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ZLMediaKit/server/WebApi.cpp
xiongziliang fe02f2cf1c rtc推流和播放添加事件触发
2021-04-04 23:20:10 +08:00

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/*
* Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
*
* This file is part of ZLMediaKit(https://github.com/xia-chu/ZLMediaKit).
*
* Use of this source code is governed by MIT license that can be found in the
* LICENSE file in the root of the source tree. All contributing project authors
* may be found in the AUTHORS file in the root of the source tree.
*/
#include <sys/stat.h>
#include <math.h>
#include <signal.h>
#include <functional>
#include <unordered_map>
#include "Util/util.h"
#include "Util/logger.h"
#include "Util/onceToken.h"
#include "Util/NoticeCenter.h"
#ifdef ENABLE_MYSQL
#include "Util/SqlPool.h"
#endif //ENABLE_MYSQL
#include "Common/config.h"
#include "Common/MediaSource.h"
#include "Http/HttpRequester.h"
#include "Http/HttpSession.h"
#include "Network/TcpServer.h"
#include "Player/PlayerProxy.h"
#include "Util/MD5.h"
#include "WebApi.h"
#include "WebHook.h"
#include "Thread/WorkThreadPool.h"
#include "Rtp/RtpSelector.h"
#include "FFmpegSource.h"
#if defined(ENABLE_RTPPROXY)
#include "Rtp/RtpServer.h"
#endif
#ifdef ENABLE_WEBRTC
#include "../webrtc/WebRtcTransport.h"
#endif
using namespace toolkit;
using namespace mediakit;
namespace API {
#define API_FIELD "api."
const string kApiDebug = API_FIELD"apiDebug";
const string kSecret = API_FIELD"secret";
const string kSnapRoot = API_FIELD"snapRoot";
const string kDefaultSnap = API_FIELD"defaultSnap";
static onceToken token([]() {
mINI::Instance()[kApiDebug] = "1";
mINI::Instance()[kSecret] = "035c73f7-bb6b-4889-a715-d9eb2d1925cc";
mINI::Instance()[kSnapRoot] = "./www/snap/";
mINI::Instance()[kDefaultSnap] = "./www/logo.png";
});
}//namespace API
using HttpApi = function<void(const Parser &parser, const HttpSession::HttpResponseInvoker &invoker, SockInfo &sender)>;
//http api列表
static map<string, HttpApi> s_map_api;
static void responseApi(const Json::Value &res, const HttpSession::HttpResponseInvoker &invoker){
GET_CONFIG(string, charSet, Http::kCharSet);
HttpSession::KeyValue headerOut;
headerOut["Content-Type"] = string("application/json; charset=") + charSet;
invoker(200, headerOut, res.toStyledString());
};
static void responseApi(int code, const string &msg, const HttpSession::HttpResponseInvoker &invoker){
Json::Value res;
res["code"] = code;
res["msg"] = msg;
responseApi(res, invoker);
}
static ApiArgsType getAllArgs(const Parser &parser);
static HttpApi toApi(const function<void(API_ARGS_MAP_ASYNC)> &cb) {
return [cb](const Parser &parser, const HttpSession::HttpResponseInvoker &invoker, SockInfo &sender) {
GET_CONFIG(string, charSet, Http::kCharSet);
HttpSession::KeyValue headerOut;
headerOut["Content-Type"] = string("application/json; charset=") + charSet;
Json::Value val;
val["code"] = API::Success;
//参数解析成map
auto args = getAllArgs(parser);
cb(sender, parser.getHeader(), headerOut, args, val, invoker);
};
}
static HttpApi toApi(const function<void(API_ARGS_MAP)> &cb) {
return toApi([cb](API_ARGS_MAP_ASYNC) {
cb(API_ARGS_VALUE);
invoker(200, headerOut, val.toStyledString());
});
}
static HttpApi toApi(const function<void(API_ARGS_JSON_ASYNC)> &cb) {
return [cb](const Parser &parser, const HttpSession::HttpResponseInvoker &invoker, SockInfo &sender) {
GET_CONFIG(string, charSet, Http::kCharSet);
HttpSession::KeyValue headerOut;
headerOut["Content-Type"] = string("application/json; charset=") + charSet;
Json::Value out;
out["code"] = API::Success;
if (parser["Content-Type"].find("application/json") == string::npos) {
throw InvalidArgsException("该接口只支持json格式的请求");
}
//参数解析成json对象然后处理
Json::Value in;
Json::Reader reader;
reader.parse(parser.Content(), in);
cb(sender, parser.getHeader(), headerOut, in, out, invoker);
};
}
static HttpApi toApi(const function<void(API_ARGS_JSON)> &cb) {
return toApi([cb](API_ARGS_JSON_ASYNC) {
cb(API_ARGS_VALUE);
invoker(200, headerOut, val.toStyledString());
});
}
static HttpApi toApi(const function<void(API_ARGS_STRING_ASYNC)> &cb) {
return [cb](const Parser &parser, const HttpSession::HttpResponseInvoker &invoker, SockInfo &sender) {
GET_CONFIG(string, charSet, Http::kCharSet);
HttpSession::KeyValue headerOut;
headerOut["Content-Type"] = string("application/json; charset=") + charSet;
Json::Value val;
val["code"] = API::Success;
cb(sender, parser.getHeader(), headerOut, parser, val, invoker);
};
}
static HttpApi toApi(const function<void(API_ARGS_STRING)> &cb) {
return toApi([cb](API_ARGS_STRING_ASYNC) {
cb(API_ARGS_VALUE);
invoker(200, headerOut, val.toStyledString());
});
}
void api_regist(const string &api_path, const function<void(API_ARGS_MAP)> &func) {
s_map_api.emplace(api_path, toApi(func));
}
void api_regist(const string &api_path, const function<void(API_ARGS_MAP_ASYNC)> &func) {
s_map_api.emplace(api_path, toApi(func));
}
void api_regist(const string &api_path, const function<void(API_ARGS_JSON)> &func) {
s_map_api.emplace(api_path, toApi(func));
}
void api_regist(const string &api_path, const function<void(API_ARGS_JSON_ASYNC)> &func) {
s_map_api.emplace(api_path, toApi(func));
}
void api_regist(const string &api_path, const function<void(API_ARGS_STRING)> &func){
s_map_api.emplace(api_path, toApi(func));
}
void api_regist(const string &api_path, const function<void(API_ARGS_STRING_ASYNC)> &func){
s_map_api.emplace(api_path, toApi(func));
}
//获取HTTP请求中url参数、content参数
static ApiArgsType getAllArgs(const Parser &parser) {
ApiArgsType allArgs;
if (parser["Content-Type"].find("application/x-www-form-urlencoded") == 0) {
auto contentArgs = parser.parseArgs(parser.Content());
for (auto &pr : contentArgs) {
allArgs[pr.first] = HttpSession::urlDecode(pr.second);
}
} else if (parser["Content-Type"].find("application/json") == 0) {
try {
stringstream ss(parser.Content());
Value jsonArgs;
ss >> jsonArgs;
auto keys = jsonArgs.getMemberNames();
for (auto key = keys.begin(); key != keys.end(); ++key) {
allArgs[*key] = jsonArgs[*key].asString();
}
} catch (std::exception &ex) {
WarnL << ex.what();
}
} else if (!parser["Content-Type"].empty()) {
WarnL << "invalid Content-Type:" << parser["Content-Type"];
}
for (auto &pr : parser.getUrlArgs()) {
allArgs[pr.first] = pr.second;
}
return allArgs;
}
extern uint64_t getTotalMemUsage();
static inline void addHttpListener(){
GET_CONFIG(bool, api_debug, API::kApiDebug);
//注册监听kBroadcastHttpRequest事件
NoticeCenter::Instance().addListener(nullptr, Broadcast::kBroadcastHttpRequest, [](BroadcastHttpRequestArgs) {
auto it = s_map_api.find(parser.Url());
if (it == s_map_api.end()) {
return;
}
//该api已被消费
consumed = true;
if(api_debug){
auto newInvoker = [invoker, parser](int code,
const HttpSession::KeyValue &headerOut,
const HttpBody::Ptr &body) {
//body默认为空
ssize_t size = 0;
if (body && body->remainSize()) {
//有body，获取body大小
size = body->remainSize();
}
if (size && size < 4 * 1024) {
string contentOut = body->readData(size)->toString();
DebugL << "\r\n# request:\r\n" << parser.Method() << " " << parser.FullUrl() << "\r\n"
<< "# content:\r\n" << parser.Content() << "\r\n"
<< "# response:\r\n"
<< contentOut << "\r\n";
invoker(code, headerOut, contentOut);
} else {
DebugL << "\r\n# request:\r\n" << parser.Method() << " " << parser.FullUrl() << "\r\n"
<< "# content:\r\n" << parser.Content() << "\r\n"
<< "# response size:"
<< size << "\r\n";
invoker(code, headerOut, body);
}
};
((HttpSession::HttpResponseInvoker &) invoker) = newInvoker;
}
try {
it->second(parser, invoker, sender);
} catch (ApiRetException &ex) {
responseApi(ex.code(), ex.what(), invoker);
}
#ifdef ENABLE_MYSQL
catch(SqlException &ex){
responseApi(API::SqlFailed, StrPrinter << "操作数据库失败:" << ex.what() << ":" << ex.getSql(), invoker);
}
#endif// ENABLE_MYSQL
catch (std::exception &ex) {
responseApi(API::Exception, ex.what(), invoker);
}
});
}
//拉流代理器列表
static unordered_map<string ,PlayerProxy::Ptr> s_proxyMap;
static recursive_mutex s_proxyMapMtx;
//FFmpeg拉流代理器列表
static unordered_map<string ,FFmpegSource::Ptr> s_ffmpegMap;
static recursive_mutex s_ffmpegMapMtx;
#if defined(ENABLE_RTPPROXY)
//rtp服务器列表
static unordered_map<string, RtpServer::Ptr> s_rtpServerMap;
static recursive_mutex s_rtpServerMapMtx;
#endif
static inline string getProxyKey(const string &vhost,const string &app,const string &stream){
return vhost + "/" + app + "/" + stream;
}
/**
* 安装api接口
* 所有api都支持GET和POST两种方式
* POST方式参数支持application/json和application/x-www-form-urlencoded方式
*/
void installWebApi() {
addHttpListener();
GET_CONFIG(string,api_secret,API::kSecret);
//获取线程负载
//测试url http://127.0.0.1/index/api/getThreadsLoad
api_regist("/index/api/getThreadsLoad",[](API_ARGS_MAP_ASYNC){
EventPollerPool::Instance().getExecutorDelay([invoker, headerOut](const vector<int> &vecDelay) {
Value val;
auto vec = EventPollerPool::Instance().getExecutorLoad();
int i = API::Success;
for (auto load : vec) {
Value obj(objectValue);
obj["load"] = load;
obj["delay"] = vecDelay[i++];
val["data"].append(obj);
}
val["code"] = API::Success;
invoker(200, headerOut, val.toStyledString());
});
});
//获取后台工作线程负载
//测试url http://127.0.0.1/index/api/getWorkThreadsLoad
api_regist("/index/api/getWorkThreadsLoad", [](API_ARGS_MAP_ASYNC){
WorkThreadPool::Instance().getExecutorDelay([invoker, headerOut](const vector<int> &vecDelay) {
Value val;
auto vec = WorkThreadPool::Instance().getExecutorLoad();
int i = 0;
for (auto load : vec) {
Value obj(objectValue);
obj["load"] = load;
obj["delay"] = vecDelay[i++];
val["data"].append(obj);
}
val["code"] = API::Success;
invoker(200, headerOut, val.toStyledString());
});
});
//获取服务器配置
//测试url http://127.0.0.1/index/api/getServerConfig
api_regist("/index/api/getServerConfig",[](API_ARGS_MAP){
CHECK_SECRET();
Value obj;
for (auto &pr : mINI::Instance()) {
obj[pr.first] = (string &) pr.second;
}
val["data"].append(obj);
});
//设置服务器配置
//测试url(比如关闭http api调试) http://127.0.0.1/index/api/setServerConfig?api.apiDebug=0
//你也可以通过http post方式传参，可以通过application/x-www-form-urlencoded或application/json方式传参
api_regist("/index/api/setServerConfig",[](API_ARGS_MAP){
CHECK_SECRET();
auto &ini = mINI::Instance();
int changed = API::Success;
for (auto &pr : allArgs) {
if (ini.find(pr.first) == ini.end()) {
//没有这个key
continue;
}
if (ini[pr.first] == pr.second) {
continue;
}
ini[pr.first] = pr.second;
//替换成功
++changed;
}
if (changed > 0) {
NoticeCenter::Instance().emitEvent(Broadcast::kBroadcastReloadConfig);
ini.dumpFile(g_ini_file);
}
val["changed"] = changed;
});
static auto s_get_api_list = [](API_ARGS_MAP){
CHECK_SECRET();
for(auto &pr : s_map_api){
val["data"].append(pr.first);
}
};
//获取服务器api列表
//测试url http://127.0.0.1/index/api/getApiList
api_regist("/index/api/getApiList",[](API_ARGS_MAP){
s_get_api_list(API_ARGS_VALUE);
});
//获取服务器api列表
//测试url http://127.0.0.1/index/
api_regist("/index/",[](API_ARGS_MAP){
s_get_api_list(API_ARGS_VALUE);
});
#if !defined(_WIN32)
//重启服务器,只有Daemon方式才能重启，否则是直接关闭！
//测试url http://127.0.0.1/index/api/restartServer
api_regist("/index/api/restartServer",[](API_ARGS_MAP){
CHECK_SECRET();
EventPollerPool::Instance().getPoller()->doDelayTask(1000,[](){
//尝试正常退出
::kill(getpid(), SIGINT);
//3秒后强制退出
EventPollerPool::Instance().getPoller()->doDelayTask(3000,[](){
exit(0);
return 0;
});
return 0;
});
val["msg"] = "服务器将在一秒后自动重启";
});
#endif//#if !defined(_WIN32)
static auto makeMediaSourceJson = [](const MediaSource::Ptr &media){
Value item;
item["schema"] = media->getSchema();
item["vhost"] = media->getVhost();
item["app"] = media->getApp();
item["stream"] = media->getId();
item["createStamp"] = (Json::UInt64) media->getCreateStamp();
item["aliveSecond"] = (Json::UInt64) media->getAliveSecond();
item["bytesSpeed"] = media->getBytesSpeed();
item["readerCount"] = media->readerCount();
item["totalReaderCount"] = media->totalReaderCount();
item["originType"] = (int) media->getOriginType();
item["originTypeStr"] = getOriginTypeString(media->getOriginType());
item["originUrl"] = media->getOriginUrl();
auto originSock = media->getOriginSock();
if (originSock) {
item["originSock"]["local_ip"] = originSock->get_local_ip();
item["originSock"]["local_port"] = originSock->get_local_port();
item["originSock"]["peer_ip"] = originSock->get_peer_ip();
item["originSock"]["peer_port"] = originSock->get_peer_port();
item["originSock"]["identifier"] = originSock->getIdentifier();
} else {
item["originSock"] = Json::nullValue;
}
for(auto &track : media->getTracks()){
Value obj;
auto codec_type = track->getTrackType();
obj["codec_id"] = track->getCodecId();
obj["codec_id_name"] = track->getCodecName();
obj["ready"] = track->ready();
obj["codec_type"] = codec_type;
switch(codec_type){
case TrackAudio : {
auto audio_track = dynamic_pointer_cast<AudioTrack>(track);
obj["sample_rate"] = audio_track->getAudioSampleRate();
obj["channels"] = audio_track->getAudioChannel();
obj["sample_bit"] = audio_track->getAudioSampleBit();
break;
}
case TrackVideo : {
auto video_track = dynamic_pointer_cast<VideoTrack>(track);
obj["width"] = video_track->getVideoWidth();
obj["height"] = video_track->getVideoHeight();
obj["fps"] = round(video_track->getVideoFps());
break;
}
default:
break;
}
item["tracks"].append(obj);
}
return item;
};
//获取流列表，可选筛选参数
//测试url0(获取所有流) http://127.0.0.1/index/api/getMediaList
//测试url1(获取虚拟主机为"__defaultVost__"的流) http://127.0.0.1/index/api/getMediaList?vhost=__defaultVost__
//测试url2(获取rtsp类型的流) http://127.0.0.1/index/api/getMediaList?schema=rtsp
api_regist("/index/api/getMediaList",[](API_ARGS_MAP){
CHECK_SECRET();
//获取所有MediaSource列表
MediaSource::for_each_media([&](const MediaSource::Ptr &media){
if (!allArgs["schema"].empty() && allArgs["schema"] != media->getSchema()) {
return;
}
if (!allArgs["vhost"].empty() && allArgs["vhost"] != media->getVhost()) {
return;
}
if (!allArgs["app"].empty() && allArgs["app"] != media->getApp()) {
return;
}
if (!allArgs["stream"].empty() && allArgs["stream"] != media->getId()) {
return;
}
val["data"].append(makeMediaSourceJson(media));
});
});
//测试url http://127.0.0.1/index/api/isMediaOnline?schema=rtsp&vhost=__defaultVhost__&app=live&stream=obs
api_regist("/index/api/isMediaOnline",[](API_ARGS_MAP){
CHECK_SECRET();
CHECK_ARGS("schema","vhost","app","stream");
val["online"] = (bool) (MediaSource::find(allArgs["schema"],allArgs["vhost"],allArgs["app"],allArgs["stream"]));
});
//测试url http://127.0.0.1/index/api/getMediaInfo?schema=rtsp&vhost=__defaultVhost__&app=live&stream=obs
api_regist("/index/api/getMediaInfo",[](API_ARGS_MAP){
CHECK_SECRET();
CHECK_ARGS("schema","vhost","app","stream");
auto src = MediaSource::find(allArgs["schema"],allArgs["vhost"],allArgs["app"],allArgs["stream"]);
if(!src){
val["online"] = false;
return;
}
val = makeMediaSourceJson(src);
val["online"] = true;
val["code"] = API::Success;
});
//主动关断流，包括关断拉流、推流
//测试url http://127.0.0.1/index/api/close_stream?schema=rtsp&vhost=__defaultVhost__&app=live&stream=obs&force=1
api_regist("/index/api/close_stream",[](API_ARGS_MAP){
CHECK_SECRET();
CHECK_ARGS("schema","vhost","app","stream");
//踢掉推流器
auto src = MediaSource::find(allArgs["schema"],
allArgs["vhost"],
allArgs["app"],
allArgs["stream"]);
if (src) {
bool flag = src->close(allArgs["force"].as<bool>());
val["result"] = flag ? 0 : -1;
val["msg"] = flag ? "success" : "close failed";
val["code"] = flag ? API::Success : API::OtherFailed;
} else {
val["result"] = -2;
val["msg"] = "can not find the stream";
val["code"] = API::OtherFailed;
}
});
//批量主动关断流，包括关断拉流、推流
//测试url http://127.0.0.1/index/api/close_streams?schema=rtsp&vhost=__defaultVhost__&app=live&stream=obs&force=1
api_regist("/index/api/close_streams",[](API_ARGS_MAP){
CHECK_SECRET();
//筛选命中个数
int count_hit = 0;
int count_closed = 0;
list<MediaSource::Ptr> media_list;
MediaSource::for_each_media([&](const MediaSource::Ptr &media){
if(!allArgs["schema"].empty() && allArgs["schema"] != media->getSchema()){
return;
}
if(!allArgs["vhost"].empty() && allArgs["vhost"] != media->getVhost()){
return;
}
if(!allArgs["app"].empty() && allArgs["app"] != media->getApp()){
return;
}
if(!allArgs["stream"].empty() && allArgs["stream"] != media->getId()){
return;
}
++count_hit;
media_list.emplace_back(media);
});
bool force = allArgs["force"].as<bool>();
for(auto &media : media_list){
if(media->close(force)){
++count_closed;
}
}
val["count_hit"] = count_hit;
val["count_closed"] = count_closed;
});
//获取所有TcpSession列表信息
//可以根据本地端口和远端ip来筛选
//测试url(筛选某端口下的tcp会话) http://127.0.0.1/index/api/getAllSession?local_port=1935
api_regist("/index/api/getAllSession",[](API_ARGS_MAP){
CHECK_SECRET();
Value jsession;
uint16_t local_port = allArgs["local_port"].as<uint16_t>();
string &peer_ip = allArgs["peer_ip"];
SessionMap::Instance().for_each_session([&](const string &id,const TcpSession::Ptr &session){
if(local_port != 0 && local_port != session->get_local_port()){
return;
}
if(!peer_ip.empty() && peer_ip != session->get_peer_ip()){
return;
}
jsession["peer_ip"] = session->get_peer_ip();
jsession["peer_port"] = session->get_peer_port();
jsession["local_ip"] = session->get_local_ip();
jsession["local_port"] = session->get_local_port();
jsession["id"] = id;
jsession["typeid"] = typeid(*session).name();
val["data"].append(jsession);
});
});
//断开tcp连接，比如说可以断开rtsp、rtmp播放器等
//测试url http://127.0.0.1/index/api/kick_session?id=123456
api_regist("/index/api/kick_session",[](API_ARGS_MAP){
CHECK_SECRET();
CHECK_ARGS("id");
//踢掉tcp会话
auto session = SessionMap::Instance().get(allArgs["id"]);
if(!session){
throw ApiRetException("can not find the target",API::OtherFailed);
}
session->safeShutdown();
});
//批量断开tcp连接，比如说可以断开rtsp、rtmp播放器等
//测试url http://127.0.0.1/index/api/kick_sessions?local_port=1935
api_regist("/index/api/kick_sessions",[](API_ARGS_MAP){
CHECK_SECRET();
uint16_t local_port = allArgs["local_port"].as<uint16_t>();
string &peer_ip = allArgs["peer_ip"];
size_t count_hit = 0;
list<TcpSession::Ptr> session_list;
SessionMap::Instance().for_each_session([&](const string &id,const TcpSession::Ptr &session){
if(local_port != 0 && local_port != session->get_local_port()){
return;
}
if(!peer_ip.empty() && peer_ip != session->get_peer_ip()){
return;
}
session_list.emplace_back(session);
++count_hit;
});
for(auto &session : session_list){
session->safeShutdown();
}
val["count_hit"] = (Json::UInt64)count_hit;
});
static auto addStreamProxy = [](const string &vhost,
const string &app,
const string &stream,
const string &url,
bool enable_hls,
bool enable_mp4,
int rtp_type,
const function<void(const SockException &ex,const string &key)> &cb){
auto key = getProxyKey(vhost,app,stream);
lock_guard<recursive_mutex> lck(s_proxyMapMtx);
if(s_proxyMap.find(key) != s_proxyMap.end()){
//已经在拉流了
cb(SockException(Err_success),key);
return;
}
//添加拉流代理
PlayerProxy::Ptr player(new PlayerProxy(vhost, app, stream, enable_hls, enable_mp4));
s_proxyMap[key] = player;
//指定RTP over TCP(播放rtsp时有效)
(*player)[kRtpType] = rtp_type;
//开始播放，如果播放失败或者播放中止，将会自动重试若干次，默认一直重试
player->setPlayCallbackOnce([cb,key](const SockException &ex){
if(ex){
lock_guard<recursive_mutex> lck(s_proxyMapMtx);
s_proxyMap.erase(key);
}
cb(ex,key);
});
