-/*
+/*
*------------------------------------------------------------------
- * memory_vlib.c
+ * memory_vlib.c
*
* Copyright (c) 2009 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
#define TRACE_VLIB_MEMORY_QUEUE 0
-#include <vlibmemory/vl_memory_msg_enum.h> /* enumerate all vlib messages */
+#include <vlibmemory/vl_memory_msg_enum.h> /* enumerate all vlib messages */
-#define vl_typedefs /* define message structures */
-#include <vlibmemory/vl_memory_api_h.h>
+#define vl_typedefs /* define message structures */
+#include <vlibmemory/vl_memory_api_h.h>
#undef vl_typedefs
/* instantiate all the print functions we know about */
#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
#define vl_printfun
-#include <vlibmemory/vl_memory_api_h.h>
+#include <vlibmemory/vl_memory_api_h.h>
#undef vl_printfun
static inline void *
-vl_api_memclnt_create_t_print (vl_api_memclnt_create_t *a,void *handle)
+vl_api_memclnt_create_t_print (vl_api_memclnt_create_t * a, void *handle)
{
- vl_print(handle, "vl_api_memclnt_create_t:\n");
- vl_print(handle, "name: %s\n", a->name);
- vl_print(handle, "input_queue: 0x%wx\n", a->input_queue);
- vl_print(handle, "context: %u\n", (unsigned) a->context);
- vl_print(handle, "ctx_quota: %ld\n", (long) a->ctx_quota);
- return handle;
+ vl_print (handle, "vl_api_memclnt_create_t:\n");
+ vl_print (handle, "name: %s\n", a->name);
+ vl_print (handle, "input_queue: 0x%wx\n", a->input_queue);
+ vl_print (handle, "context: %u\n", (unsigned) a->context);
+ vl_print (handle, "ctx_quota: %ld\n", (long) a->ctx_quota);
+ return handle;
}
static inline void *
-vl_api_memclnt_delete_t_print (vl_api_memclnt_delete_t *a,void *handle)
+vl_api_memclnt_delete_t_print (vl_api_memclnt_delete_t * a, void *handle)
{
- vl_print(handle, "vl_api_memclnt_delete_t:\n");
- vl_print(handle, "index: %u\n", (unsigned) a->index);
- vl_print(handle, "handle: 0x%wx\n", a->handle);
- return handle;
+ vl_print (handle, "vl_api_memclnt_delete_t:\n");
+ vl_print (handle, "index: %u\n", (unsigned) a->index);
+ vl_print (handle, "handle: 0x%wx\n", a->handle);
+ return handle;
}
/* instantiate all the endian swap functions we know about */
#define vl_endianfun
-#include <vlibmemory/vl_memory_api_h.h>
+#include <vlibmemory/vl_memory_api_h.h>
#undef vl_endianfun
-void vl_socket_api_send (vl_api_registration_t *rp, u8 *elem)
- __attribute__((weak));
+void vl_socket_api_send (vl_api_registration_t * rp, u8 * elem)
+ __attribute__ ((weak));
-void
-vl_socket_api_send (vl_api_registration_t *rp, u8 *elem)
+void
+vl_socket_api_send (vl_api_registration_t * rp, u8 * elem)
{
- static int count;
+ static int count;
- if (count++ < 5)
- clib_warning ("need to link against -lvlibsocket, msg not sent!");
+ if (count++ < 5)
+ clib_warning ("need to link against -lvlibsocket, msg not sent!");
}
-void vl_msg_api_send (vl_api_registration_t *rp, u8 *elem)
+void
+vl_msg_api_send (vl_api_registration_t * rp, u8 * elem)
{
- if (PREDICT_FALSE(rp->registration_type > REGISTRATION_TYPE_SHMEM)) {
- vl_socket_api_send (rp, elem);
- } else {
- vl_msg_api_send_shmem (rp->vl_input_queue, elem);
+ if (PREDICT_FALSE (rp->registration_type > REGISTRATION_TYPE_SHMEM))
+ {
+ vl_socket_api_send (rp, elem);
+ }
+ else
+ {
+ vl_msg_api_send_shmem (rp->vl_input_queue, elem);
}
}
-int vl_msg_api_version_check (vl_api_memclnt_create_t * mp)
- __attribute__((weak));
-
-int vl_msg_api_version_check (vl_api_memclnt_create_t * mp) { return 0; }
-
-/*
- * vl_api_memclnt_create_t_handler
- */
-void vl_api_memclnt_create_t_handler (vl_api_memclnt_create_t *mp)
+u8 *
+vl_api_serialize_message_table (api_main_t * am, u8 * vector)
{
- vl_api_registration_t **regpp;
- vl_api_registration_t *regp;
- vl_api_memclnt_create_reply_t *rp;
- svm_region_t *svm;
- unix_shared_memory_queue_t *q;
- int rv;
- void *oldheap;
- api_main_t *am = &api_main;
-
- /* Indicate API version mismatch if appropriate */
- rv = vl_msg_api_version_check (mp);
-
- /*
- * This is tortured. Maintain a vlib-address-space private
- * pool of client registrations. We use the shared-memory virtual
- * address of client structure as a handle, to allow direct
- * manipulation of context quota vbls from the client library.
- *
- * This scheme causes trouble w/ API message trace replay, since
- * some random VA from clib_mem_alloc() certainly won't
- * occur in the Linux sim. The (very) few places
- * that care need to use the pool index.
- *
- * Putting the registration object(s) into a pool in shared memory and
- * using the pool index as a handle seems like a great idea.
- * Unfortunately, each and every reference to that pool would need
- * to be protected by a mutex:
- *
- * Client VLIB
- * ------ ----
- * convert pool index to
- * pointer.
- * <deschedule>
- * expand pool
- * <deschedule>
- * kaboom!
- */
-
- pool_get(am->vl_clients, regpp);
-
- svm = am->vlib_rp;
-
- pthread_mutex_lock (&svm->mutex);
- oldheap = svm_push_data_heap(svm);
- *regpp = clib_mem_alloc(sizeof(vl_api_registration_t));
+ serialize_main_t _sm, *sm = &_sm;
+ hash_pair_t *hp;
+ u32 nmsg = hash_elts (am->msg_index_by_name_and_crc);
- regp = *regpp;
- memset(regp, 0, sizeof(*regp));
- regp->registration_type = REGISTRATION_TYPE_SHMEM;
- regp->vl_api_registration_pool_index = regpp - am->vl_clients;
+ serialize_open_vector (sm, vector);
- q = regp->vl_input_queue = (unix_shared_memory_queue_t *)(uword)
- mp->input_queue;
+ /* serialize the count */
+ serialize_integer (sm, nmsg, sizeof (u32));
- regp->name = format(0, "%s", mp->name);
- vec_add1(regp->name, 0);
+ hash_foreach_pair (hp, am->msg_index_by_name_and_crc, (
+ {
+ serialize_likely_small_unsigned_integer
+ (sm, hp->value[0]);
+ serialize_cstring
+ (sm,
+ (char *) hp->key);
+ }));
- pthread_mutex_unlock(&svm->mutex);
- svm_pop_heap (oldheap);
-
- rp = vl_msg_api_alloc(sizeof(*rp));
- rp->_vl_msg_id = ntohs(VL_API_MEMCLNT_CREATE_REPLY);
- rp->handle = (uword)regp;
- rp->index = vl_msg_api_handle_from_index_and_epoch
- (regp->vl_api_registration_pool_index,
- am->shmem_hdr->application_restarts);
- rp->context = mp->context;
- rp->response = ntohl(rv);
+ return serialize_close_vector (sm);
+}
- vl_msg_api_send_shmem(q, (u8 *)&rp);
+/*
+ * vl_api_memclnt_create_t_handler
+ */
+void
+vl_api_memclnt_create_t_handler (vl_api_memclnt_create_t * mp)
+{
+ vl_api_registration_t **regpp;
+ vl_api_registration_t *regp;
+ vl_api_memclnt_create_reply_t *rp;
+ svm_region_t *svm;
+ unix_shared_memory_queue_t *q;
+ int rv = 0;
+ void *oldheap;
+ api_main_t *am = &api_main;
+ u8 *serialized_message_table = 0;
+
+ /*
+ * This is tortured. Maintain a vlib-address-space private
+ * pool of client registrations. We use the shared-memory virtual
+ * address of client structure as a handle, to allow direct
+ * manipulation of context quota vbls from the client library.
+ *
+ * This scheme causes trouble w/ API message trace replay, since
+ * some random VA from clib_mem_alloc() certainly won't
+ * occur in the Linux sim. The (very) few places
+ * that care need to use the pool index.
+ *
+ * Putting the registration object(s) into a pool in shared memory and
+ * using the pool index as a handle seems like a great idea.
