Draft: InvalidationService

chrome/browser/p2p_invalidation_service.cc

+// Copyright (c) 2013 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 "chrome/browser/p2p_invalidation_service.h"
+
+#include "base/base64.h"
+#include "base/command_line.h"
+#include "base/rand_util.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/common/chrome_switches.h"
+#include "sync/notifier/p2p_invalidator.h"
+
+namespace net {
+class URLRequestContextGetter;
+}
+
+// FIXME: duplicated code.
+namespace {
+// Parses the given command line for notifier options.
+notifier::NotifierOptions ParseNotifierOptions(
+    const CommandLine& command_line,
+    const scoped_refptr<net::URLRequestContextGetter>&
+        request_context_getter) {
+  notifier::NotifierOptions notifier_options;
+  notifier_options.request_context_getter = request_context_getter;
+
+  if (command_line.HasSwitch(switches::kSyncNotificationHostPort)) {
+    notifier_options.xmpp_host_port =
+        net::HostPortPair::FromString(
+            command_line.GetSwitchValueASCII(
+                switches::kSyncNotificationHostPort));
+    DVLOG(1) << "Using " << notifier_options.xmpp_host_port.ToString()
+             << " for test sync notification server.";
+  }
+
+  notifier_options.try_ssltcp_first =
+      command_line.HasSwitch(switches::kSyncTrySsltcpFirstForXmpp);
+  DVLOG_IF(1, notifier_options.try_ssltcp_first)
+      << "Trying SSL/TCP port before XMPP port for notifications.";
+
+  notifier_options.invalidate_xmpp_login =
+      command_line.HasSwitch(switches::kSyncInvalidateXmppLogin);
+  DVLOG_IF(1, notifier_options.invalidate_xmpp_login)
+      << "Invalidating sync XMPP login.";
+
+  notifier_options.allow_insecure_connection =
+      command_line.HasSwitch(switches::kSyncAllowInsecureXmppConnection);
+  DVLOG_IF(1, notifier_options.allow_insecure_connection)
+      << "Allowing insecure XMPP connections.";
+
+  if (command_line.HasSwitch(switches::kSyncNotificationMethod)) {
+    const std::string notification_method_str(
+        command_line.GetSwitchValueASCII(switches::kSyncNotificationMethod));
+    notifier_options.notification_method =
+        notifier::StringToNotificationMethod(notification_method_str);
+  }
+
+  return notifier_options;
+}
+
+std::string GenerateInvalidatorClientId() {
+  // Generate a GUID with 128 bits worth of base64-encoded randomness.
+  // This format is similar to that of sync's cache_guid.
+  const int kGuidBytes = 128 / 8;
+  std::string guid;
+  base::Base64Encode(base::RandBytesAsString(kGuidBytes), &guid);
+  return guid;
+}
+
+}  // namespace
+
+P2PInvalidationService::P2PInvalidationService() {
+}
+
+P2PInvalidationService::~P2PInvalidationService() {
+}
+
+void P2PInvalidationService::Init(Profile* profile) {
+  notifier::NotifierOptions notifier_options =
+      ParseNotifierOptions(*CommandLine::ForCurrentProcess(),
+                           profile->GetRequestContext());
+  invalidator_id_ = GenerateInvalidatorClientId();
+  invalidator_.reset(new syncer::P2PInvalidator(
+          notifier::PushClient::CreateDefault(notifier_options),
+          invalidator_id_,
+          syncer::NOTIFY_ALL));
+}
+
+void P2PInvalidationService::UpdateCredentials(const std::string& username,
+                                               const std::string& password) {
+  invalidator_->UpdateCredentials(username, password);
+}
+
+void P2PInvalidationService::Shutdown() {
+  invalidator_.reset();
+}
+
+void P2PInvalidationService::RegisterInvalidationHandler(
+    syncer::InvalidationHandler* handler) {
+  invalidator_->RegisterHandler(handler);
+}
+
+void P2PInvalidationService::UpdateRegisteredInvalidationIds(
+    syncer::InvalidationHandler* handler,
+    const syncer::ObjectIdSet& ids) {
+  invalidator_->UpdateRegisteredIds(handler, ids);
+}
+
+void P2PInvalidationService::UnregisterInvalidationHandler(
+    syncer::InvalidationHandler* handler) {
+  invalidator_->UnregisterHandler(handler);
+}
+
+void P2PInvalidationService::AcknowledgeInvalidation(
+    const invalidation::ObjectId& id,
+    const syncer::AckHandle& ack_handle) {
+  invalidator_->Acknowledge(id, ack_handle);
+}
+
+void P2PInvalidationService::SendInvalidation(
+    const syncer::ObjectIdInvalidationMap& invalidation_map) {
+  invalidator_->SendInvalidation(invalidation_map);
+}
+
+syncer::InvalidatorState P2PInvalidationService::GetInvalidatorState() const {
+  return invalidator_->GetInvalidatorState();
+}
+
+std::string P2PInvalidationService::GetInvalidatorClientId() const {
+  return invalidator_id_;
+}