src/frontend/query.c

   1 /*
   2  * SysDB - src/frontend/query.c
   3  * Copyright (C) 2013-2014 Sebastian 'tokkee' Harl <sh@tokkee.org>
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  16  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  17  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  18  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
  19  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  20  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
  22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  */
  27
  28 #ifdef HAVE_CONFIG_H
  29 #       include "config.h"
  30 #endif
  31
  32 #include "sysdb.h"
  33
  34 #include "core/plugin.h"
  35 #include "frontend/connection-private.h"
  36 #include "parser/ast.h"
  37 #include "parser/parser.h"
  38 #include "utils/error.h"
  39 #include "utils/proto.h"
  40 #include "utils/strbuf.h"
  41
  42 #include <errno.h>
  43 #include <ctype.h>
  44 #include <string.h>
  45
  46 /*
  47  * metric fetcher:
  48  * Implements the callbacks necessary to read a metric object.
  49  */
  50
  51 typedef struct {
  52         char *type;
  53         char *id;
  54         sdb_time_t last_update;
  55 } metric_store_t;
  56
  57 static int
  58 metric_fetcher_host(sdb_store_host_t __attribute__((unused)) *host,
  59                 sdb_object_t __attribute__((unused)) *user_data)
  60 {
  61         return 0;
  62 } /* metric_fetcher_host */
  63
  64 static int
  65 metric_fetcher_metric(sdb_store_metric_t *metric, sdb_object_t *user_data)
  66 {
  67         metric_store_t *st = SDB_OBJ_WRAPPER(user_data)->data;
  68
  69         if ((! metric->store.type) || (! metric->store.id))
  70                 return 0;
  71
  72         st->type = strdup(metric->store.type);
  73         st->id = strdup(metric->store.id);
  74         st->last_update = metric->store.last_update;
  75         if ((! st->type) || (! st->id))
  76                 return -1;
  77         return 0;
  78 } /* metric_fetcher_metric */
  79
  80 static sdb_store_writer_t metric_fetcher = {
  81         metric_fetcher_host, NULL, metric_fetcher_metric, NULL,
  82 };
  83
  84 /*
  85  * private helper functions
  86  */
  87
  88 static char *
  89 sstrdup(const char *s)
  90 {
  91         return s ? strdup(s) : NULL;
  92 } /* sstrdup */
  93
  94 static size_t
  95 sstrlen(const char *s)
  96 {
  97         return s ? strlen(s) : 0;
  98 } /* sstrlen */
  99
 100 static int
 101 exec_query(sdb_ast_node_t *ast, sdb_strbuf_t *buf, sdb_strbuf_t *errbuf)
 102 {
 103         sdb_store_json_formatter_t *f;
 104         int type = 0, flags = 0;
 105         uint32_t res_type = 0;
 106         int status;
 107
 108         switch (ast->type) {
 109         case SDB_AST_TYPE_FETCH:
 110                 type = SDB_AST_FETCH(ast)->obj_type;
 111                 res_type = htonl(SDB_CONNECTION_FETCH);
 112                 break;
 113         case SDB_AST_TYPE_LIST:
 114                 type = SDB_AST_LIST(ast)->obj_type;
 115                 flags = SDB_WANT_ARRAY;
 116                 res_type = htonl(SDB_CONNECTION_LIST);
 117                 break;
 118         case SDB_AST_TYPE_LOOKUP:
 119                 type = SDB_AST_LOOKUP(ast)->obj_type;
 120                 flags = SDB_WANT_ARRAY;
 121                 res_type = htonl(SDB_CONNECTION_LOOKUP);
 122                 break;
 123         default:
 124                 sdb_strbuf_sprintf(errbuf, "invalid command %s (%#x)",
 125                                 SDB_AST_TYPE_TO_STRING(ast), ast->type);
 126                 return -1;
 127         }
 128
 129         f = sdb_store_json_formatter(buf, type, flags);
 130         sdb_strbuf_memcpy(buf, &res_type, sizeof(res_type));
 131         status = sdb_plugin_query(ast, &sdb_store_json_writer, SDB_OBJ(f), errbuf);
 132         if (status < 0)
 133                 sdb_strbuf_clear(buf);
 134         sdb_store_json_finish(f);
 135         sdb_object_deref(SDB_OBJ(f));
