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Split Configuration into several classes

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Each feature should handle its own configuration.
This commit is contained in:
pixl 2020-07-02 00:38:40 -04:00
parent 181be50f88
commit f6b93b94af
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GPG Key ID: 1866C148CD593B6E
9 changed files with 154 additions and 519 deletions
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1
src/logid/CMakeLists.txt
View File

@ -14,6 +14,7 @@ add_executable(logid
DeviceManager.cpp
Device.cpp
Receiver.cpp
Configuration.cpp
backend/Error.cpp
backend/raw/DeviceMonitor.cpp
backend/raw/RawDevice.cpp

520
src/logid/Configuration.cpp
View File

@ -16,521 +16,79 @@
*
*/
#include <cstdint>
#include <utility>
#include <vector>
#include <map>
#include <linux/input-event-codes.h>
#include <libevdev/libevdev.h>
#include <algorithm>
#include <cstring>
#include <string>
#include <hidpp20/IHiresScroll.h>
#include "Configuration.h"
#include "util.h"
#include "util/log.h"
using namespace logid;
using namespace libconfig;
Configuration::Configuration(const char *config_file)
Configuration::Configuration(const std::string& config_file)
{
//Read config file
try
{
cfg.readFile(config_file);
}
catch(const FileIOException &e)
{
log_printf(ERROR, "I/O Error while reading %s: %s", config_file, e.what());
try {
_config.readFile(config_file.c_str());
} catch(const FileIOException &e) {
logPrintf(ERROR, "I/O Error while reading %s: %s", config_file.c_str(),
e.what());
throw e;
} catch(const ParseException &e) {
logPrintf(ERROR, "Parse error in %s, line %d: %s", e.getFile(),
e.getLine(), e.getError());
throw e;
}
catch(const ParseException &e)
{
log_printf(ERROR, "Parse error in %s, line %d: %s", e.getFile(), e.getLine(), e.getError());
throw e;
}
const Setting &root = cfg.getRoot();
try
{
auto& _blacklist = root.lookup("blacklist");
if(_blacklist.isArray() || _blacklist.isList())
{
int len = _blacklist.getLength();
for(int i = 0; i < len; i++)
{
if(!_blacklist[i].isNumber()) {
log_printf(WARN, "Line %d: blacklist must only contain "
"PIDs", _blacklist[i].getSourceLine());
if(_blacklist.isArray())
break;
if(_blacklist.isList())
continue;
}
blacklist.push_back((int)_blacklist[i]);
}
}
else
{
log_printf(WARN, "Line %d: blacklist must be an array or list, "
"ignnoring.", _blacklist.getSourceLine());
}
}
const Setting &root = _config.getRoot();
Setting* devices;
try { devices = &root["devices"]; }
catch(const SettingNotFoundException &e)
{
}
Setting* _devices;
try { _devices = &root["devices"]; }
catch(const SettingNotFoundException &e)
{
log_printf(WARN, "No devices listed in config file.");
logPrintf(WARN, "No devices listed in config file.");
return;
}
for(int i = 0; i < _devices->getLength(); i++)
for(int i = 0; i < devices->getLength(); i++)
{
const Setting &device = (*_devices)[i];
const Setting &device = (*devices)[i];
std::string name;
try
{
if(!device.lookupValue("name", name))
{
log_printf(WARN, "Line %d: 'name' must be a string, skipping device.", device["name"].getSourceLine());
try {
if(!device.lookupValue("name", name)) {
logPrintf(WARN, "Line %d: 'name' must be a string, skipping "
"device.", device["name"].getSourceLine());
continue;
}
}
catch(SettingNotFoundException &e)
{
log_printf(WARN, "Line %d: Missing 'name' field, skipping device.", device.getSourceLine());
} catch(SettingNotFoundException &e) {
logPrintf(WARN, "Line %d: Missing 'name' field, skipping device."
, device.getSourceLine());
continue;
}
devices.insert({name, new DeviceConfig(device)});
