obexd/client/transport.c

/*
 *
 *  OBEX Server
 *
 *  Copyright (C) 2012 Intel Corporation
 *
 *
 *  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 St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <string.h>
#include <errno.h>
#include <glib.h>
#include <inttypes.h>

#include "obexd/src/log.h"
#include "transport.h"

static GSList *transports = NULL;

struct obc_transport *obc_transport_find(const char *name)
{
	GSList *l;

	for (l = transports; l; l = l->next) {
		struct obc_transport *transport = l->data;

		if (strcasecmp(name, transport->name) == 0)
			return transport;
	}

	return NULL;
}

int obc_transport_register(struct obc_transport *transport)
{
	if (!transport) {
		error("Invalid transport");
		return -EINVAL;
	}

	if (obc_transport_find(transport->name)) {
		error("Permission denied: transport %s already registered",
							transport->name);
		return -EPERM;
	}

	DBG("transport %p name %s registered", transport, transport->name);

	transports = g_slist_append(transports, transport);

	return 0;
}

void obc_transport_unregister(struct obc_transport *transport)
{
	if (!g_slist_find(transports, transport)) {
		error("Unable to unregister: No such transport %p", transport);
		return;
	}

	DBG("transport %p name %s unregistered", transport, transport->name);

	transports = g_slist_remove(transports, transport);
}