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utils.c

/* 
 * 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>


/*    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("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";
                  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_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 A_CIB_BUMPGEN:
                  actionAsText = "A_CIB_BUMPGEN";
                  break;
            case A_CIB_INVOKE:
                  actionAsText = "A_CIB_INVOKE";
                  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(log_level,
                     "%s %.16llx (R_THE_DC)", text, R_THE_DC);
      }
      if(is_set(input_register, R_STARTING)) {
            do_crm_log(log_level, "%s %.16llx (R_STARTING)",
                        text, R_STARTING);
      }
      if(is_set(input_register, R_SHUTDOWN)) {
            do_crm_log(log_level, "%s %.16llx (R_SHUTDOWN)",
                        text, R_SHUTDOWN);
      }
      if(is_set(input_register, R_STAYDOWN)) {
            do_crm_log(log_level, "%s %.16llx (R_STAYDOWN)",
                        text, R_STAYDOWN);
      }
      if(is_set(input_register, R_JOIN_OK)) {
            do_crm_log(log_level, "%s %.16llx (R_JOIN_OK)",
                        text, R_JOIN_OK);
      }
      if(is_set(input_register, R_READ_CONFIG)) {
            do_crm_log(log_level, "%s %.16llx (R_READ_CONFIG)",
                        text, R_READ_CONFIG);
      }
      if(is_set(input_register, R_INVOKE_PE)) {
            do_crm_log(log_level, "%s %.16llx (R_INVOKE_PE)",
                        text, R_INVOKE_PE);
      }
      if(is_set(input_register, R_CIB_CONNECTED)) {
            do_crm_log(log_level, "%s %.16llx (R_CIB_CONNECTED)",
                        text, R_CIB_CONNECTED);
      }
      if(is_set(input_register, R_PE_CONNECTED)) {
            do_crm_log(log_level, "%s %.16llx (R_PE_CONNECTED)",
                        text, R_PE_CONNECTED);
      }
      if(is_set(input_register, R_TE_CONNECTED)) {
            do_crm_log(log_level, "%s %.16llx (R_TE_CONNECTED)",
                        text, R_TE_CONNECTED);
      }
      if(is_set(input_register, R_LRM_CONNECTED)) {
            do_crm_log(log_level, "%s %.16llx (R_LRM_CONNECTED)",
                        text, R_LRM_CONNECTED);
      }
      if(is_set(input_register, R_CIB_REQUIRED)) {
            do_crm_log(log_level, "%s %.16llx (R_CIB_REQUIRED)",
                        text, R_CIB_REQUIRED);
      }
      if(is_set(input_register, R_PE_REQUIRED)) {
            do_crm_log(log_level, "%s %.16llx (R_PE_REQUIRED)",
                        text, R_PE_REQUIRED);
      }
      if(is_set(input_register, R_TE_REQUIRED)) {
            do_crm_log(log_level, "%s %.16llx (R_TE_REQUIRED)",
                        text, R_TE_REQUIRED);
      }
      if(is_set(input_register, R_REQ_PEND)) {
            do_crm_log(log_level, "%s %.16llx (R_REQ_PEND)",
                        text, R_REQ_PEND);
      }
      if(is_set(input_register, R_PE_PEND)) {
            do_crm_log(log_level, "%s %.16llx (R_PE_PEND)",
                        text, R_PE_PEND);
      }
      if(is_set(input_register, R_TE_PEND)) {
            do_crm_log(log_level, "%s %.16llx (R_TE_PEND)",
                        text, R_TE_PEND);
      }
      if(is_set(input_register, R_RESP_PEND)) {
            do_crm_log(log_level, "%s %.16llx (R_RESP_PEND)",
                        text, R_RESP_PEND);
      }
      if(is_set(input_register, R_CIB_DONE)) {
            do_crm_log(log_level, "%s %.16llx (R_CIB_DONE)",
                        text, R_CIB_DONE);
      }
      if(is_set(input_register, R_HAVE_CIB)) {
            do_crm_log(log_level, "%s %.16llx (R_HAVE_CIB)",
                        text, R_HAVE_CIB);
      }
      if(is_set(input_register, R_CIB_ASKED)) {
            do_crm_log(log_level, "%s %.16llx (R_CIB_ASKED)",
                        text, R_CIB_ASKED);
      }
      if(is_set(input_register, R_CCM_DATA)) {
            do_crm_log(log_level, "%s %.16llx (R_CCM_DATA)",
                        text, R_CCM_DATA);
      }     
      if(is_set(input_register, R_PEER_DATA)) {
            do_crm_log(log_level, "%s %.16llx (R_PEER_DATA)",
                        text, R_PEER_DATA);
      }
      if(is_set(input_register, R_IN_RECOVERY)) {
            do_crm_log(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(log_level, 
                     "Action %.16llx (A_READCONFIG) %s", A_READCONFIG, text);
