1 /* 2 * Copyright (C) 2014 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 #include <stdlib.h> 18 #include <stdio.h> 19 #include <string.h> 20 #include <errno.h> 21 22 #include "adb.h" 23 #include "adb_io.h" 24 #include "fuse_adb_provider.h" 25 #include "fuse_sideload.h" 26 27 int read_block_adb(void* data, uint32_t block, uint8_t* buffer, uint32_t fetch_size) { 28 adb_data* ad = reinterpret_cast<adb_data*>(data); 29 30 if (!WriteFdFmt(ad->sfd, "%08u", block)) { 31 fprintf(stderr, "failed to write to adb host: %s\n", strerror(errno)); 32 return -EIO; 33 } 34 35 if (!ReadFdExactly(ad->sfd, buffer, fetch_size)) { 36 fprintf(stderr, "failed to read from adb host: %s\n", strerror(errno)); 37 return -EIO; 38 } 39 40 return 0; 41 } 42 43 static void close_adb(void* data) { 44 adb_data* ad = reinterpret_cast<adb_data*>(data); 45 WriteFdExactly(ad->sfd, "DONEDONE"); 46 } 47 48 int run_adb_fuse(int sfd, uint64_t file_size, uint32_t block_size) { 49 adb_data ad; 50 ad.sfd = sfd; 51 ad.file_size = file_size; 52 ad.block_size = block_size; 53 54 provider_vtab vtab; 55 vtab.read_block = read_block_adb; 56 vtab.close = close_adb; 57 58 return run_fuse_sideload(&vtab, &ad, file_size, block_size); 59 } 60
