C++ set_state函数代码示例

static void discover_task ()
{
    uint8_t periods_in_idle = discover_period_s / DISCOVER_TASK_PERIOD_S;
    nrk_time_t now, elapsed;
    int8_t rc;

    while (1) {
        switch (discover_state) {
            case DISCOVER_IDLE:
                if (auto_discover) {
                    if (periods_in_idle < periods_in_idle)
                        break;

                    set_state(DISCOVER_SCHEDULED);
                }
                break;

            case DISCOVER_SCHEDULED:
#if ENABLE_LED
                pulse_led(led_discover);
#endif
                set_state(DISCOVER_PENDING);
                nrk_event_signal(discover_signal);
                break;

            case DISCOVER_IN_PROGRESS:
                nrk_time_get(&now);
                nrk_time_sub(&elapsed, now, last_activity);
                if (time_cmp(&elapsed, &discover_time_out) < 0) {
                    LOG("silent for ");
                    LOGP("%lu ms\r\n", TIME_TO_MS(elapsed));
                    break;
                }

                LOG("finished, distrib routes: seq ");
                LOGP("%d\r\n", outstanding_seq);

                print_graph(&network);

                rc = calc_routes(&network, &routes);
                if (rc == NRK_OK) {
                    print_routes(&routes);
                    rc = broadcast_routes(&routes, outstanding_seq);
                    if (rc != NRK_OK)
                        LOG("WARN: failed to bcast routes\r\n");
                } else {
                    LOG("WARN: failed to calc routes\r\n");
                }
                set_state(DISCOVER_COMPLETED);
                nrk_event_signal(discover_signal);
                break;

            case DISCOVER_PENDING:
            case DISCOVER_COMPLETED:
                /* the router failed to do its part in one task period */
                set_state(DISCOVER_IDLE);
                break;

            default:
                ABORT("unexpected state\r\n");
        }
        periods_in_state++;
        nrk_wait_until_next_period();
    }
    ABORT("discover task exited\r\n");
}

int pa__init(pa_module*m) {

    struct userdata *u;
    pa_modargs *ma;
    pa_sink_new_data data;
    int backend_state;
    int ret;
    char strbuf[100];

    pa_assert(m);

    if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
        pa_log("Failed to parse module arguments.");
        goto fail;
    }

    ss = m->core->default_sample_spec;
    map = m->core->default_channel_map;

    /* user arguments override these */
    if (pa_modargs_get_sample_spec_and_channel_map(ma, &ss, &map, PA_CHANNEL_MAP_DEFAULT) < 0) {
        pa_log("Invalid sample format specification or channel map");
        return 1;
    }

    /* Xen Basic init */
    xsh = xs_domain_open();
    if (xsh==NULL) {
        pa_log("xs_domain_open failed");
        goto fail;
    }
    set_state(XenbusStateUnknown);

    xch = xc_interface_open(NULL, NULL, 0);
    if (xch==0) {
        pa_log("xc_interface_open failed");
        goto fail;
    }

    xce = xc_evtchn_open(NULL, 0);
    if (xce==0) {
        pa_log("xc_evtchn_open failed");
        goto fail;
    }

    /* use only dom0 as the backend for now */
    xen_evtchn_port = xc_evtchn_bind_unbound_port(xce, 0);
    if (xen_evtchn_port == 0) {
        pa_log("xc_evtchn_bind_unbound_port failed");
    }

    /* get grant reference & map locally */
    if (alloc_gref(&gref, (void**)&ioring)) {
       pa_log("alloc_gref failed");
    };
    device_id = 0; /* hardcoded for now */

    if (register_backend_state_watch()) {
        pa_log("Xen sink: register xenstore watch failed");
    };

    publish_param_int("event-channel", xen_evtchn_port);
    publish_param_int("ring-ref", gref.gref_ids[0]);

    /* let's ask for something absurd and deal with rejection */
    ss.rate = 192000;

    publish_spec(&ss);

    ret=0;
    while (!ret) {
        backend_state = wait_for_backend_state_change();
        if (backend_state == STATE_UNDEFINED) {
            pa_log("Xen Backend is taking long to respond, still waiting...");
            continue;
        } else if (backend_state == -1) {
            pa_log("Error while waiting for backend: %s", strerror(errno));
            break;
            goto fail;
        }
        ret = state_callbacks[backend_state]();
    }
    if (ret!=NEGOTIATION_OK) {
        pa_log("Negotiation with Xen backend failed!");
        return 1;
    }

    pa_sample_spec_snprint(strbuf, 100, &ss);
    pa_log_debug("Negotiation ended, the result was: %s", strbuf);

