Distribution.cpp 13.9 KB
Newer Older
1
#include <cmath>
2 3 4 5 6 7 8 9 10 11 12 13 14 15
#include <set>
#include <stack>
#include <vector>
#include <iostream>
#include <sstream>
#include <fstream>
#include <algorithm>
/* -- */
#include <QSlider>
#include <QPainter>
#include <QTextEdit>
#include <QHBoxLayout>
#include <QTreeWidgetItem>
#include <QStackedWidget>
16 17 18
#include <QGraphicsLineItem>
#include <QGraphicsScene>
#include <QGraphicsView>
19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417
/* -- */
#include "plugin/Plugin.hpp"
/* -- */
#include "trace/EntityTypes.hpp"
#include "trace/Entitys.hpp"
#include "trace/Container.hpp"
#include "trace/EntityValue.hpp"
#include "trace/StateChange.hpp"
#include "trace/tree/BinaryTree.hpp"
#include "trace/tree/Node.hpp"
#include "trace/Trace.hpp"
/* -- */
#include "common/Message.hpp"

class Distribution : public Plugin {

class LogEntry {
public:
	Date start;
	double duration;

	LogEntry(Date _start, double _duration)
	{
		this->start = _start;
		this->duration = _duration;
	}

	/* XXX could not this be nicer ? */
	struct compar_date_sort {
		bool operator()(LogEntry *e1, LogEntry *e2)
		{
			return (e1->start < e2->start);
		}
	} compar_date_sort_op;

	struct compar_duration_sort {
		bool operator()(LogEntry *e1, LogEntry *e2)
		{
			return (e1->duration < e2->duration);
		}
	} compar_duration_sort_op;

	void sort_by_duration(std::vector<LogEntry *> &le_list)
	{
		std::sort(le_list.begin(), le_list.end(), compar_duration_sort_op);
	}

	void sort_by_date(std::vector<LogEntry *> &le_list)
	{
		std::sort(le_list.begin(), le_list.end(), compar_date_sort_op);
	}
};



private:
    QTextEdit *_text_info;
    QTreeWidget *_nodes_selected;
    QTreeWidget *_state_names_selected;

    QGraphicsScene *scene;
    QGraphicsView *view;

    QSlider *min_slider;
    QSlider *max_slider;

    /* all names found in the trace */
    std::set<std::string> state_types_names;

    void select_container_rec(QTreeWidgetItem * root_node, Container *current_container) const {
        const std::list<Container *> *children = current_container->get_children();

	// Add the root container names
	QList<QTreeWidgetItem *> items;
        QFlags<Qt::ItemFlag>     flg      = Qt::ItemIsUserCheckable | Qt::ItemIsSelectable | Qt::ItemIsEnabled | Qt::ItemIsTristate;

        for (std::list<Container *>::const_iterator it = children->begin();
             it != children->end();
             it ++) {
            // We create the node and we do the recursivity
            std::string name = (*it)->get_name().to_string();
            QStringList temp(QString::fromStdString(name));
	    QTreeWidgetItem *current_node = new QTreeWidgetItem((QTreeWidgetItem *)root_node, temp);

	    current_node->setFlags(flg);
	    current_node->setCheckState(0,Qt::Unchecked);
	    items.append(current_node);

            select_container_rec(current_node, (*it));
        }   
    }
 
    void select_container() const {
        const std::list<Container *> *root_containers = _trace->get_root_containers();

        // Add the root container names
        QList<QTreeWidgetItem *> items;
        QFlags<Qt::ItemFlag>     flg=Qt::ItemIsUserCheckable | Qt::ItemIsEnabled | Qt::ItemIsSelectable | Qt::ItemIsTristate;

	for (std::list<Container *>::const_iterator it = root_containers->begin(); it != root_containers->end(); it++) {
		std::string name = (*it)->get_name().to_string();
		QStringList temp(QString::fromStdString(name));
		QTreeWidgetItem *current_node = new QTreeWidgetItem((QTreeWidgetItem *)0, temp);

		current_node->setFlags(flg);
		current_node->setCheckState(0,Qt::Unchecked);
		items.append(current_node);

