+++ /dev/null
-#include <stdlib.h>
-#include <string.h>
-#include <strings.h>
-#include <errno.h>
-#include <limits.h> /* PATH_MAX */
-
-#include "graph_ident.h"
-#include "common.h"
-#include "filesystem.h"
-
-/*
- * Data types
- */
-struct graph_ident_s /* {{{ */
-{
- char *host;
- char *plugin;
- char *plugin_instance;
- char *type;
- char *type_instance;
-}; /* }}} struct graph_ident_s */
-
-/*
- * Private functions
- */
-static char *part_copy_with_selector (const char *selector, /* {{{ */
- const char *part, unsigned int flags)
-{
- if ((selector == NULL) || (part == NULL))
- return (NULL);
-
- if ((flags & IDENT_FLAG_REPLACE_ANY) && IS_ANY (part))
- return (NULL);
-
- if ((flags & IDENT_FLAG_REPLACE_ALL) && IS_ALL (part))
- return (NULL);
-
- /* Replace the ANY and ALL flags if requested and if the selecter actually
- * *is* that flag. */
- if (IS_ANY (selector))
- {
- if (flags & IDENT_FLAG_REPLACE_ANY)
- return (strdup (part));
- else
- return (strdup (selector));
- }
-
- if (IS_ALL (selector))
- {
- if (flags & IDENT_FLAG_REPLACE_ALL)
- return (strdup (part));
- else
- return (strdup (selector));
- }
-
- if (strcmp (selector, part) != 0)
- return (NULL);
-
- /* Otherwise (no replacement), return a copy of the selector. */
- return (strdup (selector));
-} /* }}} char *part_copy_with_selector */
-
-static _Bool part_matches (const char *selector, /* {{{ */
- const char *part)
-{
- if ((selector == NULL) && (part == NULL))
- return (1);
-
- if (selector == NULL) /* && (part != NULL) */
- return (0);
-
- if (IS_ANY(selector) || IS_ALL(selector))
- return (1);
-
- if (part == NULL) /* && (selector != NULL) */
- return (0);
-
- if (strcmp (selector, part) == 0)
- return (1);
-
- return (0);
-} /* }}} _Bool part_matches */
-
-/*
- * Public functions
- */
-graph_ident_t *ident_create (const char *host, /* {{{ */
- const char *plugin, const char *plugin_instance,
- const char *type, const char *type_instance)
-{
- graph_ident_t *ret;
-
- if ((host == NULL)
- || (plugin == NULL) || (plugin_instance == NULL)
- || (type == NULL) || (type_instance == NULL))
- return (NULL);
-
- ret = malloc (sizeof (*ret));
- if (ret == NULL)
- return (NULL);
- memset (ret, 0, sizeof (*ret));
-
- ret->host = NULL;
- ret->host = NULL;
- ret->plugin = NULL;
- ret->plugin_instance = NULL;
- ret->type = NULL;
- ret->type_instance = NULL;
-
-#define COPY_PART(p) do { \
- ret->p = strdup (p); \
- if (ret->p == NULL) \
- { \
- free (ret->host); \
- free (ret->plugin); \
- free (ret->plugin_instance); \
- free (ret->type); \
- free (ret->type_instance); \
- free (ret); \
- return (NULL); \
- } \
-} while (0)
-
- COPY_PART(host);
- COPY_PART(plugin);
- COPY_PART(plugin_instance);
- COPY_PART(type);
- COPY_PART(type_instance);
-
-#undef COPY_PART
-
- return (ret);
-} /* }}} graph_ident_t *ident_create */
-
-graph_ident_t *ident_clone (const graph_ident_t *ident) /* {{{ */
-{
- return (ident_create (ident->host,
- ident->plugin, ident->plugin_instance,
- ident->type, ident->type_instance));
-} /* }}} graph_ident_t *ident_clone */
-
-graph_ident_t *ident_copy_with_selector (const graph_ident_t *selector, /* {{{ */
- const graph_ident_t *ident, unsigned int flags)
-{
- graph_ident_t *ret;
-
- if ((selector == NULL) || (ident == NULL))
- return (NULL);
-
- ret = malloc (sizeof (*ret));
- if (ret == NULL)
- return (NULL);
- memset (ret, 0, sizeof (*ret));
- ret->host = NULL;
- ret->plugin = NULL;
- ret->plugin_instance = NULL;
- ret->type = NULL;
- ret->type_instance = NULL;
-
