COPYING: Add LGPL 2.1 license.

[collection4.git] / src / graph_ident.c

diff --git a/src/graph_ident.c b/src/graph_ident.c
index b008a56..36e066d 100644 (file)
--- a/src/graph_ident.c
+++ b/src/graph_ident.c
@@ -1,13 +1,20 @@
 #include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
 #include <string.h>
 #include <strings.h>
 #include <errno.h>
 #include <limits.h> /* PATH_MAX */
+#include <sys/types.h>
+#include <sys/stat.h>
 
 #include "graph_ident.h"
 #include "common.h"
 #include "filesystem.h"
 
+#include <fcgiapp.h>
+#include <fcgi_stdio.h>
+
 /*
  * Data types
  */
@@ -196,7 +203,7 @@ void ident_destroy (graph_ident_t *ident) /* {{{ */
 } /* }}} void ident_destroy */
 
 /* ident_get_* methods {{{ */
-const char *ident_get_host (graph_ident_t *ident) /* {{{ */
+const char *ident_get_host (const graph_ident_t *ident) /* {{{ */
 {
   if (ident == NULL)
     return (NULL);
@@ -204,7 +211,7 @@ const char *ident_get_host (graph_ident_t *ident) /* {{{ */
   return (ident->host);
 } /* }}} char *ident_get_host */
 
-const char *ident_get_plugin (graph_ident_t *ident) /* {{{ */
+const char *ident_get_plugin (const graph_ident_t *ident) /* {{{ */
 {
   if (ident == NULL)
     return (NULL);
@@ -212,7 +219,7 @@ const char *ident_get_plugin (graph_ident_t *ident) /* {{{ */
   return (ident->plugin);
 } /* }}} char *ident_get_plugin */
 
-const char *ident_get_plugin_instance (graph_ident_t *ident) /* {{{ */
+const char *ident_get_plugin_instance (const graph_ident_t *ident) /* {{{ */
 {
   if (ident == NULL)
     return (NULL);
@@ -220,7 +227,7 @@ const char *ident_get_plugin_instance (graph_ident_t *ident) /* {{{ */
   return (ident->plugin_instance);
 } /* }}} char *ident_get_plugin_instance */
 
-const char *ident_get_type (graph_ident_t *ident) /* {{{ */
+const char *ident_get_type (const graph_ident_t *ident) /* {{{ */
 {
   if (ident == NULL)
     return (NULL);
@@ -228,13 +235,33 @@ const char *ident_get_type (graph_ident_t *ident) /* {{{ */
   return (ident->type);
 } /* }}} char *ident_get_type */
 
-const char *ident_get_type_instance (graph_ident_t *ident) /* {{{ */
+const char *ident_get_type_instance (const graph_ident_t *ident) /* {{{ */
 {
   if (ident == NULL)
     return (NULL);
 
   return (ident->type_instance);
 } /* }}} char *ident_get_type_instance */
+
+const char *ident_get_field (const graph_ident_t *ident, /* {{{ */
+    graph_ident_field_t field)
+{
+  if ((ident == NULL) || (field >= _GIF_LAST))
+    return (NULL);
+
+  if (field == GIF_HOST)
+    return (ident->host);
+  else if (field == GIF_PLUGIN)
+    return (ident->plugin);
+  else if (field == GIF_PLUGIN_INSTANCE)
+    return (ident->plugin_instance);
+  else if (field == GIF_TYPE)
+    return (ident->type);
+  else if (field == GIF_TYPE_INSTANCE)
+    return (ident->type_instance);
+  else
+    return (NULL); /* never reached */
+} /* }}} const char *ident_get_field */
 /* }}} ident_get_* methods */
 
 /* ident_set_* methods {{{ */
@@ -350,12 +377,8 @@ int ident_compare (const graph_ident_t *i0, /* {{{ */
 _Bool ident_matches (const graph_ident_t *selector, /* {{{ */
     const graph_ident_t *ident)
 {
-  if ((selector == NULL) && (ident == NULL))
+  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);
@@ -451,5 +474,31 @@ char *ident_to_json (const graph_ident_t *ident) /* {{{ */
   return (strdup (buffer));
 } /* }}} char *ident_to_json */
 
+time_t ident_get_mtime (const graph_ident_t *ident) /* {{{ */
+{
+  char *file;
+  struct stat statbuf;
+  int status;
+
+  if (ident == NULL)
+    return (0);
+
+  file = ident_to_file (ident);
+  if (file == NULL)
+    return (0);
+
+  memset (&statbuf, 0, sizeof (statbuf));
+  status = stat (file, &statbuf);
+  if (status != 0)
+  {
+    fprintf (stderr, "ident_get_mtime: stat'ing file \"%s\" failed: %s\n",
+        file, strerror (errno));
+    return (0);
+  }
+
+  free (file);
+  return (statbuf.st_mtime);
+} /* }}} time_t ident_get_mtime */
+
 /* vim: set sw=2 sts=2 et fdm=marker : */