private void sendError(ChannelHandlerContext ctx, HttpResponseStatus status) {
HttpResponse response = new DefaultHttpResponse(HttpVersion.HTTP_1_1, status);
response.headers().set(HttpHeaders.Names.CONTENT_TYPE, "text/plain; charset=UTF-8");
response.setContent(
ChannelBuffers.copiedBuffer(
"Failure: " + status.toString() + "\r\n", Charset.forName("UTF-8")));
// Close the connection as soon as the error message is sent.
ctx.getChannel().write(response).addListener(ChannelFutureListener.CLOSE);
}
private void sendHttpResponse(Channel channel, HttpRequest request, HttpResponse response) {
if (!channel.isOpen()) {
return;
}
// response的内容已在各Listener中填充
response.headers().set(Names.CONTENT_LENGTH, response.getContent().readableBytes());
response.headers().set(Names.SERVER, "NAVI/1.1.4(UNIX)");
if (!HttpHeaders.isKeepAlive(request)
|| response.getStatus() != HttpResponseStatus.OK
|| ServerConfigure.isChannelClose()) {
response.headers().set(Names.CONNECTION, "close");
channel.setAttachment(WRITING);
ChannelFuture f = channel.write(response);
f.addListener(ChannelFutureListener.CLOSE);
f.addListener(
new ChannelFutureListener() {
public void operationComplete(ChannelFuture f) throws Exception {
if (!f.isSuccess()) {
log.error(f.getCause().getMessage(), f.getCause());
}
}
});
} else {
if (request.getProtocolVersion() == HttpVersion.HTTP_1_0) {
response.headers().add(Names.CONNECTION, "Keep-Alive");
}
channel.setAttachment(WRITING);
ChannelFuture f = channel.write(response);
f.addListener(ChannelFutureListener.CLOSE_ON_FAILURE);
f.addListener(
new ChannelFutureListener() {
public void operationComplete(ChannelFuture f) throws Exception {
if (!f.isSuccess()) {
log.error(f.getCause().getMessage(), f.getCause());
}
}
});
}
}