mirror of
https://github.com/slsdetectorgroup/slsDetectorPackage.git
synced 2025-04-22 14:38:14 +02:00
02376bbc62
git-svn-id: file:///afs/psi.ch/project/sls_det_software/svn/slsDetectorSoftware@505 951219d9-93cf-4727-9268-0efd64621fa3
592 lines
13 KiB
C++
592 lines
13 KiB
C++
#ifdef SLS_RECEIVER_FUNCTION_LIST
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/********************************************//**
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* @file slsReceiverFunctionList.cpp
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* @short does all the functions for a receiver, set/get parameters, start/stop etc.
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***********************************************/
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#include "slsReceiverFunctionList.h"
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#ifdef TESTWRITE
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#include "usersFunctions.h"
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#endif
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#ifdef UHRIXCALLBACK
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#include "UHRIXCallback.h"
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#endif
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#include <signal.h> // SIGINT
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#include <sys/stat.h> // stat
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#include <sys/socket.h> // socket(), bind(), listen(), accept(), shut down
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#include <arpa/inet.h> // sock_addr_in, htonl, INADDR_ANY
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#include <stdlib.h> // exit()
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#include <iomanip> //set precision
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#include <string.h>
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#include <iostream>
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using namespace std;
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FILE* slsReceiverFunctionList::sfilefd(NULL);
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int slsReceiverFunctionList::listening_thread_running(0);
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slsReceiverFunctionList::slsReceiverFunctionList():
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maxFramesPerFile(MAX_FRAMES),
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enableFileWrite(1),
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fileIndex(0),
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frameIndexNeeded(0),
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framesCaught(0),
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startFrameIndex(-1),
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frameIndex(0),
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totalFramesCaught(0),
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startAcquisitionIndex(-1),
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acquisitionIndex(0),
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framesInFile(0),
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prevframenum(0),
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status(IDLE),
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latestData(NULL),/**?*/
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udpSocket(NULL),
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server_port(DEFAULT_UDP_PORTNO),
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fifo(NULL),
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shortFrame(-1),
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bufferSize(BUFFER_SIZE),
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packetsPerFrame(2),
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guiDataReady(0),
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guiData(NULL),
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guiFileName(NULL),
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currframenum(0),
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writeReceiverData(0),
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pwriteReceiverDataArg(0),
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startAcquisitionCallBack(NULL),
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pStartAcquisition(NULL),
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acquisitionFinishedCallBack(NULL),
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pAcquisitionFinished(NULL),
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rawDataReadyCallBack(NULL),
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pRawDataReady(NULL)
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{
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strcpy(savefilename,"");
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strcpy(filePath,"");
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strcpy(fileName,"run");
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guiFileName = new char[MAX_STR_LENGTH];
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eth = new char[MAX_STR_LENGTH];
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strcpy(eth,"");
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latestData = new char[bufferSize];
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fifofree = new CircularFifo<char,FIFO_SIZE>();
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fifo = new CircularFifo<char,FIFO_SIZE>();
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mem0=(char*)malloc(4096*FIFO_SIZE);
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if (mem0==NULL) {
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cout<<"++++++++++++++++++++++ COULD NOT ALLOCATE MEMORY!!!!!!!+++++++++++++++++++++" << endl;
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}
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buffer=mem0;
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while (buffer<(mem0+4096*(FIFO_SIZE-1))) {
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fifofree->push(buffer);
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buffer+=4096;
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}
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#ifdef TESTWRITE
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//to test write receiver data call back
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registerWriteReceiverDataCallback(&defaultWriteReceiverDataFunc, NULL);
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#endif
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#ifdef UHRIXCALLBACK
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registerWriteReceiverDataCallback(&UHRIXCallbackDataFunc, latestData);
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#endif
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}
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int slsReceiverFunctionList::setEnableFileWrite(int i){
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if(i!=-1)
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enableFileWrite=i;
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return enableFileWrite;
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}
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void slsReceiverFunctionList::setEthernetInterface(char* c){
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strcpy(eth,c);
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}
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int slsReceiverFunctionList::getFrameIndex(){
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if(startFrameIndex==-1)
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frameIndex=0;
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else
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frameIndex=(currframenum - startFrameIndex)/packetsPerFrame;
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return frameIndex;
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}
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int slsReceiverFunctionList::getAcquisitionIndex(){
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if(startAcquisitionIndex==-1)
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acquisitionIndex=0;
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else
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acquisitionIndex=(currframenum - startAcquisitionIndex)/packetsPerFrame;
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return acquisitionIndex;
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}
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char* slsReceiverFunctionList::setFileName(char c[]){
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if(strlen(c))
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strcpy(fileName,c);
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return getFileName();
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}
