#include <errno.h>
#include "action_list_graphs.h"
+#include "common.h"
#include "graph.h"
#include "graph_ident.h"
#include "graph_list.h"
#include <fcgiapp.h>
#include <fcgi_stdio.h>
-static int print_graph_inst_json (__attribute__((unused)) graph_config_t *cfg, /* {{{ */
+#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) /* {{{ */
+{
+ printf ("]}");
+
+ return (0);
+} /* }}} int json_end_graph */
+
+static int json_print_instance (graph_config_t *cfg, /* {{{ */
+ graph_instance_t *inst)
+{
+ 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)
{
- _Bool *first;
- graph_ident_t *ident;
- char *json;
-
- first = user_data;
+ callback_data_t *data = user_data;
- ident = inst_get_selector (inst);
- if (ident == NULL)
- return (-1);
+ if (data->cfg != cfg)
+ {
+ if (!data->first)
+ {
+ json_end_graph ();
+ printf (",\n");
+ }
+ json_begin_graph (cfg);
- json = ident_to_json (ident);
- if (json == NULL)
+ data->cfg = cfg;
+ data->first = 0;
+ }
+ else /* if (not first instance) */
{
- ident_destroy (ident);
- return (ENOMEM);
+ printf (",\n");
}
- if (*first)
- printf ("%s", json);
- else
- printf (",\n%s", json);
+ json_print_instance (cfg, inst);
- *first = 0;
+ if (data->limit > 0)
+ data->limit--;
+
+ if (data->limit == 0)
+ return (1);
- ident_destroy (ident);
return (0);
} /* }}} int print_graph_inst_json */
-static int print_graph_json (graph_config_t *cfg, /* {{{ */
- void *user_data)
+static int list_graphs_json (const char *term) /* {{{ */
{
- return (gl_graph_instance_get_all (cfg, print_graph_inst_json, user_data));
-} /* }}} int print_graph_json */
+ callback_data_t data;
-static int list_graphs_json (void) /* {{{ */
-{
- _Bool first = 1;
+ time_t now;
+ char time_buffer[128];
+ int status;
- printf ("Content-Type: application/json\n\n");
+ 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");
- gl_graph_get_all (print_graph_json, /* user_data = */ &first);
+ 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 */
-struct callback_data_s
-{
- graph_config_t *cfg;
- int limit;
-};
-typedef struct callback_data_s callback_data_t;
-
static int print_graph_inst_html (graph_config_t *cfg, /* {{{ */
graph_instance_t *inst,
void *user_data)
return (0);
} /* }}} int print_graph_inst_html */
-static int list_graphs_html (const char *term) /* {{{ */
+struct page_data_s
{
- callback_data_t data = { NULL, /* limit = */ 20 };
- char *term_html;
+ const char *search_term;
+};
+typedef struct page_data_s page_data_t;
- term_html = NULL;
- if (term != NULL)
- term_html = html_escape (term);
+static int print_search_box (void *user_data) /* {{{ */
+{
+ page_data_t *data = user_data;
+ char *term_html;
- printf ("Content-Type: text/html\n\n");
+ if (data == NULL)
+ {
+ fprintf (stderr, "print_search_box: data == NULL\n");
+ return (EINVAL);
+ }
- printf ("<html>\n <head>\n");
- if (term != NULL)
- printf (" <title>c4: Graphs matching "%s"</title>\n", term);
- else
- printf (" <title>c4: List of all graphs</title>\n");
- printf (" <link rel=\"stylesheet\" type=\"text/css\" href=\"../share/style.css\" />\n");
- printf (" </head>\n <body>\n");
+ term_html = html_escape (data->search_term);
printf ("<form action=\"%s\" method=\"get\">\n"
" <input type=\"hidden\" name=\"action\" value=\"list_graphs\" />\n"
- " <input type=\"text\" name=\"search\" value=\"%s\" />\n"
+ " <input type=\"text\" name=\"search\" value=\"%s\" id=\"search-input\" />\n"
" <input type=\"submit\" name=\"button\" value=\"Search\" />\n"
"</form>\n",
- script_name (), (term_html != NULL) ? term_html : "");
+ script_name (),
+ (term_html != NULL) ? term_html : "");
free (term_html);
- printf (" <ul class=\"graph_list\">\n");
- if (term == NULL)
- gl_instance_get_all (print_graph_inst_html, /* user_data = */ &data);
+ return (0);
+} /* }}} int print_search_box */
+
+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
- gl_search (term, print_graph_inst_html, /* user_data = */ &data);
+ {
+ 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 (data.cfg != NULL)
+ if (cb_data.cfg != NULL)
printf (" </ul></li>\n");
printf (" </ul>\n");
- printf (" </body>\n</html>\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)
+ {
+ ident_destroy (ident);
+ return (-1);
+ }
+
+ 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);
+
+ 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) /* {{{ */
+{
+ 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));
+ title[sizeof (title) - 1] = 0;
+
+ memset (&pg_data, 0, sizeof (pg_data));
+ pg_data.search_term = term;
+
+ pg_callbacks.top_right = print_search_box;
+ pg_callbacks.middle_left = print_host_list;
+ pg_callbacks.middle_center = print_search_result;
+
+ html_print_page (title, &pg_callbacks, &pg_data);
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)
- return (list_graphs_json ());
+ status = list_graphs_json (search);
else
- return (list_graphs_html (param ("search")));
+ status = list_graphs_html (search);
+
+ free (search);
+
+ return (status);
} /* }}} int action_list_graphs */
/* vim: set sw=2 sts=2 et fdm=marker : */