+ * Unfortunately, each and every reference to that pool would need
+ * to be protected by a mutex:
+ *
+ * Client VLIB
+ * ------ ----
+ * convert pool index to
+ * pointer.
+ * <deschedule>
+ * expand pool
+ * <deschedule>
+ * kaboom!
+ */
+
+ pool_get (am->vl_clients, regpp);
+
+ svm = am->vlib_rp;
+
+ if (am->serialized_message_table_in_shmem == 0)
+ serialized_message_table = vl_api_serialize_message_table (am, 0);
+
+ pthread_mutex_lock (&svm->mutex);
+ oldheap = svm_push_data_heap (svm);
+ *regpp = clib_mem_alloc (sizeof (vl_api_registration_t));
+
+ regp = *regpp;
+ memset (regp, 0, sizeof (*regp));
+ regp->registration_type = REGISTRATION_TYPE_SHMEM;
+ regp->vl_api_registration_pool_index = regpp - am->vl_clients;
+
+ q = regp->vl_input_queue = (unix_shared_memory_queue_t *) (uword)
+ mp->input_queue;
+
+ regp->name = format (0, "%s", mp->name);
+ vec_add1 (regp->name, 0);
+ if (serialized_message_table)
+ am->serialized_message_table_in_shmem =
+ vec_dup (serialized_message_table);
+
+ pthread_mutex_unlock (&svm->mutex);
+ svm_pop_heap (oldheap);
+
+ vec_free (serialized_message_table);
+
+ rp = vl_msg_api_alloc (sizeof (*rp));
+ rp->_vl_msg_id = ntohs (VL_API_MEMCLNT_CREATE_REPLY);
+ rp->handle = (uword) regp;
+ rp->index = vl_msg_api_handle_from_index_and_epoch
+ (regp->vl_api_registration_pool_index,
+ am->shmem_hdr->application_restarts);
+ rp->context = mp->context;
+ rp->response = ntohl (rv);
+ rp->message_table = (u64) am->serialized_message_table_in_shmem;
+
+ vl_msg_api_send_shmem (q, (u8 *) & rp);
}
/* Application callback to clean up leftover registrations from this client */
-int vl_api_memclnt_delete_callback (u32 client_index)
- __attribute__((weak));
+int vl_api_memclnt_delete_callback (u32 client_index) __attribute__ ((weak));
-int vl_api_memclnt_delete_callback (u32 client_index)
-{ return 0; }
+int
+vl_api_memclnt_delete_callback (u32 client_index)
+{
+ return 0;
+}
/*
* vl_api_memclnt_delete_t_handler
*/
-void vl_api_memclnt_delete_t_handler (vl_api_memclnt_delete_t *mp)
+void
+vl_api_memclnt_delete_t_handler (vl_api_memclnt_delete_t * mp)
{
- vl_api_registration_t **regpp;
- vl_api_registration_t *regp;
- vl_api_memclnt_delete_reply_t *rp;
- svm_region_t *svm;
- void *oldheap;
- api_main_t *am = &api_main;
- u32 handle, client_index, epoch;
-
- handle = mp->index;
-
- if (vl_api_memclnt_delete_callback (handle))
- return;
-
- epoch = vl_msg_api_handle_get_epoch (handle);
- client_index = vl_msg_api_handle_get_index (handle);
-
- if (epoch != (am->shmem_hdr->application_restarts & VL_API_EPOCH_MASK)) {
- clib_warning
- ("Stale clnt delete index %d old epoch %d cur epoch %d",
- client_index, epoch,
- (am->shmem_hdr->application_restarts & VL_API_EPOCH_MASK));
- return;
+ vl_api_registration_t **regpp;
+ vl_api_registration_t *regp;
+ vl_api_memclnt_delete_reply_t *rp;
+ svm_region_t *svm;
+ void *oldheap;
+ api_main_t *am = &api_main;
+ u32 handle, client_index, epoch;
+
+ handle = mp->index;
+
+ if (vl_api_memclnt_delete_callback (handle))
+ return;
+
+ epoch = vl_msg_api_handle_get_epoch (handle);
+ client_index = vl_msg_api_handle_get_index (handle);
+
+ if (epoch != (am->shmem_hdr->application_restarts & VL_API_EPOCH_MASK))
+ {
+ clib_warning
+ ("Stale clnt delete index %d old epoch %d cur epoch %d",
+ client_index, epoch,
+ (am->shmem_hdr->application_restarts & VL_API_EPOCH_MASK));
+ return;
}
- regpp = am->vl_clients + client_index;
-
- if (!pool_is_free(am->vl_clients, regpp)) {
- regp = *regpp;
- svm = am->vlib_rp;
-
- /* $$$ check the input queue for e.g. punted sf's */
-
- rp = vl_msg_api_alloc(sizeof(*rp));
- rp->_vl_msg_id = ntohs(VL_API_MEMCLNT_DELETE_REPLY);
- rp->handle = mp->handle;
- rp->response = 1;
-
- vl_msg_api_send_shmem (regp->vl_input_queue, (u8 *)&rp);
-
- if (client_index != regp->vl_api_registration_pool_index) {
- clib_warning ("mismatch client_index %d pool_index %d",
- client_index, regp->vl_api_registration_pool_index);
- vl_msg_api_free (rp);
- return;
- }
-
- /* No dangling references, please */
- *regpp = 0;
-
- pool_put_index(am->vl_clients,
- regp->vl_api_registration_pool_index);
-
- pthread_mutex_lock (&svm->mutex);
- oldheap = svm_push_data_heap(svm);
- /* Poison the old registration */
- memset (regp, 0xF1, sizeof (*regp));
- clib_mem_free (regp);
- pthread_mutex_unlock(&svm->mutex);
- svm_pop_heap (oldheap);
- } else {
- clib_warning("unknown client ID %d", mp->index);
+ regpp = am->vl_clients + client_index;
+
+ if (!pool_is_free (am->vl_clients, regpp))
+ {
+ regp = *regpp;
+ svm = am->vlib_rp;
+
+ /* $$$ check the input queue for e.g. punted sf's */
+
+ rp = vl_msg_api_alloc (sizeof (*rp));
+ rp->_vl_msg_id = ntohs (VL_API_MEMCLNT_DELETE_REPLY);
+ rp->handle = mp->handle;
+ rp->response = 1;
+
+ vl_msg_api_send_shmem (regp->vl_input_queue, (u8 *) & rp);
+
+ if (client_index != regp->vl_api_registration_pool_index)
+ {
+ clib_warning ("mismatch client_index %d pool_index %d",
+ client_index, regp->vl_api_registration_pool_index);
+ vl_msg_api_free (rp);
+ return;
+ }
+
+ /* No dangling references, please */
+ *regpp = 0;
+
+ pool_put_index (am->vl_clients, regp->vl_api_registration_pool_index);
+
+ pthread_mutex_lock (&svm->mutex);
+ oldheap = svm_push_data_heap (svm);
+ /* Poison the old registration */
+ memset (regp, 0xF1, sizeof (*regp));
+ clib_mem_free (regp);
+ pthread_mutex_unlock (&svm->mutex);
+ svm_pop_heap (oldheap);
+ }
+ else
+ {
+ clib_warning ("unknown client ID %d", mp->index);
}
}
-void vl_api_get_first_msg_id_t_handler (vl_api_get_first_msg_id_t * mp)
+void
+vl_api_get_first_msg_id_t_handler (vl_api_get_first_msg_id_t * mp)
{
- vl_api_get_first_msg_id_reply_t * rmp;
- unix_shared_memory_queue_t * q;
- uword * p;
- api_main_t *am = &api_main;
- vl_api_msg_range_t * rp;
