コード例 #1
0
/* Returns error (0 = no error, otherwise error occurred) */
extern int nmt_slave_send_heartbeat(co_node *node, uint32_t tick_count)
{
    int error = 0;
    // Check object dictionary to see if heartbeat is enabled and if so what is it's frequency
    // The value is found in OD index 0x1017, sub index 0, data type uint16
    uint32_t interval;
    od_result result = od_read(node->od, 0x1017, 0, &interval);
    if (result == OD_RESULT_OK)
    {
        if (interval != 0)
        {
            if (tick_count - previous_heartbeat_tick >= interval)
            {
                send_heartbeat(node);
                previous_heartbeat_tick = tick_count;
            }
        }
    }
    else
    {
        log_write_ln("nmt_slave: ERROR: reading heartbeat OD entry failed");
        error = 1;
    }
    return error;
}
コード例 #2
0
ファイル: heartbeat.cpp プロジェクト: jinesliang/GroupChat
void Heartbeat::init(std::string id)
{
	void* zmq_ctx = g_zmq_ctx.get_zmq_ctx();
	gate_ = zmq_socket(zmq_ctx, ZMQ_PAIR);
	if (zmq_connect(gate_, MAGIC_GATE))
	{
		zmq_strerror(errno);
	}

	myid_ = id;

	ios_ptr_ = &g_proactor.get_ios();

	udp_socket_.reset(new boost::asio::ip::udp::socket(*ios_ptr_));
	strand_.reset(new boost::asio::strand(*ios_ptr_));
	strand4peermap_.reset(new boost::asio::strand(*ios_ptr_));
	heartbeat_timer_.reset(new boost::asio::deadline_timer(*ios_ptr_, boost::posix_time::milliseconds(HEARTBEAT_INTERVAL)));

	broadcast_addr_ = boost::asio::ip::address_v4::broadcast();
	broadcast_ep_ = boost::asio::ip::udp::endpoint(broadcast_addr_, HEARTBEAT_PORT);

	udp_socket_->open(boost::asio::ip::udp::v4());
	boost::asio::ip::udp::socket::broadcast broadcast_option(true);
	boost::asio::ip::udp::socket::reuse_address reuse_option(true);
	boost::asio::ip::multicast::enable_loopback loopback_option(true);
	udp_socket_->set_option(reuse_option);
	udp_socket_->set_option(broadcast_option);
	udp_socket_->set_option(loopback_option);

	udp_socket_->bind(broadcast_ep_);

	strand_->post(boost::bind(&Heartbeat::start_receive, this));
	send_heartbeat();
}
コード例 #3
0
ファイル: heartbeat.c プロジェクト: elambert/honeycomb
static void 
sig_heartbeat(int signum)
{
    send_heartbeat(signum);
    check_heartbeat(signum);
    alarm(NODE_HEARTBEAT_INTERVAL);
}
コード例 #4
0
ファイル: heart.c プロジェクト: 0000-bigtree/zabbix
/******************************************************************************
 *                                                                            *
 * Function: main_heart_loop                                                  *
 *                                                                            *
 * Purpose: periodically send heartbeat message to the server                 *
 *                                                                            *
 * Parameters:                                                                *
 *                                                                            *
 * Return value:                                                              *
 *                                                                            *
 * Author: Alexander Vladishev                                                *
 *                                                                            *
 * Comments:                                                                  *
 *                                                                            *
 ******************************************************************************/
void	main_heart_loop(void)
{
	int	start, sleeptime = 0, res;
	double	sec, total_sec = 0.0, old_total_sec = 0.0;
	time_t	last_stat_time;

#define STAT_INTERVAL	5	/* if a process is busy and does not sleep then update status not faster than */
				/* once in STAT_INTERVAL seconds */

	last_stat_time = time(NULL);

	zbx_setproctitle("%s [sending heartbeat message]", get_process_type_string(process_type));

	for (;;)
	{
		if (0 != sleeptime)
		{
			zbx_setproctitle("%s [sending heartbeat message %s in " ZBX_FS_DBL " sec, "
					"sending heartbeat message]",
					get_process_type_string(process_type),
					SUCCEED == res ? "success" : "failed", old_total_sec);
		}

		start = time(NULL);
		sec = zbx_time();
		res = send_heartbeat();
		total_sec += zbx_time() - sec;

		sleeptime = CONFIG_HEARTBEAT_FREQUENCY - (time(NULL) - start);

		if (0 != sleeptime || STAT_INTERVAL <= time(NULL) - last_stat_time)
		{
			if (0 == sleeptime)
			{
				zbx_setproctitle("%s [sending heartbeat message %s in " ZBX_FS_DBL " sec, "
						"sending heartbeat message]",
						get_process_type_string(process_type),
						SUCCEED == res ? "success" : "failed", total_sec);

