api: keep api common code in vlibapi

Type: refactor
Change-Id: I6edbff9a02fcb3c592ccfe8f47ddb3f848be1b6d
Signed-off-by: Damjan Marion <damarion@cisco.com>

1 files changed, 0 insertions, 817 deletions

diff --git a/src/vlibmemory/memory_shared.c b/src/vlibmemory/memory_shared.c
deleted file mode 100644
index 77a610b9434..00000000000
--- a/src/vlibmemory/memory_shared.c
+++ /dev/null
@@ -1,817 +0,0 @@
-/*
- *------------------------------------------------------------------
- * memclnt_shared.c - API message handling, common code for both clients
- * and the vlib process itself.
- *
- *
- * Copyright (c) 2009 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 <stdio.h>
-#include <stdlib.h>
-#include <stddef.h>
-#include <string.h>
-#include <unistd.h>
-#include <signal.h>
-
-#include <vppinfra/format.h>
-#include <vppinfra/byte_order.h>
-#include <vppinfra/error.h>
-#include <vppinfra/elog.h>
-#include <svm/queue.h>
-#include <vlib/vlib.h>
-#include <vlib/unix/unix.h>
-#include <vlibmemory/memory_api.h>
-#include <vlibmemory/vl_memory_msg_enum.h>
-#include <vlibapi/api_common.h>
-
-#define vl_typedefs
-#include <vlibmemory/vl_memory_api_h.h>
-#undef vl_typedefs
-
-#define DEBUG_MESSAGE_BUFFER_OVERRUN 0
-
-__clib_nosanitize_addr static inline void *
-vl_msg_api_alloc_internal (svm_region_t *vlib_rp, int nbytes, int pool,
-			   int may_return_null)
-{
-  int i;
-  msgbuf_t *rv;
-  ring_alloc_t *ap;
-  svm_queue_t *q;
-  void *oldheap;
-  vl_shmem_hdr_t *shmem_hdr;
-  api_main_t *am = vlibapi_get_main ();
-
-  shmem_hdr = (void *) vlib_rp->user_ctx;
-
-#if DEBUG_MESSAGE_BUFFER_OVERRUN > 0
-  nbytes += 4;
-#endif
-
-  ASSERT (pool == 0 || vlib_get_thread_index () == 0);
-
-  if (shmem_hdr == 0)
-    {
-      clib_warning ("shared memory header NULL");
-      return 0;
-    }
-
-  /* account for the msgbuf_t header */
-  nbytes += sizeof (msgbuf_t);
-
-  if (shmem_hdr->vl_rings == 0)
-    {
-      clib_warning ("vl_rings NULL");
-      ASSERT (0);
-      abort ();
-    }
-
-  if (shmem_hdr->client_rings == 0)
-    {
-      clib_warning ("client_rings NULL");
-      ASSERT (0);
-      abort ();
-    }
-
-  ap = pool ? shmem_hdr->vl_rings : shmem_hdr->client_rings;
-  for (i = 0; i < vec_len (ap); i++)
-    {
-      /* Too big? */
-      if (nbytes > ap[i].size)
-	{
-	  continue;
-	}
-
-      q = ap[i].rp;
-      if (pool == 0)
-	{
-	  pthread_mutex_lock (&q->mutex);
-	}
-      rv = (msgbuf_t *) (&q->data[0] + q->head * q->elsize);
-      /*
-       * Is this item still in use?
-       */
-      if (rv->q)
-	{
-	  u32 now = (u32) time (0);
-
-	  if (PREDICT_TRUE (rv->gc_mark_timestamp == 0))
-	    rv->gc_mark_timestamp = now;
-	  else
-	    {
-	      if (now - rv->gc_mark_timestamp > 10)
-		{
-		  if (CLIB_DEBUG > 0)
-		    {
-		      u16 *msg_idp, msg_id;
-		      vl_api_msg_data_t *m;
-		      clib_warning
-			("garbage collect pool %d ring %d index %d", pool, i,
-			 q->head);
-		      msg_idp = (u16 *) (rv->data);
-		      msg_id = clib_net_to_host_u16 (*msg_idp);
-		      m = vl_api_get_msg_data (am, msg_id);
-		      if (m)
-			clib_warning ("msg id %d name %s", (u32) msg_id,
-				      m->name);
-		    }
-		  shmem_hdr->garbage_collects++;
-		  goto collected;
-		}
-	    }
-
-
-	  /* yes, loser; try next larger pool */
-	  ap[i].misses++;
-	  if (pool == 0)
-	    pthread_mutex_unlock (&q->mutex);
-	  continue;
-	}
-    collected:
-
-      /* OK, we have a winner */
-      ap[i].hits++;
-      /*
-       * Remember the source queue, although we
-       * don't need to know the queue to free the item.