    /* End of Phase 2, begin playback cycle */

    u = pa_xnew0(struct userdata, 1);
    u->core = m->core;
    u->module = m;
    m->userdata = u;
    pa_memchunk_reset(&u->memchunk);
    u->rtpoll = pa_rtpoll_new();
    pa_thread_mq_init(&u->thread_mq, m->core->mainloop, u->rtpoll);
    u->write_type = 0;
//.........这里部分代码省略.........

/*
* MAIN
*
* assumes the existance of getopt() to clean up the command 
* line handling
*/
int
main (int ac, char **av)
{
	DSS_HUGE i;
	
	table = (1 << CUST) |
		(1 << SUPP) |
		(1 << NATION) |
		(1 << REGION) |
		(1 << PART_PSUPP) |
		(1 << ORDER_LINE);
	force = 0;
    insert_segments=0;
    delete_segments=0;
    insert_orders_segment=0;
    insert_lineitem_segment=0;
    delete_segment=0;
	verbose = 0;
	set_seeds = 0;
	scale = 1;
	flt_scale = 1.0;
	updates = 0;
	step = -1;
        partition = -1;
	tdefs[ORDER].base *=
		ORDERS_PER_CUST;			/* have to do this after init */
	tdefs[LINE].base *=
		ORDERS_PER_CUST;			/* have to do this after init */
	tdefs[ORDER_LINE].base *=
		ORDERS_PER_CUST;			/* have to do this after init */
	children = 1;
	d_path = NULL;
	
#ifdef NO_SUPPORT
	signal (SIGINT, exit);
#endif /* NO_SUPPORT */
	process_options (ac, av);
	validate_options();
#if (defined(WIN32)&&!defined(_POSIX_))
	for (i = 0; i < ac; i++)
	{
		spawn_args[i] = malloc (((int)strlen (av[i]) + 1) * sizeof (char));
		MALLOC_CHECK (spawn_args[i]);
		strcpy (spawn_args[i], av[i]);
	}
	spawn_args[ac] = NULL;
#endif
	
	if (verbose >= 0)
		{
		fprintf (stderr,
			"%s Population Generator (Version %d.%d.%d)\n",
			NAME, VERSION, RELEASE, PATCH);
		fprintf (stderr, "Copyright %s %s\n", TPC, C_DATES);
		}
	
	load_dists ();
#ifdef RNG_TEST
	for (i=0; i <= MAX_STREAM; i++)
		Seed[i].nCalls = 0;
#endif
	/* have to do this after init */
	tdefs[NATION].base = nations.count;
	tdefs[REGION].base = regions.count;
	
	/* 
	* updates are never parallelized 
	*/
	if (updates)
		{
		/* 
		 * set RNG to start generating rows beyond SF=scale
		 */
		set_state (ORDER, scale, 100, 101, &i); 
		rowcnt = (int)(tdefs[ORDER_LINE].base / 10000 * scale * UPD_PCT);
		if (step > 0)
			{
			/* 
			 * adjust RNG for any prior update generation
			 */
	      for (i=1; i < step; i++)
         {
			sd_order(0, rowcnt);
			sd_line(0, rowcnt);
         }
			upd_num = step - 1;
			}
		else
			upd_num = 0;

		while (upd_num < updates)
			{
			if (verbose > 0)
				fprintf (stderr,
//.........这里部分代码省略.........

