93 lines
2.4 KiB
C++
93 lines
2.4 KiB
C++
/*
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* Copyright 2003-2022 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "Glue.hxx"
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#include "Helper.hxx"
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#include "config/Data.hxx"
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#include "config/Option.hxx"
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#include "Listen.hxx"
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#include "util/Domain.hxx"
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#include "Log.hxx"
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#include "util/Compiler.h"
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#ifdef HAVE_AVAHI
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#include "avahi/Helper.hxx"
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#endif
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#ifdef HAVE_BONJOUR
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#include "Bonjour.hxx"
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#endif
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#include <climits>
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#include <string.h>
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#include <unistd.h>
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#ifndef HOST_NAME_MAX
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/* HOST_NAME_MAX is not a portable macro; it is undefined on some
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systems */
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#define HOST_NAME_MAX 255
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#endif
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static constexpr Domain zeroconf_domain("zeroconf");
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/* The default service name to publish
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* (overridden by 'zeroconf_name' config parameter)
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*/
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#define SERVICE_NAME "Music Player @ %h"
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/* The dns-sd service type qualifier to publish */
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#define SERVICE_TYPE "_mpd._tcp"
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#define DEFAULT_ZEROCONF_ENABLED 1
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std::unique_ptr<ZeroconfHelper>
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ZeroconfInit(const ConfigData &config, [[maybe_unused]] EventLoop &loop)
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{
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const char *serviceName;
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if (!config.GetBool(ConfigOption::ZEROCONF_ENABLED,
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DEFAULT_ZEROCONF_ENABLED))
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return nullptr;
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if (listen_port <= 0) {
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LogWarning(zeroconf_domain,
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"No global port, disabling zeroconf");
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return nullptr;
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}
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serviceName = config.GetString(ConfigOption::ZEROCONF_NAME,
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SERVICE_NAME);
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/* replace "%h" with the host name */
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const char *h = strstr(serviceName, "%h");
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std::string buffer;
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if (h != nullptr) {
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char hostname[HOST_NAME_MAX+1];
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if (gethostname(hostname, HOST_NAME_MAX) == 0) {
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buffer = serviceName;
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buffer.replace(h - serviceName, 2, hostname);
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serviceName = buffer.c_str();
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}
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}
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return std::make_unique<ZeroconfHelper>(loop, serviceName,
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SERVICE_TYPE, listen_port);
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}
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