初步提交2.0版本，支持虚拟主机

src/Common/MediaSource.cpp

+/*
+ * MIT License
+ *
+ * Copyright (c) 2016 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.
+ */
+
+
+#include "MediaSource.h"
+#include "MediaFile/MediaReader.h"
+#include "Util/util.h"
+#include "Rtsp/Rtsp.h"
+
+using namespace ZL::Util;
+using namespace ZL::MediaFile;
+
+
+namespace ZL {
+namespace Media {
+
+recursive_mutex MediaSource::g_mtxMediaSrc;
+MediaSource::SchemaVhostAppStreamMap MediaSource::g_mapMediaSrc;
+
+MediaSource::Ptr MediaSource::find(
+        const string &schema,
+        const string &vhost_tmp,
+        const string &app,
+        const string &id,
+        bool bMake) {
+    string vhost = vhost_tmp;
+    if(vhost.empty()){
+        vhost = DEFAULT_VHOST;
+    }
+    lock_guard<recursive_mutex> lock(g_mtxMediaSrc);
+    MediaSource::Ptr ret;
+    searchMedia(schema, vhost, app, id,
+                [&](SchemaVhostAppStreamMap::iterator &it0 ,
+                    VhostAppStreamMap::iterator &it1,
+                    AppStreamMap::iterator &it2,
+                    StreamMap::iterator &it3){
+                    ret = it3->second.lock();
+                    if(!ret){
+                        //该对象已经销毁
+                        it2->second.erase(it3);
+                        eraseIfEmpty(it0,it1,it2);
+                        return false;
+                    }
+                    return true;
+                });
+    if(!ret && bMake){
+        //查找某一媒体源，找到后返回
+        ret = MediaReader::onMakeMediaSource(schema, vhost,app,id);
+    }
+    return ret;
+
+}
+bool MediaSource::regist() {
+    //注册该源，注册后服务器才能找到该源
+    lock_guard<recursive_mutex> lock(g_mtxMediaSrc);
+    auto pr = g_mapMediaSrc[m_strSchema][m_strVhost][m_strApp].emplace(m_strId,shared_from_this());
+    auto success = pr.second;
+    if(success){
+        InfoL << m_strSchema << " " << m_strVhost << " " << m_strApp << " " << m_strId;
+        NoticeCenter::Instance().emitEvent(Broadcast::kBroadcastMediaChanged,
+                                           true,
+                                           m_strSchema.data(),
+                                           m_strVhost.data(),
+                                           m_strApp.data(),
+                                           m_strId.data());
+    }
+    return success;
+}
+bool MediaSource::unregist() {
+    //反注册该源
+    lock_guard<recursive_mutex> lock(g_mtxMediaSrc);
+    return searchMedia(m_strSchema, m_strVhost, m_strApp, m_strId, [&](SchemaVhostAppStreamMap::iterator &it0 ,
+                                                                       VhostAppStreamMap::iterator &it1,
+                                                                       AppStreamMap::iterator &it2,
+                                                                       StreamMap::iterator &it3){
+        auto strongMedia = it3->second.lock();
+        if(strongMedia && this != strongMedia.get()){
+            //不是自己,不允许反注册
+            return false;
+        }
+        it2->second.erase(it3);
+        eraseIfEmpty(it0,it1,it2);
+        unregisted();
+        return true;
+    });
+}
+void MediaSource::unregisted(){
+    InfoL <<  "" <<  m_strSchema << " " << m_strVhost << " " << m_strApp << " " << m_strId;
+    NoticeCenter::Instance().emitEvent(Broadcast::kBroadcastMediaChanged,
+                                       false,
+                                       m_strSchema.data(),
+                                       m_strVhost.data(),
+                                       m_strApp.data(),
+                                       m_strId.data());
+}
+
+void MediaInfo::parse(const string &url){
+    //string url = "rtsp://127.0.0.1:8554/live/id?key=val&a=1&&b=2&vhost=vhost.com";
+    auto schema_pos = url.find("://");
+    if(schema_pos != string::npos){
+        m_schema = url.substr(0,schema_pos);
+    }else{
+        schema_pos = -3;
+    }
+    auto split_vec = split(url.substr(schema_pos + 3),"/");
+    if(split_vec.size() > 0){
+        auto vhost = split_vec[0];
+        auto pos = vhost.find(":");
+        if(pos != string::npos){
+            m_host = m_vhost = vhost.substr(0,pos);
+            m_port = vhost.substr(pos + 1);
+        } else{
+            m_host = m_vhost = vhost;
+        }
+    }
+    if(split_vec.size() > 1){
+        m_app = split_vec[1];
+    }
+    if(split_vec.size() > 2){
+        string steamid;
+        for(int i = 2 ; i < split_vec.size() ; ++i){
+            steamid.append(split_vec[i] + "/");
+        }
+        if(steamid.back() == '/'){
+            steamid.pop_back();
+        }
+        auto pos = steamid.find("?");
+        if(pos != string::npos){
+            m_streamid = steamid.substr(0,pos);
+            auto params = steamid.substr(pos + 1);
+            m_params = Parser::parseArgs(params);
+            if(m_params.find(VHOST_KEY) != m_params.end()){
+                m_vhost = m_params[VHOST_KEY];
+            }
+        } else{
+            m_streamid = steamid;
+        }
+    }
+    if(m_vhost.empty()){
+        //无效vhost
+        m_vhost = DEFAULT_VHOST;
+    }else{
+        struct in_addr addr;
+        if(0 != inet_aton(m_vhost.data(),&addr)){
+            //这是ip,未指定vhost;使用默认vhost
+            m_vhost = DEFAULT_VHOST;
+        }
+    }
+
+}
+
+
+} /* namespace Media */
+} /* namespace ZL */
\ No newline at end of file

