServerObject::isAutoStart "<< _application << "." << _serverName <<"|"<<_enabled<<"|"<<_loaded<<"|"<<_patched<<"|"<<toStringState(_state)<<endl);
NODE_LOG("KeepAliveThread")->debug()<<FILE_FUN<< _application << "." << _serverName <<"|"<<_enabled<<"|"<<_loaded<<"|"<<_patched<<"|"<<toStringState(_state)<<endl;
if(toStringState(_state).find( "ing" ) != string::npos) //正处于中间态时不允许重启动
{
TLOGDEBUG("ServerObject::isAutoStart " << _application << "." << _serverName <<" not allow to restart in (ing) state"<<endl);
return false;
}
if(!_enabled||!_loaded || !_patched || _activatorPtr->isActivatingLimited())
{
if(_activatorPtr->isActivatingLimited())
{
TLOGDEBUG("ServerObject::isAutoStart " << _application << "." << _serverName <<" not allow to restart in limited state"<<endl);
}
return false;
}
return true;
}
ServerState ServerObject::getState()
{
Lock lock(*this);
TLOGINFO("ServerObject::getState "<<_application << "." << _serverName <<"'s state is "<<toStringState(_state)<<endl);
return toServerState( _state );
}
void ServerObject::setState(InternalServerState eState, bool bSynState)
{
Lock lock(*this);
if (_state == eState && _noticed == true)
{
return;
}
if ( _state != eState )
{
TLOGDEBUG(FILE_FUN << _application << "." << _serverName << " State changed! old State:" << toStringState( _state ) << " new State:" << toStringState( eState ) << endl);
_state = eState;
}
if(bSynState == true)
{
synState();
}
}
void ServerObject::setLastState(InternalServerState eState)
{
Lock lock(*this);
_lastState = eState;
}
bool ServerObject::isScriptFile(const string &sFileName)
{
if(TC_Common::lower(TC_File::extractFileExt(sFileName)) == "sh" ) //.sh文件为脚本
{
return true;
}
if(TC_File::extractFileName(_startScript) == sFileName )
{
return true;
}
if(TC_File::extractFileName(_stopScript) == sFileName )
{
return true;
}
if(TC_File::extractFileName(_monitorScript) == sFileName )
{
return true;
}
return false;
}
//同步更新 重启服务 需要准确通知主控状态时调用
void ServerObject::synState()
{
Lock lock(*this);
try
{
ServerStateInfo tServerStateInfo;
tServerStateInfo.serverState = (IsEnSynState()?toServerState(_state):tars::Inactive);
tServerStateInfo.processId = _pid;
//根据uNoticeFailTimes判断同步还是异步更新服务状态
//防止主控超时导致阻塞服务上报心跳
if(_noticeFailTimes < 3)
{
AdminProxy::getInstance()->getRegistryProxy()->updateServer( _nodeInfo.nodeName, _application, _serverName, tServerStateInfo);
}
else
{
AdminProxy::getInstance()->getRegistryProxy()->async_updateServer(NULL, _nodeInfo.nodeName, _application, _serverName, tServerStateInfo);
}
//日志
stringstream ss;
tServerStateInfo.displaySimple(ss);
NODE_LOG("synState")->debug()<<FILE_FUN << "synState" << "|"<< _nodeInfo.nodeName << "|" << _application << "|" << _serverName
<< "|" << std::boolalpha << _enSynState <<"|" << ss.str() << endl;
_noticed = true;
_noticeFailTimes = 0;
}
catch (exception &e)
{
_noticed = false;
_noticeFailTimes ++;
TLOGERROR("ServerObject::synState "<<_application<<"."<<_serverName<<" error times:"<<_noticeFailTimes<<" reason:"<< e.what() << endl);
}
}
//异步同步状态
void ServerObject::asyncSynState()
{
Lock lock(*this);
try
{
ServerStateInfo tServerStateInfo;
tServerStateInfo.serverState = (IsEnSynState()?toServerState(_state):tars::Inactive);
tServerStateInfo.processId = _pid;
AdminProxy::getInstance()->getRegistryProxy()->async_updateServer( NULL, _nodeInfo.nodeName, _application, _serverName, tServerStateInfo);
//日志
stringstream ss;
tServerStateInfo.displaySimple(ss);
NODE_LOG("synState")->debug()<<FILE_FUN<< _nodeInfo.nodeName << "|" << _application << "|" << _serverName
<< "|" << std::boolalpha << _enSynState <<"|" << ss.str() << endl;
}
catch (exception &e)
{
TLOGERROR("ServerObject::asyncSynState "<<_application<<"."<<_serverName<<" error:" << e.what() << endl);
}
}
ServerState ServerObject::toServerState(InternalServerState eState) const
{
switch (eState)
{
case Inactive:
{
return tars::Inactive;
}
case Activating:
{
return tars::Activating;
}
case Active:
{
return tars::Active;
}
case Deactivating:
{
return tars::Deactivating;
}
case Destroying:
