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.h"
42 #include "action_search_json.h"
43 #include "action_show_graph.h"
44 #include "action_show_graph_json.h"
45 #include "action_show_instance.h"
47 /* Include this last, so the macro magic of <fcgi_stdio.h> doesn't interfere
48 * with our own header files. */
49 #include <fcgiapp.h>
50 #include <fcgi_stdio.h>
52 struct action_s
53 {
54 const char *name;
55 int (*callback) (void);
56 };
57 typedef struct action_s action_t;
59 static int action_usage (void);
61 static const action_t actions[] =
62 {
63 { "graph", action_graph },
64 { "list_graphs", action_list_graphs },
65 { "search", action_search },
66 { "search_json", action_search_json },
67 { "show_graph", action_show_graph },
68 { "show_graph_json", action_show_graph_json },
69 { "show_instance", action_show_instance },
70 { "usage", action_usage }
71 };
72 static const size_t actions_num = sizeof (actions) / sizeof (actions[0]);
75 static int action_usage (void) /* {{{ */
76 {
77 size_t i;
79 printf ("Content-Type: text/plain\n\n");
81 printf ("Usage:\n"
82 "\n"
83 " Available actions:\n"
84 "\n");
86 for (i = 0; i < actions_num; i++)
87 printf (" * %s\n", actions[i].name);
89 printf ("\n");
91 return (0);
92 } /* }}} int action_usage */
94 static int handle_request (void) /* {{{ */
95 {
96 const char *action;
98 param_init ();
100 action = param ("action");
101 if (action == NULL)
102 {
103 return (action_usage ());
104 }
105 else
106 {
107 size_t i;
109 for (i = 0; i < actions_num; i++)
110 {
111 if (strcmp (action, actions[i].name) == 0)
112 return ((*actions[i].callback) ());
113 }
115 return (action_usage ());
116 }
117 } /* }}} int handle_request */
119 static int run (void) /* {{{ */
120 {
121 while (FCGI_Accept() >= 0)
122 {
123 handle_request ();
124 param_finish ();
125 }
127 return (0);
128 } /* }}} int run */
130 int main (int argc, char **argv) /* {{{ */
131 {
132 int status;
134 argc = 0;
135 argv = NULL;
137 if (FCGX_IsCGI ())
138 status = handle_request ();
139 else
140 status = run ();
142 exit ((status == 0) ? EXIT_SUCCESS : EXIT_FAILURE);
143 } /* }}} int main */
145 /* vim: set sw=2 sts=2 et fdm=marker : */