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	diff --git a/fencing/commands.c b/fencing/commands.c
	index c3680ffba4..c856c8d65f 100644
	--- a/fencing/commands.c
	+++ b/fencing/commands.c
	@@ -1,1540 +1,1573 @@
	/*
	* Copyright (C) 2009 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 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	*/

	#include <crm_internal.h>

	#include <sys/param.h>
	#include <stdio.h>
	#include <sys/types.h>
	#include <sys/wait.h>
	#include <sys/stat.h>
	#include <unistd.h>
	#include <sys/utsname.h>

	#include <stdlib.h>
	#include <errno.h>
	#include <fcntl.h>
	#include <ctype.h>

	#include <crm/crm.h>
	#include <crm/msg_xml.h>
	#include <crm/common/ipc.h>
	#include <crm/cluster/internal.h>
	#include <crm/common/mainloop.h>

	#include <crm/stonith-ng.h>
	#include <crm/fencing/internal.h>
	#include <crm/common/xml.h>

	#include <internal.h>

	GHashTable *device_list = NULL;
	GHashTable *topology = NULL;
	GList *cmd_list = NULL;

	static int active_children = 0;
	static gboolean stonith_device_dispatch(gpointer user_data);
	static void st_child_done(GPid pid, int rc, const char *output, gpointer user_data);

	typedef struct async_command_s {

	int id;
	int pid;
	int fd_stdout;
	int options;
	int default_timeout;
	int timeout;

	char *op;
	char *origin;
	char *client;
	char *client_name;
	char *remote_op_id;

	char *victim;
	char *action;
	char *device;
	char *mode;

	GListPtr device_list;
	GListPtr device_next;

	void (done)(GPid pid, int rc, const char output, gpointer user_data);
	guint timer_sigterm;
	guint timer_sigkill;
	/*! If the operation timed out, this is the last signal
	* we sent to the process to get it to terminate */
	int last_timeout_signo;
	} async_command_t;

	static xmlNode *
	stonith_construct_async_reply(async_command_t cmd, const char output, xmlNode *data, int rc);

	static int
	get_action_timeout(stonith_device_t device, const char action, int default_timeout)
	{
	char buffer[512] = { 0, };
	char *value = NULL;

	CRM_CHECK(action != NULL, return default_timeout);

	if (!device->params) {
	return default_timeout;
	}

	snprintf(buffer, sizeof(buffer) - 1, "pcmk_%s_timeout", action);
	value = g_hash_table_lookup(device->params, buffer);

	if (!value) {
	return default_timeout;
	}

	return atoi(value);
	}

	static void free_async_command(async_command_t *cmd)
	{
	if (!cmd) {
	return;
	}
	cmd_list = g_list_remove(cmd_list, cmd);

	g_list_free(cmd->device_list);
	free(cmd->device);
	free(cmd->action);
	free(cmd->victim);
	free(cmd->remote_op_id);
	free(cmd->client);
	free(cmd->client_name);
	free(cmd->origin);
	free(cmd->op);
	free(cmd);
	}

	static async_command_t create_async_command(xmlNode msg)
	{
	async_command_t *cmd = NULL;
	xmlNode *op = get_xpath_object("//@"F_STONITH_ACTION, msg, LOG_ERR);
	const char *action = crm_element_value(op, F_STONITH_ACTION);

	CRM_CHECK(action != NULL, crm_log_xml_warn(msg, "NoAction"); return NULL);

	crm_log_xml_trace(msg, "Command");
	cmd = calloc(1, sizeof(async_command_t));
	crm_element_value_int(msg, F_STONITH_CALLID, &(cmd->id));
	crm_element_value_int(msg, F_STONITH_CALLOPTS, &(cmd->options));
	crm_element_value_int(msg, F_STONITH_TIMEOUT, &(cmd->default_timeout));
	cmd->timeout = cmd->default_timeout;

	cmd->origin = crm_element_value_copy(msg, F_ORIG);
	cmd->remote_op_id = crm_element_value_copy(msg, F_STONITH_REMOTE_OP_ID);
	cmd->client = crm_element_value_copy(msg, F_STONITH_CLIENTID);
	cmd->client_name = crm_element_value_copy(msg, F_STONITH_CLIENTNAME);
	cmd->op = crm_element_value_copy(msg, F_STONITH_OPERATION);
	cmd->action = strdup(action);
	cmd->victim = crm_element_value_copy(op, F_STONITH_TARGET);
	cmd->mode = crm_element_value_copy(op, F_STONITH_MODE);
	cmd->device = crm_element_value_copy(op, F_STONITH_DEVICE);

	CRM_CHECK(cmd->op != NULL, crm_log_xml_warn(msg, "NoOp"); free_async_command(cmd); return NULL);
	CRM_CHECK(cmd->client != NULL, crm_log_xml_warn(msg, "NoClient"));

	cmd_list = g_list_append(cmd_list, cmd);
	return cmd;
	}

	static int stonith_manual_ack(xmlNode msg, remote_fencing_op_t op)
	{
	async_command_t *cmd = create_async_command(msg);
	xmlNode *dev = get_xpath_object("//@"F_STONITH_TARGET, msg, LOG_ERR);

	if(cmd == NULL) {
	return -EINVAL;
	}

	cmd->device = strdup("manual_ack");
	cmd->remote_op_id = strdup(op->id);

	crm_notice("Injecting manual confirmation that %s is safely off/down",
	crm_element_value(dev, F_STONITH_TARGET));

	st_child_done(0, 0, NULL, cmd);
	return pcmk_ok;
	}

	static gboolean stonith_device_execute(stonith_device_t *device)
	{
	int rc = 0;
	int exec_rc = 0;
	async_command_t *cmd = NULL;
	stonith_action_t *action = NULL;
	CRM_CHECK(device != NULL, return FALSE);

	if(device->active_pid) {
	crm_trace("%s is still active with pid %u", device->id, device->active_pid);
	return TRUE;
	}

	if(device->pending_ops) {
	GList *first = device->pending_ops;
	device->pending_ops = g_list_remove_link(device->pending_ops, first);
	cmd = first->data;
	g_list_free_1(first);
	}

	if(cmd == NULL) {
	crm_trace("Nothing further to do for %s", device->id);
	return TRUE;
	}

	action = stonith_action_create(device->agent,
	cmd->action,
	cmd->victim,
	cmd->timeout,
	device->params,
	device->aliases);

	exec_rc = stonith_action_execute_async(action, (void *) cmd, st_child_done);

	if(exec_rc > 0) {
	crm_debug("Operation %s%s%s on %s now running with pid=%d, timeout=%dms",
	cmd->action, cmd->victim?" for node ":"", cmd->victim?cmd->victim:"",
	device->id, exec_rc, cmd->timeout);
	device->active_pid = exec_rc;

	} else {
	crm_warn("Operation %s%s%s on %s failed (%d/%d)",
	cmd->action, cmd->victim?" for node ":"", cmd->victim?cmd->victim:"",
	device->id, exec_rc, rc);
	st_child_done(0, rc<0?rc:exec_rc, NULL, cmd);
	}
	return TRUE;
	}

	static gboolean stonith_device_dispatch(gpointer user_data)
	{
	return stonith_device_execute(user_data);
	}

	static void schedule_stonith_command(async_command_t cmd, stonith_device_t device)
	{
	CRM_CHECK(cmd != NULL, return);
	CRM_CHECK(device != NULL, return);

	if (cmd->device) {
	free(cmd->device);
	}

	cmd->device = strdup(device->id);
	cmd->timeout = get_action_timeout(device, cmd->action, cmd->default_timeout);

	if (cmd->remote_op_id) {
	crm_debug("Scheduling %s on %s for remote peer %s with op id (%s) (timeout=%dms)",
	cmd->action,
	device->id,
	cmd->origin,
	cmd->remote_op_id,
	cmd->timeout);
	} else {
	crm_debug("Scheduling %s on %s for %s (timeout=%dms)",
	cmd->action,
	device->id,
	cmd->client,
	cmd->timeout);
	}

	device->pending_ops = g_list_append(device->pending_ops, cmd);
	mainloop_set_trigger(device->work);
	}

	void free_device(gpointer data)
	{
	GListPtr gIter = NULL;
	stonith_device_t *device = data;

	g_hash_table_destroy(device->params);
	g_hash_table_destroy(device->aliases);

	for(gIter = device->pending_ops; gIter != NULL; gIter = gIter->next) {
	async_command_t *cmd = gIter->data;

	crm_warn("Removal of device '%s' purged operation %s", device->id, cmd->action);
	st_child_done(0, -ENODEV, NULL, cmd);
	free_async_command(cmd);
	}
	g_list_free(device->pending_ops);

	g_list_free_full(device->targets, free);
	free(device->namespace);
	free(device->agent);
	free(device->id);
	free(device);
	}

	static GHashTable build_port_aliases(const char hostmap, GListPtr *targets)
	{
	char *name = NULL;
	int last = 0, lpc = 0, max = 0, added = 0;
	GHashTable *aliases = g_hash_table_new_full(crm_str_hash, g_str_equal, g_hash_destroy_str, g_hash_destroy_str);

	if(hostmap == NULL) {
	return aliases;
	}

	max = strlen(hostmap);
	for(; lpc <= max; lpc++) {
	switch(hostmap[lpc]) {
	/* Assignment chars */
	case '=':
	case ':':
	if(lpc > last) {
	free(name);
	name = calloc(1, 1 + lpc - last);
	memcpy(name, hostmap + last, lpc - last);
	}
	last = lpc + 1;
	break;

	/* Delimeter chars */
	/* case ',': Potentially used to specify multiple ports */
	case 0:
	case ';':
	case ' ':
	case '\t':
	if(name) {
	char *value = NULL;
	value = calloc(1, 1 + lpc - last);
	memcpy(value, hostmap + last, lpc - last);

	crm_debug("Adding alias '%s'='%s'", name, value);
	g_hash_table_replace(aliases, name, value);
	if(targets) {
	targets = g_list_append(targets, strdup(value));
	}
	value=NULL;
	name=NULL;
	added++;

	} else if(lpc > last) {
	crm_debug("Parse error at offset %d near '%s'", lpc-last, hostmap+last);
	}

	last = lpc + 1;
	break;
	}

	if(hostmap[lpc] == 0) {
	break;
	}
	}

	if(added == 0) {
	crm_info("No host mappings detected in '%s'", hostmap);
	}

	free(name);
	return aliases;
	}

	static void parse_host_line(const char line, GListPtr output)
	{
	int lpc = 0;
	int max = 0;
	int last = 0;

	if(line) {
	max = strlen(line);
	} else {
	return;
	}

	/* Check for any complaints about additional parameters that the device doesn't understand */
	if(strstr(line, "invalid") \|\| strstr(line, "variable")) {
	crm_debug("Skipping: %s", line);
	return;
	}

	crm_trace("Processing: %s", line);
	/* Skip initial whitespace */
	for(lpc = 0; lpc <= max && isspace(line[lpc]); lpc++) {
	last = lpc+1;
	}

	/* Now the actual content */
	for(lpc = 0; lpc <= max; lpc++) {
	gboolean a_space = isspace(line[lpc]);
	if(a_space && lpc < max && isspace(line[lpc+1])) {
	/* fast-forward to the end of the spaces */

	} else if(a_space \|\| line[lpc] == ',' \|\| line[lpc] == 0) {
	int rc = 1;
	char *entry = NULL;

	if(lpc != last) {
	entry = calloc(1, 1 + lpc - last);
	rc = sscanf(line+last, "%[a-zA-Z0-9_-.]", entry);
	}

	if(entry == NULL) {
	/* Skip */
	} else if(rc != 1) {
	crm_warn("Could not parse (%d %d): %s", last, lpc, line+last);
	} else if(safe_str_neq(entry, "on") && safe_str_neq(entry, "off")) {
	crm_trace("Adding '%s'", entry);
	output = g_list_append(output, entry);
	entry = NULL;
	}

	free(entry);
	last = lpc + 1;
	}
	}
	}

	static GListPtr parse_host_list(const char *hosts)
	{
	int lpc = 0;
	int max = 0;
	int last = 0;
	GListPtr output = NULL;

	if(hosts == NULL) {
	return output;
	}

	max = strlen(hosts);
	for(lpc = 0; lpc <= max; lpc++) {
	if(hosts[lpc] == '\n' \|\| hosts[lpc] == 0) {
	char *line = NULL;

	line = calloc(1, 2 + lpc - last);
	snprintf(line, 1 + lpc - last, "%s", hosts+last);
	parse_host_line(line, &output);
	free(line);

	last = lpc + 1;
	}
	}

	return output;
	}

	static stonith_device_t build_device_from_xml(xmlNode msg)
	{
	xmlNode *dev = get_xpath_object("//"F_STONITH_DEVICE, msg, LOG_ERR);
	stonith_device_t *device = NULL;

	device = calloc(1, sizeof(stonith_device_t));
	device->id = crm_element_value_copy(dev, XML_ATTR_ID);
	device->agent = crm_element_value_copy(dev, "agent");
	device->namespace = crm_element_value_copy(dev, "namespace");
	device->params = xml2list(dev);
	device->work = mainloop_add_trigger(G_PRIORITY_HIGH, stonith_device_dispatch, device);
	/* TODO: Hook up priority */

	return device;
	}

	static const char *
	target_list_type(stonith_device_t *dev)
	{
	const char *check_type = NULL;

	check_type = g_hash_table_lookup(dev->params, STONITH_ATTR_HOSTCHECK);

	if(check_type == NULL) {

	if(g_hash_table_lookup(dev->params, STONITH_ATTR_HOSTLIST)) {
	check_type = "static-list";
	} else if(g_hash_table_lookup(dev->params, STONITH_ATTR_HOSTMAP)) {
	check_type = "static-list";
	} else {
	check_type = "dynamic-list";
	}
	}

	return check_type;
	}

	static void
	update_dynamic_list(stonith_device_t *dev)
	{
	time_t now = time(NULL);

	/* Host/alias must be in the list output to be eligable to be fenced
	*
	* Will cause problems if down'd nodes aren't listed or (for virtual nodes)
	* if the guest is still listed despite being moved to another machine
	*/

	if(dev->targets_age < 0) {
	crm_trace("Port list queries disabled for %s", dev->id);

	} else if(dev->targets == NULL \|\| dev->targets_age + 60 < now) {
	stonith_action_t *action = NULL;
	char *output = NULL;
	int rc = pcmk_ok;
	int exec_rc = pcmk_ok;

	if(dev->active_pid != 0) {
	crm_notice("Port list query can not execute because device is busy, using cache: %s",
	dev->targets ? "YES" : "NO");
	return;
	}

	action = stonith_action_create(dev->agent, "list", NULL, 5, dev->params, NULL);
	exec_rc = stonith_action_execute(action, &rc, &output);

	if(rc != 0 && dev->active_pid == 0) {
	/* This device probably only supports a single
	* connection, which appears to already be in use,
	* likely involved in a montior or (less likely)
	* metadata operation.
	*
	* Avoid disabling port list queries in the hope that
	* the op would succeed next time
	*/
	crm_info("Couldn't query ports for %s. Call failed with rc=%d and active_pid=%d: %s",
	dev->agent, rc, dev->active_pid, output);

	} else if(exec_rc < 0 \|\| rc != 0) {
	crm_notice("Disabling port list queries for %s (%d/%d): %s",
	dev->id, exec_rc, rc, output);
	dev->targets_age = -1;

