Given @connection to communicate with a proxy (eg, a #GSocketConnection that is connected to the proxy server), this does the necessary handshake to connect to @proxy_address, and if required, wraps the #GIOStream to handle proxy payload.
a #GIOStream
a #GProxyAddress
a #GCancellable
a #GIOStream that will replace @connection. This might be the same as @connection, in which case a reference will be added.
GException on failure.
2.26
See Implementation
Given @connection to communicate with a proxy (eg, a #GSocketConnection that is connected to the proxy server), this does the necessary handshake to connect to @proxy_address, and if required, wraps the #GIOStream to handle proxy payload.