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// Copyright 2014 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 "components/invalidation/impl/push_client_channel.h"
#include <utility>
#include "base/stl_util.h"
#include "build/build_config.h"
#include "components/invalidation/impl/notifier_reason_util.h"
#include "google/cacheinvalidation/client_gateway.pb.h"
#include "google/cacheinvalidation/types.pb.h"
#include "jingle/notifier/listener/push_client.h"
namespace syncer {
namespace {
const char kBotJid[] = "tango@bot.talk.google.com";
const char kChannelName[] = "tango_raw";
} // namespace
PushClientChannel::PushClientChannel(
std::unique_ptr<notifier::PushClient> push_client)
: push_client_(std::move(push_client)),
scheduling_hash_(0),
sent_messages_count_(0) {
push_client_->AddObserver(this);
notifier::Subscription subscription;
subscription.channel = kChannelName;
subscription.from = "";
notifier::SubscriptionList subscriptions;
subscriptions.push_back(subscription);
push_client_->UpdateSubscriptions(subscriptions);
}
PushClientChannel::~PushClientChannel() {
push_client_->RemoveObserver(this);
}
void PushClientChannel::UpdateCredentials(
const std::string& email, const std::string& token) {
push_client_->UpdateCredentials(email, token);
}
int PushClientChannel::GetInvalidationClientType() {
#if defined(OS_IOS)
return ipc::invalidation::ClientType::CHROME_SYNC_IOS;
#else
return ipc::invalidation::ClientType::CHROME_SYNC;
#endif
}
void PushClientChannel::RequestDetailedStatus(
base::Callback<void(const base::DictionaryValue&)> callback) {
callback.Run(*CollectDebugData());
}
void PushClientChannel::SendMessage(const std::string& message) {
std::string encoded_message;
EncodeMessage(&encoded_message, message, service_context_, scheduling_hash_);
notifier::Recipient recipient;
recipient.to = kBotJid;
notifier::Notification notification;
notification.channel = kChannelName;
notification.recipients.push_back(recipient);
notification.data = encoded_message;
push_client_->SendNotification(notification);
sent_messages_count_++;
}
void PushClientChannel::OnNotificationsEnabled() {
NotifyNetworkStatusChange(true);
NotifyChannelStateChange(INVALIDATIONS_ENABLED);
}
void PushClientChannel::OnNotificationsDisabled(
notifier::NotificationsDisabledReason reason) {
NotifyNetworkStatusChange(false);
NotifyChannelStateChange(FromNotifierReason(reason));
}
void PushClientChannel::OnIncomingNotification(
const notifier::Notification& notification) {
std::string message;
std::string service_context;
int64_t scheduling_hash;
if (!DecodeMessage(
notification.data, &message, &service_context, &scheduling_hash)) {
DLOG(ERROR) << "Could not parse ClientGatewayMessage";
return;
}
if (DeliverIncomingMessage(message)) {
service_context_ = service_context;
scheduling_hash_ = scheduling_hash;
}
}
const std::string& PushClientChannel::GetServiceContextForTest() const {
return service_context_;
}
int64_t PushClientChannel::GetSchedulingHashForTest() const {
return scheduling_hash_;
}
std::string PushClientChannel::EncodeMessageForTest(
const std::string& message,
const std::string& service_context,
int64_t scheduling_hash) {
std::string encoded_message;
EncodeMessage(&encoded_message, message, service_context, scheduling_hash);
return encoded_message;
}
bool PushClientChannel::DecodeMessageForTest(const std::string& data,
std::string* message,
std::string* service_context,
int64_t* scheduling_hash) {
return DecodeMessage(data, message, service_context, scheduling_hash);
}
void PushClientChannel::EncodeMessage(std::string* encoded_message,
const std::string& message,
const std::string& service_context,
int64_t scheduling_hash) {
ipc::invalidation::ClientGatewayMessage envelope;
envelope.set_is_client_to_server(true);
if (!service_context.empty()) {
envelope.set_service_context(service_context);
envelope.set_rpc_scheduling_hash(scheduling_hash);
}
envelope.set_network_message(message);
envelope.SerializeToString(encoded_message);
}
bool PushClientChannel::DecodeMessage(const std::string& data,
std::string* message,
std::string* service_context,
int64_t* scheduling_hash) {
ipc::invalidation::ClientGatewayMessage envelope;
if (!envelope.ParseFromString(data)) {
return false;
}
*message = envelope.network_message();
if (envelope.has_service_context()) {
*service_context = envelope.service_context();
}
if (envelope.has_rpc_scheduling_hash()) {
*scheduling_hash = envelope.rpc_scheduling_hash();
}
return true;
}
std::unique_ptr<base::DictionaryValue> PushClientChannel::CollectDebugData()
const {
std::unique_ptr<base::DictionaryValue> status(new base::DictionaryValue);
status->SetString("PushClientChannel.NetworkChannel", "Push Client");
status->SetInteger("PushClientChannel.SentMessages", sent_messages_count_);
status->SetInteger("PushClientChannel.ReceivedMessages",
SyncNetworkChannel::GetReceivedMessagesCount());
return status;
}
} // namespace syncer
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