	/* Fall back to status */
	g_hash_table_replace(dev->params, strdup(STONITH_ATTR_HOSTCHECK), strdup("status"));

	g_list_free_full(dev->targets, free);
	dev->targets = NULL;
	} else {
	crm_info("Refreshing port list for %s", dev->id);
	g_list_free_full(dev->targets, free);
	dev->targets = parse_host_list(output);
	dev->targets_age = now;
	}

	free(output);
	}
	}

	+/*!
	+ * \internal
	+ * \brief Checks to see if an identical device already exists in the device_list
	+ */
	+static stonith_device_t *
	+device_has_duplicate(stonith_device_t *device)
	+{
	+ char *key = NULL;
	+ char *value = NULL;
	+ GHashTableIter gIter;
	+ stonith_device_t *dup = g_hash_table_lookup(device_list, device->id);
	+
	+ if (!dup \|\| safe_str_neq(dup->agent, device->agent)) {
	+ return NULL;
	+ }
	+ g_hash_table_iter_init(&gIter, device->params);
	+ while (g_hash_table_iter_next(&gIter, (void ) &key, (void ) &value)) {
	+ char *other_value = g_hash_table_lookup(dup->params, key);
	+ if (!other_value \|\| safe_str_neq(other_value, value)) {
	+ return NULL;
	+ }
	+ }
	+
	+ return dup;
	+}
	+
	int stonith_device_register(xmlNode msg, const char *desc)
	{
	const char *value = NULL;
	+ stonith_device_t *dup = NULL;
	stonith_device_t *device = build_device_from_xml(msg);

	value = g_hash_table_lookup(device->params, STONITH_ATTR_HOSTLIST);
	if(value) {
	device->targets = parse_host_list(value);
	}

	value = g_hash_table_lookup(device->params, STONITH_ATTR_HOSTMAP);
	device->aliases = build_port_aliases(value, &(device->targets));

	value = target_list_type(device);
	if (safe_str_eq(value, "dynamic-list")) {
	/* set the dynamic list during the register to guarantee we have
	* targets cached */
	update_dynamic_list(device);
	}

	- g_hash_table_replace(device_list, device->id, device);
	+ if ((dup = device_has_duplicate(device))) {
	+ crm_notice("Device '%s' already existed in device list (%d active devices)", device->id, g_hash_table_size(device_list));
	+ free_device(device);
	+ device = dup;
	+ } else {
	+ g_hash_table_replace(device_list, device->id, device);

	- crm_notice("Added '%s' to the device list (%d active devices)", device->id, g_hash_table_size(device_list));
	+ crm_notice("Added '%s' to the device list (%d active devices)", device->id, g_hash_table_size(device_list));
	+ }
	if(desc) {
	*desc = device->id;
	}
	return pcmk_ok;
	}

	int stonith_device_remove(const char *id)
	{
	if(g_hash_table_remove(device_list, id)) {
	crm_info("Removed '%s' from the device list (%d active devices)",
	id, g_hash_table_size(device_list));
	} else {
	crm_info("Device '%s' not found (%d active devices)",
	id, g_hash_table_size(device_list));
	}
	return pcmk_ok;
	}

	static int count_active_levels(stonith_topology_t *tp)
	{
	int lpc = 0;
	int count = 0;
	for(lpc = 0; lpc < ST_LEVEL_MAX; lpc++) {
	if(tp->levels[lpc] != NULL) {
	count++;
	}
	}
	return count;
	}

	void free_topology_entry(gpointer data)
	{
	stonith_topology_t *tp = data;

	int lpc = 0;
	for(lpc = 0; lpc < ST_LEVEL_MAX; lpc++) {
	if(tp->levels[lpc] != NULL) {
	g_list_free_full(tp->levels[lpc], free);
	}
	}
	free(tp->node);
	free(tp);
	}

	int stonith_level_register(xmlNode msg, char *desc)
	{
	int id = 0;
	int rc = pcmk_ok;
	xmlNode *child = NULL;

	xmlNode *level = get_xpath_object("//"F_STONITH_LEVEL, msg, LOG_ERR);
	const char *node = crm_element_value(level, F_STONITH_TARGET);
	stonith_topology_t *tp = g_hash_table_lookup(topology, node);

	crm_element_value_int(level, XML_ATTR_ID, &id);
	if(desc) {
	*desc = g_strdup_printf("%s[%d]", node, id);
	}
	if(id <= 0 \|\| id >= ST_LEVEL_MAX) {
	return -EINVAL;
	}

	if(tp == NULL) {
	tp = calloc(1, sizeof(stonith_topology_t));
	tp->node = strdup(node);
	g_hash_table_replace(topology, tp->node, tp);
	crm_trace("Added %s to the topology (%d active entries)", node, g_hash_table_size(topology));
	}

	if(tp->levels[id] != NULL) {
	crm_info("Adding to the existing %s[%d] topology entry (%d active entries)", node, id, count_active_levels(tp));
	}

	for (child = __xml_first_child(level); child != NULL; child = __xml_next(child)) {
	const char *device = ID(child);
	crm_trace("Adding device '%s' for %s (%d)", device, node, id);
	tp->levels[id] = g_list_append(tp->levels[id], strdup(device));
	}

	crm_info("Node %s has %d active fencing levels", node, count_active_levels(tp));
	return rc;
	}

	int stonith_level_remove(xmlNode msg, char *desc)
	{
	int id = 0;
	xmlNode *level = get_xpath_object("//"F_STONITH_LEVEL, msg, LOG_ERR);
	const char *node = crm_element_value(level, F_STONITH_TARGET);
	stonith_topology_t *tp = g_hash_table_lookup(topology, node);

	if(desc) {
	*desc = g_strdup_printf("%s[%d]", node, id);
	}
	crm_element_value_int(level, XML_ATTR_ID, &id);

	if(tp == NULL) {
	crm_info("Node %s not found (%d active entries)",
	node, g_hash_table_size(topology));
	return pcmk_ok;

	} else if(id < 0 \|\| id >= ST_LEVEL_MAX) {
	return -EINVAL;
	}

	if(id == 0 && g_hash_table_remove(topology, node)) {
	crm_info("Removed all %s related entries from the topology (%d active entries)",
	node, g_hash_table_size(topology));

	} else if(id > 0 && tp->levels[id] != NULL) {
	g_list_free_full(tp->levels[id], free);
	tp->levels[id] = NULL;

	crm_info("Removed entry '%d' from %s's topology (%d active entries remaining)",
	id, node, count_active_levels(tp));
	}
	return pcmk_ok;
	}

	static gboolean string_in_list(GListPtr list, const char *item)
	{
	int lpc = 0;
	int max = g_list_length(list);
	for(lpc = 0; lpc < max; lpc ++) {
	const char *value = g_list_nth_data(list, lpc);
	if(safe_str_eq(item, value)) {
	return TRUE;
	}
	}
	return FALSE;
	}

	static int stonith_device_action(xmlNode msg, char *output)
	{
	int rc = pcmk_ok;
	xmlNode *dev = get_xpath_object("//"F_STONITH_DEVICE, msg, LOG_ERR);
	const char *id = crm_element_value(dev, F_STONITH_DEVICE);

	async_command_t *cmd = NULL;
	stonith_device_t *device = NULL;

	if(id) {
	crm_trace("Looking for '%s'", id);
	device = g_hash_table_lookup(device_list, id);
	}

	if(device) {
	cmd = create_async_command(msg);
	if(cmd == NULL) {
	free_device(device);
	return -EPROTO;
	}

	schedule_stonith_command(cmd, device);
	rc = -EINPROGRESS;

	} else {
	crm_info("Device %s not found", id?id:"<none>");
	rc = -ENODEV;
	}
	return rc;
	}

	static gboolean can_fence_host_with_device(stonith_device_t dev, const char host)
	{
	gboolean can = FALSE;
	const char *alias = host;
	const char *check_type = NULL;

	if(dev == NULL) {
	return FALSE;

	} else if(host == NULL) {
	return TRUE;
	}

	if(g_hash_table_lookup(dev->aliases, host)) {
	alias = g_hash_table_lookup(dev->aliases, host);
	}

	check_type = target_list_type(dev);

	if(safe_str_eq(check_type, "none")) {
	can = TRUE;

	} else if(safe_str_eq(check_type, "static-list")) {

	/* Presence in the hostmap is sufficient
	* Only use if all hosts on which the device can be active can always fence all listed hosts
	*/

	if(string_in_list(dev->targets, host)) {
	can = TRUE;
	} else if(g_hash_table_lookup(dev->params, STONITH_ATTR_HOSTMAP)
	&& g_hash_table_lookup(dev->aliases, host)) {
	can = TRUE;
	}

	} else if(safe_str_eq(check_type, "dynamic-list")) {
	update_dynamic_list(dev);

	if(string_in_list(dev->targets, alias)) {
	can = TRUE;
	}

	} else if(safe_str_eq(check_type, "status")) {
	int rc = 0;
	int exec_rc = 0;
	stonith_action_t *action = NULL;
	/* Run the status operation for the device/target combination
	* Will cause problems if the device doesn't return 2 for down'd nodes or
	* (for virtual nodes) if the device doesn't return 1 for guests that
	* have been moved to another host
	*/

	action = stonith_action_create(dev->agent, "status", host, 5, dev->params, dev->aliases);
	exec_rc = stonith_action_execute(action, &rc, NULL);

	if(exec_rc != 0) {
	crm_err("Could not invoke %s: rc=%d", dev->id, exec_rc);

	} else if(rc == 1 /* unkown */) {
	crm_trace("Host %s is not known by %s", host, dev->id);

	} else if(rc == 0 /* active / \|\| rc == 2 / inactive */) {
	can = TRUE;

	} else {
	crm_notice("Unkown result when testing if %s can fence %s: rc=%d", dev->id, host, rc);
	}

	} else {
	crm_err("Unknown check type: %s", check_type);
	}

	if(safe_str_eq(host, alias)) {
	crm_info("%s can%s fence %s: %s", dev->id, can?"":" not", host, check_type);
	} else {
	crm_info("%s can%s fence %s (aka. '%s'): %s", dev->id, can?"":" not", host, alias, check_type);
	}
	return can;
	}


	struct device_search_s
	{
	const char *host;
	GListPtr capable;
	};

	static void search_devices(
	gpointer key, gpointer value, gpointer user_data)
	{
	stonith_device_t *dev = value;
	struct device_search_s *search = user_data;
	if(can_fence_host_with_device(dev, search->host)) {
	search->capable = g_list_append(search->capable, value);
	}
	}

	static int stonith_query(xmlNode msg, xmlNode *list)
	{
	struct device_search_s search;
	int available_devices = 0;
	const char *action = NULL;
	xmlNode *dev = get_xpath_object("//@"F_STONITH_ACTION, msg, LOG_DEBUG_3);

	search.host = NULL;
	search.capable = NULL;

	if(dev) {
	const char *device = crm_element_value(dev, F_STONITH_DEVICE);
	search.host = crm_element_value(dev, F_STONITH_TARGET);
	if(device && safe_str_eq(device, "manual_ack")) {
	/* No query necessary */
	if(list) {
	*list = NULL;
	}
	return pcmk_ok;
	}

	action = crm_element_value(dev, F_STONITH_ACTION);
	}

	crm_log_xml_debug(msg, "Query");

	g_hash_table_foreach(device_list, search_devices, &search);
	available_devices = g_list_length(search.capable);
	if(search.host) {
	crm_debug("Found %d matching devices for '%s'",
	available_devices, search.host);
	} else {
	crm_debug("%d devices installed", available_devices);
	}

	/* Pack the results into data */
	if(list) {
	GListPtr lpc = NULL;
	*list = create_xml_node(NULL, __FUNCTION__);
	crm_xml_add(*list, F_STONITH_TARGET, search.host);
	crm_xml_add_int(*list, "st-available-devices", available_devices);
	for(lpc = search.capable; lpc != NULL; lpc = lpc->next) {
	stonith_device_t device = (stonith_device_t)lpc->data;
	int action_specific_timeout = get_action_timeout(device, action, 0);

	dev = create_xml_node(*list, F_STONITH_DEVICE);
	crm_xml_add(dev, XML_ATTR_ID, device->id);
	crm_xml_add(dev, "namespace", device->namespace);
	crm_xml_add(dev, "agent", device->agent);
	if (action_specific_timeout) {
	crm_xml_add_int(dev, F_STONITH_ACTION_TIMEOUT, action_specific_timeout);
	}
	if(search.host == NULL) {
	xmlNode *attrs = create_xml_node(dev, XML_TAG_ATTRS);
	g_hash_table_foreach(device->params, hash2field, attrs);
	}
	}
	}

	g_list_free(search.capable);

	return available_devices;
	}

	static void log_operation(async_command_t cmd, int rc, int pid, const char next, const char *output)
	{
	if(rc == 0) {
	next = NULL;
	}

	if(cmd->victim != NULL) {
	do_crm_log(rc==0?LOG_NOTICE:LOG_ERR,
	"Operation '%s' [%d] (call %d from %s) for host '%s' with device '%s' returned: %d (%s)%s%s",
	cmd->action, pid, cmd->id, cmd->client_name, cmd->victim, cmd->device, rc, pcmk_strerror(rc),
	next?". Trying: ":"", next?next:"");
	} else {
	do_crm_log_unlikely(rc==0?LOG_DEBUG:LOG_NOTICE,
	"Operation '%s' [%d] for device '%s' returned: %d (%s)%s%s",
	cmd->action, pid, cmd->device, rc, pcmk_strerror(rc), next?". Trying: ":"", next?next:"");
	}

	if(output) {
	/* Logging the whole string confuses syslog when the string is xml */
	char *local_copy = strdup(output);
	int lpc = 0, last = 0, more = strlen(local_copy);
	for(lpc = 0; lpc < more; lpc++) {
	if(local_copy[lpc] == '\n' \|\| local_copy[lpc] == 0) {
	local_copy[lpc] = 0;
	do_crm_log(rc==0?LOG_INFO:LOG_WARNING, "%s: %s",
	cmd->device, local_copy+last);
	last = lpc+1;
	}
	}
	crm_debug("%s: %s (total %d bytes)", cmd->device, local_copy+last, more);
	free(local_copy);
	}
	}

	static void
	stonith_send_async_reply(async_command_t cmd, const char output, int rc, GPid pid)
	{
	xmlNode *reply = NULL;
	gboolean bcast = FALSE;

	reply = stonith_construct_async_reply(cmd, output, NULL, rc);

	if(safe_str_eq(cmd->action, "metadata")) {
	/* Too verbose to log */
	crm_trace("Metadata query for %s", cmd->device);
	output = NULL;

	} else if(crm_str_eq(cmd->action, "monitor", TRUE) \|\|
	crm_str_eq(cmd->action, "list", TRUE) \|\|
	crm_str_eq(cmd->action, "status", TRUE)) {
	crm_trace("Never broadcast %s replies", cmd->action);

	} else if(!stand_alone && safe_str_eq(cmd->origin, cmd->victim)) {
	crm_trace("Broadcast %s reply for %s", cmd->action, cmd->victim);
	crm_xml_add(reply, F_SUBTYPE, "broadcast");
	bcast = TRUE;
	}

	log_operation(cmd, rc, pid, NULL, output);
	crm_log_xml_trace(reply, "Reply");

	if(bcast) {
	crm_xml_add(reply, F_STONITH_OPERATION, T_STONITH_NOTIFY);
	send_cluster_message(NULL, crm_msg_stonith_ng, reply, FALSE);

	} else if(cmd->origin) {
	crm_trace("Directed reply to %s", cmd->origin);
	send_cluster_message(crm_get_peer(0, cmd->origin), crm_msg_stonith_ng, reply, FALSE);

	} else {
	crm_trace("Directed local %ssync reply to %s",
	(cmd->options & st_opt_sync_call)?"":"a-", cmd->client_name);
	do_local_reply(reply, cmd->client, cmd->options & st_opt_sync_call, FALSE);
	}

	if(stand_alone) {
	/* Do notification with a clean data object */
	xmlNode *notify_data = create_xml_node(NULL, T_STONITH_NOTIFY_FENCE);
	crm_xml_add_int(notify_data, F_STONITH_RC, rc);
	crm_xml_add(notify_data, F_STONITH_TARGET, cmd->victim);
	crm_xml_add(notify_data, F_STONITH_OPERATION, cmd->op);
	crm_xml_add(notify_data, F_STONITH_DELEGATE, cmd->device);
	crm_xml_add(notify_data, F_STONITH_REMOTE_OP_ID, cmd->remote_op_id);
	crm_xml_add(notify_data, F_STONITH_ORIGIN, cmd->client);

	do_stonith_notify(0, T_STONITH_NOTIFY_FENCE, rc, notify_data);
	}

	free_xml(reply);
	}


	static void cancel_stonith_command(async_command_t *cmd)
	{
	stonith_device_t *device;

	CRM_CHECK(cmd != NULL, return);

	if (!cmd->device) {
	return;
	}

	device = g_hash_table_lookup(device_list, cmd->device);

	if (device) {
	crm_trace("Cancel scheduled %s on %s", cmd->action, device->id);
	device->pending_ops = g_list_remove(device->pending_ops, cmd);
	}
	}

