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28 * Summary: Constants used by to implement the binary protocol.
30 * Copy: See Copyright for the status of this software.
32 * Author: Trond Norbye <trond.norbye@sun.com>
35 #ifndef PROTOCOL_BINARY_H
36 #define PROTOCOL_BINARY_H
41 * This file contains definitions of the constants and packet formats
42 * defined in the binary specification. Please note that you _MUST_ remember
43 * to convert each multibyte field to / from network byte order to / from
52 * Definition of the legal "magic" values used in a packet.
53 * See section 3.1 Magic byte
56 PROTOCOL_BINARY_REQ
= 0x80,
57 PROTOCOL_BINARY_RES
= 0x81
58 } protocol_binary_magic
;
61 * Definition of the valid response status numbers.
62 * See section 3.2 Response Status
65 PROTOCOL_BINARY_RESPONSE_SUCCESS
= 0x00,
66 PROTOCOL_BINARY_RESPONSE_KEY_ENOENT
= 0x01,
67 PROTOCOL_BINARY_RESPONSE_KEY_EEXISTS
= 0x02,
68 PROTOCOL_BINARY_RESPONSE_E2BIG
= 0x03,
69 PROTOCOL_BINARY_RESPONSE_EINVAL
= 0x04,
70 PROTOCOL_BINARY_RESPONSE_NOT_STORED
= 0x05,
71 PROTOCOL_BINARY_RESPONSE_UNKNOWN_COMMAND
= 0x81,
72 PROTOCOL_BINARY_RESPONSE_ENOMEM
= 0x82,
75 PROTOCOL_BINARY_RESPONSE_EIO
= 0xff
76 } protocol_binary_response_status
;
79 * Defintion of the different command opcodes.
80 * See section 3.3 Command Opcodes
83 PROTOCOL_BINARY_CMD_GET
= 0x00,
84 PROTOCOL_BINARY_CMD_SET
= 0x01,
85 PROTOCOL_BINARY_CMD_ADD
= 0x02,
86 PROTOCOL_BINARY_CMD_REPLACE
= 0x03,
87 PROTOCOL_BINARY_CMD_DELETE
= 0x04,
88 PROTOCOL_BINARY_CMD_INCREMENT
= 0x05,
89 PROTOCOL_BINARY_CMD_DECREMENT
= 0x06,
90 PROTOCOL_BINARY_CMD_QUIT
= 0x07,
91 PROTOCOL_BINARY_CMD_FLUSH
= 0x08,
92 PROTOCOL_BINARY_CMD_GETQ
= 0x09,
93 PROTOCOL_BINARY_CMD_NOOP
= 0x0a,
94 PROTOCOL_BINARY_CMD_VERSION
= 0x0b,
95 PROTOCOL_BINARY_CMD_GETK
= 0x0c,
96 PROTOCOL_BINARY_CMD_GETKQ
= 0x0d,
97 PROTOCOL_BINARY_CMD_APPEND
= 0x0e,
98 PROTOCOL_BINARY_CMD_PREPEND
= 0x0f,
99 PROTOCOL_BINARY_CMD_STAT
= 0x10,
100 PROTOCOL_BINARY_CMD_SETQ
= 0x11,
101 PROTOCOL_BINARY_CMD_ADDQ
= 0x12,
102 PROTOCOL_BINARY_CMD_REPLACEQ
= 0x13,
103 PROTOCOL_BINARY_CMD_DELETEQ
= 0x14,
104 PROTOCOL_BINARY_CMD_INCREMENTQ
= 0x15,
105 PROTOCOL_BINARY_CMD_DECREMENTQ
= 0x16,
106 PROTOCOL_BINARY_CMD_QUITQ
= 0x17,
107 PROTOCOL_BINARY_CMD_FLUSHQ
= 0x18,
108 PROTOCOL_BINARY_CMD_APPENDQ
= 0x19,
109 PROTOCOL_BINARY_CMD_PREPENDQ
= 0x1a
110 } protocol_binary_command
;
113 * Definition of the data types in the packet
114 * See section 3.4 Data Types
117 PROTOCOL_BINARY_RAW_BYTES
= 0x00
118 } protocol_binary_datatypes
;
121 * Definition of the header structure for a request packet.
137 } protocol_binary_request_header
;
140 * Definition of the header structure for a response packet.
