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  * TODO: FETCH should allow to ignore child elements (attributes); then, we'd
  50  * only need store_host/store_metric.
  51  */
  52
  53 typedef struct {
  54         char *type;
  55         char *id;
  56 } metric_store_t;
  57
  58 static int
  59 metric_fetcher_host(sdb_store_host_t __attribute__((unused)) *host,
  60                 sdb_object_t __attribute__((unused)) *user_data)
  61 {
  62         return 0;
  63 } /* metric_fetcher_host */
  64
  65 static int
  66 metric_fetcher_metric(sdb_store_metric_t *metric, sdb_object_t *user_data)
  67 {
  68         metric_store_t *st = SDB_OBJ_WRAPPER(user_data)->data;
  69
  70         if ((! metric->store.type) || (! metric->store.id))
  71                 return 0;
  72
  73         st->type = strdup(metric->store.type);
  74         st->id = strdup(metric->store.id);
  75         if ((! st->type) || (! st->id))
  76                 return -1;
  77         return 0;
  78 } /* metric_fetcher_metric */
  79
  80 static int
  81 metric_fetcher_attr(sdb_store_attribute_t __attribute__((unused)) *attr,
  82                 sdb_object_t __attribute__((unused)) *user_data)
  83 {
  84         return 0;
  85 } /* metric_fetcher_attr */
  86
  87 static sdb_store_writer_t metric_fetcher = {
  88         metric_fetcher_host, NULL, metric_fetcher_metric, metric_fetcher_attr,
  89 };
  90
  91 /*
  92  * private helper functions
  93  */
  94
  95 static char *
  96 sstrdup(const char *s)
  97 {
  98         return s ? strdup(s) : NULL;
  99 } /* sstrdup */
 100
 101 static size_t
 102 sstrlen(const char *s)
 103 {
 104         return s ? strlen(s) : 0;
 105 } /* sstrlen */
 106
 107 static int
 108 exec_query(sdb_ast_node_t *ast, sdb_strbuf_t *buf, sdb_strbuf_t *errbuf)
 109 {
 110         sdb_store_json_formatter_t *f;
 111         int type = 0, flags = 0;
 112         uint32_t res_type = 0;
 113         int status;
 114
 115         switch (ast->type) {
 116         case SDB_AST_TYPE_FETCH:
 117                 type = SDB_AST_FETCH(ast)->obj_type;
 118                 res_type = htonl(SDB_CONNECTION_FETCH);
 119                 break;
 120         case SDB_AST_TYPE_LIST:
 121                 type = SDB_AST_LIST(ast)->obj_type;
 122                 flags = SDB_WANT_ARRAY;
 123                 res_type = htonl(SDB_CONNECTION_LIST);
 124                 break;
 125         case SDB_AST_TYPE_LOOKUP:
 126                 type = SDB_AST_LOOKUP(ast)->obj_type;
 127                 flags = SDB_WANT_ARRAY;
 128                 res_type = htonl(SDB_CONNECTION_LOOKUP);
 129                 break;
 130         default:
 131                 sdb_strbuf_sprintf(errbuf, "invalid command %s (%#x)",
 132                                 SDB_AST_TYPE_TO_STRING(ast), ast->type);
 133                 return -1;
 134         }
 135
 136         f = sdb_store_json_formatter(buf, type, flags);
 137         sdb_strbuf_memcpy(buf, &res_type, sizeof(res_type));
 138         status = sdb_plugin_query(ast, &sdb_store_json_writer, SDB_OBJ(f), errbuf);
 139         if (status < 0)
 140                 sdb_strbuf_clear(buf);
 141         sdb_store_json_finish(f);
 142         sdb_object_deref(SDB_OBJ(f));
 143         return status;
 144 } /* exec_query */
 145
 146 static int
 147 exec_store(sdb_ast_store_t *st, sdb_strbuf_t *buf, sdb_strbuf_t *errbuf)
 148 {
 149         char name[sstrlen(st->hostname) + sstrlen(st->parent) + sstrlen(st->name) + 3];
 150         sdb_metric_store_t metric_store;
 151         int type = st->obj_type, status = -1;
 152
 153         switch (st->obj_type) {
 154         case SDB_HOST:
 155                 strncpy(name, st->name, sizeof(name));
 156                 status = sdb_plugin_store_host(st->name, st->last_update);
 157                 break;
 158
 159         case SDB_SERVICE:
 160                 snprintf(name, sizeof(name), "%s.%s", st->hostname, st->name);
 161                 status = sdb_plugin_store_service(st->hostname, st->name, st->last_update);
 162                 break;
 163
 164         case SDB_METRIC:
 165                 snprintf(name, sizeof(name), "%s.%s", st->hostname, st->name);
 166                 metric_store.type = st->store_type;
 167                 metric_store.id = st->store_id;
 168                 status = sdb_plugin_store_metric(st->hostname, st->name,
 169                                 &metric_store, st->last_update);
 170                 break;
 171
