logging/apiv2/config_client.go - gocloud - Git at Google

 // Copyright 2019 Google LLC
 //
 // 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
 //
 //     https://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.

 // Code generated by gapic-generator. DO NOT EDIT.

 package logging

 import (
 	"context"
 	"fmt"
 	"math"
 	"net/url"
 	"time"

 	"github.com/golang/protobuf/proto"
 	gax "github.com/googleapis/gax-go/v2"
 	"google.golang.org/api/iterator"
 	"google.golang.org/api/option"
 	"google.golang.org/api/transport"
 	loggingpb "google.golang.org/genproto/googleapis/logging/v2"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/metadata"
 )

 // ConfigCallOptions contains the retry settings for each method of ConfigClient.
 type ConfigCallOptions struct {
 	ListSinks       []gax.CallOption
 	GetSink         []gax.CallOption
 	CreateSink      []gax.CallOption
 	UpdateSink      []gax.CallOption
 	DeleteSink      []gax.CallOption
 	ListExclusions  []gax.CallOption
 	GetExclusion    []gax.CallOption
 	CreateExclusion []gax.CallOption
 	UpdateExclusion []gax.CallOption
 	DeleteExclusion []gax.CallOption
 }

 func defaultConfigClientOptions() []option.ClientOption {
 	return []option.ClientOption{
 		option.WithEndpoint("logging.googleapis.com:443"),
 		option.WithScopes(DefaultAuthScopes()...),
 		option.WithGRPCDialOption(grpc.WithDefaultCallOptions(
 			grpc.MaxCallRecvMsgSize(math.MaxInt32))),
 	}
 }

 func defaultConfigCallOptions() *ConfigCallOptions {
 	retry := map[[2]string][]gax.CallOption{
 		{"default", "idempotent"}: {
 			gax.WithRetry(func() gax.Retryer {
 				return gax.OnCodes([]codes.Code{
 					codes.DeadlineExceeded,
 					codes.Internal,
 					codes.Unavailable,
 				}, gax.Backoff{
 					Initial:    100 * time.Millisecond,
 					Max:        60000 * time.Millisecond,
 					Multiplier: 1.3,
 				})
 			}),
 		},
 	}
 	return &ConfigCallOptions{
 		ListSinks:       retry[[2]string{"default", "idempotent"}],
 		GetSink:         retry[[2]string{"default", "idempotent"}],
 		CreateSink:      retry[[2]string{"default", "non_idempotent"}],
 		UpdateSink:      retry[[2]string{"default", "idempotent"}],
 		DeleteSink:      retry[[2]string{"default", "idempotent"}],
 		ListExclusions:  retry[[2]string{"default", "idempotent"}],
 		GetExclusion:    retry[[2]string{"default", "idempotent"}],
 		CreateExclusion: retry[[2]string{"default", "non_idempotent"}],
 		UpdateExclusion: retry[[2]string{"default", "non_idempotent"}],
 		DeleteExclusion: retry[[2]string{"default", "idempotent"}],
 	}
 }

 // ConfigClient is a client for interacting with Stackdriver Logging API.
 //
 // Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
 type ConfigClient struct {
 	// The connection to the service.
 	conn *grpc.ClientConn

 	// The gRPC API client.
 	configClient loggingpb.ConfigServiceV2Client

 	// The call options for this service.
 	CallOptions *ConfigCallOptions

 	// The x-goog-* metadata to be sent with each request.
 	xGoogMetadata metadata.MD
 }

 // NewConfigClient creates a new config service v2 client.
 //
 // Service for configuring sinks used to route log entries.
 func NewConfigClient(ctx context.Context, opts ...option.ClientOption) (*ConfigClient, error) {
 	conn, err := transport.DialGRPC(ctx, append(defaultConfigClientOptions(), opts...)...)
 	if err != nil {
 		return nil, err
 	}
 	c := &ConfigClient{
 		conn:        conn,
 		CallOptions: defaultConfigCallOptions(),

 		configClient: loggingpb.NewConfigServiceV2Client(conn),
 	}
 	c.SetGoogleClientInfo()
 	return c, nil
 }

