fe45f8f5af
Type: improvement Change-Id: I7f7050c19453a69a7fb6c5e62f8f57db847d9144 Signed-off-by: Damjan Marion <damarion@cisco.com>
148 lines
3.7 KiB
C
148 lines
3.7 KiB
C
/*
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* Copyright (c) 2017-2022 Cisco and/or its affiliates.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <vnet/vnet.h>
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#include <vnet/plugin/plugin.h>
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#include <http_static/http_static.h>
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#include <vlibapi/api.h>
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#include <vlibmemory/api.h>
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#include <vpp/app/version.h>
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/* define message IDs */
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#include <http_static/http_static.api_enum.h>
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#include <http_static/http_static.api_types.h>
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#include <vpp/api/types.h>
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#define REPLY_MSG_ID_BASE hsm->msg_id_base
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#include <vlibapi/api_helper_macros.h>
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__clib_export void
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hss_register_url_handler (hss_url_handler_fn fp, const char *url,
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http_req_method_t request_type)
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{
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hss_main_t *hsm = &hss_main;
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uword *p, *url_table;
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url_table = (request_type == HTTP_REQ_GET) ? hsm->get_url_handlers :
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hsm->post_url_handlers;
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p = hash_get_mem (url_table, url);
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if (p)
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{
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clib_warning ("WARNING: attempt to replace handler for %s '%s' ignored",
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(request_type == HTTP_REQ_GET) ? "GET" : "POST", url);
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return;
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}
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hash_set_mem (url_table, url, (uword) fp);
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/*
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* Need to update the hash table pointer in http_static_server_main
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* in case we just expanded it...
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*/
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if (request_type == HTTP_REQ_GET)
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hsm->get_url_handlers = url_table;
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else
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hsm->post_url_handlers = url_table;
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}
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/** \brief API helper function for vl_api_http_static_enable_t messages
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*/
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static int
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hss_enable_api (u32 fifo_size, u32 cache_limit, u32 prealloc_fifos,
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u32 private_segment_size, u8 *www_root, u8 *uri)
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{
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hss_main_t *hsm = &hss_main;
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int rv;
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hsm->fifo_size = fifo_size;
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hsm->cache_size = cache_limit;
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hsm->prealloc_fifos = prealloc_fifos;
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hsm->private_segment_size = private_segment_size;
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hsm->www_root = format (0, "%s%c", www_root, 0);
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hsm->uri = format (0, "%s%c", uri, 0);
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if (vec_len (hsm->www_root) < 2)
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return VNET_API_ERROR_INVALID_VALUE;
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if (hsm->app_index != ~0)
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return VNET_API_ERROR_APP_ALREADY_ATTACHED;
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vnet_session_enable_disable (hsm->vlib_main, 1 /* turn on TCP, etc. */);
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rv = hss_create (hsm->vlib_main);
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switch (rv)
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{
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case 0:
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break;
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default:
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vec_free (hsm->www_root);
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vec_free (hsm->uri);
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return VNET_API_ERROR_INIT_FAILED;
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}
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return 0;
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}
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/* API message handler */
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static void vl_api_http_static_enable_t_handler
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(vl_api_http_static_enable_t * mp)
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{
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vl_api_http_static_enable_reply_t *rmp;
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hss_main_t *hsm = &hss_main;
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int rv;
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mp->uri[ARRAY_LEN (mp->uri) - 1] = 0;
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mp->www_root[ARRAY_LEN (mp->www_root) - 1] = 0;
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rv =
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hss_enable_api (ntohl (mp->fifo_size), ntohl (mp->cache_size_limit),
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ntohl (mp->prealloc_fifos),
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ntohl (mp->private_segment_size), mp->www_root, mp->uri);
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REPLY_MACRO (VL_API_HTTP_STATIC_ENABLE_REPLY);
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}
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#include <http_static/http_static.api.c>
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static clib_error_t *
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hss_api_init (vlib_main_t *vm)
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{
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hss_main_t *hsm = &hss_main;
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/* Ask for a correctly-sized block of API message decode slots */
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hsm->msg_id_base = setup_message_id_table ();
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return 0;
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}
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VLIB_INIT_FUNCTION (hss_api_init);
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VLIB_PLUGIN_REGISTER () =
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{
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.version = VPP_BUILD_VER,
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.description = "HTTP Static Server"
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};
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/*
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* fd.io coding-style-patch-verification: ON
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*
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* Local Variables:
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* eval: (c-set-style "gnu")
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* End:
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*/
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