      }
      if(is_set(action, A_STARTUP)) {
            do_crm_log(log_level, 
                     "Action %.16llx (A_STARTUP) %s", A_STARTUP, text);
      }
      if(is_set(action, A_STARTED)) {
            do_crm_log(log_level, 
                     "Action %.16llx (A_STARTED) %s", A_STARTED, text);
      }
      if(is_set(action, A_HA_CONNECT)) {
            do_crm_log(log_level, 
                     "Action %.16llx (A_CONNECT) %s", A_HA_CONNECT, text);
      }
      if(is_set(action, A_HA_DISCONNECT)) {
            do_crm_log(log_level, 
                     "Action %.16llx (A_DISCONNECT) %s",
                    A_HA_DISCONNECT, text);
      }
      if(is_set(action, A_LRM_CONNECT)) {
            do_crm_log(log_level, 
                     "Action %.16llx (A_LRM_CONNECT) %s",
                    A_LRM_CONNECT, text);
      }
      if(is_set(action, A_LRM_EVENT)) {
            do_crm_log(log_level, 
                     "Action %.16llx (A_LRM_EVENT) %s",
                    A_LRM_EVENT, text);
      }
      if(is_set(action, A_LRM_INVOKE)) {
            do_crm_log(log_level, 
                     "Action %.16llx (A_LRM_INVOKE) %s",
                    A_LRM_INVOKE, text);
      }
      if(is_set(action, A_LRM_DISCONNECT)) {
            do_crm_log(log_level, 
                     "Action %.16llx (A_LRM_DISCONNECT) %s",
                    A_LRM_DISCONNECT, text);
      }
      if(is_set(action, A_DC_TIMER_STOP)) {
            do_crm_log(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(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(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(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(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(log_level, 
                     "Action %.16llx (A_FINALIZE_TIMER_STOP) %s",
                    A_FINALIZE_TIMER_STOP, text);
      }
      if(is_set(action, A_ELECTION_COUNT)) {
            do_crm_log(log_level, 
                     "Action %.16llx (A_ELECTION_COUNT) %s",
                    A_ELECTION_COUNT, text);
      }
      if(is_set(action, A_ELECTION_VOTE)) {
            do_crm_log(log_level, 
                     "Action %.16llx (A_ELECTION_VOTE) %s",
                    A_ELECTION_VOTE, text);
      }
      if(is_set(action, A_ELECTION_CHECK)) {
            do_crm_log(log_level, 
                     "Action %.16llx (A_ELECTION_CHECK) %s",
                    A_ELECTION_CHECK, text);
      }
      if(is_set(action, A_CL_JOIN_ANNOUNCE)) {
            do_crm_log(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(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(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(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(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(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(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(log_level, 
                     "Action %.16llx (A_DC_JOIN_FINALIZE) %s",
                    A_DC_JOIN_FINALIZE, text);
      }
      if(is_set(action, A_MSG_PROCESS)) {
            do_crm_log(log_level, 
                     "Action %.16llx (A_MSG_PROCESS) %s",
                    A_MSG_PROCESS, text);
      }
      if(is_set(action, A_MSG_ROUTE)) {
            do_crm_log(log_level, 
                     "Action %.16llx (A_MSG_ROUTE) %s",
                    A_MSG_ROUTE, text);
      }
      if(is_set(action, A_RECOVER)) {
            do_crm_log(log_level, 
                     "Action %.16llx (A_RECOVER) %s",
                    A_RECOVER, text);
      }
      if(is_set(action, A_DC_RELEASE)) {
            do_crm_log(log_level, 
                     "Action %.16llx (A_DC_RELEASE) %s",
                    A_DC_RELEASE, text);
      }
      if(is_set(action, A_DC_RELEASED)) {
            do_crm_log(log_level, 
                     "Action %.16llx (A_DC_RELEASED) %s",
                    A_DC_RELEASED, text);
      }
      if(is_set(action, A_DC_TAKEOVER)) {
            do_crm_log(log_level, 
                     "Action %.16llx (A_DC_TAKEOVER) %s",
                    A_DC_TAKEOVER, text);
      }
      if(is_set(action, A_SHUTDOWN)) {
            do_crm_log(log_level, 
                     "Action %.16llx (A_SHUTDOWN) %s", A_SHUTDOWN, text);
      }
      if(is_set(action, A_SHUTDOWN_REQ)) {
            do_crm_log(log_level, 
                     "Action %.16llx (A_SHUTDOWN_REQ) %s",
                    A_SHUTDOWN_REQ, text);
