1 files changed, 0 insertions, 169 deletions
diff --git a/frontend-old/node_modules/@grpc/grpc-js/src/load-balancer-child-handler.ts b/frontend-old/node_modules/@grpc/grpc-js/src/load-balancer-child-handler.ts
deleted file mode 100644
index a4dc90c..0000000
--- a/frontend-old/node_modules/@grpc/grpc-js/src/load-balancer-child-handler.ts
+++ /dev/null
@@ -1,169 +0,0 @@
-/*
- * Copyright 2020 gRPC 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 {
-  LoadBalancer,
-  ChannelControlHelper,
-  LoadBalancingConfig,
-  createLoadBalancer,
-} from './load-balancer';
-import { SubchannelAddress } from './subchannel-address';
-import { ChannelOptions } from './channel-options';
-import { ConnectivityState } from './connectivity-state';
-import { Picker } from './picker';
-import { ChannelRef, SubchannelRef } from './channelz';
-import { SubchannelInterface } from './subchannel-interface';
-
-const TYPE_NAME = 'child_load_balancer_helper';
-
-export class ChildLoadBalancerHandler implements LoadBalancer {
-  private currentChild: LoadBalancer | null = null;
-  private pendingChild: LoadBalancer | null = null;
-  private latestConfig: LoadBalancingConfig | null = null;
-
-  private ChildPolicyHelper = class {
-    private child: LoadBalancer | null = null;
-    constructor(private parent: ChildLoadBalancerHandler) {}
-    createSubchannel(
-      subchannelAddress: SubchannelAddress,
-      subchannelArgs: ChannelOptions
-    ): SubchannelInterface {
-      return this.parent.channelControlHelper.createSubchannel(
-        subchannelAddress,
-        subchannelArgs
-      );
-    }
-    updateState(connectivityState: ConnectivityState, picker: Picker): void {
-      if (this.calledByPendingChild()) {
-        if (connectivityState === ConnectivityState.CONNECTING) {
-          return;
-        }
-        this.parent.currentChild?.destroy();
-        this.parent.currentChild = this.parent.pendingChild;
-        this.parent.pendingChild = null;
-      } else if (!this.calledByCurrentChild()) {
-        return;
-      }
-      this.parent.channelControlHelper.updateState(connectivityState, picker);
-    }
-    requestReresolution(): void {
-      const latestChild = this.parent.pendingChild ?? this.parent.currentChild;
-      if (this.child === latestChild) {
-        this.parent.channelControlHelper.requestReresolution();
-      }
-    }
-    setChild(newChild: LoadBalancer) {
-      this.child = newChild;
-    }
-    addChannelzChild(child: ChannelRef | SubchannelRef) {
-      this.parent.channelControlHelper.addChannelzChild(child);
-    }
-    removeChannelzChild(child: ChannelRef | SubchannelRef) {
-      this.parent.channelControlHelper.removeChannelzChild(child);
-    }
-
-    private calledByPendingChild(): boolean {
-      return this.child === this.parent.pendingChild;
-    }
-    private calledByCurrentChild(): boolean {
-      return this.child === this.parent.currentChild;
-    }
-  };
-
-  constructor(private readonly channelControlHelper: ChannelControlHelper) {}
-
-  protected configUpdateRequiresNewPolicyInstance(
-    oldConfig: LoadBalancingConfig,
-    newConfig: LoadBalancingConfig
-  ): boolean {
-    return oldConfig.getLoadBalancerName() !== newConfig.getLoadBalancerName();
-  }
-
-  /**
-   * Prerequisites: lbConfig !== null and lbConfig.name is registered
-   * @param addressList
-   * @param lbConfig
-   * @param attributes
-   */
-  updateAddressList(
-    addressList: SubchannelAddress[],
-    lbConfig: LoadBalancingConfig,
-    attributes: { [key: string]: unknown }
-  ): void {
-    let childToUpdate: LoadBalancer;
-    if (
-      this.currentChild === null ||
-      this.latestConfig === null ||
-      this.configUpdateRequiresNewPolicyInstance(this.latestConfig, lbConfig)
-    ) {
-      const newHelper = new this.ChildPolicyHelper(this);
-      const newChild = createLoadBalancer(lbConfig, newHelper)!;
-      newHelper.setChild(newChild);
-      if (this.currentChild === null) {
-        this.currentChild = newChild;
-        childToUpdate = this.currentChild;
-      } else {
-        if (this.pendingChild) {
-          this.pendingChild.destroy();
-        }
-        this.pendingChild = newChild;
-        childToUpdate = this.pendingChild;
-      }
-    } else {
-      if (this.pendingChild === null) {
-        childToUpdate = this.currentChild;
-      } else {
-        childToUpdate = this.pendingChild;
-      }
-    }
-    this.latestConfig = lbConfig;
-    childToUpdate.updateAddressList(addressList, lbConfig, attributes);
-  }
-  exitIdle(): void {
-    if (this.currentChild) {
-      this.currentChild.exitIdle();
-      if (this.pendingChild) {
-        this.pendingChild.exitIdle();
-      }
-    }
-  }
-  resetBackoff(): void {
-    if (this.currentChild) {
-      this.currentChild.resetBackoff();
-      if (this.pendingChild) {
-        this.pendingChild.resetBackoff();
-      }
-    }
-  }
-  destroy(): void {
-    /* Note: state updates are only propagated from the child balancer if that
-     * object is equal to this.currentChild or this.pendingChild. Since this
-     * function sets both of those to null, no further state updates will
-     * occur after this function returns. */
-    if (this.currentChild) {
-      this.currentChild.destroy();
-      this.currentChild = null;
-    }
-    if (this.pendingChild) {
-      this.pendingChild.destroy();
-      this.pendingChild = null;
-    }
-  }
-  getTypeName(): string {
-    return TYPE_NAME;
-  }
-}