1 /* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
3 * Libmemcached Scanner and Parser
5 * Copyright (C) 2011 DataDifferental, http://datadifferential.com
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
25 %output "libmemcached/options/parser.cc"
26 %defines "libmemcached/options/parser.h"
27 %lex-param { yyscan_t *scanner }
28 %name-prefix="config_"
29 %parse-param { Context *context }
30 %parse-param { yyscan_t *scanner }
42 #include <libmemcached/options/context.h>
43 #include <libmemcached/options/build.h>
44 #include <libmemcached/options/string.h>
45 #include <libmemcached/options/symbol.h>
46 #include <libmemcached/visibility.h>
47 #include <libmemcached/prefix_key.h>
49 #pragma GCC diagnostic ignored "-Wold-style-cast"
50 #include <libmemcached/options/scanner.h>
52 int conf_lex(YYSTYPE* lvalp, void* scanner);
54 #define parser_abort(A, B) do { parser::abort_func((A), (B)); YYABORT; } while (0)
56 inline void config_error(Context *context, yyscan_t *scanner, const char *error)
58 if (not context->end())
59 parser::abort_func(context, error);
62 int config_parse(Context*, yyscan_t *);
66 config_parse(this, scanner);
85 /* All behavior options */
86 %token AUTO_EJECT_HOSTS
87 %token BINARY_PROTOCOL
88 %token BUFFER_REQUESTS
90 %token CONNECT_TIMEOUT
94 %token HASH_WITH_PREFIX_KEY
95 %token IO_BYTES_WATERMARK
96 %token IO_KEY_PREFETCH
97 %token IO_MSG_WATERMARK
100 %token KETAMA_WEIGHTED
102 %token NUMBER_OF_REPLICAS
104 %token RANDOMIZE_REPLICA_READ
107 %token SERVER_FAILURE_LIMIT
109 %token SOCKET_RECV_SIZE
110 %token SOCKET_SEND_SIZE
114 %token _TCP_KEEPALIVE
140 %token <boolean> TRUE
141 %token <boolean> FALSE
146 %token <number> NUMBER
147 %token <number> FLOAT
148 %token <string> HOSTNAME
149 %token <string> HOSTNAME_WITH_PORT
150 %token <string> IPADDRESS
151 %token <string> IPADDRESS_WITH_PORT
152 %token <string> STRING
153 %token <string> QUOTED_STRING
154 %token <string> FILE_PATH
156 %type <server> server
157 %type <string> string
158 %type <distribution> distribution
160 %type <behavior> behavior_boolean
161 %type <behavior> behavior_number
167 | begin ' ' statement
184 context->rc= MEMCACHED_PARSE_USER_ERROR;
185 parser_abort(context, NULL);
189 memcached_reset(context->memc);
197 if ((context->rc= memcached_parse_configure_file(context->memc, $3.c_str, $3.length)) != MEMCACHED_SUCCESS)
199 parser_abort(context, NULL);
208 if ((context->rc= memcached_server_add_parsed(context->memc, $3.c_str, $3.length, $3.port, 0)) != MEMCACHED_SUCCESS)
210 parser_abort(context, NULL);
213 | SERVERS_OPTION '=' server_list
216 | CONFIGURE_FILE '=' string
218 memcached_set_configuration_file(context->memc, $3.c_str, $3.length);
224 PREFIX_KEY '=' string
226 if ((context->rc= memcached_set_prefix_key(context->memc, $3.c_str, $3.length)) != MEMCACHED_SUCCESS)
228 parser_abort(context, NULL);;
231 | DISTRIBUTION '=' distribution
233 if ((context->rc= memcached_behavior_set(context->memc, MEMCACHED_BEHAVIOR_DISTRIBUTION, $3)) != MEMCACHED_SUCCESS)
235 parser_abort(context, NULL);;
240 if ((context->rc= memcached_behavior_set(context->memc, MEMCACHED_BEHAVIOR_HASH, $3)) != MEMCACHED_SUCCESS)
242 parser_abort(context, NULL);;
