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
82 %token CONNECT_TIMEOUT
85 %token HASH_WITH_PREFIX_KEY
86 %token IO_BYTES_WATERMARK
87 %token IO_KEY_PREFETCH
88 %token IO_MSG_WATERMARK
90 %token KETAMA_WEIGHTED
92 %token NUMBER_OF_REPLICAS
94 %token RANDOMIZE_REPLICA_READ
97 %token SERVER_FAILURE_LIMIT
99 %token SOCKET_RECV_SIZE
100 %token SOCKET_SEND_SIZE
104 %token _TCP_KEEPALIVE
130 %token <boolean> TRUE
131 %token <boolean> FALSE
136 %token <number> FLOAT
137 %token <number> NUMBER
140 %token <server> IPADDRESS
141 %token <server> HOSTNAME
142 %token <string> STRING
143 %token <string> QUOTED_STRING
144 %token <string> FILE_PATH
146 %type <string> string
147 %type <distribution> distribution
149 %type <behavior> behavior_boolean
150 %type <behavior> behavior_number
156 | begin ' ' statement
173 context->rc= MEMCACHED_PARSE_USER_ERROR;
174 parser_abort(context, NULL);
178 memcached_reset(context->memc);
186 if ((context->rc= memcached_parse_configure_file(context->memc, $3.c_str, $3.length)) != MEMCACHED_SUCCESS)
188 parser_abort(context, NULL);
195 SERVER HOSTNAME optional_port optional_weight
197 if ((context->rc= memcached_server_add_with_weight(context->memc, $2.c_str, $2.port, $2.weight)) != MEMCACHED_SUCCESS)
199 parser_abort(context, NULL);
201 context->unset_server();
203 | SERVER IPADDRESS optional_port optional_weight
205 if ((context->rc= memcached_server_add_with_weight(context->memc, $2.c_str, $2.port, $2.weight)) != MEMCACHED_SUCCESS)
207 parser_abort(context, NULL);
209 context->unset_server();
211 | CONFIGURE_FILE string
213 memcached_set_configuration_file(context->memc, $2.c_str, $2.length);
221 if ((context->rc= memcached_set_prefix_key(context->memc, $2.c_str, $2.length)) != MEMCACHED_SUCCESS)
223 parser_abort(context, NULL);;
226 | DISTRIBUTION distribution
228 if ((context->rc= memcached_behavior_set(context->memc, MEMCACHED_BEHAVIOR_DISTRIBUTION, $2)) != MEMCACHED_SUCCESS)
230 parser_abort(context, NULL);;
233 | DISTRIBUTION distribution ',' hash
235 if ((context->rc= memcached_behavior_set(context->memc, MEMCACHED_BEHAVIOR_DISTRIBUTION, $2)) != MEMCACHED_SUCCESS)
237 parser_abort(context, NULL);;
239 if ((context->rc= memcached_behavior_set_distribution_hash(context->memc, $4)) != MEMCACHED_SUCCESS)
241 parser_abort(context, NULL);;
246 if ((context->rc= memcached_behavior_set(context->memc, MEMCACHED_BEHAVIOR_HASH, $2)) != MEMCACHED_SUCCESS)
248 parser_abort(context, NULL);;
251 | behavior_number NUMBER
253 if ((context->rc= memcached_behavior_set(context->memc, $1, $2)) != MEMCACHED_SUCCESS)
255 parser_abort(context, NULL);;
260 if ((context->rc= memcached_behavior_set(context->memc, $1, true)) != MEMCACHED_SUCCESS)
262 parser_abort(context, NULL);;
273 $$= MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT;
277 $$= MEMCACHED_BEHAVIOR_IO_MSG_WATERMARK;
281 $$= MEMCACHED_BEHAVIOR_IO_BYTES_WATERMARK;
285 $$= MEMCACHED_BEHAVIOR_IO_KEY_PREFETCH;
289 $$= MEMCACHED_BEHAVIOR_NUMBER_OF_REPLICAS;
293 $$= MEMCACHED_BEHAVIOR_POLL_TIMEOUT;
297 $$= MEMCACHED_BEHAVIOR_RCV_TIMEOUT;
301 $$= MEMCACHED_BEHAVIOR_RETRY_TIMEOUT;
303 | SERVER_FAILURE_LIMIT
305 $$= MEMCACHED_BEHAVIOR_SERVER_FAILURE_LIMIT;
309 $$= MEMCACHED_BEHAVIOR_SND_TIMEOUT;
313 $$= MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE;
317 $$= MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE;
324 $$= MEMCACHED_BEHAVIOR_AUTO_EJECT_HOSTS;
328 $$= MEMCACHED_BEHAVIOR_BINARY_PROTOCOL;
332 $$= MEMCACHED_BEHAVIOR_BUFFER_REQUESTS;
334 | HASH_WITH_PREFIX_KEY
336 $$= MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY;
340 $$= MEMCACHED_BEHAVIOR_NOREPLY;
342 | RANDOMIZE_REPLICA_READ
344 $$= MEMCACHED_BEHAVIOR_RANDOMIZE_REPLICA_READ;
348 $$= MEMCACHED_BEHAVIOR_SORT_HOSTS;
352 $$= MEMCACHED_BEHAVIOR_SUPPORT_CAS;
356 $$= MEMCACHED_BEHAVIOR_TCP_NODELAY;
360 $$= MEMCACHED_BEHAVIOR_TCP_KEEPALIVE;
364 $$= MEMCACHED_BEHAVIOR_TCP_KEEPIDLE;
368 $$= MEMCACHED_BEHAVIOR_USE_UDP;
372 $$= MEMCACHED_BEHAVIOR_VERIFY_KEY;
391 $$= MEMCACHED_HASH_MD5;
395 $$= MEMCACHED_HASH_CRC;
399 $$= MEMCACHED_HASH_FNV1_64;
403 $$= MEMCACHED_HASH_FNV1A_64;
407 $$= MEMCACHED_HASH_FNV1_32;
411 $$= MEMCACHED_HASH_FNV1A_32;
415 $$= MEMCACHED_HASH_HSIEH;
419 $$= MEMCACHED_HASH_MURMUR;
423 $$= MEMCACHED_HASH_JENKINS;
434 $$.c_str= $1.c_str +1; // +1 to move use passed the initial quote
435 $$.length= $1.length -1; // -1 removes the end quote
442 $$= MEMCACHED_DISTRIBUTION_CONSISTENT;
446 $$= MEMCACHED_DISTRIBUTION_MODULA;
450 $$= MEMCACHED_DISTRIBUTION_RANDOM;
456 void Context::start()
458 config_parse(this, (void **)scanner);