@Override
public void exchangeTerminated(HttpExchange exchange, Result result) {
super.exchangeTerminated(exchange, result);
Response response = result.getResponse();
HttpFields responseHeaders = response.getHeaders();
String closeReason = null;
if (result.isFailed()) closeReason = "failure";
else if (receiver.isShutdown()) closeReason = "server close";
if (closeReason == null) {
if (response.getVersion().compareTo(HttpVersion.HTTP_1_1) < 0) {
// HTTP 1.0 must close the connection unless it has
// an explicit keep alive or it's a CONNECT method.
boolean keepAlive =
responseHeaders.contains(HttpHeader.CONNECTION, HttpHeaderValue.KEEP_ALIVE.asString());
boolean connect = HttpMethod.CONNECT.is(exchange.getRequest().getMethod());
if (!keepAlive && !connect) closeReason = "http/1.0";
} else {
// HTTP 1.1 or greater closes only if it has an explicit close.
if (responseHeaders.contains(HttpHeader.CONNECTION, HttpHeaderValue.CLOSE.asString()))
closeReason = "http/1.1";
}
}
if (closeReason != null) {
if (LOG.isDebugEnabled()) LOG.debug("Closing, reason: {} - {}", closeReason, connection);
connection.close();
} else {
if (response.getStatus() == HttpStatus.SWITCHING_PROTOCOLS_101) connection.remove();
else release();
}
}
@Override
public void onFillable() {
HttpExchange exchange = channel.getHttpExchange();
if (exchange != null) {
channel.receive();
} else {
// If there is no exchange, then could be either a remote close,
// or garbage bytes; in both cases we close the connection
close();
}
}
@Override
protected boolean onReadTimeout() {
if (LOG.isDebugEnabled()) LOG.debug("Idle timeout {}", this);
close(new TimeoutException());
return false;
}
@Override
public void close() {
close(new AsynchronousCloseException());
}