- u8 name[64];
- u16 first_msg_id = ~0;
- int rv = -7; /* VNET_API_ERROR_INVALID_VALUE */
+ vl_api_get_first_msg_id_reply_t *rmp;
+ unix_shared_memory_queue_t *q;
+ uword *p;
+ api_main_t *am = &api_main;
+ vl_api_msg_range_t *rp;
+ u8 name[64];
+ u16 first_msg_id = ~0;
+ int rv = -7; /* VNET_API_ERROR_INVALID_VALUE */
- q = vl_api_client_index_to_input_queue (mp->client_index);
- if (!q)
- return;
+ q = vl_api_client_index_to_input_queue (mp->client_index);
+ if (!q)
+ return;
- if (am->msg_range_by_name == 0)
- goto out;
+ if (am->msg_range_by_name == 0)
+ goto out;
- strncpy ((char *)name, (char *) mp->name, ARRAY_LEN(name)-1);
+ strncpy ((char *) name, (char *) mp->name, ARRAY_LEN (name) - 1);
- p = hash_get_mem (am->msg_range_by_name, name);
- if (p == 0)
- goto out;
+ p = hash_get_mem (am->msg_range_by_name, name);
+ if (p == 0)
+ goto out;
- rp = vec_elt_at_index (am->msg_ranges, p[0]);
+ rp = vec_elt_at_index (am->msg_ranges, p[0]);
- first_msg_id = rp->first_msg_id;
- rv = 0;
+ first_msg_id = rp->first_msg_id;
+ rv = 0;
out:
- rmp = vl_msg_api_alloc (sizeof (*rmp));
- rmp->_vl_msg_id = ntohs(VL_API_GET_FIRST_MSG_ID_REPLY);
- rmp->context = mp->context;
- rmp->retval = ntohl(rv);
- rmp->first_msg_id = ntohs(first_msg_id);
- vl_msg_api_send_shmem (q, (u8 *)&rmp);
+ rmp = vl_msg_api_alloc (sizeof (*rmp));
+ rmp->_vl_msg_id = ntohs (VL_API_GET_FIRST_MSG_ID_REPLY);
+ rmp->context = mp->context;
+ rmp->retval = ntohl (rv);
+ rmp->first_msg_id = ntohs (first_msg_id);
+ vl_msg_api_send_shmem (q, (u8 *) & rmp);
}
#define foreach_vlib_api_msg \
/*
* vl_api_init
*/
-static int memory_api_init(char *region_name)
+static int
+memory_api_init (char *region_name)
{
- int rv;
- vl_msg_api_msg_config_t cfg;
- vl_msg_api_msg_config_t *c = &cfg;
-
- if ((rv = vl_map_shmem(region_name, 1 /* is_vlib */)) < 0)
- return rv;
+ int rv;
+ vl_msg_api_msg_config_t cfg;
+ vl_msg_api_msg_config_t *c = &cfg;
+
+ if ((rv = vl_map_shmem (region_name, 1 /* is_vlib */ )) < 0)
+ return rv;
#define _(N,n) do { \
c->id = VL_API_##N; \
c->traced = 1; /* trace, so these msgs print */ \
c->replay = 0; /* don't replay client create/delete msgs */ \
vl_msg_api_config(c);} while (0);
-
- foreach_vlib_api_msg;
+
+ foreach_vlib_api_msg;
#undef _
- return 0;
+ return 0;
}
#define foreach_histogram_bucket \
_(100) \
_(10)
-typedef enum {
+typedef enum
+{
#define _(n) SLEEP_##n##_US,
- foreach_histogram_bucket
+ foreach_histogram_bucket
#undef _
SLEEP_N_BUCKETS,
} histogram_index_t;
static u64 vector_rate_histogram[SLEEP_N_BUCKETS];
-static void memclnt_queue_signal (int signum);
-static void memclnt_queue_callback (vlib_main_t *vm);
+static void memclnt_queue_callback (vlib_main_t * vm);
static uword
memclnt_process (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * f)
+ vlib_node_runtime_t * node, vlib_frame_t * f)
{
- uword mp;
- vl_shmem_hdr_t *shm;
- unix_shared_memory_queue_t *q;
- clib_error_t *e;
- int rv;
- api_main_t *am = &api_main;
- f64 dead_client_scan_time;
- f64 sleep_time, start_time;
- f64 vector_rate;
-
- vlib_set_queue_signal_callback (vm, memclnt_queue_callback);
- am->vlib_signal = SIGUSR1;
- signal (am->vlib_signal, memclnt_queue_signal);
-
- if ((rv = memory_api_init(am->region_name)) < 0) {
- clib_warning("memory_api_init returned %d, wait for godot...", rv);
- vlib_process_suspend (vm, 1e70);
+ uword mp;
+ vl_shmem_hdr_t *shm;
+ unix_shared_memory_queue_t *q;
+ clib_error_t *e;
+ int rv;
+ api_main_t *am = &api_main;
+ f64 dead_client_scan_time;
+ f64 sleep_time, start_time;
+ f64 vector_rate;
+
+ vlib_set_queue_signal_callback (vm, memclnt_queue_callback);
+
+ if ((rv = memory_api_init (am->region_name)) < 0)
+ {
+ clib_warning ("memory_api_init returned %d, wait for godot...", rv);
+ vlib_process_suspend (vm, 1e70);
}
- shm = am->shmem_hdr;
- ASSERT(shm);
- q = shm->vl_input_queue;
- ASSERT(q);
-
- e = vlib_call_init_exit_functions
- (vm, vm->api_init_function_registrations, 1 /* call_once */);
- if (e)
- clib_error_report (e);
-
- sleep_time = 20.0;
- dead_client_scan_time = vlib_time_now(vm) + 20.0;
-
- /* $$$ pay attention to frame size, control CPU usage */
- while (1) {
- uword event_type __attribute__((unused));
- i8 *headp;
- int need_broadcast;
-
- /*
- * There's a reason for checking the queue before
- * sleeping. If the vlib application crashes, it's entirely
- * possible for a client to enqueue a connect request
- * during the process restart interval.
- *
- * Unless some force of physics causes the new incarnation
- * of the application to process the request, the client will
- * sit and wait for Godot...
- */
- vector_rate = vlib_last_vector_length_per_node(vm);
- start_time = vlib_time_now (vm);
- while (1) {
- pthread_mutex_lock (&q->mutex);
- if (q->cursize == 0) {
- pthread_mutex_unlock (&q->mutex);
-
- if (TRACE_VLIB_MEMORY_QUEUE)
- {
- ELOG_TYPE_DECLARE (e) = {
- .format = "q-underflow: len %d",
- .format_args = "i4",
+ shm = am->shmem_hdr;
+ ASSERT (shm);
+ q = shm->vl_input_queue;
+ ASSERT (q);
+
+ e = vlib_call_init_exit_functions
+ (vm, vm->api_init_function_registrations, 1 /* call_once */ );
+ if (e)
+ clib_error_report (e);
+
+ sleep_time = 20.0;
+ dead_client_scan_time = vlib_time_now (vm) + 20.0;
+
+ /* $$$ pay attention to frame size, control CPU usage */
+ while (1)
+ {
+ uword event_type __attribute__ ((unused));
+ i8 *headp;
+ int need_broadcast;
+
+ /*
+ * There's a reason for checking the queue before
+ * sleeping. If the vlib application crashes, it's entirely
+ * possible for a client to enqueue a connect request
+ * during the process restart interval.
+ *
+ * Unless some force of physics causes the new incarnation
+ * of the application to process the request, the client will
+ * sit and wait for Godot...
