guiDataReady introduced so that both tcp and writing thread handshakes properly with their own variables

git-svn-id: file:///afs/psi.ch/project/sls_det_software/svn/slsDetectorSoftware@486 951219d9-93cf-4727-9268-0efd64621fa3

slsDetectorSoftware/eigerDetectorServer/slsDetectorServer_funcs.c

@@ -33,11 +33,12 @@ const enum detectorType myDetectorType=GENERIC;
 
 
 //define in communication_funcs
+/*
 extern int lockStatus;
 extern char lastClientIP[INET_ADDRSTRLEN];
 extern char thisClientIP[INET_ADDRSTRLEN];
 extern int differentClients;
-
+*/
 
 
 /* global variables for optimized readout */

slsDetectorSoftware/eigerDetectorServer/sls_detector_defs.h

@@ -536,7 +536,7 @@ enum angleConversionParameter {
 //} angleConversionConstant;
 
 
-#ifdef __cplusplus
+#ifdef MYROOT
  protected:
 #endif
 
@@ -546,7 +546,7 @@ enum angleConversionParameter {
 #include "sls_detector_funcs.h"
 #endif
 
-#ifdef __cplusplus
+#ifdef MYROOT
 };
 #endif
 ;

slsDetectorSoftware/slsReceiver/slsReceiverFunctionList.cpp

@@ -52,7 +52,9 @@ slsReceiverFunctionList::slsReceiverFunctionList():
 						shortFrame(-1),
 						bufferSize(BUFFER_SIZE),
 						packetsPerFrame(2),
-						guiRequiresData(0),
+						guiDataReady(0),
+						guiData(NULL),
+						guiFileName(NULL),
 						currframenum(0),
 						writeReceiverData(0),
 						pwriteReceiverDataArg(0),
@@ -67,15 +69,12 @@ slsReceiverFunctionList::slsReceiverFunctionList():
 	strcpy(savefilename,"");
 	strcpy(filePath,"");
 	strcpy(fileName,"run");
+	guiFileName = new char[MAX_STR_LENGTH];
 	eth = new char[MAX_STR_LENGTH];
 	strcpy(eth,"");
-	//	dataWriteFrame = new dataStruct;
+
 	latestData = new char[bufferSize];
-
-
 	fifofree = new CircularFifo<char,FIFO_SIZE>();
-
-	//	fifo = new CircularFifo<dataStruct,FIFO_SIZE>();
 	fifo = new CircularFifo<char,FIFO_SIZE>();
 
 
@@ -195,7 +194,6 @@ int slsReceiverFunctionList::startReceiver(){
 		if(err){
 			listening_thread_running=0;
 			status = IDLE;
-			//	if(fifo) delete fifo;
 			cout << "Cant create writing thread. Status:" << status << endl << endl;
 			return FAIL;
 		}
@@ -211,7 +209,6 @@ int slsReceiverFunctionList::startReceiver(){
 			status = IDLE;
 			//stop writing thread
 			pthread_join(writing_thread,NULL);
-			//	if(fifo) delete fifo;
 			cout << endl << "Cant create listening thread. Status:" << status << endl << endl;
 			return FAIL;
 		}
@@ -249,8 +246,6 @@ int slsReceiverFunctionList::stopReceiver(){
 
 		//stop writing thread
 		pthread_join(writing_thread,NULL);
-		//	if(fifo)	delete fifo;
-		//if(latestData)	delete latestData;/**new*/
 	}
 	cout << "Receiver Stoppped.\nStatus:" << status << endl;
 
@@ -396,7 +391,7 @@ int slsReceiverFunctionList::startWriting(){
 
 	// Variable and structure definitions
 	int ret,sleepnumber=0;
-	char *guiData;
+	//char *guiData;
 	//reset variables for each acquisition
 	framesInFile=0;
 	framesCaught=0;
@@ -471,11 +466,6 @@ int slsReceiverFunctionList::startWriting(){
 				framesCaught++;
 				totalFramesCaught++;
 				currframenum = (int)(*((int*)wbuf));
-				if(guiRequiresData) {
-					guiData=latestData;
-				}  else {
-					guiData=NULL;
-				}
 
 				//write data
 				if(enableFileWrite){
@@ -490,12 +480,15 @@ int slsReceiverFunctionList::startWriting(){
 
 				}
 
-				if(guiRequiresData){
+				//copies gui data and sets/resets guiDataReady
-					if (cbAction>=2)
+				if(guiData){
+					//if (cbAction>=2)
 					memcpy(latestData,wbuf,bufferSize);
-					//memcpy(latestData,wbuf,bufferSize);
+					strcpy(guiFileName,savefilename);
-					guiRequiresData=0;
+					guiDataReady=1;
-				}
+				}else
+					guiDataReady=0;
+
 
 				framesInFile++;
 				//	delete [] dataWriteFrame->buffer;
@@ -532,26 +525,31 @@ int slsReceiverFunctionList::startWriting(){
 
 
 
-char* slsReceiverFunctionList::readFrame(char* c){
+void slsReceiverFunctionList::readFrame(char* c,char** raw){
-	//ask for data
-	guiRequiresData=1;
 
-	//wait for it to be ready, not indefinitely
+	//point to gui data
-	int i=0;
+	if (guiData == NULL){
-	for(i=0;i<10;i++){
+		guiData = latestData;
-		if(guiRequiresData)
+	}else
+		cout<<"gui data was not null" << endl;
+
+	//wait for gui data to be ready, not indefinitely
+	for(int i=0;i<10;i++){
+		if(!guiDataReady)
 			usleep(100000);
 		else
 			break;
 	}
 