156 } protocol_binary_response_header
;
159 * Definition of a request-packet containing no extras
163 protocol_binary_request_header header
;
165 uint8_t bytes
[sizeof(protocol_binary_request_header
)];
166 } protocol_binary_request_no_extras
;
169 * Definition of a response-packet containing no extras
173 protocol_binary_response_header header
;
175 uint8_t bytes
[sizeof(protocol_binary_response_header
)];
176 } protocol_binary_response_no_extras
;
179 * Definition of the packet used by the get, getq, getk and getkq command.
182 typedef protocol_binary_request_no_extras protocol_binary_request_get
;
183 typedef protocol_binary_request_no_extras protocol_binary_request_getq
;
184 typedef protocol_binary_request_no_extras protocol_binary_request_getk
;
185 typedef protocol_binary_request_no_extras protocol_binary_request_getkq
;
188 * Definition of the packet returned from a successful get, getq, getk and
194 protocol_binary_response_header header
;
199 uint8_t bytes
[sizeof(protocol_binary_response_header
) + 4];
200 } protocol_binary_response_get
;
202 typedef protocol_binary_response_get protocol_binary_response_getq
;
203 typedef protocol_binary_response_get protocol_binary_response_getk
;
204 typedef protocol_binary_response_get protocol_binary_response_getkq
;
207 * Definition of the packet used by the delete command
210 typedef protocol_binary_request_no_extras protocol_binary_request_delete
;
213 * Definition of the packet returned by the delete command
216 typedef protocol_binary_response_no_extras protocol_binary_response_delete
;
219 * Definition of the packet used by the flush command
221 * Please note that the expiration field is optional, so remember to see
222 * check the header.bodysize to see if it is present.
226 protocol_binary_request_header header
;
231 uint8_t bytes
[sizeof(protocol_binary_request_header
) + 4];
232 } protocol_binary_request_flush
;
235 * Definition of the packet returned by the flush command
238 typedef protocol_binary_response_no_extras protocol_binary_response_flush
;
241 * Definition of the packet used by set, add and replace
246 protocol_binary_request_header header
;
252 uint8_t bytes
[sizeof(protocol_binary_request_header
) + 8];
253 } protocol_binary_request_set
;
254 typedef protocol_binary_request_set protocol_binary_request_add
;
255 typedef protocol_binary_request_set protocol_binary_request_replace
;
258 * Definition of the packet returned by set, add and replace
261 typedef protocol_binary_response_no_extras protocol_binary_response_set
;
262 typedef protocol_binary_response_no_extras protocol_binary_response_add
;
263 typedef protocol_binary_response_no_extras protocol_binary_response_replace
;
266 * Definition of the noop packet
269 typedef protocol_binary_request_no_extras protocol_binary_request_noop
;
272 * Definition of the packet returned by the noop command
275 typedef protocol_binary_response_no_extras protocol_binary_response_noop
;
278 * Definition of the structure used by the increment and decrement
284 protocol_binary_request_header header
;
291 uint8_t bytes
[sizeof(protocol_binary_request_header
) + 20];
292 } protocol_binary_request_incr
;
293 typedef protocol_binary_request_incr protocol_binary_request_decr
;
296 * Definition of the response from an incr or decr command
302 protocol_binary_response_header header
;
307 uint8_t bytes
[sizeof(protocol_binary_response_header
) + 8];
308 } protocol_binary_response_incr
;
309 typedef protocol_binary_response_incr protocol_binary_response_decr
;
312 * Definition of the quit
315 typedef protocol_binary_request_no_extras protocol_binary_request_quit
;
318 * Definition of the packet returned by the quit command
321 typedef protocol_binary_response_no_extras protocol_binary_response_quit
;
324 * Definition of the packet used by append and prepend command
327 typedef protocol_binary_request_no_extras protocol_binary_request_append
;
328 typedef protocol_binary_request_no_extras protocol_binary_request_prepend
;
331 * Definition of the packet returned from a successful append or prepend
334 typedef protocol_binary_response_no_extras protocol_binary_response_append
;
335 typedef protocol_binary_response_no_extras protocol_binary_response_prepend
;
338 * Definition of the packet used by the version command
341 typedef protocol_binary_request_no_extras protocol_binary_request_version
;
344 * Definition of the packet returned from a successful version command
347 typedef protocol_binary_response_no_extras protocol_binary_response_version
;
351 * Definition of the packet used by the stats command.
354 typedef protocol_binary_request_no_extras protocol_binary_request_stats
;
357 * Definition of the packet returned from a successful stats command
360 typedef protocol_binary_response_no_extras protocol_binary_response_stats
;
364 #endif /* PROTOCOL_BINARY_H */