1 #include <stdlib.h>
2 #include <stdio.h>
3 #include <string.h>
4 #include <errno.h>
6 #include "action_list_graphs.h"
7 #include "common.h"
8 #include "graph.h"
9 #include "graph_ident.h"
10 #include "graph_list.h"
11 #include "utils_cgi.h"
13 #include <fcgiapp.h>
14 #include <fcgi_stdio.h>
16 #define RESULT_LIMIT 50
18 struct callback_data_s
19 {
20 graph_config_t *cfg;
21 int limit;
22 _Bool first;
23 };
24 typedef struct callback_data_s callback_data_t;
26 static int json_begin_graph (graph_config_t *cfg) /* {{{ */
27 {
28 char desc[1024];
30 if (cfg == NULL)
31 return (EINVAL);
33 graph_get_title (cfg, desc, sizeof (desc));
35 printf ("{\"title\":\"%s\",\"instances\":[", desc);
37 return (0);
38 } /* }}} int json_begin_graph */
40 static int json_end_graph (void) /* {{{ */
41 {
42 printf ("]}");
44 return (0);
45 } /* }}} int json_end_graph */
47 static int json_print_instance (graph_config_t *cfg, /* {{{ */
48 graph_instance_t *inst)
49 {
50 char params[1024];
51 char desc[1024];
53 if ((cfg == NULL) || (inst == NULL))
54 return (EINVAL);
56 memset (desc, 0, sizeof (desc));
57 inst_describe (cfg, inst, desc, sizeof (desc));
59 memset (params, 0, sizeof (params));
60 inst_get_params (cfg, inst, params, sizeof (params));
62 printf ("{\"description\":\"%s\",\"params\":\"%s\"}",
63 desc, params);
65 return (0);
66 } /* }}} int json_print_instance */
68 static int print_graph_inst_json (graph_config_t *cfg, /* {{{ */
69 graph_instance_t *inst,
70 void *user_data)
71 {
72 callback_data_t *data = user_data;
74 if (data->cfg != cfg)
75 {
76 if (!data->first)
77 {
78 json_end_graph ();
79 printf (",\n");
80 }
81 json_begin_graph (cfg);
83 data->cfg = cfg;
84 data->first = 0;
85 }
86 else /* if (not first instance) */
87 {
88 printf (",\n");
89 }
91 json_print_instance (cfg, inst);
93 if (data->limit > 0)
94 data->limit--;
96 if (data->limit == 0)
97 return (1);
99 return (0);
100 } /* }}} int print_graph_inst_json */
102 static int list_graphs_json (const char *term) /* {{{ */
103 {
104 callback_data_t data;
106 time_t now;
107 char time_buffer[128];
108 int status;
110 printf ("Content-Type: application/json\n");
112 now = time (NULL);
113 status = time_to_rfc1123 (now + 300, time_buffer, sizeof (time_buffer));
114 if (status == 0)
115 printf ("Expires: %s\n"
116 "Cache-Control: public\n",
117 time_buffer);
118 printf ("\n");
120 data.cfg = NULL;
121 data.limit = RESULT_LIMIT;
122 data.first = 1;
124 printf ("[\n");
125 if (term == NULL)
126 gl_instance_get_all (print_graph_inst_json, /* user_data = */ &data);
127 else
128 gl_search (term, print_graph_inst_json, /* user_data = */ &data);
130 if (!data.first)
131 json_end_graph ();
133 printf ("\n]");
135 return (0);
136 } /* }}} int list_graphs_json */
138 static int print_graph_inst_html (graph_config_t *cfg, /* {{{ */
139 graph_instance_t *inst,
140 void *user_data)
141 {
142 callback_data_t *data = user_data;
143 char params[1024];
144 char desc[1024];
146 if (data->cfg != cfg)
147 {
148 if (data->cfg != NULL)
149 printf (" </ul></li>\n");
151 memset (desc, 0, sizeof (desc));
152 graph_get_title (cfg, desc, sizeof (desc));
153 html_escape_buffer (desc, sizeof (desc));
155 printf (" <li class=\"graph\">%s\n"
156 " <ul class=\"instance_list\">\n", desc);
158 data->cfg = cfg;
159 }
161 memset (params, 0, sizeof (params));
162 inst_get_params (cfg, inst, params, sizeof (params));
163 html_escape_buffer (params, sizeof (params));
165 memset (desc, 0, sizeof (desc));
166 inst_describe (cfg, inst, desc, sizeof (desc));
167 html_escape_buffer (desc, sizeof (desc));
169 printf (" <li class=\"instance\"><a href=\"%s?action=graph;%s\">%s</a></li>\n",
170 script_name (), params, desc);
172 if (data->limit > 0)
173 data->limit--;
175 /* Abort scan if limit is reached. */
176 if (data->limit == 0)
177 return (1);
179 return (0);
180 } /* }}} int print_graph_inst_html */
182 struct page_data_s
183 {
184 const char *search_term;
185 };
186 typedef struct page_data_s page_data_t;
