Difference between revisions of "Unit RAW"
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Revision as of 01:41, 24 April 2018
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Contents
Description
Ultibo Raw Socket Protocol unit
To be documented
Constants
Raw specific constants
RAW_* | Note: Some RAW definitions are in the Protocol or IP modules | |
IP_PROTOCOL_NAME = 'IP';
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RAW_PROTOCOL_NAME = 'RAW';
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RAW_TIMEOUT = 0;
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Wait forever on a RAW Read |
RAW_BUFFER_SIZE = 65536;
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RAW Receive Buffer Size |
RAW_HEADER_SIZE = 0;
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No Header for RAW |
RAW_PACKET_SIZE = 8;
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SizeOf(TRAWPacket) |
Type definitions
Raw packet
PRAWPacket = ^TRAWPacket;
TRAWPacket = record
| Note: Some RAW definitions are in the Protocol or IP modules | |
| Note: 8 Bytes (Used by RAWBuffer) | |
Size:LongWord;
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LongWord to keep size even |
Next:PRAWPacket;
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Followed by RemoteAddress (4 or 16 Bytes) |
Class definitions
RAW protocol transport
TRAWProtocolTransport = class(TProtocolTransport)
private
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public
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RAW protocol
TRAWProtocol = class(TNetworkProtocol)
constructor Create(AManager:TProtocolManager; const AName:String);
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destructor Destroy; override;
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private
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function PacketHandler(AHandle:THandle; ASource,ADest,APacket:Pointer; ASize:Integer; ABroadcast:Boolean):Boolean;
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protected
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function SelectCheck(ASource,ADest:PFDSet; ACode:Integer):Integer; override;
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function SelectWait(ASocket:TProtocolSocket; ACode:Integer; ATimeout:LongWord):Integer; override;
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function SendPacket(ASocket:TProtocolSocket; ASource,ADest:Pointer; ASourcePort,ADestPort:Word; APacket:PPacketFragment; ASize,AFlags:Integer):Integer; override;
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public
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function Accept(ASocket:TProtocolSocket; ASockAddr:PSockAddr; AAddrLength:PInteger):TProtocolSocket; override;
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function Bind(ASocket:TProtocolSocket; var ASockAddr:TSockAddr; AAddrLength:Integer):Integer; override;
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function CloseSocket(ASocket:TProtocolSocket):Integer; override;
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function Connect(ASocket:TProtocolSocket; var ASockAddr:TSockAddr; AAddrLength:Integer):Integer; override;
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function IoctlSocket(ASocket:TProtocolSocket; ACmd:DWORD; var AArg:u_long):Integer; override;
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function GetPeerName(ASocket:TProtocolSocket; var ASockAddr:TSockAddr; var AAddrLength:Integer):Integer; override;
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function GetSockName(ASocket:TProtocolSocket; var ASockAddr:TSockAddr; var AAddrLength:Integer):Integer; override;
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function GetSockOpt(ASocket:TProtocolSocket; ALevel,AOptName:Integer; AOptValue:PChar; var AOptLength:Integer):Integer; override;
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function Listen(ASocket:TProtocolSocket; ABacklog:Integer):Integer; override;
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function Recv(ASocket:TProtocolSocket; var ABuffer; ALength,AFlags:Integer):Integer; override;
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function RecvFrom(ASocket:TProtocolSocket; var ABuffer; ALength,AFlags:Integer; var AFromAddr:TSockAddr; var AFromLength:Integer):Integer; override;
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function Select(ANfds:Integer; AReadfds,AWritefds,AExceptfds:PFDSet; ATimeout:PTimeVal):LongInt; override;
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function Send(ASocket:TProtocolSocket; var ABuffer; ALength,AFlags:Integer):Integer; override;
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function SendTo(ASocket:TProtocolSocket; var ABuffer; ALength,AFlags:Integer; var AToAddr:TSockAddr; AToLength:Integer):Integer; override;
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function SetSockOpt(ASocket:TProtocolSocket; ALevel,AOptName:Integer; AOptValue:PChar; AOptLength:Integer):Integer; override;
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function Shutdown(ASocket:TProtocolSocket; AHow:Integer):Integer; override;
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function Socket(AFamily,AStruct,AProtocol:Integer):TProtocolSocket; override;
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function AddTransport(ATransport:TNetworkTransport):Boolean; override;
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function RemoveTransport(ATransport:TNetworkTransport):Boolean; override;
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function FindSocket(AFamily,AStruct,AProtocol:Word; ALocalAddress,ARemoteAddress:Pointer; ALocalPort,ARemotePort:Word; ABroadcast,AListen,ALock:Boolean; AState:LongWord):TProtocolSocket; override;
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procedure FlushSockets(All:Boolean); override;
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function StartProtocol:Boolean; override;
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function StopProtocol:Boolean; override;
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function ProcessProtocol:Boolean; override;
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RAW socket
TRAWSocket = class(TProtocolSocket)
| Note: SOCK_RAW | |
constructor Create(AProtocol:TNetworkProtocol; ATransport:TNetworkTransport);
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destructor Destroy; override;
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private
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FRecvData:TRAWBuffer;
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public
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property RecvData:TRAWBuffer read FRecvData;
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function IoCtl(ACommand:DWORD; var AArgument:u_long):Integer; override;
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function IsConnected(ALocalAddress,ARemoteAddress:Pointer; ALocalPort,ARemotePort:Word; ABroadcast:Boolean):Boolean; override;
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function IsListening(ALocalAddress,ARemoteAddress:Pointer; ALocalPort,ARemotePort:Word; ABroadcast:Boolean):Boolean; override;
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RAW buffer
TRAWBuffer = class(TSocketBuffer)
constructor Create(ASocket:TTransportSocket);
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destructor Destroy; override;
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private
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FOffset:Word;
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Offset to RemoteAddress |
FLength:Word;
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Length of RemoteAddress |
FRead:Pointer;
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Pointer to Next Read from Buffer |
FWrite:Pointer;
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Pointer to Next Write to Buffer |
FCount:LongWord;
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Number of Packets in Buffer |
FFirst:PRAWPacket;
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Pointer to First Packet |
FLast:PRAWPacket;
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Pointer to Last Packet |
function AddPacket(ASize:Integer):Boolean;
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function RemovePacket:Boolean;
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procedure FlushPackets;
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protected
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procedure SetSize(ASize:LongWord); override;
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public
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function GetNext:Integer;
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function GetCount:LongWord;
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function ReadBuffer(var ABuffer; var ASize:Integer; ARemoteAddress:Pointer; AFlags:Integer):Boolean;
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function WriteBuffer(var ABuffer; ASize:Integer; ARemoteAddress:Pointer):Boolean;
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Public variables
None defined
Function declarations
Initialization functions
procedure RAWInit;
Description: To be documented
| Note | None documented |
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