			}
			else
			{
				zbx_setproctitle("%s [sending heartbeat message %s in " ZBX_FS_DBL " sec, "
						"idle %d sec]",
						get_process_type_string(process_type),
						SUCCEED == res ? "success" : "failed", total_sec, sleeptime);

				old_total_sec = total_sec;
			}
			total_sec = 0.0;
			last_stat_time = time(NULL);
		}

		zbx_sleep_loop(sleeptime);
	}

#undef STAT_INTERVAL
}
コード例 #5
0
ファイル: app.c プロジェクト: jonasberglund/Embrace
void test_schedule(){
        int del = 60; // 1 min
        
        sleep(del*10);
        send_buzz();

        sleep(del*14);
        send_heartbeat();

        sleep(del*8);
        send_hug();

        sleep(del*14);
        send_heartbeat();

        sleep(del*20);
        send_hug();
}
コード例 #6
0
ファイル: raft.c プロジェクト: dyustc/searaft
static void heartbeat_timeout_callback(int fd, short event, void *arg) {
    struct server_context_t *s = (struct server_context_t *)arg;
    if(event & EV_TIMEOUT) {
        DBG_LOG(LOG_DEBUG, "[%s][%d] Heartbeat timeout occurred", ss[s->state], s->current_term);
        if(s->state == LEADER) {
            //heartbeat timout occured -- send empty append_entries
            send_heartbeat(s);
        }
    }
}
コード例 #7
0
ファイル: mavlink_mk_app.cpp プロジェクト: jgosmann/mavhub
void MAVLinkMKApp::handle_input(const mk_message_t& msg) {
	uint64_t tmp64 = message_time;
	message_time = get_time_us();
	log("MAVLinkMKApp got mk_message", static_cast<int>(msg.type), Logger::LOGLEVEL_DEBUG);

	//send heartbeat approx. after 1s
	delta_time += message_time - tmp64;
	if( delta_time > 1000000 ) {
		send_heartbeat();
		delta_time = 0;
	}

	//TODO: check coded
	//TODO: check size of msg

	switch(msg.type) {
		case MK_MSG_TYPE_DEBUGOUT:
			break;
		case MK_MSG_TYPE_EXT_CTRL: {
			mavlink_manual_control_t manual_control;
			copy(&manual_control, (mk_extern_control_t*)msg.data);
			Lock tx_mav_lock(tx_mav_mutex);
			mavlink_msg_manual_control_encode(system_id(),
				component_id,
				&tx_mav_msg,
				&manual_control);
			AppLayer<mavlink_message_t>::send(tx_mav_msg);
			break;
		}
		case MK_MSG_TYPE_COMPASS:
			break;
		case MK_MSG_TYPE_POLL_DEBUG:
			break;
		case MK_MSG_TYPE_ANGLE_OUT: {
			mavlink_debug_t debug;
			debug.ind = 0;
			mk_angles_t *mk_angles = (mk_angles_t*)msg.data;
			debug.value = ((float)mk_angles->pitch) / 10;
			Lock tx_mav_lock(tx_mav_mutex);
			mavlink_msg_debug_encode(system_id(),
				component_id,
				&tx_mav_msg,
				&debug);
			AppLayer<mavlink_message_t>::send(tx_mav_msg);
			break;
		}
		case MK_MSG_TYPE_MOTORTEST:
			break;
		case MK_MSG_TYPE_SETTING:
			break;
		default:
			break;
	}

}
コード例 #8
0
ファイル: app.c プロジェクト: jonasberglund/Embrace
void debug_schedule(){
        int del = 2; // 2 sek
        
        sleep(del);
        send_hug();

        sleep(del);
        send_heartbeat();

        sleep(del);
        send_buzz();
}
コード例 #9
0
ファイル: broker.cpp プロジェクト: Vin5/0broker
void broker_t::renew_recipients() {
    auto recipient_iterator = m_recipients.begin();
    while(recipient_iterator != m_recipients.end()) {
        recipient_ptr_t& recipient = recipient_iterator->second;
        if(recipient->expired() || recipient->disconnected()) {
            m_recipients.erase(recipient_iterator++);
        }
        else {
            send_heartbeat(recipient);
            ++recipient_iterator;
        }
    }
}
コード例 #10
0
ファイル: simplegcs.cpp プロジェクト: 1000000007/ardupilot
bool try_send_message(mavlink_channel_t chan, int msgid) {

    int payload_space = comm_get_txspace(chan) - MAVLINK_NUM_NON_PAYLOAD_BYTES;

