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	Listen address reuse is allowed as soon as the previous listener is closed. There is no attempt made to emulate more complex address reuse logic. Updates tailscale/corp#28078 Change-Id: I56be1c4848e7b3f9fc97fd4ef13a2de9dcfab0f2 Signed-off-by: Brian Palmer <brianp@tailscale.com>
		
			
				
	
	
		
			24 lines
		
	
	
		
			600 B
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			24 lines
		
	
	
		
			600 B
		
	
	
	
		
			Go
		
	
	
	
	
	
| // Copyright (c) Tailscale Inc & AUTHORS
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| // SPDX-License-Identifier: BSD-3-Clause
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| 
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| package memnet
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| 
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| import "testing"
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| 
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| func TestListenAddressReuse(t *testing.T) {
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| 	var nw Network
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| 	ln1, err := nw.Listen("tcp", "127.0.0.1:80")
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| 	if err != nil {
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| 		t.Fatalf("listen failed: %v", err)
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| 	}
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| 	if _, err := nw.Listen("tcp", "127.0.0.1:80"); err == nil {
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| 		t.Errorf("listen on in-use address succeeded")
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| 	}
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| 	if err := ln1.Close(); err != nil {
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| 		t.Fatalf("close failed: %v", err)
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| 	}
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| 	if _, err := nw.Listen("tcp", "127.0.0.1:80"); err != nil {
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| 		t.Errorf("listen on same address after close failed: %v", err)
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| 	}
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| }
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