7513dacad1
A campaign server now tells all clients a unique run ID (the UNIX timestamp when it was started). This allows us to ignore results from "old" clients that talked to another server before, and to tell them to die. git-svn-id: https://www4.informatik.uni-erlangen.de/i4svn/danceos/trunk/devel/fail@1677 8c4709b5-6ec9-48aa-a5cd-a96041d1645a
59 lines
1.5 KiB
C++
59 lines
1.5 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 "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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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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bool connectToServer();
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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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/**
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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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} // end-of-namespace: fail
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#endif // __JOB_CLIENT_H__
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