service

package

v0.0.0-...-8b501b0 Latest Latest Go to latest Published: Jul 6, 2023 License: MIT Imports: 10 Imported by: 0

Details

Valid go.mod file

The Go module system was introduced in Go 1.11 and is the official dependency management solution for Go.
Redistributable license

Redistributable licenses place minimal restrictions on how software can be used, modified, and redistributed.
Tagged version

Modules with tagged versions give importers more predictable builds.
Stable version

When a project reaches major version v1 it is considered stable.
Learn more about best practices

This section is empty.

This section is empty.

This section is empty.

type Aggregator struct {
	// contains filtered or unexported fields
}

Aggregator collects and returns price quotes from a set of downstream providers.

func NewAggregator(vendorID string, providerAddrs []string) *Aggregator

NewAggregator returns a new Aggregator instance that queries the providers at providerAddrs and returns back the results.

func (a *Aggregator) GetQuote(ctx context.Context, req *proto.QuotesRequest) (*proto.QuotesResponse, error)

GetQuote implements proto.QuoteServiceServer.

func (a *Aggregator) Serve(ctx context.Context) (string, error)

Serve listens for incoming connections on a random open port until ctx expires. It returns back the address that the server is listening on.

type Gateway struct {
	// contains filtered or unexported fields
}

Gateway simulates an API gateway that would handle requests from a front-end.

func NewGateway(serviceName, aggrAddr string) (*Gateway, error)

NewGateway returns a Gateway that retrieves quotes from a downstream aggregator listening at aggrAddr.

func (gw *Gateway) Close() error

Close shuts down the gateway and terminates any outgoing connections.

func (gw *Gateway) CollectQuotes(ctx context.Context, SKU string) (map[string]float64, error)

CollectQuotes obtains a list of price quotes for SKU and returns them as a map where the key is the vendor name and the value is the price.

type Provider struct {
	// contains filtered or unexported fields
}

Provider simulates a vendor service that returns price quotes for an SKU.

func NewProvider(vendorID string) *Provider

NewProvider returns a new Provider instance with the specified vendor ID.

func (p *Provider) GetQuote(ctx context.Context, req *proto.QuotesRequest) (*proto.QuotesResponse, error)

GetQuote implements proto.QuoteServiceServer.

func (p *Provider) Serve(ctx context.Context) (string, error)

Serve listens for incoming connections on a random open port until ctx expires. It returns back the address that the server is listening on.