175 lines
5.7 KiB
Go
175 lines
5.7 KiB
Go
/*
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*
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* Copyright 2016, Google Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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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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"github.com/golang/protobuf/proto"
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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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)
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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.Enum(),
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ResponseSize: proto.Int32(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 grpc.Code(err) != codes.Internal {
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grpclog.Fatalf("%v.UnaryCall() = _, %v, want _, %v", tc, grpc.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 grpc.Code(err) != codes.Unknown {
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grpclog.Fatalf("%v.UnaryCall() = _, %v, want _, %v", tc, grpc.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 grpc.Code(err) != codes.Internal {
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grpclog.Fatalf("%v.UnaryCall() = _, %v, want _, %v", tc, grpc.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.Println("goaway done")
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case "rst_after_header":
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rstAfterHeader(tc)
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grpclog.Println("rst_after_header done")
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case "rst_during_data":
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rstDuringData(tc)
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grpclog.Println("rst_during_data done")
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case "rst_after_data":
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rstAfterData(tc)
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grpclog.Println("rst_after_data done")
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case "ping":
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ping(tc)
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grpclog.Println("ping done")
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case "max_streams":
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maxStreams(tc)
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grpclog.Println("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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