I2P_Developers/i2p.android.base
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2005-09-28 jrandom

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* Fix for at least some (all?) of the wrong stream errors in the streaming
      lib
This commit is contained in:
jrandom
2005-09-28 09:17:54 +00:00
committed by zzz
parent ef7d1ba964
commit 900420719e
7 changed files with 100 additions and 57 deletions
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30
apps/streaming/java/src/net/i2p/client/streaming/Connection.java
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@ -256,9 +256,13 @@ public class Connection {
remaining = 0;
if (packet.isFlagSet(Packet.FLAG_CLOSE) || (remaining < 2)) {
packet.setOptionalDelay(0);
packet.setFlag(Packet.FLAG_DELAY_REQUESTED);
} else {
int delay = _options.getRTO() / 2;
packet.setOptionalDelay(delay);
if (delay > 0)
packet.setFlag(Packet.FLAG_DELAY_REQUESTED);
if (_log.shouldLog(Log.DEBUG))
_log.debug("Requesting ack delay of " + delay + "ms for packet " + packet);
}
packet.setFlag(Packet.FLAG_DELAY_REQUESTED);
@ -516,17 +520,30 @@ public class Connection {
synchronized (_connectLock) { _connectLock.notifyAll(); }
}
private boolean _remotePeerSet = false;
/** who are we talking with */
public Destination getRemotePeer() { return _remotePeer; }
public void setRemotePeer(Destination peer) { _remotePeer = peer; }
public void setRemotePeer(Destination peer) {
if (_remotePeerSet) throw new RuntimeException("Remote peer already set [" + _remotePeer + ", " + peer + "]");
_remotePeerSet = true;
_remotePeer = peer;
}
private boolean _sendStreamIdSet = false;
/** what stream do we send data to the peer on? */
public long getSendStreamId() { return _sendStreamId; }
public void setSendStreamId(long id) { _sendStreamId = id; }
public void setSendStreamId(long id) {
if (_sendStreamIdSet) throw new RuntimeException("Send stream ID already set [" + _sendStreamId + ", " + id + "]");
_sendStreamIdSet = true;
_sendStreamId = id;
}
private boolean _receiveStreamIdSet = false;
/** stream the peer sends data to us on. (may be null) */
public long getReceiveStreamId() { return _receiveStreamId; }
public void setReceiveStreamId(long id) {
if (_receiveStreamIdSet) throw new RuntimeException("Receive stream ID already set [" + _receiveStreamId + ", " + id + "]");
_receiveStreamIdSet = true;
_receiveStreamId = id;
synchronized (_connectLock) { _connectLock.notifyAll(); }
}
@ -909,11 +926,14 @@ public class Connection {
}
// revamp various fields, in case we need to ack more, etc
_inputStream.updateAcks(_packet);
_packet.setOptionalDelay(getOptions().getChoke());
int choke = getOptions().getChoke();
_packet.setOptionalDelay(choke);
if (choke > 0)
_packet.setFlag(Packet.FLAG_DELAY_REQUESTED);
_packet.setOptionalMaxSize(getOptions().getMaxMessageSize());
_packet.setResendDelay(getOptions().getResendDelay());
_packet.setReceiveStreamId(_receiveStreamId);
_packet.setSendStreamId(_sendStreamId);
//_packet.setReceiveStreamId(_receiveStreamId);
//_packet.setSendStreamId(_sendStreamId);
int newWindowSize = getOptions().getWindowSize();

5
apps/streaming/java/src/net/i2p/client/streaming/ConnectionDataReceiver.java
View File

@ -151,7 +151,10 @@ class ConnectionDataReceiver implements MessageOutputStream.DataReceiver {
packet.setReceiveStreamId(con.getReceiveStreamId());
con.getInputStream().updateAcks(packet);
packet.setOptionalDelay(con.getOptions().getChoke());
int choke = con.getOptions().getChoke();
packet.setOptionalDelay(choke);
if (choke > 0)
packet.setFlag(Packet.FLAG_DELAY_REQUESTED);
packet.setResendDelay(con.getOptions().getResendDelay());
if (con.getOptions().getProfile() == ConnectionOptions.PROFILE_INTERACTIVE)

