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B4X

SSL Client Example

See more Socket/SSL/TLS Examples

Demonstrates how to connect to an SSL server, send a simple message, receive a simple response, and disconnect.

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B4X
Dim success As Boolean = False

'  This example assumes the Chilkat API to have been previously unlocked.
'  See Global Unlock Sample for sample code.

Dim socket As ChilkatSocket
socket.Initialize("socket")

Dim ssl As Boolean = True
Dim maxWaitMillisec As Int = 20000

'  The SSL server hostname may be an IP address, a domain name,
'  or "localhost".  You'll need to change this:
Dim sslServerHost As String
sslServerHost = "123.123.88.88"
Dim sslServerPort As Int = 8123

'  Connect to the SSL server:
success = socket.Connect(sslServerHost, sslServerPort, ssl, maxWaitMillisec)
If success <> True Then
    Log(socket.LastErrorText)
    Return
End If


'  Set maximum timeouts for reading an writing (in millisec)
socket.MaxReadIdleMs = 20000
socket.MaxSendIdleMs = 20000

'  Send a "Hello Server! -EOM-" message:
success = socket.SendString("Hello Server! -EOM-")
If success <> True Then
    Log(socket.LastErrorText)
    Return
End If


'  The server (in this example) is going to send a "Hello Client! -EOM-" 
'  message.  Read it:
Dim receivedMsg As String = socket.ReceiveUntilMatch("-EOM-")
If socket.LastMethodSuccess <> True Then
    Log(socket.LastErrorText)
    Return
End If


'  Close the connection with the server
'  Wait a max of 20 seconds (20000 millsec)
success = socket.Close(20000)

Log(receivedMsg)