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agomez |
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#include "slavecommunication.h" |
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#include "gadget.h" |
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SlaveCommunication::SlaveCommunication()
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{
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MAXWAIT = 30;
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pvmConst = new PVMConstants();
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typeReceived = -1;
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parenttid = -1;
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mytid = -1;
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myID = -1;
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numVar = 0;
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netDataVar = NULL;
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tmout.tv_sec = MAXWAIT;
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tmout.tv_usec = 0;
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}
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SlaveCommunication::~SlaveCommunication()
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{
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delete pvmConst;
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if (netDataVar != NULL)
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{
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delete netDataVar;
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netDataVar = NULL;
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}
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}
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void SlaveCommunication::printErrorMsg(const char* errorMsg)
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{
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/*
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Laga þetta þegar ég fer að pæla í error handler...
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*/
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char* msg;
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msg = new char[strlen(errorMsg) + 1];
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strcpy(msg, errorMsg);
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//Prófum þetta hér, var notað pvm_perror sem skrifar villuna sem síðasta pvm kallið olli.
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std::cout << msg << "\n";
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cerr << msg;
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delete[] msg;
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}
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int SlaveCommunication::startNetCommunication()
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{
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/*
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Þetta fall er komið í bili!
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*/
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int info, bytes, type, source;
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int OK = 1;
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int bufID = 0;
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//enroll in pvm and get identity of process for myself
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MPI_Init(NULL,NULL);
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MPI_Comm parentcomm;
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MPI_Status status;
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MPI_Comm_get_parent(&parentcomm);
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if (parentcomm == MPI_COMM_NULL)
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{
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printErrorMsg("Error in slavecommunication - process has not been spawned");
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return 0;
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}
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int flag;
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// Þetta þarf að vera gert með timeout, prófum venjulegt blocking probe:
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//MPI_Iprobe(0, MPI_ANY_TAG, parentcomm, &flag,&status);
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MPI_Probe(0, MPI_ANY_TAG, parentcomm,&status);
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//if(flag == true)
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//{
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if (status.MPI_TAG == pvmConst->getStopTag())
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{
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int stopMessage;
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MPI_Recv(&stopMessage, 1, MPI_INT, 0, MPI_ANY_TAG, parentcomm, &status);
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typeReceived = pvmConst->getStopTag();
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return !OK;
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}
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else if (status.MPI_TAG == pvmConst->getStartTag())
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{
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MPI_Recv(&numVar, 1, MPI_INT, 0, MPI_ANY_TAG, parentcomm, &status);
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if (numVar <= 0)
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{
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cerr << "Error in slavecommunication - number of variables received from master is less than zero\n";
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return !OK;
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}
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MPI_Recv(&myID, 1, MPI_INT, 0, MPI_ANY_TAG, parentcomm, &status);
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if (myID < 0)
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{
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cerr << "Error in slavecommunication - received invalid id of " << myID << endl;
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return !OK;
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}
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netDataVar = new NetDataVariables(numVar);
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typeReceived = pvmConst->getStartTag();
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return numVar;
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}
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else
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{
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cerr << "Error in slavecommunication - received unrecognised tag of type " << status.MPI_TAG << endl;
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return !OK;
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}
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//}
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//else
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//{
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// cerr << "Error in slavecommunication - non-blocking-probe fail" << endl;
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// return !OK;
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//}
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}
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void SlaveCommunication::stopNetCommunication()
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{
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MPI_Finalize();
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}
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int SlaveCommunication::sendToMaster(double res)
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{
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int info;
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assert(netDataVar != NULL);
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if (netDataVar->x_id < 0 || netDataVar->tag < 0)
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{
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printErrorMsg("Error in slavecommunication - invalid id received\n");
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return 0;
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}
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else if (myID < 0)
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{
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printErrorMsg("Error in slavecommunication - invalid id received\n");
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return 0;
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}
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else
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{
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//cout << "Slave að skrifa result: " << res << "\n";
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NetDataResult* sendData = new NetDataResult;
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sendData->who = myID;
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sendData->result = res;
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sendData->x_id = netDataVar->x_id;
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sendData->tag = netDataVar->tag;
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info = send(sendData);
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delete sendData;
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if (info > 0)
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{
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netDataVar->tag = -1;
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netDataVar->x_id = -1;
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return 1;
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}
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else
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return 0;
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}
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return 0;
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}
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int SlaveCommunication::send(NetDataResult* sendData)
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{
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int info;
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MPI_Comm parentcomm;
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//cout << "Slave að skrifa result: " << sendData->result << "\n";
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MPI_Comm_get_parent(&parentcomm);
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MPI_Send(&sendData->tag,1,MPI_INT, 0, pvmConst->getMasterReceiveDataTag(),parentcomm);
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MPI_Send(&sendData->result,1,MPI_DOUBLE, 0, pvmConst->getMasterReceiveDataTag(),parentcomm);
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MPI_Send(&sendData->who,1,MPI_INT, 0, pvmConst->getMasterReceiveDataTag(),parentcomm);
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MPI_Send(&sendData->x_id,1,MPI_INT, 0, pvmConst->getMasterReceiveDataTag(),parentcomm);
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return 1;
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}
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int SlaveCommunication::receiveFromMaster()
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{
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/*
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Þetta fall er komið í bili, þarf samt að skoða með þetta TIMEOUT fall...
