@Override
public void messageReceived(ChannelHandlerContext ctx, MessageEvent e) throws Exception {
ChannelBuffer buffer = (ChannelBuffer) e.getMessage();
Route route = app.getRouter().parseRoute(getUtf(buffer));
byte[] data = new byte[buffer.readableBytes()];
buffer.readBytes(data);
LocalSession localSession = sessions.getSession(ctx.getChannel().getId()).getLocalSession();
byte[] response = server.handle(route, localSession, data);
if (response != null) {
ctx.getChannel().write(response);
}
}
/** Created with IntelliJ IDEA. User: zhongyuan Date: 13-1-11 Time: 上午1:38 */
public class DefaultRequestHandler extends SimpleChannelUpstreamHandler {
private Jpomelo app = Jpomelo.instance();
private Sessions sessions;
private Server server;
private String frontendId;
public DefaultRequestHandler(Sessions sessions, String moduleId, Server server) {
this.sessions = sessions;
this.frontendId = moduleId;
this.server = server;
}
@Override
public void channelConnected(ChannelHandlerContext ctx, ChannelStateEvent e) throws Exception {
Channel channel = ctx.getChannel();
sessions.createSession(channel.getId(), frontendId, channel);
}
@Override
public void channelDisconnected(ChannelHandlerContext ctx, ChannelStateEvent e) throws Exception {
Channel channel = ctx.getChannel();
if (!sessions.removeSession(channel.getId())) {
Log.error("删除Session失败！ sockId: " + channel.getId());
}
}
@Override
public void messageReceived(ChannelHandlerContext ctx, MessageEvent e) throws Exception {
ChannelBuffer buffer = (ChannelBuffer) e.getMessage();
Route route = app.getRouter().parseRoute(getUtf(buffer));
byte[] data = new byte[buffer.readableBytes()];
buffer.readBytes(data);
LocalSession localSession = sessions.getSession(ctx.getChannel().getId()).getLocalSession();
byte[] response = server.handle(route, localSession, data);
if (response != null) {
ctx.getChannel().write(response);
}
}
private String getUtf(ChannelBuffer buffer) {
// UTF = short + data;
int readableBytes = buffer.readableBytes();
if (readableBytes < 2) {
throw new IllegalArgumentException("buffer doesn't contains utf data!");
}
// 只有长度 没有内容
if (readableBytes == 2) {
return "";
}
int dataLen = buffer.readUnsignedShort();
byte[] data = new byte[dataLen];
buffer.readBytes(data);
try {
return new String(data, "UTF-8");
} catch (UnsupportedEncodingException e) {
Log.error("解码UTF错误", e);
}
return null;
}
}