bab01e8e85
If server.Stop() and server.Serve() race, Serve() can return without closing the listener. This in turn can lead to clients timing out trying to connect to a server that is neither accepting nor rejecting connections.
62 lines
2.2 KiB
Go
62 lines
2.2 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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package grpc
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import (
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"net"
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"strings"
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"testing"
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)
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func TestStopBeforeServe(t *testing.T) {
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lis, err := net.Listen("tcp", "localhost:0")
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if err != nil {
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t.Fatalf("failed to create listener: %v", err)
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}
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server := NewServer()
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server.Stop()
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err = server.Serve(lis)
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if err != ErrServerStopped {
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t.Fatalf("server.Serve() error = %v, want %v", err, ErrServerStopped)
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}
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// server.Serve is responsible for closing the listener, even if the
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// server was already stopped.
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err = lis.Close()
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if got, want := ErrorDesc(err), "use of closed network connection"; !strings.Contains(got, want) {
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t.Errorf("Close() error = %q, want %q", got, want)
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}
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}
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