It’s been a while since my last post on using MPXJ. You can find it here. Since then have been observing the search items and have found that need to have some simple posts related to MPXJ. So starting a series on MPXJ, which I shall keep updating as and when I learn more about [...]
The entry briefly touched upon creating a multithreaded Trap receiver using SNMP4J. This is based on example shipped with SNMP4J
Pre-requisite
SNMP4J
Log4j
Structure
For complete source have a look at the class org.snmp4j.test. MultiThreadedTrapReceiver.java shipped with SNMP4J distribution
Logical structure of the program
Create Socket for accepting Traps
Create a Thread pool to process PDU’s
Process the Traps
Let’s get into the code
Lets address [...]
Networking applications always need ByteBuffer that can expand on the need basis. Java ByteBuffer doesn’t provide this feature. Fortunately, MINA’s IoBuffer class has implemented this much needed feature.
Creating Auto Expanding Buffer
IoBuffer class in MINA has a property autoExpand, which when set makes the IoBuffer expand on the need basis, very much similar to StringBuffer class.
Let’s [...]
This is a very short post. The idea was to share how I learned some basic things about Apache MINA. LoggingFilter provides a very good way of how MINA process a incoming requests. Add the LoggingFilter in the chain and enable logging. As soon as it receives a packet, watch out the logs, it provides [...]
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