/* negotiation callbacks */
static int state_unknown_cb() {
    pa_log_debug("Xen audio sink: Backend state was XenbusStateUnknown\n");
    set_state(XenbusStateInitialising);

    return 0;
}

static int state_initialised_cb() {
    pa_log_debug("Xen audio sink: Backend state was XenbusStateInitialised\n");
    /*Remind the backend we are ready*/
    set_state(XenbusStateInitialised);
    return 0;
}

static void kcs_bmc_handle_data(struct kcs_bmc *kcs_bmc)
{
	u8 data;

	switch (kcs_bmc->phase) {
	case KCS_PHASE_WRITE_START:
		kcs_bmc->phase = KCS_PHASE_WRITE_DATA;
		/* fall through */

	case KCS_PHASE_WRITE_DATA:
		if (kcs_bmc->data_in_idx < KCS_MSG_BUFSIZ) {
			set_state(kcs_bmc, WRITE_STATE);
			write_data(kcs_bmc, KCS_ZERO_DATA);
			kcs_bmc->data_in[kcs_bmc->data_in_idx++] =
						read_data(kcs_bmc);
		} else {
			kcs_force_abort(kcs_bmc);
			kcs_bmc->error = KCS_LENGTH_ERROR;
		}
		break;

	case KCS_PHASE_WRITE_END_CMD:
		if (kcs_bmc->data_in_idx < KCS_MSG_BUFSIZ) {
			set_state(kcs_bmc, READ_STATE);
			kcs_bmc->data_in[kcs_bmc->data_in_idx++] =
						read_data(kcs_bmc);
			kcs_bmc->phase = KCS_PHASE_WRITE_DONE;
			kcs_bmc->data_in_avail = true;
			wake_up_interruptible(&kcs_bmc->queue);
		} else {
			kcs_force_abort(kcs_bmc);
			kcs_bmc->error = KCS_LENGTH_ERROR;
		}
		break;

	case KCS_PHASE_READ:
		if (kcs_bmc->data_out_idx == kcs_bmc->data_out_len)
			set_state(kcs_bmc, IDLE_STATE);

		data = read_data(kcs_bmc);
		if (data != KCS_CMD_READ_BYTE) {
			set_state(kcs_bmc, ERROR_STATE);
			write_data(kcs_bmc, KCS_ZERO_DATA);
			break;
		}

		if (kcs_bmc->data_out_idx == kcs_bmc->data_out_len) {
			write_data(kcs_bmc, KCS_ZERO_DATA);
			kcs_bmc->phase = KCS_PHASE_IDLE;
			break;
		}

		write_data(kcs_bmc,
			kcs_bmc->data_out[kcs_bmc->data_out_idx++]);
		break;

	case KCS_PHASE_ABORT_ERROR1:
		set_state(kcs_bmc, READ_STATE);
		read_data(kcs_bmc);
		write_data(kcs_bmc, kcs_bmc->error);
		kcs_bmc->phase = KCS_PHASE_ABORT_ERROR2;
		break;

	case KCS_PHASE_ABORT_ERROR2:
		set_state(kcs_bmc, IDLE_STATE);
		read_data(kcs_bmc);
		write_data(kcs_bmc, KCS_ZERO_DATA);
		kcs_bmc->phase = KCS_PHASE_IDLE;
		break;

	default:
		kcs_force_abort(kcs_bmc);
		break;
	}
}

void controller_run(void) {
	//Declare variables
	//Store sensors readings
	uint8_t ir_frontleft, ir_frontright, ir_backleft, ir_backright, dis_front;
	
	//Speeds to be managed by the control logic, without taking into account speed adaption
	int speed_left = 0, speed_right = 0;
	
	//Speeds applied to the motors after adaptive speed calculation
	uint16_t speed_l, speed_r;
	
	//Speed offset, to make sure initially heading slightly to the right and finally slightly to the left
	int offset = 10;
	
	//Directions of the wheels
	char direction_left = 0, direction_right = 0;
	
	//main loop
	while(1) {
		//Read sensor values
		dis_front = sensor_read(SENSOR_FRONT, SENSOR_DISTANCE);
		ir_frontleft = (sensor_read(SENSOR_FRONTLEFT, SENSOR_IR));
		ir_frontright = (sensor_read(SENSOR_FRONTRIGHT, SENSOR_IR));
		ir_backleft = sensor_read(SENSOR_BACKLEFT, SENSOR_IR);
		ir_backright = sensor_read(SENSOR_BACKRIGHT, SENSOR_IR);
		
