339 lines
12 KiB
C
339 lines
12 KiB
C
//
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// Copyright (c) 2014 Wind River Systems, Inc.
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//
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// SPDX-License-Identifier: Apache-2.0
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//
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#include "sm_service_disabled_state.h"
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#include <stdio.h>
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#include <stdbool.h>
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#include <string.h>
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#include "sm_types.h"
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#include "sm_debug.h"
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#include "sm_timer.h"
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#include "sm_service_fsm.h"
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#include "sm_service_enable.h"
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#include "sm_service_disable.h"
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#include "sm_service_audit.h"
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#include "sm_service_heartbeat_api.h"
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// ****************************************************************************
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// Service Disabled State - Audit Timer
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// ====================================
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static bool sm_service_disabled_state_audit_timer( SmTimerIdT timer_id,
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int64_t user_data )
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{
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int64_t id = user_data;
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SmServiceT* service;
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SmErrorT error;
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service = sm_service_table_read_by_id( id );
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if( NULL == service )
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{
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DPRINTFE( "Failed to read service, error=%s.",
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sm_error_str(SM_NOT_FOUND) );
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return( true );
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}
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error = sm_service_fsm_event_handler( service->name,
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SM_SERVICE_EVENT_AUDIT, NULL,
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"periodic audit" );
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if( SM_OKAY != error )
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{
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DPRINTFE( "Failed to perform audit on service (%s), error=%s.",
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service->name, sm_error_str( error ) );
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return( true );
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}
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DPRINTFD( "Audit on service (%s) requested.", service->name );
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return( true );
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}
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// ****************************************************************************
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// ****************************************************************************
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// Service Disabled State - Entry
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// ==============================
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SmErrorT sm_service_disabled_state_entry( SmServiceT* service )
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{
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char timer_name[80] = "";
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int audit_interval;
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SmTimerIdT audit_timer_id;
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SmErrorT error;
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error = sm_service_fsm_process_failure_deregister( service );
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if( SM_OKAY != error )
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{
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DPRINTFE( "Failed to deregister for process failure for "
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"service (%s), error=%s.", service->name,
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sm_error_str( error ) );
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}
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if( service->audit_disabled_exists )
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{
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error = sm_service_audit_disabled_interval( service, &audit_interval );
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if( SM_OKAY != error )
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{
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DPRINTFE( "Failed to get service (%s) audit interval, error=%s.",
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service->name, sm_error_str( error ) );
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return( error );
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}
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snprintf( timer_name, sizeof(timer_name), "%s disabled audit",
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service->name );
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error = sm_timer_register( timer_name, audit_interval,
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sm_service_disabled_state_audit_timer,
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service->id, &audit_timer_id );
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if( SM_OKAY != error )
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{
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DPRINTFE( "Failed to create audit-disabled timer for service (%s), "
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"error=%s.", service->name, sm_error_str( error ) );
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return( error );
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}
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service->audit_timer_id = audit_timer_id;
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} else {
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DPRINTFI( "No audit for service (%s) exists.", service->name );
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}
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service->transition_fail_count = 0;
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return( SM_OKAY );
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}
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// ****************************************************************************
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// ****************************************************************************
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// Service Disabled State - Exit
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// =============================
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SmErrorT sm_service_disabled_state_exit( SmServiceT* service )
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{
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SmErrorT error;
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if( SM_SERVICE_ACTION_DISABLE == service->action_running )
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{
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error = sm_service_disable_abort( service );
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if( SM_OKAY != error )
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{
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DPRINTFE( "Failed to abort action (%s) of service (%s), error=%s.",
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sm_service_action_str( service->action_running ),
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service->name, sm_error_str( error ) );
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return( error );
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}
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}
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if( SM_SERVICE_ACTION_AUDIT_DISABLED == service->action_running )
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{
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error = sm_service_audit_disabled_abort( service );
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if( SM_OKAY != error )
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{
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DPRINTFE( "Failed to abort action (%s) of service (%s), error=%s.",
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sm_service_action_str( service->action_running ),
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service->name, sm_error_str( error ) );
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return( error );
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}
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}
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if( SM_TIMER_ID_INVALID != service->audit_timer_id )
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{
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error = sm_timer_deregister( service->audit_timer_id );
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if( SM_OKAY != error )
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{
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DPRINTFE( "Failed to cancel audit-disabled timer, error=%s.",
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sm_error_str( error ) );
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}
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service->audit_timer_id = SM_TIMER_ID_INVALID;
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}
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service->disable_check_dependency = true;
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service->disable_skip_dependent = false;
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service->transition_fail_count = 0;
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return( SM_OKAY );
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}
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// ****************************************************************************
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// ****************************************************************************
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// Service Disabled State - Transition
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// ===================================
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SmErrorT sm_service_disabled_state_transition( SmServiceT* service,
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SmServiceStateT from_state )
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{
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SmErrorT error;
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if(( SM_SERVICE_STATE_UNKNOWN == from_state )||
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( SM_SERVICE_STATE_DISABLING == from_state ))
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{
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service->disable_check_dependency = true;
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}
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if(service->disable_skip_dependent)
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{
