logging.cc revision c0beca55d290fe0b1c96d78cbbcf94b05c23f5a5 
1//
2// Copyright (C) 2014 The Android Open Source Project
3//
4// Licensed under the Apache License, Version 2.0 (the "License");
5// you may not use this file except in compliance with the License.
6// You may obtain a copy of the License at
7//
8//      http://www.apache.org/licenses/LICENSE-2.0
9//
10// Unless required by applicable law or agreed to in writing, software
11// distributed under the License is distributed on an "AS IS" BASIS,
12// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13// See the License for the specific language governing permissions and
14// limitations under the License.
15//
16
17#include "shill/logging.h"
18
19#include <string>
20
21#include <base/command_line.h>
22#include <base/strings/string_number_conversions.h>
23
24using base::CommandLine;
25using std::string;
26
27namespace shill {
28
29namespace switches {
30
31const char kLogLevel[] = "log-level";
32const char kLogScopes[] = "log-scopes";
33
34}  // namespace switches
35
36void SetLogLevelFromCommandLine(CommandLine* cl) {
37  if (cl->HasSwitch(switches::kLogLevel)) {
38    string log_level = cl->GetSwitchValueASCII(switches::kLogLevel);
39    int level = 0;
40    if (base::StringToInt(log_level, &level) &&
41        level < logging::LOG_NUM_SEVERITIES) {
42      logging::SetMinLogLevel(level);
43      // Like VLOG, SLOG uses negative verbose level.
44      shill::ScopeLogger::GetInstance()->set_verbose_level(-level);
45    } else {
46      LOG(WARNING) << "Bad log level: " << log_level;
47    }
48  }
49
50  if (cl->HasSwitch(switches::kLogScopes)) {
51    string log_scopes = cl->GetSwitchValueASCII(switches::kLogScopes);
52    shill::ScopeLogger::GetInstance()->EnableScopesByName(log_scopes);
53  }
54}
55
56}  // namespace shill
57
58
59