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);
78 /* All behavior options */
79 %token AUTO_EJECT_HOSTS
80 %token BINARY_PROTOCOL
81 %token BUFFER_REQUESTS
83 %token CONNECT_TIMEOUT
86 %token HASH_WITH_PREFIX_KEY
87 %token IO_BYTES_WATERMARK
88 %token IO_KEY_PREFETCH
89 %token IO_MSG_WATERMARK
91 %token KETAMA_WEIGHTED
93 %token NUMBER_OF_REPLICAS
95 %token RANDOMIZE_REPLICA_READ
98 %token SERVER_FAILURE_LIMIT
100 %token SOCKET_RECV_SIZE
101 %token SOCKET_SEND_SIZE
105 %token _TCP_KEEPALIVE
131 %token <boolean> TRUE
132 %token <boolean> FALSE
137 %token <number> NUMBER
138 %token <number> FLOAT
139 %token <string> HOSTNAME
140 %token <string> HOSTNAME_WITH_PORT
141 %token <string> IPADDRESS
142 %token <string> IPADDRESS_WITH_PORT
143 %token <string> STRING
144 %token <string> QUOTED_STRING
145 %token <string> FILE_PATH
147 %type <server> server
148 %type <string> string
149 %type <distribution> distribution
151 %type <behavior> behavior_boolean
152 %type <behavior> behavior_number
158 | begin ' ' statement
175 context->rc= MEMCACHED_PARSE_USER_ERROR;
176 parser_abort(context, NULL);
180 memcached_reset(context->memc);
188 if ((context->rc= memcached_parse_configure_file(context->memc, $3.c_str, $3.length)) != MEMCACHED_SUCCESS)
190 parser_abort(context, NULL);
199 if ((context->rc= memcached_server_add_parsed(context->memc, $2.c_str, $2.length, $2.port, 0)) != MEMCACHED_SUCCESS)
201 parser_abort(context, NULL);
204 | SERVERS_OPTION server_list
207 | CONFIGURE_FILE string
209 memcached_set_configuration_file(context->memc, $2.c_str, $2.length);
217 if ((context->rc= memcached_set_prefix_key(context->memc, $2.c_str, $2.length)) != MEMCACHED_SUCCESS)
219 parser_abort(context, NULL);;
222 | DISTRIBUTION distribution
224 if ((context->rc= memcached_behavior_set(context->memc, MEMCACHED_BEHAVIOR_DISTRIBUTION, $2)) != MEMCACHED_SUCCESS)
226 parser_abort(context, NULL);;
229 | DISTRIBUTION distribution ',' hash
231 if ((context->rc= memcached_behavior_set(context->memc, MEMCACHED_BEHAVIOR_DISTRIBUTION, $2)) != MEMCACHED_SUCCESS)
233 parser_abort(context, NULL);;
235 if ((context->rc= memcached_behavior_set_distribution_hash(context->memc, $4)) != MEMCACHED_SUCCESS)
237 parser_abort(context, NULL);;
242 if ((context->rc= memcached_behavior_set(context->memc, MEMCACHED_BEHAVIOR_HASH, $2)) != MEMCACHED_SUCCESS)
244 parser_abort(context, NULL);;
247 | behavior_number NUMBER
249 if ((context->rc= memcached_behavior_set(context->memc, $1, $2)) != MEMCACHED_SUCCESS)
251 parser_abort(context, NULL);;
256 if ((context->rc= memcached_behavior_set(context->memc, $1, true)) != MEMCACHED_SUCCESS)
258 parser_abort(context, NULL);;
