converted to c++

git-svn-id: file:///afs/psi.ch/project/sls_det_software/svn/slsDetectorSoftware@347 951219d9-93cf-4727-9268-0efd64621fa3
This commit is contained in:
l_maliakal_d 2012-11-19 12:41:35 +00:00
parent 58623dcd34
commit 3c94d2cb40
7 changed files with 1515 additions and 71 deletions

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@ -1,36 +1,28 @@
CFLAGS+= -Wall -DC_ONLY -DSLS_RECEIVER_FUNCTION_LIST -DGOTTHARDD #-DVERBOSE CC = g++
LDLIBS+= -lm -lstdc++ -lpthread CLAGS += -DSLS_RECEIVER_FUNCTION_LIST -DGOTTHARDD
PROGS= slsReceiver LDLIBS += -lm -lstdc++ -lpthread
INSTDIR= bin
INSTMODE= 0777
SRC_CLNT = slsReceiver.c communication_funcs.c slsReceiverFunctionList.c slsReceiver_funcs.c INCLUDES = -I ../MySocketTCP -I ../commonFiles -I .
OBJS = $(SRC_CLNT:.c=.o) SRC_CLNT = slsReceiver.cpp ../MySocketTCP/MySocketTCP.cpp slsReceiver_funcs.cpp slsReceiverFunctionList.cpp
PROGS = slsReceiver
INSTDIR = bin
INSTMODE = 0777
OBJS = $(SRC_CLNT:.cpp=.o)
all: clean $(PROGS) all: clean $(PROGS)
boot: $(OBJS) boot: $(OBJS)
#doc: $(SRC_CLNT)
# doxygen doxy.config
#%.o : %.c %.h
# $(CXX) -Wall -o $@ -c $< $(INCLUDES) $(CFLAGS) $(FLAGS) $(LDLIBS) -fPIC
$(PROGS): $(PROGS):
echo $(OBJS) echo $(OBJS)
mkdir -p $(INSTDIR) mkdir -p $(INSTDIR)
$(CC) $(SRC_CLNT) $(LDFLAGS) $(LDLIBS) $(CFLAGS) -o $@ gcc $(SRC_CLNT) $(INCLUDES) $(CLAGS) $(LDLIBS) -o $@
mv $(PROGS) $(INSTDIR) mv $(PROGS) $(INSTDIR)
clean: clean:
rm -rf $(PROGS) *.o $(INSTDIR)/* rm -rf $(PROGS) *.o $(INSTDIR)/*

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#ifndef RECEIVER_DEFS_H
#define RECEIVER_DEFS_H
#include "sls_detector_defs.h"
#include <stdint.h>
#define GOODBYE -200
#define HALF_BUFFER_SIZE 1286
#define DEFAULT_UDP_PORT 50001
//#define THIS_SOFTWARE_VERSION 0x20120919
#endif

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/* A simple server in the internet domain using TCP
The port number is passed as an argument */
#include "receiver_defs.h"
#include "MySocketTCP.h"
#include "slsReceiver_funcs.h"
#include <iostream>
using namespace std;
int main(int argc, char *argv[])
{
int portno = DEFAULT_PORTNO+2;
int retval = slsDetectorDefs::OK;
MySocketTCP *socket = new MySocketTCP(portno);
if (socket->getErrorStatus())
return -1;
//assign function table
slsReceiverFuncs *receiver = new slsReceiverFuncs(socket);
#ifdef VERBOSE
cout << "Function table assigned.\n Ready..." << endl;
#endif
//waits for connection
while(retval!=GOODBYE) {
#ifdef VERBOSE
cout<< endl;
#endif
#ifdef VERY_VERBOSE
cout << "Waiting for client call" << endl;
#endif
if(socket->Connect()>=0){
#ifdef VERY_VERBOSE
cout << "Conenction accepted" << endl;
#endif
retval = receiver->decode_function();
#ifdef VERY_VERBOSE
cout << "function executed" << endl;
#endif
socket->Disconnect();
#ifdef VERY_VERBOSE
cout << "connection closed" << endl;
#endif
}
}
delete socket;
cout << "Goodbye!" << endl;
return 0;
}

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#ifdef SLS_RECEIVER_FUNCTION_LIST
/********************************************//**
* @file slsReceiverFunctionList.cpp
* @short does all the functions for a receiver, set/get parameters, start/stop etc.
