本文整理汇总了C#中Ping.SendAsync方法的典型用法代码示例。如果您正苦于以下问题：C# Ping.SendAsync方法的具体用法？C# Ping.SendAsync怎么用？C# Ping.SendAsync使用的例子？那么, 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Ping的用法示例。
在下文中一共展示了Ping.SendAsync方法的5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: SendPingAsync_InvalidArgs
public async Task SendPingAsync_InvalidArgs()
{
IPAddress localIpAddress = await TestSettings.GetLocalIPAddress();
Ping p = new Ping();
// Null address
Assert.Throws<ArgumentNullException>("address", () => { p.SendPingAsync((IPAddress)null); });
Assert.Throws<ArgumentNullException>("hostNameOrAddress", () => { p.SendPingAsync((string)null); });
Assert.Throws<ArgumentNullException>("address", () => { p.SendAsync((IPAddress)null, null); });
Assert.Throws<ArgumentNullException>("hostNameOrAddress", () => { p.SendAsync((string)null, null); });
Assert.Throws<ArgumentNullException>("address", () => { p.Send((IPAddress)null); });
Assert.Throws<ArgumentNullException>("hostNameOrAddress", () => { p.Send((string)null); });
// Invalid address
Assert.Throws<ArgumentException>("address", () => { p.SendPingAsync(IPAddress.Any); });
Assert.Throws<ArgumentException>("address", () => { p.SendPingAsync(IPAddress.IPv6Any); });
Assert.Throws<ArgumentException>("address", () => { p.SendAsync(IPAddress.Any, null); });
Assert.Throws<ArgumentException>("address", () => { p.SendAsync(IPAddress.IPv6Any, null); });
Assert.Throws<ArgumentException>("address", () => { p.Send(IPAddress.Any); });
Assert.Throws<ArgumentException>("address", () => { p.Send(IPAddress.IPv6Any); });
// Negative timeout
Assert.Throws<ArgumentOutOfRangeException>("timeout", () => { p.SendPingAsync(localIpAddress, -1); });
Assert.Throws<ArgumentOutOfRangeException>("timeout", () => { p.SendPingAsync(TestSettings.LocalHost, -1); });
Assert.Throws<ArgumentOutOfRangeException>("timeout", () => { p.SendAsync(localIpAddress, -1, null); });
Assert.Throws<ArgumentOutOfRangeException>("timeout", () => { p.SendAsync(TestSettings.LocalHost, -1, null); });
Assert.Throws<ArgumentOutOfRangeException>("timeout", () => { p.Send(localIpAddress, -1); });
Assert.Throws<ArgumentOutOfRangeException>("timeout", () => { p.Send(TestSettings.LocalHost, -1); });
// Null byte[]
Assert.Throws<ArgumentNullException>("buffer", () => { p.SendPingAsync(localIpAddress, 0, null); });
Assert.Throws<ArgumentNullException>("buffer", () => { p.SendPingAsync(TestSettings.LocalHost, 0, null); });
Assert.Throws<ArgumentNullException>("buffer", () => { p.SendAsync(localIpAddress, 0, null, null); });
Assert.Throws<ArgumentNullException>("buffer", () => { p.SendAsync(TestSettings.LocalHost, 0, null, null); });
Assert.Throws<ArgumentNullException>("buffer", () => { p.Send(localIpAddress, 0, null); });
Assert.Throws<ArgumentNullException>("buffer", () => { p.Send(TestSettings.LocalHost, 0, null); });
// Too large byte[]
Assert.Throws<ArgumentException>("buffer", () => { p.SendPingAsync(localIpAddress, 1, new byte[65501]); });
Assert.Throws<ArgumentException>("buffer", () => { p.SendPingAsync(TestSettings.LocalHost, 1, new byte[65501]); });
Assert.Throws<ArgumentException>("buffer", () => { p.SendAsync(localIpAddress, 1, new byte[65501], null); });
Assert.Throws<ArgumentException>("buffer", () => { p.SendAsync(TestSettings.LocalHost, 1, new byte[65501], null); });
Assert.Throws<ArgumentException>("buffer", () => { p.Send(localIpAddress, 1, new byte[65501]); });
Assert.Throws<ArgumentException>("buffer", () => { p.Send(TestSettings.LocalHost, 1, new byte[65501]); });
}示例2: Main
static void Main (string [] args)
{
if (args.Length == 0)
throw new ArgumentException ("Ping needs a host or IP Address.");
string who = args [0];
AutoResetEvent waiter = new AutoResetEvent (false);
Ping pingSender = new Ping ();
// When the PingCompleted event is raised,
// the PingCompletedCallback method is called.
pingSender.PingCompleted += new PingCompletedEventHandler (PingCompletedCallback);
// Create a buffer of 32 bytes of data to be transmitted.
string data = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
byte [] buffer = Encoding.ASCII.GetBytes (data);
// Wait 12 seconds for a reply.
int timeout = 12000;
// Set options for transmission:
// The data can go through 64 gateways or routers
// before it is destroyed, and the data packet
// cannot be fragmented.
