google_apis/gcm/engine/instance_id_get_token_request_handler.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 "google_apis/gcm/engine/instance_id_get_token_request_handler.h"
   6
   7 #include "base/metrics/histogram.h"
   8 #include "base/strings/string_number_conversions.h"
   9 #include "google_apis/gcm/base/gcm_util.h"
  10 #include "net/url_request/url_request_context_getter.h"
  11
  12 namespace gcm {
  13
  14 namespace {
  15
  16 // Request constants.
  17 const char kAuthorizedEntityKey[] = "sender";
  18 const char kSubtypeKey[] = "X-subtype";
  19 const char kGMSVersionKey[] = "gmsv";
  20 const char kInstanceIDKey[] = "appid";
  21 const char kScopeKey[] = "scope";
  22 const char kExtraScopeKey[] = "X-scope";
  23 // Prefix that needs to be added for each option key.
  24 const char kOptionKeyPrefix[] = "X-";
  25
  26 }  // namespace
  27
  28 InstanceIDGetTokenRequestHandler::InstanceIDGetTokenRequestHandler(
  29     const std::string& instance_id,
  30     const std::string& authorized_entity,
  31     const std::string& scope,
  32     int gcm_version,
  33     const std::map<std::string, std::string>& options)
  34     : instance_id_(instance_id),
  35       authorized_entity_(authorized_entity),
  36       scope_(scope),
  37       gcm_version_(gcm_version),
  38       options_(options) {
  39   DCHECK(!instance_id.empty());
  40   DCHECK(!authorized_entity.empty());
  41   DCHECK(!scope.empty());
  42 }
  43
  44 InstanceIDGetTokenRequestHandler::~InstanceIDGetTokenRequestHandler() {}
  45
  46 void InstanceIDGetTokenRequestHandler::BuildRequestBody(std::string* body){
  47   BuildFormEncoding(kScopeKey, scope_, body);
  48   BuildFormEncoding(kExtraScopeKey, scope_, body);
  49   for (auto iter = options_.begin(); iter != options_.end(); ++iter)
  50     BuildFormEncoding(kOptionKeyPrefix + iter->first, iter->second, body);
  51   BuildFormEncoding(kGMSVersionKey, base::IntToString(gcm_version_), body);
  52   BuildFormEncoding(kInstanceIDKey, instance_id_, body);
  53   BuildFormEncoding(kAuthorizedEntityKey, authorized_entity_, body);
  54   // TODO(jianli): To work around server bug. To be removed when the server fix
  55   // is deployed.
  56   BuildFormEncoding(kSubtypeKey, authorized_entity_, body);
  57 }
  58
  59 void InstanceIDGetTokenRequestHandler::ReportUMAs(
  60     RegistrationRequest::Status status,
  61     int retry_count,
  62     base::TimeDelta complete_time) {
  63   UMA_HISTOGRAM_ENUMERATION("InstanceID.GetToken.RequestStatus",
  64                             status,
  65                             RegistrationRequest::STATUS_COUNT);
  66
  67   // Other UMAs are only reported when the request succeeds.
  68   if (status != RegistrationRequest::SUCCESS)
  69     return;
  70
  71   UMA_HISTOGRAM_COUNTS("InstanceID.GetToken.RetryCount", retry_count);
  72   UMA_HISTOGRAM_TIMES("InstanceID.GetToken.CompleteTime", complete_time);
  73 }
  74
  75 }  // namespace gcm