Class TPINGSend

Unit

pingsend

Declaration

type TPINGSend = class(TSynaClient)

Description

Implementation of ICMP PING and ICMPv6 PING.

Hierarchy

• TObject
• TSynaClient
• TPINGSend

Overview

Methods

	function Ping(const Host: string): Boolean;
	constructor Create;
	destructor Destroy; override;

Properties

	property PacketSize: Integer read FPacketSize Write FPacketSize;
	property PingTime: Integer read FPingTime;
	property ReplyFrom: string read FReplyFrom;
	property ReplyType: byte read FReplyType;
	property ReplyCode: byte read FReplyCode;
	property ReplyError: TICMPError read FReplyError;
	property ReplyErrorDesc: string read FReplyErrorDesc;
	property Sock: TICMPBlockSocket read FSock;
	property TTL: byte read FTTL write FTTL;

Description

Methods

function Ping(const Host: string): Boolean;

Send ICMP ping to host and count PingTime. If ping OK, result is True.

constructor Create;

destructor Destroy; override;

Properties

property PacketSize: Integer read FPacketSize Write FPacketSize;

Size of PING packet. Default size is 32 bytes.

property PingTime: Integer read FPingTime;

Time between request and reply.

property ReplyFrom: string read FReplyFrom;

From this address is sended reply for your PING request. It maybe not your requested destination, when some error occured!

property ReplyType: byte read FReplyType;

ICMP type of PING reply. Each protocol using another values! For IPv4 and IPv6 are used different values!

property ReplyCode: byte read FReplyCode;

ICMP code of PING reply. Each protocol using another values! For IPv4 and IPv6 are used different values! For protocol independent value look to ReplyError

property ReplyError: TICMPError read FReplyError;

Return type of returned ICMP message. This value is independent on used protocol!

property ReplyErrorDesc: string read FReplyErrorDesc;

Return human readable description of returned packet type.

property Sock: TICMPBlockSocket read FSock;

Socket object used for TCP/IP operation. Good for seting OnStatus hook, etc.

property TTL: byte read FTTL write FTTL;

TTL value for ICMP query