131 lines
3.2 KiB
C++
131 lines
3.2 KiB
C++
#pragma once
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#include <unistd.h>
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#include "File.h"
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#include "Task.h"
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enum SupervisorState {
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WorkspacesCreation, //0
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Preparation, //1
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Execution, //2
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Archivation, //3
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End //4
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};
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template <class T>
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class Supervisor : public Array <T> {
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protected:
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SupervisorState state;
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public:
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virtual String getStatePrefix() {
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return String("");
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}
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String printState() {
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switch (state) {
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case WorkspacesCreation:
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return String("WorkspacesCreation");
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case Preparation:
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return String("Preparation");
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case Execution:
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return String("Execution");
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case Archivation:
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return String("Archivation");
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case End:
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return String("End");
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default:
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return "?";
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}
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}
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//-
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void print() {
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for (long i = 0; i < this->length; ++i)
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this->elements[i]->print();
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}
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void init(const char* fileName, int recordSize) {
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state = WorkspacesCreation;
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File* packedTasks = new File(fileName);
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Text* lines = packedTasks->readLines();
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this->length = lines->getLength() / recordSize;
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this->elements = new T * [this->length];
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int offset = 0;
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for (int i = 0; i < this->length; ++i) {
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this->elements[i] = new T(lines, offset);
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offset += recordSize;
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}
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delete packedTasks;
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delete lines;
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}
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void Do() {
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saveState();
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long activeCount = 0;
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//todo обязательно убрать отладочную печать.
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printf("tasks count = %ld\n", this->length);
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while (this->state != End) {
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// printf("state=%d\n", this->state);
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// printf("max=%d; busy=%d; free=%d\n", maxKernels, busyKernels, freeKernels);
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activeCount = 0;
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for (long i = 0; i < this->length; ++i) {
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T* task = this->elements[i];
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switch (this->state) {
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case WorkspacesCreation:
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if (task->getState() == Waiting) {
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activeCount++;
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task->createWorkspace();
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task->setState(WorkspaceCreated);
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}
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break;
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case Preparation:
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if (task->getState() == WorkspaceCreated) {
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activeCount++;
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task->prepareWorkspace();
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task->createLaunchScript();
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task->setState(WorkspaceReady);
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}
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break;
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case Execution:
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if (task->getState() == WorkspaceReady) {
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activeCount++;
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task->Start();
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}
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else if (task->getState() == Running) {
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activeCount++;
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task->Check();
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}
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break;
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default:
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// printf("id = %ld; state = %d\n", task->getId(), task->getState());
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break;
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}
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}
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// printf("active count = %d\n", activeCount);
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if (activeCount == 0) {
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switch (this->state) {
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case WorkspacesCreation:
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this->state = Preparation;
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saveState();
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break;
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case Preparation:
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this->state = Execution;
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saveState();
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break;
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case Execution:
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Finalize();
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this->state = End;
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saveState();
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break;
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default:
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this->state = End;
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break;
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}
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}
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Utils::Sleep(2);
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}
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}
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virtual void Finalize() {}
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void saveState() {
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Utils::Sleep(1); //чтобы не было одинаковых по дате файлов.
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String stateFile = packageWorkspace + "/state/" + getStatePrefix() + printState();
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//printf("stateFile=<%s>\n", stateFile.getCharArray());
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File(stateFile, Utils::getDate());
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}
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}; |