src/graph.[ch]: Implement "graph_get_params".

diff --git a/src/graph.c b/src/graph.c
index a503bfe..6b89859 100644 (file)
--- a/src/graph.c
+++ b/src/graph.c
@@ -204,6 +204,35 @@ int graph_get_title (graph_config_t *cfg, /* {{{ */
   return (0);
 } /* }}} int graph_get_title */
 
+int graph_get_params (graph_config_t *cfg, /* {{{ */
+    char *buffer, size_t buffer_size)
+{
+  buffer[0] = 0;
+
+#define COPY_FIELD(field) do {                                       \
+  const char *str = ident_get_##field (cfg->select);                 \
+  char uri_str[1024];                                                \
+  uri_escape (uri_str, str, sizeof (uri_str));                       \
+  strlcat (buffer, #field, buffer_size);                             \
+  strlcat (buffer, "=", buffer_size);                                \
+  strlcat (buffer, uri_str, buffer_size);                            \
+} while (0)
+
+  COPY_FIELD(host);
+  strlcat (buffer, ";", buffer_size);
+  COPY_FIELD(plugin);
+  strlcat (buffer, ";", buffer_size);
+  COPY_FIELD(plugin_instance);
+  strlcat (buffer, ";", buffer_size);
+  COPY_FIELD(type);
+  strlcat (buffer, ";", buffer_size);
+  COPY_FIELD(type_instance);
+
+#undef COPY_FIELD
+
+  return (0);
+} /* }}} int graph_get_params */
+
 graph_ident_t *graph_get_selector (graph_config_t *cfg) /* {{{ */
 {
   if (cfg == NULL)

diff --git a/src/graph.h b/src/graph.h
index 98014c5..7f1115c 100644 (file)
--- a/src/graph.h
+++ b/src/graph.h
@@ -19,6 +19,8 @@ int graph_add_file (graph_config_t *cfg, const graph_ident_t *file);
 int graph_get_title (graph_config_t *cfg,
     char *buffer, size_t buffer_size);
 
+int graph_get_params (graph_config_t *cfg, char *buffer, size_t buffer_size);
+
 graph_ident_t *graph_get_selector (graph_config_t *cfg);
 
 graph_instance_t *graph_get_instances (graph_config_t *cfg);