      }
      if(is_set(action, A_STOP)) {
            do_crm_log(log_level, 
                     "Action %.16llx (A_STOP  ) %s", A_STOP  , text);
      }
      if(is_set(action, A_EXIT_0)) {
            do_crm_log(log_level, 
                     "Action %.16llx (A_EXIT_0) %s", A_EXIT_0, text);
      }
      if(is_set(action, A_EXIT_1)) {
            do_crm_log(log_level, 
                     "Action %.16llx (A_EXIT_1) %s", A_EXIT_1, text);
      }
      if(is_set(action, A_CCM_CONNECT)) {
            do_crm_log(log_level, 
                     "Action %.16llx (A_CCM_CONNECT) %s",
                    A_CCM_CONNECT, text);
      }
      if(is_set(action, A_CCM_DISCONNECT)) {
            do_crm_log(log_level, 
                     "Action %.16llx (A_CCM_DISCONNECT) %s",
                    A_CCM_DISCONNECT, text);
      }
      if(is_set(action, A_CIB_BUMPGEN)) {
            do_crm_log(log_level, 
                     "Action %.16llx (A_CIB_BUMPGEN) %s",
                    A_CIB_BUMPGEN, text);
      }
      if(is_set(action, A_CIB_INVOKE)) {
            do_crm_log(log_level, 
                     "Action %.16llx (A_CIB_INVOKE) %s",
                    A_CIB_INVOKE, text);
      }
      if(is_set(action, A_CIB_START)) {
            do_crm_log(log_level, 
                     "Action %.16llx (A_CIB_START) %s",
                    A_CIB_START, text);
      }
      if(is_set(action, A_CIB_STOP)) {
            do_crm_log(log_level, 
                     "Action %.16llx (A_CIB_STOP) %s", A_CIB_STOP, text);
      }
      if(is_set(action, A_TE_INVOKE)) {
            do_crm_log(log_level, 
                     "Action %.16llx (A_TE_INVOKE) %s", A_TE_INVOKE, text);
      }
      if(is_set(action, A_TE_START)) {
            do_crm_log(log_level, 
                     "Action %.16llx (A_TE_START) %s",
                    A_TE_START, text);
      }
      if(is_set(action, A_TE_STOP)) {
            do_crm_log(log_level, 
                     "Action %.16llx (A_TE_STOP) %s", A_TE_STOP, text);
      }
      if(is_set(action, A_TE_CANCEL)) {
            do_crm_log(log_level, 
                     "Action %.16llx (A_TE_CANCEL) %s",
                    A_TE_CANCEL, text);
      }
      if(is_set(action, A_PE_INVOKE)) {
            do_crm_log(log_level, 
                     "Action %.16llx (A_PE_INVOKE) %s",
                    A_PE_INVOKE, text);
      }
      if(is_set(action, A_PE_START)) {
            do_crm_log(log_level, 
                     "Action %.16llx (A_PE_START) %s", A_PE_START, text);
      }
      if(is_set(action, A_PE_STOP)) {
            do_crm_log(log_level, 
                     "Action %.16llx (A_PE_STOP) %s", A_PE_STOP, text);
      }
      if(is_set(action, A_NODE_BLOCK)) {
            do_crm_log(log_level, 
                     "Action %.16llx (A_NODE_BLOCK) %s",
                    A_NODE_BLOCK, text);
      }
      if(is_set(action, A_UPDATE_NODESTATUS)) {
            do_crm_log(log_level, 
                     "Action %.16llx (A_UPDATE_NODESTATUS) %s",
                    A_UPDATE_NODESTATUS, text);
      }
      if(is_set(action, A_LOG)) {
            do_crm_log(log_level, 
                     "Action %.16llx (A_LOG   ) %s", A_LOG, text);
      }
      if(is_set(action, A_ERROR)) {
            do_crm_log(log_level, 
                     "Action %.16llx (A_ERROR ) %s", A_ERROR, text);
      }
      if(is_set(action, A_WARN)) {
            do_crm_log(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.
       */
      crm_data_t *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);

      free_xml(tmp1);
      
}

crm_data_t*
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)
{
      crm_data_t *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_xml_add(node_state, */
/*                    XML_CIB_ATTR_REPLACE, XML_TAG_TRANSIENT_NODEATTRS); */
      }
      
            
      
      crm_log_xml_debug_3(node_state, "created");

      return node_state;
}

gboolean
need_transition(enum crmd_fsa_state state)
{
      if(state == S_POLICY_ENGINE
         || state == S_TRANSITION_ENGINE
         || state == S_IDLE) {
            return TRUE;
      }
      return FALSE;
}

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(HA_Message *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 = cl_get_string(msg, F_CRM_VERSION);
            welcome_from = cl_get_string(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);
}

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