hostlookup.c File Reference

Implementation of host lookup functionality. More...

#include "iothread.h"
#include "hostlookup.h"
#include "text.h"
#include <string.h>
#include <stdio.h>
#include <assert.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <unistd.h>
#include <SDL.h>

Include dependency graph for hostlookup.c:

Go to the source code of this file.

Functions
static void	DoAddrLookup (void *name)
	Performs a lookup for the address of a given hostname on the I/O Thread.
void	DoHostnameLookup (void *ignore)
	An operation for the I/O Thread that attempts to discover the local system's hostname and address.
static void	DoNameLookup (void *address)
	Performs a lookup for the hostname of a given address on the I/O Thread.
int	LookupResult (char *name, INetAddr *addr)
	Provides the results of a host lookup started by a call to either StartAddrLookup() or StartNameLookup(), or a notice that the operation is in progress.
void	StartAddrLookup (char *name)
	Starts the process of finding the address of a host based on its name.
void	StartNameLookup (SocketAddr *addr, char *name)
	Starts the process of finding the full hostname of a machine based on its address.
Bool	StartStrNameLookup (char *addrstr, char *name)
	Starts the process of finding the full hostname of a machine based on its address.
Variables
static struct addrinfo *	addrLookup = NULL
	Stores the results from looking up an address.
static int	conditionCode = 0
	The current condition code used to tell what the lookup code is doing or the result returned by the sockets function used for the lookup.
static INetAddr	hostaddr
	The numeric IP address who's name is sought.
char	localhostAddrStr [INET6_ADDRSTRLEN] = { 0 }
	Stores the address of the local system as a string.
char	localhostName [64] = { 0 }
	Stores the name of the local system.
static char *	lookupName = NULL
	A pointer to where to place the hostname when looking up from an address.

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Detailed Description

Implementation of host lookup functionality.

Author:

Jeff Jackowski (jeffj@ro.com)

Copyright (C) 2007 Jeff Jackowski

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program 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 General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. Or visit their website at: http://www.gnu.org/

Definition in file hostlookup.c.

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