poco/Net/include/Poco/Net/SocketAddress.h

192 lines
5.5 KiB
C++

//
// SocketAddress.h
//
// $Id: //poco/1.4/Net/include/Poco/Net/SocketAddress.h#2 $
//
// Library: Net
// Package: NetCore
// Module: SocketAddress
//
// Definition of the SocketAddress class.
//
// Copyright (c) 2005-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
//
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
#ifndef Net_SocketAddress_INCLUDED
#define Net_SocketAddress_INCLUDED
#include "Poco/Net/Net.h"
#include "Poco/Net/SocketDefs.h"
#include "Poco/Net/IPAddress.h"
namespace Poco {
namespace Net {
class IPAddress;
class SocketAddressImpl;
class Net_API SocketAddress
/// This class represents an internet (IP) endpoint/socket
/// address. The address can belong either to the
/// IPv4 or the IPv6 address family and consists of a
/// host address and a port number.
{
public:
SocketAddress();
/// Creates a wildcard (all zero) IPv4 SocketAddress.
SocketAddress(const IPAddress& host, Poco::UInt16 port);
/// Creates a SocketAddress from an IP address and given port number.
SocketAddress(Poco::UInt16 port);
/// Creates a SocketAddress with unspecified (wildcard) IP address
/// and given port number.
SocketAddress(const std::string& host, Poco::UInt16 port);
/// Creates a SocketAddress from an IP address and given port number.
///
/// The IP address must either be a domain name, or it must
/// be in dotted decimal (IPv4) or hex string (IPv6) format.
SocketAddress(const std::string& host, const std::string& port);
/// Creates a SocketAddress from an IP address and the
/// service name or port number.
///
/// The IP address must either be a domain name, or it must
/// be in dotted decimal (IPv4) or hex string (IPv6) format.
///
/// The given port must either be a decimal port number, or
/// a service name.
explicit SocketAddress(const std::string& hostAndPort);
/// Creates a SocketAddress from an IP address or host name and the
/// port number/service name. Host name/address and port number must
/// be separated by a colon. In case of an IPv6 address,
/// the address part must be enclosed in brackets.
///
/// Examples:
/// 192.168.1.10:80
/// [::ffff:192.168.1.120]:2040
/// www.appinf.com:8080
SocketAddress(const SocketAddress& addr);
/// Creates a SocketAddress by copying another one.
SocketAddress(const struct sockaddr* addr, poco_socklen_t length);
/// Creates a SocketAddress from a native socket address.
~SocketAddress();
/// Destroys the SocketAddress.
SocketAddress& operator = (const SocketAddress& addr);
/// Assigns another SocketAddress.
void swap(SocketAddress& addr);
/// Swaps the SocketAddress with another one.
IPAddress host() const;
/// Returns the host IP address.
Poco::UInt16 port() const;
/// Returns the port number.
poco_socklen_t length() const;
/// Returns the length of the internal native socket address.
const struct sockaddr* addr() const;
/// Returns a pointer to the internal native socket address.
int af() const;
/// Returns the address family (AF_INET or AF_INET6) of the address.
std::string toString() const;
/// Returns a string representation of the address.
IPAddress::Family family() const;
/// Returns the address family of the host's address.
bool operator < (const SocketAddress& addr) const;
bool operator == (const SocketAddress& addr) const;
bool operator != (const SocketAddress& addr) const;
enum
{
MAX_ADDRESS_LENGTH =
#if defined(POCO_HAVE_IPv6)
sizeof(struct sockaddr_in6)
#else
sizeof(struct sockaddr_in)
#endif
/// Maximum length in bytes of a socket address.
};
protected:
void init(const IPAddress& host, Poco::UInt16 port);
void init(const std::string& host, Poco::UInt16 port);
Poco::UInt16 resolveService(const std::string& service);
private:
SocketAddressImpl* _pImpl;
};
//
// inlines
//
inline void swap(SocketAddress& a1, SocketAddress& a2)
{
a1.swap(a2);
}
inline IPAddress::Family SocketAddress::family() const
{
return host().family();
}
inline bool SocketAddress::operator == (const SocketAddress& addr) const
{
return host() == addr.host() && port() == addr.port();
}
inline bool SocketAddress::operator != (const SocketAddress& addr) const
{
return host() != addr.host() || port() != addr.port();
}
} } // namespace Poco::Net
#endif // Net_SocketAddress_INCLUDED