summaryrefslogtreecommitdiffstats
path: root/vlib-api/vlibapi/node_serialize.c
diff options
context:
space:
mode:
Diffstat (limited to 'vlib-api/vlibapi/node_serialize.c')
-rw-r--r--vlib-api/vlibapi/node_serialize.c399
1 files changed, 0 insertions, 399 deletions
diff --git a/vlib-api/vlibapi/node_serialize.c b/vlib-api/vlibapi/node_serialize.c
deleted file mode 100644
index 4dc1a7d2272..00000000000
--- a/vlib-api/vlibapi/node_serialize.c
+++ /dev/null
@@ -1,399 +0,0 @@
-/*
- * Copyright (c) 2016 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#include <vlib/vlib.h>
-
-#include <vppinfra/serialize.h>
-
-extern void vl_msg_api_barrier_sync (void);
-extern void vl_msg_api_barrier_release (void);
-
-/* serialized representation of state strings */
-
-#define foreach_state_string_code \
-_(STATE_DONE, "done") \
-_(STATE_DISABLED, "disabled") \
-_(STATE_TIME_WAIT, "time wait") \
-_(STATE_EVENT_WAIT, "event wait") \
-_(STATE_ANY_WAIT, "any wait") \
-_(STATE_POLLING, "polling") \
-_(STATE_INTERRUPT_WAIT, "interrupt wait") \
-_(STATE_INTERNAL, "internal")
-
-typedef enum
-{
-#define _(a,b) a,
- foreach_state_string_code
-#undef _
-} state_string_enum_t;
-
-static char *state_strings[] = {
-#define _(a,b) b,
- foreach_state_string_code
-#undef _
-};
-
-/*
- * Serialize a vlib_node_main_t. Appends the result to vector.
- * Pass 0 to create a new vector, use vec_reset_length(vector)
- * to recycle a vector / avoid memory allocation, etc.
- * Switch heaps before/after to serialize into API client shared memory.
- */
-
-u8 *
-vlib_node_serialize (vlib_node_main_t * nm, u8 * vector,
- u32 max_threads, int include_nexts, int include_stats)
-{
- serialize_main_t _sm, *sm = &_sm;
- vlib_main_t *vm = vlib_get_main ();
- vlib_node_t *n;
- static vlib_node_t ***node_dups;
- vlib_node_t **nodes;
- static vlib_main_t **stat_vms;
- vlib_main_t *stat_vm;
- u8 *namep;
- u32 name_bytes;
- uword i, j, k;
- u64 l, v, c, d;
- state_string_enum_t state_code;
- u32 threads_to_serialize;
-
- vec_reset_length (node_dups);
-
- if (vec_len (stat_vms) == 0)
- {
- if (vec_len (vlib_mains) == 0)
- vec_add1 (stat_vms, vm);
- else
- {
- for (i = 0; i < vec_len (vlib_mains); i++)
- {
- stat_vm = vlib_mains[i];
- if (stat_vm)
- vec_add1 (stat_vms, stat_vm);
- }
- }
- }
-
- threads_to_serialize = clib_min (max_threads, vec_len (stat_vms));
-
- /*
- * Barrier sync across stats scraping.
- * Otherwise, the counts will be grossly inaccurate.
