Line data    Source code

       1             : /*
       2             :  * builtinurl.c - skeleton vpp engine plug-in
       3             :  *
       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:
       8             :  *
       9             :  *     http://www.apache.org/licenses/LICENSE-2.0
      10             :  *
      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.
      16             :  */
      17             : 
      18             : #include <vnet/vnet.h>
      19             : #include <vnet/plugin/plugin.h>
      20             : #include <builtinurl/builtinurl.h>
      21             : 
      22             : #include <vlibapi/api.h>
      23             : #include <vlibmemory/api.h>
      24             : #include <vpp/app/version.h>
      25             : #include <stdbool.h>
      26             : 
      27             : /* define message IDs */
      28             : #include <builtinurl/builtinurl.api_enum.h>
      29             : #include <builtinurl/builtinurl.api_types.h>
      30             : 
      31             : #define REPLY_MSG_ID_BASE bmp->msg_id_base
      32             : #include <vlibapi/api_helper_macros.h>
      33             : 
      34             : builtinurl_main_t builtinurl_main;
      35             : 
      36             : /* Action function shared between message handler and debug CLI */
      37             : 
      38             : int
      39           0 : builtinurl_enable (builtinurl_main_t * bmp)
      40             : {
      41             :   void (*fp) (void *, char *, int);
      42             : 
      43           0 :   if (bmp->initialized)
      44           0 :     return 0;
      45             : 
      46             :   /* Look up the builtin URL registration handler */
      47           0 :   fp = vlib_get_plugin_symbol
      48             :     ("http_static_plugin.so", "http_static_server_register_builtin_handler");
      49             : 
      50             :   /* Most likely, the http_static plugin isn't loaded. Done. */
      51           0 :   if (fp == 0)
      52           0 :     return VNET_API_ERROR_NO_SUCH_TABLE;
      53             : 
      54           0 :   bmp->register_handler = fp;
      55           0 :   builtinurl_handler_init (bmp);
      56           0 :   bmp->initialized = 1;
      57             : 
      58           0 :   return 0;
      59             : }
      60             : 
      61             : static clib_error_t *
      62           0 : builtinurl_enable_command_fn (vlib_main_t * vm,
      63             :                               unformat_input_t * input,
      64             :                               vlib_cli_command_t * cmd)
      65             : {
      66           0 :   builtinurl_main_t *bmp = &builtinurl_main;
      67             : 
      68             :   int rv;
      69             : 
      70           0 :   rv = builtinurl_enable (bmp);
      71             : 
      72           0 :   switch (rv)
      73             :     {
      74           0 :     case 0:
      75           0 :       break;
      76             : 
      77           0 :     case VNET_API_ERROR_NO_SUCH_TABLE:
      78           0 :       return clib_error_return
      79             :         (0, "http_static_server_register_builtin_handler undefined");
      80             :       break;
      81             : 
      82           0 :     default:
      83           0 :       return clib_error_return (0, "builtinurl_enable returned %d", rv);
      84             :     }
      85           0 :   return 0;
      86             : }
      87             : 
      88             : /* *INDENT-OFF* */
      89      253287 : VLIB_CLI_COMMAND (builtinurl_enable_command, static) =
      90             : {
      91             :   .path = "builtinurl enable",
      92             :   .short_help = "Turn on builtin http/https GET and POST urls",
      93             :   .function = builtinurl_enable_command_fn,
      94             : };
      95             : /* *INDENT-ON* */
      96             : 
      97             : /* API message handler */
      98           0 : static void vl_api_builtinurl_enable_t_handler
      99             :   (vl_api_builtinurl_enable_t * mp)
     100             : {
     101             :   vl_api_builtinurl_enable_reply_t *rmp;
     102           0 :   builtinurl_main_t *bmp = &builtinurl_main;
     103             :   int rv;
     104             : 
     105           0 :   rv = builtinurl_enable (bmp);
     106             : 
     107           0 :   REPLY_MACRO (VL_API_BUILTINURL_ENABLE_REPLY);
     108             : }
     109             : 
     110             : #include <builtinurl/builtinurl.api.c>
     111             : static clib_error_t *
     112         559 : builtinurl_init (vlib_main_t * vm)
     113             : {
     114         559 :   builtinurl_main_t *bmp = &builtinurl_main;
     115             : 
     116         559 :   bmp->vlib_main = vm;
     117         559 :   bmp->vnet_main = vnet_get_main ();
     118             : 
     119             :   /* Ask for a correctly-sized block of API message decode slots */
     120         559 :   bmp->msg_id_base = setup_message_id_table ();
     121             : 
     122         559 :   return 0;
     123             : }
     124             : 
     125        1119 : VLIB_INIT_FUNCTION (builtinurl_init);
     126             : 
     127             : /* *INDENT-OFF* */
     128             : VLIB_PLUGIN_REGISTER () =
     129             : {
     130             :   .version = VPP_BUILD_VER,
     131             :   .description = "vpp built-in URL support",
     132             : };
     133             : /* *INDENT-ON* */
     134             : 
     135             : /*
     136             :  * fd.io coding-style-patch-verification: ON
     137             :  *
     138             :  * Local Variables:
     139             :  * eval: (c-set-style "gnu")
     140             :  * End:
     141             :  */