/*
- *------------------------------------------------------------------
* vlib_api.c VLIB API implementation
*
- * Copyright (c) 2009 Cisco and/or its affiliates.
+ * Copyright (c) 2021 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:
* 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 <fcntl.h>
-#include <pthread.h>
-#include <vppinfra/vec.h>
-#include <vppinfra/hash.h>
-#include <vppinfra/pool.h>
-#include <vppinfra/format.h>
-#include <vppinfra/byte_order.h>
-#include <vppinfra/elog.h>
-#include <vlib/vlib.h>
-#include <vlib/unix/unix.h>
#include <vlibapi/api.h>
#include <vlibmemory/api.h>
+#include <vnet/api_errno.h>
-/**
- * @file
- * @brief Binary API messaging via shared memory
- * Low-level, primary provisioning interface
- */
-/*? %%clicmd:group_label Binary API CLI %% ?*/
-/*? %%syscfg:group_label Binary API configuration %% ?*/
-
-#define TRACE_VLIB_MEMORY_QUEUE 0
-
-#include <vlibmemory/vl_memory_msg_enum.h> /* enumerate all vlib messages */
+#include <vlibmemory/vlib.api_enum.h>
+#include <vlibmemory/vlib.api_types.h>
-#define vl_typedefs /* define message structures */
-#include <vlibmemory/vl_memory_api_h.h>
-#undef vl_typedefs
+u16 msg_id_base;
+#define REPLY_MSG_ID_BASE msg_id_base
+#include <vlibapi/api_helper_macros.h>
-/* instantiate all the print functions we know about */
-#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
-#define vl_printfun
-#include <vlibmemory/vl_memory_api_h.h>
-#undef vl_printfun
-
-static inline void *
-vl_api_trace_plugin_msg_ids_t_print (vl_api_trace_plugin_msg_ids_t * a,
- void *handle)
+static void
+shmem_cli_output (uword arg, u8 *buffer, uword buffer_bytes)
{
- vl_print (handle, "vl_api_trace_plugin_msg_ids: %s first %u last %u\n",
- a->plugin_name,
- clib_host_to_net_u16 (a->first_msg_id),
- clib_host_to_net_u16 (a->last_msg_id));
- return handle;
-}
+ u8 **shmem_vecp = (u8 **) arg;
+ u8 *shmem_vec;
+ void *oldheap;
+ u32 offset;
-/* instantiate all the endian swap functions we know about */
-#define vl_endianfun
-#include <vlibmemory/vl_memory_api_h.h>
-#undef vl_endianfun
+ shmem_vec = *shmem_vecp;
-static void
-vl_api_get_first_msg_id_t_handler (vl_api_get_first_msg_id_t * mp)
-{
- vl_api_get_first_msg_id_reply_t *rmp;
- vl_api_registration_t *regp;
- uword *p;
- api_main_t *am = vlibapi_get_main ();
- vl_api_msg_range_t *rp;
- u8 name[64];
- u16 first_msg_id = ~0;
- int rv = -7; /* VNET_API_ERROR_INVALID_VALUE */
+ offset = vec_len (shmem_vec);
- regp = vl_api_client_index_to_registration (mp->client_index);
- if (!regp)
- return;
+ oldheap = vl_msg_push_heap ();
- if (am->msg_range_by_name == 0)
- goto out;
- strncpy ((char *) name, (char *) mp->name, ARRAY_LEN (name));
- name[ARRAY_LEN (name) - 1] = '\0';
- p = hash_get_mem (am->msg_range_by_name, name);
- if (p == 0)
- goto out;
+ vec_validate (shmem_vec, offset + buffer_bytes - 1);
- rp = vec_elt_at_index (am->msg_ranges, p[0]);
- first_msg_id = rp->first_msg_id;
- rv = 0;
+ clib_memcpy (shmem_vec + offset, buffer, buffer_bytes);
-out:
- rmp = vl_msg_api_alloc (sizeof (*rmp));
- rmp->_vl_msg_id = ntohs (VL_API_GET_FIRST_MSG_ID_REPLY);
- rmp->context = mp->context;
- rmp->retval = ntohl (rv);
- rmp->first_msg_id = ntohs (first_msg_id);
- vl_api_send_msg (regp, (u8 *) rmp);
+ vl_msg_pop_heap (oldheap);
+
+ *shmem_vecp = shmem_vec;
}
-void
-vl_api_api_versions_t_handler (vl_api_api_versions_t * mp)
+static void
+vl_api_cli_t_handler (vl_api_cli_t *mp)
{
- api_main_t *am = vlibapi_get_main ();
- vl_api_api_versions_reply_t *rmp;
+ vl_api_cli_reply_t *rp;
