update micro, add Health/Live/Ready checks
Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
This commit is contained in:
parent
28234bcc3c
commit
66756f74dd
19
go.mod
19
go.mod
@ -1,20 +1,19 @@
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module go.unistack.org/micro-server-grpc/v3
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go 1.22
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go 1.22.7
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toolchain go1.23.1
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toolchain go1.23.3
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require (
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github.com/golang/protobuf v1.5.4
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go.unistack.org/micro/v3 v3.10.97
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golang.org/x/net v0.30.0
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google.golang.org/grpc v1.67.1
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google.golang.org/protobuf v1.35.1
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go.unistack.org/micro/v3 v3.10.109
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golang.org/x/net v0.31.0
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google.golang.org/grpc v1.68.0
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google.golang.org/protobuf v1.35.2
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)
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require (
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go.unistack.org/micro-proto/v3 v3.4.1 // indirect
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golang.org/x/sys v0.26.0 // indirect
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golang.org/x/text v0.19.0 // indirect
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google.golang.org/genproto/googleapis/rpc v0.0.0-20241007155032-5fefd90f89a9 // indirect
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golang.org/x/sys v0.27.0 // indirect
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golang.org/x/text v0.20.0 // indirect
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google.golang.org/genproto/googleapis/rpc v0.0.0-20241118233622-e639e219e697 // indirect
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)
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28
go.sum
28
go.sum
@ -4,17 +4,17 @@ github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
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github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
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go.unistack.org/micro-proto/v3 v3.4.1 h1:UTjLSRz2YZuaHk9iSlVqqsA50JQNAEK2ZFboGqtEa9Q=
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go.unistack.org/micro-proto/v3 v3.4.1/go.mod h1:okx/cnOhzuCX0ggl/vToatbCupi0O44diiiLLsZ93Zo=
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go.unistack.org/micro/v3 v3.10.97 h1:8l7fv+i06/PjPrBBhRC/ZQkWGIOuHPg3jJN0vktYE78=
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go.unistack.org/micro/v3 v3.10.97/go.mod h1:YzMldzHN9Ei+zy5t/Psu7RUWDZwUfrNYiStSQtTz90g=
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golang.org/x/net v0.30.0 h1:AcW1SDZMkb8IpzCdQUaIq2sP4sZ4zw+55h6ynffypl4=
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golang.org/x/net v0.30.0/go.mod h1:2wGyMJ5iFasEhkwi13ChkO/t1ECNC4X4eBKkVFyYFlU=
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golang.org/x/sys v0.26.0 h1:KHjCJyddX0LoSTb3J+vWpupP9p0oznkqVk/IfjymZbo=
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golang.org/x/sys v0.26.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
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golang.org/x/text v0.19.0 h1:kTxAhCbGbxhK0IwgSKiMO5awPoDQ0RpfiVYBfK860YM=
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golang.org/x/text v0.19.0/go.mod h1:BuEKDfySbSR4drPmRPG/7iBdf8hvFMuRexcpahXilzY=
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google.golang.org/genproto/googleapis/rpc v0.0.0-20241007155032-5fefd90f89a9 h1:QCqS/PdaHTSWGvupk2F/ehwHtGc0/GYkT+3GAcR1CCc=
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google.golang.org/genproto/googleapis/rpc v0.0.0-20241007155032-5fefd90f89a9/go.mod h1:GX3210XPVPUjJbTUbvwI8f2IpZDMZuPJWDzDuebbviI=
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google.golang.org/grpc v1.67.1 h1:zWnc1Vrcno+lHZCOofnIMvycFcc0QRGIzm9dhnDX68E=
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google.golang.org/grpc v1.67.1/go.mod h1:1gLDyUQU7CTLJI90u3nXZ9ekeghjeM7pTDZlqFNg2AA=
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google.golang.org/protobuf v1.35.1 h1:m3LfL6/Ca+fqnjnlqQXNpFPABW1UD7mjh8KO2mKFytA=
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google.golang.org/protobuf v1.35.1/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
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go.unistack.org/micro/v3 v3.10.109 h1:WVta6KrkPoFQcH/H+Mum4G35m7mmmK2Gs3yizrzXv+w=
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go.unistack.org/micro/v3 v3.10.109/go.mod h1:YzMldzHN9Ei+zy5t/Psu7RUWDZwUfrNYiStSQtTz90g=
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golang.org/x/net v0.31.0 h1:68CPQngjLL0r2AlUKiSxtQFKvzRVbnzLwMUn5SzcLHo=
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golang.org/x/net v0.31.0/go.mod h1:P4fl1q7dY2hnZFxEk4pPSkDHF+QqjitcnDjUQyMM+pM=
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golang.org/x/sys v0.27.0 h1:wBqf8DvsY9Y/2P8gAfPDEYNuS30J4lPHJxXSb/nJZ+s=
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golang.org/x/sys v0.27.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
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golang.org/x/text v0.20.0 h1:gK/Kv2otX8gz+wn7Rmb3vT96ZwuoxnQlY+HlJVj7Qug=
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golang.org/x/text v0.20.0/go.mod h1:D4IsuqiFMhST5bX19pQ9ikHC2GsaKyk/oF+pn3ducp4=
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google.golang.org/genproto/googleapis/rpc v0.0.0-20241118233622-e639e219e697 h1:LWZqQOEjDyONlF1H6afSWpAL/znlREo2tHfLoe+8LMA=
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google.golang.org/genproto/googleapis/rpc v0.0.0-20241118233622-e639e219e697/go.mod h1:5uTbfoYQed2U9p3KIj2/Zzm02PYhndfdmML0qC3q3FU=
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google.golang.org/grpc v1.68.0 h1:aHQeeJbo8zAkAa3pRzrVjZlbz6uSfeOXlJNQM0RAbz0=
