| // Copyright 2021 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 protoc-gen-go_gapic. DO NOT EDIT. |
| |
| package pubsublite |
| |
| import ( |
| "context" |
| "fmt" |
| "math" |
| "net/url" |
| "time" |
| |
| gax "github.com/googleapis/gax-go/v2" |
| "google.golang.org/api/option" |
| "google.golang.org/api/option/internaloption" |
| gtransport "google.golang.org/api/transport/grpc" |
| pubsublitepb "google.golang.org/genproto/googleapis/cloud/pubsublite/v1" |
| "google.golang.org/grpc" |
| "google.golang.org/grpc/codes" |
| "google.golang.org/grpc/metadata" |
| ) |
| |
| var newTopicStatsClientHook clientHook |
| |
| // TopicStatsCallOptions contains the retry settings for each method of TopicStatsClient. |
| type TopicStatsCallOptions struct { |
| ComputeMessageStats []gax.CallOption |
| ComputeHeadCursor []gax.CallOption |
| ComputeTimeCursor []gax.CallOption |
| } |
| |
| func defaultTopicStatsGRPCClientOptions() []option.ClientOption { |
| return []option.ClientOption{ |
| internaloption.WithDefaultEndpoint("pubsublite.googleapis.com:443"), |
| internaloption.WithDefaultMTLSEndpoint("pubsublite.mtls.googleapis.com:443"), |
| internaloption.WithDefaultAudience("https://pubsublite.googleapis.com/"), |
| internaloption.WithDefaultScopes(DefaultAuthScopes()...), |
| internaloption.EnableJwtWithScope(), |
| option.WithGRPCDialOption(grpc.WithDisableServiceConfig()), |
| option.WithGRPCDialOption(grpc.WithDefaultCallOptions( |
| grpc.MaxCallRecvMsgSize(math.MaxInt32))), |
| } |
| } |
| |
| func defaultTopicStatsCallOptions() *TopicStatsCallOptions { |
| return &TopicStatsCallOptions{ |
| ComputeMessageStats: []gax.CallOption{ |
| gax.WithRetry(func() gax.Retryer { |
| return gax.OnCodes([]codes.Code{ |
| codes.DeadlineExceeded, |
| codes.Unavailable, |
| codes.Aborted, |
| codes.Internal, |
| codes.Unknown, |
| }, gax.Backoff{ |
| Initial: 100 * time.Millisecond, |
| Max: 60000 * time.Millisecond, |
| Multiplier: 1.30, |
| }) |
| }), |
| }, |
| ComputeHeadCursor: []gax.CallOption{ |
| gax.WithRetry(func() gax.Retryer { |
| return gax.OnCodes([]codes.Code{ |
| codes.DeadlineExceeded, |
| codes.Unavailable, |
| codes.Aborted, |
| codes.Internal, |
| codes.Unknown, |
| }, gax.Backoff{ |
| Initial: 100 * time.Millisecond, |
| Max: 60000 * time.Millisecond, |
| Multiplier: 1.30, |
| }) |
| }), |
| }, |
| ComputeTimeCursor: []gax.CallOption{ |
| gax.WithRetry(func() gax.Retryer { |
| return gax.OnCodes([]codes.Code{ |
| codes.DeadlineExceeded, |
| codes.Unavailable, |
| codes.Aborted, |
| codes.Internal, |
| codes.Unknown, |
| }, gax.Backoff{ |
| Initial: 100 * time.Millisecond, |
| Max: 60000 * time.Millisecond, |
| Multiplier: 1.30, |
| }) |
| }), |
| }, |
| } |
| } |
| |
| // internalTopicStatsClient is an interface that defines the methods availaible from Pub/Sub Lite API. |
| type internalTopicStatsClient interface { |
| Close() error |
| setGoogleClientInfo(...string) |
| Connection() *grpc.ClientConn |
| ComputeMessageStats(context.Context, *pubsublitepb.ComputeMessageStatsRequest, ...gax.CallOption) (*pubsublitepb.ComputeMessageStatsResponse, error) |
| ComputeHeadCursor(context.Context, *pubsublitepb.ComputeHeadCursorRequest, ...gax.CallOption) (*pubsublitepb.ComputeHeadCursorResponse, error) |
| ComputeTimeCursor(context.Context, *pubsublitepb.ComputeTimeCursorRequest, ...gax.CallOption) (*pubsublitepb.ComputeTimeCursorResponse, error) |
| } |
| |
| // TopicStatsClient is a client for interacting with Pub/Sub Lite API. |
| // Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls. |
| // |
| // This service allows users to get stats about messages in their topic. |
| type TopicStatsClient struct { |
| // The internal transport-dependent client. |
| internalClient internalTopicStatsClient |
| |
| // The call options for this service. |
