使用websocket,双ibeacons判断方向

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只调用ibeacon的接口
//
//  ViewController.m
//  ibb
//
//  Created by xiao7 on 14/12/15.
//  Copyright (c) 2014年 killinux. All rights reserved.
//

#import "ViewController.h"
@import CoreLocation;

@interface ViewController () 
@property NSMutableDictionary *beacons;
@property CLLocationManager *locationManager;
@property NSMutableDictionary *rangedRegions;

@property (nonatomic, copy, readonly) NSArray *supportedProximityUUIDs;
@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    NSLog(@"viewDidLoad------");
    self.beacons = [[NSMutableDictionary alloc] init];
    self.locationManager = [[CLLocationManager alloc] init];
    self.locationManager.delegate = self;
    [self.locationManager requestAlwaysAuthorization];
    
    self.rangedRegions = [[NSMutableDictionary alloc] init];
    _supportedProximityUUIDs = @[
                                 [[NSUUID alloc] initWithUUIDString:@"E2C56DB5-DFFB-48D2-B060-D0F5A71096E0"],
                                 [[NSUUID alloc] initWithUUIDString:@"DDDDDDDD-DDDD-DDDD-AAAA-DDDDDDDDDDDD"]
                                 //,[[NSUUID alloc] initWithUUIDString:@"DDDDDDDD-DDDD-DDDD-DDDD-DDDDDDDDDDDD"]
                                 ];
    for (NSUUID *uuid in _supportedProximityUUIDs)
    {
        CLBeaconRegion *region = [[CLBeaconRegion alloc] initWithProximityUUID:uuid identifier:[uuid UUIDString]];
        self.rangedRegions[region] = [NSArray array];
    }
}
- (void)viewDidAppear:(BOOL)animated
{
    [super viewDidAppear:animated];
    for (CLBeaconRegion *region in self.rangedRegions)
    {
        [self.locationManager startRangingBeaconsInRegion:region];
    }
}
- (void)locationManager:(CLLocationManager *)manager didRangeBeacons:(NSArray *)beacons inRegion:(CLBeaconRegion *)region
{
    NSLog(@"locationManager--------didRangeBeacons:%d",beacons.count);
    self.rangedRegions[region] = beacons;
    [self.beacons removeAllObjects];
    NSLog(@"locationManager-begin");
    if(beacons.count!=0){
        NSArray *allvalue=[self.rangedRegions allValues];
        if(allvalue.count==2){
            NSArray *regionResult = allvalue[0];
            CLBeacon *thisregion = regionResult[0];
            //NSLog(@"--%.2f", thisregion.accuracy);
            NSArray *regionResult2 = allvalue[1];
            if(regionResult2.count>0){
                CLBeacon *thisregion2 = regionResult2[0];
                // NSLog(@"--%.2f", thisregion2.accuracy);
                if(thisregion.accuracy>0 && thisregion2.accuracy>0){
                    NSLog(@"%.2f", thisregion2.accuracy-thisregion.accuracy);
                    if((thisregion2.accuracy-thisregion.accuracy)<0){
                        NSLog(@"left");
                    }else{
                        //NSLog(@"%.2f", ABS(thisregion2.accuracy-thisregion.accuracy));
                        if(ABS(thisregion2.accuracy-thisregion.accuracy)<0.1){
                            NSLog(@"w");
                        }else{
                            NSLog(@"right");
                        }
                    }
                }
            }
        }
    }
}
- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

@end



加上websocket的接口

//
//  ViewController.m
//  ibb
//
//  Created by xiao7 on 14/12/15.
//  Copyright (c) 2014年 killinux. All rights reserved.
//

#import "ViewController.h"
#import "SocketRocket/SRWebSocket.h"
@import CoreLocation;

@interface ViewController () 


@property NSMutableDictionary *beacons;
@property CLLocationManager *locationManager;
@property NSMutableDictionary *rangedRegions;

@property (nonatomic, copy, readonly) NSArray *supportedProximityUUIDs;

@property (nonatomic, strong) SRWebSocket *mywebSocket;