- */
- vl_msg_api_barrier_sync ();
-
- for (j = 0; j < threads_to_serialize; j++)
- {
- stat_vm = stat_vms[j];
- nm = &stat_vm->node_main;
-
- if (include_stats)
- {
- for (i = 0; i < vec_len (nm->nodes); i++)
- {
- n = nm->nodes[i];
- vlib_node_sync_stats (stat_vm, n);
- }
- }
-
- nodes = vec_dup (nm->nodes);
-
- vec_add1 (node_dups, nodes);
- }
- vl_msg_api_barrier_release ();
-
- serialize_open_vector (sm, vector);
-
- serialize_likely_small_unsigned_integer (sm, vec_len (stat_vms));
-
- for (j = 0; j < vec_len (stat_vms); j++)
- {
- stat_vm = stat_vms[j];
- nodes = node_dups[j];
-
- serialize_likely_small_unsigned_integer (sm, vec_len (nodes));
-
- for (i = 0; i < vec_len (nodes); i++)
- {
- n = nodes[i];
-
- l = n->stats_total.clocks - n->stats_last_clear.clocks;
- v = n->stats_total.vectors - n->stats_last_clear.vectors;
- c = n->stats_total.calls - n->stats_last_clear.calls;
- d = n->stats_total.suspends - n->stats_last_clear.suspends;
-
- state_code = STATE_INTERNAL;
-
- if (n->type == VLIB_NODE_TYPE_PROCESS)
- {
- vlib_process_t *p = vlib_get_process_from_node (vm, n);
-
- switch (p->flags
- & (VLIB_PROCESS_IS_SUSPENDED_WAITING_FOR_CLOCK
- | VLIB_PROCESS_IS_SUSPENDED_WAITING_FOR_EVENT))
- {
- default:
- if (!(p->flags & VLIB_PROCESS_IS_RUNNING))
- state_code = STATE_DONE;
- break;
-
- case VLIB_PROCESS_IS_SUSPENDED_WAITING_FOR_CLOCK:
- state_code = STATE_TIME_WAIT;
- break;
-
- case VLIB_PROCESS_IS_SUSPENDED_WAITING_FOR_EVENT:
- state_code = STATE_EVENT_WAIT;
- break;
-
- case (VLIB_PROCESS_IS_SUSPENDED_WAITING_FOR_EVENT | VLIB_PROCESS_IS_SUSPENDED_WAITING_FOR_CLOCK):
- state_code =
- STATE_ANY_WAIT;
- break;
- }
- }
- else if (n->type != VLIB_NODE_TYPE_INTERNAL)
- {
- state_code = STATE_POLLING;
- if (n->state == VLIB_NODE_STATE_DISABLED)
- state_code = STATE_DISABLED;
- else if (n->state == VLIB_NODE_STATE_INTERRUPT)
- state_code = STATE_INTERRUPT_WAIT;
- }
-
- /* See unserialize_cstring */
- name_bytes = vec_len (n->name);
- serialize_likely_small_unsigned_integer (sm, name_bytes);
- namep = serialize_get (sm, name_bytes);
- memcpy (namep, n->name, name_bytes);
-
- serialize_likely_small_unsigned_integer (sm, (u64) state_code);
- serialize_likely_small_unsigned_integer (sm, n->type);
-
- if (include_nexts)
- {
- serialize_likely_small_unsigned_integer
- (sm, vec_len (n->next_nodes));
- for (k = 0; k < vec_len (n->next_nodes); k++)
- serialize_likely_small_unsigned_integer (sm,
- n->next_nodes[k]);
- }
- else
- serialize_likely_small_unsigned_integer (sm, 0);
-
- if (include_stats)
- {
- /* stats present */
- serialize_likely_small_unsigned_integer (sm, 1);
- /* total clocks */
- serialize_integer (sm, l, 8);
- /* Total calls */
- serialize_integer (sm, c, 8);
- /* Total vectors */
- serialize_integer (sm, v, 8);
- /* Total suspends */
- serialize_integer (sm, d, 8);
- }
- else /* no stats */
- serialize_likely_small_unsigned_integer (sm, 0);
- }
- vec_free (nodes);
- }
- return (serialize_close_vector (sm));
-}
-
-vlib_node_t ***
-vlib_node_unserialize (u8 * vector)
-{
- serialize_main_t _sm, *sm = &_sm;
- u32 nnodes, nnexts;
- u32 nstat_vms;
- vlib_node_t *node;
- vlib_node_t **nodes;
- vlib_node_t ***nodes_by_thread = 0;
- int i, j, k;
- u64 l, v, c, d;
- state_string_enum_t state_code;
- int stats_present;
-
- serialize_open_vector (sm, vector);
-
- nstat_vms = unserialize_likely_small_unsigned_integer (sm);
-
- vec_validate (nodes_by_thread, nstat_vms - 1);
- _vec_len (nodes_by_thread) = 0;
-
- for (i = 0; i < nstat_vms; i++)
- {
- nnodes = unserialize_likely_small_unsigned_integer (sm);
