From 2e2a51283dfebaa23b3d580743d4556dc7c30a91 Mon Sep 17 00:00:00 2001
From: xuxiuxi <xuxiuxi@454eff88-639b-444f-9e54-f578c98de674>
Date: 星期三, 03 五月 2017 12:21:46 +0800
Subject: [PATCH]
---
VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/GenericMediaServer.hh | 192 ++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 192 insertions(+), 0 deletions(-)
diff --git a/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/GenericMediaServer.hh b/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/GenericMediaServer.hh
new file mode 100644
index 0000000..344f996
--- /dev/null
+++ b/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/GenericMediaServer.hh
@@ -0,0 +1,192 @@
+/**********
+This library is free software; you can redistribute it and/or modify it under
+the terms of the GNU Lesser General Public License as published by the
+Free Software Foundation; either version 3 of the License, or (at your
+option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.)
+
+This library is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
+more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with this library; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+**********/
+// "liveMedia"
+// Copyright (c) 1996-2017 Live Networks, Inc. All rights reserved.
+// A generic media server class, used to implement a RTSP server, and any other server that uses
+// "ServerMediaSession" objects to describe media to be served.
+// C++ header
+
+#ifndef _GENERIC_MEDIA_SERVER_HH
+#define _GENERIC_MEDIA_SERVER_HH
+
+#ifndef _MEDIA_HH
+#include "Media.hh"
+#endif
+#ifndef _SERVER_MEDIA_SESSION_HH
+#include "ServerMediaSession.hh"
+#endif
+
+#ifndef REQUEST_BUFFER_SIZE
+#define REQUEST_BUFFER_SIZE 20000 // for incoming requests
+#endif
+#ifndef RESPONSE_BUFFER_SIZE
+#define RESPONSE_BUFFER_SIZE 20000
+#endif
+
+class GenericMediaServer: public Medium {
+public:
+ void addServerMediaSession(ServerMediaSession* serverMediaSession);
+
+ virtual ServerMediaSession*
+ lookupServerMediaSession(char const* streamName, Boolean isFirstLookupInSession = True);
+
+ void removeServerMediaSession(ServerMediaSession* serverMediaSession);
+ // Removes the "ServerMediaSession" object from our lookup table, so it will no longer be accessible by new clients.
+ // (However, any *existing* client sessions that use this "ServerMediaSession" object will continue streaming.
+ // The "ServerMediaSession" object will not get deleted until all of these client sessions have closed.)
+ // (To both delete the "ServerMediaSession" object *and* close all client sessions that use it,
+ // call "deleteServerMediaSession(serverMediaSession)" instead.)
+ void removeServerMediaSession(char const* streamName);
+ // ditto
+
+ void closeAllClientSessionsForServerMediaSession(ServerMediaSession* serverMediaSession);
+ // Closes (from the server) all client sessions that are currently using this "ServerMediaSession" object.
+ // Note, however, that the "ServerMediaSession" object remains accessible by new clients.
+ void closeAllClientSessionsForServerMediaSession(char const* streamName);
+ // ditto
+
+ void deleteServerMediaSession(ServerMediaSession* serverMediaSession);
+ // Equivalent to:
+ // "closeAllClientSessionsForServerMediaSession(serverMediaSession); removeServerMediaSession(serverMediaSession);"
+ void deleteServerMediaSession(char const* streamName);
+ // Equivalent to:
+ // "closeAllClientSessionsForServerMediaSession(streamName); removeServerMediaSession(streamName);
+
+protected:
+ GenericMediaServer(UsageEnvironment& env, int ourSocket, Port ourPort,
+ unsigned reclamationSeconds);
+ // If "reclamationSeconds" > 0, then the "ClientSession" state for each client will get
+ // reclaimed if no activity from the client is detected in at least "reclamationSeconds".
