utils.c
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utils.c
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	/*
	* Copyright (C) 2004 Andrew Beekhof <andrew@beekhof.net>
	*
	* This program is free software; you can redistribute it and/or
	* modify it under the terms of the GNU General Public
	* License as published by the Free Software Foundation; either
	* version 2.1 of the License, or (at your option) any later version.
	*
	* This software is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	* General Public License for more details.
	*
	* You should have received a copy of the GNU General Public
	* License along with this library; if not, write to the Free Software
	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	*/

	#include <crm_internal.h>

	#include <sys/param.h>
	#include <crm/crm.h>
	#include <crm/cib.h>
	#include <crmd_fsa.h>

	#include <clplumbing/Gmain_timeout.h>
	#include <sys/types.h>
	#include <sys/wait.h>
	#include <signal.h>

	#include <heartbeat.h>

	#include <crm/msg_xml.h>
	#include <crm/common/xml.h>
	#include <crm/common/msg.h>
	#include <crmd_messages.h>
	#include <crmd_utils.h>
	#include <crm/common/cluster.h>
	#include <../tools/attrd.h>


	/* A_DC_TIMER_STOP, A_DC_TIMER_START,
	* A_FINALIZE_TIMER_STOP, A_FINALIZE_TIMER_START
	* A_INTEGRATE_TIMER_STOP, A_INTEGRATE_TIMER_START
	*/
	void
	do_timer_control(long long action,
	enum crmd_fsa_cause cause,
	enum crmd_fsa_state cur_state,
	enum crmd_fsa_input current_input,
	fsa_data_t *msg_data)
	{
	gboolean timer_op_ok = TRUE;

	if(action & A_DC_TIMER_STOP) {
	timer_op_ok = crm_timer_stop(election_trigger);

	} else if(action & A_FINALIZE_TIMER_STOP) {
	timer_op_ok = crm_timer_stop(finalization_timer);

	} else if(action & A_INTEGRATE_TIMER_STOP) {
	timer_op_ok = crm_timer_stop(integration_timer);

	/* } else if(action & A_ELECTION_TIMEOUT_STOP) { */
	/* timer_op_ok = crm_timer_stop(election_timeout); */
	}

	/* dont start a timer that wasnt already running */
	if(action & A_DC_TIMER_START && timer_op_ok) {
	crm_timer_start(election_trigger);
	if(AM_I_DC) {
	/* there can be only one */
	register_fsa_input(cause, I_ELECTION, NULL);
	}

	} else if(action & A_FINALIZE_TIMER_START) {
	crm_timer_start(finalization_timer);

	} else if(action & A_INTEGRATE_TIMER_START) {
	crm_timer_start(integration_timer);

	/* } else if(action & A_ELECTION_TIMEOUT_START) { */
	/* crm_timer_start(election_timeout); */
	}
	}

	static const char *
	get_timer_desc(fsa_timer_t *timer)
	{
	if(timer == election_trigger) {
	return "Election Trigger";

	} else if(timer == election_timeout) {
	return "Election Timeout";

	} else if(timer == shutdown_escalation_timer) {
	return "Shutdown Escalation";

	} else if(timer == integration_timer) {
	return "Integration Timer";

	} else if(timer == finalization_timer) {
	return "Finalization Timer";

	} else if(timer == wait_timer) {
	return "Wait Timer";

	} else if(timer == recheck_timer) {
	return "PEngine Recheck Timer";

	}
	return "Unknown Timer";
	}

	gboolean
	crm_timer_popped(gpointer data)
	{
	fsa_timer_t timer = (fsa_timer_t )data;

	if(timer == wait_timer
	\|\| timer == recheck_timer
	\|\| timer == finalization_timer
	\|\| timer == election_trigger) {
	crm_info("%s (%s) just popped!",
	get_timer_desc(timer),
	fsa_input2string(timer->fsa_input));

	} else {
	crm_err("%s (%s) just popped!",
	get_timer_desc(timer),
	fsa_input2string(timer->fsa_input));
	}

	if(timer->repeat == FALSE) {
	crm_timer_stop(timer); /* make it _not_ go off again */
	}

	if(timer->fsa_input == I_INTEGRATED) {
	register_fsa_input_before(
	C_TIMER_POPPED, timer->fsa_input, NULL);

	} else if(timer->fsa_input == I_PE_CALC
	&& fsa_state != S_IDLE) {
	crm_debug("Discarding %s event in state: %s",
	fsa_input2string(timer->fsa_input),
	fsa_state2string(fsa_state));

	} else if(timer->fsa_input == I_FINALIZED
	&& fsa_state != S_FINALIZE_JOIN) {
	crm_debug("Discarding %s event in state: %s",
	fsa_input2string(timer->fsa_input),
	fsa_state2string(fsa_state));