_device_paths.insert({name, device.getPath()});
}
}
DeviceConfig::DeviceConfig(const libconfig::Setting &root)
libconfig::Setting& Configuration::getSetting(std::string path)
{
try
{
int d;
if(!root.lookupValue("dpi", d))
throw SettingTypeException(root["dpi"]);
dpi = new int(d);
}
catch(const SettingNotFoundException &e) { }
catch(const SettingTypeException &e)
{
log_printf(WARN, "Line %d: DPI must me an integer; not setting.", root["dpi"].getSourceLine());
}
try
{
const Setting& hr = root["hiresscroll"];
uint8_t hss = 0;
try
{
bool b;
if(!hr.lookupValue("hires", b))
throw SettingTypeException(root["hires"]);
if(b) hss |= HIDPP20::IHiresScroll::HiRes;
}
catch(SettingNotFoundException &e) { }
catch(SettingTypeException &e)
{
log_printf(INFO, "Line %d: hires field must be a boolean", hr["hires"].getSourceLine());
}
try
{
bool b;
if(!hr.lookupValue("invert", b))
throw SettingTypeException(root["invert"]);
if(b) hss |= HIDPP20::IHiresScroll::Inverted;
}
catch(SettingNotFoundException &e) { }
catch(SettingTypeException &e)
{
log_printf(INFO, "Line %d: invert field must be a boolean", hr["invert"].getSourceLine());
}
try
{
bool b;
if(!hr.lookupValue("target", b))
throw SettingTypeException(root["target"]);
if(b) hss |= HIDPP20::IHiresScroll::Target;
}
catch(SettingNotFoundException &e) { }
catch(SettingTypeException &e)
{
log_printf(INFO, "Line %d: target field must be a boolean", hr["target"].getSourceLine());
}
hiresscroll = new uint8_t(hss);
}
catch(const SettingNotFoundException &e)
{
log_printf(INFO, "Missing hiresscroll option, not setting.");
}
catch(const SettingTypeException &e)
{
log_printf(WARN, "Line %d: hiresscroll should be an object", root["hiresscroll"].getSourceLine());
}
try
{
const Setting& ss = root["smartshift"];
smartshift = new HIDPP20::ISmartShift::SmartshiftStatus {};
bool on;
int threshold;
try
{
if (ss.lookupValue("on", on)) smartshift->Active = new bool(on);
else log_printf(WARN, "Line %d: on field must be a boolean", ss["on"].getSourceLine());
}
catch(const SettingNotFoundException &e) { }
try
{
if (ss.lookupValue("threshold", threshold))
{
if(threshold < 0)
{
threshold = 1;
log_printf(INFO, "Smartshift threshold must be > 0 or < 100, setting to 1.");
}
if(threshold >= 100)
{
threshold = 99;
log_printf(INFO, "Smartshift threshold must be > 0 or < 100, setting to 99.");
}
smartshift->AutoDisengage = new uint8_t(threshold);
smartshift->DefaultAutoDisengage = new uint8_t(threshold);
}
else log_printf(WARN, "Line %d: threshold must be an integer", ss["threshold"].getSourceLine());
}
catch(const SettingNotFoundException &e) { }
}
catch(const SettingNotFoundException &e) { }
catch(const SettingTypeException &e)
{
log_printf(WARN, "Line %d: smartshift field must be an object", root["smartshift"].getSourceLine());
}
Setting* buttons;
try
{
buttons = &root["buttons"];
}
catch(const SettingNotFoundException &e)
{
log_printf(WARN, "No button configuration found, reverting to null config.");
new std::map<uint16_t, ButtonAction*>();
return;
}
for(int i = 0; i < buttons->getLength(); i++)
{
const Setting &button = (*buttons)[i];
int cid;
try { button.lookupValue("cid", cid); }
catch(SettingNotFoundException &e)
{
log_printf(WARN, "Entry on line %d is missing a cid", button.getSourceLine());
continue;
}
if(actions.find(cid) != actions.end())
{
log_printf(WARN, "Duplicate entries for cid 0x%x, skipping entry on line %d", cid, button.getSourceLine());
continue;
}
Setting* action_config;
try { action_config = &button["action"]; }
catch(SettingNotFoundException &e)
{
log_printf(WARN, "cid 0x%x is missing an action, not diverting!", cid);
continue;