		// Remove noise
		if (ir_frontleft < NOISE_LEVEL)
		ir_frontleft = 0;
		if (ir_frontright < NOISE_LEVEL)
		ir_frontright = 0;
		if (ir_backleft < NOISE_LEVEL)
		ir_backleft = 0;
		if (ir_backright < NOISE_LEVEL)
		ir_backright = 0;
		
		switch (get_state())
		{
			case STATE_BRAITENBERG:
			{
				// State 0: Avoid obstacles
				LED_OFF(LED_PLAY);
				LED_OFF(LED_AUX);
				
				if (ir_frontright < DISTANCE_TO_TURN) { //no obstacle close
					direction_left = MOTOR_CCW;		// Going forward
					speed_left = 255;				//At full speed
				}
				else {		//close to an obstacle
					direction_left = MOTOR_CW;		//Going backwards
					speed_left = ir_frontright;		//speed proportional to obstacle distance (proximity)
				}
				// Going forward
				if (ir_frontleft < DISTANCE_TO_TURN) { //same as above for the other wheel
					direction_right = MOTOR_CW;
					speed_right = 255;
				}
				else {
					direction_right = MOTOR_CCW;
					speed_right = ir_frontleft;
				}
				
				if (offset > 0)		//apply speed offset to left/right wheel (before/after wall mode)
				speed_right -= offset;
				else
				speed_left -= offset;
				
				if (WALL_MODE) //If wall follow mode is activated
				{
					if(ir_backleft > 80) //If close to wall
					{
						set_state(STATE_FOLLOW);	//Go to wall-follow state
					}
				}
				break;
			}
			
			case STATE_FOLLOW:		// State: Follow the left wall
			{
				LED_ON(LED_AUX);
				if (ir_frontleft < 20)	
				{					//too far
					speed_left = 255-40;	//Head towards the wall
					speed_right = 255;
				}
				else
				{					//too close
					speed_left = 255;	//head away from the wall
					speed_right = 255-40;
				}
				// Go forward
				direction_left = MOTOR_CCW;
				direction_right = MOTOR_CW;
				if (ir_frontleft == 0)	{	//If arrived to the end of the wall
					set_state(STATE_BRAITENBERG);		//Return to Obstacle avoidance state
					offset = -offset;		//Invert speed offset (always head slightly to the left)
				}		
				break;
			}
			default:
//.........这里部分代码省略.........

bool densoecu::listen_denso02_bootloader()
{
	unsigned char rsp;
	unsigned int datalen = 1;
	int checksum = 0;

	dc->set_default_timeout(3000);
	if (!dc->read_serial_bytes(&rsp,&datalen))
		return false;

	checksum += rsp;
	int addr,len;

	switch(rsp)
	{
	case denso02_bootloader_cmd_start:
		l->print(log_densoecu,"denso02_bootloader_cmd_start\n");
		datalen = 1;
		if (!dc->read_serial_bytes(&rsp,&datalen))
			return false;
		checksum += rsp;
		// verify checksum
		datalen = 1;
		if (!dc->read_serial_bytes(&rsp,&datalen))
			return false;
		if (rsp != 0x100-(checksum & 0xFF))
		{
			l->print(log_densoecu,"bad checksum.\n");
			return false;
		}
		rxbuf[0] = 0x00;
		if (state == bootloader_auth)
		{
			if (!dc->write_denso02_cmd(denso02_bootloader_cmd_start,rxbuf,1))
				return false;
			set_state(bootloader);
		}
		break;
	case denso02_bootloader_cmd_write_kernel_ram:
		// read address and length
		datalen = 5;
		if (!dc->read_serial_bytes(rxbuf,&datalen))
		{
			l->print(log_densoecu,"denso write kernel area timeout!");
			return false;
		}
		checksum += dc->checksum(rxbuf,datalen);
		addr = byte_to_int24(rxbuf);
		len = byte_to_int16(rxbuf+3);
		l->print(log_densoecu,"denso write kernel area addr:%06X len:%02X\n",addr,len);
		if (addr < locrambase || addr+len > locrambase + 0x1800)
		{
			l->print(log_densoecu,"bad address range.\n");
			rsp = denso02_bootloader_rsp_bad_address;
			if (!dc->write_raw(&rsp,1))
				return false;
		}
		/*
		// todo: verify kernel length, return 0x22 if overrun
		if (len > datalen - 5)
		{
			if (!dc->write_raw(densocomm::denso02_bootloader_rsp_data_overrun,1))
				return false;
		}
		*/
		// now read data block
		datalen = len;
		if (!dc->read_serial_bytes(rxbuf,&datalen))
			return false;
		checksum += dc->checksum(rxbuf,datalen);
		// verify checksum
		datalen = 1;
		if (!dc->read_serial_bytes(&rsp,&datalen))
			return false;
		if (rsp != 0x100-(checksum & 0xFF))
		{
			l->print(log_densoecu,"bad checksum.\n");
			// todo: send 0x03
			rsp = denso02_bootloader_rsp_bad_checksum;
			if (!dc->write_raw(&rsp,1))
				return false;
			return false;
		}

