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weaver_gen.go
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weaver_gen.go
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//go:build !ignoreWeaverGen
package main
// Code generated by "weaver generate". DO NOT EDIT.
import (
"context"
"errors"
"github.com/ServiceWeaver/weaver"
"github.com/ServiceWeaver/weaver/runtime/codegen"
"go.opentelemetry.io/otel/codes"
"go.opentelemetry.io/otel/trace"
"reflect"
"time"
)
var _ codegen.LatestVersion = codegen.Version[[0][11]struct{}]("You used 'weaver generate' codegen version 0.11.0, but you built your code with an incompatible weaver module version. Try upgrading 'weaver generate' and re-running it.")
func init() {
codegen.Register(codegen.Registration{
Name: "github.com/ServiceWeaver/weaver/examples/collatz/Even",
Iface: reflect.TypeOf((*Even)(nil)).Elem(),
Impl: reflect.TypeOf(even{}),
LocalStubFn: func(impl any, tracer trace.Tracer) any { return even_local_stub{impl: impl.(Even), tracer: tracer} },
ClientStubFn: func(stub codegen.Stub, caller string) any {
return even_client_stub{stub: stub, doMetrics: codegen.MethodMetricsFor(codegen.MethodLabels{Caller: caller, Component: "github.com/ServiceWeaver/weaver/examples/collatz/Even", Method: "Do"})}
},
ServerStubFn: func(impl any, addLoad func(uint64, float64)) codegen.Server {
return even_server_stub{impl: impl.(Even), addLoad: addLoad}
},
RefData: "",
})
codegen.Register(codegen.Registration{
Name: "github.com/ServiceWeaver/weaver/Main",
Iface: reflect.TypeOf((*weaver.Main)(nil)).Elem(),
Impl: reflect.TypeOf(server{}),
LocalStubFn: func(impl any, tracer trace.Tracer) any {
return main_local_stub{impl: impl.(weaver.Main), tracer: tracer}
},
ClientStubFn: func(stub codegen.Stub, caller string) any { return main_client_stub{stub: stub} },
ServerStubFn: func(impl any, addLoad func(uint64, float64)) codegen.Server {
return main_server_stub{impl: impl.(weaver.Main), addLoad: addLoad}
},
RefData: "⟦f95ad2dd:wEaVeReDgE:github.com/ServiceWeaver/weaver/Main→github.com/ServiceWeaver/weaver/examples/collatz/Odd⟧\n⟦987c175b:wEaVeReDgE:github.com/ServiceWeaver/weaver/Main→github.com/ServiceWeaver/weaver/examples/collatz/Even⟧\n⟦f3b62957:wEaVeRlIsTeNeRs:github.com/ServiceWeaver/weaver/Main→collatz⟧\n",
})
codegen.Register(codegen.Registration{
Name: "github.com/ServiceWeaver/weaver/examples/collatz/Odd",
Iface: reflect.TypeOf((*Odd)(nil)).Elem(),
Impl: reflect.TypeOf(odd{}),
LocalStubFn: func(impl any, tracer trace.Tracer) any { return odd_local_stub{impl: impl.(Odd), tracer: tracer} },
ClientStubFn: func(stub codegen.Stub, caller string) any {
return odd_client_stub{stub: stub, doMetrics: codegen.MethodMetricsFor(codegen.MethodLabels{Caller: caller, Component: "github.com/ServiceWeaver/weaver/examples/collatz/Odd", Method: "Do"})}
},
ServerStubFn: func(impl any, addLoad func(uint64, float64)) codegen.Server {
return odd_server_stub{impl: impl.(Odd), addLoad: addLoad}
},
RefData: "",
})
}
// weaver.Instance checks.
var _ weaver.InstanceOf[Even] = (*even)(nil)
var _ weaver.InstanceOf[weaver.Main] = (*server)(nil)
var _ weaver.InstanceOf[Odd] = (*odd)(nil)
// weaver.Router checks.
var _ weaver.Unrouted = (*even)(nil)
var _ weaver.Unrouted = (*server)(nil)
var _ weaver.Unrouted = (*odd)(nil)
// Local stub implementations.
