Mercurial > templog
annotate rust/src/main.rs @ 604:278f1002b5c7 rust
sensor regex, custom error type
author | Matt Johnston <matt@ucc.asn.au> |
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date | Thu, 16 Feb 2017 23:53:46 +0800 |
parents | b45b8b4cf0f5 |
children | 282fae1c12e4 |
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1 extern crate tokio_core; |
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2 extern crate futures; |
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3 #[macro_use] |
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4 extern crate log; |
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5 extern crate env_logger; |
597 | 6 extern crate rustc_serialize; |
7 extern crate time; | |
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8 |
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9 #[macro_use] |
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10 extern crate lazy_static; |
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11 |
595 | 12 #[macro_use] |
13 extern crate serde_derive; | |
14 extern crate serde; | |
15 | |
16 extern crate toml; | |
17 | |
597 | 18 extern crate docopt; |
19 | |
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20 use std::io; |
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21 |
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22 use tokio_core::reactor::Core; |
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23 use futures::{Stream,Sink,Future}; |
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24 use futures::sync::{mpsc}; |
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25 use sensor::Sensor; |
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26 |
595 | 27 mod config; |
590 | 28 mod sensor; |
597 | 29 pub mod fridge; |
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30 mod types; |
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31 mod paramwaiter; |
591 | 32 |
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33 use types::*; |
597 | 34 use config::Config; |
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35 |
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36 fn run(config: &Config, nowait: bool, testmode: bool) { |
595 | 37 |
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38 let mut core = Core::new().unwrap(); |
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39 let handle = core.handle(); |
587 | 40 |
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41 let mut paramh = ParamHolder::new(); |
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42 let mut fridge = fridge::Fridge::new(&config, nowait, paramh.p, &handle); |
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43 |
597 | 44 let (fridge_reading_s, fridge_reading_r) = mpsc::channel(1); |
45 let fridge_reading_r = fridge_reading_r.map_err(|_| io::Error::new(io::ErrorKind::Other, "Problem with fridge_reading_r channel")); | |
587 | 46 |
597 | 47 let sensor_stream = if testmode { |
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48 sensor::TestSensor::new(config).stream(&handle) |
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49 } else { |
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50 sensor::OneWireSensor::new(config).stream(&handle) |
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51 }; |
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52 |
597 | 53 // Send the sensors of interest to the fridge (fridge_reading_s), |
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54 // while streaming them all to the web sender. |
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55 let s = sensor_stream.map(|r| { |
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56 debug!("sensors {:?}", r); |
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57 let msg = fridge::Message::Sensor { |
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58 wort: r.get_temp(&config.WORT_NAME), |
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59 fridge: r.get_temp(&config.FRIDGE_NAME) |
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60 }; |
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61 let t = fridge_reading_s.clone().send(msg) |
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62 .map(|_| ()) |
595 | 63 .map_err(|e| { |
597 | 64 warn!("Send error in fridge_reading_s: {}", e.to_string()); |
595 | 65 () |
66 }); | |
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67 handle.spawn(t); |
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68 r |
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69 }); |
587 | 70 |
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71 let param_stream = paramwaiter::ParamWaiter::stream(&handle); |
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72 let p = param_stream.map(|p| { |
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73 fridge::Message::Params(p) |
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74 }); |
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75 |
597 | 76 let timeouts = fridge.wakeups(); |
591 | 77 |
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78 let all_readings = s.for_each(|_| Ok(())); |
597 | 79 let all_fridge = p.select(timeouts).select(fridge_reading_r).forward(fridge) |
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80 .map(|_| () ); |
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81 |
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82 let all = all_fridge.select(all_readings); |
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83 |
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84 core.run(all).ok(); |
587 | 85 } |
86 | |
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87 const USAGE: &'static str = "\ |
597 | 88 Wort Temperature |
89 Matt Johnston 2017 [email protected] | |
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90 Usage: wort-templog [--help] [--new] [--daemon] [--debug] [--test] [--defconf] [--thisconf] [--nowait] |
597 | 91 |
92 Options: | |
93 -h, --help | |
94 --new Replace existing running instance | |
95 -D, --daemon Run in background | |
96 -d, --debug | |
97 -t, --test Use fake sensors etc | |
98 --nowait Skip initial fridge wait | |
99 --defconf Print default config (customise in tempserver.conf) | |
100 --thisconf Print used config | |
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101 "; |
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102 |
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103 #[derive(RustcDecodable)] |
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104 struct Args { |
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105 flag_new: bool, |
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106 flag_daemon: bool, |
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107 flag_debug: bool, |
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108 flag_test: bool, |
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109 flag_defconf: bool, |
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110 flag_thisconf: bool, |
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111 flag_nowait: bool, |
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112 } |
597 | 113 |
114 fn setup_log(debug: bool) { | |
115 let loglevel = if debug { | |
116 log::LogLevelFilter::Debug | |
117 } else { | |
118 log::LogLevelFilter::Info | |
119 }; | |
120 | |
121 let format = |record: &log::LogRecord| { | |
122 let datefmt = "%Y-%m-%d %I:%M:%S %p"; | |
123 let ts = time::strftime(datefmt, &time::now()).unwrap(); | |
124 format!("{}: {} - {}", ts, record.level(), record.args()) | |
125 }; | |
126 | |
127 | |
128 let mut builder = env_logger::LogBuilder::new(); | |
129 builder.format(format).filter(Some("wort_templog"), loglevel); | |
130 builder.init().unwrap(); | |
131 } | |
132 | |
133 fn handle_args() -> Args { | |
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134 let args: Args = docopt::Docopt::new(USAGE).and_then(|d| d.decode()).unwrap_or_else(|e| e.exit()); |
597 | 135 |
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136 if args.flag_defconf { |
597 | 137 println!("Default configuration:\n{}\n\n{}", |
138 "(custom options go in tempserver.conf)", | |
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139 config::Config::default().to_toml_string()); |
597 | 140 std::process::exit(0); |
141 } | |
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142 args |
597 | 143 } |
144 | |
601 | 145 fn load_config() -> Config { |
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146 let nconfig = config::Config::default(); |
601 | 147 |
148 let conf_filename = "tempserver.conf"; | |
149 nconfig.merge_file(conf_filename) | |
150 .unwrap_or_else(|e| { | |
151 println!("Couldn't parse {}: {}", conf_filename, e); | |
152 std::process::exit(1); | |
153 }) | |
154 } | |
155 | |
597 | 156 fn main() { |
157 | |
158 let args = handle_args(); | |
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159 setup_log(args.flag_debug); |
597 | 160 //env_logger::init().unwrap(); |
161 | |
162 info!("wort-templog"); | |
163 debug!("debug mode"); | |
164 | |
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165 let config = load_config(); |
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166 |
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167 if args.flag_thisconf { |
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168 println!("Current configuration:\n\n{}", |
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169 config.to_toml_string()); |
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170 std::process::exit(0); |
597 | 171 } |
172 | |
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173 run(&config, args.flag_nowait, args.flag_test); |
597 | 174 } |
175 |