		transform_kernel_block02(rxbuf,len,0,false);
		memcpy(rom+addr,rxbuf,len);
		// verify valid kernel
		if (byte_to_int16(rom+locrambase+2) != denso_magic_number)
		{
			// invalid_kernel magic number
			l->print(log_densoecu,"invalid magic number.\n");
			rsp = denso02_bootloader_rsp_bad_magic_number;
			if (!dc->write_raw(&rsp,1))
				return false;
		}
		l->print(log_densoecu,"valid kernel loaded.\n");

		delay(100);
		set_state(oecukernel);
		break;
//.........这里部分代码省略.........

void densoecu::set_model(ecumodel _model)
{
	model = _model;
	set_state(normal);
}

//.........这里部分代码省略.........
				//also  reset the state
				table_name_list.clear();
				current_state = NONE;
				previous_state = NONE;
			}
			//also push back this token
			pushback_token_to_stream(&next_token, &index);
			continue;
		}
		if (current_token == ")") {
			//now time to pop back what we stored in stack
			if (query_state_stack.empty()) {
				continue;
			}

			if (query_state_stack.top().select_triggered_query_state_change
					== true) {
				/*
				 * if the state saved at stack was triggered by SELECT then only
				 * do a state save and pop
				 * pop and save state into current variables
				 */
				table_name_list = (query_state_stack.top().table_name_list);
				current_state = (query_state_stack.top()).current_state;
				previous_state = (query_state_stack.top()).previous_state;

				//pop the top
				query_state_stack.pop();

			}
			continue;
		}
		// see if this token triggers a state change
		if (set_state(current_token, &current_state, &previous_state) == true) {
			continue;
		}

		/*
		 * if a state reset needed because keyword SELECT/UNION has been
		 * encountered in the input stream, then perform a state reset. After
		 * resetting table_name_list toggle state_reset_needed flag.
		 */
		if (state_reset_needed) {
			table_name_list.clear();
			toggle_state_reset();
		}
		/*
		 * when being in a state, if a reserved token is encountered and
		 * if code at that position can not handle it then it must do
		 *  a pushback followed a continue. We will handle reserved keywords
		 *  or unhandled tokens here.
		 *  Right now we are not handling most of the reserved tokens or operators
		 *  in this block. so continue
		 */
		if (is_token_reserved(current_token)
				or is_token_operator(current_token)) {
			// deal with token
			continue;
		}

		if (current_token == "," or current_token == ";") {
			continue;
		}

		//process state SELECT
		if (current_state == SELECT) {

/*
 * ******************************************* 
 *  Function: handle_transport_layer_packet  
 *
 *  Description: 
 *
 *  handle a transport layer 
 *  packet. Core transport layer handling 
 *  function , all the other funcitons 
 *  were written to support this big guy 
 *  
 *  Parameters: 
 *     buffer - packet buffer 
 *     src_id  - Source id 
 *     dest_id - Destination id 
 *
 * ******************************************* 
 */
void handle_transport_layer_packet( void * buffer , int src_id , int dest_id )
{

      
        int packet_type; 
        int requested_mtu; 
        int seq_no; 
        int connect_id; 
        void *realloc_buffer;
        int win_size ;	
	void *packet_data;
        int cid_seq_no; 	
        int current_sender_id; 
	int current_cid_state; 
	int sender_id ;
        char *realloc_buf_ptr; 	
	int max_connections_permitted = get_state(&__max_connections);
	packet_type = get_packet_type(buffer);

	switch(packet_type)
	{
		case CONTROL_CONNECT:
			requested_mtu = get_requested_mtu(buffer);
		        connect_id  =allocate_sender(max_connections_permitted);
			sender_id  = get_sender_id(buffer);
		        if ( connect_id  <  max_connections_permitted)
			{
                             
		              init_state(&__session_tab.cid_info[connect_id].curr_state);
		              set_state(&__session_tab.cid_info[connect_id].curr_state ,STATE_CONNECTED);
		              __session_tab.cid_info[connect_id].sequence_number = 0;  
		              __session_tab.cid_info[connect_id].buf_len = 0;  	
			        