{
return tars::Destroying;
}
case Destroyed:
{
return tars::Destroyed;
}
default:
{
return tars::Inactive;
}
}
}
string ServerObject::toStringState(InternalServerState eState) const
{
switch (eState)
{
case Inactive:
{
return "Inactive";
}
case Activating:
{
return "Activating";
}
case Active:
{
return "Active";
}
case Deactivating:
{
return "Deactivating";
}
case Destroying:
{
return "Destroying";
}
case Destroyed:
{
return "Destroyed";
}
case Loading:
{
return "Loading";
}
case Patching:
{
return "Patching";
}
case BatchPatching:
{
return "BatchPatching";
}
case AddFilesing:
{
return "AddFilesing";
}
default:
{
ostringstream os;
os << "state " << eState;
return os.str();
}
};
}
int ServerObject::checkPid()
{
Lock lock(*this);
if(_pid != 0)
{
int iRet = _activatorPtr->sendSignal(_pid, 0);
if (iRet == 0)
{
NODE_LOG("KeepAliveThread")->debug() <<FILE_FUN<< _serverId << "|" << _pid << "|" << iRet << endl;
return 0;
}
}
NODE_LOG("KeepAliveThread")->error() <<FILE_FUN<< _serverId << "|" << _pid << "|-1" << endl;
return -1;
}
void ServerObject::keepAlive(pid_t pid,const string &adapter)
{
Lock lock(*this);
if (pid <= 0)
{
TLOGERROR("ServerObject::keepAlive "<< _application << "." << _serverName << " pid "<<pid<<" error, pid <= 0"<<endl);
return;
}
else
{
TLOGDEBUG("ServerObject::keepAlive "<<_serverType<< "|pid|" << pid <<"|server|"<<_application << "." << _serverName <<"|"<<adapter<< endl);
}
time_t now = TNOW;
setLastKeepAliveTime(now,adapter);
//setLastKeepAliveTime(now);
setPid(pid);
//心跳不改变正在转换期状态(Activating除外)
if(toStringState(_state).find("ing") == string::npos || _state == ServerObject::Activating)
{
TLOGDEBUG("ServerObject::keepAlive "<< _desc.application << "|" << _desc.serverName << "|" << toStringState(_state) << "|" << _state << endl);
setState(ServerObject::Active);
}
else
{
TLOGDEBUG("ServerObject::keepAlive " << _application << "." << _serverName << " State no need changed to active! State:" << toStringState( _state ) << endl);
}
if(!_loaded)
{
_loaded = true;
}
if(!_patched)
{
_patched = true;
}
}
void ServerObject::setLastKeepAliveTime(int t,const string& adapter)
{
Lock lock(*this);
_keepAliveTime = t;
map<string, time_t>::iterator it1 = _adapterKeepAliveTime.begin();
if(adapter.empty())
{
while (it1 != _adapterKeepAliveTime.end() )
{
it1->second = t;
it1++;
}
return;
}
map<string, time_t>::iterator it2 = _adapterKeepAliveTime.find(adapter);
if( it2 != _adapterKeepAliveTime.end())
{
it2->second = t;
}
else
{
TLOGERROR("ServerObject::setLastKeepAliveTime "<<adapter<<" not registed "<< endl);
}
}
int ServerObject::getLastKeepAliveTime(const string &adapter)
{
if(adapter.empty())
{
return _keepAliveTime;
}
map<string, time_t>::const_iterator it = _adapterKeepAliveTime.find(adapter);
if( it != _adapterKeepAliveTime.end())
{
return it->second;
}
return -1;
}
bool ServerObject::isTimeOut(int iTimeout)
{
Lock lock(*this);
time_t now = TNOW;
if(now - _keepAliveTime > iTimeout)
{
TLOGERROR("ServerObject::isTimeOut server time out "<<now - _keepAliveTime<<"|>|"<<iTimeout<< endl);
return true;
}
map<string, time_t>::const_iterator it = _adapterKeepAliveTime.begin();
while (it != _adapterKeepAliveTime.end() )
{
if(now - it->second > iTimeout)
{
TLOGERROR("ServerObject::isTimeOut server "<< it->first<<" time out "<<now - it->second<<"|>|"<<iTimeout<<"|"<<TC_Common::tostr(_adapterKeepAliveTime)<< endl);
return true;
}
it++;
}
return false;
}
bool ServerObject::isStartTimeOut()
{
Lock lock(*this);
int64_t now = TNOWMS;
if (now - _startTime >= 100)//默认为100ms,_timeout
{
NODE_LOG("KeepAliveThread")->debug()<<FILE_FUN<<"server start time out "<<now - _startTime<<"|>|"<<100<<endl;
return true;
}
NODE_LOG("KeepAliveThread")->debug()<<"server start time out "<<now - _startTime<<"|<|"<<100<<endl;
return false;
}
void ServerObject::setVersion( const string & version )
{
Lock lock(*this);
try
{
_version = version;
AdminProxy::getInstance()->getRegistryProxy()->async_reportVersion(NULL,_application, _serverName, _nodeInfo.nodeName, version);
}catch(...)