vl_api_registration_t *reg;
- u32 nmsg = vec_len (am->api_version_list);
- int msg_size = sizeof (*rmp) + sizeof (rmp->api_versions[0]) * nmsg;
- int i;
+ vlib_main_t *vm = vlib_get_main ();
+ unformat_input_t input;
+ u8 *shmem_vec = 0;
+ void *oldheap;
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
+ ;
- rmp = vl_msg_api_alloc (msg_size);
- clib_memset (rmp, 0, msg_size);
- rmp->_vl_msg_id = ntohs (VL_API_API_VERSIONS_REPLY);
-
- /* fill in the message */
- rmp->context = mp->context;
- rmp->count = htonl (nmsg);
+ rp = vl_msg_api_alloc (sizeof (*rp));
+ rp->_vl_msg_id = ntohs (VL_API_CLI_REPLY + REPLY_MSG_ID_BASE);
+ rp->context = mp->context;
- for (i = 0; i < nmsg; ++i)
- {
- api_version_t *vl = &am->api_version_list[i];
- rmp->api_versions[i].major = htonl (vl->major);
- rmp->api_versions[i].minor = htonl (vl->minor);
- rmp->api_versions[i].patch = htonl (vl->patch);
- strncpy ((char *) rmp->api_versions[i].name, vl->name,
- ARRAY_LEN (rmp->api_versions[i].name));
- rmp->api_versions[i].name[ARRAY_LEN (rmp->api_versions[i].name) - 1] =
- '\0';
- }
+ unformat_init_vector (&input, (u8 *) (uword) mp->cmd_in_shmem);
- vl_api_send_msg (reg, (u8 *) rmp);
-}
+ vlib_cli_input (vm, &input, shmem_cli_output, (uword) &shmem_vec);
-#define foreach_vlib_api_msg \
-_(GET_FIRST_MSG_ID, get_first_msg_id) \
-_(API_VERSIONS, api_versions)
+ oldheap = vl_msg_push_heap ();
+ vec_add1 (shmem_vec, 0);
+ vl_msg_pop_heap (oldheap);
-/*
- * vl_api_init
- */
-static int
-vlib_api_init (void)
-{
- vl_msg_api_msg_config_t cfg;
- vl_msg_api_msg_config_t *c = &cfg;
-
- clib_memset (c, 0, sizeof (*c));
-
-#define _(N,n) do { \
- c->id = VL_API_##N; \
- c->name = #n; \
- c->handler = vl_api_##n##_t_handler; \
- c->cleanup = vl_noop_handler; \
- c->endian = vl_api_##n##_t_endian; \
- c->print = vl_api_##n##_t_print; \
- c->size = sizeof(vl_api_##n##_t); \
- c->traced = 1; /* trace, so these msgs print */ \
- c->replay = 0; /* don't replay client create/delete msgs */ \
- c->message_bounce = 0; /* don't bounce this message */ \
- vl_msg_api_config(c);} while (0);
-
- foreach_vlib_api_msg;
-#undef _
+ rp->reply_in_shmem = (uword) shmem_vec;
- return 0;
+ vl_api_send_msg (reg, (u8 *) rp);
}
-u64 vector_rate_histogram[SLEEP_N_BUCKETS];
-
-/*
- * Callback to send ourselves a plugin numbering-space trace msg
- */
static void
-send_one_plugin_msg_ids_msg (u8 * name, u16 first_msg_id, u16 last_msg_id)
+inband_cli_output (uword arg, u8 *buffer, uword buffer_bytes)
{
- vl_api_trace_plugin_msg_ids_t *mp;
- api_main_t *am = vlibapi_get_main ();
- vl_shmem_hdr_t *shmem_hdr = am->shmem_hdr;
- svm_queue_t *q;
+ u8 **mem_vecp = (u8 **) arg;
+ u8 *mem_vec = *mem_vecp;
+ u32 offset = vec_len (mem_vec);
- mp = vl_msg_api_alloc_as_if_client (sizeof (*mp));
- clib_memset (mp, 0, sizeof (*mp));
-
- mp->_vl_msg_id = clib_host_to_net_u16 (VL_API_TRACE_PLUGIN_MSG_IDS);
- strncpy ((char *) mp->plugin_name, (char *) name,
- sizeof (mp->plugin_name) - 1);
- mp->first_msg_id = clib_host_to_net_u16 (first_msg_id);
- mp->last_msg_id = clib_host_to_net_u16 (last_msg_id);
-
- q = shmem_hdr->vl_input_queue;
-
- vl_msg_api_send_shmem (q, (u8 *) & mp);
+ vec_validate (mem_vec, offset + buffer_bytes - 1);
+ clib_memcpy (mem_vec + offset, buffer, buffer_bytes);
+ *mem_vecp = mem_vec;
}
-void
-vl_api_save_msg_table (void)
+static void
+vl_api_cli_inband_t_handler (vl_api_cli_inband_t *mp)
{
- u8 *serialized_message_table;
- api_main_t *am = vlibapi_get_main ();
- u8 *chroot_file;
- int fd, rv;
-
- /*
- * Snapshoot the api message table.
