deliver-remove-from-cache.c

/* $Id$ */

/*
 * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include<sys/types.h>

#include<string.h>

#include"fdm.h"
#include"deliver.h"

intdeliver_remove_from_cache_deliver(
structdeliver_ctx*, structactitem*);
voiddeliver_remove_from_cache_desc(structactitem*, char*, size_t);

structdeliverdeliver_remove_from_cache= {
"remove-from-cache",
DELIVER_INCHILD,
deliver_remove_from_cache_deliver,
deliver_remove_from_cache_desc
};

int
deliver_remove_from_cache_deliver(structdeliver_ctx*dctx, structactitem*ti)
{
structaccount*a=dctx->account;
structmail*m=dctx->mail;
structdeliver_remove_from_cache_data*data=ti->data;
char*key;
structcache*cache;

key=replacestr(&data->key, m->tags, m, &m->rml);
if (key==NULL||*key=='\0') {
log_warnx("%s: empty key", a->name);
 goto error;
 }
log_debug2("%s: removing from cache %s: %s", a->name, data->path, key);

TAILQ_FOREACH(cache, &conf.caches, entry) {
if (strcmp(data->path, cache->path) ==0) {
if (open_cache(a, cache) !=0)
 goto error;
if (db_contains(cache->db, key) &&
db_remove(cache->db, key) !=0) {
log_warnx(
"%s: error removing from cache %s: %s",
a->name, cache->path, key);
 goto error;
 }
xfree(key);
return (DELIVER_SUCCESS);
 }
 }
log_warnx("%s: cache %s not declared", a->name, data->path);

error:
if (key!=NULL)
xfree(key);
return (DELIVER_FAILURE);
}

void
deliver_remove_from_cache_desc(structactitem*ti, char*buf, size_tlen)
{
structdeliver_remove_from_cache_data*data=ti->data;

xsnprintf(buf, len,
"remove-from-cache \"%s\" key \"%s\"", data->path, data->key.str);
}