kubernetes-client/csharp
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Clean up warnings in examples (#1628)

Browse Source 
* Refactor examples to streamline code structure and improve readability

* Update LangVersion to 13.0 for improved compatibility
This commit is contained in:
Boshi Lian
2025-04-29 16:55:55 -07:00
committed by GitHub
parent 001189de77
commit ae79be6665
17 changed files with 335 additions and 446 deletions
Download Patch File Download Diff File Expand all files Collapse all files

115
examples/portforward/PortForward.cs
View File

@@ -6,75 +6,66 @@ using System.Net.Sockets;
using System.Text;
using System.Threading.Tasks;
namespace portforward
var config = KubernetesClientConfiguration.BuildConfigFromConfigFile();
IKubernetes client = new Kubernetes(config);
Console.WriteLine("Starting port forward!");
var list = client.CoreV1.ListNamespacedPod("default");
var pod = list.Items[0];
await Forward(client, pod).ConfigureAwait(false);
async Task Forward(IKubernetes client, V1Pod pod)
{
internal class Portforward
// Note this is single-threaded, it won't handle concurrent requests well...
var webSocket = await client.WebSocketNamespacedPodPortForwardAsync(pod.Metadata.Name, "default", new int[] { 80 }, "v4.channel.k8s.io").ConfigureAwait(false);
var demux = new StreamDemuxer(webSocket, StreamType.PortForward);
demux.Start();
var stream = demux.GetStream((byte?)0, (byte?)0);
IPAddress ipAddress = IPAddress.Loopback;
IPEndPoint localEndPoint = new IPEndPoint(ipAddress, 8080);
Socket listener = new Socket(ipAddress.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
listener.Bind(localEndPoint);
listener.Listen(100);
Socket handler = null;
// Note this will only accept a single connection
var accept = Task.Run(() =>
{
private static async Task Main(string[] args)
while (true)
{
var config = KubernetesClientConfiguration.BuildConfigFromConfigFile();
IKubernetes client = new Kubernetes(config);
Console.WriteLine("Starting port forward!");
var list = client.CoreV1.ListNamespacedPod("default");
var pod = list.Items[0];
await Forward(client, pod).ConfigureAwait(false);
}
private static async Task Forward(IKubernetes client, V1Pod pod)
{
// Note this is single-threaded, it won't handle concurrent requests well...
var webSocket = await client.WebSocketNamespacedPodPortForwardAsync(pod.Metadata.Name, "default", new int[] { 80 }, "v4.channel.k8s.io").ConfigureAwait(false);
var demux = new StreamDemuxer(webSocket, StreamType.PortForward);
demux.Start();
var stream = demux.GetStream((byte?)0, (byte?)0);
IPAddress ipAddress = IPAddress.Loopback;
IPEndPoint localEndPoint = new IPEndPoint(ipAddress, 8080);
Socket listener = new Socket(ipAddress.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
listener.Bind(localEndPoint);
listener.Listen(100);
Socket handler = null;
// Note this will only accept a single connection
var accept = Task.Run(() =>
handler = listener.Accept();
var bytes = new byte[4096];
while (true)
{
while (true)
int bytesRec = handler.Receive(bytes);
stream.Write(bytes, 0, bytesRec);
if (bytesRec == 0 || Encoding.ASCII.GetString(bytes, 0, bytesRec).IndexOf("<EOF>") > -1)
{
handler = listener.Accept();
var bytes = new byte[4096];
while (true)
{
int bytesRec = handler.Receive(bytes);
stream.Write(bytes, 0, bytesRec);
if (bytesRec == 0 || Encoding.ASCII.GetString(bytes, 0, bytesRec).IndexOf("<EOF>") > -1)
{
break;
}
}
break;
}
});
var copy = Task.Run(() =>
{
var buff = new byte[4096];
while (true)
{
var read = stream.Read(buff, 0, 4096);
handler.Send(buff, read, 0);
}
});
await accept.ConfigureAwait(false);
await copy.ConfigureAwait(false);
if (handler != null)
{
handler.Close();
}
listener.Close();
}
});
var copy = Task.Run(() =>
{
var buff = new byte[4096];
while (true)
{
var read = stream.Read(buff, 0, 4096);
handler.Send(buff, read, 0);
}
});
await accept.ConfigureAwait(false);
await copy.ConfigureAwait(false);
if (handler != null)
{
handler.Close();
}
listener.Close();
}