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gcm_client_impl.cc
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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/gcm_driver/gcm_client_impl.h"
#include <stddef.h>
#include <memory>
#include <utility>
#include "base/bind.h"
#include "base/files/file_path.h"
#include "base/location.h"
#include "base/logging.h"
#include "base/memory/ptr_util.h"
#include "base/metrics/histogram_macros.h"
#include "base/sequenced_task_runner.h"
#include "base/single_thread_task_runner.h"
#include "base/stl_util.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/stringprintf.h"
#include "base/threading/thread_task_runner_handle.h"
#include "base/time/default_clock.h"
#include "base/timer/timer.h"
#include "components/gcm_driver/gcm_account_mapper.h"
#include "components/gcm_driver/gcm_backoff_policy.h"
#include "google_apis/gcm/base/encryptor.h"
#include "google_apis/gcm/base/mcs_message.h"
#include "google_apis/gcm/base/mcs_util.h"
#include "google_apis/gcm/engine/checkin_request.h"
#include "google_apis/gcm/engine/connection_factory_impl.h"
#include "google_apis/gcm/engine/gcm_registration_request_handler.h"
#include "google_apis/gcm/engine/gcm_store_impl.h"
#include "google_apis/gcm/engine/gcm_unregistration_request_handler.h"
#include "google_apis/gcm/engine/instance_id_delete_token_request_handler.h"
#include "google_apis/gcm/engine/instance_id_get_token_request_handler.h"
#include "google_apis/gcm/monitoring/gcm_stats_recorder.h"
#include "google_apis/gcm/protocol/checkin.pb.h"
#include "google_apis/gcm/protocol/mcs.pb.h"
#include "net/http/http_network_session.h"
#include "net/http/http_transaction_factory.h"
#include "net/url_request/url_request_context.h"
#include "url/gurl.h"
namespace gcm {
namespace {
// Indicates a message type of the received message.
enum MessageType {
UNKNOWN, // Undetermined type.
DATA_MESSAGE, // Regular data message.
DELETED_MESSAGES, // Messages were deleted on the server.
SEND_ERROR, // Error sending a message.
};
enum OutgoingMessageTTLCategory {
TTL_ZERO,
TTL_LESS_THAN_OR_EQUAL_TO_ONE_MINUTE,
TTL_LESS_THAN_OR_EQUAL_TO_ONE_HOUR,
TTL_LESS_THAN_OR_EQUAL_TO_ONE_DAY,
TTL_LESS_THAN_OR_EQUAL_TO_ONE_WEEK,
TTL_MORE_THAN_ONE_WEEK,
TTL_MAXIMUM,
// NOTE: always keep this entry at the end. Add new TTL category only
// immediately above this line. Make sure to update the corresponding
// histogram enum accordingly.
TTL_CATEGORY_COUNT
};
enum ResetStoreError {
DESTROYING_STORE_FAILED,
INFINITE_STORE_RESET,
// NOTE: always keep this entry at the end. Add new value only immediately
// above this line. Make sure to update the corresponding histogram enum
// accordingly.
RESET_STORE_ERROR_COUNT
};
const char kGCMScope[] = "GCM";
const int kMaxRegistrationRetries = 5;
const int kMaxUnregistrationRetries = 5;
const char kMessageTypeDataMessage[] = "gcm";
const char kMessageTypeDeletedMessagesKey[] = "deleted_messages";
const char kMessageTypeKey[] = "message_type";
const char kMessageTypeSendErrorKey[] = "send_error";
const char kSendErrorMessageIdKey[] = "google.message_id";
const char kSendMessageFromValue[] = "gcm@chrome.com";
const int64_t kDefaultUserSerialNumber = 0LL;
const int kDestroyGCMStoreDelayMS = 5 * 60 * 1000; // 5 minutes.
