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Diffstat (limited to 'media/libstagefright/rtsp/ARTSPConnection.h')
-rw-r--r-- | media/libstagefright/rtsp/ARTSPConnection.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/media/libstagefright/rtsp/ARTSPConnection.h b/media/libstagefright/rtsp/ARTSPConnection.h new file mode 100644 index 0000000..68f2d59 --- /dev/null +++ b/media/libstagefright/rtsp/ARTSPConnection.h @@ -0,0 +1,132 @@ +/* + * Copyright (C) 2010 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef A_RTSP_CONNECTION_H_ + +#define A_RTSP_CONNECTION_H_ + +#include <media/stagefright/foundation/AHandler.h> +#include <media/stagefright/foundation/AString.h> + +namespace android { + +struct ABuffer; + +struct ARTSPResponse : public RefBase { + unsigned long mStatusCode; + AString mStatusLine; + KeyedVector<AString,AString> mHeaders; + sp<ABuffer> mContent; +}; + +struct ARTSPConnection : public AHandler { + ARTSPConnection(bool uidValid = false, uid_t uid = 0); + + void connect(const char *url, const sp<AMessage> &reply); + void disconnect(const sp<AMessage> &reply); + + void sendRequest(const char *request, const sp<AMessage> &reply); + + void observeBinaryData(const sp<AMessage> &reply); + + static bool ParseURL( + const char *url, AString *host, unsigned *port, AString *path, + AString *user, AString *pass); + +protected: + virtual ~ARTSPConnection(); + virtual void onMessageReceived(const sp<AMessage> &msg); + +private: + enum State { + DISCONNECTED, + CONNECTING, + CONNECTED, + }; + + enum { + kWhatConnect = 'conn', + kWhatDisconnect = 'disc', + kWhatCompleteConnection = 'comc', + kWhatSendRequest = 'sreq', + kWhatReceiveResponse = 'rres', + kWhatObserveBinaryData = 'obin', + }; + + enum AuthType { + NONE, + BASIC, + DIGEST + }; + + static const int64_t kSelectTimeoutUs; + + bool mUIDValid; + uid_t mUID; + State mState; + AString mUser, mPass; + AuthType mAuthType; + AString mNonce; + int mSocket; + int32_t mConnectionID; + int32_t mNextCSeq; + bool mReceiveResponseEventPending; + + KeyedVector<int32_t, sp<AMessage> > mPendingRequests; + + sp<AMessage> mObserveBinaryMessage; + + AString mUserAgent; + + void performDisconnect(); + + void onConnect(const sp<AMessage> &msg); + void onDisconnect(const sp<AMessage> &msg); + void onCompleteConnection(const sp<AMessage> &msg); + void onSendRequest(const sp<AMessage> &msg); + void onReceiveResponse(); + + void flushPendingRequests(); + void postReceiveReponseEvent(); + + // Return false iff something went unrecoverably wrong. + bool receiveRTSPReponse(); + status_t receive(void *data, size_t size); + bool receiveLine(AString *line); + sp<ABuffer> receiveBinaryData(); + bool notifyResponseListener(const sp<ARTSPResponse> &response); + + bool parseAuthMethod(const sp<ARTSPResponse> &response); + void addAuthentication(AString *request); + + void addUserAgent(AString *request) const; + + status_t findPendingRequest( + const sp<ARTSPResponse> &response, ssize_t *index) const; + + bool handleServerRequest(const sp<ARTSPResponse> &request); + + static bool ParseSingleUnsignedLong( + const char *from, unsigned long *x); + + static void MakeUserAgent(AString *userAgent); + + DISALLOW_EVIL_CONSTRUCTORS(ARTSPConnection); +}; + +} // namespace android + +#endif // A_RTSP_CONNECTION_H_ |