type even_local_stub struct {
impl Even
tracer trace.Tracer
}
// Check that even_local_stub implements the Even interface.
var _ Even = (*even_local_stub)(nil)
func (s even_local_stub) Do(ctx context.Context, a0 int) (r0 int, err error) {
span := trace.SpanFromContext(ctx)
if span.SpanContext().IsValid() {
// Create a child span for this method.
ctx, span = s.tracer.Start(ctx, "main.Even.Do", trace.WithSpanKind(trace.SpanKindInternal))
defer func() {
if err != nil {
span.RecordError(err)
span.SetStatus(codes.Error, err.Error())
}
span.End()
}()
}
return s.impl.Do(ctx, a0)
}
type main_local_stub struct {
impl weaver.Main
tracer trace.Tracer
}
// Check that main_local_stub implements the weaver.Main interface.
var _ weaver.Main = (*main_local_stub)(nil)
type odd_local_stub struct {
impl Odd
tracer trace.Tracer
}
// Check that odd_local_stub implements the Odd interface.
var _ Odd = (*odd_local_stub)(nil)
func (s odd_local_stub) Do(ctx context.Context, a0 int) (r0 int, err error) {
span := trace.SpanFromContext(ctx)
if span.SpanContext().IsValid() {
// Create a child span for this method.
ctx, span = s.tracer.Start(ctx, "main.Odd.Do", trace.WithSpanKind(trace.SpanKindInternal))
defer func() {
if err != nil {
span.RecordError(err)
span.SetStatus(codes.Error, err.Error())
}
span.End()
}()
}
return s.impl.Do(ctx, a0)
}
// Client stub implementations.
type even_client_stub struct {
stub codegen.Stub
doMetrics *codegen.MethodMetrics
}
// Check that even_client_stub implements the Even interface.
var _ Even = (*even_client_stub)(nil)
func (s even_client_stub) Do(ctx context.Context, a0 int) (r0 int, err error) {
// Update metrics.
start := time.Now()
s.doMetrics.Count.Add(1)
span := trace.SpanFromContext(ctx)
if span.SpanContext().IsValid() {
// Create a child span for this method.
ctx, span = s.stub.Tracer().Start(ctx, "main.Even.Do", trace.WithSpanKind(trace.SpanKindClient))
}
defer func() {
// Catch and return any panics detected during encoding/decoding/rpc.
if err == nil {
err = codegen.CatchPanics(recover())
if err != nil {
err = errors.Join(weaver.RemoteCallError, err)
}
}
if err != nil {
span.RecordError(err)
span.SetStatus(codes.Error, err.Error())
s.doMetrics.ErrorCount.Add(1)
}
span.End()
s.doMetrics.Latency.Put(float64(time.Since(start).Microseconds()))
}()
// Preallocate a buffer of the right size.
size := 0
size += 8
enc := codegen.NewEncoder()
enc.Reset(size)
// Encode arguments.
enc.Int(a0)
var shardKey uint64
// Call the remote method.
s.doMetrics.BytesRequest.Put(float64(len(enc.Data())))
var results []byte
results, err = s.stub.Run(ctx, 0, enc.Data(), shardKey)
if err != nil {
err = errors.Join(weaver.RemoteCallError, err)
return
}
s.doMetrics.BytesReply.Put(float64(len(results)))
// Decode the results.
dec := codegen.NewDecoder(results)
r0 = dec.Int()
err = dec.Error()
return
}
type main_client_stub struct {
stub codegen.Stub
}
// Check that main_client_stub implements the weaver.Main interface.
var _ weaver.Main = (*main_client_stub)(nil)
type odd_client_stub struct {
stub codegen.Stub
doMetrics *codegen.MethodMetrics
}
// Check that odd_client_stub implements the Odd interface.
var _ Odd = (*odd_client_stub)(nil)
func (s odd_client_stub) Do(ctx context.Context, a0 int) (r0 int, err error) {
// Update metrics.
