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Update to sdk 1.47

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Mr_Goldberg 2019-12-09 12:49:55 -05:00
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293
sdk_includes/isteamnetworkingsockets.h
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@ -22,6 +22,8 @@
class ISteamNetworkingSocketsCallbacks;
struct SteamNetAuthenticationStatus_t;
class ISteamNetworkingConnectionCustomSignaling;
class ISteamNetworkingCustomSignalingRecvContext;
//-----------------------------------------------------------------------------
/// Lower level networking interface that more closely mirrors the standard
@ -46,15 +48,20 @@ public:
/// You must select a specific local port to listen on and set it
/// the port field of the local address.
///
/// Usually you wil set the IP portion of the address to zero, (SteamNetworkingIPAddr::Clear()).
/// This means that you will not bind to any particular local interface. In addition,
/// if possible the socket will be bound in "dual stack" mode, which means that it can
/// accept both IPv4 and IPv6 clients. If you wish to bind a particular interface, then
/// set the local address to the appropriate IPv4 or IPv6 IP.
/// Usually you will set the IP portion of the address to zero (SteamNetworkingIPAddr::Clear()).
/// This means that you will not bind to any particular local interface (i.e. the same
/// as INADDR_ANY in plain socket code). Furthermore, if possible the socket will be bound
/// in "dual stack" mode, which means that it can accept both IPv4 and IPv6 client connections.
/// If you really do wish to bind a particular interface, then set the local address to the
/// appropriate IPv4 or IPv6 IP.
///
/// If you need to set any initial config options, pass them here. See
/// SteamNetworkingConfigValue_t for more about why this is preferable to
/// setting the options "immediately" after creation.
///
/// When a client attempts to connect, a SteamNetConnectionStatusChangedCallback_t
/// will be posted. The connection will be in the connecting state.
virtual HSteamListenSocket CreateListenSocketIP( const SteamNetworkingIPAddr &localAddress ) = 0;
virtual HSteamListenSocket CreateListenSocketIP( const SteamNetworkingIPAddr &localAddress, int nOptions, const SteamNetworkingConfigValue_t *pOptions ) = 0;
/// Creates a connection and begins talking to a "server" over UDP at the
/// given IPv4 or IPv6 address. The remote host must be listening with a
@ -74,7 +81,11 @@ public:
/// distributed through some other out-of-band mechanism), you don't have any
/// way of knowing who is actually on the other end, and thus are vulnerable to
/// man-in-the-middle attacks.
virtual HSteamNetConnection ConnectByIPAddress( const SteamNetworkingIPAddr &address ) = 0;
///
/// If you need to set any initial config options, pass them here. See
/// SteamNetworkingConfigValue_t for more about why this is preferable to
/// setting the options "immediately" after creation.
virtual HSteamNetConnection ConnectByIPAddress( const SteamNetworkingIPAddr &address, int nOptions, const SteamNetworkingConfigValue_t *pOptions ) = 0;
#ifdef STEAMNETWORKINGSOCKETS_ENABLE_SDR
/// Like CreateListenSocketIP, but clients will connect using ConnectP2P
@ -87,20 +98,24 @@ public:
///
/// If you use this, you probably want to call ISteamNetworkingUtils::InitRelayNetworkAccess()
/// when your app initializes
virtual HSteamListenSocket CreateListenSocketP2P( int nVirtualPort ) = 0;
///
/// If you need to set any initial config options, pass them here. See
/// SteamNetworkingConfigValue_t for more about why this is preferable to
/// setting the options "immediately" after creation.
virtual HSteamListenSocket CreateListenSocketP2P( int nVirtualPort, int nOptions, const SteamNetworkingConfigValue_t *pOptions ) = 0;
/// Begin connecting to a server that is identified using a platform-specific identifier.
/// This requires some sort of third party rendezvous service, and will depend on the
/// platform and what other libraries and services you are integrating with.
///
/// At the time of this writing, there is only one supported rendezvous service: Steam.
/// Set the SteamID (whether "user" or "gameserver") and Steam will determine if the
/// client is online and facilitate a relay connection. Note that all P2P connections on
/// Steam are currently relayed.