***********************************************/
#include "slsReceiverFunctionList.h"
#include <signal.h> // SIGINT
#include <sys/stat.h> // stat
#include <sys/socket.h> // socket(), bind(), listen(), accept(), shut down
#include <arpa/inet.h> // sock_addr_in, htonl, INADDR_ANY
#include <stdlib.h> // exit()
#include <string.h>
#include <iostream>
using namespace std;
FILE* slsReceiverFunctionList::sfilefd(NULL);
int slsReceiverFunctionList::listening_thread_running(0);
slsReceiverFunctionList::slsReceiverFunctionList():
fileIndex(0),
frameIndexNeeded(true),
framesCaught(0),
startFrameIndex(-1),
frameIndex(0),
totalFramesCaught(0),
startAcquisitionIndex(-1),
acquisitionIndex(0),
framesInFile(0),
udpSocket(-1),
status(IDLE),
server_port(DEFAULT_UDP_PORT)
{
strcpy(savefilename,"");
strcpy(filePath,"");
strcpy(fileName,"run");
strcpy(buffer,"");
}
int slsReceiverFunctionList::getFrameIndex(){
if(startFrameIndex==-1)
frameIndex=0;
else
frameIndex=((int)(*((int*)buffer)) - startFrameIndex)/2;
return frameIndex;
}
int slsReceiverFunctionList::getAcquisitionIndex(){
if(startAcquisitionIndex==-1)
acquisitionIndex=0;
else
acquisitionIndex=((int)(*((int*)buffer)) - startAcquisitionIndex)/2;
return acquisitionIndex;
}
char* slsReceiverFunctionList::setFileName(char c[]){
if(strlen(c))
strcpy(fileName,c);
return getFileName();
}
char* slsReceiverFunctionList::setFilePath(char c[]){
if(strlen(c)){
//check if filepath exists
struct stat st;
if(stat(c,&st) == 0)
strcpy(filePath,c);
}
return getFilePath();
}
int slsReceiverFunctionList::setFileIndex(int i){
if(i>=0)
fileIndex = i;
return getFileIndex();
}
bool slsReceiverFunctionList::resetTotalFramesCaught(bool i){
frameIndexNeeded = i;
startAcquisitionIndex = -1;
totalFramesCaught = 0;
return frameIndexNeeded;
}
void slsReceiverFunctionList::closeFile(int p){
if(listening_thread_running){
cout << "Closing file and Exiting." << endl;
fclose(sfilefd);
}
exit(0);
}
int slsReceiverFunctionList::startReceiver(){
#ifdef VERBOSE
cout << "Starting Receiver" << endl;
#endif
int err = 0;
if(!listening_thread_running){
printf("Starting new acquisition threadddd ....\n");
listening_thread_running=1;
err = pthread_create(&listening_thread, NULL,startListeningThread, (void*) this);
if(!err){
while(status!=RUNNING);
cout << endl << "Thread created successfully." << endl;
}else{
listening_thread_running=0;
status = IDLE;
cout << endl << "Cant create thread. Status:" << status << endl;
return FAIL;
}
}
return OK;
}
int slsReceiverFunctionList::stopReceiver(){
#ifdef VERBOSE
cout << "Stopping Receiver" << endl;
#endif
if(listening_thread_running){
cout << "Stopping new acquisition threadddd ...." << endl;
//stop thread
listening_thread_running=0;
if (udpSocket != -1)
shutdown(udpSocket, SHUT_RDWR);
pthread_join(listening_thread,NULL);
status = IDLE;
}
cout << "Status:" << status << endl;
return OK;
}
void* slsReceiverFunctionList::startListeningThread(void* this_pointer){
((slsReceiverFunctionList*)this_pointer)->startListening();
return this_pointer;
}
int slsReceiverFunctionList::startListening(){
#ifdef VERYVERBOSE
cout << "In startListening()\n");
#endif
// Variable and structure definitions
/*udpSocket = -1;*/
int rc1, rc2, rc;
int currframenum, prevframenum;
struct sockaddr_in serveraddr;
struct sockaddr_in clientaddr;
socklen_t clientaddrlen = sizeof(clientaddr);
//reset variables for each acquisition
framesInFile=0;
framesCaught=0;
startFrameIndex=-1;
frameIndex=0;
//Catch signal SIGINT to close files properly
signal(SIGINT,closeFile);
//create file name
if(!frameIndexNeeded)
sprintf(savefilename, "%s/%s_%d.raw", filePath,fileName,fileIndex);
else
sprintf(savefilename, "%s/%s_f%012d_%d.raw", filePath,fileName,framesCaught,fileIndex);
// A do/while(FALSE) loop is used to make error cleanup easier. The
// close() of each of the socket descriptors is only done once at the
// very end of the program.
do {
// The socket() function returns a socket descriptor, which represents
// an endpoint. The statement also identifies that the INET
// (Internet Protocol) address family with the UDP transport
// (SOCK_DGRAM) will be used for this socket.
