*------------------------------------------------------------------
*/
-#include <stdio.h>
-#include <stdlib.h>
#include <setjmp.h>
-#include <sys/types.h>
-#include <sys/mman.h>
-#include <sys/stat.h>
-#include <netinet/in.h>
-#include <signal.h>
-#include <pthread.h>
-#include <unistd.h>
-#include <time.h>
-#include <fcntl.h>
-#include <string.h>
-#include <vppinfra/clib.h>
-#include <vppinfra/vec.h>
+
+#include <svm/svm.h>
+#include <svm/ssvm.h>
+#include <vppinfra/serialize.h>
#include <vppinfra/hash.h>
-#include <vppinfra/bitmap.h>
-#include <vppinfra/fifo.h>
-#include <vppinfra/time.h>
-#include <vppinfra/mheap.h>
-#include <vppinfra/heap.h>
-#include <vppinfra/pool.h>
-#include <vppinfra/format.h>
-
-#include <vlib/vlib.h>
-#include <vlib/unix/unix.h>
-#include <vlibmemory/api.h>
+#include <vlibmemory/memory_client.h>
+
+/* A hack. vl_client_get_first_plugin_msg_id depends on it */
+#include <vlibmemory/socket_client.h>
#include <vlibmemory/vl_memory_msg_enum.h>
static void *
rx_thread_fn (void *arg)
{
- unix_shared_memory_queue_t *q;
+ svm_queue_t *q;
memory_client_main_t *mm = &memory_client_main;
api_main_t *am = &api_main;
+ int i;
q = am->vl_input_queue;
if (setjmp (mm->rx_thread_jmpbuf) == 0)
{
mm->rx_thread_jmpbuf_valid = 1;
- while (1)
+ /*
+ * Find an unused slot in the per-cpu-mheaps array,
+ * and grab it for this thread. We need to be able to
+ * push/pop the thread heap without affecting other thread(s).
+ */
+ if (__os_thread_index == 0)
{
- vl_msg_api_queue_handler (q);
+ for (i = 0; i < ARRAY_LEN (clib_per_cpu_mheaps); i++)
+ {
+ if (clib_per_cpu_mheaps[i] == 0)
+ {
+ /* Copy the main thread mheap pointer */
+ clib_per_cpu_mheaps[i] = clib_per_cpu_mheaps[0];
+ __os_thread_index = i;
+ break;
+ }
+ }
+ ASSERT (__os_thread_index > 0);
}
+ while (1)
+ vl_msg_api_queue_handler (q);
}
pthread_exit (0);
}
longjmp (mm->rx_thread_jmpbuf, 1);
}
+static void
+vl_api_name_and_crc_free (void)
+{
+ api_main_t *am = &api_main;
+ int i;
+ u8 **keys = 0;
+ hash_pair_t *hp;
+
+ if (!am->msg_index_by_name_and_crc)
+ return;
+
+ /* *INDENT-OFF* */
+ hash_foreach_pair (hp, am->msg_index_by_name_and_crc,
+ ({
+ vec_add1 (keys, (u8 *) hp->key);
+ }));
+ /* *INDENT-ON* */
+ for (i = 0; i < vec_len (keys); i++)
+ vec_free (keys[i]);
+ vec_free (keys);
+ hash_free (am->msg_index_by_name_and_crc);
+}
+
static void