GCMClient::Result ToGCMClientResult(MCSClient::MessageSendStatus status) {
switch (status) {
case MCSClient::QUEUED:
return GCMClient::SUCCESS;
case MCSClient::QUEUE_SIZE_LIMIT_REACHED:
return GCMClient::NETWORK_ERROR;
case MCSClient::APP_QUEUE_SIZE_LIMIT_REACHED:
return GCMClient::NETWORK_ERROR;
case MCSClient::MESSAGE_TOO_LARGE:
return GCMClient::INVALID_PARAMETER;
case MCSClient::NO_CONNECTION_ON_ZERO_TTL:
return GCMClient::NETWORK_ERROR;
case MCSClient::TTL_EXCEEDED:
return GCMClient::NETWORK_ERROR;
case MCSClient::SENT:
default:
NOTREACHED();
break;
}
return GCMClientImpl::UNKNOWN_ERROR;
}
void ToCheckinProtoVersion(
const GCMClient::ChromeBuildInfo& chrome_build_info,
checkin_proto::ChromeBuildProto* android_build_info) {
checkin_proto::ChromeBuildProto_Platform platform;
switch (chrome_build_info.platform) {
case GCMClient::PLATFORM_WIN:
platform = checkin_proto::ChromeBuildProto_Platform_PLATFORM_WIN;
break;
case GCMClient::PLATFORM_MAC:
platform = checkin_proto::ChromeBuildProto_Platform_PLATFORM_MAC;
break;
case GCMClient::PLATFORM_LINUX:
platform = checkin_proto::ChromeBuildProto_Platform_PLATFORM_LINUX;
break;
case GCMClient::PLATFORM_IOS:
platform = checkin_proto::ChromeBuildProto_Platform_PLATFORM_IOS;
break;
case GCMClient::PLATFORM_ANDROID:
platform = checkin_proto::ChromeBuildProto_Platform_PLATFORM_ANDROID;
break;
case GCMClient::PLATFORM_CROS:
platform = checkin_proto::ChromeBuildProto_Platform_PLATFORM_CROS;
break;
case GCMClient::PLATFORM_UNKNOWN:
// For unknown platform, return as LINUX.
platform = checkin_proto::ChromeBuildProto_Platform_PLATFORM_LINUX;
break;
default:
NOTREACHED();
platform = checkin_proto::ChromeBuildProto_Platform_PLATFORM_LINUX;
break;
}
android_build_info->set_platform(platform);
checkin_proto::ChromeBuildProto_Channel channel;
switch (chrome_build_info.channel) {
case GCMClient::CHANNEL_STABLE:
channel = checkin_proto::ChromeBuildProto_Channel_CHANNEL_STABLE;
break;
case GCMClient::CHANNEL_BETA:
channel = checkin_proto::ChromeBuildProto_Channel_CHANNEL_BETA;
break;
case GCMClient::CHANNEL_DEV:
channel = checkin_proto::ChromeBuildProto_Channel_CHANNEL_DEV;
break;
case GCMClient::CHANNEL_CANARY:
channel = checkin_proto::ChromeBuildProto_Channel_CHANNEL_CANARY;
break;
case GCMClient::CHANNEL_UNKNOWN:
channel = checkin_proto::ChromeBuildProto_Channel_CHANNEL_UNKNOWN;
break;
default:
NOTREACHED();
channel = checkin_proto::ChromeBuildProto_Channel_CHANNEL_UNKNOWN;
break;
}
android_build_info->set_channel(channel);
android_build_info->set_chrome_version(chrome_build_info.version);
}
MessageType DecodeMessageType(const std::string& value) {
if (kMessageTypeDeletedMessagesKey == value)
return DELETED_MESSAGES;
if (kMessageTypeSendErrorKey == value)
return SEND_ERROR;
if (kMessageTypeDataMessage == value)
return DATA_MESSAGE;
return UNKNOWN;
}
int ConstructGCMVersion(const std::string& chrome_version) {
// Major Chrome version is passed as GCM version.
size_t pos = chrome_version.find('.');
if (pos == std::string::npos) {
NOTREACHED();
return 0;
}
int gcm_version = 0;
base::StringToInt(
base::StringPiece(chrome_version.c_str(), pos), &gcm_version);
return gcm_version;
}
std::string SerializeInstanceIDData(const std::string& instance_id,
const std::string& extra_data) {
DCHECK(!instance_id.empty() && !extra_data.empty());
DCHECK(instance_id.find(',') == std::string::npos);
return instance_id + "," + extra_data;
}
bool DeserializeInstanceIDData(const std::string& serialized_data,
std::string* instance_id,
std::string* extra_data) {
DCHECK(instance_id && extra_data);
std::size_t pos = serialized_data.find(',');
if (pos == std::string::npos)
return false;
*instance_id = serialized_data.substr(0, pos);
*extra_data = serialized_data.substr(pos + 1);
return !instance_id->empty() && !extra_data->empty();
}
void RecordOutgoingMessageToUMA(const gcm::OutgoingMessage& message) {
OutgoingMessageTTLCategory ttl_category;
if (message.time_to_live == 0)
ttl_category = TTL_ZERO;
else if (message.time_to_live <= 60 )
ttl_category = TTL_LESS_THAN_OR_EQUAL_TO_ONE_MINUTE;
