UI: Add SNMP device profile configuration

@@ -99,7 +99,6 @@ import { DeviceProfileDialogComponent } from '@home/components/profile/device-pr
 import { DeviceProfileAutocompleteComponent } from '@home/components/profile/device-profile-autocomplete.component';
 import { MqttDeviceProfileTransportConfigurationComponent } from '@home/components/profile/device/mqtt-device-profile-transport-configuration.component';
 import { CoapDeviceProfileTransportConfigurationComponent } from '@home/components/profile/device/coap-device-profile-transport-configuration.component';
-import { SnmpDeviceProfileTransportConfigurationComponent } from '@home/components/profile/device/snmp-device-profile-transport-configuration.component';
 import { DeviceProfileAlarmsComponent } from '@home/components/profile/alarm/device-profile-alarms.component';
 import { DeviceProfileAlarmComponent } from '@home/components/profile/alarm/device-profile-alarm.component';
 import { CreateAlarmRulesComponent } from '@home/components/profile/alarm/create-alarm-rules.component';
@@ -143,6 +142,7 @@ import { SecurityConfigLwm2mComponent } from '@home/components/device/security-c
 import { SecurityConfigLwm2mServerComponent } from '@home/components/device/security-config-lwm2m-server.component';
 import { DashboardImageDialogComponent } from '@home/components/dashboard-page/dashboard-image-dialog.component';
 import { WidgetContainerComponent } from '@home/components/widget/widget-container.component';
+import { SnmpDeviceProfileTransportModule } from '@home/components/profile/device/snpm/snmp-device-profile-transport.module';
 
 @NgModule({
   declarations:
@@ -228,7 +228,6 @@ import { WidgetContainerComponent } from '@home/components/widget/widget-contain
       DefaultDeviceProfileTransportConfigurationComponent,
       MqttDeviceProfileTransportConfigurationComponent,
       CoapDeviceProfileTransportConfigurationComponent,
-      SnmpDeviceProfileTransportConfigurationComponent,
       DeviceProfileTransportConfigurationComponent,
       CreateAlarmRulesComponent,
       AlarmRuleComponent,
@@ -272,6 +271,7 @@ import { WidgetContainerComponent } from '@home/components/widget/widget-contain
     SharedModule,
     SharedHomeComponentsModule,
     Lwm2mProfileComponentsModule,
+    SnmpDeviceProfileTransportModule,
     StatesControllerModule
   ],
   exports: [
@@ -339,7 +339,6 @@ import { WidgetContainerComponent } from '@home/components/widget/widget-contain
     DefaultDeviceProfileTransportConfigurationComponent,
     MqttDeviceProfileTransportConfigurationComponent,
     CoapDeviceProfileTransportConfigurationComponent,
-    SnmpDeviceProfileTransportConfigurationComponent,
     DeviceProfileTransportConfigurationComponent,
     CreateAlarmRulesComponent,
     AlarmRuleComponent,

@@ -89,7 +89,9 @@ export class DeviceProfileTransportConfigurationComponent implements ControlValu
     if (configuration) {
       delete configuration.type;
     }
-    this.deviceProfileTransportConfigurationFormGroup.patchValue({configuration}, {emitEvent: false});
+    setTimeout(() => {
+      this.deviceProfileTransportConfigurationFormGroup.patchValue({configuration}, {emitEvent: false});
+    });
   }
 
   private updateModel() {

-<!--
-
-    Copyright © 2016-2021 The Thingsboard Authors
-
-    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.
-
--->
-<form [formGroup]="snmpDeviceProfileTransportConfigurationFormGroup" style="padding-bottom: 16px;">
-    <tb-json-object-edit
-      required
-      formControlName="configuration">
-    </tb-json-object-edit>
-</form>

