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tinyjpg.go
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tinyjpg.go
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package main
import (
. "github.com/OrlovEvgeny/TinyJPG/config"
"flag"
"fmt"
"github.com/rjeczalik/notify"
"log"
"os"
"regexp"
"strings"
)
var (
version string
build string
commit string
docs string
LogErrChannel = make(chan string, 300)
LogInfoChannel = make(chan string, 300)
configPath = flag.String("config", "", "config file path")
)
//
func InitProcess() {
c := make(chan string, Config.General.WorkerBuffer)
ec := make(chan notify.EventInfo, Config.General.EventBuffer)
workerWatch := &Watch{
EC: ec,
Paths: Config.Compress.Paths,
}
workerLog := &LoggerWorker{
ErrorLog: Config.General.ErrorLog,
InfoLog: Config.General.InfoLog,
}
go workerLog.processErr()
go workerLog.processInfo()
re, err := regexp.Compile(getRegxp())
if err != nil {
msg := fmt.Sprintf("Error: There is a problem with your regexp: %s\n", getRegxp())
LogErrChannel <- msg
log.Println(msg)
os.Exit(1)
}
for i := 1; i <= Config.General.Worker; i++ {
worker := &Worker{id: i}
go worker.process(c)
}
workerWatch.watcherStart()
defer notify.Stop(ec)
// Process events
go func() {
for {
select {
case ev := <-ec:
if re.MatchString(ev.Path()) == true {
c <- ev.Path()
}
}
}
}()
}
//
func getRegxp() string {
if len(Config.Compress.Prefix) > 0 && Config.Compress.Prefix[0] != "*" {
prefix := fmt.Sprintf(`(%s).*.(JPG|jpeg|JPEG|jpg|png|PNG)$`, strings.Join(Config.Compress.Prefix, "|"))
return prefix
}
return `^.*.(JPG|jpeg|JPEG|jpg|png|PNG)$`
}
//
func main() {
if len(os.Args) == 2 && (os.Args[1] == "--version" || os.Args[1] == "-v" || os.Args[1] == "ver") {
PrintVersion()
os.Exit(0)
}
flag.StringVar(&Config.Compress.Path, "path", "/home/www", "uploads folder path, default - /home/www")
flag.IntVar(&Config.General.Worker, "worker", 5, "maximum amount workers")
flag.IntVar(&Config.General.WorkerBuffer, "worker_buffer", 500, "maximum buffer queue workers")
flag.IntVar(&Config.Compress.Quality, "quality", 82, "image quality level in percentage")
flag.IntVar(&Config.General.EventBuffer, "event_buffer", 300, "buffer an event reported")
flag.Parse()
//print helps if not require args
if len(os.Args) < 2 {
fmt.Printf("Usage: TinyJPG -options=param\n\n")
flag.PrintDefaults()
os.Exit(0)
}
PrintVersion()
//Config file load
if *configPath != "" {
LoadConfig(true, *configPath)
} else {
Config.Compress.Paths = append(Config.Compress.Paths, Config.Compress.Path)
}
InitProcess()
done := make(chan bool, 1)
<-done
LogInfoChannel <- fmt.Sprintf("tinyjpg-watcher stoped")
fmt.Println("tinyjpg-watcher stoped")
os.Exit(0)
}