else if (message.time_to_live <= 60 * 60)
ttl_category = TTL_LESS_THAN_OR_EQUAL_TO_ONE_HOUR;
else if (message.time_to_live <= 24 * 60 * 60)
ttl_category = TTL_LESS_THAN_OR_EQUAL_TO_ONE_DAY;
else
ttl_category = TTL_MAXIMUM;
UMA_HISTOGRAM_ENUMERATION("GCM.OutgoingMessageTTL",
ttl_category,
TTL_CATEGORY_COUNT);
}
void RecordResetStoreErrorToUMA(ResetStoreError error) {
UMA_HISTOGRAM_ENUMERATION("GCM.ResetStore", error, RESET_STORE_ERROR_COUNT);
}
} // namespace
GCMInternalsBuilder::GCMInternalsBuilder() {}
GCMInternalsBuilder::~GCMInternalsBuilder() {}
std::unique_ptr<base::Clock> GCMInternalsBuilder::BuildClock() {
return base::WrapUnique<base::Clock>(new base::DefaultClock());
}
std::unique_ptr<MCSClient> GCMInternalsBuilder::BuildMCSClient(
const std::string& version,
base::Clock* clock,
ConnectionFactory* connection_factory,
GCMStore* gcm_store,
GCMStatsRecorder* recorder) {
return std::unique_ptr<MCSClient>(
new MCSClient(version, clock, connection_factory, gcm_store, recorder));
}
std::unique_ptr<ConnectionFactory> GCMInternalsBuilder::BuildConnectionFactory(
const std::vector<GURL>& endpoints,
const net::BackoffEntry::Policy& backoff_policy,
net::HttpNetworkSession* gcm_network_session,
net::HttpNetworkSession* http_network_session,
GCMStatsRecorder* recorder) {
return base::WrapUnique<ConnectionFactory>(
new ConnectionFactoryImpl(endpoints, backoff_policy, gcm_network_session,
http_network_session, nullptr, recorder));
}
GCMClientImpl::CheckinInfo::CheckinInfo()
: android_id(0), secret(0), accounts_set(false) {
}
GCMClientImpl::CheckinInfo::~CheckinInfo() {
}
void GCMClientImpl::CheckinInfo::SnapshotCheckinAccounts() {
last_checkin_accounts.clear();
for (std::map<std::string, std::string>::iterator iter =
account_tokens.begin();
iter != account_tokens.end();
++iter) {
last_checkin_accounts.insert(iter->first);
}
}
void GCMClientImpl::CheckinInfo::Reset() {
android_id = 0;
secret = 0;
accounts_set = false;
account_tokens.clear();
last_checkin_accounts.clear();
}
GCMClientImpl::GCMClientImpl(
std::unique_ptr<GCMInternalsBuilder> internals_builder)
: internals_builder_(std::move(internals_builder)),
state_(UNINITIALIZED),
delegate_(NULL),
start_mode_(DELAYED_START),
clock_(internals_builder_->BuildClock()),
gcm_store_reset_(false),
url_request_context_getter_(NULL),
periodic_checkin_ptr_factory_(this),
destroying_gcm_store_ptr_factory_(this),
weak_ptr_factory_(this) {}
GCMClientImpl::~GCMClientImpl() {
}
void GCMClientImpl::Initialize(
const ChromeBuildInfo& chrome_build_info,
const base::FilePath& path,
const scoped_refptr<base::SequencedTaskRunner>& blocking_task_runner,
const scoped_refptr<net::URLRequestContextGetter>&
url_request_context_getter,
std::unique_ptr<Encryptor> encryptor,
GCMClient::Delegate* delegate) {
DCHECK_EQ(UNINITIALIZED, state_);
DCHECK(url_request_context_getter.get());
DCHECK(delegate);
url_request_context_getter_ = url_request_context_getter;
const net::HttpNetworkSession::Params* network_session_params =
url_request_context_getter_->GetURLRequestContext()->
GetNetworkSessionParams();
DCHECK(network_session_params);
network_session_.reset(new net::HttpNetworkSession(*network_session_params));
chrome_build_info_ = chrome_build_info;
gcm_store_.reset(
new GCMStoreImpl(path, blocking_task_runner, std::move(encryptor)));
delegate_ = delegate;
recorder_.SetDelegate(this);
state_ = INITIALIZED;
}
void GCMClientImpl::Start(StartMode start_mode) {
DCHECK_NE(UNINITIALIZED, state_);
if (state_ == LOADED) {
// Start the GCM if not yet.
if (start_mode == IMMEDIATE_START) {
// Give up the scheduling to wipe out the store since now some one starts
// to use GCM.
destroying_gcm_store_ptr_factory_.InvalidateWeakPtrs();
StartGCM();
}
return;
}
// The delay start behavior will be abandoned when Start has been called
// once with IMMEDIATE_START behavior.
if (start_mode == IMMEDIATE_START)
start_mode_ = IMMEDIATE_START;
// Bail out if the loading is not started or completed.
if (state_ != INITIALIZED)
return;
// Once the loading is completed, the check-in will be initiated.
