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gbe_fork/sdk/steam/isteamnetworking001.h

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2019-04-14 00:21:56 +08:00
#ifndef ISTEAMNETWORKING001_H
#define ISTEAMNETWORKING001_H
#ifdef STEAM_WIN32
#pragma once
#endif
class ISteamNetworking001
{
public:
// creates a socket and listens others to connect
// will trigger a SocketStatusCallback_t callback on another client connecting
// nVirtualP2PPort is the unique ID that the client will connect to, in case you have multiple ports
// this can usually just be 0 unless you want multiple sets of connections
// unIP is the local IP address to bind to
// pass in 0 if you just want the default local IP
// unPort is the port to use
// pass in 0 if you don't want users to be able to connect via IP/Port, but expect to be always peer-to-peer connections only
virtual SNetListenSocket_t CreateListenSocket( int nVirtualP2PPort, uint32 nIP, uint16 nPort ) = 0;
// creates a socket and begin connection to a remote destination
// can connect via a known steamID (client or game server), or directly to an IP
// on success will trigger a SocketStatusCallback_t callback
// on failure or timeout will trigger a SocketStatusCallback_t callback with a failure code in m_eSNetSocketState
virtual SNetSocket_t CreateP2PConnectionSocket( CSteamID steamIDTarget, int nVirtualPort, int nTimeoutSec ) = 0;
virtual SNetSocket_t CreateConnectionSocket( uint32 nIP, uint16 nPort, int nTimeoutSec ) = 0;
// disconnects the connection to the socket, if any, and invalidates the handle
// any unread data on the socket will be thrown away
// if bNotifyRemoteEnd is set, socket will not be completely destroyed until the remote end acknowledges the disconnect
virtual bool DestroySocket( SNetSocket_t hSocket, bool bNotifyRemoteEnd ) = 0;
// destroying a listen socket will automatically kill all the regular sockets generated from it
virtual bool DestroyListenSocket( SNetListenSocket_t hSocket, bool bNotifyRemoteEnd ) = 0;
// sending data
// must be a handle to a connected socket
// data is all sent via UDP, and thus send sizes are limited to 1200 bytes; after this, many routers will start dropping packets
// use the reliable flag with caution; although the resend rate is pretty aggressive,
// it can still cause stalls in receiving data (like TCP)
virtual bool SendDataOnSocket( SNetSocket_t hSocket, void *pubData, uint32 cubData, bool bReliable ) = 0;
// receiving data
// returns false if there is no data remaining
// fills out *pcubMsgSize with the size of the next message, in bytes
virtual bool IsDataAvailableOnSocket( SNetSocket_t hSocket, uint32 *pcubMsgSize ) = 0;
// fills in pubDest with the contents of the message
// messages are always complete, of the same size as was sent (i.e. packetized, not streaming)
// if *pcubMsgSize < cubDest, only partial data is written
// returns false if no data is available
virtual bool RetrieveDataFromSocket( SNetSocket_t hSocket, void *pubDest, uint32 cubDest, uint32 *pcubMsgSize ) = 0;
// checks for data from any socket that has been connected off this listen socket
// returns false if there is no data remaining
// fills out *pcubMsgSize with the size of the next message, in bytes
// fills out *phSocket with the socket that data is available on
virtual bool IsDataAvailable( SNetListenSocket_t hListenSocket, uint32 *pcubMsgSize, SNetSocket_t *phSocket ) = 0;
// retrieves data from any socket that has been connected off this listen socket
// fills in pubDest with the contents of the message
// messages are always complete, of the same size as was sent (i.e. packetized, not streaming)
// if *pcubMsgSize < cubDest, only partial data is written
// returns false if no data is available
// fills out *phSocket with the socket that data is available on
virtual bool RetrieveData( SNetListenSocket_t hListenSocket, void *pubDest, uint32 cubDest, uint32 *pcubMsgSize, SNetSocket_t *phSocket ) = 0;
// returns information about the specified socket, filling out the contents of the pointers
virtual bool GetSocketInfo( SNetSocket_t hSocket, CSteamID *pSteamIDRemote, int *peSocketStatus, uint32 *punIPRemote, uint16 *punPortRemote ) = 0;
// returns which local port the listen socket is bound to
// *pnIP and *pnPort will be 0 if the socket is set to listen for P2P connections only
virtual bool GetListenSocketInfo( SNetListenSocket_t hListenSocket, uint32 *pnIP, uint16 *pnPort ) = 0;
};
#endif // ISTEAMNETWORKING001_H