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google.golang.org/grpc v1.68.0/go.mod h1:fmSPC5AsjSBCK54MyHRx48kpOti1/jRfOlwEWywNjWA=
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google.golang.org/protobuf v1.35.2 h1:8Ar7bF+apOIoThw1EdZl0p1oWvMqTHmpA2fRTyZO8io=
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google.golang.org/protobuf v1.35.2/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
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34
grpc.go
34
grpc.go
@ -12,13 +12,13 @@ import (
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"strconv"
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"strings"
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"sync"
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"sync/atomic"
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"time"
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greflection "google.golang.org/grpc/reflection"
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reflectionv1pb "google.golang.org/grpc/reflection/grpc_reflection_v1"
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// nolint: staticcheck
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oldproto "github.com/golang/protobuf/proto"
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"go.unistack.org/micro/v3/broker"
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"go.unistack.org/micro/v3/codec"
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"go.unistack.org/micro/v3/errors"
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@ -39,6 +39,7 @@ import (
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"google.golang.org/grpc/peer"
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"google.golang.org/grpc/status"
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"google.golang.org/protobuf/proto"
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"google.golang.org/protobuf/protoadapt"
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)
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const (
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@ -75,6 +76,9 @@ type Server struct {
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opts server.Options
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unknownHandler grpc.StreamHandler
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sync.RWMutex
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stateLive *atomic.Uint32
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stateReady *atomic.Uint32
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stateHealth *atomic.Uint32
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started bool
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registered bool
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reflection bool
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@ -90,6 +94,9 @@ func newServer(opts ...server.Option) *Server {
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handlers: make(map[string]server.Handler),
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subscribers: make(map[*subscriber][]broker.Subscriber),
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exit: make(chan chan error),
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stateLive: &atomic.Uint32{},
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stateReady: &atomic.Uint32{},
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stateHealth: &atomic.Uint32{},
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}
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g.opts.Meter = g.opts.Meter.Clone(meter.Labels("type", "grpc"))
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@ -438,7 +445,7 @@ func (g *Server) processRequest(ctx context.Context, stream grpc.ServerStream, s
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// user defined error that proto based we can attach it to grpc status
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statusCode = convertCode(appErr)
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statusDesc = appErr.Error()
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errStatus, err = status.New(statusCode, statusDesc).WithDetails(oldproto.MessageV1(verr))
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errStatus, err = status.New(statusCode, statusDesc).WithDetails(protoadapt.MessageV1Of(verr))
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if err != nil {
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return err
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}
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@ -523,7 +530,7 @@ func (g *Server) processStream(ctx context.Context, stream grpc.ServerStream, se
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// user defined error that proto based we can attach it to grpc status
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statusCode = convertCode(appErr)
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statusDesc = appErr.Error()
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errStatus, err = status.New(statusCode, statusDesc).WithDetails(oldproto.MessageV1(verr))
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errStatus, err = status.New(statusCode, statusDesc).WithDetails(protoadapt.MessageV1Of(verr))
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if err != nil {
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return err
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}
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@ -834,6 +841,9 @@ func (g *Server) Start() error {
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}
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}
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}
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g.stateLive.Store(1)
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g.stateReady.Store(1)
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g.stateHealth.Store(1)
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}()
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go func() {
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@ -903,12 +913,18 @@ func (g *Server) Start() error {
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go func() {
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g.srv.GracefulStop()
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close(exit)
