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30385d4e47
Bug: crashpad:167 Test: Add crashpad_handler_test. Change-Id: I79b0b71dc4f61e6dce6bc10083e2f924dc83c940 Reviewed-on: https://chromium-review.googlesource.com/463746 Commit-Queue: Sigurður Ásgeirsson <siggi@chromium.org> Reviewed-by: Mark Mentovai <mark@chromium.org>
85 lines
3.1 KiB
C++
85 lines
3.1 KiB
C++
// Copyright 2017 The Crashpad Authors. All rights reserved.
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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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#ifndef CRASHPAD_MINIDUMP_MINIDUMP_USER_EXTENSION_STREAM_DATA_SOURCE_H_
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#define CRASHPAD_MINIDUMP_MINIDUMP_USER_EXTENSION_STREAM_DATA_SOURCE_H_
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#include <stdint.h>
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#include <sys/types.h>
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#include "base/macros.h"
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#include "minidump/minidump_extensions.h"
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namespace crashpad {
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//! \brief Describes a user extension data stream in a minidump.
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class MinidumpUserExtensionStreamDataSource {
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public:
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//! \brief An interface implemented by readers of
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//! MinidumpUserExtensionStreamDataSource.
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class Delegate {
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public:
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//! \brief Called by MinidumpUserExtensionStreamDataSource::Read() to
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//! provide data requested by a call to that method.
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//!
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//! \param[in] data A pointer to the data that was read. The callee does not
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//! take ownership of this data. This data is only valid for the
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//! duration of the call to this method. This parameter may be `nullptr`
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//! if \a size is `0`.
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//! \param[in] size The size of the data that was read.
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//!
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//! \return `true` on success, `false` on failure.
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//! MinidumpUserExtensionStreamDataSource::ReadStreamData() will use
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//! this as its own return value.
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virtual bool ExtensionStreamDataSourceRead(const void* data,
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size_t size) = 0;
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protected:
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~Delegate() {}
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};
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//! \brief Constructs a MinidumpUserExtensionStreamDataSource.
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//!
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//! \param[in] stream_type The type of the user extension stream.
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explicit MinidumpUserExtensionStreamDataSource(uint32_t stream_type);
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virtual ~MinidumpUserExtensionStreamDataSource();
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MinidumpStreamType stream_type() const { return stream_type_; }
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//! \brief The size of this data stream.
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virtual size_t StreamDataSize() = 0;
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//! \brief Calls Delegate::UserStreamDataSourceRead(), providing it with
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//! the stream data.
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//!
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//! Implementations do not necessarily compute the stream data prior to
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//! this method being called. The stream data may be computed or loaded
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//! lazily and may be discarded after being passed to the delegate.
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//!
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//! \return `false` on failure, otherwise, the return value of
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//! Delegate::ExtensionStreamDataSourceRead(), which should be `true` on
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//! success and `false` on failure.
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virtual bool ReadStreamData(Delegate* delegate) = 0;
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private:
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MinidumpStreamType stream_type_;
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DISALLOW_COPY_AND_ASSIGN(MinidumpUserExtensionStreamDataSource);
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};
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} // namespace crashpad
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#endif // CRASHPAD_MINIDUMP_MINIDUMP_USER_EXTENSION_STREAM_DATA_SOURCE_H_
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