440 lines
13 KiB
C++
440 lines
13 KiB
C++
/*
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* Squawk messenger.
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* Copyright (C) 2019 Yury Gubich <blue@macaw.me>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "manager.h"
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#include <QDebug>
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#include "cardinternal.h"
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#include "infoforuser.h"
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#include "owncardinternal.h"
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#include "owninfoforuser.h"
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Core::DelayManager::Manager::Manager(const QString& poj, Job::Id mpj, QObject* parent) :
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QObject(parent),
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maxParallelJobs(mpj),
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nextJobId(1),
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scheduledJobs(),
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scheduledJobsById(scheduledJobs.get<id>()),
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jobSequence(scheduledJobs.get<sequence>()),
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runningJobs(),
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ownVCardJobId(0),
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ownInfoJobId(0),
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scheduledVCards(),
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requestedVCards(),
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#ifdef WITH_OMEMO
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requestedBundles(),
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#endif
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ownJid(poj)
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{}
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Core::DelayManager::Manager::~Manager() {
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for (const std::pair<const Job::Id, Job*>& pair : runningJobs)
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delete pair.second;
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for (Job* job : jobSequence)
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delete job;
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}
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Core::DelayManager::Job::Id Core::DelayManager::Manager::getNextJobId() {
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Job::Id id = nextJobId++;
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if (id == 0)
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id = nextJobId++;
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return id;
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}
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void Core::DelayManager::Manager::getInfo(const QString& jid) {
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if (jid == ownJid)
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return getOwnInfo();
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Job* job = nullptr;
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#ifdef WITH_OMEMO
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std::map<QString, Job::Id>::const_iterator bitr = requestedBundles.find(jid);
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if (bitr != requestedBundles.end()) {
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std::map<Job::Id, Job*>::const_iterator itr = runningJobs.find(bitr->second);
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if (itr == runningJobs.end())
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throw JobNotFound(bitr->second);
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job = itr->second;
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}
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else
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#endif
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job = getVCardJob(jid);
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if (job != nullptr) {
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if (job->type == Job::Type::cardInternal)
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replaceJob(new InfoForUser(job->id, jid));
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} else
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scheduleJob(new InfoForUser(getNextJobId(), jid));
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}
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void Core::DelayManager::Manager::getOwnInfo() {
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if (ownInfoJobId == 0) {
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if (ownVCardJobId != 0)
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replaceJob(new OwnInfoForUser(ownVCardJobId));
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else
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scheduleJob(new OwnInfoForUser(getNextJobId()));
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}
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}
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void Core::DelayManager::Manager::getVCard(const QString& jid) {
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Job* job = getVCardJob(jid);
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if (job == nullptr)
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scheduleJob(new CardInternal(getNextJobId(), jid));
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}
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void Core::DelayManager::Manager::getOwnVCard() {
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if (ownVCardJobId == 0)
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scheduleJob(new OwnCardInternal(getNextJobId()));
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}
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bool Core::DelayManager::Manager::isOwnVCardPending() const {
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return ownVCardJobId != 0;
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}
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Core::DelayManager::Job* Core::DelayManager::Manager::getVCardJob(const QString& jid) {
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Job* job = nullptr;
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std::map<QString, Job::Id>::const_iterator sitr = scheduledVCards.find(jid);
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if (sitr == scheduledVCards.end()) {
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std::map<QString, Job::Id>::const_iterator ritr = requestedVCards.find(jid);
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if (ritr != requestedVCards.end()) {
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std::map<Job::Id, Job*>::const_iterator itr = runningJobs.find(ritr->second);
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if (itr == runningJobs.end())
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throw JobNotFound(ritr->second, "getVCardJob:1");
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job = itr->second;
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}
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} else {
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StorageById::const_iterator itr = scheduledJobsById.find(sitr->second);
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if (itr == scheduledJobsById.end())
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throw JobNotFound(sitr->second, "getVCardJob:2");
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job = *itr;
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}
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return job;
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}
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void Core::DelayManager::Manager::preScheduleJob(Job* job) {
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switch (job->type) {
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case Job::Type::cardInternal:
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scheduledVCards.emplace(dynamic_cast<CardInternal*>(job)->jid, job->id);
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break;
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case Job::Type::ownCardInternal:
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ownVCardJobId = job->id;
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break;
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case Job::Type::infoForUser:
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scheduledVCards.emplace(dynamic_cast<InfoForUser*>(job)->jid, job->id);
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break;
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case Job::Type::ownInfoForUser:
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ownVCardJobId = job->id;
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ownInfoJobId = job->id;
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break;
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}
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}
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void Core::DelayManager::Manager::scheduleJob(Job* job) {
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preScheduleJob(job);
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if (runningJobs.size() < maxParallelJobs)
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executeJob(job);
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else
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scheduledJobs.push_back(job);
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}
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void Core::DelayManager::Manager::preExecuteJob(Job* job) {
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switch (job->type) {
