/* ConnexReadIP.c
==============
Author: R.J.Barnes
Copyright (c) 2012 The Johns Hopkins University/Applied Physics Laboratory
This file is part of the Radar Software Toolkit (RST).
RST is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
Modifications:
#include <stdio.h>
#include <stdlib.h>
#include <sys/time.h>
#include <sys/types.h>
#include <unistd.h>
#include "connex.h"
unsigned char ibuf[4096];
int isze=4096;
int iptr=0;
int main(int argc,char *argv[]) {
int sock;
int port=0;
char *host=NULL;
int size,status,cnt=0,i;
unsigned char *buffer=NULL;
fd_set read_set;
if (argc<3) {
fprintf(stderr,"host and port must be specified.'n");
exit(-1);
}
host=argv[1];
port=atoi(argv[2]);
sock=ConnexOpen(host,port);
if (sock<0) {
fprintf(stderr,"Could not connect to host.'n");
exit(-1);
}
do {
FD_ZERO(&read_set);
FD_SET(sock,&read_set);
status=select(FD_SETSIZE,&read_set,0,0,NULL);
if (status==0) continue;
if (FD_ISSET(sock,&read_set)) {
/* start filling the input buffer */
size=read(sock,ibuf+iptr,256);
iptr+=size;
fprintf(stderr,"Input buffer size=%d'n",iptr);
fprintf(stderr,"Packet count=%d'n",cnt);
cnt++;
}
if ((cnt>0) && ((cnt % 4)==0)) {
/* decode the memory buffer */
fprintf(stderr,"Decoding packets:'n");
i=0;
do {
size=ConnexReadMem(ibuf+i,iptr-i,&buffer);
if (size==0) break;
fprintf(stderr,"Message:%s'n",buffer);
i+=size+8;
} while (i<iptr);
iptr=0;
}
} while(1);
fprintf(stderr,"Connection failed.'n");
return 0;
}
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