}
Action action_type;
try
{
std::string action_type_str;
action_config->lookupValue("type", action_type_str);
action_type = stringToAction(action_type_str);
}
catch(SettingNotFoundException &e)
{
log_printf(WARN, "cid 0x%x is missing an action type, not diverting!", cid);
continue;
}
catch(std::invalid_argument &e)
{
log_printf(WARN, "Line %d: %s", (*action_config)["type"].getSourceLine(), e.what());
continue;
}
try { actions.insert({cid, parse_action(action_type, action_config)}); }
catch(std::exception &e) { log_printf(ERROR, "%s", e.what()); }
}
return _config.lookup(path);
}
ButtonAction* logid::parse_action(Action type, const Setting* action_config, bool is_gesture)
std::string Configuration::getDevice(std::string name)
{
if(type == Action::None) return new NoAction();
if(type == Action::Keypress)
{
std::vector<unsigned int> keys;
try
{
const Setting &keys_config = (*action_config)["keys"];
for (int i = 0; i < keys_config.getLength(); i++)
{
int keycode = libevdev_event_code_from_name(EV_KEY, keys_config[i]);
if(keycode == -1)
{
const char* keyname = keys_config[i];
log_printf(WARN, "%s is not a valid keycode, skipping", keyname);
}
else keys.push_back(keycode);
}
}
catch(SettingNotFoundException &e)
{
log_printf(WARN, "Expected keys parameter on line %d", action_config->getSourceLine());
}
return new KeyAction(keys);
}
else if(type == Action::Gestures)
{
if(is_gesture)
{
log_printf(WARN, "Line %d: Recursive gesture, defaulting to no action.", action_config->getSourceLine());
return new NoAction();
}
std::map<Direction, Gesture*> gestures;
Setting* gestures_config;
try { gestures_config = &(*action_config)["gestures"]; }
catch(SettingNotFoundException &e)
{
log_printf(WARN, "No gestures parameter for line %d, skipping", action_config->getSourceLine());
throw e;
}
for(int i = 0; i < gestures_config->getLength(); i++)
{
const Setting &gesture_config = (*gestures_config)[i];
std::string direction_str;
Direction direction;
try
{
gesture_config.lookupValue("direction", direction_str);
direction = stringToDirection(direction_str);
}
catch(SettingNotFoundException &e)
{
log_printf(WARN, "No direction set on line %d", gesture_config.getSourceLine());
continue;
}
catch(std::invalid_argument &e)
{
log_printf(WARN, "Line %d: %s", gesture_config["direction"].getSourceLine(), e.what());
continue;
}
if(gestures.find(direction) != gestures.end())
{
log_printf(WARN, "Entry on line %d is a duplicate, skipping...", gesture_config["direction"].getSourceLine());
continue;
}
GestureMode mode;
try
{
std::string mode_str;
gesture_config.lookupValue("mode", mode_str);
mode = stringToGestureMode(mode_str);
}
catch (SettingNotFoundException &e)
{
log_printf(INFO, "Gesture mode on line %d not found, defaulting to OnRelease", gesture_config.getSourceLine());
mode = GestureMode::OnRelease;
}
if(mode == GestureMode::NoPress)
{
gestures.insert({direction, new Gesture(new NoAction(), mode)});
continue;
}
if(mode == GestureMode::Axis)
{
Gesture::axis_info axis;
try
{
std::string axis_str;
if(!gesture_config.lookupValue("axis", axis_str))
throw SettingTypeException(gesture_config["axis"]);
axis.code = libevdev_event_code_from_name(EV_REL, axis_str.c_str());
}
catch(SettingNotFoundException &e)
{
log_printf(WARN, "Line %d: No axis found, defaulting to no action.", gesture_config.getSourceLine());
gestures.insert({direction, new Gesture(new NoAction(), GestureMode::NoPress)});
continue;
}
catch(SettingTypeException &e)
{
log_printf(WARN, "Line %d: Axis must be a string (e.g. 'REL_WHEEL')", gesture_config["axis"].getSourceLine());
