diff options
author | Jörg Frings-Fürst <debian@jff-webhosting.net> | 2014-10-01 08:07:52 +0200 |
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committer | Jörg Frings-Fürst <debian@jff-webhosting.net> | 2014-10-01 08:07:52 +0200 |
commit | 6c4f0aa3eaa0de86457dbc734ea552cd03a67a0d (patch) | |
tree | 3a5d5161046f3c97d9a18bd16285a807a20c2466 /lib/psocksxx/nsockaddr.cpp |
Initial import of psocksxx version 0.0.5-1
Diffstat (limited to 'lib/psocksxx/nsockaddr.cpp')
-rw-r--r-- | lib/psocksxx/nsockaddr.cpp | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/lib/psocksxx/nsockaddr.cpp b/lib/psocksxx/nsockaddr.cpp new file mode 100644 index 0000000..08d9969 --- /dev/null +++ b/lib/psocksxx/nsockaddr.cpp @@ -0,0 +1,137 @@ +/* +* psocksxx - A C++ wrapper for POSIX sockets +* Copyright (C) 2013 Uditha Atukorala +* +* This software 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 3 of the License, or +* (at your option) any later version. +* +* This software 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 software library. If not, see <http://www.gnu.org/licenses/>. +* +*/ + +#include "nsockaddr.h" +#include "sockstreambuf.h" + +#include <netdb.h> +#include <cstring> + + +namespace psocksxx { + + nsockaddr::nsockaddr( const char * node, unsigned short port ) throw( sockexception ) { + + // set the socket address family + sin_family = sockaddr::af_inet; + + // set the port + sin_port = htons( port ); + + // set the address + sin_addr.s_addr = resolve_node( node ); + + // zero out internals + memset( sin_zero, 0, sizeof( sin_zero ) ); + + } + + + nsockaddr::nsockaddr( unsigned short port ) throw() { + + // set the socket address family + sin_family = sockaddr::af_inet; + + // set the port + sin_port = htons( port ); + + // set the address + sin_addr.s_addr = INADDR_ANY; + + // zero out internals + memset( sin_zero, 0, sizeof( sin_zero ) ); + + } + + + nsockaddr::nsockaddr( const char * node, const char * service ) throw( sockexception ) { + + int status; + addrinfo hints; + addrinfo * result; + sockaddr_in * sinaddr; + + // empty the hints structure + memset( &hints, 0, sizeof( hints ) ); + + // setup hints + hints.ai_family = sockaddr::af_inet; + hints.ai_socktype = sockstreambuf::sock_stream; + + // translate node and service into a network address + if ( ( status = ( getaddrinfo( node, service, &hints, &result ) ) ) != 0 ) { + throw sockexception( gai_strerror( status ) ); + } + + // grab the address info we need + sinaddr = (sockaddr_in *) result->ai_addr; + sin_family = sockaddr::af_inet; + sin_addr = sinaddr->sin_addr; + sin_port = sinaddr->sin_port; + + // zero out internals + memset( sin_zero, 0, sizeof( sin_zero ) ); + + // cleanup + freeaddrinfo( result ); + + } + + + in_addr_t nsockaddr::resolve_node( const char * node ) throw( sockexception ) { + + int status; + addrinfo hints; + addrinfo * result; + in_addr_t in_addr; + + // empty the hints structure + memset( &hints, 0, sizeof( hints ) ); + + // setup hints + hints.ai_family = sockaddr::af_inet; + hints.ai_socktype = sockstreambuf::sock_stream; + + // resolve node + if ( ( status = ( getaddrinfo( node, 0, &hints, &result ) ) ) != 0 ) { + throw sockexception( gai_strerror( status ) ); + } + + // grab the address info we need + in_addr = ( (sockaddr_in *) result->ai_addr )->sin_addr.s_addr; + + // cleanup + freeaddrinfo( result ); + + return in_addr; + + } + + + socklen_t nsockaddr::size() const throw() { + return sizeof( sockaddr_in ); + } + + + ::sockaddr * nsockaddr::psockaddr() const throw() { + return (::sockaddr *) (sockaddr_in *) this; + } + +} /* end of namespace psocksxx */ + |