@end

@implementation ViewController
//NSString *websocket_url = @"ws://haoning.net/webs/websocket/test";
NSString *websocket_url = @"ws://192.168.0.112:8000/chat";

- (void)viewDidLoad {
    [super viewDidLoad];
    //websocket init
    _mywebSocket.delegate = nil;
    [_mywebSocket close];
    _mywebSocket = [[SRWebSocket alloc] initWithURLRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:websocket_url]]];
    _mywebSocket.delegate = self;
    [_mywebSocket open];
    NSLog(@"viewDidLoad------");
    self.beacons = [[NSMutableDictionary alloc] init];
    self.locationManager = [[CLLocationManager alloc] init];
    self.locationManager.delegate = self;
    [self.locationManager requestAlwaysAuthorization];
    
    self.rangedRegions = [[NSMutableDictionary alloc] init];
    _supportedProximityUUIDs = @[
                                 [[NSUUID alloc] initWithUUIDString:@"E2C56DB5-DFFB-48D2-B060-D0F5A71096E0"],
                                 [[NSUUID alloc] initWithUUIDString:@"DDDDDDDD-DDDD-DDDD-AAAA-DDDDDDDDDDDD"]
                                 //,[[NSUUID alloc] initWithUUIDString:@"DDDDDDDD-DDDD-DDDD-DDDD-DDDDDDDDDDDD"]
                                 ];
    for (NSUUID *uuid in _supportedProximityUUIDs)
    {
        CLBeaconRegion *region = [[CLBeaconRegion alloc] initWithProximityUUID:uuid identifier:[uuid UUIDString]];
        self.rangedRegions[region] = [NSArray array];
    }
    
}
- (void)viewDidAppear:(BOOL)animated
{
    [super viewDidAppear:animated];
    for (CLBeaconRegion *region in self.rangedRegions)
    {
        [self.locationManager startRangingBeaconsInRegion:region];
    }
}
- (void)locationManager:(CLLocationManager *)manager didRangeBeacons:(NSArray *)beacons inRegion:(CLBeaconRegion *)region
{
    NSLog(@"locationManager--------didRangeBeacons:%d",beacons.count);
    self.rangedRegions[region] = beacons;
    [self.beacons removeAllObjects];
    NSLog(@"locationManager-begin");
    if(beacons.count!=0){
        NSArray *allvalue=[self.rangedRegions allValues];
        if(allvalue.count==2){
            NSArray *regionResult = allvalue[0];
            CLBeacon *thisregion = regionResult[0];
            //NSLog(@"--%.2f", thisregion.accuracy);
            NSArray *regionResult2 = allvalue[1];
            if(regionResult2.count>0){
                CLBeacon *thisregion2 = regionResult2[0];
                // NSLog(@"--%.2f", thisregion2.accuracy);
                if(thisregion.accuracy>0 && thisregion2.accuracy>0){
                    NSLog(@"%.2f", thisregion2.accuracy-thisregion.accuracy);
                    if((thisregion2.accuracy-thisregion.accuracy)<0){
                        NSLog(@"left");
                        [_mywebSocket send:@"a"];
                    }else{
                        //NSLog(@"%.2f", ABS(thisregion2.accuracy-thisregion.accuracy));
                        if(ABS(thisregion2.accuracy-thisregion.accuracy)<0.1){
                            NSLog(@"w");
                            [_mywebSocket send:@"w"];
                        }else{
                            NSLog(@"right");
                            [_mywebSocket send:@"d"];
                        }
                    }
                }
            }
        }
    }
}
- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}
//----------------
//pragma websocket
- (void)webSocketDidOpen:(SRWebSocket *)webSocket;
{
    NSLog(@"Websocket Connected");
    self.title = @"Connected!";
}

- (void)webSocket:(SRWebSocket *)webSocket didFailWithError:(NSError *)error;
{
    NSLog(@":( Websocket Failed With Error %@", error);
    _mywebSocket = nil;
}

