299 lines
8.9 KiB
C#
299 lines
8.9 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Threading;
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namespace Urovo
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{
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#region enum
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/// <summary>
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/// ConnectType
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/// </summary>
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public enum ConnType
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{
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Offline = -1,
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Gprs,
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Wlan
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}
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/// <summary>
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/// ConnState
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/// </summary>
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public enum ConnState
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{
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Disconnectiong = 3,
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Connecting=2,
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ConnectSuccess=1,
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NoConnect=0
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}
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#endregion
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#region ConnectNotifyEvent
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/// <summary>
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/// ConnectNotifyEventArgs
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/// </summary>
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public class ConnectNotifyEventArgs : EventArgs
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{
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private ConnState connectResult;
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private ConnType connectType;
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public ConnState ConnectResult
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{
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get { return connectResult; }
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}
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public ConnType ConnectType
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{
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get { return connectType; }
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}
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public ConnectNotifyEventArgs(ConnState connectResult, ConnType connectType)
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{
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this.connectResult = connectResult;
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this.connectType = connectType;
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}
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}
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/// <summary>
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/// ConnectNotifyEvent delegate
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/// </summary>
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/// <param name="sender">sender</param>
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/// <param name="e">ConnectNotifyEventArgs</param>
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public delegate void ConnectNotifyEventHandler(object sender, ConnectNotifyEventArgs e);
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#endregion
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public class NetworkManager
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{
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#region Event
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public event ConnectNotifyEventHandler ConnectNotify;
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protected virtual void OnConnectNotify(ConnectNotifyEventArgs e)
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{
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if (ConnectNotify != null)
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{
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ConnectNotify(this, e);
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}
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}
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#endregion
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#region Variable
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const int eventCount = 3;
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IntPtr[] hEvent = new IntPtr[eventCount];
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const string gprsName = "GPRS";
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uint waitTimeout = Win32.INFINITE;
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#endregion
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#region Property
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/// <summary>
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/// ConnectType
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/// </summary>
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public static ConnType ConnectType = ConnType.Offline;
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/// <summary>
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/// IsConnecting
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/// </summary>
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public static bool IsConnecting = false;
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/// <summary>
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/// GprsName
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/// </summary>
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public static string GprsName
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{
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get { return gprsName; }
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}
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#endregion
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#region Structure
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public NetworkManager()
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{
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for (int i = 0; i < eventCount; i++)
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{
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hEvent[i] = Win32.CreateEvent(IntPtr.Zero, false, false, null);
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}
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}
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~NetworkManager()
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{
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for (int i = 0; i < eventCount; i++)
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{
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Win32.CloseHandle(hEvent[i]);
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}
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}
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#endregion
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#region Method
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/// <summary>
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/// Start NetworkManagement Thread
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/// </summary>
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/// <returns></returns>
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public bool Start()
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{
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Thread t = new Thread(new ThreadStart(this.NetworkThreadPorc));
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t.Start();
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return true;
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}
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/// <summary>
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/// Stop NetworkManagement Thread
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/// </summary>
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public void Stop()
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{
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waitTimeout = Win32.INFINITE;
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this.ConnectNotify = null;
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Win32.EventModify(hEvent[0], Win32.EVENT_SET);
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}
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/// <summary>
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/// Send Connect Request
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/// </summary>
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/// <param name="type"></param>
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public void Connect(ConnType type)
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{
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waitTimeout = 30 * 1000;
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NetworkManager.ConnectType = type;
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Win32.EventModify(hEvent[1], Win32.EVENT_SET);
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}
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/// <summary>
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/// Send Disconnect Request
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/// </summary>
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/// <param name="netType"></param>
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public void Disconnect()
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{
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waitTimeout = Win32.INFINITE;
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Win32.EventModify(hEvent[2], Win32.EVENT_SET);
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}
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/// <summary>
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/// NetworkThreadPorc
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/// </summary>
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private void NetworkThreadPorc()
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{
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while (true)
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{
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//wait for 3 minute if not connect request.
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//the thread will auto maintenance the network state.
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uint evt = Win32.WaitForMultipleObjects(eventCount, hEvent, false, waitTimeout);
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if (evt == 0)//return the thread
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{
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return;
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}
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if (evt == 2)
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{
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//fire the ConnectNotify Event
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OnConnectNotify(new ConnectNotifyEventArgs(ConnState.Disconnectiong, ConnectType));
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switch (ConnectType)
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{
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case ConnType.Offline:
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Device.DisConnectGprs(gprsName);
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Device.DisableGsmModule();
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Device.DisableWlanModule();
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break;
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case ConnType.Gprs:
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Device.DisConnectGprs(gprsName);
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Device.DisableGsmModule();
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break;
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case ConnType.Wlan:
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Device.DisableWlanModule();
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break;
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}
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//fire the ConnectNotify Event
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OnConnectNotify(new ConnectNotifyEventArgs(ConnState.NoConnect, ConnectType));
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}
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else
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{
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IsConnecting = true;
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//fire the ConnectNotify Event
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OnConnectNotify(new ConnectNotifyEventArgs(ConnState.Connecting, ConnectType));
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//if the connect request then disable the no need Network.
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if (evt == 1)
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{
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switch (ConnectType)
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{
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case ConnType.Offline:
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Device.DisConnectGprs(gprsName);
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Device.DisableGsmModule();
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Device.DisableWlanModule();
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break;
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case ConnType.Gprs:
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Device.DisableWlanModule();
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break;
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case ConnType.Wlan:
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Device.DisConnectGprs(gprsName);
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Device.DisableGsmModule();
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break;
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}
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}
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ConnState res = ConnState.ConnectSuccess;
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if (!Device.CheckNetworkStat())
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{
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res = ConnState.NoConnect;
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switch (ConnectType)
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{
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case ConnType.Gprs:
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if (Device.EnableGsmModule())
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{
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if (Device.GetGprsStatus(gprsName))
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{
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Device.DisConnectGprs(gprsName);
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}
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uint err;
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if (Device.ConnectGprs(gprsName, out err))
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{
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res = ConnState.ConnectSuccess;
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Thread.Sleep(5000);
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}
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}
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break;
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case ConnType.Wlan:
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bool ret;
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if (Device.GetWlanPowerStatus() == 0)
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{
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ret = Device.EnableWlanModule();
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}
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else
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{
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ret = Device.RefreshWlanPreferredList();
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}
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Thread.Sleep(2000);
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for (int i = 0; i < 15; i++)
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{
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if (Device.CheckNetworkStat())
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{
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res = ConnState.ConnectSuccess;
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Thread.Sleep(3000);
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break;
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}
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Thread.Sleep(1000);
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}
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break;
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}
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}
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OnConnectNotify(new ConnectNotifyEventArgs(res, ConnectType));
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IsConnecting = false;
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}
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}
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}
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#endregion
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}
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}
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