// If we're in lazy start mode, don't create a new store since none is really
// using GCM functionality yet.
gcm_store_->Load(
(start_mode == IMMEDIATE_START) ?
GCMStore::CREATE_IF_MISSING :
GCMStore::DO_NOT_CREATE,
base::Bind(&GCMClientImpl::OnLoadCompleted,
weak_ptr_factory_.GetWeakPtr()));
state_ = LOADING;
}
void GCMClientImpl::OnLoadCompleted(
std::unique_ptr<GCMStore::LoadResult> result) {
DCHECK_EQ(LOADING, state_);
if (!result->success) {
if (result->store_does_not_exist) {
if (start_mode_ == IMMEDIATE_START) {
// An immediate start was requested during the delayed start that just
// completed. Perform it now.
gcm_store_->Load(GCMStore::CREATE_IF_MISSING,
base::Bind(&GCMClientImpl::OnLoadCompleted,
weak_ptr_factory_.GetWeakPtr()));
} else {
// In the case that the store does not exist, set |state_| back to
// INITIALIZED such that store loading could be triggered again when
// Start() is called with IMMEDIATE_START.
state_ = INITIALIZED;
}
} else {
// Otherwise, destroy the store to try again.
ResetStore();
}
return;
}
gcm_store_reset_ = false;
device_checkin_info_.android_id = result->device_android_id;
device_checkin_info_.secret = result->device_security_token;
device_checkin_info_.last_checkin_accounts = result->last_checkin_accounts;
// A case where there were previously no accounts reported with checkin is
// considered to be the same as when the list of accounts is empty. It enables
// scheduling a periodic checkin for devices with no signed in users
// immediately after restart, while keeping |accounts_set == false| delays the
// checkin until the list of accounts is set explicitly.
if (result->last_checkin_accounts.size() == 0)
device_checkin_info_.accounts_set = true;
last_checkin_time_ = result->last_checkin_time;
gservices_settings_.UpdateFromLoadResult(*result);
for (auto iter = result->registrations.begin();
iter != result->registrations.end();
++iter) {
std::string registration_id;
std::unique_ptr<RegistrationInfo> registration =
RegistrationInfo::BuildFromString(iter->first, iter->second,
®istration_id);
// TODO(jianli): Add UMA to track the error case.
if (registration.get())
registrations_[make_linked_ptr(registration.release())] = registration_id;
}
for (auto iter = result->instance_id_data.begin();
iter != result->instance_id_data.end();
++iter) {
std::string instance_id;
std::string extra_data;
if (DeserializeInstanceIDData(iter->second, &instance_id, &extra_data))
instance_id_data_[iter->first] = std::make_pair(instance_id, extra_data);
}
load_result_ = std::move(result);
state_ = LOADED;
// Don't initiate the GCM connection when GCM is in delayed start mode and
// not any standalone app has registered GCM yet.
if (start_mode_ == DELAYED_START && !HasStandaloneRegisteredApp()) {
// If no standalone app is using GCM and the device ID is present, schedule
// to have the store wiped out.
if (device_checkin_info_.android_id) {
base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
FROM_HERE, base::Bind(&GCMClientImpl::DestroyStoreWhenNotNeeded,
destroying_gcm_store_ptr_factory_.GetWeakPtr()),
base::TimeDelta::FromMilliseconds(kDestroyGCMStoreDelayMS));
}
return;
}
StartGCM();
}
void GCMClientImpl::StartGCM() {
// Taking over the value of account_mappings before passing the ownership of
// load result to InitializeMCSClient.