		// Recursivity to add the children names
		select_container_rec(current_node, *it);
	}

	(*(items.begin()))->setExpanded(true);
	_nodes_selected->insertTopLevelItems(0, items);

    }
    
    void browse_statechange_tree(Node<StateChange> *node, QString &text, std::string &container_name, std::ostream &stream,
					std::set<std::string> &selected_state_types_names, std::vector<LogEntry *> &found_states) const {
	if (!node)
		return;

	/* handle the node */
	const State *st = node->get_element()->get_left_state();
	
	if (st)
	{
		const std::string name = st->get_value()->get_name().to_string();

		/* does the name appear in the set of selected names ? */
		std::set<std::string>::const_iterator it = selected_state_types_names.find(name);
		if (it != selected_state_types_names.end())
		{
			double length = st->get_duration();
			Date start = st->get_start_time();

			stream << container_name;
			stream << "\t";
			stream << name;
			stream << "\t";
			stream << start.to_string();
			stream << "\t";
			stream << length;
			stream << "\n";

			LogEntry *le = new LogEntry(start, length); 
		
			found_states.push_back(le);
		}

	}

	/* handle its left child */
	browse_statechange_tree(node->get_left_child(), text, container_name, stream, selected_state_types_names, found_states);

	/* handle its right child */
	browse_statechange_tree(node->get_right_child(), text, container_name, stream, selected_state_types_names, found_states);
    }

    std::string get_container_complete_name(const Container * container) const {
	std::string str;

	if (container->get_parent())
	{
		str = get_container_complete_name(container->get_parent());
		str.append("_");
	}
	else
	{
		str = "";
	}
		
	std::string name = container->get_name().to_string();

	str.append(name);

	return str;
    }

    int handle_container(Container * &container,
				QString &text,
				std::ostream &stream,
				std::set<std::string> &selected_state_types_names,
				std::vector<LogEntry *> &found_states) const {
	std::string name = get_container_complete_name(container);
	text += QString::fromStdString(name);

	Node<StateChange> *root_node = container->get_states()->get_root();
	browse_statechange_tree(root_node, text, name, stream, selected_state_types_names, found_states);

	int localcnt = container->get_state_number();
        text += QString("   count: %1<br/>").arg(localcnt);
	return localcnt;
    }

    void get_statechange_distribution(QString &text) const {
        /* count */
        int count = 0;
 
        text += "<h2>States:</h2>";

	std::ofstream SaveFile("distribution.txt");
	
        /* the names that were selected by the application */
        std::set<std::string> selected_state_types_names;
	find_selected_state_types_names(selected_state_types_names);

	/* A vector to store the entries that matched user contraints */
	std::vector<LogEntry *> found_states;

	/* Only handle the containers that the user have selected */
	QTreeWidgetItemIterator it(_nodes_selected);
	while (*it) {
	    (*it)->setFlags ((*it)->flags () | Qt::ItemIsUserCheckable);

	    if ((*it)->checkState(0))
	    {
		Container *cont = _trace->search_container((*it)->text(0).toStdString());
		std::string name = get_container_complete_name(cont);

		//printf("Container %s was selected\n", name.c_str());
	        count += handle_container(cont, text, SaveFile, selected_state_types_names, found_states);
	    }

	    ++it;
	}

	/* XXX i need C++ courses ;) */
	LogEntry dummy(0, 0);
	dummy.sort_by_duration(found_states);

	/* TODO really take the min and the max ... */
	double min_quantile = 0.01 * (double)min_slider->value();
	double max_quantile = 0.01 * (double)max_slider->value();
	printf("quantiles : min %lf max %lf\n", min_quantile, max_quantile);
	compute_histogram_duration(found_states, min_quantile, max_quantile, 25);
	
        text += QString("Total count: %1").arg(count);
	SaveFile.close();
    }

    /* Fill name_set with the names of the state contained in sub-tree node */
    void get_state_names_list(std::set<std::string> &name_set, Node<StateChange> *node)
    {
	if (!node)
		return;