udpSocket = socket(AF_INET, SOCK_DGRAM, 0);
if (udpSocket < 0) {
cerr << "socket() failed" << endl;
break;
}
// After the socket descriptor is created, a bind() function gets a
// unique name for the socket. In this example, the user sets the
// s_addr to zero, which means that the UDP port of 3555 will be
// bound to all IP addresses on the system.
memset(&serveraddr, 0, sizeof(serveraddr));
serveraddr.sin_family = AF_INET;
serveraddr.sin_port = htons(server_port);
//serveraddr.sin_addr.s_addr = inet_addr(server_ip);
serveraddr.sin_addr.s_addr = htonl(INADDR_ANY);
rc = bind(udpSocket, (struct sockaddr *) &serveraddr, sizeof(serveraddr));
if (rc < 0) {
cerr << "bind() failed" << endl;
break;
}
sfilefd = fopen((const char *) (savefilename), "w");
cout << "Saving to " << savefilename << ". Ready! " << endl;
while (listening_thread_running) {
// The server uses the recvfrom() function to receive that data.
// The recvfrom() function waits indefinitely for data to arrive.
if (framesInFile == 20000) {
fclose(sfilefd);
currframenum=(int)(*((int*)buffer));
//create file name
if(!frameIndexNeeded)
sprintf(savefilename, "%s/%s_%d.raw", filePath,fileName,fileIndex);
else
sprintf(savefilename, "%s/%s_f%012d_%d.raw", filePath,fileName,framesCaught,fileIndex);
cout << "saving to " << savefilename << "\t\t"
"packet loss " << ((currframenum-prevframenum-(2*framesInFile))/(double)(2*framesInFile))*100.000 << "%\t\t"
"framenum " << currframenum << endl;
sfilefd = fopen((const char *) (savefilename), "w");
prevframenum=currframenum;
framesInFile = 0;
}
status = RUNNING;
rc1 = recvfrom(udpSocket, buffer, HALF_BUFFER_SIZE, 0,
(struct sockaddr *) &clientaddr, &clientaddrlen);
//cout << "rc1 done" << endl;
rc2 = recvfrom(udpSocket, buffer+HALF_BUFFER_SIZE, HALF_BUFFER_SIZE, 0,
(struct sockaddr *) &clientaddr, &clientaddrlen);
//for each scan
if(startFrameIndex==-1){
startFrameIndex=(int)(*((int*)buffer))-2;
prevframenum=startFrameIndex;
}
//start of acquisition
if(startAcquisitionIndex==-1)
startAcquisitionIndex=startFrameIndex;
//cout << "rc2 done" << endl;
if ((rc1 < 0) || (rc2 < 0)) {
perror("recvfrom() failed");
break;
}
//so that it doesnt write the last frame twice
if(listening_thread_running){
fwrite(buffer, 1, rc1, sfilefd);
fwrite(buffer+HALF_BUFFER_SIZE, 1, rc2, sfilefd);
framesInFile++;
framesCaught++;
totalFramesCaught++;
//cout << "saving" << endl;
}
}
} while (listening_thread_running);
listening_thread_running=0;
status = IDLE;
//Close down any open socket descriptors
if (udpSocket != -1){
cout << "Closing udpSocket" << endl;
close(udpSocket);
}
//close file
fclose(sfilefd);
cout << "sfield:" << (int)sfilefd << endl;
return 0;
}
char* slsReceiverFunctionList::readFrame(char* c){
strcpy(c,savefilename);
return buffer;
}
#endif

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#ifdef SLS_RECEIVER_FUNCTION_LIST #ifdef SLS_RECEIVER_FUNCTION_LIST
/********************************************//**
* @file slsReceiverFunctionList.h
* @short does all the functions for a receiver, set/get parameters, start/stop etc.
***********************************************/
#include "sls_detector_defs.h"
#include "receiver_defs.h"
#include <pthread.h>
#include <stdio.h>
/**
* @short does all the functions for a receiver, set/get parameters, start/stop etc.
