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      1 /*
      2  * libjingle
      3  * Copyright 2004--2005, Google Inc.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions are met:
      7  *
      8  *  1. Redistributions of source code must retain the above copyright notice,
      9  *     this list of conditions and the following disclaimer.
     10  *  2. Redistributions in binary form must reproduce the above copyright notice,
     11  *     this list of conditions and the following disclaimer in the documentation
     12  *     and/or other materials provided with the distribution.
     13  *  3. The name of the author may not be used to endorse or promote products
     14  *     derived from this software without specific prior written permission.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
     17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     18  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
     19  * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     20  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 
     28 #ifndef TALK_BASE_SOCKETADDRESSPAIR_H__
     29 #define TALK_BASE_SOCKETADDRESSPAIR_H__
     30 
     31 #include "talk/base/socketaddress.h"
     32 
     33 namespace talk_base {
     34 
     35 // Records a pair (source,destination) of socket addresses.  The two addresses
     36 // identify a connection between two machines.  (For UDP, this "connection" is
     37 // not maintained explicitly in a socket.)
     38 class SocketAddressPair {
     39 public:
     40   SocketAddressPair() {}
     41   SocketAddressPair(const SocketAddress& srs, const SocketAddress& dest);
     42 
     43   const SocketAddress& source() const { return src_; }
     44   const SocketAddress& destination() const { return dest_; }
     45 
     46   bool operator ==(const SocketAddressPair& r) const;
     47   bool operator <(const SocketAddressPair& r) const;
     48 
     49   size_t Hash() const;
     50 
     51 private:
     52   SocketAddress src_;
     53   SocketAddress dest_;
     54 };
     55 
     56 } // namespace talk_base
     57 
     58 #endif // TALK_BASE_SOCKETADDRESSPAIR_H__
     59