logiops/src/logid/DeviceManager.cpp

309 lines
9.4 KiB
C++

/*
* Copyright 2019-2020 PixlOne
*
* 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 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 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 <thread>
#include <sstream>
#include <utility>
#include "DeviceManager.h"
#include "Receiver.h"
#include "util/log.h"
#include "util/workqueue.h"
#include "backend/hidpp10/Error.h"
#include "backend/Error.h"
using namespace logid;
using namespace logid::backend;
namespace logid {
class _DeviceManager : public logid::DeviceManager
{
public:
template <typename... Args>
explicit _DeviceManager(Args... args) :
DeviceManager(std::forward<Args>(args)...) { }
};
}
DeviceManager::DeviceManager(std::shared_ptr<Configuration> config,
std::shared_ptr<InputDevice> virtual_input,
std::shared_ptr<ipcgull::server> server) :
backend::raw::DeviceMonitor(config->workerCount()),
_server (std::move(server)), _config (std::move(config)),
_virtual_input (std::move(virtual_input)),
_root_node (ipcgull::node::make_root("")),
_device_node (ipcgull::node::make_root("devices")),
_receiver_node (ipcgull::node::make_root("receivers"))
{
_ipc_devices = _root_node->make_interface<DevicesIPC>();
_ipc_receivers = _root_node->make_interface<ReceiversIPC>();
_device_node->add_server(_server);
_receiver_node->add_server(_server);
_root_node->add_server(_server);
}
std::shared_ptr<DeviceManager> DeviceManager::make(
const std::shared_ptr<Configuration>& config,
const std::shared_ptr<InputDevice>& virtual_input,
const std::shared_ptr<ipcgull::server>& server)
{
auto ret = std::make_shared<_DeviceManager>(config, virtual_input, server);
ret->_self = ret;
return ret;
}
std::shared_ptr<Configuration> DeviceManager::config() const
{
return _config;
}
std::shared_ptr<InputDevice> DeviceManager::virtualInput() const
{
return _virtual_input;
}
std::shared_ptr<const ipcgull::node> DeviceManager::devicesNode() const
{
return _device_node;
}
std::shared_ptr<const ipcgull::node> DeviceManager::receiversNode() const
{
return _receiver_node;
}
void DeviceManager::addDevice(std::string path)
{
bool defaultExists = true;
bool isReceiver = false;
// Check if device is ignored before continuing
{
raw::RawDevice raw_dev(path, config()->ioTimeout(), workQueue());
if(config()->isIgnored(raw_dev.productId())) {
logPrintf(DEBUG, "%s: Device 0x%04x ignored.",
path.c_str(), raw_dev.productId());
return;
}
}
try {
hidpp::Device device(path, hidpp::DefaultDevice,
config()->ioTimeout(), workQueue());
isReceiver = device.version() == std::make_tuple(1, 0);
} catch(hidpp10::Error &e) {
if(e.code() != hidpp10::Error::UnknownDevice)
throw;
} catch(hidpp::Device::InvalidDevice &e) { // Ignore
defaultExists = false;
} catch(std::system_error &e) {
logPrintf(WARN, "I/O error on %s: %s, skipping device.",
path.c_str(), e.what());
return;
} catch (TimeoutError &e) {
logPrintf(WARN, "Device %s timed out.", path.c_str());
defaultExists = false;
}
if(isReceiver) {
logPrintf(INFO, "Detected receiver at %s", path.c_str());
auto receiver = Receiver::make(path, _self.lock());
receiver->run();
_receivers.emplace(path, receiver);
_ipc_receivers->receiverAdded(receiver);
} else {
/* TODO: Can non-receivers only contain 1 device?
