Blue Static

/*
 * Tindex
 * Copyright ©2002 - 2006, Blue Static <http://www.bluestatic.org>
 *
 * 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
 *
 * $Id: DatabaseServer.m 458 2006-08-14 03:48:44Z rsesek $
 * $HeadURL: file:///Users/rsesek/SVN/macosx/Tindex/trunk/Server/DatabaseServer.m $
 */

#import "DatabaseServer.h"
#import "ServerManager.h"
#import <netinet/in.h>
#import <sys/socket.h>

@implementation DatabaseServer

/*!
 * Initializer. Sets up the manager object reference
 *
 * @param	ServerManager	Manager object
 */
- (id)initWithManager: (ServerManager *)obj
{
	if (self = [super init])
	{
		manager = [obj retain];
	}
	return self;
}

/*!
 * Destructor
 */
- (void)dealloc
{
	[manager release];
	[socket dealloc];
	[service dealloc];

	[super dealloc];
}

/*!
 * Step 1 of 3. Initializes the TCP/IP sockets for IPv4 or IPv6.
 */
- (void)startSocket
{
	socket = [[NSSocketPort alloc] init];
	if (socket)
	{
		addr = (struct sockaddr *)[[socket address] bytes];
		if (addr->sa_family == AF_INET)
		{
			port = ((struct sockaddr_in *)addr)->sin_port;
			[manager addLog: @"IPv4 NSSocketPort established."];
		}
		else if (addr->sa_family == AF_INET6)
		{
			port = ((struct sockaddr_in6 *)addr)->sin6_port;
			[manager addLog: @"IPv6 NSSocketPort established."];
		}
		else
		{
			[socket release];
			socket = nil;
			[manager addError: @"The family is neither IPv4 nor IPv6. Can't handle."];
		}
	}
	else
	{
		[manager addError: @"An error occurred initializing the NSSocketPort."];
	}
}

/*!
 * Step 3 of 3. Creates and opens a new NSConnection and then vends a new SQLiteRemote
 * object (autoreleased).
 */
- (void)startDistributedObject
{
	connection = [[NSConnection connectionWithReceivePort: socket
												 sendPort: nil] retain];
	[connection setRootObject: [[[SQLiteRemote alloc] init] autorelease]];
	[[NSSocketPortNameServer sharedInstance] registerPort: socket
													 name: @"TindexServer"];
}

/*!
 * Step 2 of 3. Broadcasts a _tindex._tcp. signal across the opened port.
 */
- (void)startService
{
	if (socket)
	{
		service = [[NSNetService alloc] initWithDomain: @""
												  type: @"_tindex._tcp"
												  name: @""
												  port: port];
		if (service)
		{
			[service publish];
			[manager addLog: @"NSNetService delegated and published."];
		}
		else
		{
			[manager addError: @"An error occurred initializing the NSNetService."];
		}
	}
}

@end