- */
- if (strstr ((char *) am->save_msg_table_filename, "..")
- || index ((char *) am->save_msg_table_filename, '/'))
- {
- clib_warning ("illegal save-message-table filename '%s'",
- am->save_msg_table_filename);
- return;
- }
-
- chroot_file = format (0, "/tmp/%s%c", am->save_msg_table_filename, 0);
-
- fd = creat ((char *) chroot_file, 0644);
+ vl_api_cli_inband_reply_t *rmp;
+ int rv = 0;
+ vlib_main_t *vm = vlib_get_main ();
+ unformat_input_t input;
+ u8 *out_vec = 0;
+ u8 *cmd_vec = 0;
- if (fd < 0)
+ if (vl_msg_api_get_msg_length (mp) <
+ vl_api_string_len (&mp->cmd) + sizeof (*mp))
{
- clib_unix_warning ("creat");
- return;
+ rv = -1;
+ goto error;
}
- serialized_message_table = vl_api_serialize_message_table (am, 0);
+ cmd_vec = vl_api_from_api_to_new_vec (mp, &mp->cmd);
- rv = write (fd, serialized_message_table,
- vec_len (serialized_message_table));
+ unformat_init_string (&input, (char *) cmd_vec,
+ vl_api_string_len (&mp->cmd));
+ rv = vlib_cli_input (vm, &input, inband_cli_output, (uword) &out_vec);
+ unformat_free (&input);
- if (rv != vec_len (serialized_message_table))
- clib_unix_warning ("write");
-
- rv = close (fd);
- if (rv < 0)
- clib_unix_warning ("close");
-
- vec_free (chroot_file);
- vec_free (serialized_message_table);
+error:
+ REPLY_MACRO3 (VL_API_CLI_INBAND_REPLY, vec_len (out_vec),
+ ({ vl_api_vec_to_api_string (out_vec, &rmp->reply); }));
+ vec_free (out_vec);
+ vec_free (cmd_vec);
}
-clib_error_t *vat_builtin_main_init (vlib_main_t * vm) __attribute__ ((weak));
-clib_error_t *
-vat_builtin_main_init (vlib_main_t * vm)
-{
- return 0;
-}
-
-static uword
-vl_api_clnt_process (vlib_main_t * vm, vlib_node_runtime_t * node,
- vlib_frame_t * f)
+static void
+vl_api_get_node_index_t_handler (vl_api_get_node_index_t *mp)
{
- vlib_global_main_t *vgm = vlib_get_global_main ();
- int private_segment_rotor = 0, i, rv;
- vl_socket_args_for_process_t *a;
- vl_shmem_hdr_t *shm;
- svm_queue_t *q;
- clib_error_t *e;
- api_main_t *am = vlibapi_get_main ();
- f64 dead_client_scan_time;
- f64 sleep_time, start_time;
- f64 vector_rate;
- clib_error_t *error;
- uword event_type;
- uword *event_data = 0;
- f64 now;
-
- if ((error = vl_sock_api_init (vm)))
- {
- clib_error_report (error);
- clib_warning ("socksvr_api_init failed, quitting...");
- return 0;
- }
+ vlib_main_t *vm = vlib_get_main ();
+ vl_api_get_node_index_reply_t *rmp;
+ vlib_node_t *n;
+ int rv = 0;
+ u32 node_index = ~0;
- if ((rv = vlib_api_init ()) < 0)
- {
- clib_warning ("vlib_api_init returned %d, quitting...", rv);
- return 0;
- }
+ n = vlib_get_node_by_name (vm, mp->node_name);
- shm = am->shmem_hdr;
