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 3df13b1..0000000
--- a/src/utils_cmd_getval.c
+++ /dev/null
@@ -1,153 +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_cmd_getval.h"
-#include "utils_parse_option.h"
-
-#define print_to_socket(fh, ...)                                               \
-  do {                                                                         \
-    if (fprintf(fh, __VA_ARGS__) < 0) {                                        \
-      char errbuf[1024];                                                       \
-      WARNING("handle_getval: failed to write to socket #%i: %s", fileno(fh),  \
-              sstrerror(errno, errbuf, sizeof(errbuf)));                       \
-      return -1;                                                               \
-    }                                                                          \
-    fflush(fh);                                                                \
-  } while (0)
-
-int handle_getval(FILE *fh, char *buffer) {
-  char *command;
-  char *identifier;
-  char *identifier_copy;
-
-  char *hostname;
-  char *plugin;
-  char *plugin_instance;
-  char *type;
-  char *type_instance;
-  gauge_t *values;
-  size_t values_num;
-
-  const data_set_t *ds;
-
-  int status;
-
-  if ((fh == NULL) || (buffer == NULL))
-    return (-1);
-
-  DEBUG("utils_cmd_getval: handle_getval (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("GETVAL", 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, &hostname, &plugin,
-                            &plugin_instance, &type, &type_instance);
-  if (status != 0) {
-    DEBUG("handle_getval: Cannot parse identifier `%s'.", identifier);
-    print_to_socket(fh, "-1 Cannot parse identifier `%s'.\n", identifier);
-    sfree(identifier_copy);
-    return (-1);
-  }
-
-  ds = plugin_get_ds(type);
-  if (ds == NULL) {
-    DEBUG("handle_getval: plugin_get_ds (%s) == NULL;", type);
-    print_to_socket(fh, "-1 Type `%s' is unknown.\n", type);
-    sfree(identifier_copy);
-    return (-1);
-  }
-
-  values = NULL;
-  values_num = 0;
-  status = uc_get_rate_by_name(identifier, &values, &values_num);
-  if (status != 0) {
-    print_to_socket(fh, "-1 No such value\n");
-    sfree(identifier_copy);
-    return (-1);
-  }
-
-  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);
-    print_to_socket(fh, "-1 Error reading value from cache.\n");
-    sfree(values);
-    sfree(identifier_copy);
-    return (-1);
-  }
-
-  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);
-  sfree(identifier_copy);
-
-  return (0);
-} /* int handle_getval */
-
-/* vim: set sw=2 sts=2 ts=8 : */