2 * collectd - src/curl_json.c
3 * Copyright (C) 2009 Doug MacEachern
4 * Copyright (C) 2006-2013 Florian octo Forster
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; only version 2 of the License is applicable.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 * Doug MacEachern <dougm at hyperic.com>
21 * Florian octo Forster <octo at collectd.org>
27 #include "configfile.h"
28 #include "utils_avltree.h"
29 #include "utils_complain.h"
31 #include <sys/socket.h>
32 #include <sys/types.h>
35 #include <curl/curl.h>
37 #include <yajl/yajl_parse.h>
38 #if HAVE_YAJL_YAJL_VERSION_H
39 # include <yajl/yajl_version.h>
42 #if defined(YAJL_MAJOR) && (YAJL_MAJOR > 1)
43 # define HAVE_YAJL_V2 1
46 #define CJ_DEFAULT_HOST "localhost"
47 #define CJ_KEY_MAGIC 0x43484b59UL /* CHKY */
48 #define CJ_IS_KEY(key) ((key)->magic == CJ_KEY_MAGIC)
50 #define COUCH_MIN(x,y) ((x) < (y) ? (x) : (y))
53 typedef struct cj_key_s cj_key_t;
54 struct cj_key_s /* {{{ */
78 struct curl_slist *headers;
84 char curl_errbuf[CURL_ERROR_SIZE];
97 char name[DATA_MAX_NAME_LEN];
98 } state[YAJL_MAX_DEPTH];
100 typedef struct cj_s cj_t; /* }}} */
103 typedef size_t yajl_len_t;
105 typedef unsigned int yajl_len_t;
108 static int cj_read (user_data_t *ud);
109 static void cj_submit (cj_t *db, cj_key_t *key, value_t *value);
111 static size_t cj_curl_callback (void *buf, /* {{{ */
112 size_t size, size_t nmemb, void *user_data)
127 status = yajl_parse(db->yajl, (unsigned char *)buf, len);
128 if (status == yajl_status_ok)
131 else if (status == yajl_status_insufficient_data)
135 unsigned char *msg = yajl_get_error(db->yajl, /* verbose = */ 1,
136 /* jsonText = */ (unsigned char *) buf, (unsigned int) len);
137 ERROR ("curl_json plugin: yajl_parse failed: %s", msg);
138 yajl_free_error(db->yajl, msg);
139 return (0); /* abort write callback */
140 } /* }}} size_t cj_curl_callback */
142 static int cj_get_type (cj_key_t *key)
144 const data_set_t *ds;
146 ds = plugin_get_ds (key->type);
149 static char type[DATA_MAX_NAME_LEN] = "!!!invalid!!!";
151 assert (key->type != NULL);
152 if (strcmp (type, key->type) != 0)
154 ERROR ("curl_json plugin: Unable to look up DS type \"%s\".",
156 sstrncpy (type, key->type, sizeof (type));
161 else if (ds->ds_num > 1)
163 static c_complain_t complaint = C_COMPLAIN_INIT_STATIC;
165 c_complain_once (LOG_WARNING, &complaint,
166 "curl_json plugin: The type \"%s\" has more than one data source. "
167 "This is currently not supported. I will return the type of the "
168 "first data source, but this will likely lead to problems later on.",
172 return ds->ds[0].type;
175 static int cj_cb_map_key (void *ctx, const unsigned char *val,
178 static void cj_cb_inc_array_index (void *ctx, _Bool update_key)
180 cj_t *db = (cj_t *)ctx;
182 if (!db->state[db->depth].in_array)
185 db->state[db->depth].index++;
189 char name[DATA_MAX_NAME_LEN];
191 ssnprintf (name, sizeof (name), "%d", db->state[db->depth].index - 1);
193 cj_cb_map_key (ctx, (unsigned char *)name, (yajl_len_t) strlen (name));
198 #define CJ_CB_ABORT 0
199 #define CJ_CB_CONTINUE 1
201 static int cj_cb_boolean (void * ctx, int boolVal)
203 cj_cb_inc_array_index (ctx, /* update_key = */ 0);
204 return (CJ_CB_CONTINUE);
207 static int cj_cb_null (void * ctx)
