aboutsummaryrefslogtreecommitdiffstats
path: root/src/plugins/mactime/mactime_top.c
diff options
context:
space:
mode:
authorDave Barach <dave@barachs.net>2019-10-07 12:04:31 -0400
committerFlorin Coras <florin.coras@gmail.com>2019-10-07 17:46:16 +0000
commit2c41a61d5fc87737b9b46b88cb9271d0f987721e (patch)
tree6ef31361cdc9d55f1be3c9d939f2a2a8c0f6a586 /src/plugins/mactime/mactime_top.c
parent0eb75d0e9c7624a4e8ac69fea7dbe12d39b75096 (diff)
mactime: add a "top" command to watch device stats
Include a binary API change NOT suitable for cherry-picking into 19.08 Type: feature Signed-off-by: Dave Barach <dave@barachs.net> Change-Id: Id369514a3085f5e4bcee34819c55c4636df9b518
Diffstat (limited to 'src/plugins/mactime/mactime_top.c')
-rw-r--r--src/plugins/mactime/mactime_top.c505
1 files changed, 505 insertions, 0 deletions
diff --git a/src/plugins/mactime/mactime_top.c b/src/plugins/mactime/mactime_top.c
new file mode 100644
index 00000000000..df7c755111f
--- /dev/null
+++ b/src/plugins/mactime/mactime_top.c
@@ -0,0 +1,505 @@
+#include <vppinfra/time.h>
+#include <vppinfra/hash.h>
+#include <vppinfra/pool.h>
+#include <vpp/stats/stat_segment.h>
+#include <vpp-api/client/stat_client.h>
+#include <vppinfra/vec.h>
+#include <mactime/mactime_device.h>
+#include <vlibapi/api_common.h>
+#include <vlibmemory/memory_client.h>
+#include <vlibmemory/api.h>
+#include <vnet/api_errno.h>
+#include <svm/queue.h>
+
+/* define message IDs */
+#include <mactime/mactime.api_enum.h>
+#include <mactime/mactime.api_types.h>
+
+typedef struct
+{
+ /* device database */
+ uword *device_by_device_name;
+ mactime_device_t *devices;
+ u32 my_table_epoch;
+
+ /* Stat segment variables */
+ stat_client_main_t *stat_client_main;
+ u8 **pattern1, **pattern2;
+ u32 *ls_result1, *ls_result2;
+ vlib_counter_t *allow_counters;
+ vlib_counter_t *drop_counters;
+
+ /* Timebase */
+ clib_time_t clib_time;
+ clib_timebase_t timebase;
+ f64 timezone_offset;
+ f64 sunday_midnight;
+
+ /* API message-handling */
+ svm_queue_t *vl_input_queue;
+ u32 my_client_index;
+ u16 msg_id_base;
+ volatile u32 result_ready;
+ volatile i32 retval;
+} mt_main_t;
+
+mt_main_t mt_main;
+
+/* Indispensable for debugging in gdb... */
+
+u32
+vl (void *x)
+{
+ return vec_len (x);
+}
+
+#define foreach_mactime_api_msg \
+_(MACTIME_DUMP_REPLY, mactime_dump_reply) \
+_(MACTIME_DETAILS, mactime_details)
+
+static void vl_api_mactime_dump_reply_t_handler
+ (vl_api_mactime_dump_reply_t * mp)
+{
+ mt_main_t *mm = &mt_main;
+ i32 retval = clib_net_to_host_u32 (mp->retval);
+
+ mm->retval = retval;
+ mm->result_ready = 1;
+}
+
+static void
+vl_api_mactime_details_t_handler (vl_api_mactime_details_t * mp)
+{
+ mt_main_t *mm = &mt_main;
+ mactime_device_t *dev;
+ int i;
+ clib_timebase_range_t *rp;
+ uword *p;
+
+ if (PREDICT_FALSE (mm->device_by_device_name == 0))
+ mm->device_by_device_name = hash_create_string (0, sizeof (uword));
+
+ p = hash_get_mem (mm->device_by_device_name, mp->device_name);
+ if (p)
+ dev = pool_elt_at_index (mm->devices, p[0]);
+ else
+ {
+ u8 *hash_name_copy = format (0, "%s%c", mp->device_name, 0);
