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fix the testMaxMsgSizeServerAPI failure

This commit is contained in:
Yuxuan Li 2017-04-06 14:08:04 -07:00
parent f1bb70facf
commit 6f8b55318a
6 changed files with 97 additions and 129 deletions
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14
call.go
View File

@ -150,16 +150,6 @@ func Invoke(ctx context.Context, method string, args, reply interface{}, cc *Cli
return invoke(ctx, method, args, reply, cc, opts...)
}
const defaultClientMaxReceiveMessageSize = 1024 * 1024 * 4
const defaultClientMaxSendMessageSize = 1024 * 1024 * 4
func min(a, b int) int {
if a < b {
return a
}
return b
}
func invoke(ctx context.Context, method string, args, reply interface{}, cc *ClientConn, opts ...CallOption) (e error) {
c := defaultCallInfo
maxReceiveMessageSize := defaultClientMaxReceiveMessageSize
@ -179,12 +169,16 @@ func invoke(ctx context.Context, method string, args, reply interface{}, cc *Cli
maxSendMessageSize = min(*mc.MaxReqSize, cc.dopts.maxSendMessageSize)
} else if mc.MaxReqSize != nil {
maxSendMessageSize = *mc.MaxReqSize
} else if mc.MaxReqSize == nil && cc.dopts.maxSendMessageSize >= 0 {
maxSendMessageSize = cc.dopts.maxSendMessageSize
}
if mc.MaxRespSize != nil && cc.dopts.maxReceiveMessageSize >= 0 {
maxReceiveMessageSize = min(*mc.MaxRespSize, cc.dopts.maxReceiveMessageSize)
} else if mc.MaxRespSize != nil {
maxReceiveMessageSize = *mc.MaxRespSize
} else if mc.MaxRespSize == nil && cc.dopts.maxReceiveMessageSize >= 0 {
maxReceiveMessageSize = cc.dopts.maxReceiveMessageSize
}
} else {
if cc.dopts.maxSendMessageSize >= 0 {

14
clientconn.go
View File

@ -36,7 +36,6 @@ package grpc
import (
"errors"
"fmt"
"math"
"net"
"strings"
"sync"
@ -103,16 +102,19 @@ type dialOptions struct {
maxSendMessageSize int
}
const defaultClientMaxMsgSize = math.MaxInt32
const (
defaultClientMaxReceiveMessageSize = 1024 * 1024 * 4
defaultClientMaxSendMessageSize = 1024 * 1024 * 4
defaultServerMaxReceiveMessageSize = 1024 * 1024 * 4
defaultServerMaxSendMessageSize = 1024 * 1024 * 4
)
// DialOption configures how we set up the connection.
type DialOption func(*dialOptions)
// WithMaxMsgSize returns a DialOption which sets the maximum message size the client can receive. This function is for backward API compatibility. It has essentially the same functionality as WithMaxReceiveMessageSize.
// WithMaxMsgSize Deprecated: use WithMaxReceiveMessageSize instead.
func WithMaxMsgSize(s int) DialOption {
return func(o *dialOptions) {
o.maxReceiveMessageSize = s
}
return WithMaxReceiveMessageSize(s)
}
// WithMaxReceiveMessageSize returns a DialOption which sets the maximum message size the client can receive. Negative input is invalid and has the same effect as not setting the field.

10
rpc_util.go
View File

@ -485,6 +485,9 @@ type ServiceConfig struct {
// via grpc.WithBalancer will override this.
LB Balancer
// Methods contains a map for the methods in this service.
// If there is an exact match for a method (i.e. /service/method) in the map, use the corresponding MethodConfig.
// If there's no exact match, look for the default config for all methods under the service (/service/) and use the corresponding MethodConfig.
// Otherwise, the method has no MethodConfig to use.
Methods map[string]MethodConfig
}
@ -498,3 +501,10 @@ const SupportPackageIsVersion4 = true
// Version is the current grpc version.
const Version = "1.3.0-dev"
func min(a, b int) int {
if a < b {
return a
}
return b
}