std::vector<AccountMapping> account_mappings;
account_mappings.swap(load_result_->account_mappings);
base::Time last_token_fetch_time = load_result_->last_token_fetch_time;
InitializeMCSClient();
if (device_checkin_info_.IsValid()) {
SchedulePeriodicCheckin();
OnReady(account_mappings, last_token_fetch_time);
return;
}
state_ = INITIAL_DEVICE_CHECKIN;
device_checkin_info_.Reset();
StartCheckin();
}
void GCMClientImpl::InitializeMCSClient() {
std::vector<GURL> endpoints;
endpoints.push_back(gservices_settings_.GetMCSMainEndpoint());
GURL fallback_endpoint = gservices_settings_.GetMCSFallbackEndpoint();
if (fallback_endpoint.is_valid())
endpoints.push_back(fallback_endpoint);
connection_factory_ = internals_builder_->BuildConnectionFactory(
endpoints,
GetGCMBackoffPolicy(),
network_session_.get(),
url_request_context_getter_->GetURLRequestContext()
->http_transaction_factory()
->GetSession(),
&recorder_);
connection_factory_->SetConnectionListener(this);
mcs_client_ = internals_builder_->BuildMCSClient(
chrome_build_info_.version, clock_.get(), connection_factory_.get(),
gcm_store_.get(), &recorder_);
mcs_client_->Initialize(
base::Bind(&GCMClientImpl::OnMCSError, weak_ptr_factory_.GetWeakPtr()),
base::Bind(&GCMClientImpl::OnMessageReceivedFromMCS,
weak_ptr_factory_.GetWeakPtr()),
base::Bind(&GCMClientImpl::OnMessageSentToMCS,
weak_ptr_factory_.GetWeakPtr()),
std::move(load_result_));
}
void GCMClientImpl::OnFirstTimeDeviceCheckinCompleted(
const CheckinInfo& checkin_info) {
DCHECK(!device_checkin_info_.IsValid());
device_checkin_info_.android_id = checkin_info.android_id;
device_checkin_info_.secret = checkin_info.secret;
// If accounts were not set by now, we can consider them set (to empty list)
// to make sure periodic checkins get scheduled after initial checkin.
device_checkin_info_.accounts_set = true;
gcm_store_->SetDeviceCredentials(
checkin_info.android_id, checkin_info.secret,
base::Bind(&GCMClientImpl::SetDeviceCredentialsCallback,
weak_ptr_factory_.GetWeakPtr()));
OnReady(std::vector<AccountMapping>(), base::Time());
}
void GCMClientImpl::OnReady(const std::vector<AccountMapping>& account_mappings,
const base::Time& last_token_fetch_time) {
state_ = READY;
StartMCSLogin();
delegate_->OnGCMReady(account_mappings, last_token_fetch_time);
}
void GCMClientImpl::StartMCSLogin() {
DCHECK_EQ(READY, state_);
DCHECK(device_checkin_info_.IsValid());
mcs_client_->Login(device_checkin_info_.android_id,
device_checkin_info_.secret);
}
void GCMClientImpl::DestroyStoreWhenNotNeeded() {
if (state_ != LOADED || start_mode_ != DELAYED_START)
return;
gcm_store_->Destroy(base::Bind(&GCMClientImpl::DestroyStoreCallback,
weak_ptr_factory_.GetWeakPtr()));
}
void GCMClientImpl::ResetStore() {
DCHECK_EQ(LOADING, state_);
// If already being reset, don't do it again. We want to prevent from
// resetting and loading from the store again and again.
if (gcm_store_reset_) {
RecordResetStoreErrorToUMA(INFINITE_STORE_RESET);
state_ = UNINITIALIZED;
return;
}
gcm_store_reset_ = true;
// Destroy the GCM store to start over.
gcm_store_->Destroy(base::Bind(&GCMClientImpl::ResetStoreCallback,
weak_ptr_factory_.GetWeakPtr()));
}
void GCMClientImpl::SetAccountTokens(
const std::vector<AccountTokenInfo>& account_tokens) {
device_checkin_info_.account_tokens.clear();
for (std::vector<AccountTokenInfo>::const_iterator iter =
account_tokens.begin();
iter != account_tokens.end();
++iter) {
device_checkin_info_.account_tokens[iter->email] = iter->access_token;
}
bool accounts_set_before = device_checkin_info_.accounts_set;
device_checkin_info_.accounts_set = true;
DVLOG(1) << "Set account called with: " << account_tokens.size()
<< " accounts.";
if (state_ != READY && state_ != INITIAL_DEVICE_CHECKIN)
return;
bool account_removed = false;
for (std::set<std::string>::iterator iter =
device_checkin_info_.last_checkin_accounts.begin();
iter != device_checkin_info_.last_checkin_accounts.end();
++iter) {
if (device_checkin_info_.account_tokens.find(*iter) ==
device_checkin_info_.account_tokens.end()) {
account_removed = true;
}
}
// Checkin will be forced when any of the accounts was removed during the
// current Chrome session or if there has been an account removed between the
// restarts of Chrome. If there is a checkin in progress, it will be canceled.