{
_noticed = false;
}
}
void ServerObject::setPid(pid_t pid)
{
Lock lock(*this);
if (pid == _pid)
{
return;
}
NODE_LOG("startServer")->debug()<<FILE_FUN<< _application << "." << _serverName << " pid changed! old pid:" << _pid << " new pid:" << pid << endl;
_pid = pid;
}
void ServerObject::setPatchPercent(const int iPercent)
{
Lock lock(*this);
//下载结束仍需要等待本地copy 进度最多设置99% 本地copy结束后设置为100%
_patchInfo.iPercent = iPercent>99?99:iPercent;
_patchInfo.iModifyTime = TNOW;
}
void ServerObject::setPatchResult(const string &sPatchResult,const bool bSucc)
{
Lock lock(*this);
_patchInfo.sResult = sPatchResult;
_patchInfo.bSucc = bSucc;
}
void ServerObject::setPatchVersion(const string &sVersion)
{
Lock lock(*this);
_patchInfo.sVersion = sVersion;
}
string ServerObject::getPatchVersion()
{
Lock lock(*this);
return _patchInfo.sVersion;
}
int ServerObject::getPatchPercent(PatchInfo &tPatchInfo)
{
TLOGDEBUG("ServerObject::getPatchPercent"<< _application << "_" << _serverName << "|"<< _serverId<< endl);
Lock lock(*this);
TLOGDEBUG("ServerObject::getPatchPercent "<< _application << "_" << _serverName << "|"<< _serverId << "get lock" << endl);
tPatchInfo = _patchInfo;
//是否正在发布
tPatchInfo.bPatching = (_state == ServerObject::Patching ||_state==ServerObject::BatchPatching)?true:false;
if (tPatchInfo.bSucc == true || _state == ServerObject::Patching || _state == ServerObject::BatchPatching)
{
TLOGDEBUG("ServerObject::getPatchPercent "<< _desc.application
<< "|" << _desc.serverName << "|succ:" << (tPatchInfo.bSucc?"true":"false") << "|" << toStringState(_state) << "|" << _patchInfo.iPercent << "%|" << _patchInfo.sResult << endl);
return 0;
}
TLOGERROR("ServerObject::getPatchPercent "<< _desc.application
<< "|" << _desc.serverName << "|succ:" << (tPatchInfo.bSucc?"true":"false") << "|" << toStringState(_state) << "|" << _patchInfo.iPercent << "%|" << _patchInfo.sResult << endl);
return -1;
}
string ServerObject::decodeMacro(const string& value) const
{
string tmp = value;
map<string,string>::const_iterator it = _macro.begin();
while(it != _macro.end())
{
tmp = TC_Common::replace(tmp, "${" + it->first + "}", it->second);
++it;
}
return tmp;
}
void ServerObject::setMacro(const map<string,string>& mMacro)
{
Lock lock(*this);
map<string,string>::const_iterator it1 = mMacro.begin();
for(;it1!= mMacro.end();++it1)
{
map<string,string>::iterator it2 = _macro.find(it1->first);
if(it2 != _macro.end())
{
it2->second = it1->second;
}
else
{
_macro[it1->first] = it1->second;
}
}
}
void ServerObject::setScript(const string &sStartScript,const string &sStopScript,const string &sMonitorScript )
{
_startScript = TC_File::simplifyDirectory(TC_Common::trim(sStartScript));
_stopScript = TC_File::simplifyDirectory(TC_Common::trim(sStopScript));
_monitorScript = TC_File::simplifyDirectory(TC_Common::trim(sMonitorScript));
}
bool ServerObject::getRemoteScript(const string &sFileName)
{
string sFile = TC_File::simplifyDirectory(TC_Common::trim(sFileName));
if(!sFile.empty())
{
