Files
unisa_lab_reti_2013_2014/7.client-server-print-ip-port-both/daytimesrv.c~

42 lines
1001 B
C

/* stampa l'ip del client */
#include "../basic.h"
#include <time.h>
int main(int argc, char **argv) {
int listenfd, connfd, n;
struct sockaddr_in servaddr;
char buff[MAXLINE];
time_t ticks;
if (argc != 2 ){
printf("usage: daytimesrv <porta>\n");
exit(0);
}
if( (listenfd = socket(AF_INET, SOCK_STREAM, 0)) < 0){
printf("socket error\n");
exit(0);
}
bzero(&servaddr, sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_addr.s_addr = htonl(INADDR_ANY); /* wildcard address */
servaddr.sin_port = htons(atoi(argv[1])); /* server port */
if( (bind(listenfd, (struct sockaddr *) &servaddr, sizeof(servaddr))) < 0){
printf("bind error\n"); exit(0);
}
if( listen(listenfd, 5) < 0 )
{ printf("listen error\n");
exit(0);
}
for ( ; ; ) {
if( (connfd = accept(listenfd, (struct sockaddr *) NULL, NULL)) < 0)
{ printf("accept error\n"); exit(0);} else {
}
n=read(connfd, buff, MAXLINE);
fprintf (stdout,%s\n,buff);
close(connfd);
}
}