/**
* We need to resend our first message with our conn_id
*
* @param sender
* @param seqno Resend the non null messages in the range [lowest .. seqno]
*/
protected void handleResendingOfFirstMessage(Address sender, long seqno) {
if (log.isTraceEnabled())
log.trace(local_addr + " <-- SEND_FIRST_SEQNO(" + sender + "," + seqno + ")");
SenderEntry entry = send_table.get(sender);
Table<Message> win = entry != null ? entry.sent_msgs : null;
if (win == null) {
if (log.isErrorEnabled())
log.error(local_addr + ": sender window for " + sender + " not found");
return;
}
boolean first_sent = false;
for (long i = win.getLow() + 1; i <= seqno; i++) {
Message rsp = win.get(i);
if (rsp == null) continue;
if (first_sent) {
down_prot.down(new Event(Event.MSG, rsp));
} else {
first_sent = true;
// We need to copy the UnicastHeader and put it back into the message because Message.copy()
// doesn't copy
// the headers and therefore we'd modify the original message in the sender retransmission
// window
// (https://jira.jboss.org/jira/browse/JGRP-965)
Message copy = rsp.copy();
Unicast2Header hdr = (Unicast2Header) copy.getHeader(this.id);
Unicast2Header newhdr = hdr.copy();
newhdr.first = true;
copy.putHeader(this.id, newhdr);
down_prot.down(new Event(Event.MSG, copy));
}
}
}
/**
* We need to resend our first message with our conn_id
*
* @param sender
* @param seqno Resend messages in the range [lowest .. seqno]
*/
private void handleResendingOfFirstMessage(Address sender, long seqno) {
if (log.isTraceEnabled())
log.trace(local_addr + " <-- SEND_FIRST_SEQNO(" + sender + "," + seqno + ")");
SenderEntry entry = send_table.get(sender);
AckSenderWindow win = entry != null ? entry.sent_msgs : null;
if (win == null) {
if (log.isErrorEnabled())
log.error(local_addr + ": sender window for " + sender + " not found");
return;
}
long lowest = win.getLowest();
Message rsp = win.get(lowest);
if (rsp == null) return;
// We need to copy the UnicastHeader and put it back into the message because Message.copy()
// doesn't copy
// the headers and therefore we'd modify the original message in the sender retransmission
// window
// (https://jira.jboss.org/jira/browse/JGRP-965)
Message copy = rsp.copy();
Unicast2Header hdr = (Unicast2Header) copy.getHeader(this.id);
Unicast2Header newhdr = hdr.copy();
newhdr.first = true;
copy.putHeader(this.id, newhdr);
if (log.isTraceEnabled()) {
StringBuilder sb = new StringBuilder();
sb.append(local_addr)
.append(" --> DATA(")
.append(copy.getDest())
.append(": #")
.append(newhdr.seqno)
.append(", conn_id=")
.append(newhdr.conn_id);
if (newhdr.first) sb.append(", first");
sb.append(')');
log.trace(sb);
}
down_prot.down(new Event(Event.MSG, copy));
if (++lowest > seqno) return;
for (long i = lowest; i <= seqno; i++) {
rsp = win.get(i);
if (rsp != null) down_prot.down(new Event(Event.MSG, rsp));
}
}