1 /**
2 * collectd - src/utils_cms_putnotif.c
3 * Copyright (C) 2008 Florian octo Forster
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License as published by the
7 * Free Software Foundation; only version 2 of the License is applicable.
8 *
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
17 *
18 * Author:
19 * Florian octo Forster <octo at verplant.org>
20 **/
22 #include "collectd.h"
23 #include "common.h"
24 #include "plugin.h"
26 #include "utils_parse_option.h"
28 #define print_to_socket(fh, ...) \
29 if (fprintf (fh, __VA_ARGS__) < 0) { \
30 char errbuf[1024]; \
31 WARNING ("handle_putnotif: failed to write to socket #%i: %s", \
32 fileno (fh), sstrerror (errno, errbuf, sizeof (errbuf))); \
33 return -1; \
34 }
36 static int set_option_severity (notification_t *n, const char *value)
37 {
38 if (strcasecmp (value, "Failure") == 0)
39 n->severity = NOTIF_FAILURE;
40 else if (strcasecmp (value, "Warning") == 0)
41 n->severity = NOTIF_WARNING;
42 else if (strcasecmp (value, "Okay") == 0)
43 n->severity = NOTIF_OKAY;
44 else
45 return (-1);
47 return (0);
48 } /* int set_option_severity */
50 static int set_option_time (notification_t *n, const char *value)
51 {
52 time_t tmp;
54 tmp = (time_t) atoi (value);
55 if (tmp <= 0)
56 return (-1);
58 n->time = tmp;
60 return (0);
61 } /* int set_option_time */
63 static int set_option (notification_t *n, const char *option, const char *value)
64 {
65 if ((n == NULL) || (option == NULL) || (value == NULL))
66 return (-1);
68 DEBUG ("utils_cmd_putnotif: set_option (option = %s, value = %s);",
69 option, value);
71 if (strcasecmp ("severity", option) == 0)
72 return (set_option_severity (n, value));
73 else if (strcasecmp ("time", option) == 0)
74 return (set_option_time (n, value));
75 else if (strcasecmp ("message", option) == 0)
76 sstrncpy (n->message, value, sizeof (n->message));
77 else if (strcasecmp ("host", option) == 0)
78 sstrncpy (n->host, value, sizeof (n->host));
79 else if (strcasecmp ("plugin", option) == 0)
80 sstrncpy (n->plugin, value, sizeof (n->plugin));
81 else if (strcasecmp ("plugin_instance", option) == 0)
82 sstrncpy (n->plugin_instance, value, sizeof (n->plugin_instance));
83 else if (strcasecmp ("type", option) == 0)
84 sstrncpy (n->type, value, sizeof (n->type));
85 else if (strcasecmp ("type_instance", option) == 0)
86 sstrncpy (n->type_instance, value, sizeof (n->type_instance));
87 else
88 return (1);
90 return (0);
91 } /* int set_option */
93 int handle_putnotif (FILE *fh, char *buffer)
94 {
95 char *command;
96 notification_t n;
97 int status;
99 if ((fh == NULL) || (buffer == NULL))
100 return (-1);
102 DEBUG ("utils_cmd_putnotif: handle_putnotif (fh = %p, buffer = %s);",
103 (void *) fh, buffer);
105 command = NULL;
106 status = parse_string (&buffer, &command);
107 if (status != 0)
108 {
109 print_to_socket (fh, "-1 Cannot parse command.\n");
110 return (-1);
111 }
112 assert (command != NULL);
114 if (strcasecmp ("PUTNOTIF", command) != 0)
115 {
116 print_to_socket (fh, "-1 Unexpected command: `%s'.\n", command);
117 return (-1);
118 }
120 memset (&n, '\0', sizeof (n));
122 status = 0;
123 while (*buffer != 0)
124 {
125 char *key;
126 char *value;
128 status = parse_option (&buffer, &key, &value);
129 if (status != 0)
130 {
131 print_to_socket (fh, "-1 Malformed option.\n");
132 break;
133 }
135 status = set_option (&n, key, value);
136 if (status != 0)
137 {
138 print_to_socket (fh, "-1 Error parsing option `%s'\n", key);
139 break;
140 }
141 } /* for (i) */
143 /* Check for required fields and complain if anything is missing. */
144 if ((status == 0) && (n.severity == 0))
145 {
146 print_to_socket (fh, "-1 Option `severity' missing.\n");
147 status = -1;
148 }
149 if ((status == 0) && (n.time == 0))
150 {
151 print_to_socket (fh, "-1 Option `time' missing.\n");
152 status = -1;
153 }
154 if ((status == 0) && (strlen (n.message) == 0))
155 {
156 print_to_socket (fh, "-1 No message or message of length 0 given.\n");
157 status = -1;
158 }
160 /* If status is still zero the notification is fine and we can finally
161 * dispatch it. */
162 if (status == 0)
163 {
164 plugin_dispatch_notification (&n);
165 print_to_socket (fh, "0 Success\n");
166 }
168 return (0);
169 } /* int handle_putnotif */
171 /* vim: set shiftwidth=2 softtabstop=2 tabstop=8 : */