gestures.insert({direction, new Gesture(new NoAction(), GestureMode::NoPress)});
continue;
}
axis.multiplier = 1;
try
{
if(!gesture_config.lookupValue("axis_multiplier", axis.multiplier))
{
int im = 1;
if(!gesture_config.lookupValue("axis_multiplier", im))
throw SettingTypeException(gesture_config["axis_multiplier"]);
axis.multiplier = (float)im;
}
}
catch(SettingNotFoundException &e) { }
catch(SettingTypeException &e)
{
log_printf(WARN, "Line %d: axis_multiplier must be a float/integer", gesture_config["axis_multiplier"].getSourceLine());
continue;
}
gestures.insert({direction, new Gesture(new NoAction(), GestureMode::Axis, &axis)});
continue;
}
Setting* g_action;
try { g_action = &gesture_config["action"]; }
catch(SettingNotFoundException &e)
{
log_printf(WARN, "No action set for %s", direction_str.c_str());
continue;
}
Action g_type;
try
{
std::string type_str;
g_action->lookupValue("type", type_str);
g_type = stringToAction(type_str);
}
catch(SettingNotFoundException &e)
{
log_printf(INFO, "Missing an action type on line %d, skipping", g_action->getSourceLine());
continue;
}
catch(std::invalid_argument &e)
{
log_printf(WARN, "Line %d: %s", (*g_action)["type"].getSourceLine(), e.what());
continue;
}
ButtonAction* ba;
try { ba = parse_action(g_type, g_action, true); }
catch(std::exception &e) { continue; }
if(mode == GestureMode::OnFewPixels)
{
try
{
int pp;
if(!gesture_config.lookupValue("pixels", pp))
throw SettingTypeException(gesture_config["pixels"]);
gestures.insert({direction, new Gesture(ba, mode, &pp)});
}
catch(SettingNotFoundException &e)
{
log_printf(WARN, "Line %d: OnFewPixels requires a 'pixels' field.", gesture_config.getSourceLine());
}
catch(SettingTypeException &e)
{
log_printf(WARN, "Line %d: pixels must be an integer", gesture_config["pixels"].getSourceLine());
continue;
}
}
else gestures.insert({direction, new Gesture(ba, mode)});
}
return new GestureAction(gestures);
}
else if(type == Action::ToggleSmartshift) return new SmartshiftAction();
else if(type == Action::ToggleHiresScroll) return new HiresScrollAction();
else if(type == Action::CycleDPI)
{
std::vector<int> dpis;
try
{
const Setting &keys_config = (*action_config)["dpis"];
for (int i = 0; i < keys_config.getLength(); i++)
{
dpis.push_back((int)keys_config[i]);
}
}
catch(SettingNotFoundException &e)
{
log_printf(ERROR, "Line %d: CycleDPI action is missing 'dpis' field, defaulting to NoAction.", action_config->getSourceLine());
}
return new CycleDPIAction(dpis);
}
else if(type == Action::ChangeDPI)
{
int inc;
try
{
action_config->lookupValue("inc", inc);
}
catch(SettingNotFoundException &e)
{
log_printf(ERROR, "Line %d: ChangeDPI action is missing an 'inc' field, defaulting to NoAction.",action_config->getSourceLine());
return new NoAction();
}
return new ChangeDPIAction(inc);
}
log_printf(ERROR, "This shouldn't have happened. Unhandled action type? Defaulting to NoAction");
return new NoAction();
auto it = _device_paths.find(name);
if(it == _device_paths.end())
throw DeviceNotFound(name);
else
return it->second;
}
DeviceConfig::DeviceConfig(DeviceConfig* dc, Device* dev) : baseConfig (false)
Configuration::DeviceNotFound::DeviceNotFound(std::string name) :
_name (std::move(name))
{
dpi = dc->dpi;
smartshift = dc->smartshift;
hiresscroll = dc->hiresscroll;
for(auto it : dc->actions)
actions.insert( { it.first, it.second->copy(dev) } );
}
DeviceConfig::DeviceConfig()
const char * Configuration::DeviceNotFound::what()
{
dpi = nullptr;
hiresscroll = nullptr;
smartshift = nullptr;
actions = {};
}
DeviceConfig::~DeviceConfig()
{
for(auto it : this->actions)
delete(it.second);
return _name.c_str();
}

