public static void Callback_OnPacketArrival(object sender, SharpPcap.CaptureEventArgs e)
{
Boolean shouldEventHandlerCalled = true;
lock (_syncLock)
{
if (_stoppingCapture)
{
shouldEventHandlerCalled = false;
}
}
if (shouldEventHandlerCalled)
{
// Call Event handler of FormMain (in the context of FormMain thread)
PacketArrival del = MainForm.OnPacketArrival;
MainForm.Invoke(del, e);
}
}
private void ReadNextLoop()
{
PcapHeader packetHeader;
System.Byte[] arr;
IntPtr i, i1;
PCAP_NEXT_EX_STATE pcap_next_ex_state;
while (true)
{
packetHeader = null;
arr = null;
pcap_next_ex_state = ReadNextInternal(out packetHeader, out arr, out i, out i1);
if (pcap_next_ex_state == PCAP_NEXT_EX_STATE.SUCCESS)
{
if (PacketArrival != null)
{
PacketArrival.Invoke(this, packetHeader, arr);
}
}
}
}
protected virtual void OnPacketArrival(PacketArrivedEventArgs e)
{
PacketArrival?.Invoke(this, e);
}
public event PacketArrivedEventHandler PacketArrival;//声明时间句柄函数
private void OnPacketArrival(PacketArrivedEventArgs e)
{
PacketArrival?.Invoke(this, e);//触发事件
}
protected virtual void OnPacketArrival(Packet packet)
{
PacketArrival?.Invoke(this, packet);
}