209 cj_cb_inc_array_index (ctx, /* update_key = */ 0);
210 return (CJ_CB_CONTINUE);
213 static int cj_cb_number (void *ctx,
214 const char *number, yajl_len_t number_len)
216 char buffer[number_len + 1];
218 cj_t *db = (cj_t *)ctx;
219 cj_key_t *key = db->state[db->depth].key;
224 /* Create a null-terminated version of the string. */
225 memcpy (buffer, number, number_len);
226 buffer[sizeof (buffer) - 1] = 0;
228 if ((key == NULL) || !CJ_IS_KEY (key)) {
229 if (key != NULL && !db->state[db->depth].in_array/*can be inhomogeneous*/)
230 NOTICE ("curl_json plugin: Found \"%s\", but the configuration expects"
232 cj_cb_inc_array_index (ctx, /* update_key = */ 1);
233 key = db->state[db->depth].key;
235 return (CJ_CB_CONTINUE);
240 cj_cb_inc_array_index (ctx, /* update_key = */ 1);
243 type = cj_get_type (key);
244 status = parse_value (buffer, &vt, type);
247 NOTICE ("curl_json plugin: Unable to parse number: \"%s\"", buffer);
248 return (CJ_CB_CONTINUE);
251 cj_submit (db, key, &vt);
252 return (CJ_CB_CONTINUE);
253 } /* int cj_cb_number */
255 /* Queries the key-tree of the parent context for "in_name" and, if found,
256 * updates the "key" field of the current context. Otherwise, "key" is set to
258 static int cj_cb_map_key (void *ctx,
259 unsigned char const *in_name, yajl_len_t in_name_len)
261 cj_t *db = (cj_t *)ctx;
264 tree = db->state[db->depth-1].tree;
268 cj_key_t *value = NULL;
272 /* Create a null-terminated version of the name. */
273 name = db->state[db->depth].name;
274 name_len = COUCH_MIN ((size_t) in_name_len,
275 sizeof (db->state[db->depth].name) - 1);
276 memcpy (name, in_name, name_len);
279 if (c_avl_get (tree, name, (void *) &value) == 0) {
280 if (CJ_IS_KEY((cj_key_t*)value)) {
281 db->state[db->depth].key = value;
284 db->state[db->depth].tree = (c_avl_tree_t*) value;
287 else if (c_avl_get (tree, CJ_ANY, (void *) &value) == 0)
288 if (CJ_IS_KEY((cj_key_t*)value)) {
289 db->state[db->depth].key = value;
292 db->state[db->depth].tree = (c_avl_tree_t*) value;
295 db->state[db->depth].key = NULL;
298 return (CJ_CB_CONTINUE);
301 static int cj_cb_string (void *ctx, const unsigned char *val,
304 /* Handle the string as if it was a number. */
305 return (cj_cb_number (ctx, (const char *) val, len));
306 } /* int cj_cb_string */
308 static int cj_cb_start (void *ctx)
310 cj_t *db = (cj_t *)ctx;
311 if (++db->depth >= YAJL_MAX_DEPTH)
313 ERROR ("curl_json plugin: %s depth exceeds max, aborting.",
314 db->url ? db->url : db->sock);
315 return (CJ_CB_ABORT);
317 return (CJ_CB_CONTINUE);
320 static int cj_cb_end (void *ctx)
322 cj_t *db = (cj_t *)ctx;
323 db->state[db->depth].tree = NULL;
325 return (CJ_CB_CONTINUE);
328 static int cj_cb_start_map (void *ctx)
330 cj_cb_inc_array_index (ctx, /* update_key = */ 1);
331 return cj_cb_start (ctx);
334 static int cj_cb_end_map (void *ctx)
336 return cj_cb_end (ctx);
339 static int cj_cb_start_array (void * ctx)
341 cj_t *db = (cj_t *)ctx;
342 cj_cb_inc_array_index (ctx, /* update_key = */ 1);
343 if (db->depth+1 < YAJL_MAX_DEPTH) {
344 db->state[db->depth+1].in_array = 1;
345 db->state[db->depth+1].index = 0;
347 return cj_cb_start (ctx);
350 static int cj_cb_end_array (void * ctx)
352 cj_t *db = (cj_t *)ctx;
353 db->state[db->depth].in_array = 0;