- q = shm->vl_input_queue;
+ if (n == 0)
+ rv = VNET_API_ERROR_NO_SUCH_NODE;
+ else
+ node_index = n->index;
- e = vlib_call_init_exit_functions (vm, &vgm->api_init_function_registrations,
- 1 /* call_once */, 1 /* is_global */);
- if (e)
- clib_error_report (e);
+ REPLY_MACRO2 (VL_API_GET_NODE_INDEX_REPLY,
+ ({ rmp->node_index = htonl (node_index); }));
+}
- e = vat_builtin_main_init (vm);
- if (e)
- clib_error_report (e);
+static void
+vl_api_add_node_next_t_handler (vl_api_add_node_next_t *mp)
+{
+ vlib_main_t *vm = vlib_get_main ();
+ vl_api_add_node_next_reply_t *rmp;
+ vlib_node_t *n, *next;
+ int rv = 0;
+ u32 next_index = ~0;
- sleep_time = 10.0;
- dead_client_scan_time = vlib_time_now (vm) + 10.0;
+ n = vlib_get_node_by_name (vm, mp->node_name);
- /*
- * Send plugin message range messages for each plugin we loaded
- */
- for (i = 0; i < vec_len (am->msg_ranges); i++)
+ if (n == 0)
{
- vl_api_msg_range_t *rp = am->msg_ranges + i;
- send_one_plugin_msg_ids_msg (rp->name, rp->first_msg_id,
- rp->last_msg_id);
+ rv = VNET_API_ERROR_NO_SUCH_NODE;
+ goto out;
}
- /*
- * Save the api message table snapshot, if configured
- */
- if (am->save_msg_table_filename)
- vl_api_save_msg_table ();
+ next = vlib_get_node_by_name (vm, mp->next_name);
- /* $$$ pay attention to frame size, control CPU usage */
- while (1)
- {
- /*
- * There's a reason for checking the queue before
- * sleeping. If the vlib application crashes, it's entirely
- * possible for a client to enqueue a connect request
- * during the process restart interval.
- *
- * Unless some force of physics causes the new incarnation
- * of the application to process the request, the client will
- * sit and wait for Godot...
- */
- vector_rate = (f64) vlib_last_vectors_per_main_loop (vm);
- start_time = vlib_time_now (vm);
- while (1)
- {
- if (vl_mem_api_handle_rpc (vm, node)
- || vl_mem_api_handle_msg_main (vm, node))
- {
- vm->api_queue_nonempty = 0;
- VL_MEM_API_LOG_Q_LEN ("q-underflow: len %d", 0);
- sleep_time = 20.0;
- break;
- }
-
- /* Allow no more than 10us without a pause */
- if (vlib_time_now (vm) > start_time + 10e-6)
- {
- int index = SLEEP_400_US;
- if (vector_rate > 40.0)
- sleep_time = 400e-6;
- else if (vector_rate > 20.0)
- {
- index = SLEEP_200_US;
- sleep_time = 200e-6;
- }
- else if (vector_rate >= 1.0)
- {
- index = SLEEP_100_US;
- sleep_time = 100e-6;
- }
- else
- {
- index = SLEEP_10_US;
- sleep_time = 10e-6;
- }
- vector_rate_histogram[index] += 1;
- break;
- }
- }
-
- /*
- * see if we have any private api shared-memory segments
- * If so, push required context variables, and process
- * a message.
