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, const cmd_options_t *opts,
38 cmd_error_handler_t *err)
39 {
41 if ((ret_flush == NULL) || (opts == NULL))
42 {
43 errno = EINVAL;
44 cmd_error (CMD_ERROR, err, "Invalid arguments to cmd_parse_flush.");
45 return (CMD_ERROR);
46 }
48 for (size_t i = 0; i < argc; i++)
49 {
50 char *opt_key;
51 char *opt_value;
52 int status;
54 opt_key = NULL;
55 opt_value = NULL;
56 status = cmd_parse_option (argv[i], &opt_key, &opt_value, err);
57 if (status != 0)
58 {
59 if (status == CMD_NO_OPTION)
60 cmd_error (CMD_PARSE_ERROR, err,
61 "Invalid option string `%s'.", argv[i]);
62 cmd_destroy_flush (ret_flush);
63 return (CMD_PARSE_ERROR);
64 }
66 if (strcasecmp ("plugin", opt_key) == 0)
67 {
68 strarray_add (&ret_flush->plugins, &ret_flush->plugins_num,
69 opt_value);
70 }
71 else if (strcasecmp ("identifier", opt_key) == 0)
72 {
73 identifier_t *id = realloc (ret_flush->identifiers,
74 (ret_flush->identifiers_num + 1) * sizeof (*id));
75 if (id == NULL)
76 {
77 cmd_error (CMD_ERROR, err, "realloc failed.");
78 cmd_destroy_flush (ret_flush);
79 return (CMD_ERROR);
80 }
82 ret_flush->identifiers = id;
83 id = ret_flush->identifiers + ret_flush->identifiers_num;
84 ret_flush->identifiers_num++;
85 if (parse_identifier (opt_value,
86 &id->host, &id->plugin, &id->plugin_instance,
87 &id->type, &id->type_instance,
88 opts->identifier_default_host) != 0)
89 {
90 cmd_error (CMD_PARSE_ERROR, err,
91 "Invalid identifier `%s'.", opt_value);
92 cmd_destroy_flush (ret_flush);
93 return (CMD_PARSE_ERROR);
94 }
95 }
96 else if (strcasecmp ("timeout", opt_key) == 0)
97 {
98 char *endptr;
100 errno = 0;
101 endptr = NULL;
102 ret_flush->timeout = strtod (opt_value, &endptr);
104 if ((endptr == opt_value) || (errno != 0)
105 || (!isfinite (ret_flush->timeout)))
106 {
107 cmd_error (CMD_PARSE_ERROR, err,
108 "Invalid value for option `timeout': %s",
109 opt_value);
110 cmd_destroy_flush (ret_flush);
111 return (CMD_PARSE_ERROR);
112 }
113 else if (ret_flush->timeout < 0.0)
114 {
115 ret_flush->timeout = 0.0;
116 }
117 }
118 else
119 {
120 cmd_error (CMD_PARSE_ERROR, err,
121 "Cannot parse option `%s'.", opt_key);
122 cmd_destroy_flush (ret_flush);
123 return (CMD_PARSE_ERROR);
124 }
125 }
127 return (CMD_OK);
128 } /* cmd_status_t cmd_parse_flush */
130 cmd_status_t cmd_handle_flush (FILE *fh, char *buffer)
131 {
132 cmd_error_handler_t err = { cmd_error_fh, fh };
133 cmd_t cmd;
135 int success = 0;
136 int error = 0;
137 int status;
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, NULL, &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 (size_t 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 : */