319 lines
11 KiB
C
Executable File
319 lines
11 KiB
C
Executable File
/*
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* Copyright (c) 2013-2016, Wind River Systems, Inc.
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*
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* Redistribution and use in source and binary forms, with or without modification, are
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* permitted provided that the following conditions are met:
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*
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* 1) Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2) Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution.
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*
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* 3) Neither the name of Wind River Systems nor the names of its contributors may be
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* used to endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "guest_heartbeat.h"
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#include <stdlib.h>
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#include <string.h>
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#include "guest_types.h"
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#include "guest_debug.h"
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#include "guest_timer.h"
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#include "guest_heartbeat_config.h"
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#include "guest_heartbeat_msg.h"
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#include "guest_heartbeat_fsm.h"
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#include "guest_heartbeat_health_script.h"
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#include "guest_heartbeat_event_script.h"
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#include "guest_heartbeat_mgmt_api.h"
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static GuestTimerIdT _release_timer_id = GUEST_TIMER_ID_INVALID;
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// ****************************************************************************
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// Guest Heartbeat - Release
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// =========================
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static bool guest_heartbeat_release(GuestTimerIdT timer_id)
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{
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GuestErrorT error;
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error = guest_heartbeat_fsm_event_handler(GUEST_HEARTBEAT_FSM_RELEASE,
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NULL);
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if (GUEST_OKAY != error)
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{
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DPRINTFE("Failed to handle release event, error=%s.",
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guest_error_str(error));
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return true;
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}
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return false; // don't rearm
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}
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// ****************************************************************************
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// ****************************************************************************
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// Guest Heartbeat - Channel State Change
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// ======================================
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static void guest_heartbeat_channel_state_change( bool state )
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{
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GuestErrorT error;
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if (state)
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{
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error = guest_heartbeat_fsm_event_handler(
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GUEST_HEARTBEAT_FSM_CHANNEL_UP, NULL);
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if (GUEST_OKAY != error)
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{
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DPRINTFE("Failed to handle channel up event, error=%s.",
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guest_error_str(error));
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return;
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}
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} else {
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error = guest_heartbeat_fsm_event_handler(
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GUEST_HEARTBEAT_FSM_CHANNEL_DOWN, NULL);
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if (GUEST_OKAY != error)
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{
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DPRINTFE("Failed to handle channel down event, error=%s.",
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guest_error_str(error));
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return;
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}
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}
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}
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// ****************************************************************************
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// ****************************************************************************
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// Guest Heartbeat - Receive Init Ack Message
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// ==========================================
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static void guest_heartbeat_recv_init_ack_msg( int invocation_id )
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{
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void* event_data[] = {&invocation_id};
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GuestErrorT error;
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error = guest_heartbeat_fsm_event_handler(GUEST_HEARTBEAT_FSM_INIT_ACK,
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event_data);
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if (GUEST_OKAY != error)
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{
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DPRINTFE("Failed to handle heartbeat-init-ack event, error=%s.",
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guest_error_str(error));
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return;
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}
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}
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// ****************************************************************************
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// ****************************************************************************
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// Guest Heartbeat - Receive Challenge Message
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// ===========================================
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static void guest_heartbeat_recv_challenge_msg( void )
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{
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GuestErrorT error;
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error = guest_heartbeat_fsm_event_handler(GUEST_HEARTBEAT_FSM_CHALLENGE,
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NULL);
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if (GUEST_OKAY != error)
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{
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DPRINTFE("Failed to handle heartbeat-challenge event, error=%s.",
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guest_error_str(error));
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return;
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}
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}
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// ****************************************************************************
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// ****************************************************************************
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// Guest Heartbeat - Receive Action Notify Message
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// ===============================================
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static void guest_heartbeat_recv_action_notify_msg(
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int invocation_id, GuestHeartbeatEventT event,
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GuestHeartbeatNotifyT notify, int timeout_ms)
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{
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void* event_data[] = {&invocation_id, &event, ¬ify, &timeout_ms};
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GuestHeartbeatFsmStateT state = guest_heartbeat_fsm_get_state();
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GuestErrorT error;
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if (GUEST_HEARTBEAT_FSM_ENABLED_STATE == state)
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{
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error = guest_heartbeat_fsm_event_handler(GUEST_HEARTBEAT_FSM_ACTION,
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event_data);
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if (GUEST_OKAY != error)
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{
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DPRINTFE("Failed to handle action notify for event %s, error=%s.",
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guest_heartbeat_event_str(event), guest_error_str(error));
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return;
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}
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} else {
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error = guest_heartbeat_msg_send_action_response(
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invocation_id, event, notify,
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GUEST_HEARTBEAT_VOTE_RESULT_COMPLETE, "");
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if (GUEST_OKAY != error)
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{
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DPRINTFE("Failed to send action response for event %s, error=%s.",