	#define READ_MAX 500
	static void st_child_done(GPid pid, int rc, const char *output, gpointer user_data)
	{
	stonith_device_t *device = NULL;
	async_command_t *cmd = user_data;

	GListPtr gIter = NULL;
	GListPtr gIterNext = NULL;

	CRM_CHECK(cmd != NULL, return);

	active_children--;

	/* The device is ready to do something else now */
	device = g_hash_table_lookup(device_list, cmd->device);
	if(device) {
	device->active_pid = 0;
	mainloop_set_trigger(device->work);
	}

	crm_trace("Operation %s on %s completed with rc=%d (%d remaining)",
	cmd->action, cmd->device, rc, g_list_length(cmd->device_next));

	if(rc != 0 && cmd->device_next) {
	stonith_device_t *dev = cmd->device_next->data;

	log_operation(cmd, rc, pid, dev->id, output);

	cmd->device_next = cmd->device_next->next;
	schedule_stonith_command(cmd, dev);
	/* Prevent cmd from being freed */
	cmd = NULL;
	goto done;
	}

	if(rc > 0) {
	rc = -pcmk_err_generic;
	}

	stonith_send_async_reply(cmd, output, rc, pid);

	if(rc != 0) {
	goto done;
	}

	/* Check to see if any operations are scheduled to do the exact
	* same thing that just completed. If so, rather than
	* performing the same fencing operation twice, return the result
	* of this operation for all pending commands it matches. */
	for (gIter = cmd_list; gIter != NULL; gIter = gIterNext) {
	async_command_t *cmd_other = gIter->data;
	gIterNext = gIter->next;

	if(cmd == cmd_other) {
	continue;
	}

	/* A pending scheduled command matches the command that just finished if.
	* 1. The client connections are different.
	* 2. The node victim is the same.
	* 3. The fencing action is the same.
	* 4. The device scheduled to execute the action is the same.
	*/
	if(safe_str_eq(cmd->client, cmd_other->client) \|\|
	safe_str_neq(cmd->victim, cmd_other->victim) \|\|
	safe_str_neq(cmd->action, cmd_other->action) \|\|
	safe_str_neq(cmd->device, cmd_other->device)) {

	continue;
	}

	crm_notice("Merging stonith action %s for node %s originating from client %s with identical stonith request from client %s",
	cmd_other->action,
	cmd_other->victim,
	cmd_other->client_name,
	cmd->client_name);

	cmd_list = g_list_remove_link(cmd_list, gIter);

	stonith_send_async_reply(cmd_other, output, rc, pid);
	cancel_stonith_command(cmd_other);

	free_async_command(cmd_other);
	g_list_free_1(gIter);
	}

	done:
	free_async_command(cmd);
	}

	static gint sort_device_priority(gconstpointer a, gconstpointer b)
	{
	const stonith_device_t *dev_a = a;
	const stonith_device_t *dev_b = a;
	if(dev_a->priority > dev_b->priority) {
	return -1;
	} else if(dev_a->priority < dev_b->priority) {
	return 1;
	}
	return 0;
	}

	static int stonith_fence(xmlNode *msg)
	{
	int options = 0;
	const char *device_id = NULL;
	stonith_device_t *device = NULL;
	async_command_t *cmd = create_async_command(msg);
	xmlNode *dev = get_xpath_object("//@"F_STONITH_TARGET, msg, LOG_ERR);

	if(cmd == NULL) {
	return -EPROTO;
	}

	device_id = crm_element_value(dev, F_STONITH_DEVICE);
	if(device_id) {
	device = g_hash_table_lookup(device_list, device_id);
	if(device == NULL) {
	crm_err("Requested device '%s' is not available", device_id);
	}

	} else {
	struct device_search_s search;

	search.capable = NULL;
	search.host = crm_element_value(dev, F_STONITH_TARGET);

	crm_element_value_int(msg, F_STONITH_CALLOPTS, &options);
	if(options & st_opt_cs_nodeid) {
	int nodeid = crm_atoi(search.host, NULL);
	crm_node_t *node = crm_get_peer(nodeid, NULL);
	if(node) {
	search.host = node->uname;
	}
	}

	g_hash_table_foreach(device_list, search_devices, &search);
	crm_info("Found %d matching devices for '%s'", g_list_length(search.capable), search.host);

	if(g_list_length(search.capable) > 0) {
	/* Order based on priority */
	search.capable = g_list_sort(search.capable, sort_device_priority);

	device = search.capable->data;

	if(g_list_length(search.capable) > 1) {
	cmd->device_list = search.capable;
	cmd->device_next = cmd->device_list->next;
	} else {
	g_list_free(search.capable);
	}
	}
	}

	if(device) {
	schedule_stonith_command(cmd, device);
	return -EINPROGRESS;
	}

	free_async_command(cmd);
	return -EHOSTUNREACH;
	}

	xmlNode stonith_construct_reply(xmlNode request, char output, xmlNode data, int rc)
	{
	int lpc = 0;
	xmlNode *reply = NULL;

	const char *name = NULL;
	const char *value = NULL;
	const char *names[] = {
	F_STONITH_OPERATION,
	F_STONITH_CALLID,
	F_STONITH_CLIENTID,
	F_STONITH_CLIENTNAME,
	F_STONITH_REMOTE_OP_ID,
	F_STONITH_CALLOPTS
	};

	crm_trace("Creating a basic reply");
	reply = create_xml_node(NULL, T_STONITH_REPLY);

	crm_xml_add(reply, "st_origin", __FUNCTION__);
	crm_xml_add(reply, F_TYPE, T_STONITH_NG);
	crm_xml_add(reply, "st_output", output);
	crm_xml_add_int(reply, F_STONITH_RC, rc);

	CRM_CHECK(request != NULL, crm_warn("Can't create a sane reply"); return reply);
	for(lpc = 0; lpc < DIMOF(names); lpc++) {
	name = names[lpc];
	value = crm_element_value(request, name);
	crm_xml_add(reply, name, value);
	}

	if(data != NULL) {
	crm_trace("Attaching reply output");
	add_message_xml(reply, F_STONITH_CALLDATA, data);
	}
	return reply;
	}

	static xmlNode *
	stonith_construct_async_reply(async_command_t cmd, const char output, xmlNode *data, int rc)
	{
	xmlNode *reply = NULL;

	crm_trace("Creating a basic reply");
	reply = create_xml_node(NULL, T_STONITH_REPLY);

	crm_xml_add(reply, "st_origin", __FUNCTION__);
	crm_xml_add(reply, F_TYPE, T_STONITH_NG);

	crm_xml_add(reply, F_STONITH_OPERATION, cmd->op);
	crm_xml_add(reply, F_STONITH_DEVICE, cmd->device);
	crm_xml_add(reply, F_STONITH_REMOTE_OP_ID, cmd->remote_op_id);
	crm_xml_add(reply, F_STONITH_CLIENTID, cmd->client);
	crm_xml_add(reply, F_STONITH_CLIENTNAME, cmd->client_name);
	crm_xml_add(reply, F_STONITH_TARGET, cmd->victim);
	crm_xml_add(reply, F_STONITH_ACTION, cmd->op);
	crm_xml_add(reply, F_STONITH_ORIGIN, cmd->origin);
	crm_xml_add_int(reply, F_STONITH_CALLID, cmd->id);
	crm_xml_add_int(reply, F_STONITH_CALLOPTS, cmd->options);


	crm_xml_add_int(reply, F_STONITH_RC, rc);

	crm_xml_add(reply, "st_output", output);

	if(data != NULL) {
	crm_info("Attaching reply output");
	add_message_xml(reply, F_STONITH_CALLDATA, data);
	}
	return reply;
	}

	/*!
	* \internal
	* \brief Determine if we need to use an alternate node to
	* fence the target. If so return that node's uname
	*
	* \retval NULL, no alternate host
	* \retval uname, uname of alternate host to use
	*/
	static const char *
	check_alternate_host(const char *target)
	{
	const char *alternate_host = NULL;

	if(g_hash_table_lookup(topology, target) && safe_str_eq(target, stonith_our_uname)) {
	GHashTableIter gIter;
	crm_node_t *entry = NULL;
	int membership = crm_proc_plugin \| crm_proc_heartbeat \| crm_proc_cpg;

	g_hash_table_iter_init(&gIter, crm_peer_cache);
	while (g_hash_table_iter_next(&gIter, NULL, (void **)&entry)) {
	crm_trace("Checking for %s.%d != %s",
	entry->uname, entry->id, target);
	if(entry->uname
	&& (entry->processes & membership)
	&& safe_str_neq(entry->uname, target)) {
	alternate_host = entry->uname;
	break;
	}
	}
	if(alternate_host == NULL) {
	crm_err("No alternate host available to handle complex self fencing request");
	g_hash_table_iter_init(&gIter, crm_peer_cache);
	while (g_hash_table_iter_next(&gIter, NULL, (void **)&entry)) {
	crm_notice("Peer[%d] %s", entry->id, entry->uname);
	}
	}
	}

	return alternate_host;
	}

	static int
	handle_request(stonith_client_t client, uint32_t id, uint32_t flags, xmlNode request, const char *remote_peer)
	{
	int call_options = 0;
	int rc = -EOPNOTSUPP;

	gboolean always_reply = FALSE;

	xmlNode *reply = NULL;
	xmlNode *data = NULL;

	char *output = NULL;
	const char *op = crm_element_value(request, F_STONITH_OPERATION);
	const char *client_id = crm_element_value(request, F_STONITH_CLIENTID);

	crm_element_value_int(request, F_STONITH_CALLOPTS, &call_options);

	if(is_set(call_options, st_opt_sync_call)) {
	CRM_ASSERT(client == NULL \|\| client->request_id == id);
	}

	if(crm_str_eq(op, CRM_OP_REGISTER, TRUE)) {
	xmlNode *reply = create_xml_node(NULL, "reply");

	CRM_ASSERT(client);
	crm_xml_add(reply, F_STONITH_OPERATION, CRM_OP_REGISTER);
	crm_xml_add(reply, F_STONITH_CLIENTID, client->id);
	crm_ipcs_send(client->channel, id, reply, FALSE);
	client->request_id = 0;
	free_xml(reply);
	return 0;

	} else if(crm_str_eq(op, STONITH_OP_EXEC, TRUE)) {
	rc = stonith_device_action(request, &output);

	} else if (crm_str_eq(op, STONITH_OP_TIMEOUT_UPDATE, TRUE)) {
	const char *call_id = crm_element_value(request, F_STONITH_CALLID);
	const char *client_id = crm_element_value(request, F_STONITH_CLIENTID);
	int op_timeout = 0;

	crm_element_value_int(request, F_STONITH_TIMEOUT, &op_timeout);
	do_stonith_async_timeout_update(client_id, call_id, op_timeout);
	return 0;

	} else if(crm_str_eq(op, STONITH_OP_QUERY, TRUE)) {
	if (remote_peer) {
	create_remote_stonith_op(client_id, request, TRUE); /* Record it for the future notification */
	}
	rc = stonith_query(request, &data);
	always_reply = TRUE;
	if(!data) {
	return 0;
	}

	} else if(crm_str_eq(op, T_STONITH_NOTIFY, TRUE)) {
	const char *flag_name = NULL;

	CRM_ASSERT(client);
	flag_name = crm_element_value(request, F_STONITH_NOTIFY_ACTIVATE);
	if(flag_name) {
	crm_debug("Setting %s callbacks for %s (%s): ON",
	flag_name, client->name, client->id);
	client->flags \|= get_stonith_flag(flag_name);
	}

	flag_name = crm_element_value(request, F_STONITH_NOTIFY_DEACTIVATE);
	if(flag_name) {
	crm_debug("Setting %s callbacks for %s (%s): off",
	flag_name, client->name, client->id);
	client->flags \|= get_stonith_flag(flag_name);
	}

	if(flags & crm_ipc_client_response) {
	crm_ipcs_send_ack(client->channel, id, "ack", __FUNCTION__, __LINE__);
	client->request_id = 0;
	}
	return 0;

	} else if(crm_str_eq(op, STONITH_OP_RELAY, TRUE)) {
	xmlNode *dev = get_xpath_object("//@"F_STONITH_TARGET, request, LOG_TRACE);
	crm_notice("Peer %s has received a forwarded fencing request from %s to fence (%s) peer %s",
	stonith_our_uname,
	client ? client->name : remote_peer,
	crm_element_value(dev, F_STONITH_ACTION),
	crm_element_value(dev, F_STONITH_TARGET));

	if(initiate_remote_stonith_op(NULL, request, FALSE) != NULL) {
	rc = -EINPROGRESS;
	}

	} else if(crm_str_eq(op, STONITH_OP_FENCE, TRUE)) {

	if(remote_peer \|\| stand_alone) {
	rc = stonith_fence(request);

	} else if(call_options & st_opt_manual_ack) {
	remote_fencing_op_t *rop = initiate_remote_stonith_op(client, request, TRUE);
	rc = stonith_manual_ack(request, rop);

	} else {
	const char *alternate_host = NULL;
	xmlNode *dev = get_xpath_object("//@"F_STONITH_TARGET, request, LOG_TRACE);
	const char *target = crm_element_value(dev, F_STONITH_TARGET);
	const char *action = crm_element_value(dev, F_STONITH_ACTION);
	const char *device = crm_element_value(dev, F_STONITH_DEVICE);

	if(client) {
	int tolerance = 0;

	crm_notice("Client %s.%.8s wants to fence (%s) '%s' with device '%s'",
	client->name, client->id, action, target, device?device:"(any)");

	crm_element_value_int(dev, F_STONITH_TOLERANCE, &tolerance);

	if(stonith_check_fence_tolerance(tolerance, target, action)) {
	rc = 0;
	goto done;
	}

	} else {
	crm_notice("Peer %s wants to fence (%s) '%s' with device '%s'",
	remote_peer, action, target, device?device:"(any)");
	}

	alternate_host = check_alternate_host(target);

	if(alternate_host) {
	crm_notice("Forwarding complex self fencing request to peer %s", alternate_host);
	crm_xml_add(request, F_STONITH_OPERATION, STONITH_OP_RELAY);
	crm_xml_add(request, F_STONITH_CLIENTID, client->id);
	send_cluster_message(crm_get_peer(0, alternate_host), crm_msg_stonith_ng, request, FALSE);
	rc = -EINPROGRESS;

	} else if(initiate_remote_stonith_op(client, request, FALSE) != NULL) {
	rc = -EINPROGRESS;
	}
	}

	} else if (crm_str_eq(op, STONITH_OP_FENCE_HISTORY, TRUE)) {
	rc = stonith_fence_history(request, &data);
	always_reply = TRUE;

	} else if(crm_str_eq(op, STONITH_OP_DEVICE_ADD, TRUE)) {
	const char *id = NULL;
	xmlNode *notify_data = create_xml_node(NULL, op);
	rc = stonith_device_register(request, &id);

	crm_xml_add(notify_data, F_STONITH_DEVICE, id);
	crm_xml_add_int(notify_data, F_STONITH_ACTIVE, g_hash_table_size(device_list));

	do_stonith_notify(call_options, op, rc, notify_data);
	free_xml(notify_data);

	} else if(crm_str_eq(op, STONITH_OP_DEVICE_DEL, TRUE)) {
	xmlNode *dev = get_xpath_object("//"F_STONITH_DEVICE, request, LOG_ERR);
	const char *id = crm_element_value(dev, XML_ATTR_ID);
	xmlNode *notify_data = create_xml_node(NULL, op);

	rc = stonith_device_remove(id);

	crm_xml_add(notify_data, F_STONITH_DEVICE, id);
	crm_xml_add_int(notify_data, F_STONITH_ACTIVE, g_hash_table_size(device_list));

	do_stonith_notify(call_options, op, rc, notify_data);
	free_xml(notify_data);

	} else if(crm_str_eq(op, STONITH_OP_LEVEL_ADD, TRUE)) {
	char *id = NULL;
	xmlNode *notify_data = create_xml_node(NULL, op);
	rc = stonith_level_register(request, &id);

	crm_xml_add(notify_data, F_STONITH_DEVICE, id);
	crm_xml_add_int(notify_data, F_STONITH_ACTIVE, g_hash_table_size(topology));

	do_stonith_notify(call_options, op, rc, notify_data);
	free_xml(notify_data);