	/* handle the node */
	const State *left_st = node->get_element()->get_left_state();
	if (left_st)
	{
	    const std::string name = left_st->get_value()->get_name().to_string();
	    name_set.insert(name);
	}

	const State *right_st = node->get_element()->get_right_state();
	if (right_st)
	{
	    const std::string name = right_st->get_value()->get_name().to_string();
	    name_set.insert(name);
	}

	/* handle its left child */
	get_state_names_list(name_set, node->get_left_child());

	/* handle its right child */
	get_state_names_list(name_set, node->get_right_child());
    }

    void select_state_types(void)
    {
	/* For all containers, get the list of state names */
        std::list <Container *> container_list;
        _trace->get_all_containers(container_list);
	
	for(std::list<Container *>::const_iterator it = container_list.begin();
		it != container_list.end(); ++ it)
	{
	    BinaryTree<StateChange> *states;
	    states = (*it)->get_states();
	    if(states && states->get_root()) {
	        get_state_names_list(state_types_names, states->get_root()); 
	    }
	}

        QList<QTreeWidgetItem *> items;
        QFlags<Qt::ItemFlag>     flg=Qt::ItemIsUserCheckable | Qt::ItemIsEnabled | Qt::ItemIsSelectable | Qt::ItemIsTristate;

	/* Add a tick box per name of event */
	for(std::set<std::string>::const_iterator it = state_types_names.begin();
		it != state_types_names.end(); it++)
	{
	    QStringList temp(QString::fromStdString(*it));
	    QTreeWidgetItem *current_node = new QTreeWidgetItem((QTreeWidgetItem *)0, temp);

	    current_node->setFlags(flg);
	    current_node->setCheckState(0,Qt::Unchecked);
	    items.append(current_node);
	}

	(*(items.begin()))->setExpanded(true);
	_state_names_selected->insertTopLevelItems(0, items);
    }

    void find_selected_state_types_names(std::set<std::string> &selected_state_types_names) const {
	/* Go through the tick box list to find which are the names that have been selected */
	QTreeWidgetItemIterator it(_state_names_selected);
	while (*it) {
	    (*it)->setFlags ((*it)->flags () | Qt::ItemIsUserCheckable);

	    if ((*it)->checkState(0))
	    {
		std::string name = (*it)->text(0).toStdString();
		selected_state_types_names.insert(name);	
		//printf("Name %s was selected\n", name.c_str());
	    }

	    ++it;
	}
    }

    double compute_quantile_duration(std::vector<LogEntry *>le_list, float alpha) const {
	float sizef = (float)(le_list.size() - 1);

	if (alpha > 1.0)
		alpha = 1.0;
		
	if (alpha < 0.0)
		alpha = 0.0;

	float indf = alpha*sizef;
	unsigned ind = floor(indf);

	LogEntry *le = le_list[ind];

	return le->duration;
    }

    void compute_histogram_duration(std::vector<LogEntry *>le_list,
		float min_quantile, float max_quantile, unsigned nbreaks) const
    {
	if (le_list.size() == 0)
		return;

	/* Select values in [min_val ; max_val[ */
	double min_val = compute_quantile_duration(le_list, min_quantile);
	double max_val = compute_quantile_duration(le_list, max_quantile);

	if (max_val - min_val == 0.0)
	{
		printf("Cannot display histogram: not enough different values\n");
		return;
	}

	unsigned i;
        unsigned *cnt = (unsigned *)malloc((nbreaks+1)*sizeof(unsigned));
        unsigned total_cnt = 0;
	unsigned max_cnt = 0;