+ */
+ vector_rate = vlib_last_vector_length_per_node (vm);
+ start_time = vlib_time_now (vm);
+ while (1)
+ {
+ pthread_mutex_lock (&q->mutex);
+ if (q->cursize == 0)
+ {
+ vm->api_queue_nonempty = 0;
+ pthread_mutex_unlock (&q->mutex);
+
+ if (TRACE_VLIB_MEMORY_QUEUE)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "q-underflow: len %d",
+ .format_args = "i4",
};
- struct { u32 len; } * ed;
- ed = ELOG_DATA (&vm->elog_main, e);
- ed->len = 0;
- }
- sleep_time = 20.0;
- break;
- }
-
- headp = (i8 *) (q->data + sizeof(uword)*q->head);
- memcpy (&mp, headp, sizeof(uword));
-
- q->head++;
- need_broadcast = (q->cursize == q->maxsize/2);
- q->cursize--;
-
- if (PREDICT_FALSE(q->head == q->maxsize))
- q->head = 0;
- pthread_mutex_unlock(&q->mutex);
- if (need_broadcast)
- (void) pthread_cond_broadcast(&q->condvar);
-
- vl_msg_api_handler_with_vm_node (am, (void *)mp, vm, node);
-
- /* Allow no more than 10us without a pause */
- if (vlib_time_now(vm) > start_time + 10e-6) {
- int index = SLEEP_400_US;
- if (vector_rate > 40.0)
- sleep_time = 400e-6;
- else if (vector_rate > 20.0) {
- index = SLEEP_200_US;
- sleep_time = 200e-6;
- } else if (vector_rate >= 1.0) {
- index = SLEEP_100_US;
- sleep_time = 100e-6;
- }
- else {
- index = SLEEP_10_US;
- sleep_time = 10e-6;
- }
- vector_rate_histogram[index] += 1;
- break;
- }
- }
-
- event_type = vlib_process_wait_for_event_or_clock (vm, sleep_time);
- vlib_process_get_events (vm, 0 /* event_data */);
-
- if (vlib_time_now (vm) > dead_client_scan_time) {
- vl_api_registration_t **regpp;
- vl_api_registration_t *regp;
- unix_shared_memory_queue_t *q;
- static u32 * dead_indices;
- static u32 * confused_indices;
-
- vec_reset_length (dead_indices);
- vec_reset_length (confused_indices);
-
- pool_foreach (regpp, am->vl_clients,
- ({
- regp = *regpp;
-
- if (regp) {
- q = regp->vl_input_queue;
- if (kill (q->consumer_pid, 0) < 0) {
- vec_add1(dead_indices, regpp - am->vl_clients);
- }
- } else {
- clib_warning ("NULL client registration index %d",
- regpp - am->vl_clients);
- vec_add1 (confused_indices, regpp - am->vl_clients);
- }
- }));
- /* This should "never happen," but if it does, fix it... */
- if (PREDICT_FALSE (vec_len(confused_indices) > 0)) {
- int i;
- for (i = 0; i < vec_len (confused_indices); i++) {
- pool_put_index (am->vl_clients, confused_indices[i]);
- }
- }
-
- if (PREDICT_FALSE (vec_len(dead_indices) > 0)) {
- int i;
- svm_region_t *svm;
- void * oldheap;
-
- /* Allow the application to clean up its registrations */
- for (i = 0; i < vec_len(dead_indices); i++) {
- regpp = pool_elt_at_index (am->vl_clients, dead_indices[i]);
- if (regpp) {
- u32 handle;
-
- handle = vl_msg_api_handle_from_index_and_epoch
- (dead_indices[i], shm->application_restarts);
- (void) vl_api_memclnt_delete_callback (handle);
- }
- }
-
- svm = am->vlib_rp;
- pthread_mutex_lock (&svm->mutex);
- oldheap = svm_push_data_heap(svm);
-
- for (i = 0; i < vec_len(dead_indices); i++) {
- regpp = pool_elt_at_index (am->vl_clients, dead_indices[i]);
- if (regpp) {
- /* Poison the old registration */
- memset (*regpp, 0xF3, sizeof (**regpp));
- clib_mem_free (*regpp);
- /* no dangling references, please */
- *regpp = 0;
- } else {
- svm_pop_heap (oldheap);
- clib_warning ("Duplicate free, client index %d",
- regpp - am->vl_clients);
- oldheap = svm_push_data_heap(svm);
- }
- }
-
- svm_client_scan_this_region_nolock (am->vlib_rp);
-
- pthread_mutex_unlock(&svm->mutex);
- svm_pop_heap (oldheap);
- for (i = 0; i < vec_len (dead_indices); i++)
- pool_put_index (am->vl_clients, dead_indices[i]);
- }
-
- dead_client_scan_time = vlib_time_now (vm) + 20.0;
- }
-
- if (TRACE_VLIB_MEMORY_QUEUE)
- {
- ELOG_TYPE_DECLARE (e) = {
- .format = "q-awake: len %d",
- .format_args = "i4",
- };
- struct { u32 len; } * ed;
- ed = ELOG_DATA (&vm->elog_main, e);
- ed->len = q->cursize;
- }
+ /* *INDENT-ON* */
+ struct
+ {
+ u32 len;
+ } *ed;
+ ed = ELOG_DATA (&vm->elog_main, e);
+ ed->len = 0;
+ }
+ sleep_time = 20.0;
+ break;
+ }
+
+ headp = (i8 *) (q->data + sizeof (uword) * q->head);
+ clib_memcpy (&mp, headp, sizeof (uword));
+
+ q->head++;
+ need_broadcast = (q->cursize == q->maxsize / 2);
+ q->cursize--;
+
+ if (PREDICT_FALSE (q->head == q->maxsize))
+ q->head = 0;
+ pthread_mutex_unlock (&q->mutex);
+ if (need_broadcast)
+ (void) pthread_cond_broadcast (&q->condvar);
+
+ vl_msg_api_handler_with_vm_node (am, (void *) mp, vm, node);
+
+ /* Allow no more than 10us without a pause */
+ if (vlib_time_now (vm) > start_time + 10e-6)
+ {
+ int index = SLEEP_400_US;
+ if (vector_rate > 40.0)
+ sleep_time = 400e-6;
+ else if (vector_rate > 20.0)
+ {
+ index = SLEEP_200_US;
+ sleep_time = 200e-6;
+ }
+ else if (vector_rate >= 1.0)
+ {
+ index = SLEEP_100_US;
+ sleep_time = 100e-6;
+ }
+ else
+ {
+ index = SLEEP_10_US;
+ sleep_time = 10e-6;
+ }
+ vector_rate_histogram[index] += 1;
+ break;
+ }
+ }
+
+ event_type = vlib_process_wait_for_event_or_clock (vm, sleep_time);
+ vm->queue_signal_pending = 0;
+ vlib_process_get_events (vm, 0 /* event_data */ );
+
+ if (vlib_time_now (vm) > dead_client_scan_time)
+ {
+ vl_api_registration_t **regpp;
+ vl_api_registration_t *regp;
+ unix_shared_memory_queue_t *q;
+ static u32 *dead_indices;
+ static u32 *confused_indices;
+
+ vec_reset_length (dead_indices);
+ vec_reset_length (confused_indices);
+
+ /* *INDENT-OFF* */
+ pool_foreach (regpp, am->vl_clients,
+ ({
+ regp = *regpp;
+ if (regp)
+ {
+ q = regp->vl_input_queue;
+ if (kill (q->consumer_pid, 0) < 0)
+ {
+ vec_add1(dead_indices, regpp - am->vl_clients);
+ }
+ }
+ else
+ {
+ clib_warning ("NULL client registration index %d",
+ regpp - am->vl_clients);
+ vec_add1 (confused_indices, regpp - am->vl_clients);
+ }
+ }));
+ /* *INDENT-ON* */
+ /* This should "never happen," but if it does, fix it... */
+ if (PREDICT_FALSE (vec_len (confused_indices) > 0))
+ {
+ int i;
+ for (i = 0; i < vec_len (confused_indices); i++)
+ {
+ pool_put_index (am->vl_clients, confused_indices[i]);
+ }
+ }
+
+ if (PREDICT_FALSE (vec_len (dead_indices) > 0))
+ {
+ int i;
+ svm_region_t *svm;
+ void *oldheap;
+
+ /* Allow the application to clean up its registrations */
+ for (i = 0; i < vec_len (dead_indices); i++)
+ {
+ regpp = pool_elt_at_index (am->vl_clients, dead_indices[i]);
+ if (regpp)
+ {
+ u32 handle;
+
+ handle = vl_msg_api_handle_from_index_and_epoch
+ (dead_indices[i], shm->application_restarts);
+ (void) vl_api_memclnt_delete_callback (handle);
+ }
+ }
+
+ svm = am->vlib_rp;
+ pthread_mutex_lock (&svm->mutex);
+ oldheap = svm_push_data_heap (svm);
+
+ for (i = 0; i < vec_len (dead_indices); i++)
+ {
+ regpp = pool_elt_at_index (am->vl_clients, dead_indices[i]);
+ if (regpp)
+ {
+ /* Poison the old registration */
+ memset (*regpp, 0xF3, sizeof (**regpp));
+ clib_mem_free (*regpp);
+ /* no dangling references, please */
+ *regpp = 0;
+ }
+ else
+ {
+ svm_pop_heap (oldheap);
+ clib_warning ("Duplicate free, client index %d",