    switch (msgid) {
    case MAVLINK_MSG_ID_HEARTBEAT:
        CHECK_PAYLOAD_SIZE(HEARTBEAT);
        send_heartbeat(chan);
        return true;
    default:
        return false;
    }
}
コード例 #11
0
ファイル: raft.c プロジェクト: dyustc/searaft
static void request_vote_cb(struct data_t *result, char *err, void *data) {
    struct server_context_t *s = (struct server_context_t *)data;
    if(err) {
        //what should we do with bysentine errors?
        //LOG: fatal error. TODO: exit?
        return;
    }
    if(s->state != CANDIDATE) {
        return;
    }
    struct request_vote_output_t *vote = get_request_vote_output(result);
    if(!vote) {
        log_fatal_and_exit(s, 
            "RequestVoteCallback: Response parsing failed");
        return;
    }
    int pair_vote = vote->vote_granted;
    uint64_t pair_term = vote->term;
    free(vote);
    if(pair_vote && pair_term == s->current_term
        && s->state == CANDIDATE) {
        s->current_votes++;
    } else {
        if(pair_term > s->current_term) {
            set_term(s, pair_term);
            s->voted_for = 0;
            save_state(s);
        }
        return;
    }

    int votes_needed = s->quoram_size/2 + 1;
    if(s->current_votes == votes_needed) {
        s->state = LEADER;
        s->current_leader = s->id;
        DBG_LOG(LOG_INFO, "[%s][%d] Server is elected as the leader", ss[s->state], s->current_term);
        save_state(s);
        //reset timer such that election timeout does not occur 
        //and heartbeat timeout occurs
        reset_timers(s, false, true);
        for(int i = 0; i < s->quoram_size - 1; i++) {
            if(s->last_entry) {
                s->next_index[i] = s->last_entry->index + 1;
            } else {
                s->next_index[i] = 1;
            }
            s->match_index[i] = 0;
        }
        send_heartbeat(s);
    }
}
コード例 #12
0
void Pixhawk_Interface::
heartbeat_thread()
{
	printf("hi134\n");
	int time = 0;
	while (1)
	{
		printf("h21afsfsi\n");
		mavlink_message_t msg;
		send_heartbeat(msg);

		printf("<3 time: %d ms\n", millis()-time);
		time = millis();
		delay(1000);
	}
}
コード例 #13
0
int Gate_Client_Messager::process_gate_block(int cid, int msg_id, Block_Buffer &buf) {
	int ret = 0;
	switch (msg_id) {
	case REQ_CONNECT_GATE: {
		connect_gate(cid, buf);
		break;
	}
	case REQ_SEND_HEARTBEAT: {
		send_heartbeat(cid, buf);
		break;
	}
	default:
		break;
	}
	return ret;
}
コード例 #14
0
/******************************************************************************
 *                                                                            *
 * Function: main_heart_loop                                                  *
 *                                                                            *
 * Purpose: periodically send heartbeat message to the server                 *
 *                                                                            *
 * Parameters:                                                                *
 *                                                                            *
 * Return value:                                                              *
 *                                                                            *
 * Author: Alexander Vladishev                                                *
 *                                                                            *
 * Comments:                                                                  *
 *                                                                            *
 ******************************************************************************/
void	main_heart_loop()
{
    int	start, sleeptime;

    zabbix_log(LOG_LEVEL_DEBUG, "In main_heart_loop()");

    for (;;)
    {
        start = time(NULL);

        zbx_setproctitle("%s [sending heartbeat message]", get_process_type_string(process_type));

        send_heartbeat();

        sleeptime = CONFIG_HEARTBEAT_FREQUENCY - (time(NULL) - start);

        zbx_sleep_loop(sleeptime);
    }
}
コード例 #15
0
void DropletCustomOne::change_state ( State new_state )
{
    state = new_state;
    switch ( state )
    {
    case COLLABORATING:
        set_rgb_led         ( 0, 0, 250 );
        collab_time         = get_32bit_time ();
        break;

    case LEAVING:
        set_rgb_led         ( 0, 250, 250 );
        move_duration       ( (last_move_dir + 3) % 6, WALKAWAY_TIME );

    case SAFE:
        set_rgb_led         ( 255, 255, 0 );
        break;

    case START_DELAY:
        start_delay_time    = get_32bit_time ();
        break;

    case WAITING:
        cancel_move         ();
        unique_ids.clear    ();
        set_rgb_led         ( 0, 255, 0 );

