/*
    PIP - Platform Independent Primitives
    Class for send and receive PIByteArray via PIBaseTransfer
    Andrey Bychkov work.a.b@yandex.ru

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program 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 Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#include "pidatatransfer.h"


PIByteArray PIDataTransfer::buildPacket(Part fi) {
	PIByteArray ba;
	ba.resize(fi.size);
	memcpy(ba.data(), data_.data(fi.start), fi.size);
	return ba;
}


void PIDataTransfer::receivePart(Part fi, PIByteArray ba, PIByteArray pheader) {
	if (data_.size() < fi.start + fi.size) data_.resize(fi.start + fi.size);
	memcpy(data_.data(fi.start), ba.data(), ba.size_s());
}


void PIDataTransfer::beginReceive() {
	data_.clear();
}


bool PIDataTransfer::send(const PIByteArray & ba) {
	data_ = ba;
	buildSession(PIVector<Part>() << Part(0, data_.size()));
	return send_process();
}