/**
* Write commands to log file
*
* @param commands array of commands. Each command is an array of bytes
* @param msgCtx
*/
private void saveCommands(byte[][] commands, MessageContext[] msgCtx) {
if (!config.isToLog()) return;
if (commands.length != msgCtx.length) {
System.out.println("----SIZE OF COMMANDS AND MESSAGE CONTEXTS IS DIFFERENT----");
System.out.println(
"----COMMANDS: " + commands.length + ", CONTEXTS: " + msgCtx.length + " ----");
}
logLock.lock();
int cid = msgCtx[0].getConsensusId();
int batchStart = 0;
for (int i = 0; i <= msgCtx.length; i++) {
if (i
== msgCtx
.length) { // the batch command contains only one command or it is the last position
// of the array
byte[][] batch = Arrays.copyOfRange(commands, batchStart, i);
MessageContext[] batchMsgCtx = Arrays.copyOfRange(msgCtx, batchStart, i);
log.addMessageBatch(batch, batchMsgCtx, cid);
log.setLastCID(cid, globalCheckpointPeriod, checkpointPortion);
// if(batchStart > 0)
// System.out.println("Last batch: " + commands.length + "," + batchStart + "-" + i +
// "," + batch.length);
} else {
if (msgCtx[i].getConsensusId()
> cid) { // saves commands when the CID changes or when it is the last batch
byte[][] batch = Arrays.copyOfRange(commands, batchStart, i);
MessageContext[] batchMsgCtx = Arrays.copyOfRange(msgCtx, batchStart, i);
// System.out.println("THERE IS MORE THAN ONE CID in this batch." + commands.length +
// "," + batchStart + "-" + i + "," + batch.length);
log.addMessageBatch(batch, batchMsgCtx, cid);
log.setLastCID(cid, globalCheckpointPeriod, checkpointPortion);
cid = msgCtx[i].getConsensusId();
batchStart = i;
}
}
}
logLock.unlock();
}
private void saveState(byte[] snapshot, int lastCID) {
logLock.lock();
Logger.println("(TOMLayer.saveState) Saving state of CID " + lastCID);
log.newCheckpoint(snapshot, computeHash(snapshot), lastCID);
log.setLastCID(-1);
log.setLastCheckpointCID(lastCID);
logLock.unlock();
Logger.println("(TOMLayer.saveState) Finished saving state of CID " + lastCID);
}
