handleConnected method
void
handleConnected()
When the connection has been established, both sides MUST send an identification string. https://tools.ietf.org/html/rfc4253#section-4.2
Implementation
void handleConnected() {
if (debugPrint != null) debugPrint('SSHTransport.handleConnected');
if (state != SSHTransportState.INIT) throw FormatException('$state');
socket.send(verC + '\r\n');
if (client) sendKeyExchangeInit(false);
}