Lianja

TCP Socket Connect through HTTP Proxy

See more Socket/SSL/TLS Examples

Demonstrates how to connect through an HTTP proxy server. Lianja

llSuccess = .F.

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

loSocket = createobject("CkSocket")

// 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.
loSocket.HttpProxyHostname = "www.my-http-proxy.com"
loSocket.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.
lcHostname = "192.168.1.108"
llSsl = .F.
lnMaxWaitMillisec = 20000
llSuccess = loSocket.Connect(lcHostname,5555,llSsl,lnMaxWaitMillisec)
if (llSuccess <> .T.) then
    ? loSocket.LastErrorText
    release loSocket
    return
endif

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

// The ficticious server (in this example) is going to send a "Hello World!" 
// message.  Read it:
lcReceivedMsg = loSocket.ReceiveString()
if (loSocket.LastMethodSuccess <> .T.) then
    ? loSocket.LastErrorText
    release loSocket
    return
endif

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

? lcReceivedMsg


release loSocket