        // Clear out all messages in buffer first.
        while               ( check_for_new_messages() );
        heartbeat_time      = get_32bit_time ();
        voting_time         = get_32bit_time ();
        send_heartbeat      ();
        break;

    case SEARCHING:
    default:
        reset_rgb_led       ();
    }
}
コード例 #16
0
// try to send a message, return false if it won't fit in the serial tx buffer
static bool mavlink_try_send_message(mavlink_channel_t chan, enum ap_message id, uint16_t packet_drops)
{
    int16_t payload_space = serial_free();

    if (telemetry_delayed(chan)) {
        return false;
    }

    switch(id) {
      case MSG_HEARTBEAT:
        CHECK_PAYLOAD_SIZE(HEARTBEAT);
        send_heartbeat(chan);
        break;

      case MSG_ATTITUDE:
        CHECK_PAYLOAD_SIZE(ATTITUDE);
        send_attitude(chan);
        break;

      case MSG_LOCATION:
        CHECK_PAYLOAD_SIZE(GLOBAL_POSITION_INT);
        send_location(chan);
        break;
		
      case MSG_AHRS:
        CHECK_PAYLOAD_SIZE(AHRS);
        send_ahrs(chan);
        break;

      case MSG_STATUSTEXT:
        CHECK_PAYLOAD_SIZE(STATUSTEXT);
        send_statustext(chan);
        break;

		  default:
			  break;
    }
    return true;
}
コード例 #17
0
void MAVLinkMKHUCHApp::handle_input(const mkhuch_message_t& msg) {
	uint64_t last_mkhuch_msg_time = mkhuch_msg_time;
	mkhuch_msg_time = get_time_us();

	log("MAVLinkMKHUCHApp got mkhuch_message", static_cast<int>(msg.type), Logger::LOGLEVEL_DEBUG);

	//send heartbeat approx. after 1s
	heartbeat_time += mkhuch_msg_time - last_mkhuch_msg_time;
	if( heartbeat_time > 1000000 ) {
		send_heartbeat();
		heartbeat_time = 0;
	}

	switch(msg.type) {
		case MKHUCH_MSG_TYPE_MK_IMU: {
			const mkhuch_mk_imu_t *mk_imu = reinterpret_cast<const mkhuch_mk_imu_t*>(msg.data);
			mavlink_huch_imu_raw_adc_t imu_raw_adc;
			imu_raw_adc.xacc = mk_imu->x_adc_acc;
			imu_raw_adc.yacc = mk_imu->y_adc_acc;
			imu_raw_adc.zacc = mk_imu->z_adc_acc;
			imu_raw_adc.xgyro = mk_imu->x_adc_gyro;
			imu_raw_adc.ygyro = mk_imu->y_adc_gyro;
			imu_raw_adc.zgyro = mk_imu->z_adc_gyro;
			DataCenter::set_huch_imu_raw_adc(imu_raw_adc);
			Lock tx_lock(tx_mav_mutex);
			//forward raw ADC
			mavlink_msg_huch_imu_raw_adc_encode(system_id(),
				component_id,
				&tx_mav_msg,
				&imu_raw_adc
				);
			AppLayer<mavlink_message_t>::send(tx_mav_msg);
			//forward MK IMU
			//TODO: add compass value and baro
			mavlink_huch_mk_imu_t huch_mk_imu;
			huch_mk_imu.usec = mkhuch_msg_time;
			huch_mk_imu.xacc = (2500*mk_imu->x_acc)/1024; //convert normalized analog to mg
			huch_mk_imu.yacc = (2500*mk_imu->y_acc)/1024;
			huch_mk_imu.zacc = (2500*mk_imu->z_acc)/1024;
			huch_mk_imu.xgyro = (6700*mk_imu->x_adc_gyro)/(3*1024); //convert analog to 0.1 deg./sec.
			huch_mk_imu.ygyro = (6700*mk_imu->y_adc_gyro)/(3*1024);
			huch_mk_imu.zgyro = (6700*mk_imu->z_adc_gyro)/(3*1024);
			DataCenter::set_huch_mk_imu(huch_mk_imu);
			mavlink_msg_huch_mk_imu_encode(system_id(),
				component_id,
				&tx_mav_msg,
				&huch_mk_imu
				);
			AppLayer<mavlink_message_t>::send(tx_mav_msg);
			//forward pressure
			mavlink_raw_pressure_t raw_pressure;
			raw_pressure.time_usec = mkhuch_msg_time;
			raw_pressure.press_abs = mk_imu->press_abs;
			raw_pressure.press_diff1 = 0;	//press_diff1
			raw_pressure.press_diff2 = 0;	//press_diff2
			raw_pressure.temperature = 0;	//temperature
			DataCenter::set_raw_pressure(raw_pressure);
			mavlink_msg_raw_pressure_encode(system_id(),
				component_id,
				&tx_mav_msg,
				&raw_pressure
				);
			AppLayer<mavlink_message_t>::send(tx_mav_msg);
			//TODO: forward magneto
			break;
		}
/*		case MKHUCH_MSG_TYPE_PARAM_VALUE: {
			const mkhuch_param_t *param = reinterpret_cast<const mkhuch_param_t*>(msg.data);
			//set parameter
			uint8_t index;
			if(param->index >= parameter_count)
				index = parameter_count-1;
			else
				index = param->index;
			parameters[index] = param->value;
			//ask for next parameter
			if(index < parameter_count - 1) {
				parameter_request = index + 1;
				mk_param_type_t param_type= static_cast<mk_param_type_t>(parameter_request);
				send(MKHUCH_MSG_TYPE_PARAM_REQUEST, &param_type, sizeof(mk_param_type_t));
				parameter_time = message_time;
			} else { //got all parameters
				parameter_request = 255;
			}
			//inform others
			send_mavlink_param_value( static_cast<mk_param_type_t>(index) );
			break;
		}*/
/*		case MKHUCH_MSG_TYPE_ACTION_ACK: {