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char* slsReceiverFunctionList::setFilePath(char c[]){
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if(strlen(c)){
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//check if filepath exists
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struct stat st;
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if(stat(c,&st) == 0)
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strcpy(filePath,c);
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else{
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strcpy(filePath,"");
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cout<<"FilePath does not exist:"<<filePath<<endl;
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}
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}
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return getFilePath();
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}
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int slsReceiverFunctionList::setFileIndex(int i){
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if(i>=0)
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fileIndex = i;
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return getFileIndex();
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}
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void slsReceiverFunctionList::resetTotalFramesCaught(){
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startAcquisitionIndex = -1;
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totalFramesCaught = 0;
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}
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int slsReceiverFunctionList::startReceiver(){
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#ifdef VERBOSE
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cout << "Starting Receiver" << endl;
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#endif
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cout << endl;
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int err = 0;
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if(!listening_thread_running){
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#ifdef VERBOSE
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cout << "Starting new acquisition threadddd ...." << endl;
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#endif
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listening_thread_running=1;
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// creating writing thread
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err = pthread_create(&writing_thread, NULL,startWritingThread, (void*) this);
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if(err){
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listening_thread_running=0;
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status = IDLE;
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cout << "Cant create writing thread. Status:" << status << endl << endl;
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return FAIL;
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}
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#ifdef VERBOSE
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cout << "Writing thread created successfully." << endl;
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#endif
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// creating listenign thread
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err = 0;
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err = pthread_create(&listening_thread, NULL,startListeningThread, (void*) this);
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if(err){
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listening_thread_running=0;
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status = IDLE;
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//stop writing thread
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pthread_join(writing_thread,NULL);
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cout << endl << "Cant create listening thread. Status:" << status << endl << endl;
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return FAIL;
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}
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while(status!=RUNNING);
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#ifdef VERBOSE
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cout << "Listening thread created successfully." << endl;
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#endif
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cout << "Threads created successfully." << endl;
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struct sched_param tcp_param, listen_param, write_param;
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int policy= SCHED_RR;
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tcp_param.sched_priority = 50;
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listen_param.sched_priority = 99;
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write_param.sched_priority = 90;
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if (pthread_setschedparam(listening_thread, policy, &listen_param) == EPERM)
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cout << "ERROR: Could not prioritize threads. You need to be super user for that." << endl;
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if (pthread_setschedparam(writing_thread, policy, &write_param) == EPERM)
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cout << "ERROR: Could not prioritize threads. You need to be super user for that." << endl;
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if (pthread_setschedparam(pthread_self(), policy, &tcp_param) == EPERM)
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cout << "ERROR: Could not prioritize threads. You need to be super user for that." << endl;
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pthread_getschedparam(listening_thread,&policy,&tcp_param);
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cout << "current priority of main tcp thread is " << tcp_param.sched_priority << endl;
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}
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return OK;
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}
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int slsReceiverFunctionList::stopReceiver(){
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#ifdef VERBOSE
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cout << "Stopping Receiver" << endl;
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#endif
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if(listening_thread_running){
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#ifdef VERBOSE
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cout << "Stopping new acquisition threadddd ...." << endl;
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#endif
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//stop listening thread
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listening_thread_running=0;
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udpSocket->ShutDownSocket();
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pthread_join(listening_thread,NULL);
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status = IDLE;
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//stop writing thread
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pthread_join(writing_thread,NULL);
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}
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cout << "Receiver Stoppped.\nStatus:" << status << endl;
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return OK;
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}
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void* slsReceiverFunctionList::startListeningThread(void* this_pointer){
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((slsReceiverFunctionList*)this_pointer)->startListening();
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return this_pointer;
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}
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int slsReceiverFunctionList::startListening(){
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#ifdef VERYVERBOSE
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cout << "In startListening()\n");
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#endif
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int rc;
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startFrameIndex=-1;
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// A do/while(FALSE) loop is used to make error cleanup easier. The
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// close() of each of the socket descriptors is only done once at the
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// very end of the program.
