public String dumpHistory() {
StringBuilder sb = new StringBuilder();
for (String line : history) {
sb.append(line + "\n");
}
return sb.toString();
}
@ManagedOperation
public String printPreviousViews() {
StringBuilder sb = new StringBuilder();
for (Tuple<View, Long> tmp : prev_views)
sb.append(new Date(tmp.getVal2())).append(": ").append(tmp.getVal1()).append("\n");
return sb.toString();
}
/**
* Send all fragments as separate messages (with same ID !). Example:
*
* <pre>
* Given the generated ID is 2344, number of fragments=3, message {dst,src,buf}
* would be fragmented into:
*
* [2344,3,0]{dst,src,buf1},
* [2344,3,1]{dst,src,buf2} and
* [2344,3,2]{dst,src,buf3}
* </pre>
*/
private void fragment(Message msg) {
try {
byte[] buffer = msg.getRawBuffer();
List<Range> fragments = Util.computeFragOffsets(msg.getOffset(), msg.getLength(), frag_size);
int num_frags = fragments.size();
num_sent_frags.addAndGet(num_frags);
if (log.isTraceEnabled()) {
Address dest = msg.getDest();
StringBuilder sb = new StringBuilder("fragmenting packet to ");
sb.append((dest != null ? dest.toString() : "<all members>"))
.append(" (size=")
.append(buffer.length);
sb.append(") into ")
.append(num_frags)
.append(" fragment(s) [frag_size=")
.append(frag_size)
.append(']');
log.trace(sb.toString());
}
long frag_id = getNextId(); // used as a seqno
for (int i = 0; i < fragments.size(); i++) {
Range r = fragments.get(i);
// don't copy the buffer, only src, dest and headers. Only copy the headers one time !
Message frag_msg = msg.copy(false, i == 0);
frag_msg.setBuffer(buffer, (int) r.low, (int) r.high);
FragHeader hdr = new FragHeader(frag_id, i, num_frags);
frag_msg.putHeader(this.id, hdr);
down_prot.down(new Event(Event.MSG, frag_msg));
}
} catch (Exception e) {
if (log.isErrorEnabled()) log.error("fragmentation failure", e);
}
}
public String dumpQueue() {
StringBuilder sb = new StringBuilder();
List v = queue.values();
for (Iterator it = v.iterator(); it.hasNext(); ) {
sb.append(it.next() + "\n");
}
return sb.toString();
}
public String toString() {
StringBuilder ret = new StringBuilder();
ret.append("[tot_frags=")
.append(fragments.length)
.append(", number_of_frags_recvd=")
.append(number_of_frags_recvd)
.append(']');
return ret.toString();
}
@ManagedOperation
public String printPreviousMembers() {
StringBuilder sb = new StringBuilder();
if (prev_members != null) {
for (Address addr : prev_members) {
sb.append(addr).append("\n");
}
}
return sb.toString();
}
public String toString() {
StringBuilder sb = new StringBuilder("GmsHeader");
sb.append('[' + type2String(type) + ']');
switch (type) {
case JOIN_REQ:
case LEAVE_REQ:
case GET_DIGEST_REQ:
sb.append(": mbr=" + mbr);
break;
case JOIN_RSP:
sb.append(": join_rsp=" + join_rsp);
break;
case VIEW:
case VIEW_ACK:
sb.append(": view=" + view);
break;
case MERGE_REQ:
sb.append(": merge_id=" + merge_id).append(", mbrs=" + mbrs);
break;
case MERGE_RSP:
sb.append(": view=" + view + ", digest=" + my_digest + ", merge_id=" + merge_id);
if (merge_rejected) sb.append(", merge_rejected=" + merge_rejected);
break;
case INSTALL_MERGE_VIEW:
case GET_DIGEST_RSP:
case INSTALL_DIGEST:
sb.append(": view=" + view + ", digest=" + my_digest);
break;
case CANCEL_MERGE:
sb.append(", <merge cancelled>, merge_id=" + merge_id);
break;
}
return sb.toString();
}