+ pool_get (mm->devices, dev);
+ memset (dev, 0, sizeof (*dev));
+ dev->device_name = vec_dup (hash_name_copy);
+ hash_set_mem (mm->device_by_device_name, hash_name_copy,
+ dev - mm->devices);
+ }
+
+ clib_memcpy_fast (dev->mac_address, mp->mac_address,
+ sizeof (dev->mac_address));
+ dev->data_quota = clib_net_to_host_u64 (mp->data_quota);
+ dev->data_used_in_range = clib_net_to_host_u64 (mp->data_used_in_range);
+ dev->flags = clib_net_to_host_u32 (mp->flags);
+ dev->pool_index = clib_net_to_host_u32 (mp->pool_index);
+ vec_reset_length (dev->ranges);
+ for (i = 0; i < clib_net_to_host_u32 (mp->nranges); i++)
+ {
+ vec_add2 (dev->ranges, rp, 1);
+ rp->start = mp->ranges[i].start;
+ rp->end = mp->ranges[i].end;
+ }
+}
+
+#define vl_print(handle, ...) fformat(handle, __VA_ARGS__)
+
+#define vl_endianfun
+#define vl_printfun
+#define vl_api_version(n,v) static u32 api_version = v;
+#include <mactime/mactime.api.h>
+#undef vl_api_version
+#undef vl_printfun
+#undef vl_endianfun
+
+static int
+connect_to_vpp (char *name)
+{
+ api_main_t *am = &api_main;
+ mt_main_t *mm = &mt_main;
+ u8 *msg_base_lookup_name;
+
+ if (vl_client_connect_to_vlib ("/vpe-api", name, 32) < 0)
+ return -1;
+
+ mm->vl_input_queue = am->shmem_hdr->vl_input_queue;
+ mm->my_client_index = am->my_client_index;
+
+ msg_base_lookup_name = format (0, "mactime_%08x%c", api_version, 0);
+
+ mm->msg_id_base = vl_client_get_first_plugin_msg_id
+ ((char *) msg_base_lookup_name);
+
+ vec_free (msg_base_lookup_name);
+
+ if (mm->msg_id_base == ~0)
+ return -1;
+
+#define _(N,n) \
+ vl_msg_api_set_handlers((VL_API_##N + mm->msg_id_base), \
+ #n, \
+ vl_api_##n##_t_handler, \
+ vl_noop_handler, \
+ vl_api_##n##_t_endian, \
+ vl_api_##n##_t_print, \
+ sizeof(vl_api_##n##_t), 1);
+ foreach_mactime_api_msg;
+#undef _
+
+ return 0;
+}
+
+static void
+dump_mactime_table (mt_main_t * mm)
+{
+ vl_api_mactime_dump_t *mp;
+ u32 deadman_counter = 1000;
+
+ /* Send the dump request */
+ mp = vl_msg_api_alloc (sizeof (*mp));
+ memset (mp, 0, sizeof (*mp));
+ mp->_vl_msg_id =
+ clib_host_to_net_u16 (VL_API_MACTIME_DUMP + mm->msg_id_base);
+ mp->client_index = mm->my_client_index;
+ mp->my_table_epoch = mm->my_table_epoch;
+ vl_msg_api_send_shmem (mm->vl_input_queue, (u8 *) & mp);
+
+ /* Wait up to 1 second for vpp to reply */
+ while (deadman_counter-- && mm->result_ready == 0)
+ unix_sleep (1e-3);
+
+ if (mm->retval && (mm->retval != VNET_API_ERROR_NO_CHANGE))
+ clib_warning ("dump reply %d", mm->retval);
+
+}
+
+static void
+scrape_stats_segment (mt_main_t * mm)
+{
+ vlib_counter_t **counters_by_thread;
+ vlib_counter_t *counters;
+ u64 *offset_vector;
+ mactime_device_t *dev;
+ stat_segment_access_t sa;
+ stat_client_main_t *sm = mm->stat_client_main;
+ stat_segment_directory_entry_t *ep;
+ int need_update2 = 0;
+ static u32 *pool_indices;
+ int i, j;
+
+ vec_reset_length (pool_indices);
+ /* *INDENT-OFF* */
+ pool_foreach (dev, mm->devices,
+ ({
+ vec_add1 (pool_indices, dev->pool_index);
+ }));
+ /* *INDENT-ON* */
+
+ /* Nothing to do... */
