Implement the "list_graphs_json" action.

diff --git a/src/Makefile.am b/src/Makefile.am
index 9595ebd..d76e589 100644 (file)
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -19,6 +19,7 @@ collection_fcgi_SOURCES = main.c \
                          action_instance_data_json.c action_instance_data_json.h \
                          action_graph_def_json.c action_graph_def_json.h \
                          action_list_graphs.c action_list_graphs.h \
+                         action_list_graphs_json.c action_list_graphs_json.h \
                          action_list_hosts.c action_list_hosts.h \
                          action_search.c action_search.h \
                          action_search_json.c action_search_json.h \

diff --git a/src/action_list_graphs_json.c b/src/action_list_graphs_json.c
new file mode 100644 (file)
index 0000000..120e419
--- /dev/null
+++ b/src/action_list_graphs_json.c
@@ -0,0 +1,148 @@
+/**
+ * collection4 - action_list_graphs_json.c
+ * Copyright (C) 2010,2011  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>
+ **/
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+
+#include "action_list_graphs_json.h"
+#include "common.h"
+#include "graph.h"
+#include "graph_list.h"
+#include "utils_cgi.h"
+
+#include <fcgiapp.h>
+#include <fcgi_stdio.h>
+
+static void write_callback (__attribute__((unused)) void *ctx, /* {{{ */
+    const char *str, unsigned int len)
+{
+  fwrite ((void *) str, /* size = */ len, /* nmemb = */ 1, stdout);
+} /* }}} void write_callback */
+
+static int print_one_graph (graph_config_t *cfg, /* {{{ */
+    void *user_data)
+{
+  char params[1024];
+  char title[1024];
+  size_t num_instances;
+
+  yajl_gen handler = user_data;
+
+  num_instances = graph_num_instances (cfg);
+  if (num_instances < 1)
+    return (0);
+
+  yajl_gen_map_open (handler);
+
+  memset (title, 0, sizeof (title));
+  graph_get_title (cfg, title, sizeof (title));
+
+  memset (params, 0, sizeof (params));
+  graph_get_params (cfg, params, sizeof (params));
+
+  yajl_gen_string (handler,
+      (unsigned char *) "title",
+      (unsigned int) strlen ("title"));
+  yajl_gen_string (handler,
+      (unsigned char *) title,
+      (unsigned int) strlen (title));
+
+  yajl_gen_string (handler,
+      (unsigned char *) "params",
+      (unsigned int) strlen ("params"));
+  yajl_gen_string (handler,
+      (unsigned char *) params,
+      (unsigned int) strlen (params));
+
+  yajl_gen_string (handler,
+      (unsigned char *) "num_instances",
+      (unsigned int) strlen ("num_instances"));
+  yajl_gen_integer (handler, (long int) num_instances);
+
+  yajl_gen_map_close (handler);
+
+  return (0);
+} /* }}} int print_one_graph */
+
+static int print_all_graphs (yajl_gen handler) /* {{{ */
+{
+  const char *dynamic;
+  _Bool include_dynamic = 0;
+
+  dynamic = param ("dynamic");
+  if ((dynamic != NULL)
+      && (strcmp ("true", dynamic) == 0))
+    include_dynamic = 1;
+
+  yajl_gen_array_open (handler);
+
+  gl_graph_get_all (include_dynamic, print_one_graph,
+      /* user_data = */ handler);
+
+  yajl_gen_array_close (handler);
+
+  return (0);
+} /* }}} int print_all_graphs */
+
+int action_list_graphs_json (void) /* {{{ */
+{
+  graph_config_t *cfg;
+
+  yajl_gen_config handler_config;
+  yajl_gen handler;
+
+  time_t now;
+  char time_buffer[128];
+  int status;
+
+  memset (&handler_config, 0, sizeof (handler_config));
+  handler_config.beautify = 1;
+  handler_config.indentString = "  ";
+
+  handler = yajl_gen_alloc2 (write_callback,
+      &handler_config,
+      /* alloc functions = */ NULL,
+      /* context = */ NULL);
+  if (handler == NULL)
+    return (-1);
+
+  printf ("Content-Type: application/json\n");
+
+  now = time (NULL);
+  status = time_to_rfc1123 (now + 300, time_buffer, sizeof (time_buffer));
+  if (status == 0)
+    printf ("Expires: %s\n"
+        "Cache-Control: public\n",
+        time_buffer);
+  printf ("\n");
+
+  print_all_graphs (handler);
+
+  yajl_gen_free (handler);
+
+  return (status);
+} /* }}} int action_list_graphs_json */
+
+/* vim: set sw=2 sts=2 et fdm=marker : */

diff --git a/src/action_list_graphs_json.h b/src/action_list_graphs_json.h
new file mode 100644 (file)
index 0000000..ff65e34
--- /dev/null
+++ b/src/action_list_graphs_json.h
@@ -0,0 +1,30 @@
+/**
+ * collection4 - action_list_graphs_json.h
+ * Copyright (C) 2010,2011  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 ACTION_LIST_GRAPHS_JSON_H
+#define ACTION_LIST_GRAPHS_JSON_H 1
+
+int action_list_graphs_json (void);
+
+#endif /* ACTION_LIST_GRAPHS_JSON_H */
+/* vim: set sw=2 sts=2 et fdm=marker : */

diff --git a/src/main.c b/src/main.c
index 877f61b..d0e87c1 100644 (file)
--- a/src/main.c
+++ b/src/main.c
@@ -40,6 +40,7 @@
 #include "action_instance_data_json.h"
 #include "action_graph_def_json.h"
 #include "action_list_graphs.h"
+#include "action_list_graphs_json.h"
 #include "action_list_hosts.h"
 #include "action_search.h"
 #include "action_search_json.h"
@@ -67,6 +68,7 @@ static const action_t actions[] =
   { "instance_data_json", action_instance_data_json },
   { "graph_def_json", action_graph_def_json },
   { "list_graphs", action_list_graphs },
+  { "list_graphs_json", action_list_graphs_json },
   { "list_hosts",  action_list_hosts },
   { "search",      action_search },
   { "search_json", action_search_json },