Return to Unit Reference
Description
Ultibo ICMPv6 (Internet Control Message Protocol version 6) unit
To be documented
Constants
[Expand]
ICMPv6 protocol ICMP6_PROTOCOL_*
| Note: Some ICMPV6 definitions are in the Protocol or IPv6 modules
|
|
|
ICMP6_PROTOCOL_NAME = 'ICMPV6';
|
|
[Expand]
ICMPv6 specific constants ICMP6_*
ICMP6_TIMEOUT = 0;
|
Wait forever on a ICMP6 Read
|
ICMP6_BUFFER_SIZE = 65536;
|
ICMP6 Receive Buffer Size
|
|
|
ICMP6_HEADER_SIZE = 5;
|
SizeOf(TICMP6Header);
|
|
|
ICMP6_PACKET_SIZE = 8;
|
SizeOf(TICMP6Packet)
|
Type definitions
ICMPv6 header
[Expand]
PICMP6Header = ^TICMP6Header;
TICMP6Header = packed record
| Note: Some ICMPv6 definitions are in the Protocol or IPv6 modules
|
ICMP6Type:Byte;
|
ICMP_UNREACH etc
|
Code:Byte;
|
ICMP_UNREACH_NET,ICMP_UNREACH_PORT etc
|
Checksum:Word;
|
1s Compliment checksum of Structure
|
CurrentHopLimit:Byte;
|
|
ICMPv6 packet
[Expand]
PICMP6Packet = ^TICMP6Packet;
TICMP6Packet = record
| Note: 8 Bytes (Used by ICMP6Buffer)
|
Size:LongWord;
|
LongWord to keep size even
|
Next:PICMP6Packet;
|
Followed by RemoteAddress (4 or 16 Bytes)
|
Class definitions
ICMPv6 protocol transport
[Expand]
TICMP6ProtocolTransport = class(TProtocolTransport)
constructor Create;
|
|
destructor Destroy; override;
|
|
public
|
Socket:TICMP6Socket;
|
Socket for sending replies
|
ICMPv6 protocol
[Expand]
TICMP6Protocol = class(TNetworkProtocol)
constructor Create(AManager:TProtocolManager; const AName:String);
|
|
destructor Destroy; override;
|
|
private
|
FNextICMP6Id:Word;
|
|
FNextICMP6Lock:TMutexHandle;
|
|
|
|
function PacketHandler(AHandle:THandle; ASource,ADest,APacket:Pointer; ASize:Integer; ABroadcast:Boolean):Boolean;
|
|
function ControlHandler(AHandle:THandle; ASource,ADest:Pointer; AProtocol,ACommand,ACode:Word; AAddress,AData:Pointer; ASize:Integer):Boolean;
|
|
|
|
function GetNextICMP6Id(AIncrement:Boolean):Word;
|
|
protected
|
function AddTransport(ATransport:TNetworkTransport):Boolean; override;
|
|
function RemoveTransport(ATransport:TNetworkTransport):Boolean; override;
|
|
|
|
function FindSocket(AFamily,AStruct,AProtocol:Word; ALocalAddress,ARemoteAddress:Pointer; ALocalPort,ARemotePort:Word; ABroadcast,AListen,ALock:Boolean; AState:LongWord):TProtocolSocket; override;
|
|
procedure FlushSockets(All:Boolean); override;
|
|
|
|
function SelectCheck(ASource,ADest:PFDSet; ACode:Integer):Integer; override;
|
|
|
|
function SendPacket(ASocket:TProtocolSocket; ASource,ADest:Pointer; ASourcePort,ADestPort:Word; APacket:PPacketFragment; ASize,AFlags:Integer):Integer; override;
|
|
public
|
function Accept(ASocket:TProtocolSocket; ASockAddr:PSockAddr; AAddrLength:PInteger):TProtocolSocket; override;
|
|
function Bind(ASocket:TProtocolSocket; var ASockAddr:TSockAddr; AAddrLength:Integer):Integer; override;
|
|
function CloseSocket(ASocket:TProtocolSocket):Integer; override;
|
|
function Connect(ASocket:TProtocolSocket; var ASockAddr:TSockAddr; AAddrLength:Integer):Integer; override;
|
|
function IoctlSocket(ASocket:TProtocolSocket; ACmd:DWORD; var AArg:u_long):Integer; override;
|
|
function GetPeerName(ASocket:TProtocolSocket; var ASockAddr:TSockAddr; var AAddrLength:Integer):Integer; override;
|
|
function GetSockName(ASocket:TProtocolSocket; var ASockAddr:TSockAddr; var AAddrLength:Integer):Integer; override;
|
|
function GetSockOpt(ASocket:TProtocolSocket; ALevel,AOptName:Integer; AOptValue:PChar; var AOptLength:Integer):Integer; override;
|
|
function Listen(ASocket:TProtocolSocket; ABacklog:Integer):Integer; override;
|
|
function Recv(ASocket:TProtocolSocket; var ABuffer; ALength,AFlags:Integer):Integer; override;
|
|
