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         sdb_time_t last_update = 0;
  69         size_t idx = 0, i;
  70
  71         if (! metric->stores_num)
  72                 return -1;
  73
  74         /* Find the most up to date data store.
  75          * TODO: Consider merging multiple results? */
  76         for (i = 0; i < metric->stores_num; ++i) {
  77                 if (metric->stores[i].last_update > last_update) {
  78                         last_update = metric->stores[i].last_update;
  79                         idx = i;
  80                 }
  81         }
  82         st->type = strdup(metric->stores[idx].type);
  83         st->id = strdup(metric->stores[idx].id);
  84         st->last_update = metric->stores[idx].last_update;
  85         return 0;
  86 } /* metric_fetcher_metric */
  87
  88 static sdb_store_writer_t metric_fetcher = {
  89         metric_fetcher_host, NULL, metric_fetcher_metric, NULL,
  90 };
  91
  92 /*
  93  * private helper functions
  94  */
  95
  96 static char *
  97 sstrdup(const char *s)
  98 {
  99         return s ? strdup(s) : NULL;
 100 } /* sstrdup */
 101
 102 static size_t
 103 sstrlen(const char *s)
 104 {
 105         return s ? strlen(s) : 0;
 106 } /* sstrlen */
 107
 108 static int
 109 exec_query(sdb_ast_node_t *ast, sdb_strbuf_t *buf, sdb_strbuf_t *errbuf)
 110 {
 111         sdb_store_json_formatter_t *f;
 112         int type = 0, flags = 0;
 113         uint32_t res_type = 0;
 114         int status;
 115
 116         switch (ast->type) {
 117         case SDB_AST_TYPE_FETCH:
 118                 type = SDB_AST_FETCH(ast)->obj_type;
 119                 res_type = htonl(SDB_CONNECTION_FETCH);
 120                 break;
 121         case SDB_AST_TYPE_LIST:
 122                 type = SDB_AST_LIST(ast)->obj_type;
 123                 flags = SDB_WANT_ARRAY;
 124                 res_type = htonl(SDB_CONNECTION_LIST);
 125                 break;
 126         case SDB_AST_TYPE_LOOKUP:
 127                 type = SDB_AST_LOOKUP(ast)->obj_type;
 128                 flags = SDB_WANT_ARRAY;
 129                 res_type = htonl(SDB_CONNECTION_LOOKUP);
 130                 break;
 131         default:
 132                 sdb_strbuf_sprintf(errbuf, "invalid command %s (%#x)",
 133                                 SDB_AST_TYPE_TO_STRING(ast), ast->type);
 134                 return -1;
 135         }
 136
 137         f = sdb_store_json_formatter(buf, type, flags);
 138         sdb_strbuf_memcpy(buf, &res_type, sizeof(res_type));
 139         status = sdb_plugin_query(ast, &sdb_store_json_writer, SDB_OBJ(f), errbuf);
 140         if (status < 0)
 141                 sdb_strbuf_clear(buf);
 142         sdb_store_json_finish(f);
 143         sdb_object_deref(SDB_OBJ(f));
 144         return status;
 145 } /* exec_query */
 146
 147 static int
 148 exec_store(sdb_ast_store_t *st, sdb_strbuf_t *buf, sdb_strbuf_t *errbuf)
 149 {
 150         char name[sstrlen(st->hostname) + sstrlen(st->parent) + sstrlen(st->name) + 3];
 151         sdb_metric_store_t metric_store;
 152         int type = st->obj_type, status = -1;
 153
 154         switch (st->obj_type) {
 155         case SDB_HOST:
 156                 strncpy(name, st->name, sizeof(name));
 157                 status = sdb_plugin_store_host(st->name, st->last_update);
 158                 break;
 159
 160         case SDB_SERVICE:
 161                 snprintf(name, sizeof(name), "%s.%s", st->hostname, st->name);
 162                 status = sdb_plugin_store_service(st->hostname, st->name, st->last_update);
 163                 break;
 164
 165         case SDB_METRIC:
 166                 snprintf(name, sizeof(name), "%s.%s", st->hostname, st->name);
 167                 metric_store.type = st->store_type;
 168                 metric_store.id = st->store_id;
 169                 metric_store.last_update = st->store_last_update;
 170                 status = sdb_plugin_store_metric(st->hostname, st->name,
 171                                 &metric_store, st->last_update);
 172                 break;
 173
 174         case SDB_ATTRIBUTE:
 175                 type |= st->parent_type;
 176
 177                 if (st->parent)
 178                         snprintf(name, sizeof(name), "%s.%s.%s",
 179                                         st->hostname, st->parent, st->name);
 180                 else
 181                         snprintf(name, sizeof(name), "%s.%s", st->hostname, st->name);
 182
 183                 switch (st->parent_type) {
 184                 case 0:
 185                         type |= SDB_HOST;
 186                         status = sdb_plugin_store_attribute(st->hostname,
 187                                         st->name, &st->value, st->last_update);
 188                         break;
 189
 190                 case SDB_SERVICE:
 191                         status = sdb_plugin_store_service_attribute(st->hostname, st->parent,
 192                                         st->name, &st->value, st->last_update);
 193                         break;
 194
 195                 case SDB_METRIC:
 196                         status = sdb_plugin_store_metric_attribute(st->hostname, st->parent,
 197                                         st->name, &st->value, st->last_update);
 198                         break;
 199
 200                 default:
 201                         sdb_log(SDB_LOG_ERR, "store: Invalid parent type in STORE: %s",
 202                                         SDB_STORE_TYPE_TO_NAME(st->parent_type));
 203                         return -1;
 204                 }
 205                 break;
 206
 207         default:
 208                 sdb_log(SDB_LOG_ERR, "store: Invalid object type in STORE: %s",
 209                                 SDB_STORE_TYPE_TO_NAME(st->obj_type));
 210                 return -1;
 211         }
 212
 213         if (status < 0) {
 214                 sdb_strbuf_sprintf(errbuf, "STORE: Failed to store %s object",
 215                                 SDB_STORE_TYPE_TO_NAME(type));
 216                 return -1;
 217         }
 218
 219         if (! status) {
 220                 sdb_strbuf_sprintf(buf, "Successfully stored %s %s",
 221                                 SDB_STORE_TYPE_TO_NAME(type), name);
 222         }
 223         else {
 224                 char type_str[32];
 225                 strncpy(type_str, SDB_STORE_TYPE_TO_NAME(type), sizeof(type_str));
 226                 type_str[0] = (char)toupper((int)type_str[0]);
 227                 sdb_strbuf_sprintf(buf, "%s %s already up to date", type_str, name);
 228         }
 229
 230         return SDB_CONNECTION_OK;
 231 } /* exec_store */
 232
 233 static int
 234 exec_timeseries(sdb_ast_timeseries_t *ts, sdb_strbuf_t *buf, sdb_strbuf_t *errbuf)
 235 {
 236         metric_store_t st = { NULL, NULL, 0 };
 237         sdb_object_wrapper_t obj = SDB_OBJECT_WRAPPER_STATIC(&st);
 238         sdb_ast_fetch_t fetch = SDB_AST_FETCH_INIT;
 239         sdb_timeseries_opts_t opts = { 0, 0 };
 240         sdb_timeseries_t *series = NULL;
 241         int status;
 242
 243         if ((! ts) || (! ts->hostname) || (! ts->metric))
 244                 return -1;
 245
 246         fetch.obj_type = SDB_METRIC;
 247         fetch.hostname = strdup(ts->hostname);
 248         fetch.name = strdup(ts->metric);
 249         opts.start = ts->start;
 250         opts.end = ts->end;
 251
 252         status = sdb_plugin_query(SDB_AST_NODE(&fetch),
 253                         &metric_fetcher, SDB_OBJ(&obj), errbuf);
 254         if ((status < 0) || (! st.type) || (! st.id)) {
 255                 sdb_log(SDB_LOG_ERR, "frontend: Failed to fetch time-series '%s/%s' "
 256                                 "- no data-store configured for the stored metric",
 257                                 ts->hostname, ts->metric);
 258                 status = -1;
 259         }
 260         if (status >= 0) {
 261                 series = sdb_plugin_fetch_timeseries(st.type, st.id, &opts);
 262                 if (series) {
 263                         uint32_t res_type = htonl(SDB_CONNECTION_TIMESERIES);
 264                         sdb_strbuf_memcpy(buf, &res_type, sizeof(res_type));
 265                         sdb_timeseries_tojson(series, buf);
 266                         sdb_timeseries_destroy(series);
 267                 }
 268                 else {
 269                         sdb_log(SDB_LOG_ERR, "frontend: Failed to fetch time-series '%s/%s' "
 270                                         "- %s fetcher callback returned no data for '%s'",
 271                                         ts->hostname, ts->metric, st.type, st.id);
 272                         status = -1;
 273                 }
 274         }
 275
 276         free(fetch.hostname);
 277         free(fetch.name);
 278         if (st.type)
 279                 free(st.type);
 280         if (st.id)
 281                 free(st.id);
 282         return status;
 283 } /* exec_timeseries */
