97 lines
1.8 KiB
C++
97 lines
1.8 KiB
C++
// This file is public domain, in case it's useful to anyone. -comex
|
|
|
|
#pragma once
|
|
#include <array>
|
|
#include "Common/CommonTypes.h"
|
|
|
|
#define NETPLAY_CODE_SIZE 8
|
|
typedef std::array<char, NETPLAY_CODE_SIZE> TraversalHostId;
|
|
typedef u64 TraversalRequestId;
|
|
|
|
enum TraversalPacketType
|
|
{
|
|
// [*->*]
|
|
TraversalPacketAck = 0,
|
|
// [c->s]
|
|
TraversalPacketPing = 1,
|
|
// [c->s]
|
|
TraversalPacketHelloFromClient = 2,
|
|
// [s->c]
|
|
TraversalPacketHelloFromServer = 3,
|
|
// [c->s] When connecting, first the client asks the central server...
|
|
TraversalPacketConnectPlease = 4,
|
|
// [s->c] ...who asks the game host to send a UDP packet to the
|
|
// client... (an ack implies success)
|
|
TraversalPacketPleaseSendPacket = 5,
|
|
// [s->c] ...which the central server relays back to the client.
|
|
TraversalPacketConnectReady = 6,
|
|
// [s->c] Alternately, the server might not have heard of this host.
|
|
TraversalPacketConnectFailed = 7
|
|
};
|
|
|
|
enum
|
|
{
|
|
TraversalProtoVersion = 0
|
|
};
|
|
|
|
enum TraversalConnectFailedReason
|
|
{
|
|
TraversalConnectFailedClientDidntRespond = 0,
|
|
TraversalConnectFailedClientFailure,
|
|
TraversalConnectFailedNoSuchClient
|
|
};
|
|
|
|
#pragma pack(push, 1)
|
|
struct TraversalInetAddress
|
|
{
|
|
u8 isIPV6;
|
|
u32 address[4];
|
|
u16 port;
|
|
};
|
|
struct TraversalPacket
|
|
{
|
|
u8 type;
|
|
TraversalRequestId requestId;
|
|
union
|
|
{
|
|
struct
|
|
{
|
|
u8 ok;
|
|
} ack;
|
|
struct
|
|
{
|
|
TraversalHostId hostId;
|
|
} ping;
|
|
struct
|
|
{
|
|
u8 protoVersion;
|
|
} helloFromClient;
|
|
struct
|
|
{
|
|
u8 ok;
|
|
TraversalHostId yourHostId;
|
|
TraversalInetAddress yourAddress; // currently unused
|
|
} helloFromServer;
|
|
struct
|
|
{
|
|
TraversalHostId hostId;
|
|
} connectPlease;
|
|
struct
|
|
{
|
|
TraversalInetAddress address;
|
|
} pleaseSendPacket;
|
|
struct
|
|
{
|
|
TraversalRequestId requestId;
|
|
TraversalInetAddress address;
|
|
} connectReady;
|
|
struct
|
|
{
|
|
TraversalRequestId requestId;
|
|
u8 reason;
|
|
} connectFailed;
|
|
};
|
|
};
|
|
#pragma pack(pop)
|
|
|