*/
#include <vppinfra/mem.h>
-#include <vpp/stats/stats.h>
+#include <vlib/vlib.h>
+#include <vlib/unix/unix.h>
+#include "stat_segment.h"
+#include <vnet/vnet.h>
+#include <vnet/devices/devices.h> /* vnet_get_aggregate_rx_packets */
#undef HAVE_MEMFD_CREATE
#include <vppinfra/linux/syscall.h>
+stat_segment_main_t stat_segment_main;
+
/*
* Used only by VPP writers
*/
void
vlib_stat_segment_lock (void)
{
- stats_main_t *sm = &stats_main;
+ stat_segment_main_t *sm = &stat_segment_main;
clib_spinlock_lock (sm->stat_segment_lockp);
sm->shared_header->in_progress = 1;
}
void
vlib_stat_segment_unlock (void)
{
- stats_main_t *sm = &stats_main;
+ stat_segment_main_t *sm = &stat_segment_main;
sm->shared_header->epoch++;
sm->shared_header->in_progress = 0;
clib_spinlock_unlock (sm->stat_segment_lockp);
void *
vlib_stats_push_heap (void)
{
- stats_main_t *sm = &stats_main;
+ stat_segment_main_t *sm = &stat_segment_main;
ASSERT (sm && sm->shared_header);
return clib_mem_set_heap (sm->heap);
static u32
lookup_or_create_hash_index (void *oldheap, char *name, u32 next_vector_index)
{
- stats_main_t *sm = &stats_main;
+ stat_segment_main_t *sm = &stat_segment_main;
u32 index;
hash_pair_t *hp;
vlib_stats_pop_heap (void *cm_arg, void *oldheap, stat_directory_type_t type)
{
vlib_simple_counter_main_t *cm = (vlib_simple_counter_main_t *) cm_arg;
- stats_main_t *sm = &stats_main;
+ stat_segment_main_t *sm = &stat_segment_main;
stat_segment_shared_header_t *shared_header = sm->shared_header;
char *stat_segment_name;
stat_segment_directory_entry_t e = { 0 };
void
vlib_stats_register_error_index (u8 * name, u64 * em_vec, u64 index)
{
- stats_main_t *sm = &stats_main;
+ stat_segment_main_t *sm = &stat_segment_main;
stat_segment_shared_header_t *shared_header = sm->shared_header;
stat_segment_directory_entry_t e;
hash_pair_t *hp;
e.name[vec_len (name)] = '\0';
e.type = STAT_DIR_TYPE_ERROR_INDEX;
e.offset = index;
+ e.offset_vector = 0;
vec_add1 (sm->directory_vector, e);
/* Warn clients to refresh any pointers they might be holding */
static void
stat_validate_counter_vector (stat_segment_directory_entry_t * ep, u32 max)
{
- stats_main_t *sm = &stats_main;
+ stat_segment_main_t *sm = &stat_segment_main;
stat_segment_shared_header_t *shared_header = sm->shared_header;
counter_t **counters = 0;
vlib_thread_main_t *tm = vlib_get_thread_main ();
void
vlib_stats_pop_heap2 (u64 * error_vector, u32 thread_index, void *oldheap)
{
- stats_main_t *sm = &stats_main;
+ stat_segment_main_t *sm = &stat_segment_main;
stat_segment_shared_header_t *shared_header = sm->shared_header;
ASSERT (shared_header);
clib_error_t *
vlib_map_stat_segment_init (void)
{
- stats_main_t *sm = &stats_main;
+ stat_segment_main_t *sm = &stat_segment_main;
stat_segment_shared_header_t *shared_header;
stat_segment_directory_entry_t *ep;
unformat_input_t * input,
vlib_cli_command_t * cmd)
{
- stats_main_t *sm = &stats_main;
+ stat_segment_main_t *sm = &stat_segment_main;
counter_t *counter;
hash_pair_t *p;
stat_segment_directory_entry_t *show_data, *this;
*/
static inline void
-update_node_counters (stats_main_t * sm)
+update_node_counters (stat_segment_main_t * sm)
{
vlib_main_t *vm = vlib_mains[0];
vlib_main_t **stat_vms = 0;
}
}
-/*
- * Called by stats_thread_fn, in stats.c, which runs in a
- * separate pthread, which won't halt the parade
- * in single-forwarding-core cases.
