Update config.go, display.go, and 7 more files...

src/config.go

@@ -7,14 +7,12 @@ import (
 )
 
 func readConfig() {
-	viper.SetConfigName("openpdu.yaml") // name of config file (without extension)
+	viper.SetConfigName("openpdu") // name of config file (without extension)
 	viper.SetConfigType("yaml")
-	viper.AddConfigPath("/etc/openpdu/") // path to look for the config file in
 	viper.AddConfigPath(".")             // optionally look for config in the working directory
+	viper.AddConfigPath("/etc/openpdu/") // path to look for the config file in
 	err := viper.ReadInConfig()          // Find and read the config file
 	if err != nil {                      // Handle errors reading the config file
-		log.Printf("Fatal error config file: %s \n", err)
+		log.Printf("Can't read config file: %s \n", err)
 	}
-
-	viper.SetDefault("hostname", "openpdu")
 }

src/display.go

@@ -6,6 +6,7 @@ import (
 	"log"
 	"net"
 
+	"github.com/spf13/viper"
 	"golang.org/x/image/font"
 	"golang.org/x/image/font/basicfont"
 	"golang.org/x/image/math/fixed"
@@ -14,6 +15,18 @@ import (
 	"periph.io/x/periph/devices/ssd1306"
 )
 
+func init() {
+	viper.SetDefault("DisplayType", "none")
+	displayLoop()
+}
+
+func displayLoop() {
+	if viper.GetString("DisplayType") == "ssd1306" {
+		initI2C()
+		go disp()
+	}
+}
+
 func addLabel(img *image.RGBA, x, y int, label string) {
 	col := color.RGBA{200, 100, 0, 255}
 	point := fixed.Point26_6{fixed.Int26_6(x * 64), fixed.Int26_6(y * 64)}

src/main.go

@@ -12,17 +12,14 @@ import (
 // Dictionary aaa
 type Dictionary map[string]interface{}
 
+func init() {
+	viper.SetDefault("hostname", "openpdu")
+}
+
 func main() {
-
 	readConfig()
-
+	go mqttLoop()
-	nam := viper.Get("hostname")
+	log.Printf("hostname: %v\n", viper.Get("hostname"))
-	log.Printf("hostname: %v\n", nam)
-
-	initI2C()
-
-	go disp()
-
 	startServer()
 }
 

src/mqtt.go

@@ -2,32 +2,85 @@ package main
 
 import (
 	"fmt"
-	"os"
+	"time"
 
 	MQTT "github.com/eclipse/paho.mqtt.golang"
+	"github.com/spf13/viper"
 )
 
+var MQTTclient MQTT.Client
+
 func init() {
-	// set the protocol, ip and port of the broker.
+	viper.SetDefault("MqttCliendID", "OpenPDU") // max 23 chars
-	opts := MQTT.NewClientOptions().AddBroker("tcp://localhost:1883")
+	viper.SetDefault("MqttPrefix", "openpdu")   // max 23 chars
+	viper.SetDefault("MqttSchema", "tcp")
+	viper.SetDefault("MqttHost", "localhost")
+	viper.SetDefault("MqttPort", "1883")
+	viper.SetDefault("MqttUsername", "")
+	viper.SetDefault("MqttPassword", "")
 
-	// set the id to the client.
+	// MQTT.ERROR = log.New(os.Stdout, "[ERROR] ", 0)
-	opts.SetClientID("Device-pub")
+	// MQTT.CRITICAL = log.New(os.Stdout, "[CRIT] ", 0)
+	// MQTT.WARN = log.New(os.Stdout, "[WARN]  ", 0)
+	// MQTT.DEBUG = log.New(os.Stdout, "[DEBUG] ", 0)
 
-	// create a new client.
+	//MQTTclient.Subscribe("some_topic", 0, nil);
-	c := MQTT.NewClient(opts)
+	//MQTTclient.Disconnect(250)
-	token := c.Connect()
-	token.Wait()
-	if token.Error() != nil {
-		fmt.Println(token.Error())
-		os.Exit(1)
-	}
-
-	message := "hello this is the trial message"
-	c.Publish("some_topic", 0, false, message)
-
-	//c.Subscribe("some_topic", 0, nil);
-	c.Disconnect(250)
 }
 