CommandAddFile commands(this,sFile);
commands.doProcess(); //拉取脚本
return true;
}
return false;
}
void ServerObject::doMonScript()
{
try
{
string sResult;
time_t tNow = TNOW;
if(TC_File::isAbsolute(_monitorScript) == true) //监控脚本
{
if(_state == ServerObject::Activating||tNow - _keepAliveTime > ServantHandle::HEART_BEAT_INTERVAL)
{
map<string,string> mResult;
_activatorPtr->doScript(_serverId,_monitorScript,sResult,mResult);
if(mResult.find("pid") != mResult.end() && TC_Common::isdigit(mResult["pid"]) == true)
{
TLOGDEBUG("ServerObject::doMonScript "<< _serverId << "|"<< mResult["pid"] << endl);
keepAlive(TC_Common::strto<int>(mResult["pid"]));
}
}
}
}
catch (exception &e)
{
TLOGERROR("ServerObject::doMonScript error:" << e.what() << endl);
}
}
void ServerObject::checkServer(int iTimeout)//checkServer时对服务所占用的内存上报到主控
{
try
{
string sResult;
NODE_LOG("KeepAliveThread")->debug() <<FILE_FUN<<_serverId <<"|"<<toStringState(_state)<< endl;
//pid不存在属于服务异常
if( _state != ServerObject::Inactive && _state != ServerObject::Deactivating && (checkPid() != 0))
{
bool bShouldStop = false;
if (_state == ServerObject::Activating)
{
if (_started && isStartTimeOut())
{
bShouldStop = true;
sResult="[alarm] activating,pid not exist";
NODE_LOG("KeepAliveThread")->debug()<<FILE_FUN<<"|sResult:"<<sResult<<endl;
}
NODE_LOG("KeepAliveThread")->debug()<<FILE_FUN<<"|is not bstarted"<<endl;
}
else
{
bShouldStop = true;
sResult = "[alarm] down,pid not exist";
NODE_LOG("KeepAliveThread")->debug()<<FILE_FUN<<"|sResult:"<<sResult<<endl;
}
if (bShouldStop)
{
NODE_LOG("KeepAliveThread")->debug()<<FILE_FUN<<_serverId<<" "<<sResult << "|pid|" << _pid << "|_state:" << toStringState(_state)<<"|_started:"<<_started<< endl;
CommandStop command(this, false);
command.doProcess();
}
}
else
{
NODE_LOG("KeepAliveThread")->debug() <<FILE_FUN<< _serverId<<"|" << toStringState(_state) << "|" << _pid << endl;
}
//正在运行程序心跳上报超时。
int iRealTimeout = _timeout > 0?_timeout:iTimeout;
if( _state != ServerObject::Inactive && isTimeOut(iRealTimeout))
{
sResult = "[alarm] zombie process,no keep alive msg for " + TC_Common::tostr(iRealTimeout) + " seconds";
NODE_LOG("KeepAliveThread")->debug()<<FILE_FUN<<_serverId<<" "<<sResult << endl;
CommandStop command(this, true);
command.doProcess();
}
//启动服务
if( _state == ServerObject::Inactive && isAutoStart() == true)
{
sResult = sResult == ""?"[alarm] down, server is inactive":sResult;
NODE_LOG("KeepAliveThread")->debug() <<FILE_FUN<<_serverId<<" "<<sResult << "|_state:" << toStringState(_state) << endl;
g_app.reportServer(_serverId,sResult);
CommandStart command(this);
int ret = command.doProcess();
NODE_LOG("KeepAliveThread")->debug() <<FILE_FUN<<"|start ret:" << ret << endl;
//配置了coredump检测才进行操作
if(_limitStateInfo.bEnableCoreLimit)
{
_serviceLimitResource->addExcStopRecord();
}
}
}
catch(exception &ex)
{
NODE_LOG("KeepAliveThread")->error()<<FILE_FUN << "ex:" << ex.what() << endl;
TLOGERROR("ServerObject::checkServer ex:" << ex.what() << endl);
}
catch(...)