+<!--
+
+    Copyright © 2016-2021 The Thingsboard Authors
+
+    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.
+
+-->
+<div fxLayout="column">
+  <div *ngFor="let deviceProfileCommunication of communicationConfigFormArray().controls; let $index = index;
+               last as isLast;" fxLayout="row" fxLayoutAlign="start center"
+       fxLayoutGap="8px" class="scope-row" [formGroup]="deviceProfileCommunication">
+    <div class="communication-config" fxFlex fxLayout="row" fxLayoutGap="8px" fxLayoutAlign="start">
+      <mat-form-field class="spec mat-block" floatLabel="always" hideRequiredMarker>
+        <mat-label translate>device-profile.snmp.scope</mat-label>
+        <mat-select formControlName="spec" required>
+          <mat-option *ngFor="let snmpSpecType of snmpSpecTypes" [value]="snmpSpecType"
+                      [disabled]="isDisabledSeverity(snmpSpecType, $index)">
+            {{ snmpSpecTypeTranslationMap.get(snmpSpecType) }}
+          </mat-option>
+        </mat-select>
+        <mat-error *ngIf="deviceProfileCommunication.get('spec').hasError('required')">
+          {{ 'device-profile.snmp.scope-required' | translate }}
+        </mat-error>
+      </mat-form-field>
+      <mat-divider vertical></mat-divider>
+      <section fxFlex fxLayout="column">
+        <mat-form-field *ngIf="isShowFrequency(deviceProfileCommunication.get('spec').value)">
+          <mat-label translate>device-profile.snmp.querying-frequency</mat-label>
+          <input matInput formControlName="queryingFrequencyMs" type="number" min="0" required/>
+          <mat-error *ngIf="deviceProfileCommunication.get('queryingFrequencyMs').hasError('required')">
+            {{ 'device-profile.snmp.querying-frequency-required' | translate }}
+          </mat-error>
+          <mat-error *ngIf="deviceProfileCommunication.get('queryingFrequencyMs').hasError('pattern') ||
+    deviceProfileCommunication.get('queryingFrequencyMs').hasError('min')">
+            {{ 'device-profile.snmp.querying-frequency-invalid-format' | translate }}
+          </mat-error>
+        </mat-form-field>
+        <tb-snmp-device-profile-mapping formControlName="mappings">
+        </tb-snmp-device-profile-mapping>
+      </section>
+    </div>
+    <button *ngIf="!disabled"
+            mat-icon-button color="primary" style="min-width: 40px;"
+            type="button"
+            (click)="removeCommunicationConfig($index)"
+            matTooltip="{{ 'action.remove' | translate }}"
+            matTooltipPosition="above">
+      <mat-icon>remove_circle_outline</mat-icon>
+    </button>
+  </div>
+  <div *ngIf="!communicationConfigFormArray().controls.length && !disabled">
+      <span fxLayoutAlign="center center" class="tb-prompt required required-text" translate>device-profile.snmp.please-add-communication-config</span>
+  </div>
+  <div *ngIf="!disabled && isAddEnabled">
+    <button mat-stroked-button color="primary"
+            type="button"
+            (click)="addCommunicationConfig()">
+      <mat-icon class="button-icon">add_circle_outline</mat-icon>
+      {{ 'device-profile.snmp.add-communication-config' | translate }}
+    </button>
+  </div>
+</div>

+/**
+ * Copyright © 2016-2021 The Thingsboard Authors
+ *
+ * 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.
+ */
+:host {
+  .communication-config {
+    border: 2px groove rgba(0, 0, 0, 0.25);
+    border-radius: 4px;
+    padding: 8px;
+    min-width: 0;
+  }
+
+  .scope-row {
+    padding-bottom: 8px;
+  }
+
+  .required-text {
+    margin: 16px 0
+  }
+}
+
+:host ::ng-deep {
+  .mat-form-field.spec {
+    .mat-form-field-infix {
+      width: 160px;
+    }
+  }
+  .button-icon{
+    font-size: 20px;
+    width: 20px;
+    height: 20px;
+  }
+}