	} else if(crm_str_eq(op, STONITH_OP_LEVEL_DEL, TRUE)) {
	char *id = NULL;
	xmlNode *notify_data = create_xml_node(NULL, op);
	rc = stonith_level_remove(request, &id);

	crm_xml_add(notify_data, F_STONITH_DEVICE, id);
	crm_xml_add_int(notify_data, F_STONITH_ACTIVE, g_hash_table_size(topology));

	do_stonith_notify(call_options, op, rc, notify_data);
	free_xml(notify_data);

	} else if(crm_str_eq(op, STONITH_OP_CONFIRM, TRUE)) {
	async_command_t *cmd = create_async_command(request);
	xmlNode *reply = stonith_construct_async_reply(cmd, NULL, NULL, 0);

	crm_xml_add(reply, F_STONITH_OPERATION, T_STONITH_NOTIFY);
	crm_notice("Broadcasting manual fencing confirmation for node %s", cmd->victim);
	send_cluster_message(NULL, crm_msg_stonith_ng, reply, FALSE);

	free_async_command(cmd);
	free_xml(reply);

	} else {
	crm_err("Unknown %s from %s", op, client ? client->name : remote_peer);
	crm_log_xml_warn(request, "UnknownOp");
	}

	done:
	if (rc == -EINPROGRESS) {
	/* Nothing (yet) */

	} else if(remote_peer) {
	reply = stonith_construct_reply(request, output, data, rc);
	send_cluster_message(crm_get_peer(0, remote_peer), crm_msg_stonith_ng, reply, FALSE);
	free_xml(reply);

	} else if(rc <= pcmk_ok \|\| always_reply) {
	reply = stonith_construct_reply(request, output, data, rc);
	do_local_reply(reply, client_id, call_options & st_opt_sync_call, remote_peer!=NULL);
	free_xml(reply);
	}

	free(output);
	free_xml(data);

	return rc;
	}

	static void
	handle_reply(stonith_client_t client, xmlNode request, const char *remote_peer)
	{
	const char *op = crm_element_value(request, F_STONITH_OPERATION);

	if(crm_str_eq(op, STONITH_OP_QUERY, TRUE)) {
	process_remote_stonith_query(request);
	} else if(crm_str_eq(op, T_STONITH_NOTIFY, TRUE)) {
	process_remote_stonith_exec(request);
	} else if(crm_str_eq(op, STONITH_OP_FENCE, TRUE)) {
	/* Reply to a complex fencing op */
	process_remote_stonith_exec(request);
	} else {
	crm_err("Unknown %s reply from %s", op, client ? client->name : remote_peer);
	crm_log_xml_warn(request, "UnknownOp");
	}
	}

	void
	stonith_command(stonith_client_t client, uint32_t id, uint32_t flags, xmlNode request, const char *remote_peer)
	{
	int call_options = 0;
	int rc = 0;
	gboolean is_reply = FALSE;
	const char *op = crm_element_value(request, F_STONITH_OPERATION);

	if(get_xpath_object("//"T_STONITH_REPLY, request, LOG_DEBUG_3)) {
	is_reply = TRUE;
	}

	crm_element_value_int(request, F_STONITH_CALLOPTS, &call_options);
	crm_debug("Processing %s%s from %s (%16x)", op, is_reply?" reply":"",
	client?client->name:remote_peer, call_options);

	if(is_set(call_options, st_opt_sync_call)) {
	CRM_ASSERT(client == NULL \|\| client->request_id == id);
	}

	if (is_reply) {
	handle_reply(client, request, remote_peer);
	} else {
	rc = handle_request(client, id, flags, request, remote_peer);
	}

	do_crm_log_unlikely(rc>0?LOG_DEBUG:LOG_INFO,"Processed %s%s from %s: %s (%d)", op, is_reply?" reply":"",
	client?client->name:remote_peer, rc>0?"":pcmk_strerror(rc), rc);

	}
	diff --git a/fencing/main.c b/fencing/main.c
	index a2c30f6b01..b4537953ab 100644
	--- a/fencing/main.c
	+++ b/fencing/main.c
	@@ -1,940 +1,1068 @@
	/*
	* Copyright (C) 2009 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 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	*/

	#include <crm_internal.h>

	#include <sys/param.h>
	#include <stdio.h>
	#include <sys/types.h>
	#include <sys/stat.h>
	#include <unistd.h>
	#include <sys/utsname.h>

	#include <stdlib.h>
	#include <errno.h>
	#include <fcntl.h>

	#include <crm/crm.h>
	#include <crm/msg_xml.h>
	#include <crm/common/ipc.h>
	#include <crm/cluster/internal.h>

	#include <crm/stonith-ng.h>
	#include <crm/fencing/internal.h>
	#include <crm/common/xml.h>

	#include <crm/common/mainloop.h>

	#include <crm/cib/internal.h>

	#include <internal.h>

	#include <standalone_config.h>

	char *stonith_our_uname = NULL;

	GMainLoop *mainloop = NULL;
	GHashTable *client_list = NULL;

	gboolean stand_alone = FALSE;
	gboolean no_cib_connect = FALSE;
	gboolean stonith_shutdown_flag = FALSE;

	qb_ipcs_service_t *ipcs = NULL;

	static void stonith_shutdown(int nsig);
	static void stonith_cleanup(void);

	static int32_t
	st_ipc_accept(qb_ipcs_connection_t *c, uid_t uid, gid_t gid)
	{
	crm_trace("Connecting %p for uid=%d gid=%d", c, uid, gid);
	if(stonith_shutdown_flag) {
	crm_info("Ignoring new client [%d] during shutdown", crm_ipcs_client_pid(c));
	return -EPERM;
	}
	return 0;
	}

	static void
	st_ipc_created(qb_ipcs_connection_t *c)
	{
	stonith_client_t *new_client = NULL;

	#if 0
	struct qb_ipcs_stats srv_stats;

	qb_ipcs_stats_get(s1, &srv_stats, QB_FALSE);
	qb_log(LOG_INFO, "Connection created (active:%d, closed:%d)",
	srv_stats.active_connections,
	srv_stats.closed_connections);
	#endif

	new_client = calloc(1, sizeof(stonith_client_t));
	new_client->channel = c;
	new_client->pid = crm_ipcs_client_pid(c);
	new_client->channel_name = strdup("ipc");

	CRM_CHECK(new_client->id == NULL, free(new_client->id));
	new_client->id = crm_generate_uuid();
	crm_trace("Created channel %p for client %s", c, new_client->id);

	/* make sure we can find ourselves later for sync calls
	* redirected to the master instance
	*/
	g_hash_table_insert(client_list, new_client->id, new_client);
	qb_ipcs_context_set(c, new_client);
	CRM_ASSERT(qb_ipcs_context_get(c) != NULL);
	}

	/* Exit code means? */
	static int32_t
	st_ipc_dispatch(qb_ipcs_connection_t c, void data, size_t size)
	{
	uint32_t id = 0;
	uint32_t flags = 0;
	xmlNode *request = NULL;
	stonith_client_t client = (stonith_client_t)qb_ipcs_context_get(c);

	request = crm_ipcs_recv(c, data, size, &id, &flags);
	if (request == NULL) {
	crm_ipcs_send_ack(c, id, "nack", __FUNCTION__, __LINE__);
	return 0;
	}

	CRM_CHECK(client != NULL, goto cleanup);

	if(client->name == NULL) {
	const char *value = crm_element_value(request, F_STONITH_CLIENTNAME);
	if(value == NULL) {
	value = "unknown";
	}
	client->name = g_strdup_printf("%s.%u", value, client->pid);
	}

	CRM_CHECK(client->id != NULL, crm_err("Invalid client: %p/%s", client, client->name); goto cleanup);

	if(flags & crm_ipc_client_response) {
	CRM_LOG_ASSERT(client->request_id == 0); /* This means the client has two synchronous events in-flight */
	client->request_id = id; /* Reply only to the last one */
	}

	crm_xml_add(request, F_STONITH_CLIENTID, client->id);
	crm_xml_add(request, F_STONITH_CLIENTNAME, client->name);
	crm_xml_add(request, F_STONITH_CLIENTNODE, stonith_our_uname);

	crm_log_xml_trace(request, "Client[inbound]");
	stonith_command(client, id, flags, request, NULL);

	cleanup:
	if(client == NULL \|\| client->id == NULL) {
	crm_log_xml_notice(request, "Invalid client");
	}

	free_xml(request);
	return 0;
	}

	/* Error code means? */
	static int32_t
	st_ipc_closed(qb_ipcs_connection_t *c)
	{
	stonith_client_t client = (stonith_client_t)qb_ipcs_context_get(c);

	#if 0
	qb_ipcs_stats_get(s1, &srv_stats, QB_FALSE);
	qb_ipcs_connection_stats_get(c, &stats, QB_FALSE);
	qb_log(LOG_INFO, "Connection to pid:%d destroyed (active:%d, closed:%d)",
	stats.client_pid,
	srv_stats.active_connections,
	srv_stats.closed_connections);

	qb_log(LOG_DEBUG, " Requests %"PRIu64"", stats.requests);
	qb_log(LOG_DEBUG, " Responses %"PRIu64"", stats.responses);
	qb_log(LOG_DEBUG, " Events %"PRIu64"", stats.events);
	qb_log(LOG_DEBUG, " Send retries %"PRIu64"", stats.send_retries);
	qb_log(LOG_DEBUG, " Recv retries %"PRIu64"", stats.recv_retries);
	qb_log(LOG_DEBUG, " FC state %d", stats.flow_control_state);
	qb_log(LOG_DEBUG, " FC count %"PRIu64"", stats.flow_control_count);
	#endif

	if (client == NULL) {
	crm_err("No client");
	return 0;
	}

	crm_trace("Cleaning up after client disconnect: %p/%s/%s", client, crm_str(client->name), client->id);
	if(client->id != NULL) {
	g_hash_table_remove(client_list, client->id);
	}

	/* 0 means: yes, go ahead and destroy the connection */
	return 0;
	}

	static void
	st_ipc_destroy(qb_ipcs_connection_t *c)
	{
	stonith_client_t client = (stonith_client_t)qb_ipcs_context_get(c);

	/* Make sure the connection is fully cleaned up */
	st_ipc_closed(c);

	if(client == NULL) {
	crm_trace("Nothing to destroy");
	return;
	}

	crm_trace("Destroying %s (%p)", client->name, client);

	free(client->name);
	free(client->id);
	free(client);
	crm_trace("Done");

	return;
	}

	static void
	stonith_peer_callback(xmlNode * msg, void* private_data)
	{
	const char *remote_peer = crm_element_value(msg, F_ORIG);
	const char *op = crm_element_value(msg, F_STONITH_OPERATION);

	if(crm_str_eq(op, "poke", TRUE)) {
	return;
	}

	crm_log_xml_trace(msg, "Peer[inbound]");
	stonith_command(NULL, 0, 0, msg, remote_peer);
	}

	#if SUPPORT_HEARTBEAT
	static void
	stonith_peer_hb_callback(HA_Message * msg, void* private_data)
	{
	xmlNode *xml = convert_ha_message(NULL, msg, __FUNCTION__);
	stonith_peer_callback(xml, private_data);
	free_xml(xml);
	}
	static void
	stonith_peer_hb_destroy(gpointer user_data)
	{
	if(stonith_shutdown_flag) {
	crm_info("Heartbeat disconnection complete... exiting");
	} else {
	crm_err("Heartbeat connection lost! Exiting.");
	}
	stonith_shutdown(0);
	}
	#endif


	#if SUPPORT_COROSYNC
	static gboolean stonith_peer_ais_callback(int kind, const char from, const char data)
	{
	xmlNode *xml = NULL;

	if(kind == crm_class_cluster) {
	xml = string2xml(data);
	if(xml == NULL) {
	goto bail;
	}
	crm_xml_add(xml, F_ORIG, from);
	/* crm_xml_add_int(xml, F_SEQ, wrapper->id); */
	stonith_peer_callback(xml, NULL);
	}

	free_xml(xml);
	return TRUE;

	bail:
	crm_err("Invalid XML: '%.120s'", data);
	return TRUE;

	}

	static void
	stonith_peer_ais_destroy(gpointer user_data)
	{
	crm_err("AIS connection terminated");
	stonith_shutdown(0);
	}
	#endif

	void do_local_reply(xmlNode notify_src, const char client_id,
	gboolean sync_reply, gboolean from_peer)
	{
	/* send callback to originating child */
	stonith_client_t *client_obj = NULL;
	int local_rc = pcmk_ok;

	crm_trace("Sending response");

	if(client_id != NULL) {
	client_obj = g_hash_table_lookup(client_list, client_id);
	} else {
	crm_trace("No client to sent the response to."
	" F_STONITH_CLIENTID not set.");
	}

	crm_trace("Sending callback to request originator");
	if(client_obj == NULL) {
	local_rc = -1;

	} else {
	int rid = 0;

	if(sync_reply) {
	CRM_LOG_ASSERT(client_obj->request_id);

	rid = client_obj->request_id;
	client_obj->request_id = 0;

	crm_trace("Sending response %d to %s %s",
	rid, client_obj->name, from_peer?"(originator of delegated request)":"");

	} else {
	crm_trace("Sending an event to %s %s",
	client_obj->name, from_peer?"(originator of delegated request)":"");
	}

	local_rc = crm_ipcs_send(client_obj->channel, rid, notify_src, !sync_reply);
	}

	if(local_rc < pcmk_ok && client_obj != NULL) {
	crm_warn("%sSync reply to %s failed: %s",
	sync_reply?"":"A-",
	client_obj?client_obj->name:"<unknown>", pcmk_strerror(local_rc));
	}
	}

	long long get_stonith_flag(const char *name)
	{
	if(safe_str_eq(name, T_STONITH_NOTIFY_FENCE)) {
	return 0x01;

	} else if(safe_str_eq(name, STONITH_OP_DEVICE_ADD)) {
	return 0x04;

	} else if(safe_str_eq(name, STONITH_OP_DEVICE_DEL)) {
	return 0x10;
	}
	return 0;
	}

	static void
	stonith_notify_client(gpointer key, gpointer value, gpointer user_data)
	{

	xmlNode *update_msg = user_data;
	stonith_client_t *client = value;
	const char *type = NULL;

	CRM_CHECK(client != NULL, return);
	CRM_CHECK(update_msg != NULL, return);

	type = crm_element_value(update_msg, F_SUBTYPE);
	CRM_CHECK(type != NULL, crm_log_xml_err(update_msg, "notify"); return);

	if(client->channel == NULL) {
	crm_trace("Skipping client with NULL channel");
	return;

	} else if(client->name == NULL) {
	crm_trace("Skipping unnammed client / comamnd channel");
	return;
	}

	if(client->flags & get_stonith_flag(type)) {
	int rc = crm_ipcs_send(client->channel, 0, update_msg, crm_ipc_server_event\|crm_ipc_server_error);
	if(rc <= 0) {
	crm_warn("%s notification of client %s.%.6s failed: %s (%d)",
	type, client->name, client->id, pcmk_strerror(rc), rc);
	} else {
	crm_trace("Sent %s notification to client %s.%.6s", type, client->name, client->id);
	}
	}
	}

	void
	do_stonith_async_timeout_update(const char client_id, const char call_id, int timeout)
	{
	stonith_client_t *client = NULL;
	xmlNode *notify_data = NULL;

	if (!timeout \|\| !call_id \|\| !client_id) {
	return;
	}

	client = g_hash_table_lookup(client_list, client_id);
	if (!client) {
	return;
	}

	notify_data = create_xml_node(NULL, T_STONITH_TIMEOUT_VALUE);
	crm_xml_add(notify_data, F_TYPE, T_STONITH_TIMEOUT_VALUE);
	crm_xml_add(notify_data, F_STONITH_CALLID, call_id);
	crm_xml_add_int(notify_data, F_STONITH_TIMEOUT, timeout);

	crm_trace("timeout update is %d for client %s and call id %s", timeout, client_id, call_id);

	if (client->channel) {
	crm_ipcs_send(client->channel, 0, notify_data, crm_ipc_server_event);
	}

	free_xml(notify_data);
	}

	void
	do_stonith_notify(int options, const char type, int result, xmlNode data)
	{
	/* TODO: Standardize the contents of data */
	xmlNode *update_msg = create_xml_node(NULL, "notify");