-       */
-      rv->q = q;
-      rv->gc_mark_timestamp = 0;
-      q->head++;
-      if (q->head == q->maxsize)
-	q->head = 0;
-
-      if (pool == 0)
-	pthread_mutex_unlock (&q->mutex);
-      goto out;
-    }
-
-  /*
-   * Request too big, or head element of all size-compatible rings
-   * still in use. Fall back to shared-memory malloc.
-   */
-  am->ring_misses++;
-
-  oldheap = vl_msg_push_heap_w_region (vlib_rp);
-  if (may_return_null)
-    {
-      rv = clib_mem_alloc_or_null (nbytes);
-      if (PREDICT_FALSE (rv == 0))
-	{
-	  vl_msg_pop_heap_w_region (vlib_rp, oldheap);
-	  return 0;
-	}
-    }
-  else
-    rv = clib_mem_alloc (nbytes);
-
-  rv->q = 0;
-  rv->gc_mark_timestamp = 0;
-  vl_msg_pop_heap_w_region (vlib_rp, oldheap);
-
-out:
-#if DEBUG_MESSAGE_BUFFER_OVERRUN > 0
-  {
-    nbytes -= 4;
-    u32 *overrun;
-    overrun = (u32 *) (rv->data + nbytes - sizeof (msgbuf_t));
-    *overrun = 0x1badbabe;
-  }
-#endif
-  rv->data_len = htonl (nbytes - sizeof (msgbuf_t));
-
-  VL_MSG_API_UNPOISON (rv->data);
-  return (rv->data);
-}
-
-void *
-vl_msg_api_alloc (int nbytes)
-{
-  int pool;
-  api_main_t *am = vlibapi_get_main ();
-  vl_shmem_hdr_t *shmem_hdr = am->shmem_hdr;
-
-  /*
-   * Clients use pool-0, vlib proc uses pool 1
-   */
-  pool = (am->our_pid == shmem_hdr->vl_pid);
-  return vl_msg_api_alloc_internal (am->vlib_rp, nbytes, pool,
-				    0 /* may_return_null */ );
-}
-
-void *
-vl_msg_api_alloc_zero (int nbytes)
-{
-  void *ret;
-
-  ret = vl_msg_api_alloc (nbytes);
-  clib_memset (ret, 0, nbytes);
-  return ret;
-}
-
-void *
-vl_msg_api_alloc_or_null (int nbytes)
-{
-  int pool;
-  api_main_t *am = vlibapi_get_main ();
-  vl_shmem_hdr_t *shmem_hdr = am->shmem_hdr;
-
-  pool = (am->our_pid == shmem_hdr->vl_pid);
-  return vl_msg_api_alloc_internal (am->vlib_rp, nbytes, pool,
-				    1 /* may_return_null */ );
-}
-
-void *
-vl_msg_api_alloc_as_if_client (int nbytes)
-{
-  api_main_t *am = vlibapi_get_main ();
-  return vl_msg_api_alloc_internal (am->vlib_rp, nbytes, 0,
-				    0 /* may_return_null */ );
-}
-
-void *
-vl_msg_api_alloc_zero_as_if_client (int nbytes)
-{
-  void *ret;
-
-  ret = vl_msg_api_alloc_as_if_client (nbytes);
-  clib_memset (ret, 0, nbytes);
-  return ret;
-}
-
-void *
-vl_msg_api_alloc_as_if_client_or_null (int nbytes)
-{
-  api_main_t *am = vlibapi_get_main ();
-  return vl_msg_api_alloc_internal (am->vlib_rp, nbytes, 0,
-				    1 /* may_return_null */ );
-}
-
-void *
-vl_mem_api_alloc_as_if_client_w_reg (vl_api_registration_t * reg, int nbytes)
-{
-  return vl_msg_api_alloc_internal (reg->vlib_rp, nbytes, 0,
-				    0 /* may_return_null */ );
-}
-
-void
-vl_msg_api_free_w_region (svm_region_t * vlib_rp, void *a)
-{
-  msgbuf_t *rv;
-  void *oldheap;
-
-  rv = (msgbuf_t *) (((u8 *) a) - offsetof (msgbuf_t, data));
-
-  /*
-   * Here's the beauty of the scheme.  Only one proc/thread has
-   * control of a given message buffer. To free a buffer, we just clear the
-   * queue field, and leave. No locks, no hits, no errors...
