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-rw-r--r--libraries/spongycastle/core/src/main/jdk1.1/org/spongycastle/crypto/tls/UDPTransport.java106
1 files changed, 0 insertions, 106 deletions
diff --git a/libraries/spongycastle/core/src/main/jdk1.1/org/spongycastle/crypto/tls/UDPTransport.java b/libraries/spongycastle/core/src/main/jdk1.1/org/spongycastle/crypto/tls/UDPTransport.java
deleted file mode 100644
index 913c1e552..000000000
--- a/libraries/spongycastle/core/src/main/jdk1.1/org/spongycastle/crypto/tls/UDPTransport.java
+++ /dev/null
@@ -1,106 +0,0 @@
-package org.spongycastle.crypto.tls;
-
-import java.io.IOException;
-import java.net.DatagramPacket;
-import java.net.DatagramSocket;
-
-public class UDPTransport
- implements DatagramTransport
-{
- protected final static int MIN_IP_OVERHEAD = 20;
- protected final static int MAX_IP_OVERHEAD = MIN_IP_OVERHEAD + 64;
- protected final static int UDP_OVERHEAD = 8;
-
- protected final DatagramSocket socket;
- protected final int receiveLimit, sendLimit;
-
- public UDPTransport(DatagramSocket socket, int mtu)
- throws IOException
- {
- //
- // In 1.3 and earlier sockets were bound and connected during creation
- //
- //if (!socket.isBound() || !socket.isConnected())
- //{
- // throw new IllegalArgumentException("'socket' must be bound and connected");
- //}
-
- this.socket = socket;
-
- // NOTE: As of JDK 1.6, can use NetworkInterface.getMTU
-
- this.receiveLimit = mtu - MIN_IP_OVERHEAD - UDP_OVERHEAD;
- this.sendLimit = mtu - MAX_IP_OVERHEAD - UDP_OVERHEAD;
- }
-
- public int getReceiveLimit()
- {
- return receiveLimit;
- }
-
- public int getSendLimit()
- {
- // TODO[DTLS] Implement Path-MTU discovery?
- return sendLimit;
- }
-
- public int receive(byte[] buf, int off, int len, int waitMillis)
- throws IOException
- {
- socket.setSoTimeout(waitMillis);
-
- if (off == 0)
- {
- DatagramPacket packet = new DatagramPacket(buf, len);
- socket.receive(packet);
-
- return packet.getLength();
- }
- else
- {
- byte[] rv = new byte[len];
-
- DatagramPacket packet = new DatagramPacket(rv, len);
- socket.receive(packet);
-
- System.arraycopy(rv, 0, buf, off, packet.getLength());
-
- return packet.getLength();
- }
- }
-
- public void send(byte[] buf, int off, int len)
- throws IOException
- {
- if (len > getSendLimit())
- {
- /*
- * RFC 4347 4.1.1. "If the application attempts to send a record larger than the MTU,
- * the DTLS implementation SHOULD generate an error, thus avoiding sending a packet
- * which will be fragmented."
- */
- throw new TlsFatalAlert(AlertDescription.internal_error);
- }
-
- if (off == 0)
- {
- DatagramPacket packet = new DatagramPacket(buf, len);
- socket.send(packet);
- }
- else
- {
- byte[] data = new byte[len];
-
- System.arraycopy(buf, off, data, 0, len);
-
- DatagramPacket packet = new DatagramPacket(data, len);
- socket.send(packet);
- }
- }
-
- public void close()
- throws IOException
- {
- socket.close();
- }
-}