+///
+/// Copyright © 2016-2021 The Thingsboard Authors
+///
+/// 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.
+///
+
+import { Component, forwardRef, Input, OnDestroy, OnInit } from '@angular/core';
+import {
+  AbstractControl,
+  ControlValueAccessor,
+  FormArray,
+  FormBuilder,
+  FormGroup,
+  NG_VALIDATORS,
+  NG_VALUE_ACCESSOR,
+  Validator,
+  Validators
+} from '@angular/forms';
+import { SnmpCommunicationConfig, SnmpSpecType, SnmpSpecTypeTranslationMap } from '@shared/models/device.models';
+import { Subject, Subscription } from 'rxjs';
+import { isUndefinedOrNull } from '@core/utils';
+import { takeUntil } from 'rxjs/operators';
+
+@Component({
+  selector: 'tb-snmp-device-profile-communication-config',
+  templateUrl: './snmp-device-profile-communication-config.component.html',
+  styleUrls: ['./snmp-device-profile-communication-config.component.scss'],
+  providers: [
+    {
+      provide: NG_VALUE_ACCESSOR,
+      useExisting: forwardRef(() => SnmpDeviceProfileCommunicationConfigComponent),
+      multi: true
+    },
+    {
+      provide: NG_VALIDATORS,
+      useExisting: forwardRef(() => SnmpDeviceProfileCommunicationConfigComponent),
+      multi: true
+    }]
+})
+export class SnmpDeviceProfileCommunicationConfigComponent implements OnInit, OnDestroy, ControlValueAccessor, Validator {
+
+  snmpSpecTypes = Object.values(SnmpSpecType);
+  snmpSpecTypeTranslationMap = SnmpSpecTypeTranslationMap;
+
+  deviceProfileCommunicationConfig: FormGroup;
+
+  @Input()
+  disabled: boolean;
+
+  private usedSpecType: SnmpSpecType[] = [];
+  private valueChange$: Subscription = null;
+  private destroy$ = new Subject();
+  private propagateChange = (v: any) => { };
+
+  constructor(private fb: FormBuilder) { }
+
+  ngOnInit(): void {
+    this.deviceProfileCommunicationConfig = this.fb.group({
+      communicationConfig: this.fb.array([])
+    });
+  }
+
+  ngOnDestroy() {
+    if (this.valueChange$) {
+      this.valueChange$.unsubscribe();
+    }
+    this.destroy$.next();
+    this.destroy$.complete();
+  }
+
+  communicationConfigFormArray(): FormArray {
+    return this.deviceProfileCommunicationConfig.get('communicationConfig') as FormArray;
+  }
+
+  registerOnChange(fn: any): void {
+    this.propagateChange = fn;
+  }
+
+  registerOnTouched(fn: any): void {
+  }
+
+  setDisabledState(isDisabled: boolean) {
+    this.disabled = isDisabled;
+    if (this.disabled) {
+      this.deviceProfileCommunicationConfig.disable({emitEvent: false});
+    } else {
+      this.deviceProfileCommunicationConfig.enable({emitEvent: false});
+    }
+  }
+
+  writeValue(communicationConfig: SnmpCommunicationConfig[]) {
+    if (this.valueChange$) {
+      this.valueChange$.unsubscribe();
+    }
+    const communicationConfigControl: Array<AbstractControl> = [];
+    if (communicationConfig) {
+      communicationConfig.forEach((config) => {
+        communicationConfigControl.push(this.createdFormGroup(config));
+      });
+    }
+    this.deviceProfileCommunicationConfig.setControl('communicationConfig', this.fb.array(communicationConfigControl));
+    if (!communicationConfig || !communicationConfig.length) {
+      this.addCommunicationConfig();
+    }
+    if (this.disabled) {
+      this.deviceProfileCommunicationConfig.disable({emitEvent: false});
+    } else {
+      this.deviceProfileCommunicationConfig.enable({emitEvent: false});
+    }
+    this.valueChange$ = this.deviceProfileCommunicationConfig.valueChanges.subscribe(() => {
+      this.updateModel();
+    });
+    this.updateUsedSpecType();
+    if (!this.disabled && !this.deviceProfileCommunicationConfig.valid) {
+      this.updateModel();
+    }
+  }
+
+  public validate() {
+    return this.deviceProfileCommunicationConfig.valid && this.deviceProfileCommunicationConfig.value.communicationConfig.length ? null : {
+      communicationConfig: false
+    };
+  }
+
+  public removeCommunicationConfig(index: number) {
+    this.communicationConfigFormArray().removeAt(index);
+  }
+
+
+  get isAddEnabled(): boolean {
+    return this.communicationConfigFormArray().length !== Object.keys(SnmpSpecType).length;
+  }
+
+  public addCommunicationConfig() {
+    this.communicationConfigFormArray().push(this.createdFormGroup());
+    this.deviceProfileCommunicationConfig.updateValueAndValidity();
+    if (!this.deviceProfileCommunicationConfig.valid) {
+      this.updateModel();
+    }
+  }
+
+  private getFirstUnusedSeverity(): SnmpSpecType {
+    for (const type of Object.values(SnmpSpecType)) {
+      if (this.usedSpecType.indexOf(type) === -1) {
+        return type;
+      }
+    }
+    return null;
+  }
+
+  public isDisabledSeverity(type: SnmpSpecType, index: number): boolean {
+    const usedIndex = this.usedSpecType.indexOf(type);
+    return usedIndex > -1 && usedIndex !== index;
+  }
+
+  public isShowFrequency(type: SnmpSpecType): boolean {
+    return type === SnmpSpecType.TELEMETRY_QUERYING || type === SnmpSpecType.CLIENT_ATTRIBUTES_QUERYING;
+  }
+
+  private updateUsedSpecType() {
+    this.usedSpecType = [];
+    const value: SnmpCommunicationConfig[] = this.deviceProfileCommunicationConfig.get('communicationConfig').value;
+    value.forEach((rule, index) => {
+      this.usedSpecType[index] = rule.spec;
+    });
+  }
+
+  private createdFormGroup(value?: SnmpCommunicationConfig): FormGroup {
+    if (isUndefinedOrNull(value)) {
+      value = {
+        spec: this.getFirstUnusedSeverity(),
+        queryingFrequencyMs: 0,
+        mappings: null
+      };
+    }
+    const form = this.fb.group({
+      spec: [value.spec, Validators.required],
+      mappings: [value.mappings]
+    });
+    if (this.isShowFrequency(value.spec)) {
+      form.addControl('queryingFrequencyMs',
+        this.fb.control(value.queryingFrequencyMs, [Validators.required, Validators.min(0), Validators.pattern('[0-9]*')]));
+    }
+    form.get('spec').valueChanges.pipe(
+      takeUntil(this.destroy$)
+    ).subscribe(spec => {
+      if (this.isShowFrequency(spec)) {
+        form.addControl('queryingFrequencyMs',
+          this.fb.control(0, [Validators.required, Validators.min(0), Validators.pattern('[0-9]*')]));
+      } else {
+        form.removeControl('queryingFrequencyMs');
+      }
+    });
+    return form;
+  }
+
+  private updateModel() {
+    const value: SnmpCommunicationConfig[] = this.deviceProfileCommunicationConfig.get('communicationConfig').value;
+    value.forEach(config => {
+      if (!this.isShowFrequency(config.spec)) {
+        delete config.queryingFrequencyMs;
+      }
+    });
+    this.updateUsedSpecType();
+    this.propagateChange(value);
+  }
+
+}

