2010-02-18 23:16:19 +00:00
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/*-
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* Copyright (c) 2009-2010 The FreeBSD Foundation
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* All rights reserved.
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*
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* This software was developed by Pawel Jakub Dawidek under sponsorship from
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* the FreeBSD Foundation.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <errno.h>
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#include <pthread.h>
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2010-09-22 18:38:02 +00:00
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#include <signal.h>
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2010-02-18 23:16:19 +00:00
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#include <stdio.h>
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#include <string.h>
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2010-09-22 18:57:06 +00:00
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#include <unistd.h>
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2010-02-18 23:16:19 +00:00
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#include "hast.h"
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#include "hastd.h"
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2011-03-06 22:56:14 +00:00
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#include "hast_checksum.h"
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2011-03-06 23:09:33 +00:00
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#include "hast_compression.h"
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2010-02-18 23:16:19 +00:00
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#include "hast_proto.h"
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2010-08-29 21:42:45 +00:00
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#include "hooks.h"
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2010-02-18 23:16:19 +00:00
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#include "nv.h"
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#include "pjdlog.h"
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#include "proto.h"
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#include "subr.h"
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#include "control.h"
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2010-09-22 18:57:06 +00:00
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void
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child_cleanup(struct hast_resource *res)
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{
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proto_close(res->hr_ctrl);
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res->hr_ctrl = NULL;
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2010-10-08 15:02:15 +00:00
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if (res->hr_event != NULL) {
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proto_close(res->hr_event);
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res->hr_event = NULL;
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}
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2011-02-03 11:39:49 +00:00
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if (res->hr_conn != NULL) {
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proto_close(res->hr_conn);
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res->hr_conn = NULL;
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}
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2010-09-22 18:57:06 +00:00
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res->hr_workerpid = 0;
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}
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2010-02-18 23:16:19 +00:00
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static void
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2010-08-05 19:04:29 +00:00
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control_set_role_common(struct hastd_config *cfg, struct nv *nvout,
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uint8_t role, struct hast_resource *res, const char *name, unsigned int no)
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2010-02-18 23:16:19 +00:00
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{
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2010-08-29 21:42:45 +00:00
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int oldrole;
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2010-02-18 23:16:19 +00:00
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/* Name is always needed. */
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2010-08-05 19:04:29 +00:00
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if (name != NULL)
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nv_add_string(nvout, name, "resource%u", no);
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2010-02-18 23:16:19 +00:00
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if (res == NULL) {
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2011-09-27 07:57:15 +00:00
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PJDLOG_ASSERT(cfg != NULL);
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PJDLOG_ASSERT(name != NULL);
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2010-08-05 19:04:29 +00:00
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2010-02-18 23:16:19 +00:00
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TAILQ_FOREACH(res, &cfg->hc_resources, hr_next) {
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if (strcmp(res->hr_name, name) == 0)
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break;
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}
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if (res == NULL) {
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nv_add_int16(nvout, EHAST_NOENTRY, "error%u", no);
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return;
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}
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}
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2011-09-27 07:57:15 +00:00
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PJDLOG_ASSERT(res != NULL);
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2010-02-18 23:16:19 +00:00
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/* Send previous role back. */
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nv_add_string(nvout, role2str(res->hr_role), "role%u", no);
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/* Nothing changed, return here. */
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if (role == res->hr_role)
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return;
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pjdlog_prefix_set("[%s] (%s) ", res->hr_name, role2str(res->hr_role));
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pjdlog_info("Role changed to %s.", role2str(role));
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/* Change role to the new one. */
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2010-08-29 21:42:45 +00:00
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oldrole = res->hr_role;
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2010-02-18 23:16:19 +00:00
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res->hr_role = role;
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pjdlog_prefix_set("[%s] (%s) ", res->hr_name, role2str(res->hr_role));
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/*
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* If previous role was primary or secondary we have to kill process
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* doing that work.