 // Connection returns the client's connection to the API service.
 func (c *ConfigClient) Connection() *grpc.ClientConn {
 	return c.conn
 }

 // Close closes the connection to the API service. The user should invoke this when
 // the client is no longer required.
 func (c *ConfigClient) Close() error {
 	return c.conn.Close()
 }

 // SetGoogleClientInfo sets the name and version of the application in
 // the `x-goog-api-client` header passed on each request. Intended for
 // use by Google-written clients.
 func (c *ConfigClient) SetGoogleClientInfo(keyval ...string) {
 	kv := append([]string{"gl-go", versionGo()}, keyval...)
 	kv = append(kv, "gapic", versionClient, "gax", gax.Version, "grpc", grpc.Version)
 	c.xGoogMetadata = metadata.Pairs("x-goog-api-client", gax.XGoogHeader(kv...))
 }

 // ListSinks lists sinks.
 func (c *ConfigClient) ListSinks(ctx context.Context, req *loggingpb.ListSinksRequest, opts ...gax.CallOption) *LogSinkIterator {
 	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent())))
 	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
 	opts = append(c.CallOptions.ListSinks[0:len(c.CallOptions.ListSinks):len(c.CallOptions.ListSinks)], opts...)
 	it := &LogSinkIterator{}
 	req = proto.Clone(req).(*loggingpb.ListSinksRequest)
 	it.InternalFetch = func(pageSize int, pageToken string) ([]*loggingpb.LogSink, string, error) {
 		var resp *loggingpb.ListSinksResponse
 		req.PageToken = pageToken
 		if pageSize > math.MaxInt32 {
 			req.PageSize = math.MaxInt32
 		} else {
 			req.PageSize = int32(pageSize)
 		}
 		err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
 			var err error
 			resp, err = c.configClient.ListSinks(ctx, req, settings.GRPC...)
 			return err
 		}, opts...)
 		if err != nil {
 			return nil, "", err
 		}
 		return resp.Sinks, resp.NextPageToken, nil
 	}
 	fetch := func(pageSize int, pageToken string) (string, error) {
 		items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
 		if err != nil {
 			return "", err
 		}
 		it.items = append(it.items, items...)
 		return nextPageToken, nil
 	}
 	it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
 	it.pageInfo.MaxSize = int(req.PageSize)
 	it.pageInfo.Token = req.PageToken
 	return it
 }

 // GetSink gets a sink.
 func (c *ConfigClient) GetSink(ctx context.Context, req *loggingpb.GetSinkRequest, opts ...gax.CallOption) (*loggingpb.LogSink, error) {
 	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "sink_name", url.QueryEscape(req.GetSinkName())))
 	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
 	opts = append(c.CallOptions.GetSink[0:len(c.CallOptions.GetSink):len(c.CallOptions.GetSink)], opts...)
 	var resp *loggingpb.LogSink
 	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
 		var err error
 		resp, err = c.configClient.GetSink(ctx, req, settings.GRPC...)
 		return err
 	}, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return resp, nil
 }

 // CreateSink creates a sink that exports specified log entries to a destination. The
 // export of newly-ingested log entries begins immediately, unless the sink's
 // writer_identity is not permitted to write to the destination. A sink can
 // export log entries only from the resource owning the sink.
 func (c *ConfigClient) CreateSink(ctx context.Context, req *loggingpb.CreateSinkRequest, opts ...gax.CallOption) (*loggingpb.LogSink, error) {
 	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent())))
 	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
 	opts = append(c.CallOptions.CreateSink[0:len(c.CallOptions.CreateSink):len(c.CallOptions.CreateSink)], opts...)
 	var resp *loggingpb.LogSink
 	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
 		var err error
 		resp, err = c.configClient.CreateSink(ctx, req, settings.GRPC...)
 		return err
 	}, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return resp, nil
 }

