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Efficient, scalable, and flexible Java implementation of the Short Messaging Peer to Peer Protocol (SMPP)
Java

Merge pull request #95 from madisparn/master

add support for missing pdu's and tags
latest commit 605a539eb3
@jjlauer jjlauer authored

README.md

Cloudhopper SMPP by Twitter Build Status

News

  • Netty 4 beta is available at Maven Central. Please test and submit issues. Since stability & reliability is critical for this library and how netty-4 required significant changes -- we still need your help with beta testing.

      <dependency>
        <groupId>com.cloudhopper</groupId>
        <artifactId>ch-smpp</artifactId>
        <version>6.0.0-netty4-beta-2</version>
      </dependency>
    

Overview

Efficient, scalable, rock-solid, and flexible Java implementation of the Short Messaging Peer to Peer Protocol (SMPP).

  • Real-world used library by Twitter across nearly every SMSC vendor and mobile operator around the world. We've seen almost every variance in the SMPP protocol and this library handles it flawlessly.
  • Rigorous unit testing
  • Support for SMPP protocol:
    • Version 3.3
    • Version 3.4
    • Most of version 5.0
  • Uses non-blocking (NIO) sockets (via underlying Netty dependency, one thread can support 1 or more SMPP sessions)
  • Can support thousands of binds/connections using minimal resources and threads
  • Supports both client and server modes of the SMPP protocol (yes you can write your own SMPP server using this library as well as be a client to one)
  • Supports synchronous request mode (send request and block until response received)
  • Supports asynchronous request mode (send request, get a future response, and then decide when you'd like to wait/get a response)
  • Advanced support for SMPP "windowing":
    • Configurable window size per session
    • Waiting for a window slot to open up
    • Get a list of unacknowledged/in-flight PDUs if session disconnects
  • SSL/TLS support for clients and servers
  • Configurable support for expiry of unacknowledged PDUs
  • Configurable counter metrics per client-session, server-session, or server.
  • Support for sniffing/logging/discarding of PDUs before normal processing

The library has been tested and certified with hundreds of mobile operators and suppliers around the world. It's effective at being flexible with SMPP specifications that aren't truly compliant.

Background and Contributors

This library was originally developed by Cloudhopper, Inc. in 2008. Cloudhopper was acquired by Twitter in April 2010. The main author of this library, Joe Lauer, left Twitter in April 2013. While folks at Twitter still contribute and maintain this library, Joe is now with Fizzed, Inc. Fizzed sponsors this project in conjunction with Twitter. If you have any commercial questions/ideas pertaining to this library, feel free to reach out to Fizzed.

Installation

Library versions >= 5.0.0 are now published to the Maven Central Repository. Just add the following dependency to your project maven pom.xml:

<dependency>
  <groupId>com.cloudhopper</groupId>
  <artifactId>ch-smpp</artifactId>
  <version>5.0.8</version>
</dependency>

Demo Code / Tutorials

There are numerous examples of how to use various parts of this library:

src/test/java/com/cloudhopper/smpp/demo/

To run some of the samples, there is a Makefile to simplify the syntax required by Maven:

make client
make server
make performance-client
make simulator
make rebind
make parser
make dlr
make ssl-client
make ssl-server
make persist-client
make server-echo

On Windows, the examples can run with nmake instead of make.

The easiest way to get started is to try out our server and client or ssl-server and ssl-client examples. Open up two shells. In the first shell, run:

make server

In the second shell, run:

make client

You'll see the client bind to the server and a few different type of requests exchanged back and forth.

You can also try make persist-client instead of make client which demonstrates a persistent SMPP connection.

make server-echo will echo back any MT as an MO. This makes it easier to test handling of MO messages.

User Contributed Demos

A more complete persistent client demo:

(https://github.com/krasa/cloudhopper-smpp/tree/persistent-connection/src/test/java/com/cloudhopper/smpp/demo/persist)

A tutorial in Russian:

https://github.com/wizardjedi/my-spring-learning/wiki/Twitter-cloudhopper

Please let us know if you have other tutorials worth mentioning!

License

Copyright (C) 2009-2015 Twitter, Inc.

This work is licensed under the Apache License, Version 2.0. See LICENSE for details.

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