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/common.h>
43 #include <libmemcached/options/context.h>
44 #include <libmemcached/options/string.h>
45 #include <libmemcached/options/symbol.h>
46 #include <libmemcached/options/scanner.h>
48 #pragma GCC diagnostic ignored "-Wold-style-cast"
50 int conf_lex(YYSTYPE* lvalp, void* scanner);
52 #define parser_abort(A, B) do { (A)->abort((B)); YYABORT; } while (0)
54 inline void config_error(Context *context, yyscan_t *scanner, const char *error)
56 if (not context->end())
57 context->abort(error);
76 /* All behavior options */
77 %token BINARY_PROTOCOL
78 %token BUFFER_REQUESTS
79 %token CONNECT_TIMEOUT
82 %token HASH_WITH_NAMESPACE
83 %token IO_BYTES_WATERMARK
84 %token IO_KEY_PREFETCH
85 %token IO_MSG_WATERMARK
87 %token KETAMA_WEIGHTED
89 %token NUMBER_OF_REPLICAS
91 %token RANDOMIZE_REPLICA_READ
93 %token REMOVE_FAILED_SERVERS
96 %token SOCKET_RECV_SIZE
97 %token SOCKET_SEND_SIZE
103 %token _TCP_KEEPALIVE
131 %token <boolean> TRUE
132 %token <boolean> FALSE
137 %token <number> FLOAT
138 %token <number> NUMBER
141 %token <server> IPADDRESS
142 %token <server> HOSTNAME
143 %token <string> STRING
144 %token <string> QUOTED_STRING
145 %token <string> FILE_PATH
147 %type <string> string
148 %type <distribution> distribution
150 %type <behavior> behavior_boolean
151 %type <behavior> behavior_number
157 | begin ' ' statement
174 context->rc= MEMCACHED_PARSE_USER_ERROR;
175 parser_abort(context, NULL);
179 memcached_reset(context->memc);
187 if ((context->rc= memcached_parse_configure_file(context->memc, $3.c_str, $3.length)) != MEMCACHED_SUCCESS)
189 parser_abort(context, NULL);
196 SERVER HOSTNAME optional_port optional_weight
198 if ((context->rc= memcached_server_add_with_weight(context->memc, $2.c_str, $2.port, $2.weight)) != MEMCACHED_SUCCESS)
200 parser_abort(context, NULL);
202 context->unset_server();
204 | SERVER IPADDRESS optional_port optional_weight
206 if ((context->rc= memcached_server_add_with_weight(context->memc, $2.c_str, $2.port, $2.weight)) != MEMCACHED_SUCCESS)
208 parser_abort(context, NULL);
210 context->unset_server();
212 | CONFIGURE_FILE string
214 memcached_set_configuration_file(context->memc, $2.c_str, $2.length);
218 context->memc->configure.initial_pool_size= $2;
222 context->memc->configure.max_pool_size= $2;
230 if ((context->rc= memcached_set_prefix_key(context->memc, $2.c_str, $2.length)) != MEMCACHED_SUCCESS)
232 parser_abort(context, NULL);;
235 | DISTRIBUTION distribution
237 if ((context->rc= memcached_behavior_set(context->memc, MEMCACHED_BEHAVIOR_DISTRIBUTION, $2)) != MEMCACHED_SUCCESS)
239 parser_abort(context, NULL);;
242 | DISTRIBUTION distribution ',' hash
244 if ((context->rc= memcached_behavior_set(context->memc, MEMCACHED_BEHAVIOR_DISTRIBUTION, $2)) != MEMCACHED_SUCCESS)
246 parser_abort(context, NULL);;
248 if ((context->rc= memcached_behavior_set_distribution_hash(context->memc, $4)) != MEMCACHED_SUCCESS)
250 parser_abort(context, NULL);;
255 if ((context->rc= memcached_behavior_set(context->memc, MEMCACHED_BEHAVIOR_HASH, $2)) != MEMCACHED_SUCCESS)
257 parser_abort(context, NULL);;
260 | behavior_number NUMBER
262 if ((context->rc= memcached_behavior_set(context->memc, $1, $2)) != MEMCACHED_SUCCESS)
264 parser_abort(context, NULL);;
269 if ((context->rc= memcached_behavior_set(context->memc, $1, true)) != MEMCACHED_SUCCESS)
271 parser_abort(context, NULL);;
280 REMOVE_FAILED_SERVERS
282 $$= MEMCACHED_BEHAVIOR_REMOVE_FAILED_SERVERS;
286 $$= MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT;
290 $$= MEMCACHED_BEHAVIOR_IO_MSG_WATERMARK;
294 $$= MEMCACHED_BEHAVIOR_IO_BYTES_WATERMARK;
298 $$= MEMCACHED_BEHAVIOR_IO_KEY_PREFETCH;
302 $$= MEMCACHED_BEHAVIOR_NUMBER_OF_REPLICAS;
306 $$= MEMCACHED_BEHAVIOR_POLL_TIMEOUT;
310 $$= MEMCACHED_BEHAVIOR_RCV_TIMEOUT;
314 $$= MEMCACHED_BEHAVIOR_RETRY_TIMEOUT;
318 $$= MEMCACHED_BEHAVIOR_SND_TIMEOUT;
322 $$= MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE;
326 $$= MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE;
333 $$= MEMCACHED_BEHAVIOR_BINARY_PROTOCOL;
337 $$= MEMCACHED_BEHAVIOR_BUFFER_REQUESTS;
339 | HASH_WITH_NAMESPACE
341 $$= MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY;
345 $$= MEMCACHED_BEHAVIOR_NOREPLY;
347 | RANDOMIZE_REPLICA_READ
349 $$= MEMCACHED_BEHAVIOR_RANDOMIZE_REPLICA_READ;
353 $$= MEMCACHED_BEHAVIOR_SORT_HOSTS;
357 $$= MEMCACHED_BEHAVIOR_SUPPORT_CAS;
361 $$= MEMCACHED_BEHAVIOR_TCP_NODELAY;
365 $$= MEMCACHED_BEHAVIOR_TCP_KEEPALIVE;
369 $$= MEMCACHED_BEHAVIOR_TCP_KEEPIDLE;
373 $$= MEMCACHED_BEHAVIOR_USE_UDP;
377 $$= MEMCACHED_BEHAVIOR_VERIFY_KEY;
396 $$= MEMCACHED_HASH_MD5;
400 $$= MEMCACHED_HASH_CRC;
404 $$= MEMCACHED_HASH_FNV1_64;
408 $$= MEMCACHED_HASH_FNV1A_64;
412 $$= MEMCACHED_HASH_FNV1_32;
416 $$= MEMCACHED_HASH_FNV1A_32;
420 $$= MEMCACHED_HASH_HSIEH;
424 $$= MEMCACHED_HASH_MURMUR;
428 $$= MEMCACHED_HASH_JENKINS;
439 $$.c_str= $1.c_str +1; // +1 to move use passed the initial quote
440 $$.length= $1.length -1; // -1 removes the end quote
447 $$= MEMCACHED_DISTRIBUTION_CONSISTENT;
451 $$= MEMCACHED_DISTRIBUTION_MODULA;
455 $$= MEMCACHED_DISTRIBUTION_RANDOM;
461 void Context::start()
463 config_parse(this, (void **)scanner);