113 lines
1.9 KiB
C
Executable File

/* A simple server in the internet domain using TCP
The port number is passed as an argument */
#include "sls_detector_defs.h"
#include "communication_funcs.h"
#include "server_funcs.h"
#include <stdlib.h>
extern int sockfd;
extern int phase_shift;
void error(char *msg)
{
perror(msg);
}
int main(int argc, char *argv[])
{
int portno, b;
char cmd[500];
int retval=OK;
int sd, fd;
int iarg;
for(iarg=1; iarg<argc; iarg++){
if(!strcasecmp(argv[iarg],"-phaseshift")){
if(argc==iarg+1){
printf("No phaseshift given. Exiting.\n");
return 1;
}
if ( sscanf(argv[iarg+1],"%d",&phase_shift)==0) {
printf("could not decode phase shift\n");
return 1;
}
}
}
//stop server
if ((argc > 2) && (!strcasecmp(argv[2],"stopserver"))){
portno = DEFAULT_PORTNO+1;
if ( sscanf(argv[1],"%d",&portno) ==0) {
printf("could not open stop server: unknown port\n");
return 1;
}
b=0;
printf("\n\nStop Server\nOpening stop server on port %d\n",portno);
}
//control server
else {
portno = DEFAULT_PORTNO;
sprintf(cmd,"%s %d stopserver &",argv[0],DEFAULT_PORTNO+1);
printf("\n\nControl Server\nOpening control server on port %d\n",portno );
//printf("\n\ncmd:%s\n",cmd);
system(cmd);
b=1;
}
init_detector(b);
sd=bindSocket(portno);
sockfd=sd;
if (getServerError(sd)) {
printf("server error!\n");
return -1;
}
/* assign function table */
function_table();
#ifdef VERBOSE
printf("function table assigned \n");
#endif
/* waits for connection */
while(retval!=GOODBYE) {
#ifdef VERBOSE
printf("\n");
#endif
#ifdef VERY_VERBOSE
printf("Waiting for client call\n");
#endif
fd=acceptConnection(sockfd);
#ifdef VERY_VERBOSE
printf("Conenction accepted\n");
#endif
retval=decode_function(fd);
#ifdef VERY_VERBOSE
printf("function executed\n");
#endif
closeConnection(fd);
#ifdef VERY_VERBOSE
printf("connection closed\n");
#endif
}
exitServer(sockfd);
printf("Goodbye!\n");
return 0;
}