Difference between revisions of "Unit Transport"
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{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;" | {| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;" |
Revision as of 05:17, 30 May 2018
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Contents
[hide]Description
Ultibo Network Transport interface unit
Notes:
Includes all global transport definitions plus base class for Network transports.
Currently supported transports are IP, ARP, RARP, IPX and IP6.
All HostToNetwork swaps occur at the level where they are appropriate (ie the level of their header).
Bindings is provided to support Transports (such as IP) which can provide multiple addresses on a single adapter. It is not used by the Protocol or Winsock layer and is only used by the transport where appropriate. In such cases the ConfigType in the Adapter object is not used and the Binding is used instead.
Constants
*_TYPE_*
*_HOST_*
*_ROUTE_*
*_ADDRESS_*
TTL_*
SHUTDOWN_*
SELECT_*
SS_*
IP_*
IP6_*
Type definitions
Transport statistics
IPv4 nameservers
PIPNameservers = ^TIPNameservers;
TIPNameservers = array[0..MAX_NAME_SERVERS - 1] of TInAddr;
IPv6 nameservers
PIP6Nameservers = ^TIP6Nameservers;
TIP6Nameservers = array[0..MAX_NAME_SERVERS - 1] of TIn6Addr;
Transport callback
TTransportCallback = function(ATransport:TNetworkTransport):Boolean of object;
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Monitor callback
TMonitorCallback = function(AMonitor:TNetworkMonitor):Boolean of object;
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Authenticator callback
TAuthenticatorCallback = function(AAuthenticator:TNetworkAuthenticator):Boolean of object;
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Transport packet handler
TTransportPacketHandler = function(AHandle:THandle; ASource,ADest,APacket:Pointer; ASize:Integer; ABroadcast:Boolean):Boolean of object;
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Transport control handler
TTransportControlHandler = function(AHandle:THandle; ASource,ADest:Pointer; AProtocol,ACommand,ACode:Word; AAddress,AData:Pointer; ASize:Integer):Boolean of object;
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Transport filter handler
TTransportFilterHandler = function(AHandle:THandle; ASource,ADest,APacket:Pointer; ASize:Integer; ABroadcast:Boolean):Boolean of object;
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Transport configuration handler
TTransportConfigHandler = function(AHandle:THandle; AAdapter:TTransportAdapter; ACommand:Word):Boolean of object;
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Class definitions
Transport specific classes
TTransportManager = class(TObject)
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TTransportBuffer = class(TObject)
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TTransportBufferEx = class(TObject)
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TTransportAdapter = class(TListObject)
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TTransportBinding = class(TListObject)
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TTransportProtocol = class(TListObject)
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TTransportFilter = class(TListObject)
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TTransportConfig = class(TListObject)
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TNetworkTransport = class(TListObject)
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TMonitorAdapter = class(TListObject)
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TNetworkMonitor = class(TListObject)
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TAuthenticatorAdapter = class(TListObject)
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TNetworkAuthenticator = class(TListObject)
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TTransportSocket = class(TListObject)
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TSocketList = class(TObject)
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TSocketState = class(TObject)
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TSocketBuffer = class(TObject)
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TSocketOptions = class(TObject)
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TTransportState = class(TObject)
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TTransportOptions = class(TObject)
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THostEntry = class(TListObject)
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TRouteEntry = class(TListObject)
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TAddressEntry = class(TListObject)
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TNetworkEntry = class(TListObject)
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TServEntry = class(TListObject)
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TProtoEntry = class(TListObject)
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Public variables
Transport specific variables
TransportManager:TTransportManager;
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Function declarations
Initialization functions
Transport functions
function InAddrToHost(const AAddress:TInAddr):TInAddr; inline;
function InAddrToNetwork(const AAddress:TInAddr):TInAddr; inline;
function InAddrToString(const AAddress:TInAddr):String;
function StringToInAddr(const AAddress:String):TInAddr;
function InAddrIsEqual(const AAddress1,AAddress2:TInAddr):Boolean;
function InAddrIsNone(const AAddress:TInAddr):Boolean;
function InAddrIsDefault(const AAddress:TInAddr):Boolean;
function InAddrIsLoopback(const AAddress:TInAddr):Boolean;
function InAddrIsBroadcast(const AAddress:TInAddr):Boolean;
function InAddrIsMulticast(const AAddress:TInAddr):Boolean;
function In6AddrIsEqual(const AAddress1,AAddress2:TIn6Addr):Boolean;
function In6AddrIsDefault(const AAddress:TIn6Addr):Boolean;
function In6AddrIsLoopback(const AAddress:TIn6Addr):Boolean;
function In6AddrIsLinkLocal(const AAddress:TIn6Addr):Boolean;
function In6AddrIsSiteLocal(const AAddress:TIn6Addr):Boolean;
function In6AddrIsV4Mapped(const AAddress:TIn6Addr):Boolean;
function In6AddrIsV4Compatible(const AAddress:TIn6Addr):Boolean;
function In6AddrIsMulticast(const AAddress:TIn6Addr):Boolean;
function In6AddrIsMulticastNodeLocal(const AAddress:TIn6Addr):Boolean;
function In6AddrIsMulticastLinkLocal(const AAddress:TIn6Addr):Boolean;
function In6AddrIsMulticastSiteLocal(const AAddress:TIn6Addr):Boolean;
function In6AddrIsMulticastOrgLocal(const AAddress:TIn6Addr):Boolean;
function In6AddrIsMulticastGlobal(const AAddress:TIn6Addr):Boolean;
function GetChecksum(ABuffer:Pointer; AOffset,ALength:Word):Word;
function GetChecksum2(APseudo,ABuffer:Pointer; APseudoLength,ABufferOffset,ABufferLength:Word):Word;
function GetChecksum3(APseudo,AHeader,AData:Pointer; APseudoLength,AHeaderLength,ADataOffset,ADataLength:Word):Word;
function GetChecksum4(APseudo,AHeader,AOptions,AData:Pointer; APseudoLength,AHeaderLength,AOptionsLength,ADataOffset,ADataLength:Word):Word;
Transport helper functions
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