-
- nodes = 0;
- vec_validate (nodes, nnodes - 1);
- vec_add1 (nodes_by_thread, nodes);
-
- for (j = 0; j < nnodes; j++)
- {
- node = 0;
- vec_validate (node, 0);
- nodes[j] = node;
-
- unserialize_cstring (sm, (char **) &(node->name));
- state_code = unserialize_likely_small_unsigned_integer (sm);
- node->state_string = (u8 *) state_strings[state_code];
-
- node->type = unserialize_likely_small_unsigned_integer (sm);
- nnexts = unserialize_likely_small_unsigned_integer (sm);
- if (nnexts > 0)
- vec_validate (node->next_nodes, nnexts - 1);
- for (k = 0; k < nnexts; k++)
- node->next_nodes[k] =
- unserialize_likely_small_unsigned_integer (sm);
-
- stats_present = unserialize_likely_small_unsigned_integer (sm);
-
- if (stats_present)
- {
- /* total clocks */
- unserialize_integer (sm, &l, 8);
- node->stats_total.clocks = l;
- node->stats_last_clear.clocks = 0;
-
- /* Total calls */
- unserialize_integer (sm, &c, 8);
- node->stats_total.calls = c;
-
- /* Total vectors */
- unserialize_integer (sm, &v, 8);
- node->stats_total.vectors = v;
-
- /* Total suspends */
- unserialize_integer (sm, &d, 8);
- node->stats_total.suspends = d;
- }
- }
- }
- return nodes_by_thread;
-}
-
-#if CLIB_DEBUG > 0
-
-static clib_error_t *
-test_node_serialize_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
-{
- vlib_node_main_t *nm = &vm->node_main;
- u8 *vector = 0;
- vlib_node_t ***nodes_by_thread;
- vlib_node_t **nodes;
- vlib_node_t *node;
- vlib_node_t *next_node;
- int i, j, k;
- u32 max_threads = (u32) ~ 0;
- int include_nexts = 0;
- int include_stats = 0;
-
- while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat (input, "max-threads %d", &max_threads))
- ;
- else if (unformat (input, "stats"))
- include_stats = 1;
- else if (unformat (input, "nexts"))
- include_nexts = 1;
- else
- break;
- }
-
- /*
- * Keep the number of memcpy ops to a minimum (e.g. 1).
- * The current size of the serialized vector is
- * slightly under 4K.
- */
- vec_validate (vector, 16383);
- vec_reset_length (vector);
-
- vector = vlib_node_serialize (nm, vector, max_threads,
- include_nexts, include_stats);
-
- vlib_cli_output (vm, "result vector %d bytes", vec_len (vector));
-
- nodes_by_thread = vlib_node_unserialize (vector);
-
- vec_free (vector);
-
- for (i = 0; i < vec_len (nodes_by_thread); i++)
- {
- nodes = nodes_by_thread[i];
-
- vlib_cli_output (vm, "thread %d", i);
-
- for (j = 0; j < vec_len (nodes); j++)
- {
- node = nodes[j];
-
- vlib_cli_output (vm, "[%d] %s state %s", j, node->name,
- node->state_string);
-
- vlib_cli_output
- (vm, " clocks %lld calls %lld suspends"
- " %lld vectors %lld",
- node->stats_total.clocks,
- node->stats_total.calls,
- node->stats_total.suspends, node->stats_total.vectors);
-
- for (k = 0; k < vec_len (node->next_nodes); k++)
- {
- if (node->next_nodes[k] != ~0)
- {
- next_node = nodes[node->next_nodes[k]];
- vlib_cli_output (vm, " [%d] %s", k, next_node->name);
- }
- }
- }
- }
-
- for (j = 0; j < vec_len (nodes_by_thread); j++)
- {
- nodes = nodes_by_thread[j];
-
- for (i = 0; i < vec_len (nodes); i++)
- {
- vec_free (nodes[i]->name);
- vec_free (nodes[i]->next_nodes);
- vec_free (nodes[i]);
- }
- vec_free (nodes);
- }
- vec_free (nodes_by_thread);
-
- return 0;
-}
-
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (test_node_serialize_node, static) = {
- .path = "test node serialize",
- .short_help = "test node serialize [max-threads NN] nexts stats",
- .function = test_node_serialize_command_fn,
-};
-/* *INDENT-ON* */
-#endif
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */