78 lines
1.7 KiB
Go
78 lines
1.7 KiB
Go
// Copyright 2018 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package main
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import (
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"context"
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"flag"
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"log"
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"os"
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"os/signal"
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"sync"
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"syscall"
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)
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func WithSignal(ctx context.Context, s ...os.Signal) (context.Context, context.CancelFunc) {
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ctx, cancel := context.WithCancel(ctx)
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c := make(chan os.Signal, 1)
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signal.Notify(c, s...)
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go func() {
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select {
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case <-c:
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log.Printf("Received %s, exiting", s)
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cancel()
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case <-ctx.Done():
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cancel()
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}
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signal.Stop(c)
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}()
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return ctx, cancel
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}
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func main() {
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configFile := flag.String("config", "", "Config file path.")
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flag.Parse()
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ctx, _ := WithSignal(context.Background(), syscall.SIGINT, syscall.SIGTERM)
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stopWg := sync.WaitGroup{}
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config, err := LoadConfig(*configFile)
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if err != nil {
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log.Printf("Could not load config: %s", err)
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return
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}
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alertMsgs := make(chan AlertMsg, config.AlertBufferSize)
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stopWg.Add(1)
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ircNotifier, err := NewIRCNotifier(ctx, &stopWg, config, alertMsgs)
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if err != nil {
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log.Printf("Could not create IRC notifier: %s", err)
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return
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}
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go ircNotifier.Run()
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httpServer, err := NewHTTPServer(config, alertMsgs)
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if err != nil {
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log.Printf("Could not create HTTP server: %s", err)
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return
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}
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go httpServer.Run()
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stopWg.Wait()
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}
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