- (void)webSocket:(SRWebSocket *)webSocket didReceiveMessage:(id)message;
{
    NSLog(@"websocket Received \"%@\"", message);
    NSArray *messageArray = [message componentsSeparatedByString:@","];
    if(messageArray.count<3){
        NSLog(@"error parameter not right:%@",message);
        //        NSDictionary *dict8 = [NSDictionary dictionaryWithObjectsAndKeys:@"haoning",@"name",message,@"content", nil];
        //        [_resultArray addObject:dict8];
    }else{
        NSDictionary *dict8 = [NSDictionary dictionaryWithObjectsAndKeys:messageArray[0],@"name",messageArray[2],@"content", nil];

    }

}

- (void)webSocket:(SRWebSocket *)webSocket didCloseWithCode:(NSInteger)code reason:(NSString *)reason wasClean:(BOOL)wasClean;
{
    NSLog(@"WebSocket closed");
    self.title = @"Connection Closed! (see logs)";
    _mywebSocket = nil;
}
@end




websocket的服务端代码,使用tornado
#!/usr/bin/python
#coding:utf-8
import os.path

import tornado.httpserver
import tornado.web
import tornado.ioloop
import tornado.options
import tornado.httpclient
import tornado.websocket

import json

import RPi.GPIO as GPIO
import time
#GPIO.setwarnings(False) 
#GPIO.setmode(GPIO.BCM)
#GPIO.setup(17,GPIO.OUT)
#GPIO.setup(18,GPIO.OUT)
#GPIO.setup(22,GPIO.OUT)
#GPIO.setup(23,GPIO.OUT)



class IndexHandler(tornado.web.RequestHandler):
    def get(self):
      self.render("index.html")

class SocketHandler(tornado.websocket.WebSocketHandler):
    """docstring for SocketHandler"""
    clients = set()

    @staticmethod
    def send_to_all(message):
        for c in SocketHandler.clients:
            c.write_message(json.dumps(message))

    def open(self):
#        GPIO.setwarnings(False) 
        GPIO.setmode(GPIO.BCM)
        GPIO.setup(17,GPIO.OUT)
        GPIO.setup(18,GPIO.OUT)
        GPIO.setup(22,GPIO.OUT)
        GPIO.setup(23,GPIO.OUT)
        self.write_message(json.dumps({
        'type': 'sys',
        'message': 'Welcome to WebSocket',
        }))
        SocketHandler.send_to_all({
        'type': 'sys',
        'message': str(id(self)) + ' has joined',
        })
        SocketHandler.clients.add(self)

    def on_close(self):
        SocketHandler.clients.remove(self)
        SocketHandler.send_to_all({
        'type': 'sys',
        'message': str(id(self)) + ' has left',
        })

    def on_message(self, message):
        if(message == 'w'):
            GPIO.output(17,False) 
            GPIO.output(18,True)
            GPIO.output(22,False)
            GPIO.output(23,True)
        elif(message == 'a'):
            GPIO.output(17,False)
            GPIO.output(18,True)
            GPIO.output(22,False)
            GPIO.output(23,False)
        elif(message == 'd'):
            GPIO.output(17,False)
            GPIO.output(18,False)
            GPIO.output(22,False)
            GPIO.output(23,True)
        elif(message == 's'):
            GPIO.output(17,True)
            GPIO.output(18,False)
            GPIO.output(22,True)
            GPIO.output(23,False)
        else:
            GPIO.output(17,False)
            GPIO.output(18,False)
            GPIO.output(22,False)
            GPIO.output(23,False)
        SocketHandler.send_to_all({
            'type': 'user',
            'id': id(self),
            'message': message,
        })
    
##MAIN
if __name__ == '__main__':
    app = tornado.web.Application(
      handlers=[
        (r"/", IndexHandler),
        (r"/chat", SocketHandler)
      ],
    debug = True,
    #  template_path = os.path.join(os.path.dirname(__file__), "templates"),
    #     static_path = os.path.join(os.path.dirname(__file__), "static")
    )
    app.listen(8000)
    tornado.ioloop.IOLoop.instance().start()

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