mirror of
https://github.com/rakshasa/rtorrent.git
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rakshasa
535db16850
git-svn-id: svn://rakshasa.no/libtorrent/trunk/rtorrent@938 e378c898-3ddf-0310-93e7-cc216c733640
99 lines
3.8 KiB
C++
99 lines
3.8 KiB
C++
// rak - Rakshasa's toolbox
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// Copyright (C) 2005-2007, Jari Sundell
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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// In addition, as a special exception, the copyright holders give
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// permission to link the code of portions of this program with the
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// OpenSSL library under certain conditions as described in each
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// individual source file, and distribute linked combinations
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// including the two.
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//
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// You must obey the GNU General Public License in all respects for
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// all of the code used other than OpenSSL. If you modify file(s)
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// with this exception, you may extend this exception to your version
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// of the file(s), but you are not obligated to do so. If you do not
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// wish to do so, delete this exception statement from your version.
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// If you delete this exception statement from all source files in the
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// program, then also delete it here.
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//
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// Contact: Jari Sundell <jaris@ifi.uio.no>
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//
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// Skomakerveien 33
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// 3185 Skoppum, NORWAY
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// Wrapper for addrinfo with focus on zero-copy conversion to and from
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// the c-type and wrapper.
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//
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// Do use the wrapper on a pre-existing struct addrinfo, cast the
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// pointer rather than the base type.
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#ifndef RAK_ADDRESS_INFO_H
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#define RAK_ADDRESS_INFO_H
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#include <netdb.h>
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#include <rak/socket_address.h>
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namespace rak {
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class address_info {
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public:
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void clear() { std::memset(this, 0, sizeof(address_info)); }
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int flags() const { return m_addrinfo.ai_flags; }
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void set_flags(int f) { m_addrinfo.ai_flags = f; }
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int family() const { return m_addrinfo.ai_family; }
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void set_family(int f) { m_addrinfo.ai_family = f; }
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int socket_type() const { return m_addrinfo.ai_socktype; }
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void set_socket_type(int t) { m_addrinfo.ai_socktype = t; }
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int protocol() const { return m_addrinfo.ai_protocol; }
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void set_protocol(int p) { m_addrinfo.ai_protocol = p; }
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size_t length() const { return m_addrinfo.ai_addrlen; }
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socket_address* address() { return reinterpret_cast<socket_address*>(m_addrinfo.ai_addr); }
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addrinfo* c_addrinfo() { return &m_addrinfo; }
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const addrinfo* c_addrinfo() const { return &m_addrinfo; }
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address_info* next() { return reinterpret_cast<address_info*>(m_addrinfo.ai_next); }
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static int get_address_info(const char* node, int domain, int type, address_info** ai);
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static void free_address_info(address_info* ai) { ::freeaddrinfo(ai->c_addrinfo()); }
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static const char* strerror(int err) { return gai_strerror(err); }
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private:
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addrinfo m_addrinfo;
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};
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inline int
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address_info::get_address_info(const char* node, int pfamily, int stype, address_info** ai) {
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address_info hints;
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hints.clear();
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hints.set_family(pfamily);
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hints.set_socket_type(stype);
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return ::getaddrinfo(node, NULL, hints.c_addrinfo(), reinterpret_cast<addrinfo**>(ai));
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}
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}
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#endif
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