// We only force checkin when user signs out. When there is a new account
// signed in, the periodic checkin will take care of adding the association in
// reasonable time.
if (account_removed) {
DVLOG(1) << "Detected that account has been removed. Forcing checkin.";
checkin_request_.reset();
StartCheckin();
} else if (!accounts_set_before) {
SchedulePeriodicCheckin();
DVLOG(1) << "Accounts set for the first time. Scheduled periodic checkin.";
}
}
void GCMClientImpl::UpdateAccountMapping(
const AccountMapping& account_mapping) {
gcm_store_->AddAccountMapping(account_mapping,
base::Bind(&GCMClientImpl::DefaultStoreCallback,
weak_ptr_factory_.GetWeakPtr()));
}
void GCMClientImpl::RemoveAccountMapping(const std::string& account_id) {
gcm_store_->RemoveAccountMapping(
account_id,
base::Bind(&GCMClientImpl::DefaultStoreCallback,
weak_ptr_factory_.GetWeakPtr()));
}
void GCMClientImpl::SetLastTokenFetchTime(const base::Time& time) {
gcm_store_->SetLastTokenFetchTime(
time,
base::Bind(&GCMClientImpl::IgnoreWriteResultCallback,
weak_ptr_factory_.GetWeakPtr()));
}
void GCMClientImpl::UpdateHeartbeatTimer(std::unique_ptr<base::Timer> timer) {
DCHECK(mcs_client_);
mcs_client_->UpdateHeartbeatTimer(std::move(timer));
}
void GCMClientImpl::AddInstanceIDData(const std::string& app_id,
const std::string& instance_id,
const std::string& extra_data) {
instance_id_data_[app_id] = std::make_pair(instance_id, extra_data);
gcm_store_->AddInstanceIDData(
app_id,
SerializeInstanceIDData(instance_id, extra_data),
base::Bind(&GCMClientImpl::IgnoreWriteResultCallback,
weak_ptr_factory_.GetWeakPtr()));
}
void GCMClientImpl::RemoveInstanceIDData(const std::string& app_id) {
instance_id_data_.erase(app_id);
gcm_store_->RemoveInstanceIDData(
app_id,
base::Bind(&GCMClientImpl::IgnoreWriteResultCallback,
weak_ptr_factory_.GetWeakPtr()));
}
void GCMClientImpl::GetInstanceIDData(const std::string& app_id,
std::string* instance_id,
std::string* extra_data) {
DCHECK(instance_id && extra_data);
auto iter = instance_id_data_.find(app_id);
if (iter == instance_id_data_.end())
return;
*instance_id = iter->second.first;
*extra_data = iter->second.second;
}
void GCMClientImpl::AddHeartbeatInterval(const std::string& scope,
int interval_ms) {
DCHECK(mcs_client_);
mcs_client_->AddHeartbeatInterval(scope, interval_ms);
}
void GCMClientImpl::RemoveHeartbeatInterval(const std::string& scope) {
DCHECK(mcs_client_);
mcs_client_->RemoveHeartbeatInterval(scope);
}
void GCMClientImpl::StartCheckin() {
// Make sure no checkin is in progress.
if (checkin_request_.get())
return;
checkin_proto::ChromeBuildProto chrome_build_proto;
ToCheckinProtoVersion(chrome_build_info_, &chrome_build_proto);
CheckinRequest::RequestInfo request_info(device_checkin_info_.android_id,
device_checkin_info_.secret,
device_checkin_info_.account_tokens,
gservices_settings_.digest(),
chrome_build_proto);
checkin_request_.reset(
new CheckinRequest(gservices_settings_.GetCheckinURL(),
request_info,
GetGCMBackoffPolicy(),
base::Bind(&GCMClientImpl::OnCheckinCompleted,
weak_ptr_factory_.GetWeakPtr()),
url_request_context_getter_.get(),
&recorder_));
// Taking a snapshot of the accounts count here, as there might be an asynch
// update of the account tokens while checkin is in progress.
device_checkin_info_.SnapshotCheckinAccounts();
checkin_request_->Start();
}
void GCMClientImpl::OnCheckinCompleted(
const checkin_proto::AndroidCheckinResponse& checkin_response) {
checkin_request_.reset();
if (!checkin_response.has_android_id() ||
!checkin_response.has_security_token()) {
// TODO(fgorski): I don't think a retry here will help, we should probably
// start over. By checking in with (0, 0).
return;
}
CheckinInfo checkin_info;
checkin_info.android_id = checkin_response.android_id();
checkin_info.secret = checkin_response.security_token();
if (state_ == INITIAL_DEVICE_CHECKIN) {
OnFirstTimeDeviceCheckinCompleted(checkin_info);
} else {
// checkin_info is not expected to change after a periodic checkin as it
// would invalidate the registratoin IDs.