vl_api_memclnt_create_reply_t_handler (vl_api_memclnt_create_reply_t * mp)
{
am->my_registration = (vl_api_registration_t *) (uword) mp->handle;
/* Clean out any previous hash table (unlikely) */
- if (am->msg_index_by_name_and_crc)
- {
- int i;
- u8 **keys = 0;
- hash_pair_t *hp;
- /* *INDENT-OFF* */
- hash_foreach_pair (hp, am->msg_index_by_name_and_crc,
- ({
- vec_add1 (keys, (u8 *) hp->key);
- }));
- /* *INDENT-ON* */
- for (i = 0; i < vec_len (keys); i++)
- vec_free (keys[i]);
- vec_free (keys);
- }
+ vl_api_name_and_crc_free ();
am->msg_index_by_name_and_crc = hash_create_string (0, sizeof (uword));
/* Recreate the vnet-side API message handler table */
tblv = uword_to_pointer (mp->message_table, u8 *);
- serialize_open_vector (sm, tblv);
+ unserialize_open_data (sm, tblv, vec_len (tblv));
unserialize_integer (sm, &nmsgs, sizeof (u32));
for (i = 0; i < nmsgs; i++)
svm_region_t *svm;
vl_api_memclnt_create_t *mp;
vl_api_memclnt_create_reply_t *rp;
- unix_shared_memory_queue_t *vl_input_queue;
+ svm_queue_t *vl_input_queue;
vl_shmem_hdr_t *shmem_hdr;
int rv = 0;
void *oldheap;
pthread_mutex_lock (&svm->mutex);
oldheap = svm_push_data_heap (svm);
- vl_input_queue =
- unix_shared_memory_queue_init (input_queue_size, sizeof (uword),
+ vl_input_queue = svm_queue_init (input_queue_size, sizeof (uword),
getpid (), 0);
- pthread_mutex_unlock (&svm->mutex);
svm_pop_heap (oldheap);
+ pthread_mutex_unlock (&svm->mutex);
am->my_client_index = ~0;
am->my_registration = 0;
/* Wait up to 10 seconds */
for (i = 0; i < 1000; i++)
{
- qstatus = unix_shared_memory_queue_sub (vl_input_queue, (u8 *) & rp,
- 1 /* nowait */ );
+ qstatus = svm_queue_sub (vl_input_queue, (u8 *) & rp,
+ SVM_Q_NOWAIT, 0);
if (qstatus == 0)
goto read_one_msg;
ts.tv_sec = 0;
pthread_mutex_lock (&am->vlib_rp->mutex);
oldheap = svm_push_data_heap (am->vlib_rp);
- unix_shared_memory_queue_free (am->vl_input_queue);
+ svm_queue_free (am->vl_input_queue);
pthread_mutex_unlock (&am->vlib_rp->mutex);
svm_pop_heap (oldheap);
am->vl_input_queue = 0;
}
-void
+int
vl_client_disconnect (void)
{
vl_api_memclnt_delete_t *mp;
vl_api_memclnt_delete_reply_t *rp;
- unix_shared_memory_queue_t *vl_input_queue;
+ svm_queue_t *vl_input_queue;
vl_shmem_hdr_t *shmem_hdr;
time_t begin;
api_main_t *am = &api_main;
* Have to be careful here, in case the client is disconnecting
* because e.g. the vlib process died, or is unresponsive.