 // UpdateSink updates a sink. This method replaces the following fields in the existing
 // sink with values from the new sink: destination, and filter.
 //
 // The updated sink might also have a new writer_identity; see the
 // unique_writer_identity field.
 func (c *ConfigClient) UpdateSink(ctx context.Context, req *loggingpb.UpdateSinkRequest, opts ...gax.CallOption) (*loggingpb.LogSink, error) {
 	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "sink_name", url.QueryEscape(req.GetSinkName())))
 	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
 	opts = append(c.CallOptions.UpdateSink[0:len(c.CallOptions.UpdateSink):len(c.CallOptions.UpdateSink)], opts...)
 	var resp *loggingpb.LogSink
 	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
 		var err error
 		resp, err = c.configClient.UpdateSink(ctx, req, settings.GRPC...)
 		return err
 	}, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return resp, nil
 }

 // DeleteSink deletes a sink. If the sink has a unique writer_identity, then that
 // service account is also deleted.
 func (c *ConfigClient) DeleteSink(ctx context.Context, req *loggingpb.DeleteSinkRequest, opts ...gax.CallOption) error {
 	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "sink_name", url.QueryEscape(req.GetSinkName())))
 	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
 	opts = append(c.CallOptions.DeleteSink[0:len(c.CallOptions.DeleteSink):len(c.CallOptions.DeleteSink)], opts...)
 	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
 		var err error
 		_, err = c.configClient.DeleteSink(ctx, req, settings.GRPC...)
 		return err
 	}, opts...)
 	return err
 }

 // ListExclusions lists all the exclusions in a parent resource.
 func (c *ConfigClient) ListExclusions(ctx context.Context, req *loggingpb.ListExclusionsRequest, opts ...gax.CallOption) *LogExclusionIterator {
 	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent())))
 	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
 	opts = append(c.CallOptions.ListExclusions[0:len(c.CallOptions.ListExclusions):len(c.CallOptions.ListExclusions)], opts...)
 	it := &LogExclusionIterator{}
 	req = proto.Clone(req).(*loggingpb.ListExclusionsRequest)
 	it.InternalFetch = func(pageSize int, pageToken string) ([]*loggingpb.LogExclusion, string, error) {
 		var resp *loggingpb.ListExclusionsResponse
 		req.PageToken = pageToken
 		if pageSize > math.MaxInt32 {
 			req.PageSize = math.MaxInt32
 		} else {
 			req.PageSize = int32(pageSize)
 		}
 		err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
 			var err error
 			resp, err = c.configClient.ListExclusions(ctx, req, settings.GRPC...)
 			return err
 		}, opts...)
 		if err != nil {
 			return nil, "", err
 		}
 		return resp.Exclusions, resp.NextPageToken, nil
 	}
 	fetch := func(pageSize int, pageToken string) (string, error) {
 		items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
 		if err != nil {
 			return "", err
 		}
 		it.items = append(it.items, items...)
 		return nextPageToken, nil
 	}
 	it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
 	it.pageInfo.MaxSize = int(req.PageSize)
 	it.pageInfo.Token = req.PageToken
 	return it
 }

 // GetExclusion gets the description of an exclusion.
 func (c *ConfigClient) GetExclusion(ctx context.Context, req *loggingpb.GetExclusionRequest, opts ...gax.CallOption) (*loggingpb.LogExclusion, error) {
 	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName())))
 	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
 	opts = append(c.CallOptions.GetExclusion[0:len(c.CallOptions.GetExclusion):len(c.CallOptions.GetExclusion)], opts...)
 	var resp *loggingpb.LogExclusion
 	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
 		var err error
 		resp, err = c.configClient.GetExclusion(ctx, req, settings.GRPC...)
 		return err
 	}, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return resp, nil
 }

 // CreateExclusion creates a new exclusion in a specified parent resource.
 // Only log entries belonging to that resource can be excluded.
 // You can have up to 10 exclusions in a resource.
 func (c *ConfigClient) CreateExclusion(ctx context.Context, req *loggingpb.CreateExclusionRequest, opts ...gax.CallOption) (*loggingpb.LogExclusion, error) {
 	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent())))
 	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
 	opts = append(c.CallOptions.CreateExclusion[0:len(c.CallOptions.CreateExclusion):len(c.CallOptions.CreateExclusion)], opts...)
 	var resp *loggingpb.LogExclusion
 	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
 		var err error
 		resp, err = c.configClient.CreateExclusion(ctx, req, settings.GRPC...)
 		return err
 	}, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return resp, nil
 }

