int main(int argc, char *arg[])
{
char buffer[256];
struct sockaddr_in6 fsin;
char *service = "daytime";
int msock, ssock;
int alen,pid;
msock = passiveTCP(service, QLEN);
while (1)
{ alen = sizeof(fsin);
ssock = accept(msock, (struct sockaddr *)&fsin, &alen);
if (ssock < 0)
{ printf("Error in accepting the socket connection\n");
exit(0);
}
pid=fork();
if(pid==0)
{ printf("This is a new client request\n");
close(msock);
TCPdaytimed(ssock);
exit(0);
}
}
close(ssock);
}
/*------------------------------------------------------------------------
* main - Iterative TCP server for DAYTIME service
*------------------------------------------------------------------------
*/
int
main(int argc, char *argv[])
{
struct sockaddr_in fsin; /* the from address of a client */
char *service = "daytime"; /* service name or port number */
int msock, ssock; /* master & slave sockets */
unsigned int alen; /* from-address length */
switch (argc) {
case 1:
break;
case 2:
service = argv[1];
break;
default:
errexit("usage: TCPdaytimed [port]\n");
}
msock = passiveTCP(service, QLEN);
while (1) {
alen = sizeof(fsin);
ssock = accept(msock, (struct sockaddr *)&fsin, &alen);
if (ssock < 0)
errexit("accept failed: %s\n", strerror(errno));
TCPdaytimed(ssock);
(void) close(ssock);
}
}
/*------------------------------------------------------------------------
* main - Iterative TCP server for DAYTIME service
*------------------------------------------------------------------------
*/
int
main(int argc, char *argv[])
{
struct sockaddr_in fsin; /* the from address of a client */
char *service = "daytime"; /* service name or port number */
int msock, ssock; /* master & slave sockets */
unsigned int alen; /* from-address length */
pid_t pid;
int status;
switch (argc) {
case 1:
break;
case 2:
service = argv[1];
break;
default:
errexit("usage: TCPdaytimed [port]\n");
}
msock = passiveTCP(service, QLEN);
while (1) {
alen = sizeof(fsin);
ssock = accept(msock, (struct sockaddr *)&fsin, &alen);
if (ssock < 0)
errexit("accept failed: %s\n", strerror(errno));
if((pid = fork()) == 0) /*create child process and run if successful*/
{
close(msock); /*In slave prcess close master socket*/
printf("\nI am in child process, pid is:%d and parent id is:%d\n", getpid(), getppid());
TCPdaytimed(ssock); /*call tcpdaytimed function*/
(void) close(ssock); /*after function call close slave socket*/
exit(0);
}
}
}
int main(int argc, char *argv[])
{
struct sockaddr_in6 fsin, clientadr; /* the from address of a client */
int cliadrlen = sizeof(cliadrlen);
memset(&fsin, 0, sizeof(fsin));
char str[INET6_ADDRSTRLEN];
bzero((char *) &fsin, sizeof(fsin));
int msock, ssock; /* master & slave sockets */
socklen_t alen = sizeof(fsin); /* from-address length */
msock = passivesock(QLEN);
while (1) {
ssock = accept(msock, (struct sockaddr *)&fsin, &alen);
getpeername(ssock, (struct sockaddr *)&clientadr, &cliadrlen);
if(inet_ntop(AF_INET6, &clientadr.sin6_addr, str, sizeof(str))) {
printf("Client address is %s\n", str);
printf("Client port is: %d\n", ntohs(clientadr.sin6_port));
}
if (ssock < 0)
errexit("accept failed: %s\n", strerror(errno));
(void) TCPdaytimed(ssock);
(void) close(ssock);
}
}
