/* atende os clientes */
void *unix_loop (void *arg)
{
fd_set fds;
int fd, cfd, len;
struct timeval tv;
struct sockaddr_un s;
fd = server_fd;
for (;;) {
FD_ZERO (&fds);
FD_SET (fd, &fds);
tv.tv_sec = 1; tv.tv_usec = 0;
if (select (fd + 1, &fds, NULL, NULL, &tv)) {
thread_lock ();
len = sizeof (s);
memset (&s, 0, sizeof (s));
if ((cfd = accept (fd, (struct sockaddr *) &s, &len)) < 0)
perror ("accept"), exit (1);
/* trata os comandos */
unix_client (cfd);
shutdown (cfd, 2);
close (cfd);
thread_unlock ();
}
}
return NULL;
}
int Proxy_listen(Proxy *conn, ProxyClientType type, bstring name)
{
switch(type) {
case PROXY_CLIENT_DOMAIN:
check(name, "DOMAIN client IO specified but NULL given for the name.");
log(INFO, "Attaching to listener server socket on %s.", bdata(name));
conn->client.read_fd = conn->client.write_fd = unix_client(name);
break;
case PROXY_CLIENT_FIFO:
check(name, "FIFO client IO specified but NULL given for the name.");
bstring in_file = bformat("%s.in", bdata(name));
bstring out_file = bformat("%s.out", bdata(name));
check(!mkfifo((const char *)in_file->data, 0600), "Failed to create input fifo.");
check(!mkfifo((const char *)out_file->data, 0600), "Failed to create output fifo.");
log(INFO, "Opening %s for the read FIFO end.", bdata(in_file));
conn->client.read_fd = open((const char *)in_file->data, O_RDONLY);
check(conn->client.read_fd >= 0, "Failed to open read end of FIFO.");
log(INFO, "Opening %s for the write FIFO end.", bdata(out_file));
conn->client.write_fd = open((const char *)out_file->data, O_WRONLY);
check(conn->client.write_fd >= 0, "Failed to open write end of FIFO.");
bdestroy(in_file);
bdestroy(out_file);
break;
case PROXY_CLIENT_STDIO:
log(INFO, "Listening on stdin/stdout.");
conn->client.read_fd = 0;
conn->client.write_fd = 1;
break;
case PROXY_CLIENT_NONE:
fail("You did not set a client connection type.");
break;
default:
fail("Invalid proxy client type given.");
}
check_err(conn->client.read_fd >= 0, LISTENER_IO, "Failed to start listener read side.");
check_err(conn->client.write_fd >= 0, LISTENER_IO, "Failed to start listener write side.");
dbg("Client listening on read_fd %d and write_fd %d", conn->client.read_fd, conn->client.write_fd);
return 1;
on_fail(return 0);
}