+<!--
+
+    Copyright © 2016-2021 The Thingsboard Authors
+
+    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.
+
+-->
+<div fxFlex fxLayout="column" class="mapping-config">
+  <div fxLayout="row" fxLayoutAlign="start center" fxLayoutGap="8px" fxFlex="100">
+    <div fxFlex fxLayout="row" fxLayoutGap="8px">
+      <label fxFlex="26" class="tb-title no-padding" translate>device-profile.snmp.data-type</label>
+      <label fxFlex="37" class="tb-title no-padding" translate>device-profile.snmp.data-key</label>
+      <label fxFlex="37" class="tb-title no-padding" translate>device-profile.snmp.oid</label>
+      <span style="min-width: 40px" [fxShow]="!disabled"></span>
+    </div>
+  </div>
+  <mat-divider></mat-divider>
+  <div *ngFor="let mappingConfig of mappingsConfigFormArray().controls; let $index = index;
+               last as isLast;" fxLayout="row" fxLayoutAlign="start center"
+       fxLayoutGap="8px" [formGroup]="mappingConfig" class="mapping-list">
+    <div fxFlex fxLayout="row" fxLayoutGap="8px" fxLayoutAlign="start">
+      <mat-form-field fxFlex="26" floatLabel="always" hideRequiredMarker>
+        <mat-label></mat-label>
+        <mat-select formControlName="dataType" required>
+          <mat-option *ngFor="let dataType of dataTypes" [value]="dataType">
+            {{ dataTypesTranslationMap.get(dataType) | translate }}
+          </mat-option>
+        </mat-select>
+        <mat-error *ngIf="mappingConfig.get('dataType').hasError('required')">
+          {{ 'device-profile.snmp.data-type-required' | translate }}
+        </mat-error>
+      </mat-form-field>
+      <mat-form-field floatLabel="always" hideRequiredMarker fxFlex="37">
+        <mat-label></mat-label>
+        <input matInput formControlName="key" required/>
+        <mat-error *ngIf="mappingConfig.get('key').hasError('required')">
+          {{ 'device-profile.snmp.data-key-required' | translate }}
+        </mat-error>
+      </mat-form-field>
+      <mat-form-field floatLabel="always" hideRequiredMarker fxFlex="37">
+        <mat-label></mat-label>
+        <input matInput formControlName="oid" required/>
+        <mat-error *ngIf="mappingConfig.get('oid').hasError('required')">
+          {{ 'device-profile.snmp.oid-required' | translate }}
+        </mat-error>
+        <mat-error *ngIf="mappingConfig.get('oid').hasError('pattern')">
+          {{ 'device-profile.snmp.oid-pattern' | translate }}
+        </mat-error>
+      </mat-form-field>
+      <button *ngIf="!disabled"
+              mat-icon-button color="primary"
+              type="button"
+              (click)="removeMappingConfig($index)"
+              matTooltip="{{ 'action.remove' | translate }}"
+              matTooltipPosition="above">
+        <mat-icon>close</mat-icon>
+      </button>
+    </div>
+  </div>
+  <div *ngIf="!mappingsConfigFormArray().controls.length && !disabled">
+      <span fxLayoutAlign="center center" class="tb-prompt required required-text" translate>device-profile.snmp.please-add-mapping-config</span>
+  </div>
+  <div *ngIf="!disabled">
+    <button mat-stroked-button color="primary"
+            type="button"
+            (click)="addMappingConfig()">
+      <mat-icon class="button-icon">add_circle_outline</mat-icon>
+      {{ 'device-profile.snmp.add-mapping' | translate }}
+    </button>
+  </div>
+</div>

