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_list_hosts.h"
42 #include "action_search.h"
43 #include "action_search_json.h"
44 #include "action_show_graph.h"
45 #include "action_show_graph_json.h"
46 #include "action_show_instance.h"
48 /* Include this last, so the macro magic of <fcgi_stdio.h> doesn't interfere
49 * with our own header files. */
50 #include <fcgiapp.h>
51 #include <fcgi_stdio.h>
53 struct action_s
54 {
55 const char *name;
56 int (*callback) (void);
57 };
58 typedef struct action_s action_t;
60 static int action_usage (void);
62 static const action_t actions[] =
63 {
64 { "graph", action_graph },
65 { "list_graphs", action_list_graphs },
66 { "list_hosts", action_list_hosts },
67 { "search", action_search },
68 { "search_json", action_search_json },
69 { "show_graph", action_show_graph },
70 { "show_graph_json", action_show_graph_json },
71 { "show_instance", action_show_instance },
72 { "usage", action_usage }
73 };
74 static const size_t actions_num = sizeof (actions) / sizeof (actions[0]);
77 static int action_usage (void) /* {{{ */
78 {
79 size_t i;
81 printf ("Content-Type: text/plain\n\n");
83 printf ("Usage:\n"
84 "\n"
85 " Available actions:\n"
86 "\n");
88 for (i = 0; i < actions_num; i++)
89 printf (" * %s\n", actions[i].name);
91 printf ("\n");
93 return (0);
94 } /* }}} int action_usage */
96 static int handle_request (void) /* {{{ */
97 {
98 const char *action;
100 param_init ();
102 action = param ("action");
103 if (action == NULL)
104 {
105 return (action_usage ());
106 }
107 else
108 {
109 size_t i;
111 for (i = 0; i < actions_num; i++)
112 {
113 if (strcmp (action, actions[i].name) == 0)
114 return ((*actions[i].callback) ());
115 }
117 return (action_usage ());
118 }
119 } /* }}} int handle_request */
121 static int run (void) /* {{{ */
122 {
123 while (FCGI_Accept() >= 0)
124 {
125 handle_request ();
126 param_finish ();
127 }
129 return (0);
130 } /* }}} int run */
132 int main (int argc, char **argv) /* {{{ */
133 {
134 int status;
136 argc = 0;
137 argv = NULL;
139 if (FCGX_IsCGI ())
140 status = handle_request ();
141 else
142 status = run ();
144 exit ((status == 0) ? EXIT_SUCCESS : EXIT_FAILURE);
145 } /* }}} int main */
147 /* vim: set sw=2 sts=2 et fdm=marker : */