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*/
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int bufID = 0;
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int OK = 1;
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int info, bytes, source, type;
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typeReceived = -1;
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MPI_Status status;
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MPI_Comm parentcomm;
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MPI_Comm_get_parent(&parentcomm);
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// Hér er hægt að nota non-blocking probe til að komast eitthvað til móts við þetta timeout, hægt
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// að láta það bíða í einhvern tíma og probe-a aftur... Hérna gæti verið góð pæling að útfæra bara
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// sjálfur Timout fall sem testar á fullu í Maxwait tíma og skilar ef flag er true... Ætla að breyta
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// þessu í bili, en ræð við Bjarka upp á framhaldið...
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// Update: Þetta virkar svona, svo það er e.t.v. ekki nein ástæða til að breyta þessu.
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MPI_Probe(0, MPI_ANY_TAG, parentcomm, &status);
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//bufID = pvm_trecv(parenttid, -1, &tmout);
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if (status.MPI_TAG == pvmConst->getStopTag())
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{
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//receive information from master to quit
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int stopMessage;
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MPI_Recv(&stopMessage, 1, MPI_INT, 0, MPI_ANY_TAG, parentcomm, &status);
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typeReceived = pvmConst->getStopTag();
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return !OK;
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}
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else if (status.MPI_TAG == pvmConst->getMasterSendStringTag())
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{
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// There is an incoming message of data type stringDataVariables
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info = receiveString();
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typeReceived = pvmConst->getMasterSendStringTag();
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if (info > 0)
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return 1;
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return 0;
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}
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else if (status.MPI_TAG == pvmConst->getMasterSendBoundTag())
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{
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// There is an incoming message of data type double for the bounds
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info = receiveBound();
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typeReceived = pvmConst->getMasterSendBoundTag();
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if (info > 0)
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return 1;
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return 0;
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}
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else if (status.MPI_TAG == pvmConst->getMasterSendVarTag())
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{
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//There is an incoming message of data type NetDataVariables
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info = receive();
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if (info > 0)
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{
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typeReceived = pvmConst->getMasterSendVarTag();
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return 1;
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}
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return 0;
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}
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else
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{
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cerr << "Error in slavecommunication - received unrecognised tag of type " << type << endl;
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return !OK;
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}
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}
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int SlaveCommunication::receiveBound()
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{
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int i;
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double* temp = new double[numVar];
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MPI_Status status;
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MPI_Comm parentcomm;
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MPI_Comm_get_parent(&parentcomm);
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MPI_Recv(temp,numVar,MPI_DOUBLE,0,MPI_ANY_TAG,parentcomm,&status);
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netDataDouble.Reset();
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netDataDouble.resize(numVar, 0.0);
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for (i = 0; i < numVar; i++)
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{
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netDataDouble[i] = temp[i];
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}
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delete [] temp;
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return 1;
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}
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int SlaveCommunication::receive()
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{
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int info, i;
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MPI_Status status;
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MPI_Comm parentcomm;
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MPI_Comm_get_parent(&parentcomm);
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MPI_Recv(&netDataVar->tag,1,MPI_INT, 0,MPI_ANY_TAG, parentcomm,&status);
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MPI_Recv(&netDataVar->x_id, 1, MPI_INT, 0,MPI_ANY_TAG, parentcomm, &status);
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MPI_Recv(netDataVar->x, numVar,MPI_DOUBLE,0,MPI_ANY_TAG, parentcomm, &status);
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return 1;
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}
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int SlaveCommunication::receivedVector()
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{
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if (pvmConst->getMasterSendVarTag() == typeReceived)
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return 1;
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return 0;
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}
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// Þetta var ekki að virka rétt þar sem kallað var á þetta í Gadget.
