/*************************************************************************** * * Copyright (C) 2001 Microsoft Corporation. All Rights Reserved. * * File: dpnathlp.h * * Content: Header for using DirectPlayNATHelp interface. * ***************************************************************************/ #ifndef __DPNATHLP_H__ #define __DPNATHLP_H__ #include // for DECLARE_INTERFACE and HRESULT #ifndef DPNATHLP_EXPORTS #define DPNATHLPAPI DECLSPEC_IMPORT #else #define DPNATHLPAPI #endif #ifdef __cplusplus extern "C" { #endif /**************************************************************************** * * DirectPlay NAT Helper object class IDs * ****************************************************************************/ // {B9C2E9C4-68C1-4d42-A7A1-E76A26982AD6} DEFINE_GUID(CLSID_DirectPlayNATHelpUPnP, 0xb9c2e9c4, 0x68c1, 0x4d42, 0xa7, 0xa1, 0xe7, 0x6a, 0x26, 0x98, 0x2a, 0xd6); // {963AB779-16A1-477c-A36D-CB5E711938F7} DEFINE_GUID(CLSID_DirectPlayNATHelpPAST, 0x963ab779, 0x16a1, 0x477c, 0xa3, 0x6d, 0xcb, 0x5e, 0x71, 0x19, 0x38, 0xf7); /**************************************************************************** * * DirectPlay NAT Helper interface ID * ****************************************************************************/ // {154940B6-2278-4a2f-9101-9BA9F431F603} DEFINE_GUID(IID_IDirectPlayNATHelp, 0x154940b6, 0x2278, 0x4a2f, 0x91, 0x1, 0x9b, 0xa9, 0xf4, 0x31, 0xf6, 0x3); /**************************************************************************** * * DirectPlay NAT Helper interface pointer definitions * ****************************************************************************/ typedef struct IDirectPlayNATHelp *PDIRECTPLAYNATHELP; /**************************************************************************** * * DirectPlay NAT Helper data types * ****************************************************************************/ // // Handles used to identify specific port binding groups. If multiple ports // are registered at the same time, the DPNHHANDLE refers to all ports. // typedef DWORD_PTR DPNHHANDLE, * PDPNHHANDLE; /**************************************************************************** * * DirectPlay NAT Helper constants * ****************************************************************************/ #define DPNH_MAX_SIMULTANEOUS_PORTS 16 // up to 16 ports may be specified in a single RegisterPorts call /**************************************************************************** * * DirectPlay NAT Helper API flags * ****************************************************************************/ // // Flags that can be passed to Initialize // #define DPNHINITIALIZE_DISABLEGATEWAYSUPPORT 0x01 // disables Internet gateway traversal support (cannot be specified with DPNHINITIALIZE_DISABLELOCALFIREWALLSUPPORT) #define DPNHINITIALIZE_DISABLELOCALFIREWALLSUPPORT 0x02 // disables local firewall traversal support (cannot be specified with DPNHINITIALIZE_DISABLEGATEWAYSUPPORT) // // Flags that can be passed to GetCaps. // #define DPNHGETCAPS_UPDATESERVERSTATUS 0x01 // automatically extend expiring leases and detect changes in server status // // Flags that can be passed to RegisterPorts. // #define DPNHREGISTERPORTS_TCP 0x01 // request TCP ports instead