mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-10-31 00:37:39 +08:00
484 lines
15 KiB
C++
484 lines
15 KiB
C++
#include <signal.h>
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#include <functional>
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#include <sstream>
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#include <unordered_map>
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#include "jsoncpp/json.h"
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#include "Util/util.h"
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#include "Util/logger.h"
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#include "Util/onceToken.h"
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#include "Util/NoticeCenter.h"
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#ifdef ENABLE_MYSQL
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#include "Util/SqlPool.h"
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#endif //ENABLE_MYSQL
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#include "Common/config.h"
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#include "Common/MediaSource.h"
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#include "Http/HttpRequester.h"
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#include "Http/HttpSession.h"
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#include "Network/TcpServer.h"
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#include "Player/PlayerProxy.h"
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using namespace Json;
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using namespace toolkit;
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using namespace mediakit;
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typedef map<string,variant,StrCaseCompare> ApiArgsType;
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#define API_ARGS TcpSession &sender, \
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HttpSession::KeyValue &headerIn, \
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HttpSession::KeyValue &headerOut, \
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ApiArgsType &allArgs, \
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Json::Value &val
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#define API_REGIST(field, name, ...) \
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s_map_api.emplace("/index/"#field"/"#name,[](API_ARGS,const HttpSession::HttpResponseInvoker &invoker){ \
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static auto lam = [&](API_ARGS) __VA_ARGS__ ; \
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lam(sender,headerIn, headerOut, allArgs, val); \
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invoker("200 OK", headerOut, val.toStyledString()); \
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});
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#define API_REGIST_INVOKER(field, name, ...) \
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s_map_api.emplace("/index/"#field"/"#name,[](API_ARGS,const HttpSession::HttpResponseInvoker &invoker) __VA_ARGS__);
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//异步http api lambad定义
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typedef std::function<void(API_ARGS,const HttpSession::HttpResponseInvoker &invoker)> AsyncHttpApi;
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//api列表
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static map<string, AsyncHttpApi> s_map_api;
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namespace API {
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typedef enum {
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InvalidArgs = -300,
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SqlFailed = -200,
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AuthFailed = -100,
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OtherFailed = -1,
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Success = 0
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} ApiErr;
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#define API_FIELD "api."
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const char kApiDebug[] = API_FIELD"apiDebug";
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const char kSecret[] = API_FIELD"secret";
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static onceToken token([]() {
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mINI::Instance()[kApiDebug] = "1";
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mINI::Instance()[kSecret] = "035c73f7-bb6b-4889-a715-d9eb2d1925cc";
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});
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}//namespace API
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class ApiRetException: public std::runtime_error {
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public:
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ApiRetException(const char *str = "success" ,int code = API::Success):runtime_error(str){
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_code = code;
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}
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~ApiRetException() = default;
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int code(){ return _code; }
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private:
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int _code;
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};
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class AuthException : public ApiRetException {
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public:
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AuthException(const char *str):ApiRetException(str,API::AuthFailed){}
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~AuthException() = default;
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};
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class InvalidArgsException: public ApiRetException {
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public:
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InvalidArgsException(const char *str):ApiRetException(str,API::InvalidArgs){}
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~InvalidArgsException() = default;
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};
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class SuccessException: public ApiRetException {
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public:
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SuccessException():ApiRetException("success",API::Success){}
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~SuccessException() = default;
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};
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//获取HTTP请求中url参数、content参数
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static ApiArgsType getAllArgs(const Parser &parser) {
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ApiArgsType allArgs;
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if(parser["Content-Type"].find("application/x-www-form-urlencoded") == 0){
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auto contentArgs = parser.parseArgs(parser.Content());
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for (auto &pr : contentArgs) {
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allArgs[pr.first] = HttpSession::urlDecode(pr.second);
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}
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}else if(parser["Content-Type"].find("application/json") == 0){
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try {
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stringstream ss(parser.Content());
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Value jsonArgs;
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ss >> jsonArgs;
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auto keys = jsonArgs.getMemberNames();
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for (auto key = keys.begin(); key != keys.end(); ++key){
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allArgs[*key] = jsonArgs[*key].asString();
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}
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}catch (std::exception &ex){
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WarnL << ex.what();
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}