-   */
-  if (rv->q)
-    {
-      rv->q = 0;
-      rv->gc_mark_timestamp = 0;
-#if DEBUG_MESSAGE_BUFFER_OVERRUN > 0
-      {
-	u32 *overrun;
-	overrun = (u32 *) (rv->data + ntohl (rv->data_len));
-	ASSERT (*overrun == 0x1badbabe);
-      }
-#endif
-      VL_MSG_API_POISON (rv->data);
-      return;
-    }
-
-  oldheap = vl_msg_push_heap_w_region (vlib_rp);
-
-#if DEBUG_MESSAGE_BUFFER_OVERRUN > 0
-  {
-    u32 *overrun;
-    overrun = (u32 *) (rv->data + ntohl (rv->data_len));
-    ASSERT (*overrun == 0x1badbabe);
-  }
-#endif
-
-  clib_mem_free (rv);
-  vl_msg_pop_heap_w_region (vlib_rp, oldheap);
-}
-
-void
-vl_msg_api_free (void *a)
-{
-  api_main_t *am = vlibapi_get_main ();
-  vl_msg_api_free_w_region (am->vlib_rp, a);
-}
-
-static void
-vl_msg_api_free_nolock (void *a)
-{
-  msgbuf_t *rv;
-  void *oldheap;
-  api_main_t *am = vlibapi_get_main ();
-
-  rv = (msgbuf_t *) (((u8 *) a) - offsetof (msgbuf_t, data));
-  /*
-   * Here's the beauty of the scheme.  Only one proc/thread has
-   * control of a given message buffer. To free a buffer, we just clear the
-   * queue field, and leave. No locks, no hits, no errors...
-   */
-  if (rv->q)
-    {
-      rv->q = 0;
-      VL_MSG_API_POISON (rv->data);
-      return;
-    }
-
-  oldheap = svm_push_data_heap (am->vlib_rp);
-  clib_mem_free (rv);
-  svm_pop_heap (oldheap);
-}
-
-void
-vl_set_memory_root_path (const char *name)
-{
-  api_main_t *am = vlibapi_get_main ();
-
-  am->root_path = name;
-}
-
-void
-vl_set_memory_uid (int uid)
-{
-  api_main_t *am = vlibapi_get_main ();
-
-  am->api_uid = uid;
-}
-
-void
-vl_set_memory_gid (int gid)
-{
-  api_main_t *am = vlibapi_get_main ();
-
-  am->api_gid = gid;
-}
-
-void
-vl_set_global_memory_baseva (u64 baseva)
-{
-  api_main_t *am = vlibapi_get_main ();
-
-  am->global_baseva = baseva;
-}
-
-void
-vl_set_global_memory_size (u64 size)
-{
-  api_main_t *am = vlibapi_get_main ();
-
-  am->global_size = size;
-}
-
-void
-vl_set_api_memory_size (u64 size)
-{
-  api_main_t *am = vlibapi_get_main ();
-
-  am->api_size = size;
-}
-
-void
-vl_set_global_pvt_heap_size (u64 size)
-{
-  api_main_t *am = vlibapi_get_main ();
-
-  am->global_pvt_heap_size = size;
-}
-
-void
-vl_set_api_pvt_heap_size (u64 size)
-{
-  api_main_t *am = vlibapi_get_main ();
-
-  am->api_pvt_heap_size = size;
-}
-
-static void
-vl_api_default_mem_config (vl_shmem_hdr_t * shmem_hdr)
-{
-  api_main_t *am = vlibapi_get_main ();
-  u32 vlib_input_queue_length;
-
-  /* vlib main input queue */
-  vlib_input_queue_length = 1024;
-  if (am->vlib_input_queue_length)
-    vlib_input_queue_length = am->vlib_input_queue_length;
-
-  shmem_hdr->vl_input_queue =
-    svm_queue_alloc_and_init (vlib_input_queue_length, sizeof (uword),
-			      getpid ());
-
-#define _(sz,n)                                                 \
-    do {                                                        \
-        ring_alloc_t _rp;                                       \
-        _rp.rp = svm_queue_alloc_and_init ((n), (sz), 0); 	\
-        _rp.size = (sz);                                        \
-        _rp.nitems = n;                                         \
-        _rp.hits = 0;                                           \
-        _rp.misses = 0;                                         \
