Mercurial > templog
annotate rust/src/main.rs @ 632:bde302def78e rust
moving to riker, nowhere near yet
author | Matt Johnston <matt@ucc.asn.au> |
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date | Thu, 22 Aug 2019 23:59:50 +0800 |
parents | c57821a60e51 |
children | 490e9e15b98c |
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1 #[macro_use] extern crate log; |
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2 // riker has its own logging? |
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3 //extern crate env_logger; |
631 | 4 |
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5 use sensor::Sensor; |
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6 |
595 | 7 mod config; |
590 | 8 mod sensor; |
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9 mod fridge; |
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10 mod types; |
615 | 11 mod params; |
591 | 12 |
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13 use types::*; |
597 | 14 use config::Config; |
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15 |
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16 fn run(config: &Config, nowait: bool, testmode: bool) { |
595 | 17 |
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18 let mut core = Core::new().unwrap(); |
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19 let handle = core.handle(); |
587 | 20 |
615 | 21 let params = params::Params::load(&config); |
22 let mut fridge = fridge::Fridge::new(&config, nowait, params, &handle); | |
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23 |
597 | 24 let sensor_stream = if testmode { |
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25 sensor::TestSensor::new(config).stream(&handle) |
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26 } else { |
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27 sensor::OneWireSensor::new(config).stream(&handle) |
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28 }; |
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29 |
597 | 30 // Send the sensors of interest to the fridge (fridge_reading_s), |
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31 // while streaming them all to the web sender. |
620 | 32 let (fridge_reading_s, fridge_reading_r) = mpsc::channel(1); |
33 let fridge_reading_r = fridge_reading_r.map_err(|e| TemplogError::new("Problem with fridge_reading_r channel")); | |
34 let sensor_stream = sensor_stream.map(|r| { | |
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35 debug!("sensors {:?}", r); |
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36 let msg = fridge::Message::Sensor { |
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37 wort: r.get_temp(&config.WORT_NAME), |
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38 fridge: r.get_temp(&config.FRIDGE_NAME) |
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39 }; |
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40 let t = fridge_reading_s.clone().send(msg) |
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41 .map(|_| ()) |
595 | 42 .map_err(|e| { |
597 | 43 warn!("Send error in fridge_reading_s: {}", e.to_string()); |
595 | 44 () |
45 }); | |
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46 handle.spawn(t); |
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47 r |
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48 }); |
587 | 49 |
627 | 50 let param_stream = params::ParamWaiter::stream(config.clone(), handle.clone()); |
620 | 51 let param_stream = param_stream.map(|p| { |
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52 fridge::Message::Params(p) |
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53 }); |
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54 |
597 | 55 let timeouts = fridge.wakeups(); |
591 | 56 |
620 | 57 // forward all the different types of messages to the fridge |
58 let all_fridge = param_stream.select(timeouts).select(fridge_reading_r).forward(fridge) .map(|_| () ); | |
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59 |
620 | 60 let all_readings = sensor_stream.for_each(|_| Ok(())); |
61 | |
62 // run forever | |
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63 let all = all_fridge.select(all_readings); |
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64 core.run(all).ok(); |
587 | 65 } |
66 | |
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67 const USAGE: &'static str = "\ |
597 | 68 Wort Temperature |
69 Matt Johnston 2017 [email protected] | |
598
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70 Usage: wort-templog [--help] [--new] [--daemon] [--debug] [--test] [--defconf] [--thisconf] [--nowait] |
597 | 71 |
72 Options: | |
73 -h, --help | |
74 --new Replace existing running instance | |
75 -D, --daemon Run in background | |
76 -d, --debug | |
77 -t, --test Use fake sensors etc | |
78 --nowait Skip initial fridge wait | |
615 | 79 --defconf Print default config (customise in local.conf) |
597 | 80 --thisconf Print used config |
598
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81 "; |
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82 |
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83 #[derive(RustcDecodable)] |
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84 struct Args { |
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85 flag_new: bool, |
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86 flag_daemon: bool, |
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87 flag_debug: bool, |
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88 flag_test: bool, |
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89 flag_defconf: bool, |
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90 flag_thisconf: bool, |
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91 flag_nowait: bool, |
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92 } |
597 | 93 |
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94 fn handle_args() -> Args { |
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95 let args: Args = docopt::Docopt::new(USAGE).and_then(|d| d.decode()).unwrap_or_else(|e| e.exit()); |
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96 |
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97 if args.flag_defconf { |
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98 println!("Default configuration:\n{}\n\n{}", |
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99 "(custom options go in local.conf)", |
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100 config::Config::default().to_toml_string()); |
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101 std::process::exit(0); |
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102 } |
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103 args |
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104 } |
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105 |
597 | 106 fn setup_log(debug: bool) { |
107 let loglevel = if debug { | |
108 log::LogLevelFilter::Debug | |
109 } else { | |
110 log::LogLevelFilter::Info | |
111 }; | |
112 | |
113 let format = |record: &log::LogRecord| { | |
114 let datefmt = "%Y-%m-%d %I:%M:%S %p"; | |
115 let ts = time::strftime(datefmt, &time::now()).unwrap(); | |
116 format!("{}: {} - {}", ts, record.level(), record.args()) | |
117 }; | |
118 | |
119 | |
120 let mut builder = env_logger::LogBuilder::new(); | |
121 builder.format(format).filter(Some("wort_templog"), loglevel); | |
122 builder.init().unwrap(); | |
123 } | |
124 | |
601 | 125 fn load_config() -> Config { |
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126 let nconfig = config::Config::default(); |
601 | 127 |
615 | 128 let conf_filename = "local.conf"; |
601 | 129 nconfig.merge_file(conf_filename) |
130 .unwrap_or_else(|e| { | |
623 | 131 if let TemplogErrorKind::Io(ref ioe) = *e.kind() { |
132 if let Some(errno) = ioe.raw_os_error() { | |
133 if errno == libc::ENOENT { | |
134 return nconfig; | |
135 } | |
136 } | |
137 } | |
138 | |
601 | 139 println!("Couldn't parse {}: {}", conf_filename, e); |
140 std::process::exit(1); | |
141 }) | |
142 } | |
143 | |
597 | 144 fn main() { |
145 | |
146 let args = handle_args(); | |
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147 setup_log(args.flag_debug); |
597 | 148 //env_logger::init().unwrap(); |
149 | |
150 info!("wort-templog"); | |
151 debug!("debug mode"); | |
152 | |
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153 let config = load_config(); |
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154 |
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155 if args.flag_thisconf { |
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156 println!("Current configuration:\n\n{}", |
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157 config.to_toml_string()); |
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158 std::process::exit(0); |
597 | 159 } |
160 | |
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161 run(&config, args.flag_nowait, args.flag_test); |
597 | 162 } |