of UDP #define DPNHREGISTERPORTS_FIXEDPORTS 0x02 // asks the server to use the same port numbers on the public interface #define DPNHREGISTERPORTS_SHAREDPORTS 0x04 // requests that the server allow the UDP fixed ports to be shared with other clients (must be specified with DPNHREGISTERPORTS_FIXEDPORTS and cannot be specified with DPNHREGISTERPORTS_TCP) // // Flags that can be passed to GetRegisteredAddresses. // #define DPNHGETREGISTEREDADDRESSES_LOCALFIREWALLREMAPONLY 0x01 // retrieve the public address for the local firewall only, even if mapped on remote Internet gateway // // Flags that can be passed to QueryAddress. // #define DPNHQUERYADDRESS_TCP 0x01 // request a TCP port instead of UDP #define DPNHQUERYADDRESS_CACHEFOUND 0x02 // cache the discovered address if found #define DPNHQUERYADDRESS_CACHENOTFOUND 0x04 // cache the fact that no address was found, if that is the case #define DPNHQUERYADDRESS_CHECKFORPRIVATEBUTUNMAPPED 0x08 // determine if the address is behind the same Internet gateway, but not mapped on that Internet gateway /**************************************************************************** * * DirectPlay NAT Helper structure flags * ****************************************************************************/ // // DPNHCAPS flags // #define DPNHCAPSFLAG_LOCALFIREWALLPRESENT 0x01 // at least one network connection has a local firewall present #define DPNHCAPSFLAG_GATEWAYPRESENT 0x02 // at least one network connection has an Internet gateway present #define DPNHCAPSFLAG_GATEWAYISLOCAL 0x04 // a detected Internet gateway is local (i.e. the public address is another network interface on the same machine) #define DPNHCAPSFLAG_PUBLICADDRESSAVAILABLE 0x08 // at least one server has a valid public address for registered mappings #define DPNHCAPSFLAG_NOTALLSUPPORTACTIVENOTIFY 0x10 // at least one available server does not support an active-notification mechanisms and must be polled /**************************************************************************** * * DirectPlay NAT Helper structures * ****************************************************************************/ typedef struct _DPNHCAPS { DWORD dwSize; // size of this structure, must be filled in prior to calling GetCaps DWORD dwFlags; // flags indicating capabilities of Internet gateway server(s) DWORD dwNumRegisteredPorts; // number of ports currently registered, including multiple ports registered at the same time (so this may not be equal to the number of DPNHHANDLEs given out) DWORD dwMinLeaseTimeRemaining; // approximate time remaining, in milliseconds, for the lease that will expire soonest DWORD dwRecommendedGetCapsInterval; // recommended time, in milliseconds, after which GetCaps should be called again (with DPNHGETCAPS_UPDATESERVERSTATUS flag) } DPNHCAPS, * PDPNHCAPS; /**************************************************************************** * * Address type flags (returned by GetRegisteredAddresses) * ****************************************************************************/ #define DPNHADDRESSTYPE_TCP 0x01 // the mappings are for TCP ports instead of UDP #define DPNHADDRESSTYPE_FIXEDPORTS 0x02 // the mappings are for ports which are the same on the Internet gateway #define DPNHADDRESSTYPE_SHAREDPORTS 0x04 // the mappings are for shared UDP fixed ports #define DPNHADDRESSTYPE_LOCALFIREWALL 0x08 // the addresses are opened on a local firewall #define DPNHADDRESSTYPE_GATEWAY 0x10 // the addresses are registered with an Internet gateway #define DPNHADDRESSTYPE_GATEWAYISLOCAL 0x20 // the Internet gateway is local (i.e. the public address is another network interface on the same machine) /**************************************************************************** * * DirectPlay NAT Helper DLL exported functions * ****************************************************************************/ typedef HRESULT (WINAPI * PFN_DIRECTPLAYNATHELPCREATE)(const GUID * pIID, void ** ppvInterface); /**************************************************************************** * * DirectPlay NAT Helper application interfaces * ****************************************************************************/ #undef INTERFACE #define INTERFACE IDirectPlayNATHelp DECLARE_INTERFACE_(IDirectPlayNATHelp, IUnknown) { /*** IUnknown methods ***/ STDMETHOD(QueryInterface) (THIS_ REFIID riid, LPVOID * ppvObj) PURE; STDMETHOD_(ULONG,AddRef) (THIS) PURE; STDMETHOD_(ULONG,Release) (THIS) PURE; /*** IDirectPlayNATHelp methods ***/ STDMETHOD(Initialize) (THIS_ const DWORD dwFlags) PURE; STDMETHOD(Close) (THIS_ const DWORD dwFlags) PURE; STDMETHOD(GetCaps) (THIS_ DPNHCAPS * const dpnhcaps, const DWORD dwFlags) PURE; STDMETHOD(RegisterPorts) (THIS_ const SOCKADDR * const aLocalAddresses, const DWORD dwAddressesSize, const DWORD dwNumAddresses, const DWORD dwLeaseTime, DPNHHANDLE * const phRegisteredPorts, const DWORD dwFlags) PURE; STDMETHOD(GetRegisteredAddresses) (THIS_ const DPNHHANDLE hRegisteredPorts, SOCKADDR * const paPublicAddresses, DWORD * const pdwPublicAddressesSize, DWORD * const pdwAddressTypeFlags, DWORD * const pdwLeaseTimeRemaining, const DWORD dwFlags) PURE; STDMETHOD(DeregisterPorts) (THIS_ const DPNHHANDLE hRegisteredPorts, const DWORD dwFlags) PURE; STDMETHOD(QueryAddress) (THIS_ const SOCKADDR * const pSourceAddress, const SOCKADDR * const pQueryAddress, SOCKADDR * const pResponseAddress, const int iAddressesSize, const DWORD dwFlags) PURE; STDMETHOD(SetAlertEvent) (THIS_ const HANDLE hEvent, const DWORD dwFlags) PURE; STDMETHOD(SetAlertIOCompletionPort) (THIS_ const HANDLE hIOCompletionPort, const DWORD dwCompletionKey, const DWORD dwNumConcurrentThreads, const DWORD dwFlags) PURE; STDMETHOD(ExtendRegisteredPortsLease) (THIS_ const DPNHHANDLE hRegisteredPorts, const DWORD dwLeaseTime, const DWORD dwFlags) PURE; }; /**************************************************************************** * * DirectPlay NAT Helper application interface macros * ****************************************************************************/ #if (! defined(__cplusplus) || defined(CINTERFACE)) #define IDirectPlayNATHelp_QueryInterface(p,a,b) (p)->lpVtbl->QueryInterface(p,a,b) #define IDirectPlayNATHelp_AddRef(p) (p)->lpVtbl->AddRef(p) #define IDirectPlayNATHelp_Release(p) (p)->lpVtbl->Release(p) #define IDirectPlayNATHelp_Initialize(p,a) (p)->lpVtbl->Initialize(p,a) #define IDirectPlayNATHelp_Close(p,a) (p)->lpVtbl->Close(p,a) #define