/**
* Establish a connection with the Leader found by findLeader. Retries 5 times before giving up.
*
* @param addr - the address of the Leader to connect to.
* @throws IOException - if the socket connection fails on the 5th attempt
* @throws ConnectException
* @throws InterruptedException
*/
protected void connectToLeader(InetSocketAddress addr)
throws IOException, ConnectException, InterruptedException {
sock = new Socket();
sock.setSoTimeout(self.tickTime * self.initLimit);
for (int tries = 0; tries < 5; tries++) {
try {
sock.connect(addr, self.tickTime * self.syncLimit);
sock.setTcpNoDelay(nodelay);
break;
} catch (IOException e) {
if (tries == 4) {
LOG.error("Unexpected exception", e);
throw e;
} else {
LOG.warn("Unexpected exception, tries=" + tries + ", connecting to " + addr, e);
sock = new Socket();
sock.setSoTimeout(self.tickTime * self.initLimit);
}
}
Thread.sleep(1000);
}
leaderIs = M2mBinaryInputArchive.getArchive(new BufferedInputStream(sock.getInputStream()));
bufferedOutput = new BufferedOutputStream(sock.getOutputStream());
leaderOs = M2mBinaryOutputArchive.getArchive(bufferedOutput);
}
public void delete(final String path) {
M2mRequestHeader m2mRequestHeader = new M2mRequestHeader();
m2mRequestHeader.setType(ZooDefs.OpCode.delete);
m2mRequestHeader.setKey(path);
M2mDeleteRequest m2mDeleteRequest = new M2mDeleteRequest(path);
M2mReplyHeader m2mReplyHeader = new M2mReplyHeader();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
M2mBinaryOutputArchive.getArchive(baos);
M2mPacket m2mPacket =
new M2mPacket(m2mRequestHeader, m2mReplyHeader, m2mDeleteRequest, new M2mCreateResponse());
tcpClient.write(m2mPacket);
}
public String create(final String path, byte[] data) throws IOException {
M2mRequestHeader m2mRequestHeader = new M2mRequestHeader();
m2mRequestHeader.setType(ZooDefs.OpCode.create);
m2mRequestHeader.setKey(path);
M2mCreateRequest m2mCreateRequest = new M2mCreateRequest();
M2mCreateResponse m2mCreateResponse = new M2mCreateResponse();
M2mReplyHeader m2mReplyHeader = new M2mReplyHeader();
m2mCreateRequest.setKey(path);
M2mDataNode m2mDataNode = new M2mDataNode();
m2mDataNode.setId(path);
m2mDataNode.setData(11);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
M2mBinaryOutputArchive boa = M2mBinaryOutputArchive.getArchive(baos);
m2mDataNode.serialize(boa, "m2mData");
byte[] bytes = baos.toByteArray();
m2mCreateRequest.setData(bytes);
M2mPacket m2mPacket =
new M2mPacket(m2mRequestHeader, m2mReplyHeader, m2mCreateRequest, m2mCreateResponse);
tcpClient.write(m2mPacket);
return "";
}