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#include <vnet/vnet.h>
#include <http_static/http_static.h>
#include <mactime/mactime.h>
#include <vlib/unix/plugin.h>
#include <vnet/ip-neighbor/ip_neighbor.h>
static walk_rc_t
mactime_ip_neighbor_copy (index_t ipni, void *ctx)
{
mactime_main_t *mm = ctx;
vec_add1 (mm->arp_cache_copy, ipni);
return (WALK_CONTINUE);
}
static int
handle_get_mactime (http_req_method_t reqtype, u8 *request, hss_session_t *hs)
{
mactime_main_t *mm = &mactime_main;
mactime_device_t *dp;
u8 *macstring = 0;
char *status_string;
u32 *pool_indices = 0;
int current_status = 99;
int i, j;
f64 now;
vlib_counter_t allow, drop;
ip_neighbor_t *n;
char *q = "\"";
u8 *s = 0;
int need_comma = 0;
/* Walk all ip4 neighbours on all interfaces */
vec_reset_length (mm->arp_cache_copy);
ip_neighbor_walk (AF_IP4, ~0, mactime_ip_neighbor_copy, mm);
now = clib_timebase_now (&mm->timebase);
if (PREDICT_FALSE ((now - mm->sunday_midnight) > 86400.0 * 7.0))
mm->sunday_midnight = clib_timebase_find_sunday_midnight (now);
pool_foreach (dp, mm->devices)
{
vec_add1 (pool_indices, dp - mm->devices);
}
s = format (s, "{%smactime%s: [\n", q, q);
for (i = 0; i < vec_len (pool_indices); i++)
{
dp = pool_elt_at_index (mm->devices, pool_indices[i]);
/* Check dynamic ranges */
for (j = 0; j < vec_len (dp->ranges); j++)
{
clib_timebase_range_t *r = dp->ranges + j;
f64 start0, end0;
start0 = r->start + mm->sunday_midnight;
end0 = r->end + mm->sunday_midnight;
if (now >= start0 && now <= end0)
{
if (dp->flags & MACTIME_DEVICE_FLAG_DYNAMIC_ALLOW)
current_status = 3;
else if (dp->flags & MACTIME_DEVICE_FLAG_DYNAMIC_ALLOW_QUOTA)
current_status = 5;
else
current_status = 2;
goto print;
}
}
if (dp->flags & MACTIME_DEVICE_FLAG_STATIC_DROP)
current_status = 0;
if (dp->flags & MACTIME_DEVICE_FLAG_STATIC_ALLOW)
current_status = 1;
if (dp->flags & MACTIME_DEVICE_FLAG_DYNAMIC_ALLOW)
current_status = 2;
if (dp->flags & MACTIME_DEVICE_FLAG_DYNAMIC_DROP)
current_status = 3;
if (dp->flags & MACTIME_DEVICE_FLAG_DYNAMIC_ALLOW_QUOTA)
current_status = 4;
print:
vec_reset_length (macstring);
macstring = format (0, "%U", format_mac_address, dp->mac_address);
if (need_comma)
s = format (s, "},\n");
need_comma = 1;
s = format (s, "{%smac_address%s: %s%s%s, ", q, q, q, macstring, q);
switch (current_status)
{
case 0:
status_string = "static drop";
break;
case 1:
status_string = "static allow";
break;
case 2:
status_string = "dynamic drop";
break;
case 3:
status_string = "dynamic allow";
break;
case 4:
status_string = "d-quota inact";
break;
case 5:
status_string = "d-quota activ";
break;
default:
status_string = "code bug!";
break;
}
vlib_get_combined_counter (&mm->allow_counters, dp - mm->devices,
&allow);
vlib_get_combined_counter (&mm->drop_counters, dp - mm->devices, &drop);
s = format (s, "%sname%s: %s%s%s, %sstatus%s: %s%s%s,",
q, q, q, dp->device_name, q, q, q, q, status_string, q);
s = format (s, "%sallow_pkts%s: %lld,", q, q, allow.packets);
s = format (s, "%sallow_bytes%s: %lld,", q, q, allow.bytes);
s = format (s, "%sdrop_pkts%s: %lld", q, q, drop.packets);
for (j = 0; j < vec_len (mm->arp_cache_copy); j++)
{
n = ip_neighbor_get (mm->arp_cache_copy[j]);
if (!memcmp (dp->mac_address,
ip_neighbor_get_mac (n), sizeof (mac_address_t)))
{
s = format (s, ", %sip4_address%s: %s%U%s", q, q,
q, format_ip46_address,
ip_neighbor_get_ip (n), IP46_TYPE_IP4, q);
break;
}
}
}
if (need_comma)
s = format (s, "}\n");
s = format (s, "]}\n");
vec_free (macstring);
vec_free (pool_indices);
hs->data = s;
hs->data_offset = 0;
hs->cache_pool_index = ~0;
hs->free_data = 1;
return 0;
}
void
mactime_url_init (vlib_main_t * vm)
{
void (*fp) (void *, char *, int);
/* Look up the builtin URL registration handler */
fp = vlib_get_plugin_symbol ("http_static_plugin.so",
"hss_register_url_handler");
if (fp == 0)
{
clib_warning ("http_static_plugin.so not loaded...");
return;
}
(*fp) (handle_get_mactime, "mactime.json", HTTP_REQ_GET);
}
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
|