*/
class slsReceiverFunctionList : private virtual slsDetectorDefs {
public:
/**
* Constructor
*/
slsReceiverFunctionList();
/**
* Destructor
*/
virtual ~slsReceiverFunctionList(){};
/**
* Returns status of receiver: idle, running or error
*/
runStatus getStatus(){return status;};
/**
* Returns File Name
*/
char* getFileName(){return fileName;};
/**
* Returns File Path
*/
char* getFilePath(){return filePath;};
/**
* Returns File Index
*/
int getFileIndex(){return fileIndex;};
/**
* Returns Frames Caught for each real time acquisition (eg. for each scan)
*/
int getFramesCaught(){return framesCaught;};
/**
* Returns Total Frames Caught for an entire acquisition (including all scans)
*/
int getTotalFramesCaught(){ return totalFramesCaught;};
/**
* Returns the frame index at start of each real time acquisition (eg. for each scan)
*/
int getStartFrameIndex(){return startFrameIndex;};
/**
* Returns current Frame Index for each real time acquisition (eg. for each scan)
*/
int getFrameIndex();
/**
* Returns current Frame Index Caught for an entire acquisition (including all scans)
*/
int getAcquisitionIndex();
/**
* Set File Name (without frame index, file index and extension)
* @param c file name
*/
char* setFileName(char c[]);
/**
* Set File Path
* @param c file path
*/
char* setFilePath(char c[]);
/**
* Set File Index
* @param i file index
*/
int setFileIndex(int i);
/**
* Resets the Total Frames Caught
* This is how the receiver differentiates between entire acquisitions
* @param i true if frame index in file name is required, else false
* Returns frames needed in file name
*/
bool resetTotalFramesCaught(bool i);
/**
* Close File
*/
static void closeFile(int p);
/**
* Starts Receiver - starts to listen for packets
* Returns success
*/
int startReceiver();
/**
* Stops Receiver - stops listening for packets
* Returns success
*/
int stopReceiver();
/**
* Static function - Thread started which listens to packets.
* Called by startReceiver()
* @param this_pointer pointer to this object
*/
static void* startListeningThread(void *this_pointer);
/**
* Thread started which listens to packets.
* Called by startReceiver()
*
*/
int startListening();
/**
* Returns the buffer-current frame read by receiver
*/
char* readFrame(char* c);
private:
/** Complete File name */
char savefilename[MAX_STR_LENGTH];
/** File Name without frame index, file index and extension*/
char fileName[MAX_STR_LENGTH];
/** File Path */
char filePath[MAX_STR_LENGTH];
/** File Index */
int fileIndex;
/** if frame index required in file name */
bool frameIndexNeeded;
/** Frames Caught for each real time acquisition (eg. for each scan) */
int framesCaught;
/** Frame index at start of each real time acquisition (eg. for each scan) */
int startFrameIndex;
/** Actual current frame index of each time acquisition (eg. for each scan) */
int frameIndex;
/** Total Frames Caught for an entire acquisition (including all scans) */
int totalFramesCaught;
/** Frame index at start of an entire acquisition (including all scans) */
int startAcquisitionIndex;
/** Actual current frame index of an entire acquisition (including all scans) */
int acquisitionIndex;
/** Frames currently in current file, starts new file when it reaches max */
int framesInFile;
/** if the listening thread is running*/
static int listening_thread_running;
/** thread listening to packets */
pthread_t listening_thread;
/** status of receiver */
runStatus status;
/** File Descriptor */
static FILE *sfilefd;
/** UDP Socket - with server */
int udpSocket;
/** Receiver buffer */
char buffer[HALF_BUFFER_SIZE*2];
/** Server UDP Port*/
int server_port;
};
/*
//int initializeReceiver();
void closeFile();
enum runStatus getReceiverStatus();
char* getFileName();
char* setFileName(char fName[]);
char* getFilePath();
char* setFilePath(char fName[]);
int getFileIndex();
int setFileIndex(int index);
int getFrameIndex();
int getAcquisitionIndex();
int getFramesCaught();
int getTotalFramesCaught();
int resetTotalFramesCaught(int index);
void* startListening(void *arg);
int startReceiver();
int stopReceiver();
char* readFrame(char *fName);
int getStartFrameIndex(); int getStartFrameIndex();
