#include <vppinfra/serialize.h>
#include <vppinfra/hash.h>
#include <vlibmemory/memory_client.h>
+#include <vlibapi/api_common.h>
/* A hack. vl_client_get_first_plugin_msg_id depends on it */
#include <vlibmemory/socket_client.h>
#include <vlibmemory/vl_memory_api_h.h>
#undef vl_endianfun
+#define vl_calcsizefun
+#include <vlibmemory/vl_memory_api_h.h>
+#undef vl_calcsizefun
+
/* instantiate all the print functions we know about */
-#define vl_print(handle, ...) clib_warning (__VA_ARGS__)
#define vl_printfun
#include <vlibmemory/vl_memory_api_h.h>
#undef vl_printfun
-typedef struct
-{
- u8 rx_thread_jmpbuf_valid;
- u8 connected_to_vlib;
- jmp_buf rx_thread_jmpbuf;
- pthread_t rx_thread_handle;
- /* Plugin message base lookup scheme */
- volatile u8 first_msg_id_reply_ready;
- u16 first_msg_id_reply;
-} memory_client_main_t;
-
memory_client_main_t memory_client_main;
+__thread memory_client_main_t *my_memory_client_main = &memory_client_main;
+
+typedef struct rx_thread_fn_arg
+{
+ api_main_t *am;
+ memory_client_main_t *mm;
+} rx_thread_fn_arg_t;
static void *
rx_thread_fn (void *arg)
{
+ rx_thread_fn_arg_t *a = (rx_thread_fn_arg_t *) arg;
+ memory_client_main_t *mm;
svm_queue_t *q;
- memory_client_main_t *mm = &memory_client_main;
- api_main_t *am = &api_main;
- q = am->vl_input_queue;
+ vlibapi_set_main (a->am);
+ vlibapi_set_memory_client_main (a->mm);
+ free (a);
+
+ mm = vlibapi_get_memory_client_main ();
+ q = vlibapi_get_main ()->vl_input_queue;
/* So we can make the rx thread terminate cleanly */
if (setjmp (mm->rx_thread_jmpbuf) == 0)
static void
vl_api_rx_thread_exit_t_handler (vl_api_rx_thread_exit_t * mp)
{
- memory_client_main_t *mm = &memory_client_main;
+ memory_client_main_t *mm = vlibapi_get_memory_client_main ();
if (mm->rx_thread_jmpbuf_valid)
longjmp (mm->rx_thread_jmpbuf, 1);
}
static void
vl_api_name_and_crc_free (void)
{
- api_main_t *am = &api_main;
+ api_main_t *am = vlibapi_get_main ();
int i;
u8 **keys = 0;
hash_pair_t *hp;
hash_free (am->msg_index_by_name_and_crc);
}
+__clib_nosanitize_addr static void
+VL_API_VEC_UNPOISON (const void *v)
+{
+ const vec_header_t *vh = &((vec_header_t *) v)[-1];
+ clib_mem_unpoison (vh, sizeof (*vh) + vec_len (v));
+}
+
static void
vl_api_memclnt_create_reply_t_handler (vl_api_memclnt_create_reply_t * mp)
{
serialize_main_t _sm, *sm = &_sm;
- api_main_t *am = &api_main;
+ api_main_t *am = vlibapi_get_main ();
u8 *tblv;
u32 nmsgs;
int i;
unserialize_open_data (sm, tblv, vec_len (tblv));
unserialize_integer (sm, &nmsgs, sizeof (u32));
+ VL_API_VEC_UNPOISON (tblv);
+
for (i = 0; i < nmsgs; i++)
{
msg_index = unserialize_likely_small_unsigned_integer (sm);
}
}
-static void
-noop_handler (void *notused)
-{
-}
-
void vl_msg_api_send_shmem (svm_queue_t * q, u8 * elem);
int
vl_client_connect (const char *name, int ctx_quota, int input_queue_size)
{
- svm_region_t *svm;
vl_api_memclnt_create_t *mp;
vl_api_memclnt_create_reply_t *rp;
svm_queue_t *vl_input_queue;
vl_shmem_hdr_t *shmem_hdr;
int rv = 0;
void *oldheap;
- api_main_t *am = &api_main;
+ api_main_t *am = vlibapi_get_main ();
if (am->my_registration)
{
return -1;
}
- svm = am->vlib_rp;