/// This uses the default rendezvous service, which depends on the platform and library
/// configuration. (E.g. on Steam, it goes through the steam backend.) The traffic is relayed
/// over the Steam Datagram Relay network.
///
/// If you use this, you probably want to call ISteamNetworkingUtils::InitRelayNetworkAccess()
/// when your app initializes
virtual HSteamNetConnection ConnectP2P( const SteamNetworkingIdentity &identityRemote, int nVirtualPort ) = 0;
///
/// If you need to set any initial config options, pass them here. See
/// SteamNetworkingConfigValue_t for more about why this is preferable to
/// setting the options "immediately" after creation.
virtual HSteamNetConnection ConnectP2P( const SteamNetworkingIdentity &identityRemote, int nVirtualPort, int nOptions, const SteamNetworkingConfigValue_t *pOptions ) = 0;
#endif
/// Accept an incoming connection that has been received on a listen socket.
@ -136,6 +151,12 @@ public:
/// Returns k_EResultInvalidState if the connection is not in the appropriate state.
/// (Remember that the connection state could change in between the time that the
/// notification being posted to the queue and when it is received by the application.)
///
/// A note about connection configuration options. If you need to set any configuration
/// options that are common to all connections accepted through a particular listen
/// socket, consider setting the options on the listen socket, since such options are
/// inherited automatically. If you really do need to set options that are connection
/// specific, it is safe to set them on the connection before accepting the connection.
virtual EResult AcceptConnection( HSteamNetConnection hConn ) = 0;
/// Disconnects from the remote host and invalidates the connection handle.
@ -208,6 +229,9 @@ public:
/// sockets that does not write excessively small chunks will
/// work without any changes.
///
/// The pOutMessageNumber is an optional pointer to receive the
/// message number assigned to the message, if sending was successful.
///
/// Returns:
/// - k_EResultInvalidParam: invalid connection handle, or the individual message is too big.
/// (See k_cbMaxSteamNetworkingSocketsMessageSizeSend)
@ -217,7 +241,41 @@ public:
/// we were not ready to send it.
/// - k_EResultLimitExceeded: there was already too much data queued to be sent.
/// (See k_ESteamNetworkingConfig_SendBufferSize)
virtual EResult SendMessageToConnection( HSteamNetConnection hConn, const void *pData, uint32 cbData, int nSendFlags ) = 0;
virtual EResult SendMessageToConnection( HSteamNetConnection hConn, const void *pData, uint32 cbData, int nSendFlags, int64 *pOutMessageNumber ) = 0;
/// Send one or more messages without copying the message payload.
/// This is the most efficient way to send messages. To use this
/// function, you must first allocate a message object using
/// ISteamNetworkingUtils::AllocateMessage. (Do not declare one
/// on the stack or allocate your own.)
///
/// You should fill in the message payload. You can either let
/// it allocate the buffer for you and then fill in the payload,
/// or if you already have a buffer allocated, you can just point
/// m_pData at your buffer and set the callback to the appropriate function
/// to free it. Note that if you use your own buffer, it MUST remain valid
/// until the callback is executed. And also note that your callback can be
/// invoked at ant time from any thread (perhaps even before SendMessages
/// returns!), so it MUST be fast and threadsafe.
///
/// You MUST also fill in:
/// - m_conn - the handle of the connection to send the message to
/// - m_nFlags - bitmask of k_nSteamNetworkingSend_xxx flags.
///
/// All other fields are currently reserved and should not be modified.
///
/// The library will take ownership of the message structures. They may
/// be modified or become invalid at any time, so you must not read them
/// after passing them to this function.
///
/// pOutMessageNumberOrResult is an optional array that will receive,
/// for each message, the message number that was assigned to the message
/// if sending was successful. If sending failed, then a negative EResult
/// valid is placed into the array. For example, the array will hold
/// -k_EResultInvalidState if the connection was in an invalid state.
/// See ISteamNetworkingSockets::SendMessageToConnection for possible
/// failure codes.
virtual void SendMessages( int nMessages, SteamNetworkingMessage_t *const *pMessages, int64 *pOutMessageNumberOrResult ) = 0;
/// Flush any messages waiting on the Nagle timer and send them
/// at the next transmission opportunity (often that means right now).