//int setUDPPortNumber(int p=-1); //sets/gets port number to listen to for data from the detector //int setUDPPortNumber(int p=-1); //sets/gets port number to listen to for data from the detector
//int setTCPPortNumber(int p=-1); //sets/get port number for communication to client //int setTCPPortNumber(int p=-1); //sets/get port number for communication to client
*/
#endif #endif

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/********************************************//**
* @file slsReceiver_funcs.h
* @short interface between receiver and client
***********************************************/
#include "slsReceiver_funcs.h"
#include "slsReceiverFunctionList.h"
#include <iostream>
using namespace std;
slsReceiverFuncs::slsReceiverFuncs(MySocketTCP *socket):
socket(socket),
ret(OK),
lockStatus(0){
//initialize variables
strcpy(mess,"dummy message");
strcpy(socket->lastClientIP,"none");
strcpy(socket->thisClientIP,"none1");
function_table();
slsReceiverList = new slsReceiverFunctionList();
}
int slsReceiverFuncs::function_table(){
for (int i=0;i<numberOfFunctions;i++)
flist[i]=&slsReceiverFuncs::M_nofunc;
flist[F_SET_FILE_NAME] = &slsReceiverFuncs::set_file_name;
flist[F_SET_FILE_PATH] = &slsReceiverFuncs::set_file_dir;
flist[F_SET_FILE_INDEX] = &slsReceiverFuncs::set_file_index;
flist[F_START_RECEIVER] = &slsReceiverFuncs::start_receiver;
flist[F_STOP_RECEIVER] = &slsReceiverFuncs::stop_receiver;
flist[F_GET_RECEIVER_STATUS]= &slsReceiverFuncs::get_status;
flist[F_GET_FRAMES_CAUGHT] = &slsReceiverFuncs::get_frames_caught;
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;
//General Functions
flist[F_LOCK_SERVER] = &slsReceiverFuncs::lock_receiver;
flist[F_SET_PORT] = &slsReceiverFuncs::set_port;
flist[F_GET_LAST_CLIENT_IP] = &slsReceiverFuncs::get_last_client_ip;
flist[F_UPDATE_CLIENT] = &slsReceiverFuncs::update_client;
flist[F_EXIT_SERVER] = &slsReceiverFuncs::exit_server; //not implemented in client
flist[F_EXEC_COMMAND] = &slsReceiverFuncs::exec_command; //not implemented in client
#ifdef VERBOSE
for (i=0;i<numberOfFunctions;i++)
cout << "function " << i << "located at " << flist[i] << endl;
#endif
return OK;
}
int slsReceiverFuncs::decode_function(){
ret = FAIL;
int n,fnum;
#ifdef VERBOSE
cout << "receive data" << endl;
#endif
n = socket->ReceiveDataOnly(&fnum,sizeof(fnum));
if (n <= 0) {
#ifdef VERBOSE
cout << "ERROR reading from socket " << n << ", " << fnum << endl;
#endif
return FAIL;
}
#ifdef VERBOSE
else
cout << "size of data received " << n <<endl;
#endif
#ifdef VERBOSE
cout << "calling function fnum = "<< fnum << hex << flist[fnum] << endl;
#endif
if (fnum<0 || fnum>numberOfFunctions-1)
fnum = numberOfFunctions-1;
//calling function
(this->*flist[fnum])();
if (ret==FAIL)
cout << "Error executing the function = " << fnum << endl;
return ret;
}
int slsReceiverFuncs::M_nofunc(){
ret=FAIL;
sprintf(mess,"Unrecognized Function\n");
cout << mess << endl;
socket->SendDataOnly(&ret,sizeof(ret));
socket->SendDataOnly(mess,sizeof(mess));
return GOODBYE;
}
int slsReceiverFuncs::set_file_name() {
ret=OK;
char retval[MAX_STR_LENGTH]="";
char fName[MAX_STR_LENGTH];
strcpy(mess,"Could not set file name");
// receive arguments
if(socket->ReceiveDataOnly(fName,MAX_STR_LENGTH) < 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){
sprintf(mess,"Receiver locked by %s\n", socket->lastClientIP);
ret=FAIL;
}
else
strcpy(retval,slsReceiverList->setFileName(fName));
}
#ifdef VERBOSE
if(ret!=FAIL)
cout << "file name:" << retval << endl;
else
cout << mess << endl;
#endif
#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,MAX_STR_LENGTH);
//return ok/fail
return ret;
}
int slsReceiverFuncs::set_file_dir() {
ret=OK;
char retval[MAX_STR_LENGTH]="";
char fPath[MAX_STR_LENGTH];
strcpy(mess,"Could not set file path\n");
// receive arguments
if(socket->ReceiveDataOnly(fPath,MAX_STR_LENGTH) < 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){
sprintf(mess,"Receiver locked by %s\n", socket->lastClientIP);
ret=FAIL;
}
else if((strlen(fPath))&&(slsReceiverList->getStatus()==RUNNING)){
strcpy(mess,"Can not set file path while receiver running\n");
ret = FAIL;
}
else{
strcpy(retval,slsReceiverList->setFilePath(fPath));
// if file path doesnt exist
