MtpServer.h revision 8e2a280ab7f98bf00ff2651f1f93c8f8bd46c08d 
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 MtpSqliteDatabase;
31class MtpProperty;
32
33class MtpServer {
34
35private:
36    // file descriptor for MTP kernel driver
37    int                 mFD;
38
39    // path to our sqlite3 database
40    const char*         mDatabasePath;
41
42    MtpSqliteDatabase*  mDatabase;
43
44    // group to own new files and folders
45    int                 mFileGroup;
46    // permissions for new files and directories
47    int                 mFilePermission;
48    int                 mDirectoryPermission;
49
50    // current session ID
51    MtpSessionID        mSessionID;
52    // true if we have an open session and mSessionID is valid
53    bool                mSessionOpen;
54
55    MtpRequestPacket    mRequest;
56    MtpDataPacket       mData;
57    MtpResponsePacket   mResponse;
58
59    MtpStorageList      mStorages;
60
61    MtpPropertyList     mObjectProperties;
62    MtpPropertyList     mDeviceProperties;
63
64    // handle for new object, set by SendObjectInfo and used by SendObject
65    MtpObjectHandle     mSendObjectHandle;
66    MtpString           mSendObjectFilePath;
67    size_t              mSendObjectFileSize;
68
69public:
70                        MtpServer(int fd, const char* databasePath,
71                                    int fileGroup, int filePerm, int directoryPerm);
72    virtual             ~MtpServer();
73
74    void                addStorage(const char* filePath);
75    inline void         addStorage(MtpStorage* storage) { mStorages.push(storage); }
76    MtpStorage*         getStorage(MtpStorageID id);
77    void                scanStorage();
78    void                run();
79
80    MtpProperty*        getObjectProperty(MtpPropertyCode propCode);
81    MtpProperty*        getDeviceProperty(MtpPropertyCode propCode);
82
83private:
84    void                initObjectProperties();
85
86    bool                handleRequest();
87
88    MtpResponseCode     doGetDeviceInfo();
89    MtpResponseCode     doOpenSession();
90    MtpResponseCode     doCloseSession();
91    MtpResponseCode     doGetStorageIDs();
92    MtpResponseCode     doGetStorageInfo();
93    MtpResponseCode     doGetObjectPropsSupported();
94    MtpResponseCode     doGetObjectHandles();
95    MtpResponseCode     doGetObjectPropValue();
96    MtpResponseCode     doGetObjectInfo();
97    MtpResponseCode     doGetObject();
98    MtpResponseCode     doSendObjectInfo();
99    MtpResponseCode     doSendObject();
100    MtpResponseCode     doDeleteObject();
101    MtpResponseCode     doGetObjectPropDesc();
102};
103
104}; // namespace android
105
106#endif // _MTP_SERVER_H
107