show_instance action: Export graph and instance data in a more structured fashion.

[collection4.git] / src / action_show_instance.c

diff --git a/src/action_show_instance.c b/src/action_show_instance.c
index 86a5654..92bbf1c 100644 (file)
--- a/src/action_show_instance.c
+++ b/src/action_show_instance.c
@@ -70,10 +70,10 @@ static void show_breadcrump_field (const char *str, /* {{{ */
     char *str_html = html_escape (str);
 
     if (field_name != NULL)
-      printf ("<a href=\"%s?action=list_graphs;q=%s:%s\">%s</a>",
+      printf ("<a href=\"%s?action=search;q=%s:%s\">%s</a>",
           script_name (), field_name, str_html, str_html);
     else
-      printf ("<a href=\"%s?action=list_graphs;q=%s\">%s</a>",
+      printf ("<a href=\"%s?action=search;q=%s\">%s</a>",
           script_name (), str_html, str_html);
 
     free (str_html);
@@ -146,21 +146,126 @@ static int left_menu (void *user_data) /* {{{ */
 {
   show_graph_data_t *data = user_data;
   char params[1024];
+  graph_instance_t *inst;
+  graph_ident_t *ident;
+  const char *host;
 
   memset (params, 0, sizeof (params));
   graph_get_params (data->cfg, params, sizeof (params));
   html_escape_buffer (params, sizeof (params));
 
+  inst = inst_get_selected (data->cfg);
+  ident = inst_get_selector (inst);
+  host = ident_get_host (ident);
+  if (IS_ANY (host))
+    host = NULL;
+
   printf ("\n<ul class=\"menu left\">\n"
       "  <li><a href=\"%s?action=show_graph;%s\">All instances</a></li>\n"
-      "  <li><a href=\"%s?action=list_graphs\">All graphs</a></li>\n"
-      "</ul>\n",
+      "  <li><a href=\"%s?action=list_graphs\">All graphs</a></li>\n",
       script_name (), params,
       script_name ());
+  if (host != NULL)
+  {
+    char host_html[1024];
+    char host_uri[1024];
+
+    html_escape_copy (host_html, host, sizeof (host_html));
+    uri_escape_copy (host_uri, host, sizeof (host_uri));
+
+    printf ("  <li><a href=\"%s?action=search;q=host:%s\">Host &quot;%s&quot;</a></li>\n",
+        script_name (), host_uri, host_html);
+  }
+  printf ("</ul>\n");
+
+  host = NULL;
+  ident_destroy (ident);
 
   return (0);
 } /* }}} int left_menu */
 
+static int show_instance_json (graph_config_t *cfg, /* {{{ */
+    graph_instance_t *inst,
+    time_t begin, time_t end, int index)
+{
+  yajl_gen_config handler_config;
+  yajl_gen handler;
+  const unsigned char *json_buffer;
+  unsigned int json_buffer_length;
+
+  graph_ident_t *graph_selector;
+  graph_ident_t *inst_selector;
+
+  graph_selector = graph_get_selector (cfg);
+  if (graph_selector == NULL)
+    return (ENOMEM);
+
+  inst_selector = inst_get_selector (inst);
+  if (inst_selector == NULL)
+  {
+    ident_destroy (inst_selector);
+    return (ENOMEM);
+  }
+
+  memset (&handler_config, 0, sizeof (handler_config));
+  handler_config.beautify = 1;
+  handler_config.indentString = "  ";
+
+  handler = yajl_gen_alloc2 (/* callback = */ NULL,
+      &handler_config,
+      /* alloc functions = */ NULL,
+      /* context = */ NULL);
+  if (handler == NULL)
+  {
+    ident_destroy (inst_selector);
+    ident_destroy (graph_selector);
+    return (-1);
+  }
+
+  yajl_gen_map_open (handler);
+
+  yajl_gen_string (handler,
+      (unsigned char *) "graph_selector",
+      (unsigned int) strlen ("graph_selector"));
+  ident_to_json (graph_selector, handler);
+  ident_destroy (graph_selector);
+
+  yajl_gen_string (handler,
+      (unsigned char *) "instance_selector",
+      (unsigned int) strlen ("instance_selector"));
+  ident_to_json (inst_selector, handler);
+  ident_destroy (inst_selector);
+
+  yajl_gen_string (handler,
+      (unsigned char *) "begin",
+      (unsigned int) strlen ("begin"));
+  yajl_gen_integer (handler, (long int) begin);
+
+  yajl_gen_string (handler,
+      (unsigned char *) "end",
+      (unsigned int) strlen ("end"));
+  yajl_gen_integer (handler, (long int) end);
+
+  yajl_gen_map_close (handler);
+
+  json_buffer = NULL;
+  json_buffer_length = 0;
+  yajl_gen_get_buf (handler, &json_buffer, &json_buffer_length);
+
+  if (json_buffer == NULL)
+  {
+    yajl_gen_free (handler);
+    return (EINVAL);
+  }
+
+  printf ("<div id=\"c4-graph%i\" class=\"graph-json\"></div>\n", index);
+  printf ("<script type=\"text/javascript\">c4.instances[%i] = %s;</script>\n",
+      index, (const char *) json_buffer);
+
+  yajl_gen_free (handler);
+  return (0);
+} /* }}} int show_instance_json */
+
 static int show_instance_cb (graph_config_t *cfg, /* {{{ */
     graph_instance_t *inst,
     void *user_data)
@@ -212,6 +317,12 @@ static int show_instance_cb (graph_config_t *cfg, /* {{{ */
         "&quot;%s / %s&quot;</a>\n",
         script_name (), params, title, descr);
 
+  show_instance_json (cfg, inst, begin, end, data->graph_count);
+
+  printf ("<div style=\"clear: both;\"><a href=\"%s?action=graph_data_json;%s%s\">"
+      "Get graph data as JSON</a></div>\n",
+      script_name (), params, time_params);
+
   data->graph_count++;
 
   return (0);
@@ -220,15 +331,23 @@ static int show_instance_cb (graph_config_t *cfg, /* {{{ */
 static int show_instance (void *user_data) /* {{{ */
 {
   show_graph_data_t *data = user_data;
+  char params[1024];
   int status;
 
-  fprintf (stderr, "show_instance: Calling inst_get_all_selected()\n");
   status = inst_get_all_selected (data->cfg,
       /* callback = */ show_instance_cb, /* user data = */ data);
   if (status != 0)
     fprintf (stderr, "show_instance: inst_get_all_selected failed "
         "with status %i\n", status);
 
+  memset (params, 0, sizeof (params));
+  graph_get_params (data->cfg, params, sizeof (params));
+  html_escape_buffer (params, sizeof (params));
+
+  printf ("<div style=\"clear: both;\"><a href=\"%s?action=graph_def_json;%s\">"
+      "Get graph definition as JSON</a></div>\n",
+      script_name (), params);
+
   return (0);
 } /* }}} int show_instance */