src/Common/MediaSource.h

+/*
+ * MIT License
+ *
+ * Copyright (c) 2016 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 ZLMEDIAKIT_MEDIASOURCE_H
+#define ZLMEDIAKIT_MEDIASOURCE_H
+
+#include <mutex>
+#include <string>
+#include <memory>
+#include <functional>
+#include <unordered_map>
+#include "Common/config.h"
+#include "Util/logger.h"
+#include "Util/TimeTicker.h"
+#include "Util/NoticeCenter.h"
+#include "Rtsp/Rtsp.h"
+#include <arpa/inet.h>
+
+
+using namespace std;
+using namespace Config;
+using namespace ZL::Util;
+
+namespace ZL {
+namespace Media {
+
+class MediaSourceEvent
+{
+public:
+    MediaSourceEvent(){};
+    virtual ~MediaSourceEvent(){};
+public:
+    virtual bool seekTo(uint32_t ui32Stamp){
+        return false;
+    }
+    virtual uint32_t getStamp() {
+        return 0;
+    }
+};
+class MediaInfo
+{
+public:
+    MediaInfo(){}
+    MediaInfo(const string &url){
+        parse(url);
+    }
+    ~MediaInfo(){}
+
+    void parse(const string &url);
+
+    string &operator[](const string &key){
+        return m_params[key];
+    }
+public:
+    string m_schema;
+    string m_host;
+    string m_port;
+    string m_vhost;
+    string m_app;
+    string m_streamid;
+    StrCaseMap m_params;
+};
+
+
+class MediaSource: public enable_shared_from_this<MediaSource> {
+public:
+    typedef std::shared_ptr<MediaSource> Ptr;
+    typedef unordered_map<string, weak_ptr<MediaSource> > StreamMap;
+    typedef unordered_map<string, StreamMap > AppStreamMap;
+    typedef unordered_map<string, AppStreamMap > VhostAppStreamMap;
+    typedef unordered_map<string, VhostAppStreamMap > SchemaVhostAppStreamMap;
+
+    MediaSource(const string &strSchema,
+                const string &strVhost,
+                const string &strApp,
+                const string &strId) :
+            m_strSchema(strSchema),
+            m_strApp(strApp),
+            m_strId(strId) {
+        if(strVhost.empty()){
+            m_strVhost = DEFAULT_VHOST;
+        }else{
+            m_strVhost = strVhost;
+        }
+    }
+    virtual ~MediaSource() {
+        unregist();
+    }
+
+    virtual bool regist() ;
+    virtual bool unregist() ;
+
+    static Ptr find(const string &schema,
+                    const string &vhost,
+                    const string &app,
+                    const string &id,
+                    bool bMake = true) ;
+
+    const string& getSchema() const {
+        return m_strSchema;
+    }
+    const string& getVhost() const {
+        return m_strVhost;
+    }
+    const string& getApp() const {
+        //获取该源的id
+        return m_strApp;
+    }
+    const string& getId() const {
+        return m_strId;
+    }
+
+    bool seekTo(uint32_t ui32Stamp) {
+        auto listener = m_listener.lock();
+        if(!listener){
+            return false;
+        }
+        return listener->seekTo(ui32Stamp);
+    }
+
+    uint32_t getStamp() {
+        auto listener = m_listener.lock();
+        if(!listener){
+            return 0;
+        }
+        return listener->getStamp();
+    }
+    void setListener(const std::weak_ptr<MediaSourceEvent> &listener){
+        m_listener = listener;
+    }
+private:
+        template <typename FUN>
+        static bool searchMedia(const string &schema,
+                                const string &vhost,
+                                const string &app,
+                                const string &id,
+                                FUN &&fun){
+        auto it0 = g_mapMediaSrc.find(schema);
+        if (it0 == g_mapMediaSrc.end()) {
+            //未找到协议
+            return false;
+        }
+        auto it1 = it0->second.find(vhost);
+        if(it1 == it0->second.end()){
+            //未找到vhost
+            return false;
+        }
+        auto it2 = it1->second.find(app);
+        if(it2 == it1->second.end()){
+            //未找到app
+            return false;
+        }
+        auto it3 = it2->second.find(id);
+        if(it3 == it2->second.end()){
+            //未找到streamId
+            return false;
+        }
+        return fun(it0,it1,it2,it3);
+    }
+    template <typename IT0,typename IT1,typename IT2>
+    static void eraseIfEmpty(IT0 it0,IT1 it1,IT2 it2){
+        if(it2->second.empty()){
+            it1->second.erase(it2);
+            if(it1->second.empty()){
+                it0->second.erase(it1);
+                if(it0->second.empty()){
+                    g_mapMediaSrc.erase(it0);
+                }
+            }
+        }
+    };
+    void unregisted();
+protected:
+    std::weak_ptr<MediaSourceEvent> m_listener;
+private:
+    string m_strSchema;//协议类型
+    string m_strVhost; //vhost
+    string m_strApp; //媒体app
+    string m_strId; //媒体id
+    static SchemaVhostAppStreamMap g_mapMediaSrc; //静态的媒体源表
+    static recursive_mutex g_mtxMediaSrc; //访问静态的媒体源表的互斥锁
+};
+
+} /* namespace Media */
+} /* namespace ZL */
+
+
+#endif //ZLMEDIAKIT_MEDIASOURCE_H