Hi, Maybe you should look at this : https://github.com/edenhill/librdkafka
Regards, Robin 2016-03-03 11:47 GMT+01:00 Hopson, Stephen <stephen.hop...@gb.unisys.com>: > Hi, > > Not sure if this is the right forum for this question, but if it not I’m > sure someone will direct me to the proper one. > > Also, I am new to Kafka (but not new to computers). > > > > I want to write a kafka producer client for a Unisys OS 2200 mainframe. I > need to write it in C, and since I have no access to Windows / Unix / Linux > libraries, I have to develop the interface at the lowest level. > > > > So far, I have downloaded a kafka server with associated zookeeper (kafka > _2.10-0.8.2.2). Note I have downloaded the Windows version and have it > running on my laptop, successfully tested on the same laptop with the > provided provider and consumer clients. > > > > I have developed code to open a TCP session to the kafka server which > appears to work and I have attempted to send a metadata request which does > not appear to work. When I say it does not appear to work, I mean that I > send the message and then I sit on a retrieve, which eventually times out ( > I do seem to get one character in the receive buffer of 0235 octal). The > message format I am using is the one described by the excellent document by > Jay Creps / Gwen Shapira at > https://cwiki.apache.org/confluence/display/KAFKA/A+Guide+To+The+Kafka+Protocol > However, it is not clear what level of kafka these message formats are > applicable for. > > > > Can anybody offer me any advice or suggestions as to how to progress? > > > > PS is the CRC mandatory in the Producer messages? > > Many thanks in advance. > > > > *Stephen Hopson* | Infrastructure Architect | Enterprise Solutions > > Unisys | +44 (0)1908 805010 | +44 (0)7557 303321 | > stephen.hop...@gb.unisys.com > > > > [image: unisys_logo] <http://www.unisys.com/> > > > > THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE PROPRIETARY > MATERIAL and is for use only by the intended recipient. If you received > this in error, please contact the sender and delete the e-mail and its > attachments from all devices. > > >
