mirror of
https://github.com/nspcc-dev/neo-go.git
synced 2024-11-22 19:29:39 +00:00
88 lines
2.8 KiB
Go
88 lines
2.8 KiB
Go
package network
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import (
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"net"
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"testing"
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"github.com/nspcc-dev/neo-go/pkg/network/payload"
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"github.com/stretchr/testify/require"
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)
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func connReadStub(conn net.Conn) {
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b := make([]byte, 1024)
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var err error
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for err == nil {
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_, err = conn.Read(b)
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}
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}
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func TestPeerHandshake(t *testing.T) {
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server, client := net.Pipe()
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tcpS := NewTCPPeer(server, "", newTestServer(t, ServerConfig{}))
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tcpS.server.transports[0].Accept() // properly initialize the address list
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tcpC := NewTCPPeer(client, "", newTestServer(t, ServerConfig{}))
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tcpC.server.transports[0].Accept()
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// Something should read things written into the pipe.
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go connReadStub(tcpS.conn)
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go connReadStub(tcpC.conn)
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// No handshake yet.
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require.Equal(t, false, tcpS.Handshaked())
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require.Equal(t, false, tcpC.Handshaked())
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// No ordinary messages can be written.
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require.Error(t, tcpS.EnqueueP2PMessage(&Message{}))
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require.Error(t, tcpC.EnqueueP2PMessage(&Message{}))
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// Try to mess with VersionAck on both client and server, it should fail.
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require.Error(t, tcpS.SendVersionAck(&Message{}))
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require.Error(t, tcpS.HandleVersionAck())
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require.Error(t, tcpC.SendVersionAck(&Message{}))
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require.Error(t, tcpC.HandleVersionAck())
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// No handshake yet.
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require.Equal(t, false, tcpS.Handshaked())
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require.Equal(t, false, tcpC.Handshaked())
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// Now send and handle versions, but in a different order on client and
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// server.
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require.NoError(t, tcpC.SendVersion())
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require.Error(t, tcpC.HandleVersionAck()) // Didn't receive version yet.
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require.NoError(t, tcpS.HandleVersion(&payload.Version{}))
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require.Error(t, tcpS.SendVersionAck(&Message{})) // Didn't send version yet.
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require.NoError(t, tcpC.HandleVersion(&payload.Version{}))
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require.NoError(t, tcpS.SendVersion())
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// No handshake yet.
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require.Equal(t, false, tcpS.Handshaked())
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require.Equal(t, false, tcpC.Handshaked())
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// These are sent/received and should fail now.
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require.Error(t, tcpC.SendVersion())
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require.Error(t, tcpS.HandleVersion(&payload.Version{}))
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require.Error(t, tcpC.HandleVersion(&payload.Version{}))
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require.Error(t, tcpS.SendVersion())
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// Now send and handle ACK, again in a different order on client and
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// server.
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require.NoError(t, tcpC.SendVersionAck(&Message{}))
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require.NoError(t, tcpS.HandleVersionAck())
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require.NoError(t, tcpC.HandleVersionAck())
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require.NoError(t, tcpS.SendVersionAck(&Message{}))
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// Handshaked now.
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require.Equal(t, true, tcpS.Handshaked())
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require.Equal(t, true, tcpC.Handshaked())
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// Subsequent ACKing should fail.
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require.Error(t, tcpC.SendVersionAck(&Message{}))
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require.Error(t, tcpS.HandleVersionAck())
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require.Error(t, tcpC.HandleVersionAck())
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require.Error(t, tcpS.SendVersionAck(&Message{}))
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// Now regular messaging can proceed.
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require.NoError(t, tcpS.EnqueueP2PMessage(&Message{}))
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require.NoError(t, tcpC.EnqueueP2PMessage(&Message{}))
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}
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