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mariadb-columnstore-engine/procmon/processmonitor.h
david hill f6afc42dd0 the begginning
2016-01-06 14:08:59 -06:00

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/* Copyright (C) 2014 InfiniDB, Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; version 2 of
the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA. */
/***************************************************************************
* $Id: processmonitor.h 1993 2013-04-04 18:33:48Z rdempsey $
*
***************************************************************************/
#ifndef _PROCESSMONITOR_H_
#define _PROCESSMONITOR_H_
#include <string>
#include <sys/shm.h>
#include <sys/wait.h>
#include <errno.h>
#include "liboamcpp.h"
#include "shmkeys.h"
#include "snmpglobal.h"
#include "socketclosed.h"
namespace processmonitor {
#define INIT_SUPPORT 0 // 0 = 'INIT -0' COMMAND COMPILED IN, 1 = 'INIT -0' COMMANDS COMPILED OUT
#define MAXARGUMENTS 15
#define MAXDEPENDANCY 6
/**
* @brief processStructure Process Config Structure
*/
typedef struct processStructure
{
std::string ProcessModuleType;
std::string ProcessName;
std::string ProcessLocation;
std::string ProcessArgs[MAXARGUMENTS];
time_t currentTime;
uint16_t launchID;
pid_t processID;
uint16_t state;
uint16_t BootLaunch;
uint16_t dieCounter;
std::string RunType;
std::string DepProcessName[MAXDEPENDANCY];
std::string DepModuleName[MAXDEPENDANCY];
std::string LogFile;
} processInfo;
typedef std::vector<processInfo> processList;
/**
* @brief shmProcessStatus Process Status Structure
*/
struct shmProcessStatus
{
pid_t ProcessID; //!< Process ID number
char StateChangeDate[24]; //!< Last time/date state change
uint16_t ProcessOpState; //!< Process Operational State
};
/**
* @brief processStatus Process Status Structure
*/
typedef struct processStatus
{
std::string ProcessName;
std::string ModuleName;
uint16_t tableIndex;
} processstatus;
typedef std::vector<processstatus> processStatusList;
/**
* @brief shmDeviceStatus Status Structure
*/
#define NAMESIZE 128
#define DATESIZE 24
struct shmDeviceStatus
{
char Name[NAMESIZE]; //!< Device Name
char StateChangeDate[DATESIZE]; //!< Last time/date state change
uint16_t OpState; //!< Device Operational State
};
/**
* @brief MonitorConfig class builds a list of process it starts
*
*/
class MonitorConfig
{
public:
/**
* @brief constructor
*
*/
MonitorConfig();
/**
* @brief destructor
*
*/
~MonitorConfig();
/**
* moduleName accessor
*/
const std::string& moduleName() const
{
return flocalModuleName;
}
/**
* moduleType accessor
*/
const std::string& moduleType() const
{
return flocalModuleType;
}
/**
* moduleName accessor
*/
const uint16_t& moduleID() const
{
return flocalModuleID;
}
/**
* parentName accessor
*/
const std::string& OAMParentName() const
{
return fOAMParentModuleName;
}
/**
* parentFlag accessor
*/
const bool& OAMParentFlag() const
{
return fOAMParentModuleFlag;
}
/**
* ServerInstallType accessor
*/
const uint16_t& ServerInstallType() const
{
return fserverInstallType;
}
/**
* StandbyName accessor
*/
const std::string& OAMStandbyName() const
{
return fOAMStandbyModuleName;
}
/**
* standbyParentFlag accessor
*/
const bool& OAMStandbyParentFlag() const
{
return fOAMStandbyModuleFlag;
}
/**
* SoftwareVersion accessor
*/
const std::string& SoftwareVersion() const
{
return fsoftwareVersion;
}
/**
* SoftwareRelease accessor
*/
const std::string& SoftwareRelease() const
{
return fsoftwareRelease;
}
/**
* Build a list of processes the monitor started
*/
void buildList(std::string ProcessModuleType,
std::string processName,
std::string ProcessLocation,
std::string arg_list[MAXARGUMENTS],
uint16_t launchID,
pid_t processID,
uint16_t state,
uint16_t BootLaunch,
std::string RunType,
std::string DepProcessName[MAXDEPENDANCY],
std::string DepModuleName[MAXDEPENDANCY],
std::string logFile);
/**
* return the process list
*/
processList* monitoredListPtr();
/**
* return the process ID
*/
void findProcessInfo (pid_t processID, processInfo& info);
/**
* @brief copy constructor
*
*/
MonitorConfig(const MonitorConfig& rhs);
/**
* @brief copy assignment operator
*
*/
MonitorConfig& operator=(const MonitorConfig& rhs);
private:
std::string flocalModuleName;
std::string flocalModuleType;
uint16_t flocalModuleID;
std::string fOAMParentModuleName;
bool fOAMParentModuleFlag;
uint16_t fserverInstallType;
std::string fOAMStandbyModuleName;
bool fOAMStandbyModuleFlag;
processList fmonitoredListPtr;
std::string fsoftwareVersion;
std::string fsoftwareRelease;
};
/**
* @brief MonitorLog class logs the activities between Process Monitor
* and its child processes for debugging purpose.
*/
class MonitorLog
{
public:
/**
* Constructor:open the log file for writing
*/
MonitorLog();
/**
* Destructor:close the log file
*/
~MonitorLog();
/**
* @brief Write the message to the log
*/
void writeLog(const int lineNumber, const std::string logContent, const logging::LOG_TYPE logType = logging::LOG_TYPE_INFO);
/**
* @brief Write the message to the log
*/
void writeLog(const int lineNumber, const int logContent, const logging::LOG_TYPE logType = logging::LOG_TYPE_INFO);
private:
std::ofstream logFile;
/**
* @brief copy constructor
*
*/
MonitorLog(const MonitorLog& rhs);
/**
* @brief copy assignment operator
*
*/
MonitorLog& operator=(const MonitorLog& rhs);
};
/**
* @brief ProcessMonitor class takes requests from Process Manager for
* starting, stopping, and restarting processes. It monitors the processes it started,
* logs its events, and restarts the died processes.