 // https://girishjoshi.io/post/golang-paho-mqtt/
+
+func mqttLoop() {
+	uri := viper.GetString("MqttSchema") + "://" + viper.GetString("MqttHost") + ":" + viper.GetString("MqttPort")
+	opts := MQTT.NewClientOptions().AddBroker(uri)
+
+	opts.SetClientID(viper.GetString("MqttCliendID"))
+
+	if username := viper.GetString("MqttUsername"); username != "" {
+		opts.SetUsername(username)
+	}
+
+	if password := viper.GetString("MqttPassword"); password != "" {
+		opts.SetPassword(password)
+	}
+
+	opts.SetAutoReconnect(true)
+	opts.SetConnectRetryInterval(5 * time.Second)
+	opts.SetConnectTimeout(5 * time.Second)
+
+	opts.SetConnectionLostHandler(func(c MQTT.Client, err error) {
+		fmt.Printf("!!!!!! mqtt connection lost error: %s\n" + err.Error())
+	})
+	opts.SetReconnectingHandler(func(c MQTT.Client, options *MQTT.ClientOptions) {
+		fmt.Println("...... mqtt reconnecting ......")
+	})
+	opts.SetOnConnectHandler(func(c MQTT.Client) {
+		fmt.Println("...... mqtt connected ......")
+		//	MQTTclient.Publish("openpdu/status", 0, false, "connected")
+	})
+
+	MQTTclient = MQTT.NewClient(opts)
+
+	for {
+		token := MQTTclient.Connect()
+		token.Wait()
+		if MQTTclient.IsConnected() {
+			break
+		}
+		time.Sleep(5 * time.Second)
+	}
+
+}
+
+func MQTTreconfigure() {
+	if MQTTclient.IsConnected() {
+		MQTTclient.Disconnect(250)
+	}
+	go mqttLoop()
+}
+
+func MQTTpublish(topic string, value string) {
+	if MQTTclient.IsConnected() {
+		MQTTclient.Publish(viper.GetString("MqttPrefix")+"/"+topic, 0, false, value)
+	}
+}

src/mqtt_ui.go

@@ -0,0 +1,56 @@
+package main
+
+import (
+	"strings"
+
+	"github.com/spf13/viper"
+	"gopkg.in/macaron.v1"
+)
+
+func mqttPage(ctx *macaron.Context) {
+	ctx.Data["schema"] = viper.GetString("MqttSchema")
+	ctx.Data["host"] = viper.GetString("MqttHost")
+	ctx.Data["port"] = viper.GetString("MqttPort")
+	ctx.Data["clientid"] = viper.GetString("MqttCliendID")
+	ctx.Data["prefix"] = viper.GetString("MqttPrefix")
+	ctx.Data["username"] = viper.GetString("MqttUsername")
+	ctx.Data["password"] = viper.GetString("MqttPassword")
+
+	ctx.Data["schemas"] = []string{"tcp", "ssl", "ws"}
+	ctx.HTML(200, "mqtt")
+}
+
+type MQTTPostForm struct {
+	Schema   string `form:"schema" binding:"Required"`
+	Host     string `form:"host" binding:"Required"`
+	Port     string `form:"port" binding:"Required"`
+	Prefix   string `form:"prefix" binding:"Required"`
+	ClientID string `form:"clientid" binding:"Required"`
+	Username string `form:"username"`
+	Password string `form:"password"`
+}
+
+func mqttPost(ctx *macaron.Context, f MQTTPostForm) {
+	schema := strings.ToLower(strings.TrimSpace(f.Schema))
+	switch schema {
+	case
+		"tcp",
+		"ssl",
+		"ws":
+		viper.Set("MqttSchema", schema)
+	default:
+		mqttPage(ctx)
+		return
+	}
+
+	viper.Set("MqttHost", strings.ToLower(strings.TrimSpace(f.Host)))
+	viper.Set("MqttPort", strings.ToLower(strings.TrimSpace(f.Port)))
+	viper.Set("MqttCliendID", strings.TrimSpace(f.ClientID))
+	viper.Set("MqttPrefix", strings.TrimSpace(f.Prefix))
+	viper.Set("MqttUsername", strings.TrimSpace(f.Username))
+	viper.Set("MqttPassword", f.Password)
+
+	viper.WriteConfig()
+
+	mqttPage(ctx)
+}