{
NODE_LOG("KeepAliveThread")->error()<<FILE_FUN << "unknown ex." << endl;
TLOGERROR("ServerObject::checkServer unknown ex." << endl);
}
}
/**
* 属性上报单独出来
*/
void ServerObject::reportMemProperty()
{
try
{
char sTmp[64] ={0};
snprintf(sTmp,sizeof(sTmp), "%u", _pid);
string spid = string(sTmp);
string filename = "/proc/" + spid + "/statm";
string stream;
stream = TC_File::load2str(filename);
if(!stream.empty())
{
NODE_LOG("ReportMemThread")->debug()<<FILE_FUN<<"filename:"<<filename<<",stream:"<<stream<<endl;
//>>改成上报物理内存
vector<string> vtStatm = TC_Common::sepstr<string>(stream, " ");
if (vtStatm.size() < 2)
{
NODE_LOG("ReportMemThread")->error() <<FILE_FUN<< "cannot get server[" + _serverId + "] physical mem size|stream|" << stream << endl;
}
else
{
stream = vtStatm[1];
}
if(TC_Common::isdigit(stream))
{
REPORT_MAX(_serverId, _serverId+".memsize", TC_Common::strto<int>(stream) * 4);
NODE_LOG("ReportMemThread")->debug()<<FILE_FUN<<"report_max("<<_serverId<<".memsize,"<<TC_Common::strto<int>(stream)*4<<")OK."<<endl;
return;
}
else
{
NODE_LOG("ReportMemThread")->error()<<FILE_FUN<<"stream : "<<stream<<" ,is not a digit."<<endl;
}
}
else
{
NODE_LOG("ReportMemThread")->error()<<FILE_FUN<<"stream is empty: "<<stream<<endl;
}
}
catch(exception &ex)
{
NODE_LOG("ReportMemThread")->error() << FILE_FUN << " ex:" << ex.what() << endl;
TLOGERROR(FILE_FUN << " ex:" << ex.what() << endl);
}
catch(...)
{
NODE_LOG("ReportMemThread")->error() << FILE_FUN << " unknown error" << endl;
TLOGERROR(FILE_FUN << "unknown ex." << endl);
}
}
void ServerObject::checkCoredumpLimit()
{
if(_state != ServerObject::Active || !_limitStateInfo.bEnableCoreLimit)
{
TLOGINFO(FILE_FUN<<"checkCoredumpLimit:server is inactive or disable corelimit"<<endl);
return;
}
Lock lock(*this);
if(_limitStateInfo.eCoreType == EM_AUTO_LIMIT)
{
bool bNeedClose=false;
int iRet =_serviceLimitResource->IsCoreLimitNeedClose(bNeedClose);
bool bNeedUpdate = (iRet==2)?true:false;
if(_limitStateUpdated && bNeedClose)
{
_limitStateUpdated = setServerCoreLimit(true)?false:true;//设置成功后再屏蔽更新
_limitStateInfo.bCloseCore = bNeedClose;
}
else if(bNeedUpdate && !bNeedClose)
{
setServerCoreLimit(false);
_limitStateInfo.bCloseCore = bNeedClose;
}
}
else
{
if(_limitStateUpdated)
{
_limitStateUpdated = setServerCoreLimit(_limitStateInfo.bCloseCore)?false:true; //设置成功后再屏蔽更新
}
}
}
bool ServerObject::setServerCoreLimit(bool bCloseCore)
{
string sResult = "succ";
const string sCmd = (bCloseCore)?("tars.closecore yes"):("tars.closecore no");
CommandNotify command(this,sCmd);
int iRet = command.doProcess(sResult);
NODE_LOG("KeepAliveThread")->debug()<<FILE_FUN<<"setServerCoreLimit|"<<_serverId<<"|"<<sCmd<<"|"<<sResult<<endl;
return (iRet==0);
}
//服务重启时设置
void ServerObject::setLimitInfoUpdate(bool bUpdate)
{
Lock lock(*this);
_limitStateUpdated = true;
}
//手动配置有更新时调用
void ServerObject::setServerLimitInfo(const ServerLimitInfo& tInfo)
{
Lock lock(*this);
_limitStateInfo = tInfo;
NODE_LOG("KeepAliveThread")->debug() << FILE_FUN << _serverId << "|" << _limitStateInfo.str() << endl;
_serviceLimitResource->setLimitCheckInfo(tInfo.iMaxExcStopCount,tInfo.iCoreLimitTimeInterval,tInfo.iCoreLimitExpiredTime);
_activatorPtr->setLimitInfo(tInfo.iActivatorTimeInterval, tInfo.iActivatorMaxCount, tInfo.iActivatorPunishInterval);
_limitStateUpdated = true;
}
//重置core计数信息
void ServerObject::resetCoreInfo()
{
_serviceLimitResource->resetRunTimeData();
}
void ServerObject::setStarted(bool bStarted)
{
Lock lock(*this);
_started=bStarted;
}
void ServerObject::setStartTime(int64_t iStartTime)
{
Lock lock(*this);
_startTime = iStartTime;
}