 // UpdateExclusion changes one or more properties of an existing exclusion.
 func (c *ConfigClient) UpdateExclusion(ctx context.Context, req *loggingpb.UpdateExclusionRequest, opts ...gax.CallOption) (*loggingpb.LogExclusion, error) {
 	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName())))
 	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
 	opts = append(c.CallOptions.UpdateExclusion[0:len(c.CallOptions.UpdateExclusion):len(c.CallOptions.UpdateExclusion)], opts...)
 	var resp *loggingpb.LogExclusion
 	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
 		var err error
 		resp, err = c.configClient.UpdateExclusion(ctx, req, settings.GRPC...)
 		return err
 	}, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return resp, nil
 }

 // DeleteExclusion deletes an exclusion.
 func (c *ConfigClient) DeleteExclusion(ctx context.Context, req *loggingpb.DeleteExclusionRequest, opts ...gax.CallOption) error {
 	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName())))
 	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
 	opts = append(c.CallOptions.DeleteExclusion[0:len(c.CallOptions.DeleteExclusion):len(c.CallOptions.DeleteExclusion)], opts...)
 	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
 		var err error
 		_, err = c.configClient.DeleteExclusion(ctx, req, settings.GRPC...)
 		return err
 	}, opts...)
 	return err
 }

 // LogExclusionIterator manages a stream of *loggingpb.LogExclusion.
 type LogExclusionIterator struct {
 	items    []*loggingpb.LogExclusion
 	pageInfo *iterator.PageInfo
 	nextFunc func() error

 	// InternalFetch is for use by the Google Cloud Libraries only.
 	// It is not part of the stable interface of this package.
 	//
 	// InternalFetch returns results from a single call to the underlying RPC.
 	// The number of results is no greater than pageSize.
 	// If there are no more results, nextPageToken is empty and err is nil.
 	InternalFetch func(pageSize int, pageToken string) (results []*loggingpb.LogExclusion, nextPageToken string, err error)
 }

 // PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
 func (it *LogExclusionIterator) PageInfo() *iterator.PageInfo {
 	return it.pageInfo
 }

 // Next returns the next result. Its second return value is iterator.Done if there are no more
 // results. Once Next returns Done, all subsequent calls will return Done.
 func (it *LogExclusionIterator) Next() (*loggingpb.LogExclusion, error) {
 	var item *loggingpb.LogExclusion
 	if err := it.nextFunc(); err != nil {
 		return item, err
 	}
 	item = it.items[0]
 	it.items = it.items[1:]
 	return item, nil
 }

 func (it *LogExclusionIterator) bufLen() int {
 	return len(it.items)
 }

 func (it *LogExclusionIterator) takeBuf() interface{} {
 	b := it.items
 	it.items = nil
 	return b
 }

 // LogSinkIterator manages a stream of *loggingpb.LogSink.
 type LogSinkIterator struct {
 	items    []*loggingpb.LogSink
 	pageInfo *iterator.PageInfo
 	nextFunc func() error

 	// InternalFetch is for use by the Google Cloud Libraries only.
 	// It is not part of the stable interface of this package.
 	//
 	// InternalFetch returns results from a single call to the underlying RPC.
 	// The number of results is no greater than pageSize.
 	// If there are no more results, nextPageToken is empty and err is nil.
 	InternalFetch func(pageSize int, pageToken string) (results []*loggingpb.LogSink, nextPageToken string, err error)
 }

 // PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
 func (it *LogSinkIterator) PageInfo() *iterator.PageInfo {
 	return it.pageInfo
 }

 // Next returns the next result. Its second return value is iterator.Done if there are no more
 // results. Once Next returns Done, all subsequent calls will return Done.
 func (it *LogSinkIterator) Next() (*loggingpb.LogSink, error) {
 	var item *loggingpb.LogSink
 	if err := it.nextFunc(); err != nil {
 		return item, err
 	}
 	item = it.items[0]
 	it.items = it.items[1:]
 	return item, nil
 }

 func (it *LogSinkIterator) bufLen() int {
 	return len(it.items)
 }

 func (it *LogSinkIterator) takeBuf() interface{} {
 	b := it.items
 	it.items = nil
 	return b
 }
	// Copyright 2019 Google LLC
	//
	// 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
	//
	// https://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.