src/webui.go

@@ -6,6 +6,7 @@ import (
 	"net/http"
 	"strconv"
 
+	"github.com/go-macaron/binding"
 	"github.com/go-macaron/pongo2"
 	"gopkg.in/macaron.v1"
 )
@@ -25,6 +26,7 @@ func statusPage(ctx *macaron.Context) {
 }
 
 func jsonStatus(ctx *macaron.Context) {
+	MQTTpublish("openpdu/status", "asdss")
 
 	p0, err := MyBoard.channelStatus(0)
 	if err != nil {
@@ -85,10 +87,12 @@ func jsonOutletToggle(ctx *macaron.Context) {
 	if err != nil {
 		log.Fatal(err)
 	}
+	MQTTpublish("openpdu/toggolo1", string(id))
 	err = MyBoard.channelToggle(uint(id))
 	if err != nil {
 		log.Fatal(err)
 	}
+	MQTTpublish("openpdu/toggolo2", string(id))
 	ctx.JSON(http.StatusOK, Dictionary{
 		"data": "ok",
 	})
@@ -101,6 +105,8 @@ func startServer() {
 	//	m.Get("/", myHandler)
 
 	m.Get("/", statusPage)
+	m.Get("/mqtt", mqttPage)
+	m.Post("/mqtt", binding.Bind(MQTTPostForm{}), mqttPost)
 	m.Get("/json/status", jsonStatus)
 	m.Post("/json/outlet/:id/toggle", jsonOutletToggle)
 

templates/common/sidebar-menu.html

@@ -26,20 +26,33 @@
             </a>
         </li>
   
-        <li class="treeview">
+        {% if pageselected in "lan mqtt ups syslog backup restore" %}
+          <li class="treeview active menu-open">
+        {% else %}
+          <li class="treeview">
+        {% endif %}
+
           <a href="#">
             <i class="fa fa-gears"></i> <span>Settings</span>
             <span class="pull-right-container">
               <i class="fa fa-angle-left pull-right"></i>
             </span>
           </a>
+  
           <ul class="treeview-menu">
-            <li><a href="/settings/lan"><i class="fa fa-circle-o"></i> LAN</a></li>
+            <li><a href="/lan"><i class="fa fa-circle-o"></i> LAN</a></li>
-            <li><a href="/settings/mqtt"><i class="fa fa-circle-o"></i> MQTT</a></li>
+
-            <li><a href="/settings/ups"><i class="fa fa-circle-o"></i> UPS</a></li>
+            {% if pageselected == "mqtt" %}
-            <li><a href="/settings/syslog"><i class="fa fa-circle-o"></i> syslog</a></li>
+              <li class="active">
-            <li><a href="/settings/backup"><i class="fa fa-circle-o"></i> backup</a></li>
+            {% else %}
-            <li><a href="/settings/restore"><i class="fa fa-circle-o"></i> restore</a></li>
+              <li>
+            {% endif %}
+            <a href="/mqtt"><i class="fa fa-circle-o"></i> MQTT</a></li>
+
+            <li><a href="/ups"><i class="fa fa-circle-o"></i> UPS</a></li>
+            <li><a href="/syslog"><i class="fa fa-circle-o"></i> syslog</a></li>
+            <li><a href="/backup"><i class="fa fa-circle-o"></i> backup</a></li>
+            <li><a href="/restore"><i class="fa fa-circle-o"></i> restore</a></li>
           </ul>
         </li>
       </ul>