- */
- if (PREDICT_FALSE (vec_len (am->vlib_private_rps)))
- {
- if (private_segment_rotor >= vec_len (am->vlib_private_rps))
- private_segment_rotor = 0;
- vl_mem_api_handle_msg_private (vm, node, private_segment_rotor++);
- }
-
- vlib_process_wait_for_event_or_clock (vm, sleep_time);
- vec_reset_length (event_data);
- event_type = vlib_process_get_events (vm, &event_data);
- now = vlib_time_now (vm);
-
- switch (event_type)
- {
- case QUEUE_SIGNAL_EVENT:
- vm->queue_signal_pending = 0;
- VL_MEM_API_LOG_Q_LEN ("q-awake: len %d", q->cursize);
-
- break;
- case SOCKET_READ_EVENT:
- for (i = 0; i < vec_len (event_data); i++)
- {
- vl_api_registration_t *regp;
-
- a = pool_elt_at_index (socket_main.process_args, event_data[i]);
- regp = vl_socket_get_registration (a->reg_index);
- if (regp)
- {
- vl_socket_process_api_msg (regp, (i8 *) a->data);
- a = pool_elt_at_index (socket_main.process_args,
- event_data[i]);
- }
- vec_free (a->data);
- pool_put (socket_main.process_args, a);
- }
- break;
-
- /* Timeout... */
- case -1:
- break;
-
- default:
- clib_warning ("unknown event type %d", event_type);
- break;
- }
-
- if (now > dead_client_scan_time)
- {
- vl_mem_api_dead_client_scan (am, shm, now);
- dead_client_scan_time = vlib_time_now (vm) + 10.0;
- }
- }
+ if (next == 0)
+ rv = VNET_API_ERROR_NO_SUCH_NODE2;
+ else
+ next_index = vlib_node_add_next (vm, n->index, next->index);
- return 0;
-}
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (vl_api_clnt_node) =
-{
- .function = vl_api_clnt_process,
- .type = VLIB_NODE_TYPE_PROCESS,
- .name = "api-rx-from-ring",
- .state = VLIB_NODE_STATE_DISABLED,
- .process_log2_n_stack_bytes = 18,
-};
-/* *INDENT-ON* */
-
-void
-vl_mem_api_enable_disable (vlib_main_t * vm, int enable)
-{
- vlib_node_set_state (vm, vl_api_clnt_node.index,
- (enable
- ? VLIB_NODE_STATE_POLLING
- : VLIB_NODE_STATE_DISABLED));
+out:
+ REPLY_MACRO2 (VL_API_ADD_NODE_NEXT_REPLY,
+ ({ rmp->next_index = htonl (next_index); }));
}
-static uword
-api_rx_from_node (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * frame)
+static void
+get_thread_data (vl_api_thread_data_t *td, int index)
{
- uword n_packets = frame->n_vectors;
- uword n_left_from;
- u32 *from;
- static u8 *long_msg;
-
- vec_validate (long_msg, 4095);
- n_left_from = frame->n_vectors;
- from = vlib_frame_vector_args (frame);
-
- while (n_left_from > 0)
- {
- u32 bi0;
- vlib_buffer_t *b0;
- void *msg;
- uword msg_len;
-
- bi0 = from[0];
- b0 = vlib_get_buffer (vm, bi0);
- from += 1;
- n_left_from -= 1;
-
- msg = b0->data + b0->current_data;
- msg_len = b0->current_length;
- if (b0->flags & VLIB_BUFFER_NEXT_PRESENT)
- {
- ASSERT (long_msg != 0);
- _vec_len (long_msg) = 0;
- vec_add (long_msg, msg, msg_len);
- while (b0->flags & VLIB_BUFFER_NEXT_PRESENT)
- {
- b0 = vlib_get_buffer (vm, b0->next_buffer);
- msg = b0->data + b0->current_data;
- msg_len = b0->current_length;
- vec_add (long_msg, msg, msg_len);
- }
- msg = long_msg;
- }
- vl_msg_api_handler_no_trace_no_free (msg);
- }
-
- /* Free what we've been given. */
- vlib_buffer_free (vm, vlib_frame_vector_args (frame), n_packets);
-
- return n_packets;
+ vlib_worker_thread_t *w = vlib_worker_threads + index;
+ td->id = htonl (index);
+ if (w->name)
+ strncpy ((char *) td->name, (char *) w->name, ARRAY_LEN (td->name) - 1);
+ if (w->registration)
+ strncpy ((char *) td->type, (char *) w->registration->name,
+ ARRAY_LEN (td->type) - 1);
+ td->pid = htonl (w->lwp);
+ td->cpu_id = htonl (w->cpu_id);