IDirectPlayNATHelp_GetCaps(p,a,b) (p)->lpVtbl->GetCaps(p,a,b) #define IDirectPlayNATHelp_RegisterPorts(p,a,b,c,d,e,f) (p)->lpVtbl->RegisterPorts(p,a,b,c,d,e,f) #define IDirectPlayNATHelp_GetRegisteredAddresses(p,a,b,c,d,e,f) (p)->lpVtbl->GetRegisteredAddresses(p,a,b,c,d,e,f) #define IDirectPlayNATHelp_DeregisterPorts(p,a,b) (p)->lpVtbl->DeregisterPorts(p,a,b) #define IDirectPlayNATHelp_QueryAddress(p,a,b,c,d,e) (p)->lpVtbl->QueryAddress(p,a,b,c,d,e) #define IDirectPlayNATHelp_SetAlertEvent(p,a,b) (p)->lpVtbl->SetAlertEvent(p,a,b) #define IDirectPlayNATHelp_SetAlertIOCompletionPort(p,a,b,c,d) (p)->lpVtbl->SetAlertIOCompletionPort(p,a,b,c,d) #define IDirectPlayNATHelp_ExtendRegisteredPortsLease(p,a,b,c) (p)->lpVtbl->ExtendRegisteredPortsLease(p,a,b,c) #else // C++ #define IDirectPlayNATHelp_QueryInterface(p,a,b) (p)->QueryInterface(a,b) #define IDirectPlayNATHelp_AddRef(p) (p)->AddRef() #define IDirectPlayNATHelp_Release(p) (p)->Release() #define IDirectPlayNATHelp_Initialize(p,a) (p)->Initialize(a) #define IDirectPlayNATHelp_Close(p,a) (p)->Close(a) #define IDirectPlayNATHelp_GetCaps(p,a,b) (p)->GetCaps(a,b) #define IDirectPlayNATHelp_RegisterPorts(p,a,b,c,d,e,f) (p)->RegisterPorts(a,b,c,d,e,f) #define IDirectPlayNATHelp_GetRegisteredAddresses(p,a,b,c,d,e,f) (p)->GetRegisteredAddresses(a,b,c,d,e,f) #define IDirectPlayNATHelp_DeregisterPorts(p,a,b) (p)->DeregisterPorts(a,b) #define IDirectPlayNATHelp_QueryAddress(p,a,b,c,d,e) (p)->QueryAddress(a,b,c,d,e) #define IDirectPlayNATHelp_SetAlertEvent(p,a,b) (p)->SetAlertEvent(a,b) #define IDirectPlayNATHelp_SetAlertIOCompletionPort(p,a,b,c,d) (p)->SetAlertIOCompletionPort(a,b,c,d) #define IDirectPlayNATHelp_ExtendRegisteredPortsLease(p,a,b,c) (p)->ExtendRegisteredPortsLease(a,b,c) #endif /**************************************************************************** * * DirectPlay NAT Helper return codes * * Errors are represented by negative values and cannot be combined. * ****************************************************************************/ #define _DPNH_FACILITY_CODE 0x015 #define _DPNH_HRESULT_BASE 0xF000 #define MAKE_DPNHSUCCESS(code) MAKE_HRESULT(0, _DPNH_FACILITY_CODE, (code + _DPNH_HRESULT_BASE)) #define MAKE_DPNHFAILURE(code) MAKE_HRESULT(1, _DPNH_FACILITY_CODE, (code + _DPNH_HRESULT_BASE)) #define DPNH_OK S_OK #define DPNHSUCCESS_ADDRESSESCHANGED MAKE_DPNHSUCCESS(0x10) #define DPNHERR_ALREADYINITIALIZED MAKE_DPNHFAILURE(0x10) #define DPNHERR_BUFFERTOOSMALL MAKE_DPNHFAILURE(0x20) #define DPNHERR_GENERIC E_FAIL #define DPNHERR_INVALIDFLAGS MAKE_DPNHFAILURE(0x30) #define DPNHERR_INVALIDOBJECT MAKE_DPNHFAILURE(0x40) #define DPNHERR_INVALIDPARAM E_INVALIDARG #define DPNHERR_INVALIDPOINTER E_POINTER #define DPNHERR_NOMAPPING MAKE_DPNHFAILURE(0x50) #define DPNHERR_NOMAPPINGBUTPRIVATE MAKE_DPNHFAILURE(0x60) #define DPNHERR_NOTINITIALIZED MAKE_DPNHFAILURE(0x70) #define DPNHERR_OUTOFMEMORY E_OUTOFMEMORY #define DPNHERR_PORTALREADYREGISTERED MAKE_DPNHFAILURE(0x80) #define DPNHERR_PORTUNAVAILABLE MAKE_DPNHFAILURE(0x90) #define DPNHERR_REENTRANT MAKE_DPNHFAILURE(0x95) #define DPNHERR_SERVERNOTAVAILABLE MAKE_DPNHFAILURE(0xA0) #define DPNHERR_UPDATESERVERSTATUS MAKE_DPNHFAILURE(0xC0) #ifdef __cplusplus } #endif #endif // __DPNATHLP_H__