Mercurial > templog
annotate rust/src/main.rs @ 624:2710649ab71e rust
read/write params local file. untested
| author | Matt Johnston <matt@ucc.asn.au> |
|---|---|
| date | Sun, 16 Apr 2017 23:29:27 +0800 |
| parents | 03167105f6de |
| children | efcbe0d3afd6 |
| 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 extern crate atomicwrites; |
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13 |
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sensor regex, custom error type
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14 #[macro_use] |
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15 extern crate lazy_static; |
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16 |
| 595 | 17 #[macro_use] |
| 18 extern crate serde_derive; | |
| 19 extern crate serde; | |
| 20 | |
| 21 extern crate toml; | |
| 22 | |
| 597 | 23 extern crate docopt; |
| 24 | |
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25 use std::io; |
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26 |
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27 use tokio_core::reactor::Core; |
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28 use futures::{Stream,Sink,Future}; |
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29 use futures::sync::{mpsc}; |
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30 use sensor::Sensor; |
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31 |
| 595 | 32 mod config; |
| 590 | 33 mod sensor; |
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34 mod fridge; |
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35 mod types; |
| 615 | 36 mod params; |
| 591 | 37 |
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38 use types::*; |
| 597 | 39 use config::Config; |
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40 |
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41 fn run(config: &Config, nowait: bool, testmode: bool) { |
| 595 | 42 |
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43 let mut core = Core::new().unwrap(); |
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44 let handle = core.handle(); |
| 587 | 45 |
| 615 | 46 let params = params::Params::load(&config); |
| 47 let mut fridge = fridge::Fridge::new(&config, nowait, params, &handle); | |
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48 |
| 597 | 49 let sensor_stream = if testmode { |
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50 sensor::TestSensor::new(config).stream(&handle) |
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51 } else { |
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52 sensor::OneWireSensor::new(config).stream(&handle) |
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53 }; |
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54 |
| 597 | 55 // Send the sensors of interest to the fridge (fridge_reading_s), |
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56 // while streaming them all to the web sender. |
| 620 | 57 let (fridge_reading_s, fridge_reading_r) = mpsc::channel(1); |
| 58 let fridge_reading_r = fridge_reading_r.map_err(|e| TemplogError::new("Problem with fridge_reading_r channel")); | |
| 59 let sensor_stream = sensor_stream.map(|r| { | |
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60 debug!("sensors {:?}", r); |
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61 let msg = fridge::Message::Sensor { |
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62 wort: r.get_temp(&config.WORT_NAME), |
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63 fridge: r.get_temp(&config.FRIDGE_NAME) |
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64 }; |
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65 let t = fridge_reading_s.clone().send(msg) |
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66 .map(|_| ()) |
| 595 | 67 .map_err(|e| { |
| 597 | 68 warn!("Send error in fridge_reading_s: {}", e.to_string()); |
| 595 | 69 () |
| 70 }); | |
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71 handle.spawn(t); |
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72 r |
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73 }); |
| 587 | 74 |
| 616 | 75 let param_stream = params::ParamWaiter::stream(config, &handle); |
| 620 | 76 let param_stream = param_stream.map(|p| { |
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77 fridge::Message::Params(p) |
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78 }); |
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79 |
| 597 | 80 let timeouts = fridge.wakeups(); |
| 591 | 81 |
| 620 | 82 // forward all the different types of messages to the fridge |
| 83 let all_fridge = param_stream.select(timeouts).select(fridge_reading_r).forward(fridge) .map(|_| () ); | |
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84 |