+ td->core = htonl (w->core_id);
+ td->cpu_socket = htonl (w->numa_id);
}
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (api_rx_from_node_node,static) = {
- .function = api_rx_from_node,
- .type = VLIB_NODE_TYPE_INTERNAL,
- .vector_size = 4,
- .name = "api-rx-from-node",
-};
-/* *INDENT-ON* */
-
static void
-vl_api_rpc_call_t_handler (vl_api_rpc_call_t * mp)
+vl_api_show_threads_t_handler (vl_api_show_threads_t *mp)
{
- vl_api_rpc_call_reply_t *rmp;
- int (*fp) (void *);
- i32 rv = 0;
- vlib_main_t *vm = vlib_get_main ();
-
- if (mp->function == 0)
- {
- rv = -1;
- clib_warning ("rpc NULL function pointer");
- }
+ int count = 0;
- else
- {
- if (mp->need_barrier_sync)
- vlib_worker_thread_barrier_sync (vm);
+#if !defined(__powerpc64__)
+ vl_api_registration_t *reg;
+ vl_api_show_threads_reply_t *rmp;
+ vl_api_thread_data_t *td;
+ int i, msg_size = 0;
+ count = vec_len (vlib_worker_threads);
+ if (!count)
+ return;
- fp = uword_to_pointer (mp->function, int (*)(void *));
- rv = fp (mp->data);
+ msg_size = sizeof (*rmp) + sizeof (rmp->thread_data[0]) * count;
+ reg = vl_api_client_index_to_registration (mp->client_index);
+ if (!reg)
+ return;
- if (mp->need_barrier_sync)
- vlib_worker_thread_barrier_release (vm);
- }
+ rmp = vl_msg_api_alloc (msg_size);
+ clib_memset (rmp, 0, msg_size);
+ rmp->_vl_msg_id = htons (VL_API_SHOW_THREADS_REPLY + REPLY_MSG_ID_BASE);
+ rmp->context = mp->context;
+ rmp->count = htonl (count);
+ td = rmp->thread_data;
- if (mp->send_reply)
+ for (i = 0; i < count; i++)
{
- svm_queue_t *q = vl_api_client_index_to_input_queue (mp->client_index);
- if (q)
- {
- rmp = vl_msg_api_alloc_as_if_client (sizeof (*rmp));
- rmp->_vl_msg_id = ntohs (VL_API_RPC_CALL_REPLY);
- rmp->context = mp->context;
- rmp->retval = rv;
- vl_msg_api_send_shmem (q, (u8 *) & rmp);
- }
+ get_thread_data (&td[i], i);
}
- if (mp->multicast)
- {
- clib_warning ("multicast not yet implemented...");
- }
-}
-static void
-vl_api_rpc_call_reply_t_handler (vl_api_rpc_call_reply_t * mp)
-{
- clib_warning ("unimplemented");
-}
-
-void
-vl_api_send_pending_rpc_requests (vlib_main_t * vm)
-{
- vlib_main_t *vm_global = vlib_get_first_main ();
-
- ASSERT (vm != vm_global);
+ vl_api_send_msg (reg, (u8 *) rmp);
+#else
- clib_spinlock_lock_if_init (&vm_global->pending_rpc_lock);
- vec_append (vm_global->pending_rpc_requests, vm->pending_rpc_requests);
- vec_reset_length (vm->pending_rpc_requests);
- clib_spinlock_unlock_if_init (&vm_global->pending_rpc_lock);
+ /* unimplemented support */
+ rv = -9;
+ clib_warning ("power pc does not support show threads api");
+ REPLY_MACRO2 (VL_API_SHOW_THREADS_REPLY, ({ rmp->count = htonl (count); }));
+#endif
}
-always_inline void
-vl_api_rpc_call_main_thread_inline (void *fp, u8 * data, u32 data_length,
- u8 force_rpc)
+static void
+vl_api_get_node_graph_t_handler (vl_api_get_node_graph_t *mp)
{
- vl_api_rpc_call_t *mp;
- vlib_main_t *vm_global = vlib_get_first_main ();
+ int rv = 0;
+ u8 *vector = 0;
vlib_main_t *vm = vlib_get_main ();
+ void *oldheap;
+ vl_api_get_node_graph_reply_t *rmp;
+ static vlib_node_t ***node_dups;
+ static vlib_main_t **stat_vms;
- /* Main thread and not a forced RPC: call the function directly */
- if ((force_rpc == 0) && (vlib_get_thread_index () == 0))
- {
- void (*call_fp) (void *);
-
- vlib_worker_thread_barrier_sync (vm);
+ oldheap = vl_msg_push_heap ();
- call_fp = fp;
- call_fp (data);
+ /*
+ * Keep the number of memcpy ops to a minimum (e.g. 1).
