X-Git-Url: https://git.realraum.at/?a=blobdiff_plain;f=door_daemon_go%2Funix_socket_server.go;h=886cf11f1b0571e5073d508243f68c869d11b982;hb=dfd331a43606073aabc96318d736a21d2ec56616;hp=a2e710a80156058c3544a193b60668829d0f3ad1;hpb=204ca2fe92c8bedf87ab5ae4d1c1bc0660b1a3dd;p=svn42.git diff --git a/door_daemon_go/unix_socket_server.go b/door_daemon_go/unix_socket_server.go index a2e710a..886cf11 100644 --- a/door_daemon_go/unix_socket_server.go +++ b/door_daemon_go/unix_socket_server.go @@ -2,6 +2,17 @@ package main import "fmt" import "net" import "bufio" +import "strings" +import "os" +import "io" + +var cmdHandler = map[string]func([]string,string,*bufio.ReadWriter ) { + "test":handleCmdTest, + "open":handleCmdController, + "close":handleCmdController, + "toggle":handleCmdController, +} + func readLineSafe(rw *bufio.ReadWriter) (string, error) { wasPrefix:=false @@ -28,31 +39,72 @@ func readLineSafe(rw *bufio.ReadWriter) (string, error) { return line,nil } -func connToReadWriter(c net.Conn) (*bufio.ReadWriter) { +func connToReadWriter(c io.Reader,cw io.Writer) (*bufio.ReadWriter) { client_r := bufio.NewReaderSize(c,14) - client_w := bufio.NewWriterSize(c,14) + client_w := bufio.NewWriterSize(cw,14) return bufio.NewReadWriter(client_r,client_w) } func handleConnection(c net.Conn) () { - client:=connToReadWriter(c) + client:=connToReadWriter(c,c) fmt.Println("new connection") for { line,err:=readLineSafe(client) if err != nil { - fmt.Println(err.Error()) + if err.Error() != "EOF" { + fmt.Printf("Error: readLineSafe returned %v\n",err.Error()) + } else { + fmt.Printf("Connection closed by remote host\n"); + } c.Close() return } if line == "" { continue } - fmt.Printf("Received: %v\n", string(line)) + fmt.Printf("Received: %v\n", line) + tokens:=strings.Fields(line) + remainStr:=strings.Join(tokens[1:]," ") + handleCmd(tokens,remainStr,client) } } +func handleCmd(tokens []string, remainStr string,client * bufio.ReadWriter) { + cmd:=tokens[0] + func_ptr,present := cmdHandler[cmd] + if present { + func_ptr(tokens, remainStr,client) + } else { + fmt.Printf("Error: unknown Cmd: %v\n", cmd) + } +} + +func handleCmdTest(tokens []string, remainStr string, client * bufio.ReadWriter) { + //cmd:=tokens[0] + fmt.Printf("Test: %v\n", remainStr) +} + +func handleCmdController(tokens []string, remainStr string, client * bufio.ReadWriter) { + cmd:=tokens[0] + s_r:=strings.NewReader(cmd) + char := make([]byte,1) + s_r.Read(char) + fmt.Println(string(char)) +} + + +func openTTY(name string) *bufio.ReadWriter{ + file, err := os.OpenFile(name,os.O_RDWR ,0600) // For read access. + if err != nil { + fmt.Println(err.Error()) + } + return connToReadWriter(file,file) +} func main() { + serial:=openTTY("tty") + serial.WriteString("foo") + serial.Flush() ln, err := net.Listen("unix", "/tmp/test.sock") if err != nil { fmt.Printf("Error: %s\n",err.Error())