2 *------------------------------------------------------------------
5 * Copyright (c) 2009-2015 Cisco and/or its affiliates.
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at:
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 *------------------------------------------------------------------
20 #ifndef included_api_h
21 #define included_api_h
23 #include <vppinfra/error.h>
25 #include <vlib/vlib.h>
26 #include <vlibmemory/unix_shared_memory_queue.h>
27 #include <vlib/unix/unix.h>
30 REGISTRATION_TYPE_FREE=0,
31 REGISTRATION_TYPE_SHMEM,
32 REGISTRATION_TYPE_SOCKET_LISTEN,
33 REGISTRATION_TYPE_SOCKET_SERVER,
34 REGISTRATION_TYPE_SOCKET_CLIENT,
35 } vl_registration_type_t;
37 typedef struct vl_api_registration_ {
38 vl_registration_type_t registration_type;
40 /* Index in VLIB's brain (not shared memory). */
41 u32 vl_api_registration_pool_index;
46 * The following groups of data could be unioned, but my fingers are
47 * going to be sore enough.
50 /* shared memory only */
51 unix_shared_memory_queue_t *vl_input_queue;
53 /* socket server and client */
55 i8 * unprocessed_input;
56 u32 unprocessed_msg_length;
59 /* socket client only */
63 } vl_api_registration_t;
66 /* Trace configuration for a single message */
86 typedef CLIB_PACKED (struct {
90 }) vl_api_trace_file_header_t;
95 } vl_api_trace_which_t;
97 #define VL_API_LITTLE_ENDIAN 0x00
98 #define VL_API_BIG_ENDIAN 0x01
104 } vl_api_msg_range_t;
107 void (**msg_handlers)(void *);
108 int (**pd_msg_handlers)(void *, int);
109 void (**msg_cleanup_handlers)(void *);
110 void (**msg_endian_handlers)(void *);
111 void (**msg_print_handlers)(void *, void *);
115 struct ring_alloc_ *arings;
118 vl_api_trace_t *rx_trace;
119 vl_api_trace_t *tx_trace;
121 trace_cfg_t *api_trace_cfg;
123 svm_region_t *vlib_rp;
124 svm_region_t **mapped_shmem_regions;
125 struct vl_shmem_hdr_ *shmem_hdr;
126 vl_api_registration_t **vl_clients;
128 /* For plugin msg allocator */
129 u16 first_available_msg_id;
131 /* message range by name hash */
132 uword * msg_range_by_name;
134 /* vector of message ranges */
135 vl_api_msg_range_t *msg_ranges;
137 /* Client-only data structures */
138 unix_shared_memory_queue_t *vl_input_queue;
141 * All VLIB-side message handlers use my_client_index to identify
142 * the queue / client. This works in sim replay.
146 * This is the (shared VM) address of the registration,
147 * don't use it to id the connection since it can't possibly
148 * work in simulator replay.
150 vl_api_registration_t *my_registration;
172 } vl_msg_api_msg_config_t;
174 /* api_shared.c prototypes */
175 int vl_msg_api_rx_trace_enabled(api_main_t *am);
176 int vl_msg_api_tx_trace_enabled(api_main_t *am);
177 void vl_msg_api_trace(api_main_t *am, vl_api_trace_t *tp, void *msg);
178 int vl_msg_api_trace_onoff(api_main_t *am, vl_api_trace_which_t which,
180 int vl_msg_api_trace_free(api_main_t *am, vl_api_trace_which_t which);
181 int vl_msg_api_trace_save(api_main_t *am,
182 vl_api_trace_which_t which, FILE *fp);
183 int vl_msg_api_trace_configure(api_main_t *am, vl_api_trace_which_t which,
185 void vl_msg_api_handler_with_vm_node (api_main_t *am,
186 void *the_msg, vlib_main_t *vm,
187 vlib_node_runtime_t *node);
188 void vl_msg_api_handler (void *the_msg);
189 void vl_msg_api_handler_no_free (void *the_msg);
190 void vl_msg_api_handler_no_trace_no_free (void *the_msg);
191 void vl_msg_api_trace_only (void *the_msg);
192 void vl_msg_api_cleanup_handler (void *the_msg);
193 void vl_msg_api_replay_handler(void *the_msg);
194 void vl_msg_api_socket_handler(void *the_msg);
195 void vl_msg_api_set_handlers(int msg_id, char *msg_name,
200 int msg_size, int traced);
201 void vl_msg_api_config (vl_msg_api_msg_config_t *);
202 void vl_msg_api_set_cleanup_handler(int msg_id, void *fp);
203 void vl_msg_api_queue_handler(unix_shared_memory_queue_t *q);
204 vl_api_trace_t *vl_msg_api_trace_get(api_main_t *am,
205 vl_api_trace_which_t which);
207 void vl_msg_api_free (void *);
208 void vl_noop_handler (void *mp);
209 clib_error_t *vl_api_init (vlib_main_t *vm);
210 void vl_msg_api_increment_missing_client_counter(void);
211 void vl_msg_api_post_mortem_dump (void);
212 void vl_msg_api_register_pd_handler (void *handler, u16 msg_id_host_byte_order);
213 int vl_msg_api_pd_handler (void *mp, int rv);
215 void vl_msg_api_set_first_available_msg_id (u16 first_avail);
216 u16 vl_msg_api_get_msg_ids (char * name, int n);
218 #define VLIB_API_INIT_FUNCTION(x) VLIB_DECLARE_INIT_FUNCTION(x,api_init)
220 #endif /* included_api_h */