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/**
* Copyright (C) 2021 Saturneric
*
* This file is part of GpgFrontend.
*
* GpgFrontend is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GpgFrontend is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GpgFrontend. If not, see <https://www.gnu.org/licenses/>.
*
* The initial version of the source code is inherited from
* the gpg4usb project, which is under GPL-3.0-or-later.
*
* The source code version of this software was modified and released
* by Saturneric<[email protected]><[email protected]> starting on May 12, 2021.
*
*/
#include "core/thread/Task.h"
#include <boost/uuid/uuid.hpp>
#include <boost/uuid/uuid_generators.hpp>
#include <boost/uuid/uuid_io.hpp>
#include <functional>
#include <string>
#include <utility>
#include "core/thread/TaskRunner.h"
GpgFrontend::Thread::Task::Task() : uuid_(generate_uuid()) {
SPDLOG_TRACE("task {} created", uuid_);
init();
}
GpgFrontend::Thread::Task::Task(TaskCallback callback,
DataObjectPtr data_object)
: uuid_(generate_uuid()),
callback_(std::move(callback)),
callback_thread_(QThread::currentThread()),
data_object_(data_object) {
SPDLOG_TRACE("task {} created with callback, callback_thread_: {}", uuid_,
static_cast<void *>(callback_thread_));
init();
}
GpgFrontend::Thread::Task::Task(TaskRunnable runnable, TaskCallback callback,
DataObjectPtr data_object)
: uuid_(generate_uuid()),
runnable_(std::move(runnable)),
callback_(std::move(callback)),
callback_thread_(QThread::currentThread()),
data_object_(data_object) {
init();
SPDLOG_TRACE(
"task {} created with runnable and callback, callback_thread_: {}", uuid_,
static_cast<void *>(callback_thread_));
}
GpgFrontend::Thread::Task::~Task() { SPDLOG_TRACE("task {} destroyed", uuid_); }
std::string GpgFrontend::Thread::Task::GetUUID() const { return uuid_; }
void GpgFrontend::Thread::Task::SetFinishAfterRun(bool finish_after_run) {
this->finish_after_run_ = finish_after_run;
}
void GpgFrontend::Thread::Task::SetRTN(int rtn) { this->rtn_ = rtn; }
void GpgFrontend::Thread::Task::init() {
connect(this, &Task::SignalTaskFinished, this, &Task::before_finish_task);
}
void GpgFrontend::Thread::Task::before_finish_task() {
SPDLOG_TRACE("task {} finished", uuid_);
try {
if (callback_) {
bool if_invoke = QMetaObject::invokeMethod(
callback_thread_,
[callback = callback_, rtn = rtn_, data_object = data_object_]() {
callback(rtn, data_object);
});
if (!if_invoke) {
SPDLOG_ERROR("failed to invoke callback");
}
}
} catch (std::exception &e) {
SPDLOG_ERROR("exception caught: {}", e.what());
} catch (...) {
SPDLOG_ERROR("unknown exception caught");
}
emit SignalTaskPostFinishedDone();
}
void GpgFrontend::Thread::Task::run() {
SPDLOG_TRACE("task {} started", uuid_);
Run();
if (finish_after_run_) emit SignalTaskFinished();
}
void GpgFrontend::Thread::Task::Run() {
if (runnable_) {
bool if_invoke = QMetaObject::invokeMethod(
this, [=]() { return runnable_(data_object_); }, &rtn_);
if (!if_invoke) {
SPDLOG_ERROR("qt invokeMethod failed");
}
}
}
GpgFrontend::Thread::Task::DataObject::Destructor *
GpgFrontend::Thread::Task::DataObject::get_heap_ptr(size_t bytes_size) {
Destructor *dstr_ptr = new Destructor();
dstr_ptr->p_obj = malloc(bytes_size);
return dstr_ptr;
}
GpgFrontend::Thread::Task::DataObject::~DataObject() {
if (!data_objects_.empty())
SPDLOG_WARN("data_objects_ is not empty",
"address:", static_cast<void *>(this));
while (!data_objects_.empty()) {
free_heap_ptr(data_objects_.top());
data_objects_.pop();
}
}
size_t GpgFrontend::Thread::Task::DataObject::GetObjectSize() {
return data_objects_.size();
}
void GpgFrontend::Thread::Task::DataObject::free_heap_ptr(Destructor *ptr) {
SPDLOG_TRACE("p_obj: {} data object: {}",
static_cast<const void *>(ptr->p_obj),
static_cast<void *>(this));
if (ptr->destroy != nullptr) {
ptr->destroy(ptr->p_obj);
}
free((void *)ptr->p_obj);
delete ptr;
}
std::string GpgFrontend::Thread::Task::generate_uuid() {
return boost::uuids::to_string(boost::uuids::random_generator()());
}
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