if(strlen(fPath))
if (strcmp(retval,fPath)){
strcpy(mess,"receiver file path does not exist\n");
ret=FAIL;
}
}
}
#ifdef VERBOSE
if(ret!=FAIL)
cout << "file path:" << retval << endl;
else
cout << mess << endl;
#endif
#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,MAX_STR_LENGTH);
//return ok/fail
return ret;
}
int slsReceiverFuncs::set_file_index() {
ret=OK;
int retval=-1;
int index;
strcpy(mess,"Could not set file index\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->setFileIndex(index);
}
#ifdef VERBOSE
if(ret!=FAIL)
cout << "file index:" << retval << endl;
else
cout << mess << endl;
#endif
#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;
}
int slsReceiverFuncs::start_receiver(){
ret=OK;
strcpy(mess,"Could not start receiver\n");
// execute action if the arguments correctly arrived
#ifdef SLS_RECEIVER_FUNCTION_LIST
if (lockStatus==1 && socket->differentClients==1){
sprintf(mess,"Receiver locked by %s\n", socket->lastClientIP);
ret=FAIL;
}
else if(!strlen(slsReceiverList->setFilePath(""))){
strcpy(mess,"receiver not set up. set receiver ip again.\n");
ret = FAIL;
}
else if(slsReceiverList->getStatus()!=RUNNING)
ret=slsReceiverList->startReceiver();
#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));
//return ok/fail
return ret;
}
int slsReceiverFuncs::stop_receiver(){
ret=OK;
strcpy(mess,"Could not stop receiver\n");
// execute action if the arguments correctly arrived
#ifdef SLS_RECEIVER_FUNCTION_LIST
if (lockStatus==1 && socket->differentClients==1){
sprintf(mess,"Receiver locked by %s\n", socket->lastClientIP);
ret=FAIL;
}
else if(slsReceiverList->getStatus()!=IDLE)
ret=slsReceiverList->stopReceiver();
#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));
//return ok/fail
return ret;
}
int slsReceiverFuncs::get_status(){
ret=OK;
enum runStatus retval;
// execute action if the arguments correctly arrived
#ifdef SLS_RECEIVER_FUNCTION_LIST
retval=slsReceiverList->getStatus();
#endif
if(ret==OK && socket->differentClients){
cout << "Force update" << endl;
ret=FORCE_UPDATE;
}
// send answer
socket->SendDataOnly(&ret,sizeof(ret));
socket->SendDataOnly(&retval,sizeof(retval));
//return ok/fail
return ret;
}
int slsReceiverFuncs::get_frames_caught(){
ret=OK;
int retval=-1;
// execute action if the arguments correctly arrived
#ifdef SLS_RECEIVER_FUNCTION_LIST
retval=slsReceiverList->getTotalFramesCaught();
#endif
if(ret==OK && socket->differentClients){
cout << "Force update" << endl;
ret=FORCE_UPDATE;
}
// send answer
socket->SendDataOnly(&ret,sizeof(ret));
socket->SendDataOnly(&retval,sizeof(retval));
//return ok/fail
return ret;
}
int slsReceiverFuncs::get_frame_index(){
ret=OK;
int retval=-1;
// execute action if the arguments correctly arrived
#ifdef SLS_RECEIVER_FUNCTION_LIST
retval=slsReceiverList->getAcquisitionIndex();
#endif
if(ret==OK && socket->differentClients){
cout << "Force update" << endl;
ret=FORCE_UPDATE;
}
// send answer
socket->SendDataOnly(&ret,sizeof(ret));
socket->SendDataOnly(&retval,sizeof(retval));
//return ok/fail
return ret;
}
int slsReceiverFuncs::reset_frames_caught(){
ret=OK;
int retval=-1;
int index=-1;
strcpy(mess,"Could not reset frames caught\n");
// receive arguments
if(socket->ReceiveDataOnly(&index,sizeof(index)) < 0) {;
sprintf(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){
sprintf(mess,"Receiver locked by %s\n", socket->lastClientIP);
ret=FAIL;
}
else
retval=slsReceiverList->resetTotalFramesCaught(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;
}
int slsReceiverFuncs::read_frame(){
ret=OK;
int i,startIndex=-1;
char* retval=NULL;
char buffer[1286*2];
char fName[MAX_STR_LENGTH];
int arg[2];
arg[1]=1;//do not flip
int index=-1,index2=-1,fIndex=-1;;
strcpy(mess,"Could not read frame\n");
// execute action if the arguments correctly arrived
#ifdef SLS_RECEIVER_FUNCTION_LIST
//wait till you get first frame 1. to get index(from startindex 2. filename corresponds to buffer value
if(startIndex==-1){
ret=FAIL;
strcpy(mess,"did not start index\n");
for(i=0;i<10;i++){
startIndex=slsReceiverList->getStartFrameIndex();
if(startIndex==-1)
usleep(1000000);
else {
ret=OK;
break;
}
}
}
//got atleast first frame, read buffer
if(ret==OK){
int count=0;
do{
