avahi: Clean up code formatting
This commit is contained in:
Justin Maggard
parent
0575299a87
commit
cee5cfc04e
259
avahi.c
259
avahi.c
@ -1,8 +1,24 @@
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/*
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* Author: Daniel S. Haischt <me@daniel.stefan.haischt.name>
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* Purpose: Avahi based Zeroconf support
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* Docs: http://avahi.org/download/doxygen/
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/* MiniDLNA media server
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* Copyright (C) 2017 NETGEAR
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*
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* This file is part of MiniDLNA.
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*
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* MiniDLNA is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* MiniDLNA is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with MiniDLNA. If not, see <http://www.gnu.org/licenses/>.
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*/
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/* This file is loosely based on examples from zeroconf_avahi_demos:
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* http://wiki.ros.org/zeroconf_avahi_demos
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* with some ideas from Netatalk's Avahi implementation.
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*/
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#include <config.h>
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@ -24,10 +40,9 @@
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#include "log.h"
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static struct context {
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/* Avahi stuff */
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AvahiThreadedPoll *threaded_poll;
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AvahiClient *client;
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AvahiEntryGroup *group;
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AvahiThreadedPoll *threaded_poll;
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AvahiClient *client;
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AvahiEntryGroup *group;
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} ctx;
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/*****************************************************************
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@ -38,95 +53,59 @@ static void publish_reply(AvahiEntryGroup *g,
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AvahiEntryGroupState state,
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void *userdata);
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/*
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* This function tries to register the AFP DNS
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* SRV service type.
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*/
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static void register_stuff(void) {
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char name[128+1];
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static int
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_add_svc(const char *cat, const char *srv, const char *id, const char *platform)
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{
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char name[128+1];
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char path[64];
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int ret;
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assert(ctx.client);
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snprintf(name, sizeof(name), "%s on %s", cat, friendly_name);
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snprintf(path, sizeof(path),
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"path=/TiVoConnect?Command=QueryContainer&Container=%s", id);
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if (!ctx.group) {
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if (!(ctx.group = avahi_entry_group_new(ctx.client, publish_reply, NULL))) {
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DPRINTF(E_ERROR, L_SSDP, "Failed to create entry group: %s\n",
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avahi_strerror(avahi_client_errno(ctx.client)));
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goto fail;
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}
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}
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DPRINTF(E_INFO, L_SSDP, "Registering '%s' with Avahi\n", name);
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ret = avahi_entry_group_add_service(ctx.group, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC,
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0, name, srv, NULL, NULL, runtime_vars.port,
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"protocol=http", path, platform, NULL);
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if (ret < 0)
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DPRINTF(E_ERROR, L_SSDP, "Failed to add %s: %s\n",
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srv, avahi_strerror(avahi_client_errno(ctx.client)));
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return ret;
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}
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if (avahi_entry_group_is_empty(ctx.group)) {
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/* Register our service */
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/* Try to register the TiVo DNS SRV service type. */
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static void
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register_stuff(void)
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{
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assert(ctx.client);
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DPRINTF(E_INFO, L_SSDP, "Registering '%s' with Avahi\n", friendly_name);
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if (!ctx.group)
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{
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ctx.group = avahi_entry_group_new(ctx.client, publish_reply, NULL);
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if (!ctx.group)
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{
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DPRINTF(E_ERROR, L_SSDP, "Failed to create entry group: %s\n",
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avahi_strerror(avahi_client_errno(ctx.client)));
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return;
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}
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}
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snprintf(name, sizeof(name), "Music on %s", friendly_name);
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if (avahi_entry_group_add_service(ctx.group,
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AVAHI_IF_UNSPEC,
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AVAHI_PROTO_UNSPEC,
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0,
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name,
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"_tivo-music._tcp",
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NULL,
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NULL,
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runtime_vars.port,
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"protocol=http",
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"path=/TiVoConnect?Command=QueryContainer&Container=1",
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NULL) < 0) {
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DPRINTF(E_ERROR, L_SSDP, "Failed to add service: %s\n",
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avahi_strerror(avahi_client_errno(ctx.client)));
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goto fail;
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}
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snprintf(name, sizeof(name), "Photos on %s", friendly_name);
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if (avahi_entry_group_add_service(ctx.group,
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AVAHI_IF_UNSPEC,
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AVAHI_PROTO_UNSPEC,
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0,
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name,
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"_tivo-photos._tcp",
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NULL,
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NULL,
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runtime_vars.port,
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"protocol=http",
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"path=/TiVoConnect?Command=QueryContainer&Container=3",
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NULL) < 0) {
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DPRINTF(E_ERROR, L_SSDP, "Failed to add service: %s\n",
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avahi_strerror(avahi_client_errno(ctx.client)));
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goto fail;
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}
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snprintf(name, sizeof(name), "Videos on %s", friendly_name);
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if (avahi_entry_group_add_service(ctx.group,
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AVAHI_IF_UNSPEC,
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AVAHI_PROTO_UNSPEC,
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0,
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name,
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"_tivo-videos._tcp",
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NULL,
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NULL,
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runtime_vars.port,
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"platform=pc/readydlna",
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"protocol=http",
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"path=/TiVoConnect?Command=QueryContainer&Container=2",
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NULL) < 0) {
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DPRINTF(E_ERROR, L_SSDP, "Failed to add service: %s\n",
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avahi_strerror(avahi_client_errno(ctx.client)));
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goto fail;
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}
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if (avahi_entry_group_commit(ctx.group) < 0) {