* If the device exists, it is guaranteed to be an HID++ 2.0 device */
if(defaultExists) {
auto device = Device::make(path, hidpp::DefaultDevice,
_self.lock());
_devices.emplace(path, device);
_ipc_devices->deviceAdded(device);
} else {
try {
auto device = Device::make(path,
hidpp::CordedDevice, _self.lock());
_devices.emplace(path, device);
_ipc_devices->deviceAdded(device);
} catch(hidpp10::Error &e) {
if(e.code() != hidpp10::Error::UnknownDevice)
throw;
else
logPrintf(WARN,
"HID++ 1.0 error while trying to initialize %s:"
"%s", path.c_str(), e.what());
} catch(hidpp::Device::InvalidDevice &e) { // Ignore
} catch(std::system_error &e) {
// This error should have been thrown previously
logPrintf(WARN, "I/O error on %s: %s", path.c_str(),
e.what());
}
}
}
}
void DeviceManager::addExternalDevice(const std::shared_ptr<Device> &d)
{
_ipc_devices->deviceAdded(d);
}
void DeviceManager::removeExternalDevice(const std::shared_ptr<Device> &d)
{
_ipc_devices->deviceRemoved(d);
}
void DeviceManager::removeDevice(std::string path)
{
auto receiver = _receivers.find(path);
if(receiver != _receivers.end()) {
_ipc_receivers->receiverRemoved(receiver->second);
_receivers.erase(receiver);
logPrintf(INFO, "Receiver on %s disconnected", path.c_str());
} else {
auto device = _devices.find(path);
if(device != _devices.end()) {
_ipc_devices->deviceRemoved(device->second);
_devices.erase(device);
logPrintf(INFO, "Device on %s disconnected", path.c_str());
}
}
}
DeviceManager::DevicesIPC::DevicesIPC() : ipcgull::interface(
"pizza.pixl.LogiOps.Devices",
{},
{},
{
{"deviceAdded",
ipcgull::make_signal<std::shared_ptr<Device>>(
{"device"})},
{"deviceRemoved",
ipcgull::make_signal<std::shared_ptr<Device>>(
{"device"})}
}
)
{
}
void DeviceManager::DevicesIPC::deviceAdded(
const std::shared_ptr<Device>& d) {
emit_signal("deviceAdded", d);
}
void DeviceManager::DevicesIPC::deviceRemoved(
const std::shared_ptr<Device>& d) {
emit_signal("deviceRemoved", d);
}
DeviceManager::ReceiversIPC::ReceiversIPC() : ipcgull::interface(
"pizza.pixl.LogiOps.Receivers",
{},
{},
{
{"receiverAdded",
ipcgull::make_signal<std::shared_ptr<Receiver>>(
{"device"})},
{"receiverRemoved",
ipcgull::make_signal<std::shared_ptr<Receiver>>(
{"device"})}
})
{
}
void DeviceManager::ReceiversIPC::receiverAdded(
const std::shared_ptr<Receiver>& r) {
emit_signal("receiverAdded", r);
}
void DeviceManager::ReceiversIPC::receiverRemoved(
const std::shared_ptr<Receiver>& r) {
emit_signal("receiverRemoved", r);
}
int DeviceManager::newDeviceNickname()
{
std::lock_guard<std::mutex> lock(_nick_lock);
auto begin = _device_nicknames.begin();
if(begin != _device_nicknames.end()) {
if(*begin != 0) {
_device_nicknames.insert(0);
return 0;
}
}
const auto i = std::adjacent_find(_device_nicknames.begin(),
_device_nicknames.end(),
[](int l, int r) { return l + 1 < r; });
if(i == _device_nicknames.end()) {
auto end = _device_nicknames.rbegin();
if(end != _device_nicknames.rend()) {
auto ret = *end + 1;
assert(ret > 0);
_device_nicknames.insert(ret);
return ret;
} else {
_device_nicknames.insert(0);
return 0;
}
}
auto ret = *i + 1;
assert(ret > 0);
_device_nicknames.insert(ret);
return ret;
}
int DeviceManager::newReceiverNickname()
{
std::lock_guard<std::mutex> lock(_nick_lock);
auto begin = _receiver_nicknames.begin();
if(begin != _receiver_nicknames.end()) {
if(*begin != 0) {
_receiver_nicknames.insert(0);
return 0;
}
}
const auto i = std::adjacent_find(_receiver_nicknames.begin(),
_receiver_nicknames.end(),
[](int l, int r) { return l + 1 < r; });
if(i == _receiver_nicknames.end()) {
auto end = _receiver_nicknames.rbegin();
if(end != _receiver_nicknames.rend()) {
auto ret = *end + 1;
assert(ret > 0);
_receiver_nicknames.insert(ret);
return ret;
} else {
_receiver_nicknames.insert(0);
return 0;
}
}
auto ret = *i + 1;
assert(ret > 0);
_receiver_nicknames.insert(ret);
return ret;
}