- */
-
-void
-do_stat_segment_updates (stats_main_t * sm)
+static void
+do_stat_segment_updates (stat_segment_main_t * sm)
{
vlib_main_t *vm = vlib_mains[0];
f64 vector_rate;
sm->directory_vector[STAT_COUNTER_HEARTBEAT].value++;
}
+/*
+ * Accept connection on the socket and exchange the fd for the shared
+ * memory segment.
+ */
+static clib_error_t *
+stats_socket_accept_ready (clib_file_t * uf)
+{
+ stat_segment_main_t *sm = &stat_segment_main;
+ clib_error_t *err;
+ clib_socket_t client = { 0 };
+
+ err = clib_socket_accept (sm->socket, &client);
+ if (err)
+ {
+ clib_error_report (err);
+ return err;
+ }
+
+ /* Send the fd across and close */
+ err = clib_socket_sendmsg (&client, 0, 0, &sm->memfd, 1);
+ if (err)
+ clib_error_report (err);
+ clib_socket_close (&client);
+
+ return 0;
+}
+
+static void
+stats_segment_socket_init (void)
+{
+ stat_segment_main_t *sm = &stat_segment_main;
+ clib_error_t *error;
+ clib_socket_t *s = clib_mem_alloc (sizeof (clib_socket_t));
+
+ s->config = (char *) sm->socket_name;
+ s->flags = CLIB_SOCKET_F_IS_SERVER | CLIB_SOCKET_F_SEQPACKET |
+ CLIB_SOCKET_F_ALLOW_GROUP_WRITE | CLIB_SOCKET_F_PASSCRED;
+ if ((error = clib_socket_init (s)))
+ {
+ clib_error_report (error);
+ return;
+ }
+
+ clib_file_t template = { 0 };
+ template.read_function = stats_socket_accept_ready;
+ template.file_descriptor = s->fd;
+ template.description =
+ format (0, "stats segment listener %s", STAT_SEGMENT_SOCKET_FILE);
+ clib_file_add (&file_main, &template);
+
+ sm->socket = s;
+}
+
+static uword
+stat_segment_collector_process (vlib_main_t * vm, vlib_node_runtime_t * rt,
+ vlib_frame_t * f)
+{
+ stat_segment_main_t *sm = &stat_segment_main;
+
+ /* Wait for Godot... */
+ f64 sleep_duration = 10;
+
+ while (1)
+ {
+ do_stat_segment_updates (sm);
+ vlib_process_suspend (vm, sleep_duration);
+ }
+ return 0; /* or not */
+}
+
+static clib_error_t *
+statseg_init (vlib_main_t * vm)
+{
+ stat_segment_main_t *sm = &stat_segment_main;
+ clib_error_t *error;
+
+ if ((error = vlib_call_init_function (vm, unix_input_init)))
+ return error;
+
+ if (sm->socket_name)
+ stats_segment_socket_init ();
+
+ return 0;
+}
+
static clib_error_t *
statseg_config (vlib_main_t * vm, unformat_input_t * input)
{
- stats_main_t *sm = &stats_main;
- uword ms;
+ stat_segment_main_t *sm = &stat_segment_main;
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
- if (unformat (input, "size %U", unformat_memory_size, &sm->memory_size))
+ if (unformat (input, "socket-name %s", &sm->socket_name))
+ ;
+ else if (unformat (input, "default"))
+ sm->socket_name = format (0, "%s", STAT_SEGMENT_SOCKET_FILE);
+ else
+ if (unformat
+ (input, "size %U", unformat_memory_size, &sm->memory_size))
;
else if (unformat (input, "per-node-counters on"))
sm->node_counters_enabled = 1;
return 0;
}
+VLIB_INIT_FUNCTION (statseg_init);
VLIB_EARLY_CONFIG_FUNCTION (statseg_config, "statseg");
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (stat_segment_collector, static) =
+{
+.function = stat_segment_collector_process,.name =
+ "statseg-collector-process",.type = VLIB_NODE_TYPE_PROCESS,};
+
+/* *INDENT-ON* */
+
/*
* fd.io coding-style-patch-verification: ON
*