/
config.rs
147 lines (137 loc) · 5.61 KB
/
config.rs
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use super::super::config::{Channel, Concentrator, Configuration};
pub fn update_configuration(
config: &mut Configuration,
new_config: &chirpstack_api::gw::GatewayConfiguration,
) -> Result<(), String> {
info!("Updating concentrator configuration");
// empty concentrator config
let mut concentrator = Concentrator::default();
if new_config.channels.len() > concentrator.channels.len() {
return Err("configuration exceeds max number of channels".to_string());
}
for (i, channel) in new_config.channels.iter().enumerate() {
match &channel.modulation_config {
Some(
chirpstack_api::gw::channel_configuration::ModulationConfig::LoraModulationConfig(
v,
),
) => {
if v.spreading_factors.len() != 1 {
return Err(
"spreading_factors must contain a single spreading-factor".to_string()
);
}
concentrator.channels[i] = Channel {
frequency: channel.frequency,
bandwidth: v.bandwidth,
spreading_factor: v.spreading_factors[0],
rssi_offset: 0.0,
};
}
_ => {
return Err("channel modulation must be LORA".to_string());
}
}
}
// set config
config.gateway.config_version = new_config.version.clone();
config.gateway.concentrator = concentrator;
return Ok(());
}
#[cfg(test)]
mod tests {
use super::super::super::config::Channel;
use super::{update_configuration, Concentrator, Configuration};
#[test]
fn test_update_configuration() {
let tests = vec![(
"Single channel",
chirpstack_api::gw::GatewayConfiguration {
channels: vec![
chirpstack_api::gw::ChannelConfiguration{
frequency: 2403000000,
modulation_config: Some(chirpstack_api::gw::channel_configuration::ModulationConfig::LoraModulationConfig(chirpstack_api::gw::LoraModulationConfig{
bandwidth: 812000,
spreading_factors: vec![12],
..Default::default()
})),
..Default::default()
},
],
..Default::default()
},
Concentrator {
channels: [Channel {
frequency: 2403000000,
bandwidth: 812000,
spreading_factor: 12,
rssi_offset: 0.0,
},
Channel { ..Default::default() },
Channel { ..Default::default() },
],
},
), (
"Three channels",
chirpstack_api::gw::GatewayConfiguration {
channels: vec![
chirpstack_api::gw::ChannelConfiguration{
frequency: 2403000000,
modulation_config: Some(chirpstack_api::gw::channel_configuration::ModulationConfig::LoraModulationConfig(chirpstack_api::gw::LoraModulationConfig{
bandwidth: 812000,
spreading_factors: vec![12],
..Default::default()
})),
..Default::default()
},
chirpstack_api::gw::ChannelConfiguration{
frequency: 2479000000,
modulation_config: Some(chirpstack_api::gw::channel_configuration::ModulationConfig::LoraModulationConfig(chirpstack_api::gw::LoraModulationConfig{
bandwidth: 812000,
spreading_factors: vec![12],
..Default::default()
})),
..Default::default()
},
chirpstack_api::gw::ChannelConfiguration{
frequency: 2425000000,
modulation_config: Some(chirpstack_api::gw::channel_configuration::ModulationConfig::LoraModulationConfig(chirpstack_api::gw::LoraModulationConfig{
bandwidth: 812000,
spreading_factors: vec![12],
..Default::default()
})),
..Default::default()
},
],
..Default::default()
},
Concentrator {
channels: [
Channel {
frequency: 2403000000,
bandwidth: 812000,
spreading_factor: 12,
rssi_offset: 0.0,
},
Channel {
frequency: 2479000000,
bandwidth: 812000,
spreading_factor: 12,
rssi_offset: 0.0,
},
Channel {
frequency: 2425000000,
bandwidth: 812000,
spreading_factor: 12,
rssi_offset: 0.0,
},
],
},
)];
for (_, gw_config, expected_config) in tests {
let mut config = Configuration::default();
update_configuration(&mut config, &gw_config).unwrap();
assert_eq!(config.gateway.concentrator, expected_config);
}
}
}