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*/
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if (res->hr_workerpid != 0) {
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2012-01-10 22:39:07 +00:00
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if (kill(res->hr_workerpid, SIGTERM) == -1) {
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2010-02-18 23:16:19 +00:00
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pjdlog_errno(LOG_WARNING,
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"Unable to kill worker process %u",
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(unsigned int)res->hr_workerpid);
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} else if (waitpid(res->hr_workerpid, NULL, 0) !=
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res->hr_workerpid) {
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pjdlog_errno(LOG_WARNING,
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"Error while waiting for worker process %u",
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(unsigned int)res->hr_workerpid);
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} else {
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pjdlog_debug(1, "Worker process %u stopped.",
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(unsigned int)res->hr_workerpid);
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}
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2010-09-22 18:57:06 +00:00
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child_cleanup(res);
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2010-02-18 23:16:19 +00:00
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}
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/* Start worker process if we are changing to primary. */
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if (role == HAST_ROLE_PRIMARY)
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hastd_primary(res);
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pjdlog_prefix_set("%s", "");
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2010-08-29 21:42:45 +00:00
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hook_exec(res->hr_exec, "role", res->hr_name, role2str(oldrole),
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role2str(res->hr_role), NULL);
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2010-02-18 23:16:19 +00:00
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}
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2010-08-05 19:04:29 +00:00
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void
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control_set_role(struct hast_resource *res, uint8_t role)
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{
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control_set_role_common(NULL, NULL, role, res, NULL, 0);
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}
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2010-02-18 23:16:19 +00:00
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static void
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control_status_worker(struct hast_resource *res, struct nv *nvout,
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unsigned int no)
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{
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struct nv *cnvin, *cnvout;
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const char *str;
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int error;
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2011-07-05 06:12:28 +00:00
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cnvin = NULL;
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2010-02-18 23:16:19 +00:00
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/*
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* Prepare and send command to worker process.
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*/
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cnvout = nv_alloc();
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2011-04-26 19:38:30 +00:00
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nv_add_uint8(cnvout, CONTROL_STATUS, "cmd");
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2010-02-18 23:16:19 +00:00
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error = nv_error(cnvout);
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if (error != 0) {
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2011-01-22 23:30:01 +00:00
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pjdlog_common(LOG_ERR, 0, error,
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"Unable to prepare control header");
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2010-02-18 23:16:19 +00:00
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goto end;
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}
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2012-01-10 22:39:07 +00:00
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if (hast_proto_send(res, res->hr_ctrl, cnvout, NULL, 0) == -1) {
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2010-02-18 23:16:19 +00:00
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error = errno;
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2011-01-22 23:30:01 +00:00
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pjdlog_errno(LOG_ERR, "Unable to send control header");
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2010-02-18 23:16:19 +00:00
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goto end;
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}
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/*
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* Receive response.
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*/
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2012-01-10 22:39:07 +00:00
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if (hast_proto_recv_hdr(res->hr_ctrl, &cnvin) == -1) {
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2010-02-18 23:16:19 +00:00
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error = errno;
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2011-01-22 23:30:01 +00:00
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pjdlog_errno(LOG_ERR, "Unable to receive control header");
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2010-02-18 23:16:19 +00:00
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goto end;
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}
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2011-01-22 22:33:27 +00:00
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error = nv_get_int16(cnvin, "error");
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2010-02-18 23:16:19 +00:00
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if (error != 0)
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goto end;
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if ((str = nv_get_string(cnvin, "status")) == NULL) {
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error = ENOENT;
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2011-01-22 23:30:01 +00:00
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pjdlog_errno(LOG_ERR, "Field 'status' is missing.");
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2010-02-18 23:16:19 +00:00
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goto end;
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}
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nv_add_string(nvout, str, "status%u", no);
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nv_add_uint64(nvout, nv_get_uint64(cnvin, "dirty"), "dirty%u", no);
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nv_add_uint32(nvout, nv_get_uint32(cnvin, "extentsize"),
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"extentsize%u", no);
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nv_add_uint32(nvout, nv_get_uint32(cnvin, "keepdirty"),
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"keepdirty%u", no);
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2011-05-23 21:15:19 +00:00
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nv_add_uint64(nvout, nv_get_uint64(cnvin, "stat_read"),
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"stat_read%u", no);
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nv_add_uint64(nvout, nv_get_uint64(cnvin, "stat_write"),
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"stat_write%u", no);