45
src/logid/Configuration.h
View File

@ -21,43 +21,32 @@
#include <map>
#include <libconfig.h++>
#include <hidpp20/ISmartShift.h>
#include "Actions.h"
#include <memory>
namespace logid
{
class DeviceConfig;
class ButtonAction;
enum class Action;
class DeviceConfig
{
public:
DeviceConfig();
~DeviceConfig();
DeviceConfig(DeviceConfig* dc, Device* dev);
DeviceConfig(const libconfig::Setting& root);
const int* dpi = nullptr;
HIDPP20::ISmartShift::SmartshiftStatus* smartshift = nullptr;
const uint8_t* hiresscroll = nullptr;
std::map<uint16_t, ButtonAction*> actions;
const bool baseConfig = true;
};
class Configuration
{
public:
Configuration(const char* config_file);
Configuration() {}
std::map<std::string, DeviceConfig*> devices;
std::vector<uint16_t> blacklist;
explicit Configuration(const std::string& config_file);
Configuration() = default;
libconfig::Setting& getSetting(std::string path);
std::string getDevice(std::string name);
class DeviceNotFound : public std::exception
{
public:
explicit DeviceNotFound(std::string name);
virtual const char* what();
private:
std::string _name;
};
private:
libconfig::Config cfg;
std::map<std::string, std::string> _device_paths;
libconfig::Config _config;
};
ButtonAction* parse_action(Action action, const libconfig::Setting* action_config, bool is_gesture=false);
extern Configuration* global_config;
extern std::shared_ptr<Configuration> global_config;
}
#endif //LOGID_CONFIGURATION_H

41
src/logid/Device.cpp
View File

@ -23,16 +23,28 @@ using namespace logid;
using namespace logid::backend;
Device::Device(std::string path, backend::hidpp::DeviceIndex index) :
_hidpp20 (path, index), _path (std::move(path)), _index (index)
_hidpp20 (path, index), _path (std::move(path)), _index (index),
_config (global_config, this)
{
logPrintf(DEBUG, "logid::Device created on %s:%d", _path.c_str(), _index);
///TODO: Initialize features
}
Device::Device(const std::shared_ptr<backend::raw::RawDevice>& raw_device,
hidpp::DeviceIndex index) : _hidpp20(raw_device, index), _path
(raw_device->hidrawPath()), _index (index)
(raw_device->hidrawPath()), _index (index),
_config (global_config, this)
{
logPrintf(DEBUG, "logid::Device created on %s:%d", _path.c_str(), _index);
///TODO: Initialize features
}
std::string Device::name()
{
return _hidpp20.name();
}
uint16_t Device::pid()
{
return _hidpp20.pid();
}
void Device::sleep()
@ -44,3 +56,24 @@ void Device::wakeup()
{
logPrintf(INFO, "%s:%d woke up.", _path.c_str(), _index);
}
DeviceConfig& Device::config()
{
return _config;
}
DeviceConfig::DeviceConfig(std::shared_ptr<Configuration> config, Device*
device) : _device (device), _config (config)
{
try {
_root_setting = config->getDevice(device->name());
} catch(Configuration::DeviceNotFound& e) {
logPrintf(INFO, "Device %s not configured, using default config.",
device->name().c_str());
}
}
std::string DeviceConfig::getSetting(std::string path)
{
return _root_setting + '/' + path;
}

