mirror of
https://github.com/slsdetectorgroup/slsDetectorPackage.git
synced 2025-04-23 06:50:02 +02:00
50beac1f8a
git-svn-id: file:///afs/psi.ch/project/sls_det_software/svn/slsDetectorSoftware@332 951219d9-93cf-4727-9268-0efd64621fa3
118 lines
2.8 KiB
C++
118 lines
2.8 KiB
C++
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//version 1.0, base development, Ian 19/01/09
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#include "MySocketTCP.h"
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#include <string.h>
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#include <iostream>
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#include <cstdio>
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using namespace std;
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int MySocketTCP::SendDataOnly(void* buf,int length){//length in characters
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#ifdef VERY_VERBOSE
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cout << "want to send "<< length << " Bytes" << endl;
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#endif
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int nsending;
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int nsent;
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if (file_des<0) return -1;
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int total_sent=0;
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while(length>0){
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nsending = (length>send_rec_max_size) ? send_rec_max_size:length;
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nsent = write(file_des,(char*)buf+total_sent,nsending);
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if(!nsent) break;
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length-=nsent;
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total_sent+=nsent;
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// cout<<"nsent: "<<nsent<<endl;
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}
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#ifdef VERY_VERBOSE
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cout << "sent "<< total_sent << " Bytes" << endl;
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#endif
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return total_sent;
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}
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int MySocketTCP::SendData(void* buf,int length){//length in characters
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int ndata = SendDataAndKeepConnection(buf,length);
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Disconnect();
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return ndata;
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}
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int MySocketTCP::SendDataAndKeepConnection(void* buf,int length){//length in characters
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if(last_keep_connection_open_action_was_a_send) Disconnect(); //to keep a structured data flow;
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Connect();
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int total_sent=SendDataOnly(buf,length);
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last_keep_connection_open_action_was_a_send=1;
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return total_sent;
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}
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int MySocketTCP::ReceiveDataOnly(void* buf,int length){//length in characters
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int total_received=0;
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if (file_des<0) return -1;
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#ifdef VERY_VERBOSE
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cout << "want to receive "<< length << " Bytes" << endl;
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#endif
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int nreceiving;
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int nreceived;
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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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cout << "start to receive "<< nreceiving << " Bytes" << endl;
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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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cout << "received "<< nreceived << " Bytes on fd " << file_des << endl;
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#endif
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if(nreceived<0) break;
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length-=nreceived;
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#ifdef VERY_VERBOSE
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cout << "length left "<< length << " Bytes" << endl;
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#endif
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total_received+=nreceived;
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#ifdef VERY_VERBOSE
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cout << "total "<< total_received << " Bytes" << endl;
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#endif
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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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cout << "received "<< total_received << " Bytes" << endl;
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#endif
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return total_received;
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}
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int MySocketTCP::ReceiveData(void* buf,int length){//length in characters
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int ndata = ReceiveDataAndKeepConnection(buf,length);
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Disconnect();
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return ndata;
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}
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int MySocketTCP::ReceiveDataAndKeepConnection(void* buf,int length){//length in characters
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if(!last_keep_connection_open_action_was_a_send) Disconnect(); //to a keep structured data flow;
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Connect();
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// should preform two reads one to receive incomming char count
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int total_received=ReceiveDataOnly(buf,length);
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last_keep_connection_open_action_was_a_send=0;
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return total_received;
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}
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