			Lock tx_lock(tx_mav_mutex);
			mavlink_msg_action_ack_pack(owner()->system_id(), component_id, &tx_mav_msg, msg.data[0], msg.data[1]);
			send(tx_mav_msg);
			break;
		}*/
	case MKHUCH_MSG_TYPE_STICKS: {
		const mkhuch_sticks_t *sticks = reinterpret_cast<const mkhuch_sticks_t*>(msg.data);
		mavlink_huch_attitude_control_t attitude_control;
		attitude_control.roll = (float)sticks->roll;
		attitude_control.pitch = (float)sticks->pitch;
		attitude_control.yaw = (float)sticks->yaw;
		attitude_control.thrust = (float)sticks->thrust;
		attitude_control.target = system_id();
		attitude_control.mask = 0;
		// log("MAVLinkMKHUCHApp got mkhuch_sticks msg", static_cast<int16_t>(sticks->roll), static_cast<int16_t>(sticks->pitch), Logger::LOGLEVEL_DEBUG);
		// log("MAVLinkMKHUCHApp got mkhuch_sticks msg", static_cast<int16_t>(sticks->yaw), static_cast<int16_t>(sticks->thrust), Logger::LOGLEVEL_DEBUG);
		// ALERT uint64_t -> uint32_t cast
		uint32_t time_ms = get_time_ms();
		Lock tx_lock(tx_mav_mutex);
		mavlink_msg_huch_attitude_control_encode(
																					 system_id(),
																					 component_id,
																					 &tx_mav_msg,
																					 &attitude_control
																					 );
		AppLayer<mavlink_message_t>::send(tx_mav_msg);

		// mavlink_msg_named_value_int_pack(system_id(),
		// 	component_id,
		// 	&tx_mav_msg,
		// 	time_ms,
		// 	"stk_roll",
		// 	sticks->roll);
		// AppLayer<mavlink_message_t>::send(tx_mav_msg);
		// mavlink_msg_named_value_int_pack(system_id(),
		// 	component_id,
		// 	&tx_mav_msg,
		// 	time_ms,
		// 	"stk_pitch",
		// 	sticks->pitch);
		// AppLayer<mavlink_message_t>::send(tx_mav_msg);
		// mavlink_msg_named_value_int_pack(system_id(),
		// 	component_id,
		// 	&tx_mav_msg,
		// 	time_ms,
		// 	"stk_yaw",
		// 	sticks->yaw);
		// AppLayer<mavlink_message_t>::send(tx_mav_msg);
		// mavlink_msg_named_value_int_pack(system_id(),
		// 	component_id,
		// 	&tx_mav_msg,
		// 	time_ms,
		// 	"stk_thrust",
		// 	sticks->thrust);
		// AppLayer<mavlink_message_t>::send(tx_mav_msg);
		break;
	}

	case MKHUCH_MSG_TYPE_RC_CHANNELS_RAW: {
		const mkhuch_rc_channels_raw_t *rc_channels_raw = reinterpret_cast<const mkhuch_rc_channels_raw_t*>(msg.data);
		//log("MAVLinkMKHUCHApp got mkhuch_rc_channels_raw msg", static_cast<int16_t>(rc_channels_raw->channel_2), Logger::LOGLEVEL_DEBUG);
		Lock tx_lock(tx_mav_mutex);
		mavlink_msg_rc_channels_raw_pack(system_id(),
			component_id,
			&tx_mav_msg,
			get_time_ms(),
			0,	//FIXME
			rc_channels_raw->channel_1,
			rc_channels_raw->channel_2,
			rc_channels_raw->channel_3,
			rc_channels_raw->channel_4,
			rc_channels_raw->channel_5,
			rc_channels_raw->channel_6,
			rc_channels_raw->channel_7,
			rc_channels_raw->channel_8,
			rc_channels_raw->rssi);
		AppLayer<mavlink_message_t>::send(tx_mav_msg);
		break;
	}

