crashpad/minidump/minidump_user_stream_writer.h
Sigurdur Asgeirsson 810d4815df minidump: Allow for user extension streams computed at crash time
Bug: crashpad:167
Change-Id: I94c143353482f100a31d6afb0685b38757a662d6
Reviewed-on: https://chromium-review.googlesource.com/455976
Commit-Queue: Sigurður Ásgeirsson <siggi@chromium.org>
Reviewed-by: Mark Mentovai <mark@chromium.org>
2017-03-23 13:10:57 +00:00

82 lines
2.6 KiB
C++

// Copyright 2016 The Crashpad Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef CRASHPAD_MINIDUMP_MINIDUMP_USER_STREAM_WRITER_H_
#define CRASHPAD_MINIDUMP_MINIDUMP_USER_STREAM_WRITER_H_
#include <windows.h>
#include <dbghelp.h>
#include <stdint.h>
#include <vector>
#include "base/macros.h"
#include "minidump/minidump_extensions.h"
#include "minidump/minidump_stream_writer.h"
#include "minidump/minidump_writable.h"
#include "snapshot/module_snapshot.h"
namespace crashpad {
//! \brief The writer for a MINIDUMP_USER_STREAM in a minidump file.
class MinidumpUserStreamWriter final : public internal::MinidumpStreamWriter {
public:
MinidumpUserStreamWriter();
~MinidumpUserStreamWriter() override;
//! \brief Initializes a MINIDUMP_USER_STREAM based on \a stream.
//!
//! \param[in] stream The memory and stream type to use as source data.
//!
//! \note Valid in #kStateMutable.
void InitializeFromSnapshot(const UserMinidumpStream* stream);
//! \brief Initializes a MINIDUMP_USER_STREAM based on \a stream_type,
//! \a buffer and \a buffer_size.
//!
//! \param[in] stream_type The type of the stream.
//! \param[in] buffer The data for the stream.
//! \param[in] buffer_size The length of \a buffer, and the resulting stream.
//!
//! \note Valid in #kStateMutable.
void InitializeFromBuffer(MinidumpStreamType stream_type,
const void* buffer,
size_t buffer_size);
protected:
// MinidumpWritable:
bool Freeze() override;
size_t SizeOfObject() override;
std::vector<internal::MinidumpWritable*> Children() override;
bool WriteObject(FileWriterInterface* file_writer) override;
// MinidumpStreamWriter:
MinidumpStreamType StreamType() const override;
private:
class ContentsWriter;
class SnapshotContentsWriter;
class BufferContentsWriter;
std::unique_ptr<ContentsWriter> contents_writer_;
MinidumpStreamType stream_type_;
DISALLOW_COPY_AND_ASSIGN(MinidumpUserStreamWriter);
};
} // namespace crashpad
#endif // CRASHPAD_MINIDUMP_MINIDUMP_USER_STREAM_WRITER_H_