mirror of
https://github.com/genuinetools/reg.git
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160 lines
4.8 KiB
Go
160 lines
4.8 KiB
Go
/*
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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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* Client used to test http2 error edge cases like GOAWAYs and RST_STREAMs
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*
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* Documentation:
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* https://github.com/grpc/grpc/blob/master/doc/negative-http2-interop-test-descriptions.md
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*/
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package main
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import (
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"flag"
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"net"
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"strconv"
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"sync"
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"time"
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"golang.org/x/net/context"
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"google.golang.org/grpc"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/grpclog"
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"google.golang.org/grpc/interop"
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testpb "google.golang.org/grpc/interop/grpc_testing"
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"google.golang.org/grpc/status"
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)
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var (
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serverHost = flag.String("server_host", "127.0.0.1", "The server host name")
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serverPort = flag.Int("server_port", 8080, "The server port number")
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testCase = flag.String("test_case", "goaway",
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`Configure different test cases. Valid options are:
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goaway : client sends two requests, the server will send a goaway in between;
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rst_after_header : server will send rst_stream after it sends headers;
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rst_during_data : server will send rst_stream while sending data;
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rst_after_data : server will send rst_stream after sending data;
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ping : server will send pings between each http2 frame;
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max_streams : server will ensure that the max_concurrent_streams limit is upheld;`)
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largeReqSize = 271828
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largeRespSize = 314159
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)
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func largeSimpleRequest() *testpb.SimpleRequest {
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pl := interop.ClientNewPayload(testpb.PayloadType_COMPRESSABLE, largeReqSize)
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return &testpb.SimpleRequest{
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ResponseType: testpb.PayloadType_COMPRESSABLE,
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ResponseSize: int32(largeRespSize),
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Payload: pl,
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}
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}
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// sends two unary calls. The server asserts that the calls use different connections.
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func goaway(tc testpb.TestServiceClient) {
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interop.DoLargeUnaryCall(tc)
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// sleep to ensure that the client has time to recv the GOAWAY.
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// TODO(ncteisen): make this less hacky.
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time.Sleep(1 * time.Second)
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interop.DoLargeUnaryCall(tc)
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}
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func rstAfterHeader(tc testpb.TestServiceClient) {
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req := largeSimpleRequest()
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reply, err := tc.UnaryCall(context.Background(), req)
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if reply != nil {
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grpclog.Fatalf("Client received reply despite server sending rst stream after header")
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}
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if status.Code(err) != codes.Internal {
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grpclog.Fatalf("%v.UnaryCall() = _, %v, want _, %v", tc, status.Code(err), codes.Internal)
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}
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}
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func rstDuringData(tc testpb.TestServiceClient) {
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req := largeSimpleRequest()
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reply, err := tc.UnaryCall(context.Background(), req)
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if reply != nil {
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grpclog.Fatalf("Client received reply despite server sending rst stream during data")
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}
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if status.Code(err) != codes.Unknown {
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grpclog.Fatalf("%v.UnaryCall() = _, %v, want _, %v", tc, status.Code(err), codes.Unknown)
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}
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}
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func rstAfterData(tc testpb.TestServiceClient) {
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req := largeSimpleRequest()
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reply, err := tc.UnaryCall(context.Background(), req)
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if reply != nil {
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grpclog.Fatalf("Client received reply despite server sending rst stream after data")
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}
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if status.Code(err) != codes.Internal {
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grpclog.Fatalf("%v.UnaryCall() = _, %v, want _, %v", tc, status.Code(err), codes.Internal)
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}
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}
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func ping(tc testpb.TestServiceClient) {
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// The server will assert that every ping it sends was ACK-ed by the client.
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interop.DoLargeUnaryCall(tc)
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}
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func maxStreams(tc testpb.TestServiceClient) {
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interop.DoLargeUnaryCall(tc)
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var wg sync.WaitGroup
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for i := 0; i < 15; i++ {
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wg.Add(1)
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go func() {
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defer wg.Done()
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interop.DoLargeUnaryCall(tc)
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}()
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}
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wg.Wait()
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}
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func main() {
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flag.Parse()
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serverAddr := net.JoinHostPort(*serverHost, strconv.Itoa(*serverPort))
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var opts []grpc.DialOption
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opts = append(opts, grpc.WithInsecure())
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conn, err := grpc.Dial(serverAddr, opts...)
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if err != nil {
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grpclog.Fatalf("Fail to dial: %v", err)
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}
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defer conn.Close()
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tc := testpb.NewTestServiceClient(conn)
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switch *testCase {
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case "goaway":
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goaway(tc)
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grpclog.Infoln("goaway done")
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case "rst_after_header":
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rstAfterHeader(tc)
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grpclog.Infoln("rst_after_header done")
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case "rst_during_data":
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rstDuringData(tc)
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grpclog.Infoln("rst_during_data done")
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case "rst_after_data":
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rstAfterData(tc)
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grpclog.Infoln("rst_after_data done")
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case "ping":
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ping(tc)
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grpclog.Infoln("ping done")
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case "max_streams":
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maxStreams(tc)
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grpclog.Infoln("max_streams done")
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default:
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grpclog.Fatal("Unsupported test case: ", *testCase)
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}
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}
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