Add an IPEndPoint class as a simple class for dealing with struct sockaddr.

BUG=none
TEST=ip_endpoint_unittest

Review URL: http://codereview.chromium.org/6592096

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@76868 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 53 insertions, 0 deletions

diff --git a/net/base/ip_endpoint.h b/net/base/ip_endpoint.h
new file mode 100644
index 0000000..66aea71
--- /dev/null
+++ b/net/base/ip_endpoint.h
@@ -0,0 +1,53 @@
+// Copyright (c) 2011 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 NET_BASE_IP_ENDPOINT_H_
+#define NET_BASE_IP_ENDPOINT_H_
+#pragma once
+
+#include "base/basictypes.h"
+#include "net/base/net_util.h"
+
+struct sockaddr;
+
+namespace net {
+
+// An IPEndPoint represents the address of a transport endpoint:
+//  * IP address (either v4 or v6)
+//  * Port
+class IPEndPoint {
+ public:
+  IPEndPoint();
+  IPEndPoint(const IPAddressNumber& address, int port);
+  IPEndPoint(const IPEndPoint& endpoint);
+
+  const IPAddressNumber& address() const { return address_; }
+  int port() const { return port_; }
+
+  // Convert to a provided sockaddr struct.
+  // |address| is the sockaddr to copy into.  Should be at least
+  //    sizeof(struct sockaddr_storage) bytes.
+  // |address_length| is an input/output parameter.  On input, it is the
+  //    size of data in |address| available.  On output, it is the size of
+  //    the address that was copied into |address|.
+  // Returns true on success, false on failure.
+  bool ToSockaddr(struct sockaddr* address, size_t* address_length) const;
+
+  // Convert from a sockaddr struct.
+  // |address| is the address.
+  // |address_length| is the length of |address|.
+  // Returns true on success, false on failure.
+  bool FromSockAddr(const struct sockaddr* address, size_t address_length);
+
+  bool operator<(const IPEndPoint& that) const;
+  bool operator==(const IPEndPoint& that) const;
+
+ private:
+  IPAddressNumber address_;
+  int port_;
+};
+
+}  // namespace net
+
+#endif  // NET_BASE_IP_ENDPOINT_H_