#include <vppinfra/elog.h>
/* *INDENT-OFF* */
-api_main_t api_main =
+api_main_t api_global_main =
{
.region_name = "/unset",
.api_uid = -1,
};
/* *INDENT-ON* */
+/* Please use vlibapi_get_main() to access my_api_main */
+__thread api_main_t *my_api_main = &api_global_main;
+
+void
+vl_msg_api_set_global_main (void *am_arg)
+{
+ ASSERT (am_arg);
+ my_api_main = (api_main_t *) am_arg;
+}
+
void
vl_msg_api_increment_missing_client_counter (void)
{
- api_main_t *am = &api_main;
+ api_main_t *am = vlibapi_get_main ();
am->missing_clients++;
}
u8 *msg_copy;
u32 length;
trace_cfg_t *cfgp;
- u16 msg_id = ntohs (*((u16 *) msg));
+ u16 msg_id = clib_net_to_host_u16 (*((u16 *) msg));
msgbuf_t *header = (msgbuf_t *) (((u8 *) msg) - offsetof (msgbuf_t, data));
cfgp = am->api_trace_cfg + msg_id;
old_trace = tp->traces + tp->curindex++;
if (tp->curindex == tp->nitems)
tp->curindex = 0;
- vec_free (*old_trace);
+ /* Reuse the trace record, may save some memory allocator traffic */
+ msg_copy = *old_trace;
+ vec_reset_length (msg_copy);
this_trace = old_trace;
}
length = clib_net_to_host_u32 (header->data_len);
vec_validate (msg_copy, length - 1);
- clib_memcpy (msg_copy, msg, length);
+ clib_memcpy_fast (msg_copy, msg, length);
*this_trace = msg_copy;
}
return 0;
}
+u8 *
+vl_api_serialize_message_table (api_main_t * am, u8 * vector)
+{
+ serialize_main_t _sm, *sm = &_sm;
+ hash_pair_t *hp;
+ u32 nmsg = hash_elts (am->msg_index_by_name_and_crc);
+
+ serialize_open_vector (sm, vector);
+
+ /* serialize the count */
+ serialize_integer (sm, nmsg, sizeof (u32));
+
+ /* *INDENT-OFF* */
+ 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);
+ }));
+ /* *INDENT-ON* */
+
+ return serialize_close_vector (sm);
+}
+
int
vl_msg_api_trace_save (api_main_t * am, vl_api_trace_which_t which, FILE * fp)
{
}
/* Write the file header */
- fh.nitems = vec_len (tp->traces);
- fh.endian = tp->endian;
fh.wrapped = tp->wrapped;
+ fh.nitems = clib_host_to_net_u32 (vec_len (tp->traces));
+ u8 *m = vl_api_serialize_message_table (am, 0);
+ fh.msgtbl_size = clib_host_to_net_u32 (vec_len (m));
if (fwrite (&fh, sizeof (fh), 1, fp) != 1)
{
return (-10);
}
+ /* Write the message table */
+ if (fwrite (m, vec_len (m), 1, fp) != 1)
+ {
+ return (-14);
+ }
+ vec_free (m);
+
/* No-wrap case */
if (tp->wrapped == 0)
{
vl_msg_api_trace_free (am, which);
}
- memset (tp, 0, sizeof (*tp));
+ clib_memset (tp, 0, sizeof (*tp));
if (clib_arch_is_big_endian)
{
msg_handler_internal (api_main_t * am,
void *the_msg, int trace_it, int do_it, int free_it)
{
- u16 id = ntohs (*((u16 *) the_msg));
+ u16 id = clib_net_to_host_u16 (*((u16 *) the_msg));
u8 *(*print_fp) (void *, void *);
+ if (PREDICT_FALSE (am->elog_trace_api_messages))
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "api-msg: %s",
+ .format_args = "T4",
+ };
+ /* *INDENT-ON* */
+ struct
+ {
+ u32 c;
+ } *ed;
+ ed = ELOG_DATA (am->elog_main, e);
+ if (id < vec_len (am->msg_names))
+ ed->c = elog_string (am->elog_main, (char *) am->msg_names[id]);
+ else
+ ed->c = elog_string (am->elog_main, "BOGUS");
+ }
+
if (id < vec_len (am->msg_handlers) && am->msg_handlers[id])
{
if (trace_it)
if (free_it)
vl_msg_api_free (the_msg);
-}
-
-/* set to 1 if you want before/after message handler event logging */