if(count>0){ cout << endl << "unmatching: index:" << index <<" index2:" << index2 << endl;}
retval=slsReceiverList->readFrame(fName);
index=(int)(*((int*)retval));
char* retval2= retval+1286;
index2= (int)(*((int*)retval2));
count++;
}while((index%2)==(index2%2));
fIndex=((int)(*((int*)retval)) - startIndex)/2;
arg[0]=fIndex-1;
arg[1]=(index%2);
#ifdef VERBOSE
cout << "\nstartIndex:" << startIndex << endl;
cout << "fName:" << fName << endl;
if((index%2)==0)
cout << "\nEven Index, must flip:" << index << endl;
#endif
}
#endif
if(ret==OK && socket->differentClients){
cout << "Force update" << endl;
ret=FORCE_UPDATE;
}
// send answer
socket->SendDataOnly(&ret,sizeof(ret));
if(ret==FAIL){
cout<<"mess:"<<mess<<endl;
socket->SendDataOnly(mess,sizeof(mess));
}
else{
socket->SendDataOnly(fName,MAX_STR_LENGTH);
socket->SendDataOnly(arg,sizeof(arg));
socket->SendDataOnly(retval,sizeof(buffer));
}
//return ok/fail
return ret;
}
int slsReceiverFuncs::lock_receiver() {
ret=OK;
int lock;
// receive arguments
if(socket->ReceiveDataOnly(&lock,sizeof(lock)) < 0 ){
sprintf(mess,"Error reading from socket\n");
cout << "Error reading from socket (lock)" << endl;
ret=FAIL;
}
// execute action if the arguments correctly arrived
if(ret==OK){
if (lock>=0) {
if (lockStatus==0 || strcmp(socket->lastClientIP,socket->thisClientIP)==0 || strcmp(socket->lastClientIP,"none")==0) {
lockStatus=lock;
strcpy(socket->lastClientIP,socket->thisClientIP);
} else {
ret=FAIL;
sprintf(mess,"Receiver already locked by %s\n", socket->lastClientIP);
}
}
}
if (socket->differentClients && ret==OK)
ret=FORCE_UPDATE;
// send answer
socket->SendDataOnly(&ret,sizeof(ret));
if (ret==FAIL)
socket->SendDataOnly(mess,sizeof(mess));
else
socket->SendDataOnly(&lockStatus,sizeof(lockStatus));
//return ok/fail
return ret;
}
int slsReceiverFuncs::set_port() {
ret=OK;
int sd=-1;
enum portType p_type; /** data? control? stop? Unused! */
int p_number; /** new port number */
// receive arguments
if(socket->ReceiveDataOnly(&p_type,sizeof(p_type)) < 0 ){
sprintf(mess,"Error reading from socket\n");
printf("Error reading from socket (ptype)\n");
ret=FAIL;
}
if(socket->ReceiveDataOnly(&p_number,sizeof(p_number)) < 0 ){
sprintf(mess,"Error reading from socket\n");
printf("Error reading from socket (pnum)\n");
ret=FAIL;
}
// execute action if the arguments correctly arrived
if (ret==OK) {
if (socket->differentClients==1 && lockStatus==1 ) {
ret=FAIL;
sprintf(mess,"Detector locked by %s\n",socket->lastClientIP);
} else {
if (p_number<1024) {
sprintf(mess,"Too low port number %d\n", p_number);
cout << endl;
ret=FAIL;
}
cout << "set port " << p_type << " to " << p_number <<endl;
socket = new MySocketTCP(p_number);
}
if (!socket->getErrorStatus()){
ret=OK;
if (socket->differentClients)
ret=FORCE_UPDATE;
} else {
ret=FAIL;
sprintf(mess,"Could not bind port %d\n", p_number);
cout << "Could not bind port " << p_number << endl;
if (socket->getErrorStatus()==-10) {
sprintf(mess,"Port %d already set\n", p_number);
cout << "Port " << p_number << " already set" << endl;
}
}
}
// send answer
socket->SendDataOnly(&ret,sizeof(ret));
if (ret==FAIL) {
socket->SendDataOnly(mess,sizeof(mess));
} else {
socket->SendDataOnly(&p_number,sizeof(p_number));
socket->Disconnect();
delete socket;
}
//return ok/fail
return ret;
}
int slsReceiverFuncs::get_last_client_ip() {
ret=OK;
if (socket->differentClients )
ret=FORCE_UPDATE;
socket->SendDataOnly(&ret,sizeof(ret));
socket->SendDataOnly(socket->lastClientIP,sizeof(socket->lastClientIP));
return ret;
}
int slsReceiverFuncs::send_update() {
ret=OK;
int ind;
char path[MAX_STR_LENGTH];
socket->SendDataOnly(socket->lastClientIP,sizeof(socket->lastClientIP));
//index
#ifdef SLS_RECEIVER_FUNCTION_LIST
ind=slsReceiverList->getFileIndex();
#endif
socket->SendDataOnly(&ind,sizeof(ind));
//filepath
#ifdef SLS_RECEIVER_FUNCTION_LIST
strcpy(path,slsReceiverList->getFilePath());
#endif
socket->SendDataOnly(path,MAX_STR_LENGTH);
//filename
#ifdef SLS_RECEIVER_FUNCTION_LIST
strcpy(path,slsReceiverList->getFileName());
#endif
socket->SendDataOnly(path,MAX_STR_LENGTH);
if (lockStatus==0) {
strcpy(socket->lastClientIP,socket->thisClientIP);
}
return ret;
}
int slsReceiverFuncs::update_client() {