+ if (vec_len (pool_indices) == 0)
+ return;
+
+again1:
+
+ /* Has directory been updated? */
+ if (mm->ls_result1 == 0 || (sm->shared_header->epoch != sm->current_epoch))
+ {
+ need_update2 = 1;
+ vec_free (mm->ls_result1);
+ mm->ls_result1 = stat_segment_ls (mm->pattern1);
+ }
+
+ stat_segment_access_start (&sa, sm);
+
+ ep = vec_elt_at_index (sm->directory_vector, mm->ls_result1[0]);
+ counters_by_thread = stat_segment_pointer (sm->shared_header, ep->offset);
+ offset_vector = stat_segment_pointer (sm->shared_header, ep->offset_vector);
+
+ for (i = 0; i < vec_len (pool_indices); i++)
+ {
+ u32 index = pool_indices[i];
+
+ vec_validate (mm->allow_counters, index);
+ mm->allow_counters[index].packets = 0;
+ mm->allow_counters[index].bytes = 0;
+
+ for (j = 0; j < vec_len (counters_by_thread); j++)
+ {
+ counters = stat_segment_pointer (sm->shared_header,
+ offset_vector[j]);
+ mm->allow_counters[index].packets += counters[index].packets;
+ mm->allow_counters[index].bytes += counters[index].bytes;
+ }
+ }
+
+ /* Ugh, segment changed during access. Try again */
+ if (stat_segment_access_end (&sa, sm))
+ goto again1;
+
+ /* Has directory been updated? */
+ if (mm->ls_result2 == 0 || need_update2)
+ {
+ vec_free (mm->ls_result2);
+ mm->ls_result2 = stat_segment_ls (mm->pattern2);
+ }
+
+again2:
+ stat_segment_access_start (&sa, sm);
+
+ ep = vec_elt_at_index (sm->directory_vector, mm->ls_result2[0]);
+ counters_by_thread = stat_segment_pointer (sm->shared_header, ep->offset);
+ offset_vector = stat_segment_pointer (sm->shared_header, ep->offset_vector);
+
+ for (i = 0; i < vec_len (pool_indices); i++)
+ {
+ u32 index = pool_indices[i];
+
+ vec_validate (mm->drop_counters, index);
+ mm->drop_counters[index].packets = 0;
+ mm->drop_counters[index].bytes = 0;
+
+ for (j = 0; j < vec_len (counters_by_thread); j++)
+ {
+ counters = stat_segment_pointer (sm->shared_header,
+ offset_vector[j]);
+ mm->drop_counters[index].packets += counters[index].packets;
+ mm->drop_counters[index].bytes += counters[index].bytes;
+ }
+ }
+ /* Ugh, segment changed during access. Try again */
+ if (stat_segment_access_end (&sa, sm))
+ goto again2;
+}
+
+static u8 *
+format_mac_address (u8 * s, va_list * args)
+{
+ u8 *a = va_arg (*args, u8 *);
+
+ return format (s, "%02x:%02x:%02x:%02x:%02x:%02x",
+ a[0], a[1], a[2], a[3], a[4], a[5]);
+}
+
+static u8 *
+format_bytes_with_width (u8 * s, va_list * va)
+{
+ uword nbytes = va_arg (*va, u64);
+ int width = va_arg (*va, int);
+ f64 nbytes_f64;
+ u8 *fmt;
+ char *suffix = "";
+
+ if (width > 0)
+ fmt = format (0, "%%%d.3f%%s%c", width, 0);
+ else
+ fmt = format (0, "%%.3f%%s%c", 0);
+
+ if (nbytes > (1024ULL * 1024ULL * 1024ULL))
+ {
+ nbytes_f64 = ((f64) nbytes) / (1024.0 * 1024.0 * 1024.0);
+ suffix = "G";
+ }
+ else if (nbytes > (1024ULL * 1024ULL))
+ {
+ nbytes_f64 = ((f64) nbytes) / (1024.0 * 1024.0);
+ suffix = "M";
+ }
+ else if (nbytes > 1024ULL)
+ {
+ nbytes_f64 = ((f64) nbytes) / (1024.0);
+ suffix = "K";
+ }
+ else
+ {
+ nbytes_f64 = (f64) nbytes;
+ suffix = "B";
+ }
+