//被主动关闭拉流
player->setOnClose([key](){
lock_guard<recursive_mutex> lck(s_proxyMapMtx);
s_proxyMap.erase(key);
});
player->play(url);
};
//动态添加rtsp/rtmp拉流代理
//测试url http://127.0.0.1/index/api/addStreamProxy?vhost=__defaultVhost__&app=proxy&enable_rtsp=1&enable_rtmp=1&stream=0&url=rtmp://127.0.0.1/live/obs
api_regist("/index/api/addStreamProxy",[](API_ARGS_MAP_ASYNC){
CHECK_SECRET();
CHECK_ARGS("vhost","app","stream","url");
addStreamProxy(allArgs["vhost"],
allArgs["app"],
allArgs["stream"],
allArgs["url"],
allArgs["enable_hls"],/* 是否hls转发 */
allArgs["enable_mp4"],/* 是否MP4录制 */
allArgs["rtp_type"],
[invoker,val,headerOut](const SockException &ex,const string &key) mutable{
if (ex) {
val["code"] = API::OtherFailed;
val["msg"] = ex.what();
} else {
val["data"]["key"] = key;
}
invoker(200, headerOut, val.toStyledString());
});
});
//关闭拉流代理
//测试url http://127.0.0.1/index/api/delStreamProxy?key=__defaultVhost__/proxy/0
api_regist("/index/api/delStreamProxy",[](API_ARGS_MAP){
CHECK_SECRET();
CHECK_ARGS("key");
lock_guard<recursive_mutex> lck(s_proxyMapMtx);
val["data"]["flag"] = s_proxyMap.erase(allArgs["key"]) == 1;
});
static auto addFFmpegSource = [](const string &ffmpeg_cmd_key,
const string &src_url,
const string &dst_url,
int timeout_ms,
bool enable_hls,
bool enable_mp4,
const function<void(const SockException &ex, const string &key)> &cb) {
auto key = MD5(dst_url).hexdigest();
lock_guard<decltype(s_ffmpegMapMtx)> lck(s_ffmpegMapMtx);
if (s_ffmpegMap.find(key) != s_ffmpegMap.end()) {
//已经在拉流了
cb(SockException(Err_success), key);
return;
}
FFmpegSource::Ptr ffmpeg = std::make_shared<FFmpegSource>();
s_ffmpegMap[key] = ffmpeg;
ffmpeg->setOnClose([key]() {
lock_guard<decltype(s_ffmpegMapMtx)> lck(s_ffmpegMapMtx);
s_ffmpegMap.erase(key);
});
ffmpeg->setupRecordFlag(enable_hls, enable_mp4);
ffmpeg->play(ffmpeg_cmd_key, src_url, dst_url, timeout_ms, [cb, key](const SockException &ex) {
if (ex) {
lock_guard<decltype(s_ffmpegMapMtx)> lck(s_ffmpegMapMtx);
s_ffmpegMap.erase(key);
}
cb(ex, key);
});
};
//动态添加rtsp/rtmp拉流代理
//测试url http://127.0.0.1/index/api/addFFmpegSource?src_url=http://live.hkstv.hk.lxdns.com/live/hks2/playlist.m3u8&dst_url=rtmp://127.0.0.1/live/hks2&timeout_ms=10000
api_regist("/index/api/addFFmpegSource",[](API_ARGS_MAP_ASYNC){
CHECK_SECRET();
CHECK_ARGS("src_url","dst_url","timeout_ms");
auto src_url = allArgs["src_url"];
auto dst_url = allArgs["dst_url"];
int timeout_ms = allArgs["timeout_ms"];
auto enable_hls = allArgs["enable_hls"].as<int>();
auto enable_mp4 = allArgs["enable_mp4"].as<int>();
addFFmpegSource(allArgs["ffmpeg_cmd_key"], src_url, dst_url, timeout_ms, enable_hls, enable_mp4,
[invoker, val, headerOut](const SockException &ex, const string &key) mutable{
if (ex) {
val["code"] = API::OtherFailed;
val["msg"] = ex.what();
} else {
val["data"]["key"] = key;
}
invoker(200, headerOut, val.toStyledString());
});
});
//关闭拉流代理
//测试url http://127.0.0.1/index/api/delFFmepgSource?key=key
api_regist("/index/api/delFFmpegSource",[](API_ARGS_MAP){
CHECK_SECRET();
CHECK_ARGS("key");
lock_guard<decltype(s_ffmpegMapMtx)> lck(s_ffmpegMapMtx);
val["data"]["flag"] = s_ffmpegMap.erase(allArgs["key"]) == 1;
});
//新增http api下载可执行程序文件接口
//测试url http://127.0.0.1/index/api/downloadBin
api_regist("/index/api/downloadBin",[](API_ARGS_MAP_ASYNC){
CHECK_SECRET();
invoker.responseFile(headerIn,StrCaseMap(),exePath());
});
#if defined(ENABLE_RTPPROXY)
api_regist("/index/api/getRtpInfo",[](API_ARGS_MAP){
CHECK_SECRET();
CHECK_ARGS("stream_id");
auto process = RtpSelector::Instance().getProcess(allArgs["stream_id"], false);
if (!process) {
val["exist"] = false;
return;
}
val["exist"] = true;
val["peer_ip"] = process->get_peer_ip();
val["peer_port"] = process->get_peer_port();
val["local_port"] = process->get_local_port();
val["local_ip"] = process->get_local_ip();
});
api_regist("/index/api/openRtpServer",[](API_ARGS_MAP){
CHECK_SECRET();
CHECK_ARGS("port", "enable_tcp", "stream_id");
auto stream_id = allArgs["stream_id"];
lock_guard<recursive_mutex> lck(s_rtpServerMapMtx);
if(s_rtpServerMap.find(stream_id) != s_rtpServerMap.end()) {
//为了防止RtpProcess所有权限混乱的问题，不允许重复添加相同的stream_id
throw InvalidArgsException("该stream_id已存在");
}
RtpServer::Ptr server = std::make_shared<RtpServer>();
server->start(allArgs["port"], stream_id, allArgs["enable_tcp"].as<bool>());
server->setOnDetach([stream_id]() {
//设置rtp超时移除事件
lock_guard<recursive_mutex> lck(s_rtpServerMapMtx);
s_rtpServerMap.erase(stream_id);
});
//保存对象
s_rtpServerMap.emplace(stream_id, server);
//回复json
val["port"] = server->getPort();
});
api_regist("/index/api/closeRtpServer",[](API_ARGS_MAP){
CHECK_SECRET();
CHECK_ARGS("stream_id");
lock_guard<recursive_mutex> lck(s_rtpServerMapMtx);
auto it = s_rtpServerMap.find(allArgs["stream_id"]);
if(it == s_rtpServerMap.end()){
val["hit"] = 0;
return;
}
auto server = it->second;
s_rtpServerMap.erase(it);
val["hit"] = 1;
});
api_regist("/index/api/listRtpServer",[](API_ARGS_MAP){
CHECK_SECRET();
lock_guard<recursive_mutex> lck(s_rtpServerMapMtx);
for (auto &pr : s_rtpServerMap) {
Value obj;
obj["stream_id"] = pr.first;
obj["port"] = pr.second->getPort();
val["data"].append(obj);
}
});
api_regist("/index/api/startSendRtp",[](API_ARGS_MAP_ASYNC){
CHECK_SECRET();
CHECK_ARGS("vhost", "app", "stream", "ssrc", "dst_url", "dst_port", "is_udp");
auto src = MediaSource::find(allArgs["vhost"], allArgs["app"], allArgs["stream"]);
if (!src) {
throw ApiRetException("该媒体流不存在", API::OtherFailed);
}
//src_port为空时，则随机本地端口
src->startSendRtp(allArgs["dst_url"], allArgs["dst_port"], allArgs["ssrc"], allArgs["is_udp"], allArgs["src_port"], [val, headerOut, invoker](uint16_t local_port, const SockException &ex) mutable{
if (ex) {
val["code"] = API::OtherFailed;
val["msg"] = ex.what();
}
val["local_port"] = local_port;
invoker(200, headerOut, val.toStyledString());
});
});
api_regist("/index/api/stopSendRtp",[](API_ARGS_MAP){
CHECK_SECRET();
CHECK_ARGS("vhost", "app", "stream");
auto src = MediaSource::find(allArgs["vhost"], allArgs["app"], allArgs["stream"]);
if (!src) {
throw ApiRetException("该媒体流不存在", API::OtherFailed);
}
//ssrc如果为空，关闭全部
if (!src->stopSendRtp(allArgs["ssrc"])) {
throw ApiRetException("尚未开始推流,停止失败", API::OtherFailed);
}
});
api_regist("/index/api/pauseRtpCheck", [](API_ARGS_MAP) {
CHECK_SECRET();
CHECK_ARGS("stream_id");
//只是暂停流的检查，流媒体服务器做为流负载服务，收流就转发，RTSP/RTMP有自己暂停协议
auto rtp_process = RtpSelector::Instance().getProcess(allArgs["stream_id"], false);
if (rtp_process) {
rtp_process->setStopCheckRtp(true);
} else {
val["code"] = API::NotFound;
}
});
api_regist("/index/api/resumeRtpCheck", [](API_ARGS_MAP) {
CHECK_SECRET();
CHECK_ARGS("stream_id");
auto rtp_process = RtpSelector::Instance().getProcess(allArgs["stream_id"], false);
if (rtp_process) {
rtp_process->setStopCheckRtp(false);
} else {
val["code"] = API::NotFound;
}
});
#endif//ENABLE_RTPPROXY
// 开始录制hls或MP4
api_regist("/index/api/startRecord",[](API_ARGS_MAP){
CHECK_SECRET();
CHECK_ARGS("type","vhost","app","stream");
auto result = Recorder::startRecord((Recorder::type) allArgs["type"].as<int>(),
allArgs["vhost"],
allArgs["app"],
allArgs["stream"],
allArgs["customized_path"],
allArgs["max_second"].as<size_t>());
val["result"] = result;
val["code"] = result ? API::Success : API::OtherFailed;
val["msg"] = result ? "success" : "start record failed";
});
// 停止录制hls或MP4
api_regist("/index/api/stopRecord",[](API_ARGS_MAP){
CHECK_SECRET();
CHECK_ARGS("type","vhost","app","stream");
auto result = Recorder::stopRecord((Recorder::type) allArgs["type"].as<int>(),
allArgs["vhost"],
allArgs["app"],
allArgs["stream"]);
val["result"] = result;
val["code"] = result ? API::Success : API::OtherFailed;
val["msg"] = result ? "success" : "stop record failed";
});
// 获取hls或MP4录制状态
api_regist("/index/api/isRecording",[](API_ARGS_MAP){
CHECK_SECRET();
CHECK_ARGS("type","vhost","app","stream");
val["status"] = Recorder::isRecording((Recorder::type) allArgs["type"].as<int>(),
allArgs["vhost"],
allArgs["app"],
allArgs["stream"]);
});
//获取录像文件夹列表或mp4文件列表
//http://127.0.0.1/index/api/getMp4RecordFile?vhost=__defaultVhost__&app=live&stream=ss&period=2020-01
api_regist("/index/api/getMp4RecordFile", [](API_ARGS_MAP){
CHECK_SECRET();
CHECK_ARGS("vhost", "app", "stream");
auto record_path = Recorder::getRecordPath(Recorder::type_mp4, allArgs["vhost"], allArgs["app"],allArgs["stream"]);
auto period = allArgs["period"];
//判断是获取mp4文件列表还是获取文件夹列表
bool search_mp4 = period.size() == sizeof("2020-02-01") - 1;
if (search_mp4) {
record_path = record_path + period + "/";
}
Json::Value paths(arrayValue);
//这是筛选日期，获取文件夹列表
File::scanDir(record_path, [&](const string &path, bool isDir) {
auto pos = path.rfind('/');
if (pos != string::npos) {
string relative_path = path.substr(pos + 1);
if (search_mp4) {
if (!isDir) {
//我们只收集mp4文件，对文件夹不感兴趣
paths.append(relative_path);
}
} else if (isDir && relative_path.find(period) == 0) {
//匹配到对应日期的文件夹
paths.append(relative_path);
}
}
return true;
}, false);
val["data"]["rootPath"] = record_path;
val["data"]["paths"] = paths;
});
static auto responseSnap = [](const string &snap_path,
const HttpSession::KeyValue &headerIn,
const HttpSession::HttpResponseInvoker &invoker) {
StrCaseMap headerOut;
struct stat statbuf = {0};
GET_CONFIG(string, defaultSnap, API::kDefaultSnap);
if (!(stat(snap_path.data(), &statbuf) == 0 && statbuf.st_size != 0) && !defaultSnap.empty()) {
//空文件且设置了预设图，则返回预设图片(也就是FFmpeg生成截图中空档期的默认图片)
const_cast<string&>(snap_path) = File::absolutePath(defaultSnap, "");
headerOut["Content-Type"] = HttpFileManager::getContentType(snap_path.data());
} else {
//之前生成的截图文件，我们默认为jpeg格式
headerOut["Content-Type"] = HttpFileManager::getContentType(".jpeg");
}
//返回图片给http客户端
invoker.responseFile(headerIn, headerOut, snap_path);
};
//获取截图缓存或者实时截图
//http://127.0.0.1/index/api/getSnap?url=rtmp://127.0.0.1/record/robot.mp4&timeout_sec=10&expire_sec=3
api_regist("/index/api/getSnap", [](API_ARGS_MAP_ASYNC){
CHECK_SECRET();
CHECK_ARGS("url", "timeout_sec", "expire_sec");
GET_CONFIG(string, snap_root, API::kSnapRoot);
bool have_old_snap = false, res_old_snap = false;
int expire_sec = allArgs["expire_sec"];
auto scan_path = File::absolutePath(MD5(allArgs["url"]).hexdigest(), snap_root) + "/";
string new_snap = StrPrinter << scan_path << time(NULL) << ".jpeg";
File::scanDir(scan_path, [&](const string &path, bool isDir) {
if (isDir || !end_with(path, ".jpeg")) {
//忽略文件夹或其他类型的文件
return true;
}
//找到截图
auto tm = FindField(path.data() + scan_path.size(), nullptr, ".jpeg");
if (atoll(tm.data()) + expire_sec < time(NULL)) {
//截图已经过期，改名，以便再次请求时，可以返回老截图
rename(path.data(), new_snap.data());
have_old_snap = true;
return true;
}
//截图存在，且未过期，那么返回之
res_old_snap = true;
responseSnap(path, headerIn, invoker);
//中断遍历
return false;
});
if (res_old_snap) {
//已经回复了旧的截图
return;
}
//无截图或者截图已经过期
if (!have_old_snap) {
//无过期截图，生成一个空文件，目的是顺便创建文件夹路径
//同时防止在FFmpeg生成截图途中不停的尝试调用该api多次启动FFmpeg进程
auto file = File::create_file(new_snap.data(), "wb");
if (file) {
fclose(file);
}
}
//启动FFmpeg进程，开始截图，生成临时文件，截图成功后替换为正式文件
auto new_snap_tmp = new_snap + ".tmp";
FFmpegSnap::makeSnap(allArgs["url"], new_snap_tmp, allArgs["timeout_sec"], [invoker, headerIn, new_snap, new_snap_tmp](bool success) {
if (!success) {
//生成截图失败，可能残留空文件
File::delete_file(new_snap_tmp.data());
} else {
//临时文件改成正式文件
File::delete_file(new_snap.data());
rename(new_snap_tmp.data(), new_snap.data());
}
responseSnap(new_snap, headerIn, invoker);
});
});
api_regist("/index/api/getStatistic",[](API_ARGS_MAP){
CHECK_SECRET();
val["data"]["MediaSource"] = (Json::UInt64)(ObjectStatistic<MediaSource>::count());
val["data"]["MultiMediaSourceMuxer"] = (Json::UInt64)(ObjectStatistic<MultiMediaSourceMuxer>::count());
val["data"]["TcpServer"] = (Json::UInt64)(ObjectStatistic<TcpServer>::count());
val["data"]["TcpSession"] = (Json::UInt64)(ObjectStatistic<TcpSession>::count());
val["data"]["TcpClient"] = (Json::UInt64)(ObjectStatistic<TcpClient>::count());
val["data"]["Socket"] = (Json::UInt64)(ObjectStatistic<Socket>::count());
val["data"]["FrameImp"] = (Json::UInt64)(ObjectStatistic<FrameImp>::count());
val["data"]["Frame"] = (Json::UInt64)(ObjectStatistic<Frame>::count());
val["data"]["Buffer"] = (Json::UInt64)(ObjectStatistic<Buffer>::count());
val["data"]["BufferRaw"] = (Json::UInt64)(ObjectStatistic<BufferRaw>::count());
val["data"]["BufferLikeString"] = (Json::UInt64)(ObjectStatistic<BufferLikeString>::count());
val["data"]["BufferList"] = (Json::UInt64)(ObjectStatistic<BufferList>::count());
val["data"]["RtpPacket"] = (Json::UInt64)(ObjectStatistic<RtpPacket>::count());
val["data"]["RtmpPacket"] = (Json::UInt64)(ObjectStatistic<RtmpPacket>::count());
#ifdef ENABLE_MEM_DEBUG
auto bytes = getTotalMemUsage();
val["data"]["totalMemUsage"] = (Json::UInt64)bytes;
val["data"]["totalMemUsageMB"] = (int)(bytes / 1024 / 1024);
#endif
});
#ifdef ENABLE_WEBRTC
static list<WebRtcTransportImp::Ptr> rtcs;
api_regist("/index/api/webrtc",[](API_ARGS_STRING_ASYNC){
CHECK_ARGS("app", "stream");
auto offer_sdp = allArgs.Content();
auto type = allArgs.getUrlArgs()["type"];
MediaInfo info(StrPrinter << "rtc://" << headerIn["Host"] << "/" << allArgs.getUrlArgs()["app"] << "/" << allArgs.getUrlArgs()["stream"] << "?" << allArgs.Params());
//设置返回类型
headerOut["Content-Type"] = HttpFileManager::getContentType(".json");
//设置跨域
headerOut["Access-Control-Allow-Origin"] = "*";
if (type.empty() || !strcasecmp(type.data(), "play")) {
Broadcast::AuthInvoker authInvoker = [invoker, offer_sdp, val, info, headerOut](const string &err) mutable {
try {
auto src = dynamic_pointer_cast<RtspMediaSource>(MediaSource::find(RTSP_SCHEMA, info._vhost, info._app, info._streamid));
if (!src) {
throw runtime_error("流不存在");
}
if (!err.empty()) {
throw runtime_error(StrPrinter << "播放鉴权失败:" << err);
}
auto rtc = WebRtcTransportImp::create(EventPollerPool::Instance().getPoller());
rtc->attach(src);
val["sdp"] = rtc->getAnswerSdp(offer_sdp);
val["type"] = "answer";
rtcs.emplace_back(rtc);
invoker(200, headerOut, val.toStyledString());
} catch (std::exception &ex) {
val["code"] = API::Exception;
val["msg"] = ex.what();
invoker(200, headerOut, val.toStyledString());
}
};
//广播通用播放url鉴权事件
auto flag = NoticeCenter::Instance().emitEvent(Broadcast::kBroadcastMediaPlayed, info, authInvoker, sender);
if (!flag) {
//该事件无人监听,默认不鉴权
authInvoker("");
}
return;
}
if (!strcasecmp(type.data(), "push")) {
Broadcast::PublishAuthInvoker authInvoker = [invoker, offer_sdp, val, info, headerOut](const string &err, bool enableHls, bool enableMP4) mutable {
try {
auto src = dynamic_pointer_cast<RtspMediaSource>(MediaSource::find(RTSP_SCHEMA, info._vhost, info._app, info._streamid));
if (src) {
throw std::runtime_error("已经在推流");
}
if (!err.empty()) {
throw runtime_error(StrPrinter << "推流鉴权失败:" << err);
}
auto push_src = std::make_shared<RtspMediaSourceImp>(info._vhost, info._app, info._streamid);
push_src->setProtocolTranslation(enableHls, enableMP4);
auto rtc = WebRtcTransportImp::create(EventPollerPool::Instance().getPoller());
rtc->attach(push_src);
val["sdp"] = rtc->getAnswerSdp(offer_sdp);
val["type"] = "answer";
rtcs.emplace_back(rtc);
invoker(200, headerOut, val.toStyledString());
} catch (std::exception &ex) {
val["code"] = API::Exception;
val["msg"] = ex.what();
invoker(200, headerOut, val.toStyledString());
}
};
//rtsp推流需要鉴权
auto flag = NoticeCenter::Instance().emitEvent(Broadcast::kBroadcastMediaPublish, info, authInvoker, sender);
if (!flag) {
//该事件无人监听,默认不鉴权
GET_CONFIG(bool, toHls, General::kPublishToHls);
GET_CONFIG(bool, toMP4, General::kPublishToMP4);
authInvoker("", toHls, toMP4);
}
return;
}
throw ApiRetException("不支持该类型", API::InvalidArgs);
});
#endif
////////////以下是注册的Hook API////////////
api_regist("/index/hook/on_publish",[](API_ARGS_MAP){
//开始推流事件
//转换成rtsp或rtmp
val["enableRtxp"] = true;
//转换hls
val["enableHls"] = true;
//不录制mp4
val["enableMP4"] = false;
});
api_regist("/index/hook/on_play",[](API_ARGS_MAP){
//开始播放事件
});
api_regist("/index/hook/on_flow_report",[](API_ARGS_MAP){
//流量统计hook api
});
api_regist("/index/hook/on_rtsp_realm",[](API_ARGS_MAP){
//rtsp是否需要鉴权，默认需要鉴权
val["code"] = API::Success;
val["realm"] = "zlmediakit_reaml";
});
api_regist("/index/hook/on_rtsp_auth",[](API_ARGS_MAP){
//rtsp鉴权密码，密码等于用户名
//rtsp可以有双重鉴权！后面还会触发on_play事件
CHECK_ARGS("user_name");
val["code"] = API::Success;
val["encrypted"] = false;
val["passwd"] = allArgs["user_name"].data();
});
api_regist("/index/hook/on_stream_changed",[](API_ARGS_MAP){
//媒体注册或反注册事件
});
#if !defined(_WIN32)
api_regist("/index/hook/on_stream_not_found_ffmpeg",[](API_ARGS_MAP_ASYNC){
//媒体未找到事件,我们都及时拉流hks作为替代品，目的是为了测试按需拉流
CHECK_SECRET();
CHECK_ARGS("vhost","app","stream");
//通过FFmpeg按需拉流
GET_CONFIG(int,rtmp_port,Rtmp::kPort);
GET_CONFIG(int,timeout_sec,Hook::kTimeoutSec);
string dst_url = StrPrinter
<< "rtmp://127.0.0.1:"
<< rtmp_port << "/"
<< allArgs["app"] << "/"
<< allArgs["stream"] << "?vhost="
<< allArgs["vhost"];
addFFmpegSource("", "http://hls-ott-zhibo.wasu.tv/live/272/index.m3u8",/** ffmpeg拉流支持任意编码格式任意协议 **/
dst_url,
(1000 * timeout_sec) - 500,
false,
false,
[invoker,val,headerOut](const SockException &ex,const string &key) mutable{
if(ex){
val["code"] = API::OtherFailed;
val["msg"] = ex.what();
}else{
val["data"]["key"] = key;
}
invoker(200, headerOut, val.toStyledString());
});
});
#endif//!defined(_WIN32)
api_regist("/index/hook/on_stream_not_found",[](API_ARGS_MAP_ASYNC){
//媒体未找到事件,我们都及时拉流hks作为替代品，目的是为了测试按需拉流
CHECK_SECRET();
CHECK_ARGS("vhost","app","stream");
//通过内置支持的rtsp/rtmp按需拉流
addStreamProxy(allArgs["vhost"],
allArgs["app"],
allArgs["stream"],
/** 支持rtsp和rtmp方式拉流 ，rtsp支持h265/h264/aac,rtmp仅支持h264/aac **/
"rtsp://184.72.239.149/vod/mp4:BigBuckBunny_115k.mov",
true,/* 开启hls转发 */
false,/* 禁用MP4录制 */
0,//rtp over tcp方式拉流
[invoker,val,headerOut](const SockException &ex,const string &key) mutable{
if(ex){
val["code"] = API::OtherFailed;
val["msg"] = ex.what();
}else{
val["data"]["key"] = key;
}
invoker(200, headerOut, val.toStyledString());
});
});
api_regist("/index/hook/on_record_mp4",[](API_ARGS_MAP){
//录制mp4分片完毕事件
});
api_regist("/index/hook/on_shell_login",[](API_ARGS_MAP){
//shell登录调试事件
});
api_regist("/index/hook/on_stream_none_reader",[](API_ARGS_MAP){
//无人观看流默认关闭
val["close"] = true;
});
static auto checkAccess = [](const string &params){
//我们假定大家都要权限访问
return true;
};
api_regist("/index/hook/on_http_access",[](API_ARGS_MAP){
//在这里根据allArgs["params"](url参数)来判断该http客户端是否有权限访问该文件
if(!checkAccess(allArgs["params"])){
//无访问权限
val["err"] = "无访问权限";
//仅限制访问当前目录
val["path"] = "";
//标记该客户端无权限1分钟
val["second"] = 60;
return;
}
//可以访问
val["err"] = "";
//只能访问当前目录
val["path"] = "";
//该http客户端用户被授予10分钟的访问权限，该权限仅限访问当前目录
val["second"] = 10 * 60;
});
api_regist("/index/hook/on_server_started",[](API_ARGS_MAP){
//服务器重启报告
});
}
void unInstallWebApi(){
{
lock_guard<recursive_mutex> lck(s_proxyMapMtx);
s_proxyMap.clear();
}
{
lock_guard<recursive_mutex> lck(s_ffmpegMapMtx);
s_ffmpegMap.clear();
}
{
#if defined(ENABLE_RTPPROXY)
RtpSelector::Instance().clear();
lock_guard<recursive_mutex> lck(s_rtpServerMapMtx);
s_rtpServerMap.clear();
#endif
}
}
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