index a2365173ac43bd0d68d11affff2c828843075241..6f919e3afdfdce142a054b71d18a8e8a81844c78 100644 (file)
--- a/src/action_list_graphs.c
+++ b/src/action_list_graphs.c
+/**
+ * collection4 - action_list_graphs.c
+ * Copyright (C) 2010 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 "action_list_graphs.h"
#include "common.h"
#include "graph.h"
-#include "graph_ident.h"
#include "graph_list.h"
#include "utils_cgi.h"
#include <fcgiapp.h>
#include <fcgi_stdio.h>
-#define RESULT_LIMIT 50
-
-struct callback_data_s
-{
- graph_config_t *cfg;
- int limit;
- _Bool first;
-};
-typedef struct callback_data_s callback_data_t;
-
-static int json_begin_graph (graph_config_t *cfg) /* {{{ */
-{
- char desc[1024];
-
- if (cfg == NULL)
- return (EINVAL);
-
- graph_get_title (cfg, desc, sizeof (desc));
-
- printf ("{\"title\":\"%s\",\"instances\":[", desc);
-
- return (0);
-} /* }}} int json_begin_graph */
-
-static int json_end_graph (void) /* {{{ */
+static int left_menu (__attribute__((unused)) void *user_data) /* {{{ */
{
- printf ("]}");
+ printf ("\n<ul class=\"menu left\">\n"
+ " <li><a href=\"%s?action=search\">Search</a></li>\n"
+ " <li><a href=\"%s?action=list_hosts\">All hosts</a></li>\n"
+ "</ul>\n",
+ script_name (), script_name ());
return (0);
-} /* }}} int json_end_graph */
+} /* }}} int left_menu */
-static int json_print_instance (graph_config_t *cfg, /* {{{ */
- graph_instance_t *inst)
+static int print_one_graph (graph_config_t *cfg, /* {{{ */
+ __attribute__((unused)) void *user_data)
{
char params[1024];
- char desc[1024];
-
- if ((cfg == NULL) || (inst == NULL))
- return (EINVAL);
-
- memset (desc, 0, sizeof (desc));
- inst_describe (cfg, inst, desc, sizeof (desc));
-
- memset (params, 0, sizeof (params));
- inst_get_params (cfg, inst, params, sizeof (params));
-
- printf ("{\"description\":\"%s\",\"params\":\"%s\"}",
- desc, params);
-
- return (0);
-} /* }}} int json_print_instance */
-
-static int print_graph_inst_json (graph_config_t *cfg, /* {{{ */
- graph_instance_t *inst,
- void *user_data)
-{
- callback_data_t *data = user_data;
-
- if (data->cfg != cfg)
- {
- if (!data->first)
- {
- json_end_graph ();
- printf (",\n");
- }
- json_begin_graph (cfg);
-
- data->cfg = cfg;
- data->first = 0;
- }
- else /* if (not first instance) */
- {
- printf (",\n");
- }
-
- json_print_instance (cfg, inst);
+ char title[1024];
+ size_t num_instances;
- if (data->limit > 0)
- data->limit--;
-
- if (data->limit == 0)
- return (1);
-
- return (0);
-} /* }}} int print_graph_inst_json */
-
-static int list_graphs_json (const char *term) /* {{{ */
-{
- callback_data_t data;
-
- time_t now;
- char time_buffer[128];
- int status;
-
- 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");
-
- data.cfg = NULL;
- data.limit = RESULT_LIMIT;
- data.first = 1;
-
- printf ("[\n");
- if (term == NULL)
- gl_instance_get_all (print_graph_inst_json, /* user_data = */ &data);
- else
- gl_search (term, print_graph_inst_json, /* user_data = */ &data);
-
- if (!data.first)
- json_end_graph ();
-
- printf ("\n]");
-
- return (0);
-} /* }}} int list_graphs_json */
-
-static int print_graph_inst_html (graph_config_t *cfg, /* {{{ */
- graph_instance_t *inst,
- void *user_data)
-{
- callback_data_t *data = user_data;
- char params[1024];
- char desc[1024];
-
- if (data->cfg != cfg)
- {
- if (data->cfg != NULL)
- printf (" </ul></li>\n");
-
- memset (desc, 0, sizeof (desc));
- graph_get_title (cfg, desc, sizeof (desc));
- html_escape_buffer (desc, sizeof (desc));
-
- printf (" <li class=\"graph\">%s\n"
- " <ul class=\"instance_list\">\n", desc);
+ num_instances = graph_num_instances (cfg);
+ if (num_instances < 1)
+ return (0);
- data->cfg = cfg;
- }
+ memset (title, 0, sizeof (title));
+ graph_get_title (cfg, title, sizeof (title));
+ html_escape_buffer (title, sizeof (title));
memset (params, 0, sizeof (params));
- inst_get_params (cfg, inst, params, sizeof (params));
+ graph_get_params (cfg, params, sizeof (params));
html_escape_buffer (params, sizeof (params));
- memset (desc, 0, sizeof (desc));
- inst_describe (cfg, inst, desc, sizeof (desc));
- html_escape_buffer (desc, sizeof (desc));
-
- printf (" <li class=\"instance\"><a href=\"%s?action=graph;%s\">%s</a></li>\n",
- script_name (), params, desc);
-
- if (data->limit > 0)
- data->limit--;
-
- /* Abort scan if limit is reached. */
- if (data->limit == 0)
- return (1);
+ printf (" <li class=\"graph\"><a href=\"%s?action=show_graph;%s\">"
+ "%s</a> <span class=\"num_instances\">(%lu %s)</span></li>\n",
+ script_name (), params, title,
+ (unsigned long) num_instances,
+ (num_instances == 1) ? "instance" : "instances");
return (0);
-} /* }}} int print_graph_inst_html */
