// Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "perf_protobuf_io.h"
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#include <vector>
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#include "base/logging.h"
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#include "file_utils.h"
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namespace quipper {
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bool SerializeFromFile(const string& filename, PerfDataProto* perf_data_proto) {
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return SerializeFromFileWithOptions(filename, PerfParserOptions(),
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perf_data_proto);
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}
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bool SerializeFromFileWithOptions(const string& filename,
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const PerfParserOptions& options,
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PerfDataProto* perf_data_proto) {
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PerfReader reader;
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if (!reader.ReadFile(filename)) return false;
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PerfParser parser(&reader, options);
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if (!parser.ParseRawEvents()) return false;
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if (!reader.Serialize(perf_data_proto)) return false;
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// Append parser stats to protobuf.
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PerfSerializer::SerializeParserStats(parser.stats(), perf_data_proto);
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return true;
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}
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bool DeserializeToFile(const PerfDataProto& perf_data_proto,
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const string& filename) {
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PerfReader reader;
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return reader.Deserialize(perf_data_proto) && reader.WriteFile(filename);
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}
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bool WriteProtobufToFile(const PerfDataProto& perf_data_proto,
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const string& filename) {
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string output;
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perf_data_proto.SerializeToString(&output);
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return BufferToFile(filename, output);
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}
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bool ReadProtobufFromFile(PerfDataProto* perf_data_proto,
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const string& filename) {
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std::vector<char> buffer;
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if (!FileToBuffer(filename, &buffer)) return false;
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bool ret = perf_data_proto->ParseFromArray(buffer.data(), buffer.size());
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LOG(INFO) << "#events" << perf_data_proto->events_size();
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return ret;
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}
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} // namespace quipper
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