Network.h

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#ifndef NETWORK_H
#define NETWORK_H
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include "ThreadSafeQueue.h"
#include "SharedPtr.h"
#include "IntTypes.h"
#include <stdlib.h>
 
enum MatchmakingProtocolMessageType
{
    MM_ClientSeekServer,
 
    MM_ServerSeekClient,
 
    MM_ServerPeerJoined,
 
    MM_GameConnection,
};
 
 
struct PlayerInfo
{
    char username[64];
};
 
struct ClientMatchmakingInfo
{
    struct PlayerInfo playerInfo;
};
 
// ip numbers = (4 * groups of 3 + 3 dots) + ':' + 5 numbers for port + null terminator
#define IP_AND_PORT_BUF_SIZE (15 + 3 + 1 + 5 + 1) 
 
struct ServerMatchmakingInfo
{
    struct PlayerInfo playerInfo;
    int availableSlots;
};
 
struct PeerAddress
{
    char username[64];
    char address[IP_AND_PORT_BUF_SIZE];
};
 
struct MatchMakingMessage
{
    enum MatchmakingProtocolMessageType type;
    union
    {
        struct ClientMatchmakingInfo clientInfo;
        struct ServerMatchmakingInfo serverInfo;
        struct PeerAddress peer;
    }data;
};
 
 
struct NetworkQueueItem
{
    int client;
 
    SHARED_PTR(void) pData; 
    int pDataSize;
    bool bReliable;
    u64 sequenceNumber;
};
 
enum NetworkConnectionEventType
{
    NCE_ClientConnected,
    NCE_ClientDisconnected,
};
 
struct NetworkConnectionEvent
{
    enum NetworkConnectionEventType type;
    int client;
};
 
struct HostInfo
{
    const char* ip;
    unsigned short port;
};
 
enum GameRole
{
    GR_Singleplayer,
    GR_Client,
    GR_ClientServer
};
 
void NW_Init();
 
bool NW_DequeueData(struct NetworkQueueItem* pOut);
 
bool NW_DequeueConnectionEvent(struct NetworkConnectionEvent* pOut);
 
void NW_EnqueueData(struct NetworkQueueItem* pIn);
 
enum GameRole NW_GetRole();
 
#ifdef __cplusplus
}
#endif
 
#endif