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
93 %token HASH_WITH_PREFIX_KEY
94 %token IO_BYTES_WATERMARK
95 %token IO_KEY_PREFETCH
96 %token IO_MSG_WATERMARK
98 %token KETAMA_WEIGHTED
100 %token NUMBER_OF_REPLICAS
102 %token RANDOMIZE_REPLICA_READ
105 %token SERVER_FAILURE_LIMIT
107 %token SOCKET_RECV_SIZE
108 %token SOCKET_SEND_SIZE
112 %token _TCP_KEEPALIVE
138 %token <boolean> TRUE
139 %token <boolean> FALSE
144 %token <number> NUMBER
145 %token <number> FLOAT
146 %token <string> HOSTNAME
147 %token <string> HOSTNAME_WITH_PORT
148 %token <string> IPADDRESS
149 %token <string> IPADDRESS_WITH_PORT
150 %token <string> STRING
151 %token <string> QUOTED_STRING
152 %token <string> FILE_PATH
154 %type <server> server
155 %type <string> string
156 %type <distribution> distribution
158 %type <behavior> behavior_boolean
159 %type <behavior> behavior_number
165 | begin ' ' statement
182 context->rc= MEMCACHED_PARSE_USER_ERROR;
183 parser_abort(context, NULL);
187 memcached_reset(context->memc);
195 if ((context->rc= memcached_parse_configure_file(context->memc, $3.c_str, $3.length)) != MEMCACHED_SUCCESS)
197 parser_abort(context, NULL);
206 if ((context->rc= memcached_server_add_parsed(context->memc, $2.c_str, $2.length, $2.port, 0)) != MEMCACHED_SUCCESS)
208 parser_abort(context, NULL);
211 | SERVERS_OPTION server_list
214 | CONFIGURE_FILE string
216 memcached_set_configuration_file(context->memc, $2.c_str, $2.length);
224 if ((context->rc= memcached_set_prefix_key(context->memc, $2.c_str, $2.length)) != MEMCACHED_SUCCESS)
226 parser_abort(context, NULL);;
229 | DISTRIBUTION distribution
231 if ((context->rc= memcached_behavior_set(context->memc, MEMCACHED_BEHAVIOR_DISTRIBUTION, $2)) != MEMCACHED_SUCCESS)
233 parser_abort(context, NULL);;
236 | DISTRIBUTION distribution ',' hash
238 if ((context->rc= memcached_behavior_set(context->memc, MEMCACHED_BEHAVIOR_DISTRIBUTION, $2)) != MEMCACHED_SUCCESS)
240 parser_abort(context, NULL);;
242 if ((context->rc= memcached_behavior_set_distribution_hash(context->memc, $4)) != MEMCACHED_SUCCESS)
244 parser_abort(context, NULL);;
249 if ((context->rc= memcached_behavior_set(context->memc, MEMCACHED_BEHAVIOR_HASH, $2)) != MEMCACHED_SUCCESS)
251 parser_abort(context, NULL);;
254 | behavior_number NUMBER
256 if ((context->rc= memcached_behavior_set(context->memc, $1, $2)) != MEMCACHED_SUCCESS)
258 parser_abort(context, NULL);;
263 if ((context->rc= memcached_behavior_set(context->memc, $1, true)) != MEMCACHED_SUCCESS)
265 parser_abort(context, NULL);;
276 $$= MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT;
280 $$= MEMCACHED_BEHAVIOR_IO_MSG_WATERMARK;
284 $$= MEMCACHED_BEHAVIOR_IO_BYTES_WATERMARK;
288 $$= MEMCACHED_BEHAVIOR_IO_KEY_PREFETCH;
292 $$= MEMCACHED_BEHAVIOR_NUMBER_OF_REPLICAS;
296 $$= MEMCACHED_BEHAVIOR_POLL_TIMEOUT;
300 $$= MEMCACHED_BEHAVIOR_RCV_TIMEOUT;
304 $$= MEMCACHED_BEHAVIOR_RETRY_TIMEOUT;
306 | SERVER_FAILURE_LIMIT
308 $$= MEMCACHED_BEHAVIOR_SERVER_FAILURE_LIMIT;
312 $$= MEMCACHED_BEHAVIOR_SND_TIMEOUT;
316 $$= MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE;
320 $$= MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE;
327 $$= MEMCACHED_BEHAVIOR_AUTO_EJECT_HOSTS;
331 $$= MEMCACHED_BEHAVIOR_BINARY_PROTOCOL;
335 $$= MEMCACHED_BEHAVIOR_BUFFER_REQUESTS;
339 $$= MEMCACHED_BEHAVIOR_CACHE_LOOKUPS;
341 | HASH_WITH_PREFIX_KEY
343 $$= MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY;
347 $$= MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED;
351 $$= MEMCACHED_BEHAVIOR_NOREPLY;
353 | RANDOMIZE_REPLICA_READ
355 $$= MEMCACHED_BEHAVIOR_RANDOMIZE_REPLICA_READ;
359 $$= MEMCACHED_BEHAVIOR_SORT_HOSTS;
363 $$= MEMCACHED_BEHAVIOR_SUPPORT_CAS;
367 $$= MEMCACHED_BEHAVIOR_TCP_NODELAY;
371 $$= MEMCACHED_BEHAVIOR_TCP_KEEPALIVE;
375 $$= MEMCACHED_BEHAVIOR_TCP_KEEPIDLE;
379 $$= MEMCACHED_BEHAVIOR_USE_UDP;
383 $$= MEMCACHED_BEHAVIOR_VERIFY_KEY;
390 if ((context->rc= memcached_server_add_parsed(context->memc, $1.c_str, $1.length, $1.port, 0)) != MEMCACHED_SUCCESS)
392 parser_abort(context, NULL);;
395 | server_list ',' server
397 if ((context->rc= memcached_server_add_parsed(context->memc, $3.c_str, $3.length, $3.port, 0)) != MEMCACHED_SUCCESS)
399 parser_abort(context, NULL);;
405 HOSTNAME_WITH_PORT NUMBER
408 $$.length= $1.length -1; // -1 to remove :
414 $$.length= $1.length;
415 $$.port= MEMCACHED_DEFAULT_PORT;
417 | STRING /* a match can be against "localhost" which is just a string */
420 $$.length= $1.length;
421 $$.port= MEMCACHED_DEFAULT_PORT;
423 | IPADDRESS_WITH_PORT NUMBER
426 $$.length= $1.length -1; // -1 to remove :
432 $$.length= $1.length;
433 $$.port= MEMCACHED_DEFAULT_PORT;
440 $$= MEMCACHED_HASH_MD5;
444 $$= MEMCACHED_HASH_CRC;
448 $$= MEMCACHED_HASH_FNV1_64;
452 $$= MEMCACHED_HASH_FNV1A_64;
456 $$= MEMCACHED_HASH_FNV1_32;
460 $$= MEMCACHED_HASH_FNV1A_32;
464 $$= MEMCACHED_HASH_HSIEH;
468 $$= MEMCACHED_HASH_MURMUR;
472 $$= MEMCACHED_HASH_JENKINS;
483 $$.c_str= $1.c_str +1; // +1 to move use passed the initial quote
484 $$.length= $1.length -1; // -1 removes the end quote
491 $$= MEMCACHED_DISTRIBUTION_CONSISTENT;
495 $$= MEMCACHED_DISTRIBUTION_MODULA;
499 $$= MEMCACHED_DISTRIBUTION_RANDOM;