Xbase++

TCP Socket Connect through HTTP Proxy

See more Socket/SSL/TLS Examples

Demonstrates how to connect through an HTTP proxy server. Xbase++

LOCAL nSuccess
LOCAL oSocket
LOCAL cHostname
LOCAL nSsl
LOCAL nMaxWaitMillisec
LOCAL cReceivedMsg

nSuccess := 0

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

oSocket := CreateObject("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.
oSocket:HttpProxyHostname := "www.my-http-proxy.com"
oSocket: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.
cHostname := "192.168.1.108"
nSsl := 0
nMaxWaitMillisec := 20000
nSuccess := oSocket:Connect(cHostname, 5555, nSsl, nMaxWaitMillisec)
IF (nSuccess != 1)
    ? oSocket:LastErrorText
    oSocket:destroy()
    RETURN
ENDIF

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

//  The ficticious server (in this example) is going to send a "Hello World!" 
//  message.  Read it:
cReceivedMsg := oSocket:ReceiveString()
IF (oSocket:LastMethodSuccess != 1)
    ? oSocket:LastErrorText
    oSocket:destroy()
    RETURN
ENDIF

//  Close the connection with the server
//  Wait a max of 20 seconds (20000 millsec)
nSuccess := oSocket:Close(20000)

? cReceivedMsg

oSocket:destroy()