-
Notifications
You must be signed in to change notification settings - Fork 3.2k
/
Copy pathswoole_http2.h
209 lines (187 loc) · 8.38 KB
/
swoole_http2.h
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
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
/*
+----------------------------------------------------------------------+
| Swoole |
+----------------------------------------------------------------------+
| This source file is subject to version 2.0 of the Apache license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.apache.org/licenses/LICENSE-2.0.html |
| If you did not receive a copy of the Apache2.0 license and are unable|
| to obtain it through the world-wide-web, please send a note to |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Tianfeng Han <[email protected]> |
| Twosee <[email protected]> |
+----------------------------------------------------------------------+
*/
#pragma once
#include "swoole_protocol.h"
#define SW_HTTP2_PRI_STRING "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n"
enum swHttp2ErrorCode {
SW_HTTP2_ERROR_NO_ERROR = 0x0,
SW_HTTP2_ERROR_PROTOCOL_ERROR = 0x1,
SW_HTTP2_ERROR_INTERNAL_ERROR = 0x2,
SW_HTTP2_ERROR_FLOW_CONTROL_ERROR = 0x3,
SW_HTTP2_ERROR_SETTINGS_TIMEOUT = 0x4,
SW_HTTP2_ERROR_STREAM_CLOSED = 0x5,
SW_HTTP2_ERROR_FRAME_SIZE_ERROR = 0x6,
SW_HTTP2_ERROR_REFUSED_STREAM = 0x7,
SW_HTTP2_ERROR_CANCEL = 0x8,
SW_HTTP2_ERROR_COMPRESSION_ERROR = 0x9,
SW_HTTP2_ERROR_CONNECT_ERROR = 0xa,
SW_HTTP2_ERROR_ENHANCE_YOUR_CALM = 0xb,
SW_HTTP2_ERROR_INADEQUATE_SECURITY = 0xc,
SW_HTTP2_ERROR_HTTP_1_1_REQUIRED = 0xd,
};
enum swHttp2FrameType {
SW_HTTP2_TYPE_DATA = 0,
SW_HTTP2_TYPE_HEADERS = 1,
SW_HTTP2_TYPE_PRIORITY = 2,
SW_HTTP2_TYPE_RST_STREAM = 3,
SW_HTTP2_TYPE_SETTINGS = 4,
SW_HTTP2_TYPE_PUSH_PROMISE = 5,
SW_HTTP2_TYPE_PING = 6,
SW_HTTP2_TYPE_GOAWAY = 7,
SW_HTTP2_TYPE_WINDOW_UPDATE = 8,
SW_HTTP2_TYPE_CONTINUATION = 9,
};
enum swHttp2FrameFlag {
SW_HTTP2_FLAG_NONE = 0x00,
SW_HTTP2_FLAG_ACK = 0x01,
SW_HTTP2_FLAG_END_STREAM = 0x01,
SW_HTTP2_FLAG_END_HEADERS = 0x04,
SW_HTTP2_FLAG_PADDED = 0x08,
SW_HTTP2_FLAG_PRIORITY = 0x20,
};
enum swHttp2SettingId {
SW_HTTP2_SETTING_HEADER_TABLE_SIZE = 0x1,
SW_HTTP2_SETTINGS_ENABLE_PUSH = 0x2,
SW_HTTP2_SETTINGS_MAX_CONCURRENT_STREAMS = 0x3,
SW_HTTP2_SETTINGS_INIT_WINDOW_SIZE = 0x4,
SW_HTTP2_SETTINGS_MAX_FRAME_SIZE = 0x5,
SW_HTTP2_SETTINGS_MAX_HEADER_LIST_SIZE = 0x6,
};
enum swHttp2StreamFlag {
SW_HTTP2_STREAM_NORMAL = 0,
SW_HTTP2_STREAM_REQUEST_END = 1 << 0,
SW_HTTP2_STREAM_PIPELINE_REQUEST = 1 << 1,
SW_HTTP2_STREAM_PIPELINE_RESPONSE = 1 << 2,
SW_HTTP2_STREAM_USE_PIPELINE_READ = 1 << 3,
};
#define SW_HTTP2_FRAME_HEADER_SIZE 9
#define SW_HTTP2_SETTING_OPTION_SIZE 6
#define SW_HTTP2_SETTING_FRAME_SIZE (SW_HTTP2_FRAME_HEADER_SIZE + SW_HTTP2_SETTING_OPTION_SIZE * 6)
#define SW_HTTP2_FRAME_PING_PAYLOAD_SIZE 8
#define SW_HTTP2_RST_STREAM_SIZE 4
#define SW_HTTP2_PRIORITY_SIZE 5
#define SW_HTTP2_PING_SIZE 8
#define SW_HTTP2_RST_STREAM_SIZE 4
#define SW_HTTP2_GOAWAY_SIZE 8
#define SW_HTTP2_WINDOW_UPDATE_SIZE 4
#define SW_HTTP2_STREAM_ID_SIZE 4
#define SW_HTTP2_SETTINGS_PARAM_SIZE 6
#define swoole_http2_frame_trace_log(_trace_str, ...) \
swoole_trace_log(SW_TRACE_HTTP2, \
SW_ECHO_RED_BG " [" SW_ECHO_GREEN "] " \
"<length=%jd, flags=(%s), stream_id=%d> " _trace_str, \
" RECV ", \
swoole::http2::get_type(type), \
length, \
swoole::http2::get_flag_string(flags).c_str(), \
stream_id, \
##__VA_ARGS__)
