static void *time_serv(void *arg) {
printf("This is the new window for time service\n");
Pthread_detach(pthread_self());
int sockfd=*((int*)arg);
free(arg);
time_t ticks;
char buff[MAXLINE];
while(1) {
if(Readable_timeo(sockfd, 5)==0) {
ticks=time(NULL);
snprintf(buff, sizeof(buff), "%.24s\r\n", ctime(&ticks));
Write(sockfd, buff, strlen(buff));
printf("Current time is sent to client\n");
}
else break;
}
printf("This time service is terminated\n");
Close(sockfd);
return NULL;
}
void
dg_cli(FILE *fp, int sockfd, const SA *pservaddr, socklen_t servlen)
{
int n;
char sendline[MAXLINE], recvline[MAXLINE + 1];
while (Fgets(sendline, MAXLINE, fp) != NULL) {
Sendto(sockfd, sendline, strlen(sendline), 0, pservaddr, servlen);
if (Readable_timeo(sockfd, 5) == 0) {
fprintf(stderr, "socket timeout\n");
} else {
n = Recvfrom(sockfd, recvline, MAXLINE, 0, NULL, NULL);
recvline[n] = 0; /* null terminate */
Fputs(recvline, stdout);
}
}
}
static void timeRequest(int sockfd) {
ssize_t n;
static char buf[MAXLINE];
time_t ticks;
static char buff[MAXLINE];
// Write(connfd, buff, strlen(buff));
while (1) {
int tmp = Readable_timeo(sockfd, 5);
if (tmp == 0) {
//n = Recvfrom(sockfd, buf, MAXLINE, 0, NULL, NULL);
ticks = time(NULL);
snprintf(buff, sizeof(buff), "%.24s\r\n", ctime(&ticks));
printf("current time %s\n", buff);
Writen(sockfd, buff, strlen(buff));
// fprintf(stderr, "socket timeout\n");
continue;
} else {
// n = Recvfrom(sockfd, buf, MAXLINE, 0, NULL, NULL);
n = recvfrom(sockfd, buf, MAXLINE, 0, NULL, NULL);
if (n == 0) {
printf(
"time client child process termination : socket read returned with value 0\n\n");
pthread_t tid;
pthread_exit(&tid);
} else if (n < 0) {
if (errno == EWOULDBLOCK)
fprintf(stderr, "socket timeout\n");
}
}
}
}
void dg_cli1(int sockfd) {
int n;
char sendline[MAXLINE], recvline[MAXLINE + 1];
// Writen(sockfd, sendline, strlen(sendline));
int tmp1 = Readable_timeo(sockfd, 5);
if (tmp1 == 0) {
fprintf(stderr, "socket timeout\n");
//continue;
}
else {
n = Recvfrom(sockfd, recvline, MAXLINE, 0, NULL, NULL);
recvline[n] = 0; /* null terminate */
Fputs(recvline, stdout);
}
}