 136         return status;
 137 } /* exec_query */
 138
 139 static int
 140 exec_store(sdb_ast_store_t *st, sdb_strbuf_t *buf, sdb_strbuf_t *errbuf)
 141 {
 142         char name[sstrlen(st->hostname) + sstrlen(st->parent) + sstrlen(st->name) + 3];
 143         sdb_metric_store_t metric_store;
 144         int type = st->obj_type, status = -1;
 145
 146         switch (st->obj_type) {
 147         case SDB_HOST:
 148                 strncpy(name, st->name, sizeof(name));
 149                 status = sdb_plugin_store_host(st->name, st->last_update);
 150                 break;
 151
 152         case SDB_SERVICE:
 153                 snprintf(name, sizeof(name), "%s.%s", st->hostname, st->name);
 154                 status = sdb_plugin_store_service(st->hostname, st->name, st->last_update);
 155                 break;
 156
 157         case SDB_METRIC:
 158                 snprintf(name, sizeof(name), "%s.%s", st->hostname, st->name);
 159                 metric_store.type = st->store_type;
 160                 metric_store.id = st->store_id;
 161                 metric_store.last_update = st->last_update;
 162                 status = sdb_plugin_store_metric(st->hostname, st->name,
 163                                 &metric_store, st->last_update);
 164                 break;
 165
 166         case SDB_ATTRIBUTE:
 167                 type |= st->parent_type;
 168
 169                 if (st->parent)
 170                         snprintf(name, sizeof(name), "%s.%s.%s",
 171                                         st->hostname, st->parent, st->name);
 172                 else
 173                         snprintf(name, sizeof(name), "%s.%s", st->hostname, st->name);
 174
 175                 switch (st->parent_type) {
 176                 case 0:
 177                         type |= SDB_HOST;
 178                         status = sdb_plugin_store_attribute(st->hostname,
 179                                         st->name, &st->value, st->last_update);
 180                         break;
 181
 182                 case SDB_SERVICE:
 183                         status = sdb_plugin_store_service_attribute(st->hostname, st->parent,
 184                                         st->name, &st->value, st->last_update);
 185                         break;
 186
 187                 case SDB_METRIC:
 188                         status = sdb_plugin_store_metric_attribute(st->hostname, st->parent,
 189                                         st->name, &st->value, st->last_update);
 190                         break;
 191
 192                 default:
 193                         sdb_log(SDB_LOG_ERR, "store: Invalid parent type in STORE: %s",
 194                                         SDB_STORE_TYPE_TO_NAME(st->parent_type));
 195                         return -1;
 196                 }
 197                 break;
 198
 199         default:
 200                 sdb_log(SDB_LOG_ERR, "store: Invalid object type in STORE: %s",
 201                                 SDB_STORE_TYPE_TO_NAME(st->obj_type));
 202                 return -1;
 203         }
 204
 205         if (status < 0) {
 206                 sdb_strbuf_sprintf(errbuf, "STORE: Failed to store %s object",
 207                                 SDB_STORE_TYPE_TO_NAME(type));
 208                 return -1;
 209         }
 210
 211         if (! status) {
 212                 sdb_strbuf_sprintf(buf, "Successfully stored %s %s",
 213                                 SDB_STORE_TYPE_TO_NAME(type), name);
 214         }
 215         else {
 216                 char type_str[32];
 217                 strncpy(type_str, SDB_STORE_TYPE_TO_NAME(type), sizeof(type_str));
 218                 type_str[0] = (char)toupper((int)type_str[0]);
 219                 sdb_strbuf_sprintf(buf, "%s %s already up to date", type_str, name);
 220         }
 221
 222         return SDB_CONNECTION_OK;
 223 } /* exec_store */
 224
 225 static int
