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/*
* Copyright (c) 2022 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.
*/
#ifndef SRC_PLUGINS_HTTP_HTTP_H_
#define SRC_PLUGINS_HTTP_HTTP_H_
#include <vnet/plugin/plugin.h>
#include <vpp/app/version.h>
#include <vppinfra/time_range.h>
#include <vnet/session/application_interface.h>
#include <vnet/session/application.h>
#include <http/http_buffer.h>
#define HTTP_DEBUG 0
#if HTTP_DEBUG
#define HTTP_DBG(_lvl, _fmt, _args...) \
if (_lvl <= HTTP_DEBUG) \
clib_warning (_fmt, ##_args)
#else
#define HTTP_DBG(_lvl, _fmt, _args...)
#endif
typedef struct http_conn_id_
{
union
{
session_handle_t app_session_handle;
u32 parent_app_api_ctx;
};
session_handle_t tc_session_handle;
u32 parent_app_wrk_index;
} http_conn_id_t;
STATIC_ASSERT (sizeof (http_conn_id_t) <= TRANSPORT_CONN_ID_LEN,
"ctx id must be less than TRANSPORT_CONN_ID_LEN");
typedef enum http_state_
{
HTTP_CONN_STATE_LISTEN,
HTTP_CONN_STATE_CONNECTING,
HTTP_CONN_STATE_ESTABLISHED,
HTTP_CONN_STATE_TRANSPORT_CLOSED,
HTTP_CONN_STATE_APP_CLOSED,
HTTP_CONN_STATE_CLOSED
} http_conn_state_t;
typedef enum http_req_state_
{
HTTP_REQ_STATE_WAIT_METHOD,
HTTP_REQ_STATE_WAIT_APP,
HTTP_REQ_STATE_SEND_MORE_DATA,
HTTP_REQ_N_STATES,
} http_req_state_t;
typedef enum http_req_method_
{
HTTP_REQ_GET = 0,
HTTP_REQ_POST,
} http_req_method_t;
typedef enum http_msg_type_
{
HTTP_MSG_REQUEST,
HTTP_MSG_REPLY
} http_msg_type_t;
#define foreach_http_content_type \
_ (TEXT_HTML, "text/html") \
_ (TEXT_CSS, "text/css") \
_ (TEXT_JS, "text/javascript") \
_ (TEXT_JSON, "application/json")
typedef enum http_content_type_
{
#define _(s, str) HTTP_CONTENT_##s,
foreach_http_content_type
#undef _
} http_content_type_t;
#define foreach_http_status_code \
_ (200, OK, "200 OK") \
_ (400, BAD_REQUEST, "400 Bad Request") \
_ (405, METHOD_NOT_ALLOWED, "405 Method Not Allowed") \
_ (500, INTERNAL_ERROR, "500 Internal Server Error")
typedef enum http_status_code_
{
#define _(c, s, str) HTTP_STATUS_##s,
foreach_http_status_code
#undef _
HTTP_N_STATUS
} http_status_code_t;
typedef enum http_msg_data_type_
{
HTTP_MSG_DATA_INLINE,
HTTP_MSG_DATA_PTR
} http_msg_data_type_t;
typedef struct http_msg_data_
{
http_msg_data_type_t type;
u32 len;
u8 data[0];
} http_msg_data_t;
typedef struct http_msg_
{
http_msg_type_t type;
union
{
http_req_method_t method_type;
http_status_code_t code;
};
http_content_type_t content_type;
http_msg_data_t data;
} http_msg_t;
typedef struct http_tc_
{
union
{
transport_connection_t connection;
http_conn_id_t c_http_conn_id;
};
#define h_tc_session_handle c_http_conn_id.tc_session_handle
#define h_pa_wrk_index c_http_conn_id.parent_app_wrk_index
#define h_pa_session_handle c_http_conn_id.app_session_handle
#define h_hc_index connection.c_index
http_conn_state_t state;
u32 timer_handle;
/*
* Current request
*/
http_req_state_t req_state;
http_req_method_t method;
u8 *rx_buf;
u32 rx_buf_offset;
http_buffer_t tx_buf;
} http_conn_t;
typedef struct http_worker_
{
http_conn_t *conn_pool;
} http_worker_t;
typedef struct http_main_
{
http_worker_t *wrk;
http_conn_t *listener_ctx_pool;
u32 app_index;
clib_timebase_t timebase;
/*
* Runtime config
*/
u8 debug_level;
/*
* Config
*/
u64 first_seg_size;
u32 fifo_size;
} http_main_t;
#endif /* SRC_PLUGINS_HTTP_HTTP_H_ */
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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