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DPRINTF(E_ERROR, L_SSDP, "Failed to commit entry group: %s\n",
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avahi_strerror(avahi_client_errno(ctx.client)));
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goto fail;
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}
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} /* if avahi_entry_group_is_empty*/
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return;
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fail:
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time(NULL);
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if (avahi_entry_group_is_empty(ctx.group))
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{
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if (_add_svc("Music", "_tivo-music._tcp", "1", NULL) < 0)
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return;
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if (_add_svc("Photos", "_tivo-photos._tcp", "3", NULL) < 0)
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return;
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if (_add_svc("Videos", "_tivo-videos._tcp", "2", "platform=pc/readydlna") < 0)
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return;
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if (avahi_entry_group_commit(ctx.group) < 0)
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{
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DPRINTF(E_ERROR, L_SSDP, "Failed to commit entry group: %s\n",
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avahi_strerror(avahi_client_errno(ctx.client)));
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return;
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}
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}
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}
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/* Called when publishing of service data completes */
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@ -137,7 +116,7 @@ static void publish_reply(AvahiEntryGroup *g,
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assert(ctx.group == NULL || g == ctx.group);
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switch (state) {
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case AVAHI_ENTRY_GROUP_ESTABLISHED :
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case AVAHI_ENTRY_GROUP_ESTABLISHED:
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/* The entry group has been established successfully */
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DPRINTF(E_MAXDEBUG, L_SSDP, "publish_reply: AVAHI_ENTRY_GROUP_ESTABLISHED\n");
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break;
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@ -153,8 +132,8 @@ static void publish_reply(AvahiEntryGroup *g,
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avahi_threaded_poll_quit(ctx.threaded_poll);
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break;
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case AVAHI_ENTRY_GROUP_UNCOMMITED:
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break;
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case AVAHI_ENTRY_GROUP_REGISTERING:
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default:
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break;
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}
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}
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@ -163,55 +142,52 @@ static void client_callback(AvahiClient *client,
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AvahiClientState state,
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void *userdata)
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{
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ctx.client = client;
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ctx.client = client;
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switch (state) {
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case AVAHI_CLIENT_S_RUNNING:
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/* The server has startup successfully and registered its host
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* name on the network, so it's time to create our services */
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if (!ctx.group)
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register_stuff();
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break;
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switch (state) {
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case AVAHI_CLIENT_S_RUNNING:
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/* The server has started up successfully and registered its host
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* name on the network, so it's time to create our services */
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register_stuff();
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break;
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case AVAHI_CLIENT_S_COLLISION:
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case AVAHI_CLIENT_S_REGISTERING:
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if (ctx.group)
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avahi_entry_group_reset(ctx.group);
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break;
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case AVAHI_CLIENT_FAILURE:
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if (avahi_client_errno(client) == AVAHI_ERR_DISCONNECTED)
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{
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int error;
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case AVAHI_CLIENT_S_COLLISION:
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if (ctx.group)
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avahi_entry_group_reset(ctx.group);
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break;
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avahi_client_free(ctx.client);
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ctx.client = NULL;
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ctx.group = NULL;
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case AVAHI_CLIENT_FAILURE: {
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if (avahi_client_errno(client) == AVAHI_ERR_DISCONNECTED) {
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int error;
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avahi_client_free(ctx.client);
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ctx.client = NULL;
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ctx.group = NULL;
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/* Reconnect to the server */
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if (!(ctx.client = avahi_client_new(avahi_threaded_poll_get(ctx.threaded_poll),
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AVAHI_CLIENT_NO_FAIL,
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client_callback,
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&ctx,
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&error))) {
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DPRINTF(E_ERROR, L_SSDP, "Failed to contact server: %s\n",
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avahi_strerror(error));
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avahi_threaded_poll_quit(ctx.threaded_poll);
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}
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} else {
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DPRINTF(E_ERROR, L_SSDP, "Client failure: %s\n",
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avahi_strerror(avahi_client_errno(client)));
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avahi_threaded_poll_quit(ctx.threaded_poll);
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}
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break;
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}
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case AVAHI_CLIENT_S_REGISTERING:
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break;
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case AVAHI_CLIENT_CONNECTING:
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break;
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}
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/* Reconnect to the server */
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ctx.client = avahi_client_new(
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avahi_threaded_poll_get(ctx.threaded_poll),
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AVAHI_CLIENT_NO_FAIL, client_callback,
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&ctx, &error);
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if (!ctx.client)
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{
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DPRINTF(E_ERROR, L_SSDP,
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"Failed to contact server: %s\n",
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avahi_strerror(error));
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avahi_threaded_poll_quit(ctx.threaded_poll);
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}
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}
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else
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{
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DPRINTF(E_ERROR, L_SSDP, "Client failure: %s\n",
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avahi_strerror(avahi_client_errno(client)));
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avahi_threaded_poll_quit(ctx.threaded_poll);
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}
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break;
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case AVAHI_CLIENT_CONNECTING:
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default:
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break;
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}
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}
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/************************************************************************
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@ -265,7 +241,6 @@ void tivo_bonjour_register(void)
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tivo_bonjour_unregister();
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}
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else
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DPRINTF(E_INFO, L_SSDP, "Successfully started avahi loop.\n");
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DPRINTF(E_INFO, L_SSDP, "Successfully started avahi loop\n");
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}
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#endif /* HAVE_AVAHI */
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