124 lines
3.7 KiB
C++
124 lines
3.7 KiB
C++
/**
|
|
* Copyright 2013 Albert Vaca <albertvaka@gmail.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of
|
|
* the License or (at your option) version 3 or any later version
|
|
* accepted by the membership of KDE e.V. (or its successor approved
|
|
* by the membership of KDE e.V.), which shall act as a proxy
|
|
* defined in Section 14 of version 3 of the license.
|
|
*
|
|
* 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "landevicelink.h"
|
|
|
|
#include <sys/socket.h>
|
|
#include <netinet/in.h>
|
|
#include <netinet/tcp.h>
|
|
#include <netdb.h>
|
|
|
|
#include "../linkprovider.h"
|
|
#include "uploadjob.h"
|
|
#include "downloadjob.h"
|
|
|
|
LanDeviceLink::LanDeviceLink(const QString& d, LinkProvider* a, QTcpSocket* socket)
|
|
: DeviceLink(d, a)
|
|
{
|
|
mSocket = socket;
|
|
|
|
int fd = socket->socketDescriptor();
|
|
int enableKeepAlive = 1;
|
|
setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, &enableKeepAlive, sizeof(enableKeepAlive));
|
|
|
|
int maxIdle = 60; /* seconds */
|
|
setsockopt(fd, IPPROTO_TCP, TCP_KEEPIDLE, &maxIdle, sizeof(maxIdle));
|
|
|
|
int count = 3; // send up to 3 keepalive packets out, then disconnect if no response
|
|
setsockopt(fd, getprotobyname("TCP")->p_proto, TCP_KEEPCNT, &count, sizeof(count));
|
|
|
|
int interval = 5; // send a keepalive packet out every 2 seconds (after the 5 second idle period)
|
|
setsockopt(fd, getprotobyname("TCP")->p_proto, TCP_KEEPINTVL, &interval, sizeof(interval));
|
|
|
|
connect(mSocket, SIGNAL(disconnected()),
|
|
this, SLOT(deleteLater()));
|
|
connect(mSocket, SIGNAL(readyRead()),
|
|
this, SLOT(dataReceived()));
|
|
}
|
|
|
|
bool LanDeviceLink::sendPackageEncrypted(QCA::PublicKey& key, NetworkPackage& np)
|
|
{
|
|
if (np.hasPayload()) {
|
|
UploadJob* job = new UploadJob(np.payload());
|
|
job->start();
|
|
np.setPayloadTransferInfo(job->getTransferInfo());
|
|
}
|
|
|
|
np.encrypt(key);
|
|
|
|
int written = mSocket->write(np.serialize());
|
|
return (written != -1);
|
|
}
|
|
|
|
bool LanDeviceLink::sendPackage(NetworkPackage& np)
|
|
{
|
|
if (np.hasPayload()) {
|
|
UploadJob* job = new UploadJob(np.payload());
|
|
job->start();
|
|
np.setPayloadTransferInfo(job->getTransferInfo());
|
|
}
|
|
|
|
int written = mSocket->write(np.serialize());
|
|
return (written != -1);
|
|
}
|
|
|
|
void LanDeviceLink::dataReceived()
|
|
{
|
|
//qDebug() << "LanDeviceLink dataReceived";
|
|
|
|
QByteArray data = mSocket->readAll();
|
|
QList<QByteArray> packages = data.split('\n');
|
|
Q_FOREACH(const QByteArray& package, packages) {
|
|
|
|
if (package.length() < 3) continue;
|
|
|
|
NetworkPackage np(QString::null);
|
|
NetworkPackage::unserialize(package, &np);
|
|
if (np.type() == PACKAGE_TYPE_ENCRYPTED) {
|
|
|
|
if (mPrivateKey.isNull()) {
|
|
//TODO: Emit the problem?
|
|
return;
|
|
}
|
|
|
|
NetworkPackage decrypted(QString::null);
|
|
np.decrypt(mPrivateKey, &decrypted);
|
|
|
|
if (np.hasPayloadTransferInfo()) {
|
|
DownloadJob* job = new DownloadJob(mSocket->peerAddress(), np.payloadTransferInfo());
|
|
job->start();
|
|
np.setPayload(job->getPayload());
|
|
}
|
|
|
|
Q_EMIT receivedPackage(decrypted);
|
|
|
|
} else {
|
|
|
|
Q_EMIT receivedPackage(np);
|
|
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
void LanDeviceLink::readyRead()
|
|
{
|
|
|
|
}
|