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do {
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if (strchr(eth,'.')!=NULL) strcpy(eth,"");
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if(!strlen(eth)){
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cout<<"warning:eth is empty.listening to all"<<endl;
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udpSocket = new genericSocket(server_port,genericSocket::UDP,bufferSize/packetsPerFrame,packetsPerFrame);
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}else{
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cout<<"eth:"<<eth<<endl;
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udpSocket = new genericSocket(server_port,genericSocket::UDP,bufferSize/packetsPerFrame,packetsPerFrame,eth);
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}
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if (udpSocket->getErrorStatus()){
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#ifdef VERBOSE
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std::cout<< "Could not create UDP socket "<< server_port << std::endl;
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#endif
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break;
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}
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while (listening_thread_running) {
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status = RUNNING;
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if (!fifofree->isEmpty()) {
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fifofree->pop(buffer);
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//receiver 2 half frames
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rc = udpSocket->ReceiveDataOnly(buffer,bufferSize);//sizeof(buffer));
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if( rc < 0)
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cerr << "recvfrom() failed" << endl;
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//start for each scan
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if(startFrameIndex==-1){
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startFrameIndex=(int)(*((int*)buffer))-packetsPerFrame;
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//cout<<"startFrameIndex:"<<startFrameIndex<<endl;
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prevframenum=startFrameIndex;
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}
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//start of acquisition
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if(startAcquisitionIndex==-1){
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startAcquisitionIndex=startFrameIndex;
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currframenum =startAcquisitionIndex;
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cout<<"startAcquisitionIndex:"<<startAcquisitionIndex<<endl;
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}
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//so that it doesnt write the last frame twice
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if(listening_thread_running){
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//s.assign(buffer);
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if(fifo->isFull())
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;//cout<<"**********************FIFO FULLLLLLLL************************"<<endl;
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else{
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//cout<<"read index:"<<dec<<(int)(*(int*)buffer)<<endl;
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fifo->push(buffer);
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}
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}
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}
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}
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} while (listening_thread_running);
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listening_thread_running=0;
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status = IDLE;
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//Close down any open socket descriptors
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udpSocket->Disconnect();
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#ifdef VERBOSE
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cout << "listening_thread_running:" << listening_thread_running << endl;
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#endif
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return 0;
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}
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void* slsReceiverFunctionList::startWritingThread(void* this_pointer){
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((slsReceiverFunctionList*)this_pointer)->startWriting();
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return this_pointer;
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}
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int slsReceiverFunctionList::startWriting(){
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#ifdef VERYVERBOSE
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cout << "In startWriting()" <<endl;
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#endif
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char *wbuf;
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int sleepnumber=0;
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framesInFile=0;
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framesCaught=0;
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frameIndex=0;
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if(sfilefd) sfilefd=0;
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strcpy(savefilename,"");
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cout << "Max Frames Per File:" << maxFramesPerFile << endl;
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if (writeReceiverData)
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cout << "Note: Data Write has been defined exernally" << endl;
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cout << "Ready!" << endl;
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//by default, we read/write everything
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cbAction=2;
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//acquisition start
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if (startAcquisitionCallBack)
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cbAction=startAcquisitionCallBack(filePath,fileName,fileIndex,bufferSize,pStartAcquisition);
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if(enableFileWrite==0 || cbAction==0)
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cout << endl << "Note: Data will not be saved" << endl;
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//create file name
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if(frameIndexNeeded==-1) sprintf(savefilename, "%s/%s_%d.raw", filePath,fileName,fileIndex);
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else sprintf(savefilename, "%s/%s_f%012d_%d.raw", filePath,fileName,framesCaught,fileIndex);
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//start writing
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if(enableFileWrite || cbAction>0){
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sfilefd = fopen((const char *) (savefilename), "w");
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cout << savefilename << endl;
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}
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while(listening_thread_running || (!fifo->isEmpty())){
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//when it reaches maxFramesPerFile,start writing new file
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if (framesInFile == maxFramesPerFile) {
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//create file name
