minor improvements

application/src/main/data/json/demo/dashboards/gateway_list.json

@@ -1326,7 +1326,7 @@
                   "decimals": null,
                   "funcBody": null,
                   "usePostProcessing": true,
-                  "postFuncBody": "if (value.includes(\"RPC\")) {\n    let parsedValue = value.match(/\\|(\\w+)\\|/);\n    parsedValue = parsedValue ? parsedValue[1] :\n    parsedValue;\n    return parsedValue || value;\n} else return '';"
+                  "postFuncBody": "if (value.includes(\"RPC\")&&!value.includes(\"GRPC\")) {\n    let parsedValue = value.match(/\\|(\\w+)\\|/);\n    parsedValue = parsedValue ? parsedValue[1] :\n    parsedValue;\n    return parsedValue || value;\n} else return '';"
                 },
                 {
                   "name": "SERVICE_LOGS",
@@ -1654,7 +1654,7 @@
                   "decimals": null,
                   "funcBody": null,
                   "usePostProcessing": true,
-                  "postFuncBody": "if (value.includes(\"RPC\")) {\n    let parsedValue = value.match(/\\|(\\w+)\\|/);\n    parsedValue = parsedValue ? parsedValue[1] :\n    parsedValue;\n    return parsedValue || value;\n} else return '';"
+                  "postFuncBody": "if (value.includes(\"RPC\")&&!value.includes(\"GRPC\")) {\n    let parsedValue = value.match(/\\|(\\w+)\\|/);\n    parsedValue = parsedValue ? parsedValue[1] :\n    parsedValue;\n    return parsedValue || value;\n} else return '';"
                 },
                 {
                   "name": "SERVICE_LOGS",

ui-ngx/src/app/modules/home/components/widget/lib/gateway/gateway-configuration.component.html

