int main()
{
int sem_id = create_sem(1);
init_sem(sem_id, 0, 1);
pid_t id = fork();
if(id < 0)
{
perror("fork");
return -1;
}
else if(id == 0)
{//child
while(1)
{
sem_P(sem_id);
printf("A");
fflush(stdout);
usleep(20000);
usleep(23456);
printf("A");
sem_V(sem_id);
}
}
else
{//father
while(1)
{
sem_P(sem_id);
printf("B");
fflush(stdout);
usleep(29633);
usleep(23456);
printf("B");
sem_V(sem_id);
}
}
destroy_sem(sem_id);
return 0;
}
void SimpleThread(void* which) {
int i;
sem_P(*((struct s*)which)->sem);
for (i = 0; i < 1000; i++) {
PutChar(((struct s*)which)->c);
}
sem_V(*((struct s*)which)->sem);
UserThreadExit();
}
void send_QR(int sleepTime)
{
sleep(sleepTime);
t_msg_header hdr;
hdr.type = RFC_QUESTIONREQUEST;
printf("cr: %i \n", hdr.type);
//umdrehen <=16 Bit werte
hdr.length = 0;
sem_P(keymng_local(KEY_GCI_SEM));
send(GCI.sock, &hdr, sizeof(hdr), 0);
sem_V(keymng_local(KEY_GCI_SEM));
printf("QR was send \n");
}
void sendCR()
{
t_msg_header hdr;
hdr.type = RFC_CATALOGREQUEST;
printf("cr: %i \n", hdr.type);
//umdrehen <=16 Bit werte
hdr.length = 0;
sem_P(keymng_local(KEY_GCI_SEM));
send(GCI.sock, &hdr, sizeof(hdr), 0);
sem_V(keymng_local(KEY_GCI_SEM));
printf("CR was send \n");
}
/**===========================================
* @brief main thread, starting up the client and the other threads
* @param argc:int argv**char
* ==========================================*/
int main(int argc, char **argv)
{
char *name = "Guest";
char *server = "localhost";
char *port = "54321";
int thread;
int ret, c, conn=0;
while(optind < argc) {
int option_index = 0;
static struct option long_options[] = {
{"name", required_argument, 0, 'n'},
{"port", optional_argument, 0, 'p'},
{"help", no_argument, 0, 'h'},
{0,0,0,0}
};
c = getopt_long(argc, argv, "hp:n:", long_options, &option_index);
if(c == -1) break;
switch(c) {
case '?': /* unknown parameter */
case ':': /* missing argument */
print_help(argv[0]);
break;
case 'n':
name = strdup(optarg);
if(!name) return -1;
break;
case 'p':
port = strdup(optarg);
break;
case 'h':
print_help(argv[0]);
break;
default:
break;
}
}
while(optind < argc) {
server = argv[optind++];
}
GCI.name = name;
printf("Benutzername: %s\n", GCI.name);
printf("server: %s", server);
struct addrinfo *addr_info, *p;
ret = getaddrinfo(server, port, NULL, &addr_info);
if(ret) {
printf("getaddrinfo: %s\n", gai_strerror(ret));
exit(-1);
}
p = addr_info;
while (p)
{
if(p->ai_socktype != SOCK_STREAM)/* we only care about TCP */
{
p = p->ai_next;
continue;
}
int sock = socket(p->ai_family, p->ai_socktype, 0);
if(sock == -1)
{
perror("socket");
exit(-1);
}
if(connect(sock, p->ai_addr, p->ai_addrlen) == 0)
{
signal(SIGINT, sigint_handler);
// move to better positioon
sem_V(keymng_local(KEY_GCI_SEM));
printf("Socket OK");
GCI.sock = sock;
send_login(GCI.name);
int state = wait_loginOK();
if(state !=0)
{
printf("Keine antwort erhalten \n");
return 0;
}
printf("juhu ich bin eingeloggt \n");
GCI.status = preparation;
conn =1;
guiInit(&argc, &argv);
printf("GUI init \n");
setClientMode();
preparation_showWindow();
guiShowMessageDialog("Willkommen bei You Dont Know Rainer",0);
// start the threads
thread = pthread_create(&listener_thread_id, NULL, &listener_thread, NULL);
if(thread)
{
printf("Failed to start Listener Thread\n");
exit(0);
}
thread = pthread_create(&fragen_thread_id, NULL, &fragen_thread, NULL);
if(thread)
{
printf("Failed to start Fragewechsel Thread\n");
exit(0);
}
//katalog request
sendCR();
guiMain();
guiDestroy();
}
close(sock);
p = p->ai_next;
}
if(conn==0)
printf("Could not connect to server :/\n");
freeaddrinfo(addr_info);
exit(0);
}