 172         case SDB_ATTRIBUTE:
 173                 type |= st->parent_type;
 174
 175                 if (st->parent)
 176                         snprintf(name, sizeof(name), "%s.%s.%s",
 177                                         st->hostname, st->parent, st->name);
 178                 else
 179                         snprintf(name, sizeof(name), "%s.%s", st->hostname, st->name);
 180
 181                 switch (st->parent_type) {
 182                 case 0:
 183                         type |= SDB_HOST;
 184                         status = sdb_plugin_store_attribute(st->hostname,
 185                                         st->name, &st->value, st->last_update);
 186                         break;
 187
 188                 case SDB_SERVICE:
 189                         status = sdb_plugin_store_service_attribute(st->hostname, st->parent,
 190                                         st->name, &st->value, st->last_update);
 191                         break;
 192
 193                 case SDB_METRIC:
 194                         status = sdb_plugin_store_metric_attribute(st->hostname, st->parent,
 195                                         st->name, &st->value, st->last_update);
 196                         break;
 197
 198                 default:
 199                         sdb_log(SDB_LOG_ERR, "store: Invalid parent type in STORE: %s",
 200                                         SDB_STORE_TYPE_TO_NAME(st->parent_type));
 201                         return -1;
 202                 }
 203                 break;
 204
 205         default:
 206                 sdb_log(SDB_LOG_ERR, "store: Invalid object type in STORE: %s",
 207                                 SDB_STORE_TYPE_TO_NAME(st->obj_type));
 208                 return -1;
 209         }
 210
 211         if (status < 0) {
 212                 sdb_strbuf_sprintf(errbuf, "STORE: Failed to store %s object",
 213                                 SDB_STORE_TYPE_TO_NAME(type));
 214                 return -1;
 215         }
 216
 217         if (! status) {
 218                 sdb_strbuf_sprintf(buf, "Successfully stored %s %s",
 219                                 SDB_STORE_TYPE_TO_NAME(type), name);
 220         }
 221         else {
 222                 char type_str[32];
 223                 strncpy(type_str, SDB_STORE_TYPE_TO_NAME(type), sizeof(type_str));
 224                 type_str[0] = (char)toupper((int)type_str[0]);
 225                 sdb_strbuf_sprintf(buf, "%s %s already up to date", type_str, name);
 226         }
 227
 228         return SDB_CONNECTION_OK;
 229 } /* exec_store */
 230
 231 static int
 232 exec_timeseries(sdb_ast_timeseries_t *ts, sdb_strbuf_t *buf, sdb_strbuf_t *errbuf)
 233 {
 234         metric_store_t st = { NULL, NULL };
 235         sdb_object_wrapper_t obj = SDB_OBJECT_WRAPPER_STATIC(&st);
 236         sdb_ast_fetch_t fetch = SDB_AST_FETCH_INIT;
 237         sdb_timeseries_opts_t opts = { 0, 0 };
 238         sdb_timeseries_t *series = NULL;
 239         int status;
 240
 241         if ((! ts) || (! ts->hostname) || (! ts->metric))
 242                 return -1;
 243
 244         fetch.obj_type = SDB_METRIC;
 245         fetch.hostname = strdup(ts->hostname);
 246         fetch.name = strdup(ts->metric);
 247         opts.start = ts->start;
 248         opts.end = ts->end;
 249
 250         status = sdb_plugin_query(SDB_AST_NODE(&fetch),
 251                         &metric_fetcher, SDB_OBJ(&obj), errbuf);
 252         if ((status < 0) || (! st.type) || (! st.id)) {
 253                 sdb_log(SDB_LOG_ERR, "frontend: Failed to fetch time-series '%s/%s' "
 254                                 "- no data-store configured for the stored metric",
 255                                 ts->hostname, ts->metric);
 256                 status = -1;
 257         }
 258         if (status >= 0) {
 259                 series = sdb_plugin_fetch_timeseries(st.type, st.id, &opts);
 260                 if (! series) {
 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         if (status >= 0) {
 269                 sdb_timeseries_tojson(series, buf);
 270                 sdb_timeseries_destroy(series);
 271         }
 272
 273         free(fetch.hostname);
 274         free(fetch.name);
 275         if (st.type)
 276                 free(st.type);
 277         if (st.id)
 278                 free(st.id);
 279         return status;
 280 } /* exec_timeseries */
 281
 282 static int
