1 | using System;
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2 | using System.Collections.Generic;
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3 | using System.Html;
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4 | using System.Net.WebSockets;
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5 | using System.Runtime.CompilerServices;
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6 | using System.Web;
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7 | using jQueryApi;
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8 |
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9 | public class NiseEvent
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10 | {
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11 | public string type;
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12 |
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13 | public NiseEvent(string type)
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14 | {
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15 | this.type = type;
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16 | }
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17 | }
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18 |
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19 | public class MessageEvent : NiseEvent
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20 | {
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21 | public string data;
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22 |
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23 | public MessageEvent(string data)
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24 | : base("message")
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25 | {
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26 | this.data = data;
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27 | }
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28 | }
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29 |
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30 | public class CloseEvent : NiseEvent
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31 | {
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32 | public const ushort CLOSE_NORMAL = 1000;
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33 | public const ushort CLOSE_GOING_AWAY = 1001;
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34 | public const ushort CLOSE_PROTOCOL_ERROR = 1002;
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35 | public const ushort CLOSE_UNSUPPORTED = 1003;
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36 | public const ushort CLOSE_TOO_LARGE = 1004;
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37 | public const ushort CLOSE_NO_STATUS = 1005;
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38 | public const ushort CLOSE_ABNORMAL = 1006;
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39 |
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40 | public ushort code;
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41 | public string reason;
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42 |
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43 | public CloseEvent(ushort code, string reason)
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44 | : base("close")
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45 | {
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46 | this.code = code;
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47 | this.reason = reason;
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48 | }
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49 | }
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50 |
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51 | public delegate void NiseHtmlEventHandler(NiseEvent @event);
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52 |
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53 | public class NiseWebSocket
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54 | {
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55 | public const ushort CLOSED = (ushort)ReadyState.Closed;
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56 | public const ushort CLOSING = (ushort)ReadyState.Closing;
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57 | public const ushort CONNECTING = (ushort)ReadyState.Connecting;
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58 | public const ushort OPEN = (ushort)ReadyState.Open;
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59 |
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60 | string _Url;
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61 | string[] _Protocols;
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62 | ReadyState _ReadyState = ReadyState.Open;
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63 | int _PollingTimer;
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64 |
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65 | public NiseWebSocket(string url)
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66 | {
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67 | int opentimer = 0;
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68 | _ReadyState = ReadyState.Connecting;
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69 | _Url = url.ReplaceFirst("ws://", "http://");
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70 | opentimer = Window.SetTimeout(() =>
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71 | {
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72 | Window.ClearTimeout(opentimer);
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73 | Opend();
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74 | }, 1000);
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75 | }
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76 |
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77 | private void Opend()
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78 | {
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79 | _ReadyState = ReadyState.Open;
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80 | NiseEvent oe = new NiseEvent("open");
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81 | if (OnOpen != null)
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82 | OnOpen(oe);
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83 |
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84 | _PollingTimer = Window.SetInterval(() =>
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85 | {
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86 | jQuery.Ajax(new jQueryAjaxOptions()
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87 | {
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88 | Url = _Url,
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89 | Type = "POST",
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90 | DataType = "json",
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91 | Data = "{\"brk_wai\":\"Polling\"}",
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92 | Success = (respo, textStatus, request) =>
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93 | {
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94 | if (respo != null) {
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95 | MessageEvent e = new MessageEvent(request.ResponseText);
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96 | if (OnMessage != null)
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97 | OnMessage(e);
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98 | }
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99 | },
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100 | Error = (request, textStatus, error) =>
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101 | {
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102 | }
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103 | });
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104 | }, 1000);
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105 | }
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106 |
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107 | public NiseWebSocket(string url, string protocols)
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108 | : this(url)
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109 | {
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110 | _Protocols = protocols.Split(',');
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111 | }
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112 |
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113 | public NiseWebSocket(string url, string[] protocols)
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114 | : this(url)
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115 | {
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116 | _Protocols = protocols;
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117 | }
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118 |
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119 | [IntrinsicProperty]
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120 | public BinaryType BinaryType { get; set; }
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121 | [IntrinsicProperty]
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122 | public int BufferedAmount { get; private set; }
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123 | [IntrinsicProperty]
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124 | public string Extensions { get; private set; }
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125 | [IntrinsicProperty]
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126 | [ScriptName("onclose")]
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127 | public NiseHtmlEventHandler OnClose { get; set; }
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128 | [IntrinsicProperty]
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129 | [ScriptName("onerror")]
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130 | public NiseHtmlEventHandler OnError { get; set; }
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131 | [IntrinsicProperty]
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132 | [ScriptName("onmessage")]
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133 | public NiseHtmlEventHandler OnMessage { get; set; }
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134 | [IntrinsicProperty]
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135 | [ScriptName("onopen")]
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136 | public NiseHtmlEventHandler OnOpen { get; set; }
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137 | [IntrinsicProperty]
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138 | public string Protocol { get { return String.Join(",", _Protocols); } }
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139 | [IntrinsicProperty]
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140 | public ReadyState ReadyState { get { return _ReadyState; } }
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141 | [IntrinsicProperty]
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142 | public string Url { get { return _Url; } }
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143 |
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144 | public void Close()
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145 | {
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146 | if (_PollingTimer != 0) {
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147 | Window.ClearInterval(_PollingTimer);
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148 | _PollingTimer = 0;
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149 | }
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150 |
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151 | int closetimer = 0;
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152 | _ReadyState = ReadyState.Closing;
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153 |
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154 | closetimer = Window.SetTimeout(() =>
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155 | {
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156 | Window.ClearTimeout(closetimer);
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157 | Closed(CloseEvent.CLOSE_NORMAL, "");
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158 | }, 1000);
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159 | }
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160 |
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161 | private void Closed(ushort code, string reason)
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162 | {
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163 | _ReadyState = ReadyState.Closed;
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164 | CloseEvent oe = new CloseEvent(code, reason);
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165 | if (OnClose != null)
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166 | OnClose(oe);
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167 | }
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168 |
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169 | public void Send(string data)
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170 | {
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171 | jQuery.Ajax(new jQueryAjaxOptions()
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172 | {
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173 | Url = _Url,
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174 | Type = "POST",
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175 | Data = data,
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176 | DataType = "json",
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177 | Success = (respo, textStatus, request) =>
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178 | {
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179 | if (respo != null) {
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180 | MessageEvent e = new MessageEvent(request.ResponseText);
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181 | if (OnMessage != null)
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182 | OnMessage(e);
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183 | }
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184 | },
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185 | Error = (request, textStatus, error) =>
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186 | {
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187 | NiseEvent e = new NiseEvent("error");
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188 | OnError(e);
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189 | }
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190 | });
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191 | }
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192 | }
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