コード例 #1
0
ファイル: reslist.c プロジェクト: jnpkrn/pacemaker
/**
   Read all resources in the resource manager block in CCS.

   @param reslist       Empty list to fill with resources.
   @param rulelist      List of rules to use when searching CCS.
   @return              0 on success, nonzero on failure.
 */
int
load_resources(resource_t ** reslist, resource_rule_t ** rulelist)
{
    int resID = 0;
    resource_t *newres;
    resource_rule_t *currule;
    char tok[256];

    list_do(rulelist, currule) {

        for (resID = 1;; resID++) {
            /* XXX check */
            snprintf(tok, sizeof(tok), RESOURCE_BASE "/%s[%d]", currule->rr_type, resID);

            newres = load_resource(currule, tok);
            if (!newres)
                break;

            if (store_resource(reslist, newres) != 0) {
                fprintf(stderr, "Error storing %s resource\n", newres->r_rule->rr_type);

                destroy_resource(newres);
                continue;
            }

            /* Just information */
            newres->r_flags = RF_DEFINED;
        }
    }
    while (!list_done(rulelist, currule)) ;

    return 0;
}
コード例 #2
0
ファイル: parse_conf.c プロジェクト: razvip91/bareos
bool CONFIG::parse_config_file(const char *cf, void *caller_ctx, LEX_ERROR_HANDLER *scan_error,
                               LEX_WARNING_HANDLER *scan_warning, int32_t err_type)
{
   bool result = true;
   LEX *lc = NULL;
   int token, i, pass;
   int res_type = 0;
   enum parse_state state = p_none;
   RES_TABLE *res_table = NULL;
   RES_ITEM *items = NULL;
   RES_ITEM *item = NULL;
   int level = 0;

   /*
    * Make two passes. The first builds the name symbol table,
    * and the second picks up the items.
    */
   Dmsg0(900, "Enter parse_config()\n");
   for (pass = 1; pass <= 2; pass++) {
      Dmsg1(900, "parse_config pass %d\n", pass);
      if ((lc = lex_open_file(lc, cf, scan_error, scan_warning)) == NULL) {
         berrno be;

         /*
          * We must create a lex packet to print the error
          */
         lc = (LEX *)malloc(sizeof(LEX));
         memset(lc, 0, sizeof(LEX));

         if (scan_error) {
            lc->scan_error = scan_error;
         } else {
            lex_set_default_error_handler(lc);
         }

         if (scan_warning) {
            lc->scan_warning = scan_warning;
         } else {
            lex_set_default_warning_handler(lc);
         }

         lex_set_error_handler_error_type(lc, err_type) ;
         scan_err2(lc, _("Cannot open config file \"%s\": %s\n"),
            cf, be.bstrerror());
         free(lc);

         return 0;
      }
      lex_set_error_handler_error_type(lc, err_type);
      lc->error_counter = 0;
      lc->caller_ctx = caller_ctx;

      while ((token=lex_get_token(lc, T_ALL)) != T_EOF) {
         Dmsg3(900, "parse state=%d pass=%d got token=%s\n", state, pass,
               lex_tok_to_str(token));
         switch (state) {
         case p_none:
            if (token == T_EOL) {
               break;
            } else if (token == T_UTF8_BOM) {
               /*
                * We can assume the file is UTF-8 as we have seen a UTF-8 BOM
                */
               break;
            } else if (token == T_UTF16_BOM) {
               scan_err0(lc, _("Currently we cannot handle UTF-16 source files. "
                               "Please convert the conf file to UTF-8\n"));
               goto bail_out;
            } else if (token != T_IDENTIFIER) {
               scan_err1(lc, _("Expected a Resource name identifier, got: %s"), lc->str);
               goto bail_out;
            }
            res_table = get_resource_table(lc->str);
            if(res_table && res_table->items) {
               items = res_table->items;
               state = p_resource;
               res_type = res_table->rcode;
               init_resource(res_type, items, pass);
            }
            if (state == p_none) {
               scan_err1(lc, _("expected resource name, got: %s"), lc->str);
               goto bail_out;
            }
            break;
         case p_resource:
            switch (token) {
            case T_BOB:
               level++;
               break;
            case T_IDENTIFIER:
               if (level != 1) {
                  scan_err1(lc, _("not in resource definition: %s"), lc->str);
                  goto bail_out;
               }
               i = get_resource_item_index(items, lc->str);
               if (i>=0) {
                  item = &items[i];
                  /*
                   * If the CFG_ITEM_NO_EQUALS flag is set we do NOT
                   *   scan for = after the keyword
                   */
                  if (!(item->flags & CFG_ITEM_NO_EQUALS)) {
                     token = lex_get_token(lc, T_SKIP_EOL);
                     Dmsg1 (900, "in T_IDENT got token=%s\n", lex_tok_to_str(token));
                     if (token != T_EQUALS) {
                        scan_err1(lc, _("expected an equals, got: %s"), lc->str);
                        goto bail_out;
                     }
                  }

                  /*
                   * See if we are processing a deprecated keyword if so warn the user about it.
                   */
                  if (item->flags & CFG_ITEM_DEPRECATED) {
                     scan_warn2(lc, _("using deprecated keyword %s on line %d"), item->name, lc->line_no);
                     /*
                      * As we only want to warn we continue parsing the config. So no goto bail_out here.
                      */
                  }

                  Dmsg1(800, "calling handler for %s\n", item->name);

                  /*
                   * Call item handler
                   */
                  if (!store_resource(item->type, lc, item, i, pass)) {
                     /*
                      * None of the generic types fired if there is a registered callback call that now.
                      */
                     if (m_store_res) {
                        m_store_res(lc, item, i, pass);
                     }
                  }
               } else {
                  Dmsg2(900, "level=%d id=%s\n", level, lc->str);
                  Dmsg1(900, "Keyword = %s\n", lc->str);
                  scan_err1(lc, _("Keyword \"%s\" not permitted in this resource.\n"
                                  "Perhaps you left the trailing brace off of the previous resource."), lc->str);
                  goto bail_out;
               }
               break;

            case T_EOB:
               level--;
               state = p_none;
               Dmsg0(900, "T_EOB => define new resource\n");
               if (((URES *)m_res_all)->hdr.name == NULL) {
                  scan_err0(lc, _("Name not specified for resource"));
                  goto bail_out;
               }
               /* save resource */
               if (!save_resource(res_type, items, pass)) {
                  scan_err0(lc, _("save_resource failed"));
                  goto bail_out;
               };
               break;

            case T_EOL:
               break;

            default:
               scan_err2(lc, _("unexpected token %d %s in resource definition"),
                  token, lex_tok_to_str(token));
               goto bail_out;
            }
            break;
         default:
            scan_err1(lc, _("Unknown parser state %d\n"), state);
            goto bail_out;
         }
      }
      if (state != p_none) {
         scan_err0(lc, _("End of conf file reached with unclosed resource."));
         goto bail_out;
      }
      if (debug_level >= 900 && pass == 2) {
         int i;
         for (i = m_r_first; i <= m_r_last; i++) {
            dump_resource(i, m_res_head[i-m_r_first], prtmsg, NULL, false);
         }
      }

      if (lc->error_counter > 0) {
         result = false;
      }

      lc = lex_close_file(lc);
   }
   Dmsg0(900, "Leave parse_config_file()\n");

   return result;

bail_out:
   if (lc) {
      lc = lex_close_file(lc);
   }

   return false;
}