107 lines
2.7 KiB
C++
107 lines
2.7 KiB
C++
#include "mainwindow.h"
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#include "ui_mainwindow.h"
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#include "downloadfile.h"
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#include "tools.h"
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#include <pstreams/pstream.h>
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#include <sstream>
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#include <string>
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#include <cstring>
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#include <iostream>
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#include <stdio.h>
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#include <QMessageBox>
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#include <vector>
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#include <boost/algorithm/string/replace.hpp>
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#include <memory>
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#include <stdexcept>
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#include <array>
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#include <unistd.h>
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#include <sys/types.h>
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using namespace std;
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// Initialization de la class
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downloadFile::downloadFile()
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{
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}
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//Slot activated when download is cancelled
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void downloadFile::cancelled(int pid)
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{
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if (pid == 0)
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{
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perror("Pid = 0 : I do not kill"); // Error rsync process not launched so it can't be killed
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}else if (kill(pid, SIGTERM) == -1)
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{
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//TODO managing error of kill
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}
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}
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// launch a rsync processus downloading a file
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void downloadFile::download(MainWindow *mw)
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{
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string line;
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string errorRsync;
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int pos;
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array<string,8> argv;
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stringstream output;
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vector<string> v;
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int value;
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char buffer[4096];
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// Populating array with command and parameters for popen2
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argv[0] = "/usr/bin/rsync";
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if (mw->connexion.bandwidthLimit == 0)
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{
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argv[1] = "--bwlimit=1000P";
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}else
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{
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argv[1] = "--bwlimit=" + to_string(mw->connexion.bandwidthLimit) + mw->connexion.bandwidthLimitUnit;
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}
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argv[2] = "--port=" + to_string(mw->connexion.port);
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argv[3] = "-P";
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argv[4] = mw->downloading.server + "::" + mw->downloading.service + "/" + mw->downloading.path;
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argv[5] = mw->downloading.savePath + "/";
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argv[6].clear();
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//launching downloading thread
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FILE * fp = popen2(argv, "r", mw->downloading.pid);
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if (fp <= (FILE *) 0)
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{
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sprintf(buffer, "popen2() failed!: returning code:%d", fileno(fp));
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throw runtime_error(buffer);
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return;
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}
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// waiting rsync output
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while (fgets(buffer, 4096, fp) != nullptr)
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{
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// Downloading is cancelled, we return
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if (this->canceled == true)
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{
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return;
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}
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line = buffer;
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// extracting percentage of completion
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pos = line.find('%');
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if (pos != -1)
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{
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line.erase(pos);
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pos = line.find_last_of(' ');
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if (pos != -1)
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{
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line.erase(0, pos);
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value = stoi(line);
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// sending progress to Main window
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emit progressSignal(value);
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}
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}
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// download ended
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}
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pclose2(fp, mw->downloading.pid);
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// ProgressBar to 100% and emit signal finished to main application
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emit progressSignal(100);
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emit finishedSignal(true);
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}
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