	} else if(timer->fsa_input != I_NULL) {
	register_fsa_input(C_TIMER_POPPED, timer->fsa_input, NULL);
	}

	crm_debug_3("Triggering FSA: %s", __FUNCTION__);
	G_main_set_trigger(fsa_source);

	return TRUE;
	}

	gboolean
	crm_timer_start(fsa_timer_t *timer)
	{
	const char *timer_desc = get_timer_desc(timer);

	if(timer->source_id == 0 && timer->period_ms > 0) {
	timer->source_id = Gmain_timeout_add(
	timer->period_ms, timer->callback, (void*)timer);
	CRM_ASSERT(timer->source_id != 0);
	crm_debug("Started %s (%s:%dms), src=%d",
	timer_desc, fsa_input2string(timer->fsa_input),
	timer->period_ms, timer->source_id);

	} else if(timer->period_ms < 0) {
	crm_err("Tried to start %s (%s:%dms) with a -ve period",
	timer_desc, fsa_input2string(timer->fsa_input),
	timer->period_ms);

	} else {
	crm_debug("%s (%s:%dms) already running: src=%d",
	timer_desc, fsa_input2string(timer->fsa_input),
	timer->period_ms, timer->source_id);
	return FALSE;
	}
	return TRUE;
	}


	gboolean
	crm_timer_stop(fsa_timer_t *timer)
	{
	const char *timer_desc = get_timer_desc(timer);

	if(timer == NULL) {
	crm_err("Attempted to stop NULL timer");
	return FALSE;

	} else if(timer->source_id != 0) {
	crm_debug_2("Stopping %s (%s:%dms), src=%d",
	timer_desc, fsa_input2string(timer->fsa_input),
	timer->period_ms, timer->source_id);
	Gmain_timeout_remove(timer->source_id);
	timer->source_id = 0;

	} else {
	crm_debug_2("%s (%s:%dms) already stopped",
	timer_desc, fsa_input2string(timer->fsa_input),
	timer->period_ms);
	return FALSE;
	}
	return TRUE;
	}

	const char *
	fsa_input2string(enum crmd_fsa_input input)
	{
	const char *inputAsText = NULL;

	switch(input){
	case I_NULL:
	inputAsText = "I_NULL";
	break;
	case I_CIB_OP:
	inputAsText = "I_CIB_OP (unused)";
	break;
	case I_CIB_UPDATE:
	inputAsText = "I_CIB_UPDATE";
	break;
	case I_DC_TIMEOUT:
	inputAsText = "I_DC_TIMEOUT";
	break;
	case I_ELECTION:
	inputAsText = "I_ELECTION";
	break;
	case I_PE_CALC:
	inputAsText = "I_PE_CALC";
	break;
	case I_RELEASE_DC:
	inputAsText = "I_RELEASE_DC";
	break;
	case I_ELECTION_DC:
	inputAsText = "I_ELECTION_DC";
	break;
	case I_ERROR:
	inputAsText = "I_ERROR";
	break;
	case I_FAIL:
	inputAsText = "I_FAIL";
	break;
	case I_INTEGRATED:
	inputAsText = "I_INTEGRATED";
	break;
	case I_FINALIZED:
	inputAsText = "I_FINALIZED";
	break;
	case I_NODE_JOIN:
	inputAsText = "I_NODE_JOIN";
	break;
	case I_JOIN_OFFER:
	inputAsText = "I_JOIN_OFFER";
	break;
	case I_JOIN_REQUEST:
	inputAsText = "I_JOIN_REQUEST";
	break;
	case I_JOIN_RESULT:
	inputAsText = "I_JOIN_RESULT";
	break;
	case I_NOT_DC:
	inputAsText = "I_NOT_DC";
	break;
	case I_RECOVERED:
	inputAsText = "I_RECOVERED";
	break;
	case I_RELEASE_FAIL:
	inputAsText = "I_RELEASE_FAIL";
	break;
	case I_RELEASE_SUCCESS:
	inputAsText = "I_RELEASE_SUCCESS";
	break;
	case I_RESTART:
	inputAsText = "I_RESTART";
	break;
	case I_PE_SUCCESS:
	inputAsText = "I_PE_SUCCESS";
	break;
	case I_ROUTER:
	inputAsText = "I_ROUTER";
	break;
	case I_SHUTDOWN:
	inputAsText = "I_SHUTDOWN";
	break;
	case I_STARTUP:
	inputAsText = "I_STARTUP";
	break;
	case I_TE_SUCCESS:
	inputAsText = "I_TE_SUCCESS";
	break;
	case I_STOP:
	inputAsText = "I_STOP";
	break;
	case I_DC_HEARTBEAT:
	inputAsText = "I_DC_HEARTBEAT";
	break;
	case I_WAIT_FOR_EVENT:
	inputAsText = "I_WAIT_FOR_EVENT";
	break;
	case I_LRM_EVENT:
	inputAsText = "I_LRM_EVENT";
	break;
	case I_PENDING:
	inputAsText = "I_PENDING";
	break;
	case I_HALT:
	inputAsText = "I_HALT";
	break;
	case I_TERMINATE:
	inputAsText = "I_TERMINATE";
	break;
	case I_ILLEGAL:
	inputAsText = "I_ILLEGAL";
	break;
	}

	if(inputAsText == NULL) {
	crm_err("Input %d is unknown", input);
	inputAsText = "<UNKNOWN_INPUT>";
	}

