Mercurial > templog
annotate rust/src/main.rs @ 623:03167105f6de rust
ignore missing local.conf
| author | Matt Johnston <matt@ucc.asn.au> |
|---|---|
| date | Sun, 16 Apr 2017 22:50:20 +0800 |
| parents | 8fda564cc46f |
| children | 2710649ab71e |
| rev | line source |
|---|---|
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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 extern crate tokio_curl; |
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9 extern crate curl; |
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10 extern crate serde_json; |
| 623 | 11 extern crate libc; |
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12 |
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13 #[macro_use] |
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14 extern crate lazy_static; |
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15 |
| 595 | 16 #[macro_use] |
| 17 extern crate serde_derive; | |
| 18 extern crate serde; | |
| 19 | |
| 20 extern crate toml; | |
| 21 | |
| 597 | 22 extern crate docopt; |
| 23 | |
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24 use std::io; |
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25 |
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26 use tokio_core::reactor::Core; |
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27 use futures::{Stream,Sink,Future}; |
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28 use futures::sync::{mpsc}; |
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29 use sensor::Sensor; |
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30 |
| 595 | 31 mod config; |
| 590 | 32 mod sensor; |
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33 mod fridge; |
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34 mod types; |
| 615 | 35 mod params; |
| 591 | 36 |
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37 use types::*; |
| 597 | 38 use config::Config; |
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39 |
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40 fn run(config: &Config, nowait: bool, testmode: bool) { |
| 595 | 41 |
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42 let mut core = Core::new().unwrap(); |
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43 let handle = core.handle(); |
| 587 | 44 |
| 615 | 45 let params = params::Params::load(&config); |
| 46 let mut fridge = fridge::Fridge::new(&config, nowait, params, &handle); | |
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47 |
| 597 | 48 let sensor_stream = if testmode { |
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49 sensor::TestSensor::new(config).stream(&handle) |
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50 } else { |
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51 sensor::OneWireSensor::new(config).stream(&handle) |
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52 }; |
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53 |
| 597 | 54 // Send the sensors of interest to the fridge (fridge_reading_s), |
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55 // while streaming them all to the web sender. |
| 620 | 56 let (fridge_reading_s, fridge_reading_r) = mpsc::channel(1); |
| 57 let fridge_reading_r = fridge_reading_r.map_err(|e| TemplogError::new("Problem with fridge_reading_r channel")); | |
| 58 let sensor_stream = sensor_stream.map(|r| { | |
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59 debug!("sensors {:?}", r); |
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60 let msg = fridge::Message::Sensor { |
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61 wort: r.get_temp(&config.WORT_NAME), |
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62 fridge: r.get_temp(&config.FRIDGE_NAME) |
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63 }; |
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64 let t = fridge_reading_s.clone().send(msg) |
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65 .map(|_| ()) |
| 595 | 66 .map_err(|e| { |
| 597 | 67 warn!("Send error in fridge_reading_s: {}", e.to_string()); |
| 595 | 68 () |
| 69 }); | |
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70 handle.spawn(t); |
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71 r |
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72 }); |
| 587 | 73 |
| 616 | 74 let param_stream = params::ParamWaiter::stream(config, &handle); |
| 620 | 75 let param_stream = param_stream.map(|p| { |
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76 fridge::Message::Params(p) |
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77 }); |
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78 |
| 597 | 79 let timeouts = fridge.wakeups(); |
| 591 | 80 |
| 620 | 81 // forward all the different types of messages to the fridge |
| 82 let all_fridge = param_stream.select(timeouts).select(fridge_reading_r).forward(fridge) .map(|_| () ); | |
