static void ns_add_connection(NS *ns, int fd)
{
NS_Connection *conn = calloc(1, sizeof(NS_Connection));
paSet(&ns->connections, fd, conn);
P dbgPrint(stderr, "New connection on fd %d\n", fd);
disOnData(&ns->dis, fd, ns_handle_data, NULL);
}
/*
* Open a listen socket on port <port>, address <host> and return its file descriptor. If <port> <=
* 0, a random port will be opened (find out which using netLocalPort() on the returned file
* descriptor). If <host> is NULL, the socket will listen on all interfaces. Connection requests
* will be accepted automatically. Data coming in on the resulting socket will be reported via the
* callback installed using nsOnSocket().
*/
int nsListen(NS *ns, const char *host, int port)
{
int listen_fd;
if ((listen_fd = tcpListen(host, port)) < 0) {
return -1;
}
disOnData(&ns->dis, listen_fd, ns_accept_connection, NULL);
return listen_fd;
}
int main(int argc, char *argv[])
{
int i;
Dispatcher *dis = disCreate();
pipe(fd);
disOnData(dis, fd[0], handle_fd0, NULL);
disOnTime(dis, nowd() + 0.1, handle_timeout, NULL);
for (i = 0; i < fd[0]; i++) {
make_sure_that(!disOwnsFd(dis, i));
}
make_sure_that(disOwnsFd(dis, fd[0]));
disRun(dis);
return errors;
}
/*
* Arrange for <cb> to be called when there is data available on file descriptor <fd>. <cb> will be
* called with the given <ns>, <fd> and <udata>, which is a pointer to "user data" that will be
* returned <cb> as it was given here, and that will not be accessed by dis in any way.
*/
void nsOnData(NS *ns, int fd, void (*cb)(NS *ns, int fd, void *udata), const void *udata)
{
disOnData(&ns->dis, fd, (void(*)(Dispatcher *dis, int fd, void *udata)) cb, udata);
}
