bc::duration<double> Scheduler::estimateExecutionTime(JobPtr j) {
// TODO[mtottenh]:Add code to estimate a job finish time
double milliseconds = (double)j->getReq()->predictedTimeMillis;
bc::duration<double, boost::ratio<1, 1000> > milli_sec(milliseconds);
auto micro_sec = bc::duration_cast<bc::microseconds>(milli_sec);
// LOG(debug) << milli_sec.count() << "ms"
// << ", " << micro_sec.count() << "us";
return milli_sec;
}
void Scheduler::runJob(JobResPairPtr j) {
ResourceListPtr resourceList;
JobTuplePtr jobTuplePtr;
std::tie(jobTuplePtr, resourceList) = *j;
JobPtr jobPtr = std::get<0>(*jobTuplePtr);
// LOG(debug) << "- Scheduler::runJob(" << *jobPtr << ")";
// LOG(debug) << "- Allocated[" << resourceList->size() << "]";
char packed_rids = 0x0;
std::stringstream ss;
for (auto &r : *resourceList) {
ss << r.getId() << ", ";
switch (r.getId()) {
case 1:
packed_rids |= RID1;
break;
case 2:
packed_rids |= RID2;
break;
case 3:
packed_rids |= RID3;
break;
case 4:
packed_rids |= RID4;
break;
}
}
// LOG(debug) << "\t* Rids: { " << ss.str() << "}";
const Resource& r = resourceList->front();
const string &name = r.getName().c_str();
int portNumber = r.getPort();
msg_t *req = jobPtr->getReq();
// LOG(debug) << "\t* Opening connection to: " << name << ":"
// << portNumber << "";
Client c(portNumber, name);
auto start = bc::system_clock::now();
c.start();
boost::this_thread::interruption_point();
if (req != NULL) {
req->rids = packed_rids;
c.send(req);
}
int sizeBytes = sizeof(msg_t) + req->expDataSizeBytes;
char *buff = (char *)calloc(sizeBytes, 1);
if (buff == NULL) {
// LOG(debug) << "\tUnable to allocate result buffer";
c.stop();
returnResources(resourceList);
resourceList = nullptr;
}
msg_t *rsp = (msg_t *)buff;
do {
// LOG(debug) << "\t Reading reply, size: " << sizeBytes;
c.read(buff, sizeBytes);
} while (rsp->msgId != MSG_RESULT);
// LOG(debug) << "\t* Got Result";
c.stop();
auto end = bc::system_clock::now();
jobPtr->setMeasuredExecutionTime(end - start);
jobPtr->setActualExecutionTime(bc::milliseconds(rsp->predictedTimeMillis));
jobPtr->setRsp((msg_t *)buff);
returnResources(resourceList);
resourceList = nullptr;
std::get<0>(*jobTuplePtr)->setFinishTime(bc::system_clock::now());
finishedQ->push_front(jobTuplePtr);
// LOG(debug) << "Removing job from runQ";
removeJobFromRunQ(jobPtr->getId());
}