@ -347,23 +405,6 @@ public:
/// details, pass non-NULL to receive them.
virtual ESteamNetworkingAvailability GetAuthenticationStatus( SteamNetAuthenticationStatus_t *pDetails ) = 0;
/// Certificate provision by the application. (On Steam, Steam will handle all this automatically)
#ifndef STEAMNETWORKINGSOCKETS_STEAM
/// Get blob that describes a certificate request. You can send this to your game coordinator.
/// Upon entry, *pcbBlob should contain the size of the buffer. On successful exit, it will
/// return the number of bytes that were populated. You can pass pBlob=NULL to query for the required
/// size. (256 bytes is a very conservative estimate.)
///
/// Pass this blob to your game coordinator and call SteamDatagram_CreateCert.
virtual bool GetCertificateRequest( int *pcbBlob, void *pBlob, SteamNetworkingErrMsg &errMsg ) = 0;
/// Set the certificate. The certificate blob should be the output of
/// SteamDatagram_CreateCert.
virtual bool SetCertificate( const void *pCertificate, int cbCertificate, SteamNetworkingErrMsg &errMsg ) = 0;
#endif
#ifdef STEAMNETWORKINGSOCKETS_ENABLE_SDR
//
@ -394,7 +435,11 @@ public:
///
/// If you use this, you probably want to call ISteamNetworkingUtils::InitRelayNetworkAccess()
/// when your app initializes
virtual HSteamNetConnection ConnectToHostedDedicatedServer( const SteamNetworkingIdentity &identityTarget, int nVirtualPort ) = 0;
///
/// If you need to set any initial config options, pass them here. See
/// SteamNetworkingConfigValue_t for more about why this is preferable to
/// setting the options "immediately" after creation.
virtual HSteamNetConnection ConnectToHostedDedicatedServer( const SteamNetworkingIdentity &identityTarget, int nVirtualPort, int nOptions, const SteamNetworkingConfigValue_t *pOptions ) = 0;
//
// Servers hosted in data centers known to the Valve relay network
@ -446,7 +491,11 @@ public:
/// configured, this call will fail.
///
/// Note that this call MUST be made through the SteamGameServerNetworkingSockets() interface
virtual HSteamListenSocket CreateHostedDedicatedServerListenSocket( int nVirtualPort ) = 0;
///
/// If you need to set any initial config options, pass them here. See
/// SteamNetworkingConfigValue_t for more about why this is preferable to
/// setting the options "immediately" after creation.
virtual HSteamListenSocket CreateHostedDedicatedServerListenSocket( int nVirtualPort, int nOptions, const SteamNetworkingConfigValue_t *pOptions ) = 0;
/// Generate an authentication blob that can be used to securely login with
/// your backend, using SteamDatagram_ParseHostedServerLogin. (See
@ -480,8 +529,97 @@ public:
/// and don't share it directly with clients.
virtual EResult GetGameCoordinatorServerLogin( SteamDatagramGameCoordinatorServerLogin *pLoginInfo, int *pcbSignedBlob, void *pBlob ) = 0;
//
// Relayed connections using custom signaling protocol
//
// This is used if you have your own method of sending out-of-band
// signaling / rendezvous messages through a mutually trusted channel.
//
/// Create a P2P "client" connection that does signaling over a custom
/// rendezvous/signaling channel.
///
/// pSignaling points to a new object that you create just for this connection.
/// It must stay valid until Release() is called. Once you pass the
/// object to this function, it assumes ownership. Release() will be called
/// from within the function call if the call fails. Furthermore, until Release()
/// is called, you should be prepared for methods to be invoked on your
/// object from any thread! You need to make sure your object is threadsafe!
/// Furthermore, you should make sure that dispatching the methods is done
/// as quickly as possible.
///
/// This function will immediately construct a connection in the "connecting"
/// state. Soon after (perhaps before this function returns, perhaps in another thread),
/// the connection will begin sending signaling messages by calling
/// ISteamNetworkingConnectionCustomSignaling::SendSignal.
///
/// When the remote peer accepts the connection (See
/// ISteamNetworkingCustomSignalingRecvContext::OnConnectRequest),
/// it will begin sending signaling messages. When these messages are received,
/// you can pass them to the connection using ReceivedP2PCustomSignal.
