/*
 * MIT License
 *
 * Copyright (c) 2016-2019 xiongziliang <771730766@qq.com>
 *
 * This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */


#ifndef COMMON_CONFIG_H
#define COMMON_CONFIG_H

#include <functional>
#include "Util/mini.h"
#include "Util/onceToken.h"
#include "Util/NoticeCenter.h"

using namespace std;
using namespace toolkit;

namespace mediakit {

//加载配置文件，如果配置文件不存在，那么会导出默认配置并生成配置文件
//加载配置文件成功后会触发kBroadcastUpdateConfig广播
//如果指定的文件名(ini_path)为空，那么会加载默认配置文件
//默认配置文件名为 /path/to/your/exe.ini
//加载配置文件成功后返回true，否则返回false
bool loadIniConfig(const char *ini_path = nullptr);
////////////其他宏定义///////////
#ifndef MAX
#define MAX(a,b) ((a) > (b) ? (a) : (b) )
#endif //MAX

#ifndef MIN
#define MIN(a,b) ((a) < (b) ? (a) : (b) )
#endif //MIN

#ifndef CLEAR_ARR
#define CLEAR_ARR(arr) for(auto &item : arr){ item = 0;}
#endif //CLEAR_ARR

#define SERVER_NAME "ZLMediaKit-4.0"
#define VHOST_KEY "vhost"
#define HTTP_SCHEMA "http"
#define RTSP_SCHEMA "rtsp"
#define RTMP_SCHEMA "rtmp"
#define DEFAULT_VHOST "__defaultVhost__"

////////////广播名称///////////
namespace Broadcast {

//注册或反注册MediaSource事件广播
extern const char kBroadcastMediaChanged[];
#define BroadcastMediaChangedArgs const bool &bRegist, const string &schema,const string &vhost,const string &app,const string &stream,MediaSource &sender

//录制mp4文件成功后广播
extern const char kBroadcastRecordMP4[];
#define BroadcastRecordMP4Args const Mp4Info &info

//收到http api请求广播
extern const char kBroadcastHttpRequest[];
#define BroadcastHttpRequestArgs const Parser &parser,const HttpSession::HttpResponseInvoker &invoker,bool &consumed,TcpSession &sender

//该流是否需要认证？是的话调用invoker并传入realm,否则传入空的realm.如果该事件不监听则不认证
extern const char kBroadcastOnGetRtspRealm[];
#define BroadcastOnGetRtspRealmArgs const MediaInfo &args,const RtspSession::onGetRealm &invoker,TcpSession &sender

//请求认证用户密码事件，user_name为用户名，must_no_encrypt如果为true，则必须提供明文密码(因为此时是base64认证方式),否则会导致认证失败
//获取到密码后请调用invoker并输入对应类型的密码和密码类型，invoker执行时会匹配密码
extern const char kBroadcastOnRtspAuth[];
#define BroadcastOnRtspAuthArgs const MediaInfo &args,const string &realm,const string &user_name,const bool &must_no_encrypt,const RtspSession::onAuth &invoker,TcpSession &sender

//鉴权结果回调对象
//如果errMessage为空则代表鉴权成功
typedef std::function<void(const string &errMessage)> AuthInvoker;

//收到rtsp/rtmp推流事件广播，通过该事件控制推流鉴权
extern const char kBroadcastMediaPublish[];
#define BroadcastMediaPublishArgs const MediaInfo &args,const Broadcast::AuthInvoker &invoker,TcpSession &sender

//播放rtsp/rtmp/http-flv事件广播，通过该事件控制播放鉴权
extern const char kBroadcastMediaPlayed[];
#define BroadcastMediaPlayedArgs const MediaInfo &args,const Broadcast::AuthInvoker &invoker,TcpSession &sender

//shell登录鉴权
extern const char kBroadcastShellLogin[];
#define BroadcastShellLoginArgs const string &user_name,const string &passwd,const Broadcast::AuthInvoker &invoker,TcpSession &sender

//停止rtsp/rtmp/http-flv会话后流量汇报事件广播
extern const char kBroadcastFlowReport[];
#define BroadcastFlowReportArgs const MediaInfo &args,const uint64_t &totalBytes,const uint64_t &totalDuration,const bool &isPlayer,TcpSession &sender

//未找到流后会广播该事件，请在监听该事件后去拉流或其他方式产生流，这样就能按需拉流了
extern const char kBroadcastNotFoundStream[];
#define BroadcastNotFoundStreamArgs const MediaInfo &args,TcpSession &sender

//某个流无人消费时触发，目的为了实现无人观看时主动断开拉流等业务逻辑
extern const char kBroadcastStreamNoneReader[];
#define BroadcastStreamNoneReaderArgs MediaSource &sender

//更新配置文件事件广播,执行loadIniConfig函数加载配置文件成功后会触发该广播
extern const char kBroadcastReloadConfig[];
#define BroadcastReloadConfigArgs void

#define ReloadConfigTag  ((void *)(0xFF))
#define RELOAD_KEY(arg,key) \
    do{ \
        decltype(arg) arg##tmp = mINI::Instance()[key]; \
        if(arg != arg##tmp ) { \
            arg = arg##tmp; \
            InfoL << "reload config:" << key << "=" <<  arg; \
        } \
    }while(0);