	case MKHUCH_MSG_TYPE_SYSTEM_STATUS: {
/* FIXME
			const mkhuch_system_status_t *sys_status = reinterpret_cast<const mkhuch_system_status_t*>(msg.data);
			Lock tx_lock(tx_mav_mutex);
			mavlink_msg_sys_status_pack(system_id(),
				component_id,
				&tx_mav_msg,
				sys_status->mode,
				sys_status->nav_mode,
				sys_status->state,
				1000, //FIXME: use glibtop to get load of linux system
				sys_status->vbat*100, //convert dV to mV
				0,//motor block (unsupported)
				sys_status->packet_drop);
			AppLayer<mavlink_message_t>::send(tx_mav_msg);
*/
			break;
		}
/*		case MKHUCH_MSG_TYPE_BOOT:
			//TODO
			break;*/
		case MKHUCH_MSG_TYPE_ATTITUDE: {
			const mkhuch_attitude_t *mkhuch_attitude = reinterpret_cast<const mkhuch_attitude_t*>(msg.data);
			mavlink_attitude_t mavlink_attitude;
			mavlink_attitude.time_boot_ms = mkhuch_msg_time / 1000;
			mavlink_attitude.roll = 0.001745329251994329577*(mkhuch_attitude->roll_angle);		//convert cdeg to rad with (pi/180)/10 
			mavlink_attitude.pitch = 0.001745329251994329577*(mkhuch_attitude->pitch_angle);	//convert cdeg to rad with (pi/180)/10
			mavlink_attitude.yaw = 0.001745329251994329577*(mkhuch_attitude->yaw_angle);		//convert cdeg to rad with (pi/180)/10
			//FIXME
			mavlink_attitude.rollspeed = 0;
			mavlink_attitude.pitchspeed = 0;
			mavlink_attitude.yawspeed = 0;
			Lock tx_lock(tx_mav_mutex);
			mavlink_msg_attitude_encode(system_id(),
				component_id,
				&tx_mav_msg,
				&mavlink_attitude);
			AppLayer<mavlink_message_t>::send(tx_mav_msg);
			break;
		}
		default:
			break;
	}
}
コード例 #18
0
void DropletCustomOne::DropletMainLoop()
{
    switch ( state )
    {
    case COLLABORATING:
        if ( get_32bit_time() - collab_time > COLLABORATE_DURATION )
        {
            change_state ( LEAVING );
        }
        break;

    case LEAVING:
        if ( !is_moving(NULL) )
        {
            change_state ( SAFE );
        }
        break;

    case SAFE:
        if ( check_safe () )
        {
            change_state ( SEARCHING );
        }

        // If you start in the red region then try to get out before you die
        else
        {
            random_walk ();
        }
        break;

    case SEARCHING:
        random_walk ();
        if ( !check_safe() )
        {
            change_state ( WAITING );
        }
        break;

    case START_DELAY:
        {
            uint32_t curr_time = get_32bit_time ();
            if ( curr_time - start_delay_time > START_DELAY_TIME )
                change_state ( SAFE );
        }
        break;

    case WAITING:
        if ( get_32bit_time() - heartbeat_time > HEART_RATE )
        {
            heartbeat_time = get_32bit_time ();
            send_heartbeat ();
        }

        // Checks incoming messages and updates group size.
        // There is a chance the state can be changed to COLLABORATING in
        // this function if the droplet sees a GO message.
        update_group_size ();

        if (    get_32bit_time() - voting_time > HEART_RATE &&
                state == WAITING )
        {
            voting_time = get_32bit_time ();
            check_votes ();
        }

        break;

    default:
        break;
    }
}
コード例 #19
0
extern void nmt_slave_send_heartbeat_immediately(co_node *node)
{
    send_heartbeat(node);
}
コード例 #20
0
ファイル: ControlPack.cpp プロジェクト: pkropf/controlpack
void ControlPack::loop()
{
    read_packet();
    send_heartbeat();
}
コード例 #21
0
ファイル: session.c プロジェクト: ricktaylor/dlep_router
static int in_session(int s, uint8_t** msg, uint32_t modem_heartbeat_interval, uint32_t router_heartbeat_interval)
{
	struct timespec last_recv_time = {0};
	struct timespec last_sent_time = {0};
	struct timespec now_time = {0};

	ssize_t received;
	struct timeval timeout = {0};
	fd_set readfds;

