mirror of
https://github.com/slsdetectorgroup/slsDetectorPackage.git
synced 2025-04-22 03:40:04 +02:00
5407fdcf6e
git-svn-id: file:///afs/psi.ch/project/sls_det_software/svn/slsDetectorSoftware@222 951219d9-93cf-4727-9268-0efd64621fa3
478 lines
10 KiB
C
Executable File
478 lines
10 KiB
C
Executable File
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#include "communication_funcs.h"
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//#include <sys/socket.h>
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#include <netinet/tcp.h> /* for TCP_NODELAY */
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <errno.h>
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//int socketDescriptor, file_des;
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const int send_rec_max_size=SEND_REC_MAX_SIZE;
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extern int errno;
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char dummyClientIP[INET_ADDRSTRLEN];
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//struct sockaddr_in address;
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//#define VERBOSE
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int bindSocket(unsigned short int port_number) {
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int i;
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struct sockaddr_in addressS;
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int socketDescriptor;
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//int file_des;
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//file_des= -1;
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socketDescriptor = socket(AF_INET, SOCK_STREAM,0); //tcp
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//socketDescriptor = socket(PF_INET, SOCK_STREAM, 0);
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if (socketDescriptor < 0) {
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printf("Can not create socket\n");
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} else {
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i = 1;
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setsockopt(socketDescriptor, SOL_SOCKET, SO_REUSEADDR, &i, sizeof(i));
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// setsockopt(socketDescriptor, IPPROTO_TCP, TCP_NODELAY, (char *) &i, sizeof(i));
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// TCP_CORK
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// Set some fields in the serverAddress structure.
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addressS.sin_family = AF_INET;
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addressS.sin_addr.s_addr = htonl(INADDR_ANY);
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addressS.sin_port = htons(port_number);
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// memset(&address.sin_addr, 0, sizeof(address.sin_addr));
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if(bind(socketDescriptor,(struct sockaddr *) &addressS,sizeof(addressS))<0){
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printf("Can not create socket\n");
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socketDescriptor=-1;
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} else {
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listen(socketDescriptor, 5);
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}
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}
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//int getrlimit(int resource, struct rlimit *rlim);
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return socketDescriptor;
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}
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int getServerError(int socketDescriptor)
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{
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if (socketDescriptor<0) return 1;
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else return 0;
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};
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int acceptConnection(int socketDescriptor) {
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struct sockaddr_in addressC;
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int file_des=-1;
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//socklen_t address_length;
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size_t address_length=sizeof(struct sockaddr_in);
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// if(file_des>0) return file_des;
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//#ifndef C_ONLY
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// if(is_a_server){ //server; the server will wait for the clients connection
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//#endif
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if (socketDescriptor>0) {
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//if ((file_des = accept(socketDescriptor,(struct sockaddr *) &address, &address_length)) < 0) {
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if ((file_des = accept(socketDescriptor,(struct sockaddr *) &addressC, &address_length)) < 0) {
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printf("Error: with server accept, connection refused %d\n", errno);
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switch(errno) {
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case EWOULDBLOCK:
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printf("ewouldblock eagain\n");
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break;
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case EBADF:
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printf("ebadf\n");
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break;
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case ECONNABORTED:
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printf("econnaborted\n");
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break;
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case EFAULT:
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printf("efault\n");
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break;
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case EINTR:
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printf("eintr\n");
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break;
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case EINVAL:
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printf("einval\n");
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break;
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case EMFILE:
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printf("emfile\n");
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break;
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case ENFILE:
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printf("enfile\n");
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break;
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case ENOTSOCK:
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printf("enotsock\n");
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break;
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case EOPNOTSUPP:
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printf("eOPNOTSUPP\n");
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break;
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case ENOBUFS:
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printf("ENOBUFS\n");
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break;
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case ENOMEM:
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printf("ENOMEM\n");
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break;
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case ENOSR:
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printf("ENOSR\n");
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break;
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case EPROTO:
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printf("EPROTO\n");
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break;
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default:
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printf("unknown error\n");
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}
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socketDescriptor=-1;
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}
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inet_ntop(AF_INET, &(addressC.sin_addr), dummyClientIP, INET_ADDRSTRLEN);
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// struct sockaddr_in
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//{
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//short int sin_family; /* Famyly of the address*/
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//unsigned short int sin_port; /* Port */
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//struct in_addr sin_addr; /* Network address */
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//unsigned char sin_zero[8]; /* Same size of struct sockaddr */
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//};
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}
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return file_des;
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}
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void closeConnection(int file_des) {
