func (server *Server) Listen() (net.Listener, error) {
listener, err := server.listen()
if err != nil {
return nil, err
}
// We use an idle timing listener to time out idle HTTP connections, since
// the CDNs seem to like keeping lots of connections open indefinitely.
return idletiming.Listener(listener, httpIdleTimeout, func(conn net.Conn) {
err := conn.Close()
if err != nil {
log.Debugf("Unable to close connection: %v", err)
}
}), nil
}
func (server *Server) ListenAndServe() error {
err := server.CertContext.InitServerCert(strings.Split(server.Addr, ":")[0])
if err != nil {
return fmt.Errorf("Unable to init server cert: %s", err)
}
// Set up an enproxy Proxy
proxy := &enproxy.Proxy{
Dial: server.dialDestination,
Host: server.Host,
}
if server.Host != "" {
log.Debugf("Running as host %s", server.Host)
}
// Hook into stats reporting if necessary
servingStats := server.startServingStatsIfNecessary()
// Add callbacks to track bytes given
proxy.OnBytesReceived = func(ip string, bytes int64) {
statreporter.OnBytesGiven(ip, bytes)
if servingStats {
server.StatServer.OnBytesReceived(ip, bytes)
}
}
proxy.OnBytesSent = func(ip string, bytes int64) {
statreporter.OnBytesGiven(ip, bytes)
if servingStats {
server.StatServer.OnBytesSent(ip, bytes)
}
}
proxy.Start()
httpServer := &http.Server{
Handler: proxy,
ReadTimeout: server.ReadTimeout,
WriteTimeout: server.WriteTimeout,
}
log.Debugf("About to start server (https) proxy at %s", server.Addr)
tlsConfig := server.TLSConfig
if server.TLSConfig == nil {
tlsConfig = DEFAULT_TLS_SERVER_CONFIG
}
cert, err := tls.LoadX509KeyPair(server.CertContext.ServerCertFile, server.CertContext.PKFile)
if err != nil {
return fmt.Errorf("Unable to load certificate and key from %s and %s: %s", server.CertContext.ServerCertFile, server.CertContext.PKFile, err)
}
tlsConfig.Certificates = []tls.Certificate{cert}
listener, err := tls.Listen("tcp", server.Addr, tlsConfig)
if err != nil {
return fmt.Errorf("Unable to listen for tls connections at %s: %s", server.Addr, err)
}
// We use an idle timing listener to time out idle HTTP connections, since
// the CDNs seem to like keeping lots of connections open indefinitely.
idleTimingListener := idletiming.Listener(listener, httpIdleTimeout, nil)
return httpServer.Serve(idleTimingListener)
}