78 lines
2.0 KiB
C++
78 lines
2.0 KiB
C++
#ifndef __JOB_CLIENT_H__
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#define __JOB_CLIENT_H__
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#include <string>
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#include <ctime>
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#include <stdlib.h>
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#include <unistd.h>
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#include <iostream>
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#include <deque>
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#include "comm/SocketComm.hpp"
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#include "comm/ExperimentData.hpp"
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#include "comm/FailControlMessage.pb.h"
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#include "config/FailConfig.hpp"
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#include "util/WallclockTimer.hpp"
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namespace fail {
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/**
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* \class JobClient
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*
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* \brief Manages communication with JobServer
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* The Minion's JobClient requests ExperimentData and returns results.
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*/
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class JobClient {
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private:
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std::string m_server;
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int m_server_port;
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struct hostent* m_server_ent;
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int m_sockfd;
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uint64_t m_server_runid;
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WallclockTimer m_job_runtime;
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double m_job_runtime_total;
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int m_job_throughput;
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int m_job_total;
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std::deque<ExperimentData*> m_parameters;
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std::deque<ExperimentData*> m_results;
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bool m_connect_failed;
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bool connectToServer();
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bool sendResultsToServer();
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FailControlMessage_Command tryToGetExperimentData(ExperimentData& exp);
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public:
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JobClient(const std::string& server = SERVER_COMM_HOSTNAME, int port = SERVER_COMM_TCP_PORT);
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~JobClient();
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/**
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* Receive experiment data set from (remote) JobServer
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* The caller (experiment developer) is responsible for
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* allocating his ExperimentData object.
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*
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* @param exp Reference to a ExperimentData object allocated by the caller!
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* @return \c true if parameter have been received and put into \c exp, \c false else.
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*/
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bool getParam(ExperimentData& exp);
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/**
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* Send back experiment result to the (remote) JobServer
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* The caller (experiment developer) is responsible for
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* destroying his ExperimentData object afterwards.
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*
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* @param result Reference to the ExperimentData holding result values
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* @return \c true Result successfully sent, \c false else.
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*/
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bool sendResult(ExperimentData& result);
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/**
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* Return the number of undone jobs that have already been fetched from the server.
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*
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* @return the number of undone jobs.
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*/
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int getNumberOfUndoneJobs() { return m_parameters.size(); }
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};
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} // end-of-namespace: fail
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#endif // __JOB_CLIENT_H__
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