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//fflush(stdout);
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//printf("Closing file_des %d\n", file_des);
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//sleep(1);
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#ifdef VERY_VERBOSE
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#endif
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if(file_des>=0)
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close(file_des);
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file_des=-1;
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}
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void exitServer(int socketDescriptor) {
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if (socketDescriptor>=0)
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close(socketDescriptor);
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#ifdef VERY_VERBOSE
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printf("Closing server\n");
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#endif
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socketDescriptor=-1;
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}
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int sendDataOnly(int file_des, void* buf,int length) {
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return write(file_des, buf, length);
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}
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int receiveDataOnly(int file_des, void* buf,int length) {
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int total_received=0;
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int nreceiving;
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int nreceived;
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if (file_des<0) return -1;
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#ifdef VERY_VERBOSE
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printf("want to receive %d Bytes\n", length);
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#endif
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while(length>0){
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nreceiving = (length>send_rec_max_size) ? send_rec_max_size:length;
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#ifdef VERY_VERBOSE
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printf("want to receive %d Bytes\n", nreceiving);
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#endif
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nreceived = read(file_des,(char*)buf+total_received,nreceiving);
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#ifdef VERY_VERBOSE
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printf("read %d \n", nreceived);
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#endif
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if(!nreceived) break;
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// if(nreceived<0) break;
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length-=nreceived;
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total_received+=nreceived;
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// cout<<"nrec: "<<nreceived<<" waiting for ("<<length<<")"<<endl;
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}
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#ifdef VERY_VERBOSE
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printf("received %d Bytes\n", total_received);
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#endif
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if (total_received>0)
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strcpy(thisClientIP,dummyClientIP);
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if (strcmp(lastClientIP,thisClientIP))
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differentClients=1;
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else
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differentClients=0;
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return total_received;
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}
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int sendChannel(int file_des, sls_detector_channel *myChan) {
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return sendDataOnly(file_des,myChan, sizeof(sls_detector_channel));
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}
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int sendChip(int file_des, sls_detector_chip *myChip) {
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int ts=0;
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int nChans=myChip->nchan;
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ts+=sendDataOnly(file_des,myChip,sizeof(sls_detector_chip));
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ts+=sendDataOnly(file_des,myChip->chanregs,nChans*sizeof(int));
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return ts;
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}
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int sendModule(int file_des, sls_detector_module *myMod) {
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int ts=0;
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int idac;
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int nChips=myMod->nchip;
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int nChans=myMod->nchan;
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int nAdcs=myMod->nadc;
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int nDacs=myMod->ndac;
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ts+= sendDataOnly(file_des,myMod,sizeof(sls_detector_module));
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#ifdef VERBOSE
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printf("module %d of size %d sent\n",myMod->module, ts);
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#endif
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ts+= sendDataOnly(file_des,myMod->dacs,sizeof(dacs_t)*nDacs);
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#ifdef VERBOSE
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printf("dacs %d of size %d sent\n",myMod->module, ts);
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for (idac=0; idac< nDacs; idac++)
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printf("dac %d is %d\n",idac,myMod->dacs[idac]);
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#endif
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ts+= sendDataOnly(file_des,myMod->adcs,sizeof(dacs_t)*nAdcs);
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#ifdef VERBOSE
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printf("adcs %d of size %d sent\n",myMod->module, ts);
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#endif
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ts+=sendDataOnly(file_des,myMod->chipregs,sizeof(int)*nChips);
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#ifdef VERBOSE
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printf("chips %d of size %d sent\n",myMod->module, ts);
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#endif
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ts+=sendDataOnly(file_des,myMod->chanregs,sizeof(int)*nChans);
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#ifdef VERBOSE
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printf("chans %d of size %d sent - %d\n",myMod->module, ts, myMod->nchan);
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#endif
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#ifdef VERBOSE
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printf("module %d of size %d sent register %x\n",myMod->module, ts, myMod->reg);
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#endif
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return ts;
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}
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int receiveChannel(int file_des, sls_detector_channel *myChan) {
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return receiveDataOnly(file_des,myChan,sizeof(sls_detector_channel));
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}
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int receiveChip(int file_des, sls_detector_chip* myChip) {
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int *ptr=myChip->chanregs;
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int ts=0;
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int nChans, nchanold=myChip->nchan, chdiff;
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ts+= receiveDataOnly(file_des,myChip,sizeof(sls_detector_chip));
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myChip->chanregs=ptr;
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nChans=myChip->nchan;
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chdiff=nChans-nchanold;
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if (nchanold!=nChans) {
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printf("wrong number of channels received!\n");
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}
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#ifdef VERBOSE
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printf("chip structure received\n");
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printf("now receiving %d channels\n", nChans);
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#endif
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if (chdiff<=0)
