public static void testWriteAddress() throws Exception {
Address a1 = Util.createRandomAddress();
Address a2 = Util.createRandomAddress();
Address a4 = Util.createRandomAddress();
ByteArrayOutputStream outstream = new ByteArrayOutputStream();
DataOutputStream dos = new DataOutputStream(outstream);
Util.writeAddress(a1, dos);
Util.writeAddress(a2, dos);
Util.writeAddress(a4, dos);
dos.close();
byte[] buf = outstream.toByteArray();
ByteArrayInputStream instream = new ByteArrayInputStream(buf);
DataInputStream dis = new DataInputStream(instream);
Assert.assertEquals(a1, Util.readAddress(dis));
Assert.assertEquals(a2, Util.readAddress(dis));
Assert.assertEquals(a4, Util.readAddress(dis));
}
public static void testWriteNullAddress() throws Exception {
Address a1 = null;
ByteArrayOutputStream outstream = new ByteArrayOutputStream();
DataOutputStream dos = new DataOutputStream(outstream);
Util.writeAddress(a1, dos);
dos.close();
byte[] buf = outstream.toByteArray();
ByteArrayInputStream instream = new ByteArrayInputStream(buf);
DataInputStream dis = new DataInputStream(instream);
assert Util.readAddress(dis) == null;
}
/**
* Streams all members (dest and src addresses, buffer and headers) to the output stream.
*
* @param out
* @throws Exception
*/
public void writeTo(DataOutput out) throws Exception {
byte leading = 0;
if (dest_addr != null) leading = Util.setFlag(leading, DEST_SET);
if (src_addr != null) leading = Util.setFlag(leading, SRC_SET);
if (buf != null) leading = Util.setFlag(leading, BUF_SET);
// 1. write the leading byte first
out.write(leading);
// 2. the flags (e.g. OOB, LOW_PRIO), skip the transient flags
out.writeShort(flags);
// 3. dest_addr
if (dest_addr != null) Util.writeAddress(dest_addr, out);
// 4. src_addr
if (src_addr != null) Util.writeAddress(src_addr, out);
// 5. buf
if (buf != null) {
out.writeInt(length);
out.write(buf, offset, length);
}
// 6. headers
int size = headers.size();
out.writeShort(size);
final short[] ids = headers.getRawIDs();
final Header[] hdrs = headers.getRawHeaders();
for (int i = 0; i < ids.length; i++) {
if (ids[i] > 0) {
out.writeShort(ids[i]);
writeHeader(hdrs[i], out);
}
}
}
public void writeTo(DataOutput out) throws Exception {
out.writeByte(type);
boolean isMergeView = view != null && view instanceof MergeView;
out.writeBoolean(isMergeView);
Util.writeStreamable(view, out);
Util.writeAddress(mbr, out);
Util.writeAddresses(mbrs, out);
Util.writeStreamable(join_rsp, out);
Util.writeStreamable(my_digest, out);
Util.writeStreamable(merge_id, out);
out.writeBoolean(merge_rejected);
out.writeBoolean(useFlushIfPresent);
}
/**
* Writes the message to the output stream, but excludes the dest and src addresses unless the src
* address given as argument is different from the message's src address
*
* @param src
* @param out
* @throws Exception
*/
public void writeToNoAddrs(Address src, DataOutputStream out) throws Exception {
byte leading = 0;
boolean write_src_addr = src == null || src_addr != null && !src_addr.equals(src);
if (write_src_addr) leading = Util.setFlag(leading, SRC_SET);
if (buf != null) leading = Util.setFlag(leading, BUF_SET);
// 1. write the leading byte first
out.write(leading);
// 2. the flags (e.g. OOB, LOW_PRIO)
out.writeShort(flags);
// 4. src_addr
if (write_src_addr) Util.writeAddress(src_addr, out);
// 5. buf
if (buf != null) {
out.writeInt(length);
out.write(buf, offset, length);
}
// 6. headers
int size = headers.size();
out.writeShort(size);
final short[] ids = headers.getRawIDs();
final Header[] hdrs = headers.getRawHeaders();
for (int i = 0; i < ids.length; i++) {
if (ids[i] > 0) {
out.writeShort(ids[i]);
writeHeader(hdrs[i], out);
}
}
}