56 lines
1.4 KiB
Go
56 lines
1.4 KiB
Go
package torrent
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import (
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"testing"
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"time"
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"github.com/anacrolix/missinggo/bitmap"
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"github.com/stretchr/testify/assert"
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"github.com/anacrolix/torrent/peer_protocol"
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)
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func TestCancelRequestOptimized(t *testing.T) {
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c := &connection{
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PeerMaxRequests: 1,
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peerPieces: func() bitmap.Bitmap {
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var bm bitmap.Bitmap
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bm.Set(1, true)
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return bm
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}(),
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post: make(chan peer_protocol.Message),
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writeCh: make(chan []byte),
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}
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assert.Len(t, c.Requests, 0)
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// Keepalive timeout of 0 works because I'm just that good.
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go c.writeOptimizer(0 * time.Millisecond)
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c.Request(newRequest(1, 2, 3))
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if len(c.Requests) != 1 {
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t.Fatal("request was not posted")
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}
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// Posting this message should removing the pending Request.
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if !c.Cancel(newRequest(1, 2, 3)) {
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t.Fatal("request was not found")
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}
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// Check that the write optimization has filtered out the Request message.
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for _, b := range []string{
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// The initial request triggers an Interested message.
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"\x00\x00\x00\x01\x02",
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// Let a keep-alive through to verify there were no pending messages.
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"\x00\x00\x00\x00",
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} {
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bb := string(<-c.writeCh)
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if b != bb {
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t.Fatalf("received message %q is not expected: %q", bb, b)
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}
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}
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close(c.post)
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// Drain the write channel until it closes.
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for b := range c.writeCh {
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bs := string(b)
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if bs != "\x00\x00\x00\x00" {
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t.Fatal("got unexpected non-keepalive")
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}
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}
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}
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