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ts+=receiveDataOnly(file_des,myChip->chanregs, sizeof(int)*nChans);
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else {
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ptr=malloc(chdiff*sizeof(int));
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myChip->nchan=nchanold;
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ts+=receiveDataOnly(file_des,myChip->chanregs, sizeof(int)*nchanold);
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ts+=receiveDataOnly(file_des,ptr, sizeof(int)*chdiff);
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free(ptr);
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return FAIL;
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}
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#ifdef VERBOSE
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printf("chip's channels received\n");
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#endif
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return ts;
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}
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int receiveModule(int file_des, sls_detector_module* myMod) {
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dacs_t *dacptr=myMod->dacs;
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dacs_t *adcptr=myMod->adcs;
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int *chipptr=myMod->chipregs, *chanptr=myMod->chanregs;
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int ts=0;
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int nChips, nchipold=myMod->nchip, nchipdiff;
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int nChans, nchanold=myMod->nchan, nchandiff;
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int nDacs, ndold=myMod->ndac, ndacdiff;
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int nAdcs, naold=myMod->nadc, nadcdiff;
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ts+= receiveDataOnly(file_des,myMod,sizeof(sls_detector_module));
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myMod->dacs=dacptr;
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myMod->adcs=adcptr;
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myMod->chipregs=chipptr;
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myMod->chanregs=chanptr;
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nChips=myMod->nchip;
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nchipdiff=nChips-nchipold;
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if (nchipold!=nChips) {
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printf("received wrong number of chips\n");
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}
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#ifdef VERBOSE
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else
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printf("received %d chips\n",nChips);
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#endif
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nChans=myMod->nchan;
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nchandiff=nChans-nchanold;
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if (nchanold!=nChans) {
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printf("received wrong number of channels\n");
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}
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#ifdef VERBOSE
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else
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printf("received %d chans\n",nChans);
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#endif
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nDacs=myMod->ndac;
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ndacdiff=nDacs-ndold;
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if (ndold!=nDacs) {
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printf("received wrong number of dacs\n");
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}
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#ifdef VERBOSE
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else
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printf("received %d dacs\n",nDacs);
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#endif
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nAdcs=myMod->nadc;
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nadcdiff=nAdcs-naold;
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if (naold!=nAdcs) {
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printf("received wrong number of adcs\n");
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}
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#ifdef VERBOSE
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else
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printf("received %d adcs\n",nAdcs);
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#endif
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if (ndacdiff<=0) {
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ts+=receiveDataOnly(file_des,myMod->dacs, sizeof(dacs_t)*nDacs);
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#ifdef VERBOSE
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printf("dacs received\n");
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#endif
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} else {
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dacptr=malloc(ndacdiff*sizeof(dacs_t));
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myMod->ndac=ndold;
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ts+=receiveDataOnly(file_des,myMod->dacs, sizeof(dacs_t)*ndold);
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ts+=receiveDataOnly(file_des,dacptr, sizeof(dacs_t)*ndacdiff);
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free(dacptr);
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return FAIL;
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}
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if (nadcdiff<=0) {
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ts+=receiveDataOnly(file_des,myMod->adcs, sizeof(dacs_t)*nAdcs);
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#ifdef VERBOSE
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printf("adcs received\n");
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#endif
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} else {
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adcptr=malloc(nadcdiff*sizeof(dacs_t));
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myMod->nadc=naold;
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ts+=receiveDataOnly(file_des,myMod->adcs, sizeof(dacs_t)*naold);
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ts+=receiveDataOnly(file_des,adcptr, sizeof(dacs_t)*nadcdiff);
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free(adcptr);
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return FAIL;
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}
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if (nchipdiff<=0) {
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ts+=receiveDataOnly(file_des,myMod->chipregs, sizeof(int)*nChips);
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#ifdef VERBOSE
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printf("chips received\n");
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#endif
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} else {
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chipptr=malloc(nchipdiff*sizeof(int));
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myMod->nchip=nchipold;
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ts+=receiveDataOnly(file_des,myMod->chipregs, sizeof(int)*nchipold);
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ts+=receiveDataOnly(file_des,chipptr, sizeof(int)*nchipdiff);
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free(chipptr);
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return FAIL;
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}
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if (nchandiff<=0) {
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ts+=receiveDataOnly(file_des,myMod->chanregs, sizeof(int)*nChans);
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#ifdef VERBOSE
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printf("chans received\n");
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#endif
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} else {
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chanptr=malloc(nchandiff*sizeof(int));
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myMod->nchan=nchanold;
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ts+=receiveDataOnly(file_des,myMod->chanregs, sizeof(int)*nchanold);
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ts+=receiveDataOnly(file_des,chanptr, sizeof(int)*nchandiff);
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free(chanptr);
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return FAIL;
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}
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#ifdef VERBOSE
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printf("received module %d of size %d register %x\n",myMod->module,ts,myMod->reg);
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#endif
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return ts;
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}
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