72 lines
2.0 KiB
C++
72 lines
2.0 KiB
C++
// Copyright 2015 Google LLC. All rights reserved.
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//
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file or at
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// https://developers.google.com/open-source/licenses/bsd
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//
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// Defines verbose logging flags.
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#include <packager/app/vlog_flags.h>
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#include <absl/log/globals.h>
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#include <absl/log/log.h>
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#include <absl/strings/numbers.h>
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#include <packager/kv_pairs/kv_pairs.h>
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ABSL_FLAG(int,
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v,
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0,
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"Show all VLOG(m) or DVLOG(m) messages for m <= this. "
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"Overridable by --vmodule.");
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ABSL_FLAG(
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std::string,
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vmodule,
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"",
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"Per-module verbose level. THIS FLAG IS DEPRECATED. "
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"Argument is a comma-separated list of <module name>=<log level>. "
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"The logging system no longer supports different levels for different "
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"modules, so the verbosity level will be set to the maximum specified for "
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"any module or given by --v.");
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ABSL_DECLARE_FLAG(int, minloglevel);
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namespace shaka {
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void handle_vlog_flags() {
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// Reference the log level flag to keep the absl::log flags from getting
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// stripped from the executable.
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int log_level = absl::GetFlag(FLAGS_minloglevel);
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(void)log_level;
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int vlog_level = absl::GetFlag(FLAGS_v);
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std::string vmodule_patterns = absl::GetFlag(FLAGS_vmodule);
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if (!vmodule_patterns.empty()) {
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std::vector<KVPair> patterns =
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SplitStringIntoKeyValuePairs(vmodule_patterns, '=', ',');
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int pattern_vlevel;
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bool warning_shown = false;
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for (const auto& pattern : patterns) {
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if (!warning_shown) {
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LOG(WARNING) << "--vmodule ignored, combined with --v!";
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warning_shown = true;
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}
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if (!::absl::SimpleAtoi(pattern.second, &pattern_vlevel)) {
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LOG(ERROR) << "Error parsing log level for '" << pattern.first
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<< "' from '" << pattern.second << "'";
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continue;
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}
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}
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}
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if (vlog_level != 0) {
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absl::SetMinLogLevel(static_cast<absl::LogSeverityAtLeast>(-vlog_level));
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}
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}
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} // namespace shaka
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