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Implement stream header for BTPv2. #111

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akwizgran
2015-12-14 13:29:28 +00:00
parent 766179ac97
commit f2efe7f2ea
9 changed files with 591 additions and 233 deletions
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10
briar-tests/src/org/briarproject/transport/TestStreamDecrypter.java
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@@ -8,7 +8,7 @@ import java.io.EOFException;
import java.io.IOException;
import java.io.InputStream;
import static org.briarproject.api.transport.TransportConstants.HEADER_LENGTH;
import static org.briarproject.api.transport.TransportConstants.FRAME_HEADER_LENGTH;
import static org.briarproject.api.transport.TransportConstants.MAC_LENGTH;
import static org.briarproject.api.transport.TransportConstants.MAX_FRAME_LENGTH;
@@ -24,8 +24,8 @@ class TestStreamDecrypter implements StreamDecrypter {
public int readFrame(byte[] payload) throws IOException {
int offset = 0;
while (offset < HEADER_LENGTH) {
int read = in.read(frame, offset, HEADER_LENGTH - offset);
while (offset < FRAME_HEADER_LENGTH) {
int read = in.read(frame, offset, FRAME_HEADER_LENGTH - offset);
if (read == -1) throw new EOFException();
offset += read;
}
@@ -37,9 +37,9 @@ class TestStreamDecrypter implements StreamDecrypter {
offset += read;
}
if (!finalFrame && offset < frame.length) throw new EOFException();
if (offset < HEADER_LENGTH + payloadLength + MAC_LENGTH)
if (offset < FRAME_HEADER_LENGTH + payloadLength + MAC_LENGTH)
throw new FormatException();
System.arraycopy(frame, HEADER_LENGTH, payload, 0, payloadLength);
System.arraycopy(frame, FRAME_HEADER_LENGTH, payload, 0, payloadLength);
return payloadLength;
}
}