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nv_add_uint64(nvout, nv_get_uint64(cnvin, "stat_delete"),
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"stat_delete%u", no);
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nv_add_uint64(nvout, nv_get_uint64(cnvin, "stat_flush"),
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"stat_flush%u", no);
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nv_add_uint64(nvout, nv_get_uint64(cnvin, "stat_activemap_update"),
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"stat_activemap_update%u", no);
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2013-02-25 20:09:07 +00:00
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nv_add_uint64(nvout, nv_get_uint64(cnvin, "stat_read_error"),
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"stat_read_error%u", no);
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nv_add_uint64(nvout, nv_get_uint64(cnvin, "stat_write_error"),
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"stat_write_error%u", no);
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nv_add_uint64(nvout, nv_get_uint64(cnvin, "stat_delete_error"),
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"stat_delete_error%u", no);
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nv_add_uint64(nvout, nv_get_uint64(cnvin, "stat_flush_error"),
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"stat_flush_error%u", no);
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2013-10-26 08:38:21 +00:00
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nv_add_uint64(nvout, nv_get_uint64(cnvin, "idle_queue_size"),
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"idle_queue_size%u", no);
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nv_add_uint64(nvout, nv_get_uint64(cnvin, "local_queue_size"),
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"local_queue_size%u", no);
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nv_add_uint64(nvout, nv_get_uint64(cnvin, "send_queue_size"),
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"send_queue_size%u", no);
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nv_add_uint64(nvout, nv_get_uint64(cnvin, "recv_queue_size"),
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"recv_queue_size%u", no);
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nv_add_uint64(nvout, nv_get_uint64(cnvin, "done_queue_size"),
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"done_queue_size%u", no);
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2010-02-18 23:16:19 +00:00
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end:
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if (cnvin != NULL)
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nv_free(cnvin);
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if (cnvout != NULL)
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nv_free(cnvout);
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if (error != 0)
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nv_add_int16(nvout, error, "error");
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}
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static void
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control_status(struct hastd_config *cfg, struct nv *nvout,
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struct hast_resource *res, const char *name, unsigned int no)
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{
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2011-09-27 07:57:15 +00:00
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PJDLOG_ASSERT(cfg != NULL);
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PJDLOG_ASSERT(nvout != NULL);
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PJDLOG_ASSERT(name != NULL);
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2010-02-18 23:16:19 +00:00
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/* Name is always needed. */
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nv_add_string(nvout, name, "resource%u", no);
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if (res == NULL) {
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TAILQ_FOREACH(res, &cfg->hc_resources, hr_next) {
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if (strcmp(res->hr_name, name) == 0)
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break;
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}
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if (res == NULL) {
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nv_add_int16(nvout, EHAST_NOENTRY, "error%u", no);
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return;
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}
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}
|
2011-09-27 07:57:15 +00:00
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PJDLOG_ASSERT(res != NULL);
|
2010-02-18 23:16:19 +00:00
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nv_add_string(nvout, res->hr_provname, "provname%u", no);
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nv_add_string(nvout, res->hr_localpath, "localpath%u", no);
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nv_add_string(nvout, res->hr_remoteaddr, "remoteaddr%u", no);
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2011-03-21 08:54:59 +00:00
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if (res->hr_sourceaddr[0] != '\0')
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nv_add_string(nvout, res->hr_sourceaddr, "sourceaddr%u", no);
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2010-02-18 23:16:19 +00:00
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switch (res->hr_replication) {
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case HAST_REPLICATION_FULLSYNC:
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nv_add_string(nvout, "fullsync", "replication%u", no);
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break;
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case HAST_REPLICATION_MEMSYNC:
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nv_add_string(nvout, "memsync", "replication%u", no);
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break;
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case HAST_REPLICATION_ASYNC:
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nv_add_string(nvout, "async", "replication%u", no);
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break;
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default:
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nv_add_string(nvout, "unknown", "replication%u", no);
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break;
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}
|
2011-03-06 22:56:14 +00:00
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nv_add_string(nvout, checksum_name(res->hr_checksum),
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"checksum%u", no);
|
2011-03-06 23:09:33 +00:00
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nv_add_string(nvout, compression_name(res->hr_compression),
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"compression%u", no);
|
2010-02-18 23:16:19 +00:00
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nv_add_string(nvout, role2str(res->hr_role), "role%u", no);
|
2013-07-01 18:41:07 +00:00
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nv_add_int32(nvout, res->hr_workerpid, "workerpid%u", no);
|
2010-02-18 23:16:19 +00:00
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switch (res->hr_role) {
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case HAST_ROLE_PRIMARY:
|
2011-09-27 07:57:15 +00:00
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PJDLOG_ASSERT(res->hr_workerpid != 0);
|
2010-02-18 23:16:19 +00:00
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/* FALLTHROUGH */
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case HAST_ROLE_SECONDARY:
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if (res->hr_workerpid != 0)
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break;
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/* FALLTHROUGH */
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default:
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return;
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}
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/*
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* If we are here, it means that we have a worker process, which we
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* want to ask some questions.
