net/base/ip_endpoint.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef NET_BASE_IP_ENDPOINT_H_
   6 #define NET_BASE_IP_ENDPOINT_H_
   7
   8 #include <string>
   9
  10 #include "base/basictypes.h"
  11 #include "base/compiler_specific.h"
  12 #include "net/base/address_family.h"
  13 #include "net/base/net_export.h"
  14 #include "net/base/net_util.h"
  15
  16 struct sockaddr;
  17
  18 namespace net {
  19
  20 // An IPEndPoint represents the address of a transport endpoint:
  21 //  * IP address (either v4 or v6)
  22 //  * Port
  23 class NET_EXPORT IPEndPoint {
  24  public:
  25   IPEndPoint();
  26   ~IPEndPoint();
  27   IPEndPoint(const IPAddressNumber& address, int port);
  28   IPEndPoint(const IPEndPoint& endpoint);
  29
  30   const IPAddressNumber& address() const { return address_; }
  31   int port() const { return port_; }
  32
  33   // Returns AddressFamily of the address.
  34   AddressFamily GetFamily() const;
  35
  36   // Returns the sockaddr family of the address, AF_INET or AF_INET6.
  37   int GetSockAddrFamily() const;
  38
  39   // Convert to a provided sockaddr struct.
  40   // |address| is the sockaddr to copy into.  Should be at least
  41   //    sizeof(struct sockaddr_storage) bytes.
  42   // |address_length| is an input/output parameter.  On input, it is the
  43   //    size of data in |address| available.  On output, it is the size of
  44   //    the address that was copied into |address|.
  45   // Returns true on success, false on failure.
  46   bool ToSockAddr(struct sockaddr* address, socklen_t* address_length) const
  47       WARN_UNUSED_RESULT;
  48
  49   // Convert from a sockaddr struct.
  50   // |address| is the address.
  51   // |address_length| is the length of |address|.
  52   // Returns true on success, false on failure.
  53   bool FromSockAddr(const struct sockaddr* address, socklen_t address_length)
  54       WARN_UNUSED_RESULT;
  55
  56   // Returns value as a string (e.g. "127.0.0.1:80"). Returns empty
  57   // string if the address is invalid, and cannot not be converted to a
  58   // string.
  59   std::string ToString() const;
  60
  61   // As above, but without port.
  62   std::string ToStringWithoutPort() const;
  63
  64   bool operator<(const IPEndPoint& that) const;
  65   bool operator==(const IPEndPoint& that) const;
  66
  67  private:
  68   IPAddressNumber address_;
  69   int port_;
  70 };
  71
  72 }  // namespace net
  73
  74 #endif  // NET_BASE_IP_ENDPOINT_H_