chrome.mdns API

chrome/browser/extensions/api/mdns/nsd_registry.h

+// 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.
+
+#ifndef CHROME_BROWSER_EXTENSIONS_API_MDNS_NSD_REGISTRY_H_
+#define CHROME_BROWSER_EXTENSIONS_API_MDNS_NSD_REGISTRY_H_
+
+#include <string>
+#include <vector>
+
+#include "chrome/browser/extensions/api/mdns/mdns_service.h"
+
+namespace extensions {
+
+// Network Service Discovery registry class for keeping track of local network
+// services discovered on the local network.
+class NsdRegistry {
+ public:
+  // TODO:
+  typedef std::vector<std::string> NsdDeviceList;
+
+  enum NsdErrorCode {
+    NSD_SERVICE_ERROR,
+    NSD_ERROR
+  };
+
+  class Observer {
+   public:
+    virtual void OnNsdEvent(const NsdDeviceList& devices) = 0;
+    virtual void OnNsdEvent(NsdErrorCode type) = 0;
+
+   protected:
+    virtual ~Observer() {}
+  };
+
+  MDnsService *mdns_service();
+
+  explicit NsdRegistry(Observer* mdns_api);
+  NsdRegistry();
+  ~NsdRegistry();
+
+  void RegisterMDnsListener(std::string serviceName);

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

Where to we track which extension(s) are watching which service(s)?

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

There's now a map in MDnsApi

+
+ protected:
+
+ private:
+  scoped_ptr<MDnsService> mdns_service_;
+};
+
+}  // namespace extensions
+
+#endif  // CHROME_BROWSER_EXTENSIONS_API_MDNS_NSD_REGISTRY_H_