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service->disable_check_dependency = false;
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}
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if ( !service->disable_check_dependency )
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{
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error = sm_service_disable( service );
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if( SM_OKAY != error )
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{
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DPRINTFE( "Failed to disable service (%s), error=%s",
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service->name, sm_error_str( error ) );
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return( error );
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}
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}
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return( SM_OKAY );
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}
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// ****************************************************************************
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// ****************************************************************************
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// Service Disabled State - Event Handler
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// ======================================
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SmErrorT sm_service_disabled_state_event_handler( SmServiceT* service,
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SmServiceEventT event, void* event_data[] )
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{
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SmServiceStateT state;
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SmErrorT error;
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switch( event )
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{
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case SM_SERVICE_EVENT_ENABLE_THROTTLE:
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if(( SM_SERVICE_ACTION_DISABLE != service->action_running )&&
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( service->fail_count < service->max_failures )&&
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( service->enable_action_exists ))
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{
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error = sm_service_fsm_set_state( service,
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SM_SERVICE_STATE_ENABLING_THROTTLE );
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if( SM_OKAY != error )
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{
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DPRINTFE( "Set state (%s) of service (%s) failed, error=%s.",
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sm_service_state_str( SM_SERVICE_STATE_ENABLING_THROTTLE ),
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service->name, sm_error_str( error ) );
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return( error );
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}
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} else if(( service->fail_count >= service->max_failures )&&
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( SM_SERVICE_STATUS_FAILED != service->status ))
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{
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service->status = SM_SERVICE_STATUS_FAILED;
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service->condition = SM_SERVICE_CONDITION_RECOVERY_FAILURE;
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DPRINTFI( "Service (%s) is failed and has reached max "
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"failures (%i).", service->name,
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service->max_failures );
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return( SM_OKAY );
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}
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break;
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case SM_SERVICE_EVENT_DISABLE_SUCCESS:
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DPRINTFI( "Service (%s) disable successfully completed.",
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service->name );
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break;
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case SM_SERVICE_EVENT_DISABLE_FAILED:
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case SM_SERVICE_EVENT_DISABLE_TIMEOUT:
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error = sm_service_fsm_set_state( service,
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SM_SERVICE_STATE_DISABLING );
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if( SM_OKAY != error )
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{
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DPRINTFE( "Failed to set service (%s) state (%s), "
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"error=%s.", service->name,
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sm_service_state_str( SM_SERVICE_STATE_DISABLING ),
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sm_error_str( error ) );
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return( error );
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}
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break;
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case SM_SERVICE_EVENT_AUDIT:
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error = sm_service_heartbeat_api_stop_heartbeat( service->name );
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if( SM_OKAY != error )
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{
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DPRINTFE( "Failed to stop service (%s) heartbeat, error=%s.",
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service->name, sm_error_str( error ) );
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}
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if(( SM_SERVICE_ACTION_DISABLE != service->action_running )&&
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( service->audit_disabled_exists ))
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{
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error = sm_service_audit_disabled( service );
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if( SM_OKAY != error )
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{
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DPRINTFE( "Failed to audit service (%s), error=%s",
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service->name, sm_error_str( error ) );
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return( error );
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}
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}
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break;
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case SM_SERVICE_EVENT_AUDIT_SUCCESS:
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DPRINTFD( "Service (%s) audit success.", service->name );
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break;
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case SM_SERVICE_EVENT_AUDIT_FAILED:
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DPRINTFD( "Service (%s) audit failed.", service->name );
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break;
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case SM_SERVICE_EVENT_AUDIT_TIMEOUT:
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DPRINTFD( "Service (%s) audit timeout.", service->name );
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break;
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case SM_SERVICE_EVENT_AUDIT_MISMATCH:
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state = *(SmServiceStateT*)
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event_data[SM_SERVICE_EVENT_DATA_STATE];
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DPRINTFI( "State mismatch for service (%s), expected=%s, "
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"result=%s.", service->name,
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sm_service_state_str(SM_SERVICE_STATE_DISABLED),
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sm_service_state_str(state) );
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error = sm_service_fsm_set_state( service, state );
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if( SM_OKAY != error )
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{
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DPRINTFE( "Failed to set service (%s) state (%s), error=%s.",
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service->name, sm_service_state_str( state ),
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sm_error_str( error ) );
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return( error );
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}
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break;
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case SM_SERVICE_EVENT_SHUTDOWN:
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error = sm_service_fsm_set_state( service,
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SM_SERVICE_STATE_SHUTDOWN );
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if( SM_OKAY != error )
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{
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DPRINTFE( "Failed to set service (%s) state (%s), error=%s.",
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service->name,
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sm_service_state_str(SM_SERVICE_STATE_SHUTDOWN),
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sm_error_str( error ) );
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return( error );
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}
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break;
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default:
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DPRINTFI( "Service (%s) ignoring event (%s).", service->name,
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sm_service_event_str( event ) );
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break;
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}
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return( SM_OKAY );
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}
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// ****************************************************************************
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// ****************************************************************************
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// Service Disabled State - Initialize
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// ===================================
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SmErrorT sm_service_disabled_state_initialize( void )
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{
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return( SM_OKAY );
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}
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// ****************************************************************************
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// ****************************************************************************
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// Service Disabled State - Finalize
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// =================================
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SmErrorT sm_service_disabled_state_finalize( void )
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{
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return( SM_OKAY );
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}
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// ****************************************************************************
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