1 /**
2 * collection4 - main.c
3 * Copyright (C) 2010 Florian octo Forster
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 * Boston, MA 02110-1301 USA
19 *
20 * Authors:
21 * Florian octo Forster <ff at octo.it>
22 **/
24 #include <stdlib.h>
25 #include <stdio.h>
26 #include <string.h>
27 #include <strings.h>
28 #include <errno.h>
30 #include <sys/types.h>
31 #include <sys/stat.h>
32 #include <unistd.h>
33 #include <dirent.h>
35 #include "common.h"
36 #include "graph_list.h"
37 #include "utils_cgi.h"
39 #include "action_graph.h"
40 #include "action_list_graphs.h"
41 #include "action_search_json.h"
42 #include "action_show_graph.h"
43 #include "action_show_instance.h"
45 /* Include this last, so the macro magic of <fcgi_stdio.h> doesn't interfere
46 * with our own header files. */
47 #include <fcgiapp.h>
48 #include <fcgi_stdio.h>
50 struct action_s
51 {
52 const char *name;
53 int (*callback) (void);
54 };
55 typedef struct action_s action_t;
57 static int action_usage (void);
59 static const action_t actions[] =
60 {
61 { "graph", action_graph },
62 { "list_graphs", action_list_graphs },
63 { "search_json", action_search_json },
64 { "show_graph", action_show_graph },
65 { "show_instance", action_show_instance },
66 { "usage", action_usage }
67 };
68 static const size_t actions_num = sizeof (actions) / sizeof (actions[0]);
71 static int action_usage (void) /* {{{ */
72 {
73 size_t i;
75 printf ("Content-Type: text/plain\n\n");
77 printf ("Usage:\n"
78 "\n"
79 " Available actions:\n"
80 "\n");
82 for (i = 0; i < actions_num; i++)
83 printf (" * %s\n", actions[i].name);
85 printf ("\n");
87 return (0);
88 } /* }}} int action_usage */
90 static int handle_request (void) /* {{{ */
91 {
92 const char *action;
94 param_init ();
96 action = param ("action");
97 if (action == NULL)
98 {
99 return (action_usage ());
100 }
101 else
102 {
103 size_t i;
105 for (i = 0; i < actions_num; i++)
106 {
107 if (strcmp (action, actions[i].name) == 0)
108 return ((*actions[i].callback) ());
109 }
111 return (action_usage ());
112 }
113 } /* }}} int handle_request */
115 static int run (void) /* {{{ */
116 {
117 while (FCGI_Accept() >= 0)
118 {
119 handle_request ();
120 param_finish ();
121 }
123 return (0);
124 } /* }}} int run */
126 int main (int argc, char **argv) /* {{{ */
127 {
128 int status;
130 argc = 0;
131 argv = NULL;
133 if (FCGX_IsCGI ())
134 status = handle_request ();
135 else
136 status = run ();
138 exit ((status == 0) ? EXIT_SUCCESS : EXIT_FAILURE);
139 } /* }}} int main */
141 /* vim: set sw=2 sts=2 et fdm=marker : */