started the basics for sending every nth frame from receiver to gui.incomplete and will be implemented later

git-svn-id: file:///afs/psi.ch/project/sls_det_software/svn/slsDetectorSoftware@506 951219d9-93cf-4727-9268-0efd64621fa3

slsDetectorSoftware/slsReceiver/slsReceiverFunctionList.cpp

@@ -56,6 +56,7 @@ slsReceiverFunctionList::slsReceiverFunctionList():
 						guiData(NULL),
 						guiFileName(NULL),
 						currframenum(0),
+						nFrameToGui(0),
 						writeReceiverData(0),
 						pwriteReceiverDataArg(0),
 						startAcquisitionCallBack(NULL),
@@ -410,6 +411,9 @@ int slsReceiverFunctionList::startWriting(){
 	cout << "Max Frames Per File:" << maxFramesPerFile << endl;
 	if (writeReceiverData)
 		cout << "Note: Data Write has been defined exernally" << endl;
+	if(nFrameToGui)
+		cout << " Not implemented yet: Sending every " << nFrameToGui << "th frame to gui" <<  endl;
+
 	cout << "Ready!" << endl;
 
 	//by default, we read/write everything
@@ -485,12 +489,15 @@ int slsReceiverFunctionList::startWriting(){
 					} else {
 						if(sfilefd)
 							fwrite(wbuf, 1, bufferSize, sfilefd);
-						else
+						else{
 							cout << "You do not have permissions to overwrite: " << savefilename << endl;
+							usleep(50000);
+						}
 					}
 
 				}
 
+
 				//copies gui data and sets/resets guiDataReady
 				if(guiData){
 					//if (cbAction>=2)
@@ -501,6 +508,7 @@ int slsReceiverFunctionList::startWriting(){
 					guiDataReady=0;
 
 
+
 				framesInFile++;
 				//	delete [] dataWriteFrame->buffer;
 				fifofree->push(wbuf);

slsDetectorSoftware/slsReceiver/slsReceiverFunctionList.h

@@ -13,10 +13,12 @@
 #include "genericSocket.h"
 #include "circularFifo.h"
 
+
 #include <string.h>
 #include <pthread.h>
 #include <stdio.h>
 
+
 /**
  * @short does all the functions for a receiver, set/get parameters, start/stop etc.
  */
@@ -185,6 +187,12 @@ public:
 	 */
 	int setShortFrame(int i);
 
+	/**
+	 * Set the variable to send every nth frame to gui
+	 * or if 0,send frame only upon gui request
+	 */
+	int setNFrameToGui(int i){if(i>=0) nFrameToGui = i; return nFrameToGui;};
+
 	/**
 	 * Register call back function to write receiver data
 	 */
@@ -298,6 +306,11 @@ private:
 	/** current frame number */
 	int currframenum;
 
+	/** send every nth frame to gui or only upon gui request*/
+	int nFrameToGui;
+
+
+
 	/** register for call back to get data */
 	int (*writeReceiverData)(char*,int,FILE*,void*);
 	void *pwriteReceiverDataArg;
@@ -343,6 +356,9 @@ private:
 	 * 2 we open, close, write file, callback does not do anything */
 	int cbAction;
 
+
+
+
 public:
 	/** File Descriptor */
 	static FILE *sfilefd;
@@ -350,6 +366,7 @@ public:
 	/** if the listening thread is running*/
 	static int listening_thread_running;
 
+
 	/**
 	   callback arguments are
 	   filepath
@@ -365,7 +382,6 @@ public:
 	*/
 	void registerCallBackStartAcquisition(int (*func)(char*, char*,int, int, void*),void *arg){startAcquisitionCallBack=func; pStartAcquisition=arg;};
 
-
 	/**
 	   callback argument is
 	   toatal frames caught
@@ -373,8 +389,6 @@ public:
 	*/
 	void registerCallBackAcquisitionFinished(void (*func)(int, void*),void *arg){acquisitionFinishedCallBack=func; pAcquisitionFinished=arg;};
 	