	/* start from a blank histogram */
	for (i = 0; i < nbreaks; i++)
		cnt[i] = 0;

	for (i = 0; i < le_list.size(); i++)
	{
	    double val = le_list[i]->duration;
	    if ((val >= min_val) && (val < max_val))
	    {
	        /* in which bin does the value go ? */
		unsigned bin = floor((nbreaks*(val - min_val))/(max_val - min_val));
		cnt[bin]++;
		total_cnt++;
	    }
	}

	if (total_cnt == 0)
        {
            free(cnt);
            return;
        }

	for (i = 0; i < nbreaks; i++)
	{
	    if (max_cnt < cnt[i])
		max_cnt = cnt[i];

	    double start = (i * (max_val - min_val))/nbreaks + min_val;
	    double end = ((i+1) * (max_val - min_val))/nbreaks + min_val;
	    printf("BIN[%d] = %d / %d - [ %lf, %lf [\n", i, cnt[i], total_cnt, start, end);
	}

	/* Start from a blank canva */
	scene->clear();

	/* Display the histogram now */
	int height = 200;
	int width = 100;
	int offsety = 100;

418 419
	scene->addItem(new QGraphicsLineItem(0, 0+offsety, 0, -height+offsety, NULL));
	scene->addItem(new QGraphicsLineItem(0, 0+offsety, width, 0+offsety, NULL));
420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506

	for (i = 0; i < nbreaks; i++)
	{
	    int xstart = floor(((double)width * i)/nbreaks);
	    int xend = floor(((double)width * (i+1))/nbreaks);
	    int yend = floor(((double)height*cnt[i])/max_cnt);

	    QGraphicsRectItem *rect = new QGraphicsRectItem(xstart, -yend+offsety, xend - xstart, yend, NULL);
	    QColor col(0, 0, 255, 127);
	    rect->setBrush(QColor(255, 0, 0, 255));
	    rect->brush();
	    scene->addItem(rect);
	}
        free(cnt);
    }

public: 
    Distribution() {
        QHBoxLayout *horizontalLayout = new QHBoxLayout(this);
        _text_info = new QTextEdit();
        horizontalLayout->addWidget(_text_info);

	//QStackedWidget *stackedWidget = new QStackedWidget;
	scene = new QGraphicsScene(0, 0, 100, 100, this);
	view = new QGraphicsView(scene);
	horizontalLayout->addWidget(view);

	_nodes_selected = new QTreeWidget();
	_state_names_selected = new QTreeWidget();

	horizontalLayout->addWidget(_nodes_selected);
	horizontalLayout->addWidget(_state_names_selected);

	min_slider = new QSlider();
    	min_slider->setFocusPolicy(Qt::StrongFocus);
	min_slider->setTickPosition(QSlider::TicksBothSides);
	min_slider->setTickInterval(10);
	min_slider->setRange(0, 100);
	min_slider->setSingleStep(1);
	min_slider->setObjectName("totp");
	min_slider->setValue(5);
	horizontalLayout->addWidget(min_slider);

	max_slider = new QSlider();
    	max_slider->setFocusPolicy(Qt::StrongFocus);
	max_slider->setTickPosition(QSlider::TicksBothSides);
	max_slider->setTickInterval(10);
	max_slider->setRange(0, 100);
	max_slider->setSingleStep(1);
	max_slider->setValue(95);
	horizontalLayout->addWidget(max_slider);

    }

    void init() {
        //_text_info->clear();
	select_container();
	select_state_types();
    }

    void clear() {
        _text_info->clear();
    }

    void set_arguments(std::map<std::string /*argname*/, QVariant */*argValue*/>) {}

    std::string get_name() {
        return "Distribution";
    }

public slots:
    void execute() {
        _text_info->clear();
        QString text ("<center><h1> Distribution </h1></center>");

        get_statechange_distribution(text);

        _text_info->setHtml(text);
    }
};

extern "C" 
#ifdef WIN32
	__declspec(dllexport)
#endif
Plugin *create() { return new Distribution(); }