Author: pjd Date: Tue Aug 31 09:38:43 2010 New Revision: 212049 URL: http://svn.freebsd.org/changeset/base/212049
Log: Forgot to add event.c and event.h in r212038. Pointed out by: pluknet <pluk...@gmail.com> MFC after: 2 weeks Obtained from: Wheel Systems Sp. z o.o. http://www.wheelsystems.com Added: head/sbin/hastd/event.c (contents, props changed) head/sbin/hastd/event.h (contents, props changed) Added: head/sbin/hastd/event.c ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/sbin/hastd/event.c Tue Aug 31 09:38:43 2010 (r212049) @@ -0,0 +1,162 @@ +/*- + * Copyright (c) 2010 Pawel Jakub Dawidek <p...@freebsd.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <assert.h> +#include <errno.h> + +#include "hast.h" +#include "hast_proto.h" +#include "hooks.h" +#include "nv.h" +#include "pjdlog.h" +#include "proto.h" +#include "subr.h" + +#include "event.h" + +void +event_send(const struct hast_resource *res, int event) +{ + struct nv *nvin, *nvout; + int error; + + assert(res != NULL); + assert(event >= EVENT_MIN && event <= EVENT_MAX); + + nvin = nvout = NULL; + + /* + * Prepare and send event to parent process. + */ + nvout = nv_alloc(); + nv_add_uint8(nvout, (uint8_t)event, "event"); + error = nv_error(nvout); + if (error != 0) { + pjdlog_common(LOG_ERR, 0, error, + "Unable to prepare event header"); + goto done; + } + if (hast_proto_send(res, res->hr_event, nvout, NULL, 0) < 0) { + pjdlog_errno(LOG_ERR, "Unable to send event header"); + goto done; + } + if (hast_proto_recv_hdr(res->hr_event, &nvin) < 0) { + pjdlog_errno(LOG_ERR, "Unable to receive event header"); + goto done; + } + /* + * Do nothing with the answer. We only wait for it to be sure not + * to exit too quickly after sending an event and exiting immediately. + */ +done: + if (nvin != NULL) + nv_free(nvin); + if (nvout != NULL) + nv_free(nvout); +} + +int +event_recv(const struct hast_resource *res) +{ + struct nv *nvin, *nvout; + const char *evstr; + uint8_t event; + int error; + + assert(res != NULL); + + nvin = nvout = NULL; + + if (hast_proto_recv_hdr(res->hr_event, &nvin) < 0) { + /* + * First error log as debug. This is because worker process + * most likely exited. + */ + pjdlog_common(LOG_DEBUG, 1, errno, + "Unable to receive event header"); + goto fail; + } + + event = nv_get_uint8(nvin, "event"); + if (event == EVENT_NONE) { + pjdlog_error("Event header is missing 'event' field."); + goto fail; + } + + switch (event) { + case EVENT_CONNECT: + evstr = "connect"; + break; + case EVENT_DISCONNECT: + evstr = "disconnect"; + break; + case EVENT_SYNCSTART: + evstr = "syncstart"; + break; + case EVENT_SYNCDONE: + evstr = "syncdone"; + break; + case EVENT_SYNCINTR: + evstr = "syncintr"; + break; + case EVENT_SPLITBRAIN: + evstr = "split-brain"; + break; + default: + pjdlog_error("Event header contain invalid event number (%hhu).", + event); + goto fail; + } + + pjdlog_prefix_set("[%s] (%s) ", res->hr_name, role2str(res->hr_role)); + hook_exec(res->hr_exec, evstr, res->hr_name, NULL); + pjdlog_prefix_set("%s", ""); + + nvout = nv_alloc(); + nv_add_int16(nvout, 0, "error"); + error = nv_error(nvout); + if (error != 0) { + pjdlog_common(LOG_ERR, 0, error, + "Unable to prepare event header"); + goto fail; + } + if (hast_proto_send(res, res->hr_event, nvout, NULL, 0) < 0) { + pjdlog_errno(LOG_ERR, "Unable to send event header"); + goto fail; + } + nv_free(nvin); + nv_free(nvout); + return (0); +fail: + if (nvin != NULL) + nv_free(nvin); + if (nvout != NULL) + nv_free(nvout); + return (-1); +} Added: head/sbin/hastd/event.h ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/sbin/hastd/event.h Tue Aug 31 09:38:43 2010 (r212049) @@ -0,0 +1,46 @@ +/*- + * Copyright (c) 2010 Pawel Jakub Dawidek <p...@freebsd.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef _EVENT_H_ +#define _EVENT_H_ + +#define EVENT_NONE 0 +#define EVENT_CONNECT 1 +#define EVENT_DISCONNECT 2 +#define EVENT_SYNCSTART 3 +#define EVENT_SYNCDONE 4 +#define EVENT_SYNCINTR 5 +#define EVENT_SPLITBRAIN 6 + +#define EVENT_MIN EVENT_CONNECT +#define EVENT_MAX EVENT_SPLITBRAIN + +void event_send(const struct hast_resource *res, int event); +int event_recv(const struct hast_resource *res); + +#endif /* !_EVENT_H_ */ _______________________________________________ svn-src-head@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
