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="libmemcached_"
29 %parse-param { Context *parser }
30 %parse-param { yyscan_t *scanner }
46 #include <libmemcached/options/context.h>
47 #include <libmemcached/options/string.h>
48 #include <libmemcached/options/symbol.h>
50 #pragma GCC diagnostic ignored "-Wold-style-cast"
51 #include <libmemcached/options/scanner.h>
53 int libmemcached_lex(YYSTYPE* lvalp, YYLTYPE* llocp, void* scanner);
55 inline void libmemcached_error(YYLTYPE *locp, Context *context, yyscan_t *scanner, const char *error)
57 memcached_string_t local_string;
58 std::cerr << " Error " << error << std::endl;
59 local_string.size= strlen(context->begin);
60 local_string.c_str= context->begin;
61 memcached_set_error(context->memc, MEMCACHED_PARSE_ERROR, &local_string);
74 /* All behavior options */
75 %token AUTO_EJECT_HOSTS
76 %token BINARY_PROTOCOL
77 %token BUFFER_REQUESTS
79 %token CONNECT_TIMEOUT
83 %token HASH_WITH_PREFIX_KEY
84 %token IO_BYTES_WATERMARK
85 %token IO_KEY_PREFETCH
86 %token IO_MSG_WATERMARK
89 %token KETAMA_WEIGHTED
91 %token NUMBER_OF_REPLICAS
93 %token RANDOMIZE_REPLICA_READ
96 %token SERVER_FAILURE_LIMIT
98 %token SOCKET_RECV_SIZE
99 %token SOCKET_SEND_SIZE
103 %token _TCP_KEEPALIVE
131 %token <number> NUMBER
132 %token <number> FLOAT
133 %token <string> HOSTNAME
134 %token <string> HOSTNAME_WITH_PORT
135 %token <string> IPADDRESS
136 %token <string> IPADDRESS_WITH_PORT
137 %token <string> STRING
138 %token <string> QUOTED_STRING
140 %type <server> server
141 %type <string> string
142 %type <distribution> distribution
144 %type <behavior> behavior_boolean
145 %type <behavior> behavior_number
152 | statement ' ' expression
164 if (memcached_server_add_parsed(parser->memc, $3.c_str, $3.length, $3.port, 0) != MEMCACHED_SUCCESS)
167 | SERVERS '=' server_list
170 | CONFIGURE_FILE '=' string
172 memcached_set_configuration_file(parser->memc, $3.c_str, $3.length);
178 PREFIX_KEY '=' string
180 memcached_return_t rc;
181 if ((rc= memcached_callback_set(parser->memc, MEMCACHED_CALLBACK_PREFIX_KEY, std::string($3.c_str, $3.length).c_str())) != MEMCACHED_SUCCESS)
183 std::stringstream ss;
184 ss << "--PREFIX-KEY" << $3;
185 memcached_set_error_string(parser->memc, rc, ss.str().c_str(), ss.str().length());
189 | DISTRIBUTION '=' distribution
191 memcached_return_t rc;
192 if ((rc= memcached_behavior_set(parser->memc, MEMCACHED_BEHAVIOR_DISTRIBUTION, $3)) != MEMCACHED_SUCCESS)
194 std::stringstream ss;
195 ss << "--DISTRIBUTION=" << libmemcached_string_distribution($3);
196 memcached_set_error_string(parser->memc, rc, ss.str().c_str(), ss.str().length());
202 memcached_return_t rc;
203 if ((rc= memcached_behavior_set(parser->memc, MEMCACHED_BEHAVIOR_HASH, $3)) != MEMCACHED_SUCCESS)
205 std::stringstream ss;
206 ss << "--HASH=" << libmemcached_string_hash($3);
207 memcached_set_error_string(parser->memc, rc, ss.str().c_str(), ss.str().length());
211 | KETAMA_HASH '=' hash
213 memcached_return_t rc;
214 if ((rc= memcached_behavior_set(parser->memc, MEMCACHED_BEHAVIOR_KETAMA_HASH, $3)) != MEMCACHED_SUCCESS)
216 std::stringstream ss;
217 ss << "--KETAMA-HASH=" << libmemcached_string_hash($3);
218 memcached_set_error_string(parser->memc, rc, ss.str().c_str(), ss.str().length());
222 | behavior_number '=' NUMBER
224 memcached_return_t rc;