	/* Remember when we started */
	clock_gettime(CLOCK_MONOTONIC,&now_time);
	last_sent_time = last_recv_time = now_time;

	/* Make sure we send and check heartbeats promptly - this is a bit hackish */
	timeout.tv_sec = (modem_heartbeat_interval < router_heartbeat_interval ? modem_heartbeat_interval : router_heartbeat_interval);
	timeout.tv_usec = (timeout.tv_sec % 1000) * 1000;
	timeout.tv_sec /= 1000;

	/* Loop forever handling messages */
	for (;;)
	{
		/* Wait for a message */
		FD_ZERO(&readfds);
		FD_SET(s,&readfds);
		if (select(s+1,&readfds,NULL,NULL,&timeout) == -1)
		{
			printf("Failed to wait for message: %s\n",strerror(errno));
			return -1;
		}

		clock_gettime(CLOCK_MONOTONIC,&now_time);

		/* Check for our heartbeat interval */
		if (interval_compare(&last_sent_time,&now_time,router_heartbeat_interval) > 0)
		{
			/* Send out a heartbeat if the 'timer' has expired */
			send_heartbeat(s,router_heartbeat_interval);

			/* Update the last sent time */
			last_sent_time = now_time;
		}

		if (!FD_ISSET(s,&readfds))
		{
			/* Timeout */

			/* Check Modem heartbeat interval, check for 2 missed intervals */
			if (interval_compare(&last_recv_time,&now_time,modem_heartbeat_interval * 2) > 0)
			{
				printf("No heartbeat from modem within %u seconds, terminating session\n",modem_heartbeat_interval * 2);
				return send_session_term(s,DLEP_SC_TIMEDOUT,msg,modem_heartbeat_interval);
			}

			/* Wait again */
			continue;
		}

		/* Receive a message */
		received = recv_message(s,msg);
		if (received == -1)
		{
			printf("Failed to receive from TCP socket: %s\n",strerror(errno));
			return -1;
		}
		else if (received == 0)
		{
			printf("Modem closed TCP session\n");
			return -1;
		}
		else
		{
			/* Handle the message */
			int r = handle_message(s,msg,received,modem_heartbeat_interval);
			if (r != 1)
				return r;
		}

		/* Update the last received time */
		last_recv_time = now_time;
	}
}
コード例 #22
0
ファイル: GCS_Mavlink.cpp プロジェクト: MonashUAS/ardupilot
// try to send a message, return false if it won't fit in the serial tx buffer
bool GCS_MAVLINK_Rover::try_send_message(enum ap_message id)
{
    if (telemetry_delayed()) {
        return false;
    }

    // if we don't have at least 1ms remaining before the main loop
    // wants to fire then don't send a mavlink message. We want to
    // prioritise the main flight control loop over communications
    if (!rover.in_mavlink_delay && rover.scheduler.time_available_usec() < 1200) {
        gcs().set_out_of_time(true);
        return false;
    }

    switch (id) {
    case MSG_HEARTBEAT:
        CHECK_PAYLOAD_SIZE(HEARTBEAT);
        last_heartbeat_time = AP_HAL::millis();
        send_heartbeat();
        return true;

    case MSG_EXTENDED_STATUS1:
        // send extended status only once vehicle has been initialised
        // to avoid unnecessary errors being reported to user
        if (initialised) {
            CHECK_PAYLOAD_SIZE(SYS_STATUS);
            rover.send_extended_status1(chan);
            CHECK_PAYLOAD_SIZE(POWER_STATUS);
            send_power_status();
        }
        break;

    case MSG_ATTITUDE:
        CHECK_PAYLOAD_SIZE(ATTITUDE);
        rover.send_attitude(chan);
        break;

    case MSG_LOCATION:
        CHECK_PAYLOAD_SIZE(GLOBAL_POSITION_INT);
        rover.send_location(chan);
        break;

    case MSG_NAV_CONTROLLER_OUTPUT:
        if (rover.control_mode->is_autopilot_mode()) {
            CHECK_PAYLOAD_SIZE(NAV_CONTROLLER_OUTPUT);
            rover.send_nav_controller_output(chan);
        }
        break;

    case MSG_SERVO_OUT:
        CHECK_PAYLOAD_SIZE(RC_CHANNELS_SCALED);
        rover.send_servo_out(chan);
        break;

    case MSG_RADIO_IN:
        CHECK_PAYLOAD_SIZE(RC_CHANNELS);
        send_radio_in(rover.receiver_rssi);
        break;

    case MSG_SERVO_OUTPUT_RAW:
        CHECK_PAYLOAD_SIZE(SERVO_OUTPUT_RAW);
        send_servo_output_raw(false);
        break;