	// Code generated by gapic-generator. DO NOT EDIT.

	package logging

	import (
	"context"
	"fmt"
	"math"
	"net/url"
	"time"

	"github.com/golang/protobuf/proto"
	gax "github.com/googleapis/gax-go/v2"
	"google.golang.org/api/iterator"
	"google.golang.org/api/option"
	"google.golang.org/api/transport"
	loggingpb "google.golang.org/genproto/googleapis/logging/v2"
	"google.golang.org/grpc"
	"google.golang.org/grpc/codes"
	"google.golang.org/grpc/metadata"
	)

	// ConfigCallOptions contains the retry settings for each method of ConfigClient.
	type ConfigCallOptions struct {
	ListSinks []gax.CallOption
	GetSink []gax.CallOption
	CreateSink []gax.CallOption
	UpdateSink []gax.CallOption
	DeleteSink []gax.CallOption
	ListExclusions []gax.CallOption
	GetExclusion []gax.CallOption
	CreateExclusion []gax.CallOption
	UpdateExclusion []gax.CallOption
	DeleteExclusion []gax.CallOption
	}

	func defaultConfigClientOptions() []option.ClientOption {
	return []option.ClientOption{
	option.WithEndpoint("logging.googleapis.com:443"),
	option.WithScopes(DefaultAuthScopes()...),
	option.WithGRPCDialOption(grpc.WithDefaultCallOptions(
	grpc.MaxCallRecvMsgSize(math.MaxInt32))),
	}
	}

	func defaultConfigCallOptions() *ConfigCallOptions {
	retry := map[[2]string][]gax.CallOption{
	{"default", "idempotent"}: {
	gax.WithRetry(func() gax.Retryer {
	return gax.OnCodes([]codes.Code{
	codes.DeadlineExceeded,
	codes.Internal,
	codes.Unavailable,
	}, gax.Backoff{
	Initial: 100 * time.Millisecond,
	Max: 60000 * time.Millisecond,
	Multiplier: 1.3,
	})
	}),
	},
	}
	return &ConfigCallOptions{
	ListSinks: retry[[2]string{"default", "idempotent"}],
	GetSink: retry[[2]string{"default", "idempotent"}],
	CreateSink: retry[[2]string{"default", "non_idempotent"}],
	UpdateSink: retry[[2]string{"default", "idempotent"}],
	DeleteSink: retry[[2]string{"default", "idempotent"}],
	ListExclusions: retry[[2]string{"default", "idempotent"}],
	GetExclusion: retry[[2]string{"default", "idempotent"}],
	CreateExclusion: retry[[2]string{"default", "non_idempotent"}],
	UpdateExclusion: retry[[2]string{"default", "non_idempotent"}],
	DeleteExclusion: retry[[2]string{"default", "idempotent"}],
	}
	}

	// ConfigClient is a client for interacting with Stackdriver Logging API.
	//
	// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
	type ConfigClient struct {
	// The connection to the service.
	conn *grpc.ClientConn

	// The gRPC API client.
	configClient loggingpb.ConfigServiceV2Client

	// The call options for this service.
	CallOptions *ConfigCallOptions

	// The x-goog-* metadata to be sent with each request.
	xGoogMetadata metadata.MD
	}

	// NewConfigClient creates a new config service v2 client.
	//
	// Service for configuring sinks used to route log entries.
	func NewConfigClient(ctx context.Context, opts ...option.ClientOption) (*ConfigClient, error) {
	conn, err := transport.DialGRPC(ctx, append(defaultConfigClientOptions(), opts...)...)
	if err != nil {
	return nil, err
	}
	c := &ConfigClient{
	conn: conn,
	CallOptions: defaultConfigCallOptions(),

	configClient: loggingpb.NewConfigServiceV2Client(conn),
	}
	c.SetGoogleClientInfo()
	return c, nil
	}