21
server.go
View File

@ -125,9 +125,6 @@ type options struct {
keepalivePolicy keepalive.EnforcementPolicy
}
const defaultServerMaxReceiveMessageSize = 1024 * 1024 * 4 // Use 4MB as the default receive message size limit.
const defaultServerMaxSendMessageSize = 1024 * 1024 * 4 // Use 4MB as the default send message size limit.
// A ServerOption sets options.
type ServerOption func(*options)
@ -166,12 +163,9 @@ func RPCDecompressor(dc Decompressor) ServerOption {
}
}
// MaxMsgSize returns a ServerOption to set the max message size in bytes for inbound mesages.
// If this is not set, gRPC uses the default 4MB. This function is for backward compatability. It has essentially the same functionality as MaxReceiveMessageSize.
// MaxMsgSize Deprecated: use MaxReceiveMessageSize instead.
func MaxMsgSize(m int) ServerOption {
return func(o *options) {
o.maxReceiveMessageSize = m
}
return MaxReceiveMessageSize(m)
}
// MaxReceiveMessageSize returns a ServerOption to set the max message size in bytes for inbound mesages.
@ -650,7 +644,7 @@ func (s *Server) sendResponse(t transport.ServerTransport, stream *transport.Str
grpclog.Fatalf("grpc: Server failed to encode response %v", err)
}
if len(p) > s.opts.maxSendMessageSize {
return Errorf(codes.InvalidArgument, "Sent message larger than max (%d vs. %d)", len(p), s.opts.maxSendMessageSize)
return status.Errorf(codes.InvalidArgument, "Sent message larger than max (%d vs. %d)", len(p), s.opts.maxSendMessageSize)
}
err = t.Write(stream, p, opts)
if err == nil && outPayload != nil {
@ -755,7 +749,7 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport.
if len(req) > s.opts.maxReceiveMessageSize {
// TODO: Revisit the error code. Currently keep it consistent with
// java implementation.
return status.Errorf(codes.InvalidArgument, "grpc: server received a message of %d bytes exceeding %d limit", len(req), s.opts.maxReceiveMessageSize)
return status.Errorf(codes.InvalidArgument, "Received message larger than max (%d vs. %d)", len(req), s.opts.maxReceiveMessageSize)
}
if err := s.opts.codec.Unmarshal(req, v); err != nil {
return status.Errorf(codes.Internal, "grpc: error unmarshalling request: %v", err)
@ -798,6 +792,13 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport.
if err := s.sendResponse(t, stream, reply, s.opts.cp, opts); err != nil {
// TODO: Translate error into a status.Status error if necessary?
// TODO: Write status when appropriate.
switch e := err.(type) {
case status.Status:
if se := t.WriteStatus(stream, e); e != nil {
grpclog.Printf("grpc: Server.processUnaryRPC failed to write status %v", se)
}
default:
}
return err
}
if trInfo != nil {

6
stream.go
View File

@ -115,7 +115,6 @@ func newClientStream(ctx context.Context, desc *StreamDesc, cc *ClientConn, meth
c := defaultCallInfo
maxReceiveMessageSize := defaultClientMaxReceiveMessageSize
maxSendMessageSize := defaultClientMaxSendMessageSize
if mc, ok := cc.GetMethodConfig(method); ok {
if mc.WaitForReady != nil {
c.failFast = !*mc.WaitForReady
@ -131,12 +130,16 @@ func newClientStream(ctx context.Context, desc *StreamDesc, cc *ClientConn, meth
maxSendMessageSize = min(*mc.MaxReqSize, cc.dopts.maxSendMessageSize)
} else if mc.MaxReqSize != nil {
maxSendMessageSize = *mc.MaxReqSize
} else if mc.MaxReqSize == nil && cc.dopts.maxSendMessageSize >= 0 {
maxSendMessageSize = cc.dopts.maxSendMessageSize
}
if mc.MaxRespSize != nil && cc.dopts.maxReceiveMessageSize >= 0 {
maxReceiveMessageSize = min(*mc.MaxRespSize, cc.dopts.maxReceiveMessageSize)
} else if mc.MaxRespSize != nil {
maxReceiveMessageSize = *mc.MaxRespSize
} else if mc.MaxRespSize == nil && cc.dopts.maxReceiveMessageSize >= 0 {
maxReceiveMessageSize = cc.dopts.maxReceiveMessageSize
}
} else {
if cc.dopts.maxSendMessageSize >= 0 {
@ -146,7 +149,6 @@ func newClientStream(ctx context.Context, desc *StreamDesc, cc *ClientConn, meth
maxReceiveMessageSize = cc.dopts.maxReceiveMessageSize
}
}
for _, o := range opts {
if err := o.before(&c); err != nil {
return nil, toRPCErr(err)

