mirror of
https://github.com/moonlight-stream/moonlight-embedded.git
synced 2025-07-01 07:15:54 +00:00
119 lines
3.7 KiB
C
119 lines
3.7 KiB
C
/*
|
|
* This file is part of Moonlight Embedded.
|
|
*
|
|
* Based on Avahi example client-browse-services
|
|
*
|
|
* Moonlight is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* Moonlight is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with Moonlight; if not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "errors.h"
|
|
|
|
#include <avahi-client/client.h>
|
|
#include <avahi-client/lookup.h>
|
|
|
|
#include <avahi-common/simple-watch.h>
|
|
#include <avahi-common/malloc.h>
|
|
#include <avahi-common/error.h>
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <stdbool.h>
|
|
#include <time.h>
|
|
|
|
static AvahiSimplePoll *simple_poll = NULL;
|
|
|
|
struct cb_ctx {
|
|
char* address;
|
|
unsigned short* port;
|
|
};
|
|
|
|
static void client_callback(AvahiClient *c, AvahiClientState state, void *userdata) {
|
|
if (state == AVAHI_CLIENT_FAILURE) {
|
|
gs_error = "Server connection failure";
|
|
avahi_simple_poll_quit(simple_poll);
|
|
}
|
|
}
|
|
|
|
static void resolve_callback(AvahiServiceResolver *r, AvahiIfIndex interface, AvahiProtocol protocol, AvahiResolverEvent event, const char *name, const char *type, const char *domain, const char *host_name, const AvahiAddress *address, uint16_t port, AvahiStringList *txt, AvahiLookupResultFlags flags, void *userdata) {
|
|
if (event == AVAHI_RESOLVER_FOUND) {
|
|
if (userdata != NULL) {
|
|
struct cb_ctx* ctx = userdata;
|
|
avahi_address_snprint(ctx->address, AVAHI_ADDRESS_STR_MAX, address);
|
|
*ctx->port = port;
|
|
avahi_simple_poll_quit(simple_poll);
|
|
} else {
|
|
char strAddress[AVAHI_ADDRESS_STR_MAX];
|
|
avahi_address_snprint(strAddress, sizeof(strAddress), address);
|
|
printf(" %s (%s:%u)\n", host_name, strAddress, port);
|
|
}
|
|
}
|
|
|
|
avahi_service_resolver_free(r);
|
|
}
|
|
|
|
static void browse_callback(AvahiServiceBrowser *b, AvahiIfIndex interface, AvahiProtocol protocol, AvahiBrowserEvent event, const char *name, const char *type, const char *domain, AvahiLookupResultFlags flags, void* userdata) {
|
|
AvahiClient *c = avahi_service_browser_get_client(b);
|
|
|
|
switch (event) {
|
|
case AVAHI_BROWSER_FAILURE:
|
|
gs_error = "Server browser failure";
|
|
avahi_simple_poll_quit(simple_poll);
|
|
break;
|
|
case AVAHI_BROWSER_NEW:
|
|
if (!(avahi_service_resolver_new(c, interface, protocol, name, type, domain, AVAHI_PROTO_INET, 0, resolve_callback, userdata)))
|
|
gs_error = "Failed to resolve service";
|
|
|
|
break;
|
|
case AVAHI_BROWSER_REMOVE:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void gs_discover_server(char* dest, unsigned short* port) {
|
|
AvahiClient *client = NULL;
|
|
AvahiServiceBrowser *sb = NULL;
|
|
|
|
if (!(simple_poll = avahi_simple_poll_new())) {
|
|
gs_error = "Failed to create simple poll object";
|
|
goto cleanup;
|
|
}
|
|
|
|
int error;
|
|
client = avahi_client_new(avahi_simple_poll_get(simple_poll), 0, client_callback, NULL, &error);
|
|
if (!client) {
|
|
gs_error = "Failed to create client";
|
|
goto cleanup;
|
|
}
|
|
|
|
struct cb_ctx ctx;
|
|
ctx.address = dest;
|
|
ctx.port = port;
|
|
if (!(sb = avahi_service_browser_new(client, AVAHI_IF_UNSPEC, AVAHI_PROTO_INET, "_nvstream._tcp", NULL, 0, browse_callback, &ctx))) {
|
|
gs_error = "Failed to create service browser";
|
|
goto cleanup;
|
|
}
|
|
|
|
avahi_simple_poll_loop(simple_poll);
|
|
|
|
cleanup:
|
|
if (sb)
|
|
avahi_service_browser_free(sb);
|
|
|
|
if (client)
|
|
avahi_client_free(client);
|
|
|
|
if (simple_poll)
|
|
avahi_simple_poll_free(simple_poll);
|
|
}
|