How to obtain IP Address of current node using inet?

[omnetuser99]

Hi,

I have a network with source node A connected to an intermediate node B and destination node C connected to intermediate node B.

I want to put a command in c++ code which gives me IPv4 address of the current node where the packet is being processed. For example, if the packet is at node A, it should give me IP of node A and if at B, it should give IP address of node B.

I am doing this in inet framework.

Thank you.

[omnetuser99]

P.S. There should be only one dynamic command for knowing the IP address of current node irrespective of the node name.

[Andreas Benzing]

Hey,

I'm using the code below which takes the address of interface 1 because 0 is set up to be the loopback interface.

IInterfaceTable* ift = InterfaceTableAccess().get();

IPAddress localIP;

if (ift->getInterface(1)->ipv4Data() != NULL) {

    localIP = ift->getInterface(1)->ipv4Data()->getIPAddress();

}

On Friday, November 2, 2012 10:55:36 AM UTC+1, omnetuser99 wrote:

[Alfonso Ariza Quintana]

 IPvXAddress addr = IPvXAddressResolver().resolve("node");

---

Date: Fri, 2 Nov 2012 06:04:14 -0700
From: muhamm...@gmail.com
To: omn...@googlegroups.com
Subject: [Omnetpp-l] Re: How to obtain IP Address of current node using inet?

This line is giving error localIP = ift->getInterface(1)->ipv4Data()->getIPAddress(); saying invalid use of 'structIPv4InterfaceData'. I have declared local IP as IPv4Address localIP; not just IPAddress.

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[nilou...@gmail.com]

how can i obtain host name from ipAddress?

thank you

[Alfonso Ariza Quintana]

 

IPvXAddressResolver().findHostWithAddress(IPvXAddress(addr))->getName();

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[nilou attar]

Thank you but this code has bug. Do you know there is any way to solve it?

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[Alfonso Ariza Quintana]

You need to check if the address is found

cModule *mod = IPvXAddressResolver().findHostWithAddress(IPvXAddress(addr))->getName();
if (mod != NULL) mod->getName(); // address found

---

Date: Fri, 19 Jun 2015 11:07:55 +0430
Subject: Re: [Omnetpp-l] Re: How to obtain IP Address of current node using inet?
From: nilou...@gmail.com
To: omn...@googlegroups.com

[Alfonso Ariza Quintana]

Sorry a mistake

cModule *mod = IPvXAddressResolver().findHostWithAddress(IPvXAddress(addr));

if (mod != NULL) mod->getName();

// address found

---

From: aari...@hotmail.com
To: omn...@googlegroups.com
Subject: RE: [Omnetpp-l] Re: How to obtain IP Address of current node using inet?
Date: Sun, 21 Jun 2015 11:30:11 +0200

[Shaikha Al-Khuder]

It shows that the command is undeclared..

"use of undeclared identifier 'IPv4AddressResolver'"

Did I miss to include a certain header file?

[Alfonso Ariza Quintana]

It is IPvXAddressResolver not 'IPv4AddressResolver'

 

De: omn...@googlegroups.com [mailto:omn...@googlegroups.com] En nombre de Shaikha Al-Khuder

Enviado el: viernes, 26 de junio de 2015 13:15
Para: omn...@googlegroups.com
CC: aari...@hotmail.com

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[Adriana V R]

When I try to use the IPvXAddressResolver() the following message shows up: IPvXAddressResolver was not declared in this scope

Code: IPv4Address addr = IPvXAddressResolver().resolve("wiredHost1");

[Alfonso Ariza Quintana]

If you are using the latest inet or inetmanet version the class name is L3AddressResolver

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