*/
-
begin = time (0);
while (1)
{
am->my_client_index = ~0;
am->my_registration = 0;
am->shmem_hdr = 0;
- break;
+ return -1;
}
- if (unix_shared_memory_queue_sub (vl_input_queue, (u8 *) & rp, 1) < 0)
+ if (svm_queue_sub (vl_input_queue, (u8 *) & rp, SVM_Q_NOWAIT, 0) < 0)
continue;
/* drain the queue */
if (ntohs (rp->_vl_msg_id) != VL_API_MEMCLNT_DELETE_REPLY)
{
+ clib_warning ("queue drain: %d", ntohs (rp->_vl_msg_id));
vl_msg_api_handler ((void *) rp);
continue;
}
vl_msg_api_handler ((void *) rp);
break;
}
+
+ vl_api_name_and_crc_free ();
+ return 0;
}
/**
_(MEMCLNT_DELETE_REPLY, memclnt_delete_reply) \
_(MEMCLNT_KEEPALIVE, memclnt_keepalive)
-
void
vl_client_install_client_message_handlers (void)
{
#undef _
}
-
int
vl_client_api_map (const char *region_name)
{
void
vl_client_api_unmap (void)
{
- vl_unmap_shmem ();
+ vl_unmap_shmem_client ();
+}
+
+u8
+vl_mem_client_is_connected (void)
+{
+ return (memory_client_main.connected_to_vlib != 0);
}
static int
0 /* dont map */ );
}
-void
-vl_client_disconnect_from_vlib (void)
+static void
+disconnect_from_vlib_internal (u8 do_unmap)
{
memory_client_main_t *mm = &memory_client_main;
api_main_t *am = &api_main;
if (mm->connected_to_vlib)
{
vl_client_disconnect ();
- vl_client_api_unmap ();
+ if (do_unmap)
+ vl_client_api_unmap ();
}
memset (mm, 0, sizeof (*mm));
}
+void
+vl_client_disconnect_from_vlib (void)
+{
+ disconnect_from_vlib_internal (1);
+}
+
+void
+vl_client_disconnect_from_vlib_no_unmap (void)
+{
+ disconnect_from_vlib_internal (0);
+}
+
static void vl_api_get_first_msg_id_reply_t_handler
(vl_api_get_first_msg_id_reply_t * mp)
{
/* Ask the data-plane for the message-ID base of the indicated plugin */
mm->first_msg_id_reply_ready = 0;
- mp = vl_msg_api_alloc (sizeof (*mp));
- memset (mp, 0, sizeof (*mp));
- mp->_vl_msg_id = ntohs (VL_API_GET_FIRST_MSG_ID);
- mp->client_index = am->my_client_index;
- strncpy ((char *) mp->name, plugin_name, sizeof (mp->name) - 1);
+ /* Not using shm client */
+ if (!am->my_registration)
+ {
+ mp = vl_socket_client_msg_alloc (sizeof (*mp));
+ memset (mp, 0, sizeof (*mp));
+ mp->_vl_msg_id = ntohs (VL_API_GET_FIRST_MSG_ID);
+ mp->client_index = am->my_client_index;
+ strncpy ((char *) mp->name, plugin_name, sizeof (mp->name) - 1);
+
+ if (vl_socket_client_write () <= 0)
+ goto sock_err;
+ if (vl_socket_client_read (1))
+ goto sock_err;
+
+ if (mm->first_msg_id_reply_ready == 1)
+ {
+ rv = mm->first_msg_id_reply;
+ goto result;
+ }
- vl_msg_api_send_shmem (am->shmem_hdr->vl_input_queue, (u8 *) & mp);
+ sock_err:
+ /* Restore old handler */
+ am->msg_handlers[VL_API_GET_FIRST_MSG_ID_REPLY] = old_handler;
- /* Synchronously wait for the answer */
- do
+ return -1;
+ }
+ else
{
- timeout = clib_time_now (&clib_time) + 1.0;
+ mp = vl_msg_api_alloc (sizeof (*mp));
+ memset (mp, 0, sizeof (*mp));
+ mp->_vl_msg_id = ntohs (VL_API_GET_FIRST_MSG_ID);
+ mp->client_index = am->my_client_index;
+ strncpy ((char *) mp->name, plugin_name, sizeof (mp->name) - 1);
+ vl_msg_api_send_shmem (am->shmem_hdr->vl_input_queue, (u8 *) & mp);
+
+ /* Synchronously wait for the answer */
+ timeout = clib_time_now (&clib_time) + 1.0;
while (clib_time_now (&clib_time) < timeout)
{
if (mm->first_msg_id_reply_ready == 1)
return rv;
}
- while (0);
result:
return rv;
}
-void
-vlib_node_sync_stats (vlib_main_t * vm, vlib_node_t * n)
-{
- clib_warning ("STUB called...");
-}
-
/*
* fd.io coding-style-patch-verification: ON
*
Code Review / vpp.git / blobdiff