+ // we're an abstract base class
+ virtual ~GenericMediaServer();
+ void cleanup(); // MUST be called in the destructor of any subclass of us
+
+ static int setUpOurSocket(UsageEnvironment& env, Port& ourPort);
+
+ static void incomingConnectionHandler(void*, int /*mask*/);
+ void incomingConnectionHandler();
+ void incomingConnectionHandlerOnSocket(int serverSocket);
+
+public: // should be protected, but some old compilers complain otherwise
+ // The state of a TCP connection used by a client:
+ class ClientConnection {
+ protected:
+ ClientConnection(GenericMediaServer& ourServer, int clientSocket, struct sockaddr_in clientAddr);
+ virtual ~ClientConnection();
+
+ UsageEnvironment& envir() { return fOurServer.envir(); }
+ void closeSockets();
+
+ static void incomingRequestHandler(void*, int /*mask*/);
+ void incomingRequestHandler();
+ virtual void handleRequestBytes(int newBytesRead) = 0;
+ void resetRequestBuffer();
+
+ protected:
+ friend class GenericMediaServer;
+ friend class ClientSession;
+ friend class RTSPServer; // needed to make some broken Windows compilers work; remove this in the future when we end support for Windows
+ GenericMediaServer& fOurServer;
+ int fOurSocket;
+ struct sockaddr_in fClientAddr;
+ unsigned char fRequestBuffer[REQUEST_BUFFER_SIZE];
+ unsigned char fResponseBuffer[RESPONSE_BUFFER_SIZE];
+ unsigned fRequestBytesAlreadySeen, fRequestBufferBytesLeft;
+ };
+
+ // The state of an individual client session (using one or more sequential TCP connections) handled by a server:
+ class ClientSession {
+ protected:
+ ClientSession(GenericMediaServer& ourServer, u_int32_t sessionId);
+ virtual ~ClientSession();
+
+ UsageEnvironment& envir() { return fOurServer.envir(); }
+ void noteLiveness();
+ static void noteClientLiveness(ClientSession* clientSession);
+ static void livenessTimeoutTask(ClientSession* clientSession);
+
+ protected:
+ friend class GenericMediaServer;
+ friend class ClientConnection;
+ GenericMediaServer& fOurServer;
+ u_int32_t fOurSessionId;
+ ServerMediaSession* fOurServerMediaSession;
+ TaskToken fLivenessCheckTask;
+ };
+
+protected:
+ virtual ClientConnection* createNewClientConnection(int clientSocket, struct sockaddr_in clientAddr) = 0;
+ virtual ClientSession* createNewClientSession(u_int32_t sessionId) = 0;
+
+ ClientSession* createNewClientSessionWithId();
+ // Generates a new (unused) random session id, and calls the "createNewClientSession()"
+ // virtual function with this session id as parameter.
+
+ // Lookup a "ClientSession" object by sessionId (integer, and string):
+ ClientSession* lookupClientSession(u_int32_t sessionId);
+ ClientSession* lookupClientSession(char const* sessionIdStr);
+
+ // An iterator over our "ServerMediaSession" objects:
+ class ServerMediaSessionIterator {
+ public:
+ ServerMediaSessionIterator(GenericMediaServer& server);
+ virtual ~ServerMediaSessionIterator();
+ ServerMediaSession* next();
+ private:
+ HashTable::Iterator* fOurIterator;
+ };
+
+protected:
+ friend class ClientConnection;
+ friend class ClientSession;
+ friend class ServerMediaSessionIterator;
+ int fServerSocket;
+ Port fServerPort;
+ unsigned fReclamationSeconds;
+
+private:
+ HashTable* fServerMediaSessions; // maps 'stream name' strings to "ServerMediaSession" objects
+ HashTable* fClientConnections; // the "ClientConnection" objects that we're using
+ HashTable* fClientSessions; // maps 'session id' strings to "ClientSession" objects
+};
+
+// A data structure used for optional user/password authentication:
+
+class UserAuthenticationDatabase {
+public:
+ UserAuthenticationDatabase(char const* realm = NULL,
+ Boolean passwordsAreMD5 = False);
+ // If "passwordsAreMD5" is True, then each password stored into, or removed from,
+ // the database is actually the value computed
+ // by md5(<username>:<realm>:<actual-password>)
+ virtual ~UserAuthenticationDatabase();
+
+ virtual void addUserRecord(char const* username, char const* password);
+ virtual void removeUserRecord(char const* username);
+
+ virtual char const* lookupPassword(char const* username);
+ // returns NULL if the user name was not present
+
+ char const* realm() { return fRealm; }
+ Boolean passwordsAreMD5() { return fPasswordsAreMD5; }
+
+protected:
+ HashTable* fTable;
+ char* fRealm;
+ Boolean fPasswordsAreMD5;
+};
+
+#endif
--
Gitblit v1.8.0