 283 exec_cmd(sdb_conn_t *conn, sdb_ast_node_t *ast)
 284 {
 285         sdb_strbuf_t *buf;
 286         int status;
 287
 288         if (! ast) {
 289                 sdb_strbuf_sprintf(conn->errbuf, "out of memory");
 290                 return -1;
 291         }
 292
 293         buf = sdb_strbuf_create(1024);
 294         if (! buf) {
 295                 sdb_strbuf_sprintf(conn->errbuf, "Out of memory");
 296                 return -1;
 297         }
 298
 299         if (ast->type == SDB_AST_TYPE_STORE)
 300                 status = exec_store(SDB_AST_STORE(ast), buf, conn->errbuf);
 301         else if (ast->type == SDB_AST_TYPE_TIMESERIES)
 302                 status = exec_timeseries(SDB_AST_TIMESERIES(ast), buf, conn->errbuf);
 303         else
 304                 status = exec_query(ast, buf, conn->errbuf);
 305
 306         if (status < 0) {
 307                 char query[conn->cmd_len + 1];
 308                 strncpy(query, sdb_strbuf_string(conn->buf), conn->cmd_len);
 309                 query[sizeof(query) - 1] = '\0';
 310                 sdb_log(SDB_LOG_ERR, "frontend: failed to execute query '%s'", query);
 311         }
 312         else
 313                 sdb_connection_send(conn, status,
 314                                 (uint32_t)sdb_strbuf_len(buf), sdb_strbuf_string(buf));
 315
 316         sdb_strbuf_destroy(buf);
 317         return status < 0 ? status : 0;
 318 } /* exec_cmd */
 319
 320 /*
 321  * public API
 322  */
 323
 324 int
 325 sdb_conn_query(sdb_conn_t *conn)
 326 {
 327         sdb_llist_t *parsetree;
 328         sdb_ast_node_t *ast = NULL;
 329         int status = 0;
 330
 331         if ((! conn) || (conn->cmd != SDB_CONNECTION_QUERY))
 332                 return -1;
 333
 334         parsetree = sdb_parser_parse(sdb_strbuf_string(conn->buf),
 335                         (int)conn->cmd_len, conn->errbuf);
 336         if (! parsetree) {
 337                 char query[conn->cmd_len + 1];
 338                 strncpy(query, sdb_strbuf_string(conn->buf), conn->cmd_len);
 339                 query[sizeof(query) - 1] = '\0';
 340                 sdb_log(SDB_LOG_ERR, "frontend: Failed to parse query '%s': %s",
 341                                 query, sdb_strbuf_string(conn->errbuf));
 342                 return -1;
 343         }
 344
 345         switch (sdb_llist_len(parsetree)) {
 346                 case 0:
 347                         /* skipping empty command; send back an empty reply */
 348                         sdb_connection_send(conn, SDB_CONNECTION_DATA, 0, NULL);
 349                         break;
 350                 case 1:
 351                         ast = SDB_AST_NODE(sdb_llist_get(parsetree, 0));
 352                         break;
 353
 354                 default:
 355                         {
 356                                 char query[conn->cmd_len + 1];
 357                                 strncpy(query, sdb_strbuf_string(conn->buf), conn->cmd_len);
 358                                 query[sizeof(query) - 1] = '\0';
 359                                 sdb_log(SDB_LOG_WARNING, "frontend: Ignoring %zu command%s "
 360                                                 "in multi-statement query '%s'",
 361                                                 sdb_llist_len(parsetree) - 1,
 362                                                 sdb_llist_len(parsetree) == 2 ? "" : "s",
 363                                                 query);
 364                                 ast = SDB_AST_NODE(sdb_llist_get(parsetree, 0));
 365                         }
 366         }
 367
 368         if (ast) {
 369                 status = exec_cmd(conn, ast);
 370                 sdb_object_deref(SDB_OBJ(ast));
 371         }
 372         sdb_llist_destroy(parsetree);
 373         return status;
 374 } /* sdb_conn_query */
 375
 376 int
 377 sdb_conn_fetch(sdb_conn_t *conn)
 378 {
 379         sdb_ast_node_t *ast;
 380         char hostname[conn->cmd_len + 1];
 381         char name[conn->cmd_len + 1];
 382         uint32_t type;
 383         int status;
 384
 385         if ((! conn) || (conn->cmd != SDB_CONNECTION_FETCH))
 386                 return -1;
 387
 388         if (conn->cmd_len < sizeof(uint32_t)) {
 389                 sdb_log(SDB_LOG_ERR, "frontend: Invalid command length %d for "
 390                                 "FETCH command", conn->cmd_len);
 391                 sdb_strbuf_sprintf(conn->errbuf, "FETCH: Invalid command length %d",
