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// Copyright 2022 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 apigeeconnect
import (
"context"
"math"
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"
apigeeconnectpb "google.golang.org/genproto/googleapis/cloud/apigeeconnect/v1"
"google.golang.org/grpc"
"google.golang.org/grpc/metadata"
)
var newTetherClientHook clientHook
// TetherCallOptions contains the retry settings for each method of TetherClient.
type TetherCallOptions struct {
Egress []gax.CallOption
}
func defaultTetherGRPCClientOptions() []option.ClientOption {
return []option.ClientOption{
internaloption.WithDefaultEndpoint("apigeeconnect.googleapis.com:443"),
internaloption.WithDefaultMTLSEndpoint("apigeeconnect.mtls.googleapis.com:443"),
internaloption.WithDefaultAudience("https://apigeeconnect.googleapis.com/"),
internaloption.WithDefaultScopes(DefaultAuthScopes()...),
internaloption.EnableJwtWithScope(),
option.WithGRPCDialOption(grpc.WithDefaultCallOptions(
grpc.MaxCallRecvMsgSize(math.MaxInt32))),
}
}
func defaultTetherCallOptions() *TetherCallOptions {
return &TetherCallOptions{
Egress: []gax.CallOption{},
}
}
// internalTetherClient is an interface that defines the methods available from Apigee Connect API.
type internalTetherClient interface {
Close() error
setGoogleClientInfo(...string)
Connection() *grpc.ClientConn
Egress(context.Context, ...gax.CallOption) (apigeeconnectpb.Tether_EgressClient, error)
}
// TetherClient is a client for interacting with Apigee Connect API.
// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
//
// Tether provides a way for the control plane to send HTTP API requests to
// services in data planes that runs in a remote datacenter without
// requiring customers to open firewalls on their runtime plane.
type TetherClient struct {
// The internal transport-dependent client.
internalClient internalTetherClient
// The call options for this service.
CallOptions *TetherCallOptions
}
// 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 *TetherClient) 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 *TetherClient) setGoogleClientInfo(keyval ...string) {
c.internalClient.setGoogleClientInfo(keyval...)
}
// Connection returns a connection to the API service.
//
// Deprecated: Connections are now pooled so this method does not always
// return the same resource.
func (c *TetherClient) Connection() *grpc.ClientConn {
return c.internalClient.Connection()
}
// Egress egress streams egress requests and responses. Logically, this is not
// actually a streaming request, but uses streaming as a mechanism to flip
// the client-server relationship of gRPC so that the server can act as a
// client.
// The listener, the RPC server, accepts connections from the dialer,
// the RPC client.
// The listener streams http requests and the dialer streams http responses.
func (c *TetherClient) Egress(ctx context.Context, opts ...gax.CallOption) (apigeeconnectpb.Tether_EgressClient, error) {
return c.internalClient.Egress(ctx, opts...)
}
// tetherGRPCClient is a client for interacting with Apigee Connect API over gRPC transport.
//
// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
type tetherGRPCClient 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 TetherClient
CallOptions **TetherCallOptions
// The gRPC API client.
tetherClient apigeeconnectpb.TetherClient
// The x-goog-* metadata to be sent with each request.
xGoogMetadata metadata.MD
}
// NewTetherClient creates a new tether client based on gRPC.
// The returned client must be Closed when it is done being used to clean up its underlying connections.
//
// Tether provides a way for the control plane to send HTTP API requests to
// services in data planes that runs in a remote datacenter without
// requiring customers to open firewalls on their runtime plane.
func NewTetherClient(ctx context.Context, opts ...option.ClientOption) (*TetherClient, error) {
clientOpts := defaultTetherGRPCClientOptions()
if newTetherClientHook != nil {
hookOpts, err := newTetherClientHook(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 := TetherClient{CallOptions: defaultTetherCallOptions()}
c := &tetherGRPCClient{
connPool: connPool,
disableDeadlines: disableDeadlines,
tetherClient: apigeeconnectpb.NewTetherClient(connPool),
CallOptions: &client.CallOptions,
}
c.setGoogleClientInfo()
client.internalClient = c
return &client, nil
}
// Connection returns a connection to the API service.
//
// Deprecated: Connections are now pooled so this method does not always
// return the same resource.
func (c *tetherGRPCClient) 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 *tetherGRPCClient) setGoogleClientInfo(keyval ...string) {
kv := append([]string{"gl-go", versionGo()}, keyval...)
kv = append(kv, "gapic", getVersionClient(), "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 *tetherGRPCClient) Close() error {
return c.connPool.Close()
}
func (c *tetherGRPCClient) Egress(ctx context.Context, opts ...gax.CallOption) (apigeeconnectpb.Tether_EgressClient, error) {
ctx = insertMetadata(ctx, c.xGoogMetadata)
var resp apigeeconnectpb.Tether_EgressClient
opts = append((*c.CallOptions).Egress[0:len((*c.CallOptions).Egress):len((*c.CallOptions).Egress)], opts...)
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.tetherClient.Egress(ctx, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}