Mercurial > templog

annotate rust/src/config.rs @ 636:43eb3cfdf769 rust

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some progress, better error handling
author Matt Johnston <matt@ucc.asn.au>
date Wed, 16 Oct 2019 22:33:06 +0800
parents 4424a8b30f9c
children 89818a14648b
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1 use serde::{Serialize,Deserialize};
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2
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3 use super::types::*;
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4
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5 #[derive(Deserialize,Serialize,Debug,Clone)]
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6 pub struct Config {
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7 pub sensor_sleep: u64,
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8 pub upload_sleep: u64,
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9
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10 pub fridge_delay: u64,
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11 pub fridge_wort_invalid_time: u64,
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12
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13 pub max_readings: u32,
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14
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15 pub params_file: String,
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16
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17 pub sensor_base_dir: String,
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18 pub fridge_gpio_pin: u32,
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19
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20 pub ambient_name: String,
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21 pub fridge_name: String,
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22 pub wort_name: String,
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23 pub internal_temperature: String,
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24
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25 pub hmac_key: String,
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26 pub server_url: String,
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27 pub update_url: String,
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28 pub settings_url: String,
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29 }
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31 impl Config {
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32 pub fn default_toml() -> &'static str {
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33 include_str!("defconfig.toml")
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34 }
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35
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36 pub fn load(conf_file: &str) -> Result<Self, TemplogError> {
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37 let mut c = config::Config::default();
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38 c.merge(config::File::from_str(Self::default_toml(), config::FileFormat::Toml)).expect("Bad default config");
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39 c.merge(config::File::with_name(conf_file)).or_else(|e| {
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40 Err(match e {
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41 config::ConfigError::NotFound(_) => TemplogError::new(&format!("Missing config {}", conf_file)),
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42 _ => TemplogError::new(&format!("Problem parsing {}: {}", conf_file, e)),
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43 })
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44 })?;
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45 c.merge(config::Environment::with_prefix("TEMPLOG")).unwrap();
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46 c.try_into().or_else(|e| Err(TemplogError::new(&format!("Problem loading config {}: {}", conf_file, e))))
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47 }
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48 }