Annotation of embedaddon/php/sapi/cli/php_http_parser.h, revision 1.1.1.1
1.1 misho 1: /* Copyright 2009,2010 Ryan Dahl <ry@tinyclouds.org>
2: *
3: * Permission is hereby granted, free of charge, to any person obtaining a copy
4: * of this software and associated documentation files (the "Software"), to
5: * deal in the Software without restriction, including without limitation the
6: * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
7: * sell copies of the Software, and to permit persons to whom the Software is
8: * furnished to do so, subject to the following conditions:
9: *
10: * The above copyright notice and this permission notice shall be included in
11: * all copies or substantial portions of the Software.
12: *
13: * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14: * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15: * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16: * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17: * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
18: * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
19: * IN THE SOFTWARE.
20: */
21: /* modified by Moriyoshi Koizumi <moriyoshi@php.net> to make it fit to PHP source tree. */
22: #ifndef php_http_parser_h
23: #define php_http_parser_h
24: #ifdef __cplusplus
25: extern "C" {
26: #endif
27:
28:
29: #include <sys/types.h>
30: #if defined(_WIN32) && !defined(__MINGW32__)
31: # include <windows.h>
32: # include "win32/php_stdint.h"
33: # include "config.w32.h"
34: #else
35: # include <stdint.h>
36: #endif
37:
38: /* Compile with -DPHP_HTTP_PARSER_STRICT=0 to make less checks, but run
39: * faster
40: */
41: #ifndef PHP_HTTP_PARSER_STRICT
42: # define PHP_HTTP_PARSER_STRICT 1
43: #else
44: # define PHP_HTTP_PARSER_STRICT 0
45: #endif
46:
47:
48: /* Maximium header size allowed */
49: #define PHP_HTTP_MAX_HEADER_SIZE (80*1024)
50:
51:
52: typedef struct php_http_parser php_http_parser;
53: typedef struct php_http_parser_settings php_http_parser_settings;
54:
55:
56: /* Callbacks should return non-zero to indicate an error. The parser will
57: * then halt execution.
58: *
59: * The one exception is on_headers_complete. In a PHP_HTTP_RESPONSE parser
60: * returning '1' from on_headers_complete will tell the parser that it
61: * should not expect a body. This is used when receiving a response to a
62: * HEAD request which may contain 'Content-Length' or 'Transfer-Encoding:
63: * chunked' headers that indicate the presence of a body.
64: *
65: * http_data_cb does not return data chunks. It will be call arbitrarally
66: * many times for each string. E.G. you might get 10 callbacks for "on_path"
67: * each providing just a few characters more data.
68: */
69: typedef int (*php_http_data_cb) (php_http_parser*, const char *at, size_t length);
70: typedef int (*php_http_cb) (php_http_parser*);
71:
72:
73: /* Request Methods */
74: enum php_http_method
75: { PHP_HTTP_DELETE = 0
76: , PHP_HTTP_GET
77: , PHP_HTTP_HEAD
78: , PHP_HTTP_POST
79: , PHP_HTTP_PUT
80: /* pathological */
81: , PHP_HTTP_CONNECT
82: , PHP_HTTP_OPTIONS
83: , PHP_HTTP_TRACE
84: /* webdav */
85: , PHP_HTTP_COPY
86: , PHP_HTTP_LOCK
87: , PHP_HTTP_MKCOL
88: , PHP_HTTP_MOVE
89: , PHP_HTTP_PROPFIND
90: , PHP_HTTP_PROPPATCH
91: , PHP_HTTP_UNLOCK
92: /* subversion */
93: , PHP_HTTP_REPORT
94: , PHP_HTTP_MKACTIVITY
95: , PHP_HTTP_CHECKOUT
96: , PHP_HTTP_MERGE
97: /* upnp */
98: , PHP_HTTP_MSEARCH
99: , PHP_HTTP_NOTIFY
100: , PHP_HTTP_SUBSCRIBE
101: , PHP_HTTP_UNSUBSCRIBE
102: };
103:
104:
105: enum php_http_parser_type { PHP_HTTP_REQUEST, PHP_HTTP_RESPONSE, PHP_HTTP_BOTH };
106:
107:
108: struct php_http_parser {
109: /** PRIVATE **/
110: unsigned char type : 2;
111: unsigned char flags : 6;
112: unsigned char state;
113: unsigned char header_state;
114: unsigned char index;
115:
116: uint32_t nread;
117: ssize_t content_length;
118:
119: /** READ-ONLY **/
120: unsigned short http_major;
121: unsigned short http_minor;
122: unsigned short status_code; /* responses only */
123: unsigned char method; /* requests only */
124:
125: /* 1 = Upgrade header was present and the parser has exited because of that.
126: * 0 = No upgrade header present.
127: * Should be checked when http_parser_execute() returns in addition to
128: * error checking.
129: */
130: char upgrade;
131:
132: /** PUBLIC **/
133: void *data; /* A pointer to get hook to the "connection" or "socket" object */
134: };
135:
136:
137: struct php_http_parser_settings {
138: php_http_cb on_message_begin;
139: php_http_data_cb on_path;
140: php_http_data_cb on_query_string;
141: php_http_data_cb on_url;
142: php_http_data_cb on_fragment;
143: php_http_data_cb on_header_field;
144: php_http_data_cb on_header_value;
145: php_http_cb on_headers_complete;
146: php_http_data_cb on_body;
147: php_http_cb on_message_complete;
148: };
149:
150:
151: void php_http_parser_init(php_http_parser *parser, enum php_http_parser_type type);
152:
153:
154: size_t php_http_parser_execute(php_http_parser *parser,
155: const php_http_parser_settings *settings,
156: const char *data,
157: size_t len);
158:
159:
160: /* If php_http_should_keep_alive() in the on_headers_complete or
161: * on_message_complete callback returns true, then this will be should be
162: * the last message on the connection.
163: * If you are the server, respond with the "Connection: close" header.
164: * If you are the client, close the connection.
165: */
166: int php_http_should_keep_alive(php_http_parser *parser);
167:
168: /* Returns a string version of the HTTP method. */
169: const char *php_http_method_str(enum php_http_method);
170:
171: #ifdef __cplusplus
172: }
173: #endif
174: #endif
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