prosody
7a9b680a79fb
util/async.lua

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util/async.lua @ 8788:7a9b680a79fb

util.async: Move runner id into log tag Avoids string concatenation in every logger call
author Kim Alvefur <zash@zash.se>
date Fri, 04 May 2018 00:10:17 +0200
parent 8766:01264bc60c2b
child 8927:ed0891383e78
comparison
equal deleted inserted replaced
8787:5dbebb7627ef 8788:7a9b680a79fb
1 local log = require "util.logger".init("util.async"); 1 local logger = require "util.logger";
2 local log = logger.init("util.async");
2 local new_id = require "util.id".short; 3 local new_id = require "util.id".short;
3 4
4 local function checkthread() 5 local function checkthread()
5 local thread, main = coroutine.running(); 6 local thread, main = coroutine.running();
6 if not thread or main then 7 if not thread or main then
133 runner:log("error", "Encountered error: %s", err); 134 runner:log("error", "Encountered error: %s", err);
134 error(err); 135 error(err);
135 end 136 end
136 local function default_func(f) f(); end 137 local function default_func(f) f(); end
137 local function runner(func, watchers, data) 138 local function runner(func, watchers, data)
139 local id = new_id();
140 local _log = logger.init("runner" .. id);
138 return setmetatable({ func = func or default_func, thread = false, state = "ready", notified_state = "ready", 141 return setmetatable({ func = func or default_func, thread = false, state = "ready", notified_state = "ready",
139 queue = {}, watchers = watchers or { error = default_error_watcher }, data = data, id = new_id() } 142 queue = {}, watchers = watchers or { error = default_error_watcher }, data = data, id = id, _log = _log; }
140 , runner_mt); 143 , runner_mt);
141 end 144 end
142 145
143 -- Add a task item for the runner to process 146 -- Add a task item for the runner to process
144 function runner_mt:run(input) 147 function runner_mt:run(input)
217 self:log("debug", "queued new work item, %d items queued", #self.queue); 220 self:log("debug", "queued new work item, %d items queued", #self.queue);
218 return self; 221 return self;
219 end 222 end
220 223
221 function runner_mt:log(level, fmt, ...) 224 function runner_mt:log(level, fmt, ...)
222 return log(level, "[runner %s] "..fmt, self.id, ...); 225 return self._log(level, fmt, ...);
223 end 226 end
224 227
225 function runner_mt:onready(f) 228 function runner_mt:onready(f)
226 self.watchers.ready = f; 229 self.watchers.ready = f;
227 return self; 230 return self;