MtpServer.h revision 16864bae0f51c32c456da2c43adf7a057c0c4882 
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
27class MtpStorage;
28class MtpDatabase;
29
30class MtpServer {
31
32private:
33    // file descriptor for MTP kernel driver
34    int                 mFD;
35
36    // path to our sqlite3 database
37    const char*         mDatabasePath;
38
39    MtpDatabase*        mDatabase;
40
41    // current session ID
42    MtpSessionID        mSessionID;
43    // true if we have an open session and mSessionID is valid
44    bool                mSessionOpen;
45
46    MtpRequestPacket    mRequest;
47    MtpDataPacket       mData;
48    MtpResponsePacket   mResponse;
49
50    MtpStorageList      mStorages;
51
52    // handle for new object, set by SendObjectInfo and used by SendObject
53    MtpObjectHandle     mSendObjectHandle;
54    MtpString           mSendObjectFilePath;
55    size_t              mSendObjectFileSize;
56
57public:
58                        MtpServer(int fd, const char* databasePath);
59    virtual             ~MtpServer();
60
61    void                addStorage(const char* filePath);
62    inline void         addStorage(MtpStorage* storage) { mStorages.push(storage); }
63    MtpStorage*         getStorage(MtpStorageID id);
64    void                scanStorage();
65    void                run();
66
67private:
68    void                handleRequest();
69
70    MtpResponseCode     doGetDeviceInfo();
71    MtpResponseCode     doOpenSession();
72    MtpResponseCode     doCloseSession();
73    MtpResponseCode     doGetStorageIDs();
74    MtpResponseCode     doGetStorageInfo();
75    MtpResponseCode     doGetObjectPropsSupported();
76    MtpResponseCode     doGetObjectHandles();
77    MtpResponseCode     doGetObjectPropValue();
78    MtpResponseCode     doGetObjectInfo();
79    MtpResponseCode     doGetObject();
80    MtpResponseCode     doSendObjectInfo();
81    MtpResponseCode     doSendObject();
82    MtpResponseCode     doDeleteObject();
83    MtpResponseCode     doGetObjectPropDesc();
84};
85
86#endif // _MTP_SERVER_H
87