	return inputAsText;
	}

	const char *
	fsa_state2string(enum crmd_fsa_state state)
	{
	const char *stateAsText = NULL;

	switch(state){
	case S_IDLE:
	stateAsText = "S_IDLE";
	break;
	case S_ELECTION:
	stateAsText = "S_ELECTION";
	break;
	case S_INTEGRATION:
	stateAsText = "S_INTEGRATION";
	break;
	case S_FINALIZE_JOIN:
	stateAsText = "S_FINALIZE_JOIN";
	break;
	case S_NOT_DC:
	stateAsText = "S_NOT_DC";
	break;
	case S_POLICY_ENGINE:
	stateAsText = "S_POLICY_ENGINE";
	break;
	case S_RECOVERY:
	stateAsText = "S_RECOVERY";
	break;
	case S_RELEASE_DC:
	stateAsText = "S_RELEASE_DC";
	break;
	case S_PENDING:
	stateAsText = "S_PENDING";
	break;
	case S_STOPPING:
	stateAsText = "S_STOPPING";
	break;
	case S_TERMINATE:
	stateAsText = "S_TERMINATE";
	break;
	case S_TRANSITION_ENGINE:
	stateAsText = "S_TRANSITION_ENGINE";
	break;
	case S_STARTING:
	stateAsText = "S_STARTING";
	break;
	case S_HALT:
	stateAsText = "S_HALT";
	break;
	case S_ILLEGAL:
	stateAsText = "S_ILLEGAL";
	break;
	}

	if(stateAsText == NULL) {
	crm_err("State %d is unknown", state);
	stateAsText = "<UNKNOWN_STATE>";
	}

	return stateAsText;
	}

	const char *
	fsa_cause2string(enum crmd_fsa_cause cause)
	{
	const char *causeAsText = NULL;

	switch(cause){
	case C_UNKNOWN:
	causeAsText = "C_UNKNOWN";
	break;
	case C_STARTUP:
	causeAsText = "C_STARTUP";
	break;
	case C_IPC_MESSAGE:
	causeAsText = "C_IPC_MESSAGE";
	break;
	case C_HA_MESSAGE:
	causeAsText = "C_HA_MESSAGE";
	break;
	case C_CCM_CALLBACK:
	causeAsText = "C_CCM_CALLBACK";
	break;
	case C_TIMER_POPPED:
	causeAsText = "C_TIMER_POPPED";
	break;
	case C_SHUTDOWN:
	causeAsText = "C_SHUTDOWN";
	break;
	case C_HEARTBEAT_FAILED:
	causeAsText = "C_HEARTBEAT_FAILED";
	break;
	case C_SUBSYSTEM_CONNECT:
	causeAsText = "C_SUBSYSTEM_CONNECT";
	break;
	case C_LRM_OP_CALLBACK:
	causeAsText = "C_LRM_OP_CALLBACK";
	break;
	case C_LRM_MONITOR_CALLBACK:
	causeAsText = "C_LRM_MONITOR_CALLBACK";
	break;
	case C_CRMD_STATUS_CALLBACK:
	causeAsText = "C_CRMD_STATUS_CALLBACK";
	break;
	case C_HA_DISCONNECT:
	causeAsText = "C_HA_DISCONNECT";
	break;
	case C_FSA_INTERNAL:
	causeAsText = "C_FSA_INTERNAL";
	break;
	case C_ILLEGAL:
	causeAsText = "C_ILLEGAL";
	break;
	}

	if(causeAsText == NULL) {
	crm_err("Cause %d is unknown", cause);
	causeAsText = "<UNKNOWN_CAUSE>";
	}

	return causeAsText;
	}

	const char *
	fsa_action2string(long long action)
	{
	const char *actionAsText = NULL;