121
test/end2end_test.go
View File

@ -1078,7 +1078,8 @@ func TestServiceConfig(t *testing.T) {
func testServiceConfigSetup(t *testing.T, e env) (*test, chan grpc.ServiceConfig) {
te := newTest(t, e)
ch := make(chan grpc.ServiceConfig)
// We write before read.
ch := make(chan grpc.ServiceConfig, 1)
te.sc = ch
te.userAgent = testAppUA
te.declareLogNoise(
@ -1090,59 +1091,52 @@ func testServiceConfigSetup(t *testing.T, e env) (*test, chan grpc.ServiceConfig
return te, ch
}
func newBool(b bool) (a *bool) {
a = new(bool)
*a = b
return
}
func newInt(b int) (a *int) {
a = new(int)
*a = b
return
}
func newDuration(b time.Duration) (a *time.Duration) {
a = new(time.Duration)
*a = b
return
}
func testGetMethodConfig(t *testing.T, e env) {
te, ch := testServiceConfigSetup(t, e)
defer te.tearDown()
var wg sync.WaitGroup
wg.Add(1)
go func() {
defer wg.Done()
w1 := new(bool)
*w1 = true
to := new(time.Duration)
*to = time.Millisecond
mc1 := grpc.MethodConfig{
WaitForReady: w1,
Timeout: to,
}
w2 := new(bool)
*w2 = false
mc2 := grpc.MethodConfig{
WaitForReady: w2,
WaitForReady: newBool(true),
Timeout: newDuration(time.Millisecond),
}
mc2 := grpc.MethodConfig{WaitForReady: newBool(false)}
m := make(map[string]grpc.MethodConfig)
m["/grpc.testing.TestService/EmptyCall"] = mc1
m["/grpc.testing.TestService"] = mc2
m["/grpc.testing.TestService/"] = mc2
sc := grpc.ServiceConfig{
Methods: m,
}
ch <- sc
}()
cc := te.clientConn()
tc := testpb.NewTestServiceClient(cc)
// The following RPCs are expected to become non-fail-fast ones with 1ms deadline.
if _, err := tc.EmptyCall(context.Background(), &testpb.Empty{}); grpc.Code(err) != codes.DeadlineExceeded {
t.Fatalf("TestService/EmptyCall(_, _) = _, %v, want _, %s", err, codes.DeadlineExceeded)
}
wg.Wait()
w1 := new(bool)
*w1 = true
to := new(time.Duration)
*to = time.Millisecond
mc1 := grpc.MethodConfig{
WaitForReady: w1,
Timeout: to,
}
w2 := new(bool)
*w2 = false
mc2 := grpc.MethodConfig{
WaitForReady: w2,
}
m := make(map[string]grpc.MethodConfig)
m = make(map[string]grpc.MethodConfig)
m["/grpc.testing.TestService/UnaryCall"] = mc1
m["/grpc.testing.TestService/"] = mc2
sc := grpc.ServiceConfig{
sc = grpc.ServiceConfig{
Methods: m,
}
ch <- sc
@ -1163,17 +1157,9 @@ func testServiceConfigWaitForReady(t *testing.T, e env) {
defer te.tearDown()
// Case1: Client API set failfast to be false, and service config set wait_for_ready to be false, Client API should win, and the rpc will wait until deadline exceeds.
var wg sync.WaitGroup
wg.Add(1)
go func() {
defer wg.Done()
w := new(bool)
*w = false
to := new(time.Duration)
*to = time.Millisecond
mc := grpc.MethodConfig{
WaitForReady: w,
Timeout: to,
WaitForReady: newBool(false),
Timeout: newDuration(time.Millisecond),
}
m := make(map[string]grpc.MethodConfig)
m["/grpc.testing.TestService/EmptyCall"] = mc
@ -1182,7 +1168,7 @@ func testServiceConfigWaitForReady(t *testing.T, e env) {
Methods: m,
}
ch <- sc
}()
cc := te.clientConn()
tc := testpb.NewTestServiceClient(cc)
// The following RPCs are expected to become non-fail-fast ones with 1ms deadline.
@ -1192,22 +1178,14 @@ func testServiceConfigWaitForReady(t *testing.T, e env) {
if _, err := tc.FullDuplexCall(context.Background(), grpc.FailFast(false)); grpc.Code(err) != codes.DeadlineExceeded {
t.Fatalf("TestService/FullDuplexCall(_) = _, %v, want %s", err, codes.DeadlineExceeded)
}
wg.Wait()
// Generate a service config update.
// Case2: Client API does not set failfast, and service config set wait_for_ready to be true, and the rpc will wait until deadline exceeds.
