learning_zeromq.pdf

Code Connected Volume 1

Pieter Hintjens

Code Connected Volume 1

Learning ZeroMQ

Professional Edition for C/C++

To my children Noémie, Freeman, and Gregor

Code Connected Volume 1

Copyright © 2010-2013 Pieter Hintjens

First Printing: January 6th, 2013

Licensed under CC-BY-SA-3.0

Erlang, Go, Haskell, Haxe, Java, Lisp, Lua, Node.js, Objective-C, Perl, PHP,

Python, Ruby, Scala, Tcl, and other languages.

ISBN 978-1481262651

Contents

7 Preface

7 ØMQ in a Hundred Words

7 How It Began

7 The Zen of Zero

8 How This Book Came To Be

9 Audience

16 A Minor Note on Strings

17 Version Reporting

18 Getting the Message Out

22 Divide and Conquer

26 Programming with ØMQ

28 Why We Needed ØMQ

32 Socket Scalability

32 Upgrading from ØMQ v2.2 to ØMQ v3.2

34 Warning: Unstable Paradigms!

35 Chapter 2. Sockets and Patterns

67 Signaling Between Threads (PAIR Sockets)

69 Node Coordination

72 Zero-Copy

73 Pub-Sub Message Envelopes

75 High-Water Marks

76 Missing Message Problem Solver

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