 284
 285 static int
 286 exec_cmd(sdb_conn_t *conn, sdb_ast_node_t *ast)
 287 {
 288         sdb_strbuf_t *buf;
 289         int status;
 290
 291         if (! ast) {
 292                 sdb_strbuf_sprintf(conn->errbuf, "out of memory");
 293                 return -1;
 294         }
 295
 296         buf = sdb_strbuf_create(1024);
 297         if (! buf) {
 298                 sdb_strbuf_sprintf(conn->errbuf, "Out of memory");
 299                 return -1;
 300         }
 301
 302         if (ast->type == SDB_AST_TYPE_STORE)
 303                 status = exec_store(SDB_AST_STORE(ast), buf, conn->errbuf);
 304         else if (ast->type == SDB_AST_TYPE_TIMESERIES)
 305                 status = exec_timeseries(SDB_AST_TIMESERIES(ast), buf, conn->errbuf);
 306         else
 307                 status = exec_query(ast, buf, conn->errbuf);
 308
 309         if (status < 0) {
 310                 char query[conn->cmd_len + 1];
 311                 strncpy(query, sdb_strbuf_string(conn->buf), conn->cmd_len);
 312                 query[sizeof(query) - 1] = '\0';
 313                 sdb_log(SDB_LOG_ERR, "frontend: failed to execute query '%s'", query);
 314         }
 315         else
 316                 sdb_connection_send(conn, status,
 317                                 (uint32_t)sdb_strbuf_len(buf), sdb_strbuf_string(buf));
 318
 319         sdb_strbuf_destroy(buf);
 320         return status < 0 ? status : 0;
 321 } /* exec_cmd */
 322
 323 /*
 324  * public API
 325  */
 326
 327 int
 328 sdb_conn_query(sdb_conn_t *conn)
 329 {
 330         sdb_llist_t *parsetree;
 331         sdb_ast_node_t *ast = NULL;
 332         int status = 0;
 333
 334         if ((! conn) || (conn->cmd != SDB_CONNECTION_QUERY))
 335                 return -1;
 336
 337         parsetree = sdb_parser_parse(sdb_strbuf_string(conn->buf),
 338                         (int)conn->cmd_len, conn->errbuf);
 339         if (! parsetree) {
 340                 char query[conn->cmd_len + 1];
 341                 strncpy(query, sdb_strbuf_string(conn->buf), conn->cmd_len);
 342                 query[sizeof(query) - 1] = '\0';
 343                 sdb_log(SDB_LOG_ERR, "frontend: Failed to parse query '%s': %s",
 344                                 query, sdb_strbuf_string(conn->errbuf));
 345                 return -1;
 346         }
 347
 348         switch (sdb_llist_len(parsetree)) {
 349                 case 0:
 350                         /* skipping empty command; send back an empty reply */
 351                         sdb_connection_send(conn, SDB_CONNECTION_DATA, 0, NULL);
 352                         break;
 353                 case 1:
 354                         ast = SDB_AST_NODE(sdb_llist_get(parsetree, 0));
 355                         break;
 356
 357                 default:
 358                         {
 359                                 char query[conn->cmd_len + 1];
 360                                 strncpy(query, sdb_strbuf_string(conn->buf), conn->cmd_len);
 361                                 query[sizeof(query) - 1] = '\0';
 362                                 sdb_log(SDB_LOG_WARNING, "frontend: Ignoring %zu command%s "
 363                                                 "in multi-statement query '%s'",
 364                                                 sdb_llist_len(parsetree) - 1,
 365                                                 sdb_llist_len(parsetree) == 2 ? "" : "s",
 366                                                 query);
 367                                 ast = SDB_AST_NODE(sdb_llist_get(parsetree, 0));
 368                         }
 369         }
 370
 371         if (ast) {
 372                 status = exec_cmd(conn, ast);
 373                 sdb_object_deref(SDB_OBJ(ast));
 374         }
 375         sdb_llist_destroy(parsetree);
 376         return status;
 377 } /* sdb_conn_query */
 378
 379 int
 380 sdb_conn_fetch(sdb_conn_t *conn)
 381 {
 382         sdb_ast_node_t *ast;
 383         char hostname[conn->cmd_len + 1];
 384         char name[conn->cmd_len + 1];
 385         uint32_t type;
 386         int status;
 387
 388         if ((! conn) || (conn->cmd != SDB_CONNECTION_FETCH))
 389                 return -1;
 390
 391         if (conn->cmd_len < sizeof(uint32_t)) {
 392                 sdb_log(SDB_LOG_ERR, "frontend: Invalid command length %d for "
 393                                 "FETCH command", conn->cmd_len);
 394                 sdb_strbuf_sprintf(conn->errbuf, "FETCH: Invalid command length %d",