+ regpp - am->vl_clients);
+ oldheap = svm_push_data_heap (svm);
+ }
+ }
+
+ svm_client_scan_this_region_nolock (am->vlib_rp);
+
+ pthread_mutex_unlock (&svm->mutex);
+ svm_pop_heap (oldheap);
+ for (i = 0; i < vec_len (dead_indices); i++)
+ pool_put_index (am->vl_clients, dead_indices[i]);
+ }
+
+ dead_client_scan_time = vlib_time_now (vm) + 20.0;
+ }
+
+ if (TRACE_VLIB_MEMORY_QUEUE)
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) = {
+ .format = "q-awake: len %d",
+ .format_args = "i4",
+ };
+ /* *INDENT-ON* */
+ struct
+ {
+ u32 len;
+ } *ed;
+ ed = ELOG_DATA (&vm->elog_main, e);
+ ed->len = q->cursize;
+ }
}
- return 0;
+ return 0;
}
static clib_error_t *
-vl_api_show_histogram_command(vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cli_cmd)
+vl_api_show_histogram_command (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cli_cmd)
{
- u64 total_counts = 0;
- int i;
-
- for (i = 0; i < SLEEP_N_BUCKETS; i++) {
- total_counts += vector_rate_histogram [i];
+ u64 total_counts = 0;
+ int i;
+
+ for (i = 0; i < SLEEP_N_BUCKETS; i++)
+ {
+ total_counts += vector_rate_histogram[i];
}
- if (total_counts == 0) {
- vlib_cli_output (vm, "No control-plane activity.");
- return 0;
+ if (total_counts == 0)
+ {
+ vlib_cli_output (vm, "No control-plane activity.");
+ return 0;
}
#define _(n) \
vector_rate_histogram[SLEEP_##n##_US], \
percent); \
} while (0);
- foreach_histogram_bucket;
+ foreach_histogram_bucket;
#undef _
- return 0;
+ return 0;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (cli_show_api_histogram_command, static) = {
.path = "show api histogram",
.short_help = "show api histogram",
.function = vl_api_show_histogram_command,
};
+/* *INDENT-ON* */
static clib_error_t *
-vl_api_clear_histogram_command(vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cli_cmd)
+vl_api_clear_histogram_command (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cli_cmd)
{
- int i;
+ int i;
- for (i = 0; i < SLEEP_N_BUCKETS; i++)
- vector_rate_histogram[i] = 0;
- return 0;
+ for (i = 0; i < SLEEP_N_BUCKETS; i++)
+ vector_rate_histogram[i] = 0;
+ return 0;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (cli_clear_api_histogram_command, static) = {
.path = "clear api histogram",
.short_help = "clear api histogram",
.function = vl_api_clear_histogram_command,
};
+/* *INDENT-ON* */
+/* *INDENT-OFF* */
VLIB_REGISTER_NODE (memclnt_node,static) = {
.function = memclnt_process,
.type = VLIB_NODE_TYPE_PROCESS,
.name = "api-rx-from-ring",
.state = VLIB_NODE_STATE_DISABLED,
};
+/* *INDENT-ON* */
static void
-memclnt_queue_signal (int signum)
+memclnt_queue_callback (vlib_main_t * vm)
{
- vlib_main_t * vm = vlib_get_main();
+ static volatile int *cursizep;
- vm->queue_signal_pending = 1;
-}
+ if (PREDICT_FALSE (cursizep == 0))
+ {
+ api_main_t *am = &api_main;
+ vl_shmem_hdr_t *shmem_hdr = am->shmem_hdr;
+ unix_shared_memory_queue_t *q;
-static void
-memclnt_queue_callback (vlib_main_t *vm)
-{
-#if 0
- /* If we need to manually suspend / resume the memclnt process */
- vlib_node_t * n = vlib_get_node (vm, memclnt_node.index);
- vlib_process_t * p = vlib_get_process_from_node (vm, n);
-#endif
-
- vm->queue_signal_pending = 0;
- vlib_process_signal_event
- (vm, memclnt_node.index, /* event_type */ 0, /* event_data */ 0);
+ if (shmem_hdr == 0)
+ return;
+
+ q = shmem_hdr->vl_input_queue;
+ if (q == 0)
+ return;
+ cursizep = &q->cursize;
+ }
+
+ if (*cursizep >= 1)
+ {
+ vm->queue_signal_pending = 1;
+ vm->api_queue_nonempty = 1;
+ vlib_process_signal_event (vm, memclnt_node.index,
+ /* event_type */ 0, /* event_data */ 0);
+ }
}
-void vl_enable_disable_memory_api (vlib_main_t *vm, int enable)
+void
+vl_enable_disable_memory_api (vlib_main_t * vm, int enable)
{
- vlib_node_set_state (vm, memclnt_node.index,
- (enable
- ? VLIB_NODE_STATE_POLLING
- : VLIB_NODE_STATE_DISABLED));
+ vlib_node_set_state (vm, memclnt_node.index,
+ (enable
+ ? VLIB_NODE_STATE_POLLING
+ : VLIB_NODE_STATE_DISABLED));
}
static uword
api_rx_from_node (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+ vlib_node_runtime_t * node, vlib_frame_t * frame)
{
- uword n_packets = frame->n_vectors;
- uword n_left_from;
- u32 * from;
- static u8 * long_msg;
-
- vec_validate (long_msg, 4095);
- n_left_from = frame->n_vectors;
- from = vlib_frame_args (frame);
-
- while (n_left_from > 0) {
- u32 bi0;
- vlib_buffer_t * b0;
- void * msg;
- uword msg_len;
-
- bi0 = from[0];
- b0 = vlib_get_buffer (vm, bi0);
- from += 1;
- n_left_from -= 1;
-
- msg = b0->data + b0->current_data;
- msg_len = b0->current_length;
- if (b0->flags & VLIB_BUFFER_NEXT_PRESENT) {
- ASSERT (long_msg != 0);
- _vec_len (long_msg) = 0;
- vec_add (long_msg, msg, msg_len);
- while (b0->flags & VLIB_BUFFER_NEXT_PRESENT) {
- b0 = vlib_get_buffer (vm, b0->next_buffer);
- msg = b0->data + b0->current_data;
- msg_len = b0->current_length;
- vec_add (long_msg, msg, msg_len);
- }
- msg = long_msg;
- }
- vl_msg_api_handler_no_trace_no_free (msg);
+ uword n_packets = frame->n_vectors;
+ uword n_left_from;
+ u32 *from;
+ static u8 *long_msg;
+
+ vec_validate (long_msg, 4095);
+ n_left_from = frame->n_vectors;
+ from = vlib_frame_args (frame);
+
+ while (n_left_from > 0)
+ {
+ u32 bi0;
+ vlib_buffer_t *b0;
+ void *msg;
+ uword msg_len;
+
+ bi0 = from[0];
+ b0 = vlib_get_buffer (vm, bi0);
+ from += 1;
+ n_left_from -= 1;
+
+ msg = b0->data + b0->current_data;
+ msg_len = b0->current_length;
+ if (b0->flags & VLIB_BUFFER_NEXT_PRESENT)
+ {
+ ASSERT (long_msg != 0);
+ _vec_len (long_msg) = 0;
+ vec_add (long_msg, msg, msg_len);
+ while (b0->flags & VLIB_BUFFER_NEXT_PRESENT)
+ {
+ b0 = vlib_get_buffer (vm, b0->next_buffer);
+ msg = b0->data + b0->current_data;
+ msg_len = b0->current_length;
+ vec_add (long_msg, msg, msg_len);
+ }
+ msg = long_msg;
+ }
+ vl_msg_api_handler_no_trace_no_free (msg);
}
- /* Free what we've been given. */
- vlib_buffer_free (vm, vlib_frame_args (frame), n_packets);
+ /* Free what we've been given. */
+ vlib_buffer_free (vm, vlib_frame_args (frame), n_packets);
- return n_packets;
+ return n_packets;
}
+/* *INDENT-OFF* */
VLIB_REGISTER_NODE (api_rx_from_node_node,static) = {
.function = api_rx_from_node,
.type = VLIB_NODE_TYPE_INTERNAL,
.vector_size = 4,
.name = "api-rx-from-node",
};
+/* *INDENT-ON* */
static clib_error_t *
setup_memclnt_exit (vlib_main_t * vm)
{
- atexit (vl_unmap_shmem);
- return 0;
+ atexit (vl_unmap_shmem);
+ return 0;
}
VLIB_INIT_FUNCTION (setup_memclnt_exit);
static clib_error_t *
-vl_api_ring_command(vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cli_cmd)
+vl_api_ring_command (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cli_cmd)
{
- int i;
- ring_alloc_t *ap;
- vl_shmem_hdr_t *shmem_hdr;
- api_main_t *am = &api_main;
+ int i;
+ ring_alloc_t *ap;
+ vl_shmem_hdr_t *shmem_hdr;
+ api_main_t *am = &api_main;
- shmem_hdr = am->shmem_hdr;
+ shmem_hdr = am->shmem_hdr;
- if (shmem_hdr == 0) {
- vlib_cli_output (vm, "Shared memory segment not initialized...\n");
