int
main(int argc, char *argv[])
{
int sd; /* socket descriptor */
int port; /* passive socket port */
int retcode; /* program return code */
if (argc != 2) {
fprintf(stderr, "Invalid number of arguments.\n\n");
print_usage(argv[0]);
return 1;
} /* end if */
port = atoi(argv[1]);
sd = passive_tcp(port, 5);
if (sd < 0) {
fprintf(stderr, "ERROR: cannot create passive TCP connection.\n");
return 1;
} /* end if */
/* (void) signal(SIGINT, sig_handler); */
pthread_mutex_init(&slave_thread_info.mutex, NULL);
pthread_cond_init(&slave_thread_info.thread_exit_cv, NULL);
printf("Accepting client requests on port %d.\n", port);
retcode = accept_clients(sd);
pthread_mutex_destroy(&slave_thread_info.mutex);
pthread_cond_destroy(&slave_thread_info.thread_exit_cv);
return retcode;
} /* end of main */
int
main(int argc, char *argv[])
{
int retcode = EXIT_SUCCESS;
prog_options_t my_opt;
// read program options
if (get_options(argc, argv, &my_opt) == 0) {
print_usage(my_opt.progname);
exit(EXIT_FAILURE);
} /* end if */
// set the time zone (TZ) to GMT in order to
// ignore any other local time zone that would
// interfere with correct time string parsing
setenv("TZ", "GMT", 1);
tzset();
// do some checks and initialisations...
open_logfile(&my_opt);
check_root_dir(&my_opt);
install_signal_handlers();
init_logging_semaphore();
// get root_dir to handle it later in child process
char* root_dir = my_opt.root_dir;
// start the server and create socket
printf("[%d] Starting server '%s'...\n", getpid(), my_opt.progname);
int accepting_socket = passive_tcp(my_opt.server_port, 5);
struct sockaddr_in from_client;
server_running = true;
while(server_running) {
socklen_t from_client_len = sizeof(from_client);
// Accept new Client
int listening_socket = accept(accepting_socket, (struct sockaddr *) &from_client, &from_client_len);
accept_client(accepting_socket, listening_socket, root_dir);
} /* end while */
printf("[%d] Good Bye...\n", getpid());
exit(retcode);
} /* end of main */
int
main(int argc, char *argv[])
{
int retcode = EXIT_SUCCESS;
prog_options_t my_opt;
// read program options
if (get_options(argc, argv, &my_opt) == 0) {
print_usage(my_opt.progname);
exit(EXIT_FAILURE);
} /* end if */
// set the time zone (TZ) to GMT in order to
// ignore any other local time zone that would
// interfere with correct time string parsing
setenv("TZ", "GMT", 1);
tzset();
// do some checks and initialisations...
open_logfile(&my_opt);
check_root_dir(&my_opt);
install_signal_handlers();
init_logging_semaphore();
// get root_dir to handle it later in child process
char* root_dir = my_opt.root_dir;
// start the server and create socket
print_log("Starting server '%s'...\n", my_opt.progname);
int accepting_socket = passive_tcp(my_opt.server_port, 5);
if (accepting_socket < 0){
err_print("Error when opening accepting socket!");
exit(-1);
}
struct sockaddr_in from_client;
int req_no = 0;
server_running = true;
while(server_running) {
socklen_t from_client_len = sizeof(from_client);
int listening_socket = accept(accepting_socket, (struct sockaddr *) &from_client, &from_client_len);
if (listening_socket >= 0){ /* Accept was ok */
++req_no;
pid_t pid = fork();
if (pid == 0)
{ /* Child Process */
print_log("Process created to handle new request #%d\n", req_no);
close(accepting_socket);
handle_client(listening_socket, root_dir);
exit(0);
}
else if (pid > 0)
{ /* Parent Process */
close(listening_socket);
}
else
{ /* Fork Failed */
err_print("Could not fork for new request!");
exit(-1);
}
} /*else {
print_log("Accept failed!\n");
} */
} /* end while */
printf("[%d] Good Bye...\n", getpid());
exit(retcode);
} /* end of main */
