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Building A Document Request Protocol Part 2/2


In this article, Mitchell shows us how to implement our custom SARP protocol that we created yesterday. He uses PHP and its various socket functions to send SARP commands to our SARP server to both retrieve articles and add new articles to the servers Access database.

Author Info:
By: Mitchell Harper
Rating: 5 stars5 stars5 stars5 stars5 stars / 2
February 24, 2002
TABLE OF CONTENTS:
  1. · Building A Document Request Protocol Part 2/2
  2. · Connecting to our SARP server
  3. · Logging in
  4. · Using SARP commands
  5. · Adding new content using SARP commands
  6. · Conclusion

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Building A Document Request Protocol Part 2/2 - Conclusion
(Page 6 of 6 )

In this article we've seen how we can use PHP and its various socket functions to contact our SARP server and send it commands to both add and retrieve data to and from its Access database. The main purpose of this article however was to show you that it isnít too difficult to create your own custom protocol that sits on top of the TCP/IP protocol.

With a little bit of creativity and a couple of pages of code, you could easily create a protocol that you could use to allow remote computers to communicate with your proprietary data formats that reside on your server.

I myself will be creating a protocol called XProt, which will be based entirely on XML. The protocol will contain around 30 commands that people can use to retrieve the details of the content posted on devArticles. One of the commands will allow anyone to specify a series of article id's separated by commas, have those articles zipped on the Xprot server, and either stream that zip file to them, or send it to them via email.

Remember that most protocols are plain text, and implementing your own protocol is a great way to share your content with others.
DISCLAIMER: The content provided in this article is not warranted or guaranteed by Developer Shed, Inc. The content provided is intended for entertainment and/or educational purposes in order to introduce to the reader key ideas, concepts, and/or product reviews. As such it is incumbent upon the reader to employ real-world tactics for security and implementation of best practices. We are not liable for any negative consequences that may result from implementing any information covered in our articles or tutorials. If this is a hardware review, it is not recommended to open and/or modify your hardware.

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