	switch(action){

	case A_NOTHING:
	actionAsText = "A_NOTHING";
	break;
	case A_ELECTION_START:
	actionAsText = "A_ELECTION_START";
	break;
	case A_DC_JOIN_FINAL:
	actionAsText = "A_DC_JOIN_FINAL";
	break;
	case A_READCONFIG:
	actionAsText = "A_READCONFIG";
	break;
	case O_RELEASE:
	actionAsText = "O_RELEASE";
	break;
	case A_STARTUP:
	actionAsText = "A_STARTUP";
	break;
	case A_STARTED:
	actionAsText = "A_STARTED";
	break;
	case A_HA_CONNECT:
	actionAsText = "A_HA_CONNECT";
	break;
	case A_HA_DISCONNECT:
	actionAsText = "A_HA_DISCONNECT";
	break;
	case A_LRM_CONNECT:
	actionAsText = "A_LRM_CONNECT";
	break;
	case A_LRM_EVENT:
	actionAsText = "A_LRM_EVENT";
	break;
	case A_LRM_INVOKE:
	actionAsText = "A_LRM_INVOKE";
	break;
	case A_LRM_DISCONNECT:
	actionAsText = "A_LRM_DISCONNECT";
	break;
	case A_CL_JOIN_QUERY:
	actionAsText = "A_CL_JOIN_QUERY";
	break;
	case A_DC_TIMER_STOP:
	actionAsText = "A_DC_TIMER_STOP";
	break;
	case A_DC_TIMER_START:
	actionAsText = "A_DC_TIMER_START";
	break;
	case A_INTEGRATE_TIMER_START:
	actionAsText = "A_INTEGRATE_TIMER_START";
	break;
	case A_INTEGRATE_TIMER_STOP:
	actionAsText = "A_INTEGRATE_TIMER_STOP";
	break;
	case A_FINALIZE_TIMER_START:
	actionAsText = "A_FINALIZE_TIMER_START";
	break;
	case A_FINALIZE_TIMER_STOP:
	actionAsText = "A_FINALIZE_TIMER_STOP";
	break;
	case A_ELECTION_COUNT:
	actionAsText = "A_ELECTION_COUNT";
	break;
	case A_ELECTION_VOTE:
	actionAsText = "A_ELECTION_VOTE";
	break;
	case A_ELECTION_CHECK:
	actionAsText = "A_ELECTION_CHECK";
	break;
	case A_CL_JOIN_ANNOUNCE:
	actionAsText = "A_CL_JOIN_ANNOUNCE";
	break;
	case A_CL_JOIN_REQUEST:
	actionAsText = "A_CL_JOIN_REQUEST";
	break;
	case A_CL_JOIN_RESULT:
	actionAsText = "A_CL_JOIN_RESULT";
	break;
	case A_DC_JOIN_OFFER_ALL:
	actionAsText = "A_DC_JOIN_OFFER_ALL";
	break;
	case A_DC_JOIN_OFFER_ONE:
	actionAsText = "A_DC_JOIN_OFFER_ONE";
	break;
	case A_DC_JOIN_PROCESS_REQ:
	actionAsText = "A_DC_JOIN_PROCESS_REQ";
	break;
	case A_DC_JOIN_PROCESS_ACK:
	actionAsText = "A_DC_JOIN_PROCESS_ACK";
	break;
	case A_DC_JOIN_FINALIZE:
	actionAsText = "A_DC_JOIN_FINALIZE";
	break;
	case A_MSG_PROCESS:
	actionAsText = "A_MSG_PROCESS";
	break;
	case A_MSG_ROUTE:
	actionAsText = "A_MSG_ROUTE";
	break;
	case A_RECOVER:
	actionAsText = "A_RECOVER";
	break;
	case A_DC_RELEASE:
	actionAsText = "A_DC_RELEASE";
	break;
	case A_DC_RELEASED:
	actionAsText = "A_DC_RELEASED";
	break;
	case A_DC_TAKEOVER:
	actionAsText = "A_DC_TAKEOVER";
	break;
	case A_SHUTDOWN:
	actionAsText = "A_SHUTDOWN";
	break;
	case A_SHUTDOWN_REQ:
	actionAsText = "A_SHUTDOWN_REQ";
	break;
	case A_STOP:
	actionAsText = "A_STOP ";
	break;
	case A_EXIT_0:
	actionAsText = "A_EXIT_0";
	break;
	case A_EXIT_1:
	actionAsText = "A_EXIT_1";
	break;
	case A_CCM_CONNECT:
	actionAsText = "A_CCM_CONNECT";
	break;
	case A_CCM_DISCONNECT:
	actionAsText = "A_CCM_DISCONNECT";
	break;
	case O_CIB_RESTART:
	actionAsText = "O_CIB_RESTART";
	break;
	case A_CIB_START:
	actionAsText = "A_CIB_START";
	break;
	case A_CIB_STOP:
	actionAsText = "A_CIB_STOP";
	break;
	case A_TE_INVOKE:
	actionAsText = "A_TE_INVOKE";
	break;
	case O_TE_RESTART:
	actionAsText = "O_TE_RESTART";
	break;
	case A_TE_START:
	actionAsText = "A_TE_START";
	break;
	case A_TE_STOP:
	actionAsText = "A_TE_STOP";
	break;
	case A_TE_HALT:
	actionAsText = "A_TE_HALT";
	break;
	case A_TE_CANCEL:
	actionAsText = "A_TE_CANCEL";
	break;
	case A_PE_INVOKE:
	actionAsText = "A_PE_INVOKE";
	break;
	case O_PE_RESTART:
	actionAsText = "O_PE_RESTART";
	break;
	case A_PE_START:
	actionAsText = "A_PE_START";
	break;
	case A_PE_STOP:
	actionAsText = "A_PE_STOP";
	break;
	case A_NODE_BLOCK:
	actionAsText = "A_NODE_BLOCK";
	break;
	case A_UPDATE_NODESTATUS:
	actionAsText = "A_UPDATE_NODESTATUS";
	break;
	case A_LOG:
	actionAsText = "A_LOG ";
	break;
	case A_ERROR:
	actionAsText = "A_ERROR ";
	break;
	case A_WARN:
	actionAsText = "A_WARN ";
	break;
	}

	if(actionAsText == NULL) {
	crm_err("Action %.16llx is unknown", action);
	actionAsText = "<UNKNOWN_ACTION>";
	}