| CallOptions *TopicStatsCallOptions |
| } |
| |
| // Wrapper methods routed to the internal client. |
| |
| // Close closes the connection to the API service. The user should invoke this when |
| // the client is no longer required. |
| func (c *TopicStatsClient) Close() error { |
| return c.internalClient.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 *TopicStatsClient) setGoogleClientInfo(keyval ...string) { |
| c.internalClient.setGoogleClientInfo(keyval...) |
| } |
| |
| // Connection returns a connection to the API service. |
| // |
| // Deprecated. |
| func (c *TopicStatsClient) Connection() *grpc.ClientConn { |
| return c.internalClient.Connection() |
| } |
| |
| // ComputeMessageStats compute statistics about a range of messages in a given topic and |
| // partition. |
| func (c *TopicStatsClient) ComputeMessageStats(ctx context.Context, req *pubsublitepb.ComputeMessageStatsRequest, opts ...gax.CallOption) (*pubsublitepb.ComputeMessageStatsResponse, error) { |
| return c.internalClient.ComputeMessageStats(ctx, req, opts...) |
| } |
| |
| // ComputeHeadCursor compute the head cursor for the partition. |
| // The head cursor’s offset is guaranteed to be less than or equal to all |
| // messages which have not yet been acknowledged as published, and |
| // greater than the offset of any message whose publish has already |
| // been acknowledged. It is zero if there have never been messages in the |
| // partition. |
| func (c *TopicStatsClient) ComputeHeadCursor(ctx context.Context, req *pubsublitepb.ComputeHeadCursorRequest, opts ...gax.CallOption) (*pubsublitepb.ComputeHeadCursorResponse, error) { |
| return c.internalClient.ComputeHeadCursor(ctx, req, opts...) |
| } |
| |
| // ComputeTimeCursor compute the corresponding cursor for a publish or event time in a topic |
| // partition. |
| func (c *TopicStatsClient) ComputeTimeCursor(ctx context.Context, req *pubsublitepb.ComputeTimeCursorRequest, opts ...gax.CallOption) (*pubsublitepb.ComputeTimeCursorResponse, error) { |
| return c.internalClient.ComputeTimeCursor(ctx, req, opts...) |
| } |
| |
| // topicStatsGRPCClient is a client for interacting with Pub/Sub Lite API over gRPC transport. |
| // |
| // Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls. |
| type topicStatsGRPCClient struct { |
| // Connection pool of gRPC connections to the service. |
| connPool gtransport.ConnPool |
| |
| // flag to opt out of default deadlines via GOOGLE_API_GO_EXPERIMENTAL_DISABLE_DEFAULT_DEADLINE |
| disableDeadlines bool |
| |
| // Points back to the CallOptions field of the containing TopicStatsClient |
| CallOptions **TopicStatsCallOptions |
| |
| // The gRPC API client. |
| topicStatsClient pubsublitepb.TopicStatsServiceClient |
| |
| // The x-goog-* metadata to be sent with each request. |
| xGoogMetadata metadata.MD |
| } |
| |
| // NewTopicStatsClient creates a new topic stats service client based on gRPC. |
| // The returned client must be Closed when it is done being used to clean up its underlying connections. |
| // |
| // This service allows users to get stats about messages in their topic. |
| func NewTopicStatsClient(ctx context.Context, opts ...option.ClientOption) (*TopicStatsClient, error) { |
| clientOpts := defaultTopicStatsGRPCClientOptions() |
| if newTopicStatsClientHook != nil { |
| hookOpts, err := newTopicStatsClientHook(ctx, clientHookParams{}) |
| if err != nil { |
| return nil, err |
| } |
| clientOpts = append(clientOpts, hookOpts...) |
| } |
| |
| disableDeadlines, err := checkDisableDeadlines() |
| if err != nil { |
| return nil, err |
| } |
| |
| connPool, err := gtransport.DialPool(ctx, append(clientOpts, opts...)...) |
| if err != nil { |
| return nil, err |
| } |
| client := TopicStatsClient{CallOptions: defaultTopicStatsCallOptions()} |
| |
| c := &topicStatsGRPCClient{ |
