net/tools/gdig/file_net_log.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include <stdio.h>
   6
   7 #include "base/json/json_string_value_serializer.h"
   8 #include "base/logging.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "base/values.h"
  11 #include "net/tools/gdig/file_net_log.h"
  12
  13 namespace net {
  14
  15 FileNetLog::FileNetLog(FILE* destination, LogLevel level)
  16     : log_level_(level),
  17       destination_(destination) {
  18   DCHECK(destination != NULL);
  19   // Without calling GetNext() once here, the first GetNext will return 0
  20   // that is not a valid id.
  21   sequence_number_.GetNext();
  22 }
  23
  24 FileNetLog::~FileNetLog() {
  25 }
  26
  27 void FileNetLog::OnAddEntry(const net::NetLog::Entry& entry) {
  28   // Only BoundNetLogs without a NetLog should have an invalid source.
  29   DCHECK(entry.source().IsValid());
  30
  31   const char* source = SourceTypeToString(entry.source().type);
  32   const char* type = EventTypeToString(entry.type());
  33
  34   scoped_ptr<Value> param_value(entry.ParametersToValue());
  35   std::string params;
  36   if (param_value.get() != NULL) {
  37     JSONStringValueSerializer serializer(&params);
  38     bool ret = serializer.Serialize(*param_value);
  39     DCHECK(ret);
  40   }
  41   base::Time now = base::Time::NowFromSystemTime();
  42   base::AutoLock lock(lock_);
  43   if (first_event_time_.is_null()) {
  44     first_event_time_ = now;
  45   }
  46   base::TimeDelta elapsed_time = now - first_event_time_;
  47   fprintf(destination_ , "%u\t%u\t%s\t%s\t%s\n",
  48           static_cast<unsigned>(elapsed_time.InMilliseconds()),
  49           entry.source().id, source, type, params.c_str());
  50 }
  51
  52 uint32 FileNetLog::NextID() {
  53   return sequence_number_.GetNext();
  54 }
  55
  56 NetLog::LogLevel FileNetLog::GetLogLevel() const {
  57   return log_level_;
  58 }
  59
  60 void FileNetLog::AddThreadSafeObserver(
  61     NetLog::ThreadSafeObserver* observer,
  62     NetLog::LogLevel log_level) {
  63   NOTIMPLEMENTED() << "Not currently used by gdig.";
  64 }
  65
  66 void FileNetLog::SetObserverLogLevel(ThreadSafeObserver* observer,
  67                                           LogLevel log_level) {
  68   NOTIMPLEMENTED() << "Not currently used by gdig.";
  69 }
  70
  71 void FileNetLog::RemoveThreadSafeObserver(
  72     NetLog::ThreadSafeObserver* observer) {
  73   NOTIMPLEMENTED() << "Not currently used by gdig.";
  74 }
  75
  76 }  // namespace net