-
-
 	/**
 	  args to raw data ready callback are
 	  framenum
@@ -383,10 +397,6 @@ public:
 	  guidatapointer (NULL, no data required)
 	*/
 	void registerCallBackRawDataReady(void (*func)(int, char*, FILE*, char*, void*),void *arg){rawDataReadyCallBack=func; pRawDataReady=arg;};
-
-
-
-
 };
 
 

slsDetectorSoftware/slsReceiver/slsReceiver_funcs.cpp

@@ -181,6 +181,8 @@ int slsReceiverFuncs::function_table(){
 	flist[F_GET_FRAME_INDEX]		=	&slsReceiverFuncs::get_frame_index;
 	flist[F_RESET_FRAMES_CAUGHT]	=	&slsReceiverFuncs::reset_frames_caught;
 	flist[F_READ_FRAME]				=	&slsReceiverFuncs::read_frame;
+	flist[F_READ_ALL]				=  	&slsReceiverFuncs::read_all;
+	flist[F_READ_RECEIVER_FREQUENCY]= 	&slsReceiverFuncs::set_read_frequency;
 	flist[F_ENABLE_FILE_WRITE]		=	&slsReceiverFuncs::enable_file_write;
 	flist[F_GET_ID]					=	&slsReceiverFuncs::get_version;
 	flist[F_CONFIGURE_MAC]			=	&slsReceiverFuncs::set_short_frame;
@@ -860,8 +862,8 @@ int	slsReceiverFuncs::read_frame(){
 				count++;
 			}
 
-			if ((count==20) || (count == -1)){
-				if (count == -20)
+			if ((count==10) || (count == -1)){
+				if (count == -10)
 					cout << "same type: index:" << index << "\tindex2:" << index2 << endl;
 				else
 					cout << "no data to read for gui" << endl;
@@ -914,6 +916,56 @@ int	slsReceiverFuncs::read_frame(){
 
 
 
+int slsReceiverFuncs::set_read_frequency(){
+	ret=OK;
+	int retval=-1;
+	int index;
+	strcpy(mess,"Could not set receiver read frequency\n");
+
+
+	// receive arguments
+	if(socket->ReceiveDataOnly(&index,sizeof(index)) < 0 ){
+		strcpy(mess,"Error reading from socket\n");
+		ret = FAIL;
+	}
+
+	// execute action if the arguments correctly arrived
+#ifdef SLS_RECEIVER_FUNCTION_LIST
+	if (ret==OK) {
+		if (lockStatus==1 && socket->differentClients==1){//necessary???
+			sprintf(mess,"Receiver locked by %s\n", socket->lastClientIP);
+			ret=FAIL;
+		}
+		else
+			retval=slsReceiverList->setNFrameToGui(index);
+	}
+
+#endif
+
+	if(ret==OK && socket->differentClients){
+		cout << "Force update" << endl;
+		ret=FORCE_UPDATE;
+	}
+
+	// send answer
+	socket->SendDataOnly(&ret,sizeof(ret));
+	if(ret==FAIL)
+		socket->SendDataOnly(mess,sizeof(mess));
+	socket->SendDataOnly(&retval,sizeof(retval));
+
+	//return ok/fail
+	return ret;
+}
+
+
+
+
+/**needs to be implemented */
+int slsReceiverFuncs::read_all(){
+	return ret;
+}
+
+
 
 
 

slsDetectorSoftware/slsReceiver/slsReceiver_funcs.h

@@ -124,6 +124,12 @@ public:
 	/** Reads Frame/ buffer */
 	int	read_frame();
 
+	/** Sets the receiver to send every nth frame to gui, or only upon gui request */
+	int set_read_frequency();
+
+	/** Reads every nth frame, sends them to gui without closing socket */
+	int read_all();
+
 	/** Enable File Write*/
 	int enable_file_write();