-        vec_add1(shmem_hdr->vl_rings, _rp);                     \
-    } while (0);
-
-  foreach_vl_aring_size;
-#undef _
-
-#define _(sz,n)                                                 \
-    do {                                                        \
-        ring_alloc_t _rp;                                       \
-        _rp.rp = svm_queue_alloc_and_init ((n), (sz), 0); 	\
-        _rp.size = (sz);                                        \
-        _rp.nitems = n;                                         \
-        _rp.hits = 0;                                           \
-        _rp.misses = 0;                                         \
-        vec_add1(shmem_hdr->client_rings, _rp);                 \
-    } while (0);
-
-  foreach_clnt_aring_size;
-#undef _
-}
-
-void
-vl_api_mem_config (vl_shmem_hdr_t * hdr, vl_api_shm_elem_config_t * config)
-{
-  vl_api_shm_elem_config_t *c;
-  ring_alloc_t *rp;
-  u32 size;
-
-  if (!config)
-    {
-      vl_api_default_mem_config (hdr);
-      return;
-    }
-
-  vec_foreach (c, config)
-  {
-    switch (c->type)
-      {
-      case VL_API_QUEUE:
-	hdr->vl_input_queue = svm_queue_alloc_and_init (c->count, c->size,
-							getpid ());
-	continue;
-      case VL_API_VLIB_RING:
-	vec_add2 (hdr->vl_rings, rp, 1);
-	break;
-      case VL_API_CLIENT_RING:
-	vec_add2 (hdr->client_rings, rp, 1);
-	break;
-      default:
-	clib_warning ("unknown config type: %d", c->type);
-	continue;
-      }
-
-    size = sizeof (ring_alloc_t) + c->size;
-    rp->rp = svm_queue_alloc_and_init (c->count, size, 0);
-    rp->size = size;
-    rp->nitems = c->count;
-    rp->hits = 0;
-    rp->misses = 0;
-  }
-}
-
-void
-vl_init_shmem (svm_region_t * vlib_rp, vl_api_shm_elem_config_t * config,
-	       int is_vlib, int is_private_region)
-{
-  api_main_t *am = vlibapi_get_main ();
-  vl_shmem_hdr_t *shmem_hdr = 0;
-  void *oldheap;
-  ASSERT (vlib_rp);
-
-  /* $$$$ need private region config parameters */
-
-  oldheap = svm_push_data_heap (vlib_rp);
-
-  vec_validate (shmem_hdr, 0);
-  shmem_hdr->version = VL_SHM_VERSION;
-  shmem_hdr->clib_file_index = VL_API_INVALID_FI;
-
-  /* Set up the queue and msg ring allocator */
-  vl_api_mem_config (shmem_hdr, config);
-
-  if (is_private_region == 0)
-    {
-      am->shmem_hdr = shmem_hdr;
-      am->vlib_rp = vlib_rp;
-      am->our_pid = getpid ();
-      if (is_vlib)
-	am->shmem_hdr->vl_pid = am->our_pid;
-    }
-  else
-    shmem_hdr->vl_pid = am->our_pid;
-
-  svm_pop_heap (oldheap);
-
-  /*
-   * After absolutely everything that a client might see is set up,
-   * declare the shmem region valid
-   */
-  vlib_rp->user_ctx = shmem_hdr;
-
-  pthread_mutex_unlock (&vlib_rp->mutex);
-}
-
-int
-vl_map_shmem (const char *region_name, int is_vlib)
-{
-  svm_map_region_args_t _a, *a = &_a;
-  svm_region_t *vlib_rp, *root_rp;
-  api_main_t *am = vlibapi_get_main ();
-  int i;
-  struct timespec ts, tsrem;
-  char *vpe_api_region_suffix = "-vpe-api";
-
-  clib_memset (a, 0, sizeof (*a));
-
-  if (strstr (region_name, vpe_api_region_suffix))
-    {
-      u8 *root_path = format (0, "%s", region_name);
-      vec_set_len (root_path,
-		   vec_len (root_path) - strlen (vpe_api_region_suffix));
-      vec_terminate_c_string (root_path);