templates/mqtt.html

@@ -0,0 +1,123 @@
+<!DOCTYPE html>
+<html>
+<head>
+    {% include "common/common-head.html" %}
+</head>
+<body class="hold-transition skin-blue sidebar-mini">
+<div class="wrapper">
+
+    {% include "common/page-header.html" %}
+    {% with pageselected="mqtt" %}
+    {% include "common/sidebar-menu.html" %}
+    {% endwith %}
+
+  <!-- Content Wrapper. Contains page content -->
+  <div class="content-wrapper">
+
+    
+
+    <!-- Main content -->
+    <section class="content">
+
+
+      <div class="row">
+        <div class="col-xs-12">
+
+
+          <div class="box box-info">
+            <div class="box-header with-border">
+              <h3 class="box-title">MQTT configuration</h3>
+            </div>
+            <!-- /.box-header -->
+            <!-- form start -->
+            <form class="form-horizontal" method="post">
+              <div class="box-body">
+               
+                <div class="form-group">
+                  <label for="schema" class="col-sm-2 control-label">Schema</label>
+                  <div class="col-sm-10">
+                    <select class="form-control" id="schema" name="schema">
+                      {% for i in schemas %}
+                        {% if i == schema %}
+                        <option value="{{ i }}" selected>{{ i }}</option>
+                        {% else %}
+                        <option value="{{ i }}">{{ i }}</option>
+                        {% endif %}
+                      {% endfor %}
+                    </select>
+                  </div>
+                </div>
+
+                <div class="form-group">
+                  <label for="host" class="col-sm-2 control-label">Host</label>
+                  <div class="col-sm-10">
+                    <input type="text" class="form-control" id="host" name="host" placeholder="Hostname or IP address" value="{{ host }}">
+                  </div>
+                </div>
+
+                <div class="form-group">
+                  <label for="port" class="col-sm-2 control-label">Port</label>
+                  <div class="col-sm-10">
+                    <input type="text" class="form-control" id="port" name="port" placeholder="1883" value="{{ port }}">
+                  </div>
+                </div>
+
+                <div class="form-group">
+                  <label for="clientid" class="col-sm-2 control-label">Client ID</label>
+                  <div class="col-sm-10">
+                    <input type="text" class="form-control" id="clientid" name="clientid" placeholder="client id" value="{{ clientid }}">
+                  </div>
+                </div>
+
+                <div class="form-group">
+                  <label for="prefix" class="col-sm-2 control-label">Prefix</label>
+                  <div class="col-sm-10">
+                    <input type="text" class="form-control" id="prefix" name="prefix" placeholder="topic prefix" value="{{ prefix }}">
+                  </div>
+                </div>
+
+                <div class="form-group">
+                  <label for="username" class="col-sm-2 control-label">Username</label>
+                  <div class="col-sm-10">
+                    <input type="text" class="form-control" id="username" name="username" placeholder="username (if required)" value="{{ username }}">
+                  </div>
+                </div>
+
+                <div class="form-group">
+                  <label for="password" class="col-sm-2 control-label">Password</label>
+                  <div class="col-sm-10">
+                    <input type="password" class="form-control" id="password" name="password" placeholder="password (if required)" value="{{ password }}">
+                  </div>
+                </div>
+
+
+              </div>
+
+              <!-- /.box-body -->
+              <div class="box-footer">
+                <button type="submit" class="btn btn-info pull-right">Save</button>
+              </div>
+              <!-- /.box-footer -->
+            </form>
+          </div>
+
+        </div>
+        <!-- /.col -->
+      </div>
+      <!-- /.row -->
+
+        </section>
+        <!-- /.content -->
+        </div>
+        <!-- /.content-wrapper -->
+        
+        {% include "common/footer.html" %}
+        
+        </div>
+        <!-- ./wrapper -->
+        
+        {% include "common/common-js.html" %}
+        
+        </body>
+        </html>
+