shmem_hdr = am->shmem_hdr;
if (shmem_hdr == 0 || shmem_hdr->vl_input_queue == 0)
return -1;
}
- pthread_mutex_lock (&svm->mutex);
- oldheap = svm_push_data_heap (svm);
+ clib_mem_unpoison (shmem_hdr, sizeof (*shmem_hdr));
+ VL_MSG_API_SVM_QUEUE_UNPOISON (shmem_hdr->vl_input_queue);
+
+ oldheap = vl_msg_push_heap ();
vl_input_queue = svm_queue_alloc_and_init (input_queue_size, sizeof (uword),
getpid ());
- svm_pop_heap (oldheap);
- pthread_mutex_unlock (&svm->mutex);
+ vl_msg_pop_heap (oldheap);
am->my_client_index = ~0;
am->my_registration = 0;
mp->_vl_msg_id = ntohs (VL_API_MEMCLNT_CREATE);
mp->ctx_quota = ctx_quota;
mp->input_queue = (uword) vl_input_queue;
- vl_api_to_api_string (strnlen_s (name, 64), name, &mp->name);
+ strncpy ((char *) mp->name, name, sizeof (mp->name) - 1);
vl_msg_api_send_shmem (shmem_hdr->vl_input_queue, (u8 *) & mp);
return -1;
read_one_msg:
+ VL_MSG_API_UNPOISON (rp);
if (ntohs (rp->_vl_msg_id) != VL_API_MEMCLNT_CREATE_REPLY)
{
clib_warning ("unexpected reply: id %d", ntohs (rp->_vl_msg_id));
}
rv = clib_net_to_host_u32 (rp->response);
- vl_msg_api_handler ((void *) rp);
+ msgbuf_t *msgbuf = (msgbuf_t *) ((u8 *) rp - offsetof (msgbuf_t, data));
+ vl_msg_api_handler ((void *) rp, ntohl (msgbuf->data_len));
break;
}
return (rv);
vl_api_memclnt_delete_reply_t_handler (vl_api_memclnt_delete_reply_t * mp)
{
void *oldheap;
- api_main_t *am = &api_main;
+ api_main_t *am = vlibapi_get_main ();
- pthread_mutex_lock (&am->vlib_rp->mutex);
- oldheap = svm_push_data_heap (am->vlib_rp);
+ oldheap = vl_msg_push_heap ();
svm_queue_free (am->vl_input_queue);
- pthread_mutex_unlock (&am->vlib_rp->mutex);
- svm_pop_heap (oldheap);
+ vl_msg_pop_heap (oldheap);
am->my_client_index = ~0;
am->my_registration = 0;
{
vl_api_memclnt_delete_t *mp;
vl_shmem_hdr_t *shmem_hdr;
- api_main_t *am = &api_main;
+ api_main_t *am = vlibapi_get_main ();
ASSERT (am->vlib_rp);
shmem_hdr = am->shmem_hdr;
{
vl_api_memclnt_delete_reply_t *rp;
svm_queue_t *vl_input_queue;
- api_main_t *am = &api_main;
+ api_main_t *am = vlibapi_get_main ();
time_t begin;
+ msgbuf_t *msgbuf;
vl_input_queue = am->vl_input_queue;
vl_client_send_disconnect (0 /* wait for reply */ );
if (svm_queue_sub (vl_input_queue, (u8 *) & rp, SVM_Q_NOWAIT, 0) < 0)
continue;
+ VL_MSG_API_UNPOISON (rp);
+
/* 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);
+ msgbuf = (msgbuf_t *) ((u8 *) rp - offsetof (msgbuf_t, data));
+ vl_msg_api_handler ((void *) rp, ntohl (msgbuf->data_len));
continue;
}
- vl_msg_api_handler ((void *) rp);
+ msgbuf = (msgbuf_t *) ((u8 *) rp - offsetof (msgbuf_t, data));
+ vl_msg_api_handler ((void *) rp, ntohl (msgbuf->data_len));
break;
}
api_main_t *am;
vl_shmem_hdr_t *shmem_hdr;
- am = &api_main;
+ am = vlibapi_get_main ();
shmem_hdr = am->shmem_hdr;
rmp = vl_msg_api_alloc_as_if_client (sizeof (*rmp));
void
vl_client_install_client_message_handlers (void)
{
-
-#define _(N,n) \
- vl_msg_api_set_handlers(VL_API_##N, #n, \
- vl_api_##n##_t_handler, \
- noop_handler, \
- vl_api_##n##_t_endian, \
- vl_api_##n##_t_print, \
- sizeof(vl_api_##n##_t), 1);
+ api_main_t *am = vlibapi_get_main ();
+#define _(N, n) \