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*/
|
|
|
|
control_status_worker(res, nvout, no);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
control_handle(struct hastd_config *cfg)
|
|
|
|
{
|
|
|
|
struct proto_conn *conn;
|
|
|
|
struct nv *nvin, *nvout;
|
|
|
|
unsigned int ii;
|
|
|
|
const char *str;
|
|
|
|
uint8_t cmd, role;
|
|
|
|
int error;
|
|
|
|
|
2012-01-10 22:39:07 +00:00
|
|
|
if (proto_accept(cfg->hc_controlconn, &conn) == -1) {
|
2010-02-18 23:16:19 +00:00
|
|
|
pjdlog_errno(LOG_ERR, "Unable to accept control connection");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2011-01-27 19:33:57 +00:00
|
|
|
cfg->hc_controlin = conn;
|
2010-02-18 23:16:19 +00:00
|
|
|
nvin = nvout = NULL;
|
|
|
|
role = HAST_ROLE_UNDEF;
|
|
|
|
|
2012-01-10 22:39:07 +00:00
|
|
|
if (hast_proto_recv_hdr(conn, &nvin) == -1) {
|
2010-02-18 23:16:19 +00:00
|
|
|
pjdlog_errno(LOG_ERR, "Unable to receive control header");
|
|
|
|
nvin = NULL;
|
|
|
|
goto close;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Obtain command code. 0 means that nv_get_uint8() failed. */
|
|
|
|
cmd = nv_get_uint8(nvin, "cmd");
|
|
|
|
if (cmd == 0) {
|
|
|
|
pjdlog_error("Control header is missing 'cmd' field.");
|
|
|
|
goto close;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Allocate outgoing nv structure. */
|
|
|
|
nvout = nv_alloc();
|
|
|
|
if (nvout == NULL) {
|
|
|
|
pjdlog_error("Unable to allocate header for control response.");
|
|
|
|
goto close;
|
|
|
|
}
|
|
|
|
|
|
|
|
error = 0;
|
|
|
|
|
|
|
|
str = nv_get_string(nvin, "resource0");
|
|
|
|
if (str == NULL) {
|
|
|
|
pjdlog_error("Control header is missing 'resource0' field.");
|
|
|
|
error = EHAST_INVALID;
|
|
|
|
goto fail;
|
|
|
|
}
|
2011-04-26 19:22:54 +00:00
|
|
|
if (cmd == HASTCTL_CMD_SETROLE) {
|
2010-02-18 23:16:19 +00:00
|
|
|
role = nv_get_uint8(nvin, "role");
|
|
|
|
switch (role) {
|
2011-03-21 15:08:10 +00:00
|
|
|
case HAST_ROLE_INIT:
|
2010-02-18 23:16:19 +00:00
|
|
|
case HAST_ROLE_PRIMARY:
|
|
|
|
case HAST_ROLE_SECONDARY:
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
pjdlog_error("Invalid role received (%hhu).", role);
|
|
|
|
error = EHAST_INVALID;
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (strcmp(str, "all") == 0) {
|
|
|
|
struct hast_resource *res;
|
|
|
|
|
|
|
|
/* All configured resources. */
|
|
|
|
|
|
|
|
ii = 0;
|
|
|
|
TAILQ_FOREACH(res, &cfg->hc_resources, hr_next) {
|
|
|
|
switch (cmd) {
|
2011-04-26 19:22:54 +00:00
|
|
|
case HASTCTL_CMD_SETROLE:
|
2010-08-05 19:04:29 +00:00
|
|
|
control_set_role_common(cfg, nvout, role, res,
|
2010-02-18 23:16:19 +00:00
|
|
|
res->hr_name, ii++);
|
|
|
|
break;
|
2011-04-26 19:22:54 +00:00