+ */
+ vec_validate (vector, 16384);
+ vec_reset_length (vector);
- vlib_worker_thread_barrier_release (vm);
- return;
- }
+ vlib_node_get_nodes (vm, 0 /* main threads */, 0 /* include stats */,
+ 1 /* barrier sync */, &node_dups, &stat_vms);
+ vector = vlib_node_serialize (vm, node_dups, vector, 1 /* include nexts */,
+ 1 /* include stats */);
- /* Otherwise, actually do an RPC */
- mp = vl_msg_api_alloc_as_if_client (sizeof (*mp) + data_length);
-
- clib_memset (mp, 0, sizeof (*mp));
- clib_memcpy_fast (mp->data, data, data_length);
- mp->_vl_msg_id = ntohs (VL_API_RPC_CALL);
- mp->function = pointer_to_uword (fp);
- mp->need_barrier_sync = 1;
-
- /* Add to the pending vector. Thread 0 requires locking. */
- if (vm == vm_global)
- clib_spinlock_lock_if_init (&vm_global->pending_rpc_lock);
- vec_add1 (vm->pending_rpc_requests, (uword) mp);
- if (vm == vm_global)
- clib_spinlock_unlock_if_init (&vm_global->pending_rpc_lock);
-}
+ vl_msg_pop_heap (oldheap);
-/*
- * Check if called from worker threads.
- * If so, make rpc call of fp through shmem.
- * Otherwise, call fp directly
- */
-void
-vl_api_rpc_call_main_thread (void *fp, u8 * data, u32 data_length)
-{
- vl_api_rpc_call_main_thread_inline (fp, data, data_length, /*force_rpc */
- 0);
-}
-
-/*
- * Always make rpc call of fp through shmem, useful for calling from threads
- * not setup as worker threads, such as DPDK callback thread
- */
-void
-vl_api_force_rpc_call_main_thread (void *fp, u8 * data, u32 data_length)
-{
- vl_api_rpc_call_main_thread_inline (fp, data, data_length, /*force_rpc */
- 1);
+ REPLY_MACRO2 (VL_API_GET_NODE_GRAPH_REPLY,
+ ({ rmp->reply_in_shmem = (uword) vector; }));
}
static void
-vl_api_trace_plugin_msg_ids_t_handler (vl_api_trace_plugin_msg_ids_t * mp)
+vl_api_get_next_index_t_handler (vl_api_get_next_index_t *mp)
{
- api_main_t *am = vlibapi_get_main ();
- vl_api_msg_range_t *rp;
+ vlib_main_t *vm = vlib_get_main ();
+ vl_api_get_next_index_reply_t *rmp;
+ vlib_node_t *node, *next_node;
+ int rv = 0;
+ u32 next_node_index = ~0, next_index = ~0;
uword *p;
- /* Noop (except for tracing) during normal operation */
- if (am->replay_in_progress == 0)
- return;
+ node = vlib_get_node_by_name (vm, mp->node_name);
- p = hash_get_mem (am->msg_range_by_name, mp->plugin_name);
- if (p == 0)
+ if (node == 0)
{
- clib_warning ("WARNING: traced plugin '%s' not in current image",
- mp->plugin_name);
- return;
+ rv = VNET_API_ERROR_NO_SUCH_NODE;
+ goto out;
}
- rp = vec_elt_at_index (am->msg_ranges, p[0]);
- if (rp->first_msg_id != clib_net_to_host_u16 (mp->first_msg_id))
+ next_node = vlib_get_node_by_name (vm, mp->next_name);
+
+ if (next_node == 0)
{
- clib_warning ("WARNING: traced plugin '%s' first message id %d not %d",
- mp->plugin_name, clib_net_to_host_u16 (mp->first_msg_id),
- rp->first_msg_id);
+ rv = VNET_API_ERROR_NO_SUCH_NODE2;
+ goto out;
}
+ else
+ next_node_index = next_node->index;
