ClientAddContextTags returns a context with specified opentracing tags, which are used by UnaryClientInterceptor/StreamClientInterceptor when creating a new span.

StreamClientInterceptor returns a new streaming client interceptor for OpenTracing.

StreamServerInterceptor returns a new streaming server interceptor for OpenTracing.

UnaryClientInterceptor returns a new unary client interceptor for OpenTracing.

UnaryServerInterceptor returns a new unary server interceptor for OpenTracing.

WithFilterFunc customizes the function used for deciding whether a given call is traced or not.

WithOpName customizes the trace Operation name.

WithTraceHeaderName customizes the trace header name where trace metadata passed with requests.

WithTracer sets a custom tracer to be used for this middleware, otherwise the opentracing.GlobalTracer is used.

WithUnaryRequestHandlerFunc sets a custom handler for the request.

FilterFunc allows users to provide a function that filters out certain methods from being traced.

OpNameFunc is a func that allows custom operation names instead of the gRPC method.

UnaryRequestHandlerFunc is a custom request handler.