X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/8ed6b75f5ff7cdf8f9cea56ed63282d4547f2f0b..fe6308444e984e58a869c4f3efe7fb854ac71ab4:/autothrottle.c?ds=sidebyside

diff --git a/autothrottle.c b/autothrottle.c
index 4d985a2..f631877 100644
--- a/autothrottle.c
+++ b/autothrottle.c
@@ -1,42 +1,110 @@
 #include <string.h>
-#include <malloc.h>
-#include <stdlib.h>
-#include <sys/wait.h>
-#include <sys/types.h>
 #include "l2tpns.h"
 #include "plugin.h"
-#include "control.h"
 
-int __plugin_api_version = 1;
-struct pluginfuncs p;
+/* set up throttling based on RADIUS reply */
+
+char const *cvs_id = "$Id: autothrottle.c,v 1.10 2004-11-29 02:17:17 bodea Exp $";
+
+int plugin_api_version = PLUGIN_API_VERSION;
+struct pluginfuncs *p;
+
+#define THROTTLE_KEY "lcp:interface-config"
 
 int plugin_radius_response(struct param_radius_response *data)
 {
-	if (strcmp(data->key, "throttle") == 0)
+	char *t;
+	int i = 0;
+	int rate;
+
+	if (strncmp(data->key, THROTTLE_KEY, strlen(THROTTLE_KEY)) == 0)
+	{
+		char *pt = strdup(data->value);
+		while ((t = strsep(&pt, " ")) != NULL)
+		{
+			if (strcmp(t, "serv") == 0)
+				i = 1;
+			else if (strcmp(t, "o") && i == 1)
+				i = 2;
+			else if (strcmp(t, "i") && i == 1)
+				i = 3;
+			else if (i > 1 && (rate = atoi(t)) > 0)
+			{
+				switch (i)
+				{
+					case 2: // output
+						data->s->throttle_out = rate;
+						free(pt);
+						p->log(3, p->get_id_by_session(data->s), data->s->tunnel,
+							"      Set output throttle rate %dkb/s\n", rate);
+
+						return PLUGIN_RET_OK;
+
+					case 3: //input
+						data->s->throttle_in = rate;
+						free(pt);
+						p->log(3, p->get_id_by_session(data->s), data->s->tunnel,
+							"      Set input throttle rate %dkb/s\n", rate);
+
+						return PLUGIN_RET_OK;
+
+					default:
+						p->log(1, p->get_id_by_session(data->s), data->s->tunnel,
+							"Syntax error in rate limit AV pair: %s=%s\n", data->key, data->value);
+
+						free(pt);
+						return PLUGIN_RET_OK;
+				}
+			}
+			else
+			{
+				free(pt);
+				p->log(1, p->get_id_by_session(data->s), data->s->tunnel,
+					"Syntax error in rate limit AV pair: %s=%s\n",
+					data->key, data->value);
+
+				return PLUGIN_RET_OK;
+			}
+		}
+		free(pt);
+	}
+	else if (strcmp(data->key, "throttle") == 0)
 	{
 		if (strcmp(data->value, "yes") == 0)
 		{
-			p.log(3, 0, 0, 0, "         Throttling user\n");
-			data->s->throttle = 1;
+		    	unsigned long *rate = p->getconfig("throttle_speed", UNSIGNED_LONG);
+			if (rate)
+			{
+				if (*rate)
+					p->log(3, p->get_id_by_session(data->s), data->s->tunnel,
+						"         Throttling user to %dkb/s\n", *rate);
+				else
+					p->log(3, p->get_id_by_session(data->s), data->s->tunnel,
+						"         Not throttling user (throttle_speed=0)\n");
+
+				data->s->throttle_in = data->s->throttle_out = *rate;
+			}
+			else
+				p->log(1, p->get_id_by_session(data->s), data->s->tunnel,
+					"Not throttling user (can't get throttle_speed)\n");
 		}
 		else if (strcmp(data->value, "no") == 0)
 		{
-			p.log(3, 0, 0, 0, "         Not throttling user\n");
-			data->s->throttle = 0;
+			p->log(3, p->get_id_by_session(data->s), data->s->tunnel,
+				"         Not throttling user\n");
+
+			data->s->throttle_in = data->s->throttle_out = 0;
 		}
 	}
-	return PLUGIN_RET_OK;
-}
 
-int plugin_init(struct pluginfuncs *funcs)
-{
-	if (!funcs) return 0;
-	memcpy(&p, funcs, sizeof(p));
+	p->log(4, p->get_id_by_session(data->s), data->s->tunnel,
+		"autothrottle module ignoring AV pair %s=%s\n",
+		data->key, data->value);
 
-	return 1;
+	return PLUGIN_RET_OK;
 }
 
-void plugin_done()
+int plugin_init(struct pluginfuncs *funcs)
 {
+	return ((p = funcs)) ? 1 : 0;
 }
-