@@ -481,10 +481,18 @@
               </mat-slide-toggle>
               <mat-slide-toggle color="primary" fxFlex="100" formControlName="keepalivePermitWithoutCalls">
                 {{ 'gateway.permit-without-calls'  | translate }}
+                <mat-icon class="material-icons-outlined suffix-icon slider-icon " aria-hidden="false" aria-label="help-icon"
+                          style="cursor:pointer;"
+                          matTooltip="{{'gateway.hints.permit-without-calls' | translate }}">info
+                </mat-icon>
               </mat-slide-toggle>
               <mat-form-field appearance="outline" fxFlex="calc(50%-15px)" fxFlex.lt-md="100" class="mat-block tb-value-type">
                 <mat-label translate>gateway.server-port</mat-label>
                 <input matInput formControlName="serverPort" type="number" min="0"/>
+                <mat-icon class="mat-form-field-infix pointer-event suffix-icon"
+                          matSuffix style="cursor:pointer;"
+                          matTooltip="{{'gateway.hints.server-port' | translate }}">info_outlined
+                </mat-icon>
                 <mat-error *ngIf="gatewayConfigGroup.get('grpc.serverPort').hasError('required')">
                   {{'gateway.thingsboard-port-required' | translate }}
                 </mat-error>
@@ -501,6 +509,10 @@
               <mat-form-field appearance="outline" fxFlex="calc(50%-15px)" fxFlex.lt-md="100" class="mat-block tb-value-type">
                 <mat-label translate>gateway.grpc-keep-alive-timeout</mat-label>
                 <input matInput formControlName="keepAliveTimeoutMs" type="number" min="0"/>
+                <mat-icon class="mat-form-field-infix pointer-event suffix-icon"
+                          matSuffix style="cursor:pointer;"
+                          matTooltip="{{'gateway.hints.grpc-keep-alive-timeout' | translate }}">info_outlined
+                </mat-icon>
                 <mat-error *ngIf="gatewayConfigGroup.get('grpc.keepAliveTimeoutMs').hasError('required')">
                   {{'gateway.grpc-keep-alive-timeout-required' | translate }}
                 </mat-error>
@@ -514,6 +526,10 @@
               <mat-form-field appearance="outline" fxFlex="calc(50%-15px)" fxFlex.lt-md="100" class="mat-block tb-value-type">
                 <mat-label translate>gateway.grpc-keep-alive</mat-label>
                 <input matInput formControlName="keepAliveTimeMs" type="number" min="0"/>
+                <mat-icon class="mat-form-field-infix pointer-event suffix-icon"
+                          matSuffix style="cursor:pointer;"
+                          matTooltip="{{'gateway.hints.grpc-keep-alive' | translate }}">info_outlined
+                </mat-icon>
                 <mat-error *ngIf="gatewayConfigGroup.get('grpc.keepAliveTimeMs').hasError('required')">
                   {{'gateway.grpc-keep-alive-required' | translate }}
                 </mat-error>
@@ -527,6 +543,10 @@
               <mat-form-field appearance="outline" fxFlex="calc(50%-15px)" fxFlex.lt-md="100" class="mat-block tb-value-type">
                 <mat-label translate>gateway.grpc-min-time-between-pings</mat-label>
                 <input matInput formControlName="minTimeBetweenPingsMs" type="number" min="0"/>
+                <mat-icon class="mat-form-field-infix pointer-event suffix-icon"
+                          matSuffix style="cursor:pointer;"
+                          matTooltip="{{'gateway.hints.grpc-min-time-between-pings' | translate }}">info_outlined
+                </mat-icon>
                 <mat-error *ngIf="gatewayConfigGroup.get('grpc.minTimeBetweenPingsMs').hasError('required')">
                   {{'gateway.grpc-min-time-between-pings-required' | translate }}
                 </mat-error>
@@ -540,6 +560,10 @@
               <mat-form-field appearance="outline" fxFlex="calc(50%-15px)" fxFlex.lt-md="100" class="mat-block tb-value-type">
                 <mat-label translate>gateway.grpc-max-pings-without-data</mat-label>
                 <input matInput formControlName="maxPingsWithoutData" type="number" min="0"/>
+                <mat-icon class="mat-form-field-infix pointer-event suffix-icon"
+                          matSuffix style="cursor:pointer;"
+                          matTooltip="{{'gateway.hints.grpc-max-pings-without-data' | translate }}">info_outlined
+                </mat-icon>
                 <mat-error *ngIf="gatewayConfigGroup.get('grpc.maxPingsWithoutData').hasError('required')">
                   {{'gateway.grpc-max-pings-without-data-required' | translate }}
                 </mat-error>
@@ -553,6 +577,10 @@
               <mat-form-field appearance="outline" fxFlex="calc(50%-15px)" fxFlex.lt-md="100" class="mat-block tb-value-type">
                 <mat-label translate>gateway.grpc-min-ping-interval-without-data</mat-label>
                 <input matInput formControlName="minPingIntervalWithoutDataMs" type="number" min="0"/>
+                <mat-icon class="mat-form-field-infix pointer-event suffix-icon"
+                          matSuffix style="cursor:pointer;"
+                          matTooltip="{{'gateway.hints.grpc-min-ping-interval-without-data' | translate }}">info_outlined
+                </mat-icon>
                 <mat-error *ngIf="gatewayConfigGroup.get('grpc.minPingIntervalWithoutDataMs').hasError('required')">
                   {{'gateway.grpc-min-ping-interval-without-data-required' | translate }}
                 </mat-error>
@@ -576,7 +604,7 @@
               </mat-slide-toggle>
               <mat-form-field appearance="outline" fxFlex="calc(50%-15px)" class="mat-block tb-value-type">
                 <mat-label translate>gateway.statistics.send-period</mat-label>
-                <input matInput formControlName="statsSendPeriodInSeconds" type="number" min="1"/>
+                <input matInput formControlName="statsSendPeriodInSeconds" type="number" min="60"/>
                 <mat-error
                   *ngIf="gatewayConfigGroup.get('thingsboard.statistics.statsSendPeriodInSeconds').hasError('required')">
                   {{'gateway.statistics.send-period-required' | translate }}

ui-ngx/src/app/modules/home/components/widget/lib/gateway/gateway-configuration.component.ts

@@ -155,7 +155,7 @@ export class GatewayConfigurationComponent implements OnInit {
         checkConnectorsConfigurationInSeconds: [60, [Validators.required, Validators.min(1), Validators.pattern(/^-?[0-9]+$/)]],
         statistics: this.fb.group({
           enable: [true, []],
-          statsSendPeriodInSeconds: [3600, [Validators.required, Validators.min(1), Validators.pattern(/^-?[0-9]+$/)]],
+          statsSendPeriodInSeconds: [3600, [Validators.required, Validators.min(60), Validators.pattern(/^-?[0-9]+$/)]],
           commands: this.fb.array([], [])
         }),
         maxPayloadSizeBytes: [1024, [Validators.required, Validators.min(1), Validators.pattern(/^-?[0-9]+$/)]],
@@ -434,6 +434,7 @@ export class GatewayConfigurationComponent implements OnInit {
       grpcGroup.get('serverPort').enable();
       grpcGroup.get('keepAliveTimeMs').enable();
       grpcGroup.get('keepAliveTimeoutMs').enable();
+      grpcGroup.get('keepalivePermitWithoutCalls').enable();
       grpcGroup.get('maxPingsWithoutData').enable();
       grpcGroup.get('minTimeBetweenPingsMs').enable();
       grpcGroup.get('minPingIntervalWithoutDataMs').enable();
@@ -441,6 +442,7 @@ export class GatewayConfigurationComponent implements OnInit {
       grpcGroup.get('serverPort').disable();
       grpcGroup.get('keepAliveTimeMs').disable();
       grpcGroup.get('keepAliveTimeoutMs').disable();
+      grpcGroup.get('keepalivePermitWithoutCalls').disable();
       grpcGroup.get('maxPingsWithoutData').disable();
       grpcGroup.get('minTimeBetweenPingsMs').disable();
       grpcGroup.get('minPingIntervalWithoutDataMs').disable();

