Xojo Plugin

TCP Socket Connect through HTTP Proxy

See more Socket/SSL/TLS Examples

Demonstrates how to connect through an HTTP proxy server. Xojo Plugin

Dim success As Boolean
success = False

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

Dim socket As New Chilkat.Socket

// To connect through an HTTP proxy, set the HttpProxyHostname
// and HttpProxyPort properties to the hostname (or IP address)
// and port of the HTTP proxy.  Typical port numbers used by
// HTTP proxy servers are 3128 and 8080.
socket.HttpProxyHostname = "www.my-http-proxy.com"
socket.HttpProxyPort = 3128

// Important:  Your HTTP proxy server must allow non-HTTP
// traffic to pass.  Otherwise this does not work.

// Connect (via the HTTP proxy) to port 5555 of 192.168.1.108.
// hostname may be a domain name or IP address.
Dim hostname As String
hostname = "192.168.1.108"
Dim ssl As Boolean
ssl = False
Dim maxWaitMillisec As Int32
maxWaitMillisec = 20000
success = socket.Connect(hostname,5555,ssl,maxWaitMillisec)
If (success <> True) Then
    System.DebugLog(socket.LastErrorText)
    Return
End If

// Set maximum timeouts for reading an writing (in millisec)
socket.MaxReadIdleMs = 10000
socket.MaxSendIdleMs = 10000

// The ficticious server (in this example) is going to send a "Hello World!" 
// message.  Read it:
Dim receivedMsg As String
receivedMsg = socket.ReceiveString()
If (socket.LastMethodSuccess <> True) Then
    System.DebugLog(socket.LastErrorText)
    Return
End If

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

System.DebugLog(receivedMsg)