                              send_connect_ack(src_id  , requested_mtu , connect_id,sender_id); 

			}
		        else
		        {
                              fprintf(stderr ,"%s", "\n Connection not possilbe  all slots full \n"); 
                              
		        }	
                        break;
		case CONTROL_ACK:
                        seq_no = get_sequence_number(buffer);
                        current_sender_id = get_sender_id(buffer);
			connect_id  = get_cid(buffer); 
			sender_buffer[current_sender_id].seq_no = seq_no; 
		        sender_buffer[current_sender_id].response_code = CONTROL_ACK; 
			sender_buffer[current_sender_id].connection_id = connect_id; 
                        break;
		case CONTROL_DATA:
		   {	
                       
			fprintf(stderr,"DATA packet received  ... ");    
		        connect_id  = get_cid(buffer);
		        seq_no = get_sequence_number(buffer);
			sender_id = get_sender_id(buffer);
                        cid_seq_no = __session_tab.cid_info[connect_id].sequence_number;
                        current_cid_state = get_state(&__session_tab.cid_info[connect_id].curr_state); 			
			fprintf(stderr,"\n seq no = %d cid seq no = %d window size = %d  CID = %d" , seq_no , cid_seq_no , get_window_size(buffer) , connect_id);
		        /* are we getting the next sequnce number  & we are connected */
			if( (  seq_no == cid_seq_no + 1 ) )
			{
                              win_size = get_window_size(buffer); 
		              realloc_buffer = malloc(win_size + __session_tab.cid_info[connect_id].buf_len);
		              if ( __session_tab.cid_info[connect_id].buf_len >  0  && ( current_cid_state != STATE_CLOSE)) 
			      {
			              memcpy(realloc_buffer,__session_tab.cid_info[connect_id].data_buf,__session_tab.cid_info[connect_id].buf_len);
				      realloc_buf_ptr = (char *) realloc_buffer + __session_tab.cid_info[connect_id].buf_len ;
				      packet_data    = (char *) buffer + TRASPORT_LAYER_SIZE ;  
				      memcpy(realloc_buf_ptr,packet_data , win_size);
				      __session_tab.cid_info[connect_id].buf_len += win_size; 
				      free( __session_tab.cid_info[connect_id].data_buf); 
				      __session_tab.cid_info[connect_id].data_buf = realloc_buffer;
                                      __session_tab.cid_info[connect_id].sequence_number++;
				      send_ack_request(src_id,seq_no,sender_id) ;   
		              }	     
			      else
			      {

				      packet_data    = (char *) buffer + TRASPORT_LAYER_SIZE ;  
				      memcpy(realloc_buffer,packet_data , win_size); 
//.........这里部分代码省略.........

//.........这里部分代码省略.........
          free_hash(rsv_ht);
          free(current_node_id);
          return(PBSE_NONE);
          }

        if ((current = find_node_in_allnodes(&parent->alps_subnodes, current_node_id)) == NULL)
          {
          /* current node disappeared, this shouldn't be possible either */
          unlock_node(parent, __func__, NULL, LOGLEVEL);
          snprintf(log_buf, sizeof(log_buf), "Current node '%s' disappeared while recording a reservation",
            current_node_id);
          log_err(PBSE_UNKNODE, __func__, log_buf);
          free_arst(&temp);
          free_all_keys(rsv_ht);
          free_hash(rsv_ht);
          free(current_node_id);
          return(PBSE_NONE);
          }

        free(current_node_id);
        current_node_id = NULL;
        }
      }
    /* save this as is to the status strings */
    else if ((rc = decode_arst(&temp, NULL, NULL, str, 0)) != PBSE_NONE)
      {
      free_arst(&temp);
      free_all_keys(rsv_ht);
      free_hash(rsv_ht);
      return(rc);
      }

