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server.go
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server.go
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// Copyright (C) 2012 Numerotron Inc.
// Use of this source code is governed by an MIT-style license
// that can be found in the LICENSE file.
package bingo // import "stathat.com/c/bingo"
import (
"flag"
"fmt"
"log"
"net/http"
"os"
"os/signal"
"syscall"
"stathat.com/c/spitz"
)
type Env int
const (
EnvProduction Env = iota
EnvTesting
EnvDevel
)
var ContentDir string
var Environment Env
var AfterErrorFunc func(Context, *AppError)
func init() {
var envFlag string
flag.StringVar(&envFlag, "e", "production", "environment to run in [devel|testing|production]")
flag.StringVar(&ContentDir, "d", ".", "content root directory (where server can find 'templates/')")
flag.Parse()
switch envFlag {
case "production":
Environment = EnvProduction
case "testing":
Environment = EnvTesting
case "devel":
Environment = EnvDevel
default:
log.Fatalf("unknown environment %q", envFlag)
}
reloadTemplates := Environment != EnvProduction
DefaultPool = spitz.New(ContentDir+"/templates", reloadTemplates)
fmt.Printf("bingo content directory: %q\n", ContentDir)
fmt.Printf("bingo reloading templates? %v\n", reloadTemplates)
go trapSignals()
}
func trapSignals() {
c := make(chan os.Signal, 10)
signal.Notify(c, syscall.SIGINT, syscall.SIGHUP, syscall.SIGTERM, syscall.SIGQUIT, syscall.SIGKILL)
for {
x := <-c
if x == syscall.SIGHUP {
fmt.Printf("!!! signal %s trapped, reopening log files\n", x)
logReload()
} else {
fmt.Printf("!!! signal %s trapped, exiting\n", x)
cleanup()
os.Exit(0)
}
}
}
func cleanup() {
logCleanup()
}
func ListenAndServe(addr string) {
http.ListenAndServe(addr, nil)
}