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annotate rust/src/types.rs @ 604:278f1002b5c7 rust

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sensor regex, custom error type
author Matt Johnston <matt@ucc.asn.au>
date Thu, 16 Feb 2017 23:53:46 +0800
parents b45b8b4cf0f5
children 7bda01659426
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1 use std::collections::HashMap;
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2 use std::time::Duration;
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3 use std::error::Error;
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4 use std::fmt;
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5
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6 use serde::{Deserialize,Serialize};
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7
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8 #[derive(Deserialize, Serialize, Debug)]
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9 pub struct Params {
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10 pub fridge_setpoint: f32,
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11 pub fridge_difference: f32,
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12 pub overshoot_delay: u32,
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13 pub overshoot_factor: f32,
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14 pub disabled: bool,
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15 pub nowort: bool,
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16 pub fridge_range_lower: f32,
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17 pub fridge_range_upper: f32,
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18 }
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19
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20 impl Params {
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21 pub fn defaults() -> Params {
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22 Params {
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23 fridge_setpoint: 16.0,
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24 fridge_difference: 0.2,
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25 overshoot_delay: 720, // 12 minutes
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26 overshoot_factor: 1.0,
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27 disabled: false,
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28 nowort: false,
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29 fridge_range_lower: 3.0,
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30 fridge_range_upper: 3.0,
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31 }
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32 }
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33 }
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34
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35 #[derive(Debug)]
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36 pub struct ParamHolder {
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37 pub p: Params,
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38 epoch: String, // XXX or a byte array?
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39 }
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40
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41 impl ParamHolder {
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42 pub fn new() -> ParamHolder {
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43 ParamHolder {
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44 p: Params::defaults(),
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45 epoch: String::new(),
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46 }
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47 }
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48 }
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49
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50 #[derive(Debug)]
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51 pub struct Readings {
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52 pub temps: HashMap<String, f32>,
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53 }
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54
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55 impl Readings {
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56 pub fn new() -> Readings {
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57 Readings {
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58 temps: HashMap::new(),
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59 }
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60 }
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61
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62 pub fn add(&mut self, name: &str, v: f32) {
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63 self.temps.insert(name.to_string(), v);
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64 }
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65
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66 pub fn get_temp(&self, name: &str) -> Option<f32> {
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67 self.temps.get(name).map(|f| *f)
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68 }
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69 }
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70
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71 #[derive(Debug)]
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72 pub struct TemplogError {
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73 desc: String,
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74 }
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75
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76 impl Error for TemplogError {
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77 fn description(&self) -> &str { &self.desc }
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78 fn cause(&self) -> Option<&Error> { None }
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79 }
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80
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81 impl fmt::Display for TemplogError {
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82 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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83 write!(f, "TemplogError: {}", self.desc);
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84 Ok(())
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85 }
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87
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88 }
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89
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90 impl TemplogError {
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91 pub fn new(desc: &str) -> Self {
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92 TemplogError {
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93 desc: desc.to_string(),
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94 }
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95 }
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96 }
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