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| /* | ||
| * | ||
| * Copyright 2016, Google Inc. | ||
| * All rights reserved. | ||
| * | ||
| * Redistribution and use in source and binary forms, with or without | ||
| * modification, are permitted provided that the following conditions are | ||
| * met: | ||
| * | ||
| * * Redistributions of source code must retain the above copyright | ||
| * notice, this list of conditions and the following disclaimer. | ||
| * * Redistributions in binary form must reproduce the above | ||
| * copyright notice, this list of conditions and the following disclaimer | ||
| * in the documentation and/or other materials provided with the | ||
| * distribution. | ||
| * * Neither the name of Google Inc. nor the names of its | ||
| * contributors may be used to endorse or promote products derived from | ||
| * this software without specific prior written permission. | ||
| * | ||
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| * | ||
| * | ||
| * Client used to test http2 error edge cases like GOAWAYs and RST_STREAMs | ||
| * | ||
| * Documentation: | ||
| * https://github.com/grpc/grpc/blob/master/doc/negative-http2-interop-test-descriptions.md | ||
| */ | ||
|
|
||
| package main | ||
|
|
||
| import ( | ||
| "flag" | ||
| "net" | ||
| "strconv" | ||
| "sync" | ||
| "time" | ||
|
|
||
| "github.com/golang/protobuf/proto" | ||
| "golang.org/x/net/context" | ||
| "google.golang.org/grpc" | ||
| "google.golang.org/grpc/codes" | ||
| "google.golang.org/grpc/grpclog" | ||
| "google.golang.org/grpc/interop" | ||
| testpb "google.golang.org/grpc/interop/grpc_testing" | ||
| ) | ||
|
|
||
| var ( | ||
| serverHost = flag.String("server_host", "127.0.0.1", "The server host name") | ||
| serverPort = flag.Int("server_port", 8080, "The server port number") | ||
| testCase = flag.String("test_case", "goaway", | ||
| `Configure different test cases. Valid options are: | ||
| goaway : client sends two requests, the server will send a goaway in between; | ||
| rst_after_header : server will send rst_stream after it sends headers; | ||
| rst_during_data : server will send rst_stream while sending data; | ||
| rst_after_data : server will send rst_stream after sending data; | ||
| ping : server will send pings between each http2 frame; | ||
| max_streams : server will ensure that the max_concurrent_streams limit is upheld;`) | ||
| largeReqSize = 271828 | ||
| largeRespSize = 314159 | ||
| ) | ||
|
|
||
| func largeSimpleRequest() *testpb.SimpleRequest { | ||
| pl := interop.ClientNewPayload(testpb.PayloadType_COMPRESSABLE, largeReqSize) | ||
| return &testpb.SimpleRequest{ | ||
| ResponseType: testpb.PayloadType_COMPRESSABLE.Enum(), | ||
| ResponseSize: proto.Int32(int32(largeRespSize)), | ||
| Payload: pl, | ||
| } | ||
| } | ||
|
|
||
| // sends two unary calls. The server asserts that the calls use different connections. | ||
| func goaway(tc testpb.TestServiceClient) { | ||
| interop.DoLargeUnaryCall(tc) | ||
| // sleep to ensure that the client has time to recv the GOAWAY. | ||
| // TODO(ncteisen): make this less hacky. | ||
| time.Sleep(1 * time.Second) | ||
| interop.DoLargeUnaryCall(tc) | ||
| } | ||
|
|
||
| func rstAfterHeader(tc testpb.TestServiceClient) { | ||
| req := largeSimpleRequest() | ||
| reply, err := tc.UnaryCall(context.Background(), req) | ||
| if reply != nil { | ||
| grpclog.Fatalf("Client received reply despite server sending rst stream after header") | ||
| } | ||
| if grpc.Code(err) != codes.Internal { | ||
| grpclog.Fatalf("%v.UnaryCall() = _, %v, want _, %v", tc, grpc.Code(err), codes.Internal) | ||
| } | ||
| } | ||
|
|
||
| func rstDuringData(tc testpb.TestServiceClient) { | ||
| req := largeSimpleRequest() | ||
| reply, err := tc.UnaryCall(context.Background(), req) | ||
| if reply != nil { | ||
| grpclog.Fatalf("Client received reply despite server sending rst stream during data") | ||
| } | ||
| if grpc.Code(err) != codes.Unknown { | ||
| grpclog.Fatalf("%v.UnaryCall() = _, %v, want _, %v", tc, grpc.Code(err), codes.Unknown) | ||
| } | ||
| } | ||
|
|
||
| func rstAfterData(tc testpb.TestServiceClient) { | ||
| req := largeSimpleRequest() | ||
| reply, err := tc.UnaryCall(context.Background(), req) | ||
| if reply != nil { | ||
| grpclog.Fatalf("Client received reply despite server sending rst stream after data") | ||
| } | ||
| if grpc.Code(err) != codes.Internal { | ||
| grpclog.Fatalf("%v.UnaryCall() = _, %v, want _, %v", tc, grpc.Code(err), codes.Internal) | ||
| } | ||
| } | ||
|
|
||
| func ping(tc testpb.TestServiceClient) { | ||
| // The server will assert that every ping it sends was ACK-ed by the client. | ||
| interop.DoLargeUnaryCall(tc) | ||
| } | ||
|
|
||
| func maxStreams(tc testpb.TestServiceClient) { | ||
| interop.DoLargeUnaryCall(tc) | ||
| var wg sync.WaitGroup | ||
| for i := 0; i < 15; i++ { | ||
| wg.Add(1) | ||
| go func() { | ||
| defer wg.Done() | ||
| interop.DoLargeUnaryCall(tc) | ||
| }() | ||
| } | ||
| wg.Wait() | ||
| } | ||
|
|
||
| func main() { | ||
| flag.Parse() | ||
| serverAddr := net.JoinHostPort(*serverHost, strconv.Itoa(*serverPort)) | ||
| var opts []grpc.DialOption | ||
| opts = append(opts, grpc.WithInsecure()) | ||
| conn, err := grpc.Dial(serverAddr, opts...) | ||
| if err != nil { | ||
| grpclog.Fatalf("Fail to dial: %v", err) | ||
| } | ||
| defer conn.Close() | ||
| tc := testpb.NewTestServiceClient(conn) | ||
| switch *testCase { | ||
| case "goaway": | ||
| goaway(tc) | ||
| grpclog.Println("goaway done") | ||
| case "rst_after_header": | ||
| rstAfterHeader(tc) | ||
| grpclog.Println("rst_after_header done") | ||
| case "rst_during_data": | ||
| rstDuringData(tc) | ||
| grpclog.Println("rst_during_data done") | ||
| case "rst_after_data": | ||
| rstAfterData(tc) | ||
| grpclog.Println("rst_after_data done") | ||
| case "ping": | ||
| ping(tc) | ||
| grpclog.Println("ping done") | ||
| case "max_streams": | ||
| maxStreams(tc) | ||
| grpclog.Println("max_streams done") | ||
| default: | ||
| grpclog.Fatal("Unsupported test case: ", *testCase) | ||
| } | ||
| } |
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