+/**
+ * Copyright © 2016-2021 The Thingsboard Authors
+ *
+ * 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.
+ */
+:host {
+  .mapping-config {
+    min-width: 518px;
+  }
+  .mapping-list {
+    padding-bottom: 8px;
+    height: 46px;
+  }
+
+  .required-text {
+    margin: 14px 0;
+  }
+}
+
+:host ::ng-deep {
+  .mapping-list {
+    mat-form-field {
+      .mat-form-field-wrapper {
+        padding-bottom: 0;
+        .mat-form-field-infix {
+          border-top-width: 0.2em;
+          width: auto;
+          min-width: auto;
+        }
+        .mat-form-field-underline {
+          bottom: 0;
+        }
+      }
+    }
+  }
+}

+///
+/// Copyright © 2016-2021 The Thingsboard Authors
+///
+/// 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.
+///
+
+import { Component, forwardRef, Input, OnDestroy, OnInit } from '@angular/core';
+import {
+  AbstractControl,
+  ControlValueAccessor,
+  FormArray,
+  FormBuilder,
+  FormGroup,
+  NG_VALIDATORS,
+  NG_VALUE_ACCESSOR,
+  ValidationErrors,
+  Validator,
+  Validators
+} from '@angular/forms';
+import { SnmpMapping } from '@shared/models/device.models';
+import { Subscription } from 'rxjs';
+import { DataType, DataTypeTranslationMap } from '@shared/models/constants';
+import { isUndefinedOrNull } from '@core/utils';
+
+@Component({
+  selector: 'tb-snmp-device-profile-mapping',
+  templateUrl: './snmp-device-profile-mapping.component.html',
+  styleUrls: ['./snmp-device-profile-mapping.component.scss'],
+  providers: [
+    {
+      provide: NG_VALUE_ACCESSOR,
+      useExisting: forwardRef(() => SnmpDeviceProfileMappingComponent),
+      multi: true
+    },
+    {
+      provide: NG_VALIDATORS,
+      useExisting: forwardRef(() => SnmpDeviceProfileMappingComponent),
+      multi: true
+    }]
+})
+export class SnmpDeviceProfileMappingComponent implements OnInit, OnDestroy, ControlValueAccessor, Validator {
+
+  mappingsConfigForm: FormGroup;
+
+  dataTypes = Object.values(DataType);
+  dataTypesTranslationMap = DataTypeTranslationMap;
+
+  @Input()
+  disabled: boolean;
+
+  private readonly oidPattern: RegExp  = /^\.?([0-2])((\.0)|(\.[1-9][0-9]*))*$/;
+
+  private valueChange$: Subscription = null;
+  private propagateChange = (v: any) => { };
+
+  constructor(private fb: FormBuilder) { }
+
+  ngOnInit() {
+    this.mappingsConfigForm = this.fb.group({
+      mappings: this.fb.array([])
+    });
+  }
+
+  ngOnDestroy() {
+    if (this.valueChange$) {
+      this.valueChange$.unsubscribe();
+    }
+  }
+
+  registerOnChange(fn: any) {
+    this.propagateChange = fn;
+  }
+
+  registerOnTouched(fn: any) {
+  }
+
+  setDisabledState(isDisabled: boolean) {
+    this.disabled = isDisabled;
+    if (this.disabled) {
+      this.mappingsConfigForm.disable({emitEvent: false});
+    } else {
+      this.mappingsConfigForm.enable({emitEvent: false});
+    }
+  }
+
+  validate(): ValidationErrors | null {
+    return this.mappingsConfigForm.valid && this.mappingsConfigForm.value.mappings.length ? null : {
+      mapping: false
+    };
+  }
+
+  writeValue(mappings: SnmpMapping[]) {
+    if (this.valueChange$) {
+      this.valueChange$.unsubscribe();
+    }
+    const mappingsControl: Array<AbstractControl> = [];
+    if (mappings) {
+      mappings.forEach((config) => {
+        mappingsControl.push(this.createdFormGroup(config));
+      });
+    }
+    this.mappingsConfigForm.setControl('mappings', this.fb.array(mappingsControl));
+    if (!mappings || !mappings.length) {
+      this.addMappingConfig();
+    }
+    if (this.disabled) {
+      this.mappingsConfigForm.disable({emitEvent: false});
+    } else {
+      this.mappingsConfigForm.enable({emitEvent: false});
+    }
+    this.valueChange$ = this.mappingsConfigForm.valueChanges.subscribe(() => {
+      this.updateModel();
+    });
+    if (!this.disabled && !this.mappingsConfigForm.valid) {
+      this.updateModel();
+    }
+  }
+
+  mappingsConfigFormArray(): FormArray {
+    return this.mappingsConfigForm.get('mappings') as FormArray;
+  }
+
+  public addMappingConfig() {
+    this.mappingsConfigFormArray().push(this.createdFormGroup());
+    this.mappingsConfigForm.updateValueAndValidity();
+    if (!this.mappingsConfigForm.valid) {
+      this.updateModel();
+    }
+  }
+
+  public removeMappingConfig(index: number) {
+    this.mappingsConfigFormArray().removeAt(index);
+  }
+
+  private createdFormGroup(value?: SnmpMapping): FormGroup {
+    if (isUndefinedOrNull(value)) {
+      value = {
+        dataType: DataType.STRING,
+        key: '',
+        oid: ''
+      };
+    }
+    return this.fb.group({
+      dataType: [value.dataType, Validators.required],
+      key: [value.key, Validators.required],
+      oid: [value.oid, [Validators.required, Validators.pattern(this.oidPattern)]]
+    });
+  }
+
+  private updateModel() {
+    const value: SnmpMapping[] = this.mappingsConfigForm.get('mappings').value;
+    this.propagateChange(value);
+  }
+
+}