*/
class ProcessMonitor
{
public:
/**
* Constructor
*/
ProcessMonitor(MonitorConfig &config, MonitorLog &log);
/**
* Default Destructor
*/
~ProcessMonitor();
/**
* Start a process
*/
pid_t startProcess(std::string processModuleType, std::string processName, std::string processLocation,
std::string arg_list[MAXARGUMENTS], uint16_t launchID, uint16_t BootLaunch,
std::string RunType, std::string DepProcessName[MAXDEPENDANCY] ,
std::string DepModuleName[MAXDEPENDANCY], std::string LogFile, uint16_t startType,
uint16_t actIndicator = oam::FORCEFUL);
/**
* get Alarm Data and send to requester
*/
int getAlarmData(messageqcpp::IOSocket mq, int type, std::string date);
/**
* Stop a process
*/
int stopProcess(pid_t processID, std::string processName, std::string processLocation, int actionIndicator, bool manualFlag);
/**
* Re-init a process
*/
int reinitProcess(pid_t processID, std::string processName, int actionIndicator);
/**
* Stop all processes started by this monitor
*/
int stopAllProcess(int actionIndicator);
/**
* receive and process message
*/
void processMessage(messageqcpp::ByteStream msg, messageqcpp::IOSocket mq);
/**
* send message to the monitored process or the process manager
*/
int sendMessage(const std::string& toWho, const std::string& message);
/**
* check child process heart beat
*/
int checkHeartBeat(const std::string processName);
/**
* send a trap and log the process information
*/
void sendAlarm(std::string alarmItem, oam::ALARMS alarmID, int action);
/**
*@brief update process disk state
*/
bool updateProcessInfo(std::string processName, int state, pid_t pid);
/**
*@brief update log configuration
*/
int updateLog(std::string action, std::string level);
/**
*@brief get log configuration
*/
int getConfigLog();
/**
*@brief change Log File priviledges
*/
void changeModLog();
/**
*@brief check Power-On Test results
*/
void checkPowerOnResults();
/**
*@brief update Config
*/
int updateConfig();
/**
*@brief build System Tables
*/
int buildSystemTables();
/**
*@brief reconfigure Module fucntionality
*/
int reconfigureModule(std::string reconfigureModuleName);
/**
*@brief check Single Process State
*/
int checkSpecialProcessState( std::string processName, std::string runType, std::string processModuleType );
/**
*@brief Check if Mate Module is Active
*/
int checkMateModuleState();
/**
*@brief Create the Calpont Data directories
*/
int createDataDirs(std::string cloud);
/**
*@brief Process Restarted, inform Process Mgr
*/
int processRestarted( std::string processName, bool manual = true );
/**
*@brief update crontab to have logs archived at midnight
*/
int changeCrontab();
/**
*@brief Update Transaction Log
*/
int changeTransactionLog();
/**
*@brief update Core Dump configuration
*/
int updateCore(std::string action);
/**
*@brief setup Tranaction Logging
*/
void setTransactionLog(bool action);
/**
*@brief Remove XM ProcMon setup
*/
int removeXMProcMon();
/**
*@brief unmount from associated system
*/
int umountSystem();
/**
*@brief Runs DB sanity test
*/
int runStartupTest();
/**
*@brief Runs HDFS sanity test
*/
int runHDFSTest();
/**
*@brief Update Calpont Config File
*/
int updateConfigFile(messageqcpp::ByteStream msg);
int getDBRMdata();
/**
*@brief Send Msg to Process Monitor
*/
std::string sendMsgProcMon1( std::string module, messageqcpp::ByteStream msg, int requestID );
/**
*@brief check if module failover is needed due to a process outage
*/
void checkProcessFailover( std::string processName);
/**
*@brief run upgrade script
*/
int runUpgrade(std::string mysqlpw);
/**
*@brief change my.cnf
*/
int changeMyCnf(std::string type);
/**
*@brief run Master Replication script
*/
int runMasterRep(std::string& masterLogFile, std::string& masterLogPos);
/**
*@brief run Master Distribution
*/
int runMasterDist(std::string& password, std::string& slaveModule);
/**
*@brief run Slave Replication script
*/
int runSlaveRep(std::string& masterLogFile, std::string& masterLogPos, std::string& port);
/**
*@brief run Disable Replication script
*/
int runDisableRep();
/**
*@brief Amazon Instance and IP check
*/
bool amazonIPCheck();
/**
*@brief UnMOunt any extra dbroots
*/
void unmountExtraDBroots();
/**
*@brief Calculate TotalUmMemory
*/
void calTotalUmMemory();
/**
*@brief Amazon Volume check
*/
bool amazonVolumeCheck(int dbrootID = 0);
/**
*@brief Check Data Mounts
*/
int checkDataMount();
/** @brief flush inode cache
*/
void flushInodeCache();
/** @brief glusterAssign
*/
int glusterAssign(std::string dbrootID);
/** @brief glusterUnassign
*/
int glusterUnassign(std::string dbrootID);
/**
* return the process list
*/
// processStatusList* statusListPtr();
// processStatusList fstatusListPtr;
private:
/*need define copy ans assignment constructor */
MonitorConfig &config;
MonitorLog &log;
};
} //end of namespace
#endif // _PROCESSMONITOR_H_
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