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Diffstat (limited to 'core/src/main/java/org/bouncycastle/crypto/tls/DTLSReassembler.java')
-rw-r--r--core/src/main/java/org/bouncycastle/crypto/tls/DTLSReassembler.java133
1 files changed, 0 insertions, 133 deletions
diff --git a/core/src/main/java/org/bouncycastle/crypto/tls/DTLSReassembler.java b/core/src/main/java/org/bouncycastle/crypto/tls/DTLSReassembler.java
deleted file mode 100644
index 788306c8..00000000
--- a/core/src/main/java/org/bouncycastle/crypto/tls/DTLSReassembler.java
+++ /dev/null
@@ -1,133 +0,0 @@
-package org.bouncycastle.crypto.tls;
-
-import java.util.Vector;
-
-class DTLSReassembler
-{
- private final short msg_type;
- private final byte[] body;
-
- private Vector missing = new Vector();
-
- DTLSReassembler(short msg_type, int length)
- {
- this.msg_type = msg_type;
- this.body = new byte[length];
- this.missing.addElement(new Range(0, length));
- }
-
- short getType()
- {
- return msg_type;
- }
-
- byte[] getBodyIfComplete()
- {
- return missing.isEmpty() ? body : null;
- }
-
- void contributeFragment(short msg_type, int length, byte[] buf, int off, int fragment_offset,
- int fragment_length)
- {
- int fragment_end = fragment_offset + fragment_length;
-
- if (this.msg_type != msg_type || this.body.length != length || fragment_end > length)
- {
- return;
- }
-
- if (fragment_length == 0)
- {
- // NOTE: Empty messages still require an empty fragment to complete it
- if (fragment_offset == 0 && !missing.isEmpty())
- {
- Range firstRange = (Range)missing.firstElement();
- if (firstRange.getEnd() == 0)
- {
- missing.removeElementAt(0);
- }
- }
- return;
- }
-
- for (int i = 0; i < missing.size(); ++i)
- {
- Range range = (Range)missing.elementAt(i);
- if (range.getStart() >= fragment_end)
- {
- break;
- }
- if (range.getEnd() > fragment_offset)
- {
-
- int copyStart = Math.max(range.getStart(), fragment_offset);
- int copyEnd = Math.min(range.getEnd(), fragment_end);
- int copyLength = copyEnd - copyStart;
-
- System.arraycopy(buf, off + copyStart - fragment_offset, body, copyStart,
- copyLength);
-
- if (copyStart == range.getStart())
- {
- if (copyEnd == range.getEnd())
- {
- missing.removeElementAt(i--);
- }
- else
- {
- range.setStart(copyEnd);
- }
- }
- else
- {
- if (copyEnd == range.getEnd())
- {
- range.setEnd(copyStart);
- }
- else
- {
- missing.insertElementAt(new Range(copyEnd, range.getEnd()), ++i);
- range.setEnd(copyStart);
- }
- }
- }
- }
- }
-
- void reset()
- {
- this.missing.removeAllElements();
- this.missing.addElement(new Range(0, body.length));
- }
-
- private static class Range
- {
- private int start, end;
-
- Range(int start, int end)
- {
- this.start = start;
- this.end = end;
- }
-
- public int getStart()
- {
- return start;
- }
-
- public void setStart(int start)
- {
- this.start = start;
- }
-
- public int getEnd()
- {
- return end;
- }
-
- public void setEnd(int end)
- {
- this.end = end;
- }
- }
-}