/*
 * Copyright (c) 1998-2012 Caucho Technology -- all rights reserved
 *
 * This file is part of Resin(R) Open Source
 *
 * Each copy or derived work must preserve the copyright notice and this
 * notice unmodified.
 *
 * Resin Open Source is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * Resin Open Source is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
 * of NON-INFRINGEMENT.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Resin Open Source; if not, write to the
 *
 *   Free Software Foundation, Inc.
 *   59 Temple Place, Suite 330
 *   Boston, MA 02111-1307  USA
 *
 * @author Scott Ferguson
 */

package com.caucho.server.spdy;

import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;

import com.caucho.amqp.AmqpReceiver;
import com.caucho.amqp.AmqpReceiverFactory;
import com.caucho.network.listen.AbstractProtocolConnection;
import com.caucho.network.listen.SocketLink;
import com.caucho.network.listen.TcpSocketLink;
import com.caucho.util.L10N;
import com.caucho.vfs.ReadStream;
import com.caucho.vfs.WriteStream;

/**
 * SPDY connection
 */
class SpdyStream {
  private final int _clientId;
  private final int _serverId;
  
  private SpdyConnection _conn;
  private ReadStream _is;
  private WriteStream _os;
  
  SpdyStream(SpdyConnection conn,
             int clientId,
             int serverId,
             ReadStream is,
             WriteStream os)
  {
    _conn = conn;
    _clientId = clientId;
    _serverId = serverId;
    
    _is = is;
    _os = os;
  }
  
  int getClientId()
  {
    return _clientId;
  }
  
  int readHeaderInt()
    throws IOException
  {
    ReadStream is = _is;
    
    int ch1 = is.read();
    int ch2 = is.read();
    int ch3 = is.read();
    int ch4 = is.read();
    
    return ((ch1 << 24) + (ch2 << 16) + (ch3 << 8) + ch4);
  }
  
  String readHeaderString(int len)
    throws IOException
  {
    ReadStream is = _is;
    
    StringBuilder sb = new StringBuilder();
    
    for (int i = 0; i < len; i++) {
      char ch = (char) is.read();
      
      sb.append(ch);
    }
    
    return sb.toString();
  }
  
  @Override
  public String toString()
  {
    return getClass().getSimpleName() + "[" + _conn + "," + _clientId + "]";
  }
}