-      a->root_path = (const char *) root_path;
-      am->root_path = (const char *) root_path;
-    }
-
-  if (is_vlib == 0)
-    {
-      int tfd;
-      u8 *api_name;
-      /*
-       * Clients wait for vpp to set up the root / API regioins
-       */
-      if (am->root_path)
-	api_name = format (0, "/dev/shm/%s-%s%c", am->root_path,
-			   region_name + 1, 0);
-      else
-	api_name = format (0, "/dev/shm%s%c", region_name, 0);
-
-      /* Wait up to 100 seconds... */
-      for (i = 0; i < 10000; i++)
-	{
-	  ts.tv_sec = 0;
-	  ts.tv_nsec = 10000 * 1000;	/* 10 ms */
-	  while (nanosleep (&ts, &tsrem) < 0)
-	    ts = tsrem;
-	  tfd = open ((char *) api_name, O_RDWR);
-	  if (tfd >= 0)
-	    break;
-	}
-      vec_free (api_name);
-      if (tfd < 0)
-	{
-	  clib_warning ("region init fail");
-	  return -2;
-	}
-      close (tfd);
-      svm_region_init_chroot_uid_gid (am->root_path, getuid (), getgid ());
-    }
-
-  if (a->root_path != NULL)
-    {
-      a->name = "/vpe-api";
-    }
-  else
-    a->name = region_name;
-  a->size = am->api_size ? am->api_size : (16 << 20);
-  a->flags = SVM_FLAGS_MHEAP;
-  a->uid = am->api_uid;
-  a->gid = am->api_gid;
-  a->pvt_heap_size = am->api_pvt_heap_size;
-
-  vlib_rp = svm_region_find_or_create (a);
-
-  if (vlib_rp == 0)
-    return (-2);
-
-  pthread_mutex_lock (&vlib_rp->mutex);
-  /* Has someone else set up the shared-memory variable table? */
-  if (vlib_rp->user_ctx)
-    {
-      am->shmem_hdr = (void *) vlib_rp->user_ctx;
-      am->our_pid = getpid ();
-      if (is_vlib)
-	{
-	  svm_queue_t *q;
-	  uword old_msg;
-	  /*
-	   * application restart. Reset cached pids, API message
-	   * rings, list of clients; otherwise, various things
-	   * fail. (e.g. queue non-empty notification)
-	   */
-
-	  /* ghosts keep the region from disappearing properly */
-	  svm_client_scan_this_region_nolock (vlib_rp);
-	  am->shmem_hdr->application_restarts++;
-	  q = am->shmem_hdr->vl_input_queue;
-	  am->shmem_hdr->vl_pid = getpid ();
-	  q->consumer_pid = am->shmem_hdr->vl_pid;
-	  /* Drain the input queue, freeing msgs */
-	  for (i = 0; i < 10; i++)
-	    {
-	      if (pthread_mutex_trylock (&q->mutex) == 0)
-		{
-		  pthread_mutex_unlock (&q->mutex);
-		  goto mutex_ok;
-		}
-	      ts.tv_sec = 0;
-	      ts.tv_nsec = 10000 * 1000;	/* 10 ms */
-	      while (nanosleep (&ts, &tsrem) < 0)
-		ts = tsrem;
-	    }
-	  /* Mutex buggered, "fix" it */
-	  clib_memset (&q->mutex, 0, sizeof (q->mutex));
-	  clib_warning ("forcibly release main input queue mutex");
-
-	mutex_ok:
-	  am->vlib_rp = vlib_rp;
-	  while (svm_queue_sub (q, (u8 *) & old_msg, SVM_Q_NOWAIT, 0)
-		 != -2 /* queue underflow */ )
-	    {
-	      vl_msg_api_free_nolock ((void *) old_msg);
-	      am->shmem_hdr->restart_reclaims++;
-	    }
-	  pthread_mutex_unlock (&vlib_rp->mutex);
-	  root_rp = svm_get_root_rp ();
-	  ASSERT (root_rp);
-	  /* Clean up the root region client list */
-	  pthread_mutex_lock (&root_rp->mutex);
-	  svm_client_scan_this_region_nolock (root_rp);
-	  pthread_mutex_unlock (&root_rp->mutex);
-	}
-      else
-	{
-	  pthread_mutex_unlock (&vlib_rp->mutex);
-	}
-      am->vlib_rp = vlib_rp;
-      vec_add1 (am->mapped_shmem_regions, vlib_rp);
-      return 0;
-    }
-  /* Clients simply have to wait... */
