PowerBuilder

TCP Socket Connect through HTTP Proxy

See more Socket/SSL/TLS Examples

Demonstrates how to connect through an HTTP proxy server. PowerBuilder

integer li_rc
integer li_Success
oleobject loo_Socket
string ls_Hostname
integer li_Ssl
integer li_MaxWaitMillisec
string ls_ReceivedMsg

li_Success = 0

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

loo_Socket = create oleobject
li_rc = loo_Socket.ConnectToNewObject("Chilkat.Socket")
if li_rc < 0 then
    destroy loo_Socket
    MessageBox("Error","Connecting to COM object failed")
    return
end if

// 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.
loo_Socket.HttpProxyHostname = "www.my-http-proxy.com"
loo_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.
ls_Hostname = "192.168.1.108"
li_Ssl = 0
li_MaxWaitMillisec = 20000
li_Success = loo_Socket.Connect(ls_Hostname,5555,li_Ssl,li_MaxWaitMillisec)
if li_Success <> 1 then
    Write-Debug loo_Socket.LastErrorText
    destroy loo_Socket
    return
end if

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

// The ficticious server (in this example) is going to send a "Hello World!" 
// message.  Read it:
ls_ReceivedMsg = loo_Socket.ReceiveString()
if loo_Socket.LastMethodSuccess <> 1 then
    Write-Debug loo_Socket.LastErrorText
    destroy loo_Socket
    return
end if

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

Write-Debug ls_ReceivedMsg


destroy loo_Socket