/*
* Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description:
* System Includes
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <ctype.h>
#include <errno.h>
#ifdef WIN32
#include <winsock2.h>
#else
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#endif
/*******************************************************************************
*
* Local Includes
*
******************************************************************************/
#include "socket_helper.h"
/*******************************************************************************
*
* Definition
*
******************************************************************************/
/*******************************************************************************
*
* Implementation
*
******************************************************************************/
struct sockaddr_in getsockaddr( const char* ip, const char* port)
{
int isip;
struct sockaddr_in sockaddr;
int b1, b2, b3, b4;
unsigned long addr = 0;
// set the basics
sockaddr.sin_family = AF_INET;
sockaddr.sin_port = htons(atoi(port));
// if IP is NULL then set to INADDR_ANY otherwise work it out
if( ip == NULL ) {
#ifdef WIN32
sockaddr.sin_addr.S_un.S_addr = INADDR_ANY;
#else
sockaddr.sin_addr.s_addr = INADDR_ANY;
#endif
return sockaddr;
}
// otherwise we see if this is an IP address
isip = is_ip_address( ip );
if( isip ) {
sscanf( ip, "%d.%d.%d.%d", &b1, &b2, &b3,&b4 );
addr = ((b1<<24)&0xFF000000);
addr |= ((b2<<16)&0x00FF0000);
addr |= ((b3<<8)&0x0000FF00);
addr |= ((b4)&0x000000FF);
#ifdef WIN32
sockaddr.sin_addr.S_un.S_addr = htonl(addr);
#else
sockaddr.sin_addr.s_addr = htonl(addr);
#endif
} else {
struct hostent *hp = gethostbyname(ip);
memcpy(&sockaddr.sin_addr,hp->h_addr,hp->h_length);
}
return sockaddr;
}
int is_ip_address( const char* aAddr )
{
int i;
int dot_count = 0;
// Our method for checking whether this is an IP address is to check that
// we have digits and points (3 to be precise).
for( i = 0; aAddr[i] != 0; i++ ) {
if( (aAddr[i] != '.') && (isdigit(aAddr[i]) == 0) ) {
return 0;
}
if( aAddr[i] == '.' ) {
dot_count++;
if( dot_count > 3 ) {
return 0;
}
}
}
return 1;
}
/*******************************************************************************
*
* GetSocketError - gets the last socket error - for xdev
*
******************************************************************************/
int GetSocketError()
{
#ifdef WIN32
return WSAGetLastError();
#else
return errno;
#endif
}