-#define COPY_PART(p) do { \
- ret->p = part_copy_with_selector (selector->p, ident->p, flags); \
- if (ret->p == NULL) \
- { \
- free (ret->host); \
- free (ret->plugin); \
- free (ret->plugin_instance); \
- free (ret->type); \
- free (ret->type_instance); \
- return (NULL); \
- } \
-} while (0)
-
- COPY_PART (host);
- COPY_PART (plugin);
- COPY_PART (plugin_instance);
- COPY_PART (type);
- COPY_PART (type_instance);
-
-#undef COPY_PART
-
- return (ret);
-} /* }}} graph_ident_t *ident_copy_with_selector */
-
-void ident_destroy (graph_ident_t *ident) /* {{{ */
-{
- if (ident == NULL)
- return;
-
- free (ident->host);
- free (ident->plugin);
- free (ident->plugin_instance);
- free (ident->type);
- free (ident->type_instance);
-
- free (ident);
-} /* }}} void ident_destroy */
-
-/* ident_get_* methods {{{ */
-const char *ident_get_host (graph_ident_t *ident) /* {{{ */
-{
- if (ident == NULL)
- return (NULL);
-
- return (ident->host);
-} /* }}} char *ident_get_host */
-
-const char *ident_get_plugin (graph_ident_t *ident) /* {{{ */
-{
- if (ident == NULL)
- return (NULL);
-
- return (ident->plugin);
-} /* }}} char *ident_get_plugin */
-
-const char *ident_get_plugin_instance (graph_ident_t *ident) /* {{{ */
-{
- if (ident == NULL)
- return (NULL);
-
- return (ident->plugin_instance);
-} /* }}} char *ident_get_plugin_instance */
-
-const char *ident_get_type (graph_ident_t *ident) /* {{{ */
-{
- if (ident == NULL)
- return (NULL);
-
- return (ident->type);
-} /* }}} char *ident_get_type */
-
-const char *ident_get_type_instance (graph_ident_t *ident) /* {{{ */
-{
- if (ident == NULL)
- return (NULL);
-
- return (ident->type_instance);
-} /* }}} char *ident_get_type_instance */
-/* }}} ident_get_* methods */
-
-/* ident_set_* methods {{{ */
-int ident_set_host (graph_ident_t *ident, const char *host) /* {{{ */
-{
- char *tmp;
-
- if ((ident == NULL) || (host == NULL))
- return (EINVAL);
-
- tmp = strdup (host);
- if (tmp == NULL)
- return (ENOMEM);
-
- free (ident->host);
- ident->host = tmp;
-
- return (0);
-} /* }}} int ident_set_host */
-
-int ident_set_plugin (graph_ident_t *ident, const char *plugin) /* {{{ */
-{
- char *tmp;
-
- if ((ident == NULL) || (plugin == NULL))
- return (EINVAL);
-
- tmp = strdup (plugin);
- if (tmp == NULL)
- return (ENOMEM);
-
- free (ident->plugin);
- ident->plugin = tmp;
-
- return (0);
-} /* }}} int ident_set_plugin */
-
-int ident_set_plugin_instance (graph_ident_t *ident, const char *plugin_instance) /* {{{ */
-{
- char *tmp;
-
- if ((ident == NULL) || (plugin_instance == NULL))
- return (EINVAL);
-
- tmp = strdup (plugin_instance);
- if (tmp == NULL)
- return (ENOMEM);
-
- free (ident->plugin_instance);
- ident->plugin_instance = tmp;
-
- return (0);
-} /* }}} int ident_set_plugin_instance */
-
-int ident_set_type (graph_ident_t *ident, const char *type) /* {{{ */
-{
- char *tmp;
-
- if ((ident == NULL) || (type == NULL))
- return (EINVAL);
-
- tmp = strdup (type);
- if (tmp == NULL)
- return (ENOMEM);
-
- free (ident->type);
- ident->type = tmp;
-
- return (0);
-} /* }}} int ident_set_type */
-
-int ident_set_type_instance (graph_ident_t *ident, const char *type_instance) /* {{{ */
-{
- char *tmp;
-
- if ((ident == NULL) || (type_instance == NULL))
- return (EINVAL);
-
- tmp = strdup (type_instance);
- if (tmp == NULL)
- return (ENOMEM);
-
- free (ident->type_instance);
- ident->type_instance = tmp;
-
- return (0);
-} /* }}} int ident_set_type_instance */
-
-/* }}} ident_set_* methods */
-
