package main
import (
- "errors"
+ "errors"
+ "time"
)
type DoorCmdHandler struct {
- Checker func([][]byte)(error)
- FirmwareChar string
+ Checker func([][]byte) error
+ FirmwareChar string
}
-var cmdToDoorCmdHandler = map[string]DoorCmdHandler {
- "open": DoorCmdHandler{ checkCmdDoorControl, "o"},
- "close": DoorCmdHandler{ checkCmdDoorControl, "c"},
- "toggle": DoorCmdHandler{ checkCmdDoorControl, "t"},
- "status": DoorCmdHandler{ checkCmdNoArgs, "s"},
+var cmdToDoorCmdHandler = map[string]DoorCmdHandler{
+ "open": DoorCmdHandler{checkCmdDoorControl, "o"},
+ "close": DoorCmdHandler{checkCmdDoorControl, "c"},
+ "toggle": DoorCmdHandler{checkCmdDoorControl, "t"},
+ "status": DoorCmdHandler{checkCmdNoArgs, "s"},
}
-// ---------- Command Handling Code -------------
+// ---------- Talk with Firmware directly in response to stuff it sends ------------
-func checkCmdDoorControl(tokens [][]byte) (error) {
- doorctrl_usage := "syntax: <open|close|toggle> <method> <nickname>"
- if len(tokens) < 2 || len(tokens) > 3 {
- return errors.New(doorctrl_usage)
- }
- cmd := string(tokens[0])
- if ! (cmd == "open" || cmd == "close" || cmd == "toggle") {
- return errors.New(doorctrl_usage)
- }
- method := string(tokens[1])
- if ! (method == "Button" || method == "ssh" || method == "SSH" || method == "Phone") {
- return errors.New("method must be one either Button, SSH or Phone")
- }
- if (len(tokens) == 2 || len(tokens[2]) == 0) && method != "Button" {
- return errors.New("Operator nickname must be given")
- }
- return nil
+func WorkaroundFirmware(serial_wr chan string) (in chan [][]byte) {
+ in = make(chan [][]byte, 1)
+ go func() {
+ var last_state_time time.Time
+ var last_door_state string
+ for firmware_output := range in {
+ Debug_.Printf("WorkaroundFirmware Input: %s", firmware_output)
+ if len(firmware_output) > 1 && string(firmware_output[0]) == "State:" {
+ last_state_time = time.Now()
+ last_door_state = string(firmware_output[1])
+ }
+ if len(firmware_output) == 5 &&
+ string(firmware_output[0]) == "Info(ajar):" &&
+ string(firmware_output[4]) == "ajar" &&
+ time.Now().Sub(last_state_time) < 30*time.Second &&
+ last_door_state == "timeout_after_open" {
+ //If we were in state "timeout_after_open" and within 30s the door was openend anyway,
+ //we send another "open" command
+ serial_wr <- cmdToDoorCmdHandler["open"].FirmwareChar
+ Syslog_.Print("Telling Firmware to open, since door was ajar'ed after timeout_after_open")
+ }
+ }
+ }()
+ return in
}
-func checkCmdNoArgs(tokens [][]byte) (error) {
- if len(tokens) != 1 {
- return errors.New("command does not accept arguments")
- }
- return nil
+// ---------- ZMQ Command Handling Code -------------
+
+func checkCmdDoorControl(tokens [][]byte) error {
+ doorctrl_usage := "syntax: <open|close|toggle> <method> <nickname>"
+ if len(tokens) < 2 || len(tokens) > 3 {
+ return errors.New(doorctrl_usage)
+ }
+ cmd := string(tokens[0])
+ if !(cmd == "open" || cmd == "close" || cmd == "toggle") {
+ return errors.New(doorctrl_usage)
+ }
+ method := string(tokens[1])
+ if !(method == "Button" || method == "ssh" || method == "SSH" || method == "Phone") {
+ return errors.New("method must be one either Button, SSH or Phone")
+ }
+ if (len(tokens) == 2 || len(tokens[2]) == 0) && method != "Button" {
+ return errors.New("Operator nickname must be given")
+ }
+ return nil
+}
+
+func checkCmdNoArgs(tokens [][]byte) error {
+ if len(tokens) != 1 {
+ return errors.New("command does not accept arguments")
+ }
+ return nil
}
func HandleCommand(tokens [][]byte, serial_wr chan string, serial_rd chan [][]byte) error {
- if len(tokens) < 1 {
- return errors.New("No Command to handle")
- }
+ if len(tokens) < 1 {
+ return errors.New("No Command to handle")
+ }
- dch, present := cmdToDoorCmdHandler[string(tokens[0])]
- if ! present {
- return errors.New("Unknown Command")
- }
+ dch, present := cmdToDoorCmdHandler[string(tokens[0])]
+ if !present {
+ return errors.New("Unknown Command")
+ }
- if err := dch.Checker(tokens); err != nil {
- return err
- }
+ if err := dch.Checker(tokens); err != nil {
+ return err
+ }
- serial_wr <- dch.FirmwareChar
- return nil
+ serial_wr <- dch.FirmwareChar
+ return nil
}
package main
import (
- "os"
- "flag"
- "time"
+ "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
- door_tty_path_ string
- enable_syslog_ bool
- enable_debug_ bool
+ cmd_port_ string
+ pub_port_ string
+ door_tty_path_ string
+ enable_syslog_ bool
+ enable_debug_ bool
)
func init() {
- 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()
+ 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() {
- if enable_syslog_ { LogEnableSyslog()}
- if enable_debug_ { LogEnableDebuglog()}
- Syslog_.Print("started")
- defer Syslog_.Print("exiting")
+ 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()
- 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)
+ }
- 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)
- 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
- } 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;}()
- }
- }
- }
+ 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 }()
+ }
+ }
+ }
}