/** {@inheritDoc} */
@Override
protected void body() throws InterruptedException, IgniteInterruptedCheckedException {
try {
IgfsDataInputStream dis = new IgfsDataInputStream(endpoint.inputStream());
byte[] hdr = new byte[IgfsMarshaller.HEADER_SIZE];
boolean first = true;
while (!Thread.currentThread().isInterrupted()) {
dis.readFully(hdr);
final long reqId = U.bytesToLong(hdr, 0);
int ordinal = U.bytesToInt(hdr, 8);
if (first) { // First message must be HANDSHAKE.
if (reqId != 0 || ordinal != IgfsIpcCommand.HANDSHAKE.ordinal()) {
if (log.isDebugEnabled())
log.debug(
"IGFS IPC handshake failed [reqId=" + reqId + ", ordinal=" + ordinal + ']');
return;
}
first = false;
}
final IgfsIpcCommand cmd = IgfsIpcCommand.valueOf(ordinal);
IgfsMessage msg = marsh.unmarshall(cmd, hdr, dis);
IgniteInternalFuture<IgfsMessage> fut = hnd.handleAsync(ses, msg, dis);
// If fut is null, no response is required.
if (fut != null) {
if (fut.isDone()) {
IgfsMessage res;
try {
res = fut.get();
} catch (IgniteCheckedException e) {
res = new IgfsControlResponse();
((IgfsControlResponse) res).error(e);
}
try {
synchronized (out) {
// Reuse header.
IgfsMarshaller.fillHeader(hdr, reqId, res.command());
marsh.marshall(res, hdr, out);
out.flush();
}
} catch (IOException | IgniteCheckedException e) {
shutdown0(e);
}
} else {
fut.listen(
new CIX1<IgniteInternalFuture<IgfsMessage>>() {
@Override
public void applyx(IgniteInternalFuture<IgfsMessage> fut) {
IgfsMessage res;
try {
res = fut.get();
} catch (IgniteCheckedException e) {
res = new IgfsControlResponse();
((IgfsControlResponse) res).error(e);
}
try {
synchronized (out) {
byte[] hdr = IgfsMarshaller.createHeader(reqId, res.command());
marsh.marshall(res, hdr, out);
out.flush();
}
} catch (IOException | IgniteCheckedException e) {
shutdown0(e);
}
}
});
}
}
}
} catch (EOFException ignored) {
// Client closed connection.
} catch (IgniteCheckedException | IOException e) {
if (!isCancelled())
U.error(log, "Failed to read data from client (will close connection)", e);
} finally {
onFinished();
}
}
