file_sync_service.h revision b708d1628332ea9266d08f0297cd9e9ee341a64f 
1/*
2 * Copyright (C) 2007 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 _FILE_SYNC_SERVICE_H_
18#define _FILE_SYNC_SERVICE_H_
19
20#include <string>
21
22#define MKID(a,b,c,d) ((a) | ((b) << 8) | ((c) << 16) | ((d) << 24))
23
24#define ID_STAT MKID('S','T','A','T')
25#define ID_LIST MKID('L','I','S','T')
26#define ID_SEND MKID('S','E','N','D')
27#define ID_RECV MKID('R','E','C','V')
28#define ID_DENT MKID('D','E','N','T')
29#define ID_DONE MKID('D','O','N','E')
30#define ID_DATA MKID('D','A','T','A')
31#define ID_OKAY MKID('O','K','A','Y')
32#define ID_FAIL MKID('F','A','I','L')
33#define ID_QUIT MKID('Q','U','I','T')
34
35struct SyncRequest {
36    uint32_t id;  // ID_STAT, et cetera.
37    uint32_t path_length;  // <= 1024
38    // Followed by 'path_length' bytes of path (not NUL-terminated).
39} __attribute__((packed)) ;
40
41union syncmsg {
42    struct __attribute__((packed)) {
43        unsigned id;
44        unsigned mode;
45        unsigned size;
46        unsigned time;
47    } stat;
48    struct __attribute__((packed)) {
49        unsigned id;
50        unsigned mode;
51        unsigned size;
52        unsigned time;
53        unsigned namelen;
54    } dent;
55    struct __attribute__((packed)) {
56        unsigned id;
57        unsigned size;
58    } data;
59    struct __attribute__((packed)) {
60        unsigned id;
61        unsigned msglen;
62    } status;
63};
64
65void file_sync_service(int fd, void* cookie);
66bool do_sync_ls(const char* path);
67bool do_sync_push(const char* lpath, const char* rpath);
68bool do_sync_sync(const std::string& lpath, const std::string& rpath, bool list_only);
69bool do_sync_pull(const char* rpath, const char* lpath, int copy_attrs);
70
71#define SYNC_DATA_MAX (64*1024)
72
73#endif
74