mojo/services/test_service/test_request_tracker_impl.cc

   1 // Copyright 2014 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 "base/bind.h"
   6 #include "mojo/services/test_service/test_request_tracker_impl.h"
   7
   8 namespace mojo {
   9 namespace test {
  10
  11  TrackingContext::TrackingContext() : next_id(1) {}
  12  TrackingContext::~TrackingContext() {}
  13
  14  TestRequestTrackerImpl::TestRequestTrackerImpl(TrackingContext* context)
  15      : context_(context), weak_factory_(this) {
  16  }
  17
  18  TestRequestTrackerImpl::~TestRequestTrackerImpl() {
  19  }
  20
  21 void TestRequestTrackerImpl::RecordStats(
  22       uint64_t client_id,
  23       ServiceStatsPtr stats) {
  24   assert(context_->ids_to_names.find(client_id) !=
  25          context_->ids_to_names.end());
  26   context_->records[client_id].push_back(*stats);
  27 }
  28
  29 void TestRequestTrackerImpl::OnConnectionEstablished() {
  30   uint64_t id = context_->next_id++;
  31   client()->SetIdAndReturnName(id,
  32       base::Bind(&TestRequestTrackerImpl::UploaderNameCallback,
  33                  weak_factory_.GetWeakPtr(),
  34                  id));
  35 }
  36
  37 void TestRequestTrackerImpl::UploaderNameCallback(
  38     uint64_t id, const mojo::String& name) {
  39   DCHECK(context_->ids_to_names.find(id) == context_->ids_to_names.end());
  40   context_->ids_to_names[id] = name;
  41 }
  42
  43 TestTrackedRequestServiceImpl::TestTrackedRequestServiceImpl(
  44     TrackingContext* context)
  45     : context_(context) {
  46 }
  47
  48 TestTrackedRequestServiceImpl::~TestTrackedRequestServiceImpl() {
  49 }
  50
  51 void TestTrackedRequestServiceImpl::GetReport(
  52     const mojo::Callback<void(mojo::Array<ServiceReportPtr>)>& callback) {
  53   mojo::Array<ServiceReportPtr> reports;
  54   for (AllRecordsMap::const_iterator it1 = context_->records.begin();
  55        it1 != context_->records.end(); ++it1) {
  56     ServiceReportPtr report(ServiceReport::New());
  57     report->service_name = context_->ids_to_names[it1->first];
  58     double mean_health_numerator = 0;
  59     size_t num_samples = it1->second.size();
  60     if (num_samples == 0)
  61       continue;
  62
  63     for (std::vector<ServiceStats>::const_iterator it2 = it1->second.begin();
  64          it2 != it1->second.end(); ++it2) {
  65       report->total_requests += it2->num_new_requests;
  66       mean_health_numerator += it2->health;
  67     }
  68     report->mean_health = mean_health_numerator / num_samples;
  69     reports.push_back(report.Pass());
  70   }
  71   callback.Run(reports.Pass());
  72 }
  73
  74 }  // namespace test
  75 }  // namespace mojo