本文整理汇总了C#中IPAddress.GetAddress方法的典型用法代码示例。如果您正苦于以下问题:C# IPAddress.GetAddress方法的具体用法?C# IPAddress.GetAddress怎么用?C# IPAddress.GetAddress使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类IPAddress
的用法示例。
在下文中一共展示了IPAddress.GetAddress方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: SendPingAsyncCore
// Any exceptions that escape synchronously will be caught by the caller and wrapped in a PingException.
// We do not need to or want to capture such exceptions into the returned task.
private Task<PingReply> SendPingAsyncCore(IPAddress address, byte[] buffer, int timeout, PingOptions options)
{
var tcs = new TaskCompletionSource<PingReply>();
_taskCompletionSource = tcs;
_ipv6 = (address.AddressFamily == AddressFamily.InterNetworkV6);
_sendSize = buffer.Length;
// Get and cache correct handle.
if (!_ipv6 && _handlePingV4 == null)
{
_handlePingV4 = Interop.IpHlpApi.IcmpCreateFile();
if (_handlePingV4.IsInvalid)
{
_handlePingV4 = null;
throw new Win32Exception(); // Gets last error.
}
}
else if (_ipv6 && _handlePingV6 == null)
{
_handlePingV6 = Interop.IpHlpApi.Icmp6CreateFile();
if (_handlePingV6.IsInvalid)
{
_handlePingV6 = null;
throw new Win32Exception(); // Gets last error.
}
}
var ipOptions = new Interop.IpHlpApi.IPOptions(options);
if (_replyBuffer == null)
{
_replyBuffer = SafeLocalAllocHandle.LocalAlloc(MaxUdpPacket);
}
// Queue the event.
int error;
try
{
if (_pingEvent == null)
{
_pingEvent = new ManualResetEvent(false);
}
else
{
_pingEvent.Reset();
}
_registeredWait = ThreadPool.RegisterWaitForSingleObject(_pingEvent, (state, _) => ((Ping)state).PingCallback(), this, -1, true);
SetUnmanagedStructures(buffer);
if (!_ipv6)
{
SafeWaitHandle pingEventSafeWaitHandle = _pingEvent.GetSafeWaitHandle();
error = (int)Interop.IpHlpApi.IcmpSendEcho2(
_handlePingV4,
pingEventSafeWaitHandle,
IntPtr.Zero,
IntPtr.Zero,
(uint)address.GetAddress(),
_requestBuffer,
(ushort)buffer.Length,
ref ipOptions,
_replyBuffer,
MaxUdpPacket,
(uint)timeout);
}
else
{
IPEndPoint ep = new IPEndPoint(address, 0);
Internals.SocketAddress remoteAddr = IPEndPointExtensions.Serialize(ep);
byte[] sourceAddr = new byte[28];
SafeWaitHandle pingEventSafeWaitHandle = _pingEvent.GetSafeWaitHandle();
error = (int)Interop.IpHlpApi.Icmp6SendEcho2(
_handlePingV6,
pingEventSafeWaitHandle,
IntPtr.Zero,
IntPtr.Zero,
sourceAddr,
remoteAddr.Buffer,
_requestBuffer,
(ushort)buffer.Length,
ref ipOptions,
_replyBuffer,
MaxUdpPacket,
(uint)timeout);
}
}
catch
{
UnregisterWaitHandle();
throw;
}
if (error == 0)
{
//.........这里部分代码省略.........
示例2: InternalSend
private PingReply InternalSend(IPAddress address, byte[] buffer, int timeout, PingOptions options, bool async)
{
_ipv6 = (address.AddressFamily == AddressFamily.InterNetworkV6) ? true : false;
_sendSize = buffer.Length;
// Get and cache correct handle.
if (!_ipv6 && _handlePingV4 == null)
{
_handlePingV4 = Interop.IpHlpApi.IcmpCreateFile();
if (_handlePingV4.IsInvalid)
{
_handlePingV4 = null;
throw new Win32Exception(); // Gets last error.
}
}
else if (_ipv6 && _handlePingV6 == null)
{
_handlePingV6 = Interop.IpHlpApi.Icmp6CreateFile();
if (_handlePingV6.IsInvalid)
{
_handlePingV6 = null;
throw new Win32Exception(); // Gets last error.
}
}
var ipOptions = new Interop.IpHlpApi.IPOptions(options);
if (_replyBuffer == null)
{
_replyBuffer = SafeLocalAllocHandle.LocalAlloc(MaxUdpPacket);
}
// Queue the event.
int error;
try
{
if (async)
{
if (pingEvent == null)
{
pingEvent = new ManualResetEvent(false);
}
else
{
pingEvent.Reset();
}
_registeredWait = ThreadPool.RegisterWaitForSingleObject(pingEvent, new WaitOrTimerCallback(PingCallback), this, -1, true);
}
SetUnmanagedStructures(buffer);
if (!_ipv6)
{
if (async)
{
SafeWaitHandle pingEventSafeWaitHandle = pingEvent.GetSafeWaitHandle();
error = (int)Interop.IpHlpApi.IcmpSendEcho2(
_handlePingV4,
pingEventSafeWaitHandle,
IntPtr.Zero,
IntPtr.Zero,
(uint)address.GetAddress(),
_requestBuffer,
(ushort)buffer.Length,
ref ipOptions,
_replyBuffer,
MaxUdpPacket,
(uint)timeout);
}
else
{
error = (int)Interop.IpHlpApi.IcmpSendEcho2(
_handlePingV4,
IntPtr.Zero,
IntPtr.Zero,
IntPtr.Zero,
(uint)address.GetAddress(),
_requestBuffer,
(ushort)buffer.Length,
ref ipOptions,
_replyBuffer,
MaxUdpPacket,
(uint)timeout);
}
}
else
{
IPEndPoint ep = new IPEndPoint(address, 0);
Internals.SocketAddress remoteAddr = IPEndPointExtensions.Serialize(ep);
byte[] sourceAddr = new byte[28];
if (async)
{
SafeWaitHandle pingEventSafeWaitHandle = pingEvent.GetSafeWaitHandle();
error = (int)Interop.IpHlpApi.Icmp6SendEcho2(
_handlePingV6,
pingEventSafeWaitHandle,
IntPtr.Zero,
IntPtr.Zero,
//.........这里部分代码省略.........