 392                                 conn->cmd_len);
 393                 return -1;
 394         }
 395
 396         /* TODO: support other types besides hosts */
 397         hostname[0] = '\0';
 398
 399         sdb_proto_unmarshal_int32(SDB_STRBUF_STR(conn->buf), &type);
 400         strncpy(name, sdb_strbuf_string(conn->buf) + sizeof(uint32_t),
 401                         conn->cmd_len - sizeof(uint32_t));
 402         name[sizeof(name) - 1] = '\0';
 403
 404         ast = sdb_ast_fetch_create((int)type,
 405                         hostname[0] ? strdup(hostname) : NULL,
 406                         name[0] ? strdup(name) : NULL,
 407                         /* filter = */ NULL);
 408         status = exec_cmd(conn, ast);
 409         sdb_object_deref(SDB_OBJ(ast));
 410         return status;
 411 } /* sdb_conn_fetch */
 412
 413 int
 414 sdb_conn_list(sdb_conn_t *conn)
 415 {
 416         sdb_ast_node_t *ast;
 417         uint32_t type = SDB_HOST;
 418         int status;
 419
 420         if ((! conn) || (conn->cmd != SDB_CONNECTION_LIST))
 421                 return -1;
 422
 423         if (conn->cmd_len == sizeof(uint32_t))
 424                 sdb_proto_unmarshal_int32(SDB_STRBUF_STR(conn->buf), &type);
 425         else if (conn->cmd_len) {
 426                 sdb_log(SDB_LOG_ERR, "frontend: Invalid command length %d for "
 427                                 "LIST command", conn->cmd_len);
 428                 sdb_strbuf_sprintf(conn->errbuf, "LIST: Invalid command length %d",
 429                                 conn->cmd_len);
 430                 return -1;
 431         }
 432
 433         ast = sdb_ast_list_create((int)type, /* filter = */ NULL);
 434         status = exec_cmd(conn, ast);
 435         sdb_object_deref(SDB_OBJ(ast));
 436         return status;
 437 } /* sdb_conn_list */
 438
 439 int
 440 sdb_conn_lookup(sdb_conn_t *conn)
 441 {
 442         sdb_ast_node_t *ast, *m;
 443         const char *matcher;
 444         size_t matcher_len;
 445
 446         uint32_t type;
 447         int status;
 448
 449         if ((! conn) || (conn->cmd != SDB_CONNECTION_LOOKUP))
 450                 return -1;
 451
 452         if (conn->cmd_len < sizeof(uint32_t)) {
 453                 sdb_log(SDB_LOG_ERR, "frontend: Invalid command length %d for "
 454                                 "LOOKUP command", conn->cmd_len);
 455                 sdb_strbuf_sprintf(conn->errbuf, "LOOKUP: Invalid command length %d",
 456                                 conn->cmd_len);
 457                 return -1;
 458         }
 459         sdb_proto_unmarshal_int32(SDB_STRBUF_STR(conn->buf), &type);
 460
 461         matcher = sdb_strbuf_string(conn->buf) + sizeof(uint32_t);
 462         matcher_len = conn->cmd_len - sizeof(uint32_t);
 463         m = sdb_parser_parse_conditional((int)type,
 464                         matcher, (int)matcher_len, conn->errbuf);
 465         if (! m) {
 466                 char expr[matcher_len + 1];
 467                 char err[sdb_strbuf_len(conn->errbuf) + sizeof(expr) + 64];
 468                 strncpy(expr, matcher, sizeof(expr));
 469                 expr[sizeof(expr) - 1] = '\0';
 470                 snprintf(err, sizeof(err), "Failed to parse lookup condition '%s': %s",
 471                                 expr, sdb_strbuf_string(conn->errbuf));
 472                 sdb_log(SDB_LOG_ERR, "frontend: %s", err);
 473                 sdb_strbuf_sprintf(conn->errbuf, "%s", err);
 474                 return -1;
 475         }
 476
 477         ast = sdb_ast_lookup_create((int)type, m, /* filter = */ NULL);
 478         status = exec_cmd(conn, ast);
 479         if (! ast)
 480                 sdb_object_deref(SDB_OBJ(m));
 481         sdb_object_deref(SDB_OBJ(ast));
 482         return status;
 483 } /* sdb_conn_lookup */
 484
 485 int
 486 sdb_conn_store(sdb_conn_t *conn)
 487 {
 488         sdb_ast_node_t *ast;
 489         const char *buf = sdb_strbuf_string(conn->buf);
 490         size_t len = conn->cmd_len;
 491         uint32_t type;
 492         ssize_t n;
 493         int status;
 494
 495         if ((! conn) || (conn->cmd != SDB_CONNECTION_STORE))
 496                 return -1;
 497
 498         if ((n = sdb_proto_unmarshal_int32(buf, len, &type)) < 0) {
 499                 sdb_log(SDB_LOG_ERR, "frontend: Invalid command length %zu for "
 500                                 "STORE command", len);
 501                 sdb_strbuf_sprintf(conn->errbuf,