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g.stateLive.Store(0)
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g.stateReady.Store(0)
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g.stateHealth.Store(0)
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}()
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select {
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case <-exit:
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case <-time.After(g.opts.GracefulTimeout):
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g.srv.Stop()
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g.stateLive.Store(0)
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g.stateReady.Store(0)
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g.stateHealth.Store(0)
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}
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// close transport
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@ -965,6 +981,18 @@ func (g *Server) GRPCServer() *grpc.Server {
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return g.srv
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}
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func (g *Server) Live() bool {
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return g.stateLive.Load() == 1
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}
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func (g *Server) Ready() bool {
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return g.stateReady.Load() == 1
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}
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func (g *Server) Health() bool {
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return g.stateHealth.Load() == 1
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}
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func NewServer(opts ...server.Option) *Server {
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return newServer(opts...)
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}
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@ -1,489 +0,0 @@
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//go:build ignore
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// +build ignore
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/*
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*
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* Copyright 2016 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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/*
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Package reflection implements server reflection service.
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The service implemented is defined in:
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https://github.com/grpc/grpc/blob/master/src/proto/grpc/reflection/v1alpha/reflection.proto.
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To register server reflection on a gRPC server:
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import "google.golang.org/grpc/reflection"
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s := grpc.NewServer()
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pb.RegisterYourOwnServer(s, &server{})
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// Register reflection service on gRPC server.
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reflection.Register(s)
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s.Serve(lis)
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*/
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package grpc
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import (
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"bytes"
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"compress/gzip"
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"fmt"
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"io"
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"io/ioutil"
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"reflect"
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"sort"
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"sync"
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"github.com/golang/protobuf/proto"
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dpb "github.com/golang/protobuf/protoc-gen-go/descriptor"
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"google.golang.org/grpc"
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"google.golang.org/grpc/codes"
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rpb "google.golang.org/grpc/reflection/grpc_reflection_v1alpha"
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"google.golang.org/grpc/status"
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)
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type serverReflectionServer struct {
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rpb.UnimplementedServerReflectionServer
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s *grpc.Server
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initSymbols sync.Once
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serviceNames []string
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symbols map[string]*dpb.FileDescriptorProto // map of fully-qualified names to files
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}
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// Register registers the server reflection service on the given gRPC server.
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func Register(s *grpc.Server) {
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rpb.RegisterServerReflectionServer(s, &serverReflectionServer{
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s: s,
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})
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}
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// protoMessage is used for type assertion on proto messages.
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// Generated proto message implements function Descriptor(), but Descriptor()
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// is not part of interface proto.Message. This interface is needed to
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// call Descriptor().
