scnet

package
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 Go to latest Published: Jun 25, 2021 License: MIT Imports: 24 Imported by: 0

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Constants

This section is empty.

Variables

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var (
	FakeDrop    float64
	FakeLatency time.Duration
	FakeJitter  time.Duration
)

Network code testing variables.

Functions

func MockSignal 

func MockSignal(ctx context.Context) (*Signal, *Signal)

Types

type ConnectionState 

type ConnectionState uint8
const (
	StateMatchmakingWait ConnectionState = iota
	StateConnecting
	StateConnected
	StateConnectionLost
)

Constants for ConnectionState.

func (ConnectionState) String 

func (i ConnectionState) String() string

type ExchangeDataFunc 

type ExchangeDataFunc func([]byte) ([]byte, error)

ExchangeDataFunc is a simplified networking API where all messages are sent in both directions simultaneously.

type Game 

type Game struct {
	Perspective Perspective

	BetweenMatches bool

	SCG   *SecureCardGame
	Cards *card.Set
	// contains filtered or unexported fields
}

Game is the peer-to-peer game connection.

func NewGame 

func NewGame(ctx context.Context) (*Game, error)

func (*Game) BeginTurn 

func (g *Game) BeginTurn(ch chan<- *card.TurnData)

func (*Game) ClearRematchStatus 

func (g *Game) ClearRematchStatus()

func (*Game) ExchangeInHand 

func (g *Game) ExchangeInHand(data []byte) []byte

func (*Game) FinalizeMatch 

func (g *Game) FinalizeMatch(verifyInit VerifyInitFunc, verifyTurn VerifyTurnFunc) error

func (*Game) LastPing 

func (g *Game) LastPing() time.Duration

func (*Game) OfferRematch 

func (g *Game) OfferRematch() error

func (*Game) OpponentReady 

func (g *Game) OpponentReady() bool

func (*Game) RecvCosmeticData 

func (g *Game) RecvCosmeticData() *card.CosmeticData

func (*Game) RecvDeck 

func (g *Game) RecvDeck() (card.UnknownDeck, bool)

func (*Game) RecvInputs 

func (g *Game) RecvInputs() []byte

func (*Game) RecvModifiedCards 

func (g *Game) RecvModifiedCards(revealCard bool) []card.ModifiedCardPosition

func (*Game) RecvReady 

func (g *Game) RecvReady(turnData *card.TurnData) bool

func (*Game) RematchStatus 

func (g *Game) RematchStatus() (connected, recv, sent bool)

func (*Game) SendCosmeticData 

func (g *Game) SendCosmeticData(c card.CosmeticData) error

func (*Game) SendDeck 

func (g *Game) SendDeck(deck card.Deck, useEffectBack bool)

func (*Game) SendInputs 

func (g *Game) SendInputs(b []byte) error

func (*Game) SendModifiedCards 

func (g *Game) SendModifiedCards(m []card.ModifiedCardPosition, revealCard bool) error

func (*Game) SendQ 

func (g *Game) SendQ() uint64

func (*Game) SendReady 

func (g *Game) SendReady(turnData *card.TurnData)

func (*Game) State 

func (g *Game) State() (ConnectionState, LogicalState)

func (*Game) UseSignal 

func (g *Game) UseSignal(s *Signal, mode *string)

func (*Game) WaitAcceptRematch 

func (g *Game) WaitAcceptRematch() bool

func (*Game) WaitMatchReady 

func (g *Game) WaitMatchReady()

func (*Game) WaitRecvDeck 

func (g *Game) WaitRecvDeck() card.UnknownDeck

func (*Game) WaitRecvReady 

func (g *Game) WaitRecvReady(turnData *card.TurnData)

type LogicalState 

type LogicalState uint8
const (
	StateUninitialized LogicalState = iota
	StateSecureInitializing
	StateSecureReady
	StateMatchReady
)

Constants for LogicalState.

func (LogicalState) String 

func (i LogicalState) String() string

type Perspective 

type Perspective uint8
const (
	UnknownPerspective Perspective = 0
	Player1            Perspective = 1
	Player2            Perspective = 2
)

Constants for Perspective.

type RNGSharedType 

type RNGSharedType uint8

RNGSharedType determines which random number generator state is being used. 

const (
	RNGLocal RNGSharedType = iota
	RNGShared
	RNGRemote
)