    case MSG_VFR_HUD:
        CHECK_PAYLOAD_SIZE(VFR_HUD);
        rover.send_vfr_hud(chan);
        break;

    case MSG_RAW_IMU1:
        CHECK_PAYLOAD_SIZE(RAW_IMU);
        send_raw_imu(rover.ins, rover.compass);
        break;

    case MSG_RAW_IMU2:
        CHECK_PAYLOAD_SIZE(SCALED_PRESSURE);
        send_scaled_pressure();
        break;

    case MSG_RAW_IMU3:
        CHECK_PAYLOAD_SIZE(SENSOR_OFFSETS);
        send_sensor_offsets(rover.ins, rover.compass);
        break;

    case MSG_SIMSTATE:
        CHECK_PAYLOAD_SIZE(SIMSTATE);
        rover.send_simstate(chan);
        break;

    case MSG_RANGEFINDER:
        CHECK_PAYLOAD_SIZE(RANGEFINDER);
        rover.send_rangefinder(chan);
        send_distance_sensor(rover.rangefinder);
        send_proximity(rover.g2.proximity);
        break;

    case MSG_RPM:
        CHECK_PAYLOAD_SIZE(RPM);
        rover.send_wheel_encoder(chan);
        break;

    case MSG_MOUNT_STATUS:
#if MOUNT == ENABLED
        CHECK_PAYLOAD_SIZE(MOUNT_STATUS);
        rover.camera_mount.status_msg(chan);
#endif  // MOUNT == ENABLED
        break;

    case MSG_FENCE_STATUS:
        CHECK_PAYLOAD_SIZE(FENCE_STATUS);
        rover.send_fence_status(chan);
        break;

    case MSG_VIBRATION:
        CHECK_PAYLOAD_SIZE(VIBRATION);
        send_vibration(rover.ins);
        break;

    case MSG_BATTERY2:
        CHECK_PAYLOAD_SIZE(BATTERY2);
        send_battery2(rover.battery);
        break;

    case MSG_EKF_STATUS_REPORT:
#if AP_AHRS_NAVEKF_AVAILABLE
        CHECK_PAYLOAD_SIZE(EKF_STATUS_REPORT);
        rover.ahrs.send_ekf_status_report(chan);
#endif
        break;

    case MSG_PID_TUNING:
        CHECK_PAYLOAD_SIZE(PID_TUNING);
        rover.send_pid_tuning(chan);
        break;

    case MSG_BATTERY_STATUS:
        send_battery_status(rover.battery);
        break;

    default:
        return GCS_MAVLINK::try_send_message(id);
    }
    return true;
}
コード例 #23
0
ファイル: agent_thread.cpp プロジェクト: chenchu0910/mooon
void CAgentThread::run()
{
    AGENT_LOG_INFO("Agent thread ID is %u.\n", get_thread_id());
    
    while (true)
    {
        try
        {
            // 必须先建立连接
            while (!is_stop() 
                && !_connector.is_connect_established())
            {
                if (connect_center())
                    break;
            }
            if (is_stop())
            {
                AGENT_LOG_INFO("Thread[%u] is tell to stop.\n", get_thread_id());
                break;
            }
                        
            int num = _epoller.timed_wait(_connector.get_connect_timeout_milliseconds());
            if (0 == num)
            {
                // timeout to send heartbeat
                AGENT_LOG_DEBUG("Agent timeout to send heartbeat.\n");
                send_heartbeat();
            }
            else
            {
                for (int i=0; i<num; ++i)
                {
                    uint32_t events = _epoller.get_events(i);
                    net::CEpollable* epollable = _epoller.get(i); 
                    
                    net::epoll_event_t ee = epollable->handle_epoll_event(NULL, events, NULL);
                    switch (ee)
                    {
                    case net::epoll_read:
                        _epoller.set_events(epollable, EPOLLIN);
                        break;
                    case net::epoll_write:
                        _epoller.set_events(epollable, EPOLLOUT);
                        break;
                    case net::epoll_read_write:
                        _epoller.set_events(epollable, EPOLLIN | EPOLLOUT);
                        break;
                    case net::epoll_remove:
                        _epoller.del_events(epollable);
                        break;
                    case net::epoll_close:
                        _epoller.del_events(epollable);
                        epollable->close();
                        break;
                    default:
                        break;
                    }
                }
            }
        }
        catch (sys::CSyscallException& ex)
        {
            AGENT_LOG_ERROR("Network exception: %s.\n", ex.to_string().c_str());
        }
    }
    
    _epoller.destroy();
    AGENT_LOG_INFO("Agent thread[%u] exited.\n", get_thread_id());
}