snapcast/server/config.h

144 lines
3 KiB
C++

/***
This file is part of snapcast
Copyright (C) 2015 Johannes Pohl
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 3 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, see <http://www.gnu.org/licenses/>.
***/
#ifndef CONFIG_H
#define CONFIG_H
#include <string>
#include <memory>
#include <vector>
#include <sys/time.h>
#include "json/json.hpp"
using json = nlohmann::json;
template<typename T>
T jGet(json j, const std::string& what, const T& def)
{
try
{
return j[what].get<T>();
}
catch(...)
{
return def;
}
}
struct Volume
{
Volume(uint16_t _percent = 100, bool _muted = false) : percent(_percent), muted(_muted)
{
}
void fromJson(const json& j)
{
percent = jGet<uint16_t>(j, "percent", percent);
muted = jGet<bool>(j, "muted", muted);
}
json toJson()
{
json j;
j["percent"] = percent;
j["muted"] = muted;
return j;
}
uint16_t percent;
bool muted;
};
struct ClientInfo
{
ClientInfo(const std::string& _macAddress = "") : macAddress(_macAddress), volume(100), connected(false), latency(0)
{
lastSeen.tv_sec = 0;
lastSeen.tv_usec = 0;
}
void fromJson(const json& j)
{
macAddress = jGet<std::string>(j, "MAC", "");
ipAddress = jGet<std::string>(j, "IP", "");
hostName = jGet<std::string>(j, "host", "");
version = jGet<std::string>(j, "version", "");
name = jGet<std::string>(j, "name", "");
volume.fromJson(j["volume"]);
lastSeen.tv_sec = jGet<int32_t>(j["lastSeen"], "sec", 0);
lastSeen.tv_usec = jGet<int32_t>(j["lastSeen"], "usec", 0);
connected = jGet<bool>(j, "connected", true);
latency = jGet<int32_t>(j, "latency", 0);
}
json toJson()
{
json j;
j["MAC"] = macAddress;
j["IP"] = ipAddress;
j["host"] = hostName;
j["version"] = version;
j["name"] = name;
j["volume"] = volume.toJson();
j["lastSeen"]["sec"] = lastSeen.tv_sec;
j["lastSeen"]["usec"] = lastSeen.tv_usec;
j["connected"] = connected;
j["latency"] = latency;
return j;
}
std::string macAddress;
std::string ipAddress;
std::string hostName;
std::string version;
std::string name;
Volume volume;
bool muted;
timeval lastSeen;
bool connected;
int32_t latency;
};
typedef std::shared_ptr<ClientInfo> ClientInfoPtr;
class Config
{
public:
static Config& instance()
{
static Config instance_;
return instance_;
}
ClientInfoPtr getClientInfo(const std::string& mac, bool add = true);
std::vector<ClientInfoPtr> clients;
json getClientInfos() const;
void save();
private:
Config();
std::string filename_;
};
#endif