components/invalidation/push_client_channel.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 "components/invalidation/push_client_channel.h"
   6
   7 #include "base/stl_util.h"
   8 #include "components/invalidation/notifier_reason_util.h"
   9 #include "google/cacheinvalidation/client_gateway.pb.h"
  10 #include "google/cacheinvalidation/types.pb.h"
  11 #include "jingle/notifier/listener/push_client.h"
  12
  13 namespace syncer {
  14
  15 namespace {
  16
  17 const char kBotJid[] = "tango@bot.talk.google.com";
  18 const char kChannelName[] = "tango_raw";
  19
  20 }  // namespace
  21
  22 PushClientChannel::PushClientChannel(
  23     scoped_ptr<notifier::PushClient> push_client)
  24     : push_client_(push_client.Pass()),
  25       scheduling_hash_(0),
  26       sent_messages_count_(0) {
  27   push_client_->AddObserver(this);
  28   notifier::Subscription subscription;
  29   subscription.channel = kChannelName;
  30   subscription.from = "";
  31   notifier::SubscriptionList subscriptions;
  32   subscriptions.push_back(subscription);
  33   push_client_->UpdateSubscriptions(subscriptions);
  34 }
  35
  36 PushClientChannel::~PushClientChannel() {
  37   push_client_->RemoveObserver(this);
  38 }
  39
  40 void PushClientChannel::UpdateCredentials(
  41     const std::string& email, const std::string& token) {
  42   push_client_->UpdateCredentials(email, token);
  43 }
  44
  45 int PushClientChannel::GetInvalidationClientType() {
  46 #if defined(OS_IOS)
  47   return ipc::invalidation::ClientType::CHROME_SYNC_IOS;
  48 #else
  49   return ipc::invalidation::ClientType::CHROME_SYNC;
  50 #endif
  51 }
  52
  53 void PushClientChannel::RequestDetailedStatus(
  54     base::Callback<void(const base::DictionaryValue&)> callback) {
  55   callback.Run(*CollectDebugData());
  56 }
  57
  58 void PushClientChannel::SendMessage(const std::string& message) {
  59   std::string encoded_message;
  60   EncodeMessage(&encoded_message, message, service_context_, scheduling_hash_);
  61
  62   notifier::Recipient recipient;
  63   recipient.to = kBotJid;
  64   notifier::Notification notification;
  65   notification.channel = kChannelName;
  66   notification.recipients.push_back(recipient);
  67   notification.data = encoded_message;
  68   push_client_->SendNotification(notification);
  69   sent_messages_count_++;
  70 }
  71
  72 void PushClientChannel::OnNotificationsEnabled() {
  73   NotifyNetworkStatusChange(true);
  74   NotifyChannelStateChange(INVALIDATIONS_ENABLED);
  75 }
  76
  77 void PushClientChannel::OnNotificationsDisabled(
  78     notifier::NotificationsDisabledReason reason) {
  79   NotifyNetworkStatusChange(false);
  80   NotifyChannelStateChange(FromNotifierReason(reason));
  81 }
  82
  83 void PushClientChannel::OnIncomingNotification(
  84     const notifier::Notification& notification) {
  85   std::string message;
  86   std::string service_context;
  87   int64 scheduling_hash;
  88   if (!DecodeMessage(
  89            notification.data, &message, &service_context, &scheduling_hash)) {
  90     DLOG(ERROR) << "Could not parse ClientGatewayMessage";
  91     return;
  92   }
  93   if (DeliverIncomingMessage(message)) {
  94     service_context_ = service_context;
  95     scheduling_hash_ = scheduling_hash;
  96   }
  97 }
  98
  99 const std::string& PushClientChannel::GetServiceContextForTest() const {
 100   return service_context_;
 101 }
 102
 103 int64 PushClientChannel::GetSchedulingHashForTest() const {
 104   return scheduling_hash_;
 105 }
 106
 107 std::string PushClientChannel::EncodeMessageForTest(
 108     const std::string& message,
 109     const std::string& service_context,
 110     int64 scheduling_hash) {
 111   std::string encoded_message;
 112   EncodeMessage(&encoded_message, message, service_context, scheduling_hash);
 113   return encoded_message;
 114 }
 115
 116 bool PushClientChannel::DecodeMessageForTest(const std::string& data,
 117                                              std::string* message,
 118                                              std::string* service_context,
 119                                              int64* scheduling_hash) {
 120   return DecodeMessage(data, message, service_context, scheduling_hash);
 121 }
 122
 123 void PushClientChannel::EncodeMessage(std::string* encoded_message,
 124                                       const std::string& message,
 125                                       const std::string& service_context,
 126                                       int64 scheduling_hash) {
 127   ipc::invalidation::ClientGatewayMessage envelope;
 128   envelope.set_is_client_to_server(true);
 129   if (!service_context.empty()) {
 130     envelope.set_service_context(service_context);
 131     envelope.set_rpc_scheduling_hash(scheduling_hash);
 132   }
 133   envelope.set_network_message(message);
 134   envelope.SerializeToString(encoded_message);
 135 }
 136
 137 bool PushClientChannel::DecodeMessage(const std::string& data,
 138                                       std::string* message,
 139                                       std::string* service_context,
 140                                       int64* scheduling_hash) {
 141   ipc::invalidation::ClientGatewayMessage envelope;
 142   if (!envelope.ParseFromString(data)) {
 143     return false;
 144   }
 145   *message = envelope.network_message();
 146   if (envelope.has_service_context()) {
 147     *service_context = envelope.service_context();
 148   }
 149   if (envelope.has_rpc_scheduling_hash()) {
 150     *scheduling_hash = envelope.rpc_scheduling_hash();
 151   }
 152   return true;
 153 }
 154
 155 scoped_ptr<base::DictionaryValue> PushClientChannel::CollectDebugData() const {
 156   scoped_ptr<base::DictionaryValue> status(new base::DictionaryValue);
 157   status->SetString("PushClientChannel.NetworkChannel", "Push Client");
 158   status->SetInteger("PushClientChannel.SentMessages", sent_messages_count_);
 159   status->SetInteger("PushClientChannel.ReceivedMessages",
 160                      SyncNetworkChannel::GetReceivedMessagesCount());
 161   return status.Pass();
 162 }
 163
 164 }  // namespace syncer