	return actionAsText;
	}



	void
	fsa_dump_inputs(int log_level, const char *text, long long input_register)
	{
	if(input_register == A_NOTHING) {
	return;
	}
	if(text == NULL) {
	text = "Input register contents:";
	}

	if(is_set(input_register, R_THE_DC)) {
	do_crm_log_unlikely(log_level,
	"%s %.16llx (R_THE_DC)", text, R_THE_DC);
	}
	if(is_set(input_register, R_STARTING)) {
	do_crm_log_unlikely(log_level, "%s %.16llx (R_STARTING)",
	text, R_STARTING);
	}
	if(is_set(input_register, R_SHUTDOWN)) {
	do_crm_log_unlikely(log_level, "%s %.16llx (R_SHUTDOWN)",
	text, R_SHUTDOWN);
	}
	if(is_set(input_register, R_STAYDOWN)) {
	do_crm_log_unlikely(log_level, "%s %.16llx (R_STAYDOWN)",
	text, R_STAYDOWN);
	}
	if(is_set(input_register, R_JOIN_OK)) {
	do_crm_log_unlikely(log_level, "%s %.16llx (R_JOIN_OK)",
	text, R_JOIN_OK);
	}
	if(is_set(input_register, R_READ_CONFIG)) {
	do_crm_log_unlikely(log_level, "%s %.16llx (R_READ_CONFIG)",
	text, R_READ_CONFIG);
	}
	if(is_set(input_register, R_INVOKE_PE)) {
	do_crm_log_unlikely(log_level, "%s %.16llx (R_INVOKE_PE)",
	text, R_INVOKE_PE);
	}
	if(is_set(input_register, R_CIB_CONNECTED)) {
	do_crm_log_unlikely(log_level, "%s %.16llx (R_CIB_CONNECTED)",
	text, R_CIB_CONNECTED);
	}
	if(is_set(input_register, R_PE_CONNECTED)) {
	do_crm_log_unlikely(log_level, "%s %.16llx (R_PE_CONNECTED)",
	text, R_PE_CONNECTED);
	}
	if(is_set(input_register, R_TE_CONNECTED)) {
	do_crm_log_unlikely(log_level, "%s %.16llx (R_TE_CONNECTED)",
	text, R_TE_CONNECTED);
	}
	if(is_set(input_register, R_LRM_CONNECTED)) {
	do_crm_log_unlikely(log_level, "%s %.16llx (R_LRM_CONNECTED)",
	text, R_LRM_CONNECTED);
	}
	if(is_set(input_register, R_CIB_REQUIRED)) {
	do_crm_log_unlikely(log_level, "%s %.16llx (R_CIB_REQUIRED)",
	text, R_CIB_REQUIRED);
	}
	if(is_set(input_register, R_PE_REQUIRED)) {
	do_crm_log_unlikely(log_level, "%s %.16llx (R_PE_REQUIRED)",
	text, R_PE_REQUIRED);
	}
	if(is_set(input_register, R_TE_REQUIRED)) {
	do_crm_log_unlikely(log_level, "%s %.16llx (R_TE_REQUIRED)",
	text, R_TE_REQUIRED);
	}
	if(is_set(input_register, R_REQ_PEND)) {
	do_crm_log_unlikely(log_level, "%s %.16llx (R_REQ_PEND)",
	text, R_REQ_PEND);
	}
	if(is_set(input_register, R_PE_PEND)) {
	do_crm_log_unlikely(log_level, "%s %.16llx (R_PE_PEND)",
	text, R_PE_PEND);
	}
	if(is_set(input_register, R_TE_PEND)) {
	do_crm_log_unlikely(log_level, "%s %.16llx (R_TE_PEND)",
	text, R_TE_PEND);
	}
	if(is_set(input_register, R_RESP_PEND)) {
	do_crm_log_unlikely(log_level, "%s %.16llx (R_RESP_PEND)",
	text, R_RESP_PEND);
	}
	if(is_set(input_register, R_CIB_DONE)) {
	do_crm_log_unlikely(log_level, "%s %.16llx (R_CIB_DONE)",
	text, R_CIB_DONE);
	}
	if(is_set(input_register, R_HAVE_CIB)) {
	do_crm_log_unlikely(log_level, "%s %.16llx (R_HAVE_CIB)",
	text, R_HAVE_CIB);
	}
	if(is_set(input_register, R_CIB_ASKED)) {
	do_crm_log_unlikely(log_level, "%s %.16llx (R_CIB_ASKED)",
	text, R_CIB_ASKED);
	}
	if(is_set(input_register, R_CCM_DATA)) {
	do_crm_log_unlikely(log_level, "%s %.16llx (R_CCM_DATA)",
	text, R_CCM_DATA);
	}
	if(is_set(input_register, R_PEER_DATA)) {
	do_crm_log_unlikely(log_level, "%s %.16llx (R_PEER_DATA)",
	text, R_PEER_DATA);
	}
	if(is_set(input_register, R_IN_RECOVERY)) {
	do_crm_log_unlikely(log_level, "%s %.16llx (R_IN_RECOVERY)",
	text, R_IN_RECOVERY);
	}
	}

