/* net_connect_wait_cb:
* See `net_connect_wait_*'. This version calls the given
* callback while waiting, and aborts if the callback returns
* nonzero.
*/
int net_connect_wait_cb (NET_CONN *conn, const char *addr, int (*cb)(void))
{
int x = 0, y;
if (net_connect (conn, addr)) return -1;
do {
if (cb) x = cb();
y = net_poll_connect (conn);
safe_sleep (1);
} while ((x == 0) && (y == 0));
if (y < 0) return -1;
if (y > 0) return 0;
return 1;
}
/* net_connect_wait_time:
* See `net_connect_wait_*'. The event in this case is that
* `time' seconds have passed.
*/
int net_connect_wait_time (NET_CONN *conn, const char *addr, int time)
{
int y;
if (net_connect (conn, addr)) return -1;
do {
time--;
y = net_poll_connect (conn);
safe_sleep (1);
} while ((time >= 0) && (y == 0));
if (y < 0) return -1;
if (y > 0) return 0;
return 1;
}
void *pv_messclient_send(){
NET_CONN *conn = NULL;
char message[MAX_MESS_LEN + 2];
int status = 0;
int message_len = 0;
int conn_attempts = 0;
/* Send Sign in Massage*/
conn = net_openconn (DRIVER,NULL);
if (!conn) {
fprintf (stderr,"Error opening conn.\n");
exit(ERROR);
}
if (net_connect (conn,server_IP_port) != 0) {
fprintf (stderr,"Error initiating connection.\n");
exit(ERROR);
}
/* Try to connect */
for(conn_attempts=0;conn_attempts < CONN_ATTEMPTS; conn_attempts++ ){
status = net_poll_connect(conn);
sleep(1);
if(status > 0){
break;
}/*if*/
}/*for*/
/* if fail to coonnect */
if(conn_attempts == CONN_ATTEMPTS ){
printf("# Server unreachable !!!\n");
printf("Good bye !!!\n");
exit(0);
}/*if*/
if (status < 0) {
fprintf(stderr,"Error connecting.");
exit(ERROR);
}
/* Prepare Message */
message[0]='S'; /*Sign in*/
memcpy(message+1,&user_data,sizeof(user_data));
/* Send a message */
net_send_rdm (conn,message,sizeof(user_data) + 1);
/* Close the conn. */
net_closeconn (conn);
printf("Enter text to send. Press Enter to quit.\n");
/* Print Uset ID */
printf("# IP : %s PID :%d :", user_data.local_IP, user_data.pid );
fflush(stdout);
while(1){
/* Let user enter something. */
message_len = read(0,message+1+sizeof(user_data),MAX_MESS_LEN + 1);
if( message_len == -1){
fprintf(stderr,"# Fatal Error!\n");
exit(ERROR);
}/*if*/
if( message_len > MAX_MESS_LEN ){
printf("# Too long message ! Message is discarded !\n");
continue;
}/*if*/
conn = net_openconn (DRIVER, NULL);
if (!conn) {
fprintf (stderr,"Error opening conn.\n");
exit(ERROR);
}
if (net_connect (conn,server_IP_port) != 0) {
fprintf (stderr,"Error initiating connection.\n");
exit(ERROR);
}
/* Try to connect */
for(conn_attempts=0;conn_attempts < CONN_ATTEMPTS; conn_attempts++ ){
status = net_poll_connect(conn);
sleep(1);
if(status > 0){
break;
}/*if*/
}/*for*/
/* if fail to coonnect */
if(conn_attempts == CONN_ATTEMPTS ){
printf("# Server unreachable !!!\n");
printf("Good bye !!!\n");
exit(0);
}/*if*/
/*
do status = net_poll_connect (conn);
while (status == 0);
*/
if (status < 0) {
fprintf (stderr,"Error connecting.");
exit(ERROR);
}
/* Put the Client ID in the message */
memcpy(message+1,&user_data,sizeof(user_data));
/* Logout */
if( message_len == 1){
message[0]='L'; /* Logout */
/* Send a message */
net_send_rdm (conn,message, sizeof(user_data) + 1);
printf("# Good Bye !!!\n");
exit(0);
}
else{
message[0]='M'; /* Message */
/* Send a message */
message[message_len + 1 + sizeof(user_data)] = '\0';
net_send_rdm (conn, message, message_len + 1 + sizeof(user_data) + 1);
}
/* Close the conn. */
net_closeconn (conn);
} /* while */
return OK;
}
