/**
* Set the options this this record. Container records should have the last nibble set to 0xF.
*
* <p
* Note that <code>options</code> is an internal field. Use {@link #getInstance()} and
* {@link #getVersion()} to access actual fields.
*/
@Internal
public void setOptions(short options) {
// call to handle correct/incorrect values
setVersion(fVersion.getShortValue(options));
setInstance(fInstance.getShortValue(options));
_options = options;
}
public void testIsAllSet() {
for (int j = 0; j < 0x3F80; j += 0x80) {
assertTrue(!bf_multi.isAllSet(j));
}
assertTrue(bf_multi.isAllSet(0x3F80));
assertTrue(!bf_single.isAllSet(0));
assertTrue(bf_single.isAllSet(0x4000));
}
/**
* Switch from magnet mode to normal mode. If we already have the metainfo, this does nothing.
*
* @param meta non-null
* @since 0.8.4
*/
public void setMetaInfo(MetaInfo meta) {
if (metainfo != null) return;
BitField oldBF = bitfield;
if (oldBF != null) {
if (oldBF.size() != meta.getPieces())
// fix bitfield, it was too big by 1-7 bits
bitfield = new BitField(oldBF.getFieldBytes(), meta.getPieces());
// else no extra
} else {
// it will be initialized later
// bitfield = new BitField(meta.getPieces());
}
metainfo = meta;
if (bitfield != null && bitfield.count() > 0) setInteresting(true);
}
void bitfieldMessage(byte[] bitmap) {
synchronized (this) {
if (_log.shouldLog(Log.DEBUG)) _log.debug(peer + " rcv bitfield");
if (bitfield != null) {
// XXX - Be liberal in what you accept?
if (_log.shouldLog(Log.WARN)) _log.warn("Got unexpected bitfield message from " + peer);
return;
}
// XXX - Check for weird bitfield and disconnect?
// FIXME will have to regenerate the bitfield after we know exactly
// how many pieces there are, as we don't know how many spare bits there are.
if (metainfo == null) bitfield = new BitField(bitmap, bitmap.length * 8);
else bitfield = new BitField(bitmap, metainfo.getPieces());
}
if (metainfo == null) return;
boolean interest = listener.gotBitField(peer, bitfield);
setInteresting(interest);
if (bitfield.complete() && !interest) {
// They are seeding and we are seeding,
// why did they contact us? (robert)
// Dump them quick before we send our whole bitmap
if (_log.shouldLog(Log.WARN)) _log.warn("Disconnecting seed that connects to seeds: " + peer);
peer.disconnect(true);
}
}
@Override
public void onBitfield(BitField receivedBitField) {
if (logger.isDebugEnabled()) {
String type = receivedBitField.hasBitsUnset() ? "LEECHER" : "SEEDER";
logger.debug("Bitfield received from peer {} ({})", PeerConnection.this, type);
}
if (!handshakeReceived) {
throw new TorrentProtocolException("no handshake received before bitfield");
}
bitField.get().add(receivedBitField);
seeder = !bitField.get().hasBitsUnset();
}
public void testSetLargeValues() {
final BitField bf1 = new BitField(0xF), bf2 = new BitField(0xF0000000);
int a = 0;
a = bf1.setValue(a, 9);
a = bf2.setValue(a, 9);
assertEquals(9, bf1.getValue(a));
assertEquals(9, bf2.getValue(a));
}
public void testSetValue() {
for (int j = 0; j < 128; j++) {
assertEquals(bf_multi.getValue(bf_multi.setValue(0, j)), j);
assertEquals(bf_multi.setValue(0, j), j << 7);
}
// verify that excess bits are stripped off
assertEquals(bf_multi.setValue(0x3f80, 128), 0);
for (int j = 0; j < 2; j++) {
assertEquals(bf_single.getValue(bf_single.setValue(0, j)), j);
assertEquals(bf_single.setValue(0, j), j << 14);
}
// verify that excess bits are stripped off
assertEquals(bf_single.setValue(0x4000, 2), 0);
}
public void testSetShortValue() {
for (int j = 0; j < 128; j++) {
assertEquals(bf_multi.getShortValue(bf_multi.setShortValue((short) 0, (short) j)), (short) j);
assertEquals(bf_multi.setShortValue((short) 0, (short) j), (short) (j << 7));
}
// verify that excess bits are stripped off
assertEquals(bf_multi.setShortValue((short) 0x3f80, (short) 128), (short) 0);
for (int j = 0; j < 2; j++) {
assertEquals(
bf_single.getShortValue(bf_single.setShortValue((short) 0, (short) j)), (short) j);
assertEquals(bf_single.setShortValue((short) 0, (short) j), (short) (j << 14));
}
// verify that excess bits are stripped off
assertEquals(bf_single.setShortValue((short) 0x4000, (short) 2), (short) 0);
}
void haveMessage(int piece) {
if (_log.shouldLog(Log.DEBUG)) _log.debug(peer + " rcv have(" + piece + ")");
// FIXME we will lose these until we get the metainfo
if (metainfo == null) return;
// Sanity check
if (piece < 0 || piece >= metainfo.getPieces()) {
// XXX disconnect?