//监听某个配置发送变更
#define LISTEN_RELOAD_KEY(arg,key) \
    do{ \
        static onceToken s_token([](){ \
            NoticeCenter::Instance().addListener(ReloadConfigTag,Broadcast::kBroadcastReloadConfig,[](BroadcastReloadConfigArgs){ \
                RELOAD_KEY(arg,key); \
            }); \
        }); \
    }while(0);

#define GET_CONFIG(type,arg,key) \
        static type arg = mINI::Instance()[key]; \
        LISTEN_RELOAD_KEY(arg,key);


//兼容老代码
#define GET_CONFIG_AND_REGISTER GET_CONFIG
#define BroadcastRtmpPublishArgs BroadcastMediaPublishArgs
#define kBroadcastRtmpPublish kBroadcastMediaPublish
} //namespace Broadcast

////////////通用配置///////////
namespace General{
//流量汇报事件流量阈值,单位KB，默认1MB
extern const char kFlowThreshold[];
//流无人观看并且超过若干时间后才触发kBroadcastStreamNoneReader事件
//默认连续5秒无人观看然后触发kBroadcastStreamNoneReader事件
extern const char kStreamNoneReaderDelayMS[];
//等待流注册超时时间，收到播放器后请求后，如果未找到相关流，服务器会等待一定时间，
//如果在这个时间内，相关流注册上了，那么服务器会立即响应播放器播放成功，
//否则会最多等待kMaxStreamWaitTimeMS毫秒，然后响应播放器播放失败
extern const char kMaxStreamWaitTimeMS[];
//是否启动虚拟主机
extern const char kEnableVhost[];
}//namespace General


////////////HTTP配置///////////
namespace Http {
//http 文件发送缓存大小
extern const char kSendBufSize[];
//http 最大请求字节数
extern const char kMaxReqSize[];
//http keep-alive秒数
extern const char kKeepAliveSecond[];
//http keep-alive最大请求数
extern const char kMaxReqCount[];
//http 字符编码
extern const char kCharSet[];
//http 服务器根目录
extern const char kRootPath[];
//http 404错误提示内容
extern const char kNotFound[];
}//namespace Http

////////////SHELL配置///////////
namespace Shell {
extern const char kMaxReqSize[];
} //namespace Shell

////////////RTSP服务器配置///////////
namespace Rtsp {
//是否优先base64方式认证？默认Md5方式认证
extern const char kAuthBasic[];
//握手超时时间，默认15秒
extern const char kHandshakeSecond[];
//维持链接超时时间，默认15秒
extern const char kKeepAliveSecond[];
} //namespace Rtsp

////////////RTMP服务器配置///////////
namespace Rtmp {
extern const char kModifyStamp[];
//握手超时时间，默认15秒
extern const char kHandshakeSecond[];
//维持链接超时时间，默认15秒
extern const char kKeepAliveSecond[];
} //namespace RTMP


////////////RTP配置///////////
namespace Rtp {
//RTP打包最大MTU,公网情况下更小
extern const char kVideoMtuSize[];
//RTP打包最大MTU,公网情况下更小
extern const char kAudioMtuSize[];
//RTP排序缓存最大个数
extern const char kMaxRtpCount[];
//如果RTP序列正确次数累计达到该数字就启动清空排序缓存
extern const char kClearCount[];
//最大RTP时间为13个小时，每13小时回环一次
extern const char kCycleMS[];
} //namespace Rtsp

////////////组播配置///////////
namespace MultiCast {
//组播分配起始地址
extern const char kAddrMin[];
//组播分配截止地址
extern const char kAddrMax[];
//组播TTL
extern const char kUdpTTL[];
} //namespace MultiCast

////////////录像配置///////////
namespace Record {
//查看录像的应用名称
extern const char kAppName[];
//每次流化MP4文件的时长,单位毫秒
extern const char kSampleMS[];
//MP4文件录制大小,默认一个小时
extern const char kFileSecond[];
//录制文件路径
extern const char kFilePath[];
} //namespace Record

////////////HLS相关配置///////////
namespace Hls {
//HLS切片时长,单位秒
extern const char kSegmentDuration[];
//HLS切片个数
extern const char kSegmentNum[];
//HLS文件写缓存大小
extern const char kFileBufSize[];
//录制文件路径
extern const char kFilePath[];
} //namespace Hls


/**
 * rtsp/rtmp播放器、推流器相关设置名，
 * 这些设置项都不是配置文件用
 * 只用于设置某个播放器或推流器实例用
 */
namespace Client {
//指定网卡ip
extern const char kNetAdapter[];
//设置rtp传输类型，可选项有0(tcp，默认)、1(udp)、2(组播)
//设置方法:player[PlayerBase::kRtpType] = 0/1/2;
extern const char kRtpType[];
//rtsp认证用户名
extern const char kRtspUser[];
//rtsp认证用用户密码，可以是明文也可以是md5,md5密码生成方式 md5(username:realm:password)
extern const char kRtspPwd[];
//rtsp认证用用户密码是否为md5类型
extern const char kRtspPwdIsMD5[];
//握手超时时间，默认10,000 毫秒
extern const char kTimeoutMS[];
//rtp/rtmp包接收超时时间，默认5000秒
extern const char kMediaTimeoutMS[];
//rtsp/rtmp心跳时间,默认5000毫秒
extern const char kBeatIntervalMS[];
//Track编码格式探测最大时间，单位毫秒，默认2000
extern const char kMaxAnalysisMS[];
}
}  // namespace mediakit

#endif /* COMMON_CONFIG_H */