package main
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import (
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"flag"
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"fmt"
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"net"
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"strconv"
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"time"
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"github.com/long/test/esutil"
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log "github.com/long/test/log"
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)
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var addr = flag.String("addr", "0.0.0.0", "The address to listen to;")
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var Eurl = flag.String("eurl", "http://192.168.1.182:9200/", "The port to listen on; ")
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var Picurl = flag.String("picurl", "http://58.118.225.79:41242/", "picture url ")
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var port = flag.Int("port", 6000, "The port to listen on; ")
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var sec = flag.Int("sec", 10, "the second for query data. ")
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func main() {
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flag.Parse()
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fmt.Println(*port)
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src := *addr + ":" + strconv.Itoa(*port)
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listener, err := net.Listen("tcp", src)
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if err != nil {
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log.Log.Errorln(err)
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return
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}
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log.Log.Infof("Listening on %s.\n", src)
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fmt.Println("starting server success.")
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defer listener.Close()
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for {
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conn, err := listener.Accept()
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if err != nil {
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log.Log.Errorf("some connecion error: %s\n", err)
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}
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go handleConnection(conn)
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}
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}
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func handleConnection(conn net.Conn) {
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remoteAddr := conn.RemoteAddr().String()
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log.Log.Infoln("Client connected from ", remoteAddr)
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ech := make(chan error)
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go func(conn net.Conn, ech chan error) {
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buf := make([]byte, 10)
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_, err := conn.Read(buf)
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if err != nil {
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ech <- err
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}
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}(conn, ech)
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tick := time.NewTicker(10 * time.Second)
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for {
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select {
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case <-tick.C:
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handleMessage(conn)
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case err := <-ech:
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log.Log.Errorln(err, "remoteAddr ", remoteAddr, " close")
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break
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}
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}
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log.Log.Infoln("Client at " + remoteAddr + " disconnected.")
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}
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func handleMessage(conn net.Conn) {
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jsonstring := esutil.PostAction(*sec, *Eurl, *Picurl)
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if jsonstring == nil {
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log.Log.Infoln("the data is nil")
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return
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}
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jsonstring = append(jsonstring, []byte("\000")...)
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log.Log.Infoln("jsonstring len: ", len(jsonstring), "\000 data: ", len("\000"))
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conn.Write(jsonstring)
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}
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