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case Job::Type::cardInternal:
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case Job::Type::infoForUser: {
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Contact* cij = dynamic_cast<Contact*>(job);
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requestedVCards.emplace(cij->jid, job->id);
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scheduledVCards.erase(cij->jid);
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}
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break;
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case Job::Type::ownInfoForUser:
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case Job::Type::ownCardInternal:
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break;
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}
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}
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void Core::DelayManager::Manager::executeJob(Job* job) {
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preExecuteJob(job);
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runningJobs.emplace(job->id, job);
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switch (job->type) {
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case Job::Type::cardInternal:
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case Job::Type::infoForUser:
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emit requestVCard(dynamic_cast<Contact*>(job)->jid);
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break;
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case Job::Type::ownInfoForUser:
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case Job::Type::ownCardInternal:
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emit requestOwnVCard();
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break;
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}
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}
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void Core::DelayManager::Manager::jobIsDone(Job::Id jobId) {
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std::map<Job::Id, Job*>::const_iterator itr = runningJobs.find(jobId);
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if (itr == runningJobs.end())
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throw JobNotFound(jobId, "jobIsDone");
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Job* job = itr->second;
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delete job;
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runningJobs.erase(itr);
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if (scheduledJobs.size() > 0) {
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Job* job = scheduledJobs.front();
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scheduledJobs.pop_front();
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executeJob(job);
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}
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}
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void Core::DelayManager::Manager::replaceJob(Job* job) {
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preScheduleJob(job);
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std::map<Job::Id, Job*>::iterator itr = runningJobs.find(job->id);
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if (itr != runningJobs.end()) {
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preExecuteJob(job);
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delete itr->second;
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itr->second = job;
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} else {
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StorageById::iterator sitr = scheduledJobsById.find(job->id);
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if (sitr != scheduledJobsById.end()) {
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delete *(sitr);
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scheduledJobsById.replace(sitr, job);
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} else
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throw JobNotFound(job->id, "replaceJob");
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}
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}
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void Core::DelayManager::Manager::jobIsCanceled(Job* job, bool wasRunning) {
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switch (job->type) {
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case Job::Type::cardInternal: {
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CardInternal* jb = dynamic_cast<CardInternal*>(job);
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if (wasRunning)
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requestedVCards.erase(jb->jid);
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else
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scheduledVCards.erase(jb->jid);
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emit gotVCard(jb->jid, Shared::VCard());
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}
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break;
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case Job::Type::infoForUser: {
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InfoForUser* jb = dynamic_cast<InfoForUser*>(job);
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switch (jb->getStage()) {
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case InfoForUser::Stage::waitingForVCard:
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if (wasRunning)
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requestedVCards.erase(jb->jid);
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else
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scheduledVCards.erase(jb->jid);
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emit gotVCard(jb->jid, Shared::VCard());
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break;
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case InfoForUser::Stage::waitingForBundles:
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#ifdef WITH_OMEMO
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requestedBundles.erase(jb->jid);
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#endif
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break;
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default:
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break;
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}
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emit gotInfo(Shared::Info(jb->jid));
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}
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break;
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case Job::Type::ownInfoForUser: {
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OwnInfoForUser* jb = dynamic_cast<OwnInfoForUser*>(job);
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if (jb->getStage() == OwnInfoForUser::Stage::waitingForVCard) {
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ownVCardJobId = 0;
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emit gotOwnVCard(Shared::VCard());
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}
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ownInfoJobId = 0;
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emit gotOwnInfo(Shared::Info (ownJid));
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}
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break;
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case Job::Type::ownCardInternal:
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ownVCardJobId = 0;
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emit gotOwnVCard(Shared::VCard());
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break;
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}
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delete job;
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}
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void Core::DelayManager::Manager::disconnected() {
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for (const std::pair<const Job::Id, Job*> pair : runningJobs)
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jobIsCanceled(pair.second, true);
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for (Job* job : scheduledJobs)
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jobIsCanceled(job, false);
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runningJobs.clear();
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scheduledJobs.clear();
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}
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void Core::DelayManager::Manager::receivedVCard(const QString& jid, const Shared::VCard& card) {
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std::map<QString, Job::Id>::const_iterator cardItr = requestedVCards.find(jid);
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if (cardItr == requestedVCards.end()) {
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qDebug() << "received VCard for" << jid << "but it was never requested through manager, ignoring";
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return;
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}
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Job::Id jobId = cardItr->second;
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requestedVCards.erase(cardItr);
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std::map<Job::Id, Job*>::const_iterator itr = runningJobs.find(jobId);
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if (itr == runningJobs.end())
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throw JobNotFound(jobId, "receivedVCard");
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Job* job = itr->second;
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switch (job->type) {
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case Job::Type::cardInternal:
