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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"
"fmt"
"math"
"net/url"
"time"
gax "github.com/googleapis/gax-go/v2"
"google.golang.org/api/iterator"
"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/codes"
"google.golang.org/grpc/metadata"
"google.golang.org/protobuf/proto"
)
var newConnectionClientHook clientHook
// ConnectionCallOptions contains the retry settings for each method of ConnectionClient.
type ConnectionCallOptions struct {
ListConnections []gax.CallOption
}
func defaultConnectionGRPCClientOptions() []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 defaultConnectionCallOptions() *ConnectionCallOptions {
return &ConnectionCallOptions{
ListConnections: []gax.CallOption{
gax.WithRetry(func() gax.Retryer {
return gax.OnCodes([]codes.Code{
codes.Unavailable,
codes.Unknown,
}, gax.Backoff{
Initial: 1000 * time.Millisecond,
Max: 60000 * time.Millisecond,
Multiplier: 1.30,
})
}),
},
}
}
// internalConnectionClient is an interface that defines the methods available from Apigee Connect API.
type internalConnectionClient interface {
Close() error
setGoogleClientInfo(...string)
Connection() *grpc.ClientConn
ListConnections(context.Context, *apigeeconnectpb.ListConnectionsRequest, ...gax.CallOption) *ConnectionIterator
}
// ConnectionClient 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.
//
// Service Interface for the Apigee Connect connection management APIs.
type ConnectionClient struct {
// The internal transport-dependent client.
internalClient internalConnectionClient
// The call options for this service.
CallOptions *ConnectionCallOptions
}
// 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 *ConnectionClient) 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 *ConnectionClient) 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 *ConnectionClient) Connection() *grpc.ClientConn {
return c.internalClient.Connection()
}
// ListConnections lists connections that are currently active for the given Apigee Connect
// endpoint.
func (c *ConnectionClient) ListConnections(ctx context.Context, req *apigeeconnectpb.ListConnectionsRequest, opts ...gax.CallOption) *ConnectionIterator {
return c.internalClient.ListConnections(ctx, req, opts...)
}
// connectionGRPCClient 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 connectionGRPCClient 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 ConnectionClient
CallOptions **ConnectionCallOptions
// The gRPC API client.
connectionClient apigeeconnectpb.ConnectionServiceClient
// The x-goog-* metadata to be sent with each request.
xGoogMetadata metadata.MD
}
// NewConnectionClient creates a new connection service client based on gRPC.
// The returned client must be Closed when it is done being used to clean up its underlying connections.
//
// Service Interface for the Apigee Connect connection management APIs.
func NewConnectionClient(ctx context.Context, opts ...option.ClientOption) (*ConnectionClient, error) {
clientOpts := defaultConnectionGRPCClientOptions()
if newConnectionClientHook != nil {
hookOpts, err := newConnectionClientHook(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 := ConnectionClient{CallOptions: defaultConnectionCallOptions()}
c := &connectionGRPCClient{
connPool: connPool,
disableDeadlines: disableDeadlines,
connectionClient: apigeeconnectpb.NewConnectionServiceClient(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 *connectionGRPCClient) 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 *connectionGRPCClient) 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 *connectionGRPCClient) Close() error {
return c.connPool.Close()
}
func (c *connectionGRPCClient) ListConnections(ctx context.Context, req *apigeeconnectpb.ListConnectionsRequest, opts ...gax.CallOption) *ConnectionIterator {
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).ListConnections[0:len((*c.CallOptions).ListConnections):len((*c.CallOptions).ListConnections)], opts...)
it := &ConnectionIterator{}
req = proto.Clone(req).(*apigeeconnectpb.ListConnectionsRequest)
it.InternalFetch = func(pageSize int, pageToken string) ([]*apigeeconnectpb.Connection, string, error) {
resp := &apigeeconnectpb.ListConnectionsResponse{}
if pageToken != "" {
req.PageToken = pageToken
}
if pageSize > math.MaxInt32 {
req.PageSize = math.MaxInt32
} else if pageSize != 0 {
req.PageSize = int32(pageSize)
}
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.connectionClient.ListConnections(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, "", err
}
it.Response = resp
return resp.GetConnections(), resp.GetNextPageToken(), 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.GetPageSize())
it.pageInfo.Token = req.GetPageToken()
return it
}
// ConnectionIterator manages a stream of *apigeeconnectpb.Connection.
type ConnectionIterator struct {
items []*apigeeconnectpb.Connection
pageInfo *iterator.PageInfo
nextFunc func() error
// Response is the raw response for the current page.
// It must be cast to the RPC response type.
// Calling Next() or InternalFetch() updates this value.
Response interface{}
// 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 []*apigeeconnectpb.Connection, nextPageToken string, err error)
}
// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
func (it *ConnectionIterator) 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 *ConnectionIterator) Next() (*apigeeconnectpb.Connection, error) {
var item *apigeeconnectpb.Connection
if err := it.nextFunc(); err != nil {
return item, err
}
item = it.items[0]
it.items = it.items[1:]
return item, nil
}
func (it *ConnectionIterator) bufLen() int {
return len(it.items)
}
func (it *ConnectionIterator) takeBuf() interface{} {
b := it.items
it.items = nil
return b
}