+ vl_msg_api_config (&(vl_msg_api_msg_config_t){ \
+ .id = VL_API_##N, \
+ .name = #n, \
+ .handler = vl_api_##n##_t_handler, \
+ .endian = vl_api_##n##_t_endian, \
+ .format_fn = vl_api_##n##_t_format, \
+ .size = sizeof (vl_api_##n##_t), \
+ .traced = 0, \
+ .tojson = vl_api_##n##_t_tojson, \
+ .fromjson = vl_api_##n##_t_fromjson, \
+ .calc_size = vl_api_##n##_t_calc_size, \
+ }); \
+ am->msg_data[VL_API_##N].replay_allowed = 0;
foreach_api_msg;
#undef _
}
u8
vl_mem_client_is_connected (void)
{
- return (memory_client_main.connected_to_vlib != 0);
+ return (my_memory_client_main->connected_to_vlib != 0);
}
static int
connect_to_vlib_internal (const char *svm_name,
const char *client_name,
- int rx_queue_size, int want_pthread, int do_map)
+ int rx_queue_size, void *(*thread_fn) (void *),
+ void *thread_fn_arg, int do_map)
{
int rv = 0;
- memory_client_main_t *mm = &memory_client_main;
+ memory_client_main_t *mm = vlibapi_get_memory_client_main ();
+ api_main_t *am = vlibapi_get_main ();
if (do_map && (rv = vl_client_api_map (svm_name)))
{
/* Start the rx queue thread */
- if (want_pthread)
+ if (thread_fn)
{
+ if (thread_fn == rx_thread_fn)
+ {
+ rx_thread_fn_arg_t *arg;
+ arg = malloc (sizeof (*arg));
+ arg->am = vlibapi_get_main ();
+ arg->mm = vlibapi_get_memory_client_main ();
+ thread_fn_arg = (void *) arg;
+ }
+
rv = pthread_create (&mm->rx_thread_handle,
- NULL /*attr */ , rx_thread_fn, 0);
+ NULL /*attr */ , thread_fn, thread_fn_arg);
if (rv)
- clib_warning ("pthread_create returned %d", rv);
+ {
+ clib_warning ("pthread_create returned %d", rv);
+ am->rx_thread_handle = 0;
+ }
+ else
+ {
+ am->rx_thread_handle = mm->rx_thread_handle;
+ }
}
mm->connected_to_vlib = 1;
const char *client_name, int rx_queue_size)
{
return connect_to_vlib_internal (svm_name, client_name, rx_queue_size,
- 1 /* want pthread */ ,
+ rx_thread_fn, 0 /* thread fn arg */ ,
1 /* do map */ );
}
int rx_queue_size)
{
return connect_to_vlib_internal (svm_name, client_name, rx_queue_size,
- 0 /* want pthread */ ,
+ 0 /* no rx_thread_fn */ ,
+ 0 /* no thread fn arg */ ,
1 /* do map */ );
}
const char *client_name, int rx_queue_size)
{
return connect_to_vlib_internal (svm_name, client_name, rx_queue_size,
- 1 /* want pthread */ ,
+ rx_thread_fn, 0 /* no thread fn arg */ ,
0 /* dont map */ );
}
int rx_queue_size)
{
return connect_to_vlib_internal (svm_name, client_name, rx_queue_size,
- 0 /* want pthread */ ,
+ 0 /* no thread_fn */ ,
+ 0 /* no thread fn arg */ ,
0 /* dont map */ );
}
+int
+vl_client_connect_to_vlib_thread_fn (const char *svm_name,
+ const char *client_name,
+ int rx_queue_size,
+ void *(*thread_fn) (void *), void *arg)
+{
+ return connect_to_vlib_internal (svm_name, client_name, rx_queue_size,
+ thread_fn, arg, 1 /* do map */ );
+}
+
+void
+vl_client_stop_rx_thread (svm_queue_t *vl_input_queue)
+{
+ vl_api_rx_thread_exit_t *ep;
+ ep = vl_msg_api_alloc (sizeof (*ep));
+ ep->_vl_msg_id = ntohs (VL_API_RX_THREAD_EXIT);
+ vl_msg_api_send_shmem (vl_input_queue, (u8 *) &ep);
+}
+
static void
disconnect_from_vlib_internal (u8 do_unmap)
{
- memory_client_main_t *mm = &memory_client_main;
