firmware/user workaround: send open if user opens door after timeout_after_open

[svn42.git] / go / door_daemon_zmq / main.go

diff --git a/go/door_daemon_zmq/main.go b/go/door_daemon_zmq/main.go
index 8b359d0..c942219 100644 (file)
--- a/go/door_daemon_zmq/main.go
+++ b/go/door_daemon_zmq/main.go
@@ -3,66 +3,111 @@
 package main
 
 import (
-    "fmt"
-    "os"
-    "flag"
-    "log"
+       "flag"
+       "os"
+       "time"
 )
 
 //~ func StringArrayToByteArray(ss []string) [][]byte {
-    //~ bb := make([][]byte, len(ss))
-    //~ for index, s := range(ss) {
-        //~ bb[index] = []byte(s)
-    //~ }
-    //~ return bb
+//~ bb := make([][]byte, len(ss))
+//~ for index, s := range(ss) {
+//~ bb[index] = []byte(s)
+//~ }
+//~ return bb
 //~ }
 
 // ---------- Main Code -------------
 
 var (
-    cmd_port_ string
-    pub_port_ string
+       cmd_port_      string
+       pub_port_      string
+       door_tty_path_ string
+       enable_syslog_ bool
+       enable_debug_  bool
 )
 
-func usage() {
-    fmt.Fprintf(os.Stderr, "Usage: door_daemon_0mq <door tty device>\n")
-    flag.PrintDefaults()
-}
-
 func init() {
-    flag.StringVar(&cmd_port_, "cmdport", "tcp://localhost:5555", "zmq command socket path")
-    flag.StringVar(&pub_port_, "pubport", "gmp://*:6666", "zmq public/listen socket path")
-    flag.Usage = usage
-    flag.Parse()
+       flag.StringVar(&cmd_port_, "cmdport", "ipc:///run/tuer/door_cmd.ipc", "zmq command socket path")
+       flag.StringVar(&pub_port_, "pubport", "tcp://*:4242", "zmq public/listen socket path")
+       flag.StringVar(&door_tty_path_, "device", "/dev/door", "door tty device path")
+       flag.BoolVar(&enable_syslog_, "syslog", false, "enable logging to syslog")
+       flag.BoolVar(&enable_debug_, "debug", false, "enable debug output")
+       flag.Parse()
 }
 
 func main() {
-    args := flag.Args()
-    if len(args) < 1 {
-        fmt.Fprintf(os.Stderr, "Input file is missing!\n");
-        usage()
-        os.Exit(1);
-    }
-    
-    cmd_chans, pub_chans := ZmqsInit(cmd_port_, pub_port_)   
-    
-    serial_wr, serial_rd, err := OpenAndHandleSerial(args[0], pub_chans.Out())
-    if err != nil {
-        close(serial_wr)
-        panic(err)
-    }
-    
-    serial_wr <- "f"
-    firmware_version := <- serial_rd
-    log.Print("Firmware version:", firmware_version)
+       if enable_syslog_ {
+               LogEnableSyslog()
+       }
+       if enable_debug_ {
+               LogEnableDebuglog()
+       }
+       Syslog_.Print("started")
+       defer Syslog_.Print("exiting")
+
+       zmqctx, cmd_chans, pub_chans := ZmqsInit(cmd_port_, pub_port_)
+       defer cmd_chans.Close()
+       defer pub_chans.Close()
+       defer zmqctx.Close()
+
+       serial_wr, serial_rd, err := OpenAndHandleSerial(door_tty_path_, 0)
+       defer close(serial_wr)
+       if err != nil {
+               panic(err)
+       }
+
+       workaround_in_chan := WorkaroundFirmware(serial_wr)
+       defer close(workaround_in_chan)
 
-    for incoming_request := range cmd_chans.In() {
-        reply, err := HandleCommand(incoming_request, pub_chans.Out(), serial_wr, serial_rd)
-         if err != nil {
-            cmd_chans.Out() <- [][]byte{[]byte("ERROR"), []byte(err.Error())}
-            log.Print(err)
-         } else {
-            cmd_chans.Out() <- reply
-         }        
-    }
+       var next_incoming_serial_is_client_reply bool
+       timeout_chan := make(chan bool)
+       defer close(timeout_chan)
+       for {
+               select {
+               case incoming_ser_line, is_notclosed := <-serial_rd:
+                       if is_notclosed {
+                               //~ if Syslog_ != nil { Syslog_.Print(ByteArrayToString(incoming_ser_line)) }
+                               if Syslog_ != nil {
+                                       Syslog_.Printf("%s", incoming_ser_line)
+                               }
+                               if next_incoming_serial_is_client_reply {
+                                       next_incoming_serial_is_client_reply = false
+                                       cmd_chans.Out() <- incoming_ser_line
+                               }
+                               pub_chans.Out() <- incoming_ser_line
+                               workaround_in_chan <- incoming_ser_line
+                       } else {
+                               Syslog_.Print("serial device disappeared, exiting")
+                               os.Exit(1)
+                       }
+               case tv, timeout_notclosed := <-timeout_chan:
+                       if timeout_notclosed && tv && next_incoming_serial_is_client_reply {
+                               next_incoming_serial_is_client_reply = false
+                               cmd_chans.Out() <- [][]byte{[]byte("ERROR"), []byte("No reply from firmware")}
+                       }
+               case incoming_request, ic_notclosed := <-cmd_chans.In():
+                       if !ic_notclosed {
+                               Syslog_.Print("zmq socket died, exiting")
+                               os.Exit(2)
+                       }
+                       if string(incoming_request[0]) == "log" {
+                               if len(incoming_request) < 2 {
+                                       cmd_chans.Out() <- [][]byte{[]byte("ERROR"), []byte("argument missing")}
+                                       continue
+                               }
+                               Syslog_.Printf("Log: %s", incoming_request[1:])
+                               cmd_chans.Out() <- [][]byte{[]byte("Ok")}
+                               continue
+                       }
+                       Syslog_.Printf("%s", incoming_request)
+                       if err := HandleCommand(incoming_request, serial_wr, serial_rd); err != nil {
+                               out_msg := [][]byte{[]byte("ERROR"), []byte(err.Error())}
+                               cmd_chans.Out() <- out_msg
+                       } else {
+                               pub_chans.Out() <- incoming_request
+                               next_incoming_serial_is_client_reply = true
+                               go func() { time.Sleep(3 * time.Second); timeout_chan <- true }()
+                       }
+               }
+       }
 }