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}else if(!parser["Content-Type"].empty()){
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WarnL << "invalid Content-Type:" << parser["Content-Type"];
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}
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auto &urlArgs = parser.getUrlArgs();
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for (auto &pr : urlArgs) {
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allArgs[pr.first] = HttpSession::urlDecode(pr.second);
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}
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return std::move(allArgs);
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}
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static inline void addHttpListener(){
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GET_CONFIG_AND_REGISTER(bool, api_debug, API::kApiDebug);
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//注册监听kBroadcastHttpRequest事件
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NoticeCenter::Instance().addListener(nullptr, Broadcast::kBroadcastHttpRequest, [](BroadcastHttpRequestArgs) {
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auto it = s_map_api.find(parser.Url());
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if (it == s_map_api.end()) {
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consumed = false;
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return;
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}
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//该api已被消费
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consumed = true;
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//执行API
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Json::Value val;
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val["code"] = API::Success;
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HttpSession::KeyValue headerOut;
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auto allArgs = getAllArgs(parser);
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HttpSession::KeyValue &headerIn = parser.getValues();
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headerOut["Content-Type"] = "application/json; charset=utf-8";
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if(api_debug){
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auto newInvoker = [invoker,parser,allArgs](const string &codeOut,
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const HttpSession::KeyValue &headerOut,
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const string &contentOut){
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stringstream ss;
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for(auto &pr : allArgs ){
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ss << pr.first << " : " << pr.second << "\r\n";
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}
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DebugL << "\r\n# request:\r\n" << parser.Method() << " " << parser.FullUrl() << "\r\n"
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<< "# content:\r\n" << parser.Content() << "\r\n"
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<< "# args:\r\n" << ss.str()
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<< "# response:\r\n"
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<< contentOut << "\r\n";
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invoker(codeOut,headerOut,contentOut);
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};
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((HttpSession::HttpResponseInvoker &)invoker) = newInvoker;
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}
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try {
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it->second(sender,headerIn, headerOut, allArgs, val, invoker);
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} catch(ApiRetException &ex){
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val["code"] = ex.code();
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val["msg"] = ex.what();
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invoker("200 OK", headerOut, val.toStyledString());
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}
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#ifdef ENABLE_MYSQL
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catch(SqlException &ex){
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val["code"] = API::SqlFailed;
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val["msg"] = StrPrinter << "操作数据库失败:" << ex.what() << ":" << ex.getSql();
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WarnL << ex.what() << ":" << ex.getSql();
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invoker("200 OK", headerOut, val.toStyledString());
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}
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#endif// ENABLE_MYSQL
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catch (std::exception &ex) {
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val["code"] = API::OtherFailed;
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val["msg"] = ex.what();
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invoker("200 OK", headerOut, val.toStyledString());
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}
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});
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}
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template <typename Args,typename First>
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bool checkArgs(Args &&args,First &&first){
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return !args[first].empty();
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}
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template <typename Args,typename First,typename ...KeyTypes>
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bool checkArgs(Args &&args,First &&first,KeyTypes && ...keys){
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return !args[first].empty() && checkArgs(std::forward<Args>(args),std::forward<KeyTypes>(keys)...);
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}
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#define CHECK_ARGS(...) \
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if(!checkArgs(allArgs,##__VA_ARGS__)){ \
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throw InvalidArgsException("缺少必要参数:" #__VA_ARGS__); \
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}
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#define CHECK_SECRET() \
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if(sender.get_peer_ip() != "127.0.0.1"){ \
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CHECK_ARGS("secret"); \
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if(api_secret != allArgs["secret"]){ \
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throw AuthException("secret错误"); \
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} \
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}
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static unordered_map<string ,PlayerProxy::Ptr> s_proxyMap;
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static recursive_mutex s_proxyMapMtx;
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static inline string getProxyKey(const string &vhost,const string &app,const string &stream){
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return vhost + "/" + app + "/" + stream;
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}
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//安装api接口
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void installWebApi() {
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addHttpListener();
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GET_CONFIG_AND_REGISTER(string,api_secret,API::kSecret);
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/**
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* 获取线程负载
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*/
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API_REGIST_INVOKER(api, getThreadsLoad, {
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EventPollerPool::Instance().getExecutorDelay([invoker, headerOut](const vector<int> &vecDelay) {
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Value val;