if (_log.shouldLog(Log.WARN))
_log.warn("Got strange 'have: " + piece + "' message from " + peer);
return;
}
synchronized (this) {
// Can happen if the other side never send a bitfield message.
if (bitfield == null) bitfield = new BitField(metainfo.getPieces());
bitfield.set(piece);
}
if (listener.gotHave(peer, piece)) setInteresting(true);
}
public void testSetShort() {
assertEquals(bf_multi.setShort((short) 0), (short) 0x3F80);
assertEquals(bf_single.setShort((short) 0), (short) 0x4000);
}
/** Sets the shadow field value. display a shadow for the chart */
public void setShadow(boolean value) {
field_1_formatFlags = shadow.setShortBoolean(field_1_formatFlags, value);
}
/**
* display a shadow for the chart
*
* @return the shadow field value.
*/
public boolean isShadow() {
return shadow.isSet(field_1_formatFlags);
}
public void testGetShortRawValue() {
assertEquals(bf_multi.getShortRawValue((short) -1), (short) 0x3F80);
assertEquals(bf_multi.getShortRawValue((short) 0), (short) 0);
assertEquals(bf_single.getShortRawValue((short) -1), (short) 0x4000);
assertEquals(bf_single.getShortRawValue((short) 0), (short) 0);
}
public void testGetRawValue() {
assertEquals(bf_multi.getRawValue(-1), 0x3F80);
assertEquals(bf_multi.getRawValue(0), 0);
assertEquals(bf_single.getRawValue(-1), 0x4000);
assertEquals(bf_single.getRawValue(0), 0);
}
public void testGetShortValue() {
assertEquals(bf_multi.getShortValue((short) -1), (short) 127);
assertEquals(bf_multi.getShortValue((short) 0), (short) 0);
assertEquals(bf_single.getShortValue((short) -1), (short) 1);
assertEquals(bf_single.getShortValue((short) 0), (short) 0);
}
/**
* results displayed as percentages
*
* @return the display as percentage field value.
*/
public boolean isDisplayAsPercentage() {
return displayAsPercentage.isSet(field_1_formatFlags);
}
/**
* Sets the version part of record
*
* @param value version part value
*/
public void setVersion(short value) {
_options = fVersion.setShortValue(_options, value);
}
/**
* Sets the instance part of record
*
* @param value instance part value
*/
public void setInstance(short value) {
_options = fInstance.setShortValue(_options, value);
}
/** Sets the custom number format field value. true if this object has a custom number format */
public void setCustomNumberFormat(boolean value) {
field_3_options = customNumberFormat.setShortBoolean(field_3_options, value);
}
public void testSet() {
assertEquals(bf_multi.set(0), 0x3F80);
assertEquals(bf_single.set(0), 0x4000);
}
public void testClearShort() {
assertEquals(bf_multi.clearShort((short) -1), (short) 0xC07F);
assertEquals(bf_single.clearShort((short) -1), (short) 0xBFFF);
}
public void testClear() {
assertEquals(bf_multi.clear(-1), 0xFFFFC07F);
assertEquals(bf_single.clear(-1), 0xFFFFBFFF);
}
/**
* true if this object has a custom number format
*
* @return the custom number format field value.
*/
public boolean isCustomNumberFormat() {
return customNumberFormat.isSet(field_3_options);
}
public void testSetBoolean() {
assertEquals(bf_multi.set(0), bf_multi.setBoolean(0, true));
assertEquals(bf_single.set(0), bf_single.setBoolean(0, true));
assertEquals(bf_multi.clear(-1), bf_multi.setBoolean(-1, false));
assertEquals(bf_single.clear(-1), bf_single.setBoolean(-1, false));
}
/**
* Returns the instance part of the option record.
*
* @return The instance part of the record
*/
public short getInstance() {
return fInstance.getShortValue(_options);
}
public void testSetShortBoolean() {
assertEquals(bf_multi.setShort((short) 0), bf_multi.setShortBoolean((short) 0, true));
assertEquals(bf_single.setShort((short) 0), bf_single.setShortBoolean((short) 0, true));
assertEquals(bf_multi.clearShort((short) -1), bf_multi.setShortBoolean((short) -1, false));
assertEquals(bf_single.clearShort((short) -1), bf_single.setShortBoolean((short) -1, false));
}
/**
* Returns the version part of the option record.
*
* @return The version part of the option record
*/
public short getVersion() {
return fVersion.getShortValue(_options);
}
public void testGetValue() {
assertEquals(bf_multi.getValue(-1), 127);
assertEquals(bf_multi.getValue(0), 0);
assertEquals(bf_single.getValue(-1), 1);
assertEquals(bf_single.getValue(0), 0);
}
/**
* Read the options field from header and return instance part of it.
*
* @param data the byte array to read from
* @param offset the offset to start reading from
* @return value of instance part of options field
*/
protected static short readInstance(byte data[], int offset) {
final short options = LittleEndian.getShort(data, offset);
return fInstance.getShortValue(options);
}
/** Sets the display as percentage field value. results displayed as percentages */
public void setDisplayAsPercentage(boolean value) {
field_1_formatFlags = displayAsPercentage.setShortBoolean(field_1_formatFlags, value);
}