	void
	fsa_dump_actions(long long action, const char *text)
	{
	int log_level = LOG_DEBUG_3;

	if(is_set(action, A_READCONFIG)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_READCONFIG) %s", A_READCONFIG, text);
	}
	if(is_set(action, A_STARTUP)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_STARTUP) %s", A_STARTUP, text);
	}
	if(is_set(action, A_STARTED)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_STARTED) %s", A_STARTED, text);
	}
	if(is_set(action, A_HA_CONNECT)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_CONNECT) %s", A_HA_CONNECT, text);
	}
	if(is_set(action, A_HA_DISCONNECT)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_DISCONNECT) %s",
	A_HA_DISCONNECT, text);
	}
	if(is_set(action, A_LRM_CONNECT)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_LRM_CONNECT) %s",
	A_LRM_CONNECT, text);
	}
	if(is_set(action, A_LRM_EVENT)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_LRM_EVENT) %s",
	A_LRM_EVENT, text);
	}
	if(is_set(action, A_LRM_INVOKE)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_LRM_INVOKE) %s",
	A_LRM_INVOKE, text);
	}
	if(is_set(action, A_LRM_DISCONNECT)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_LRM_DISCONNECT) %s",
	A_LRM_DISCONNECT, text);
	}
	if(is_set(action, A_DC_TIMER_STOP)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_DC_TIMER_STOP) %s",
	A_DC_TIMER_STOP, text);
	}
	if(is_set(action, A_DC_TIMER_START)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_DC_TIMER_START) %s",
	A_DC_TIMER_START, text);
	}
	if(is_set(action, A_INTEGRATE_TIMER_START)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_INTEGRATE_TIMER_START) %s",
	A_INTEGRATE_TIMER_START, text);
	}
	if(is_set(action, A_INTEGRATE_TIMER_STOP)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_INTEGRATE_TIMER_STOP) %s",
	A_INTEGRATE_TIMER_STOP, text);
	}
	if(is_set(action, A_FINALIZE_TIMER_START)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_FINALIZE_TIMER_START) %s",
	A_FINALIZE_TIMER_START, text);
	}
	if(is_set(action, A_FINALIZE_TIMER_STOP)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_FINALIZE_TIMER_STOP) %s",
	A_FINALIZE_TIMER_STOP, text);
	}
	if(is_set(action, A_ELECTION_COUNT)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_ELECTION_COUNT) %s",
	A_ELECTION_COUNT, text);
	}
	if(is_set(action, A_ELECTION_VOTE)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_ELECTION_VOTE) %s",
	A_ELECTION_VOTE, text);
	}
	if(is_set(action, A_ELECTION_CHECK)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_ELECTION_CHECK) %s",
	A_ELECTION_CHECK, text);
	}
	if(is_set(action, A_CL_JOIN_ANNOUNCE)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_CL_JOIN_ANNOUNCE) %s",
	A_CL_JOIN_ANNOUNCE, text);
	}
	if(is_set(action, A_CL_JOIN_REQUEST)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_CL_JOIN_REQUEST) %s",
	A_CL_JOIN_REQUEST, text);
	}
	if(is_set(action, A_CL_JOIN_RESULT)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_CL_JOIN_RESULT) %s",
	A_CL_JOIN_RESULT, text);
	}
	if(is_set(action, A_DC_JOIN_OFFER_ALL)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_DC_JOIN_OFFER_ALL) %s",
	A_DC_JOIN_OFFER_ALL, text);
	}
	if(is_set(action, A_DC_JOIN_OFFER_ONE)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_DC_JOIN_OFFER_ONE) %s",
	A_DC_JOIN_OFFER_ONE, text);
	}
	if(is_set(action, A_DC_JOIN_PROCESS_REQ)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_DC_JOIN_PROCESS_REQ) %s",
	A_DC_JOIN_PROCESS_REQ, text);
	}
	if(is_set(action, A_DC_JOIN_PROCESS_ACK)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_DC_JOIN_PROCESS_ACK) %s",
	A_DC_JOIN_PROCESS_ACK, text);
	}
	if(is_set(action, A_DC_JOIN_FINALIZE)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_DC_JOIN_FINALIZE) %s",
	A_DC_JOIN_FINALIZE, text);
	}
	if(is_set(action, A_MSG_PROCESS)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_MSG_PROCESS) %s",
	A_MSG_PROCESS, text);
	}
	if(is_set(action, A_MSG_ROUTE)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_MSG_ROUTE) %s",
	A_MSG_ROUTE, text);
	}
	if(is_set(action, A_RECOVER)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_RECOVER) %s",
	A_RECOVER, text);
	}
	if(is_set(action, A_DC_RELEASE)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_DC_RELEASE) %s",
	A_DC_RELEASE, text);
	}
	if(is_set(action, A_DC_RELEASED)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_DC_RELEASED) %s",
	A_DC_RELEASED, text);
	}
	if(is_set(action, A_DC_TAKEOVER)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_DC_TAKEOVER) %s",
	A_DC_TAKEOVER, text);
	}
	if(is_set(action, A_SHUTDOWN)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_SHUTDOWN) %s", A_SHUTDOWN, text);
	}
	if(is_set(action, A_SHUTDOWN_REQ)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_SHUTDOWN_REQ) %s",
	A_SHUTDOWN_REQ, text);
	}
	if(is_set(action, A_STOP)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_STOP ) %s", A_STOP , text);
	}
	if(is_set(action, A_EXIT_0)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_EXIT_0) %s", A_EXIT_0, text);
	}
	if(is_set(action, A_EXIT_1)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_EXIT_1) %s", A_EXIT_1, text);
	}
	if(is_set(action, A_CCM_CONNECT)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_CCM_CONNECT) %s",
	A_CCM_CONNECT, text);
	}
	if(is_set(action, A_CCM_DISCONNECT)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_CCM_DISCONNECT) %s",
	A_CCM_DISCONNECT, text);
	}
	if(is_set(action, A_CIB_START)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_CIB_START) %s",
	A_CIB_START, text);
	}
	if(is_set(action, A_CIB_STOP)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_CIB_STOP) %s", A_CIB_STOP, text);
	}
	if(is_set(action, A_TE_INVOKE)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_TE_INVOKE) %s", A_TE_INVOKE, text);
	}
	if(is_set(action, A_TE_START)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_TE_START) %s",
	A_TE_START, text);
	}
	if(is_set(action, A_TE_STOP)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_TE_STOP) %s", A_TE_STOP, text);
	}
	if(is_set(action, A_TE_CANCEL)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_TE_CANCEL) %s",
	A_TE_CANCEL, text);
	}
	if(is_set(action, A_PE_INVOKE)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_PE_INVOKE) %s",
	A_PE_INVOKE, text);
	}
	if(is_set(action, A_PE_START)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_PE_START) %s", A_PE_START, text);
	}
	if(is_set(action, A_PE_STOP)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_PE_STOP) %s", A_PE_STOP, text);
	}
	if(is_set(action, A_NODE_BLOCK)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_NODE_BLOCK) %s",
	A_NODE_BLOCK, text);
	}
	if(is_set(action, A_UPDATE_NODESTATUS)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_UPDATE_NODESTATUS) %s",
	A_UPDATE_NODESTATUS, text);
	}
	if(is_set(action, A_LOG)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_LOG ) %s", A_LOG, text);
	}
	if(is_set(action, A_ERROR)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_ERROR ) %s", A_ERROR, text);
	}
	if(is_set(action, A_WARN)) {
	do_crm_log_unlikely(log_level,
	"Action %.16llx (A_WARN ) %s", A_WARN, text);
	}
	}


