vlog.cc revision 3345a6884c488ff3a535c2c9acdd33d74b37e311
13345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick// Copyright (c) 2010 The Chromium Authors. All rights reserved. 23345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick// Use of this source code is governed by a BSD-style license that can be 33345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick// found in the LICENSE file. 43345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick 53345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick#include "base/vlog.h" 63345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick 73345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick#include "base/basictypes.h" 83345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick#include "base/string_number_conversions.h" 93345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick#include "base/string_split.h" 103345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick#include "base/string_util.h" 113345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick 123345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merricknamespace logging { 133345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick 143345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrickconst int VlogInfo::kDefaultVlogLevel = 0; 153345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick 163345a6884c488ff3a535c2c9acdd33d74b37e311Iain MerrickVlogInfo::VlogInfo(const std::string& v_switch, 173345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick const std::string& vmodule_switch) 183345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick : max_vlog_level_(kDefaultVlogLevel) { 193345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick typedef std::pair<std::string, std::string> KVPair; 203345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick if (!base::StringToInt(v_switch, &max_vlog_level_)) { 213345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick LOG(WARNING) << "Parsed v switch \"" 223345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick << v_switch << "\" as " << max_vlog_level_; 233345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick } 243345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick std::vector<KVPair> kv_pairs; 253345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick if (!base::SplitStringIntoKeyValuePairs( 263345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick vmodule_switch, '=', ',', &kv_pairs)) { 273345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick LOG(WARNING) << "Could not fully parse vmodule switch \"" 283345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick << vmodule_switch << "\""; 293345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick } 303345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick for (std::vector<KVPair>::const_iterator it = kv_pairs.begin(); 313345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick it != kv_pairs.end(); ++it) { 323345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick int vlog_level = kDefaultVlogLevel; 333345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick if (!base::StringToInt(it->second, &vlog_level)) { 343345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick LOG(WARNING) << "Parsed vlog level for \"" 353345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick << it->first << "=" << it->second 363345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick << "\" as " << vlog_level; 373345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick } 383345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick vmodule_levels_.push_back(std::make_pair(it->first, vlog_level)); 393345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick } 403345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick} 413345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick 423345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrickint VlogInfo::GetVlogLevel(const base::StringPiece& file) { 433345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick if (!vmodule_levels_.empty()) { 443345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick base::StringPiece module(file); 453345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick base::StringPiece::size_type last_slash_pos = 463345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick module.find_last_of("\\/"); 473345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick if (last_slash_pos != base::StringPiece::npos) { 483345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick module.remove_prefix(last_slash_pos + 1); 493345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick } 503345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick base::StringPiece::size_type extension_start = module.find('.'); 513345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick module = module.substr(0, extension_start); 523345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick static const char kInlSuffix[] = "-inl"; 533345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick static const int kInlSuffixLen = arraysize(kInlSuffix) - 1; 543345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick if (module.ends_with(kInlSuffix)) { 553345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick module.remove_suffix(kInlSuffixLen); 563345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick } 573345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick for (std::vector<VmodulePattern>::const_iterator it = 583345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick vmodule_levels_.begin(); it != vmodule_levels_.end(); ++it) { 593345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick // TODO(akalin): Use a less-heavyweight version of MatchPattern 603345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick // (we can pretty much assume we're dealing with ASCII). 613345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick if (MatchPattern(module, it->first)) { 623345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick return it->second; 633345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick } 643345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick } 653345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick } 663345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick return max_vlog_level_; 673345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick} 683345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick 693345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick} // namespace 70