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authorParker Berberian <pberberian@iol.unh.edu>2020-02-06 12:59:51 -0500
committerSawyer Bergeron <sbergeron@iol.unh.edu>2020-02-12 13:23:17 -0500
commitf5cdab1569b26df0c7ffc3df1529f095116fd13a (patch)
tree0905a58a36b5be4a38613d1cb5834ec2e4d5e27f /src/booking/admin.py
parent80f9bb0bb514133363bd0a40edb8b10ddb8d3a51 (diff)
Modifies Resource Models for ongoing refactor
Change-Id: Ice88f53135f57aca8e2de4d69274e7d490f981a4 Signed-off-by: Parker Berberian <pberberian@iol.unh.edu>
Diffstat (limited to 'src/booking/admin.py')
0 files changed, 0 insertions, 0 deletions
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/*
 * 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.
 *
 * Copyright Tomi Manninen OH2BNS (oh2bns@sral.fi)
 */
#include <linux/types.h>
#include <linux/slab.h>
#include <linux/socket.h>
#include <linux/timer.h>
#include <net/ax25.h>
#include <linux/skbuff.h>
#include <net/netrom.h>
#include <linux/init.h>

static void nr_loopback_timer(unsigned long);

static struct sk_buff_head loopback_queue;
static DEFINE_TIMER(loopback_timer, nr_loopback_timer, 0, 0);

void __init nr_loopback_init(void)
{
	skb_queue_head_init(&loopback_queue);
}

static inline int nr_loopback_running(void)
{
	return timer_pending(&loopback_timer);
}

int nr_loopback_queue(struct sk_buff *skb)
{
	struct sk_buff *skbn;

	if ((skbn = alloc_skb(skb->len, GFP_ATOMIC)) != NULL) {
		skb_copy_from_linear_data(skb, skb_put(skbn, skb->len), skb->len);
		skb_reset_transport_header(skbn);

		skb_queue_tail(&loopback_queue, skbn);

		if (!nr_loopback_running())
			mod_timer(&loopback_timer, jiffies + 10);
	}

	kfree_skb(skb);
	return 1;
}

static void nr_loopback_timer(unsigned long param)
{
	struct sk_buff *skb;
	ax25_address *nr_dest;
	struct net_device *dev;

	if ((skb = skb_dequeue(&loopback_queue)) != NULL) {
		nr_dest = (ax25_address *)(skb->data + 7);

		dev = nr_dev_get(nr_dest);

		if (dev == NULL || nr_rx_frame(skb, dev) == 0)
			kfree_skb(skb);

		if (dev != NULL)
			dev_put(dev);

		if (!skb_queue_empty(&loopback_queue) && !nr_loopback_running())
			mod_timer(&loopback_timer, jiffies + 10);
	}
}

void __exit nr_loopback_clear(void)
{
	del_timer_sync(&loopback_timer);
	skb_queue_purge(&loopback_queue);
}