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//Threaded server TCP
void *startServer(void *arg) {
//sockets
int sockfd, new_fd = 0;
struct sockaddr_in my_addr;
struct sockaddr_in their_addr;
socklen_t sin_size;
int yes = 1;
int port;
char recv_buffer[MAX_RECV_CHAR];
port = (int) arg;
sockfd = socket(PF_INET, SOCK_STREAM, 0);
PFVERB("Server listening on port %d\n", port);
if(sockfd == -1) {
logger_errno("socket() failed on main()");
pthread_exit(NULL);
}
my_addr.sin_family = AF_INET; // host byte order
my_addr.sin_port = htons(port); // short, network byte order
my_addr.sin_addr.s_addr = htonl(INADDR_ANY);
memset(my_addr.sin_zero, '\0', sizeof my_addr.sin_zero);
if(bind(sockfd, (struct sockaddr *) &my_addr, sizeof my_addr) == -1) {
logger_errno("bind() error");
PFVERB("bind() error\n");
pthread_exit(NULL);
}
PFVERB("Socket binded\n");
// lose the pesky "Address already in use" error message
if(setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(int)) == -1) {
logger_errno("setsockopt");
pthread_exit(NULL);
}
if(listen(sockfd, 10) == -1) {
logger_errno("listen()");
pthread_exit(NULL);
}
while(halt == 0) {
sin_size = sizeof their_addr;
if((new_fd = accept(sockfd, (struct sockaddr *) &their_addr, &sin_size)) == -1) {
logger_errno("accept() error");
} else {
printf("server: got connection from %s\n",inet_ntoa(their_addr.sin_addr));
if((sendTCP("Welcome\r\nUse help command\r\n", new_fd)) <= 0) {
logger_errno("sendTCP() error");
}
}
while(halt == 0) {
if((sendTCP("$>", new_fd)) <= 0) {
logger_errno("sendTCP() error");;
} else {
if(rcvTCP(recv_buffer, new_fd, TIMEOUT_SEC) <= 0) {
logger_errno("recvTCP() error");
} else {
current_new_fd = new_fd;
checkCommand(recv_buffer);
}
}
}
close(new_fd);
}
close(sockfd);
halt = 1;
PFVERB("*%10s.......................[OFF]\n", "Server");
pthread_exit(NULL); |
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