Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #ifndef A_RTSP_CONNECTION_H_ |
| 18 | |
| 19 | #define A_RTSP_CONNECTION_H_ |
| 20 | |
| 21 | #include <media/stagefright/foundation/AHandler.h> |
| 22 | #include <media/stagefright/foundation/AString.h> |
| 23 | |
| 24 | namespace android { |
| 25 | |
| 26 | struct ABuffer; |
| 27 | |
| 28 | struct ARTSPResponse : public RefBase { |
| 29 | unsigned long mStatusCode; |
| 30 | AString mStatusLine; |
| 31 | KeyedVector<AString,AString> mHeaders; |
| 32 | sp<ABuffer> mContent; |
| 33 | }; |
| 34 | |
| 35 | struct ARTSPConnection : public AHandler { |
| 36 | ARTSPConnection(); |
| 37 | |
| 38 | void connect(const char *url, const sp<AMessage> &reply); |
| 39 | void disconnect(const sp<AMessage> &reply); |
| 40 | |
| 41 | void sendRequest(const char *request, const sp<AMessage> &reply); |
| 42 | |
Andreas Huber | 0416da7 | 2010-08-26 11:17:32 -0700 | [diff] [blame] | 43 | void observeBinaryData(const sp<AMessage> &reply); |
| 44 | |
Andreas Huber | a0b442e | 2010-10-20 15:00:34 -0700 | [diff] [blame] | 45 | static bool ParseURL( |
| 46 | const char *url, AString *host, unsigned *port, AString *path, |
| 47 | AString *user, AString *pass); |
| 48 | |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 49 | protected: |
| 50 | virtual ~ARTSPConnection(); |
| 51 | virtual void onMessageReceived(const sp<AMessage> &msg); |
| 52 | |
| 53 | private: |
| 54 | enum State { |
| 55 | DISCONNECTED, |
| 56 | CONNECTING, |
| 57 | CONNECTED, |
| 58 | }; |
| 59 | |
| 60 | enum { |
| 61 | kWhatConnect = 'conn', |
| 62 | kWhatDisconnect = 'disc', |
| 63 | kWhatCompleteConnection = 'comc', |
| 64 | kWhatSendRequest = 'sreq', |
| 65 | kWhatReceiveResponse = 'rres', |
Andreas Huber | 0416da7 | 2010-08-26 11:17:32 -0700 | [diff] [blame] | 66 | kWhatObserveBinaryData = 'obin', |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 67 | }; |
| 68 | |
Andreas Huber | a0b442e | 2010-10-20 15:00:34 -0700 | [diff] [blame] | 69 | enum AuthType { |
| 70 | NONE, |
| 71 | BASIC, |
| 72 | DIGEST |
| 73 | }; |
| 74 | |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 75 | static const int64_t kSelectTimeoutUs; |
| 76 | |
| 77 | State mState; |
Andreas Huber | a0b442e | 2010-10-20 15:00:34 -0700 | [diff] [blame] | 78 | AString mUser, mPass; |
| 79 | AuthType mAuthType; |
| 80 | AString mNonce; |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 81 | int mSocket; |
| 82 | int32_t mConnectionID; |
| 83 | int32_t mNextCSeq; |
| 84 | bool mReceiveResponseEventPending; |
| 85 | |
| 86 | KeyedVector<int32_t, sp<AMessage> > mPendingRequests; |
| 87 | |
Andreas Huber | 0416da7 | 2010-08-26 11:17:32 -0700 | [diff] [blame] | 88 | sp<AMessage> mObserveBinaryMessage; |
| 89 | |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 90 | void onConnect(const sp<AMessage> &msg); |
| 91 | void onDisconnect(const sp<AMessage> &msg); |
| 92 | void onCompleteConnection(const sp<AMessage> &msg); |
| 93 | void onSendRequest(const sp<AMessage> &msg); |
| 94 | void onReceiveResponse(); |
| 95 | |
| 96 | void flushPendingRequests(); |
| 97 | void postReceiveReponseEvent(); |
| 98 | |
| 99 | // Return false iff something went unrecoverably wrong. |
| 100 | bool receiveRTSPReponse(); |
Andreas Huber | 0416da7 | 2010-08-26 11:17:32 -0700 | [diff] [blame] | 101 | status_t receive(void *data, size_t size); |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 102 | bool receiveLine(AString *line); |
Andreas Huber | 0416da7 | 2010-08-26 11:17:32 -0700 | [diff] [blame] | 103 | sp<ABuffer> receiveBinaryData(); |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 104 | bool notifyResponseListener(const sp<ARTSPResponse> &response); |
| 105 | |
Andreas Huber | a0b442e | 2010-10-20 15:00:34 -0700 | [diff] [blame] | 106 | bool parseAuthMethod(const sp<ARTSPResponse> &response); |
| 107 | void addAuthentication(AString *request); |
| 108 | |
| 109 | status_t findPendingRequest( |
| 110 | const sp<ARTSPResponse> &response, ssize_t *index) const; |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 111 | |
Andreas Huber | e066616 | 2011-02-16 13:20:02 -0800 | [diff] [blame] | 112 | bool handleServerRequest(const sp<ARTSPResponse> &request); |
| 113 | |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 114 | static bool ParseSingleUnsignedLong( |
| 115 | const char *from, unsigned long *x); |
| 116 | |
| 117 | DISALLOW_EVIL_CONSTRUCTORS(ARTSPConnection); |
| 118 | }; |
| 119 | |
| 120 | } // namespace android |
| 121 | |
| 122 | #endif // A_RTSP_CONNECTION_H_ |