	// Connection returns the client's connection to the API service.
	func (c ConfigClient) Connection() grpc.ClientConn {
	return c.conn
	}

	// Close closes the connection to the API service. The user should invoke this when
	// the client is no longer required.
	func (c *ConfigClient) Close() error {
	return c.conn.Close()
	}

	// SetGoogleClientInfo sets the name and version of the application in
	// the `x-goog-api-client` header passed on each request. Intended for
	// use by Google-written clients.
	func (c *ConfigClient) SetGoogleClientInfo(keyval ...string) {
	kv := append([]string{"gl-go", versionGo()}, keyval...)
	kv = append(kv, "gapic", versionClient, "gax", gax.Version, "grpc", grpc.Version)
	c.xGoogMetadata = metadata.Pairs("x-goog-api-client", gax.XGoogHeader(kv...))
	}

	// ListSinks lists sinks.
	func (c ConfigClient) ListSinks(ctx context.Context, req loggingpb.ListSinksRequest, opts ...gax.CallOption) *LogSinkIterator {
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent())))
	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append(c.CallOptions.ListSinks[0:len(c.CallOptions.ListSinks):len(c.CallOptions.ListSinks)], opts...)
	it := &LogSinkIterator{}
	req = proto.Clone(req).(*loggingpb.ListSinksRequest)
	it.InternalFetch = func(pageSize int, pageToken string) ([]*loggingpb.LogSink, string, error) {
	var resp *loggingpb.ListSinksResponse
	req.PageToken = pageToken
	if pageSize > math.MaxInt32 {
	req.PageSize = math.MaxInt32
	} else {
	req.PageSize = int32(pageSize)
	}
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
	var err error
	resp, err = c.configClient.ListSinks(ctx, req, settings.GRPC...)
	return err
	}, opts...)
	if err != nil {
	return nil, "", err
	}
	return resp.Sinks, resp.NextPageToken, nil
	}
	fetch := func(pageSize int, pageToken string) (string, error) {
	items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
	if err != nil {
	return "", err
	}
	it.items = append(it.items, items...)
	return nextPageToken, nil
	}
	it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
	it.pageInfo.MaxSize = int(req.PageSize)
	it.pageInfo.Token = req.PageToken
	return it
	}

	// GetSink gets a sink.
	func (c ConfigClient) GetSink(ctx context.Context, req loggingpb.GetSinkRequest, opts ...gax.CallOption) (*loggingpb.LogSink, error) {
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "sink_name", url.QueryEscape(req.GetSinkName())))
	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append(c.CallOptions.GetSink[0:len(c.CallOptions.GetSink):len(c.CallOptions.GetSink)], opts...)
	var resp *loggingpb.LogSink
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
	var err error
	resp, err = c.configClient.GetSink(ctx, req, settings.GRPC...)
	return err
	}, opts...)
	if err != nil {
	return nil, err
	}
	return resp, nil
	}

	// CreateSink creates a sink that exports specified log entries to a destination. The
	// export of newly-ingested log entries begins immediately, unless the sink's
	// writer_identity is not permitted to write to the destination. A sink can
	// export log entries only from the resource owning the sink.
	func (c ConfigClient) CreateSink(ctx context.Context, req loggingpb.CreateSinkRequest, opts ...gax.CallOption) (*loggingpb.LogSink, error) {
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent())))
	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append(c.CallOptions.CreateSink[0:len(c.CallOptions.CreateSink):len(c.CallOptions.CreateSink)], opts...)
	var resp *loggingpb.LogSink
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
	var err error
	resp, err = c.configClient.CreateSink(ctx, req, settings.GRPC...)
	return err
	}, opts...)
	if err != nil {
	return nil, err
	}
	return resp, nil
	}

