MtpServer.h revision 7850ef999740f214a1990a9c090d3f3865d435aa 
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 _MTP_SERVER_H
18#define _MTP_SERVER_H
19
20#include "MtpRequestPacket.h"
21#include "MtpDataPacket.h"
22#include "MtpResponsePacket.h"
23#include "mtp.h"
24
25#include "MtpUtils.h"
26
27namespace android {
28
29class MtpStorage;
30class MtpDatabase;
31
32class MtpServer {
33
34private:
35    // file descriptor for MTP kernel driver
36    int                 mFD;
37
38    // path to our sqlite3 database
39    const char*         mDatabasePath;
40
41    MtpDatabase*        mDatabase;
42
43    // current session ID
44    MtpSessionID        mSessionID;
45    // true if we have an open session and mSessionID is valid
46    bool                mSessionOpen;
47
48    MtpRequestPacket    mRequest;
49    MtpDataPacket       mData;
50    MtpResponsePacket   mResponse;
51
52    MtpStorageList      mStorages;
53
54    // handle for new object, set by SendObjectInfo and used by SendObject
55    MtpObjectHandle     mSendObjectHandle;
56    MtpString           mSendObjectFilePath;
57    size_t              mSendObjectFileSize;
58
59public:
60                        MtpServer(int fd, const char* databasePath);
61    virtual             ~MtpServer();
62
63    void                addStorage(const char* filePath);
64    inline void         addStorage(MtpStorage* storage) { mStorages.push(storage); }
65    MtpStorage*         getStorage(MtpStorageID id);
66    void                scanStorage();
67    void                run();
68
69private:
70    void                handleRequest();
71
72    MtpResponseCode     doGetDeviceInfo();
73    MtpResponseCode     doOpenSession();
74    MtpResponseCode     doCloseSession();
75    MtpResponseCode     doGetStorageIDs();
76    MtpResponseCode     doGetStorageInfo();
77    MtpResponseCode     doGetObjectPropsSupported();
78    MtpResponseCode     doGetObjectHandles();
79    MtpResponseCode     doGetObjectPropValue();
80    MtpResponseCode     doGetObjectInfo();
81    MtpResponseCode     doGetObject();
82    MtpResponseCode     doSendObjectInfo();
83    MtpResponseCode     doSendObject();
84    MtpResponseCode     doDeleteObject();
85    MtpResponseCode     doGetObjectPropDesc();
86};
87
88}; // namespace android
89
90#endif // _MTP_SERVER_H
91