X-Git-Url: https://git.realraum.at/?p=svn42.git;a=blobdiff_plain;f=door_daemon_go%2Funix_socket_server.go;h=14b9226ac2f0c521935685361167c7b984e662a6;hp=886cf11f1b0571e5073d508243f68c869d11b982;hb=fa5cf2acaacf73e4848f1f29d235e681a495e9f5;hpb=dfd331a43606073aabc96318d736a21d2ec56616 diff --git a/door_daemon_go/unix_socket_server.go b/door_daemon_go/unix_socket_server.go index 886cf11..14b9226 100644 --- a/door_daemon_go/unix_socket_server.go +++ b/door_daemon_go/unix_socket_server.go @@ -5,6 +5,8 @@ import "bufio" import "strings" import "os" import "io" +import "termios" +import "flag" var cmdHandler = map[string]func([]string,string,*bufio.ReadWriter ) { "test":handleCmdTest, @@ -14,7 +16,7 @@ var cmdHandler = map[string]func([]string,string,*bufio.ReadWriter ) { } -func readLineSafe(rw *bufio.ReadWriter) (string, error) { +func readLineSafe(rw *bufio.Reader) (string, error) { wasPrefix:=false var line string for isPrefix:=true;isPrefix; { @@ -32,16 +34,16 @@ func readLineSafe(rw *bufio.ReadWriter) (string, error) { } if wasPrefix { fmt.Println("line too long") - fmt.Fprintf(rw,"line too long\n") - rw.Flush() + //fmt.Fprintf(rw,"line too long\n") + //rw.Flush() return "",nil } return line,nil } func connToReadWriter(c io.Reader,cw io.Writer) (*bufio.ReadWriter) { - client_r := bufio.NewReaderSize(c,14) - client_w := bufio.NewWriterSize(cw,14) + client_r := bufio.NewReaderSize(c,1024) + client_w := bufio.NewWriterSize(cw,1024) return bufio.NewReadWriter(client_r,client_w) } @@ -49,7 +51,7 @@ func handleConnection(c net.Conn) () { client:=connToReadWriter(c,c) fmt.Println("new connection") for { - line,err:=readLineSafe(client) + line,err:=readLineSafe(bufio.NewReader(client)) if err != nil { if err.Error() != "EOF" { fmt.Printf("Error: readLineSafe returned %v\n",err.Error()) @@ -93,29 +95,82 @@ func handleCmdController(tokens []string, remainStr string, client * bufio.ReadW } -func openTTY(name string) *bufio.ReadWriter{ +func openTTY(name string) *os.File { file, err := os.OpenFile(name,os.O_RDWR ,0600) // For read access. if err != nil { fmt.Println(err.Error()) } - return connToReadWriter(file,file) + termios.Ttyfd(file.Fd()) + termios.SetRaw() + return file +} +func usage() { + fmt.Fprintf(os.Stderr, "usage: myprog [inputfile]\n") + flag.PrintDefaults() + os.Exit(2) +} + +func SerialWriter(c chan string, serial * os.File ) { + for { + serial.WriteString(<-c) + serial.Sync() + } +} + +func SerialReader(c chan string , serial * bufio.Reader) { + for { + s,err := readLineSafe(serial) + if (s=="") { + continue + } + if (err!=nil) { + fmt.Printf("Error in read from serial: %v\n",err.Error()) + os.Exit(1) + } + fmt.Printf("Serial: Read %v\n",s); + c<-s + } +} + +func openSerial(filename string) (chan string,chan string) { + serial:=openTTY(filename) + in:=make(chan string) + out:=make(chan string) + //go SerialWriter(out,serial) + go SerialReader(in,bufio.NewReaderSize(serial,128)) + return in,out } +func SerialHandler(serial_i chan string) { + for { + fmt.Printf("Serial said: %v\n",<-serial_i); + } +} func main() { - serial:=openTTY("tty") - serial.WriteString("foo") - serial.Flush() + flag.Usage = usage + flag.Parse() + + args := flag.Args() + if len(args) < 1 { + fmt.Println("Input file is missing."); + os.Exit(1); + } ln, err := net.Listen("unix", "/tmp/test.sock") if err != nil { fmt.Printf("Error: %s\n",err.Error()) return } fmt.Printf("Listener started\n") + + serial_i,serial_o:=openSerial(args[0]) + go SerialHandler(serial_i) + serial_o<-"f" + for { conn, err := ln.Accept() if err != nil { // handle error - continue + continue } go handleConnection(conn) }