116 lines
2.8 KiB
C++
116 lines
2.8 KiB
C++
/*
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----
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This file is part of SECONDO.
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Copyright (C) 2017,
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Faculty of Mathematics and Computer Science,
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Database Systems for New Applications.
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SECONDO 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 2 of the License, or
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(at your option) any later version.
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SECONDO 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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You should have received a copy of the GNU General Public License
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along with SECONDO; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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----
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//[$][\$]
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//[_][\_]
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*/
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#include <iosfwd>
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#include <fstream>
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#include "FileTransferClient.h"
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#include "FileTransferKeywords.h"
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#include "SocketIO.h"
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#include "StringUtils.h"
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using namespace std;
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namespace distributed2 {
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FileTransferClient::FileTransferClient(string& _server, int _port,
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bool _receive, string& _localName, string& _remoteName) :
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Client(_server, _port, 0),
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receive(_receive), localName(_localName), remoteName(_remoteName) {
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}
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int FileTransferClient::start() {
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socket = Socket::Connect(server, stringutils::int2str(port),
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Socket::SockGlobalDomain, 3, 1);
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if (!socket) {
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return 8;
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}
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if (!socket->IsOk()) {
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return 9;
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}
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if (receive) {
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return receiveFile();
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} else {
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return sendFile();
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}
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}
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int FileTransferClient::sendFile() {
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return 10; // not implemented yet
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}
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int FileTransferClient::receiveFile() {
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iostream& io = socket->GetSocketStream();
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string line;
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getline(io, line);
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if (line != FileTransferKeywords::FileTransferServer()) {
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return 11;
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}
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io << FileTransferKeywords::FileTransferClient() << endl;
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io << FileTransferKeywords::SendFile() << endl;
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io << remoteName << endl;
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io.flush();
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getline(io, line);
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if (line == FileTransferKeywords::FileNotFound()) {
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return 12;
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}
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if (line != FileTransferKeywords::Data()) {
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return 13;
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}
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getline(io, line);
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bool ok;
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size_t t = stringutils::str2int<size_t>(line, ok);
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if (!ok || t < 1) {
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return 14;
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}
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size_t bufsize = 4096;
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char buffer[bufsize];
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// read in data
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ofstream out(localName.c_str(), ios::binary | ios::trunc);
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while (t > 0) {
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size_t s = min(t, bufsize);
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if (!io.read(buffer, s)) {
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return 15;
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}
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t -= s;
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out.write(buffer, s);
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}
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out.close();
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getline(io, line);
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if (line != FileTransferKeywords::EndData()) {
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return 16;
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}
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return 0;
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}
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}
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