188 static int print_search_result (void *user_data) /* {{{ */
189 {
190 page_data_t *pg_data = user_data;
191 callback_data_t cb_data = { NULL, /* limit = */ RESULT_LIMIT, /* first = */ 1 };
193 printf (" <ul id=\"search-output\" class=\"graph_list\">\n");
194 if (pg_data->search_term == NULL)
195 gl_instance_get_all (print_graph_inst_html, /* user_data = */ &cb_data);
196 else
197 {
198 char *term_lc = strtolower_copy (pg_data->search_term);
199 gl_search (term_lc, print_graph_inst_html, /* user_data = */ &cb_data);
200 free (term_lc);
201 }
203 if (cb_data.cfg != NULL)
204 printf (" </ul></li>\n");
206 printf (" </ul>\n");
208 return (0);
209 } /* }}} int print_search_result */
211 struct print_host_list_data_s
212 {
213 str_array_t *array;
214 char *last_host;
215 };
216 typedef struct print_host_list_data_s print_host_list_data_t;
218 static int print_host_list_callback (graph_config_t *cfg, /* {{{ */
219 graph_instance_t *inst, void *user_data)
220 {
221 print_host_list_data_t *data = user_data;
222 graph_ident_t *ident;
223 const char *host;
225 /* make compiler happy */
226 cfg = NULL;
228 ident = inst_get_selector (inst);
229 if (ident == NULL)
230 return (-1);
232 host = ident_get_host (ident);
233 if (host == NULL)
234 {
235 ident_destroy (ident);
236 return (-1);
237 }
239 if (IS_ALL (host))
240 return (0);
242 if ((data->last_host != NULL)
243 && (strcmp (data->last_host, host) == 0))
244 {
245 ident_destroy (ident);
246 return (0);
247 }
249 free (data->last_host);
250 data->last_host = strdup (host);
252 array_append (data->array, host);
254 ident_destroy (ident);
255 return (0);
256 } /* }}} int print_host_list_callback */
258 static int print_host_list (__attribute__((unused)) void *user_data) /* {{{ */
259 {
260 print_host_list_data_t data;
261 int hosts_argc;
262 char **hosts_argv;
263 int i;
265 data.array = array_create ();
266 data.last_host = NULL;
268 gl_instance_get_all (print_host_list_callback, &data);
270 free (data.last_host);
271 data.last_host = NULL;
273 array_sort (data.array);
275 hosts_argc = array_argc (data.array);
276 hosts_argv = array_argv (data.array);
278 if (hosts_argc < 1)
279 {
280 array_destroy (data.array);
281 return (0);
282 }
284 printf ("<ul id=\"host-list\">\n");
285 for (i = 0; i < hosts_argc; i++)
286 {
287 char *host = hosts_argv[i];
288 char *host_html;
290 if ((data.last_host != NULL) && (strcmp (data.last_host, host) == 0))
291 continue;
292 data.last_host = host;
294 host_html = html_escape (host);
296 printf (" <li><a href=\"%s?action=list_graphs&search=%s\">%s</a></li>\n",
297 script_name (), host_html, host_html);
299 free (host_html);
300 }
301 printf ("</ul>\n");
303 array_destroy (data.array);
305 return (0);
306 } /* }}} int print_host_list */
308 static int list_graphs_html (const char *term) /* {{{ */
309 {
310 page_data_t pg_data;
311 page_callbacks_t pg_callbacks = PAGE_CALLBACKS_INIT;
312 char title[512];
314 if (term != NULL)
315 snprintf (title, sizeof (title), "c4: Graphs matching \"%s\"", term);
316 else
317 strncpy (title, "c4: List of all graphs", sizeof (title));
318 title[sizeof (title) - 1] = 0;
320 memset (&pg_data, 0, sizeof (pg_data));
321 pg_data.search_term = term;
323 pg_callbacks.top_right = html_print_search_box;
324 pg_callbacks.middle_left = print_host_list;
325 pg_callbacks.middle_center = print_search_result;
327 html_print_page (title, &pg_callbacks, &pg_data);
329 return (0);
330 } /* }}} int list_graphs_html */
332 int action_list_graphs (void) /* {{{ */
333 {
334 const char *format;
335 char *search;
336 int status;
338 gl_update ();
340 search = strtolower_copy (param ("search"));
342 format = param ("format");
343 if (format == NULL)
344 format = "html";
346 if (strcmp ("json", format) == 0)
347 status = list_graphs_json (search);
348 else
349 status = list_graphs_html (search);
351 free (search);
353 return (status);
354 } /* }}} int action_list_graphs */
356 /* vim: set sw=2 sts=2 et fdm=marker : */