7e26be7b54774c9dfc1bfad36e14a7e447d89f6d
1 /**
2 * collectd - src/utils_cmd_flush.c
3 * Copyright (C) 2008, 2016 Sebastian Harl
4 * Copyright (C) 2008 Florian Forster
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 *
24 * Authors:
25 * Sebastian "tokkee" Harl <sh at tokkee.org>
26 * Florian "octo" Forster <octo at collectd.org>
27 **/
29 #include "collectd.h"
31 #include "common.h"
32 #include "plugin.h"
33 #include "utils_parse_option.h"
34 #include "utils_cmd_flush.h"
36 cmd_status_t cmd_parse_flush (size_t argc, char **argv,
37 cmd_flush_t *ret_flush, cmd_error_handler_t *err)
38 {
39 if (ret_flush == NULL)
40 {
41 errno = EINVAL;
42 cmd_error (CMD_ERROR, err, "Invalid arguments to cmd_parse_flush.");
43 return (CMD_ERROR);
44 }
46 for (size_t i = 0; i < argc; i++)
47 {
48 char *opt_key;
49 char *opt_value;
50 int status;
52 opt_key = NULL;
53 opt_value = NULL;
54 status = cmd_parse_option (argv[i], &opt_key, &opt_value, err);
55 if (status != 0)
56 {
57 if (status == CMD_NO_OPTION)
58 cmd_error (CMD_PARSE_ERROR, err,
59 "Invalid option string `%s'.", argv[i]);
60 cmd_destroy_flush (ret_flush);
61 return (CMD_PARSE_ERROR);
62 }
64 if (strcasecmp ("plugin", opt_key) == 0)
65 {
66 strarray_add (&ret_flush->plugins, &ret_flush->plugins_num,
67 opt_value);
68 }
69 else if (strcasecmp ("identifier", opt_key) == 0)
70 {
71 identifier_t *id = realloc (ret_flush->identifiers,
72 (ret_flush->identifiers_num + 1) * sizeof (*id));
73 if (id == NULL)
74 {
75 cmd_error (CMD_ERROR, err, "realloc failed.");
76 cmd_destroy_flush (ret_flush);
77 return (CMD_ERROR);
78 }
80 ret_flush->identifiers = id;
81 id = ret_flush->identifiers + ret_flush->identifiers_num;
82 ret_flush->identifiers_num++;
83 if (parse_identifier (opt_value,
84 &id->host, &id->plugin, &id->plugin_instance,
85 &id->type, &id->type_instance,
86 NULL) != 0)
87 {
88 cmd_error (CMD_PARSE_ERROR, err,
89 "Invalid identifier `%s'.", opt_value);
90 cmd_destroy_flush (ret_flush);
91 return (CMD_PARSE_ERROR);
92 }
93 }
94 else if (strcasecmp ("timeout", opt_key) == 0)
95 {
96 char *endptr;
98 errno = 0;
99 endptr = NULL;
100 ret_flush->timeout = strtod (opt_value, &endptr);
102 if ((endptr == opt_value) || (errno != 0)
103 || (!isfinite (ret_flush->timeout)))
104 {
105 cmd_error (CMD_PARSE_ERROR, err,
106 "Invalid value for option `timeout': %s",
107 opt_value);
108 cmd_destroy_flush (ret_flush);
109 return (CMD_PARSE_ERROR);
110 }
111 else if (ret_flush->timeout < 0.0)
112 {
113 ret_flush->timeout = 0.0;
114 }
115 }
116 else
117 {
118 cmd_error (CMD_PARSE_ERROR, err,
119 "Cannot parse option `%s'.", opt_key);
120 cmd_destroy_flush (ret_flush);
121 return (CMD_PARSE_ERROR);
122 }
123 }
125 return (CMD_OK);
126 } /* cmd_status_t cmd_parse_flush */
128 cmd_status_t cmd_handle_flush (FILE *fh, char *buffer)
129 {
130 cmd_error_handler_t err = { cmd_error_fh, fh };
131 cmd_t cmd;
133 int success = 0;
134 int error = 0;
135 int status;
137 size_t i;
139 if ((fh == NULL) || (buffer == NULL))
140 return (-1);
142 DEBUG ("utils_cmd_flush: cmd_handle_flush (fh = %p, buffer = %s);",
143 (void *) fh, buffer);
145 if ((status = cmd_parse (buffer, &cmd, &err)) != CMD_OK)
146 return (status);
147 if (cmd.type != CMD_FLUSH)
148 {
149 cmd_error (CMD_UNKNOWN_COMMAND, &err, "Unexpected command: `%s'.",
150 CMD_TO_STRING (cmd.type));
151 cmd_destroy (&cmd);
152 return (CMD_UNKNOWN_COMMAND);
153 }
155 for (i = 0; (i == 0) || (i < cmd.cmd.flush.plugins_num); i++)
156 {
157 char *plugin = NULL;
159 if (cmd.cmd.flush.plugins_num != 0)
160 plugin = cmd.cmd.flush.plugins[i];
162 for (size_t j = 0; (j == 0) || (j < cmd.cmd.flush.identifiers_num); j++)
163 {
164 char *identifier = NULL;
165 char buffer[1024];
166 int status;
168 if (cmd.cmd.flush.identifiers_num != 0)
169 {
170 identifier_t *id = cmd.cmd.flush.identifiers + j;
171 if (format_name (buffer, sizeof (buffer),
172 id->host, id->plugin, id->plugin_instance,
173 id->type, id->type_instance) != 0)
174 {
175 error++;
176 continue;
177 }
178 identifier = buffer;
179 }
181 status = plugin_flush (plugin,
182 DOUBLE_TO_CDTIME_T (cmd.cmd.flush.timeout),
183 identifier);
184 if (status == 0)
185 success++;
186 else
187 error++;
188 }
189 }
191 cmd_error (CMD_OK, &err, "Done: %i successful, %i errors",
192 success, error);
194 cmd_destroy (&cmd);
195 return (0);
196 #undef PRINT_TO_SOCK
197 } /* cmd_status_t cmd_handle_flush */
199 void cmd_destroy_flush (cmd_flush_t *flush)
200 {
201 if (flush == NULL)
202 return;
204 strarray_free (flush->plugins, flush->plugins_num);
205 flush->plugins = NULL;
206 flush->plugins_num = 0;
208 sfree (flush->identifiers);
209 flush->identifiers_num = 0;
210 } /* void cmd_destroy_flush */
212 /* vim: set sw=4 ts=4 tw=78 noexpandtab : */