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type protoMessage interface {
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Descriptor() ([]byte, []int)
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}
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func (s *serverReflectionServer) getSymbols() (svcNames []string, symbolIndex map[string]*dpb.FileDescriptorProto) {
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s.initSymbols.Do(func() {
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serviceInfo := s.s.GetServiceInfo()
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s.symbols = map[string]*dpb.FileDescriptorProto{}
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s.serviceNames = make([]string, 0, len(serviceInfo))
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processed := map[string]struct{}{}
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for svc, info := range serviceInfo {
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s.serviceNames = append(s.serviceNames, svc)
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fdenc, ok := parseMetadata(info.Metadata)
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if !ok {
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continue
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}
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fd, err := decodeFileDesc(fdenc)
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if err != nil {
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continue
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}
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s.processFile(fd, processed)
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}
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sort.Strings(s.serviceNames)
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})
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return s.serviceNames, s.symbols
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}
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func (s *serverReflectionServer) processFile(fd *dpb.FileDescriptorProto, processed map[string]struct{}) {
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filename := fd.GetName()
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if _, ok := processed[filename]; ok {
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return
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}
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processed[filename] = struct{}{}
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prefix := fd.GetPackage()
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for _, msg := range fd.MessageType {
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s.processMessage(fd, prefix, msg)
|
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}
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for _, en := range fd.EnumType {
|
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s.processEnum(fd, prefix, en)
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}
|
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for _, ext := range fd.Extension {
|
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s.processField(fd, prefix, ext)
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}
|
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for _, svc := range fd.Service {
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svcName := fqn(prefix, svc.GetName())
|
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s.symbols[svcName] = fd
|
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for _, meth := range svc.Method {
|
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name := fqn(svcName, meth.GetName())
|
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s.symbols[name] = fd
|
||||
}
|
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}
|
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|
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for _, dep := range fd.Dependency {
|
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fdenc := proto.FileDescriptor(dep)
|
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fdDep, err := decodeFileDesc(fdenc)
|
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if err != nil {
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continue
|
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}
|
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s.processFile(fdDep, processed)
|
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}
|
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}
|
||||
|
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func (s *serverReflectionServer) processMessage(fd *dpb.FileDescriptorProto, prefix string, msg *dpb.DescriptorProto) {
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msgName := fqn(prefix, msg.GetName())
|
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s.symbols[msgName] = fd
|
||||
|
||||
for _, nested := range msg.NestedType {
|
||||
s.processMessage(fd, msgName, nested)
|
||||
}
|
||||
for _, en := range msg.EnumType {
|
||||
s.processEnum(fd, msgName, en)
|
||||
}
|
||||
for _, ext := range msg.Extension {
|
||||
s.processField(fd, msgName, ext)
|
||||
}
|
||||
for _, fld := range msg.Field {
|
||||
s.processField(fd, msgName, fld)
|
||||
}
|
||||
for _, oneof := range msg.OneofDecl {
|
||||
oneofName := fqn(msgName, oneof.GetName())
|
||||
s.symbols[oneofName] = fd
|
||||
}
|
||||
}
|
||||
|
||||
func (s *serverReflectionServer) processEnum(fd *dpb.FileDescriptorProto, prefix string, en *dpb.EnumDescriptorProto) {
|
||||
enName := fqn(prefix, en.GetName())
|
||||
s.symbols[enName] = fd
|
||||
|
||||
for _, val := range en.Value {
|
||||
valName := fqn(enName, val.GetName())
|
||||
s.symbols[valName] = fd
|
||||
}
|
||||
}
|
||||
|
||||
func (s *serverReflectionServer) processField(fd *dpb.FileDescriptorProto, prefix string, fld *dpb.FieldDescriptorProto) {
|
||||
fldName := fqn(prefix, fld.GetName())
|
||||
s.symbols[fldName] = fd
|
||||
}
|
||||
|
||||
func fqn(prefix, name string) string {
|
||||
if prefix == "" {
|
||||
return name
|
||||
}
|
||||
return prefix + "." + name
|
||||
}
|
||||
|
||||
// fileDescForType gets the file descriptor for the given type.
|
||||
// The given type should be a proto message.
|
||||
func (s *serverReflectionServer) fileDescForType(st reflect.Type) (*dpb.FileDescriptorProto, error) {
|
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m, ok := reflect.Zero(reflect.PtrTo(st)).Interface().(protoMessage)
|
||||
if !ok {
|
||||
return nil, fmt.Errorf("failed to create message from type: %v", st)
|
||||
}
|
||||
enc, _ := m.Descriptor()
|
||||
|
||||
return decodeFileDesc(enc)
|
||||
}
|
||||
|
||||
// decodeFileDesc does decompression and unmarshalling on the given
|
||||
// file descriptor byte slice.
