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-rw-r--r--lib/psocksxx/nsockaddr.cpp137
1 files changed, 137 insertions, 0 deletions
diff --git a/lib/psocksxx/nsockaddr.cpp b/lib/psocksxx/nsockaddr.cpp
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+++ b/lib/psocksxx/nsockaddr.cpp
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+/*
+* 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 */
+