 395                                 conn->cmd_len);
 396                 return -1;
 397         }
 398
 399         /* TODO: support other types besides hosts */
 400         hostname[0] = '\0';
 401
 402         sdb_proto_unmarshal_int32(SDB_STRBUF_STR(conn->buf), &type);
 403         strncpy(name, sdb_strbuf_string(conn->buf) + sizeof(uint32_t),
 404                         conn->cmd_len - sizeof(uint32_t));
 405         name[sizeof(name) - 1] = '\0';
 406
 407         ast = sdb_ast_fetch_create((int)type,
 408                         hostname[0] ? strdup(hostname) : NULL,
 409                         -1, NULL,
 410                         name[0] ? strdup(name) : NULL,
 411                         /* full */ 1, /* filter = */ NULL);
 412         status = exec_cmd(conn, ast);
 413         sdb_object_deref(SDB_OBJ(ast));
 414         return status;
 415 } /* sdb_conn_fetch */
 416
 417 int
 418 sdb_conn_list(sdb_conn_t *conn)
 419 {
 420         sdb_ast_node_t *ast;
 421         uint32_t type = SDB_HOST;
 422         int status;
 423
 424         if ((! conn) || (conn->cmd != SDB_CONNECTION_LIST))
 425                 return -1;
 426
 427         if (conn->cmd_len == sizeof(uint32_t))
 428                 sdb_proto_unmarshal_int32(SDB_STRBUF_STR(conn->buf), &type);
 429         else if (conn->cmd_len) {
 430                 sdb_log(SDB_LOG_ERR, "frontend: Invalid command length %d for "
 431                                 "LIST command", conn->cmd_len);
 432                 sdb_strbuf_sprintf(conn->errbuf, "LIST: Invalid command length %d",
 433                                 conn->cmd_len);
 434                 return -1;
 435         }
 436
 437         ast = sdb_ast_list_create((int)type, /* filter = */ NULL);
 438         status = exec_cmd(conn, ast);
 439         sdb_object_deref(SDB_OBJ(ast));
 440         return status;
 441 } /* sdb_conn_list */
 442
 443 int
 444 sdb_conn_lookup(sdb_conn_t *conn)
 445 {
 446         sdb_ast_node_t *ast, *m;
 447         const char *matcher;
 448         size_t matcher_len;
 449
 450         uint32_t type;
 451         int status;
 452
 453         if ((! conn) || (conn->cmd != SDB_CONNECTION_LOOKUP))
 454                 return -1;
 455
 456         if (conn->cmd_len < sizeof(uint32_t)) {
 457                 sdb_log(SDB_LOG_ERR, "frontend: Invalid command length %d for "
 458                                 "LOOKUP command", conn->cmd_len);
 459                 sdb_strbuf_sprintf(conn->errbuf, "LOOKUP: Invalid command length %d",
 460                                 conn->cmd_len);
 461                 return -1;
 462         }
 463         sdb_proto_unmarshal_int32(SDB_STRBUF_STR(conn->buf), &type);
 464
 465         matcher = sdb_strbuf_string(conn->buf) + sizeof(uint32_t);
 466         matcher_len = conn->cmd_len - sizeof(uint32_t);
 467         m = sdb_parser_parse_conditional((int)type,
 468                         matcher, (int)matcher_len, conn->errbuf);
 469         if (! m) {
 470                 char expr[matcher_len + 1];
 471                 char err[sdb_strbuf_len(conn->errbuf) + sizeof(expr) + 64];
 472                 strncpy(expr, matcher, sizeof(expr));
 473                 expr[sizeof(expr) - 1] = '\0';
 474                 snprintf(err, sizeof(err), "Failed to parse lookup condition '%s': %s",
 475                                 expr, sdb_strbuf_string(conn->errbuf));
 476                 sdb_log(SDB_LOG_ERR, "frontend: %s", err);
 477                 sdb_strbuf_sprintf(conn->errbuf, "%s", err);
 478                 return -1;
 479         }
 480
 481         ast = sdb_ast_lookup_create((int)type, m, /* filter = */ NULL);
 482         status = exec_cmd(conn, ast);
 483         if (! ast)
 484                 sdb_object_deref(SDB_OBJ(m));
 485         sdb_object_deref(SDB_OBJ(ast));
 486         return status;
 487 } /* sdb_conn_lookup */
 488
 489 int
 490 sdb_conn_store(sdb_conn_t *conn)
 491 {
 492         sdb_ast_node_t *ast = NULL;
 493         const char *buf = sdb_strbuf_string(conn->buf);
 494         size_t len = conn->cmd_len;
 495         uint32_t type;
 496         ssize_t n;
 497         int status;
 498
 499         if ((! conn) || (conn->cmd != SDB_CONNECTION_STORE))
 500                 return -1;
 501
 502         if ((n = sdb_proto_unmarshal_int32(buf, len, &type)) < 0) {
 503                 sdb_log(SDB_LOG_ERR, "frontend: Invalid command length %zu for "
 504                                 "STORE command", len);
 505                 sdb_strbuf_sprintf(conn->errbuf,
