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/* vim:ts=8:sts=4:sw=4:noai:noexpandtab
*
* PGM endpoint
*
* Copyright (c) 2010 Miru Limited.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __PGM_IP_PGM_ENDPOINT_HH__
#define __PGM_IP_PGM_ENDPOINT_HH__
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
namespace pgm {
#define restrict
#include <pgm/pgm.h>
}
namespace ip {
template <typename InternetProtocol>
class pgm_endpoint
{
public:
/// The protocol type associated with the endpoint.
typedef InternetProtocol protocol_type;
typedef struct cpgm::pgm_sockaddr_t data_type;
/// Default constructor.
pgm_endpoint()
: data_()
{
data_.sa_port = 0;
cpgm::pgm_tsi_t tmp_addr = PGM_TSI_INIT;
data_.sa_addr = tmp_addr;
}
/// Construct an endpoint using a port number, specified in host byte
/// order. The GSI will be generated from the node name.
/**
* @par examples
* To initialise a PGM endpoint for port 7500, use:
* @code
* ip::pgm::endpoint ep (7500);
* @endcode
*/
pgm_endpoint (unsigned short port_num)
: data_()
{
data_.sa_port = port_num;
data_.sa_addr.sport = 0;
pgm_gsi_create_from_hostname (&data_.sa_addr.gsi, NULL);
}
/// Construct an endpoint using a port number and a TSI.
pgm_endpoint (const cpgm::pgm_tsi_t& tsi, unsigned short port_num)
: data_()
{
data_.sa_port = port_num;
data_.sa_addr = tsi;
}
/// Construct an endpoint using a port number and a memory area.
pgm_endpoint (const void* src, std::size_t len, unsigned short port_num)
: data_()
{
data_.sa_port = port_num;
data_.sa_addr.sport = 0;
pgm_gsi_create_from_data (&data_.sa_addr.gsi, src, len);
}
/// Copy constructor.
pgm_endpoint (const pgm_endpoint& other)
: data_ (other.data_)
{
}
/// Assign from another endpoint.
pgm_endpoint& operator= (const pgm_endpoint& other)
{
data_ = other.data_;
return *this;
}
/// Get the underlying endpoint in the native type.
const data_type* data() const
{
return &data_;
}
/// Get the underlying size of the endpoint in the native type.
std::size_t size() const
{
return sizeof(data_type);
}
/// Get the port associated with the endpoint. The port number is always in
/// the host's byte order.
unsigned short port() const
{
return data_.sa_port;
}
/// Set the port associated with the endpoint. The port number is always in
/// the host's byte order.
void port (unsigned short port_num)
{
data_.sa_port = port_num;
}
/// Get the TSI associated with the endpoint.
const cpgm::pgm_tsi_t* address() const
{
return &data_.sa_addr;
}
/// Set the TSI associated with the endpoint.
void address (cpgm::pgm_tsi_t& addr)
{
data_.sa_addr = addr;
}
/// Compare two endpoints for equality.
friend bool operator== (const pgm_endpoint<InternetProtocol>& e1,
const pgm_endpoint<InternetProtocol>& e2)
{
return e1.address() == e2.address() && e1.port() == e2.port();
}
/// Compare two endpoints for inequality.
friend bool operator!= (const pgm_endpoint<InternetProtocol>& e1,
const pgm_endpoint<InternetProtocol>& e2)
{
return e1.address() != e2.address() || e1.port() != e2.port();
}
/// Compare endpoints for ordering.
friend bool operator<(const pgm_endpoint<InternetProtocol>& e1,
const pgm_endpoint<InternetProtocol>& e2)
{
if (e1.address() < e2.address())
return true;
if (e1.address() != e2.address())
return false;
return e1.port() < e2.port();
}
private:
// The underlying PGM socket address.
data_type data_;
};
} // namespace ip
#endif /* __PGM_IP_PGM_ENDPOINT_HH__ */
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