annotated_operation.cc revision 7d9bd921a8f92338ca44a6ee368c58450da594df
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 off_t data_offset = blob_file->StoreBlob(*blob); 43 TEST_AND_RETURN_FALSE(data_offset != -1); 44 op.set_data_offset(data_offset); 45 op.set_data_length(blob->size()); 46 return true; 47} 48 49string InstallOperationTypeName(InstallOperation_Type op_type) { 50 switch (op_type) { 51 case InstallOperation::BSDIFF: 52 return "BSDIFF"; 53 case InstallOperation::MOVE: 54 return "MOVE"; 55 case InstallOperation::REPLACE: 56 return "REPLACE"; 57 case InstallOperation::REPLACE_BZ: 58 return "REPLACE_BZ"; 59 case InstallOperation::SOURCE_COPY: 60 return "SOURCE_COPY"; 61 case InstallOperation::SOURCE_BSDIFF: 62 return "SOURCE_BSDIFF"; 63 case InstallOperation::ZERO: 64 return "ZERO"; 65 case InstallOperation::DISCARD: 66 return "DISCARD"; 67 case InstallOperation::REPLACE_XZ: 68 return "REPLACE_XZ"; 69 } 70 return "UNK"; 71} 72 73std::ostream& operator<<(std::ostream& os, const AnnotatedOperation& aop) { 74 // For example, this prints: 75 // REPLACE_BZ 500 @3000 76 // name: /foo/bar 77 // dst: (123, 3) (127, 2) 78 os << InstallOperationTypeName(aop.op.type()) << " " << aop.op.data_length(); 79 if (aop.op.data_length() > 0) 80 os << " @" << aop.op.data_offset(); 81 if (!aop.name.empty()) { 82 os << std::endl << " name: " << aop.name; 83 } 84 if (aop.op.src_extents_size() != 0) { 85 os << std::endl << " src:"; 86 OutputExtents(&os, aop.op.src_extents()); 87 } 88 if (aop.op.dst_extents_size() != 0) { 89 os << std::endl << " dst:"; 90 OutputExtents(&os, aop.op.dst_extents()); 91 } 92 return os; 93} 94 95} // namespace chromeos_update_engine 96