	CRM_CHECK(type != NULL, ;);

	crm_xml_add(update_msg, F_TYPE, T_STONITH_NOTIFY);
	crm_xml_add(update_msg, F_SUBTYPE, type);
	crm_xml_add(update_msg, F_STONITH_OPERATION, type);
	crm_xml_add_int(update_msg, F_STONITH_RC, result);

	if(data != NULL) {
	add_message_xml(update_msg, F_STONITH_CALLDATA, data);
	}

	crm_trace("Notifying clients");
	g_hash_table_foreach(client_list, stonith_notify_client, update_msg);
	free_xml(update_msg);
	crm_trace("Notify complete");
	}

	static stonith_key_value_t parse_device_list(const char devices)
	{
	int lpc = 0;
	int max = 0;
	int last = 0;
	stonith_key_value_t *output = NULL;

	if(devices == NULL) {
	return output;
	}

	max = strlen(devices);
	for(lpc = 0; lpc <= max; lpc++) {
	if(devices[lpc] == ',' \|\| devices[lpc] == 0) {
	char *line = NULL;

	line = calloc(1, 2 + lpc - last);
	snprintf(line, 1 + lpc - last, "%s", devices+last);
	output = stonith_key_value_add(output, NULL, line);
	free(line);

	last = lpc + 1;
	}
	}

	return output;
	}

	static void topology_remove_helper(const char *node, int level)
	{
	int rc;
	char *desc = NULL;
	xmlNode *data = create_xml_node(NULL, F_STONITH_LEVEL);
	xmlNode *notify_data = create_xml_node(NULL, STONITH_OP_LEVEL_DEL);

	crm_xml_add(data, "origin", __FUNCTION__);
	crm_xml_add_int(data, XML_ATTR_ID, level);
	crm_xml_add(data, F_STONITH_TARGET, node);

	rc = stonith_level_remove(data, &desc);

	crm_xml_add(notify_data, F_STONITH_DEVICE, desc);
	crm_xml_add_int(notify_data, F_STONITH_ACTIVE, g_hash_table_size(topology));

	do_stonith_notify(0, STONITH_OP_LEVEL_DEL, rc, notify_data);

	free_xml(notify_data);
	free_xml(data);
	free(desc);
	}

	static void topology_register_helper(const char node, int level, stonith_key_value_t device_list)
	{
	int rc;
	char *desc = NULL;
	xmlNode *notify_data = create_xml_node(NULL, STONITH_OP_LEVEL_ADD);
	xmlNode *data = create_level_registration_xml(node, level, device_list);

	rc = stonith_level_register(data, &desc);

	crm_xml_add(notify_data, F_STONITH_DEVICE, desc);
	crm_xml_add_int(notify_data, F_STONITH_ACTIVE, g_hash_table_size(topology));

	do_stonith_notify(0, STONITH_OP_LEVEL_ADD, rc, notify_data);

	free_xml(notify_data);
	free_xml(data);
	free(desc);
	}

	+static void remove_cib_device(xmlXPathObjectPtr xpathObj)
	+{
	+ int max = 0, lpc = 0;
	+
	+ if(xpathObj && xpathObj->nodesetval) {
	+ max = xpathObj->nodesetval->nodeNr;
	+ }
	+
	+ for(lpc = 0; lpc < max; lpc++) {
	+ const char *rsc_id = NULL;
	+ const char *standard = NULL;
	+ xmlNode *match = getXpathResult(xpathObj, lpc);
	+ CRM_CHECK(match != NULL, continue);
	+
	+ standard = crm_element_value(match, XML_AGENT_ATTR_CLASS);
	+
	+ if (safe_str_neq(standard, "stonith")) {
	+ continue;
	+ }
	+
	+ rsc_id = crm_element_value(match, XML_ATTR_ID);
	+
	+ stonith_device_remove(rsc_id);
	+ }
	+}
	+
	static void remove_fencing_topology(xmlXPathObjectPtr xpathObj)
	{
	int max = 0, lpc = 0;

	if(xpathObj && xpathObj->nodesetval) {
	max = xpathObj->nodesetval->nodeNr;
	}

	for(lpc = 0; lpc < max; lpc++) {
	xmlNode *match = getXpathResult(xpathObj, lpc);
	CRM_CHECK(match != NULL, continue);

	if(crm_element_value(match, XML_DIFF_MARKER)) {
	/* Deletion */
	int index = 0;
	const char *target = crm_element_value(match, XML_ATTR_STONITH_TARGET);

	crm_element_value_int(match, XML_ATTR_STONITH_INDEX, &index);
	if(target == NULL) {
	crm_err("Invalid fencing target in element %s", ID(match));

	} else if(index <= 0) {
	crm_err("Invalid level for %s in element %s", target, ID(match));

	} else {
	topology_remove_helper(target, index);
	}
	/* } else { Deal with modifications during the 'addition' stage */
	}
	}
	}

	+static void register_cib_device(xmlXPathObjectPtr xpathObj, gboolean force)
	+{
	+ int max = 0, lpc = 0;
	+
	+ if(xpathObj && xpathObj->nodesetval) {
	+ max = xpathObj->nodesetval->nodeNr;
	+ }
	+
	+ for(lpc = 0; lpc < max; lpc++) {
	+ const char *rsc_id = NULL;
	+ const char *agent = NULL;
	+ const char *standard = NULL;
	+ stonith_key_value_t *params = NULL;
	+ xmlNode *match = getXpathResult(xpathObj, lpc);
	+ xmlNode *attributes;
	+ xmlNode *attr;
	+ xmlNode *data;
	+
	+ CRM_CHECK(match != NULL, continue);
	+
	+ standard = crm_element_value(match, XML_AGENT_ATTR_CLASS);
	+ agent = crm_element_value(match, XML_EXPR_ATTR_TYPE);
	+
	+ if (safe_str_neq(standard, "stonith") \|\| !agent) {
	+ continue;
	+ }
	+
	+ rsc_id = crm_element_value(match, XML_ATTR_ID);
	+ attributes = find_xml_node(match, XML_TAG_ATTR_SETS, FALSE);
	+
	+ for (attr = __xml_first_child(attributes); attr; attr = __xml_next(attr)) {
	+ const char *name = crm_element_value(attr, XML_NVPAIR_ATTR_NAME);
	+ const char *value = crm_element_value(attr, XML_NVPAIR_ATTR_VALUE);
	+
	+ if (!name \|\| !value) {
	+ continue;
	+ }
	+ params = stonith_key_value_add(params, name, value);
	+ }
	+
	+ data = create_device_registration_xml(rsc_id,
	+ __FUNCTION__,
	+ agent,
	+ params);
	+
	+ stonith_device_register(data, NULL);
	+ }
	+}

	static void register_fencing_topology(xmlXPathObjectPtr xpathObj, gboolean force)
	{
	int max = 0, lpc = 0;

	if(xpathObj && xpathObj->nodesetval) {
	max = xpathObj->nodesetval->nodeNr;
	}

	for(lpc = 0; lpc < max; lpc++) {
	int index = 0;
	const char *target;
	const char *dev_list;
	stonith_key_value_t *devices = NULL;
	xmlNode *match = getXpathResult(xpathObj, lpc);
	CRM_CHECK(match != NULL, continue);

	crm_element_value_int(match, XML_ATTR_STONITH_INDEX, &index);
	target = crm_element_value(match, XML_ATTR_STONITH_TARGET);
	dev_list = crm_element_value(match, XML_ATTR_STONITH_DEVICES);
	devices = parse_device_list(dev_list);

	crm_trace("Updating %s[%d] (%s) to %s", target, index, ID(match), dev_list);

	if(target == NULL) {
	crm_err("Invalid fencing target in element %s", ID(match));

	} else if(index <= 0) {
	crm_err("Invalid level for %s in element %s", target, ID(match));

	} else if(force == FALSE && crm_element_value(match, XML_DIFF_MARKER)) {
	/* Addition */
	topology_register_helper(target, index, devices);

	} else { /* Modification */
	/* Remove then re-add */
	topology_remove_helper(target, index);
	topology_register_helper(target, index, devices);
	}

	stonith_key_value_freeall(devices, 1, 1);
	}
	}

	/* Fencing
	<diff crm_feature_set="3.0.6">
	<diff-removed>
	<fencing-topology>
	<fencing-level id="f-p1.1" target="pcmk-1" index="1" devices="poison-pill" __crm_diff_marker__="removed:top"/>
	<fencing-level id="f-p1.2" target="pcmk-1" index="2" devices="power" __crm_diff_marker__="removed:top"/>
	<fencing-level devices="disk,network" id="f-p2.1"/>
	</fencing-topology>
	</diff-removed>
	<diff-added>
	<fencing-topology>
	<fencing-level id="f-p.1" target="pcmk-1" index="1" devices="poison-pill" __crm_diff_marker__="added:top"/>
	<fencing-level id="f-p2.1" target="pcmk-2" index="1" devices="disk,something"/>
	<fencing-level id="f-p3.1" target="pcmk-2" index="2" devices="power" __crm_diff_marker__="added:top"/>
	</fencing-topology>
	</diff-added>
	</diff>
	*/

	static void
	-fencing_topology_callback(xmlNode * msg, int call_id, int rc, xmlNode * output, void *user_data)
	+fencing_topology_init(xmlNode * msg)
	{
	xmlXPathObjectPtr xpathObj = NULL;
	const char *xpath = "//" XML_TAG_FENCING_LEVEL;

	crm_trace("Pushing in stonith topology");

	/* Grab everything */
	xpathObj = xpath_search(msg, xpath);

	register_fencing_topology(xpathObj, TRUE);

	if(xpathObj) {
	xmlXPathFreeObject(xpathObj);
	}
	}

	+static void
	+cib_stonith_devices_init(xmlNode *msg)
	+{
	+ xmlXPathObjectPtr xpathObj = NULL;
	+ const char *xpath = "//" XML_CIB_TAG_RESOURCE;
	+
	+ crm_trace("Pushing in stonith devices");
	+
	+ /* Grab everything */
	+ xpathObj = xpath_search(msg, xpath);
	+
	+ if(xpathObj) {
	+ register_cib_device(xpathObj, TRUE);
	+ xmlXPathFreeObject(xpathObj);
	+ }
	+}
	+
	+static void
	+update_cib_stonith_devices(const char event, xmlNode msg)
	+{
	+
	+ const char *xpath_add = "//" F_CIB_UPDATE_RESULT "//" XML_TAG_DIFF_ADDED "//" XML_CIB_TAG_RESOURCE;
	+ const char *xpath_del = "//" F_CIB_UPDATE_RESULT "//" XML_TAG_DIFF_REMOVED "//" XML_CIB_TAG_RESOURCE;
	+ xmlXPathObjectPtr xpath_obj = NULL;
	+
	+ /* process deletions */
	+ xpath_obj = xpath_search(msg, xpath_del);
	+ if (xpath_obj) {
	+ remove_cib_device(xpath_obj);
	+ xmlXPathFreeObject(xpath_obj);
	+ }
	+
	+ /* process additions */
	+ xpath_obj = xpath_search(msg, xpath_add);
	+ if (xpath_obj) {
	+ register_cib_device(xpath_obj, FALSE);
	+ xmlXPathFreeObject(xpath_obj);
	+ }
	+}
	+
	static void
	update_fencing_topology(const char event, xmlNode msg)
	{
	const char *xpath;
	xmlXPathObjectPtr xpathObj = NULL;

	/* Process deletions (only) */
	xpath = "//" F_CIB_UPDATE_RESULT "//" XML_TAG_DIFF_REMOVED "//" XML_TAG_FENCING_LEVEL;
	xpathObj = xpath_search(msg, xpath);

	remove_fencing_topology(xpathObj);

	if(xpathObj) {
	xmlXPathFreeObject(xpathObj);
	}

	/* Process additions and changes */
	xpath = "//" F_CIB_UPDATE_RESULT "//" XML_TAG_DIFF_ADDED "//" XML_TAG_FENCING_LEVEL;
	xpathObj = xpath_search(msg, xpath);

	register_fencing_topology(xpathObj, FALSE);

	if(xpathObj) {
	xmlXPathFreeObject(xpathObj);
	}
	}

	+static void
	+update_cib_cache_cb(const char event, xmlNode msg)
	+{
	+ update_fencing_topology(event, msg);
	+ update_cib_stonith_devices(event, msg);
	+}
	+
	+static void
	+init_cib_cache_cb(xmlNode * msg, int call_id, int rc, xmlNode * output, void *user_data)
	+{
	+ fencing_topology_init(msg);
	+ cib_stonith_devices_init(msg);
	+}
	+
	static void
	stonith_shutdown(int nsig)
	{
	stonith_shutdown_flag = TRUE;
	crm_info("Terminating with %d clients", g_hash_table_size(client_list));
	if(mainloop != NULL && g_main_is_running(mainloop)) {
	g_main_quit(mainloop);
	} else {
	stonith_cleanup();
	exit(EX_OK);
	}
	}

	cib_t *cib = NULL;

	static void
	stonith_cleanup(void)
	{
	if(cib) {
	cib->cmds->signoff(cib);
	}

	if(ipcs) {
	qb_ipcs_destroy(ipcs);
	}
	crm_peer_destroy();
	g_hash_table_destroy(client_list);
	free(stonith_our_uname);
	#if HAVE_LIBXML2
	crm_xml_cleanup();
	#endif
	}

	/* INDENT-OFF */
	static struct crm_option long_options[] = {
	{"stand-alone", 0, 0, 's'},
	{"stand-alone-w-cpg", 0, 0, 'c'},
	{"verbose", 0, 0, 'V'},
	{"version", 0, 0, '$'},
	{"help", 0, 0, '?'},

	{0, 0, 0, 0}
	};
	/* INDENT-ON */

	static void
	setup_cib(void)
	{
	static void *cib_library = NULL;
	static cib_t (cib_new_fn)(void) = NULL;
	static const char (cib_err_fn)(int) = NULL;

	int rc, retries = 0;

	if(cib_library == NULL) {
	cib_library = dlopen(CIB_LIBRARY, RTLD_LAZY);
	}
	if(cib_library && cib_new_fn == NULL) {
	cib_new_fn = dlsym(cib_library, "cib_new");
	}
	if(cib_library && cib_err_fn == NULL) {
	cib_err_fn = dlsym(cib_library, "pcmk_strerror");
	}
	if(cib_new_fn != NULL) {
	cib = (*cib_new_fn)();
	}

	if(cib == NULL) {
	crm_err("No connection to the CIB");
	return;
	}

	do {
	sleep(retries);
	rc = cib->cmds->signon(cib, CRM_SYSTEM_CRMD, cib_command);
	} while(rc == -ENOTCONN && ++retries < 5);

	if (rc != pcmk_ok) {
	crm_err("Could not connect to the CIB service: %d %p", rc, cib_err_fn);

	} else if (pcmk_ok != cib->cmds->add_notify_callback(
	- cib, T_CIB_DIFF_NOTIFY, update_fencing_topology)) {
	+ cib, T_CIB_DIFF_NOTIFY, update_cib_cache_cb)) {
	crm_err("Could not set CIB notification callback");