Constants for RNGSharedType.

func (RNGSharedType) String 

func (i RNGSharedType) String() string

type SecureCardGame 

type SecureCardGame struct {
	// contains filtered or unexported fields
}

SecureCardGame provides secrecy and verifiability to the networked card game.

func NewSecureCardGame 

func NewSecureCardGame(opt *SecureCardGameOptions) (*SecureCardGame, error)

NewSecureCardGame creates a SecureCardGame instance.

func (*SecureCardGame) BeginTurn 

func (scg *SecureCardGame) BeginTurn(exchangeData ExchangeDataFunc) (*card.TurnData, error)

BeginTurn starts a round of the card game.

func (*SecureCardGame) ConfirmTurn 

func (scg *SecureCardGame) ConfirmTurn(exchangeData ExchangeDataFunc) ([]byte, error)

ConfirmTurn finishes the turn and returns the opponent's promised data.

func (*SecureCardGame) Finalize 

func (scg *SecureCardGame) Finalize(exchangeData ExchangeDataFunc, verifyDeck func(card.Deck, card.UnknownDeck) error, verifyTurn func(*scgTurn) error) error

Finalize completes and verifies the card game.

func (*SecureCardGame) Init 

func (scg *SecureCardGame) Init(playerNumber uint8, exchangeData ExchangeDataFunc) error

Init starts a secure card game session.

func (*SecureCardGame) InitTurnSeed 

func (scg *SecureCardGame) InitTurnSeed(turnSeed, localSeed, remoteSeed []byte)

InitTurnSeed initializes the random number generator for a turn.

func (*SecureCardGame) PrepareTurn 

func (scg *SecureCardGame) PrepareTurn(data []byte) ([]byte, error)

PrepareTurn computes a promise for the provided data.

func (*SecureCardGame) PromiseTurn 

func (scg *SecureCardGame) PromiseTurn(promise []byte) error

PromiseTurn stores the opponent's promised turn data.

func (*SecureCardGame) Rand 

func (scg *SecureCardGame) Rand(shared RNGSharedType) *rng.RNG

Rand returns the *rng.RNG for the specified random state type.

func (*SecureCardGame) Seed 

func (scg *SecureCardGame) Seed(shared RNGSharedType) []byte

Seed returns the seed for the specified random state type.

func (*SecureCardGame) SetDeck 

func (scg *SecureCardGame) SetDeck(exchangeData ExchangeDataFunc, deck card.Deck, backs card.UnknownDeck) (card.UnknownDeck, error)

SetDeck sets the current player's deck and returns the backs of the opponent's cards.

func (*SecureCardGame) Shuffle 

func (scg *SecureCardGame) Shuffle(shared RNGSharedType, length int, swap func(i, j int))

Shuffle shuffles an arbitrary set of data.

func (*SecureCardGame) WhenConfirmedTurn 

func (scg *SecureCardGame) WhenConfirmedTurn(seed2 []byte)

WhenConfirmedTurn initializes the shared seed for the processing stage of a round of Spy Cards Online.

type SecureCardGameOptions 

type SecureCardGameOptions struct {
	NewHash    func() hash.Hash
	SeedLength int
	RandLength int
	ForReplay  *[3]uint64
}

SecureCardGameOptions modifies the behavior of SecureCardGame.

type Signal 

type Signal struct {
	// contains filtered or unexported fields
}

Signal is a connection to the signaling server.

func NewSignal 

func NewSignal(ctx context.Context) (*Signal, error)

func (*Signal) Close 

func (s *Signal) Close() error

func (*Signal) Init 

func (s *Signal) Init(perspective Perspective, suffix string) error

func (*Signal) IsClosed 

func (s *Signal) IsClosed() (websocket.StatusCode, string)

func (*Signal) Perspective 

func (s *Signal) Perspective() Perspective

func (*Signal) Session 

func (s *Signal) Session() string

func (*Signal) SetSession 

func (s *Signal) SetSession(sess string) error

func (*Signal) WaitSession 

func (s *Signal) WaitSession() string

type VerifyInitFunc 

type VerifyInitFunc = func(card.Deck, card.Deck, card.UnknownDeck, []byte, []byte, []byte) error

type VerifyTurnFunc 

type VerifyTurnFunc = func(seed, seed2 []byte, turn *card.TurnData) error

Source Files

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