    /* perform any special processing */
    if (!strncmp(str, ccu_eq, ac_ccu_eq_len))
      {
      /* save compute unit count in case we need it */
      /* note: this string (ccu_eq (CCU=)) needs to be found before cprocs_eq (CPROCS=) */
      /*  for the node */
      ccu_p = str;
      }
    else if (!strncmp(str, cproc_eq, ac_cproc_eq_len))
      {
      int ncpus;
      long svr_nppcu_value = 0;

      /*
       * Get the server nppcu value which determines how Hyper-Threaded
       * cores are reported. When server nppcu value is:
       *
       *  0 - Let ALPS choose whether or not to use Hyper-Threaded cores 
       *      (report all cores)
       *  1 - Do not use Hyper-Threaded cores
       *      (report only physical core (compute unit count)
       *  2 - Use Hyper-Threaded cores
       *      (report all cores)
       */
      get_svr_attr_l(SRV_ATR_nppcu, &svr_nppcu_value);

      if (svr_nppcu_value == NPPCU_NO_USE_HT && ccu_p != NULL)
        {
        /* no HT (nppcu==1), so use compute unit count */
        ncpus = atoi(ccu_p + ac_ccu_eq_len);

        /* use CPROC value if we are using APBASIL protocol < 1.3 */
        if (ncpus == 0)
          ncpus = atoi(str + ac_cproc_eq_len);

        /* reset the pointer */
        ccu_p = NULL;
        }
      else
        {
        /* let ALPS choose (nppcu==0) or use HT (nppcu==2), use actual processor count */
        ncpus = atoi(str + ac_cproc_eq_len);
        }

      set_ncpus(current, parent, ncpus);
      }
    else if (!strncmp(str, state, strlen(state)))
      {
      set_state(current, str);
      }

    } /* END processing the status update */

  if (current != NULL)
    {
    snprintf(node_index_buf, sizeof(node_index_buf), "node_index=%d", node_index++);
    decode_arst(&temp, NULL, NULL, node_index_buf, 0);
    save_node_status(current, &temp);
    unlock_node(current, __func__, NULL, LOGLEVEL);
    }

  unlock_node(parent, __func__, NULL, LOGLEVEL);

  free_all_keys(rsv_ht);
  free_hash(rsv_ht);

  return(PBSE_NONE);
  } /* END process_alps_status() */

int main(int argc, char *argv[])
{
	struct tc_config tc[8];
	int i, err = 0;
	int newstate = -1;
	int read_only = 0;
	__u8 state;
	__u8 pfc[8] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
	__u8 bwg[8] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
	__u8 mac[ETH_ALEN], san_mac[ETH_ALEN];
	__u8 cap[DCB_CAP_ATTR_MAX+1];
	__u8 numtcs;
	bcn_cfg bcn_set_data, bcn_data;
#ifdef DCB_APP_DRV_IF_SUPPORTED
	appgroup_attribs app_data = {DCB_APP_IDTYPE_ETHTYPE, 0x8906, 0x08};
#endif /* DCB_APP_DRV_IF_SUPPORTED */
	int ifindex;
	int optind = 1;
	char *ifname;

	printf("Calling RTNETLINK interface.\n");
	if (argc < 2) {
		fprintf(stderr, "usage: %s [-v] <ifname> [on|off|ro]\n",
			argv[0]);
		exit(1);
	}

	if (argc > 2) {
		if (!strcmp(argv[1], "-v")) {
			hexdump = 1;
			optind++;
		}
		if (argc > optind + 1) {
			if (!strcmp(argv[optind + 1], "on"))
				newstate = 1;
			if (!strcmp(argv[optind + 1], "off"))
				newstate = 0;
			if (!strcmp(argv[optind + 1], "ro"))
				read_only = 1;
		}
	}
	ifname = argv[optind];
	ifindex = if_nametoindex(ifname);
	if (ifindex == 0) {
		printf("no ifindex for %s\n", ifname);
		exit(1);
	}

	if ((nl_sd = init_socket()) < 0) {
		fprintf(stderr, "error creating netlink socket\n");
		return nl_sd;
	}