354 return cj_cb_end (ctx);
357 static yajl_callbacks ycallbacks = {
358 cj_cb_null, /* null */
359 cj_cb_boolean, /* boolean */
371 /* end yajl callbacks */
373 static void cj_key_free (cj_key_t *key) /* {{{ */
380 sfree (key->instance);
383 } /* }}} void cj_key_free */
385 static void cj_tree_free (c_avl_tree_t *tree) /* {{{ */
390 while (c_avl_pick (tree, (void *) &name, (void *) &value) == 0)
392 cj_key_t *key = (cj_key_t *)value;
397 cj_tree_free ((c_avl_tree_t *)value);
402 c_avl_destroy (tree);
403 } /* }}} void cj_tree_free */
405 static void cj_free (void *arg) /* {{{ */
409 DEBUG ("curl_json plugin: cj_free (arg = %p);", arg);
416 if (db->curl != NULL)
417 curl_easy_cleanup (db->curl);
420 if (db->tree != NULL)
421 cj_tree_free (db->tree);
424 sfree (db->instance);
432 sfree (db->credentials);
434 sfree (db->post_body);
435 curl_slist_free_all (db->headers);
438 } /* }}} void cj_free */
440 /* Configuration handling functions {{{ */
442 static c_avl_tree_t *cj_avl_create(void)
444 return c_avl_create ((int (*) (const void *, const void *)) strcmp);
447 static int cj_config_append_string (const char *name, struct curl_slist **dest, /* {{{ */
450 if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING))
452 WARNING ("curl_json plugin: `%s' needs exactly one string argument.", name);
456 *dest = curl_slist_append(*dest, ci->values[0].value.string);
461 } /* }}} int cj_config_append_string */
463 static int cj_config_add_key (cj_t *db, /* {{{ */
470 if ((ci->values_num != 1)
471 || (ci->values[0].type != OCONFIG_TYPE_STRING))
473 WARNING ("curl_json plugin: The `Key' block "
474 "needs exactly one string argument.");
478 key = (cj_key_t *) malloc (sizeof (*key));
481 ERROR ("curl_json plugin: malloc failed.");
484 memset (key, 0, sizeof (*key));
485 key->magic = CJ_KEY_MAGIC;
487 if (strcasecmp ("Key", ci->key) == 0)
489 status = cf_util_get_string (ci, &key->path);
498 ERROR ("curl_json plugin: cj_config: "
499 "Invalid key: %s", ci->key);
505 for (i = 0; i < ci->children_num; i++)
507 oconfig_item_t *child = ci->children + i;
509 if (strcasecmp ("Type", child->key) == 0)
510 status = cf_util_get_string (child, &key->type);
511 else if (strcasecmp ("Instance", child->key) == 0)
512 status = cf_util_get_string (child, &key->instance);
515 WARNING ("curl_json plugin: Option `%s' not allowed here.", child->key);
521 } /* for (i = 0; i < ci->children_num; i++) */
529 if (key->type == NULL)
531 WARNING ("curl_json plugin: `Type' missing in `Key' block.");
536 /* store path in a tree that will match the json map structure, example:
537 * "httpd/requests/count",
538 * "httpd/requests/current" ->
539 * { "httpd": { "requests": { "count": $key, "current": $key } } }
545 if (db->tree == NULL)
546 db->tree = cj_avl_create();
554 while ((ptr = strchr (name, '/')) != NULL)
564 len = COUCH_MIN(len, sizeof (ent)-1);
565 sstrncpy (ent, name, len+1);
567 if (c_avl_get (tree, ent, (void *) &value) != 0)
569 value = cj_avl_create ();
570 c_avl_insert (tree, strdup (ent), value);
577 if (strlen (name) == 0)
579 ERROR ("curl_json plugin: invalid key: %s", key->path);
584 c_avl_insert (tree, strdup (name), key);
586 } /* }}} int cj_config_add_key */
588 static int cj_init_curl (cj_t *db) /* {{{ */