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auto vec = EventPollerPool::Instance().getExecutorLoad();
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int i = 0;
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for (auto load : vec) {
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Value obj(objectValue);
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obj["load"] = load;
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obj["delay"] = vecDelay[i++];
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val["data"].append(obj);
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}
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invoker("200 OK", headerOut, val.toStyledString());
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});
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});
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/**
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* 获取服务器配置
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*/
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API_REGIST(api, getServerConfig, {
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CHECK_SECRET();
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if(api_secret != allArgs["secret"]){
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throw AuthException("secret错误");
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}
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Value obj;
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for (auto &pr : mINI::Instance()) {
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obj[pr.first] = (string &) pr.second;
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}
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val["data"].append(obj);
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});
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/**
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* 设置服务器配置
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*/
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API_REGIST(api, setServerConfig, {
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CHECK_SECRET();
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auto &ini = mINI::Instance();
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int changed = 0;
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for (auto &pr : allArgs) {
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if (ini.find(pr.first) == ini.end()) {
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//没有这个key
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continue;
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}
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if (ini[pr.first] == pr.second) {
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continue;
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}
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ini[pr.first] = pr.second;
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//替换成功
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++changed;
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}
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if (changed > 0) {
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NoticeCenter::Instance().emitEvent(Broadcast::kBroadcastReloadConfig);
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ini.dumpFile();
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}
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val["changed"] = changed;
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});
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/**
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* 获取服务器api列表
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*/
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API_REGIST(api,getApiList,{
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CHECK_SECRET();
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for(auto &pr : s_map_api){
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val["data"].append(pr.first);
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}
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});
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/**
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* 重启服务器
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*/
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API_REGIST(api,restartServer,{
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CHECK_SECRET();
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EventPollerPool::Instance().getPoller()->doDelayTask(1000,[](){
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//尝试正常退出
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::kill(getpid(), SIGINT);
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//3秒后强制退出
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EventPollerPool::Instance().getPoller()->doDelayTask(3000,[](){
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exit(0);
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return 0;
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});
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return 0;
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});
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val["msg"] = "服务器将在一秒后自动重启";
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});
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API_REGIST(api,getMediaList,{
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CHECK_SECRET();
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//获取所有MediaSource列表
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val["code"] = 0;
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val["msg"] = "success";
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MediaSource::for_each_media([&](const string &schema,
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const string &vhost,
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const string &app,
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const string &stream,
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const MediaSource::Ptr &media){
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if(!allArgs["schema"].empty() && allArgs["schema"] != schema){
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return;
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}
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if(!allArgs["vhost"].empty() && allArgs["vhost"] != vhost){
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return;
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}
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if(!allArgs["app"].empty() && allArgs["app"] != app){
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return;
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}
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Value item;
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item["schema"] = schema;
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item["vhost"] = vhost;
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item["app"] = app;
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item["stream"] = stream;
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val["data"].append(item);
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});
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});
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//主动关断流，包括关断拉流、推流
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API_REGIST(api,close_stream,{
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CHECK_SECRET();
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CHECK_ARGS("schema","vhost","app","stream");
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//踢掉推流器
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auto src = MediaSource::find(allArgs["schema"],
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allArgs["vhost"],
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allArgs["app"],
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allArgs["stream"]);
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if(src){
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bool flag = src->close();
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val["code"] = flag ? 0 : -1;
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val["msg"] = flag ? "success" : "close failed";
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}else{
