06-15-2010
whats your OS? and version??
I did a script just like this a few years back.
my design was to ping three high profile sites that had good uptime. (google, yahoo and cnn.com)
as long as two of the pings worked then we called the internet good.
if the internet was "bad" and two or more ping failed, then it called a script that did a telnet to the ADSL modem and issueing a reboot command.
then re-testing internet 2 minutes later.
this whole script was then in cron for every 15 minutes.
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----------------
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LEARN ABOUT DEBIAN
ost_ipv4host
ost::IPV4Host(3) Library Functions Manual ost::IPV4Host(3)
NAME
ost::IPV4Host -
This object is used to hold the actual and valid internet address of a specific host machine that will be accessed through a socket.
SYNOPSIS
#include <address.h>
Inherits ost::IPV4Address.
Public Member Functions
IPV4Host (const char *host=NULL)
Create a new host address for a specific internet host.
IPV4Host (struct in_addr addr)
Convert a system socket binary address such as may be returned through the accept() call or getsockpeer() into an internet host address
object.
IPV4Address & operator= (unsigned long addr)
Allows assignment from the return of functions like inet_addr() or htonl()
IPV4Host & operator&= (const IPV4Mask &mask)
Mask the internet host address object with a network mask address.
Friends
class __EXPORT IPV4Mask
__EXPORT IPV4Host operator& (const IPV4Host &addr, const IPV4Mask &mask)
Additional Inherited Members
Detailed Description
This object is used to hold the actual and valid internet address of a specific host machine that will be accessed through a socket.
Author:
David Sugar dyfet@ostel.com Address of a specific Internet host machine.
Constructor & Destructor Documentation
ost::IPV4Host::IPV4Host (const char *host = NULL)
Create a new host address for a specific internet host. The internet host can be specified in a null terminated ASCII string and include
either the physical host address or the DNS name of a host machine. Hence, an IPV4Host ('www.voxilla.org') can be directly declaired in
this manner.
Defaults to the IP address that represents the interface matching 'gethostname()'.
Parameters:
host dns or physical address of an Internet host.
ost::IPV4Host::IPV4Host (struct in_addraddr)
Convert a system socket binary address such as may be returned through the accept() call or getsockpeer() into an internet host address
object. Parameters:
addr binary address of internet host.
Member Function Documentation
IPV4Host& ost::IPV4Host::operator&= (const IPV4Mask &mask)
Mask the internet host address object with a network mask address. This is commonly used to coerce an address by subnet.
IPV4Address& ost::IPV4Host::operator= (unsigned longaddr) [inline]
Allows assignment from the return of functions like inet_addr() or htonl()
Reimplemented from ost::IPV4Address.
References ost::IPV4Address::operator=().
Friends And Related Function Documentation
friend class __EXPORT IPV4Mask [friend]
__EXPORT IPV4Host operator& (const IPV4Host &addr, const IPV4Mask &mask) [friend]
Author
Generated automatically by Doxygen for GNU CommonC++ from the source code.
GNU CommonC++ Sat Jun 23 2012 ost::IPV4Host(3)