///
/// If you know the identity of the peer that you expect to be on the other end,
/// you can pass their identity to improve debug output or just detect bugs.
/// If you don't know their identity yet, you can pass NULL, and their
/// identity will be established in the connection handshake.
///
/// If you use this, you probably want to call ISteamNetworkingUtils::InitRelayNetworkAccess()
/// when your app initializes
///
/// If you need to set any initial config options, pass them here. See
/// SteamNetworkingConfigValue_t for more about why this is preferable to
/// setting the options "immediately" after creation.
virtual HSteamNetConnection ConnectP2PCustomSignaling( ISteamNetworkingConnectionCustomSignaling *pSignaling, const SteamNetworkingIdentity *pPeerIdentity, int nOptions, const SteamNetworkingConfigValue_t *pOptions ) = 0;
/// Called when custom signaling has received a message. When your
/// signaling channel receives a message, it should save off whatever
/// routing information was in the envelope into the context object,
/// and then pass the payload to this function.
///
/// A few different things can happen next, depending on the message:
///
/// - If the signal is associated with existing connection, it is dealt
/// with immediately. If any replies need to be sent, they will be
/// dispatched using the ISteamNetworkingConnectionCustomSignaling
/// associated with the connection.
/// - If the message represents a connection request (and the request
/// is not redundant for an existing connection), a new connection
/// will be created, and ReceivedConnectRequest will be called on your
/// context object to determine how to proceed.
/// - Otherwise, the message is for a connection that does not
/// exist (anymore). In this case, we *may* call SendRejectionReply
/// on your context object.
///
/// In any case, we will not save off pContext or access it after this
/// function returns.
///
/// Returns true if the message was parsed and dispatched without anything
/// unusual or suspicious happening. Returns false if there was some problem
/// with the message that prevented ordinary handling. (Debug output will
/// usually have more information.)
///
/// If you expect to be using relayed connections, then you probably want
/// to call ISteamNetworkingUtils::InitRelayNetworkAccess() when your app initializes
virtual bool ReceivedP2PCustomSignal( const void *pMsg, int cbMsg, ISteamNetworkingCustomSignalingRecvContext *pContext ) = 0;
#endif // #ifndef STEAMNETWORKINGSOCKETS_ENABLE_SDR
/// Certificate provision by the application. (On Steam, Steam will handle all this automatically)
#ifndef STEAMNETWORKINGSOCKETS_STEAM
/// Get blob that describes a certificate request. You can send this to your game coordinator.
/// Upon entry, *pcbBlob should contain the size of the buffer. On successful exit, it will
/// return the number of bytes that were populated. You can pass pBlob=NULL to query for the required
/// size. (256 bytes is a very conservative estimate.)
///
/// Pass this blob to your game coordinator and call SteamDatagram_CreateCert.
virtual bool GetCertificateRequest( int *pcbBlob, void *pBlob, SteamNetworkingErrMsg &errMsg ) = 0;
/// Set the certificate. The certificate blob should be the output of
/// SteamDatagram_CreateCert.
virtual bool SetCertificate( const void *pCertificate, int cbCertificate, SteamNetworkingErrMsg &errMsg ) = 0;
#endif
// Invoke all callbacks queued for this interface.
// On Steam, callbacks are dispatched via the ordinary Steamworks callbacks mechanism.
// So if you have code that is also targeting Steam, you should call this at about the
@ -492,7 +630,84 @@ public:
protected:
// ~ISteamNetworkingSockets(); // Silence some warnings
};
#define STEAMNETWORKINGSOCKETS_INTERFACE_VERSION "SteamNetworkingSockets003"
#define STEAMNETWORKINGSOCKETS_INTERFACE_VERSION "SteamNetworkingSockets006"
/// Interface used to send signaling messages for a particular connection.
/// You will need to construct one of these per connection.
///
/// - For connections initiated locally, you will construct it and pass
/// it to ISteamNetworkingSockets::ConnectP2PCustomSignaling.
