l2tpns/autothrottle.c
fred_nerk 90ebb19a3d Per-user upload and download throttle rates - Yuri
Make autothrottle.so understand cisco lcp:interface-config - Yuri
Show filter stats in show session - Yuri
2004-08-26 06:22:37 +00:00

92 lines
2.2 KiB
C

#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;
#define THROTTLE_KEY "lcp:interface-config"
int plugin_radius_response(struct param_radius_response *data)
{
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 |= (rate & 0xFFFF);
free(pt);
p->log(3, 0, 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 |= (rate << 16);
free(pt);
p->log(3, 0, 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, 0, 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, 0, 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, p->get_id_by_session(data->s), data->s->tunnel, " Throttling user\n");
data->s->throttle = 1;
}
else if (strcmp(data->value, "no") == 0)
{
p->log(3, 0, p->get_id_by_session(data->s), data->s->tunnel, " Not throttling user\n");
data->s->throttle = 0;
}
}
p->log(4, 0, p->get_id_by_session(data->s), data->s->tunnel, "autothrottle module ignoring AV pair %s=%s\n",
data->key, data->value);
return PLUGIN_RET_OK;
}
int plugin_init(struct pluginfuncs *funcs)
{
return ((p = funcs)) ? 1 : 0;
}
void plugin_done()
{
}