-int ident_compare (const graph_ident_t *i0, /* {{{ */
- const graph_ident_t *i1)
-{
- int status;
-
-#define COMPARE_PART(p) do { \
- status = strcmp (i0->p, i1->p); \
- if (status != 0) \
- return (status); \
-} while (0)
-
- COMPARE_PART (host);
- COMPARE_PART (plugin);
- COMPARE_PART (plugin_instance);
- COMPARE_PART (type);
- COMPARE_PART (type_instance);
-
-#undef COMPARE_PART
-
- return (0);
-} /* }}} int ident_compare */
-
-_Bool ident_matches (const graph_ident_t *selector, /* {{{ */
- const graph_ident_t *ident)
-{
- if ((selector == NULL) && (ident == NULL))
- return (0);
- else if (selector == NULL)
- return (-1);
- else if (ident == NULL)
- return (1);
-
- if (!part_matches (selector->host, ident->host))
- return (0);
-
- if (!part_matches (selector->plugin, ident->plugin))
- return (0);
-
- if (!part_matches (selector->plugin_instance, ident->plugin_instance))
- return (0);
-
- if (!part_matches (selector->type, ident->type))
- return (0);
-
- if (!part_matches (selector->type_instance, ident->type_instance))
- return (0);
-
- return (1);
-} /* }}} _Bool ident_matches */
-
-char *ident_to_string (const graph_ident_t *ident) /* {{{ */
-{
- char buffer[PATH_MAX];
-
- buffer[0] = 0;
-
- strlcat (buffer, ident->host, sizeof (buffer));
- strlcat (buffer, "/", sizeof (buffer));
- strlcat (buffer, ident->plugin, sizeof (buffer));
- if (ident->plugin_instance[0] != 0)
- {
- strlcat (buffer, "-", sizeof (buffer));
- strlcat (buffer, ident->plugin_instance, sizeof (buffer));
- }
- strlcat (buffer, "/", sizeof (buffer));
- strlcat (buffer, ident->type, sizeof (buffer));
- if (ident->type_instance[0] != 0)
- {
- strlcat (buffer, "-", sizeof (buffer));
- strlcat (buffer, ident->type_instance, sizeof (buffer));
- }
-
- return (strdup (buffer));
-} /* }}} char *ident_to_string */
-
-char *ident_to_file (const graph_ident_t *ident) /* {{{ */
-{
- char buffer[PATH_MAX];
-
- buffer[0] = 0;
-
- strlcat (buffer, DATA_DIR, sizeof (buffer));
- strlcat (buffer, "/", sizeof (buffer));
-
- strlcat (buffer, ident->host, sizeof (buffer));
- strlcat (buffer, "/", sizeof (buffer));
- strlcat (buffer, ident->plugin, sizeof (buffer));
- if (ident->plugin_instance[0] != 0)
- {
- strlcat (buffer, "-", sizeof (buffer));
- strlcat (buffer, ident->plugin_instance, sizeof (buffer));
- }
- strlcat (buffer, "/", sizeof (buffer));
- strlcat (buffer, ident->type, sizeof (buffer));
- if (ident->type_instance[0] != 0)
- {
- strlcat (buffer, "-", sizeof (buffer));
- strlcat (buffer, ident->type_instance, sizeof (buffer));
- }
-
- strlcat (buffer, ".rrd", sizeof (buffer));
-
- return (strdup (buffer));
-} /* }}} char *ident_to_file */
-
-char *ident_to_json (const graph_ident_t *ident) /* {{{ */
-{
- char buffer[4096];
-
- buffer[0] = 0;
-
- strlcat (buffer, "{\"host\":\"", sizeof (buffer));
- strlcat (buffer, ident->host, sizeof (buffer));
- strlcat (buffer, "\",\"plugin\":\"", sizeof (buffer));
- strlcat (buffer, ident->plugin, sizeof (buffer));
- strlcat (buffer, "\",\"plugin_instance\":\"", sizeof (buffer));
- strlcat (buffer, ident->plugin_instance, sizeof (buffer));
- strlcat (buffer, "\",\"type\":\"", sizeof (buffer));
- strlcat (buffer, ident->type, sizeof (buffer));
- strlcat (buffer, "\",\"type_instance\":\"", sizeof (buffer));
- strlcat (buffer, ident->type_instance, sizeof (buffer));
- strlcat (buffer, "\"}", sizeof (buffer));
-
- return (strdup (buffer));
-} /* }}} char *ident_to_json */
-
-/* vim: set sw=2 sts=2 et fdm=marker : */
-
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