132 lines
4.3 KiB
C++
132 lines
4.3 KiB
C++
// Copyright 2015 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 "client/prune_crash_reports.h"
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#include <sys/stat.h>
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#include <stdint.h>
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#include <algorithm>
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#include <vector>
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#include "base/logging.h"
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#include "base/notreached.h"
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#include "build/build_config.h"
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namespace crashpad {
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size_t PruneCrashReportDatabase(CrashReportDatabase* database,
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PruneCondition* condition) {
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std::vector<CrashReportDatabase::Report> all_reports;
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CrashReportDatabase::OperationStatus status;
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status = database->GetPendingReports(&all_reports);
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if (status != CrashReportDatabase::kNoError) {
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LOG(ERROR) << "PruneCrashReportDatabase: Failed to get pending reports";
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return 0;
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}
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std::vector<CrashReportDatabase::Report> completed_reports;
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status = database->GetCompletedReports(&completed_reports);
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if (status != CrashReportDatabase::kNoError) {
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LOG(ERROR) << "PruneCrashReportDatabase: Failed to get completed reports";
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return 0;
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}
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all_reports.insert(all_reports.end(), completed_reports.begin(),
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completed_reports.end());
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std::sort(all_reports.begin(), all_reports.end(),
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[](const CrashReportDatabase::Report& lhs,
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const CrashReportDatabase::Report& rhs) {
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return lhs.creation_time > rhs.creation_time;
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});
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size_t num_pruned = 0;
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for (const auto& report : all_reports) {
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if (condition->ShouldPruneReport(report)) {
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status = database->DeleteReport(report.uuid);
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if (status != CrashReportDatabase::kNoError) {
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LOG(ERROR) << "Database Pruning: Failed to remove report "
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<< report.uuid.ToString();
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} else {
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num_pruned++;
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}
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}
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}
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return num_pruned;
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// TODO(rsesek): For databases that do not use a directory structure, it is
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// possible for the metadata sidecar to become corrupted and thus leave
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// orphaned crash report files on-disk. https://crashpad.chromium.org/bug/66
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}
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// static
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std::unique_ptr<PruneCondition> PruneCondition::GetDefault() {
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// DatabaseSizePruneCondition must be the LHS so that it is always evaluated,
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// due to the short-circuting behavior of BinaryPruneCondition.
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return std::make_unique<BinaryPruneCondition>(
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BinaryPruneCondition::OR,
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new DatabaseSizePruneCondition(1024 * 128),
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new AgePruneCondition(365));
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}
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static const time_t kSecondsInDay = 60 * 60 * 24;
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AgePruneCondition::AgePruneCondition(int max_age_in_days)
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: oldest_report_time_(
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((time(nullptr) - (max_age_in_days * kSecondsInDay))
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/ kSecondsInDay) * kSecondsInDay) {}
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AgePruneCondition::~AgePruneCondition() {}
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bool AgePruneCondition::ShouldPruneReport(
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const CrashReportDatabase::Report& report) {
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return report.creation_time < oldest_report_time_;
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}
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DatabaseSizePruneCondition::DatabaseSizePruneCondition(size_t max_size_in_kb)
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: max_size_in_kb_(max_size_in_kb), measured_size_in_kb_(0) {}
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DatabaseSizePruneCondition::~DatabaseSizePruneCondition() {}
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bool DatabaseSizePruneCondition::ShouldPruneReport(
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const CrashReportDatabase::Report& report) {
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// Round up fractional KB to the next 1-KB boundary.
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measured_size_in_kb_ +=
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static_cast<size_t>((report.total_size + 1023) / 1024);
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return measured_size_in_kb_ > max_size_in_kb_;
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}
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BinaryPruneCondition::BinaryPruneCondition(
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Operator op, PruneCondition* lhs, PruneCondition* rhs)
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: op_(op), lhs_(lhs), rhs_(rhs) {}
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BinaryPruneCondition::~BinaryPruneCondition() {}
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bool BinaryPruneCondition::ShouldPruneReport(
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const CrashReportDatabase::Report& report) {
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switch (op_) {
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case AND:
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return lhs_->ShouldPruneReport(report) && rhs_->ShouldPruneReport(report);
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case OR:
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return lhs_->ShouldPruneReport(report) || rhs_->ShouldPruneReport(report);
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default:
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NOTREACHED();
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return false;
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}
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}
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} // namespace crashpad
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