	// UpdateSink updates a sink. This method replaces the following fields in the existing
	// sink with values from the new sink: destination, and filter.
	//
	// The updated sink might also have a new writer_identity; see the
	// unique_writer_identity field.
	func (c ConfigClient) UpdateSink(ctx context.Context, req loggingpb.UpdateSinkRequest, opts ...gax.CallOption) (*loggingpb.LogSink, error) {
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "sink_name", url.QueryEscape(req.GetSinkName())))
	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append(c.CallOptions.UpdateSink[0:len(c.CallOptions.UpdateSink):len(c.CallOptions.UpdateSink)], opts...)
	var resp *loggingpb.LogSink
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
	var err error
	resp, err = c.configClient.UpdateSink(ctx, req, settings.GRPC...)
	return err
	}, opts...)
	if err != nil {
	return nil, err
	}
	return resp, nil
	}

	// DeleteSink deletes a sink. If the sink has a unique writer_identity, then that
	// service account is also deleted.
	func (c ConfigClient) DeleteSink(ctx context.Context, req loggingpb.DeleteSinkRequest, opts ...gax.CallOption) error {
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "sink_name", url.QueryEscape(req.GetSinkName())))
	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append(c.CallOptions.DeleteSink[0:len(c.CallOptions.DeleteSink):len(c.CallOptions.DeleteSink)], opts...)
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
	var err error
	_, err = c.configClient.DeleteSink(ctx, req, settings.GRPC...)
	return err
	}, opts...)
	return err
	}

	// ListExclusions lists all the exclusions in a parent resource.
	func (c ConfigClient) ListExclusions(ctx context.Context, req loggingpb.ListExclusionsRequest, opts ...gax.CallOption) *LogExclusionIterator {
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent())))
	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append(c.CallOptions.ListExclusions[0:len(c.CallOptions.ListExclusions):len(c.CallOptions.ListExclusions)], opts...)
	it := &LogExclusionIterator{}
	req = proto.Clone(req).(*loggingpb.ListExclusionsRequest)
	it.InternalFetch = func(pageSize int, pageToken string) ([]*loggingpb.LogExclusion, string, error) {
	var resp *loggingpb.ListExclusionsResponse
	req.PageToken = pageToken
	if pageSize > math.MaxInt32 {
	req.PageSize = math.MaxInt32
	} else {
	req.PageSize = int32(pageSize)
	}
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
	var err error
	resp, err = c.configClient.ListExclusions(ctx, req, settings.GRPC...)
	return err
	}, opts...)
	if err != nil {
	return nil, "", err
	}
	return resp.Exclusions, resp.NextPageToken, nil
	}
	fetch := func(pageSize int, pageToken string) (string, error) {
	items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
	if err != nil {
	return "", err
	}
	it.items = append(it.items, items...)
	return nextPageToken, nil
	}
	it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
	it.pageInfo.MaxSize = int(req.PageSize)
	it.pageInfo.Token = req.PageToken
	return it
	}

	// GetExclusion gets the description of an exclusion.
	func (c ConfigClient) GetExclusion(ctx context.Context, req loggingpb.GetExclusionRequest, opts ...gax.CallOption) (*loggingpb.LogExclusion, error) {
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName())))
	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append(c.CallOptions.GetExclusion[0:len(c.CallOptions.GetExclusion):len(c.CallOptions.GetExclusion)], opts...)
	var resp *loggingpb.LogExclusion
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
	var err error
	resp, err = c.configClient.GetExclusion(ctx, req, settings.GRPC...)
	return err
	}, opts...)
	if err != nil {
	return nil, err
	}
	return resp, nil
	}

	// CreateExclusion creates a new exclusion in a specified parent resource.
	// Only log entries belonging to that resource can be excluded.
	// You can have up to 10 exclusions in a resource.
	func (c ConfigClient) CreateExclusion(ctx context.Context, req loggingpb.CreateExclusionRequest, opts ...gax.CallOption) (*loggingpb.LogExclusion, error) {
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent())))
	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append(c.CallOptions.CreateExclusion[0:len(c.CallOptions.CreateExclusion):len(c.CallOptions.CreateExclusion)], opts...)
	var resp *loggingpb.LogExclusion
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
	var err error
	resp, err = c.configClient.CreateExclusion(ctx, req, settings.GRPC...)
	return err
	}, opts...)
	if err != nil {
	return nil, err
	}
	return resp, nil
	}

