X-Git-Url: https://git.octo.it/?p=collection4.git;a=blobdiff_plain;f=src%2Fgraph_ident.h;h=30d7e697862dbf3b1e6080043b91b156b95dc88c;hp=e4a12a04adaebd6c343b1979378d98f2fccb6406;hb=e6c6e8043f974b474e912f0cf76e491721f4e2a9;hpb=aaf63df27b244028582cfd078e82189110501043

diff --git a/src/graph_ident.h b/src/graph_ident.h
index e4a12a0..30d7e69 100644
--- a/src/graph_ident.h
+++ b/src/graph_ident.h
@@ -1,7 +1,33 @@
+/**
+ * collection4 - graph_ident.h
+ * Copyright (C) 2010  Florian octo Forster
+ * 
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA  02110-1301  USA
+ *
+ * Authors:
+ *   Florian octo Forster <ff at octo.it>
+ **/
+
 #ifndef GRAPH_IDENT_H
 #define GRAPH_IDENT_H 1
 
 #include <time.h>
+
+#include <yajl/yajl_gen.h>
+
 #include "graph_types.h"
 
 #define ANY_TOKEN "/any/"
@@ -33,12 +59,12 @@ graph_ident_t *ident_copy_with_selector (const graph_ident_t *selector,
 
 void ident_destroy (graph_ident_t *ident);
 
-const char *ident_get_host (graph_ident_t *ident);
-const char *ident_get_plugin (graph_ident_t *ident);
-const char *ident_get_plugin_instance (graph_ident_t *ident);
-const char *ident_get_type (graph_ident_t *ident);
-const char *ident_get_type_instance (graph_ident_t *ident);
-const char *ident_get_field (graph_ident_t *ident,
+const char *ident_get_host (const graph_ident_t *ident);
+const char *ident_get_plugin (const graph_ident_t *ident);
+const char *ident_get_plugin_instance (const graph_ident_t *ident);
+const char *ident_get_type (const graph_ident_t *ident);
+const char *ident_get_type_instance (const graph_ident_t *ident);
+const char *ident_get_field (const graph_ident_t *ident,
     graph_ident_field_t field);
 
 int ident_set_host (graph_ident_t *ident, const char *host);
@@ -55,9 +81,22 @@ int ident_compare (const graph_ident_t *i0,
 _Bool ident_matches (const graph_ident_t *selector,
     const graph_ident_t *ident);
 
+/* The "ident_intersect" function takes two selectors and returns true if a
+ * file may apply to both selectors. If the selectors contradict one another,
+ * for example one issuing "plugin = cpu" and the other "plugin = memory",
+ * then false is returned. */
+_Bool ident_intersect (const graph_ident_t *s0, const graph_ident_t *s1);
+
 char *ident_to_string (const graph_ident_t *ident);
 char *ident_to_file (const graph_ident_t *ident);
-char *ident_to_json (const graph_ident_t *ident);
+int ident_to_json (const graph_ident_t *ident,
+    yajl_gen handler);
+int ident_data_to_json (const graph_ident_t *ident,
+    dp_time_t begin, dp_time_t end,
+    yajl_gen handler);
+
+int ident_describe (const graph_ident_t *ident, const graph_ident_t *selector,
+    char *buffer, size_t buffer_size);
 
 time_t ident_get_mtime (const graph_ident_t *ident);