How to ping a remote site using ICMP API calls
User rating: 0/10 (0 votes)
Versions: click to open
Before you begin: The Ping class presents several API functions -- IcmpCreateFile, IcmpCloseHandle, IcmpSendEcho and others -- that used to send an ICMP Echo request and get a reply (RTT, round-trip time).
This is interesting, the same set of ICMP functions may exist in two libraries, ICMP.DLL and IPHLPAPI.DLL, on WinXP/2K computer.
How to ping a remote site using IP Helper API calls
How to retrieve adapter information for the local computer (including MAC address)
Obtaining addresses for the adapters on the local computer (Win XP/2003/Vista)
Using NetWkstaTransportEnum to obtain MAC Address of remote server
Members area. Log in to view this example.
User rating: 0/10 (0 votes) 4122 bytes Created: 2005-04-12 11:53:00 Modified: 2011-12-10 09:20:22 Visits in 7 days: 111 Listed functions: My comment: The ICMP, Internet Control Message Protocol, an extension to the Internet Protocol that is generally used by PING utilities. This protocol is handy for generation of error messages, test packets, and informational messages related to IP.
It is different from TCP and UDP protocols by both the purpose and implementation. RFC792 defines the ICMP. Word Index links for this example:
Translate this page:
User Contributed Notes:
JimW | 2010-12-13 15:59:56
I think there is a small error in the ToString() method. For the first line of the method, rather than: IF .errorcode=0 I think it should be: IF this.errorcode=0
Copyright © 2001-2017
Before reproducing or distributing any data from this site please ask for an approval from its owner. Unless otherwise specified, this page is for your personal and non-commercial use.
The information on this page is presented AS IS, meaning that you may use it at your own risk.
Microsoft Visual FoxPro
and Windows are trade marks
of Microsoft Corp.
All other trademarks are the property of their respective owners.
PHP (4.4.9), an HTML-embedded scripting language,
MySQL (5.6.37), the Open Source standard SQL database,
Version 4, freeware HTML Editor of choice. Hosted by Korax Online Inc.