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/common/utils.h" 24 #include "update_engine/payload_consumer/payload_constants.h" 25 26 namespace chromeos_update_engine { 27 28 namespace { 29 // Output the list of extents as (start_block, num_blocks) in the passed output 30 // stream. 31 void OutputExtents(std::ostream* os, 32 const google::protobuf::RepeatedPtrField<Extent>& extents) { 33 for (const auto& extent : extents) { 34 *os << " (" << extent.start_block() << ", " << extent.num_blocks() << ")"; 35 } 36 } 37 } // namespace 38 39 bool AnnotatedOperation::SetOperationBlob(const brillo::Blob& blob, 40 BlobFileWriter* blob_file) { 41 if (blob.empty()) { 42 op.clear_data_offset(); 43 op.clear_data_length(); 44 return true; 45 } 46 off_t data_offset = blob_file->StoreBlob(blob); 47 TEST_AND_RETURN_FALSE(data_offset != -1); 48 op.set_data_offset(data_offset); 49 op.set_data_length(blob.size()); 50 return true; 51 } 52 53 std::ostream& operator<<(std::ostream& os, const AnnotatedOperation& aop) { 54 // For example, this prints: 55 // REPLACE_BZ 500 @3000 56 // name: /foo/bar 57 // dst: (123, 3) (127, 2) 58 os << InstallOperationTypeName(aop.op.type()) << " " << aop.op.data_length(); 59 if (aop.op.data_length() > 0) 60 os << " @" << aop.op.data_offset(); 61 if (!aop.name.empty()) { 62 os << std::endl << " name: " << aop.name; 63 } 64 if (aop.op.src_extents_size() != 0) { 65 os << std::endl << " src:"; 66 OutputExtents(&os, aop.op.src_extents()); 67 } 68 if (aop.op.dst_extents_size() != 0) { 69 os << std::endl << " dst:"; 70 OutputExtents(&os, aop.op.dst_extents()); 71 } 72 return os; 73 } 74 75 } // namespace chromeos_update_engine 76