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//void SlaveCommunication::getVector(DoubleVector& vec)
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//{
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// /*
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// Senda út villu ef þetta if condition er ekki uppfyllt... G.E.
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// */
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// int i;
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// if (vec.Size() != numVar)
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// {
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// // error....
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// }
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//
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// for (i = 0; i < numVar; i++)
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// vec[i] = netDataVar->x[i];
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//}
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void SlaveCommunication::getVector(double* vec) {
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int i;
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for (i = 0; i < numVar; i++)
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vec[i] = netDataVar->x[i];
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}
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int SlaveCommunication::getReceiveType()
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{
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return typeReceived;
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| 288 : |
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}
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| 289 : |
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int SlaveCommunication::receiveString()
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| 291 : |
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{
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| 292 : |
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int OK = 1;
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| 293 : |
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int i, info;
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| 294 : |
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char* tempString = new char[MaxStrLength + 1];
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| 295 : |
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strncpy(tempString, "", MaxStrLength);
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| 296 : |
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tempString[MaxStrLength] = '\0';
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| 297 : |
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MPI_Status status;
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| 298 : |
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MPI_Comm parentcomm;
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| 299 : |
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MPI_Comm_get_parent(&parentcomm);
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| 300 : |
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for (i = 0; i < numVar; i++)
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| 302 : |
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{
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| 303 : |
agomez |
6 |
strncpy(tempString, "\0", MaxStrLength+1);
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| 304 : |
agomez |
1 |
MPI_Recv(tempString, MaxStrLength, MPI_BYTE, 0,MPI_ANY_TAG, parentcomm, &status);
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| 305 : |
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Parameter pm(tempString);
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| 306 : |
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netDataStr.resize(pm);
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}
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| 308 : |
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delete [] tempString;
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return OK;
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| 310 : |
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}
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| 311 : |
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int SlaveCommunication::receivedString()
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| 313 : |
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{
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| 314 : |
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if (pvmConst->getMasterSendStringTag() == typeReceived)
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| 315 : |
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return 1;
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| 316 : |
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return 0;
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| 317 : |
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}
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| 318 : |
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int SlaveCommunication::receivedBounds()
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| 320 : |
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{
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| 321 : |
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if (pvmConst->getMasterSendBoundTag() == typeReceived)
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| 322 : |
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return 1;
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| 323 : |
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return 0;
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| 324 : |
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}
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| 325 : |
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| 326 : |
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const ParameterVector& SlaveCommunication::getStringVector()
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| 327 : |
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{
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| 328 : |
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return netDataStr;
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| 329 : |
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}
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| 330 : |
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| 331 : |
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const Parameter& SlaveCommunication::getString(int num)
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| 332 : |
|
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{
|
| 333 : |
|
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assert(num >= 0);
|
| 334 : |
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assert(netDataStr.Size() == numVar);
|
| 335 : |
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return netDataStr[num];
|
| 336 : |
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}
|
| 337 : |
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|
| 338 : |
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// Þetta var ekki að virka rétt þar sem kallað var á þetta í Gadget.
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| 339 : |
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//void SlaveCommunication::getBound(DoubleVector& vec)
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| 340 : |
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//{
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| 341 : |
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// int i;
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| 342 : |
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// if (vec.Size() != numVar)
|
| 343 : |
|
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// // errror...
|
| 344 : |
|
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// /*
|
| 345 : |
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// for (i = 0; i < numVar; i++)
|
| 346 : |
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// vec[i] = netDataDouble[i];
|
| 347 : |
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// */
|
| 348 : |
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// vec = netDataDouble;
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| 349 : |
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//}
|
| 350 : |
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|
| 351 : |
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void SlaveCommunication::getBound(double* vec) {
|
| 352 : |
|
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int i;
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| 353 : |
|
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for (i = 0; i < numVar; i++)
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| 354 : |
|
|
vec[i] = netDataDouble[i];
|
| 355 : |
agomez |
6 |
}
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