	} else {
	rc = cib->cmds->query(cib, NULL, NULL, cib_scope_local);
	- add_cib_op_callback(cib, rc, FALSE, NULL, fencing_topology_callback);
	+ add_cib_op_callback(cib, rc, FALSE, NULL, init_cib_cache_cb);
	crm_notice("Watching for stonith topology changes");
	}
	}

	struct qb_ipcs_service_handlers ipc_callbacks =
	{
	.connection_accept = st_ipc_accept,
	.connection_created = st_ipc_created,
	.msg_process = st_ipc_dispatch,
	.connection_closed = st_ipc_closed,
	.connection_destroyed = st_ipc_destroy
	};

	static void
	st_peer_update_callback(enum crm_status_type type, crm_node_t * node, const void *data)
	{
	/*
	* This is a hack until we can send to a nodeid and/or we fix node name lookups
	* These messages are ignored in stonith_peer_callback()
	*/
	xmlNode *query = create_xml_node(NULL, "stonith_command");

	crm_xml_add(query, F_XML_TAGNAME, "stonith_command");
	crm_xml_add(query, F_TYPE, T_STONITH_NG);
	crm_xml_add(query, F_STONITH_OPERATION, "poke");

	crm_debug("Broadcasting our uname because of node %u", node->id);
	send_cluster_message(NULL, crm_msg_stonith_ng, query, FALSE);

	free_xml(query);
	}

	int
	main(int argc, char ** argv)
	{
	int flag;
	int rc = 0;
	int lpc = 0;
	int argerr = 0;
	int option_index = 0;
	crm_cluster_t cluster;
	const char *actions[] = { "reboot", "off", "list", "monitor", "status" };

	crm_log_init("stonith-ng", LOG_INFO, TRUE, FALSE, argc, argv, FALSE);
	crm_set_options(NULL, "mode [options]", long_options,
	"Provides a summary of cluster's current state."
	"\n\nOutputs varying levels of detail in a number of different formats.\n");

	while (1) {
	flag = crm_get_option(argc, argv, &option_index);
	if (flag == -1) {
	break;
	}

	switch(flag) {
	case 'V':
	crm_bump_log_level(argc, argv);
	break;
	case 's':
	stand_alone = TRUE;
	break;
	case 'c':
	stand_alone = FALSE;
	no_cib_connect = TRUE;
	break;
	case '$':
	case '?':
	crm_help(flag, EX_OK);
	break;
	default:
	++argerr;
	break;
	}
	}

	if(argc - optind == 1 && safe_str_eq("metadata", argv[optind])) {
	printf("<?xml version=\"1.0\"?><!DOCTYPE resource-agent SYSTEM \"ra-api-1.dtd\">\n");
	printf("<resource-agent name=\"stonithd\">\n");
	printf(" <version>1.0</version>\n");
	printf(" <longdesc lang=\"en\">This is a fake resource that details the instance attributes handled by stonithd.</longdesc>\n");
	printf(" <shortdesc lang=\"en\">Options available for all stonith resources</shortdesc>\n");
	printf(" <parameters>\n");

	printf(" <parameter name=\"stonith-timeout\" unique=\"0\">\n");
	printf(" <shortdesc lang=\"en\">How long to wait for the STONITH action to complete per a stonith device.</shortdesc>\n");
	printf(" <longdesc lang=\"en\">Overrides the stonith-timeout cluster property</longdesc>\n");
	printf(" <content type=\"time\" default=\"60s\"/>\n");
	printf(" </parameter>\n");

	printf(" <parameter name=\"priority\" unique=\"0\">\n");
	printf(" <shortdesc lang=\"en\">The priority of the stonith resource. The lower the number, the higher the priority.</shortdesc>\n");
	printf(" <content type=\"integer\" default=\"0\"/>\n");
	printf(" </parameter>\n");

	printf(" <parameter name=\"%s\" unique=\"0\">\n", STONITH_ATTR_HOSTARG);
	printf(" <shortdesc lang=\"en\">Advanced use only: An alternate parameter to supply instead of 'port'</shortdesc>\n");
	printf(" <longdesc lang=\"en\">Some devices do not support the standard 'port' parameter or may provide additional ones.\n"
	"Use this to specify an alternate, device-specific, parameter that should indicate the machine to be fenced.\n"
	"A value of 'none' can be used to tell the cluster not to supply any additional parameters.\n"
	" </longdesc>\n");
	printf(" <content type=\"string\" default=\"port\"/>\n");
	printf(" </parameter>\n");

	printf(" <parameter name=\"%s\" unique=\"0\">\n", STONITH_ATTR_HOSTMAP);
	printf(" <shortdesc lang=\"en\">A mapping of host names to ports numbers for devices that do not support host names.</shortdesc>\n");
	printf(" <longdesc lang=\"en\">Eg. node1:1;node2:2,3 would tell the cluster to use port 1 for node1 and ports 2 and 3 for node2</longdesc>\n");
	printf(" <content type=\"string\" default=\"\"/>\n");
	printf(" </parameter>\n");

	printf(" <parameter name=\"%s\" unique=\"0\">\n", STONITH_ATTR_HOSTLIST);
	printf(" <shortdesc lang=\"en\">A list of machines controlled by this device (Optional unless %s=static-list).</shortdesc>\n", STONITH_ATTR_HOSTCHECK);
	printf(" <content type=\"string\" default=\"\"/>\n");
	printf(" </parameter>\n");

	printf(" <parameter name=\"%s\" unique=\"0\">\n", STONITH_ATTR_HOSTCHECK);
	printf(" <shortdesc lang=\"en\">How to determin which machines are controlled by the device.</shortdesc>\n");
	printf(" <longdesc lang=\"en\">Allowed values: dynamic-list (query the device), static-list (check the %s attribute), none (assume every device can fence every machine)</longdesc>\n", STONITH_ATTR_HOSTLIST);
	printf(" <content type=\"string\" default=\"dynamic-list\"/>\n");
	printf(" </parameter>\n");

	for(lpc = 0; lpc < DIMOF(actions); lpc++) {
	printf(" <parameter name=\"pcmk_%s_action\" unique=\"0\">\n", actions[lpc]);
	printf(" <shortdesc lang=\"en\">Advanced use only: An alternate command to run instead of '%s'</shortdesc>\n", actions[lpc]);
	printf(" <longdesc lang=\"en\">Some devices do not support the standard commands or may provide additional ones.\n"
	"Use this to specify an alternate, device-specific, command that implements the '%s' action.</longdesc>\n", actions[lpc]);
	printf(" <content type=\"string\" default=\"%s\"/>\n", actions[lpc]);
	printf(" </parameter>\n");
	}

	printf(" </parameters>\n");
	printf("</resource-agent>\n");
	return 0;
	}

	if (optind != argc) {
	++argerr;
	}

	if (argerr) {
	crm_help('?', EX_USAGE);
	}

	mainloop_add_signal(SIGTERM, stonith_shutdown);

	crm_peer_init();
	client_list = g_hash_table_new(crm_str_hash, g_str_equal);

	if(stand_alone == FALSE) {
	#if SUPPORT_HEARTBEAT
	cluster.hb_dispatch = stonith_peer_hb_callback;
	cluster.destroy = stonith_peer_hb_destroy;
	#endif

	if(is_openais_cluster()) {
	#if SUPPORT_COROSYNC
	cluster.destroy = stonith_peer_ais_destroy;
	cluster.cs_dispatch = stonith_peer_ais_callback;
	#endif
	}

	if(crm_cluster_connect(&cluster) == FALSE) {
	crm_crit("Cannot sign in to the cluster... terminating");
	exit(100);
	} else {
	stonith_our_uname = cluster.uname;
	}
	stonith_our_uname = cluster.uname;

	if (no_cib_connect == FALSE) {
	setup_cib();
	}

	} else {
	stonith_our_uname = strdup("localhost");
	}

	crm_set_status_callback(&st_peer_update_callback);

	device_list = g_hash_table_new_full(
	crm_str_hash, g_str_equal, NULL, free_device);

	topology = g_hash_table_new_full(
	crm_str_hash, g_str_equal, NULL, free_topology_entry);

	ipcs = mainloop_add_ipc_server("stonith-ng", QB_IPC_NATIVE, &ipc_callbacks);

	#if SUPPORT_STONITH_CONFIG
	if (((stand_alone == TRUE)) && !(standalone_cfg_read_file(STONITH_NG_CONF_FILE))) {
	standalone_cfg_commit();
	}
	#endif

	if(ipcs != NULL) {
	/* Create the mainloop and run it... */
	mainloop = g_main_new(FALSE);
	crm_info("Starting %s mainloop", crm_system_name);

	g_main_run(mainloop);

	} else {
	crm_err("Couldnt start all communication channels, exiting.");
	}

	stonith_cleanup();

	#if SUPPORT_HEARTBEAT
	if(cluster.hb_conn) {
	cluster.hb_conn->llc_ops->delete(cluster.hb_conn);
	}
	#endif

	crm_info("Done");
	qb_log_fini();

	return rc;
	}

	diff --git a/lrmd/lrmd.c b/lrmd/lrmd.c
	index 2bc1e1f35d..fc52fa4108 100644
	--- a/lrmd/lrmd.c
	+++ b/lrmd/lrmd.c
	@@ -1,1154 +1,1159 @@
	/*
	* Copyright (c) 2012 David Vossel <dvossel@redhat.com>
	*
	* This library is free software; you can redistribute it and/or
	* modify it under the terms of the GNU Lesser 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 library 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
	* Lesser General Public License for more details.
	*
	* You should have received a copy of the GNU Lesser General Public
	* License along with this library; if not, write to the Free Software
	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	*
	*/

	#include <crm_internal.h>

	#include <glib.h>
	#include <unistd.h>

	#include <crm/crm.h>
	#include <crm/services.h>
	#include <crm/common/mainloop.h>
	#include <crm/common/ipc.h>
	#include <crm/msg_xml.h>

	#include <lrmd_private.h>

	#ifdef HAVE_SYS_TIMEB_H
	# include <sys/timeb.h>
	#endif

	GHashTable *rsc_list = NULL;
	GHashTable *client_list = NULL;

	typedef struct lrmd_cmd_s {
	int timeout;
	int interval;
	int start_delay;

	int call_id;
	int exec_rc;
	int lrmd_op_status;

	int call_opts;
	/* Timer ids, must be removed on cmd destruction. */
	int delay_id;
	int stonith_recurring_id;

	int rsc_deleted;

	char *client_id;
	char *origin;
	char *rsc_id;
	char *action;
	char *output;
	char *userdata_str;

	#ifdef HAVE_SYS_TIMEB_H
	/* Timestamp of when op ran */
	struct timeb t_run;
	/* Timestamp of when op was queued */
	struct timeb t_queue;
	/* Timestamp of last rc change */
	struct timeb t_rcchange;
	#endif

	int first_notify_sent;
	int last_notify_rc;
	int last_notify_op_status;

	GHashTable *params;
	} lrmd_cmd_t;

	static void cmd_finalize(lrmd_cmd_t * cmd, lrmd_rsc_t * rsc);
	static gboolean lrmd_rsc_dispatch(gpointer user_data);
	static void cancel_all_recurring(lrmd_rsc_t rsc, const char client_id);
	static lrmd_rsc_t *
	build_rsc_from_xml(xmlNode * msg)
	{
	xmlNode *rsc_xml = get_xpath_object("//" F_LRMD_RSC, msg, LOG_ERR);
	lrmd_rsc_t *rsc = NULL;

	rsc = calloc(1, sizeof(lrmd_rsc_t));

	crm_element_value_int(msg, F_LRMD_CALLOPTS, &rsc->call_opts);

	rsc->rsc_id = crm_element_value_copy(rsc_xml, F_LRMD_RSC_ID);
	rsc->class = crm_element_value_copy(rsc_xml, F_LRMD_CLASS);
	rsc->provider = crm_element_value_copy(rsc_xml, F_LRMD_PROVIDER);
	rsc->type = crm_element_value_copy(rsc_xml, F_LRMD_TYPE);
	rsc->work = mainloop_add_trigger(G_PRIORITY_HIGH, lrmd_rsc_dispatch, rsc);
	return rsc;
	}

	static lrmd_cmd_t *
	create_lrmd_cmd(xmlNode * msg, lrmd_client_t * client)
	{
	int call_options = 0;
	xmlNode *rsc_xml = get_xpath_object("//" F_LRMD_RSC, msg, LOG_ERR);
	lrmd_cmd_t *cmd = NULL;

	cmd = calloc(1, sizeof(lrmd_cmd_t));

	crm_element_value_int(msg, F_LRMD_CALLOPTS, &call_options);
	cmd->call_opts = call_options;
	cmd->client_id = strdup(client->id);

	crm_element_value_int(msg, F_LRMD_CALLID, &cmd->call_id);
	crm_element_value_int(rsc_xml, F_LRMD_RSC_INTERVAL, &cmd->interval);
	crm_element_value_int(rsc_xml, F_LRMD_TIMEOUT, &cmd->timeout);
	crm_element_value_int(rsc_xml, F_LRMD_RSC_START_DELAY, &cmd->start_delay);

	cmd->origin = crm_element_value_copy(rsc_xml, F_LRMD_ORIGIN);
	cmd->action = crm_element_value_copy(rsc_xml, F_LRMD_RSC_ACTION);
	cmd->userdata_str = crm_element_value_copy(rsc_xml, F_LRMD_RSC_USERDATA_STR);
	cmd->rsc_id = crm_element_value_copy(rsc_xml, F_LRMD_RSC_ID);

	cmd->params = xml2list(rsc_xml);

	return cmd;
	}

	static void
	free_lrmd_cmd(lrmd_cmd_t * cmd)
	{
	if (cmd->stonith_recurring_id) {
	g_source_remove(cmd->stonith_recurring_id);
	}
	if (cmd->delay_id) {
	g_source_remove(cmd->delay_id);
	}
	if (cmd->params) {
	g_hash_table_destroy(cmd->params);
	}
	free(cmd->origin);
	free(cmd->action);
	free(cmd->userdata_str);
	free(cmd->rsc_id);
	free(cmd->output);
	free(cmd->client_id);
	free(cmd);
	}

	static gboolean
	stonith_recurring_op_helper(gpointer data)
	{
	lrmd_cmd_t *cmd = data;
	lrmd_rsc_t *rsc;

	cmd->stonith_recurring_id = 0;

	if (!cmd->rsc_id) {
	return FALSE;
	}

	rsc = g_hash_table_lookup(rsc_list, cmd->rsc_id);

	CRM_ASSERT(rsc != NULL);
	/* take it out of recurring_ops list, and put it in the pending ops
	* to be executed */
	rsc->recurring_ops = g_list_remove(rsc->recurring_ops, cmd);
	rsc->pending_ops = g_list_append(rsc->pending_ops, cmd);
	#ifdef HAVE_SYS_TIMEB_H
	ftime(&cmd->t_queue);
	#endif
	mainloop_set_trigger(rsc->work);

	return FALSE;
	}

	static gboolean
	start_delay_helper(gpointer data)
	{
	lrmd_cmd_t *cmd = data;
	lrmd_rsc_t *rsc = NULL;

	cmd->delay_id = 0;
	rsc = cmd->rsc_id ? g_hash_table_lookup(rsc_list, cmd->rsc_id) : NULL;

	if (rsc) {
	mainloop_set_trigger(rsc->work);
	}

	return FALSE;
	}

	static void
	schedule_lrmd_cmd(lrmd_rsc_t * rsc, lrmd_cmd_t * cmd)
	{
	CRM_CHECK(cmd != NULL, return);
	CRM_CHECK(rsc != NULL, return);

	crm_trace("Scheduling %s on %s", cmd->action, rsc->rsc_id);
	rsc->pending_ops = g_list_append(rsc->pending_ops, cmd);
	#ifdef HAVE_SYS_TIMEB_H
	ftime(&cmd->t_queue);
	#endif
	mainloop_set_trigger(rsc->work);

	if (cmd->start_delay) {
	cmd->delay_id = g_timeout_add(cmd->start_delay, start_delay_helper, cmd);
	}

	}

	static void
	send_reply(lrmd_client_t * client, int rc, uint32_t id, int call_id)
	{
	int send_rc = 0;
	xmlNode *reply = NULL;

	reply = create_xml_node(NULL, T_LRMD_REPLY);
	crm_xml_add(reply, F_LRMD_ORIGIN, __FUNCTION__);
	crm_xml_add_int(reply, F_LRMD_RC, rc);
	crm_xml_add_int(reply, F_LRMD_CALLID, call_id);

	send_rc = crm_ipcs_send(client->channel, id, reply, FALSE);

	free_xml(reply);
	if (send_rc < 0) {
	crm_warn("LRMD reply to %s failed: %d", client->name, send_rc);
	}
	}

	static void
	send_client_notify(gpointer key, gpointer value, gpointer user_data)
	{
	xmlNode *update_msg = user_data;
	lrmd_client_t *client = value;

	if (client == NULL) {
	crm_err("Asked to send event to NULL client");
	return;
	} else if (client->channel == NULL) {
	crm_trace("Asked to send event to disconnected client");
	return;
	} else if (client->name == NULL) {
	crm_trace("Asked to send event to client with no name");
	return;
	}

	if (crm_ipcs_send(client->channel, 0, update_msg, TRUE) <= 0) {
	crm_warn("Notification of client %s/%s failed", client->name, client->id);
	}
	}