PingOptions options = new PingOptions (64, true);
// Send the ping asynchronously.
// Use the waiter as the user token.
// When the callback completes, it can wake up this thread.
pingSender.SendAsync (who, timeout, buffer, options, waiter);
// Prevent this example application from ending.
// A real application should do something useful
// when possible.
waiter.WaitOne ();
}示例3: SendAsyncs_ReuseInstance_Hostname
public static async Task SendAsyncs_ReuseInstance_Hostname()
{
IPAddress localIpAddress = await TestSettings.GetLocalIPAddress();
using (Ping p = new Ping())
{
TaskCompletionSource<bool> tcs = null;
PingCompletedEventArgs ea = null;
p.PingCompleted += (s, e) =>
{
ea = e;
tcs.TrySetResult(true);
};
Action reset = () =>
{
ea = null;
tcs = new TaskCompletionSource<bool>(TaskCreationOptions.RunContinuationsAsynchronously);
};
// Several normal iterations
for (int i = 0; i < 3; i++)
{
reset();
p.SendAsync(TestSettings.LocalHost, null);
await tcs.Task;
Assert.NotNull(ea);
Assert.Equal(IPStatus.Success, ea.Reply.Status);
Assert.True(ea.Reply.Address.Equals(localIpAddress));
}
// Several canceled iterations
for (int i = 0; i < 3; i++)
{
reset();
p.SendAsync(TestSettings.LocalHost, null);
p.SendAsyncCancel(); // will block until operation can be started again
}
await tcs.Task;
Assert.True(ea.Cancelled ^ (ea.Error != null) ^ (ea.Reply != null));
}
}示例4: SendAsyncs_ReuseInstance_Hostname
public static async Task SendAsyncs_ReuseInstance_Hostname()
{
IPAddress localIpAddress = await TestSettings.GetLocalIPAddress();
using (Ping p = new Ping())
{
var mres = new ManualResetEventSlim();
PingCompletedEventArgs ea = null;
p.PingCompleted += (s, e) =>
{
ea = e;
mres.Set();
};
// Several normal iterations
for (int i = 0; i < 3; i++)
{
ea = null;
mres.Reset();
p.SendAsync(TestSettings.LocalHost, null);
mres.Wait();
Assert.NotNull(ea);
Assert.Equal(IPStatus.Success, ea.Reply.Status);
Assert.True(ea.Reply.Address.Equals(localIpAddress));
}
// Several canceled iterations
for (int i = 0; i < 3; i++)
{
ea = null;
mres.Reset();
p.SendAsync(TestSettings.LocalHost, null);
p.SendAsyncCancel(); // will block until operation can be started again
}
mres.Wait();
Assert.True(ea.Cancelled ^ (ea.Error != null) ^ (ea.Reply != null));
}
}示例5: ping
bool ping()
{
try {
if (Environment.OSVersion.Platform == PlatformID.Unix && PlatformDetection.IsRunningOnMac () == false) {
pingStatus.Text = "";
return false;
}
string data = "kirisurfkirisurfkirisurfkirisurf";
byte[] buffer = Encoding.ASCII.GetBytes (data);
if (trayIcon.Visible == false)
trayIcon.Visible = true;
Ping test = new Ping ();
test.SendAsync ("199.192.229.217", 2000, buffer, null);
test.PingCompleted += delegate(object sender, PingCompletedEventArgs e) {
pingStatus.Text = "Latency: " + e.Reply.RoundtripTime.ToString () + " ms";
GLib.Timeout.Add ((uint)e.Reply.RoundtripTime + 20000, new GLib.TimeoutHandler (ping));
};
return false;
} catch {
try{
GLib.Timeout.Add (20000, new GLib.TimeoutHandler (ping));
return false;
}catch{return true;}
}
}