Add the "list_graphs" action.

[collection4.git] / action_list_graphs.c

diff --git a/action_list_graphs.c b/action_list_graphs.c
new file mode 100644 (file)
index 0000000..8c78ac1
--- /dev/null
+++ b/action_list_graphs.c
@@ -0,0 +1,57 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+
+#include <fcgiapp.h>
+#include <fcgi_stdio.h>
+
+#include "graph_list.h"
+
+static int print_graph (const graph_list_t *gl, void *user_data) /* {{{ */
+{
+  _Bool *first;
+
+  if ((gl == NULL) || (user_data == NULL))
+    return (EINVAL);
+
+  first = (_Bool *) user_data;
+  if (!*first)
+    printf (",\n");
+  *first = 0;
+
+  printf (" {");
+
+  printf ("\"host\":\"%s\"", gl->host);
+      
+  printf (",\"plugin\":\"%s\"", gl->plugin);
+  if (gl->plugin_instance != NULL)
+    printf (",\"plugin_instance\":\"%s\"", gl->plugin_instance);
+  else
+    printf (",\"plugin_instance\":null");
+
+  printf (",\"type\":\"%s\"", gl->type);
+  if (gl->type_instance != NULL)
+    printf (",\"type_instance\":\"%s\"", gl->type_instance);
+  else
+    printf (",\"type_instance\":null");
+
+  printf ("}");
+
+  return (0);
+} /* }}} int print_graph */
+
+int action_list_graphs (void) /* {{{ */
+{
+  _Bool first = 1;
+
+  printf ("Content-Type: text/plain\n\n");
+
+  gl_update ();
+
+  printf ("[\n");
+  gl_foreach (print_graph, /* user_data = */ &first);
+  printf ("\n]");
+} /* }}} int action_list_graphs */
+
+/* vim: set sw=2 sts=2 et fdm=marker : */