2 * builtinurl.c - skeleton vpp engine plug-in
4 * Copyright (c) 2019 Cisco and/or its affiliates.
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at:
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
18 #include <vnet/vnet.h>
19 #include <vnet/plugin/plugin.h>
20 #include <builtinurl/builtinurl.h>
22 #include <vlibapi/api.h>
23 #include <vlibmemory/api.h>
24 #include <vpp/app/version.h>
27 /* define message IDs */
28 #include <builtinurl/builtinurl_msg_enum.h>
30 /* define message structures */
32 #include <builtinurl/builtinurl_all_api_h.h>
35 /* define generated endian-swappers */
37 #include <builtinurl/builtinurl_all_api_h.h>
40 /* instantiate all the print functions we know about */
41 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
43 #include <builtinurl/builtinurl_all_api_h.h>
46 /* Get the API version number */
47 #define vl_api_version(n,v) static u32 api_version=(v);
48 #include <builtinurl/builtinurl_all_api_h.h>
51 #define REPLY_MSG_ID_BASE bmp->msg_id_base
52 #include <vlibapi/api_helper_macros.h>
54 builtinurl_main_t builtinurl_main;
56 /* List of message types that this plugin understands */
58 #define foreach_builtinurl_plugin_api_msg \
59 _(BUILTINURL_ENABLE, builtinurl_enable)
61 /* Action function shared between message handler and debug CLI */
64 builtinurl_enable (builtinurl_main_t * bmp)
66 void (*fp) (void *, char *, int);
71 /* Look up the builtin URL registration handler */
72 fp = vlib_get_plugin_symbol
73 ("http_static_plugin.so", "http_static_server_register_builtin_handler");
75 /* Most likely, the http_static plugin isn't loaded. Done. */
77 return VNET_API_ERROR_NO_SUCH_TABLE;
79 bmp->register_handler = fp;
80 builtinurl_handler_init (bmp);
87 builtinurl_enable_command_fn (vlib_main_t * vm,
88 unformat_input_t * input,
89 vlib_cli_command_t * cmd)
91 builtinurl_main_t *bmp = &builtinurl_main;
95 rv = builtinurl_enable (bmp);
102 case VNET_API_ERROR_NO_SUCH_TABLE:
103 return clib_error_return
104 (0, "http_static_server_register_builtin_handler undefined");
108 return clib_error_return (0, "builtinurl_enable returned %d", rv);
114 VLIB_CLI_COMMAND (builtinurl_enable_command, static) =
116 .path = "builtinurl enable",
117 .short_help = "Turn on builtin http/https GET and POST urls",
118 .function = builtinurl_enable_command_fn,
122 /* API message handler */
123 static void vl_api_builtinurl_enable_t_handler
124 (vl_api_builtinurl_enable_t * mp)
126 vl_api_builtinurl_enable_reply_t *rmp;
127 builtinurl_main_t *bmp = &builtinurl_main;
130 rv = builtinurl_enable (bmp);
132 REPLY_MACRO (VL_API_BUILTINURL_ENABLE_REPLY);
135 /* Set up the API message handling tables */
136 static clib_error_t *
137 builtinurl_plugin_api_hookup (vlib_main_t * vm)
139 builtinurl_main_t *bmp = &builtinurl_main;
141 vl_msg_api_set_handlers((VL_API_##N + bmp->msg_id_base), \
143 vl_api_##n##_t_handler, \
145 vl_api_##n##_t_endian, \
146 vl_api_##n##_t_print, \
147 sizeof(vl_api_##n##_t), 1);
148 foreach_builtinurl_plugin_api_msg;
154 #define vl_msg_name_crc_list
155 #include <builtinurl/builtinurl_all_api_h.h>
156 #undef vl_msg_name_crc_list
159 setup_message_id_table (builtinurl_main_t * bmp, api_main_t * am)
161 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + bmp->msg_id_base);
162 foreach_vl_msg_name_crc_builtinurl;
166 static clib_error_t *
167 builtinurl_init (vlib_main_t * vm)
169 builtinurl_main_t *bmp = &builtinurl_main;
170 clib_error_t *error = 0;
174 bmp->vnet_main = vnet_get_main ();
176 name = format (0, "builtinurl_%08x%c", api_version, 0);
178 /* Ask for a correctly-sized block of API message decode slots */
179 bmp->msg_id_base = vl_msg_api_get_msg_ids
180 ((char *) name, VL_MSG_FIRST_AVAILABLE);
182 error = builtinurl_plugin_api_hookup (vm);
184 /* Add our API messages to the global name_crc hash table */
185 setup_message_id_table (bmp, &api_main);
192 VLIB_INIT_FUNCTION (builtinurl_init);
195 VLIB_PLUGIN_REGISTER () =
197 .version = VPP_BUILD_VER,
198 .description = "vpp built-in URL support",
203 * fd.io coding-style-patch-verification: ON
206 * eval: (c-set-style "gnu")