 226 exec_timeseries(sdb_ast_timeseries_t *ts, sdb_strbuf_t *buf, sdb_strbuf_t *errbuf)
 227 {
 228         metric_store_t st = { NULL, NULL, 0 };
 229         sdb_object_wrapper_t obj = SDB_OBJECT_WRAPPER_STATIC(&st);
 230         sdb_ast_fetch_t fetch = SDB_AST_FETCH_INIT;
 231         sdb_timeseries_opts_t opts = { 0, 0 };
 232         sdb_timeseries_t *series = NULL;
 233         int status;
 234
 235         if ((! ts) || (! ts->hostname) || (! ts->metric))
 236                 return -1;
 237
 238         fetch.obj_type = SDB_METRIC;
 239         fetch.hostname = strdup(ts->hostname);
 240         fetch.name = strdup(ts->metric);
 241         opts.start = ts->start;
 242         opts.end = ts->end;
 243
 244         status = sdb_plugin_query(SDB_AST_NODE(&fetch),
 245                         &metric_fetcher, SDB_OBJ(&obj), errbuf);
 246         if ((status < 0) || (! st.type) || (! st.id)) {
 247                 sdb_log(SDB_LOG_ERR, "frontend: Failed to fetch time-series '%s/%s' "
 248                                 "- no data-store configured for the stored metric",
 249                                 ts->hostname, ts->metric);
 250                 status = -1;
 251         }
 252         if (status >= 0) {
 253                 series = sdb_plugin_fetch_timeseries(st.type, st.id, &opts);
 254                 if (series) {
 255                         uint32_t res_type = htonl(SDB_CONNECTION_TIMESERIES);
 256                         sdb_strbuf_memcpy(buf, &res_type, sizeof(res_type));
 257                         sdb_timeseries_tojson(series, buf);
 258                         sdb_timeseries_destroy(series);
 259                 }
 260                 else {
 261                         sdb_log(SDB_LOG_ERR, "frontend: Failed to fetch time-series '%s/%s' "
 262                                         "- %s fetcher callback returned no data for '%s'",
 263                                         ts->hostname, ts->metric, st.type, st.id);
 264                         status = -1;
 265                 }
 266         }
 267
 268         free(fetch.hostname);
 269         free(fetch.name);
 270         if (st.type)
 271                 free(st.type);
 272         if (st.id)
 273                 free(st.id);
 274         return status;
 275 } /* exec_timeseries */
 276
 277 static int
 278 exec_cmd(sdb_conn_t *conn, sdb_ast_node_t *ast)
 279 {
 280         sdb_strbuf_t *buf;
 281         int status;
 282
 283         if (! ast) {
 284                 sdb_strbuf_sprintf(conn->errbuf, "out of memory");
 285                 return -1;
 286         }
 287
 288         buf = sdb_strbuf_create(1024);
 289         if (! buf) {
 290                 sdb_strbuf_sprintf(conn->errbuf, "Out of memory");
 291                 return -1;
 292         }
 293
 294         if (ast->type == SDB_AST_TYPE_STORE)
 295                 status = exec_store(SDB_AST_STORE(ast), buf, conn->errbuf);
 296         else if (ast->type == SDB_AST_TYPE_TIMESERIES)
 297                 status = exec_timeseries(SDB_AST_TIMESERIES(ast), buf, conn->errbuf);
 298         else
 299                 status = exec_query(ast, buf, conn->errbuf);
 300
 301         if (status < 0) {
 302                 char query[conn->cmd_len + 1];
 303                 strncpy(query, sdb_strbuf_string(conn->buf), conn->cmd_len);
 304                 query[sizeof(query) - 1] = '\0';
 305                 sdb_log(SDB_LOG_ERR, "frontend: failed to execute query '%s'", query);
 306         }
 307         else
 308                 sdb_connection_send(conn, status,
 309                                 (uint32_t)sdb_strbuf_len(buf), sdb_strbuf_string(buf));
 310
 311         sdb_strbuf_destroy(buf);
 312         return status < 0 ? status : 0;
 313 } /* exec_cmd */
 314
 315 /*
 316  * public API
 317  */
 318
 319 int
 320 sdb_conn_query(sdb_conn_t *conn)
 321 {
 322         sdb_llist_t *parsetree;
 323         sdb_ast_node_t *ast = NULL;
