/*----------------------------------------------------------
TCP calls
----------------------------------------------------------*/
static EEL_xno n2_tcp_accept_on(EEL_vm *vm)
{
EEL_xno x;
EEL_value init;
EEL_value *args = vm->heap + vm->argv;
int s;
if(EEL_TYPE(args) == md.ipaddress_cid)
s = NET2_TCPAcceptOnIP(o2IPaddress(args->objref.v));
else
s = NET2_TCPAcceptOn(eel_v2l(args));
if(s < 0)
return EEL_XDEVICEOPEN;
eel_l2v(&init, s);
x = eel_o_construct(vm, md.net2_socket_cid, &init, 1,
vm->heap + vm->resv);
if(x)
{
NET2_TCPClose(s);
return x;
}
return 0;
}
int main(int argc, char **argv)
{
SDL_Event ev;
char welcome[] = "Test de connexion PerudOnLan";
char buf[1024];
int len = 0;
int count = 0;
int s = -1;
int next[0xffff];
int n = -1;
IPaddress *monIP = NULL;
memset(next, 0, sizeof(next));
mySDLInitOrQuit(SDL_INIT_EVENTTHREAD |
SDL_INIT_VIDEO |
SDL_INIT_NOPARACHUTE);
if((NET2_ResolveHost(monIP,"localhost",6666))!=0 || monIP==NULL)
{
fprintf(stderr,"errreur à la récupération de l'IP");
return EXIT_FAILURE;
}
NET2_TCPAcceptOn(monIP->port);
while (FE_WaitEvent(&ev))
{
switch (ev.type)
{
case SDL_USEREVENT:
switch (NET2_GetEventType(&ev))
{
case NET2_TCPACCEPTEVENT:
count++;
printf("accept(%d)\n", NET2_GetSocket(&ev));
s = NET2_GetSocket(&ev);
if (-1 == NET2_TCPSend(s, welcome, sizeof(welcome) - 1))
{
printf("WELCOME SEND FAILED\n");
}
next[s] = 0;
break;
case NET2_TCPRECEIVEEVENT:
s = NET2_GetSocket(&ev);
while (0 != (len = NET2_TCPRead(s, buf, sizeof(buf))))
{
int i;
n = next[s];
for (i = 0; i < len; i++)
{
if (welcome[n] != buf[i])
{
printf("\nout of sync %c != %c\n", welcome[n], buf[i]);
exit(0);
}
n = (n + 1) % (sizeof(welcome) - 1);
}
next[s] = n;
if (-1 == NET2_TCPSend(s, buf, len))
{
printf("RECIEVE SEND FAILED\n");
}
}
break;
case NET2_TCPCLOSEEVENT:
printf("close(%d)\n", NET2_GetSocket(&ev));
NET2_TCPClose(NET2_GetSocket(&ev));
count--;
/*if (0 >= count)
{
exit(0);
}
*/
break;
case NET2_ERROREVENT:
printf("Error: %s(%d)\n", NET2_GetEventError(&ev), NET2_GetSocket(&ev));
exit(0);
break;
}
break;
case SDL_QUIT:
mySDL_Quit();
exit(0);
break;
}
}
mySDL_Quit();
}
int main(int argc, char **argv)
{
SDL_Event ev; // an SDL event
char buf[1024]; // a message buffer
int len = 0; // some counters
int count = 0;
int socks = 0; // the number of
// connected sockets,
// which is also the
// number of connected
// clients.
mySDLInitOrQuit(SDL_INIT_EVENTTHREAD | // initialize SDL. We need
SDL_INIT_VIDEO | // events and it doesn't
SDL_INIT_NOPARACHUTE); // work without video
// This is where we tell NET2 to start accepting TCP/IP connections on
// port 6666. This call does not wait for a connection to come in. It
// tells NET2 to do the waiting and it returns immediately. After this
// call returns your program will get an event any time a computer
// trys to connect to the port given in this call.
NET2_TCPAcceptOn(6666);
while (FE_WaitEvent(&ev)) // wait for events
{
//printSDLEvent(&ev);
switch (ev.type)
{
// all NE2 events are SDL_USEREVENTs but not all user events are NET2
// events. If you use user events in your code you need to be careful
// to make sure you are not using the same event codes that NET2 uses.
case SDL_USEREVENT:
switch(NET2_GetEventType(&ev))
{
// This next piece of code handles an accept event. This event tells
// us that an connection has been accepted. Here, all we do is count
// it. You would normally take some other action.
case NET2_TCPACCEPTEVENT:
printf("accept(%d)\n", NET2_GetSocket(&ev));
printNET2Event(&ev);
socks++;
break;
// This next piece of code is for handling receive
// events. This kind of event tells us we have input waiting
// on a socket. You need to grab all of it. No that we get the
// socket from the event. You can use the socket to tell you
// which user sent the information to you.
case NET2_TCPRECEIVEEVENT:
while (0 != (len = NET2_TCPRead(NET2_GetSocket(&ev), buf, sizeof(buf))))
{
count += len;
}
break;
// If an error occurs on a socket or the other computer closes
// the connection you will get a close event. When you get a
// close event you must close the socket. Use the socket in
// the event to tell you which connection went away.
case NET2_TCPCLOSEEVENT:
printf("close(%d)\n", NET2_GetSocket(&ev));
printNET2Event(&ev);
NET2_TCPClose(NET2_GetSocket(&ev)); // close the socket
printf("count=%d\n", count); fflush(NULL);
socks--;
if (0 >= socks)
{
//exit(0);
}
//count = 0;
break;
// Sometimes you will get errors. It is best to keep track of
// them and try to figure out what is causing them.
case NET2_ERROREVENT:
printf("Error: %s(%d)\n", NET2_GetEventError(&ev), NET2_GetSocket(&ev));
printNET2Event(&ev);
break;
}
break;
case SDL_QUIT: // time to quit
mySDL_Quit(); // clean up and exit
exit(0);
break;
}
}
mySDL_Quit();
}
