How to send a specific message for udpapp in inet framework?

[omnetuser99]

Hi,

I want to send a specific message e.g. "Test Message" from host1 to host2. Right now I can send a dummy message through following lines in .INI file and it works but how can I specify a specific message in a packet rather than a dummy message?

**.host[0].numUdpApps = 1

**.host[0].udpApp[0].typename = "UDPBasicApp"

**.host[0].udpApp[0].localPort = 100

**.host[0].udpApp[0].destPort = 100

**.host[0].udpApp[0].messageLength = 128 bytes

**.host[0].udpApp[0].sendInterval = 1s

**.host[0].udpApp[0].destAddresses = "host[1]"

**.host[1].numUdpApps = 1

**.host[1].udpApp[0].typename = "UDPSink"

**.host[1].udpApp[0].localPort = 100

Also, if i specify a message, do I need to specify messageLength as well?

Thank you.

[omnetuser99]

I checked the paramters of UDP Basic App but none of them was about specifying a particular message. Is it possible to specify it this way or even some other alternative way to send a custom message?

[Vitor Bernardo]

Take a look on UDPBasicApp class and check the createPacket method. For instance, can extend the UDPBasicApp and include the "custom message"...

--
BR,

Vítor Bernardo

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[Adee]

You can use addpar() to add object with the message or create your own Packet class through inheritance. BTW I guess addpar() will work for you.

You can easily find the example of addpar() in omnet manual.

-Adee