95
apps/streaming/java/src/net/i2p/client/streaming/Packet.java
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@ -10,6 +10,7 @@ import net.i2p.data.Destination;
import net.i2p.data.Signature;
import net.i2p.data.SigningPrivateKey;
import net.i2p.util.ByteCache;
import net.i2p.util.Log;
/**
* Contain a single packet transferred as part of a streaming connection.
@ -64,7 +65,6 @@ public class Packet {
private Destination _optionFrom;
private int _optionDelay;
private int _optionMaxSize;
private ByteCache _cache;
/**
* The receiveStreamId will be set to this when the packet doesn't know
@ -146,22 +146,28 @@ public class Packet {
public static final int DEFAULT_MAX_SIZE = 32*1024;
private static final int MAX_DELAY_REQUEST = 65535;
public Packet() {
_cache = ByteCache.getInstance(128, MAX_PAYLOAD_SIZE);
public Packet() { }
private boolean _sendStreamIdSet = false;
/** what stream do we send data to the peer on? */
public long getSendStreamId() { return _sendStreamId; }
public void setSendStreamId(long id) {
if (_sendStreamIdSet) throw new RuntimeException("Send stream ID already set [" + _sendStreamId + ", " + id + "]");
_sendStreamIdSet = true;
_sendStreamId = id;
}
/** what stream is this packet a part of? */
public long getSendStreamId() { return _sendStreamId; }
public void setSendStreamId(long id) { _sendStreamId = id; }
private boolean _receiveStreamIdSet = false;
/**
* Stream that replies should be sent on. if the
* connection is still being built, this should be
* null.
*
* stream the replies should be sent on. this should be 0 if the
* connection is still being built.
*/
public long getReceiveStreamId() { return _receiveStreamId; }
public void setReceiveStreamId(long id) { _receiveStreamId = id; }
public void setReceiveStreamId(long id) {
if (_receiveStreamIdSet) throw new RuntimeException("Receive stream ID already set [" + _receiveStreamId + ", " + id + "]");
_receiveStreamIdSet = true;
_receiveStreamId = id;
}
/** 0-indexed sequence number for this Packet in the sendStream */
public long getSequenceNum() { return _sequenceNum; }
@ -208,8 +214,6 @@ public class Packet {
/** get the actual payload of the message. may be null */
public ByteArray getPayload() { return _payload; }
public void setPayload(ByteArray payload) {
//if ( (_payload != null) && (_payload != payload) )
// _cache.release(_payload);
_payload = payload;
if ( (payload != null) && (payload.getValid() > MAX_PAYLOAD_SIZE) )
throw new IllegalArgumentException("Too large payload: " + payload.getValid());
@ -218,15 +222,11 @@ public class Packet {
return (_payload == null ? 0 : _payload.getValid());
}
public void releasePayload() {
//if (_payload != null)
// _cache.release(_payload);
_payload = null;
}
public ByteArray acquirePayload() {
ByteArray old = _payload;
_payload = new ByteArray(new byte[Packet.MAX_PAYLOAD_SIZE]); //_cache.acquire();
//if (old != null)
// _cache.release(old);
_payload = new ByteArray(new byte[Packet.MAX_PAYLOAD_SIZE]);
return _payload;
}
@ -239,6 +239,7 @@ public class Packet {
else
_flags &= ~flag;
}
public void setFlags(int flags) { _flags = flags; }
/** the signature on the packet (only included if the flag for it is set) */
public Signature getOptionalSignature() { return _optionSignature; }
@ -262,7 +263,6 @@ public class Packet {
*/
public int getOptionalDelay() { return _optionDelay; }
public void setOptionalDelay(int delayMs) {
setFlag(FLAG_DELAY_REQUESTED, delayMs > 0);
if (delayMs > MAX_DELAY_REQUEST)
_optionDelay = MAX_DELAY_REQUEST;
else if (delayMs < 0)
@ -418,30 +418,31 @@ public class Packet {
if (length < 22) // min header size
throw new IllegalArgumentException("Too small: len=" + buffer.length);
int cur = offset;
_sendStreamId = DataHelper.fromLong(buffer, cur, 4);
setSendStreamId(DataHelper.fromLong(buffer, cur, 4));
cur += 4;
_receiveStreamId = DataHelper.fromLong(buffer, cur, 4);