 506                                 "STORE: Invalid command length %zu", len);
 507                 return -1;
 508         }
 509
 510         switch (type) {
 511                 case SDB_HOST:
 512                 {
 513                         sdb_proto_host_t host;
 514                         if (sdb_proto_unmarshal_host(buf, len, &host) < 0) {
 515                                 sdb_strbuf_sprintf(conn->errbuf,
 516                                                 "STORE: Failed to unmarshal host object");
 517                                 return -1;
 518                         }
 519                         ast = sdb_ast_store_create(SDB_HOST, /* host */ NULL,
 520                                         /* parent */ 0, NULL, sstrdup(host.name), host.last_update,
 521                                         /* metric store */ NULL, NULL, 0, SDB_DATA_NULL);
 522                 }
 523                 break;
 524
 525                 case SDB_SERVICE:
 526                 {
 527                         sdb_proto_service_t svc;
 528                         if (sdb_proto_unmarshal_service(buf, len, &svc) < 0) {
 529                                 sdb_strbuf_sprintf(conn->errbuf,
 530                                                 "STORE: Failed to unmarshal service object");
 531                                 return -1;
 532                         }
 533                         ast = sdb_ast_store_create(SDB_SERVICE, sstrdup(svc.hostname),
 534                                         /* parent */ 0, NULL, sstrdup(svc.name), svc.last_update,
 535                                         /* metric store */ NULL, NULL, 0, SDB_DATA_NULL);
 536                 }
 537                 break;
 538
 539                 case SDB_METRIC:
 540                 {
 541                         sdb_proto_metric_t metric;
 542                         if (sdb_proto_unmarshal_metric(buf, len, &metric) < 0) {
 543                                 sdb_strbuf_sprintf(conn->errbuf,
 544                                                 "STORE: Failed to unmarshal metric object");
 545                                 return -1;
 546                         }
 547                         ast = sdb_ast_store_create(SDB_METRIC, sstrdup(metric.hostname),
 548                                         /* parent */ 0, NULL, sstrdup(metric.name), metric.last_update,
 549                                         sstrdup(metric.store_type), sstrdup(metric.store_id),
 550                                         metric.store_last_update, SDB_DATA_NULL);
 551                 }
 552                 break;
 553         }
 554
 555         if (type & SDB_ATTRIBUTE) {
 556                 sdb_proto_attribute_t attr;
 557                 const char *hostname, *parent;
 558                 int parent_type;
 559                 if (sdb_proto_unmarshal_attribute(buf, len, &attr) < 0) {
 560                         sdb_strbuf_sprintf(conn->errbuf,
 561                                         "STORE: Failed to unmarshal attribute object");
 562                         return -1;
 563                 }
 564                 if (attr.parent_type == SDB_HOST) {
 565                         hostname = attr.parent;
 566                         parent_type = 0;
 567                         parent = NULL;
 568                 }
 569                 else {
 570                         hostname = attr.hostname;
 571                         parent_type = attr.parent_type;
 572                         parent = attr.parent;
 573                 }
 574                 ast = sdb_ast_store_create(SDB_ATTRIBUTE, sstrdup(hostname),
 575                                 parent_type, sstrdup(parent), sstrdup(attr.key),
 576                                 attr.last_update, /* metric store */ NULL, NULL, 0,
 577                                 attr.value);
 578         }
 579
 580         if (! ast) {
 581                 sdb_log(SDB_LOG_ERR, "frontend: Invalid object type %d for "
 582                                 "STORE COMMAND", type);
 583                 sdb_strbuf_sprintf(conn->errbuf, "STORE: Invalid object type %d", type);
 584                 return -1;
 585         }
 586
 587         status = sdb_parser_analyze(ast, conn->errbuf);
 588         if (! status)
 589                 status = exec_cmd(conn, ast);
 590         sdb_object_deref(SDB_OBJ(ast));
 591         return status;
 592 } /* sdb_conn_store */
 593
 594 /* vim: set tw=78 sw=4 ts=4 noexpandtab : */
 595