-	//reset it back if not already reset
+	//could not get gui data
-	guiRequiresData=0;
+	if(!guiDataReady)
+		guiData = NULL;
 
-	//if no more data //if(guiRequiresData)  //  retun NULL;
+	//copy data and filename
-	//cout<<"latestdata:"<<(int)(*(int*)latestData)<<endl;
+	strcpy(c,guiFileName);
-	strcpy(c,savefilename);
+	*raw = guiData;
-	return latestData;
+
+	guiData = NULL;
 }
 
 

slsDetectorSoftware/slsReceiver/slsReceiverFunctionList.h

@@ -173,8 +173,10 @@ public:
 
 	/**
 	 * Returns the buffer-current frame read by receiver
+	 * @param c pointer to current file name
+	 * @param raw address of pointer, pointing to current frame to send to gui
 	 */
-	char* readFrame(char* c);
+	void readFrame(char* c,char** raw);
 
 	/**
 	 * Set short frame
@@ -283,8 +285,14 @@ private:
 	/** number of packets per frame*/
 	int packetsPerFrame;
 	
-	/** gui wants data */
+	/** gui data ready */
-	int guiRequiresData;
+	int guiDataReady;
+
+	/** points to the data to send to gui */
+	char* guiData;
+
+	/** points to the filename to send to gui */
+	char* guiFileName;
 
 	/** current frame number */
 	int currframenum;
@@ -306,8 +314,6 @@ private:
 	   2 we open, close, write file, callback does not do anything
 
 	*/
-	
-
 	int (*startAcquisitionCallBack)(char*, char*,int, int, void*);
 	void *pStartAcquisition;
 
@@ -316,8 +322,6 @@ private:
 	   total frames caught
 	   
 	*/
-	
-	
 	void (*acquisitionFinishedCallBack)(int, void*);
 	void *pAcquisitionFinished;
 
@@ -329,12 +333,13 @@ private:
 	  file descriptor
 	  guidatapointer (NULL, no data required)
 	*/
-	
-
 	void (*rawDataReadyCallBack)(int, char*, FILE*, char*, void*);
 	void *pRawDataReady;
 
-
+	/** The action which decides what the user and default responsibilites to save data are
+	 * 0 raw data ready callback takes care of open,close,write file
+	 * 1 callback writes file, we have to open, close it
+	 * 2 we open, close, write file, callback does not do anything */
 	int cbAction;
 
 public:
@@ -344,11 +349,6 @@ public:
 	/** if the listening thread is running*/
 	static int listening_thread_running;
 
-
-	//	dataStruct *dataWriteFrame;
-
-
-
 	/**
 	   callback arguments are
 	   filepath
@@ -362,7 +362,6 @@ public:
 	   2 we open, close, write file, callback does not do anything
 
 	*/
-	
 	void registerCallBackStartAcquisition(int (*func)(char*, char*,int, int, void*),void *arg){startAcquisitionCallBack=func; pStartAcquisition=arg;};
 
 
@@ -371,8 +370,6 @@ public:
 	   toatal frames caught
 
 	*/
-	
-	
 	int registerCallBackAcquisitionFinished(void (*func)(int, void*),void *arg){acquisitionFinishedCallBack=func; pAcquisitionFinished=arg;};
 	
 
@@ -384,18 +381,11 @@ public:
 	  file descriptor
 	  guidatapointer (NULL, no data required)
 	*/
-	
 	int registerCallBackRawDataReady(void (*func)(int, char*, FILE*, char*, void*),void *arg){rawDataReadyCallBack=func; pRawDataReady=arg;};
 
 
 
 
-
-
-
-
-
-
 };
 
 

slsDetectorSoftware/slsReceiver/slsReceiver_funcs.cpp

@@ -799,21 +799,28 @@ int	slsReceiverFuncs::read_frame(){
 
 	//got atleast first frame, read buffer
 	if(ret==OK){
-		if(shortFrame!=-1){;
+		if(shortFrame!=-1){
 			//get frame
-			raw=slsReceiverList->readFrame(fName);
+			slsReceiverList->readFrame(fName,&raw);
+			//sending garbage values with index = -1 to try again
+			if (raw == NULL){
+				index = startIndex;
+				memcpy((((char*)retval)+(SHORT_DATABYTES*shortFrame)),((char*) origVal)+4, SHORT_DATABYTES);
+			}else{
 				index=(int)(*(int*)raw);
 				memcpy(origVal,raw,bufferSize);
 				raw=NULL;
 
 				//copy only the adc part
 				memcpy((((char*)retval)+(SHORT_DATABYTES*shortFrame)),((char*) origVal)+4, SHORT_DATABYTES);
+			}
 
 		}else{
 			//for full frames
 			while(count<20){
 				//get frame
-				raw=slsReceiverList->readFrame(fName);
+				slsReceiverList->readFrame(fName,&raw);
+				if (raw != NULL){
 					index=(int)(*(int*)raw);
 					index2= (int)(*((int*)((char*)(raw+onebuffersize))));
 					memcpy(origVal,raw,bufferSize);
@@ -840,6 +847,7 @@ int	slsReceiverFuncs::read_frame(){
 
 					}
 					strcpy(mess,"could not read frame due to more than 20 mismatched indices\n");
+				}
 				usleep(100000);
 				count++;
 			}
@@ -847,6 +855,7 @@ int	slsReceiverFuncs::read_frame(){
 			if(count==20){
 				cout << "same type: index:" << index << "\tindex2:" << index2 << endl;
 				/**send garbage with -1 index to try again*/
+				index = startIndex;
 				memcpy(retval,((char*) origVal)+4, onedatasize);
 				memcpy((((char*)retval)+onedatasize), ((char*) origVal)+10+onedatasize, onedatasize);
 			}