- return 0;
+ if (shmem_hdr == 0)
+ {
+ vlib_cli_output (vm, "Shared memory segment not initialized...\n");
+ return 0;
}
- vlib_cli_output (vm, "%8s %8s %8s %8s %8s\n",
- "Owner", "Size", "Nitems", "Hits", "Misses");
+ vlib_cli_output (vm, "%8s %8s %8s %8s %8s\n",
+ "Owner", "Size", "Nitems", "Hits", "Misses");
- ap = shmem_hdr->vl_rings;
+ ap = shmem_hdr->vl_rings;
- for (i = 0; i < vec_len(shmem_hdr->vl_rings); i++) {
- vlib_cli_output(vm, "%8s %8d %8d %8d %8d\n",
- "vlib", ap->size, ap->nitems, ap->hits, ap->misses);
- ap++;
+ for (i = 0; i < vec_len (shmem_hdr->vl_rings); i++)
+ {
+ vlib_cli_output (vm, "%8s %8d %8d %8d %8d\n",
+ "vlib", ap->size, ap->nitems, ap->hits, ap->misses);
+ ap++;
}
- ap = shmem_hdr->client_rings;
+ ap = shmem_hdr->client_rings;
- for (i = 0; i < vec_len(shmem_hdr->client_rings); i++) {
- vlib_cli_output(vm, "%8s %8d %8d %8d %8d\n",
- "clnt", ap->size, ap->nitems, ap->hits, ap->misses);
- ap++;
+ for (i = 0; i < vec_len (shmem_hdr->client_rings); i++)
+ {
+ vlib_cli_output (vm, "%8s %8d %8d %8d %8d\n",
+ "clnt", ap->size, ap->nitems, ap->hits, ap->misses);
+ ap++;
}
- vlib_cli_output (vm, "%d ring miss fallback allocations\n",
- am->ring_misses);
+ vlib_cli_output (vm, "%d ring miss fallback allocations\n",
+ am->ring_misses);
- vlib_cli_output (vm, "%d application restarts, %d reclaimed msgs\n",
- shmem_hdr->application_restarts,
- shmem_hdr->restart_reclaims);
- return 0;
+ vlib_cli_output (vm, "%d application restarts, %d reclaimed msgs\n",
+ shmem_hdr->application_restarts,
+ shmem_hdr->restart_reclaims);
+ return 0;
}
-void dump_socket_clients (vlib_main_t *vm, api_main_t *am)
- __attribute__((weak));
+void dump_socket_clients (vlib_main_t * vm, api_main_t * am)
+ __attribute__ ((weak));
-void dump_socket_clients (vlib_main_t *vm, api_main_t *am)
+void
+dump_socket_clients (vlib_main_t * vm, api_main_t * am)
{
}
static clib_error_t *
-vl_api_client_command(vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cli_cmd)
+vl_api_client_command (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cli_cmd)
{
- vl_api_registration_t **regpp, *regp;
- unix_shared_memory_queue_t *q;
- char *health;
- api_main_t *am = &api_main;
- u32 * confused_indices = 0;
-
- if (!pool_elts (am->vl_clients))
- goto socket_clients;
- vlib_cli_output (vm, "Shared memory clients");
- vlib_cli_output (vm, "%16s %8s %14s %18s %s",
- "Name", "PID", "Queue Length", "Queue VA", "Health");
-
- pool_foreach (regpp, am->vl_clients,
- ({
- regp = *regpp;
-
- if (regp) {
- q = regp->vl_input_queue;
- if (kill (q->consumer_pid, 0) < 0) {
- health = "DEAD";
- } else {
- health = "alive";
- }
- vlib_cli_output (vm, "%16s %8d %14d 0x%016llx %s\n",
- regp->name, q->consumer_pid, q->cursize,
- q, health);
- } else {
- clib_warning ("NULL client registration index %d",
- regpp - am->vl_clients);
- vec_add1 (confused_indices, regpp - am->vl_clients);
- }
- }));
-
- /* This should "never happen," but if it does, fix it... */
- if (PREDICT_FALSE (vec_len(confused_indices) > 0)) {
- int i;
- for (i = 0; i < vec_len (confused_indices); i++) {
- pool_put_index (am->vl_clients, confused_indices[i]);
- }
+ vl_api_registration_t **regpp, *regp;
+ unix_shared_memory_queue_t *q;
+ char *health;
+ api_main_t *am = &api_main;
+ u32 *confused_indices = 0;
+
+ if (!pool_elts (am->vl_clients))
+ goto socket_clients;
+ vlib_cli_output (vm, "Shared memory clients");
+ vlib_cli_output (vm, "%16s %8s %14s %18s %s",
+ "Name", "PID", "Queue Length", "Queue VA", "Health");
+
+ /* *INDENT-OFF* */
+ pool_foreach (regpp, am->vl_clients,
+ ({
+ regp = *regpp;
+
+ if (regp)
+ {
+ q = regp->vl_input_queue;
+ if (kill (q->consumer_pid, 0) < 0)
+ {
+ health = "DEAD";
+ }
+ else
+ {
+ health = "alive";
+ }
+ vlib_cli_output (vm, "%16s %8d %14d 0x%016llx %s\n",
+ regp->name, q->consumer_pid, q->cursize,
+ q, health);
+ }
+ else
+ {
+ clib_warning ("NULL client registration index %d",
+ regpp - am->vl_clients);
+ vec_add1 (confused_indices, regpp - am->vl_clients);
+ }
+ }));
+ /* *INDENT-ON* */
+
+ /* This should "never happen," but if it does, fix it... */
+ if (PREDICT_FALSE (vec_len (confused_indices) > 0))
+ {
+ int i;
+ for (i = 0; i < vec_len (confused_indices); i++)
+ {
+ pool_put_index (am->vl_clients, confused_indices[i]);
+ }
}
- vec_free (confused_indices);
+ vec_free (confused_indices);
- if (am->missing_clients)
- vlib_cli_output (vm, "%u messages with missing clients",
- am->missing_clients);
+ if (am->missing_clients)
+ vlib_cli_output (vm, "%u messages with missing clients",
+ am->missing_clients);
socket_clients:
- dump_socket_clients (vm, am);
+ dump_socket_clients (vm, am);
+
+ return 0;
+}
+
+static clib_error_t *
+vl_api_status_command (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cli_cmd)
+{
+ api_main_t *am = &api_main;
- return 0;
+ // check if rx_trace and tx_trace are not null pointers
+
+ if (am->rx_trace == 0)
+ {
+ vlib_cli_output (vm, "RX Trace disabled\n");
+ }
+ else
+ {
+ if (am->rx_trace->enabled == 0)
+ vlib_cli_output (vm, "RX Trace disabled\n");
+ else
+ vlib_cli_output (vm, "RX Trace enabled\n");
+ }
+
+ if (am->tx_trace == 0)
+ {
+ vlib_cli_output (vm, "TX Trace disabled\n");
+ }
+ else
+ {
+ if (am->tx_trace->enabled == 0)
+ vlib_cli_output (vm, "TX Trace disabled\n");
+ else
+ vlib_cli_output (vm, "TX Trace enabled\n");
+ }
+
+ return 0;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (cli_show_api_command, static) = {
.path = "show api",
.short_help = "Show API information",
};
+/* *INDENT-ON* */
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (cli_show_api_ring_command, static) = {
.path = "show api ring-stats",
.short_help = "Message ring statistics",
.function = vl_api_ring_command,
};
+/* *INDENT-ON* */
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (cli_show_api_clients_command, static) = {
.path = "show api clients",
.short_help = "Client information",
.function = vl_api_client_command,
};
+/* *INDENT-ON* */
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (cli_show_api_status_command, static) = {
+ .path = "show api status",
+ .short_help = "Show API trace status",
+ .function = vl_api_status_command,
+};
+/* *INDENT-ON* */
static clib_error_t *
-vl_api_message_table_command(vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cli_cmd)
+vl_api_message_table_command (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cli_cmd)
{
- api_main_t *am = &api_main;
- int i;
- int verbose = 0;
-
- if (unformat (input, "verbose"))
- verbose = 1;
+ api_main_t *am = &api_main;
+ int i;
+ int verbose = 0;
+ if (unformat (input, "verbose"))
+ verbose = 1;
- if (verbose == 0)
- vlib_cli_output (vm, "%-4s %s", "ID", "Name");
- else
- vlib_cli_output (vm, "%-4s %-40s %6s %7s", "ID", "Name", "Bounce",
- "MP-safe");
-
- for (i = 1; i < vec_len (am->msg_names); i++) {
- if (verbose == 0) {
- vlib_cli_output (vm, "%-4d %s", i,
- am->msg_names[i] ? am->msg_names[i] :
