2017-03-09 13:28:03 +01:00

350 lines
8.4 KiB
C++

/************************************************
* @file DataStreamer.h
* @short streams data from receiver via ZMQ
***********************************************/
#include "DataStreamer.h"
#include "GeneralData.h"
#include "Fifo.h"
#include "ZmqSocket.h"
#include <iostream>
#include <errno.h>
using namespace std;
const string DataStreamer::TypeName = "DataStreamer";
int DataStreamer::NumberofDataStreamers(0);
uint64_t DataStreamer::ErrorMask(0x0);
uint64_t DataStreamer::RunningMask(0x0);
pthread_mutex_t DataStreamer::Mutex = PTHREAD_MUTEX_INITIALIZER;
const char* DataStreamer::jsonHeaderFormat_part1 =
"{"
"\"version\":%.1f, "
"\"type\":\"%s\", "
"\"shape\":[%d, %d], ";
const char* DataStreamer::jsonHeaderFormat =
"%s"
"\"acqIndex\":%llu, "
"\"fIndex\":%llu, "
"\"subfnum\":%u, "
"\"fname\":\"%s\"}";
DataStreamer::DataStreamer(Fifo*& f, uint32_t* dr, uint32_t* freq, uint32_t* timer, int* sEnable) :
ThreadObject(NumberofDataStreamers),
generalData(0),
fifo(f),
zmqSocket(0),
dynamicRange(dr),
shortFrameEnable(sEnable),
streamingFrequency(freq),
streamingTimerInMs(timer),
currentFreqCount(0),
currentHeader(0),
acquisitionStartedFlag(false),
measurementStartedFlag(false),
firstAcquisitionIndex(0),
firstMeasurementIndex(0),
completeBuffer(0)
{
if(ThreadObject::CreateThread()){
pthread_mutex_lock(&Mutex);
ErrorMask ^= (1<<index);
pthread_mutex_unlock(&Mutex);
}
NumberofDataStreamers++;
FILE_LOG (logDEBUG) << "Number of DataStreamers: " << NumberofDataStreamers;
memset((void*)&timerBegin, 0, sizeof(timespec));
currentHeader = new char[255];
strcpy(fileNametoStream, "");
}
DataStreamer::~DataStreamer() {
CloseZmqSocket();
if (currentHeader) delete currentHeader;
if (completeBuffer) delete completeBuffer;
ThreadObject::DestroyThread();
NumberofDataStreamers--;
}
/** static functions */
uint64_t DataStreamer::GetErrorMask() {
return ErrorMask;
}
uint64_t DataStreamer::GetRunningMask() {
return RunningMask;
}
void DataStreamer::ResetRunningMask() {
RunningMask = 0x0;
}
/** non static functions */
/** getters */
string DataStreamer::GetType(){
return TypeName;
}
bool DataStreamer::IsRunning() {
return ((1 << index) & RunningMask);
}
/** setters */
void DataStreamer::StartRunning() {
pthread_mutex_lock(&Mutex);
RunningMask |= (1<<index);
pthread_mutex_unlock(&Mutex);
}
void DataStreamer::StopRunning() {
pthread_mutex_lock(&Mutex);
RunningMask ^= (1<<index);
pthread_mutex_unlock(&Mutex);
}
void DataStreamer::SetFifo(Fifo*& f) {
fifo = f;
}
void DataStreamer::ResetParametersforNewAcquisition() {
firstAcquisitionIndex = 0;
acquisitionStartedFlag = false;
}
void DataStreamer::ResetParametersforNewMeasurement(char* fname){
firstMeasurementIndex = 0;
measurementStartedFlag = false;
strcpy(fileNametoStream, fname);
if (completeBuffer) {
delete completeBuffer;
completeBuffer = 0;
}
if (*shortFrameEnable >= 0) {
completeBuffer = new char[generalData->imageSize_Streamer];
memset(completeBuffer, 0, generalData->imageSize_Streamer);
}
CreateHeaderPart1();
}
void DataStreamer::CreateHeaderPart1() {
char type[10] = "";
switch (*dynamicRange) {
case 4: strcpy(type, "uint4"); break;
case 8: strcpy(type, "uint8"); break;
case 16: strcpy(type, "uint16"); break;
case 32: strcpy(type, "uint32"); break;
default:
strcpy(type, "unknown");
cprintf(RED," Unknown datatype in json format %d\n", *dynamicRange);
break;
}
sprintf(currentHeader, jsonHeaderFormat_part1,
STREAMER_VERSION, type, generalData->nPixelsX_Streamer, generalData->nPixelsY_Streamer);
#ifdef VERBOSE
cprintf(BLUE, "%d currentheader: %s\n", index, currentHeader);
#endif
}
void DataStreamer::RecordFirstIndices(uint64_t fnum) {
measurementStartedFlag = true;
firstMeasurementIndex = fnum;
//start of entire acquisition
if (!acquisitionStartedFlag) {
acquisitionStartedFlag = true;
firstAcquisitionIndex = fnum;
}
#ifdef VERBOSE
cprintf(BLUE,"%d First Acquisition Index:%lld\tFirst Measurement Index:%lld\n",
index, (long long int)firstAcquisitionIndex, (long long int)firstMeasurementIndex);
#endif
}
void DataStreamer::SetGeneralData(GeneralData* g) {
generalData = g;
#ifdef VERY_VERBOSE
generalData->Print();
#endif
}
int DataStreamer::SetThreadPriority(int priority) {
struct sched_param param;
param.sched_priority = priority;
if (pthread_setschedparam(thread, SCHED_RR, &param) == EPERM)
return FAIL;
return OK;
}
int DataStreamer::CreateZmqSockets(int* dindex, int* nunits) {
uint32_t portnum = DEFAULT_ZMQ_PORTNO + ((*dindex) * (*nunits) + index);
zmqSocket = new ZmqSocket(portnum);
if (zmqSocket->IsError()) {
cprintf(RED, "Error: Could not create Zmq socket on port %d for Streamer %d\n", portnum, index);
return FAIL;
}
printf("%d Streamer: Zmq Server started at %s\n",index, zmqSocket->GetZmqServerAddress());
return OK;
}
void DataStreamer::CloseZmqSocket() {
if (zmqSocket) {
delete zmqSocket;
zmqSocket = 0;
}
}
void DataStreamer::ThreadExecution() {
char* buffer=0;
fifo->PopAddressToStream(buffer);
#ifdef FIFODEBUG
if (!index) cprintf(BLUE,"DataProcessor %d, pop 0x%p buffer:%s\n", index,(void*)(buffer),buffer);
#endif
//check dummy
uint32_t numBytes = (uint32_t)(*((uint32_t*)buffer));
if (numBytes == DUMMY_PACKET_VALUE) {
StopProcessing(buffer);
return;
}
ProcessAnImage(buffer + FIFO_HEADER_NUMBYTES);
//free
fifo->FreeAddress(buffer);
}
void DataStreamer::StopProcessing(char* buf) {
//send dummy header and data
if (!SendHeader(0, true))
cprintf(RED,"Error: Could not send zmq dummy header for streamer %d\n", index);
if (!zmqSocket->SendData((char*)DUMMY_MSG, DUMMY_MSG_SIZE))
cprintf(RED,"Error: Could not send zmq dummy message for streamer %d\n", index);
fifo->FreeAddress(buf);
StopRunning();
#ifdef VERBOSE
printf("%d: Streaming Completed\n", index);
#endif
}
void DataStreamer::ProcessAnImage(char* buf) {
uint64_t fnum = (*((uint64_t*)buf));
uint32_t snum = (*((uint32_t*)(buf + FILE_FRAME_HDR_FNUM_SIZE)));
#ifdef VERBOSE
if (!index) cprintf(MAGENTA,"DataStreamer %d: fnum:%lld\n", index, (long long int)fnum);
#endif
if (!measurementStartedFlag) {
#ifdef VERBOSE
if (!index) cprintf(MAGENTA,"DataStreamer %d: fnum:%lld\n", index, (long long int)fnum);
#endif
RecordFirstIndices(fnum);
//restart timer
clock_gettime(CLOCK_REALTIME, &timerBegin);
//to send first image
currentFreqCount = *streamingFrequency;
}
//skip
if (!(*streamingFrequency)) {
if (!CheckTimer())
return;
} else {
if (!CheckCount())
return;
}
if (!SendHeader(fnum, snum))
cprintf(RED,"Error: Could not send zmq header for fnum %lld and streamer %d\n",
(long long int) fnum, index);
//shortframe gotthard - data sending
if (completeBuffer) {
memcpy(completeBuffer + ((generalData->imageSize)**shortFrameEnable), buf + FILE_FRAME_HEADER_SIZE, generalData->imageSize);
if (!zmqSocket->SendData(completeBuffer, generalData->imageSize_Streamer))
cprintf(RED,"Error: Could not send zmq data for fnum %lld and streamer %d\n",
(long long int) fnum, index);
}
//normal - data sending
else {
if (!zmqSocket->SendData(buf + FILE_FRAME_HEADER_SIZE, generalData->imageSize))
cprintf(RED,"Error: Could not send zmq data for fnum %lld and streamer %d\n",
(long long int) fnum, index);
}
}
bool DataStreamer::CheckTimer() {
struct timespec end;
clock_gettime(CLOCK_REALTIME, &end);
#ifdef VERBOSE
cprintf(BLUE,"%d Timer elapsed time:%f seconds\n", index, ( end.tv_sec - timerBegin.tv_sec ) + ( end.tv_nsec - timerBegin.tv_nsec ) / 1000000000.0);
#endif
//still less than streaming timer, keep waiting
if((( end.tv_sec - timerBegin.tv_sec ) + ( end.tv_nsec - timerBegin.tv_nsec ) / 1000000000.0) < (*streamingTimerInMs/1000))
return false;
//restart timer
clock_gettime(CLOCK_REALTIME, &timerBegin);
return true;
}
bool DataStreamer::CheckCount() {
if (currentFreqCount == *streamingFrequency ) {
currentFreqCount = 1;
return true;
}
currentFreqCount++;
return false;
}
int DataStreamer::SendHeader(uint64_t fnum, uint32_t snum, bool dummy) {
uint64_t frameIndex = -1;
uint64_t acquisitionIndex = -1;
uint32_t subframeIndex = -1;
char buf[1000] = "";
if (!dummy) {
frameIndex = fnum - firstMeasurementIndex;
acquisitionIndex = fnum - firstAcquisitionIndex;
subframeIndex = snum;
}
int len = sprintf(buf, jsonHeaderFormat, currentHeader, acquisitionIndex, frameIndex, subframeIndex, fileNametoStream);
#ifdef VERBOSE
printf("%d Streamer: buf:%s\n", index, buf);
#endif
return zmqSocket->SendHeaderData(buf, len);
}