#define swoole_http2_send_trace_log(_trace_str, ...) \
swoole_trace_log(SW_TRACE_HTTP2, SW_ECHO_GREEN_BG " " _trace_str, " SEND ", ##__VA_ARGS__)
#define swoole_http2_recv_trace_log(_trace_str, ...) \
swoole_trace_log(SW_TRACE_HTTP2, SW_ECHO_RED_BG " " _trace_str, " RECV ", ##__VA_ARGS__)
namespace swoole {
namespace http2 {
struct Settings {
uint32_t header_table_size;
uint32_t enable_push;
uint32_t max_concurrent_streams;
uint32_t init_window_size;
uint32_t max_frame_size;
uint32_t max_header_list_size;
};
/**
+-----------------------------------------------+
| Length (24) |
+---------------+---------------+---------------+
| Type (8) | Flags (8) |
+-+-------------+---------------+-------------------------------+
|R| Stream Identifier (31) |
+=+=============================================================+
| Frame Payload (0...) ...
+---------------------------------------------------------------+
*/
struct Frame {
uint32_t length : 24;
uint32_t type : 8;
uint32_t flags : 8;
uint32_t rsv1 : 1;
uint32_t identifier : 31;
char data[0];
};
static sw_inline ssize_t get_length(const char *buf) {
return (((uint8_t) buf[0]) << 16) + (((uint8_t) buf[1]) << 8) + (uint8_t) buf[2];
}
void put_default_setting(enum swHttp2SettingId id, uint32_t value);
uint32_t get_default_setting(enum swHttp2SettingId id);
size_t pack_setting_frame(char *buf, const Settings &settings, bool server_side);
ssize_t get_frame_length(const Protocol *protocol, network::Socket *conn, PacketLength *pl);
int send_setting_frame(Protocol *protocol, network::Socket *conn);
const char *get_type(int type);
int get_type_color(int type);
static sw_inline void init_settings(Settings *settings) {
settings->header_table_size = get_default_setting(SW_HTTP2_SETTING_HEADER_TABLE_SIZE);
settings->enable_push = get_default_setting(SW_HTTP2_SETTINGS_ENABLE_PUSH);
settings->max_concurrent_streams = get_default_setting(SW_HTTP2_SETTINGS_MAX_CONCURRENT_STREAMS);
settings->init_window_size = get_default_setting(SW_HTTP2_SETTINGS_INIT_WINDOW_SIZE);
settings->max_frame_size = get_default_setting(SW_HTTP2_SETTINGS_MAX_FRAME_SIZE);
settings->max_header_list_size = get_default_setting(SW_HTTP2_SETTINGS_MAX_HEADER_LIST_SIZE);
}
static inline const std::string get_flag_string(int __flags) {
std::string str;
if (__flags & SW_HTTP2_FLAG_ACK) {
str.append("ACK|");
}
if (__flags & SW_HTTP2_FLAG_END_STREAM) {
str.append("END_STREAM|");
}
if (__flags & SW_HTTP2_FLAG_END_HEADERS) {
str.append("END_HEADERS|");
}
if (__flags & SW_HTTP2_FLAG_PADDED) {
str.append("PADDED|");
}
if (__flags & SW_HTTP2_FLAG_PRIORITY) {
str.append("PRIORITY|");
}
if (str.back() == '|') {
return str.substr(0, str.length() - 1);
} else {
return "none";
}
}
/**
+-----------------------------------------------+
| Length (24) |
+---------------+---------------+---------------+
| Type (8) | Flags (8) |
+-+-------------+---------------+-------------------------------+
|R| Stream Identifier (31) |
+=+=============================================================+
| Frame Payload (0...) ...
+---------------------------------------------------------------+
*/
static sw_inline void set_frame_header(char *buffer, uint8_t type, uint32_t length, uint8_t flags, uint32_t stream_id) {
buffer[0] = length >> 16;
buffer[1] = length >> 8;
buffer[2] = length;
buffer[3] = type;
buffer[4] = flags;
*(uint32_t *) (buffer + 5) = htonl(stream_id);
}
} // namespace http2
} // namespace swoole