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#include <QDebug>
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#include "devicemanage.h"
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#include "server.h"
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#define DM_MAX_DEVICES_NUM 16
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DeviceManage::DeviceManage(QObject *parent) : QObject(parent)
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{
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}
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DeviceManage::~DeviceManage()
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{
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}
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bool DeviceManage::connectDevice(Device::DeviceParams params)
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{
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if (params.serial.trimmed().isEmpty()) {
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return false;
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}
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if (m_devices.contains(params.serial)) {
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return false;
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}
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if (DM_MAX_DEVICES_NUM < m_devices.size()) {
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qInfo("over the maximum number of connections");
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return false;
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}
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/*
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// 没有必要分配端口，都用27183即可，连接建立以后server会释放监听的
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quint16 port = 0;
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if (params.useReverse) {
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port = getFreePort();
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if (0 == port) {
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qInfo("no port available, automatically switch to forward");
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params.useReverse = false;
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} else {
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params.localPort = port;
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qInfo("free port %d", port);
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}
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}
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*/
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Device *device = new Device(params);
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connect(device, &Device::deviceDisconnect, this, &DeviceManage::onDeviceDisconnect);
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m_devices[params.serial] = device;
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return true;
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}
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bool DeviceManage::disconnectDevice(const QString &serial)
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{
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bool ret = false;
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if (!serial.isEmpty() && m_devices.contains(serial)) {
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auto it = m_devices.find(serial);
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if (it->data()) {
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delete it->data();
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ret = true;
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}
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}
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return ret;
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}
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void DeviceManage::disconnectAllDevice()
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{
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QMapIterator<QString, QPointer<Device>> i(m_devices);
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while (i.hasNext()) {
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i.next();
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if (i.value()) {
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delete i.value();
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}
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}
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}
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void DeviceManage::onDeviceDisconnect(QString serial)
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{
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if (!serial.isEmpty() && m_devices.contains(serial)) {
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m_devices.remove(serial);
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}
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}
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quint16 DeviceManage::getFreePort()
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{
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quint16 port = m_localPortStart;
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while (port < m_localPortStart + DM_MAX_DEVICES_NUM) {
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bool used = false;
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QMapIterator<QString, QPointer<Device>> i(m_devices);
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while (i.hasNext()) {
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i.next();
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auto device = i.value();
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if (device && device->getServer()
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&& device->getServer()->isReverse()
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&& port == device->getServer()->getParams().localPort) {
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used = true;
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break;
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}
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}
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if (!used) {
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return port;
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}
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port++;
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}
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return 0;
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}
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