|
||||
func decodeFileDesc(enc []byte) (*dpb.FileDescriptorProto, error) {
|
||||
raw, err := decompress(enc)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("failed to decompress enc: %v", err)
|
||||
}
|
||||
|
||||
fd := new(dpb.FileDescriptorProto)
|
||||
if err := proto.Unmarshal(raw, fd); err != nil {
|
||||
return nil, fmt.Errorf("bad descriptor: %v", err)
|
||||
}
|
||||
return fd, nil
|
||||
}
|
||||
|
||||
// decompress does gzip decompression.
|
||||
func decompress(b []byte) ([]byte, error) {
|
||||
r, err := gzip.NewReader(bytes.NewReader(b))
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("bad gzipped descriptor: %v", err)
|
||||
}
|
||||
out, err := ioutil.ReadAll(r)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("bad gzipped descriptor: %v", err)
|
||||
}
|
||||
return out, nil
|
||||
}
|
||||
|
||||
func typeForName(name string) (reflect.Type, error) {
|
||||
pt := proto.MessageType(name)
|
||||
if pt == nil {
|
||||
return nil, fmt.Errorf("unknown type: %q", name)
|
||||
}
|
||||
st := pt.Elem()
|
||||
|
||||
return st, nil
|
||||
}
|
||||
|
||||
func fileDescContainingExtension(st reflect.Type, ext int32) (*dpb.FileDescriptorProto, error) {
|
||||
m, ok := reflect.Zero(reflect.PtrTo(st)).Interface().(proto.Message)
|
||||
if !ok {
|
||||
return nil, fmt.Errorf("failed to create message from type: %v", st)
|
||||
}
|
||||
|
||||
var extDesc *proto.ExtensionDesc
|
||||
for id, desc := range proto.RegisteredExtensions(m) {
|
||||
if id == ext {
|
||||
extDesc = desc
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
if extDesc == nil {
|
||||
return nil, fmt.Errorf("failed to find registered extension for extension number %v", ext)
|
||||
}
|
||||
|
||||
return decodeFileDesc(proto.FileDescriptor(extDesc.Filename))
|
||||
}
|
||||
|
||||
func (s *serverReflectionServer) allExtensionNumbersForType(st reflect.Type) ([]int32, error) {
|
||||
m, ok := reflect.Zero(reflect.PtrTo(st)).Interface().(proto.Message)
|
||||
if !ok {
|
||||
return nil, fmt.Errorf("failed to create message from type: %v", st)
|
||||
}
|
||||
|
||||
exts := proto.RegisteredExtensions(m)
|
||||
out := make([]int32, 0, len(exts))
|
||||
for id := range exts {
|
||||
out = append(out, id)
|
||||
}
|
||||
return out, nil
|
||||
}
|
||||
|
||||
// fileDescWithDependencies returns a slice of serialized fileDescriptors in
|
||||
// wire format ([]byte). The fileDescriptors will include fd and all the
|
||||
// transitive dependencies of fd with names not in sentFileDescriptors.
|
||||
func fileDescWithDependencies(fd *dpb.FileDescriptorProto, sentFileDescriptors map[string]bool) ([][]byte, error) {
|
||||
r := [][]byte{}
|
||||
queue := []*dpb.FileDescriptorProto{fd}
|
||||
for len(queue) > 0 {
|
||||
currentfd := queue[0]
|
||||
queue = queue[1:]
|
||||
if sent := sentFileDescriptors[currentfd.GetName()]; len(r) == 0 || !sent {
|
||||
sentFileDescriptors[currentfd.GetName()] = true
|
||||
currentfdEncoded, err := proto.Marshal(currentfd)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
r = append(r, currentfdEncoded)
|
||||
}
|
||||
for _, dep := range currentfd.Dependency {
|
||||
fdenc := proto.FileDescriptor(dep)
|
||||
fdDep, err := decodeFileDesc(fdenc)
|
||||
if err != nil {
|
||||
continue
|
||||
}
|
||||
queue = append(queue, fdDep)
|
||||
}
|
||||
}
|
||||
return r, nil
|
||||
}
|
||||
|
||||
// fileDescEncodingByFilename finds the file descriptor for given filename,
|
||||
// finds all of its previously unsent transitive dependencies, does marshalling
|
||||
// on them, and returns the marshalled result.