start := time.Now()
s.doMetrics.Count.Add(1)
span := trace.SpanFromContext(ctx)
if span.SpanContext().IsValid() {
// Create a child span for this method.
ctx, span = s.stub.Tracer().Start(ctx, "main.Odd.Do", trace.WithSpanKind(trace.SpanKindClient))
}
defer func() {
// Catch and return any panics detected during encoding/decoding/rpc.
if err == nil {
err = codegen.CatchPanics(recover())
if err != nil {
err = errors.Join(weaver.RemoteCallError, err)
}
}
if err != nil {
span.RecordError(err)
span.SetStatus(codes.Error, err.Error())
s.doMetrics.ErrorCount.Add(1)
}
span.End()
s.doMetrics.Latency.Put(float64(time.Since(start).Microseconds()))
}()
// Preallocate a buffer of the right size.
size := 0
size += 8
enc := codegen.NewEncoder()
enc.Reset(size)
// Encode arguments.
enc.Int(a0)
var shardKey uint64
// Call the remote method.
s.doMetrics.BytesRequest.Put(float64(len(enc.Data())))
var results []byte
results, err = s.stub.Run(ctx, 0, enc.Data(), shardKey)
if err != nil {
err = errors.Join(weaver.RemoteCallError, err)
return
}
s.doMetrics.BytesReply.Put(float64(len(results)))
// Decode the results.
dec := codegen.NewDecoder(results)
r0 = dec.Int()
err = dec.Error()
return
}
// Server stub implementations.
type even_server_stub struct {
impl Even
addLoad func(key uint64, load float64)
}
// Check that even_server_stub implements the codegen.Server interface.
var _ codegen.Server = (*even_server_stub)(nil)
// GetStubFn implements the codegen.Server interface.
func (s even_server_stub) GetStubFn(method string) func(ctx context.Context, args []byte) ([]byte, error) {
switch method {
case "Do":
return s.do
default:
return nil
}
}
func (s even_server_stub) do(ctx context.Context, args []byte) (res []byte, err error) {
// Catch and return any panics detected during encoding/decoding/rpc.
defer func() {
if err == nil {
err = codegen.CatchPanics(recover())
}
}()
// Decode arguments.
dec := codegen.NewDecoder(args)
var a0 int
a0 = dec.Int()
// TODO(rgrandl): The deferred function above will recover from panics in the
// user code: fix this.
// Call the local method.
r0, appErr := s.impl.Do(ctx, a0)
// Encode the results.
enc := codegen.NewEncoder()
enc.Int(r0)
enc.Error(appErr)
return enc.Data(), nil
}
type main_server_stub struct {
impl weaver.Main
addLoad func(key uint64, load float64)
}
// Check that main_server_stub implements the codegen.Server interface.
var _ codegen.Server = (*main_server_stub)(nil)
// GetStubFn implements the codegen.Server interface.
func (s main_server_stub) GetStubFn(method string) func(ctx context.Context, args []byte) ([]byte, error) {
switch method {
default:
return nil
}
}
type odd_server_stub struct {
impl Odd
addLoad func(key uint64, load float64)
}
// Check that odd_server_stub implements the codegen.Server interface.
var _ codegen.Server = (*odd_server_stub)(nil)
// GetStubFn implements the codegen.Server interface.
func (s odd_server_stub) GetStubFn(method string) func(ctx context.Context, args []byte) ([]byte, error) {
switch method {
case "Do":
return s.do
default:
return nil
}
}
func (s odd_server_stub) do(ctx context.Context, args []byte) (res []byte, err error) {
// Catch and return any panics detected during encoding/decoding/rpc.
defer func() {
if err == nil {
err = codegen.CatchPanics(recover())
}
}()
// Decode arguments.
dec := codegen.NewDecoder(args)
var a0 int
a0 = dec.Int()
// TODO(rgrandl): The deferred function above will recover from panics in the
// user code: fix this.
// Call the local method.
r0, appErr := s.impl.Do(ctx, a0)
// Encode the results.
enc := codegen.NewEncoder()
enc.Int(r0)
enc.Error(appErr)
return enc.Data(), nil
}