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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/app/breakpad_field_trial_win.h"
#include "base/lazy_instance.h"
#include "base/strings/string16.h"
#include "base/strings/string_util.h"
#include "base/strings/stringprintf.h"
#include "breakpad/src/client/windows/common/ipc_protocol.h"
#include "chrome/app/breakpad_win.h"
#include "chrome/common/child_process_logging.h"
// Sets the breakpad experiment chunks for crash reporting. |chunks| is an
// array of C strings of size |chunk_size| containing the values to set, where
// each entry may contain multiple experiment tuples, with the total number of
// experiments indicated by |experiments_chunks|.
// Note that this is suffixed with "3" due to parameter changes that were made
// to the predecessor functions. If the signature changes again, use a new name.
extern "C" void __declspec(dllexport) __cdecl SetExperimentList3(
const wchar_t** chunks,
size_t chunks_size,
size_t experiments_count) {
// Make sure the offset was initialized before storing the data.
if (breakpad_win::g_experiment_chunks_offset == 0)
return;
// Store up to |kMaxReportedVariationChunks| chunks.
const size_t number_of_chunks_to_report =
std::min(chunks_size, kMaxReportedVariationChunks);
for (size_t i = 0; i < number_of_chunks_to_report; ++i) {
const size_t entry_index = breakpad_win::g_experiment_chunks_offset + i;
(*breakpad_win::g_custom_entries)[entry_index].set_value(chunks[i]);
}
// Make note of the total number of experiments, which may be greater than
// what was able to fit in |kMaxReportedVariationChunks|. This is useful when
// correlating stability with the number of experiments running
// simultaneously.
base::wcslcpy(
(*breakpad_win::g_custom_entries)[
breakpad_win::g_num_of_experiments_offset].value,
base::StringPrintf(
L"%d", static_cast<int>(experiments_count)).c_str(),
google_breakpad::CustomInfoEntry::kValueMaxLength);
}
namespace testing {
void SetExperimentChunks(const std::vector<string16>& chunks,
size_t experiments_count) {
std::vector<const wchar_t*> cstrings;
StringVectorToCStringVector(chunks, &cstrings);
::SetExperimentList3(&cstrings[0], cstrings.size(), experiments_count);
}
} // namespace testing
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