setReceiveStreamId(DataHelper.fromLong(buffer, cur, 4));
cur += 4;
_sequenceNum = DataHelper.fromLong(buffer, cur, 4);
setSequenceNum(DataHelper.fromLong(buffer, cur, 4));
cur += 4;
_ackThrough = DataHelper.fromLong(buffer, cur, 4);
setAckThrough(DataHelper.fromLong(buffer, cur, 4));
cur += 4;
int numNacks = (int)DataHelper.fromLong(buffer, cur, 1);
cur++;
if (length < 22 + numNacks*4)
throw new IllegalArgumentException("Too small with " + numNacks + " nacks: " + length);
if (numNacks > 0) {
_nacks = new long[numNacks];
long nacks[] = new long[numNacks];
for (int i = 0; i < numNacks; i++) {
_nacks[i] = DataHelper.fromLong(buffer, cur, 4);
nacks[i] = DataHelper.fromLong(buffer, cur, 4);
cur += 4;
}
setNacks(nacks);
} else {
_nacks = null;
setNacks(null);
}
_resendDelay = (int)DataHelper.fromLong(buffer, cur, 1);
setResendDelay((int)DataHelper.fromLong(buffer, cur, 1));
cur++;
_flags = (int)DataHelper.fromLong(buffer, cur, 2);
setFlags((int)DataHelper.fromLong(buffer, cur, 2));
cur += 2;
int optionSize = (int)DataHelper.fromLong(buffer, cur, 2);
@ -457,33 +458,36 @@ public class Packet {
throw new IllegalArgumentException("length: " + length + " offset: " + offset + " begin: " + payloadBegin);
// skip ahead to the payload
_payload = new ByteArray(new byte[payloadSize]); //_cache.acquire();
System.arraycopy(buffer, payloadBegin, _payload.getData(), 0, payloadSize);
_payload.setValid(payloadSize);
_payload.setOffset(0);
//_payload = new ByteArray(new byte[payloadSize]);
_payload = new ByteArray(buffer, payloadBegin, payloadSize);
//System.arraycopy(buffer, payloadBegin, _payload.getData(), 0, payloadSize);
//_payload.setValid(payloadSize);
//_payload.setOffset(0);
// ok now lets go back and deal with the options
if (isFlagSet(FLAG_DELAY_REQUESTED)) {
_optionDelay = (int)DataHelper.fromLong(buffer, cur, 2);
setOptionalDelay((int)DataHelper.fromLong(buffer, cur, 2));
cur += 2;
}
if (isFlagSet(FLAG_FROM_INCLUDED)) {
_optionFrom = new Destination();
Destination optionFrom = new Destination();
try {
cur += _optionFrom.readBytes(buffer, cur);
cur += optionFrom.readBytes(buffer, cur);
setOptionalFrom(optionFrom);
} catch (DataFormatException dfe) {
throw new IllegalArgumentException("Bad from field: " + dfe.getMessage());
}
}
if (isFlagSet(FLAG_MAX_PACKET_SIZE_INCLUDED)) {
_optionMaxSize = (int)DataHelper.fromLong(buffer, cur, 2);
setOptionalMaxSize((int)DataHelper.fromLong(buffer, cur, 2));
cur += 2;
}
if (isFlagSet(FLAG_SIGNATURE_INCLUDED)) {
_optionSignature = new Signature();
Signature optionSignature = new Signature();
byte buf[] = new byte[Signature.SIGNATURE_BYTES];
System.arraycopy(buffer, cur, buf, 0, Signature.SIGNATURE_BYTES);
_optionSignature.setData(buf);
optionSignature.setData(buf);
setOptionalSignature(optionSignature);
cur += Signature.SIGNATURE_BYTES;
}
}
@ -509,7 +513,12 @@ public class Packet {
}
boolean ok = ctx.dsa().verifySignature(_optionSignature, buffer, 0, size, from.getSigningPublicKey());
if (!ok) {
ctx.logManager().getLog(Packet.class).error("Signature failed on " + toString(), new Exception("moo"));
Log l = ctx.logManager().getLog(Packet.class);
l.error("Signature failed on " + toString(), new Exception("moo"));
if (false) {
l.error(Base64.encode(buffer, 0, size));
l.error("Signature: " + Base64.encode(_optionSignature.getData()));
}
}
return ok;
}
@ -524,6 +533,12 @@ public class Packet {
setFlag(FLAG_SIGNATURE_INCLUDED);
int size = writePacket(buffer, offset, false);
_optionSignature = ctx.dsa().sign(buffer, offset, size, key);
if (false) {
Log l = ctx.logManager().getLog(Packet.class);
l.error("Signing: " + toString());
l.error(Base64.encode(buffer, 0, size));
l.error("Signature: " + Base64.encode(_optionSignature.getData()));
}
// jump into the signed data and inject the signature where we
// previously placed a bunch of zeroes
int signatureOffset = offset