ui-ngx/src/app/modules/home/components/widget/lib/gateway/gateway-service-rpc.component.html

@@ -27,7 +27,11 @@
   </mat-form-field>
   <mat-form-field class="mat-block tb-value-type" fxFlex *ngIf="!isConnector">
     <mat-label>{{'gateway.statistics.timeout-ms' | translate}}</mat-label>
-    <input matInput formControlName="time" type="number"/>
+    <input matInput formControlName="time" type="number" min="1"/>
+    <mat-error
+      *ngIf="commandForm.get('time').hasError('min')">
+      {{'gateway.statistics.timeout-min' | translate }}
+    </mat-error>
   </mat-form-field>
   <mat-form-field class="mat-block tb-value-type" fxFlex *ngIf="isConnector">
     <mat-label>{{'widget-config.datasource-parameters' | translate}}</mat-label>

ui-ngx/src/app/modules/home/components/widget/lib/gateway/gateway-service-rpc.component.ts

@@ -76,7 +76,7 @@ export class GatewayServiceRPCComponent extends PageComponent implements AfterVi
     super(store);
     this.commandForm = this.fb.group({
       command: [null,[Validators.required]],
-      time: [60, [Validators.required]],
+      time: [60, [Validators.required, Validators.min(1)]],
       params: ["{}", [Validators.required]],
       result: [null]
     })

ui-ngx/src/assets/locale/locale.constant-en_US.json

@@ -2693,7 +2693,7 @@
         },
         "min-pack-send-delay": "Min pack send delay (in ms)",
         "min-pack-send-delay-required": "Min pack send delay is required",
-        "min-pack-send-delay-min": "Min pack send delay can not be less then 1",
+        "min-pack-send-delay-min": "Min pack send delay can not be less then 0",
         "no-connectors": "No connectors",
         "no-data": "No configurations",
         "no-gateway-found": "No gateway found.",
@@ -2725,7 +2725,7 @@
             "commands": "Commands",
             "send-period": "Statistic send period (in sec)",
             "send-period-required": "Statistic send period is required",
-            "send-period-min": "Statistic send period can not be less then 1",
+            "send-period-min": "Statistic send period can not be less then 60",
             "send-period-pattern": "Statistic send period is not valid",
             "check-connectors-configuration": "Check connectors configuration (in ms)",
             "check-connectors-configuration-required": "Check connectors configuration is required",
@@ -2841,7 +2841,14 @@
             "inactivity-timeout": "Inactivity device time after whose the gateway will disconnect device",
             "inactivity-period": "Periodicity of device activity check",
             "minimal-pack-delay": "Delay between sending packets (Decreasing this setting results in increased CPU usage)",
-            "qos": "Quality of Service in MQTT messaging (0 - at most once, 1 - at least once)"
+            "qos": "Quality of Service in MQTT messaging (0 - at most once, 1 - at least once)",
+            "server-port": "Network port on which GRPC server will listen for incoming connections.",
+            "grpc-keep-alive-timeout": "Maximum time (in milliseconds) the server should wait for a keepalive ping response before considering the connection dead.",
+            "grpc-keep-alive": "Duration (in milliseconds) between two successive keepalive ping messages when there is no active RPC call.",
+            "grpc-min-time-between-pings": "Minimum amount of time (in milliseconds) the server should wait between sending keepalive ping messages",
+            "grpc-max-pings-without-data": "Maximum number of keepalive ping messages that the server can send without receiving any data before it considers the connection dead.",
+            "grpc-min-ping-interval-without-data": "Minimum amount of time (in milliseconds) the server should wait between sending keepalive ping messages when there is no data being sent or received.",
+            "permit-without-calls": "Allow server to keep the GRPC connection alive even when there are no active RPC calls."
         }
     },
     "grid": {