chrome.mdns API

chrome/browser/extensions/api/mdns/mdns_api.cc

+// Copyright (c) 2012 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/extensions/api/mdns/mdns_api.h"
+
+#include <vector>
+
+#include "base/time/time.h"
+#include "chrome/browser/extensions/api/mdns/mdns_api_factory.h"
+#include "chrome/browser/extensions/event_router.h"
+#include "chrome/browser/extensions/extension_service.h"
+#include "chrome/browser/extensions/extension_system.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/common/extensions/api/mdns.h"
+#include "chrome/common/extensions/api/mdns/mdns_manifest_handler.h"
+#include "content/public/browser/browser_thread.h"
+#include "extensions/common/manifest_constants.h"
+
+using base::TimeDelta;
+using content::BrowserThread;
+
+namespace extensions {
+
+namespace mdns = api::mdns;
+
+MDnsAPI::MDnsAPI(Profile* profile) : profile_(profile) {
+  ExtensionSystem::Get(profile)->event_router()->RegisterObserver(

[mark a. foltz, 2013/08/23 23:27:23]

DCHECK(profile_)

[justinlin, 2013/08/27 00:09:25]

Done.

+      this, mdns::OnServiceList::kEventName);
+}
+
+MDnsAPI::~MDnsAPI() {}
+
+NsdRegistry* MDnsAPI::nsd_registry() {
+  if (!nsd_registry_.get()) {
+    nsd_registry_.reset(new extensions::NsdRegistry());
+  }
+  return nsd_registry_.get();
+}
+
+void MDnsAPI::OnListenerAdded(const EventListenerInfo& details) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));

[mark a. foltz, 2013/08/23 23:27:23]

Use base::NonThreadSafe or base::TheadChecker instead?

[justinlin, 2013/08/27 00:09:25]

Done.

+  const extensions::Extension* extension = ExtensionSystem::Get(profile_)->
+      extension_service()->GetExtensionById(details.extension_id, false);
+  MDnsInfo* info = static_cast<MDnsInfo*>(
+      extension->GetManifestData(manifest_keys::kMDnsServiceTypes));
+  NsdRegistry* nsd_registry =
+      MDnsAPIFactory::GetForProfile(profile_)->nsd_registry();
+  for (std::vector<std::string>::iterator it = info->service_types.begin();
+       it != info->service_types.end(); ++it) {
+    LOG(ERROR) << "LISTENING FOR SERVICE TYPE " << *it;
+    nsd_registry->RegisterMDnsListener(*it);

[mark a. foltz, 2013/08/23 23:27:23]

When an extension is unloaded or disabled, do we have any way of unregistering
for service types?

[justinlin, 2013/08/27 00:09:25]

Done.

+  }
+}
+
+void MDnsAPI::OnListenerRemoved(const EventListenerInfo& details) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  // TODO(justinlin): Unregister.
+}
+
+void MDnsAPI::OnNsdEvent(const NsdRegistry::NsdDeviceList& devices) {
+
+}
+
+void MDnsAPI::OnNsdEvent(NsdRegistry::NsdErrorCode type) {
+
+}
+
+}  // namespace extensions