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Add call and publish options
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@ -30,11 +30,11 @@ type Client interface {
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NewRequest(service, method string, req interface{}) Request
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NewProtoRequest(service, method string, req interface{}) Request
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NewJsonRequest(service, method string, req interface{}) Request
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Call(ctx context.Context, req Request, rsp interface{}) error
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CallRemote(ctx context.Context, addr string, req Request, rsp interface{}) error
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Stream(ctx context.Context, req Request, rspChan interface{}) (Streamer, error)
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StreamRemote(ctx context.Context, addr string, req Request, rspChan interface{}) (Streamer, error)
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Publish(ctx context.Context, p Publication) error
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Call(ctx context.Context, req Request, rsp interface{}, opts ...CallOption) error
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CallRemote(ctx context.Context, addr string, req Request, rsp interface{}, opts ...CallOption) error
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Stream(ctx context.Context, req Request, rspChan interface{}, opts ...CallOption) (Streamer, error)
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StreamRemote(ctx context.Context, addr string, req Request, rspChan interface{}, opts ...CallOption) (Streamer, error)
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Publish(ctx context.Context, p Publication, opts ...PublishOption) error
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}
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type Publication interface {
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@ -57,30 +57,32 @@ type Streamer interface {
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}
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type Option func(*options)
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type CallOption func(*callOptions)
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type PublishOption func(*publishOptions)
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var (
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DefaultClient Client = newRpcClient()
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)
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// Makes a synchronous call to a service using the default client
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func Call(ctx context.Context, request Request, response interface{}) error {
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return DefaultClient.Call(ctx, request, response)
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func Call(ctx context.Context, request Request, response interface{}, opts ...CallOption) error {
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return DefaultClient.Call(ctx, request, response, opts...)
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}
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// Makes a synchronous call to the specified address using the default client
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func CallRemote(ctx context.Context, address string, request Request, response interface{}) error {
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return DefaultClient.CallRemote(ctx, address, request, response)
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func CallRemote(ctx context.Context, address string, request Request, response interface{}, opts ...CallOption) error {
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return DefaultClient.CallRemote(ctx, address, request, response, opts...)
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}
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// Creates a streaming connection with a service and returns responses on the
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// channel passed in. It's upto the user to close the streamer.
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func Stream(ctx context.Context, request Request, responseChan interface{}) (Streamer, error) {
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return DefaultClient.Stream(ctx, request, responseChan)
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func Stream(ctx context.Context, request Request, responseChan interface{}, opts ...CallOption) (Streamer, error) {
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return DefaultClient.Stream(ctx, request, responseChan, opts...)
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}
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// Creates a streaming connection to the address specified.
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func StreamRemote(ctx context.Context, address string, request Request, responseChan interface{}) (Streamer, error) {
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return DefaultClient.StreamRemote(ctx, address, request, responseChan)
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func StreamRemote(ctx context.Context, address string, request Request, responseChan interface{}, opts ...CallOption) (Streamer, error) {
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return DefaultClient.StreamRemote(ctx, address, request, responseChan, opts...)
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}
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// Publishes a publication using the default client. Using the underlying broker
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@ -17,6 +17,10 @@ type options struct {
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selector Selector
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}
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type callOptions struct{}
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type publishOptions struct{}
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// Broker to be used for pub/sub
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func Broker(b broker.Broker) Option {
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return func(o *options) {
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@ -148,12 +148,11 @@ func (r *rpcClient) stream(ctx context.Context, address string, request Request,
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}, nil
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}
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func (r *rpcClient) CallRemote(ctx context.Context, address string, request Request, response interface{}) error {
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func (r *rpcClient) CallRemote(ctx context.Context, address string, request Request, response interface{}, opts ...CallOption) error {
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return r.call(ctx, address, request, response)
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}
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// TODO: Call(..., opts *Options) error {
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func (r *rpcClient) Call(ctx context.Context, request Request, response interface{}) error {
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func (r *rpcClient) Call(ctx context.Context, request Request, response interface{}, opts ...CallOption) error {
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node, err := r.sel.Select(ctx, request)
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if err != nil {
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return err
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@ -169,11 +168,11 @@ func (r *rpcClient) Call(ctx context.Context, request Request, response interfac
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return err
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}
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func (r *rpcClient) StreamRemote(ctx context.Context, address string, request Request, responseChan interface{}) (Streamer, error) {
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func (r *rpcClient) StreamRemote(ctx context.Context, address string, request Request, responseChan interface{}, opts ...CallOption) (Streamer, error) {
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return r.stream(ctx, address, request, responseChan)
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}
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func (r *rpcClient) Stream(ctx context.Context, request Request, responseChan interface{}) (Streamer, error) {
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func (r *rpcClient) Stream(ctx context.Context, request Request, responseChan interface{}, opts ...CallOption) (Streamer, error) {
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node, err := r.sel.Select(ctx, request)
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if err != nil {
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return nil, err
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@ -189,7 +188,7 @@ func (r *rpcClient) Stream(ctx context.Context, request Request, responseChan in
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return stream, err
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}
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func (r *rpcClient) Publish(ctx context.Context, p Publication) error {
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func (r *rpcClient) Publish(ctx context.Context, p Publication, opts ...PublishOption) error {
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md, ok := c.GetMetadata(ctx)
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if !ok {
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md = make(map[string]string)
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@ -18,7 +18,7 @@ type logWrapper struct {
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client.Client
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}
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func (l *logWrapper) Call(ctx context.Context, req client.Request, rsp interface{}) error {
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func (l *logWrapper) Call(ctx context.Context, req client.Request, rsp interface{}, opts ...client.CallOption) error {
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md, _ := c.GetMetadata(ctx)
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fmt.Printf("[Log Wrapper] ctx: %v service: %s method: %s\n", md, req.Service(), req.Method())
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return l.Client.Call(ctx, req, rsp)
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@ -29,7 +29,7 @@ type traceWrapper struct {
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client.Client
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}
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func (t *traceWrapper) Call(ctx context.Context, req client.Request, rsp interface{}) error {
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func (t *traceWrapper) Call(ctx context.Context, req client.Request, rsp interface{}, opts ...client.CallOption) error {
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ctx = c.WithMetadata(ctx, map[string]string{
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"X-Trace-Id": fmt.Sprintf("%d", time.Now().Unix()),
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})
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