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jobIsDone(jobId);
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emit gotVCard(jid, card);
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break;
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case Job::Type::infoForUser: {
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#ifdef WITH_OMEMO
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requestedBundles.emplace(jid, jobId);
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InfoForUser* jb = dynamic_cast<InfoForUser*>(job);
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jb->receivedVCard(card);
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emit requestBundles(jid);
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#else
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Shared::Info info(jid);
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info.turnIntoContact(card);
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emit gotInfo(info);
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jobIsDone(jobId);
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#endif
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emit gotVCard(jid, card);
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}
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break;
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default:
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throw UnexpectedJobType(job->type, "receivedVCard");
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}
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}
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void Core::DelayManager::Manager::receivedOwnVCard(const Shared::VCard& card) {
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if (ownVCardJobId == 0) {
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qDebug() << "received own VCard for" << ownJid << "but it was never requested through manager, ignoring";
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return;
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}
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Job::Id jobId = ownVCardJobId;
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ownVCardJobId = 0;
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std::map<Job::Id, Job*>::const_iterator itr = runningJobs.find(jobId);
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if (itr == runningJobs.end())
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throw JobNotFound(jobId, "receivedOwnVCard");
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Job* job = itr->second;
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switch (job->type) {
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case Job::Type::ownCardInternal:
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jobIsDone(jobId);
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emit gotOwnVCard(card);
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break;
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case Job::Type::ownInfoForUser: {
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#ifdef WITH_OMEMO
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OwnInfoForUser* jb = dynamic_cast<OwnInfoForUser*>(job);
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jb->receivedVCard(card);
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emit requestOwnBundles();
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#else
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Shared::Info info(ownJid);
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info.turnIntoOwnAccount(card);
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emit gotOwnInfo(info);
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jobIsDone(jobId);
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#endif
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emit gotOwnVCard(card);
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}
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break;
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default:
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throw UnexpectedJobType(job->type, "receivedVCard");
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}
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}
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#ifdef WITH_OMEMO
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void Core::DelayManager::Manager::receivedBundles(const QString& jid, const std::list<Shared::KeyInfo>& keys) {
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std::map<QString, Job::Id>::const_iterator itr = requestedBundles.find(jid);
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if (itr == requestedBundles.end()) {
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qDebug() << "received bundles for" << jid << "but they were never requested through manager, ignoring";
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return;
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}
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Job::Id jobId = itr->second;
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requestedBundles.erase(itr);
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std::map<Job::Id, Job*>::const_iterator jitr = runningJobs.find(jobId);
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if (jitr == runningJobs.end())
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throw JobNotFound(jobId, "receivedBundles");
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Job* jb = jitr->second;
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InfoForUser* job = dynamic_cast<InfoForUser*>(jb);
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Shared::Info info(jid);
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info.turnIntoContact(job->claim(), new std::list<Shared::KeyInfo>(keys));
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emit gotInfo(info);
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jobIsDone(jobId);
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}
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void Core::DelayManager::Manager::receivedOwnBundles(const std::list<Shared::KeyInfo>& keys) {
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if (ownInfoJobId == 0) {
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qDebug() << "received own bundles for" << ownJid << "but they were never requested through manager, ignoring";
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return;
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}
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Job::Id jobId = ownInfoJobId;
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ownInfoJobId = 0;
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std::map<Job::Id, Job*>::const_iterator jitr = runningJobs.find(jobId);
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if (jitr == runningJobs.end())
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throw JobNotFound(jobId, "receivedOwnBundles");
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Job* jb = jitr->second;
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OwnInfoForUser* job = dynamic_cast<OwnInfoForUser*>(jb);
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Shared::Info info(ownJid);
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info.turnIntoOwnAccount(job->claim(), new std::list<Shared::KeyInfo>(keys));
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emit gotOwnInfo(info);
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jobIsDone(jobId);
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}
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#endif
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void Core::DelayManager::Manager::setOwnJid(const QString& jid) {
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ownJid = jid;
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}
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Core::DelayManager::Manager::UnexpectedJobType::UnexpectedJobType(Job::Type p_type, const std::string& p_method):
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Exception(),
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type(p_type),
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method(p_method)
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{}
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std::string Core::DelayManager::Manager::UnexpectedJobType::getMessage() const{
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std::string msg("Unexpected job type: ");
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msg += Job::TypeString[static_cast<int>(type)];
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if (method.size() > 0)
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msg += " in method " + method;
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return msg;
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}
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Core::DelayManager::Manager::JobNotFound::JobNotFound(Job::Id p_id, const std::string& p_method) :
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Exception(),
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id(p_id),
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method(p_method)
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{}
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std::string Core::DelayManager::Manager::JobNotFound::getMessage() const {
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std::string msg("Job with id ");
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msg += std::to_string(id);
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msg += " was not found";
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if (method.size() > 0)
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msg += " in method " + method;
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return msg;
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}
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