245 | KETAMA_HASH '=' hash
247 if ((context->rc= memcached_behavior_set(context->memc, MEMCACHED_BEHAVIOR_KETAMA_HASH, $3)) != MEMCACHED_SUCCESS)
249 parser_abort(context, NULL);;
252 | behavior_number '=' NUMBER
254 if ((context->rc= memcached_behavior_set(context->memc, $1, $3)) != MEMCACHED_SUCCESS)
256 parser_abort(context, NULL);;
261 if ((context->rc= memcached_behavior_set(context->memc, $1, true)) != MEMCACHED_SUCCESS)
263 parser_abort(context, NULL);;
274 $$= MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT;
278 $$= MEMCACHED_BEHAVIOR_IO_MSG_WATERMARK;
282 $$= MEMCACHED_BEHAVIOR_IO_BYTES_WATERMARK;
286 $$= MEMCACHED_BEHAVIOR_IO_KEY_PREFETCH;
290 $$= MEMCACHED_BEHAVIOR_NUMBER_OF_REPLICAS;
294 $$= MEMCACHED_BEHAVIOR_POLL_TIMEOUT;
298 $$= MEMCACHED_BEHAVIOR_RCV_TIMEOUT;
302 $$= MEMCACHED_BEHAVIOR_RETRY_TIMEOUT;
304 | SERVER_FAILURE_LIMIT
306 $$= MEMCACHED_BEHAVIOR_SERVER_FAILURE_LIMIT;
310 $$= MEMCACHED_BEHAVIOR_SND_TIMEOUT;
314 $$= MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE;
318 $$= MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE;
325 $$= MEMCACHED_BEHAVIOR_AUTO_EJECT_HOSTS;
329 $$= MEMCACHED_BEHAVIOR_BINARY_PROTOCOL;
333 $$= MEMCACHED_BEHAVIOR_BUFFER_REQUESTS;
337 $$= MEMCACHED_BEHAVIOR_CACHE_LOOKUPS;
341 $$= MEMCACHED_BEHAVIOR_CORK;
343 | HASH_WITH_PREFIX_KEY
345 $$= MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY;
349 $$= MEMCACHED_BEHAVIOR_KETAMA;
353 $$= MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED;
357 $$= MEMCACHED_BEHAVIOR_NOREPLY;
359 | RANDOMIZE_REPLICA_READ
361 $$= MEMCACHED_BEHAVIOR_RANDOMIZE_REPLICA_READ;
365 $$= MEMCACHED_BEHAVIOR_SORT_HOSTS;
369 $$= MEMCACHED_BEHAVIOR_SUPPORT_CAS;
373 $$= MEMCACHED_BEHAVIOR_TCP_NODELAY;
377 $$= MEMCACHED_BEHAVIOR_TCP_KEEPALIVE;
381 $$= MEMCACHED_BEHAVIOR_TCP_KEEPIDLE;
385 $$= MEMCACHED_BEHAVIOR_USE_UDP;
389 $$= MEMCACHED_BEHAVIOR_VERIFY_KEY;
396 if ((context->rc= memcached_server_add_parsed(context->memc, $1.c_str, $1.length, $1.port, 0)) != MEMCACHED_SUCCESS)
398 parser_abort(context, NULL);;
401 | server_list ',' server
403 if ((context->rc= memcached_server_add_parsed(context->memc, $3.c_str, $3.length, $3.port, 0)) != MEMCACHED_SUCCESS)
405 parser_abort(context, NULL);;
411 HOSTNAME_WITH_PORT NUMBER
414 $$.length= $1.length -1; // -1 to remove :
420 $$.length= $1.length;
421 $$.port= MEMCACHED_DEFAULT_PORT;
423 | STRING /* a match can be against "localhost" which is just a string */
426 $$.length= $1.length;
427 $$.port= MEMCACHED_DEFAULT_PORT;
429 | IPADDRESS_WITH_PORT NUMBER
432 $$.length= $1.length -1; // -1 to remove :
438 $$.length= $1.length;
439 $$.port= MEMCACHED_DEFAULT_PORT;
446 $$= MEMCACHED_HASH_MD5;
450 $$= MEMCACHED_HASH_CRC;
454 $$= MEMCACHED_HASH_FNV1_64;
458 $$= MEMCACHED_HASH_FNV1A_64;
462 $$= MEMCACHED_HASH_FNV1_32;
466 $$= MEMCACHED_HASH_FNV1A_32;
470 $$= MEMCACHED_HASH_HSIEH;
474 $$= MEMCACHED_HASH_MURMUR;
478 $$= MEMCACHED_HASH_JENKINS;
489 $$.c_str= $1.c_str +1; // +1 to move use passed the initial quote
490 $$.length= $1.length -1; // -1 removes the end quote
497 $$= MEMCACHED_DISTRIBUTION_CONSISTENT;
501 $$= MEMCACHED_DISTRIBUTION_MODULA;
505 $$= MEMCACHED_DISTRIBUTION_RANDOM;