+} /* }}} int print_one_graph */
-struct page_data_s
+static int print_all_graphs (__attribute__((unused)) void *user_data) /* {{{ */
{
- const char *search_term;
-};
-typedef struct page_data_s page_data_t;
+ const char *dynamic;
+ _Bool include_dynamic = 0;
-static int print_search_result (void *user_data) /* {{{ */
-{
- page_data_t *pg_data = user_data;
- callback_data_t cb_data = { NULL, /* limit = */ RESULT_LIMIT, /* first = */ 1 };
-
- printf (" <ul id=\"search-output\" class=\"graph_list\">\n");
- if (pg_data->search_term == NULL)
- gl_instance_get_all (print_graph_inst_html, /* user_data = */ &cb_data);
- else
- {
- char *term_lc = strtolower_copy (pg_data->search_term);
- gl_search (term_lc, print_graph_inst_html, /* user_data = */ &cb_data);
- free (term_lc);
- }
-
- if (cb_data.cfg != NULL)
- printf (" </ul></li>\n");
+ dynamic = param ("dynamic");
+ if ((dynamic != NULL)
+ && (strcmp ("true", dynamic) == 0))
+ include_dynamic = 1;
+ printf (" <ul class=\"graph_list\">\n");
+ gl_graph_get_all (include_dynamic, print_one_graph, /* user_data = */ NULL);
printf (" </ul>\n");
- return (0);
-} /* }}} int print_search_result */
-
-struct print_host_list_data_s
-{
- str_array_t *array;
- char *last_host;
-};
-typedef struct print_host_list_data_s print_host_list_data_t;
-
-static int print_host_list_callback (graph_config_t *cfg, /* {{{ */
- graph_instance_t *inst, void *user_data)
-{
- print_host_list_data_t *data = user_data;
- graph_ident_t *ident;
- const char *host;
-
- /* make compiler happy */
- cfg = NULL;
-
- ident = inst_get_selector (inst);
- if (ident == NULL)
- return (-1);
-
- host = ident_get_host (ident);
- if (host == NULL)
+ if (!include_dynamic)
{
- ident_destroy (ident);
- return (-1);
+ printf (" <div><a href=\"%s?action=list_graphs;dynamic=true\">"
+ "List dynamic graphs, too."
+ "</a></div>\n", script_name ());
}
- if (IS_ALL (host))
- return (0);
-
- if ((data->last_host != NULL)
- && (strcmp (data->last_host, host) == 0))
- {
- ident_destroy (ident);
- return (0);
- }
-
- free (data->last_host);
- data->last_host = strdup (host);
-
- array_append (data->array, host);
-
- ident_destroy (ident);
return (0);
-} /* }}} int print_host_list_callback */
-
-static int print_host_list (__attribute__((unused)) void *user_data) /* {{{ */
-{
- print_host_list_data_t data;
- int hosts_argc;
- char **hosts_argv;
- int i;
-
- data.array = array_create ();
- data.last_host = NULL;
-
- gl_instance_get_all (print_host_list_callback, &data);
-
- free (data.last_host);
- data.last_host = NULL;
-
- array_sort (data.array);
+} /* }}} int print_all_graphs */
- hosts_argc = array_argc (data.array);
- hosts_argv = array_argv (data.array);
-
- if (hosts_argc < 1)
- {
- array_destroy (data.array);
- return (0);
- }
-
- printf ("<ul id=\"host-list\">\n");
- for (i = 0; i < hosts_argc; i++)
- {
- char *host = hosts_argv[i];
- char *host_html;
-
- if ((data.last_host != NULL) && (strcmp (data.last_host, host) == 0))
- continue;
- data.last_host = host;
-
- host_html = html_escape (host);
-
- printf (" <li><a href=\"%s?action=list_graphs&search=%s\">%s</a></li>\n",
- script_name (), host_html, host_html);
-
- free (host_html);
- }
- printf ("</ul>\n");
-
- array_destroy (data.array);
-
- return (0);
-} /* }}} int print_host_list */
-
-static int list_graphs_html (const char *term) /* {{{ */
+int action_list_graphs (void) /* {{{ */
{
- page_data_t pg_data;
page_callbacks_t pg_callbacks = PAGE_CALLBACKS_INIT;
char title[512];
- if (term != NULL)
- snprintf (title, sizeof (title), "c4: Graphs matching \"%s\"", term);
- else
- strncpy (title, "c4: List of all graphs", sizeof (title));
+ strncpy (title, "List of all graphs", sizeof (title));
title[sizeof (title) - 1] = 0;
- memset (&pg_data, 0, sizeof (pg_data));
- pg_data.search_term = term;
-
pg_callbacks.top_right = html_print_search_box;
- pg_callbacks.middle_left = print_host_list;
- pg_callbacks.middle_center = print_search_result;
+ pg_callbacks.middle_left = left_menu;
+ pg_callbacks.middle_center = print_all_graphs;
- html_print_page (title, &pg_callbacks, &pg_data);
+ html_print_page (title, &pg_callbacks, /* user data = */ NULL);
return (0);
-} /* }}} int list_graphs_html */
-
-int action_list_graphs (void) /* {{{ */
-{
- const char *format;
- char *search;
- int status;
-
- gl_update ();
-
- search = strtolower_copy (param ("search"));
-
- format = param ("format");
- if (format == NULL)
- format = "html";
-
- if (strcmp ("json", format) == 0)
- status = list_graphs_json (search);
- else
- status = list_graphs_html (search);
-
- free (search);
-
- return (status);
} /* }}} int action_list_graphs */
/* vim: set sw=2 sts=2 et fdm=marker : */