- " [no handler]");
- } else {
- vlib_cli_output (vm, "%-4d %-40s %6d %7d", i,
- am->msg_names[i] ? am->msg_names[i] :
- " [no handler]", am->message_bounce[i],
- am->is_mp_safe[i]);
- }
+
+ if (verbose == 0)
+ vlib_cli_output (vm, "%-4s %s", "ID", "Name");
+ else
+ vlib_cli_output (vm, "%-4s %-40s %6s %7s", "ID", "Name", "Bounce",
+ "MP-safe");
+
+ for (i = 1; i < vec_len (am->msg_names); i++)
+ {
+ if (verbose == 0)
+ {
+ vlib_cli_output (vm, "%-4d %s", i,
+ am->msg_names[i] ? am->msg_names[i] :
+ " [no handler]");
+ }
+ else
+ {
+ vlib_cli_output (vm, "%-4d %-40s %6d %7d", i,
+ am->msg_names[i] ? am->msg_names[i] :
+ " [no handler]", am->message_bounce[i],
+ am->is_mp_safe[i]);
+ }
}
- return 0;
+ return 0;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (cli_show_api_message_table_command, static) = {
.path = "show api message-table",
.short_help = "Message Table",
.function = vl_api_message_table_command,
};
-
-void vl_api_trace_print_file_cmd(vlib_main_t *vm, u32 first, u32 last,
- u8 *filename)
-{
- FILE *fp;
- static vl_api_trace_t *tp = 0;
- int endian_swap = 0;
- u32 i;
- u16 msg_id;
- static u8 *msg_buf=0;
- void (*endian_fp)(void *);
- u8 *(*print_fp)(void *, void *);
- int size;
- api_main_t *am = &api_main;
-
- /*
- * On-demand: allocate enough space for the largest message
- */
- if (msg_buf == 0) {
- vec_validate(tp, 0);
- int max_size = 0;
- for (i = 0; i < vec_len(am->api_trace_cfg); i++) {
- if (am->api_trace_cfg[i].size > max_size)
- max_size = am->api_trace_cfg[i].size;
- }
- /* round size to a multiple of the cache-line size */
- max_size = (max_size + (CLIB_CACHE_LINE_BYTES-1)) &
- (~(CLIB_CACHE_LINE_BYTES-1));
- vec_validate (msg_buf, max_size-1);
- }
-
- fp = fopen ((char *)filename, "r");
-
- if (fp == NULL) {
- vlib_cli_output (vm, "Couldn't open %s\n", filename);
- return;
- }
-
- /* first, fish the header record from the file */
-
- if (fread(tp, sizeof(*tp), 1, fp) != 1) {
- fclose(fp);
- vlib_cli_output (vm, "Header read error\n");
- return;
- }
-
- /* Endian swap required? */
- if (clib_arch_is_big_endian != tp->endian) {
- endian_swap = 1;
- }
-
- for (i = 0; i <= last; i++) {
- /* First 2 bytes are the message type */
- if (fread(&msg_id, sizeof(u16), 1, fp) != 1) {
- break;
- }
- msg_id = ntohs(msg_id);
-
- fseek(fp, -2, SEEK_CUR);
-
- /* Mild sanity check */
- if (msg_id >= vec_len(am->msg_handlers)) {
- fclose(fp);
- vlib_cli_output (vm, "msg_id %d out of bounds\n",
- msg_id);
- return;
- }
-
- size = am->api_trace_cfg[msg_id].size;
-
- if (fread(msg_buf, size, 1, fp) != 1) {
- fclose(fp);
- vlib_cli_output (vm, "read error on %s\n", filename);
- return;
- }
-
- if (i < first)
- continue;
-
- if (endian_swap) {
- endian_fp = am->msg_endian_handlers[msg_id];
- (*endian_fp)(msg_buf);
- }
-
- vlib_cli_output (vm, "[%d]: %s\n", i,
- am->msg_names[msg_id]);
-
- print_fp = (void *)am->msg_print_handlers[msg_id];
- (*print_fp)(msg_buf, vm);
- vlib_cli_output (vm, "-------------\n");
- }
- fclose(fp);
-}
+/* *INDENT-ON* */
static clib_error_t *
-vl_api_trace_command(vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cli_cmd)
+vl_api_trace_command (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cli_cmd)
{
- u32 nitems=1024;
- vl_api_trace_which_t which=VL_API_TRACE_RX;
- u8 *filename;
- u32 first = 0;
- u32 last = ~0;
- api_main_t *am = &api_main;
-
- while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) {
- if (unformat (input, "rx nitems %u", &nitems)
- || unformat (input, "rx"))
- goto configure;
- else if (unformat (input, "tx nitems %u", &nitems)
- || unformat (input, "tx")) {
- which = VL_API_TRACE_RX;
- goto configure;
- } else if (unformat (input, "on rx")) {
- vl_msg_api_trace_onoff (am, VL_API_TRACE_RX, 1);
- } else if (unformat (input, "on tx")) {
- vl_msg_api_trace_onoff (am, VL_API_TRACE_TX, 1);
- } else if (unformat (input, "on")) {
- vl_msg_api_trace_onoff (am, VL_API_TRACE_RX, 1);
- } else if (unformat (input, "off")) {
- vl_msg_api_trace_onoff (am, VL_API_TRACE_RX, 0);
- vl_msg_api_trace_onoff (am, VL_API_TRACE_TX, 0);
- } else if (unformat (input, "free")) {
- vl_msg_api_trace_onoff (am, VL_API_TRACE_RX, 0);
- vl_msg_api_trace_onoff (am, VL_API_TRACE_TX, 0);
- vl_msg_api_trace_free (am, VL_API_TRACE_RX);
- vl_msg_api_trace_free (am, VL_API_TRACE_TX);
- } else if (unformat (input, "print %s from %d to %d", &filename,
- &first, &last)
- || unformat (input, "print %s", &filename)) {
- goto print;
- } else if (unformat (input, "debug on")) {
- am->msg_print_flag = 1;
- } else if (unformat (input, "debug off")) {
- am->msg_print_flag = 0;
- }
- else
- return clib_error_return (0, "unknown input `%U'",
- format_unformat_error, input);
- }
- return 0;
+ u32 nitems = 1024;
+ vl_api_trace_which_t which = VL_API_TRACE_RX;
+ api_main_t *am = &api_main;
- print:
- vl_api_trace_print_file_cmd (vm, first, last, filename);
- goto out;
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "rx nitems %u", &nitems) || unformat (input, "rx"))
+ goto configure;
+ else if (unformat (input, "tx nitems %u", &nitems)
+ || unformat (input, "tx"))
+ {
+ which = VL_API_TRACE_RX;
+ goto configure;
+ }
+ else if (unformat (input, "on rx"))
+ {
+ vl_msg_api_trace_onoff (am, VL_API_TRACE_RX, 1);
+ }
+ else if (unformat (input, "on tx"))
+ {
+ vl_msg_api_trace_onoff (am, VL_API_TRACE_TX, 1);
+ }
+ else if (unformat (input, "on"))
+ {
+ vl_msg_api_trace_onoff (am, VL_API_TRACE_RX, 1);
+ }
+ else if (unformat (input, "off"))
+ {
+ vl_msg_api_trace_onoff (am, VL_API_TRACE_RX, 0);
+ vl_msg_api_trace_onoff (am, VL_API_TRACE_TX, 0);
+ }
+ else if (unformat (input, "free"))
+ {
+ vl_msg_api_trace_onoff (am, VL_API_TRACE_RX, 0);
+ vl_msg_api_trace_onoff (am, VL_API_TRACE_TX, 0);
+ vl_msg_api_trace_free (am, VL_API_TRACE_RX);
+ vl_msg_api_trace_free (am, VL_API_TRACE_TX);
+ }
+ else if (unformat (input, "debug on"))
+ {
+ am->msg_print_flag = 1;
+ }
+ else if (unformat (input, "debug off"))
+ {
+ am->msg_print_flag = 0;
+ }
+ else
+ return clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, input);
+ }
+ return 0;
- configure:
- if (vl_msg_api_trace_configure (am, which, nitems)) {
- vlib_cli_output (vm, "warning: trace configure error (%d, %d)",
- which, nitems);
+configure:
+ if (vl_msg_api_trace_configure (am, which, nitems))
+ {
+ vlib_cli_output (vm, "warning: trace configure error (%d, %d)",
+ which, nitems);
}
- out:
- return 0;
+ return 0;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (trace, static) = {
.path = "set api-trace",
.short_help = "API trace",
.function = vl_api_trace_command,
};
+/* *INDENT-ON* */
clib_error_t *
vlibmemory_init (vlib_main_t * vm)
{
api_main_t *am = &api_main;
- /* Normally NULL, can be set by cmd line "chroot {prefix foo}" */
- svm_region_init_chroot (am->root_path);
+ svm_map_region_args_t _a, *a = &_a;
+
+ memset (a, 0, sizeof (*a));
+ a->root_path = am->root_path;
+ a->name = SVM_GLOBAL_REGION_NAME;
+ a->baseva = (am->global_baseva != 0) ?
