annotated_operation.cc revision aea4c1cea20dda7ae7e85fc8924a2d784f70d806
1// 2// Copyright (C) 2015 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 "update_engine/payload_generator/annotated_operation.h" 18 19#include <base/format_macros.h> 20#include <base/strings/string_number_conversions.h> 21#include <base/strings/stringprintf.h> 22 23#include "update_engine/utils.h" 24 25using std::string; 26 27namespace chromeos_update_engine { 28 29namespace { 30// Output the list of extents as (start_block, num_blocks) in the passed output 31// stream. 32void OutputExtents(std::ostream* os, 33 const google::protobuf::RepeatedPtrField<Extent>& extents) { 34 for (const auto& extent : extents) { 35 *os << " (" << extent.start_block() << ", " << extent.num_blocks() << ")"; 36 } 37} 38} // namespace 39 40bool AnnotatedOperation::SetOperationBlob(chromeos::Blob* blob, 41 BlobFileWriter* blob_file) { 42 op.set_data_length(blob->size()); 43 off_t data_offset = blob_file->StoreBlob(*blob); 44 if (data_offset == -1) 45 return false; 46 op.set_data_offset(data_offset); 47 return true; 48} 49 50string InstallOperationTypeName(InstallOperation_Type op_type) { 51 switch (op_type) { 52 case InstallOperation::BSDIFF: 53 return "BSDIFF"; 54 case InstallOperation::MOVE: 55 return "MOVE"; 56 case InstallOperation::REPLACE: 57 return "REPLACE"; 58 case InstallOperation::REPLACE_BZ: 59 return "REPLACE_BZ"; 60 case InstallOperation::SOURCE_COPY: 61 return "SOURCE_COPY"; 62 case InstallOperation::SOURCE_BSDIFF: 63 return "SOURCE_BSDIFF"; 64 case InstallOperation::ZERO: 65 return "ZERO"; 66 case InstallOperation::DISCARD: 67 return "DISCARD"; 68 } 69 return "UNK"; 70} 71 72std::ostream& operator<<(std::ostream& os, const AnnotatedOperation& aop) { 73 // For example, this prints: 74 // REPLACE_BZ 500 @3000 75 // name: /foo/bar 76 // dst: (123, 3) (127, 2) 77 os << InstallOperationTypeName(aop.op.type()) << " " << aop.op.data_length(); 78 if (aop.op.data_length() > 0) 79 os << " @" << aop.op.data_offset(); 80 if (!aop.name.empty()) { 81 os << std::endl << " name: " << aop.name; 82 } 83 if (aop.op.src_extents_size() != 0) { 84 os << std::endl << " src:"; 85 OutputExtents(&os, aop.op.src_extents()); 86 } 87 if (aop.op.dst_extents_size() != 0) { 88 os << std::endl << " dst:"; 89 OutputExtents(&os, aop.op.dst_extents()); 90 } 91 return os; 92} 93 94} // namespace chromeos_update_engine 95