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Adds a connection migration IPv4 to IPv6 test
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,116 @@ | ||
| package scenarii | ||
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||
| import ( | ||
| "bytes" | ||
| qt "github.com/QUIC-Tracker/quic-tracker" | ||
| "math/rand" | ||
| "net" | ||
| "time" | ||
| ) | ||
|
|
||
| const ( | ||
| CM46_TLSHandshakeFailed = 1 | ||
| CM46_UDPConnectionFailed = 2 | ||
| CM46_HostDidNotMigrate = 3 | ||
| CM46_HostDidNotValidateNewPath = 4 | ||
| CM46_NoNewCIDReceived = 5 | ||
| CM46_NoNewCIDUsed = 6 | ||
| ) | ||
|
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| type ConnectionMigrationv4v6Scenario struct { | ||
| AbstractScenario | ||
| } | ||
|
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| func NewConnectionMigrationv4v6Scenario() *ConnectionMigrationv4v6Scenario { | ||
| return &ConnectionMigrationv4v6Scenario{AbstractScenario{name: "connection_migration_v4_v6", version: 1}} | ||
| } | ||
| func (s *ConnectionMigrationv4v6Scenario) Run(conn *qt.Connection, trace *qt.Trace, preferredPath string, debug bool) { | ||
| incPackets := conn.IncomingPackets.RegisterNewChan(1000) | ||
|
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| connAgents := s.CompleteHandshake(conn, trace, CM46_TLSHandshakeFailed) | ||
| if connAgents == nil { | ||
| return | ||
| } | ||
| defer connAgents.CloseConnection(false, 0, "") | ||
|
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| scid := make([]byte, 8) | ||
| var resetToken [16]byte | ||
| rand.Read(scid) | ||
| rand.Read(resetToken[:]) | ||
| conn.FrameQueue.Submit(qt.QueuedFrame{&qt.NewConnectionIdFrame{ 1, uint8(len(scid)), scid, resetToken}, qt.EncryptionLevelBest}) | ||
| firstFlightTimer := time.NewTimer(3 * time.Second) | ||
|
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||
| var ncid qt.ConnectionID | ||
| firstFlight: | ||
| for { | ||
| select { | ||
| case i := <-incPackets: | ||
| switch p := i.(type) { | ||
| case *qt.ProtectedPacket: | ||
| if p.Contains(qt.NewConnectionIdType) { | ||
| ncid = p.GetFirst(qt.NewConnectionIdType).(*qt.NewConnectionIdFrame).ConnectionId | ||
| break firstFlight | ||
| } | ||
| } | ||
| case <-firstFlightTimer.C: | ||
| trace.ErrorCode = CM46_NoNewCIDReceived | ||
| return | ||
| } | ||
| } | ||
| <-firstFlightTimer.C | ||
|
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| conn.DestinationCID = ncid | ||
| conn.SourceCID = scid | ||
|
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| v6Addr, err := net.ResolveUDPAddr("udp6", trace.Host) | ||
| if err != nil { | ||
| trace.ErrorCode = CM46_UDPConnectionFailed | ||
| trace.Results["ResolveUDPAddr"] = err.Error() | ||
| return | ||
| } | ||
| udpConn, err := qt.EstablishUDPConnection(v6Addr) | ||
| if err != nil { | ||
| trace.ErrorCode = CM46_UDPConnectionFailed | ||
| trace.Results["EstablishUDPConnection"] = err.Error() | ||
| return | ||
| } | ||
|
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||
| conn.UdpConnection.Close() | ||
| conn.UdpConnection = udpConn | ||
|
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| connAgents.Get("SocketAgent").Run(conn) | ||
| connAgents.Get("SendingAgent").Run(conn) | ||
| conn.EncryptionLevelsAvailable.Submit(qt.DirectionalEncryptionLevel{qt.EncryptionLevel1RTT, false}) | ||
|
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| incPackets = conn.IncomingPackets.RegisterNewChan(1000) | ||
|
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| conn.SendHTTP09GETRequest(preferredPath, 0) | ||
| trace.ErrorCode = CM46_HostDidNotMigrate // Assume it until proven wrong | ||
|
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||
| for { | ||
| select { | ||
| case i := <-incPackets: | ||
| p := i.(qt.Packet) | ||
| if trace.ErrorCode == CM46_HostDidNotMigrate { | ||
| trace.ErrorCode = CM46_HostDidNotValidateNewPath | ||
| } | ||
|
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| if fp, ok := p.(qt.Framer); ok && fp.Contains(qt.PathChallengeType) && trace.ErrorCode == CM46_HostDidNotValidateNewPath { | ||
| trace.ErrorCode = CM46_NoNewCIDUsed | ||
| } | ||
|
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| if bytes.Equal(p.Header().DestinationConnectionID(), scid) && trace.ErrorCode == CM46_NoNewCIDUsed { | ||
| trace.ErrorCode = 0 | ||
| } | ||
|
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||
| if conn.Streams.Get(0).ReadClosed { | ||
| s.Finished() | ||
| } | ||
| case <-conn.ConnectionClosed: | ||
| return | ||
| case <-s.Timeout(): | ||
| return | ||
| } | ||
| } | ||
| } |
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