| connPool: connPool, |
| disableDeadlines: disableDeadlines, |
| topicStatsClient: pubsublitepb.NewTopicStatsServiceClient(connPool), |
| CallOptions: &client.CallOptions, |
| } |
| c.setGoogleClientInfo() |
| |
| client.internalClient = c |
| |
| return &client, nil |
| } |
| |
| // Connection returns a connection to the API service. |
| // |
| // Deprecated. |
| func (c *topicStatsGRPCClient) Connection() *grpc.ClientConn { |
| return c.connPool.Conn() |
| } |
| |
| // 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 *topicStatsGRPCClient) 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...)) |
| } |
| |
| // Close closes the connection to the API service. The user should invoke this when |
| // the client is no longer required. |
| func (c *topicStatsGRPCClient) Close() error { |
| return c.connPool.Close() |
| } |
| |
| func (c *topicStatsGRPCClient) ComputeMessageStats(ctx context.Context, req *pubsublitepb.ComputeMessageStatsRequest, opts ...gax.CallOption) (*pubsublitepb.ComputeMessageStatsResponse, error) { |
| if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines { |
| cctx, cancel := context.WithTimeout(ctx, 600000*time.Millisecond) |
| defer cancel() |
| ctx = cctx |
| } |
| md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "topic", url.QueryEscape(req.GetTopic()))) |
| ctx = insertMetadata(ctx, c.xGoogMetadata, md) |
| opts = append((*c.CallOptions).ComputeMessageStats[0:len((*c.CallOptions).ComputeMessageStats):len((*c.CallOptions).ComputeMessageStats)], opts...) |
| var resp *pubsublitepb.ComputeMessageStatsResponse |
| err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { |
| var err error |
| resp, err = c.topicStatsClient.ComputeMessageStats(ctx, req, settings.GRPC...) |
| return err |
| }, opts...) |
| if err != nil { |
| return nil, err |
| } |
| return resp, nil |
| } |
| |
| func (c *topicStatsGRPCClient) ComputeHeadCursor(ctx context.Context, req *pubsublitepb.ComputeHeadCursorRequest, opts ...gax.CallOption) (*pubsublitepb.ComputeHeadCursorResponse, error) { |
| if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines { |
| cctx, cancel := context.WithTimeout(ctx, 600000*time.Millisecond) |
| defer cancel() |
| ctx = cctx |
| } |
| md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "topic", url.QueryEscape(req.GetTopic()))) |
| ctx = insertMetadata(ctx, c.xGoogMetadata, md) |
| opts = append((*c.CallOptions).ComputeHeadCursor[0:len((*c.CallOptions).ComputeHeadCursor):len((*c.CallOptions).ComputeHeadCursor)], opts...) |
| var resp *pubsublitepb.ComputeHeadCursorResponse |
| err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { |
| var err error |
| resp, err = c.topicStatsClient.ComputeHeadCursor(ctx, req, settings.GRPC...) |
| return err |
| }, opts...) |
| if err != nil { |
| return nil, err |
| } |
| return resp, nil |
| } |
| |
| func (c *topicStatsGRPCClient) ComputeTimeCursor(ctx context.Context, req *pubsublitepb.ComputeTimeCursorRequest, opts ...gax.CallOption) (*pubsublitepb.ComputeTimeCursorResponse, error) { |
| if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines { |
| cctx, cancel := context.WithTimeout(ctx, 600000*time.Millisecond) |
| defer cancel() |
| ctx = cctx |
| } |
| md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "topic", url.QueryEscape(req.GetTopic()))) |
| ctx = insertMetadata(ctx, c.xGoogMetadata, md) |
| opts = append((*c.CallOptions).ComputeTimeCursor[0:len((*c.CallOptions).ComputeTimeCursor):len((*c.CallOptions).ComputeTimeCursor)], opts...) |
| var resp *pubsublitepb.ComputeTimeCursorResponse |
| err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { |
| var err error |
| resp, err = c.topicStatsClient.ComputeTimeCursor(ctx, req, settings.GRPC...) |
| return err |
| }, opts...) |
| if err != nil { |
| return nil, err |
| } |
| return resp, nil |
| } |