[101] | 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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