// Copyright 2015-2016 gRPC authors.
//
// 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
//
//     http://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.

// Contains the definitions for a metrics service and the type of metrics
// exposed by the service.
//
// Currently, 'Gauge' (i.e a metric that represents the measured value of
// something at an instant of time) is the only metric type supported by the
// service.

// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
// versions:
// - protoc-gen-go-grpc v1.5.1
// - protoc             v5.27.1
// source: interop/stress/grpc_testing/metrics.proto

package grpc_testing

import (
	context "context"
	grpc "google.golang.org/grpc"
	codes "google.golang.org/grpc/codes"
	status "google.golang.org/grpc/status"
)

// This is a compile-time assertion to ensure that this generated file
// is compatible with the grpc package it is being compiled against.
// Requires gRPC-Go v1.64.0 or later.
const _ = grpc.SupportPackageIsVersion9

const (
	MetricsService_GetAllGauges_FullMethodName = "/grpc.testing.MetricsService/GetAllGauges"
	MetricsService_GetGauge_FullMethodName     = "/grpc.testing.MetricsService/GetGauge"
)

// MetricsServiceClient is the client API for MetricsService service.
//
// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
type MetricsServiceClient interface {
	// Returns the values of all the gauges that are currently being maintained by
	// the service
	GetAllGauges(ctx context.Context, in *EmptyMessage, opts ...grpc.CallOption) (grpc.ServerStreamingClient[GaugeResponse], error)
	// Returns the value of one gauge
	GetGauge(ctx context.Context, in *GaugeRequest, opts ...grpc.CallOption) (*GaugeResponse, error)
}

type metricsServiceClient struct {
	cc grpc.ClientConnInterface
}

func NewMetricsServiceClient(cc grpc.ClientConnInterface) MetricsServiceClient {
	return &metricsServiceClient{cc}
}

func (c *metricsServiceClient) GetAllGauges(ctx context.Context, in *EmptyMessage, opts ...grpc.CallOption) (grpc.ServerStreamingClient[GaugeResponse], error) {
	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
	stream, err := c.cc.NewStream(ctx, &MetricsService_ServiceDesc.Streams[0], MetricsService_GetAllGauges_FullMethodName, cOpts...)
	if err != nil {
		return nil, err
	}
	x := &grpc.GenericClientStream[EmptyMessage, GaugeResponse]{ClientStream: stream}
	if err := x.ClientStream.SendMsg(in); err != nil {
		return nil, err
	}
	if err := x.ClientStream.CloseSend(); err != nil {
		return nil, err
	}
	return x, nil
}

// This type alias is provided for backwards compatibility with existing code that references the prior non-generic stream type by name.
type MetricsService_GetAllGaugesClient = grpc.ServerStreamingClient[GaugeResponse]

func (c *metricsServiceClient) GetGauge(ctx context.Context, in *GaugeRequest, opts ...grpc.CallOption) (*GaugeResponse, error) {
	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
	out := new(GaugeResponse)
	err := c.cc.Invoke(ctx, MetricsService_GetGauge_FullMethodName, in, out, cOpts...)
	if err != nil {
		return nil, err
	}
	return out, nil
}

// MetricsServiceServer is the server API for MetricsService service.
// All implementations must embed UnimplementedMetricsServiceServer
// for forward compatibility.
type MetricsServiceServer interface {
	// Returns the values of all the gauges that are currently being maintained by
	// the service
	GetAllGauges(*EmptyMessage, grpc.ServerStreamingServer[GaugeResponse]) error
	// Returns the value of one gauge
	GetGauge(context.Context, *GaugeRequest) (*GaugeResponse, error)
	mustEmbedUnimplementedMetricsServiceServer()
}

// UnimplementedMetricsServiceServer must be embedded to have
// forward compatible implementations.
//
// NOTE: this should be embedded by value instead of pointer to avoid a nil
// pointer dereference when methods are called.
type UnimplementedMetricsServiceServer struct{}

func (UnimplementedMetricsServiceServer) GetAllGauges(*EmptyMessage, grpc.ServerStreamingServer[GaugeResponse]) error {
	return status.Errorf(codes.Unimplemented, "method GetAllGauges not implemented")
}
func (UnimplementedMetricsServiceServer) GetGauge(context.Context, *GaugeRequest) (*GaugeResponse, error) {
	return nil, status.Errorf(codes.Unimplemented, "method GetGauge not implemented")
}
func (UnimplementedMetricsServiceServer) mustEmbedUnimplementedMetricsServiceServer() {}
func (UnimplementedMetricsServiceServer) testEmbeddedByValue()                        {}

// UnsafeMetricsServiceServer may be embedded to opt out of forward compatibility for this service.
// Use of this interface is not recommended, as added methods to MetricsServiceServer will
// result in compilation errors.
type UnsafeMetricsServiceServer interface {
	mustEmbedUnimplementedMetricsServiceServer()
}

func RegisterMetricsServiceServer(s grpc.ServiceRegistrar, srv MetricsServiceServer) {
	// If the following call panics, it indicates UnimplementedMetricsServiceServer was
	// embedded by pointer and is nil.  This will cause panics if an
	// unimplemented method is ever invoked, so we test this at initialization
	// time to prevent it from happening at runtime later due to I/O.
	if t, ok := srv.(interface{ testEmbeddedByValue() }); ok {
		t.testEmbeddedByValue()
	}
	s.RegisterService(&MetricsService_ServiceDesc, srv)
}

func _MetricsService_GetAllGauges_Handler(srv interface{}, stream grpc.ServerStream) error {
	m := new(EmptyMessage)
	if err := stream.RecvMsg(m); err != nil {
		return err
	}
	return srv.(MetricsServiceServer).GetAllGauges(m, &grpc.GenericServerStream[EmptyMessage, GaugeResponse]{ServerStream: stream})
}

// This type alias is provided for backwards compatibility with existing code that references the prior non-generic stream type by name.
type MetricsService_GetAllGaugesServer = grpc.ServerStreamingServer[GaugeResponse]

func _MetricsService_GetGauge_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
	in := new(GaugeRequest)
	if err := dec(in); err != nil {
		return nil, err
	}
	if interceptor == nil {
		return srv.(MetricsServiceServer).GetGauge(ctx, in)
	}
	info := &grpc.UnaryServerInfo{
		Server:     srv,
		FullMethod: MetricsService_GetGauge_FullMethodName,
	}
	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
		return srv.(MetricsServiceServer).GetGauge(ctx, req.(*GaugeRequest))
	}
	return interceptor(ctx, in, info, handler)
}

// MetricsService_ServiceDesc is the grpc.ServiceDesc for MetricsService service.
// It's only intended for direct use with grpc.RegisterService,
// and not to be introspected or modified (even as a copy)
var MetricsService_ServiceDesc = grpc.ServiceDesc{
	ServiceName: "grpc.testing.MetricsService",
	HandlerType: (*MetricsServiceServer)(nil),
	Methods: []grpc.MethodDesc{
		{
			MethodName: "GetGauge",
			Handler:    _MetricsService_GetGauge_Handler,
		},
	},
	Streams: []grpc.StreamDesc{
		{
			StreamName:    "GetAllGauges",
			Handler:       _MetricsService_GetAllGauges_Handler,
			ServerStreams: true,
		},
	},
	Metadata: "interop/stress/grpc_testing/metrics.proto",
}
