Add ChangeHost hidpp20 feature
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@ -55,6 +55,7 @@ add_executable(logid
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backend/hidpp20/features/SmartShift.cpp
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backend/hidpp20/features/ReprogControls.cpp
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backend/hidpp20/features/HiresScroll.cpp
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backend/hidpp20/features/ChangeHost.cpp
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backend/dj/Report.cpp
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util/mutex_queue.h
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util/workqueue.cpp
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@ -189,6 +189,22 @@ Report Device::sendReport(Report& report)
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return response;
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}
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void Device::sendReportNoResponse(Report &report)
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{
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switch(report.type())
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{
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case Report::Type::Short:
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if(!(_supported_reports & HIDPP_REPORT_SHORT_SUPPORTED))
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report.setType(Report::Type::Long);
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break;
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case Report::Type::Long:
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/* Report can be truncated, but that isn't a good idea. */
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assert(_supported_reports & HIDPP_REPORT_LONG_SUPPORTED);
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}
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_raw_device->sendReportNoResponse(report.rawReport());
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}
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std::string Device::name() const
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{
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return _name;
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@ -85,6 +85,7 @@ namespace hidpp
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eventHandlers();
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Report sendReport(Report& report);
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void sendReportNoResponse(Report& report);
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void handleEvent(Report& report);
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private:
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@ -55,3 +55,23 @@ std::vector<uint8_t> Device::callFunction(uint8_t feature_index,
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auto response = this->sendReport(request);
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return std::vector<uint8_t>(response.paramBegin(), response.paramEnd());
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}
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void Device::callFunctionNoResponse(uint8_t feature_index, uint8_t function,
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std::vector<uint8_t> ¶ms)
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{
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hidpp::Report::Type type;
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assert(params.size() <= hidpp::LongParamLength);
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if(params.size() <= hidpp::ShortParamLength)
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type = hidpp::Report::Type::Short;
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else if(params.size() <= hidpp::LongParamLength)
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type = hidpp::Report::Type::Long;
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else
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throw hidpp::Report::InvalidReportID();
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hidpp::Report request(type, deviceIndex(), feature_index, function,
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LOGID_HIDPP_SOFTWARE_ID);
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std::copy(params.begin(), params.end(), request.paramBegin());
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this->sendReportNoResponse(request);
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}
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@ -34,6 +34,10 @@ namespace hidpp20 {
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std::vector<uint8_t> callFunction(uint8_t feature_index,
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uint8_t function,
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std::vector<uint8_t>& params);
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void callFunctionNoResponse(uint8_t feature_index,
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uint8_t function,
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std::vector<uint8_t>& params);
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};
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}}}
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@ -33,11 +33,18 @@ uint16_t UnsupportedFeature::code() const noexcept
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return _f_id;
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}
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std::vector<uint8_t> Feature::callFunction(uint8_t function_id, std::vector<uint8_t>& params)
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std::vector<uint8_t> Feature::callFunction(uint8_t function_id,
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std::vector<uint8_t>& params)
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{
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return _device->callFunction(_index, function_id, params);
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}
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void Feature::callFunctionNoResponse(uint8_t function_id,
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std::vector<uint8_t>& params)
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{
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_device->callFunctionNoResponse(_index, function_id, params);
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}
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Feature::Feature(Device* dev, uint16_t _id) : _device (dev)
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{
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_index = hidpp20::FeatureID::ROOT;
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@ -45,6 +45,8 @@ namespace hidpp20 {
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explicit Feature(Device* dev, uint16_t _id);
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std::vector<uint8_t> callFunction(uint8_t function_id,
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std::vector<uint8_t>& params);
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void callFunctionNoResponse(uint8_t function_id,
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std::vector<uint8_t>& params);
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private:
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Device* _device;
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uint8_t _index;
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78
src/logid/backend/hidpp20/features/ChangeHost.cpp
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78
src/logid/backend/hidpp20/features/ChangeHost.cpp
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@ -0,0 +1,78 @@
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/*
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* Copyright 2019-2020 PixlOne
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*
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* This program 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 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "ChangeHost.h"
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#include "../Error.h"
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using namespace logid::backend::hidpp20;
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ChangeHost::ChangeHost(Device *dev) : Feature(dev, ID), _host_count (0)
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{
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}
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ChangeHost::HostInfo ChangeHost::getHostInfo()
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{
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std::vector<uint8_t> params(0);
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auto response = callFunction(GetHostInfo, params);
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HostInfo info{};
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info.hostCount = response[0];
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info.currentHost = response[1];
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info.enhancedHostSwitch = response[2] & 1;
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if(!_host_count)
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_host_count = info.hostCount;
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return info;
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}
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void ChangeHost::setHost(uint8_t host)
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{
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/* Expect connection to be severed here, send without response
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*
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* Since there is no response, we have to emulate any kind of
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* error that may be returned (i.e. InvalidArgument as per the docs)
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*/
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if(!_host_count)
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getHostInfo();
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if(host >= _host_count)
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throw hidpp20::Error(hidpp20::Error::InvalidArgument);
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std::vector<uint8_t> params = {host};
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callFunctionNoResponse(SetCurrentHost, params);
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}
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std::vector<uint8_t> ChangeHost::getCookies()
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{
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if(!_host_count)
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getHostInfo();
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std::vector<uint8_t> params(0);
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auto response = callFunction(GetCookies, params);
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response.resize(_host_count);
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return response;
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}
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void ChangeHost::setCookie(uint8_t host, uint8_t cookie)
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{
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std::vector<uint8_t> params = {host, cookie};
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callFunction(SetCookie, params);
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}
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61
src/logid/backend/hidpp20/features/ChangeHost.h
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61
src/logid/backend/hidpp20/features/ChangeHost.h
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@ -0,0 +1,61 @@
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/*
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* Copyright 2019-2020 PixlOne
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*
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* This program 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 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef LOGID_BACKEND_HIDPP20_FEATURE_CHANGEHOST_H
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#define LOGID_BACKEND_HIDPP20_FEATURE_CHANGEHOST_H
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#include "../feature_defs.h"
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#include "../Feature.h"
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namespace logid {
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namespace backend {
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namespace hidpp20
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{
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class ChangeHost : public Feature
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{
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public:
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static const uint16_t ID = FeatureID::CHANGE_HOST;
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virtual uint16_t getID() { return ID; }
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ChangeHost(Device* dev);
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enum Function {
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GetHostInfo = 0,
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SetCurrentHost = 1,
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GetCookies = 2,
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SetCookie = 3
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};
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struct HostInfo
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{
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uint8_t hostCount;
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uint8_t currentHost;
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bool enhancedHostSwitch;
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};
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HostInfo getHostInfo();
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void setHost(uint8_t host);
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std::vector<uint8_t> getCookies();
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void setCookie(uint8_t host, uint8_t cookie);
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private:
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uint8_t _host_count;
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};
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}}}
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#endif //LOGID_BACKEND_HIDPP20_FEATURE_CHANGEHOST_H
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