4
apps/streaming/java/src/net/i2p/client/streaming/PacketHandler.java
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@ -169,8 +169,8 @@ public class PacketHandler {
try {
con.getPacketHandler().receivePacket(packet, con);
} catch (I2PException ie) {
if (_log.shouldLog(Log.WARN))
_log.warn("Received forged packet for " + con + ": " + packet, ie);
if (_log.shouldLog(Log.ERROR))
_log.error("Received forged packet for " + con + "/" + oldId + ": " + packet, ie);
con.setSendStreamId(oldId);
}
} else if (packet.isFlagSet(Packet.FLAG_SYNCHRONIZE)) {

7
apps/streaming/java/src/net/i2p/client/streaming/PacketLocal.java
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@ -5,7 +5,6 @@ import java.util.Set;
import net.i2p.I2PAppContext;
import net.i2p.data.Destination;
import net.i2p.data.SessionKey;
import net.i2p.util.ByteCache;
import net.i2p.util.Log;
import net.i2p.util.SimpleTimer;
@ -27,7 +26,6 @@ public class PacketLocal extends Packet implements MessageOutputStream.WriteStat
private long _ackOn;
private long _cancelledOn;
private SimpleTimer.TimedEvent _resendEvent;
private ByteCache _cache = ByteCache.getInstance(128, MAX_PAYLOAD_SIZE);
public PacketLocal(I2PAppContext ctx, Destination to) {
this(ctx, to, null);
@ -71,8 +69,11 @@ public class PacketLocal extends Packet implements MessageOutputStream.WriteStat
public void prepare() {
if (_connection != null)
_connection.getInputStream().updateAcks(this);
if (_numSends > 0) // so we can debug to differentiate resends
if (_numSends > 0) {
// so we can debug to differentiate resends
setOptionalDelay(_numSends * 1000);
setFlag(FLAG_DELAY_REQUESTED);
}
}
public long getCreatedOn() { return _createdOn; }

6
history.txt
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@ -1,4 +1,8 @@
$Id: history.txt,v 1.267 2005/09/27 02:17:41 jrandom Exp $
$Id: history.txt,v 1.268 2005/09/27 17:42:49 jrandom Exp $
2005-09-28 jrandom
* Fix for at least some (all?) of the wrong stream errors in the streaming
lib
2005-09-27 jrandom
* Properly suggest filenames for attachments in Syndie (thanks all!)

4
router/java/src/net/i2p/router/RouterVersion.java
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@ -15,9 +15,9 @@ import net.i2p.CoreVersion;
*
*/
public class RouterVersion {
public final static String ID = "$Revision: 1.247 $ $Date: 2005/09/27 02:17:40 $";
public final static String ID = "$Revision: 1.248 $ $Date: 2005/09/27 17:42:49 $";
public final static String VERSION = "0.6.0.6";
public final static long BUILD = 7;
public final static long BUILD = 8;
public static void main(String args[]) {
System.out.println("I2P Router version: " + VERSION + "-" + BUILD);
System.out.println("Router ID: " + RouterVersion.ID);