DCHECK_EQ(READY, state_);
DCHECK_EQ(device_checkin_info_.android_id, checkin_info.android_id);
DCHECK_EQ(device_checkin_info_.secret, checkin_info.secret);
}
if (device_checkin_info_.IsValid()) {
// First update G-services settings, as something might have changed.
if (gservices_settings_.UpdateFromCheckinResponse(checkin_response)) {
gcm_store_->SetGServicesSettings(
gservices_settings_.settings_map(),
gservices_settings_.digest(),
base::Bind(&GCMClientImpl::SetGServicesSettingsCallback,
weak_ptr_factory_.GetWeakPtr()));
}
last_checkin_time_ = clock_->Now();
gcm_store_->SetLastCheckinInfo(
last_checkin_time_,
device_checkin_info_.last_checkin_accounts,
base::Bind(&GCMClientImpl::SetLastCheckinInfoCallback,
weak_ptr_factory_.GetWeakPtr()));
SchedulePeriodicCheckin();
}
}
void GCMClientImpl::SetGServicesSettingsCallback(bool success) {
DCHECK(success);
}
void GCMClientImpl::SchedulePeriodicCheckin() {
// Make sure no checkin is in progress.
if (checkin_request_.get() || !device_checkin_info_.accounts_set)
return;
// There should be only one periodic checkin pending at a time. Removing
// pending periodic checkin to schedule a new one.
periodic_checkin_ptr_factory_.InvalidateWeakPtrs();
base::TimeDelta time_to_next_checkin = GetTimeToNextCheckin();
if (time_to_next_checkin < base::TimeDelta())
time_to_next_checkin = base::TimeDelta();
base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
FROM_HERE, base::Bind(&GCMClientImpl::StartCheckin,
periodic_checkin_ptr_factory_.GetWeakPtr()),
time_to_next_checkin);
}
base::TimeDelta GCMClientImpl::GetTimeToNextCheckin() const {
return last_checkin_time_ + gservices_settings_.GetCheckinInterval() -
clock_->Now();
}
void GCMClientImpl::SetLastCheckinInfoCallback(bool success) {
// TODO(fgorski): This is one of the signals that store needs a rebuild.
DCHECK(success);
}
void GCMClientImpl::SetDeviceCredentialsCallback(bool success) {
// TODO(fgorski): This is one of the signals that store needs a rebuild.
DCHECK(success);
}
void GCMClientImpl::UpdateRegistrationCallback(bool success) {
// TODO(fgorski): This is one of the signals that store needs a rebuild.
DCHECK(success);
}
void GCMClientImpl::DefaultStoreCallback(bool success) {
DCHECK(success);
}
void GCMClientImpl::IgnoreWriteResultCallback(bool success) {
// TODO(fgorski): Ignoring the write result for now to make sure
// sync_intergration_tests are not broken.
}
void GCMClientImpl::DestroyStoreCallback(bool success) {
ResetCache();
if (!success) {
LOG(ERROR) << "Failed to destroy GCM store";
RecordResetStoreErrorToUMA(DESTROYING_STORE_FAILED);
state_ = UNINITIALIZED;
return;
}
state_ = INITIALIZED;
}
void GCMClientImpl::ResetStoreCallback(bool success) {
if (!success) {
LOG(ERROR) << "Failed to reset GCM store";
RecordResetStoreErrorToUMA(DESTROYING_STORE_FAILED);
state_ = UNINITIALIZED;
return;
}
state_ = INITIALIZED;
Start(start_mode_);
}
void GCMClientImpl::Stop() {
// TODO(fgorski): Perhaps we should make a distinction between a Stop and a
// Shutdown.
DVLOG(1) << "Stopping the GCM Client";
ResetCache();
state_ = INITIALIZED;
gcm_store_->Close();
}
void GCMClientImpl::ResetCache() {
weak_ptr_factory_.InvalidateWeakPtrs();
periodic_checkin_ptr_factory_.InvalidateWeakPtrs();
device_checkin_info_.Reset();
connection_factory_.reset();
delegate_->OnDisconnected();
mcs_client_.reset();
checkin_request_.reset();
// Delete all of the pending registration and unregistration requests.
pending_registration_requests_.clear();
pending_unregistration_requests_.clear();
}
void GCMClientImpl::Register(
const linked_ptr<RegistrationInfo>& registration_info) {
DCHECK_EQ(state_, READY);
// Find and use the cached registration ID.
