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// Copyright 2020 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 billing
import (
"context"
"fmt"
"math"
"net/url"
"github.com/golang/protobuf/proto"
gax "github.com/googleapis/gax-go/v2"
"google.golang.org/api/iterator"
"google.golang.org/api/option"
gtransport "google.golang.org/api/transport/grpc"
billingpb "google.golang.org/genproto/googleapis/cloud/billing/v1"
"google.golang.org/grpc"
"google.golang.org/grpc/metadata"
)
// CloudCatalogCallOptions contains the retry settings for each method of CloudCatalogClient.
type CloudCatalogCallOptions struct {
ListServices []gax.CallOption
ListSkus []gax.CallOption
}
func defaultCloudCatalogClientOptions() []option.ClientOption {
return []option.ClientOption{
option.WithEndpoint("cloudbilling.googleapis.com:443"),
option.WithGRPCDialOption(grpc.WithDisableServiceConfig()),
option.WithScopes(DefaultAuthScopes()...),
option.WithGRPCDialOption(grpc.WithDefaultCallOptions(
grpc.MaxCallRecvMsgSize(math.MaxInt32))),
}
}
func defaultCloudCatalogCallOptions() *CloudCatalogCallOptions {
return &CloudCatalogCallOptions{
ListServices: []gax.CallOption{},
ListSkus: []gax.CallOption{},
}
}
// CloudCatalogClient is a client for interacting with Cloud Billing API.
//
// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
type CloudCatalogClient struct {
// Connection pool of gRPC connections to the service.
connPool gtransport.ConnPool
// The gRPC API client.
cloudCatalogClient billingpb.CloudCatalogClient
// The call options for this service.
CallOptions *CloudCatalogCallOptions
// The x-goog-* metadata to be sent with each request.
xGoogMetadata metadata.MD
}
// NewCloudCatalogClient creates a new cloud catalog client.
//
// A catalog of Google Cloud Platform services and SKUs.
// Provides pricing information and metadata on Google Cloud Platform services
// and SKUs.
func NewCloudCatalogClient(ctx context.Context, opts ...option.ClientOption) (*CloudCatalogClient, error) {
connPool, err := gtransport.DialPool(ctx, append(defaultCloudCatalogClientOptions(), opts...)...)
if err != nil {
return nil, err
}
c := &CloudCatalogClient{
connPool: connPool,
CallOptions: defaultCloudCatalogCallOptions(),
cloudCatalogClient: billingpb.NewCloudCatalogClient(connPool),
}
c.setGoogleClientInfo()
return c, nil
}
// Connection returns a connection to the API service.
//
// Deprecated.
func (c *CloudCatalogClient) Connection() *grpc.ClientConn {
return c.connPool.Conn()
}
// Close closes the connection to the API service. The user should invoke this when
// the client is no longer required.
func (c *CloudCatalogClient) Close() error {
return c.connPool.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 *CloudCatalogClient) 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...))
}
// ListServices lists all public cloud services.
func (c *CloudCatalogClient) ListServices(ctx context.Context, req *billingpb.ListServicesRequest, opts ...gax.CallOption) *ServiceIterator {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.ListServices[0:len(c.CallOptions.ListServices):len(c.CallOptions.ListServices)], opts...)
it := &ServiceIterator{}
req = proto.Clone(req).(*billingpb.ListServicesRequest)
it.InternalFetch = func(pageSize int, pageToken string) ([]*billingpb.Service, string, error) {
var resp *billingpb.ListServicesResponse
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.cloudCatalogClient.ListServices(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, "", err
}
it.Response = resp
return resp.Services, 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
}
// ListSkus lists all publicly available SKUs for a given cloud service.
func (c *CloudCatalogClient) ListSkus(ctx context.Context, req *billingpb.ListSkusRequest, opts ...gax.CallOption) *SkuIterator {
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.ListSkus[0:len(c.CallOptions.ListSkus):len(c.CallOptions.ListSkus)], opts...)
it := &SkuIterator{}
req = proto.Clone(req).(*billingpb.ListSkusRequest)
it.InternalFetch = func(pageSize int, pageToken string) ([]*billingpb.Sku, string, error) {
var resp *billingpb.ListSkusResponse
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.cloudCatalogClient.ListSkus(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, "", err
}
it.Response = resp
return resp.Skus, 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
}
// ServiceIterator manages a stream of *billingpb.Service.
type ServiceIterator struct {
items []*billingpb.Service
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 []*billingpb.Service, nextPageToken string, err error)
}
// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
func (it *ServiceIterator) 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 *ServiceIterator) Next() (*billingpb.Service, error) {
var item *billingpb.Service
if err := it.nextFunc(); err != nil {
return item, err
}
item = it.items[0]
it.items = it.items[1:]
return item, nil
}
func (it *ServiceIterator) bufLen() int {
return len(it.items)
}
func (it *ServiceIterator) takeBuf() interface{} {
b := it.items
it.items = nil
return b
}
// SkuIterator manages a stream of *billingpb.Sku.
type SkuIterator struct {
items []*billingpb.Sku
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 []*billingpb.Sku, nextPageToken string, err error)
}
// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
func (it *SkuIterator) 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 *SkuIterator) Next() (*billingpb.Sku, error) {
var item *billingpb.Sku
if err := it.nextFunc(); err != nil {
return item, err
}
item = it.items[0]
it.items = it.items[1:]
return item, nil
}
func (it *SkuIterator) bufLen() int {
return len(it.items)
}
func (it *SkuIterator) takeBuf() interface{} {
b := it.items
it.items = nil
return b
}