-#define ELOG_API_MESSAGE_HANDLERS 0
-#if ELOG_API_MESSAGE_HANDLERS > 0
-static u32
-elog_id_for_msg_name (vlib_main_t * vm, char *msg_name)
-{
- uword *p, r;
- static uword *h;
- u8 *name_copy;
-
- if (!h)
- h = hash_create_string (0, sizeof (uword));
-
- p = hash_get_mem (h, msg_name);
- if (p)
- return p[0];
- r = elog_string (&vm->elog_main, "%s", msg_name);
-
- name_copy = format (0, "%s%c", msg_name, 0);
-
- hash_set_mem (h, name_copy, r);
-
- return r;
+ if (PREDICT_FALSE (am->elog_trace_api_messages))
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "api-msg-done(%s): %s",
+ .format_args = "t4T4",
+ .n_enum_strings = 2,
+ .enum_strings =
+ {
+ "barrier",
+ "mp-safe",
+ }
+ };
+ /* *INDENT-ON* */
+
+ struct
+ {
+ u32 barrier;
+ u32 c;
+ } *ed;
+ ed = ELOG_DATA (am->elog_main, e);
+ if (id < vec_len (am->msg_names))
+ {
+ ed->c = elog_string (am->elog_main, (char *) am->msg_names[id]);
+ ed->barrier = !am->is_mp_safe[id];
+ }
+ else
+ {
+ ed->c = elog_string (am->elog_main, "BOGUS");
+ ed->barrier = 0;
+ }
+ }
}
-#endif
/* This is only to be called from a vlib/vnet app */
void
-vl_msg_api_handler_with_vm_node (api_main_t * am,
+vl_msg_api_handler_with_vm_node (api_main_t * am, svm_region_t * vlib_rp,
void *the_msg, vlib_main_t * vm,
- vlib_node_runtime_t * node)
+ vlib_node_runtime_t * node, u8 is_private)
{
- u16 id = ntohs (*((u16 *) the_msg));
+ u16 id = clib_net_to_host_u16 (*((u16 *) the_msg));
u8 *(*handler) (void *, void *, void *);
+ u8 *(*print_fp) (void *, void *);
+ svm_region_t *old_vlib_rp;
+ void *save_shmem_hdr;
+ int is_mp_safe = 1;
-#if ELOG_API_MESSAGE_HANDLERS > 0
- {
- /* *INDENT-OFF* */
- ELOG_TYPE_DECLARE (e) =
+ if (PREDICT_FALSE (am->elog_trace_api_messages))
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "api-msg: %s",
+ .format_args = "T4",
+ };
+ /* *INDENT-ON* */
+ struct
{
- .format = "api-msg: %s",
- .format_args = "T4",
- };
- /* *INDENT-ON* */
- struct
- {
- u32 c;
- } *ed;
- ed = ELOG_DATA (&vm->elog_main, e);
- if (id < vec_len (am->msg_names))
- ed->c = elog_id_for_msg_name (vm, am->msg_names[id]);
- else
- ed->c = elog_id_for_msg_name (vm, "BOGUS");
- }
-#endif
+ u32 c;
+ } *ed;
+ ed = ELOG_DATA (am->elog_main, e);
+ if (id < vec_len (am->msg_names))
+ ed->c = elog_string (am->elog_main, (char *) am->msg_names[id]);
+ else
+ ed->c = elog_string (am->elog_main, "BOGUS");
+ }
if (id < vec_len (am->msg_handlers) && am->msg_handlers[id])
{
handler = (void *) am->msg_handlers[id];
- if (am->rx_trace && am->rx_trace->enabled)
+ if (PREDICT_FALSE (am->rx_trace && am->rx_trace->enabled))
vl_msg_api_trace (am, am->rx_trace, the_msg);
- if (!am->is_mp_safe[id])
+ if (PREDICT_FALSE (am->msg_print_flag))
+ {
+ fformat (stdout, "[%d]: %s\n", id, am->msg_names[id]);
+ print_fp = (void *) am->msg_print_handlers[id];
+ if (print_fp == 0)
+ {
+ fformat (stdout, " [no registered print fn for msg %d]\n", id);
+ }
+ else
+ {
+ (*print_fp) (the_msg, vm);
+ }
+ }
+ is_mp_safe = am->is_mp_safe[id];
+
+ if (!is_mp_safe)
{
vl_msg_api_barrier_trace_context (am->msg_names[id]);
vl_msg_api_barrier_sync ();
}
+ if (is_private)
+ {
+ old_vlib_rp = am->vlib_rp;
+ save_shmem_hdr = am->shmem_hdr;
+ am->vlib_rp = vlib_rp;
+ am->shmem_hdr = (void *) vlib_rp->user_ctx;