RegistrationInfoMap::const_iterator registrations_iter =
registrations_.find(registration_info);
if (registrations_iter != registrations_.end()) {
bool matched = true;
// For GCM registration, we also match the sender IDs since multiple
// registrations are not supported.
const GCMRegistrationInfo* gcm_registration_info =
GCMRegistrationInfo::FromRegistrationInfo(registration_info.get());
if (gcm_registration_info) {
const GCMRegistrationInfo* cached_gcm_registration_info =
GCMRegistrationInfo::FromRegistrationInfo(
registrations_iter->first.get());
DCHECK(cached_gcm_registration_info);
if (cached_gcm_registration_info &&
gcm_registration_info->sender_ids !=
cached_gcm_registration_info->sender_ids) {
matched = false;
}
}
if (matched) {
delegate_->OnRegisterFinished(
registration_info, registrations_iter->second, SUCCESS);
return;
}
}
std::unique_ptr<RegistrationRequest::CustomRequestHandler> request_handler;
std::string source_to_record;
const GCMRegistrationInfo* gcm_registration_info =
GCMRegistrationInfo::FromRegistrationInfo(registration_info.get());
if (gcm_registration_info) {
std::string senders;
for (auto iter = gcm_registration_info->sender_ids.begin();
iter != gcm_registration_info->sender_ids.end();
++iter) {
if (!senders.empty())
senders.append(",");
senders.append(*iter);
}
UMA_HISTOGRAM_COUNTS("GCM.RegistrationSenderIdCount",
gcm_registration_info->sender_ids.size());
request_handler.reset(new GCMRegistrationRequestHandler(senders));
source_to_record = senders;
}
const InstanceIDTokenInfo* instance_id_token_info =
InstanceIDTokenInfo::FromRegistrationInfo(registration_info.get());
if (instance_id_token_info) {
auto instance_id_iter = instance_id_data_.find(registration_info->app_id);
DCHECK(instance_id_iter != instance_id_data_.end());
request_handler.reset(new InstanceIDGetTokenRequestHandler(
instance_id_iter->second.first,
instance_id_token_info->authorized_entity,
instance_id_token_info->scope,
ConstructGCMVersion(chrome_build_info_.version),
instance_id_token_info->options));
source_to_record = instance_id_token_info->authorized_entity + "/" +
instance_id_token_info->scope;
}
RegistrationRequest::RequestInfo request_info(
device_checkin_info_.android_id,
device_checkin_info_.secret,
registration_info->app_id);
std::unique_ptr<RegistrationRequest> registration_request(
new RegistrationRequest(
gservices_settings_.GetRegistrationURL(), request_info,
std::move(request_handler), GetGCMBackoffPolicy(),
base::Bind(&GCMClientImpl::OnRegisterCompleted,
weak_ptr_factory_.GetWeakPtr(), registration_info),
kMaxRegistrationRetries, url_request_context_getter_, &recorder_,
source_to_record));
registration_request->Start();
pending_registration_requests_.insert(
std::make_pair(registration_info, std::move(registration_request)));
}
void GCMClientImpl::OnRegisterCompleted(
const linked_ptr<RegistrationInfo>& registration_info,
RegistrationRequest::Status status,
const std::string& registration_id) {
DCHECK(delegate_);
Result result;
PendingRegistrationRequests::const_iterator iter =
pending_registration_requests_.find(registration_info);
if (iter == pending_registration_requests_.end())
result = UNKNOWN_ERROR;
else if (status == RegistrationRequest::INVALID_SENDER)
result = INVALID_PARAMETER;
else if (registration_id.empty())
result = SERVER_ERROR;
else
result = SUCCESS;
if (result == SUCCESS) {
// Cache it.
// Note that the existing cached record has to be removed first because
// otherwise the key value in registrations_ will not be updated. For GCM
// registrations, the key consists of pair of app_id and sender_ids though
// only app_id is used in the comparison.
registrations_.erase(registration_info);
registrations_[registration_info] = registration_id;
// Save it in the persistent store.
gcm_store_->AddRegistration(
registration_info->GetSerializedKey(),
registration_info->GetSerializedValue(registration_id),
base::Bind(&GCMClientImpl::UpdateRegistrationCallback,
weak_ptr_factory_.GetWeakPtr()));
}
delegate_->OnRegisterFinished(
registration_info,
result == SUCCESS ? registration_id : std::string(),
result);
if (iter != pending_registration_requests_.end())
pending_registration_requests_.erase(iter);
}
void GCMClientImpl::Unregister(
const linked_ptr<RegistrationInfo>& registration_info) {
DCHECK_EQ(state_, READY);
std::unique_ptr<UnregistrationRequest::CustomRequestHandler> request_handler;
std::string source_to_record;
const GCMRegistrationInfo* gcm_registration_info =
GCMRegistrationInfo::FromRegistrationInfo(registration_info.get());
if (gcm_registration_info) {
request_handler.reset(
new GCMUnregistrationRequestHandler(registration_info->app_id));
}
const InstanceIDTokenInfo* instance_id_token_info =
InstanceIDTokenInfo::FromRegistrationInfo(registration_info.get());
if (instance_id_token_info) {
auto instance_id_iter = instance_id_data_.find(registration_info->app_id);
if (instance_id_iter == instance_id_data_.end()) {
// This should not be reached since we should not delete tokens when