/// - For connections initiated remotely and "accepted" locally, you
/// will return it from ISteamNetworkingCustomSignalingRecvContext::OnConnectRequest
class ISteamNetworkingConnectionCustomSignaling
{
public:
/// Called to send a rendezvous message to the remote peer. This may be called
/// from any thread, at any time, so you need to be thread-safe! Don't take
/// any locks that might hold while calling into SteamNetworkingSockets functions,
/// because this could lead to deadlocks.
///
/// Note that when initiating a connection, we may not know the identity
/// of the peer, if you did not specify it in ConnectP2PCustomSignaling.
///
/// Return true if a best-effort attempt was made to deliver the message.
/// If you return false, it is assumed that the situation is fatal;
/// the connection will be closed, and Release() will be called
/// eventually.
///
/// Signaling objects will not be shared between connections.
/// You can assume that the same value of hConn will be used
/// every time.
virtual bool SendSignal( HSteamNetConnection hConn, const SteamNetConnectionInfo_t &info, const void *pMsg, int cbMsg ) = 0;
/// Called when the connection no longer needs to send signals.
/// Note that this happens eventually (but not immediately) after
/// the connection is closed. Signals may need to be sent for a brief
/// time after the connection is closed, to clean up the connection.
virtual void Release() = 0;
};
/// Interface used when a custom signal is received.
/// See ISteamNetworkingSockets::ReceivedP2PCustomSignal
class ISteamNetworkingCustomSignalingRecvContext
{
public:
/// Called when the signal represents a request for a new connection.
///
/// If you want to ignore the request, just return NULL. In this case,
/// the peer will NOT receive any reply. You should consider ignoring
/// requests rather than actively rejecting them, as a security measure.
/// If you actively reject requests, then this makes it possible to detect
/// if a user is online or not, just by sending them a request.
///
/// If you wish to send back a rejection, then use
/// ISteamNetworkingSockets::CloseConnection() and then return NULL.
/// We will marshal a properly formatted rejection signal and
/// call SendRejectionSignal() so you can send it to them.
///
/// If you return a signaling object, the connection is NOT immediately
/// accepted by default. Instead, it stays in the "connecting" state,
/// and the usual callback is posted, and your app can accept the
/// connection using ISteamNetworkingSockets::AcceptConnection. This
/// may be useful so that these sorts of connections can be more similar
/// to your application code as other types of connections accepted on
/// a listen socket. If this is not useful and you want to skip this
/// callback process and immediately accept the connection, call
/// ISteamNetworkingSockets::AcceptConnection before returning the
/// signaling object.
///
/// After accepting a connection (through either means), the connection
/// will transition into the "finding route" state.
virtual ISteamNetworkingConnectionCustomSignaling *OnConnectRequest( HSteamNetConnection hConn, const SteamNetworkingIdentity &identityPeer ) = 0;
/// This is called actively communication rejection or failure
/// to the incoming message. If you intend to ignore all incoming requests
/// that you do not wish to accept, then it's not strictly necessary to
/// implement this.
virtual void SendRejectionSignal( const SteamNetworkingIdentity &identityPeer, const void *pMsg, int cbMsg ) = 0;
};
extern "C" {
@ -506,7 +721,7 @@ extern "C" {
inline ISteamNetworkingSockets *SteamNetworkingSockets() { return SteamNetworkingSockets_Lib(); }
inline ISteamNetworkingSockets *SteamGameServerNetworkingSockets() { return SteamGameServerNetworkingSockets_Lib(); }
#elif defined( STEAMNETWORKINGSOCKETS_OPENSOURCE )
#elif defined( STEAMNETWORKINGSOCKETS_OPENSOURCE ) || defined( STEAMNETWORKINGSOCKETS_STREAMINGCLIENT )
// Opensource GameNetworkingSockets
STEAMNETWORKINGSOCKETS_INTERFACE ISteamNetworkingSockets *SteamNetworkingSockets();
@ -585,6 +800,8 @@ struct SteamNetConnectionStatusChangedCallback_t
/// - The list of trusted CA certificates that might be relevant for this
/// app.
/// - A valid certificate issued by a CA.
///
/// This callback is posted whenever the state of our readiness changes.
struct SteamNetAuthenticationStatus_t
{
enum { k_iCallback = k_iSteamNetworkingSocketsCallbacks + 2 };