+ am->global_baseva : SVM_GLOBAL_REGION_BASEVA;
+ a->size = (am->global_size != 0) ? am->global_size : SVM_GLOBAL_REGION_SIZE;
+ a->flags = SVM_FLAGS_NODATA;
+ a->uid = am->api_uid;
+ a->gid = am->api_gid;
+ a->pvt_heap_size =
+ (am->global_pvt_heap_size !=
+ 0) ? am->global_pvt_heap_size : SVM_PVT_MHEAP_SIZE;
+
+ svm_region_init_args (a);
return 0;
}
VLIB_INIT_FUNCTION (vlibmemory_init);
-void vl_set_memory_region_name (char *name)
+void
+vl_set_memory_region_name (char *name)
{
- api_main_t *am = &api_main;
+ api_main_t *am = &api_main;
- am->region_name = name;
+ am->region_name = name;
}
-static int range_compare (vl_api_msg_range_t * a0, vl_api_msg_range_t * a1)
+static int
+range_compare (vl_api_msg_range_t * a0, vl_api_msg_range_t * a1)
{
- int len0, len1, clen;
+ int len0, len1, clen;
- len0 = vec_len (a0->name);
- len1 = vec_len (a1->name);
- clen = len0 < len1 ? len0 : len1;
- return (strncmp ((char *) a0->name, (char *)a1->name, clen));
+ len0 = vec_len (a0->name);
+ len1 = vec_len (a1->name);
+ clen = len0 < len1 ? len0 : len1;
+ return (strncmp ((char *) a0->name, (char *) a1->name, clen));
}
-static u8 * format_api_msg_range (u8 * s, va_list * args)
+static u8 *
+format_api_msg_range (u8 * s, va_list * args)
{
- vl_api_msg_range_t * rp = va_arg (*args, vl_api_msg_range_t *);
+ vl_api_msg_range_t *rp = va_arg (*args, vl_api_msg_range_t *);
- if (rp == 0)
- s = format (s, "%-20s%9s%9s", "Name", "First-ID", "Last-ID");
- else
- s = format (s, "%-20s%9d%9d", rp->name, rp->first_msg_id,
- rp->last_msg_id);
-
- return s;
+ if (rp == 0)
+ s = format (s, "%-20s%9s%9s", "Name", "First-ID", "Last-ID");
+ else
+ s = format (s, "%-20s%9d%9d", rp->name, rp->first_msg_id,
+ rp->last_msg_id);
+
+ return s;
}
static clib_error_t *
-vl_api_show_plugin_command(vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cli_cmd)
+vl_api_show_plugin_command (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cli_cmd)
{
- api_main_t *am = &api_main;
- vl_api_msg_range_t * rp = 0;
- int i;
-
- if (vec_len (am->msg_ranges) == 0) {
- vlib_cli_output (vm, "No plugin API message ranges configured...");
- return 0;
+ api_main_t *am = &api_main;
+ vl_api_msg_range_t *rp = 0;
+ int i;
+
+ if (vec_len (am->msg_ranges) == 0)
+ {
+ vlib_cli_output (vm, "No plugin API message ranges configured...");
+ return 0;
}
-
- rp = vec_dup (am->msg_ranges);
- vec_sort_with_function (rp, range_compare);
-
- vlib_cli_output (vm, "Plugin API message ID ranges...\n");
- vlib_cli_output (vm, "%U", format_api_msg_range, 0 /* header */);
+ rp = vec_dup (am->msg_ranges);
+
+ vec_sort_with_function (rp, range_compare);
+
+ vlib_cli_output (vm, "Plugin API message ID ranges...\n");
+ vlib_cli_output (vm, "%U", format_api_msg_range, 0 /* header */ );
- for (i = 0; i < vec_len (rp); i++)
- vlib_cli_output (vm, "%U", format_api_msg_range, rp+i);
+ for (i = 0; i < vec_len (rp); i++)
+ vlib_cli_output (vm, "%U", format_api_msg_range, rp + i);
- return 0;
+ return 0;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (cli_show_api_plugin_command, static) = {
.path = "show api plugin",
.short_help = "show api plugin",
.function = vl_api_show_plugin_command,
};
+/* *INDENT-ON* */
-static void vl_api_rpc_call_t_handler (vl_api_rpc_call_t * mp)
+static void
+vl_api_rpc_call_t_handler (vl_api_rpc_call_t * mp)
{
- vl_api_rpc_reply_t * rmp;
- int (*fp)(void *);
+ vl_api_rpc_reply_t *rmp;
+ int (*fp) (void *);
i32 rv = 0;
- vlib_main_t * vm = vlib_get_main();
+ vlib_main_t *vm = vlib_get_main ();
if (mp->function == 0)
{
rv = -1;
clib_warning ("rpc NULL function pointer");
}
-
+
else
{
if (mp->need_barrier_sync)
- vlib_worker_thread_barrier_sync (vm);
+ vlib_worker_thread_barrier_sync (vm);
- fp = uword_to_pointer(mp->function, int(*)(void *));
- rv = fp(mp->data);
+ fp = uword_to_pointer (mp->function, int (*)(void *));
+ rv = fp (mp->data);
if (mp->need_barrier_sync)
- vlib_worker_thread_barrier_release (vm);
+ vlib_worker_thread_barrier_release (vm);
}
if (mp->send_reply)
{
- unix_shared_memory_queue_t * q =
- vl_api_client_index_to_input_queue (mp->client_index);
+ unix_shared_memory_queue_t *q =
+ vl_api_client_index_to_input_queue (mp->client_index);
if (q)
- {
- rmp = vl_msg_api_alloc_as_if_client (sizeof (*rmp));
- rmp->_vl_msg_id = ntohs (VL_API_RPC_REPLY);
- rmp->context = mp->context;
- rmp->retval = rv;
- vl_msg_api_send_shmem (q, (u8 *)&rmp);
- }
+ {
+ rmp = vl_msg_api_alloc_as_if_client (sizeof (*rmp));
+ rmp->_vl_msg_id = ntohs (VL_API_RPC_REPLY);
+ rmp->context = mp->context;
+ rmp->retval = rv;
+ vl_msg_api_send_shmem (q, (u8 *) & rmp);
+ }
}
if (mp->multicast)
{
}
}
-static void vl_api_rpc_reply_t_handler (vl_api_rpc_reply_t * mp)
-{ clib_warning ("unimplemented"); }
+static void
+vl_api_rpc_reply_t_handler (vl_api_rpc_reply_t * mp)
+{
+ clib_warning ("unimplemented");
+}
-void vl_api_rpc_call_main_thread (void *fp, u8 * data, u32 data_length)
+void
+vl_api_rpc_call_main_thread (void *fp, u8 * data, u32 data_length)
{
- vl_api_rpc_call_t * mp;
+ vl_api_rpc_call_t *mp;
api_main_t *am = &api_main;
vl_shmem_hdr_t *shmem_hdr = am->shmem_hdr;
+ unix_shared_memory_queue_t *q;
+
+ /* Main thread: call the function directly */
+ if (os_get_cpu_number () == 0)
+ {
+ vlib_main_t *vm = vlib_get_main ();
+ void (*call_fp) (void *);
+
+ vlib_worker_thread_barrier_sync (vm);
+
+ call_fp = fp;
+ call_fp (data);
+ vlib_worker_thread_barrier_release (vm);
+ return;
+ }
+
+ /* Any other thread, actually do an RPC call... */
mp = vl_msg_api_alloc_as_if_client (sizeof (*mp) + data_length);
+
memset (mp, 0, sizeof (*mp));
- memcpy (mp->data, data, data_length);
+ clib_memcpy (mp->data, data, data_length);
mp->_vl_msg_id = ntohs (VL_API_RPC_CALL);
- mp->function = pointer_to_uword(fp);
+ mp->function = pointer_to_uword (fp);
mp->need_barrier_sync = 1;
-
- /* Use the "normal" control-plane mechanism for the main thread */
- vl_msg_api_send_shmem (shmem_hdr->vl_input_queue, (u8 *)&mp);
+
+ /*
+ * Use the "normal" control-plane mechanism for the main thread.
+ * Well, almost. if the main input queue is full, we cannot
+ * block. Otherwise, we can expect a barrier sync timeout.
+ */
+ q = shmem_hdr->vl_input_queue;
+
+ while (pthread_mutex_trylock (&q->mutex))
+ vlib_worker_thread_barrier_check ();
+
+ while (PREDICT_FALSE (unix_shared_memory_queue_is_full (q)))
+ {
+ pthread_mutex_unlock (&q->mutex);
+ vlib_worker_thread_barrier_check ();
+ while (pthread_mutex_trylock (&q->mutex))
+ vlib_worker_thread_barrier_check ();
+ }
+
+ vl_msg_api_send_shmem_nolock (q, (u8 *) & mp);
+
+ pthread_mutex_unlock (&q->mutex);
}
#define foreach_rpc_api_msg \
_(RPC_REPLY,rpc_reply)
static clib_error_t *
-rpc_api_hookup (vlib_main_t *vm)
+rpc_api_hookup (vlib_main_t * vm)
{
#define _(N,n) \
vl_msg_api_set_handlers(VL_API_##N, #n, \
vl_noop_handler, \
vl_noop_handler, \
vl_api_##n##_t_print, \
- sizeof(vl_api_##n##_t), 0 /* do not trace */);
- foreach_rpc_api_msg;
+ sizeof(vl_api_##n##_t), 0 /* do not trace */);
+ foreach_rpc_api_msg;
#undef _
- return 0;
+ return 0;
}
-VLIB_API_INIT_FUNCTION(rpc_api_hookup);
+VLIB_API_INIT_FUNCTION (rpc_api_hookup);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
Code Review / vpp.git / blobdiff