	void
	create_node_entry(const char uuid, const char uname, const char *type)
	{

	/* make sure a node entry exists for the new node
	*
	* this will add anyone except the first ever node in the cluster
	* since it will also be the DC which doesnt go through the
	* join process (with itself). We can include a special case
	* later if desired.
	*/
	xmlNode *tmp1 = create_xml_node(NULL, XML_CIB_TAG_NODE);

	crm_debug_3("Creating node entry for %s", uname);
	set_uuid(tmp1, XML_ATTR_UUID, uname);

	crm_xml_add(tmp1, XML_ATTR_UNAME, uname);
	crm_xml_add(tmp1, XML_ATTR_TYPE, type);

	fsa_cib_anon_update(XML_CIB_TAG_NODES, tmp1,
	cib_scope_local\|cib_quorum_override\|cib_can_create);

	free_xml(tmp1);

	}

	xmlNode*
	create_node_state(
	const char uname, const char ha_state, const char *ccm_state,
	const char crmd_state, const char join_state, const char *exp_state,
	gboolean clear_shutdown, const char *src)
	{
	xmlNode *node_state = create_xml_node(NULL, XML_CIB_TAG_STATE);

	crm_debug_2("%s Creating node state entry for %s", src, uname);
	set_uuid(node_state, XML_ATTR_UUID, uname);

	if(crm_element_value(node_state, XML_ATTR_UUID) == NULL) {
	crm_debug("Node %s is not a cluster member", uname);
	free_xml(node_state);
	return NULL;
	}

	crm_xml_add(node_state, XML_ATTR_UNAME, uname);
	crm_xml_add(node_state, XML_CIB_ATTR_HASTATE, ha_state);
	crm_xml_add(node_state, XML_CIB_ATTR_INCCM, ccm_state);
	crm_xml_add(node_state, XML_CIB_ATTR_CRMDSTATE, crmd_state);
	crm_xml_add(node_state, XML_CIB_ATTR_JOINSTATE, join_state);
	crm_xml_add(node_state, XML_CIB_ATTR_EXPSTATE, exp_state);
	crm_xml_add(node_state, XML_ATTR_ORIGIN, src);

	if(clear_shutdown) {
	crm_xml_add(node_state, XML_CIB_ATTR_SHUTDOWN, "0");
	#if CRM_DEPRECATED_SINCE_2_0_3
	crm_xml_add(node_state, "clear_shutdown", "true");
	#endif
	}



	crm_log_xml_debug_3(node_state, "created");

	return node_state;
	}

	extern GHashTable *ipc_clients;

	void
	process_client_disconnect(crmd_client_t *curr_client)
	{
	struct crm_subsystem_s *the_subsystem = NULL;

