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> NUMBER
137 %token <number> FLOAT
138 %token <string> HOSTNAME
139 %token <string> HOSTNAME_WITH_PORT
140 %token <string> IPADDRESS
141 %token <string> IPADDRESS_WITH_PORT
142 %token <string> STRING
143 %token <string> QUOTED_STRING
144 %token <string> FILE_PATH
146 %type <server> server
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);
198 if ((context->rc= memcached_server_add_parsed(context->memc, $2.c_str, $2.length, $2.port, 0)) != MEMCACHED_SUCCESS)
200 parser_abort(context, NULL);
203 | SERVERS_OPTION server_list
206 | CONFIGURE_FILE string
208 memcached_set_configuration_file(context->memc, $2.c_str, $2.length);
216 if ((context->rc= memcached_set_prefix_key(context->memc, $2.c_str, $2.length)) != MEMCACHED_SUCCESS)
218 parser_abort(context, NULL);;
221 | DISTRIBUTION distribution
223 if ((context->rc= memcached_behavior_set(context->memc, MEMCACHED_BEHAVIOR_DISTRIBUTION, $2)) != MEMCACHED_SUCCESS)
225 parser_abort(context, NULL);;
228 | DISTRIBUTION distribution ',' hash
230 if ((context->rc= memcached_behavior_set(context->memc, MEMCACHED_BEHAVIOR_DISTRIBUTION, $2)) != MEMCACHED_SUCCESS)
232 parser_abort(context, NULL);;
234 if ((context->rc= memcached_behavior_set_distribution_hash(context->memc, $4)) != MEMCACHED_SUCCESS)
236 parser_abort(context, NULL);;
241 if ((context->rc= memcached_behavior_set(context->memc, MEMCACHED_BEHAVIOR_HASH, $2)) != MEMCACHED_SUCCESS)
243 parser_abort(context, NULL);;
246 | behavior_number NUMBER
248 if ((context->rc= memcached_behavior_set(context->memc, $1, $2)) != MEMCACHED_SUCCESS)
250 parser_abort(context, NULL);;
255 if ((context->rc= memcached_behavior_set(context->memc, $1, true)) != MEMCACHED_SUCCESS)
257 parser_abort(context, NULL);;
268 $$= MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT;
272 $$= MEMCACHED_BEHAVIOR_IO_MSG_WATERMARK;
276 $$= MEMCACHED_BEHAVIOR_IO_BYTES_WATERMARK;
280 $$= MEMCACHED_BEHAVIOR_IO_KEY_PREFETCH;
284 $$= MEMCACHED_BEHAVIOR_NUMBER_OF_REPLICAS;
288 $$= MEMCACHED_BEHAVIOR_POLL_TIMEOUT;
292 $$= MEMCACHED_BEHAVIOR_RCV_TIMEOUT;
296 $$= MEMCACHED_BEHAVIOR_RETRY_TIMEOUT;
298 | SERVER_FAILURE_LIMIT
300 $$= MEMCACHED_BEHAVIOR_SERVER_FAILURE_LIMIT;
304 $$= MEMCACHED_BEHAVIOR_SND_TIMEOUT;
308 $$= MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE;
312 $$= MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE;
319 $$= MEMCACHED_BEHAVIOR_AUTO_EJECT_HOSTS;
323 $$= MEMCACHED_BEHAVIOR_BINARY_PROTOCOL;
327 $$= MEMCACHED_BEHAVIOR_BUFFER_REQUESTS;
329 | HASH_WITH_PREFIX_KEY
331 $$= MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY;
335 $$= MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED;
339 $$= MEMCACHED_BEHAVIOR_NOREPLY;
341 | RANDOMIZE_REPLICA_READ
343 $$= MEMCACHED_BEHAVIOR_RANDOMIZE_REPLICA_READ;
347 $$= MEMCACHED_BEHAVIOR_SORT_HOSTS;
351 $$= MEMCACHED_BEHAVIOR_SUPPORT_CAS;
355 $$= MEMCACHED_BEHAVIOR_TCP_NODELAY;
359 $$= MEMCACHED_BEHAVIOR_TCP_KEEPALIVE;
363 $$= MEMCACHED_BEHAVIOR_TCP_KEEPIDLE;
367 $$= MEMCACHED_BEHAVIOR_USE_UDP;
371 $$= MEMCACHED_BEHAVIOR_VERIFY_KEY;
378 if ((context->rc= memcached_server_add_parsed(context->memc, $1.c_str, $1.length, $1.port, 0)) != MEMCACHED_SUCCESS)
380 parser_abort(context, NULL);;
383 | server_list ',' server
385 if ((context->rc= memcached_server_add_parsed(context->memc, $3.c_str, $3.length, $3.port, 0)) != MEMCACHED_SUCCESS)
387 parser_abort(context, NULL);;
393 HOSTNAME_WITH_PORT NUMBER
396 $$.length= $1.length -1; // -1 to remove :
402 $$.length= $1.length;
403 $$.port= MEMCACHED_DEFAULT_PORT;
405 | STRING /* a match can be against "localhost" which is just a string */
408 $$.length= $1.length;
409 $$.port= MEMCACHED_DEFAULT_PORT;
411 | IPADDRESS_WITH_PORT NUMBER
414 $$.length= $1.length -1; // -1 to remove :
420 $$.length= $1.length;
421 $$.port= MEMCACHED_DEFAULT_PORT;
428 $$= MEMCACHED_HASH_MD5;
432 $$= MEMCACHED_HASH_CRC;
436 $$= MEMCACHED_HASH_FNV1_64;
440 $$= MEMCACHED_HASH_FNV1A_64;
444 $$= MEMCACHED_HASH_FNV1_32;
448 $$= MEMCACHED_HASH_FNV1A_32;
452 $$= MEMCACHED_HASH_HSIEH;
456 $$= MEMCACHED_HASH_MURMUR;
460 $$= MEMCACHED_HASH_JENKINS;
471 $$.c_str= $1.c_str +1; // +1 to move use passed the initial quote
472 $$.length= $1.length -1; // -1 removes the end quote
479 $$= MEMCACHED_DISTRIBUTION_CONSISTENT;
483 $$= MEMCACHED_DISTRIBUTION_MODULA;
487 $$= MEMCACHED_DISTRIBUTION_RANDOM;
493 void Context::start()
495 config_parse(this, (void **)scanner);