590 db->curl = curl_easy_init ();
591 if (db->curl == NULL)
593 ERROR ("curl_json plugin: curl_easy_init failed.");
597 curl_easy_setopt (db->curl, CURLOPT_NOSIGNAL, 1L);
598 curl_easy_setopt (db->curl, CURLOPT_WRITEFUNCTION, cj_curl_callback);
599 curl_easy_setopt (db->curl, CURLOPT_WRITEDATA, db);
600 curl_easy_setopt (db->curl, CURLOPT_USERAGENT, COLLECTD_USERAGENT);
601 curl_easy_setopt (db->curl, CURLOPT_ERRORBUFFER, db->curl_errbuf);
602 curl_easy_setopt (db->curl, CURLOPT_URL, db->url);
603 curl_easy_setopt (db->curl, CURLOPT_FOLLOWLOCATION, 1L);
604 curl_easy_setopt (db->curl, CURLOPT_MAXREDIRS, 50L);
606 if (db->user != NULL)
608 #ifdef HAVE_CURLOPT_USERNAME
609 curl_easy_setopt (db->curl, CURLOPT_USERNAME, db->user);
610 curl_easy_setopt (db->curl, CURLOPT_PASSWORD,
611 (db->pass == NULL) ? "" : db->pass);
613 size_t credentials_size;
615 credentials_size = strlen (db->user) + 2;
616 if (db->pass != NULL)
617 credentials_size += strlen (db->pass);
619 db->credentials = (char *) malloc (credentials_size);
620 if (db->credentials == NULL)
622 ERROR ("curl_json plugin: malloc failed.");
626 ssnprintf (db->credentials, credentials_size, "%s:%s",
627 db->user, (db->pass == NULL) ? "" : db->pass);
628 curl_easy_setopt (db->curl, CURLOPT_USERPWD, db->credentials);
632 curl_easy_setopt (db->curl, CURLOPT_HTTPAUTH, CURLAUTH_DIGEST);
635 curl_easy_setopt (db->curl, CURLOPT_SSL_VERIFYPEER, (long) db->verify_peer);
636 curl_easy_setopt (db->curl, CURLOPT_SSL_VERIFYHOST,
637 db->verify_host ? 2L : 0L);
638 if (db->cacert != NULL)
639 curl_easy_setopt (db->curl, CURLOPT_CAINFO, db->cacert);
640 if (db->headers != NULL)
641 curl_easy_setopt (db->curl, CURLOPT_HTTPHEADER, db->headers);
642 if (db->post_body != NULL)
643 curl_easy_setopt (db->curl, CURLOPT_POSTFIELDS, db->post_body);
645 #ifdef HAVE_CURLOPT_TIMEOUT_MS
646 if (db->timeout >= 0)
647 curl_easy_setopt (db->curl, CURLOPT_TIMEOUT_MS, (long) db->timeout);
648 else if (db->interval > 0)
649 curl_easy_setopt (db->curl, CURLOPT_TIMEOUT_MS,
650 CDTIME_T_TO_MS(db->timeout));
652 curl_easy_setopt (db->curl, CURLOPT_TIMEOUT_MS,
653 CDTIME_T_TO_MS(plugin_get_interval()));
657 } /* }}} int cj_init_curl */
659 static int cj_config_add_url (oconfig_item_t *ci) /* {{{ */
665 if ((ci->values_num != 1)
666 || (ci->values[0].type != OCONFIG_TYPE_STRING))
668 WARNING ("curl_json plugin: The `URL' block "
669 "needs exactly one string argument.");
673 db = (cj_t *) malloc (sizeof (*db));
676 ERROR ("curl_json plugin: malloc failed.");
679 memset (db, 0, sizeof (*db));
683 if (strcasecmp ("URL", ci->key) == 0)
684 status = cf_util_get_string (ci, &db->url);
685 else if (strcasecmp ("Sock", ci->key) == 0)
686 status = cf_util_get_string (ci, &db->sock);
689 ERROR ("curl_json plugin: cj_config: "
690 "Invalid key: %s", ci->key);
700 /* Fill the `cj_t' structure.. */
701 for (i = 0; i < ci->children_num; i++)
703 oconfig_item_t *child = ci->children + i;
705 if (strcasecmp ("Instance", child->key) == 0)
706 status = cf_util_get_string (child, &db->instance);
707 else if (strcasecmp ("Host", child->key) == 0)
708 status = cf_util_get_string (child, &db->host);
709 else if (db->url && strcasecmp ("User", child->key) == 0)
710 status = cf_util_get_string (child, &db->user);