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83 |
| 620 | 84 let all_readings = sensor_stream.for_each(|_| Ok(())); |
| 85 | |
| 86 // run forever | |
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87 let all = all_fridge.select(all_readings); |
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88 core.run(all).ok(); |
| 587 | 89 } |
| 90 | |
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91 const USAGE: &'static str = "\ |
| 597 | 92 Wort Temperature |
| 93 Matt Johnston 2017 [email protected] | |
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94 Usage: wort-templog [--help] [--new] [--daemon] [--debug] [--test] [--defconf] [--thisconf] [--nowait] |
| 597 | 95 |
| 96 Options: | |
| 97 -h, --help | |
| 98 --new Replace existing running instance | |
| 99 -D, --daemon Run in background | |
| 100 -d, --debug | |
| 101 -t, --test Use fake sensors etc | |
| 102 --nowait Skip initial fridge wait | |
| 615 | 103 --defconf Print default config (customise in local.conf) |
| 597 | 104 --thisconf Print used config |
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105 "; |
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106 |
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107 #[derive(RustcDecodable)] |
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108 struct Args { |
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109 flag_new: bool, |
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110 flag_daemon: bool, |
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111 flag_debug: bool, |
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112 flag_test: bool, |
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113 flag_defconf: bool, |
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114 flag_thisconf: bool, |
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115 flag_nowait: bool, |
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116 } |
| 597 | 117 |
| 118 fn setup_log(debug: bool) { | |
| 119 let loglevel = if debug { | |
| 120 log::LogLevelFilter::Debug | |
| 121 } else { | |
| 122 log::LogLevelFilter::Info | |
| 123 }; | |
| 124 | |
| 125 let format = |record: &log::LogRecord| { | |
| 126 let datefmt = "%Y-%m-%d %I:%M:%S %p"; | |
| 127 let ts = time::strftime(datefmt, &time::now()).unwrap(); | |
| 128 format!("{}: {} - {}", ts, record.level(), record.args()) | |
| 129 }; | |
| 130 | |
| 131 | |
| 132 let mut builder = env_logger::LogBuilder::new(); | |
| 133 builder.format(format).filter(Some("wort_templog"), loglevel); | |
| 134 builder.init().unwrap(); | |
| 135 } | |
| 136 | |
| 137 fn handle_args() -> Args { | |
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138 let args: Args = docopt::Docopt::new(USAGE).and_then(|d| d.decode()).unwrap_or_else(|e| e.exit()); |
| 597 | 139 |
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140 if args.flag_defconf { |
| 597 | 141 println!("Default configuration:\n{}\n\n{}", |
| 615 | 142 "(custom options go in local.conf)", |
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143 config::Config::default().to_toml_string()); |
| 597 | 144 std::process::exit(0); |
| 145 } | |
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146 args |
| 597 | 147 } |
| 148 | |
| 601 | 149 fn load_config() -> Config { |
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150 let nconfig = config::Config::default(); |
| 601 | 151 |
| 615 | 152 let conf_filename = "local.conf"; |
| 601 | 153 nconfig.merge_file(conf_filename) |
| 154 .unwrap_or_else(|e| { | |
| 623 | 155 if let TemplogErrorKind::Io(ref ioe) = *e.kind() { |
| 156 if let Some(errno) = ioe.raw_os_error() { | |
| 157 if errno == libc::ENOENT { | |
| 158 return nconfig; | |
| 159 } | |
| 160 } | |
| 161 } | |
| 162 | |
| 601 | 163 println!("Couldn't parse {}: {}", conf_filename, e); |
| 164 std::process::exit(1); | |
| 165 }) | |
| 166 } | |
| 167 | |
| 597 | 168 fn main() { |
| 169 | |
| 170 let args = handle_args(); | |
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171 setup_log(args.flag_debug); |
| 597 | 172 //env_logger::init().unwrap(); |
| 173 | |
| 174 info!("wort-templog"); | |
| 175 debug!("debug mode"); | |
| 176 | |
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177 let config = load_config(); |
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178 |
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179 if args.flag_thisconf { |
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180 println!("Current configuration:\n\n{}", |
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181 config.to_toml_string()); |
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182 std::process::exit(0); |
| 597 | 183 } |
| 184 | |
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185 run(&config, args.flag_nowait, args.flag_test); |
| 597 | 186 } |