|
||||
func (s *serverReflectionServer) fileDescEncodingByFilename(name string, sentFileDescriptors map[string]bool) ([][]byte, error) {
|
||||
enc := proto.FileDescriptor(name)
|
||||
if enc == nil {
|
||||
return nil, fmt.Errorf("unknown file: %v", name)
|
||||
}
|
||||
fd, err := decodeFileDesc(enc)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return fileDescWithDependencies(fd, sentFileDescriptors)
|
||||
}
|
||||
|
||||
// parseMetadata finds the file descriptor bytes specified meta.
|
||||
// For SupportPackageIsVersion4, m is the name of the proto file, we
|
||||
// call proto.FileDescriptor to get the byte slice.
|
||||
// For SupportPackageIsVersion3, m is a byte slice itself.
|
||||
func parseMetadata(meta interface{}) ([]byte, bool) {
|
||||
// Check if meta is the file name.
|
||||
if fileNameForMeta, ok := meta.(string); ok {
|
||||
return proto.FileDescriptor(fileNameForMeta), true
|
||||
}
|
||||
|
||||
// Check if meta is the byte slice.
|
||||
if enc, ok := meta.([]byte); ok {
|
||||
return enc, true
|
||||
}
|
||||
|
||||
return nil, false
|
||||
}
|
||||
|
||||
// fileDescEncodingContainingSymbol finds the file descriptor containing the
|
||||
// given symbol, finds all of its previously unsent transitive dependencies,
|
||||
// does marshalling on them, and returns the marshalled result. The given symbol
|
||||
// can be a type, a service or a method.
|
||||
func (s *serverReflectionServer) fileDescEncodingContainingSymbol(name string, sentFileDescriptors map[string]bool) ([][]byte, error) {
|
||||
_, symbols := s.getSymbols()
|
||||
fd := symbols[name]
|
||||
if fd == nil {
|
||||
// Check if it's a type name that was not present in the
|
||||
// transitive dependencies of the registered services.
|
||||
if st, err := typeForName(name); err == nil {
|
||||
fd, err = s.fileDescForType(st)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if fd == nil {
|
||||
return nil, fmt.Errorf("unknown symbol: %v", name)
|
||||
}
|
||||
|
||||
return fileDescWithDependencies(fd, sentFileDescriptors)
|
||||
}
|
||||
|
||||
// fileDescEncodingContainingExtension finds the file descriptor containing
|
||||
// given extension, finds all of its previously unsent transitive dependencies,
|
||||
// does marshalling on them, and returns the marshalled result.
|
||||
func (s *serverReflectionServer) fileDescEncodingContainingExtension(typeName string, extNum int32, sentFileDescriptors map[string]bool) ([][]byte, error) {
|
||||
st, err := typeForName(typeName)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
fd, err := fileDescContainingExtension(st, extNum)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return fileDescWithDependencies(fd, sentFileDescriptors)
|
||||
}
|
||||
|
||||
// allExtensionNumbersForTypeName returns all extension numbers for the given type.
|
||||
func (s *serverReflectionServer) allExtensionNumbersForTypeName(name string) ([]int32, error) {
|
||||
st, err := typeForName(name)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
extNums, err := s.allExtensionNumbersForType(st)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return extNums, nil
|
||||
}
|
||||
|
||||
// ServerReflectionInfo is the reflection service handler.
