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https://github.com/troglobit/finit.git
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118 lines
2.7 KiB
C
118 lines
2.7 KiB
C
/* Condition engine (write)
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*
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* Copyright (c) 2015-2016 Tobias Waldekranz <tobias@waldekranz.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <libgen.h>
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#include <lite/lite.h>
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#include <stdio.h>
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#include <utime.h>
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#include "finit.h"
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#include "cond.h"
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#include "service.h"
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int cond_set_path(const char *path, enum cond_state new)
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{
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char buf[MAX_ARG_LEN], *dir;
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enum cond_state old;
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old = cond_get_path(path);
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switch (new) {
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case COND_ON:
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strlcpy(buf, path, sizeof(buf));
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dir = dirname(buf);
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if (!dir) {
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_e("Invalid path '%s' for condition", path);
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return 0;
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}
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if (makepath(dir) && errno != EEXIST) {
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_pe("Failed creating dir '%s' for condition '%s'", dir, path);
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return 0;
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}
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touch(path);
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utime(path, NULL);
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break;
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case COND_OFF:
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unlink(path);
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break;
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default:
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_e("Invalid condition state");
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return 0;
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}
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return new != old;
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}
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static void cond_update(const char *name)
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{
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svc_t *svc;
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_d("%s", name);
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for (svc = svc_iterator(1); svc; svc = svc_iterator(0)) {
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if (svc->type != SVC_TYPE_SERVICE ||
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!svc->cond[0] ||
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(name && !cond_affects(name, svc->cond))) {
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continue;
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}
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_d("%s: match <%s> %s", name, svc->cond, svc->cmd);
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service_step(svc);
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}
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}
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void cond_set(const char *name)
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{
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_d("%s", name);
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if (!cond_set_path(cond_path(name), COND_ON))
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return;
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cond_update(name);
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}
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void cond_clear(const char *name)
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{
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_d("%s", name);
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if (!cond_set_path(cond_path(name), COND_OFF))
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return;
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cond_update(name);
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}
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void cond_reload(void)
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{
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_d("");
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cond_set_path(COND_RECONF, COND_ON);
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cond_update(NULL);
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}
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/**
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* Local Variables:
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* indent-tabs-mode: t
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* c-file-style: "linux"
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* End:
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*/
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