+<!--
+
+    Copyright © 2016-2021 The Thingsboard Authors
+
+    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.
+
+-->
+<form [formGroup]="snmpDeviceProfileTransportConfigurationFormGroup" style="padding: 8px 0 16px;">
+  <section fxLayout="row" fxLayoutGap="8px" fxLayout.xs="column">
+    <mat-form-field fxFlex>
+      <mat-label translate>device-profile.snmp.timeout-ms</mat-label>
+      <input matInput formControlName="timeoutMs" type="number" min="0" required/>
+      <mat-error *ngIf="snmpDeviceProfileTransportConfigurationFormGroup.get('timeoutMs').hasError('required')">
+        {{ 'device-profile.snmp.timeout-ms-required' | translate }}
+      </mat-error>
+      <mat-error *ngIf="snmpDeviceProfileTransportConfigurationFormGroup.get('timeoutMs').hasError('pattern') ||
+    snmpDeviceProfileTransportConfigurationFormGroup.get('timeoutMs').hasError('min')">
+        {{ 'device-profile.snmp.timeout-ms-invalid-format' | translate }}
+      </mat-error>
+    </mat-form-field>
+    <mat-form-field fxFlex>
+      <mat-label translate>device-profile.snmp.retries</mat-label>
+      <input matInput formControlName="retries" type="number" min="0" required/>
+      <mat-error *ngIf="snmpDeviceProfileTransportConfigurationFormGroup.get('retries').hasError('required')">
+        {{ 'device-profile.snmp.retries-required' | translate }}
+      </mat-error>
+      <mat-error *ngIf="snmpDeviceProfileTransportConfigurationFormGroup.get('retries').hasError('pattern') ||
+    snmpDeviceProfileTransportConfigurationFormGroup.get('retries').hasError('min')">
+        {{ 'device-profile.snmp.retries-invalid-format' | translate }}
+      </mat-error>
+    </mat-form-field>
+  </section>
+  <div class="tb-small" style="padding-bottom: 8px" translate>device-profile.snmp.communication-configs</div>
+  <tb-snmp-device-profile-communication-config formControlName="communicationConfigs">
+  </tb-snmp-device-profile-communication-config>
+</form>

@@ -15,9 +15,16 @@
 ///
 
 import { Component, forwardRef, Input, OnDestroy, OnInit } from '@angular/core';
-import { ControlValueAccessor, FormBuilder, FormGroup, NG_VALUE_ACCESSOR, Validators } from '@angular/forms';
-import { Store } from '@ngrx/store';
-import { AppState } from '@app/core/core.state';
+import {
+  ControlValueAccessor,
+  FormBuilder,
+  FormGroup,
+  NG_VALIDATORS,
+  NG_VALUE_ACCESSOR,
+  ValidationErrors,
+  Validator,
+  Validators
+} from '@angular/forms';
 import { coerceBooleanProperty } from '@angular/cdk/coercion';
 import {
   DeviceProfileTransportConfiguration,
@@ -40,19 +47,24 @@ export interface OidMappingConfiguration {
   selector: 'tb-snmp-device-profile-transport-configuration',
   templateUrl: './snmp-device-profile-transport-configuration.component.html',
   styleUrls: [],
-  providers: [{
-    provide: NG_VALUE_ACCESSOR,
-    useExisting: forwardRef(() => SnmpDeviceProfileTransportConfigurationComponent),
-    multi: true
-  }]
+  providers: [
+    {
+      provide: NG_VALUE_ACCESSOR,
+      useExisting: forwardRef(() => SnmpDeviceProfileTransportConfigurationComponent),
+      multi: true
+    },
+    {
+      provide: NG_VALIDATORS,
+      useExisting: forwardRef(() => SnmpDeviceProfileTransportConfigurationComponent),
+      multi: true
+    }]
 })
-export class SnmpDeviceProfileTransportConfigurationComponent implements ControlValueAccessor, OnInit, OnDestroy {
+export class SnmpDeviceProfileTransportConfigurationComponent implements OnInit, OnDestroy, ControlValueAccessor, Validator {
 
