Added connected to device.

Author: shajen

sources/radio/help_structures.h

@@ -52,6 +52,7 @@ struct Gain {
 NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE_WITH_DEFAULT(Gain, name, value, min, max, step)
 
 struct Device {
+  bool connected = false;
   bool enabled{};
   std::vector<Gain> gains{};
   std::string serial{};
@@ -65,4 +66,4 @@ struct Device {
 
   std::string getName() const { return driver + "_" + serial; }
 };
-NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE_WITH_DEFAULT(Device, enabled, gains, serial, driver, sample_rate, ranges, start_recording_level, stop_recording_level, satellites, sample_rates)
+NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE_WITH_DEFAULT(Device, connected, enabled, gains, serial, driver, sample_rate, ranges, start_recording_level, stop_recording_level, satellites, sample_rates)

sources/radio/sdr_device_reader.cpp

@@ -43,6 +43,7 @@ void SdrDeviceReader::updateDevice(Device& device, const SoapySDR::Kwargs args)
     throw std::runtime_error("open device failed");
   }
 
+  device.connected = true;
   device.driver = driver;
   device.sample_rates = getSampleRates(sdr);
   device.gains = getGains(sdr);
@@ -61,6 +62,7 @@ Device SdrDeviceReader::createDevice(const SoapySDR::Kwargs args) {
   }
 
   Device device;
+  device.connected = true;
   device.driver = driver;
   device.serial = serial;
   device.enabled = true;
@@ -112,6 +114,7 @@ void SdrDeviceReader::updateDevices(std::vector<Device>& devices) {
 
 void SdrDeviceReader::clearDevices(nlohmann::json& json) {
   for (auto& device : json.at("devices")) {
+    device.erase("connected");
     device.erase("driver");
     device.erase("sample_rates");