|
|
|
case HASTCTL_CMD_STATUS:
|
2010-02-18 23:16:19 +00:00
|
|
|
control_status(cfg, nvout, res, res->hr_name,
|
|
|
|
ii++);
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
pjdlog_error("Invalid command received (%hhu).",
|
|
|
|
cmd);
|
|
|
|
error = EHAST_UNIMPLEMENTED;
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
/* Only selected resources. */
|
|
|
|
|
|
|
|
for (ii = 0; ; ii++) {
|
|
|
|
str = nv_get_string(nvin, "resource%u", ii);
|
|
|
|
if (str == NULL)
|
|
|
|
break;
|
|
|
|
switch (cmd) {
|
2011-04-26 19:22:54 +00:00
|
|
|
case HASTCTL_CMD_SETROLE:
|
2010-08-05 19:04:29 +00:00
|
|
|
control_set_role_common(cfg, nvout, role, NULL,
|
|
|
|
str, ii);
|
2010-02-18 23:16:19 +00:00
|
|
|
break;
|
2011-04-26 19:22:54 +00:00
|
|
|
case HASTCTL_CMD_STATUS:
|
2010-02-18 23:16:19 +00:00
|
|
|
control_status(cfg, nvout, NULL, str, ii);
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
pjdlog_error("Invalid command received (%hhu).",
|
|
|
|
cmd);
|
|
|
|
error = EHAST_UNIMPLEMENTED;
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (nv_error(nvout) != 0)
|
|
|
|
goto close;
|
|
|
|
fail:
|
|
|
|
if (error != 0)
|
|
|
|
nv_add_int16(nvout, error, "error");
|
|
|
|
|
2012-01-10 22:39:07 +00:00
|
|
|
if (hast_proto_send(NULL, conn, nvout, NULL, 0) == -1)
|
2010-02-18 23:16:19 +00:00
|
|
|
pjdlog_errno(LOG_ERR, "Unable to send control response");
|
|
|
|
close:
|
|
|
|
if (nvin != NULL)
|
|
|
|
nv_free(nvin);
|
|
|
|
if (nvout != NULL)
|
|
|
|
nv_free(nvout);
|
|
|
|
proto_close(conn);
|
2011-01-27 19:33:57 +00:00
|
|
|
cfg->hc_controlin = NULL;
|
2010-02-18 23:16:19 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Thread handles control requests from the parent.
|
|
|
|
*/
|
|
|
|
void *
|
|
|
|
ctrl_thread(void *arg)
|
|
|
|
{
|
|
|
|
struct hast_resource *res = arg;
|
|
|
|
struct nv *nvin, *nvout;
|
|
|
|
uint8_t cmd;
|
|
|
|
|
|
|
|
for (;;) {
|
2012-01-10 22:39:07 +00:00
|
|
|
if (hast_proto_recv_hdr(res->hr_ctrl, &nvin) == -1) {
|
2010-02-18 23:16:19 +00:00
|
|
|
if (sigexit_received)
|
|
|
|
pthread_exit(NULL);
|
|
|
|
pjdlog_errno(LOG_ERR,
|
|
|
|
"Unable to receive control message");
|
2010-09-22 18:39:43 +00:00
|
|
|
kill(getpid(), SIGTERM);
|
|
|
|
pthread_exit(NULL);
|
2010-02-18 23:16:19 +00:00
|
|
|
}
|
|
|
|
cmd = nv_get_uint8(nvin, "cmd");
|
|
|
|
if (cmd == 0) {
|
|
|
|
pjdlog_error("Control message is missing 'cmd' field.");
|
|
|
|
nv_free(nvin);
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
nvout = nv_alloc();
|
|
|
|
switch (cmd) {
|
2011-04-26 19:38:30 +00:00
|
|
|
case CONTROL_STATUS:
|
2010-02-18 23:16:19 +00:00
|
|
|
if (res->hr_remotein != NULL &&
|
|
|
|
res->hr_remoteout != NULL) {
|
|
|
|