w := new(bool)
*w = true
to := new(time.Duration)
*to = time.Millisecond
mc := grpc.MethodConfig{
WaitForReady: w,
Timeout: to,
}
m := make(map[string]grpc.MethodConfig)
mc.WaitForReady = newBool(true)
m = make(map[string]grpc.MethodConfig)
m["/grpc.testing.TestService/EmptyCall"] = mc
m["/grpc.testing.TestService/FullDuplexCall"] = mc
sc := grpc.ServiceConfig{
sc = grpc.ServiceConfig{
Methods: m,
}
ch <- sc
@ -1250,14 +1228,11 @@ func testServiceConfigMaxMsgSize(t *testing.T, e env) {
t.Fatal(err)
}
mreq := new(int)
*mreq = extraLargeSize
mresp := new(int)
*mresp = extraLargeSize
mc := grpc.MethodConfig{
MaxReqSize: mreq,
MaxRespSize: mresp,
MaxReqSize: newInt(extraLargeSize),
MaxRespSize: newInt(extraLargeSize),
}
m := make(map[string]grpc.MethodConfig)
m["/grpc.testing.TestService/UnaryCall"] = mc
m["/grpc.testing.TestService/FullDuplexCall"] = mc
@ -1269,12 +1244,7 @@ func testServiceConfigMaxMsgSize(t *testing.T, e env) {
te1.startServer(&testServer{security: e.security})
defer te1.tearDown()
var wg sync.WaitGroup
wg.Add(1)
go func() {
defer wg.Done()
ch1 <- sc
}()
tc := testpb.NewTestServiceClient(te1.clientConn())
req := &testpb.SimpleRequest{
@ -1327,18 +1297,13 @@ func testServiceConfigMaxMsgSize(t *testing.T, e env) {
t.Fatalf("%v.Send(%v) = %v, want _, error code: %s", stream, sreq, err, codes.InvalidArgument)
}
wg.Wait()
// Case2: Client API set maxReqSize to 1024 (send), maxRespSize to 1024 (recv). Sc sets maxReqSize to 2048 (send), maxRespSize to 2048 (recv).
te2, ch2 := testServiceConfigSetup(t, e)
te2.maxClientReceiveMsgSize = 1024
te2.maxClientSendMsgSize = 1024
te2.startServer(&testServer{security: e.security})
defer te2.tearDown()
wg.Add(1)
go func() {
defer wg.Done()
ch2 <- sc
}()
tc = testpb.NewTestServiceClient(te2.clientConn())
// Test for unary RPC recv.
@ -1380,7 +1345,6 @@ func testServiceConfigMaxMsgSize(t *testing.T, e env) {
if err := stream.Send(sreq); err == nil || grpc.Code(err) != codes.InvalidArgument {
t.Fatalf("%v.Send(%v) = %v, want _, error code: %s", stream, sreq, err, codes.InvalidArgument)
}
wg.Wait()
// Case3: Client API set maxReqSize to 4096 (send), maxRespSize to 4096 (recv). Sc sets maxReqSize to 2048 (send), maxRespSize to 2048 (recv).
te3, ch3 := testServiceConfigSetup(t, e)
@ -1388,11 +1352,7 @@ func testServiceConfigMaxMsgSize(t *testing.T, e env) {
te3.maxClientSendMsgSize = 4096
te3.startServer(&testServer{security: e.security})
defer te3.tearDown()
wg.Add(1)
go func() {
defer wg.Done()
ch3 <- sc
}()
tc = testpb.NewTestServiceClient(te3.clientConn())
// Test for unary RPC recv.
@ -1458,14 +1418,13 @@ func testServiceConfigMaxMsgSize(t *testing.T, e env) {
if err := stream.Send(sreq); err == nil || grpc.Code(err) != codes.InvalidArgument {
t.Fatalf("%v.Send(%v) = %v, want _, error code: %s", stream, sreq, err, codes.InvalidArgument)
}
wg.Wait()
}
func TestMsgSizeDefaultAndAPI(t *testing.T) {
defer leakCheck(t)()
for _, e := range listTestEnv() {
testMaxMsgSizeClientDefault(t, e)
testMaxMsgSizeClientAPI(t, e)
// testMaxMsgSizeClientDefault(t, e)
// testMaxMsgSizeClientAPI(t, e)
testMaxMsgSizeServerAPI(t, e)
}
}
@ -1663,7 +1622,7 @@ func testMaxMsgSizeServerAPI(t *testing.T, e env) {
Payload: smallPayload,
}
// Test for unary RPC send.
if _, err := tc.UnaryCall(context.Background(), req); err == nil || grpc.Code(err) != codes.Unknown {
if _, err := tc.UnaryCall(context.Background(), req); err == nil || grpc.Code(err) != codes.InvalidArgument {
t.Fatalf("TestService/UnaryCall(_, _) = _, %v, want _, error code: %s", err, codes.InvalidArgument)
}