#ifdef DO_GETLINK_QUERY
	printf("DOING A GETLINK COMMAND\n");
	nlh = start_msg(RTM_GETLINK, ifindex);
	if (nlh == NULL)
		exit(1);
	if (send_msg(nlh))
		exit(1);
	free(nlh);
	nlh = get_msg();
#endif

	printf("GETTING DCB STATE\n");
	err = get_state(ifname, &state);
	if (err) {
		fprintf(stderr, "Error getting DCB state\n");
		goto err_main;
	}
	printf("DCB State = %d\n", state);

	if (newstate >= 0) {
		printf("\nSETTING DCB STATE TO: %d\n", newstate);
		err = set_state(ifname, newstate);
		if (err)
			goto err_main;

		err = get_state(ifname, &state);
		if (err) {
			fprintf(stderr, "Error getting DCB state\n");
			goto err_main;
		}
		printf("New DCB State = %d\n", state);
	}

	printf("\nGETTING PFC CONFIGURATION\n");
	for (i=0; i<8; i++)
		pfc[i] = 0x0f;
	get_pfc_cfg(ifname, pfc);
	printf("PFC config:\n");
	for (i=0; i<8; i++)
		printf("%x ", pfc[i]);
	printf("\n");

	get_pfc_state(ifname, &state);
	if (err) {
		fprintf(stderr, "Error getting PFC status\n");
		goto err_main;
	}
//.........这里部分代码省略.........

void RedChannel::run()
{
    for (;;) {
        Lock lock(_action_lock);
        if (_action == WAIT_ACTION) {
            _action_cond.wait(lock);
        }
        int action = _action;
        _action = WAIT_ACTION;
        lock.unlock();
        switch (action) {
        case CONNECT_ACTION:
            try {
                get_client().get_sync_info(get_type(), get_id(), _sync_info);
                on_connecting();
                set_state(CONNECTING_STATE);
                ConnectionOptions con_options(_client.get_connection_options(get_type()),
                                              _client.get_port(),
                                              _client.get_sport(),
                                              _client.get_protocol(),
                                              _client.get_host_auth_options(),
                                              _client.get_connection_ciphers());
                RedChannelBase::connect(con_options, _client.get_connection_id(),
                                        _client.get_host().c_str(),
                                        _client.get_password().c_str());
                /* If automatic protocol, remember the first connect protocol type */
                if (_client.get_protocol() == 0) {
                    if (get_peer_major() == 1) {
                        _client.set_protocol(1);
                    } else {
                        /* Major is 2 or unstable high value, use 2 */
                        _client.set_protocol(2);
                    }
                }
                /* Initialize when we know the remote major version */
                if (_client.get_peer_major() == 1) {
                    _marshallers = spice_message_marshallers_get1();
                } else {
                    _marshallers = spice_message_marshallers_get();
                }
                on_connect();
                set_state(CONNECTED_STATE);
                _loop.add_socket(*this);
                _socket_in_loop = true;
                on_event();
                _loop.run();
            } catch (RedPeer::DisconnectedException&) {
                _error = SPICEC_ERROR_CODE_SUCCESS;
            } catch (Exception& e) {
                LOG_WARN("%s", e.what());
                _error = e.get_error_code();
            } catch (std::exception& e) {
                LOG_WARN("%s", e.what());
                _error = SPICEC_ERROR_CODE_ERROR;
            }
            if (_socket_in_loop) {
                _socket_in_loop = false;
                _loop.remove_socket(*this);
            }
            if (_outgoing_message) {
                _outgoing_message->release();
                _outgoing_message = NULL;
            }
            _incomming_header_pos = 0;
            if (_incomming_message) {
                _incomming_message->unref();
                _incomming_message = NULL;
            }
        case DISCONNECT_ACTION:
            close();
            on_disconnect();
            set_state(DISCONNECTED_STATE);
            _client.on_channel_disconnected(*this);
            continue;
        case QUIT_ACTION:
            set_state(TERMINATED_STATE);
            return;
        }
    }
}

// abort a result that's not currently running
//
void RESULT::abort_inactive(int status) {
    if (state() >= RESULT_COMPUTE_ERROR) return;
    set_state(RESULT_ABORTED, "RESULT::abort_inactive");
    exit_status = status;
}