165 lines
4.4 KiB
C++
165 lines
4.4 KiB
C++
// Copyright 2017 The Crashpad Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "minidump/minidump_annotation_writer.h"
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#include <memory>
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#include "base/check_op.h"
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#include "base/logging.h"
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#include "util/file/file_writer.h"
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#include "util/numeric/safe_assignment.h"
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namespace crashpad {
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MinidumpAnnotationWriter::MinidumpAnnotationWriter() = default;
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MinidumpAnnotationWriter::~MinidumpAnnotationWriter() = default;
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void MinidumpAnnotationWriter::InitializeFromSnapshot(
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const AnnotationSnapshot& snapshot) {
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DCHECK_EQ(state(), kStateMutable);
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name_.SetUTF8(snapshot.name);
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annotation_.type = snapshot.type;
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annotation_.reserved = 0;
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value_.set_data(snapshot.value);
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}
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void MinidumpAnnotationWriter::InitializeWithData(
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const std::string& name,
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uint16_t type,
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const std::vector<uint8_t>& data) {
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DCHECK_EQ(state(), kStateMutable);
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name_.SetUTF8(name);
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annotation_.type = type;
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annotation_.reserved = 0;
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value_.set_data(data);
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}
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bool MinidumpAnnotationWriter::Freeze() {
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DCHECK_EQ(state(), kStateMutable);
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if (!MinidumpWritable::Freeze()) {
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return false;
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}
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name_.RegisterRVA(&annotation_.name);
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value_.RegisterRVA(&annotation_.value);
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return true;
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}
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size_t MinidumpAnnotationWriter::SizeOfObject() {
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DCHECK_GE(state(), kStateFrozen);
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// This object is written by the MinidumpAnnotationListWriter, and its
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// children write themselves.
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return 0;
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}
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std::vector<internal::MinidumpWritable*> MinidumpAnnotationWriter::Children() {
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DCHECK_GE(state(), kStateFrozen);
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return {&name_, &value_};
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}
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bool MinidumpAnnotationWriter::WriteObject(FileWriterInterface* file_writer) {
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DCHECK_EQ(state(), kStateWritable);
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// This object is written by the MinidumpAnnotationListWriter, and its
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// children write themselves.
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return true;
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}
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MinidumpAnnotationListWriter::MinidumpAnnotationListWriter()
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: minidump_list_(new MinidumpAnnotationList()) {}
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MinidumpAnnotationListWriter::~MinidumpAnnotationListWriter() = default;
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void MinidumpAnnotationListWriter::InitializeFromList(
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const std::vector<AnnotationSnapshot>& list) {
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DCHECK_EQ(state(), kStateMutable);
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for (const auto& annotation : list) {
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auto writer = std::make_unique<MinidumpAnnotationWriter>();
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writer->InitializeFromSnapshot(annotation);
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AddObject(std::move(writer));
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}
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}
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void MinidumpAnnotationListWriter::AddObject(
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std::unique_ptr<MinidumpAnnotationWriter> annotation_writer) {
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DCHECK_EQ(state(), kStateMutable);
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objects_.push_back(std::move(annotation_writer));
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}
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bool MinidumpAnnotationListWriter::IsUseful() const {
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return !objects_.empty();
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}
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bool MinidumpAnnotationListWriter::Freeze() {
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DCHECK_EQ(state(), kStateMutable);
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if (!MinidumpWritable::Freeze()) {
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return false;
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}
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if (!AssignIfInRange(&minidump_list_->count, objects_.size())) {
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LOG(ERROR) << "annotation list size " << objects_.size()
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<< " is out of range";
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return false;
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}
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return true;
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}
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size_t MinidumpAnnotationListWriter::SizeOfObject() {
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DCHECK_GE(state(), kStateFrozen);
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return sizeof(*minidump_list_) + sizeof(MinidumpAnnotation) * objects_.size();
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}
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std::vector<internal::MinidumpWritable*>
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MinidumpAnnotationListWriter::Children() {
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DCHECK_GE(state(), kStateFrozen);
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std::vector<internal::MinidumpWritable*> children(objects_.size());
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for (size_t i = 0; i < objects_.size(); ++i) {
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children[i] = objects_[i].get();
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}
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return children;
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}
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bool MinidumpAnnotationListWriter::WriteObject(
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FileWriterInterface* file_writer) {
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DCHECK_EQ(state(), kStateWritable);
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std::vector<WritableIoVec> iov;
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iov.reserve(1 + objects_.size());
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iov.emplace_back(
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WritableIoVec{minidump_list_.get(), sizeof(*minidump_list_)});
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for (const auto& object : objects_) {
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iov.emplace_back(WritableIoVec{object->minidump_annotation(),
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sizeof(MinidumpAnnotation)});
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}
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return file_writer->WriteIoVec(&iov);
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}
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} // namespace crashpad
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