ret=OK;
socket->SendDataOnly(&ret,sizeof(ret));
return send_update();
}
int slsReceiverFuncs::exit_server() {
ret=FAIL;
socket->SendDataOnly(&ret,sizeof(ret));
strcpy(mess,"closing server");
cout << mess << endl;
socket->SendDataOnly(mess,sizeof(mess));
return GOODBYE;
}
int slsReceiverFuncs::exec_command() {
ret = OK;
char cmd[MAX_STR_LENGTH];
char answer[MAX_STR_LENGTH];
int sysret=0;
// receive arguments
if(socket->ReceiveDataOnly(cmd,MAX_STR_LENGTH) < 0 ){
sprintf(mess,"Error reading from socket\n");
ret=FAIL;
}
// execute action if the arguments correctly arrived
if (ret==OK) {
#ifdef VERBOSE
cout << "executing command " << cmd << endl;
#endif
if (lockStatus==0 || socket->differentClients==0)
sysret=system(cmd);
//should be replaced by popen
if (sysret==0) {
strcpy(answer,"Succeeded\n");
if (lockStatus==1 && socket->differentClients==1)
sprintf(answer,"Detector locked by %s\n", socket->lastClientIP);
} else {
strcpy(answer,"Failed\n");
ret=FAIL;
}
} else
strcpy(answer,"Could not receive the command\n");
// send answer
socket->SendDataOnly(&ret,sizeof(ret));
if(socket->SendDataOnly(answer,MAX_STR_LENGTH) < 0){
strcpy(mess,"Error writing to socket");
ret=FAIL;
}
//return ok/fail
return ret;
}

View File

@ -1,45 +1,119 @@
/********************************************//**
* @file slsReceiver_funcs.h
* @short interface between receiver and client
***********************************************/
#ifndef RECEIVER_H #ifndef RECEIVER_H
#define RECEIVER_H #define RECEIVER_H
#include <stdio.h>
#include "communication_funcs.h" #include "sls_detector_defs.h"
#include "receiver_defs.h"
#include "MySocketTCP.h"
class slsReceiverFunctionList;
/**
*@short interface between receiver and client
*/
class slsReceiverFuncs : private virtual slsDetectorDefs {
public:
/**
* Constructor
* @param socket tcp socket connecting receiver and client
*/
slsReceiverFuncs(MySocketTCP *socket);
/** Destructor */
virtual ~slsReceiverFuncs(){};
/** assigns functions to the fnum enum */
int function_table();
/** Decodes Function */
int decode_function();
/** Unrecognized Function */
int M_nofunc();
/** Set File name without frame index, file index and extension */
int set_file_name();
/** Set File path */
int set_file_dir();
/** Set File index */
int set_file_index();
/** Start Receiver - starts listening to udp packets from detector */
int start_receiver();
/** Stop Receiver - stops listening to udp packets from detector*/
int stop_receiver();
/** Gets receiver status */
int get_status();
/** Gets Total Frames Caught */
int get_frames_caught();
/** Gets frame index for each acquisition */
int get_frame_index();
/** Resets Total Frames Caught */
int reset_frames_caught();
/** Reads Frame/ buffer */
int read_frame();
//General Functions
/** Locks Receiver */
int lock_receiver();
/** Set port */
int set_port();
/** Get Last Client IP*/
int get_last_client_ip();
/** Updates Client if different clients connect */
int update_client();
/** Sends the updated parameters to client */
int send_update();
/** Exit Receiver Server */
int exit_server();
/** Execute command */
int exec_command();
#define GOODBYE -200 private:
int sockfd; /** Socket */
MySocketTCP *socket;
int function_table(); /** slsReceiverFunctionList object */
int decode_function(int); slsReceiverFunctionList *slsReceiverList;
int M_nofunc(int);
int exit_server(int);
int exec_command(int);
/** Number of functions */
static const int numberOfFunctions = 256;
int lock_receiver(int); /** Function List */
int set_port(int); int (slsReceiverFuncs::*flist[numberOfFunctions])();
int get_last_client_ip(int);
int update_client(int);
int send_update(int);
//int set_master(int);
//int set_synchronization(int);
// General purpose functions /** Message */
char mess[MAX_STR_LENGTH];
//int init_receiver(); /** success/failure */
int set_file_name(int); int ret;
int set_file_dir(int);
int set_file_index(int);
int start_receiver(int);
int stop_receiver(int);
int get_receiver_status(int);
int get_frames_caught(int);
int get_frame_index(int);
int reset_frame_index(int);
int reset_frames_caught(int);
int read_frame(int);
/** Lock Status if server locked to a client */
int lockStatus;
};
#endif #endif