nv_add_string(nvout, "complete", "status");
|
|
|
|
} else {
|
|
|
|
nv_add_string(nvout, "degraded", "status");
|
|
|
|
}
|
|
|
|
nv_add_uint32(nvout, (uint32_t)res->hr_extentsize,
|
|
|
|
"extentsize");
|
|
|
|
if (res->hr_role == HAST_ROLE_PRIMARY) {
|
|
|
|
nv_add_uint32(nvout,
|
|
|
|
(uint32_t)res->hr_keepdirty, "keepdirty");
|
|
|
|
nv_add_uint64(nvout,
|
|
|
|
(uint64_t)(activemap_ndirty(res->hr_amp) *
|
|
|
|
res->hr_extentsize), "dirty");
|
|
|
|
} else {
|
|
|
|
nv_add_uint32(nvout, (uint32_t)0, "keepdirty");
|
|
|
|
nv_add_uint64(nvout, (uint64_t)0, "dirty");
|
|
|
|
}
|
2011-05-23 21:15:19 +00:00
|
|
|
nv_add_uint64(nvout, res->hr_stat_read, "stat_read");
|
|
|
|
nv_add_uint64(nvout, res->hr_stat_write, "stat_write");
|
|
|
|
nv_add_uint64(nvout, res->hr_stat_delete,
|
|
|
|
"stat_delete");
|
|
|
|
nv_add_uint64(nvout, res->hr_stat_flush, "stat_flush");
|
|
|
|
nv_add_uint64(nvout, res->hr_stat_activemap_update,
|
|
|
|
"stat_activemap_update");
|
2013-02-25 20:09:07 +00:00
|
|
|
nv_add_uint64(nvout, res->hr_stat_read_error,
|
|
|
|
"stat_read_error");
|
|
|
|
nv_add_uint64(nvout, res->hr_stat_write_error +
|
|
|
|
res->hr_stat_activemap_write_error,
|
|
|
|
"stat_write_error");
|
|
|
|
nv_add_uint64(nvout, res->hr_stat_delete_error,
|
|
|
|
"stat_delete_error");
|
|
|
|
nv_add_uint64(nvout, res->hr_stat_flush_error +
|
|
|
|
res->hr_stat_activemap_flush_error,
|
|
|
|
"stat_flush_error");
|
2013-10-26 08:38:21 +00:00
|
|
|
res->output_status_aux(nvout);
|
2011-01-24 15:04:15 +00:00
|
|
|
nv_add_int16(nvout, 0, "error");
|
|
|
|
break;
|
2011-04-26 19:38:30 +00:00
|
|
|
case CONTROL_RELOAD:
|
2011-01-24 15:04:15 +00:00
|
|
|
/*
|
|
|
|
* When parent receives SIGHUP and discovers that
|
|
|
|
* something related to us has changes, it sends reload
|
|
|
|
* message to us.
|
|
|
|
*/
|
2011-09-27 07:57:15 +00:00
|
|
|
PJDLOG_ASSERT(res->hr_role == HAST_ROLE_PRIMARY);
|
2011-01-24 15:04:15 +00:00
|
|
|
primary_config_reload(res, nvin);
|
|
|
|
nv_add_int16(nvout, 0, "error");
|
2010-02-18 23:16:19 +00:00
|
|
|
break;
|
|
|
|
default:
|
|
|
|
nv_add_int16(nvout, EINVAL, "error");
|
|
|
|
break;
|
|
|
|
}
|
2011-01-24 15:04:15 +00:00
|
|
|
nv_free(nvin);
|
2010-02-18 23:16:19 +00:00
|
|
|
if (nv_error(nvout) != 0) {
|
|
|
|
pjdlog_error("Unable to create answer on control message.");
|
|
|
|
nv_free(nvout);
|
|
|
|
continue;
|
|
|
|
}
|
2012-01-10 22:39:07 +00:00
|
|
|
if (hast_proto_send(NULL, res->hr_ctrl, nvout, NULL, 0) == -1) {
|
2010-02-18 23:16:19 +00:00
|
|
|
pjdlog_errno(LOG_ERR,
|
|
|
|
"Unable to send reply to control message");
|
|
|
|
}
|
|
|
|
nv_free(nvout);
|
|
|
|
}
|
|
|
|
/* NOTREACHED */
|
|
|
|
return (NULL);
|
|
|
|
}
|