	// UpdateExclusion changes one or more properties of an existing exclusion.
	func (c ConfigClient) UpdateExclusion(ctx context.Context, req loggingpb.UpdateExclusionRequest, opts ...gax.CallOption) (*loggingpb.LogExclusion, error) {
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName())))
	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append(c.CallOptions.UpdateExclusion[0:len(c.CallOptions.UpdateExclusion):len(c.CallOptions.UpdateExclusion)], opts...)
	var resp *loggingpb.LogExclusion
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
	var err error
	resp, err = c.configClient.UpdateExclusion(ctx, req, settings.GRPC...)
	return err
	}, opts...)
	if err != nil {
	return nil, err
	}
	return resp, nil
	}

	// DeleteExclusion deletes an exclusion.
	func (c ConfigClient) DeleteExclusion(ctx context.Context, req loggingpb.DeleteExclusionRequest, opts ...gax.CallOption) error {
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName())))
	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append(c.CallOptions.DeleteExclusion[0:len(c.CallOptions.DeleteExclusion):len(c.CallOptions.DeleteExclusion)], opts...)
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
	var err error
	_, err = c.configClient.DeleteExclusion(ctx, req, settings.GRPC...)
	return err
	}, opts...)
	return err
	}

	// LogExclusionIterator manages a stream of *loggingpb.LogExclusion.
	type LogExclusionIterator struct {
	items []*loggingpb.LogExclusion
	pageInfo *iterator.PageInfo
	nextFunc func() error

	// InternalFetch is for use by the Google Cloud Libraries only.
	// It is not part of the stable interface of this package.
	//
	// InternalFetch returns results from a single call to the underlying RPC.
	// The number of results is no greater than pageSize.
	// If there are no more results, nextPageToken is empty and err is nil.
	InternalFetch func(pageSize int, pageToken string) (results []*loggingpb.LogExclusion, nextPageToken string, err error)
	}

	// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
	func (it LogExclusionIterator) PageInfo() iterator.PageInfo {
	return it.pageInfo
	}

	// Next returns the next result. Its second return value is iterator.Done if there are no more
	// results. Once Next returns Done, all subsequent calls will return Done.
	func (it LogExclusionIterator) Next() (loggingpb.LogExclusion, error) {
	var item *loggingpb.LogExclusion
	if err := it.nextFunc(); err != nil {
	return item, err
	}
	item = it.items[0]
	it.items = it.items[1:]
	return item, nil
	}

	func (it *LogExclusionIterator) bufLen() int {
	return len(it.items)
	}

	func (it *LogExclusionIterator) takeBuf() interface{} {
	b := it.items
	it.items = nil
	return b
	}

	// LogSinkIterator manages a stream of *loggingpb.LogSink.
	type LogSinkIterator struct {
	items []*loggingpb.LogSink
	pageInfo *iterator.PageInfo
	nextFunc func() error

	// InternalFetch is for use by the Google Cloud Libraries only.
	// It is not part of the stable interface of this package.
	//
	// InternalFetch returns results from a single call to the underlying RPC.
	// The number of results is no greater than pageSize.
	// If there are no more results, nextPageToken is empty and err is nil.
	InternalFetch func(pageSize int, pageToken string) (results []*loggingpb.LogSink, nextPageToken string, err error)
	}

	// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
	func (it LogSinkIterator) PageInfo() iterator.PageInfo {
	return it.pageInfo
	}

	// Next returns the next result. Its second return value is iterator.Done if there are no more
	// results. Once Next returns Done, all subsequent calls will return Done.
	func (it LogSinkIterator) Next() (loggingpb.LogSink, error) {
	var item *loggingpb.LogSink
	if err := it.nextFunc(); err != nil {
	return item, err
	}
	item = it.items[0]
	it.items = it.items[1:]
	return item, nil
	}

	func (it *LogSinkIterator) bufLen() int {
	return len(it.items)
	}

	func (it *LogSinkIterator) takeBuf() interface{} {
	b := it.items
	it.items = nil
	return b
	}