	CRM_CHECK(curr_client != NULL, return);
	crm_debug_2("received HUP from %s", curr_client->table_key);

	if (curr_client->sub_sys == NULL) {
	crm_debug_2("Client hadn't registered with us yet");

	} else if (strcasecmp(CRM_SYSTEM_PENGINE, curr_client->sub_sys) == 0) {
	the_subsystem = pe_subsystem;

	} else if (strcasecmp(CRM_SYSTEM_TENGINE, curr_client->sub_sys) == 0) {
	the_subsystem = te_subsystem;

	} else if (strcasecmp(CRM_SYSTEM_CIB, curr_client->sub_sys) == 0){
	the_subsystem = cib_subsystem;
	}

	if(the_subsystem != NULL) {
	the_subsystem->ipc = NULL;
	the_subsystem->client = NULL;
	crm_info("Received HUP from %s:[%d]",
	the_subsystem->name, the_subsystem->pid);

	} else {
	/* else that was a transient client */
	crm_debug_2("Received HUP from transient client");
	}

	if (curr_client->table_key != NULL) {
	/*
	* Key is destroyed below as:
	* curr_client->table_key
	* Value is cleaned up by:
	* crmd_ipc_connection_destroy
	* which will also call:
	* G_main_del_IPC_Channel
	*/
	g_hash_table_remove(ipc_clients, curr_client->table_key);
	}
	}

	void update_dc(xmlNode *msg, gboolean assert_same)
	{
	char *last_dc = fsa_our_dc;
	const char *dc_version = NULL;
	const char *welcome_from = NULL;

	if(msg != NULL) {
	dc_version = crm_element_value(msg, F_CRM_VERSION);
	welcome_from = crm_element_value(msg, F_CRM_HOST_FROM);

	CRM_CHECK(dc_version != NULL, return);
	CRM_CHECK(welcome_from != NULL, return);

	if(AM_I_DC && safe_str_neq(welcome_from, fsa_our_uname)) {
	crm_warn("Not updating DC to %s (%s): we are also a DC",
	welcome_from, dc_version);
	return;
	}

	if(assert_same) {
	CRM_CHECK(fsa_our_dc != NULL, ;);
	CRM_CHECK(safe_str_eq(fsa_our_dc, welcome_from), ;);
	}
	}

	crm_free(fsa_our_dc_version);
	fsa_our_dc_version = NULL;
	fsa_our_dc = NULL;

	if(welcome_from != NULL) {
	fsa_our_dc = crm_strdup(welcome_from);
	}
	if(dc_version != NULL) {
	fsa_our_dc_version = crm_strdup(dc_version);
	}

	if(fsa_our_dc != NULL) {
	crm_info("Set DC to %s (%s)",
	crm_str(fsa_our_dc), crm_str(fsa_our_dc_version));

	} else if(last_dc != NULL) {
	crm_info("Unset DC %s", crm_str(last_dc));
	}

	crm_free(last_dc);
	}

	#define STATUS_PATH_MAX 512

	void erase_status_tag(const char uname, const char tag)
	{
	char xpath[STATUS_PATH_MAX];
	int cib_opts = cib_scope_local\|cib_quorum_override\|cib_xpath;

	if(fsa_cib_conn && uname) {
	snprintf(xpath, STATUS_PATH_MAX, "//node_state[@uname='%s']/%s", uname, tag);
	crm_info("Erasing %s", xpath);
	fsa_cib_conn->cmds->delete(fsa_cib_conn, xpath, NULL, cib_opts);
	}
	}

	void
	update_attrd(const char host, const char name, const char *value)
	{
	static IPC_Channel *attrd = NULL;
	const char *type = "refresh";
	gboolean rc = FALSE;

	if(attrd == NULL) {
	crm_debug("Connecting to attrd...");
	attrd = init_client_ipc_comms_nodispatch(T_ATTRD);
	}

	if(attrd != NULL) {
	xmlNode *update = create_xml_node(NULL, __FUNCTION__);
	crm_xml_add(update, F_TYPE, T_ATTRD);
	crm_xml_add(update, F_ORIG, crm_system_name);

	if(name != NULL) {
	type = "update";
	crm_xml_add(update, F_ATTRD_SECTION, XML_CIB_TAG_STATUS);
	crm_xml_add(update, F_ATTRD_ATTRIBUTE, name);
	if(value != NULL) {
	crm_xml_add(update, F_ATTRD_VALUE, value);
	}
	if(host != NULL) {
	crm_xml_add(update, F_ATTRD_HOST, host);
	}
	crm_info("Updating %s=%s via %s", name, value?"<none>":value, T_ATTRD);
	}

	crm_xml_add(update, F_ATTRD_TASK, type);

	rc = send_ipc_message(attrd, update);
	free_xml(update);

	} else {
	crm_warn("Could not connect to %s", T_ATTRD);
	}

	if(rc == FALSE) {
	crm_err("Could not send %s %s", T_ATTRD, type);
	}

	}

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