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if(frameIndexNeeded==-1) sprintf(savefilename, "%s/%s_%d.raw", filePath,fileName,fileIndex);
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else sprintf(savefilename, "%s/%s_f%012d_%d.raw", filePath,fileName,framesCaught,fileIndex);
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//start writing in new file
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if(enableFileWrite || cbAction>0){
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fclose(sfilefd);
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sfilefd = fopen((const char *) (savefilename), "w");
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}
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//currframenum=(int)(*((int*)latestData));
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cout << savefilename << "\tpacket loss " << fixed << setprecision(4) << ((currframenum-prevframenum-(packetsPerFrame*framesInFile))/(double)(packetsPerFrame*framesInFile))*100.000 << "%\t\t"
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"framenum " << currframenum << "\t\t"
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"p " << prevframenum << endl;
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prevframenum=currframenum;
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framesInFile = 0;
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}
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//actual writing from fifo
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if(!fifo->isEmpty()){
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if(fifo->pop(wbuf)){
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framesCaught++;
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totalFramesCaught++;
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currframenum = (int)(*((int*)wbuf));
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//write data
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if(enableFileWrite){
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if (writeReceiverData) {
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writeReceiverData(wbuf,bufferSize, sfilefd, pwriteReceiverDataArg);
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}
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if (cbAction<2) {
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rawDataReadyCallBack(currframenum, wbuf,sfilefd, guiData,pRawDataReady);
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} else {
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if(sfilefd)
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fwrite(wbuf, 1, bufferSize, sfilefd);
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else
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cout << "You do not have permissions to overwrite: " << savefilename << endl;
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}
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}
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//copies gui data and sets/resets guiDataReady
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if(guiData){
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//if (cbAction>=2)
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memcpy(latestData,wbuf,bufferSize);
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strcpy(guiFileName,savefilename);
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guiDataReady=1;
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}else
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guiDataReady=0;
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framesInFile++;
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// delete [] dataWriteFrame->buffer;
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fifofree->push(wbuf);
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}
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// delete dataWriteFrame;
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}
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else{
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sleepnumber++;
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usleep(50000);
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}
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}
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cout << "Total Frames Caught:"<< totalFramesCaught << endl;
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//close file
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if(sfilefd) fclose(sfilefd);
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#ifdef VERBOSE
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cout << "sfield:" << (int)sfilefd << endl;
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#endif
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//acquistion over
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if (acquisitionFinishedCallBack)
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acquisitionFinishedCallBack(totalFramesCaught, pAcquisitionFinished);
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return 0;
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}
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void slsReceiverFunctionList::readFrame(char* c,char** raw){
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//point to gui data
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if (guiData == NULL){
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guiData = latestData;
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}else
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cout<<"gui data was not null" << endl;
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//wait for gui data to be ready, not indefinitely
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for(int i=0;i<10;i++){
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if(!guiDataReady)
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usleep(100000);
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else
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break;
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}
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//could not get gui data
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if(!guiDataReady)
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guiData = NULL;
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//copy data and filename
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if(guiFileName)
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strcpy(c,guiFileName);
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else
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strcpy(c,"");
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*raw = guiData;
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guiData = NULL;
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}
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int slsReceiverFunctionList::setShortFrame(int i){
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shortFrame=i;
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if(shortFrame!=-1){
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bufferSize = SHORT_BUFFER_SIZE;
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maxFramesPerFile = SHORT_MAX_FRAMES;
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packetsPerFrame = 1;
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}else{
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bufferSize = BUFFER_SIZE;
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maxFramesPerFile = MAX_FRAMES;
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packetsPerFrame = 2;
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}
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return shortFrame;
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}
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#endif
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