 502                                 "STORE: Invalid command length %zu", len);
 503                 return -1;
 504         }
 505
 506         switch (type) {
 507                 case SDB_HOST:
 508                 {
 509                         sdb_proto_host_t host;
 510                         if (sdb_proto_unmarshal_host(buf, len, &host) < 0) {
 511                                 sdb_strbuf_sprintf(conn->errbuf,
 512                                                 "STORE: Failed to unmarshal host object");
 513                                 return -1;
 514                         }
 515                         ast = sdb_ast_store_create(SDB_HOST, /* host */ NULL,
 516                                         /* parent */ 0, NULL, sstrdup(host.name), host.last_update,
 517                                         /* metric store */ NULL, NULL, SDB_DATA_NULL);
 518                 }
 519                 break;
 520
 521                 case SDB_SERVICE:
 522                 {
 523                         sdb_proto_service_t svc;
 524                         if (sdb_proto_unmarshal_service(buf, len, &svc) < 0) {
 525                                 sdb_strbuf_sprintf(conn->errbuf,
 526                                                 "STORE: Failed to unmarshal service object");
 527                                 return -1;
 528                         }
 529                         ast = sdb_ast_store_create(SDB_SERVICE, sstrdup(svc.hostname),
 530                                         /* parent */ 0, NULL, sstrdup(svc.name), svc.last_update,
 531                                         /* metric store */ NULL, NULL, SDB_DATA_NULL);
 532                 }
 533                 break;
 534
 535                 case SDB_METRIC:
 536                 {
 537                         sdb_proto_metric_t metric;
 538                         if (sdb_proto_unmarshal_metric(buf, len, &metric) < 0) {
 539                                 sdb_strbuf_sprintf(conn->errbuf,
 540                                                 "STORE: Failed to unmarshal metric object");
 541                                 return -1;
 542                         }
 543                         ast = sdb_ast_store_create(SDB_METRIC, sstrdup(metric.hostname),
 544                                         /* parent */ 0, NULL, sstrdup(metric.name), metric.last_update,
 545                                         sstrdup(metric.store_type), sstrdup(metric.store_id),
 546                                         SDB_DATA_NULL);
 547                 }
 548                 break;
 549         }
 550
 551         if (type & SDB_ATTRIBUTE) {
 552                 sdb_proto_attribute_t attr;
 553                 const char *hostname, *parent;
 554                 int parent_type;
 555                 if (sdb_proto_unmarshal_attribute(buf, len, &attr) < 0) {
 556                         sdb_strbuf_sprintf(conn->errbuf,
 557                                         "STORE: Failed to unmarshal attribute object");
 558                         return -1;
 559                 }
 560                 if (attr.parent_type == SDB_HOST) {
 561                         hostname = attr.parent;
 562                         parent_type = 0;
 563                         parent = NULL;
 564                 }
 565                 else {
 566                         hostname = attr.hostname;
 567                         parent_type = attr.parent_type;
 568                         parent = attr.parent;
 569                 }
 570                 ast = sdb_ast_store_create(SDB_ATTRIBUTE, sstrdup(hostname),
 571                                 parent_type, sstrdup(parent), sstrdup(attr.key),
 572                                 attr.last_update, /* metric store */ NULL, NULL,
 573                                 attr.value);
 574         }
 575
 576         if (! ast) {
 577                 sdb_log(SDB_LOG_ERR, "frontend: Invalid object type %d for "
 578                                 "STORE COMMAND", type);
 579                 sdb_strbuf_sprintf(conn->errbuf, "STORE: Invalid object type %d", type);
 580                 return -1;
 581         }
 582
 583         status = sdb_parser_analyze(ast, conn->errbuf);
 584         if (! status)
 585                 status = exec_cmd(conn, ast);
 586         sdb_object_deref(SDB_OBJ(ast));
 587         return status;
 588 } /* sdb_conn_store */
 589
 590 /* vim: set tw=78 sw=4 ts=4 noexpandtab : */
 591