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;
}
vl_msg_api_trace_free (am, which);
}
- memset (tp, 0, sizeof (*tp));
+ clib_memset (tp, 0, sizeof (*tp));
if (clib_arch_is_big_endian)
{
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)
+elog_id_for_msg_name (vlib_main_t * vm, const char *msg_name)
{
uword *p, r;
static uword *h;
return r;
}
-#endif
/* This is only to be called from a vlib/vnet app */
void
{
u16 id = ntohs (*((u16 *) the_msg));
u8 *(*handler) (void *, void *, void *);
+ u8 *(*print_fp) (void *, void *);
+ int is_mp_safe = 1;
-#if ELOG_API_MESSAGE_HANDLERS > 0
- {
- /* *INDENT-OFF* */
- ELOG_TYPE_DECLARE (e) =
+ if (PREDICT_FALSE (vm->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 (&vm->elog_main, e);
+ if (id < vec_len (am->msg_names))
+ ed->c = elog_id_for_msg_name (vm, (const char *) am->msg_names[id]);
+ else
+ ed->c = elog_id_for_msg_name (vm, "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 ();
}
(*handler) (the_msg, vm, node);
- if (!am->is_mp_safe[id])
+ 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 (vm->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 (&vm->elog_main, e);
+ if (id < vec_len (am->msg_names))
+ ed->c = elog_id_for_msg_name (vm, (const char *) am->msg_names[id]);
+ else
+ ed->c = elog_id_for_msg_name (vm, "BOGUS");
+ ed->barrier = is_mp_safe;
+ }
}
void
{
api_main_t *am = &api_main;
- ASSERT (c->id > 0);
+ /*
+ * This happens during the java core tests if the message
+ * dictionary is missing newly added xxx_reply_t messages.
+ * Should never happen, but since I shot myself in the foot once
+ * this way, I thought I'd make it easy to debug if I ever do
+ * it again... (;-)...
+ */
+ if (c->id == 0)
+ {
+ if (c->name)
+ clib_warning ("Trying to register %s with a NULL msg id!", c->name);
+ else
+ clib_warning ("Trying to register a NULL msg with a NULL msg id!");
+ clib_warning ("Did you forget to call setup_message_id_table?");
+ return;
+ }
#define _(a) vec_validate (am->a, c->id);
foreach_msg_api_vector;
#undef _
- if (am->msg_names[c->id])
- clib_warning ("BUG: multiple registrations of 'vl_api_%s_t_handler'",
- c->name);
+ if (am->msg_handlers[c->id] && am->msg_handlers[c->id] != c->handler)
+ clib_warning
+ ("BUG: re-registering 'vl_api_%s_t_handler'."
+ "Handler was %llx, replaced by %llx",
+ c->name, am->msg_handlers[c->id], c->handler);
am->msg_names[c->id] = c->name;
am->msg_handlers[c->id] = c->handler;
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_config (c);
}
+void
+vl_msg_api_clean_handlers (int msg_id)
+{
+ vl_msg_api_msg_config_t cfg;
+ vl_msg_api_msg_config_t *c = &cfg;
+
+ 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)
{
}
void
-vl_msg_api_queue_handler (unix_shared_memory_queue_t * q)
+vl_msg_api_queue_handler (svm_queue_t * q)
{
uword msg;
- while (!unix_shared_memory_queue_sub (q, (u8 *) & msg, 0))
+ while (!svm_queue_sub (q, (u8 *) & msg, SVM_Q_WAIT, 0))
vl_msg_api_handler ((void *) msg);
}
hash_set_mem (am->msg_index_by_name_and_crc, string, id);
}
+void
+vl_msg_api_add_version (api_main_t * am, const char *string,
+ u32 major, u32 minor, u32 patch)
+{
+ api_version_t version = {.major = major,.minor = minor,.patch = patch };
+ ASSERT (strlen (string) < 64);
+ strncpy (version.name, string, 64 - 1);
+ vec_add1 (am->api_version_list, version);
+}
+
+u32
+vl_msg_api_get_msg_index (u8 * name_and_crc)
+{
+ api_main_t *am = &api_main;
+ uword *p;
+
+ if (am->msg_index_by_name_and_crc)
+ {
+ p = hash_get_mem (am->msg_index_by_name_and_crc, name_and_crc);
+ if (p)
+ return p[0];
+ }
+ return ~0;
+}
+
+void *
+vl_msg_push_heap (void)
+{
+ api_main_t *am = &api_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 = &api_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)
+{
+ 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 ntohl (astr->length);
+}
+
+/*
+ * 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, ntohl (astr->length));
+ return v;
+}
/*
* fd.io coding-style-patch-verification: ON
Code Review / vpp.git / blobdiff