100 lines
2.5 KiB
C++
100 lines
2.5 KiB
C++
/*
|
|
* Copyright 2003-2018 The Music Player Daemon Project
|
|
* http://www.musicpd.org
|
|
*
|
|
* This program 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 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program 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 this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#include "config.h"
|
|
#include "Listen.hxx"
|
|
#include "client/Listener.hxx"
|
|
#include "config/Param.hxx"
|
|
#include "config/Data.hxx"
|
|
#include "config/Option.hxx"
|
|
#include "config/Net.hxx"
|
|
#include "net/UniqueSocketDescriptor.hxx"
|
|
#include "system/Error.hxx"
|
|
#include "util/RuntimeError.hxx"
|
|
#include "fs/AllocatedPath.hxx"
|
|
|
|
#include <string.h>
|
|
#include <assert.h>
|
|
|
|
#ifdef ENABLE_SYSTEMD_DAEMON
|
|
#include <systemd/sd-daemon.h>
|
|
#endif
|
|
|
|
#define DEFAULT_PORT 6600
|
|
|
|
int listen_port;
|
|
|
|
#ifdef ENABLE_SYSTEMD_DAEMON
|
|
|
|
static bool
|
|
listen_systemd_activation(ClientListener &listener)
|
|
{
|
|
int n = sd_listen_fds(true);
|
|
if (n <= 0) {
|
|
if (n < 0)
|
|
throw MakeErrno(-n, "sd_listen_fds() failed");
|
|
return false;
|
|
}
|
|
|
|
for (int i = SD_LISTEN_FDS_START, end = SD_LISTEN_FDS_START + n;
|
|
i != end; ++i)
|
|
listener.AddFD(UniqueSocketDescriptor(i));
|
|
|
|
return true;
|
|
}
|
|
|
|
#endif
|
|
|
|
void
|
|
listen_global_init(const ConfigData &config, ClientListener &listener)
|
|
{
|
|
int port = config.GetPositive(ConfigOption::PORT, DEFAULT_PORT);
|
|
|
|
#ifdef ENABLE_SYSTEMD_DAEMON
|
|
if (listen_systemd_activation(listener))
|
|
return;
|
|
#endif
|
|
|
|
for (const auto ¶m : config.GetParamList(ConfigOption::BIND_TO_ADDRESS)) {
|
|
try {
|
|
ServerSocketAddGeneric(listener, param.value.c_str(),
|
|
port);
|
|
} catch (...) {
|
|
std::throw_with_nested(FormatRuntimeError("Failed to listen on %s (line %i)",
|
|
param.value.c_str(),
|
|
param.line));
|
|
}
|
|
}
|
|
|
|
if (listener.IsEmpty()) {
|
|
/* no "bind_to_address" configured, bind the
|
|
configured port on all interfaces */
|
|
|
|
try {
|
|
listener.AddPort(port);
|
|
} catch (...) {
|
|
std::throw_with_nested(FormatRuntimeError("Failed to listen on *:%d: ", port));
|
|
}
|
|
}
|
|
|
|
listener.Open();
|
|
|
|
listen_port = port;
|
|
}
|