225 if ((rc= memcached_behavior_set(parser->memc, $1, $3)) != MEMCACHED_SUCCESS)
227 std::stringstream ss;
228 ss << "--" << libmemcached_string_behavior($1) << "=" << $3;
229 memcached_set_error_string(parser->memc, rc, ss.str().c_str(), ss.str().length());
235 memcached_return_t rc;
236 if ((rc= memcached_behavior_set(parser->memc, $1, true)) != MEMCACHED_SUCCESS)
238 std::stringstream ss;
239 ss << "--" << libmemcached_string_behavior($1);
240 memcached_set_error_string(parser->memc, rc, ss.str().c_str(), ss.str().length());
252 $$= MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT;
256 $$= MEMCACHED_BEHAVIOR_IO_MSG_WATERMARK;
260 $$= MEMCACHED_BEHAVIOR_IO_BYTES_WATERMARK;
264 $$= MEMCACHED_BEHAVIOR_IO_KEY_PREFETCH;
268 $$= MEMCACHED_BEHAVIOR_NUMBER_OF_REPLICAS;
272 $$= MEMCACHED_BEHAVIOR_POLL_TIMEOUT;
276 $$= MEMCACHED_BEHAVIOR_RCV_TIMEOUT;
280 $$= MEMCACHED_BEHAVIOR_RETRY_TIMEOUT;
282 | SERVER_FAILURE_LIMIT
284 $$= MEMCACHED_BEHAVIOR_SERVER_FAILURE_LIMIT;
288 $$= MEMCACHED_BEHAVIOR_SND_TIMEOUT;
292 $$= MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE;
296 $$= MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE;
303 $$= MEMCACHED_BEHAVIOR_AUTO_EJECT_HOSTS;
307 $$= MEMCACHED_BEHAVIOR_BINARY_PROTOCOL;
311 $$= MEMCACHED_BEHAVIOR_BUFFER_REQUESTS;
315 $$= MEMCACHED_BEHAVIOR_CACHE_LOOKUPS;
319 $$= MEMCACHED_BEHAVIOR_CORK;
321 | HASH_WITH_PREFIX_KEY
323 $$= MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY;
327 $$= MEMCACHED_BEHAVIOR_KETAMA;
331 $$= MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED;
335 $$= MEMCACHED_BEHAVIOR_NOREPLY;
337 | RANDOMIZE_REPLICA_READ
339 $$= MEMCACHED_BEHAVIOR_RANDOMIZE_REPLICA_READ;
343 $$= MEMCACHED_BEHAVIOR_SORT_HOSTS;
347 $$= MEMCACHED_BEHAVIOR_SUPPORT_CAS;
351 $$= MEMCACHED_BEHAVIOR_TCP_NODELAY;
355 $$= MEMCACHED_BEHAVIOR_TCP_KEEPALIVE;
359 $$= MEMCACHED_BEHAVIOR_TCP_KEEPIDLE;
363 $$= MEMCACHED_BEHAVIOR_USE_UDP;
367 $$= MEMCACHED_BEHAVIOR_VERIFY_KEY;
374 memcached_return_t rc;
375 if ((rc= memcached_server_add_parsed(parser->memc, $1.c_str, $1.length, $1.port, 0)) != MEMCACHED_SUCCESS)
377 std::stringstream ss;
378 ss << "--SERVER=" << $1;
379 memcached_set_error_string(parser->memc, rc, ss.str().c_str(), ss.str().length());
383 | server_list ',' server
385 memcached_return_t rc;
386 if ((rc= memcached_server_add_parsed(parser->memc, $3.c_str, $3.length, $3.port, 0)) != MEMCACHED_SUCCESS)
388 std::stringstream ss;
389 ss << "--SERVERS=" << $3;
390 memcached_set_error_string(parser->memc, rc, ss.str().c_str(), ss.str().length());
397 HOSTNAME_WITH_PORT NUMBER
400 $$.length= $1.length -1;
406 $$.length= $1.length;
407 $$.port= MEMCACHED_DEFAULT_PORT;
409 | STRING /* a match can be against "localhost" which is just a string */
412 $$.length= $1.length;
413 $$.port= MEMCACHED_DEFAULT_PORT;
415 | IPADDRESS_WITH_PORT NUMBER
418 $$.length= $1.length -1;
424 $$.length= $1.length;
425 $$.port= MEMCACHED_DEFAULT_PORT;
432 $$= MEMCACHED_HASH_MD5;
436 $$= MEMCACHED_HASH_CRC;
440 $$= MEMCACHED_HASH_FNV1_64;
444 $$= MEMCACHED_HASH_FNV1A_64;
448 $$= MEMCACHED_HASH_FNV1_32;
452 $$= MEMCACHED_HASH_FNV1A_32;
456 $$= MEMCACHED_HASH_HSIEH;
460 $$= MEMCACHED_HASH_MURMUR;
464 $$= MEMCACHED_HASH_JENKINS;
475 $$.c_str= $1.c_str +1;
476 $$.length= $1.length -2;
483 $$= MEMCACHED_DISTRIBUTION_CONSISTENT;
487 $$= MEMCACHED_DISTRIBUTION_MODULA;
491 $$= MEMCACHED_DISTRIBUTION_RANDOM;