711 else if (db->url && strcasecmp ("Password", child->key) == 0)
712 status = cf_util_get_string (child, &db->pass);
713 else if (strcasecmp ("Digest", child->key) == 0)
714 status = cf_util_get_boolean (child, &db->digest);
715 else if (db->url && strcasecmp ("VerifyPeer", child->key) == 0)
716 status = cf_util_get_boolean (child, &db->verify_peer);
717 else if (db->url && strcasecmp ("VerifyHost", child->key) == 0)
718 status = cf_util_get_boolean (child, &db->verify_host);
719 else if (db->url && strcasecmp ("CACert", child->key) == 0)
720 status = cf_util_get_string (child, &db->cacert);
721 else if (db->url && strcasecmp ("Header", child->key) == 0)
722 status = cj_config_append_string ("Header", &db->headers, child);
723 else if (db->url && strcasecmp ("Post", child->key) == 0)
724 status = cf_util_get_string (child, &db->post_body);
725 else if (strcasecmp ("Key", child->key) == 0)
726 status = cj_config_add_key (db, child);
727 else if (strcasecmp ("Interval", child->key) == 0)
728 status = cf_util_get_cdtime(child, &db->interval);
729 else if (strcasecmp ("Timeout", child->key) == 0)
730 status = cf_util_get_int (child, &db->timeout);
733 WARNING ("curl_json plugin: Option `%s' not allowed here.", child->key);
743 if (db->tree == NULL)
745 WARNING ("curl_json plugin: No (valid) `Key' block within `%s' \"`%s'\".",
746 db->url ? "URL" : "Sock", db->url ? db->url : db->sock);
749 if (status == 0 && db->url)
750 status = cj_init_curl (db);
753 /* If all went well, register this database for reading */
758 struct timespec interval = { 0, 0 };
760 CDTIME_T_TO_TIMESPEC (db->interval, &interval);
762 if (db->instance == NULL)
763 db->instance = strdup("default");
765 DEBUG ("curl_json plugin: Registering new read callback: %s",
768 memset (&ud, 0, sizeof (ud));
769 ud.data = (void *) db;
770 ud.free_func = cj_free;
772 cb_name = ssnprintf_alloc ("curl_json-%s-%s",
773 db->instance, db->url ? db->url : db->sock);
775 plugin_register_complex_read (/* group = */ NULL, cb_name, cj_read,
776 /* interval = */ (db->interval > 0) ? &interval : NULL,
788 /* }}} int cj_config_add_database */
790 static int cj_config (oconfig_item_t *ci) /* {{{ */
800 for (i = 0; i < ci->children_num; i++)
802 oconfig_item_t *child = ci->children + i;
804 if (strcasecmp ("Sock", child->key) == 0
805 || strcasecmp ("URL", child->key) == 0)
807 status = cj_config_add_url (child);
815 WARNING ("curl_json plugin: Option `%s' not allowed here.", child->key);
820 if ((success == 0) && (errors > 0))
822 ERROR ("curl_json plugin: All statements failed.");
827 } /* }}} int cj_config */
829 /* }}} End of configuration handling functions */
831 static void cj_submit (cj_t *db, cj_key_t *key, value_t *value) /* {{{ */
833 value_list_t vl = VALUE_LIST_INIT;
839 if ((db->host == NULL)
840 || (strcmp ("", db->host) == 0)
841 || (strcmp (CJ_DEFAULT_HOST, db->host) == 0))
846 if (key->instance == NULL)
849 for (i = 0; i < db->depth; i++)
850 len += ssnprintf(vl.type_instance+len, sizeof(vl.type_instance)-len,
851 i ? "-%s" : "%s", db->state[i+1].name);
854 sstrncpy (vl.type_instance, key->instance, sizeof (vl.type_instance));
856 sstrncpy (vl.host, host, sizeof (vl.host));
857 sstrncpy (vl.plugin, "curl_json", sizeof (vl.plugin));
