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(C#) Asynchronous SSL Client (Deprecated) ExampleNotice: The functionality described here is deprecated and replaced by a newer model for asynchronous method calls. The newer model was introduced in Chilkat v9.5.0.52, and is identified by methods having names ending in “Async” which return a task object. Demonstrates how to connect to an SSL server, send a simple message, receive a simple response, and disconnect. This example uses the asynchronous methods to connect, send, and receive.
// Notice: The functionality described here is deprecated and replaced // by a newer model for asynchronous method calls. The newer model was // introduced in Chilkat v9.5.0.52, and is identified by methods // having names ending in “Async” which return a task object. Chilkat.Socket socket = new Chilkat.Socket(); bool ssl = true; int maxWaitMillisec = 20000; // The SSL server hostname may be an IP address, a domain name, // or "localhost". You'll need to change this: string sslServerHost; sslServerHost = "123.123.88.88"; int sslServerPort = 8123; // Connect to the SSL server asynchronously in a background thread. bool success = socket.AsyncConnectStart(sslServerHost,sslServerPort,ssl,maxWaitMillisec); if (success != true) { Debug.WriteLine(socket.LastErrorText); return; } // Wait for the socket to become connected... while ((socket.AsyncConnectFinished != true)) { // Sleep 1 second. socket.SleepMs(1000); } // Did the connect fail? if (socket.AsyncConnectSuccess != true) { Debug.WriteLine(socket.AsyncConnectLog); return; } // Set maximum timeouts for reading an writing (in millisec) socket.MaxReadIdleMs = 20000; socket.MaxSendIdleMs = 20000; // Send a "Hello Server! -EOM-" message: success = socket.AsyncSendString("Hello Server! -EOM-"); if (success != true) { Debug.WriteLine(socket.LastErrorText); return; } // Wait for the send to finish while ((socket.AsyncSendFinished != true)) { // Sleep 1 second. socket.SleepMs(1000); } // Did the send fail? if (socket.AsyncSendSuccess != true) { Debug.WriteLine(socket.AsyncSendLog); return; } // The server (in this example) is going to send a "Hello Client! -EOM-" // message. Begin reading asynchronously in a background thread: success = socket.AsyncReceiveUntilMatch("-EOM-"); if (success != true) { Debug.WriteLine(socket.LastErrorText); return; } // Wait for the background read to finish while ((socket.AsyncReceiveFinished != true)) { // Sleep 1 second. socket.SleepMs(1000); } // Did the receive fail? if (socket.AsyncReceiveSuccess != true) { Debug.WriteLine(socket.AsyncReceiveLog); return; } // Display the received message: Debug.WriteLine(socket.AsyncReceivedString); // Close the connection with the server // Wait a max of 20 seconds (20000 millsec) success = socket.Close(20000); |
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