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/*
* Copyright (C) 2004 Andrew Beekhof <andrew@beekhof.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <crm_internal.h>
#include <sys/param.h>
#include <stdio.h>
#include <sys/types.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <clplumbing/cl_log.h>
#include <ha_msg.h>
#include <time.h>
#include <crm/crm.h>
#include <crm/msg_xml.h>
#include <crm/common/msg.h>
#include <crm/common/ipc.h>
#include <crm/common/cluster.h>
#include "stack.h"
xmlNode *create_common_message(
xmlNode *original_request, xmlNode *xml_response_data);
#if SUPPORT_HEARTBEAT
ll_cluster_t *heartbeat_cluster = NULL;
gboolean
send_ha_message(ll_cluster_t *hb_conn, xmlNode *xml, const char *node, gboolean force_ordered)
{
gboolean all_is_good = TRUE;
HA_Message *msg = convert_xml_message(xml);
if (msg == NULL) {
crm_err("cant send NULL message");
all_is_good = FALSE;
} else if(hb_conn == NULL) {
crm_err("No heartbeat connection specified");
all_is_good = FALSE;
} else if(hb_conn->llc_ops->chan_is_connected(hb_conn) == FALSE) {
crm_err("Not connected to Heartbeat");
all_is_good = FALSE;
} else if(node != NULL) {
if(hb_conn->llc_ops->send_ordered_nodemsg(
hb_conn, msg, node) != HA_OK) {
all_is_good = FALSE;
crm_err("Send failed");
}
} else if(force_ordered) {
if(hb_conn->llc_ops->send_ordered_clustermsg(hb_conn, msg) != HA_OK) {
all_is_good = FALSE;
crm_err("Broadcast Send failed");
}
} else {
if(hb_conn->llc_ops->sendclustermsg(hb_conn, msg) != HA_OK) {
all_is_good = FALSE;
crm_err("Broadcast Send failed");
}
}
if(all_is_good == FALSE && hb_conn != NULL) {
IPC_Channel *ipc = NULL;
IPC_Queue *send_q = NULL;
if(hb_conn->llc_ops->chan_is_connected(hb_conn) != HA_OK) {
ipc = hb_conn->llc_ops->ipcchan(hb_conn);
}
if(ipc != NULL) {
/* ipc->ops->resume_io(ipc); */
send_q = ipc->send_queue;
}
if(send_q != NULL) {
CRM_CHECK(send_q->current_qlen < send_q->max_qlen, ;);
}
}
crm_log_xml(all_is_good?LOG_MSG:LOG_WARNING, "HA[outbound]", xml);
crm_msg_del(msg);
return all_is_good;
}
gboolean
ha_msg_dispatch(ll_cluster_t *cluster_conn, gpointer user_data)
{
IPC_Channel *channel = NULL;
crm_debug_3("Invoked");
if(cluster_conn != NULL) {
channel = cluster_conn->llc_ops->ipcchan(cluster_conn);
}
CRM_CHECK(cluster_conn != NULL, return FALSE);
CRM_CHECK(channel != NULL, return FALSE);
if(channel != NULL && IPC_ISRCONN(channel)) {
if(cluster_conn->llc_ops->msgready(cluster_conn) == 0) {
crm_debug_2("no message ready yet");
}
/* invoke the callbacks but dont block */
cluster_conn->llc_ops->rcvmsg(cluster_conn, 0);
}
if (channel == NULL || channel->ch_status != IPC_CONNECT) {
crm_info("Lost connection to heartbeat service.");
return FALSE;
}
return TRUE;
}
gboolean
register_heartbeat_conn(
ll_cluster_t *hb_cluster, char **uuid, char **uname,
void (*hb_message)(HA_Message *msg, void* private_data),
void (*hb_destroy)(gpointer user_data))
{
const char *const_uuid = NULL;
const char *const_uname = NULL;
crm_debug("Signing in with Heartbeat");
if (hb_cluster->llc_ops->signon(hb_cluster, crm_system_name) != HA_OK) {
crm_err("Cannot sign on with heartbeat: %s",
hb_cluster->llc_ops->errmsg(hb_cluster));
return FALSE;
}
if (HA_OK != hb_cluster->llc_ops->set_msg_callback(
hb_cluster, crm_system_name, hb_message, hb_cluster)){
crm_err("Cannot set msg callback: %s",
hb_cluster->llc_ops->errmsg(hb_cluster));
return FALSE;
}
G_main_add_ll_cluster(G_PRIORITY_HIGH, hb_cluster,
FALSE, ha_msg_dispatch, hb_cluster, hb_destroy);
const_uname = hb_cluster->llc_ops->get_mynodeid(hb_cluster);
CRM_CHECK(const_uname != NULL, return FALSE);
const_uuid = get_uuid(const_uname);
CRM_CHECK(const_uuid != NULL, return FALSE);
crm_info("Hostname: %s", const_uname);
crm_info("UUID: %s", const_uuid);
if(uname) {
*uname = crm_strdup(const_uname);
}
if(uuid) {
*uuid = crm_strdup(const_uuid);
}
return TRUE;
}
gboolean
ccm_have_quorum(oc_ed_t event)
{
if(event==OC_EV_MS_NEW_MEMBERSHIP
|| event==OC_EV_MS_PRIMARY_RESTORED) {
return TRUE;
}
return FALSE;
}
const char *
ccm_event_name(oc_ed_t event)
{
if(event==OC_EV_MS_NEW_MEMBERSHIP) {
return "NEW MEMBERSHIP";
} else if(event==OC_EV_MS_NOT_PRIMARY) {
return "NOT PRIMARY";
} else if(event==OC_EV_MS_PRIMARY_RESTORED) {
return "PRIMARY RESTORED";
} else if(event==OC_EV_MS_EVICTED) {
return "EVICTED";
} else if(event==OC_EV_MS_INVALID) {
return "INVALID";
}
return "NO QUORUM MEMBERSHIP";
}
#endif

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