patch-2.3.4 linux/drivers/isdn/isdn_budget.c

• Lines: 207
• Date: Sun May 23 10:03:42 1999
• Orig file: v2.3.3/linux/drivers/isdn/isdn_budget.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.3/linux/drivers/isdn/isdn_budget.c linux/drivers/isdn/isdn_budget.c
@@ -0,0 +1,206 @@
+/* $Id: isdn_budget.c,v 1.3 1998/10/23 10:18:39 paul Exp $
+ *
+ * Linux ISDN subsystem, budget-accounting for network interfaces.
+ *
+ * Copyright 1997       by Christian Lademann <cal@zls.de>
+ * 
+ * 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, 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., 675 Mass Ave, Cambridge, MA 02139, USA. 
+ *
+ * $Log: isdn_budget.c,v $
+ * Revision 1.3  1998/10/23 10:18:39  paul
+ * Implementation of "dialmode" (successor of "status")
+ * You also need current isdnctrl for this!
+ *
+ * Revision 1.2  1998/03/07 23:17:30  fritz
+ * Added RCS keywords
+ * Bugfix: Did not compile without isdn_dumppkt beeing enabled.
+ *
+ */
+
+/*
+30.06.97:cal:angelegt
+04.11.97:cal:budget.period: int --> time_t
+*/
+
+#include <linux/config.h>
+#define __NO_VERSION__
+#include <linux/module.h>
+#include <linux/isdn.h>
+#include "isdn_common.h"
+#include "isdn_net.h"
+
+#ifdef CONFIG_ISDN_BUDGET
+
+#define	VERBOSE_PRINTK(v, l, p...)	{ \
+	if(dev->net_verbose >= (v)) { \
+		printk(l ## p); \
+	} else { ; } \
+}
+
+
+int
+isdn_net_budget(int type, struct device *ndev) {
+	isdn_net_local		*lp = (isdn_net_local *)ndev->priv;
+	int			i, ret = 0;
+
+	switch(type) {
+	case ISDN_BUDGET_INIT:
+		for(i = 0; i < ISDN_BUDGET_NUM_BUDGET; i++) {
+			lp->budget [i] .amount = -1;
+			lp->budget [i] .used = 0;
+			lp->budget [i] .period = (time_t)0;
+			lp->budget [i] .period_started = (time_t)0;
+			lp->budget [i] .last_check = CURRENT_TIME;
+			lp->budget [i] .notified = 0;
+		}
+
+		return(0);
+		break;
+
+	case ISDN_BUDGET_CHECK_DIAL:
+	case ISDN_BUDGET_CHECK_CHARGE:
+	case ISDN_BUDGET_CHECK_ONLINE:
+		ret = 0;
+
+		for(i = 0; i < ISDN_BUDGET_NUM_BUDGET; i++) {
+			if(lp->budget [i] .amount < 0)
+				continue;
+
+			if(lp->budget [i] .period_started + lp->budget [i] .period < CURRENT_TIME) {
+				lp->budget [i] .used = 0;
+				lp->budget [i] .period_started = CURRENT_TIME;
+				lp->budget [i] .notified = 0;
+			}
+
+			if(lp->budget [i] .used >= lp->budget [i] .amount)
+				ret |= (1 << i);
+		}
+
+		switch(type) {
+		case ISDN_BUDGET_CHECK_DIAL:
+			if(! ret) {
+				lp->budget [ISDN_BUDGET_DIAL] .used++;
+				lp->budget [ISDN_BUDGET_DIAL] .last_check = CURRENT_TIME;
+			}
+			break;
+
+		case ISDN_BUDGET_CHECK_CHARGE:
+			lp->budget [ISDN_BUDGET_CHARGE] .used++;
+			lp->budget [ISDN_BUDGET_CHARGE] .last_check = CURRENT_TIME;
+			break;
+
+		case ISDN_BUDGET_CHECK_ONLINE:
+			if(lp->budget [ISDN_BUDGET_ONLINE] .last_check) {
+				lp->budget [ISDN_BUDGET_ONLINE] .used += (CURRENT_TIME - lp->budget [ISDN_BUDGET_ONLINE] .last_check);
+			}
+
+			lp->budget [ISDN_BUDGET_ONLINE] .last_check = CURRENT_TIME;
+			break;
+		}
+
+/*
+		if(ret)
+			lp->flags |= ISDN_NET_DM_OFF;
+*/
+		for(i = 0; i < ISDN_BUDGET_NUM_BUDGET; i++) {
+			if(ret & (1 << i) && ! lp->budget [i] .notified) {
+				switch(i) {
+				case ISDN_BUDGET_DIAL:
+					printk(KERN_WARNING "isdn_budget: dial budget used up.\n");
+					break;
+
+				case ISDN_BUDGET_CHARGE:
+					printk(KERN_WARNING "isdn_budget: charge budget used up.\n");
+					break;
+
+				case ISDN_BUDGET_ONLINE:
+					printk(KERN_WARNING "isdn_budget: online budget used up.\n");
+					break;
+
+				default:
+					printk(KERN_WARNING "isdn_budget: budget #%d used up.\n", i);
+					break;
+				}
+
+				lp->budget [i] .notified = 1;
+			}
+		}
+
+		return(ret);
+		break;
+
+	case ISDN_BUDGET_START_ONLINE:
+		lp->budget [ISDN_BUDGET_ONLINE] .last_check = CURRENT_TIME;
+		return(0);
+
+		break;
+	}
+
+	return(-1);
+}
+
+
+int
+isdn_budget_ioctl(isdn_ioctl_budget *iocmd) {
+	isdn_net_dev		*p = isdn_net_findif(iocmd->name);
+
+	if(p) {
+		switch(iocmd->command) {
+		case ISDN_BUDGET_SET_BUDGET:
+			if(! suser())
+				return(-EPERM);
+
+			if(iocmd->budget < 0 || iocmd->budget > ISDN_BUDGET_NUM_BUDGET)
+				return(-EINVAL);
+
+			if(iocmd->amount < 0)
+				iocmd->amount = -1;
+
+			p->local->budget [iocmd->budget] .amount = iocmd->amount;
+			p->local->budget [iocmd->budget] .period = iocmd->period;
+
+			if(iocmd->used <= 0)
+				p->local->budget [iocmd->budget] .used = 0;
+			else
+				p->local->budget [iocmd->budget] .used = iocmd->used;
+
+			if(iocmd->period_started == (time_t)0)
+				p->local->budget [iocmd->budget] .period_started = CURRENT_TIME;
+			else
+				p->local->budget [iocmd->budget] .period_started = iocmd->period_started;
+
+			return(0);
+			break;
+
+		case ISDN_BUDGET_GET_BUDGET:
+			if(iocmd->budget < 0 || iocmd->budget > ISDN_BUDGET_NUM_BUDGET)
+				return(-EINVAL);
+
+			iocmd->amount = p->local->budget [iocmd->budget] .amount;
+			iocmd->used = p->local->budget [iocmd->budget] .used;
+			iocmd->period = p->local->budget [iocmd->budget] .period;
+			iocmd->period_started = p->local->budget [iocmd->budget] .period_started;
+
+			return(0);
+			break;
+
+		default:
+			return(-EINVAL);
+			break;
+		}
+	}
+	return(-ENODEV);
+}
+#endif