| 620 | 85 let all_readings = sensor_stream.for_each(|_| Ok(())); |
| 86 | |
| 87 // run forever | |
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88 let all = all_fridge.select(all_readings); |
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89 core.run(all).ok(); |
| 587 | 90 } |
| 91 | |
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92 const USAGE: &'static str = "\ |
| 597 | 93 Wort Temperature |
| 94 Matt Johnston 2017 [email protected] | |
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95 Usage: wort-templog [--help] [--new] [--daemon] [--debug] [--test] [--defconf] [--thisconf] [--nowait] |
| 597 | 96 |
| 97 Options: | |
| 98 -h, --help | |
| 99 --new Replace existing running instance | |
| 100 -D, --daemon Run in background | |
| 101 -d, --debug | |
| 102 -t, --test Use fake sensors etc | |
| 103 --nowait Skip initial fridge wait | |
| 615 | 104 --defconf Print default config (customise in local.conf) |
| 597 | 105 --thisconf Print used config |
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106 "; |
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107 |
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108 #[derive(RustcDecodable)] |
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109 struct Args { |
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110 flag_new: bool, |
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111 flag_daemon: bool, |
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112 flag_debug: bool, |
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113 flag_test: bool, |
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114 flag_defconf: bool, |
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115 flag_thisconf: bool, |
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116 flag_nowait: bool, |
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117 } |
| 597 | 118 |
| 119 fn setup_log(debug: bool) { | |
| 120 let loglevel = if debug { | |
| 121 log::LogLevelFilter::Debug | |
| 122 } else { | |
| 123 log::LogLevelFilter::Info | |
| 124 }; | |
| 125 | |
| 126 let format = |record: &log::LogRecord| { | |
| 127 let datefmt = "%Y-%m-%d %I:%M:%S %p"; | |
| 128 let ts = time::strftime(datefmt, &time::now()).unwrap(); | |
| 129 format!("{}: {} - {}", ts, record.level(), record.args()) | |
| 130 }; | |
| 131 | |
| 132 | |
| 133 let mut builder = env_logger::LogBuilder::new(); | |
| 134 builder.format(format).filter(Some("wort_templog"), loglevel); | |
| 135 builder.init().unwrap(); | |
| 136 } | |
| 137 | |
| 138 fn handle_args() -> Args { | |
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139 let args: Args = docopt::Docopt::new(USAGE).and_then(|d| d.decode()).unwrap_or_else(|e| e.exit()); |
| 597 | 140 |
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141 if args.flag_defconf { |
| 597 | 142 println!("Default configuration:\n{}\n\n{}", |
| 615 | 143 "(custom options go in local.conf)", |
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144 config::Config::default().to_toml_string()); |
| 597 | 145 std::process::exit(0); |
| 146 } | |
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147 args |
| 597 | 148 } |
| 149 | |
| 601 | 150 fn load_config() -> Config { |
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151 let nconfig = config::Config::default(); |
| 601 | 152 |
| 615 | 153 let conf_filename = "local.conf"; |
| 601 | 154 nconfig.merge_file(conf_filename) |
| 155 .unwrap_or_else(|e| { | |
| 623 | 156 if let TemplogErrorKind::Io(ref ioe) = *e.kind() { |
| 157 if let Some(errno) = ioe.raw_os_error() { | |
| 158 if errno == libc::ENOENT { | |
| 159 return nconfig; | |
| 160 } | |
| 161 } | |
| 162 } | |
| 163 | |
| 601 | 164 println!("Couldn't parse {}: {}", conf_filename, e); |
| 165 std::process::exit(1); | |
| 166 }) | |
| 167 } | |
| 168 | |
| 597 | 169 fn main() { |
| 170 | |
| 171 let args = handle_args(); | |
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172 setup_log(args.flag_debug); |
| 597 | 173 //env_logger::init().unwrap(); |
| 174 | |
| 175 info!("wort-templog"); | |
| 176 debug!("debug mode"); | |
| 177 | |
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178 let config = load_config(); |
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179 |
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180 if args.flag_thisconf { |
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181 println!("Current configuration:\n\n{}", |
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182 config.to_toml_string()); |
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183 std::process::exit(0); |
| 597 | 184 } |
| 185 | |
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186 run(&config, args.flag_nowait, args.flag_test); |
| 597 | 187 } |