 324         int status = 0;
 325
 326         if ((! conn) || (conn->cmd != SDB_CONNECTION_QUERY))
 327                 return -1;
 328
 329         parsetree = sdb_parser_parse(sdb_strbuf_string(conn->buf),
 330                         (int)conn->cmd_len, conn->errbuf);
 331         if (! parsetree) {
 332                 char query[conn->cmd_len + 1];
 333                 strncpy(query, sdb_strbuf_string(conn->buf), conn->cmd_len);
 334                 query[sizeof(query) - 1] = '\0';
 335                 sdb_log(SDB_LOG_ERR, "frontend: Failed to parse query '%s': %s",
 336                                 query, sdb_strbuf_string(conn->errbuf));
 337                 return -1;
 338         }
 339
 340         switch (sdb_llist_len(parsetree)) {
 341                 case 0:
 342                         /* skipping empty command; send back an empty reply */
 343                         sdb_connection_send(conn, SDB_CONNECTION_DATA, 0, NULL);
 344                         break;
 345                 case 1:
 346                         ast = SDB_AST_NODE(sdb_llist_get(parsetree, 0));
 347                         break;
 348
 349                 default:
 350                         {
 351                                 char query[conn->cmd_len + 1];
 352                                 strncpy(query, sdb_strbuf_string(conn->buf), conn->cmd_len);
 353                                 query[sizeof(query) - 1] = '\0';
 354                                 sdb_log(SDB_LOG_WARNING, "frontend: Ignoring %zu command%s "
 355                                                 "in multi-statement query '%s'",
 356                                                 sdb_llist_len(parsetree) - 1,
 357                                                 sdb_llist_len(parsetree) == 2 ? "" : "s",
 358                                                 query);
 359                                 ast = SDB_AST_NODE(sdb_llist_get(parsetree, 0));
 360                         }
 361         }
 362
 363         if (ast) {
 364                 status = exec_cmd(conn, ast);
 365                 sdb_object_deref(SDB_OBJ(ast));
 366         }
 367         sdb_llist_destroy(parsetree);
 368         return status;
 369 } /* sdb_conn_query */
 370
 371 int
 372 sdb_conn_fetch(sdb_conn_t *conn)
 373 {
 374         sdb_ast_node_t *ast;
 375         char hostname[conn->cmd_len + 1];
 376         char name[conn->cmd_len + 1];
 377         uint32_t type;
 378         int status;
 379
 380         if ((! conn) || (conn->cmd != SDB_CONNECTION_FETCH))
 381                 return -1;
 382
 383         if (conn->cmd_len < sizeof(uint32_t)) {
 384                 sdb_log(SDB_LOG_ERR, "frontend: Invalid command length %d for "
 385                                 "FETCH command", conn->cmd_len);
 386                 sdb_strbuf_sprintf(conn->errbuf, "FETCH: Invalid command length %d",
 387                                 conn->cmd_len);
 388                 return -1;
 389         }
 390
 391         /* TODO: support other types besides hosts */
 392         hostname[0] = '\0';
 393
 394         sdb_proto_unmarshal_int32(SDB_STRBUF_STR(conn->buf), &type);
 395         strncpy(name, sdb_strbuf_string(conn->buf) + sizeof(uint32_t),
 396                         conn->cmd_len - sizeof(uint32_t));
 397         name[sizeof(name) - 1] = '\0';
 398
 399         ast = sdb_ast_fetch_create((int)type,
 400                         hostname[0] ? strdup(hostname) : NULL,
 401                         -1, NULL,
 402                         name[0] ? strdup(name) : NULL,
 403                         /* full */ 1, /* filter = */ NULL);
 404         status = exec_cmd(conn, ast);
 405         sdb_object_deref(SDB_OBJ(ast));
 406         return status;
 407 } /* sdb_conn_fetch */
 408
 409 int
 410 sdb_conn_list(sdb_conn_t *conn)
 411 {
 412         sdb_ast_node_t *ast;
 413         uint32_t type = SDB_HOST;
 414         int status;
 415
 416         if ((! conn) || (conn->cmd != SDB_CONNECTION_LIST))