function RecvFrom(ASocket:TProtocolSocket; var ABuffer; ALength,AFlags:Integer; var AFromAddr:TSockAddr; var AFromLength:Integer):Integer; override;
|
|
function Select(ANfds:Integer; AReadfds,AWritefds,AExceptfds:PFDSet; ATimeout:PTimeVal):LongInt; override;
|
|
function Send(ASocket:TProtocolSocket; var ABuffer; ALength,AFlags:Integer):Integer; override;
|
|
function SendTo(ASocket:TProtocolSocket; var ABuffer; ALength,AFlags:Integer; var AToAddr:TSockAddr; AToLength:Integer):Integer; override;
|
|
function SetSockOpt(ASocket:TProtocolSocket; ALevel,AOptName:Integer; AOptValue:PChar; AOptLength:Integer):Integer; override;
|
|
function Shutdown(ASocket:TProtocolSocket; AHow:Integer):Integer; override;
|
|
function Socket(AFamily,AStruct,AProtocol:Integer):TProtocolSocket; override;
|
|
|
|
function StartProtocol:Boolean; override;
|
|
function StopProtocol:Boolean; override;
|
|
function ProcessProtocol:Boolean; override;
|
|
ICMPv6 socket
[Expand]
TICMP6Socket = class(TProtocolSocket)
| Note: SOCK_RAW
|
|
|
constructor Create(AProtocol:TNetworkProtocol; ATransport:TNetworkTransport);
|
|
destructor Destroy; override;
|
|
private
|
FRecvData:TICMP6Buffer;
|
|
public
|
property RecvData:TICMP6Buffer read FRecvData;
|
|
|
|
function IoCtl(ACommand:DWORD; var AArgument:u_long):Integer; override;
|
|
|
|
function IsConnected(ALocalAddress,ARemoteAddress:Pointer; ALocalPort,ARemotePort:Word; ABroadcast:Boolean):Boolean; override;
|
|
function IsListening(ALocalAddress,ARemoteAddress:Pointer; ALocalPort,ARemotePort:Word; ABroadcast:Boolean):Boolean; override;
|
|
ICMPv6 buffer
[Expand]
TICMP6Buffer = class(TSocketBuffer)
constructor Create(ASocket:TTransportSocket);
|
|
destructor Destroy; override;
|
|
private
|
FOffset:Word;
|
Offset to RemoteAddress
|
FLength:Word;
|
Length of RemoteAddress
|
|
|
FRead:Pointer;
|
Pointer to Next Read from Buffer
|
FWrite:Pointer;
|
Pointer to Next Write to Buffer
|
|
|
FCount:LongWord;
|
Number of Packets in Buffer
|
|
|
FFirst:PICMP6Packet;
|
Pointer to First Packet
|
FLast:PICMP6Packet;
|
Pointer to Last Packet
|
|
|
function AddPacket(ASize:Integer):Boolean;
|
|
function RemovePacket:Boolean;
|
|
procedure FlushPackets;
|
|
protected
|
procedure SetSize(ASize:LongWord); override;
|
|
public
|
function GetNext:Integer;
|
|
function GetCount:LongWord;
|
|
|
|
function ReadBuffer(var ABuffer; var ASize:Integer; ARemoteAddress:Pointer; AFlags:Integer):Boolean;
|
|
function WriteBuffer(var ABuffer; ASize:Integer; ARemoteAddress:Pointer):Boolean;
|
|
Public variables
None defined
Function declarations
Initialization functions
[Expand]
procedure ICMP6Init;
Description: To be documented
ICMPv6 functions
[Expand]
function CheckICMP6(AFamily:Word; ABuffer:Pointer):Boolean;
Description: Verify that the packet is a valid ICMP6 packet
| Buffer
|
The complete packet including Transport header
|
[Expand]
function GetICMP6HeaderOffset(AFamily:Word; ABuffer:Pointer):Word;
Description: To be documented
| Buffer
|
The complete packet including Transport header
|
[Expand]
function GetICMP6HeaderLength(AFamily:Word; ABuffer:Pointer):Word;
Description: To be documented
| Buffer
|
The complete packet including Transport header
|
[Expand]
function GetICMP6DataOffset(AFamily:Word; ABuffer:Pointer):Word;
Description: To be documented
| Buffer
|
The complete packet including Transport header
|
[Expand]
function GetICMP6DataLength(AFamily:Word; ABuffer:Pointer):Word;
Description: To be documented
| Buffer
|
The complete packet including Transport header
|
[Expand]
function ChecksumICMP6(AFamily:Word; ABuffer:Pointer; AOffset,ALength:Word):Word;
Description: Checksum the ICMP6 Header on Send/Validate the Checksum on Receive
Return to Unit Reference