-  if (!is_vlib)
-    {
-      pthread_mutex_unlock (&vlib_rp->mutex);
-
-      /* Wait up to 100 seconds... */
-      for (i = 0; i < 10000; i++)
-	{
-	  ts.tv_sec = 0;
-	  ts.tv_nsec = 10000 * 1000;	/* 10 ms */
-	  while (nanosleep (&ts, &tsrem) < 0)
-	    ts = tsrem;
-	  if (vlib_rp->user_ctx)
-	    goto ready;
-	}
-      /* Clean up and leave... */
-      svm_region_unmap (vlib_rp);
-      clib_warning ("region init fail");
-      return (-2);
-
-    ready:
-      am->shmem_hdr = (void *) vlib_rp->user_ctx;
-      am->our_pid = getpid ();
-      am->vlib_rp = vlib_rp;
-      vec_add1 (am->mapped_shmem_regions, vlib_rp);
-      return 0;
-    }
-
-  /* Nope, it's our problem... */
-  vl_init_shmem (vlib_rp, 0 /* default config */ , 1 /* is vlib */ ,
-		 0 /* is_private_region */ );
-
-  vec_add1 (am->mapped_shmem_regions, vlib_rp);
-  return 0;
-}
-
-void
-vl_register_mapped_shmem_region (svm_region_t * rp)
-{
-  api_main_t *am = vlibapi_get_main ();
-
-  vec_add1 (am->mapped_shmem_regions, rp);
-}
-
-static void
-vl_unmap_shmem_internal (u8 is_client)
-{
-  svm_region_t *rp;
-  int i;
-  api_main_t *am = vlibapi_get_main ();
-
-  if (!svm_get_root_rp ())
-    return;
-
-  for (i = 0; i < vec_len (am->mapped_shmem_regions); i++)
-    {
-      rp = am->mapped_shmem_regions[i];
-      is_client ? svm_region_unmap_client (rp) : svm_region_unmap (rp);
-    }
-
-  vec_free (am->mapped_shmem_regions);
-  am->shmem_hdr = 0;
-
-  is_client ? svm_region_exit_client () : svm_region_exit ();
-
-  vec_free (am->msg_data);
-}
-
-void
-vl_unmap_shmem (void)
-{
-  vl_unmap_shmem_internal (0);
-}
-
-void
-vl_unmap_shmem_client (void)
-{
-  vl_unmap_shmem_internal (1);
-}
-
-void
-vl_msg_api_send_shmem (svm_queue_t * q, u8 * elem)
-{
-  api_main_t *am = vlibapi_get_main ();
-  void *msg = (void *) *(uword *) elem;
-
-  if (am->tx_trace && am->tx_trace->enabled)
-    vl_msg_api_trace (am, am->tx_trace, msg);
-
-  /*
-   * Announce a probable binary API client bug:
-   * some client's input queue is stuffed.
-   * The situation may be recoverable, or not.
-   */
-  if (PREDICT_FALSE
-      (am->vl_clients /* vpp side */  && (q->cursize == q->maxsize)))
-    {
-      if (PREDICT_FALSE (am->elog_trace_api_messages))
-	{
-          /* *INDENT-OFF* */
-          ELOG_TYPE_DECLARE (e) =
-            {
-              .format = "api-client-queue-stuffed: %x%x",
-              .format_args = "i4i4",
-            };
-          /* *INDENT-ON* */
-	  struct
-	  {
-	    u32 hi, low;
-	  } *ed;
-	  ed = ELOG_DATA (am->elog_main, e);
-	  ed->hi = (uword) q >> 32;
-	  ed->low = (uword) q & 0xFFFFFFFF;
-	  clib_warning ("WARNING: client input queue at %llx is stuffed...",
-			q);
-	}
-    }
-  VL_MSG_API_POISON (msg);
-  (void) svm_queue_add (q, elem, 0 /* nowait */ );
-}
-
-int
-vl_mem_api_can_send (svm_queue_t * q)
-{
-  return (q->cursize < q->maxsize);
-}
-
-void
-vl_msg_api_send_shmem_nolock (svm_queue_t * q, u8 * elem)
-{
-  api_main_t *am = vlibapi_get_main ();
-  void *msg = (void *) *(uword *) elem;
-
-  if (am->tx_trace && am->tx_trace->enabled)
-    vl_msg_api_trace (am, am->tx_trace, msg);
-
-  (void) svm_queue_add_nolock (q, elem);
-  VL_MSG_API_POISON (msg);
-}
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */