HTTPBase.h revision 1156dc913a5ba7b2bc86489468d4914430f03d14 
1/*
2 * Copyright (C) 2011 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 HTTP_BASE_H_
18
19#define HTTP_BASE_H_
20
21#include <media/stagefright/foundation/ABase.h>
22#include <media/stagefright/DataSource.h>
23
24namespace android {
25
26struct HTTPBase : public DataSource {
27    enum Flags {
28        // Don't log any URLs.
29        kFlagIncognito = 1
30    };
31
32    HTTPBase();
33
34    virtual status_t connect(
35            const char *uri,
36            const KeyedVector<String8, String8> *headers = NULL,
37            off64_t offset = 0) = 0;
38
39    virtual void disconnect() = 0;
40
41    // Returns true if bandwidth could successfully be estimated,
42    // false otherwise.
43    virtual bool estimateBandwidth(int32_t *bandwidth_bps) = 0;
44
45    static sp<HTTPBase> Create(uint32_t flags = 0);
46
47private:
48    DISALLOW_EVIL_CONSTRUCTORS(HTTPBase);
49};
50
51}  // namespace android
52
53#endif  // HTTP_BASE_H_
54