 417                 return -1;
 418
 419         if (conn->cmd_len == sizeof(uint32_t))
 420                 sdb_proto_unmarshal_int32(SDB_STRBUF_STR(conn->buf), &type);
 421         else if (conn->cmd_len) {
 422                 sdb_log(SDB_LOG_ERR, "frontend: Invalid command length %d for "
 423                                 "LIST command", conn->cmd_len);
 424                 sdb_strbuf_sprintf(conn->errbuf, "LIST: Invalid command length %d",
 425                                 conn->cmd_len);
 426                 return -1;
 427         }
 428
 429         ast = sdb_ast_list_create((int)type, /* filter = */ NULL);
 430         status = exec_cmd(conn, ast);
 431         sdb_object_deref(SDB_OBJ(ast));
 432         return status;
 433 } /* sdb_conn_list */
 434
 435 int
 436 sdb_conn_lookup(sdb_conn_t *conn)
 437 {
 438         sdb_ast_node_t *ast, *m;
 439         const char *matcher;
 440         size_t matcher_len;
 441
 442         uint32_t type;
 443         int status;
 444
 445         if ((! conn) || (conn->cmd != SDB_CONNECTION_LOOKUP))
 446                 return -1;
 447
 448         if (conn->cmd_len < sizeof(uint32_t)) {
 449                 sdb_log(SDB_LOG_ERR, "frontend: Invalid command length %d for "
 450                                 "LOOKUP command", conn->cmd_len);
 451                 sdb_strbuf_sprintf(conn->errbuf, "LOOKUP: Invalid command length %d",
 452                                 conn->cmd_len);
 453                 return -1;
 454         }
 455         sdb_proto_unmarshal_int32(SDB_STRBUF_STR(conn->buf), &type);
 456
 457         matcher = sdb_strbuf_string(conn->buf) + sizeof(uint32_t);
 458         matcher_len = conn->cmd_len - sizeof(uint32_t);
 459         m = sdb_parser_parse_conditional((int)type,
 460                         matcher, (int)matcher_len, conn->errbuf);
 461         if (! m) {
 462                 char expr[matcher_len + 1];
 463                 char err[sdb_strbuf_len(conn->errbuf) + sizeof(expr) + 64];
 464                 strncpy(expr, matcher, sizeof(expr));
 465                 expr[sizeof(expr) - 1] = '\0';
 466                 snprintf(err, sizeof(err), "Failed to parse lookup condition '%s': %s",
 467                                 expr, sdb_strbuf_string(conn->errbuf));
 468                 sdb_log(SDB_LOG_ERR, "frontend: %s", err);
 469                 sdb_strbuf_sprintf(conn->errbuf, "%s", err);
 470                 return -1;
 471         }
 472
 473         ast = sdb_ast_lookup_create((int)type, m, /* filter = */ NULL);
 474         status = exec_cmd(conn, ast);
 475         if (! ast)
 476                 sdb_object_deref(SDB_OBJ(m));
 477         sdb_object_deref(SDB_OBJ(ast));
 478         return status;
 479 } /* sdb_conn_lookup */
 480
 481 int
 482 sdb_conn_store(sdb_conn_t *conn)
 483 {
 484         sdb_ast_node_t *ast = NULL;
 485         const char *buf = sdb_strbuf_string(conn->buf);
 486         size_t len = conn->cmd_len;
 487         uint32_t type;
 488         ssize_t n;
 489         int status;
 490
 491         if ((! conn) || (conn->cmd != SDB_CONNECTION_STORE))
 492                 return -1;
 493
 494         if ((n = sdb_proto_unmarshal_int32(buf, len, &type)) < 0) {
 495                 sdb_log(SDB_LOG_ERR, "frontend: Invalid command length %zu for "
 496                                 "STORE command", len);
 497                 sdb_strbuf_sprintf(conn->errbuf,
 498                                 "STORE: Invalid command length %zu", len);
 499                 return -1;
 500         }
 501
 502         switch (type) {
 503                 case SDB_HOST:
 504                 {
 505                         sdb_proto_host_t host;
 506                         if (sdb_proto_unmarshal_host(buf, len, &host) < 0) {
 507                                 sdb_strbuf_sprintf(conn->errbuf,
 508                                                 "STORE: Failed to unmarshal host object");
