Files
daqbuffer/disk/src/channelconfig.rs
2023-02-08 07:14:22 +01:00

41 lines
1.4 KiB
Rust

use err::Error;
use netpod::Channel;
use netpod::ChannelConfig;
use netpod::NanoRange;
use netpod::NodeConfigCached;
use parse::channelconfig::extract_matching_config_entry;
use parse::channelconfig::read_local_config;
use parse::channelconfig::MatchingConfigEntry;
pub async fn config(
range: NanoRange,
channel: Channel,
node_config: &NodeConfigCached,
) -> Result<ChannelConfig, Error> {
let channel_config = read_local_config(channel.clone(), node_config.node.clone()).await?;
let entry_res = match extract_matching_config_entry(&range, &channel_config) {
Ok(k) => k,
Err(e) => return Err(e)?,
};
let entry = match entry_res {
MatchingConfigEntry::None => return Err(Error::with_public_msg("no config entry found"))?,
MatchingConfigEntry::Multiple => return Err(Error::with_public_msg("multiple config entries found"))?,
MatchingConfigEntry::Entry(entry) => entry,
};
let shape = match entry.to_shape() {
Ok(k) => k,
Err(e) => return Err(e)?,
};
let channel_config = ChannelConfig {
channel: channel.clone(),
keyspace: entry.ks as u8,
time_bin_size: entry.bs,
shape: shape,
scalar_type: entry.scalar_type.clone(),
byte_order: entry.byte_order.clone(),
array: entry.is_array,
compression: entry.is_compressed,
};
Ok(channel_config)
}