+ s = format (s, (char *) fmt, nbytes_f64, suffix);
+ vec_free (fmt);
+ return s;
+}
+
+static u8 *
+format_device (u8 * s, va_list * args)
+{
+ mactime_device_t *dp = va_arg (*args, mactime_device_t *);
+ mt_main_t *mm = &mt_main;
+ int verbose = va_arg (*args, int);
+ int current_status = 99;
+ char *status_string;
+ u8 *macstring = 0;
+ f64 now;
+ int j;
+
+ if (dp == 0)
+ {
+ s = format (s, "%-15s %5s %18s %14s %10s %11s %13s",
+ "Device Name", "Index", "Addresses", "Status",
+ "AllowPkt", "AllowByte", "DropPkt");
+ vec_add1 (s, '\n');
+ return s;
+ }
+
+ 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);
+
+ /* 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 (verbose)
+ s = format (s, " Range %d: %U - %U\n", j,
+ format_clib_timebase_time, start0,
+ format_clib_timebase_time, end0);
+
+ 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;
+ if (verbose)
+ {
+ s = format (s, " Time in range %d:", j);
+ s = format (s, " %U - %U\n",
+ format_clib_timebase_time, start0,
+ format_clib_timebase_time, end0);
+ }
+ goto print;
+ }
+ }
+ if (verbose && j)
+ s = format (s, " No range match.\n");
+ 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:
+ macstring = format (0, "%U", format_mac_address, dp->mac_address);
+ 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;
+ }
+
+ s = format (s, "%-15s %5d %18s %14s %10lld %U %13lld\n",
+ dp->device_name, dp->pool_index, macstring, status_string,
+ mm->allow_counters[dp->pool_index].packets,
+ format_bytes_with_width,
+ mm->allow_counters[dp->pool_index].bytes, 10,
+ mm->drop_counters[dp->pool_index].packets);
+ vec_free (macstring);
+
+ if (dp->data_quota > 0)
+ {
+ s = format (s, "%-59s %s%U %s%U", " ", "Quota ",
+ format_bytes_with_width, dp->data_quota, 10,
+ "Use ", format_bytes_with_width, dp->data_used_in_range, 8);
+ vec_add1 (s, '\n');
+ }
+ return s;
+}
+
+static void
+print_device_table (mt_main_t * mm)
+{
+ mactime_device_t *dev;
+
+ fformat (stdout, "%U", format_device, 0 /* header */ , 0 /* verbose */ );
+ /* *INDENT-OFF* */
+ pool_foreach (dev, mm->devices,
+ ({
+ fformat (stdout, "%U", format_device, dev, 0 /* verbose */);
+ }));
+ /* *INDENT-ON* */
+}
+
+int
+main (int argc, char **argv)
+{
+ mt_main_t *mm = &mt_main;
+ extern stat_client_main_t stat_client_main;
+
+ clib_mem_init (0, 64 << 20);
+
+ if (connect_to_vpp ("mactime_top") < 0)
+ {
+ fformat (stderr, "vpp api client connect error\n");
+ exit (1);
+ }
+
+ if (stat_segment_connect (argv[1]) < 0)
+ {
+ fformat (stderr, "stat segment connect error");
+ exit (1);
+ }
+
+ mm->stat_client_main = (stat_client_main_t *) & stat_client_main;
+
+ /* US EDT - $$$ FIXME */
+ clib_time_init (&mm->clib_time);
+ mm->timezone_offset = -5.0;
+ clib_timebase_init (&mm->timebase, mm->timezone_offset,
+ CLIB_TIMEBASE_DAYLIGHT_USA);
+
+ vec_add1 (mm->pattern1, (u8 *) "^/mactime/allow");
+ vec_add1 (mm->pattern2, (u8 *) "^/mactime/drop");
+
+ while (1)
+ {
+ dump_mactime_table (mm);
+ scrape_stats_segment (mm);
+ print_device_table (mm);
+ unix_sleep (5.0);
+ }
+ return 0;
+}
+
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */