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357240 removed gather write

This commit is contained in:
Greg Wilkins 2011-09-27 23:41:49 +10:00
parent 72dbbd3461
commit 9f885dcc6e
1 changed files with 48 additions and 145 deletions
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193
jetty-io/src/main/java/org/eclipse/jetty/io/nio/SslSelectChannelEndPoint.java
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@ -54,8 +54,6 @@ public class SslSelectChannelEndPoint extends SelectChannelEndPoint
private volatile NIOBuffer _inNIOBuffer;
private volatile NIOBuffer _outNIOBuffer;
private final ByteBuffer[] _gather=new ByteBuffer[2];
private boolean _closing=false;
private SSLEngineResult _result;
@ -209,16 +207,16 @@ public class SslSelectChannelEndPoint extends SelectChannelEndPoint
}
/* ------------------------------------------------------------ */
private int process(ByteBuffer inbuf, Buffer header, Buffer buffer) throws IOException
private int process(ByteBuffer inBBuf, Buffer outBuf) throws IOException
{
if (_debug)
LOG.debug("process {} {} {}",inbuf!=null,header!=null,buffer!=null);
LOG.debug("process {} {}",inBBuf!=null,outBuf!=null);
// If there is no place to put incoming application data,
if (inbuf==null)
if (inBBuf==null)
{
// use ZERO buffer
inbuf=__ZERO_BUFFER;
inBBuf=__ZERO_BUFFER;
}
int received=0;
@ -261,20 +259,12 @@ public class SslSelectChannelEndPoint extends SelectChannelEndPoint
break;
// Try wrapping some application data
if (header!=null||buffer!=null)
if (outBuf!=null)
{
int c=0;
if (header!=null && header.hasContent())
if (outBuf!=null && outBuf.hasContent())
{
if (buffer!=null && buffer.hasContent())
c=wrap(header,buffer);
else
c=wrap(header);
progress=_result.bytesProduced()>0||_result.bytesConsumed()>0;
}
else if (buffer!=null && buffer.hasContent())
{
c=wrap(buffer);
c=wrap(outBuf);
progress=_result.bytesProduced()>0||_result.bytesConsumed()>0;
}
@ -285,11 +275,11 @@ public class SslSelectChannelEndPoint extends SelectChannelEndPoint
}
// Try unwrapping some application data
if (inbuf.remaining()>0 && _inNIOBuffer!=null && _inNIOBuffer.hasContent())
if (inBBuf.remaining()>0 && _inNIOBuffer!=null && _inNIOBuffer.hasContent())
{
int space=inbuf.remaining();
progress|=unwrap(inbuf);
received+=space-inbuf.remaining();
int space=inBBuf.remaining();
progress|=unwrap(inBBuf);
received+=space-inBBuf.remaining();
}
break;
@ -324,16 +314,9 @@ public class SslSelectChannelEndPoint extends SelectChannelEndPoint
// The SSL needs to send some handshake data to the other side
int c=0;
if (header!=null && header.hasContent())
{
if (buffer!=null && buffer.hasContent())
c=wrap(header,buffer);
else
c=wrap(header);
}
else if (buffer!=null && buffer.hasContent())
c=wrap(buffer);
else
if (outBuf!=null && outBuf.hasContent())
c=wrap(outBuf);
else
c=wrap(__EMPTY_BUFFER);
progress=_result.bytesProduced()>0||_result.bytesConsumed()>0;
@ -341,7 +324,6 @@ public class SslSelectChannelEndPoint extends SelectChannelEndPoint
sent+=c;
else if (c<0 && sent==0)
sent=-1;
break;
}
@ -351,9 +333,9 @@ public class SslSelectChannelEndPoint extends SelectChannelEndPoint
checkRenegotiate();
// Need more data to be unwrapped so try another call to unwrap
progress|=unwrap(inbuf);
progress|=unwrap(inBBuf);
if (_closing)
inbuf.clear();
inBBuf.clear();
break;
}
@ -378,7 +360,7 @@ public class SslSelectChannelEndPoint extends SelectChannelEndPoint
_closing=true;
// Processing will call flush(), which will handle the closing state with a closeOutbound then shutdownOutput
process(null,null,null);
process(null,null);
}
/* ------------------------------------------------------------ */
@ -409,10 +391,7 @@ public class SslSelectChannelEndPoint extends SelectChannelEndPoint
// the inBuffer. If there is no data in the inBuffer, then
// super.fill is called to read encrypted bytes.
unwrap(bbuf);
int progress = process(bbuf,null,null);
// TODO ???