- api_main_t *am = &api_main;
+ memory_client_main_t *mm = vlibapi_get_memory_client_main ();
+ api_main_t *am = vlibapi_get_main ();
uword junk;
if (mm->rx_thread_jmpbuf_valid)
{
- vl_api_rx_thread_exit_t *ep;
- ep = vl_msg_api_alloc (sizeof (*ep));
- ep->_vl_msg_id = ntohs (VL_API_RX_THREAD_EXIT);
- vl_msg_api_send_shmem (am->vl_input_queue, (u8 *) & ep);
+ vl_client_stop_rx_thread (am->vl_input_queue);
pthread_join (mm->rx_thread_handle, (void **) &junk);
}
if (mm->connected_to_vlib)
static void vl_api_get_first_msg_id_reply_t_handler
(vl_api_get_first_msg_id_reply_t * mp)
{
- memory_client_main_t *mm = &memory_client_main;
+ memory_client_main_t *mm = vlibapi_get_memory_client_main ();
i32 retval = ntohl (mp->retval);
mm->first_msg_id_reply = (retval >= 0) ? ntohs (mp->first_msg_id) : ~0;
vl_client_get_first_plugin_msg_id (const char *plugin_name)
{
vl_api_get_first_msg_id_t *mp;
- api_main_t *am = &api_main;
- memory_client_main_t *mm = &memory_client_main;
+ api_main_t *am = vlibapi_get_main ();
+ memory_client_main_t *mm = vlibapi_get_memory_client_main ();
+ vl_api_msg_data_t *m =
+ vl_api_get_msg_data (am, VL_API_GET_FIRST_MSG_ID_REPLY);
f64 timeout;
void *old_handler;
clib_time_t clib_time;
u16 rv = ~0;
- size_t plugin_name_len = strnlen_s (plugin_name, 128);
- if (plugin_name_len == 128)
+ if (strlen (plugin_name) + 1 > sizeof (mp->name))
return (rv);
clib_memset (&clib_time, 0, sizeof (clib_time));
clib_time_init (&clib_time);
/* Push this plugin's first_msg_id_reply handler */
- old_handler = am->msg_handlers[VL_API_GET_FIRST_MSG_ID_REPLY];
- am->msg_handlers[VL_API_GET_FIRST_MSG_ID_REPLY] = (void *)
- vl_api_get_first_msg_id_reply_t_handler;
+ old_handler = m->handler;
+ m->handler = (void *) vl_api_get_first_msg_id_reply_t_handler;
+ if (!m->calc_size_func)
+ {
+ m->calc_size_func =
+ (uword (*) (void *)) vl_api_get_first_msg_id_reply_t_calc_size;
+ }
/* Ask the data-plane for the message-ID base of the indicated plugin */
mm->first_msg_id_reply_ready = 0;
clib_memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = ntohs (VL_API_GET_FIRST_MSG_ID);
mp->client_index = am->my_client_index;
- vl_api_to_api_string (plugin_name_len, plugin_name, &mp->name);
+ strncpy ((char *) mp->name, plugin_name, sizeof (mp->name) - 1);
if (vl_socket_client_write () <= 0)
goto sock_err;
sock_err:
/* Restore old handler */
- am->msg_handlers[VL_API_GET_FIRST_MSG_ID_REPLY] = old_handler;
+ m->handler = old_handler;
return -1;
}
clib_memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = ntohs (VL_API_GET_FIRST_MSG_ID);
mp->client_index = am->my_client_index;
- vl_api_to_api_string (plugin_name_len, plugin_name, &mp->name);
+ strncpy ((char *) mp->name, plugin_name, sizeof (mp->name) - 1);
vl_msg_api_send_shmem (am->shmem_hdr->vl_input_queue, (u8 *) & mp);
}
}
/* Restore old handler */
- am->msg_handlers[VL_API_GET_FIRST_MSG_ID_REPLY] = old_handler;
+ m->handler = old_handler;
return rv;
}
result:
/* Restore the old handler */
- am->msg_handlers[VL_API_GET_FIRST_MSG_ID_REPLY] = old_handler;
+ m->handler = old_handler;
if (rv == (u16) ~ 0)
clib_warning ("plugin '%s' not registered", plugin_name);