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val["code"] = -2;
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val["msg"] = "can not find the stream";
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}
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});
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API_REGIST(api,kick_session,{
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CHECK_SECRET();
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CHECK_ARGS("id");
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//踢掉tcp会话
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auto id = allArgs["id"];
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if(id.empty()){
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val["code"] = -1;
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val["msg"] = "illegal parameter:id";
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return;
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}
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auto session = SessionMap::Instance().get(id);
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if(!session){
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val["code"] = -2;
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val["msg"] = "can not find the target";
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return;
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}
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session->safeShutdown();
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val["code"] = 0;
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val["msg"] = "success";
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});
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API_REGIST_INVOKER(api,addStreamProxy,{
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CHECK_SECRET();
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CHECK_ARGS("vhost","app","stream","url","secret");
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auto key = getProxyKey(allArgs["vhost"],allArgs["app"],allArgs["stream"]);
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//添加拉流代理
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PlayerProxy::Ptr player(new PlayerProxy(
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allArgs["vhost"],
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allArgs["app"],
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allArgs["stream"],
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allArgs["enable_hls"],
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allArgs["enable_mp4"]
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));
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//指定RTP over TCP(播放rtsp时有效)
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(*player)[kRtpType] = allArgs["rtp_type"].as<int>();
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//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
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player->setPlayCallbackOnce([invoker,val,headerOut,player,key](const SockException &ex){
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if(ex){
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const_cast<Value &>(val)["code"] = API::OtherFailed;
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const_cast<Value &>(val)["msg"] = ex.what();
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}else{
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const_cast<Value &>(val)["data"]["key"] = key;
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lock_guard<recursive_mutex> lck(s_proxyMapMtx);
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s_proxyMap[key] = player;
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}
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const_cast<PlayerProxy::Ptr &>(player).reset();
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invoker("200 OK", headerOut, val.toStyledString());
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});
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//被主动关闭拉流
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player->setOnClose([key](){
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lock_guard<recursive_mutex> lck(s_proxyMapMtx);
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s_proxyMap.erase(key);
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});
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player->play(allArgs["url"]);
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});
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API_REGIST(api,delStreamProxy,{
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CHECK_SECRET();
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CHECK_ARGS("key");
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lock_guard<recursive_mutex> lck(s_proxyMapMtx);
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val["data"]["flag"] = s_proxyMap.erase(allArgs["key"]) == 1;
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});
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////////////以下是注册的Hook API////////////
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API_REGIST(hook,on_publish,{
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//开始推流事件
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throw SuccessException();
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});
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API_REGIST(hook,on_play,{
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//开始播放事件
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throw SuccessException();
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});
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API_REGIST(hook,on_flow_report,{
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//流量统计hook api
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throw SuccessException();
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});
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API_REGIST(hook,on_rtsp_realm,{
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//rtsp是否需要鉴权，默认需要鉴权
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val["code"] = 0;
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val["realm"] = "zlmediakit_reaml";
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});
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API_REGIST(hook,on_rtsp_auth,{
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//rtsp鉴权密码，密码等于用户名
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//rtsp可以有双重鉴权！后面还会触发on_play事件
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CHECK_ARGS("user_name");
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val["code"] = 0;
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val["encrypted"] = false;
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val["passwd"] = allArgs["user_name"].data();
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});
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API_REGIST(hook,on_stream_changed,{
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//媒体注册或反注册事件
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throw SuccessException();
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});
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API_REGIST(hook,on_stream_not_found,{
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//媒体未找到事件
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throw SuccessException();
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});
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API_REGIST(hook,on_record_mp4,{
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//录制mp4分片完毕事件
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throw SuccessException();
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});
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API_REGIST(hook,on_shell_login,{
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//shell登录调试事件
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throw SuccessException();
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});
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}
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void unInstallWebApi(){
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lock_guard<recursive_mutex> lck(s_proxyMapMtx);
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s_proxyMap.clear();
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} |