- if (rp->last_msg_id != clib_net_to_host_u16 (mp->last_msg_id))
+ p = hash_get (node->next_slot_by_node, next_node_index);
+
+ if (p == 0)
{
- clib_warning ("WARNING: traced plugin '%s' last message id %d not %d",
- mp->plugin_name, clib_net_to_host_u16 (mp->last_msg_id),
- rp->last_msg_id);
+ rv = VNET_API_ERROR_NO_SUCH_ENTRY;
+ goto out;
}
-}
+ else
+ next_index = p[0];
-#define foreach_rpc_api_msg \
-_(RPC_CALL,rpc_call) \
-_(RPC_CALL_REPLY,rpc_call_reply)
+out:
+ REPLY_MACRO2 (VL_API_GET_NEXT_INDEX_REPLY,
+ ({ rmp->next_index = htonl (next_index); }));
+}
-#define foreach_plugin_trace_msg \
-_(TRACE_PLUGIN_MSG_IDS,trace_plugin_msg_ids)
+static void
+vl_api_get_f64_endian_value_t_handler (vl_api_get_f64_endian_value_t *mp)
+{
+ int rv = 0;
+ f64 one = 1.0;
+ vl_api_get_f64_endian_value_reply_t *rmp;
+ if (1.0 != clib_net_to_host_f64 (mp->f64_one))
+ rv = VNET_API_ERROR_API_ENDIAN_FAILED;
+
+ REPLY_MACRO2 (VL_API_GET_F64_ENDIAN_VALUE_REPLY,
+ ({ rmp->f64_one_result = clib_host_to_net_f64 (one); }));
+}
-/*
- * Set the rpc callback at our earliest possible convenience.
- * This avoids ordering issues between thread_init() -> start_workers and
- * an init function which we could define here. If we ever intend to use
- * vlib all by itself, we can't create a link-time dependency on
- * an init function here and a typical "call foo_init first"
- * guitar lick.
- */
+static void
+vl_api_get_f64_increment_by_one_t_handler (
+ vl_api_get_f64_increment_by_one_t *mp)
+{
+ int rv = 0;
+ vl_api_get_f64_increment_by_one_reply_t *rmp;
-extern void *rpc_call_main_thread_cb_fn;
+ REPLY_MACRO2 (VL_API_GET_F64_INCREMENT_BY_ONE_REPLY, ({
+ rmp->f64_value = clib_host_to_net_f64 (
+ clib_net_to_host_f64 (mp->f64_value) + 1.0);
+ }));
+}
+#include <vlibmemory/vlib.api.c>
static clib_error_t *
-rpc_api_hookup (vlib_main_t * vm)
+vlib_apis_hookup (vlib_main_t *vm)
{
api_main_t *am = vlibapi_get_main ();
-#define _(N,n) \
- vl_msg_api_set_handlers(VL_API_##N, #n, \
- vl_api_##n##_t_handler, \
- vl_noop_handler, \
- vl_noop_handler, \
- vl_api_##n##_t_print, \
- sizeof(vl_api_##n##_t), 0 /* do not trace */);
- foreach_rpc_api_msg;
-#undef _
-
-#define _(N,n) \
- vl_msg_api_set_handlers(VL_API_##N, #n, \
- vl_api_##n##_t_handler, \
- vl_noop_handler, \
- vl_noop_handler, \
- vl_api_##n##_t_print, \
- sizeof(vl_api_##n##_t), 1 /* do trace */);
- foreach_plugin_trace_msg;
-#undef _
-
- /* No reason to halt the parade to create a trace record... */
- am->is_mp_safe[VL_API_TRACE_PLUGIN_MSG_IDS] = 1;
- rpc_call_main_thread_cb_fn = vl_api_rpc_call_main_thread;
+
+ /*
+ * Set up the (msg_name, crc, message-id) table
+ */
+ msg_id_base = setup_message_id_table ();
+
+ am->is_mp_safe[VL_API_GET_NODE_GRAPH] = 1;
+
return 0;
}
-VLIB_API_INIT_FUNCTION (rpc_api_hookup);
+VLIB_API_INIT_FUNCTION (vlib_apis_hookup);
/*
* fd.io coding-style-patch-verification: ON
Code Review / vpp.git / blobdiff