move to utils package

.gitignore

@@ -1,2 +1,3 @@
 tty*
 telegram.db
+.idea

.idea/modules.xml

@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectModuleManager">
-    <modules>
-      <module fileurl="file://$PROJECT_DIR$/.idea/tele-recv.iml" filepath="$PROJECT_DIR$/.idea/tele-recv.iml" />
-    </modules>
-  </component>
-</project>

.idea/tele-recv.iml

@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module type="WEB_MODULE" version="4">
-  <component name="NewModuleRootManager">
-    <content url="file://$MODULE_DIR$" />
-    <orderEntry type="inheritedJdk" />
-    <orderEntry type="sourceFolder" forTests="false" />
-  </component>
-</module>

.idea/vcs.xml

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="VcsDirectoryMappings">
-    <mapping directory="$PROJECT_DIR$" vcs="Git" />
-  </component>
-</project>

.idea/workspace.xml

@@ -1,82 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ChangeListManager">
-    <list default="true" id="ab419b68-984b-4661-bb9a-26bcba1547b3" name="Default Changelist" comment="create test function">
-      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-    </list>
-    <option name="SHOW_DIALOG" value="false" />
-    <option name="HIGHLIGHT_CONFLICTS" value="true" />
-    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
-    <option name="LAST_RESOLUTION" value="IGNORE" />
-  </component>
-  <component name="GOROOT" url="file:///usr/local/Cellar/go/1.15.5/libexec" />
-  <component name="Git.Settings">
-    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
-  </component>
-  <component name="GitToolBoxStore">
-    <option name="projectConfigVersion" value="2" />
-  </component>
-  <component name="ProblemsViewState">
-    <option name="selectedIndex" value="1" />
-  </component>
-  <component name="ProjectId" id="1lm7nLrR9364W3kc4Ropplb4iwV" />
-  <component name="ProjectLevelVcsManager" settingsEditedManually="true" />
-  <component name="ProjectViewState">
-    <option name="hideEmptyMiddlePackages" value="true" />
-    <option name="showLibraryContents" value="true" />
-  </component>
-  <component name="PropertiesComponent">
-    <property name="RunOnceActivity.OpenProjectViewOnStart" value="true" />
-    <property name="RunOnceActivity.ShowReadmeOnStart" value="true" />
-    <property name="WebServerToolWindowFactoryState" value="false" />
-    <property name="go.import.settings.migrated" value="true" />
-    <property name="go.sdk.automatically.set" value="true" />
-    <property name="go.tried.to.enable.integration.vgo.integrator" value="true" />
-    <property name="last_opened_file_path" value="$PROJECT_DIR$" />
-    <property name="node.js.detected.package.eslint" value="true" />
-    <property name="node.js.detected.package.tslint" value="true" />
-    <property name="node.js.path.for.package.eslint" value="project" />
-    <property name="node.js.path.for.package.tslint" value="project" />
-    <property name="node.js.selected.package.eslint" value="(autodetect)" />
-    <property name="node.js.selected.package.tslint" value="(autodetect)" />
-    <property name="settings.editor.selected.configurable" value="reference.settingsdialog.IDE.editor.colors.Console Font" />
-  </component>
-  <component name="SpellCheckerSettings" RuntimeDictionaries="0" Folders="0" CustomDictionaries="0" DefaultDictionary="application-level" UseSingleDictionary="true" transferred="true" />
-  <component name="TaskManager">
-    <task active="true" id="Default" summary="Default task">
-      <changelist id="ab419b68-984b-4661-bb9a-26bcba1547b3" name="Default Changelist" comment="create test function" />
-      <created>1608530373779</created>
-      <option name="number" value="Default" />
-      <option name="presentableId" value="Default" />
-      <updated>1608530373779</updated>
-    </task>
-    <servers />
-  </component>
-  <component name="TypeScriptGeneratedFilesManager">
-    <option name="version" value="3" />
-  </component>
-  <component name="Vcs.Log.Tabs.Properties">
-    <option name="TAB_STATES">
-      <map>
-        <entry key="MAIN">
-          <value>
-            <State />
-          </value>
-        </entry>
-      </map>
-    </option>
-    <option name="oldMeFiltersMigrated" value="true" />
-  </component>
-  <component name="VcsManagerConfiguration">
-    <MESSAGE value="create test function" />
-    <option name="LAST_COMMIT_MESSAGE" value="create test function" />
-  </component>
-  <component name="VgoProject">
-    <integration-enabled>true</integration-enabled>
-    <environment>
-      <map>
-        <entry key="GOPROXY" value="https://goproxy.io" />
-      </map>
-    </environment>
-  </component>
-</project>

cmd/read.go

@@ -1,55 +0,0 @@
-/*
-Copyright © 2020 NAME HERE <EMAIL ADDRESS>
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-package cmd
-
-import (
-	"fmt"
-
-	"github.com/spf13/cobra"
-)
-
-// readCmd represents the read command
-var readCmd = &cobra.Command{
-	Use:   "read",
-	Short: "A brief description of your command",
-	Long: `A longer description that spans multiple lines and likely contains examples
-and usage of using your command. For example:
-
-Cobra is a CLI library for Go that empowers applications.
-This application is a tool to generate the needed files
-to quickly create a Cobra application.`,
-	Run: func(cmd *cobra.Command, args []string) {
-		fmt.Println("read called")
-	},
-}
-
-func init() {
-	rootCmd.AddCommand(readCmd)
-
-	// Here you will define your flags and configuration settings.
-
-	// Cobra supports Persistent Flags which will work for this command
-	// and all subcommands, e.g.:
-	// readCmd.PersistentFlags().String("foo", "", "A help for foo")
-
-	// Cobra supports local flags which will only run when this command
-	// is called directly, e.g.:
-	// readCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
-}
-
-func read() {
-
-}

