1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
|
/*
* 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>
#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 struct http_msg_data_
{
http_content_type_t content_type;
u32 len;
u32 offset;
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_msg_data_t data;
} http_msg_t;
typedef struct http_buffer_
{
svm_fifo_t *src;
svm_fifo_seg_t *segs;
u32 len;
u32 cur_seg;
u32 offset;
} http_buffer_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:
*/
|