+ }
(*handler) (the_msg, vm, node);
- if (!am->is_mp_safe[id])
+ if (is_private)
+ {
+ am->vlib_rp = old_vlib_rp;
+ am->shmem_hdr = save_shmem_hdr;
+ }
+ if (!is_mp_safe)
vl_msg_api_barrier_release ();
}
else
if (!(am->message_bounce[id]))
vl_msg_api_free (the_msg);
-#if ELOG_API_MESSAGE_HANDLERS > 0
- {
- /* *INDENT-OFF* */
- ELOG_TYPE_DECLARE (e) = {
- .format = "api-msg-done: %s",
- .format_args = "T4",
- };
- /* *INDENT-ON* */
-
- struct
+ if (PREDICT_FALSE (am->elog_trace_api_messages))
{
- u32 c;
- } *ed;
- ed = ELOG_DATA (&vm->elog_main, e);
- if (id < vec_len (am->msg_names))
- ed->c = elog_id_for_msg_name (vm, am->msg_names[id]);
- else
- ed->c = elog_id_for_msg_name (vm, "BOGUS");
- }
-#endif
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "api-msg-done(%s): %s",
+ .format_args = "t4T4",
+ .n_enum_strings = 2,
+ .enum_strings =
+ {
+ "barrier",
+ "mp-safe",
+ }
+ };
+ /* *INDENT-ON* */
+
+ struct
+ {
+ u32 barrier;
+ u32 c;
+ } *ed;
+ ed = ELOG_DATA (am->elog_main, e);
+ if (id < vec_len (am->msg_names))
+ ed->c = elog_string (am->elog_main, (char *) am->msg_names[id]);
+ else
+ ed->c = elog_string (am->elog_main, "BOGUS");
+ ed->barrier = is_mp_safe;
+ }
}
void
vl_msg_api_handler (void *the_msg)
{
- api_main_t *am = &api_main;
+ api_main_t *am = vlibapi_get_main ();
msg_handler_internal (am, the_msg,
(am->rx_trace
void
vl_msg_api_handler_no_free (void *the_msg)
{
- api_main_t *am = &api_main;
+ api_main_t *am = vlibapi_get_main ();
msg_handler_internal (am, the_msg,
(am->rx_trace
&& am->rx_trace->enabled) /* trace_it */ ,
void
vl_msg_api_handler_no_trace_no_free (void *the_msg)
{
- api_main_t *am = &api_main;
+ api_main_t *am = vlibapi_get_main ();
msg_handler_internal (am, the_msg, 0 /* trace_it */ , 1 /* do_it */ ,
0 /* free_it */ );
}
void
vl_msg_api_trace_only (void *the_msg)
{
- api_main_t *am = &api_main;
+ api_main_t *am = vlibapi_get_main ();
msg_handler_internal (am, the_msg,
(am->rx_trace
void
vl_msg_api_cleanup_handler (void *the_msg)
{
- api_main_t *am = &api_main;
- u16 id = ntohs (*((u16 *) the_msg));
+ api_main_t *am = vlibapi_get_main ();
+ u16 id = clib_net_to_host_u16 (*((u16 *) the_msg));
if (PREDICT_FALSE (id >= vec_len (am->msg_cleanup_handlers)))
{
void
vl_msg_api_replay_handler (void *the_msg)
{
- api_main_t *am = &api_main;
+ api_main_t *am = vlibapi_get_main ();
- u16 id = ntohs (*((u16 *) the_msg));
+ u16 id = clib_net_to_host_u16 (*((u16 *) the_msg));
if (PREDICT_FALSE (id >= vec_len (am->msg_handlers)))
{
void
vl_msg_api_socket_handler (void *the_msg)
{
- api_main_t *am = &api_main;
+ api_main_t *am = vlibapi_get_main ();
msg_handler_internal (am, the_msg,
(am->rx_trace
void
vl_msg_api_config (vl_msg_api_msg_config_t * c)
{
- api_main_t *am = &api_main;
+ api_main_t *am = vlibapi_get_main ();
/*
* This happens during the java core tests if the message
vl_msg_api_msg_config_t cfg;
vl_msg_api_msg_config_t *c = &cfg;
- memset (c, 0, sizeof (*c));
+ clib_memset (c, 0, sizeof (*c));
c->id = id;
c->name = name;
vl_msg_api_msg_config_t cfg;
vl_msg_api_msg_config_t *c = &cfg;
- memset (c, 0, sizeof (*c));
+ clib_memset (c, 0, sizeof (*c));
c->id = msg_id;
vl_msg_api_config (c);
void
vl_msg_api_set_cleanup_handler (int msg_id, void *fp)
{
- api_main_t *am = &api_main;
+ api_main_t *am = vlibapi_get_main ();
ASSERT (msg_id > 0);
vec_validate (am->msg_cleanup_handlers, msg_id);
{
uword msg;
- while (!svm_queue_sub (q, (u8 *) & msg, 0))
+ while (!svm_queue_sub (q, (u8 *) & msg, SVM_Q_WAIT, 0))
vl_msg_api_handler ((void *) msg);
}
void
vl_msg_api_post_mortem_dump (void)
{
- api_main_t *am = &api_main;
+ api_main_t *am = vlibapi_get_main ();
FILE *fp;
char filename[64];
int rv;
void
vl_msg_api_register_pd_handler (void *fp, u16 msg_id_host_byte_order)
{
- api_main_t *am = &api_main;
+ api_main_t *am = vlibapi_get_main ();
/* Mild idiot proofing */
if (msg_id_host_byte_order > 10000)
int
vl_msg_api_pd_handler (void *mp, int rv)
{
- api_main_t *am = &api_main;
+ api_main_t *am = vlibapi_get_main ();
int (*fp) (void *, int);
u16 msg_id;
void
vl_msg_api_set_first_available_msg_id (u16 first_avail)
{
- api_main_t *am = &api_main;
+ api_main_t *am = vlibapi_get_main ();
am->first_available_msg_id = first_avail;
}
u16
vl_msg_api_get_msg_ids (const char *name, int n)
{
- api_main_t *am = &api_main;
+ api_main_t *am = vlibapi_get_main ();
u8 *name_copy;
vl_api_msg_range_t *rp;
uword *p;
u32
vl_msg_api_get_msg_index (u8 * name_and_crc)
{
- api_main_t *am = &api_main;
+ api_main_t *am = vlibapi_get_main ();
uword *p;
if (am->msg_index_by_name_and_crc)
return ~0;
}
+void *
+vl_msg_push_heap (void)
+{
+ api_main_t *am = vlibapi_get_main ();
+ pthread_mutex_lock (&am->vlib_rp->mutex);
+ return svm_push_data_heap (am->vlib_rp);
+}
+
+void
+vl_msg_pop_heap (void *oldheap)
+{
+ api_main_t *am = vlibapi_get_main ();
+ svm_pop_heap (oldheap);
+ pthread_mutex_unlock (&am->vlib_rp->mutex);
+}
+
+int
+vl_api_to_api_string (u32 len, const char *buf, vl_api_string_t * str)
+{
+ if (len)
+ clib_memcpy_fast (str->buf, buf, len);
+ str->length = htonl (len);
+ return len + sizeof (u32);
+}
+
+int
+vl_api_vec_to_api_string (const u8 * vec, vl_api_string_t * str)
+{
+ u32 len = vec_len (vec);
+ clib_memcpy (str->buf, vec, len);
+ str->length = htonl (len);
+ return len + sizeof (u32);
+}
+
+/* Return a pointer to the API string (not nul terminated */
+u8 *
+vl_api_from_api_string (vl_api_string_t * astr)
+{
+ return astr->buf;
+}
+
+u32
+vl_api_string_len (vl_api_string_t * astr)
+{
+ return clib_net_to_host_u32 (astr->length);
+}
+
+u8 *
+vl_api_format_string (u8 * s, va_list * args)
+{
+ vl_api_string_t *a = va_arg (*args, vl_api_string_t *);
+ vec_add (s, a->buf, clib_net_to_host_u32 (a->length));
+ return s;
+}
+
+/*
+ * Returns a new vector. Remember to free it after use.
+ */
+u8 *
+vl_api_from_api_to_vec (vl_api_string_t * astr)
+{
+ u8 *v = 0;
+ vec_add (v, astr->buf, clib_net_to_host_u32 (astr->length));
+ return v;
+}
+
+void
+vl_api_set_elog_main (elog_main_t * m)
+{
+ api_main_t *am = vlibapi_get_main ();
+ am->elog_main = m;
+}
+
+int
+vl_api_set_elog_trace_api_messages (int enable)
+{
+ int rv;
+ api_main_t *am = vlibapi_get_main ();
+
+ rv = am->elog_trace_api_messages;
+ am->elog_trace_api_messages = enable;
+ return rv;
+}
+
+int
+vl_api_get_elog_trace_api_messages (void)
+{
+ api_main_t *am = vlibapi_get_main ();
+
+ return am->elog_trace_api_messages;
+}
+
/*
* fd.io coding-style-patch-verification: ON
*
Code Review / vpp.git / blobdiff