process(bbuf,null);
}
finally
{
@ -434,7 +413,7 @@ public class SslSelectChannelEndPoint extends SelectChannelEndPoint
public int flush(Buffer buffer) throws IOException
{
LOG.debug("{} flush1",_session);
return process(null,buffer,null);
return process(null,buffer);
}
@ -445,7 +424,24 @@ public class SslSelectChannelEndPoint extends SelectChannelEndPoint
public int flush(Buffer header, Buffer buffer, Buffer trailer) throws IOException
{
LOG.debug("{} flush3",_session);
return process(null,header,buffer);
int len=0;
int flushed=0;
if (header!=null && header.hasContent())
{
len=header.length();
flushed=flush(header);
}
if (flushed==len && buffer!=null && buffer.hasContent())
{
int f=flush(buffer);
if (f>=0)
flushed+=f;
else if (flushed==0)
flushed=-1;
}
return flushed;
}
/* ------------------------------------------------------------ */
@ -633,122 +629,29 @@ public class SslSelectChannelEndPoint extends SelectChannelEndPoint
return ByteBuffer.wrap(buffer.array());
}
/* ------------------------------------------------------------ */
private int wrap(final Buffer header, final Buffer buffer) throws IOException
{
_gather[0]=extractOutputBuffer(header);
synchronized(_gather[0])
{
_gather[0].position(header.getIndex());
_gather[0].limit(header.putIndex());
_gather[1]=extractOutputBuffer(buffer);
synchronized(_gather[1])
{
_gather[1].position(buffer.getIndex());
_gather[1].limit(buffer.putIndex());
needOutBuffer();
ByteBuffer out_buffer=_outNIOBuffer.getByteBuffer();
synchronized(out_buffer)
{
int consumed=0;
try
{
_outNIOBuffer.clear();
out_buffer.position(0);
out_buffer.limit(out_buffer.capacity());
_result=null;
_result=_engine.wrap(_gather,out_buffer);
if (_debug) LOG.debug(_session+" wrap wrap "+_result);
_outNIOBuffer.setGetIndex(0);
_outNIOBuffer.setPutIndex(_result.bytesProduced());
consumed=_result.bytesConsumed();
}
catch(SSLException e)
{
LOG.warn(getRemoteAddr()+":"+getRemotePort()+" "+e);
super.close();
throw e;
}
finally
{
out_buffer.position(0);
if (consumed>0)
{
int len=consumed<header.length()?consumed:header.length();
header.skip(len);
consumed-=len;
_gather[0].position(0);
_gather[0].limit(_gather[0].capacity());
}
if (consumed>0)
{
int len=consumed<buffer.length()?consumed:buffer.length();
buffer.skip(len);
consumed-=len;
_gather[1].position(0);
_gather[1].limit(_gather[1].capacity());
}
assert consumed==0;
freeOutBuffer();
}
}
}
}
switch(_result.getStatus())
{
case BUFFER_OVERFLOW:
case BUFFER_UNDERFLOW:
LOG.warn("unwrap {}",_result);
_closing=true;
return _result.bytesConsumed()>0?_result.bytesConsumed():-1;
case OK:
return _result.bytesConsumed();
case CLOSED:
_closing=true;
return _result.bytesConsumed()>0?_result.bytesConsumed():-1;
default:
LOG.warn("wrap "+_result);
throw new IOException(_result.toString());
}
}
/* ------------------------------------------------------------ */
private int wrap(final Buffer buffer) throws IOException
{
_gather[0]=extractOutputBuffer(buffer);
synchronized(_gather[0])
ByteBuffer bbuf=extractOutputBuffer(buffer);
synchronized(bbuf)
{
ByteBuffer bb;
_gather[0].position(buffer.getIndex());
_gather[0].limit(buffer.putIndex());
int consumed=0;
needOutBuffer();
_outNIOBuffer.compact();
ByteBuffer out_buffer=_outNIOBuffer.getByteBuffer();
synchronized(out_buffer)
{
try
{
_outNIOBuffer.clear();
out_buffer.position(0);
out_buffer.limit(out_buffer.capacity());
bbuf.position(buffer.getIndex());
bbuf.limit(buffer.putIndex());
out_buffer.position(_outNIOBuffer.putIndex());
_result=null;
_result=_engine.wrap(_gather[0],out_buffer);
_result=_engine.wrap(bbuf,out_buffer);
if (_debug) LOG.debug(_session+" wrap "+_result);
_outNIOBuffer.setGetIndex(0);
_outNIOBuffer.setPutIndex(_result.bytesProduced());
_outNIOBuffer.setPutIndex(out_buffer.position());
consumed=_result.bytesConsumed();
}
catch(SSLException e)
@ -760,14 +663,14 @@ public class SslSelectChannelEndPoint extends SelectChannelEndPoint
finally
{
out_buffer.position(0);
bbuf.position(0);
bbuf.limit(bbuf.capacity());
if (consumed>0)
{
int len=consumed<buffer.length()?consumed:buffer.length();
buffer.skip(len);
consumed-=len;
_gather[0].position(0);
_gather[0].limit(_gather[0].capacity());
}
assert consumed==0;