21
src/logid/Device.h
View File

@ -22,9 +22,23 @@
#include "backend/hidpp/defs.h"
#include "backend/hidpp20/Device.h"
#include "features/DeviceFeature.h"
#include "Configuration.h"
namespace logid
{
class Device;
class DeviceConfig
{
public:
DeviceConfig(std::shared_ptr<Configuration> config, Device* device);
std::string getSetting(std::string path);
private:
Device* _device;
std::string _root_setting;
std::shared_ptr<Configuration> _config;
};
/* TODO: Implement HID++ 1.0 support
* Currently, the logid::Device class has a hardcoded requirement
* for an HID++ 2.0 device.
@ -35,6 +49,12 @@ namespace logid
Device(std::string path, backend::hidpp::DeviceIndex index);
Device(const std::shared_ptr<backend::raw::RawDevice>& raw_device,
backend::hidpp::DeviceIndex index);
std::string name();
uint16_t pid();
DeviceConfig& config();
void wakeup();
void sleep();
private:
@ -42,6 +62,7 @@ namespace logid
std::string _path;
backend::hidpp::DeviceIndex _index;
std::vector<std::shared_ptr<features::DeviceFeature>> _features;
DeviceConfig _config;
};
}

10
src/logid/backend/hidpp/Device.cpp
View File

@ -180,6 +180,16 @@ Report Device::sendReport(Report& report)
return response;
}
std::string Device::name() const
{
return _name;
}
uint16_t Device::pid() const
{
return _pid;
}
void Device::listen()
{
if(!_raw_device->isListening())

3
src/logid/backend/hidpp/Device.h
View File

@ -72,6 +72,9 @@ namespace hidpp
DeviceIndex deviceIndex() const;
std::tuple<uint8_t, uint8_t> version() const;
std::string name() const;
uint16_t pid() const;
void listen(); // Runs asynchronously
void stopListening();

17
src/logid/features/DeviceFeature.h
View File

@ -20,13 +20,30 @@
#define LOGID_FEATURES_DEVICEFEATURE_H
namespace logid {
class Device;
namespace features
{
class DeviceFeature
{
public:
explicit DeviceFeature(Device* dev) : _device (dev)
{
}
virtual void configure() = 0;
virtual void listen() = 0;
class Config
{
public:
explicit Config(Device* dev) : _device (dev)
{
}
protected:
virtual const std::string configPath() = 0;
Device* _device;
std::string root_setting;
};
private:
Device* _device;
};
}}

13
src/logid/logid.cpp
View File

@ -38,7 +38,7 @@ using namespace logid;
std::string config_file = DEFAULT_CONFIG_FILE;
LogLevel logid::global_loglevel = INFO;
// Configuration* logid::global_config;
std::shared_ptr<Configuration> logid::global_config;
std::unique_ptr<DeviceManager> logid::device_manager;
bool logid::kill_logid = false;
@ -155,12 +155,15 @@ int main(int argc, char** argv)
{
readCliOptions(argc, argv);
/*
// Read config
try { global_config = new Configuration(config_file.c_str()); }
catch (std::exception &e) { global_config = new Configuration(); }
try {
global_config = std::make_shared<Configuration>(config_file);
}
catch (std::exception &e) {
global_config = std::make_shared<Configuration>();
}
/*
//Create an evdev device called 'logid'
try { global_evdev = new EvdevDevice(evdev_name); }
catch(std::system_error& e)