feat: YAB-1785: Group chars before send

Dockerfile

@@ -11,4 +11,4 @@ ENV CGO_ENABLED=1
 ADD ./ /data
 WORKDIR /data
 
-CMD ["make", "docker-deb"]
+CMD ["make", "deb"]

Makefile

@@ -20,6 +20,6 @@ deb: clean build
 	cd ./debian && dpkg-buildpackage -rfakeroot --no-sign --target-arch amd64 --host-arch amd64
 
 docker-deb: clean
-	docker build -t ${BINARY_NAME} .
+	docker image build -t ${BINARY_NAME} .
 	docker container run --name ${BINARY_NAME} ${BINARY_NAME}
 	docker container cp ${BINARY_NAME}:/data ./build

debian/debian/changelog

@@ -3,4 +3,13 @@ yablochkov-keyboard-reader (0.1.0) release; urgency=low
     [ Alexander Terekhin ]
     * Initial version
 
- -- Alexander Terekhin <alex@bearns>  Sun, 03 Dec 2023 17:01:00 +0600
+ -- Alexander Terekhin <alex@bearns>  Sun, 03 Dec 2023 17:01:00 +0600
+
+ yablochkov-keyboard-reader (0.1.1) release; urgency=low
+
+     [ Alexander Terekhin ]
+     * Group chars before sending
+     * Docker build bugfixes
+     * Change serial to model
+
+  -- Alexander Terekhin <alex@bearns>  Sun, 04 Dec 2023 12:35:00 +0300

debian/debian/control

@@ -4,7 +4,7 @@ Priority: optional
 Maintainer: Alexander Terekhin <alex@bearns.me>
 
 Package: yablochkov-keyboard-reader
-Version: 0.1
+Version: 0.1.1
 Architecture: amd64
 Installed-Size: 5008848
 Description: Yablochkov keyboard reader

debian/etc/systemd/system/keyboard-reader.service

@@ -9,7 +9,7 @@ WorkingDirectory=/opt/ocppc
 EnvironmentFile=/opt/conf/configuration_vars.env
 EnvironmentFile=/opt/conf/configuration_vars_model.env
 EnvironmentFile=/opt/conf/configuration_vars_personal.env
-ExecStart=/opt/ocppc/bin/keyboard-reader --serial=OEM_TWN4_B1.64_NKF4.64_STD2.04
+ExecStart=/opt/ocppc/bin/keyboard-reader --model=TWN4_B1.64_NKF4.64_STD2.04
 User=debian
 Group=input
 ExecStop=/bin/kill -TERM $MAINPID

keyboard-reader.go

@@ -15,7 +15,7 @@ const bufferLength = 32
 func main() {
 	device := flag.String("dev", "", "Keyboard device")
 	vendor := flag.String("vendor", "", "Device vendor")
-	serial := flag.String("serial", "", "Device id serial")
+	model := flag.String("model", "", "Device id model")
 	list := flag.Bool("list", false, "List input devices")
 	connectorId := flag.Uint("connector", 0, "Connector id")
 	timeout := flag.Int("timeout", 5, "Http timeout, sec")
@@ -32,7 +32,7 @@ func main() {
 		}
 	}
 
-	if len(*vendor) == 0 && len(*device) == 0 && len(*serial) == 0 && !*list {
+	if len(*vendor) == 0 && len(*device) == 0 && len(*model) == 0 && !*list {
 		flag.Usage()
 	}
 
@@ -40,8 +40,8 @@ func main() {
 		device = getDevByProperty(*vendor, "ID_VENDOR")
 	}
 
-	if len(*serial) > 0 {
-		device = getDevByProperty(*serial, "ID_SERIAL")
+	if len(*model) > 0 {
+		device = getDevByProperty(*model, "ID_MODEL")
 	}
 
 	if device == nil || len(*device) == 0 {
@@ -87,9 +87,7 @@ func main() {
 		}
 
 		if sb.Len() > 0 {
-			id := sb.String()
-			log.Printf("Send '%s'", id)
-			client.Send(id)
+			client.Send(sb.String())
 		}
 	}
 }

rest.go

@@ -9,9 +9,12 @@ import (
 	"log"
 	"net/http"
 	"strings"
+	"sync"
 	"time"
 )
 
+const timeout = 1 * time.Second
+
 type MonitorIdTag struct {
 	ConnectorId uint   `json:"connectorId"`
 	IdTag       string `json:"idTag"`
@@ -32,6 +35,9 @@ type rest struct {
 	connectorId uint
 	url         string
 	timeout     time.Duration
+	mutex       sync.Mutex
+	timer       *time.Timer
+	sb          strings.Builder
 }
 
 func NewRest(connectorId uint, url string, timeout time.Duration) RestInterface {
@@ -40,7 +46,23 @@ func NewRest(connectorId uint, url string, timeout time.Duration) RestInterface
 }
 
 func (r *rest) Send(id string) {
-	go r.send(id)
+	r.mutex.Lock()
+	defer r.mutex.Unlock()
+
+	r.sb.WriteString(id)
+
+	if r.timer != nil {
+		r.timer.Reset(timeout)
+	} else {
+		f := func() {
+			s := r.sb.String()
+			log.Printf("Send '%s'", s)
+			go r.send(s)
+			r.sb.Reset()
+		}
+
+		r.timer = time.AfterFunc(timeout, f)
+	}
 }
 
 func (r *rest) send(id string) {