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annotate rust/src/main.rs @ 626:efcbe0d3afd6 rust

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fix to work with hyper
author Matt Johnston <matt@ucc.asn.au>
date Wed, 06 Dec 2017 00:09:45 +0800
parents 2710649ab71e
children d5075136442f
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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;
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6 extern crate rustc_serialize;
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7 extern crate time;
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8 extern crate serde_json;
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9 extern crate libc;
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10 extern crate atomicwrites;
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11 extern crate hyper;
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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
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16 #[macro_use]
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17 extern crate serde_derive;
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18 extern crate serde;
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19
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20 extern crate toml;
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21
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22 extern crate docopt;
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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
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31 mod config;
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32 mod sensor;
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33 mod fridge;
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34 mod types;
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35 mod params;
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36
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37 use types::*;
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38 use config::Config;
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39
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40 fn run(config: &Config, nowait: bool, testmode: bool) {
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41
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42 let mut core = Core::new().unwrap();
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43 let handle = core.handle();
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44
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45 let params = params::Params::load(&config);
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46 let mut fridge = fridge::Fridge::new(&config, nowait, params, &handle);
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47
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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
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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.
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56 let (fridge_reading_s, fridge_reading_r) = mpsc::channel(1);
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57 let fridge_reading_r = fridge_reading_r.map_err(|e| TemplogError::new("Problem with fridge_reading_r channel"));
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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(|_| ())
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66 .map_err(|e| {
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67 warn!("Send error in fridge_reading_s: {}", e.to_string());
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68 ()
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69 });
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70 handle.spawn(t);
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71 r
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72 });
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73
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74 let param_stream = params::ParamWaiter::stream(config, &handle);
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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
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79 let timeouts = fridge.wakeups();
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80
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81 // forward all the different types of messages to the fridge
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82 let all_fridge = param_stream.select(timeouts).select(fridge_reading_r).forward(fridge) .map(|_| () );
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83
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84 let all_readings = sensor_stream.for_each(|_| Ok(()));
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85
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86 // run forever
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87 let all = all_fridge.select(all_readings);
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88 core.run(all).ok();
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89 }
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90
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91 const USAGE: &'static str = "\
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92 Wort Temperature
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93 Matt Johnston 2017 [email protected]
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94 Usage: wort-templog [--help] [--new] [--daemon] [--debug] [--test] [--defconf] [--thisconf] [--nowait]
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95
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96 Options:
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97 -h, --help
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98 --new Replace existing running instance
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99 -D, --daemon Run in background
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100 -d, --debug
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101 -t, --test Use fake sensors etc
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102 --nowait Skip initial fridge wait
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103 --defconf Print default config (customise in local.conf)
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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 }
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117
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118 fn setup_log(debug: bool) {
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119 let loglevel = if debug {
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120 log::LogLevelFilter::Debug
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121 } else {
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122 log::LogLevelFilter::Info
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123 };
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124
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125 let format = |record: &log::LogRecord| {
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126 let datefmt = "%Y-%m-%d %I:%M:%S %p";
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127 let ts = time::strftime(datefmt, &time::now()).unwrap();
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128 format!("{}: {} - {}", ts, record.level(), record.args())
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129 };
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130
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131
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132 let mut builder = env_logger::LogBuilder::new();
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133 builder.format(format).filter(Some("wort_templog"), loglevel);
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134 builder.init().unwrap();
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135 }
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136
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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());
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139
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140 if args.flag_defconf {
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141 println!("Default configuration:\n{}\n\n{}",
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142 "(custom options go in local.conf)",
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143 config::Config::default().to_toml_string());
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144 std::process::exit(0);
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145 }
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146 args
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147 }
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148
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149 fn load_config() -> Config {
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150 let nconfig = config::Config::default();
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151
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152 let conf_filename = "local.conf";
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153 nconfig.merge_file(conf_filename)
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154 .unwrap_or_else(|e| {
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155 if let TemplogErrorKind::Io(ref ioe) = *e.kind() {
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156 if let Some(errno) = ioe.raw_os_error() {
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157 if errno == libc::ENOENT {
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158 return nconfig;
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159 }
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160 }
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161 }
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162
601
8c21df3711e2 rigid_config
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163 println!("Couldn't parse {}: {}", conf_filename, e);
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164 std::process::exit(1);
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165 })
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166 }
8c21df3711e2 rigid_config
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167
597
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168 fn main() {
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169
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170 let args = handle_args();
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171 setup_log(args.flag_debug);
597
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172 //env_logger::init().unwrap();
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173
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174 info!("wort-templog");
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175 debug!("debug mode");
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176
603
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177 let config = load_config();
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178
599
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179 if args.flag_thisconf {
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180 println!("Current configuration:\n\n{}",
603
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parents: 601
diff changeset
181 config.to_toml_string());
599
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parents: 598
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182 std::process::exit(0);
597
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183 }
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184
603
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185 run(&config, args.flag_nowait, args.flag_test);
597
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186 }