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/string.h>
44 #include <libmemcached/options/symbol.h>
45 #include <libmemcached/visibility.h>
46 #include <libmemcached/prefix_key.h>
48 #pragma GCC diagnostic ignored "-Wold-style-cast"
49 #include <libmemcached/options/scanner.h>
51 int conf_lex(YYSTYPE* lvalp, void* scanner);
53 #define parser_abort(A, B) do { (A)->abort((B)); YYABORT; } while (0)
55 inline void config_error(Context *context, yyscan_t *scanner, const char *error)
57 if (not context->end())
58 context->abort(error);
77 /* All behavior options */
78 %token BINARY_PROTOCOL
79 %token BUFFER_REQUESTS
80 %token CONNECT_TIMEOUT
83 %token HASH_WITH_NAMESPACE
84 %token IO_BYTES_WATERMARK
85 %token IO_KEY_PREFETCH
86 %token IO_MSG_WATERMARK
88 %token KETAMA_WEIGHTED
90 %token NUMBER_OF_REPLICAS
92 %token RANDOMIZE_REPLICA_READ
94 %token REMOVE_FAILED_SERVERS
97 %token SOCKET_RECV_SIZE
98 %token SOCKET_SEND_SIZE
104 %token _TCP_KEEPALIVE
128 %token <boolean> TRUE
129 %token <boolean> FALSE
134 %token <number> FLOAT
135 %token <number> NUMBER
138 %token <server> IPADDRESS
139 %token <server> HOSTNAME
140 %token <string> STRING
141 %token <string> QUOTED_STRING
142 %token <string> FILE_PATH
144 %type <string> string
145 %type <distribution> distribution
147 %type <behavior> behavior_boolean
148 %type <behavior> behavior_number
154 | begin ' ' statement
171 context->rc= MEMCACHED_PARSE_USER_ERROR;
172 parser_abort(context, NULL);
176 memcached_reset(context->memc);
184 if ((context->rc= memcached_parse_configure_file(context->memc, $3.c_str, $3.length)) != MEMCACHED_SUCCESS)
186 parser_abort(context, NULL);
193 SERVER HOSTNAME optional_port optional_weight
195 if ((context->rc= memcached_server_add_with_weight(context->memc, $2.c_str, $2.port, $2.weight)) != MEMCACHED_SUCCESS)
197 parser_abort(context, NULL);
199 context->unset_server();
201 | SERVER IPADDRESS optional_port optional_weight
203 if ((context->rc= memcached_server_add_with_weight(context->memc, $2.c_str, $2.port, $2.weight)) != MEMCACHED_SUCCESS)
205 parser_abort(context, NULL);
207 context->unset_server();
209 | CONFIGURE_FILE string
211 memcached_set_configuration_file(context->memc, $2.c_str, $2.length);
219 if ((context->rc= memcached_set_prefix_key(context->memc, $2.c_str, $2.length)) != MEMCACHED_SUCCESS)
221 parser_abort(context, NULL);;
224 | DISTRIBUTION distribution
226 if ((context->rc= memcached_behavior_set(context->memc, MEMCACHED_BEHAVIOR_DISTRIBUTION, $2)) != MEMCACHED_SUCCESS)
228 parser_abort(context, NULL);;
231 | DISTRIBUTION distribution ',' hash
233 if ((context->rc= memcached_behavior_set(context->memc, MEMCACHED_BEHAVIOR_DISTRIBUTION, $2)) != MEMCACHED_SUCCESS)
235 parser_abort(context, NULL);;
237 if ((context->rc= memcached_behavior_set_distribution_hash(context->memc, $4)) != MEMCACHED_SUCCESS)
239 parser_abort(context, NULL);;
244 if ((context->rc= memcached_behavior_set(context->memc, MEMCACHED_BEHAVIOR_HASH, $2)) != MEMCACHED_SUCCESS)
246 parser_abort(context, NULL);;
249 | behavior_number NUMBER
251 if ((context->rc= memcached_behavior_set(context->memc, $1, $2)) != MEMCACHED_SUCCESS)
253 parser_abort(context, NULL);;
258 if ((context->rc= memcached_behavior_set(context->memc, $1, true)) != MEMCACHED_SUCCESS)
260 parser_abort(context, NULL);;
269 REMOVE_FAILED_SERVERS
271 $$= MEMCACHED_BEHAVIOR_REMOVE_FAILED_SERVERS;
275 $$= MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT;
279 $$= MEMCACHED_BEHAVIOR_IO_MSG_WATERMARK;
283 $$= MEMCACHED_BEHAVIOR_IO_BYTES_WATERMARK;
287 $$= MEMCACHED_BEHAVIOR_IO_KEY_PREFETCH;
291 $$= MEMCACHED_BEHAVIOR_NUMBER_OF_REPLICAS;
295 $$= MEMCACHED_BEHAVIOR_POLL_TIMEOUT;
299 $$= MEMCACHED_BEHAVIOR_RCV_TIMEOUT;
303 $$= MEMCACHED_BEHAVIOR_RETRY_TIMEOUT;
307 $$= MEMCACHED_BEHAVIOR_SND_TIMEOUT;
311 $$= MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE;
315 $$= MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE;
322 $$= MEMCACHED_BEHAVIOR_BINARY_PROTOCOL;
326 $$= MEMCACHED_BEHAVIOR_BUFFER_REQUESTS;
328 | HASH_WITH_NAMESPACE
330 $$= MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY;
334 $$= MEMCACHED_BEHAVIOR_NOREPLY;
336 | RANDOMIZE_REPLICA_READ
338 $$= MEMCACHED_BEHAVIOR_RANDOMIZE_REPLICA_READ;
342 $$= MEMCACHED_BEHAVIOR_SORT_HOSTS;
346 $$= MEMCACHED_BEHAVIOR_SUPPORT_CAS;
350 $$= MEMCACHED_BEHAVIOR_TCP_NODELAY;
354 $$= MEMCACHED_BEHAVIOR_TCP_KEEPALIVE;
358 $$= MEMCACHED_BEHAVIOR_TCP_KEEPIDLE;
362 $$= MEMCACHED_BEHAVIOR_USE_UDP;
366 $$= MEMCACHED_BEHAVIOR_VERIFY_KEY;
385 $$= MEMCACHED_HASH_MD5;
389 $$= MEMCACHED_HASH_CRC;
393 $$= MEMCACHED_HASH_FNV1_64;
397 $$= MEMCACHED_HASH_FNV1A_64;
401 $$= MEMCACHED_HASH_FNV1_32;
405 $$= MEMCACHED_HASH_FNV1A_32;
409 $$= MEMCACHED_HASH_HSIEH;
413 $$= MEMCACHED_HASH_MURMUR;
417 $$= MEMCACHED_HASH_JENKINS;
428 $$.c_str= $1.c_str +1; // +1 to move use passed the initial quote
429 $$.length= $1.length -1; // -1 removes the end quote
436 $$= MEMCACHED_DISTRIBUTION_CONSISTENT;
440 $$= MEMCACHED_DISTRIBUTION_MODULA;
444 $$= MEMCACHED_DISTRIBUTION_RANDOM;
450 void Context::start()
452 config_parse(this, (void **)scanner);