text: // Copyright (c) 2011 The Chromium Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  #include "net/socket/client_socket_pool_histograms.h"
  
  #include <string>
  
  #include "base/metrics/field_trial.h"
  #include "base/metrics/histogram.h"
  #include "net/socket/client_socket_handle.h"
  
  namespace net {
  
  using base::Histogram;
  using base::LinearHistogram;
  
  ClientSocketPoolHistograms::ClientSocketPoolHistograms(
      const std::string& pool_name)
      : is_http_proxy_connection_(false),
        is_socks_connection_(false) {
    // UMA_HISTOGRAM_ENUMERATION
    socket_type_ = LinearHistogram::FactoryGet("Net.SocketType_" + pool_name, 1,
        ClientSocketHandle::NUM_TYPES, ClientSocketHandle::NUM_TYPES + 1,
        Histogram::kUmaTargetedHistogramFlag);
    // UMA_HISTOGRAM_CUSTOM_TIMES
    request_time_ = Histogram::FactoryTimeGet(
        "Net.SocketRequestTime_" + pool_name,
        base::TimeDelta::FromMilliseconds(1),
        base::TimeDelta::FromMinutes(10),
        100, Histogram::kUmaTargetedHistogramFlag);
    // UMA_HISTOGRAM_CUSTOM_TIMES
    unused_idle_time_ = Histogram::FactoryTimeGet(
        "Net.SocketIdleTimeBeforeNextUse_UnusedSocket_" + pool_name,
        base::TimeDelta::FromMilliseconds(1),
        base::TimeDelta::FromMinutes(6),
        100, Histogram::kUmaTargetedHistogramFlag);
    // UMA_HISTOGRAM_CUSTOM_TIMES
    reused_idle_time_ = Histogram::FactoryTimeGet(
        "Net.SocketIdleTimeBeforeNextUse_ReusedSocket_" + pool_name,
        base::TimeDelta::FromMilliseconds(1),
        base::TimeDelta::FromMinutes(6),
        100, Histogram::kUmaTargetedHistogramFlag);
  
    if (pool_name == "HTTPProxy")
      is_http_proxy_connection_ = true;
    else if (pool_name == "SOCK")
      is_socks_connection_ = true;
  }
  
  ClientSocketPoolHistograms::~ClientSocketPoolHistograms() {
  }
  
  void ClientSocketPoolHistograms::AddSocketType(int type) const {
    socket_type_->Add(type);
  }
  
  void ClientSocketPoolHistograms::AddRequestTime(base::TimeDelta time) const {
    request_time_->AddTime(time);
  }
  
  void ClientSocketPoolHistograms::AddUnusedIdleTime(base::TimeDelta time) const {
    unused_idle_time_->AddTime(time);
  }
  
  void ClientSocketPoolHistograms::AddReusedIdleTime(base::TimeDelta time) const {
    reused_idle_time_->AddTime(time);
  }
  
  }  // namespace net
  