   snmpDeviceProfileTransportConfigurationFormGroup: FormGroup;
 
   private destroy$ = new Subject();
   private requiredValue: boolean;
-  private configuration = [];
 
   get required(): boolean {
     return this.requiredValue;
@@ -69,12 +81,14 @@ export class SnmpDeviceProfileTransportConfigurationComponent implements Control
   private propagateChange = (v: any) => {
   }
 
-  constructor(private store: Store<AppState>, private fb: FormBuilder) {
+  constructor(private fb: FormBuilder) {
   }
 
   ngOnInit(): void {
     this.snmpDeviceProfileTransportConfigurationFormGroup = this.fb.group({
-      configuration: [null, Validators.required]
+      timeoutMs: [0, [Validators.required, Validators.min(0), Validators.pattern('[0-9]*')]],
+      retries: [0, [Validators.required, Validators.min(0), Validators.pattern('[0-9]*')]],
+      communicationConfigs: [null, Validators.required],
     });
     this.snmpDeviceProfileTransportConfigurationFormGroup.valueChanges.pipe(
       takeUntil(this.destroy$)
@@ -95,18 +109,33 @@ export class SnmpDeviceProfileTransportConfigurationComponent implements Control
   registerOnTouched(fn: any): void {
   }
 
+  setDisabledState(isDisabled: boolean) {
+    this.disabled = isDisabled;
+    if (this.disabled) {
+      this.snmpDeviceProfileTransportConfigurationFormGroup.disable({emitEvent: false});
+    } else {
+      this.snmpDeviceProfileTransportConfigurationFormGroup.enable({emitEvent: false});
+    }
+  }
+
   writeValue(value: SnmpDeviceProfileTransportConfiguration | null): void {
     if (isDefinedAndNotNull(value)) {
-      this.snmpDeviceProfileTransportConfigurationFormGroup.patchValue({configuration: value}, {emitEvent: false});
+      this.snmpDeviceProfileTransportConfigurationFormGroup.patchValue(value, {emitEvent: !value.communicationConfigs});
     }
   }
 
   private updateModel() {
     let configuration: DeviceProfileTransportConfiguration = null;
     if (this.snmpDeviceProfileTransportConfigurationFormGroup.valid) {
-      configuration = this.snmpDeviceProfileTransportConfigurationFormGroup.getRawValue().configuration;
+      configuration = this.snmpDeviceProfileTransportConfigurationFormGroup.getRawValue();
       configuration.type = DeviceTransportType.SNMP;
     }
     this.propagateChange(configuration);
   }
+
+  validate(): ValidationErrors | null {
+    return this.snmpDeviceProfileTransportConfigurationFormGroup.valid ? null : {
+      snmpDeviceProfileTransportConfiguration: false
+    };
+  }
 }

+///
+/// Copyright © 2016-2021 The Thingsboard Authors
+///
+/// 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.
+///
+
+import { NgModule } from '@angular/core';
+import { SharedModule } from '@shared/shared.module';
+import { CommonModule } from '@angular/common';
+import { SnmpDeviceProfileTransportConfigurationComponent } from '@home/components/profile/device/snpm/snmp-device-profile-transport-configuration.component';
+import { SnmpDeviceProfileCommunicationConfigComponent } from './snmp-device-profile-communication-config.component';
+import { SnmpDeviceProfileMappingComponent } from './snmp-device-profile-mapping.component';
+
+@NgModule({
+  declarations: [
+    SnmpDeviceProfileTransportConfigurationComponent,
+    SnmpDeviceProfileCommunicationConfigComponent,
+    SnmpDeviceProfileMappingComponent
+  ],
+  imports: [
+    CommonModule,
+    SharedModule
+  ],
+  exports: [
+    SnmpDeviceProfileTransportConfigurationComponent
+  ]
+})
+export class SnmpDeviceProfileTransportModule { }

