+++ /dev/null
-/**
- * collectd - src/utils_cmd_getthreshold.c
- * Copyright (C) 2008,2009 Florian octo Forster
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Florian octo Forster <octo at collectd.org>
- **/
-
-#include "collectd.h"
-#include "common.h"
-#include "plugin.h"
-
-#include "utils_avltree.h"
-#include "utils_threshold.h"
-#include "utils_parse_option.h" /* for `parse_string' */
-#include "utils_cmd_getthreshold.h"
-
-#define print_to_socket(fh, ...) \
- if (fprintf (fh, __VA_ARGS__) < 0) { \
- char errbuf[1024]; \
- WARNING ("handle_getthreshold: failed to write to socket #%i: %s", \
- fileno (fh), sstrerror (errno, errbuf, sizeof (errbuf))); \
- return -1; \
- }
-
-int handle_getthreshold (FILE *fh, char *buffer)
-{
- char *command;
- char *identifier;
- char *identifier_copy;
-
- char *host;
- char *plugin;
- char *plugin_instance;
- char *type;
- char *type_instance;
-
- value_list_t vl;
- threshold_t threshold;
-
- int status;
- size_t i;
-
- if ((fh == NULL) || (buffer == NULL))
- return (-1);
-
- DEBUG ("utils_cmd_getthreshold: handle_getthreshold (fh = %p, buffer = %s);",
- (void *) fh, buffer);
-
- command = NULL;
- status = parse_string (&buffer, &command);
- if (status != 0)
- {
- print_to_socket (fh, "-1 Cannot parse command.\n");
- return (-1);
- }
- assert (command != NULL);
-
- if (strcasecmp ("GETTHRESHOLD", command) != 0)
- {
- print_to_socket (fh, "-1 Unexpected command: `%s'.\n", command);
- return (-1);
- }
-
- identifier = NULL;
- status = parse_string (&buffer, &identifier);
- if (status != 0)
- {
- print_to_socket (fh, "-1 Cannot parse identifier.\n");
- return (-1);
- }
- assert (identifier != NULL);
-
- if (*buffer != 0)
- {
- print_to_socket (fh, "-1 Garbage after end of command: %s\n", buffer);
- return (-1);
- }
-
- /* parse_identifier() modifies its first argument,
- * returning pointers into it */
- identifier_copy = sstrdup (identifier);
-
- status = parse_identifier (identifier_copy, &host,
- &plugin, &plugin_instance,
- &type, &type_instance);
- if (status != 0)
- {
- DEBUG ("handle_getthreshold: Cannot parse identifier `%s'.", identifier);
- print_to_socket (fh, "-1 Cannot parse identifier `%s'.\n", identifier);
- sfree (identifier_copy);
- return (-1);
- }
-
- memset (&vl, 0, sizeof (vl));
- sstrncpy (vl.host, host, sizeof (vl.host));
- sstrncpy (vl.plugin, plugin, sizeof (vl.plugin));
- if (plugin_instance != NULL)
- sstrncpy (vl.plugin_instance, plugin_instance, sizeof (vl.plugin_instance));
- sstrncpy (vl.type, type, sizeof (vl.type));
- if (type_instance != NULL)
- sstrncpy (vl.type_instance, type_instance, sizeof (vl.type_instance));
- sfree (identifier_copy);
-
- memset (&threshold, 0, sizeof (threshold));
- status = ut_search_threshold (&vl, &threshold);
- if (status == ENOENT)
- {
- print_to_socket (fh, "-1 No threshold found for identifier %s\n",
- identifier);
- return (0);
- }
- else if (status != 0)
- {
- print_to_socket (fh, "-1 Error while looking up threshold: %i\n",
- status);
- return (-1);
- }
-
- /* Lets count the number of lines we'll return. */
- i = 0;
- if (threshold.host[0] != 0) i++;
- if (threshold.plugin[0] != 0) i++;
- if (threshold.plugin_instance[0] != 0) i++;
- if (threshold.type[0] != 0) i++;
- if (threshold.type_instance[0] != 0) i++;
- if (threshold.data_source[0] != 0) i++;
- if (!isnan (threshold.warning_min)) i++;
- if (!isnan (threshold.warning_max)) i++;
- if (!isnan (threshold.failure_min)) i++;
- if (!isnan (threshold.failure_max)) i++;
- if (threshold.hysteresis > 0.0) i++;
- if (threshold.hits > 1) i++;
-
- /* Print the response */
- print_to_socket (fh, "%zu Threshold found\n", i);
-
- if (threshold.host[0] != 0)
- print_to_socket (fh, "Host: %s\n", threshold.host)
- if (threshold.plugin[0] != 0)
- print_to_socket (fh, "Plugin: %s\n", threshold.plugin)
- if (threshold.plugin_instance[0] != 0)
- print_to_socket (fh, "Plugin Instance: %s\n", threshold.plugin_instance)
- if (threshold.type[0] != 0)
- print_to_socket (fh, "Type: %s\n", threshold.type)
- if (threshold.type_instance[0] != 0)
- print_to_socket (fh, "Type Instance: %s\n", threshold.type_instance)
- if (threshold.data_source[0] != 0)
- print_to_socket (fh, "Data Source: %s\n", threshold.data_source)
- if (!isnan (threshold.warning_min))
- print_to_socket (fh, "Warning Min: %g\n", threshold.warning_min)
- if (!isnan (threshold.warning_max))
- print_to_socket (fh, "Warning Max: %g\n", threshold.warning_max)
- if (!isnan (threshold.failure_min))
- print_to_socket (fh, "Failure Min: %g\n", threshold.failure_min)
- if (!isnan (threshold.failure_max))
- print_to_socket (fh, "Failure Max: %g\n", threshold.failure_max)
- if (threshold.hysteresis > 0.0)
- print_to_socket (fh, "Hysteresis: %g\n", threshold.hysteresis)
- if (threshold.hits > 1)
- print_to_socket (fh, "Hits: %i\n", threshold.hits)
-
- return (0);
-} /* int handle_getthreshold */
-
-/* vim: set sw=2 sts=2 ts=8 et : */
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