summaryrefslogtreecommitdiffstats
path: root/media/libstagefright/rtsp/ARTSPConnection.h
blob: 1fe9c99f45f463876bfd573a27181c8cfaad4c05 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
/*
 * 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;

    static const AString sUserAgent;

    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;

    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);

    DISALLOW_EVIL_CONSTRUCTORS(ARTSPConnection);
};

}  // namespace android

#endif  // A_RTSP_CONNECTION_H_