269 $$= MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT;
273 $$= MEMCACHED_BEHAVIOR_IO_MSG_WATERMARK;
277 $$= MEMCACHED_BEHAVIOR_IO_BYTES_WATERMARK;
281 $$= MEMCACHED_BEHAVIOR_IO_KEY_PREFETCH;
285 $$= MEMCACHED_BEHAVIOR_NUMBER_OF_REPLICAS;
289 $$= MEMCACHED_BEHAVIOR_POLL_TIMEOUT;
293 $$= MEMCACHED_BEHAVIOR_RCV_TIMEOUT;
297 $$= MEMCACHED_BEHAVIOR_RETRY_TIMEOUT;
299 | SERVER_FAILURE_LIMIT
301 $$= MEMCACHED_BEHAVIOR_SERVER_FAILURE_LIMIT;
305 $$= MEMCACHED_BEHAVIOR_SND_TIMEOUT;
309 $$= MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE;
313 $$= MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE;
320 $$= MEMCACHED_BEHAVIOR_AUTO_EJECT_HOSTS;
324 $$= MEMCACHED_BEHAVIOR_BINARY_PROTOCOL;
328 $$= MEMCACHED_BEHAVIOR_BUFFER_REQUESTS;
332 $$= MEMCACHED_BEHAVIOR_CACHE_LOOKUPS;
334 | HASH_WITH_PREFIX_KEY
336 $$= MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY;
340 $$= MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED;
344 $$= MEMCACHED_BEHAVIOR_NOREPLY;
346 | RANDOMIZE_REPLICA_READ
348 $$= MEMCACHED_BEHAVIOR_RANDOMIZE_REPLICA_READ;
352 $$= MEMCACHED_BEHAVIOR_SORT_HOSTS;
356 $$= MEMCACHED_BEHAVIOR_SUPPORT_CAS;
360 $$= MEMCACHED_BEHAVIOR_TCP_NODELAY;
364 $$= MEMCACHED_BEHAVIOR_TCP_KEEPALIVE;
368 $$= MEMCACHED_BEHAVIOR_TCP_KEEPIDLE;
372 $$= MEMCACHED_BEHAVIOR_USE_UDP;
376 $$= MEMCACHED_BEHAVIOR_VERIFY_KEY;
383 if ((context->rc= memcached_server_add_parsed(context->memc, $1.c_str, $1.length, $1.port, 0)) != MEMCACHED_SUCCESS)
385 parser_abort(context, NULL);;
388 | server_list ',' server
390 if ((context->rc= memcached_server_add_parsed(context->memc, $3.c_str, $3.length, $3.port, 0)) != MEMCACHED_SUCCESS)
392 parser_abort(context, NULL);;
398 HOSTNAME_WITH_PORT NUMBER
401 $$.length= $1.length -1; // -1 to remove :
407 $$.length= $1.length;
408 $$.port= MEMCACHED_DEFAULT_PORT;
410 | STRING /* a match can be against "localhost" which is just a string */
413 $$.length= $1.length;
414 $$.port= MEMCACHED_DEFAULT_PORT;
416 | IPADDRESS_WITH_PORT NUMBER
419 $$.length= $1.length -1; // -1 to remove :
425 $$.length= $1.length;
426 $$.port= MEMCACHED_DEFAULT_PORT;
433 $$= MEMCACHED_HASH_MD5;
437 $$= MEMCACHED_HASH_CRC;
441 $$= MEMCACHED_HASH_FNV1_64;
445 $$= MEMCACHED_HASH_FNV1A_64;
449 $$= MEMCACHED_HASH_FNV1_32;
453 $$= MEMCACHED_HASH_FNV1A_32;
457 $$= MEMCACHED_HASH_HSIEH;
461 $$= MEMCACHED_HASH_MURMUR;
465 $$= MEMCACHED_HASH_JENKINS;
476 $$.c_str= $1.c_str +1; // +1 to move use passed the initial quote
477 $$.length= $1.length -1; // -1 removes the end quote
484 $$= MEMCACHED_DISTRIBUTION_CONSISTENT;
488 $$= MEMCACHED_DISTRIBUTION_MODULA;
492 $$= MEMCACHED_DISTRIBUTION_RANDOM;
498 void Context::start()
500 config_parse(this, (void **)scanner);