|
||||
func (s *serverReflectionServer) ServerReflectionInfo(stream rpb.ServerReflection_ServerReflectionInfoServer) error {
|
||||
sentFileDescriptors := make(map[string]bool)
|
||||
for {
|
||||
in, err := stream.Recv()
|
||||
if err == io.EOF {
|
||||
return nil
|
||||
}
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
out := &rpb.ServerReflectionResponse{
|
||||
ValidHost: in.Host,
|
||||
OriginalRequest: in,
|
||||
}
|
||||
switch req := in.MessageRequest.(type) {
|
||||
case *rpb.ServerReflectionRequest_FileByFilename:
|
||||
b, err := s.fileDescEncodingByFilename(req.FileByFilename, sentFileDescriptors)
|
||||
if err != nil {
|
||||
out.MessageResponse = &rpb.ServerReflectionResponse_ErrorResponse{
|
||||
ErrorResponse: &rpb.ErrorResponse{
|
||||
ErrorCode: int32(codes.NotFound),
|
||||
ErrorMessage: err.Error(),
|
||||
},
|
||||
}
|
||||
} else {
|
||||
out.MessageResponse = &rpb.ServerReflectionResponse_FileDescriptorResponse{
|
||||
FileDescriptorResponse: &rpb.FileDescriptorResponse{FileDescriptorProto: b},
|
||||
}
|
||||
}
|
||||
case *rpb.ServerReflectionRequest_FileContainingSymbol:
|
||||
b, err := s.fileDescEncodingContainingSymbol(req.FileContainingSymbol, sentFileDescriptors)
|
||||
if err != nil {
|
||||
out.MessageResponse = &rpb.ServerReflectionResponse_ErrorResponse{
|
||||
ErrorResponse: &rpb.ErrorResponse{
|
||||
ErrorCode: int32(codes.NotFound),
|
||||
ErrorMessage: err.Error(),
|
||||
},
|
||||
}
|
||||
} else {
|
||||
out.MessageResponse = &rpb.ServerReflectionResponse_FileDescriptorResponse{
|
||||
FileDescriptorResponse: &rpb.FileDescriptorResponse{FileDescriptorProto: b},
|
||||
}
|
||||
}
|
||||
case *rpb.ServerReflectionRequest_FileContainingExtension:
|
||||
typeName := req.FileContainingExtension.ContainingType
|
||||
extNum := req.FileContainingExtension.ExtensionNumber
|
||||
b, err := s.fileDescEncodingContainingExtension(typeName, extNum, sentFileDescriptors)
|
||||
if err != nil {
|
||||
out.MessageResponse = &rpb.ServerReflectionResponse_ErrorResponse{
|
||||
ErrorResponse: &rpb.ErrorResponse{
|
||||
ErrorCode: int32(codes.NotFound),
|
||||
ErrorMessage: err.Error(),
|
||||
},
|
||||
}
|
||||
} else {
|
||||
out.MessageResponse = &rpb.ServerReflectionResponse_FileDescriptorResponse{
|
||||
FileDescriptorResponse: &rpb.FileDescriptorResponse{FileDescriptorProto: b},
|
||||
}
|
||||
}
|
||||
case *rpb.ServerReflectionRequest_AllExtensionNumbersOfType:
|
||||
extNums, err := s.allExtensionNumbersForTypeName(req.AllExtensionNumbersOfType)
|
||||
if err != nil {
|
||||
out.MessageResponse = &rpb.ServerReflectionResponse_ErrorResponse{
|
||||
ErrorResponse: &rpb.ErrorResponse{
|
||||
ErrorCode: int32(codes.NotFound),
|
||||
ErrorMessage: err.Error(),
|
||||
},
|
||||
}
|
||||
} else {
|
||||
out.MessageResponse = &rpb.ServerReflectionResponse_AllExtensionNumbersResponse{
|
||||
AllExtensionNumbersResponse: &rpb.ExtensionNumberResponse{
|
||||
BaseTypeName: req.AllExtensionNumbersOfType,
|
||||
ExtensionNumber: extNums,
|
||||
},
|
||||
}
|
||||
}
|
||||
case *rpb.ServerReflectionRequest_ListServices:
|
||||
svcNames, _ := s.getSymbols()
|
||||
serviceResponses := make([]*rpb.ServiceResponse, len(svcNames))
|
||||
for i, n := range svcNames {
|
||||
serviceResponses[i] = &rpb.ServiceResponse{
|
||||
Name: n,
|
||||
}
|
||||
}
|
||||
out.MessageResponse = &rpb.ServerReflectionResponse_ListServicesResponse{
|
||||
ListServicesResponse: &rpb.ListServiceResponse{
|
||||
Service: serviceResponses,
|
||||
},
|
||||
}
|
||||
default:
|
||||
return status.Errorf(codes.InvalidArgument, "invalid MessageRequest: %v", in.MessageRequest)
|
||||
}
|
||||
|
||||
if err := stream.Send(out); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user