cmd/start.go

@@ -0,0 +1,104 @@
+/*
+Copyright © 2020 NAME HERE <EMAIL ADDRESS>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+package cmd
+
+import (
+	"fmt"
+	"it2000.com.cn/tele-recv/utils"
+	"log"
+	"os"
+	"os/signal"
+	"syscall"
+
+	"github.com/spf13/cobra"
+)
+
+// startCmd represents the start command
+var startCmd = &cobra.Command{
+	Use:   "start",
+	Short: "A brief description of your command",
+	Long: `A longer description that spans multiple lines and likely contains examples
+and usage of using your command. For example:
+
+Cobra is a CLI library for Go that empowers applications.
+This application is a tool to generate the needed files
+to quickly create a Cobra application.`,
+	Run: start,
+}
+
+var run bool
+
+func init() {
+	rootCmd.AddCommand(startCmd)
+
+	// Here you will define your flags and configuration settings.
+
+	// Cobra supports Persistent Flags which will work for this command
+	// and all subcommands, e.g.:
+	// startCmd.PersistentFlags().String("foo", "", "A help for foo")
+
+	// Cobra supports local flags which will only run when this command
+	// is called directly, e.g.:
+	// startCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
+}
+
+
+func start(cmd *cobra.Command, args []string){
+	// Go signal notification works by sending `os.Signal`
+	// values on a channel. We'll create a channel to
+	// receive these notifications (we'll also make one to
+	// notify us when the program can exit).
+	sigs := make(chan os.Signal, 1)
+	done := make(chan bool, 1)
+
+	// `signal.Notify` registers the given channel to
+	// receive notifications of the specified signals.
+	signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
+	run = true
+
+	// This goroutine executes a blocking receive for
+	// signals. When it gets one it'll print it out
+	// and then notify the program that it can finish.
+	go func() {
+		sig := <-sigs
+		fmt.Println()
+		fmt.Println(sig)
+		run = false
+		done <- true
+	}()
+
+	// The program will wait here until it gets the
+	// expected signal (as indicated by the goroutine
+	// above sending a value on `done`) and then exit.
+	fmt.Println("awaiting signal")
+	for run {
+		if !utils.IsPortOpen() {
+			log.Println("try to open port")
+			err := utils.OpenPort(device, baudrate, bytesize)
+			if err != nil {
+				log.Fatal("error in open serial port ", err)
+			}
+			log.Println("starting read")
+		}
+		buffer, count := utils.ReadPort()
+		if count > 0 {
+			log.Print(string(buffer))
+		}
+	}
+	<-done
+	fmt.Println("exiting")
+
+}

cmd/test.go

@@ -16,11 +16,9 @@ limitations under the License.
 package cmd
 
 import (
-	"fmt"
 	"github.com/spf13/cobra"
-	"github.com/tarm/serial"
+	"it2000.com.cn/tele-recv/utils"
-	"it2000.com.cn/tele-recv/database"
+	"log"
-	"os"
 )
 
 // testCmd represents the test command
@@ -34,18 +32,10 @@ Test load sqlite database and init table`,
 }
 
 func test(cmd *cobra.Command, args []string) {
-	fmt.Println("test called")
+	log.Println("Testing environment")
-	fmt.Println("device :", device)
+	_ = utils.OpenPort(device, baudrate, bytesize)
-	c := &serial.Config{Name: device, Baud: baudrate, Size: bytesize}
-	s, err := serial.OpenPort(c)
-	if err != nil {
-		fmt.Println(err)
-		os.Exit(1)
-	}
-	fmt.Println(c, "opened")
-	_ = s.Close()
 
-	err = database.Init(dbFile, dbInit)
+	err := utils.InitDb(dbFile, dbInit)
 	if err != nil {
 		println("create database error ", err)
 	}

utils/serial.go

@@ -0,0 +1,45 @@
+package utils
+
+import (
+	"github.com/tarm/serial"
+	"io"
+	"log"
+	"time"
+)
+
+var(
+	device string
+	baudrate int
+	bytesize byte
+	port  *serial.Port
+	portOpened bool
+)
+
+func OpenPort(device string, baudrate int, bytesize byte) error {
+	log.Println("opening port device:", device, ", baudrate=", baudrate, ", bytesize=",bytesize)
+	config := &serial.Config{Name: device, Baud: baudrate, Size: bytesize, ReadTimeout: time.Second * 1}
+	var err error
+	port, err = serial.OpenPort(config)
+	if err!=nil {
+		log.Fatalln("error in open serial port ",   err)
+		return err
+	}
+	log.Println("opened port ", port)
+	portOpened = true
+	return nil
+}
+
+func ReadPort() ([]byte, int){
+	buffer := make([]byte, 256)
+	count,err := port.Read(buffer)
+	if err != nil && err != io.EOF {
+		log.Println("error in read port ", err)
+		//TODO: 3 time fail try to
+	}
+	return buffer, count
+}
+
+func IsPortOpen() bool {
+	return portOpened
+}
+

utils/sqlite.go

@@ -1,4 +1,4 @@
-package database
+package utils
 
 import (
 	"database/sql"
@@ -16,7 +16,6 @@ const (
                     [tele_processed] int(1) NOT NULL DEFAULT 0,
                     [tele_text] TEXT NOT NULL    
                 )
-            
 `
 )
 var (
@@ -42,7 +41,7 @@ func getDb(file string, init bool) (*sql.DB, error) {
 	return db, nil
 }
 
-func Init(file string, init bool) error {
+func InitDb(file string, init bool) error {
 	var dbErr error
 	db, dbErr = getDb(file, init)
 	return dbErr