 509                                 return -1;
 510                         }
 511                         ast = sdb_ast_store_create(SDB_HOST, /* host */ NULL,
 512                                         /* parent */ 0, NULL, sstrdup(host.name), host.last_update,
 513                                         /* metric store */ NULL, NULL, SDB_DATA_NULL);
 514                 }
 515                 break;
 516
 517                 case SDB_SERVICE:
 518                 {
 519                         sdb_proto_service_t svc;
 520                         if (sdb_proto_unmarshal_service(buf, len, &svc) < 0) {
 521                                 sdb_strbuf_sprintf(conn->errbuf,
 522                                                 "STORE: Failed to unmarshal service object");
 523                                 return -1;
 524                         }
 525                         ast = sdb_ast_store_create(SDB_SERVICE, sstrdup(svc.hostname),
 526                                         /* parent */ 0, NULL, sstrdup(svc.name), svc.last_update,
 527                                         /* metric store */ NULL, NULL, SDB_DATA_NULL);
 528                 }
 529                 break;
 530
 531                 case SDB_METRIC:
 532                 {
 533                         sdb_proto_metric_t metric;
 534                         if (sdb_proto_unmarshal_metric(buf, len, &metric) < 0) {
 535                                 sdb_strbuf_sprintf(conn->errbuf,
 536                                                 "STORE: Failed to unmarshal metric object");
 537                                 return -1;
 538                         }
 539                         ast = sdb_ast_store_create(SDB_METRIC, sstrdup(metric.hostname),
 540                                         /* parent */ 0, NULL, sstrdup(metric.name), metric.last_update,
 541                                         sstrdup(metric.store_type), sstrdup(metric.store_id),
 542                                         SDB_DATA_NULL);
 543                 }
 544                 break;
 545         }
 546
 547         if (type & SDB_ATTRIBUTE) {
 548                 sdb_proto_attribute_t attr;
 549                 const char *hostname, *parent;
 550                 int parent_type;
 551                 if (sdb_proto_unmarshal_attribute(buf, len, &attr) < 0) {
 552                         sdb_strbuf_sprintf(conn->errbuf,
 553                                         "STORE: Failed to unmarshal attribute object");
 554                         return -1;
 555                 }
 556                 if (attr.parent_type == SDB_HOST) {
 557                         hostname = attr.parent;
 558                         parent_type = 0;
 559                         parent = NULL;
 560                 }
 561                 else {
 562                         hostname = attr.hostname;
 563                         parent_type = attr.parent_type;
 564                         parent = attr.parent;
 565                 }
 566                 ast = sdb_ast_store_create(SDB_ATTRIBUTE, sstrdup(hostname),
 567                                 parent_type, sstrdup(parent), sstrdup(attr.key),
 568                                 attr.last_update, /* metric store */ NULL, NULL,
 569                                 attr.value);
 570         }
 571
 572         if (! ast) {
 573                 sdb_log(SDB_LOG_ERR, "frontend: Invalid object type %d for "
 574                                 "STORE COMMAND", type);
 575                 sdb_strbuf_sprintf(conn->errbuf, "STORE: Invalid object type %d", type);
 576                 return -1;
 577         }
 578
 579         status = sdb_parser_analyze(ast, conn->errbuf);
 580         if (! status)
 581                 status = exec_cmd(conn, ast);
 582         sdb_object_deref(SDB_OBJ(ast));
 583         return status;
 584 } /* sdb_conn_store */
 585
 586 /* vim: set tw=78 sw=4 ts=4 noexpandtab : */
 587