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

[collection4.git] / src / graph.c

diff --git a/src/graph.c b/src/graph.c
index 154af77..6b89859 100644 (file)
--- a/src/graph.c
+++ b/src/graph.c
@@ -14,7 +14,7 @@
 #include "graph_config.h"
 #include "common.h"
 #include "filesystem.h"
-#include "utils_params.h"
+#include "utils_cgi.h"
 
 #include <fcgiapp.h>
 #include <fcgi_stdio.h>
@@ -28,6 +28,7 @@ struct graph_config_s /* {{{ */
 
   char *title;
   char *vertical_label;
+  _Bool show_zero;
 
   graph_def_t *defs;
 
@@ -154,6 +155,8 @@ int graph_config_add (const oconfig_item_t *ci) /* {{{ */
       graph_config_get_string (child, &cfg->title);
     else if (strcasecmp ("VerticalLabel", child->key) == 0)
       graph_config_get_string (child, &cfg->vertical_label);
+    else if (strcasecmp ("ShowZero", child->key) == 0)
+      graph_config_get_bool (child, &cfg->show_zero);
     else if (strcasecmp ("DEF", child->key) == 0)
       def_config (cfg, child);
   } /* for */
@@ -201,6 +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)
@@ -247,6 +279,65 @@ _Bool graph_matches (graph_config_t *cfg, const graph_ident_t *ident) /* {{{ */
   return (ident_matches (cfg->select, ident));
 } /* }}} _Bool graph_matches */
 
+struct graph_search_data_s
+{
+  graph_config_t *cfg;
+  graph_inst_callback_t callback;
+  void *user_data;
+};
+typedef struct graph_search_data_s graph_search_data_t;
+
+static int graph_search_submit (graph_instance_t *inst, /* {{{ */
+    void *user_data)
+{
+  graph_search_data_t *data = user_data;
+
+  if ((inst == NULL) || (data == NULL))
+    return (EINVAL);
+
+  return ((*data->callback) (data->cfg, inst, data->user_data));
+} /* }}} int graph_search_submit */
+
+int graph_inst_foreach (graph_config_t *cfg, /* {{{ */
+               inst_callback_t cb, void *user_data)
+{
+  return (inst_foreach (cfg->instances, cb, user_data));
+} /* }}} int graph_inst_foreach */
+
+int graph_search (graph_config_t *cfg, const char *term, /* {{{ */
+    graph_inst_callback_t callback,
+    void *user_data)
+{
+  graph_search_data_t data = { cfg, callback, user_data };
+  char buffer[1024];
+  int status;
+
+  status = graph_get_title (cfg, buffer, sizeof (buffer));
+  if (status != 0)
+  {
+    fprintf (stderr, "graph_search: graph_get_title failed\n");
+    return (status);
+  }
+
+  strtolower (buffer);
+
+  if (strstr (buffer, term) != NULL)
+  {
+    status = inst_foreach (cfg->instances, graph_search_submit, &data);
+    if (status != 0)
+      return (status);
+  }
+  else
+  {
+    status = inst_search (cfg, cfg->instances, term,
+        graph_search_submit, &data);
+    if (status != 0)
+      return (status);
+  }
+
+  return (0);
+} /* }}} int graph_search */
+
 int graph_compare (graph_config_t *cfg, const graph_ident_t *ident) /* {{{ */
 {
   if ((cfg == NULL) || (ident == NULL))
@@ -284,6 +375,12 @@ int graph_get_rrdargs (graph_config_t *cfg, graph_instance_t *inst, /* {{{ */
     array_append (args, cfg->vertical_label);
   }
 
+  if (cfg->show_zero)
+  {
+    array_append (args, "-l");
+    array_append (args, "0");
+  }
+
   return (0);
 } /* }}} int graph_get_rrdargs */