	#ifdef HAVE_SYS_TIMEB_H
	static int
	time_diff_ms(struct timeb now, struct timeb old)
	{
	int sec = difftime(now->time, old->time);
	int ms = now->millitm - old->millitm;

	if (old->time == 0) {
	return 0;
	}

	return (sec * 1000) + ms;
	}
	#endif

	static void
	send_cmd_complete_notify(lrmd_cmd_t * cmd)
	{
	#ifdef HAVE_SYS_TIMEB_H
	struct timeb now = { 0, };
	#endif
	xmlNode *notify = NULL;

	/* if the first notify result for a cmd has already been sent earlier, and the
	* the option to only send notifies on result changes is set. Check to see
	* if the last result is the same as the new one. If so, suppress this update */
	if (cmd->first_notify_sent && (cmd->call_opts & lrmd_opt_notify_changes_only)) {
	if (cmd->last_notify_rc == cmd->exec_rc &&
	cmd->last_notify_op_status == cmd->lrmd_op_status) {

	/* only send changes */
	return;
	}

	}

	cmd->first_notify_sent = 1;
	cmd->last_notify_rc = cmd->exec_rc;
	cmd->last_notify_op_status = cmd->lrmd_op_status;

	notify = create_xml_node(NULL, T_LRMD_NOTIFY);

	crm_xml_add(notify, F_LRMD_ORIGIN, __FUNCTION__);
	crm_xml_add_int(notify, F_LRMD_TIMEOUT, cmd->timeout);
	crm_xml_add_int(notify, F_LRMD_RSC_INTERVAL, cmd->interval);
	crm_xml_add_int(notify, F_LRMD_RSC_START_DELAY, cmd->start_delay);
	crm_xml_add_int(notify, F_LRMD_EXEC_RC, cmd->exec_rc);
	crm_xml_add_int(notify, F_LRMD_OP_STATUS, cmd->lrmd_op_status);
	crm_xml_add_int(notify, F_LRMD_CALLID, cmd->call_id);
	crm_xml_add_int(notify, F_LRMD_RSC_DELETED, cmd->rsc_deleted);

	#ifdef HAVE_SYS_TIMEB_H
	ftime(&now);
	crm_xml_add_int(notify, F_LRMD_RSC_RUN_TIME, cmd->t_run.time);
	crm_xml_add_int(notify, F_LRMD_RSC_RCCHANGE_TIME, cmd->t_rcchange.time);
	crm_xml_add_int(notify, F_LRMD_RSC_EXEC_TIME, time_diff_ms(&now, &cmd->t_run));
	crm_xml_add_int(notify, F_LRMD_RSC_QUEUE_TIME, time_diff_ms(&cmd->t_run, &cmd->t_queue));
	#endif

	crm_xml_add(notify, F_LRMD_OPERATION, LRMD_OP_RSC_EXEC);
	crm_xml_add(notify, F_LRMD_RSC_ID, cmd->rsc_id);
	crm_xml_add(notify, F_LRMD_RSC_ACTION, cmd->action);
	crm_xml_add(notify, F_LRMD_RSC_USERDATA_STR, cmd->userdata_str);
	crm_xml_add(notify, F_LRMD_RSC_OUTPUT, cmd->output);

	if (cmd->params) {
	char *key = NULL;
	char *value = NULL;
	GHashTableIter iter;

	xmlNode *args = create_xml_node(notify, XML_TAG_ATTRS);

	g_hash_table_iter_init(&iter, cmd->params);
	while (g_hash_table_iter_next(&iter, (gpointer ) & key, (gpointer ) & value)) {
	hash2field((gpointer) key, (gpointer) value, args);
	}
	}

	if (cmd->client_id && (cmd->call_opts & lrmd_opt_notify_orig_only)) {
	lrmd_client_t *client = g_hash_table_lookup(client_list, cmd->client_id);

	if (client) {
	send_client_notify(client->id, client, notify);
	}
	} else {
	g_hash_table_foreach(client_list, send_client_notify, notify);
	}

	free_xml(notify);
	}

	static void
	send_generic_notify(int rc, xmlNode * request)
	{
	int call_id = 0;
	xmlNode *notify = NULL;
	xmlNode *rsc_xml = get_xpath_object("//" F_LRMD_RSC, request, LOG_ERR);
	const char *rsc_id = crm_element_value(rsc_xml, F_LRMD_RSC_ID);
	const char *op = crm_element_value(request, F_LRMD_OPERATION);

	crm_element_value_int(request, F_LRMD_CALLID, &call_id);

	notify = create_xml_node(NULL, T_LRMD_NOTIFY);
	crm_xml_add(notify, F_LRMD_ORIGIN, __FUNCTION__);
	crm_xml_add_int(notify, F_LRMD_RC, rc);
	crm_xml_add_int(notify, F_LRMD_CALLID, call_id);
	crm_xml_add(notify, F_LRMD_OPERATION, op);
	crm_xml_add(notify, F_LRMD_RSC_ID, rsc_id);

	g_hash_table_foreach(client_list, send_client_notify, notify);

	free_xml(notify);
	}

	static void
	cmd_finalize(lrmd_cmd_t * cmd, lrmd_rsc_t * rsc)
	{
	crm_trace("Resource operation rsc:%s action:%s completed (%p %p)", cmd->rsc_id, cmd->action, rsc?rsc->active:NULL, cmd);

	if (rsc && (rsc->active == cmd)) {
	rsc->active = NULL;
	mainloop_set_trigger(rsc->work);
	}

	if (!rsc) {
	cmd->rsc_deleted = 1;
	}

	send_cmd_complete_notify(cmd);

	/* crmd expects lrmd to automatically cancel recurring ops after rsc stops */
	if (rsc && safe_str_eq(cmd->action, "stop")) {
	cancel_all_recurring(rsc, NULL);
	}

	if (cmd->interval && (cmd->lrmd_op_status == PCMK_LRM_OP_CANCELLED)) {
	if (rsc) {
	rsc->recurring_ops = g_list_remove(rsc->recurring_ops, cmd);
	rsc->pending_ops = g_list_remove(rsc->pending_ops, cmd);
	}
	free_lrmd_cmd(cmd);
	} else if (cmd->interval == 0) {
	if (rsc) {
	rsc->pending_ops = g_list_remove(rsc->pending_ops, cmd);
	}
	free_lrmd_cmd(cmd);
	} else {
	/* Clear all the values pertaining just to the last iteration of a recurring op. */
	cmd->lrmd_op_status = 0;
	memset(&cmd->t_run, 0, sizeof(cmd->t_run));
	memset(&cmd->t_queue, 0, sizeof(cmd->t_queue));
	free(cmd->output);
	cmd->output = NULL;
	}
	}

	static int
	lsb2uniform_rc(const char *action, int rc)
	{
	if (rc < 0) {
	return PCMK_EXECRA_UNKNOWN_ERROR;
	}

	/* status has different return codes that everything else. */
	if (!safe_str_eq(action, "status") && !safe_str_eq(action, "monitor")) {
	if (rc > PCMK_LSB_NOT_RUNNING) {
	return PCMK_EXECRA_UNKNOWN_ERROR;
	}
	return rc;
	}

	switch (rc) {
	case PCMK_LSB_STATUS_OK:
	return PCMK_EXECRA_OK;
	case PCMK_LSB_STATUS_NOT_INSTALLED:
	return PCMK_EXECRA_NOT_INSTALLED;
	case PCMK_LSB_STATUS_VAR_PID:
	case PCMK_LSB_STATUS_VAR_LOCK:
	case PCMK_LSB_STATUS_NOT_RUNNING:
	return PCMK_EXECRA_NOT_RUNNING;
	default:
	return PCMK_EXECRA_UNKNOWN_ERROR;
	}

	return PCMK_EXECRA_UNKNOWN_ERROR;
	}

	static int
	ocf2uniform_rc(int rc)
	{
	if (rc < 0 \|\| rc > PCMK_OCF_FAILED_MASTER) {
	return PCMK_EXECRA_UNKNOWN_ERROR;
	}

	return rc;
	}

	static int
	stonith2uniform_rc(const char *action, int rc)
	{
	if (rc == -ENODEV) {
	if (safe_str_eq(action, "stop")) {
	rc = PCMK_EXECRA_OK;
	} else if (safe_str_eq(action, "start")) {
	rc = PCMK_EXECRA_NOT_INSTALLED;
	} else {
	rc = PCMK_EXECRA_NOT_RUNNING;
	}
	} else if (rc != 0) {
	rc = PCMK_EXECRA_UNKNOWN_ERROR;
	}
	return rc;
	}

	static int
	get_uniform_rc(const char standard, const char action, int rc)
	{
	if (safe_str_eq(standard, "ocf")) {
	return ocf2uniform_rc(rc);
	} else if (safe_str_eq(standard, "stonith")) {
	return stonith2uniform_rc(action, rc);
	} else if (safe_str_eq(standard, "systemd")) {
	return rc;
	} else if (safe_str_eq(standard, "upstart")) {
	return rc;
	} else {
	return lsb2uniform_rc(action, rc);
	}
	}

	void
	client_disconnect_cleanup(const char *client_id)
	{
	GHashTableIter iter;
	lrmd_rsc_t *rsc = NULL;
	char *key = NULL;

	g_hash_table_iter_init(&iter, rsc_list);
	while (g_hash_table_iter_next(&iter, (gpointer ) & key, (gpointer ) & rsc)) {
	if (rsc->call_opts & lrmd_opt_drop_recurring) {
	/* This client is disconnecting, drop any recurring operations
	* it may have initiated on the resource */
	cancel_all_recurring(rsc, client_id);
	}
	}
	}

	static void
	action_complete(svc_action_t * action)
	{
	lrmd_rsc_t *rsc;
	lrmd_cmd_t *cmd = action->cb_data;

	if (!cmd) {
	crm_err("LRMD action (%s) completed does not match any known operations.", action->id);
	return;
	}
	#ifdef HAVE_SYS_TIMEB_H
	if (cmd->exec_rc != action->rc) {
	ftime(&cmd->t_rcchange);
	}
	#endif

	cmd->exec_rc = get_uniform_rc(action->standard, cmd->action, action->rc);
	cmd->lrmd_op_status = action->status;
	rsc = cmd->rsc_id ? g_hash_table_lookup(rsc_list, cmd->rsc_id) : NULL;

	if (action->stdout_data) {
	cmd->output = strdup(action->stdout_data);
	}

	cmd_finalize(cmd, rsc);
	}


	static void
	stonith_action_complete(lrmd_cmd_t *cmd, int rc)
	{
	int recurring = cmd->interval;
	lrmd_rsc_t *rsc = NULL;
	cmd->exec_rc = get_uniform_rc("stonith", cmd->action, rc);

	if (cmd->lrmd_op_status == PCMK_LRM_OP_CANCELLED) {
	recurring = 0;
	/* do nothing */
	} else if (rc) {
	/* Attempt to map return codes to op status if possible */
	switch (rc) {
	case -EPROTONOSUPPORT:
	cmd->lrmd_op_status = PCMK_LRM_OP_NOTSUPPORTED;
	break;
	case -ETIME:
	cmd->lrmd_op_status = PCMK_LRM_OP_TIMEOUT;
	break;
	default:
	cmd->lrmd_op_status = PCMK_LRM_OP_ERROR;
	}
	} else {
	/* command successful */
	cmd->lrmd_op_status = PCMK_LRM_OP_DONE;
	}

	rsc = g_hash_table_lookup(rsc_list, cmd->rsc_id);
	if (recurring && rsc) {
	if (cmd->stonith_recurring_id) {
	g_source_remove(cmd->stonith_recurring_id);
	}
	cmd->stonith_recurring_id = g_timeout_add(cmd->interval, stonith_recurring_op_helper, cmd);
	}

	cmd_finalize(cmd, rsc);
	}

	static void
	lrmd_stonith_callback(stonith_t * stonith, stonith_callback_data_t *data)
	{
	stonith_action_complete(data->userdata, data->rc);
	}

	void
	stonith_connection_failed(void)
	{
	GHashTableIter iter;
	GList *cmd_list = NULL;
	GList *cmd_iter = NULL;
	lrmd_rsc_t *rsc = NULL;
	char *key = NULL;

	g_hash_table_iter_init(&iter, rsc_list);
	while (g_hash_table_iter_next(&iter, (gpointer ) & key, (gpointer ) & rsc)) {
	if (safe_str_eq(rsc->class, "stonith")) {
	if (rsc->recurring_ops) {
	cmd_list = g_list_concat(cmd_list, rsc->recurring_ops);
	}
	if (rsc->pending_ops) {
	cmd_list = g_list_concat(cmd_list, rsc->pending_ops);
	}
	rsc->pending_ops = rsc->recurring_ops = NULL;
	}
	}

	if (!cmd_list) {
	return;
	}

	crm_err("STONITH connection failed, finalizing %d pending operations.", g_list_length(cmd_list));
	for (cmd_iter = cmd_list; cmd_iter; cmd_iter = cmd_iter->next) {
	stonith_action_complete(cmd_iter->data, -ENOTCONN);
	}
	g_list_free(cmd_list);
	}

	static int
	lrmd_rsc_execute_stonith(lrmd_rsc_t * rsc, lrmd_cmd_t * cmd)
	{
	int rc = 0;
	int do_monitor = 0;

	stonith_t *stonith_api = get_stonith_connection();

	if (!stonith_api) {
	cmd->exec_rc = get_uniform_rc("stonith", cmd->action, -ENOTCONN);
	cmd->lrmd_op_status = PCMK_LRM_OP_ERROR;
	cmd_finalize(cmd, rsc);
	return -EUNATCH;
	}

	if (safe_str_eq(cmd->action, "start")) {
	char *key = NULL;
	char *value = NULL;
	stonith_key_value_t *device_params = NULL;

	if (cmd->params) {
	GHashTableIter iter;

	g_hash_table_iter_init(&iter, cmd->params);
	while (g_hash_table_iter_next(&iter, (gpointer ) & key, (gpointer ) & value)) {
	device_params = stonith_key_value_add(device_params, key, value);
	}
	}

	+ /* Stonith automatically registers devices from the CIB when changes occur,
	+ * but to avoid a possible race condition between stonith receiving the CIB update
	+ * and the lrmd requesting that resource, the lrmd still registers the device as well.
	+ * Stonith knows how to handle duplicate device registrations correctly. */
	rc = stonith_api->cmds->register_device(stonith_api,
	st_opt_sync_call,
	cmd->rsc_id,
	rsc->provider, rsc->type, device_params);

	stonith_key_value_freeall(device_params, 1, 1);
	if (rc == 0) {
	do_monitor = 1;
	}
	} else if (safe_str_eq(cmd->action, "stop")) {
	- rc = stonith_api->cmds->remove_device(stonith_api, st_opt_sync_call, cmd->rsc_id);
	+ /* Device removal now happens when the device is removed from the cib */
	+ /* rc = stonith_api->cmds->remove_device(stonith_api, st_opt_sync_call, cmd->rsc_id); */
	} else if (safe_str_eq(cmd->action, "monitor")) {
	do_monitor = 1;
	}

	if (!do_monitor) {
	goto cleanup_stonith_exec;
	}

	rc = stonith_api->cmds->monitor(stonith_api,
	0, cmd->rsc_id, cmd->timeout / 1000 );

	rc = stonith_api->cmds->register_callback(
	stonith_api,
	rc,
	0,
	0,
	cmd,
	"lrmd_stonith_callback",
	lrmd_stonith_callback);

	/* don't cleanup yet, we will find out the result of the monitor later */
	if (rc > 0) {
	rsc->active = cmd;
	return rc;
	} else if (rc == 0) {
	rc = -1;
	}

	cleanup_stonith_exec:
	stonith_action_complete(cmd, rc);
	return rc;
	}

	static const char *
	normalize_action_name(lrmd_rsc_t * rsc, const char *action)
	{
	if (safe_str_eq(action, "monitor") &&
	(safe_str_eq(rsc->class, "lsb") \|\|
	safe_str_eq(rsc->class, "service") \|\| safe_str_eq(rsc->class, "systemd"))) {
	return "status";
	}
	return action;
	}

	static void
	dup_attr(gpointer key, gpointer value, gpointer user_data)
	{
	g_hash_table_replace(user_data, strdup(key), strdup(value));
	}

	static int
	lrmd_rsc_execute_service_lib(lrmd_rsc_t * rsc, lrmd_cmd_t * cmd)
	{
	svc_action_t *action = NULL;
	GHashTable *params_copy = NULL;