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guest_heartbeat_event_str(event), guest_error_str(error));
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return;
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}
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}
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}
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// ****************************************************************************
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// ****************************************************************************
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// Guest Heartbeat - Initialize
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// ============================
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GuestErrorT guest_heartbeat_initialize( char* comm_device )
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{
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GuestHeartbeatMsgCallbacksT callbacks;
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GuestErrorT error;
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_release_timer_id = GUEST_TIMER_ID_INVALID;
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error = guest_heartbeat_config_initialize();
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if (GUEST_OKAY != error)
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{
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DPRINTFE("Failed to initialize heartbeat configuration, error=%s.",
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guest_error_str(error));
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return error;
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}
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memset(&callbacks, 0, sizeof(callbacks));
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callbacks.channel_state_change = guest_heartbeat_channel_state_change;
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callbacks.recv_init_ack = guest_heartbeat_recv_init_ack_msg;
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callbacks.recv_challenge = guest_heartbeat_recv_challenge_msg;
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callbacks.recv_action_notify = guest_heartbeat_recv_action_notify_msg;
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error = guest_heartbeat_msg_initialize(comm_device, &callbacks);
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if (GUEST_OKAY != error)
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{
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DPRINTFE("Failed to initialize heartbeat messaging, error=%s.",
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guest_error_str(error));
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return error;
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}
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error = guest_heartbeat_fsm_initialize();
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if (GUEST_OKAY != error)
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{
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DPRINTFE("Failed to initialize heartbeat fsm, error=%s.",
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guest_error_str(error));
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return error;
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}
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error = guest_heartbeat_mgmt_api_initialize();
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if (GUEST_OKAY != error)
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{
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DPRINTFE("Failed to initialize heartbeat management api, error=%s.",
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guest_error_str(error));
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return error;
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}
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error = guest_heartbeat_health_script_initialize();
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if (GUEST_OKAY != error)
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{
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DPRINTFE("Failed to initialize heartbeat health script handling, "
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"error=%s.", guest_error_str(error));
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return error;
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}
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error = guest_heartbeat_event_script_initialize();
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if (GUEST_OKAY != error)
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{
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DPRINTFE("Failed to initialize heartbeat event script handling, "
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"error=%s.", guest_error_str(error));
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return error;
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}
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error = guest_timer_register(1000, guest_heartbeat_release,
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&_release_timer_id);
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if (GUEST_OKAY != error)
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{
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DPRINTFE("Failed to start release timer, error=%s.",
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guest_error_str(error));
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return error;
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}
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return GUEST_OKAY;
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}
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// ****************************************************************************
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// ****************************************************************************
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// Guest Heartbeat - Finalize
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// ==========================
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GuestErrorT guest_heartbeat_finalize( void )
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{
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GuestErrorT error;
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error = guest_heartbeat_fsm_event_handler(GUEST_HEARTBEAT_FSM_SHUTDOWN,
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NULL);
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if (GUEST_OKAY != error)
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{
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DPRINTFE("Failed to handle shutdown event, error=%s.",
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guest_error_str(error));
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}
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if (GUEST_TIMER_ID_INVALID != _release_timer_id)
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{
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error = guest_timer_deregister(_release_timer_id);
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if (GUEST_OKAY != error)
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{
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DPRINTFE("Failed to cancel release timer, error=%s.",
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guest_error_str(error));
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}
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_release_timer_id = GUEST_TIMER_ID_INVALID;
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}
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error = guest_heartbeat_event_script_finalize();
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if (GUEST_OKAY != error)
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{
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DPRINTFE("Failed to finalize heartbeat event script handling, "
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"error=%s.", guest_error_str(error));
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}
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error = guest_heartbeat_health_script_finalize();
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if (GUEST_OKAY != error)
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{
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DPRINTFE("Failed to finalize heartbeat health script handling, "
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"error=%s.", guest_error_str(error));
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}
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error = guest_heartbeat_mgmt_api_finalize();
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if (GUEST_OKAY != error)
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{
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DPRINTFE("Failed to finalize heartbeat management api, error=%s.",
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guest_error_str(error));
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}
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error = guest_heartbeat_fsm_finalize();
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if (GUEST_OKAY != error)
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{
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DPRINTFE("Failed to finalize heartbeat fsm, error=%s.",
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guest_error_str(error));
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}
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error = guest_heartbeat_msg_finalize();
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if (GUEST_OKAY != error)
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{
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DPRINTFE("Failed to finalize heartbeat messaging, error=%s.",
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guest_error_str(error));
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}
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error = guest_heartbeat_config_finalize();
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if (GUEST_OKAY != error)
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{
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DPRINTFE("Failed to finalize heartbeat configuration, error=%s.",
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guest_error_str(error));
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}
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return GUEST_OKAY;
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}
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// ****************************************************************************
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