Adds a modified copy of talk/base to webrtc/base. It is the first step in
migrating talk/base to webrtc/base.
BUG=N/A
R=niklas.enbom@webrtc.org
Review URL: https://webrtc-codereview.appspot.com/17479005
git-svn-id: http://webrtc.googlecode.com/svn/trunk@6129 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/webrtc/base/asyncresolverinterface.h b/webrtc/base/asyncresolverinterface.h
new file mode 100644
index 0000000..4b401bd
--- /dev/null
+++ b/webrtc/base/asyncresolverinterface.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2013 The WebRTC Project Authors. All rights reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef WEBRTC_BASE_ASYNCRESOLVERINTERFACE_H_
+#define WEBRTC_BASE_ASYNCRESOLVERINTERFACE_H_
+
+#include "webrtc/base/sigslot.h"
+#include "webrtc/base/socketaddress.h"
+
+namespace rtc {
+
+// This interface defines the methods to resolve the address asynchronously.
+class AsyncResolverInterface {
+ public:
+ AsyncResolverInterface() {}
+ virtual ~AsyncResolverInterface() {}
+
+ // Start address resolve process.
+ virtual void Start(const SocketAddress& addr) = 0;
+ // Returns top most resolved address of |family|
+ virtual bool GetResolvedAddress(int family, SocketAddress* addr) const = 0;
+ // Returns error from resolver.
+ virtual int GetError() const = 0;
+ // Delete the resolver.
+ virtual void Destroy(bool wait) = 0;
+ // Returns top most resolved IPv4 address if address is resolved successfully.
+ // Otherwise returns address set in SetAddress.
+ SocketAddress address() const {
+ SocketAddress addr;
+ GetResolvedAddress(AF_INET, &addr);
+ return addr;
+ }
+
+ // This signal is fired when address resolve process is completed.
+ sigslot::signal1<AsyncResolverInterface*> SignalDone;
+};
+
+} // namespace rtc
+
+#endif