@@ -147,6 +147,22 @@ export enum ValueType {
   JSON = 'JSON'
 }
 
+export enum DataType {
+  STRING = 'STRING',
+  LONG = 'LONG',
+  BOOLEAN = 'BOOLEAN',
+  DOUBLE = 'DOUBLE',
+  JSON = 'JSON'
+}
+
+export const DataTypeTranslationMap = new Map([
+  [DataType.STRING, 'value.string'],
+  [DataType.LONG, 'value.integer'],
+  [DataType.BOOLEAN, 'value.boolean'],
+  [DataType.DOUBLE, 'value.double'],
+  [DataType.JSON, 'value.json']
+]);
+
 export const valueTypesMap = new Map<ValueType, ValueTypeData>(
   [
     [

@@ -29,6 +29,7 @@ import * as _moment from 'moment';
 import { AbstractControl, ValidationErrors } from '@angular/forms';
 import { OtaPackageId } from '@shared/models/id/ota-package-id';
 import { DashboardId } from '@shared/models/id/dashboard-id';
+import { DataType } from '@shared/models/constants';
 
 export enum DeviceProfileType {
   DEFAULT = 'DEFAULT',
@@ -257,7 +258,35 @@ export interface Lwm2mDeviceProfileTransportConfiguration {
 }
 
 export interface SnmpDeviceProfileTransportConfiguration {
-  [key: string]: any;
+  timeoutMs?: number;
+  retries?: number;
+  communicationConfigs?: SnmpCommunicationConfig[];
+}
+
+export enum SnmpSpecType {
+  TELEMETRY_QUERYING = 'TELEMETRY_QUERYING',
+  CLIENT_ATTRIBUTES_QUERYING = 'CLIENT_ATTRIBUTES_QUERYING',
+  SHARED_ATTRIBUTES_SETTING = 'SHARED_ATTRIBUTES_SETTING',
+  TO_DEVICE_RPC_REQUEST = 'TO_DEVICE_RPC_REQUEST'
+}
+
+export const SnmpSpecTypeTranslationMap = new Map<SnmpSpecType, string>([
+  [SnmpSpecType.TELEMETRY_QUERYING, ' Telemetry'],
+  [SnmpSpecType.CLIENT_ATTRIBUTES_QUERYING, 'Client attributes'],
+  [SnmpSpecType.SHARED_ATTRIBUTES_SETTING, 'Shared attributes'],
+  [SnmpSpecType.TO_DEVICE_RPC_REQUEST, 'RPC request']
+]);
+
+export interface SnmpCommunicationConfig {
+  spec: SnmpSpecType;
+  mappings: SnmpMapping[];
+  queryingFrequencyMs?: number;
+}
+
+export interface SnmpMapping {
+  oid: string;
+  key: string;
+  dataType: DataType;
 }
 
 export type DeviceProfileTransportConfigurations = DefaultDeviceProfileTransportConfiguration &
@@ -332,7 +361,11 @@ export function createDeviceProfileTransportConfiguration(type: DeviceTransportT
         transportConfiguration = {...lwm2mTransportConfiguration, type: DeviceTransportType.LWM2M};
         break;
       case DeviceTransportType.SNMP:
-        const snmpTransportConfiguration: SnmpDeviceProfileTransportConfiguration = {};
+        const snmpTransportConfiguration: SnmpDeviceProfileTransportConfiguration = {
+          timeoutMs: 0,
+          retries: 0,
+          communicationConfigs: null
+        };
         transportConfiguration = {...snmpTransportConfiguration, type: DeviceTransportType.SNMP};
         break;
     }

@@ -1297,6 +1297,31 @@
             "sw-update-recourse": "Software update CoAP recourse",
             "sw-update-recourse-required": "Software update CoAP recourse is required.",
             "config-json-tab": "Json Config Profile Device"
+        },
+        "snmp": {
+            "add-communication-config": "Add communication config",
+            "add-mapping": "Add mapping",
+            "communication-configs": "Communication configs",
+            "data-key": "Data key",
+            "data-key-required": "Data key is required.",
+            "data-type": "Data type",
+            "data-type-required": "Data type is required.",
+            "oid": "OID",
+            "oid-pattern": "Invalid OID format.",
+            "oid-required": "OID is required.",
+            "please-add-communication-config": "Please add communication config",
+            "please-add-mapping-config": "Please add mapping config",
+            "querying-frequency": "Querying frequency, ms",
+            "querying-frequency-invalid-format": "Querying frequency must be a positive integer.",
+            "querying-frequency-required": "Querying frequency is required.",
+            "retries": "Retries",
+            "retries-invalid-format": "Retries must be a positive integer.",
+            "retries-required": "Retries is required.",
+            "scope": "Scope",
+            "scope-required": "Scope is required.",
+            "timeout-ms": "Timeout, ms",
+            "timeout-ms-invalid-format": "Timeout must be a positive integer.",
+            "timeout-ms-required": "Timeout is required."
         }
     },
     "dialog": {