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 #include <vector> 22 23 #define MKID(a,b,c,d) ((a) | ((b) << 8) | ((c) << 16) | ((d) << 24)) 24 25 #define ID_LSTAT_V1 MKID('S','T','A','T') 26 #define ID_STAT_V2 MKID('S','T','A','2') 27 #define ID_LSTAT_V2 MKID('L','S','T','2') 28 #define ID_LIST MKID('L','I','S','T') 29 #define ID_SEND MKID('S','E','N','D') 30 #define ID_RECV MKID('R','E','C','V') 31 #define ID_DENT MKID('D','E','N','T') 32 #define ID_DONE MKID('D','O','N','E') 33 #define ID_DATA MKID('D','A','T','A') 34 #define ID_OKAY MKID('O','K','A','Y') 35 #define ID_FAIL MKID('F','A','I','L') 36 #define ID_QUIT MKID('Q','U','I','T') 37 38 struct SyncRequest { 39 uint32_t id; // ID_STAT, et cetera. 40 uint32_t path_length; // <= 1024 41 // Followed by 'path_length' bytes of path (not NUL-terminated). 42 } __attribute__((packed)) ; 43 44 union syncmsg { 45 struct __attribute__((packed)) { 46 uint32_t id; 47 uint32_t mode; 48 uint32_t size; 49 uint32_t time; 50 } stat_v1; 51 struct __attribute__((packed)) { 52 uint32_t id; 53 uint32_t error; 54 uint64_t dev; 55 uint64_t ino; 56 uint32_t mode; 57 uint32_t nlink; 58 uint32_t uid; 59 uint32_t gid; 60 uint64_t size; 61 int64_t atime; 62 int64_t mtime; 63 int64_t ctime; 64 } stat_v2; 65 struct __attribute__((packed)) { 66 uint32_t id; 67 uint32_t mode; 68 uint32_t size; 69 uint32_t time; 70 uint32_t namelen; 71 } dent; 72 struct __attribute__((packed)) { 73 uint32_t id; 74 uint32_t size; 75 } data; 76 struct __attribute__((packed)) { 77 uint32_t id; 78 uint32_t msglen; 79 } status; 80 }; 81 82 void file_sync_service(int fd, void* cookie); 83 bool do_sync_ls(const char* path); 84 bool do_sync_push(const std::vector<const char*>& srcs, const char* dst, bool sync); 85 bool do_sync_pull(const std::vector<const char*>& srcs, const char* dst, 86 bool copy_attrs, const char* name=nullptr); 87 88 bool do_sync_sync(const std::string& lpath, const std::string& rpath, bool list_only); 89 90 #define SYNC_DATA_MAX (64*1024) 91 92 #endif 93