858 sstrncpy (vl.plugin_instance, db->instance, sizeof (vl.plugin_instance));
859 sstrncpy (vl.type, key->type, sizeof (vl.type));
861 if (db->interval > 0)
862 vl.interval = db->interval;
864 plugin_dispatch_values (&vl);
865 } /* }}} int cj_submit */
867 static int cj_sock_perform (cj_t *db) /* {{{ */
870 struct sockaddr_un sa_unix = {};
871 sa_unix.sun_family = AF_UNIX;
872 sstrncpy (sa_unix.sun_path, db->sock, sizeof (sa_unix.sun_path));
874 int fd = socket (AF_UNIX, SOCK_STREAM, 0);
877 if (connect (fd, (struct sockaddr *)&sa_unix, sizeof(sa_unix)) < 0)
879 ERROR ("curl_json plugin: connect(%s) failed: %s",
880 (db->sock != NULL) ? db->sock : "<null>",
881 sstrerror(errno, errbuf, sizeof (errbuf)));
888 unsigned char buffer[4096];
889 red = read (fd, buffer, sizeof(buffer));
891 ERROR ("curl_json plugin: read(%s) failed: %s",
892 (db->sock != NULL) ? db->sock : "<null>",
893 sstrerror(errno, errbuf, sizeof (errbuf)));
897 if (!cj_curl_callback (buffer, red, 1, db))
902 } /* }}} int cj_sock_perform */
905 static int cj_curl_perform(cj_t *db) /* {{{ */
912 status = curl_easy_perform (db->curl);
913 if (status != CURLE_OK)
915 ERROR ("curl_json plugin: curl_easy_perform failed with status %i: %s (%s)",
916 status, db->curl_errbuf, url);
920 curl_easy_getinfo(db->curl, CURLINFO_EFFECTIVE_URL, &url);
921 curl_easy_getinfo(db->curl, CURLINFO_RESPONSE_CODE, &rc);
923 /* The response code is zero if a non-HTTP transport was used. */
924 if ((rc != 0) && (rc != 200))
926 ERROR ("curl_json plugin: curl_easy_perform failed with "
927 "response code %ld (%s)", rc, url);
931 } /* }}} int cj_curl_perform */
933 static int cj_perform (cj_t *db) /* {{{ */
936 yajl_handle yprev = db->yajl;
938 db->yajl = yajl_alloc (&ycallbacks,
940 /* alloc funcs = */ NULL,
942 /* alloc funcs = */ NULL, NULL,
944 /* context = */ (void *)db);
945 if (db->yajl == NULL)
947 ERROR ("curl_json plugin: yajl_alloc failed.");
953 status = cj_curl_perform (db);
955 status = cj_sock_perform (db);
958 yajl_free (db->yajl);
964 status = yajl_complete_parse(db->yajl);
966 status = yajl_parse_complete(db->yajl);
968 if (status != yajl_status_ok)
970 unsigned char *errmsg;
972 errmsg = yajl_get_error (db->yajl, /* verbose = */ 0,
973 /* jsonText = */ NULL, /* jsonTextLen = */ 0);
974 ERROR ("curl_json plugin: yajl_parse_complete failed: %s",
976 yajl_free_error (db->yajl, errmsg);
977 yajl_free (db->yajl);
982 yajl_free (db->yajl);
985 } /* }}} int cj_perform */
987 static int cj_read (user_data_t *ud) /* {{{ */
991 if ((ud == NULL) || (ud->data == NULL))
993 ERROR ("curl_json plugin: cj_read: Invalid user data.");
997 db = (cj_t *) ud->data;
1000 memset (&db->state, 0, sizeof(db->state));
1001 db->state[db->depth].tree = db->tree;
1004 return cj_perform (db);
1005 } /* }}} int cj_read */
1007 static int cj_init (void) /* {{{ */
1009 /* Call this while collectd is still single-threaded to avoid
1010 * initialization issues in libgcrypt. */
1011 curl_global_init (CURL_GLOBAL_SSL);
1013 } /* }}} int cj_init */
1015 void module_register (void)
1017 plugin_register_complex_config ("curl_json", cj_config);
1018 plugin_register_init ("curl_json", cj_init);
1019 } /* void module_register */
1021 /* vim: set sw=2 sts=2 et fdm=marker : */