	CRM_ASSERT(rsc);
	CRM_ASSERT(cmd);

	crm_trace("Creating action, resource:%s action:%s class:%s provider:%s agent:%s",
	rsc->rsc_id, cmd->action, rsc->class, rsc->provider, rsc->type);

	if (cmd->params) {
	params_copy = g_hash_table_new_full(crm_str_hash,
	g_str_equal, g_hash_destroy_str, g_hash_destroy_str);

	if (params_copy != NULL) {
	g_hash_table_foreach(cmd->params, dup_attr, params_copy);
	}
	}

	action = resources_action_create(rsc->rsc_id,
	rsc->class,
	rsc->provider,
	rsc->type,
	normalize_action_name(rsc, cmd->action),
	cmd->interval, cmd->timeout, params_copy);

	if (!action) {
	crm_err("Failed to create action, action:%s on resource %s", cmd->action, rsc->rsc_id);
	cmd->lrmd_op_status = PCMK_LRM_OP_ERROR;
	goto exec_done;
	}

	action->cb_data = cmd;

	/* 'cmd' may not be valid after this point
	*
	* Upstart and systemd both synchronously determine monitor/status
	* results and call action_complete (which may free 'cmd') if necessary
	*/
	if (services_action_async(action, action_complete)) {
	return TRUE;
	}

	cmd->exec_rc = action->rc;
	cmd->lrmd_op_status = PCMK_LRM_OP_ERROR;
	services_action_free(action);
	action = NULL;

	exec_done:
	cmd_finalize(cmd, rsc);
	return TRUE;
	}

	static gboolean
	lrmd_rsc_execute(lrmd_rsc_t * rsc)
	{
	lrmd_cmd_t *cmd = NULL;

	CRM_CHECK(rsc != NULL, return FALSE);

	if (rsc->active) {
	crm_trace("%s is still active", rsc->rsc_id);
	return TRUE;
	}

	if (rsc->pending_ops) {
	GList *first = rsc->pending_ops;

	cmd = first->data;
	if (cmd->delay_id) {
	crm_trace
	("Command %s %s was asked to run too early, waiting for start_delay timeout of %dms",
	cmd->rsc_id, cmd->action, cmd->start_delay);
	return TRUE;
	}
	rsc->pending_ops = g_list_remove_link(rsc->pending_ops, first);
	g_list_free_1(first);

	#ifdef HAVE_SYS_TIMEB_H
	ftime(&cmd->t_run);
	}
	#endif

	if (!cmd) {
	crm_trace("Nothing further to do for %s", rsc->rsc_id);
	return TRUE;
	}

	rsc->active = cmd; /* only one op at a time for a rsc */
	if (cmd->interval) {
	rsc->recurring_ops = g_list_append(rsc->recurring_ops, cmd);
	}

	if (safe_str_eq(rsc->class, "stonith")) {
	lrmd_rsc_execute_stonith(rsc, cmd);
	} else {
	lrmd_rsc_execute_service_lib(rsc, cmd);
	}

	return TRUE;
	}

	static gboolean
	lrmd_rsc_dispatch(gpointer user_data)
	{
	return lrmd_rsc_execute(user_data);
	}

	void
	free_rsc(gpointer data)
	{
	GListPtr gIter = NULL;
	lrmd_rsc_t *rsc = data;
	int is_stonith = safe_str_eq(rsc->class, "stonith");

	for (gIter = rsc->pending_ops; gIter != NULL; gIter = gIter->next) {
	lrmd_cmd_t *cmd = gIter->data;

	/* command was never executed */
	cmd->lrmd_op_status = PCMK_LRM_OP_CANCELLED;
	cmd_finalize(cmd, NULL);
	}
	/* frees list, but not list elements. */
	g_list_free(rsc->pending_ops);

	for (gIter = rsc->recurring_ops; gIter != NULL; gIter = gIter->next) {
	lrmd_cmd_t *cmd = gIter->data;

	if (is_stonith) {
	cmd->lrmd_op_status = PCMK_LRM_OP_CANCELLED;
	cmd_finalize(cmd, NULL);
	} else {
	/* This command is already handed off to service library,
	* let service library cancel it and tell us via the callback
	* when it is cancelled. The rsc can be safely destroyed
	* even if we are waiting for the cancel result */
	services_action_cancel(rsc->rsc_id, cmd->action, cmd->interval);
	}
	}
	/* frees list, but not list elements. */
	g_list_free(rsc->recurring_ops);

	free(rsc->rsc_id);
	free(rsc->class);
	free(rsc->provider);
	free(rsc->type);
	mainloop_destroy_trigger(rsc->work);

	free(rsc);
	}

	static int
	process_lrmd_signon(lrmd_client_t * client, uint32_t id, xmlNode * request)
	{
	xmlNode *reply = create_xml_node(NULL, "reply");

	crm_xml_add(reply, F_LRMD_OPERATION, CRM_OP_REGISTER);
	crm_xml_add(reply, F_LRMD_CLIENTID, client->id);
	crm_ipcs_send(client->channel, id, reply, FALSE);

	free_xml(reply);
	return pcmk_ok;
	}

	static int
	process_lrmd_rsc_register(lrmd_client_t * client, uint32_t id, xmlNode * request)
	{
	int rc = pcmk_ok;
	lrmd_rsc_t *rsc = build_rsc_from_xml(request);
	lrmd_rsc_t *dup = g_hash_table_lookup(rsc_list, rsc->rsc_id);

	if (dup &&
	safe_str_eq(rsc->class, dup->class) &&
	safe_str_eq(rsc->provider, dup->provider) && safe_str_eq(rsc->type, dup->type)) {

	crm_warn("Can't add, RSC '%s' already present in the rsc list (%d active resources)",
	rsc->rsc_id, g_hash_table_size(rsc_list));

	free_rsc(rsc);
	return rc;
	}

	g_hash_table_replace(rsc_list, rsc->rsc_id, rsc);
	crm_info("Added '%s' to the rsc list (%d active resources)",
	rsc->rsc_id, g_hash_table_size(rsc_list));

	return rc;
	}

	static void
	process_lrmd_get_rsc_info(lrmd_client_t * client, uint32_t id, xmlNode * request)
	{
	int rc = pcmk_ok;
	int send_rc = 0;
	int call_id = 0;
	xmlNode *rsc_xml = get_xpath_object("//" F_LRMD_RSC, request, LOG_ERR);
	const char *rsc_id = crm_element_value(rsc_xml, F_LRMD_RSC_ID);
	xmlNode *reply = NULL;
	lrmd_rsc_t *rsc = NULL;

	crm_element_value_int(request, F_LRMD_CALLID, &call_id);

	if (!rsc_id) {
	rc = -ENODEV;
	goto get_rsc_done;
	}

	if (!(rsc = g_hash_table_lookup(rsc_list, rsc_id))) {
	crm_info("Resource '%s' not found (%d active resources)",
	rsc_id, g_hash_table_size(rsc_list));
	rc = -ENODEV;
	goto get_rsc_done;
	}

	get_rsc_done:

	reply = create_xml_node(NULL, T_LRMD_REPLY);
	crm_xml_add(reply, F_LRMD_ORIGIN, __FUNCTION__);
	crm_xml_add_int(reply, F_LRMD_RC, rc);
	crm_xml_add_int(reply, F_LRMD_CALLID, call_id);

	if (rsc) {
	crm_xml_add(reply, F_LRMD_RSC_ID, rsc->rsc_id);
	crm_xml_add(reply, F_LRMD_CLASS, rsc->class);
	crm_xml_add(reply, F_LRMD_PROVIDER, rsc->provider);
	crm_xml_add(reply, F_LRMD_TYPE, rsc->type);
	}

	send_rc = crm_ipcs_send(client->channel, id, reply, FALSE);

	if (send_rc < 0) {
	crm_warn("LRMD reply to %s failed: %d", client->name, send_rc);
	}

	free_xml(reply);
	}

	static int
	process_lrmd_rsc_unregister(lrmd_client_t * client, uint32_t id, xmlNode * request)
	{
	int rc = pcmk_ok;
	lrmd_rsc_t *rsc = NULL;
	xmlNode *rsc_xml = get_xpath_object("//" F_LRMD_RSC, request, LOG_ERR);
	const char *rsc_id = crm_element_value(rsc_xml, F_LRMD_RSC_ID);

	if (!rsc_id) {
	return -ENODEV;
	}

	if (!(rsc = g_hash_table_lookup(rsc_list, rsc_id))) {
	crm_info("Resource '%s' not found (%d active resources)",
	rsc_id, g_hash_table_size(rsc_list));
	return pcmk_ok;
	}

	if (rsc->active) {
	/* let the caller know there are still active ops on this rsc to watch for */
	crm_trace("Operation still in progress: %p", rsc->active);
	rc = -EINPROGRESS;
	}

	g_hash_table_remove(rsc_list, rsc_id);

	return rc;
	}

	static int
	process_lrmd_rsc_exec(lrmd_client_t * client, uint32_t id, xmlNode * request)
	{
	lrmd_rsc_t *rsc = NULL;
	lrmd_cmd_t *cmd = NULL;
	xmlNode *rsc_xml = get_xpath_object("//" F_LRMD_RSC, request, LOG_ERR);
	const char *rsc_id = crm_element_value(rsc_xml, F_LRMD_RSC_ID);

	if (!rsc_id) {
	return -EINVAL;
	}
	if (!(rsc = g_hash_table_lookup(rsc_list, rsc_id))) {
	crm_info("Resource '%s' not found (%d active resources)",
	rsc_id, g_hash_table_size(rsc_list));
	return -ENODEV;
	}

	cmd = create_lrmd_cmd(request, client);
	schedule_lrmd_cmd(rsc, cmd);

	return cmd->call_id;
	}

	static int
	cancel_op(const char rsc_id, const char action, int interval)
	{
	GListPtr gIter = NULL;
	lrmd_rsc_t *rsc = g_hash_table_lookup(rsc_list, rsc_id);

	/* How to cancel an action.
	* 1. Check pending ops list, if it hasn't been handed off
	* to the service library or stonith recurring list remove
	* it there and that will stop it.
	* 2. If it isn't in the pending ops list, then its either a
	* recurring op in the stonith recurring list, or the service
	* library's recurring list. Stop it there
	* 3. If not found in any lists, then this operation has either
	* been executed already and is not a recurring operation, or
	* never existed.
	*/
	if (!rsc) {
	return -ENODEV;
	}

	for (gIter = rsc->pending_ops; gIter != NULL; gIter = gIter->next) {
	lrmd_cmd_t *cmd = gIter->data;

	if (safe_str_eq(cmd->action, action) && cmd->interval == interval) {
	cmd->lrmd_op_status = PCMK_LRM_OP_CANCELLED;
	cmd_finalize(cmd, rsc);
	return pcmk_ok;
	}
	}

	if (safe_str_eq(rsc->class, "stonith")) {
	/* The service library does not handle stonith operations.
	* We have to handle recurring stonith opereations ourselves. */
	for (gIter = rsc->recurring_ops; gIter != NULL; gIter = gIter->next) {
	lrmd_cmd_t *cmd = gIter->data;

	if (safe_str_eq(cmd->action, action) && cmd->interval == interval) {
	cmd->lrmd_op_status = PCMK_LRM_OP_CANCELLED;
	if (rsc->active != cmd) {
	cmd_finalize(cmd, rsc);
	}
	return pcmk_ok;
	}
	}
	} else if (services_action_cancel(rsc_id, normalize_action_name(rsc, action), interval) == TRUE) {
	/* The service library will tell the action_complete callback function
	* this action was cancelled, which will destroy the cmd and remove
	* it from the recurring_op list. Do not do that in this function
	* if the service library says it cancelled it. */
	return pcmk_ok;
	}

	return -EOPNOTSUPP;
	}

	static void
	cancel_all_recurring(lrmd_rsc_t rsc, const char client_id)
	{
	GList *cmd_list = NULL;
	GList *cmd_iter = NULL;

	/* Notice a copy of each list is created when concat is called.
	* This prevents odd behavior from occurring when the cmd_list
	* is iterated through later on. It is possible the cancel_op
	* function may end up modifying the recurring_ops and pending_ops
	* lists. If we did not copy those lists, our cmd_list iteration
	* could get messed up.*/
	if (rsc->recurring_ops) {
	cmd_list = g_list_concat(cmd_list, g_list_copy(rsc->recurring_ops));
	}
	if (rsc->pending_ops) {
	cmd_list = g_list_concat(cmd_list, g_list_copy(rsc->pending_ops));
	}
	if (!cmd_list) {
	return;
	}

	for (cmd_iter = cmd_list; cmd_iter; cmd_iter = cmd_iter->next) {
	lrmd_cmd_t *cmd = cmd_iter->data;
	if (cmd->interval == 0) {
	continue;
	}

	if (client_id && safe_str_neq(cmd->client_id, client_id)) {
	continue;
	}

	cancel_op(rsc->rsc_id, cmd->action, cmd->interval);
	}
	/* frees only the copied list data, not the cmds */
	g_list_free(cmd_list);
	}

	static int
	process_lrmd_rsc_cancel(lrmd_client_t * client, uint32_t id, xmlNode * request)
	{
	xmlNode *rsc_xml = get_xpath_object("//" F_LRMD_RSC, request, LOG_ERR);
	const char *rsc_id = crm_element_value(rsc_xml, F_LRMD_RSC_ID);
	const char *action = crm_element_value(rsc_xml, F_LRMD_RSC_ACTION);
	int interval = 0;

	crm_element_value_int(rsc_xml, F_LRMD_RSC_INTERVAL, &interval);

	if (!rsc_id \|\| !action) {
	return -EINVAL;
	}

	return cancel_op(rsc_id, action, interval);
	}

	void
	process_lrmd_message(lrmd_client_t * client, uint32_t id, xmlNode * request)
	{
	int rc = pcmk_ok;
	int call_id = 0;
	const char *op = crm_element_value(request, F_LRMD_OPERATION);
	int do_reply = 0;
	int do_notify = 0;
	int exit = 0;

	crm_trace("Processing %s operation from %s", op, client->id);
	crm_element_value_int(request, F_LRMD_CALLID, &call_id);

	if (crm_str_eq(op, CRM_OP_REGISTER, TRUE)) {
	rc = process_lrmd_signon(client, id, request);
	} else if (crm_str_eq(op, LRMD_OP_RSC_REG, TRUE)) {
	rc = process_lrmd_rsc_register(client, id, request);
	do_notify = 1;
	do_reply = 1;
	} else if (crm_str_eq(op, LRMD_OP_RSC_INFO, TRUE)) {
	process_lrmd_get_rsc_info(client, id, request);
	} else if (crm_str_eq(op, LRMD_OP_RSC_UNREG, TRUE)) {
	rc = process_lrmd_rsc_unregister(client, id, request);
	/* don't notify anyone about failed un-registers */
	if (rc == pcmk_ok \|\| rc == -EINPROGRESS) {
	do_notify = 1;
	}
	do_reply = 1;
	} else if (crm_str_eq(op, LRMD_OP_RSC_EXEC, TRUE)) {
	rc = process_lrmd_rsc_exec(client, id, request);
	do_reply = 1;
	} else if (crm_str_eq(op, LRMD_OP_RSC_CANCEL, TRUE)) {
	rc = process_lrmd_rsc_cancel(client, id, request);
	do_reply = 1;
	} else if (crm_str_eq(op, CRM_OP_QUIT, TRUE)) {
	do_reply = 1;
	exit = 1;
	} else {
	rc = -EOPNOTSUPP;
	do_reply = 1;
	crm_err("Unknown %s from %s", op, client->name);
	crm_log_xml_warn(request, "UnknownOp");
	}

	crm_debug("Processed %s operation from %s: rc=%d, reply=%d, notify=%d, exit=%d",
	op, client->id, rc, do_reply, do_notify, exit);

	if (do_reply) {
	send_reply(client, rc, id, call_id);
	}

	if (do_notify) {
	send_generic_notify(rc, request);
	}

	if (exit) {
	lrmd_shutdown(0);
	}
	}

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