google.golang.org/grpc@v1.74.2/xds/internal/xdsclient/clientimpl_watchers.go (about)

     1  /*
     2   *
     3   * Copyright 2020 gRPC authors.
     4   *
     5   * Licensed under the Apache License, Version 2.0 (the "License");
     6   * you may not use this file except in compliance with the License.
     7   * You may obtain a copy of the License at
     8   *
     9   *     http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   */
    17  
    18  package xdsclient
    19  
    20  import (
    21  	"google.golang.org/grpc/xds/internal/xdsclient/xdsresource"
    22  )
    23  
    24  // WatchResource uses xDS to discover the resource associated with the provided
    25  // resource name. The resource type implementation determines how xDS responses
    26  // are are deserialized and validated, as received from the xDS management
    27  // server. Upon receipt of a response from the management server, an
    28  // appropriate callback on the watcher is invoked.
    29  func (c *clientImpl) WatchResource(rType xdsresource.Type, resourceName string, watcher xdsresource.ResourceWatcher) (cancel func()) {
    30  	return c.XDSClient.WatchResource(rType.TypeURL(), resourceName, xdsresource.GenericResourceWatcher(watcher))
    31  }