diff options
Diffstat (limited to 'src/plugins/builtinurl/builtinurl.c')
| -rw-r--r-- | src/plugins/builtinurl/builtinurl.c | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/src/plugins/builtinurl/builtinurl.c b/src/plugins/builtinurl/builtinurl.c new file mode 100644 index 00000000000..796035ebce5 --- /dev/null +++ b/src/plugins/builtinurl/builtinurl.c @@ -0,0 +1,208 @@ +/* + * builtinurl.c - skeleton vpp engine plug-in + * + * Copyright (c) 2019 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: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * 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 <vnet/vnet.h> +#include <vnet/plugin/plugin.h> +#include <builtinurl/builtinurl.h> + +#include <vlibapi/api.h> +#include <vlibmemory/api.h> +#include <vpp/app/version.h> +#include <stdbool.h> + +/* define message IDs */ +#include <builtinurl/builtinurl_msg_enum.h> + +/* define message structures */ +#define vl_typedefs +#include <builtinurl/builtinurl_all_api_h.h> +#undef vl_typedefs + +/* define generated endian-swappers */ +#define vl_endianfun +#include <builtinurl/builtinurl_all_api_h.h> +#undef vl_endianfun + +/* instantiate all the print functions we know about */ +#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__) +#define vl_printfun +#include <builtinurl/builtinurl_all_api_h.h> +#undef vl_printfun + +/* Get the API version number */ +#define vl_api_version(n,v) static u32 api_version=(v); +#include <builtinurl/builtinurl_all_api_h.h> +#undef vl_api_version + +#define REPLY_MSG_ID_BASE bmp->msg_id_base +#include <vlibapi/api_helper_macros.h> + +builtinurl_main_t builtinurl_main; + +/* List of message types that this plugin understands */ + +#define foreach_builtinurl_plugin_api_msg \ +_(BUILTINURL_ENABLE, builtinurl_enable) + +/* Action function shared between message handler and debug CLI */ + +int +builtinurl_enable (builtinurl_main_t * bmp) +{ + void (*fp) (void *, char *, int); + + if (bmp->initialized) + return 0; + + /* Look up the builtin URL registration handler */ + fp = vlib_get_plugin_symbol + ("http_static_plugin.so", "http_static_server_register_builtin_handler"); + + /* Most likely, the http_static plugin isn't loaded. Done. */ + if (fp == 0) + return VNET_API_ERROR_NO_SUCH_TABLE; + + bmp->register_handler = fp; + builtinurl_handler_init (bmp); + bmp->initialized = 1; + + return 0; +} + +static clib_error_t * +builtinurl_enable_command_fn (vlib_main_t * vm, + unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + builtinurl_main_t *bmp = &builtinurl_main; + + int rv; + + rv = builtinurl_enable (bmp); + + switch (rv) + { + case 0: + break; + + case VNET_API_ERROR_NO_SUCH_TABLE: + return clib_error_return + (0, "http_static_server_register_builtin_handler undefined"); + break; + + default: + return clib_error_return (0, "builtinurl_enable returned %d", rv); + } + return 0; +} + +/* *INDENT-OFF* */ +VLIB_CLI_COMMAND (builtinurl_enable_command, static) = +{ + .path = "builtinurl enable", + .short_help = "Turn on builtin http/https GET and POST urls", + .function = builtinurl_enable_command_fn, +}; +/* *INDENT-ON* */ + +/* API message handler */ +static void vl_api_builtinurl_enable_t_handler + (vl_api_builtinurl_enable_t * mp) +{ + vl_api_builtinurl_enable_reply_t *rmp; + builtinurl_main_t *bmp = &builtinurl_main; + int rv; + + rv = builtinurl_enable (bmp); + + REPLY_MACRO (VL_API_BUILTINURL_ENABLE_REPLY); +} + +/* Set up the API message handling tables */ +static clib_error_t * +builtinurl_plugin_api_hookup (vlib_main_t * vm) +{ + builtinurl_main_t *bmp = &builtinurl_main; +#define _(N,n) \ + vl_msg_api_set_handlers((VL_API_##N + bmp->msg_id_base), \ + #n, \ + vl_api_##n##_t_handler, \ + vl_noop_handler, \ + vl_api_##n##_t_endian, \ + vl_api_##n##_t_print, \ + sizeof(vl_api_##n##_t), 1); + foreach_builtinurl_plugin_api_msg; +#undef _ + + return 0; +} + +#define vl_msg_name_crc_list +#include <builtinurl/builtinurl_all_api_h.h> +#undef vl_msg_name_crc_list + +static void +setup_message_id_table (builtinurl_main_t * bmp, api_main_t * am) +{ +#define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + bmp->msg_id_base); + foreach_vl_msg_name_crc_builtinurl; +#undef _ +} + +static clib_error_t * +builtinurl_init (vlib_main_t * vm) +{ + builtinurl_main_t *bmp = &builtinurl_main; + clib_error_t *error = 0; + u8 *name; + + bmp->vlib_main = vm; + bmp->vnet_main = vnet_get_main (); + + name = format (0, "builtinurl_%08x%c", api_version, 0); + + /* Ask for a correctly-sized block of API message decode slots */ + bmp->msg_id_base = vl_msg_api_get_msg_ids + ((char *) name, VL_MSG_FIRST_AVAILABLE); + + error = builtinurl_plugin_api_hookup (vm); + + /* Add our API messages to the global name_crc hash table */ + setup_message_id_table (bmp, &api_main); + + vec_free (name); + + return error; +} + +VLIB_INIT_FUNCTION (builtinurl_init); + +/* *INDENT-OFF* */ +VLIB_PLUGIN_REGISTER () = +{ + .version = VPP_BUILD_VER, + .description = "vpp built-in URL support", +}; +/* *INDENT-ON* */ + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |