-
Notifications
You must be signed in to change notification settings - Fork 0
/
RateAllocate.swift
85 lines (67 loc) · 2.7 KB
/
RateAllocate.swift
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
//
// RateAllocate.swift
// Messenger
//
// Created by 虞子轩 on 16/3/23.
// Copyright © 2016年 Zixuan. All rights reserved.
//
import UIKit
public class RateAllocate {
func checkStatus(){
var number : [Int] = []
let urlComponents = NSURLComponents(string: serverUrl + "update")!
reqReal = reqReal + preRate - rate
//send data of request to server
urlComponents.queryItems = [
NSURLQueryItem(name: "type", value: String(2)),
NSURLQueryItem(name: "userid", value: uuid),
NSURLQueryItem(name: "reqNumber", value: String(reqNumber)),
NSURLQueryItem(name: "reqWeight", value: String(reqWeight)),
NSURLQueryItem(name: "reqNumOne", value: String(reqNumOne)),
NSURLQueryItem(name: "reqNumTwo", value: String(reqNumTwo)),
NSURLQueryItem(name: "reqNumThe", value: String(reqNumThe)),
NSURLQueryItem(name: "reqReal", value: String(reqReal))
]
print(urlComponents.URL)
//reset all data
reqNumber = 0; reqWeight = 0; reqReal = 0
reqNumOne = 0; reqNumTwo = 0; reqNumThe = 0
let request = NSMutableURLRequest(URL: urlComponents.URL!)
request.HTTPMethod = "GET"
let task = NSURLSession.sharedSession().dataTaskWithRequest(request) {
data, response, error in
//if has error, using the ways like AIMD TCP to do rate allocate
if error != nil {
if errorCode == 0 {
rate = preRate + 1
preRate = preRate + 1
}else{
errorCode = 0
rate = preRate / 2
preRate = preRate / 2
}
print("error=\(error)")
return
}
let responseString = NSString(data: data!, encoding: NSUTF8StringEncoding)
print("responseString = \(responseString)")
number = getNumber(responseString)
//the number in response should be 1, if more numbers occur, there are some errors on the server
if number.count == 1 {
rate = number[0]
preRate = number[0]
errorCode = 0
}else{
if errorCode == 0 {
rate = preRate + 1
preRate = preRate + 1
}else{
errorCode = 0
rate = preRate / 2
preRate = preRate / 2
}
}
}
task.resume()
}
}