Merge pull request #3339 from jkohen/patch-1

[collectd.git] / src / utils_cmd_getval.c

diff --git a/src/utils_cmd_getval.c b/src/utils_cmd_getval.c
deleted file mode 100644 (file)
index 3a8a2be..0000000
--- a/src/utils_cmd_getval.c
+++ /dev/null
@@ -1,173 +0,0 @@
-/**
- * collectd - src/utils_cmd_getval.c
- * Copyright (C) 2008       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_cache.h"
-#include "utils_parse_option.h"
-#include "utils_cmd_getval.h"
-
-cmd_status_t cmd_parse_getval (size_t argc, char **argv,
-    cmd_getval_t *ret_getval, cmd_error_handler_t *err)
-{
-  char *identifier_copy;
-  int status;
-
-  if (argc != 1)
-  {
-    if (argc == 0)
-      cmd_error (CMD_PARSE_ERROR, err, "Missing identifier.");
-    else
-      cmd_error (CMD_PARSE_ERROR, err,
-         "Garbage after identifier: `%s'.", argv[1]);
-    return (CMD_PARSE_ERROR);
-  }
-
-  /* parse_identifier() modifies its first argument,
-   * returning pointers into it */
-  identifier_copy = sstrdup (argv[0]);
-
-  status = parse_identifier (argv[0], &ret_getval->identifier.host,
-      &ret_getval->identifier.plugin, &ret_getval->identifier.plugin_instance,
-      &ret_getval->identifier.type, &ret_getval->identifier.type_instance,
-      NULL);
-  if (status != 0)
-  {
-    DEBUG ("cmd_parse_getval: Cannot parse identifier `%s'.", identifier_copy);
-    cmd_error (CMD_PARSE_ERROR, err,
-       "Cannot parse identifier `%s'.", identifier_copy);
-    sfree (identifier_copy);
-    return (CMD_PARSE_ERROR);
-  }
-
-  ret_getval->raw_identifier = identifier_copy;
-  return (CMD_OK);
-} /* cmd_status_t cmd_parse_getval */
-
-#define print_to_socket(fh, ...) \
-  do { \
-    if (fprintf (fh, __VA_ARGS__) < 0) { \
-      char errbuf[1024]; \
-      WARNING ("cmd_handle_getval: failed to write to socket #%i: %s", \
-          fileno (fh), sstrerror (errno, errbuf, sizeof (errbuf))); \
-      return -1; \
-    } \
-    fflush(fh); \
-  } while (0)
-
-cmd_status_t cmd_handle_getval (FILE *fh, char *buffer)
-{
-  cmd_error_handler_t err = { cmd_error_fh, fh };
-  cmd_status_t status;
-  cmd_t cmd;
-
-  gauge_t *values;
-  size_t values_num;
-
-  const data_set_t *ds;
-
-
-  if ((fh == NULL) || (buffer == NULL))
-    return (-1);
-
-  DEBUG ("utils_cmd_getval: cmd_handle_getval (fh = %p, buffer = %s);",
-      (void *) fh, buffer);
-
-  if ((status = cmd_parse (buffer, &cmd, &err)) != CMD_OK)
-    return (status);
-  if (cmd.type != CMD_GETVAL)
-  {
-    cmd_error (CMD_UNKNOWN_COMMAND, &err,
-       "Unexpected command: `%s'.", CMD_TO_STRING (cmd.type));
-    cmd_destroy (&cmd);
-    return (CMD_UNKNOWN_COMMAND);
-  }
-
-  ds = plugin_get_ds (cmd.cmd.getval.identifier.type);
-  if (ds == NULL)
-  {
-    DEBUG ("cmd_handle_getval: plugin_get_ds (%s) == NULL;",
-       cmd.cmd.getval.identifier.type);
-    cmd_error (CMD_ERROR, &err, "Type `%s' is unknown.\n",
-       cmd.cmd.getval.identifier.type);
-    cmd_destroy (&cmd);
-    return (-1);
-  }
-
-  values = NULL;
-  values_num = 0;
-  status = uc_get_rate_by_name (cmd.cmd.getval.raw_identifier, &values, &values_num);
-  if (status != 0)
-  {
-    cmd_error (CMD_ERROR, &err, "No such value.");
-    cmd_destroy (&cmd);
-    return (CMD_ERROR);
-  }
-
-  if (ds->ds_num != values_num)
-  {
-    ERROR ("ds[%s]->ds_num = %zu, "
-       "but uc_get_rate_by_name returned %zu values.",
-       ds->type, ds->ds_num, values_num);
-    cmd_error (CMD_ERROR, &err, "Error reading value from cache.");
-    sfree (values);
-    cmd_destroy (&cmd);
-    return (CMD_ERROR);
-  }
-
-  print_to_socket (fh, "%zu Value%s found\n", values_num,
-      (values_num == 1) ? "" : "s");
-  for (size_t i = 0; i < values_num; i++)
-  {
-    print_to_socket (fh, "%s=", ds->ds[i].name);
-    if (isnan (values[i]))
-    {
-      print_to_socket (fh, "NaN\n");
-    }
-    else
-    {
-      print_to_socket (fh, "%12e\n", values[i]);
-    }
-  }
-
-  sfree (values);
-  cmd_destroy (&cmd);
-
-  return (CMD_OK);
-} /* cmd_status_t cmd_handle_getval */
-
-void cmd_destroy_getval (cmd_getval_t *getval)
-{
-  if (getval == NULL)
-    return;
-
-  sfree (getval->raw_identifier);
-} /* void cmd_destroy_getval */
-
-/* vim: set sw=2 sts=2 ts=8 : */