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Method and system for file transfer over a messaging infrastructure

  • US 9,860,299 B2
  • Filed: 09/12/2016
  • Issued: 01/02/2018
  • Est. Priority Date: 09/13/2007
  • Status: Expired due to Fees
First Claim
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1. A method for file transfer over a messaging infrastructure, comprising:

  • dividing a file into multiple portions including a first portion and at least one subsequent portion;

    creating a message including a multiplicity of headers and payloads with an individual one of the headers and an individual one of the payloads for each of the multiple portions of the file, each of the payloads including a corresponding one of the multiple portions and being associated with a corresponding one of the message headers, wherein the one of the headers of a message for the first portion includes a hash for the first portion included in the message for the first portion, and the one of the headers of a message for any subsequent portion includes two different hashes;

    a first hash summarizing a first state of the file up to, but not including, a current one of the portions included in the message for the subsequent portion, the first state indicating a state of the file that is required in order to add the current one of the portions to the file when recreating the file at a target computing device;

    a second hash summarizing a second state of the file up to and including the current one of the portions included in the message for the subsequent portion, the second state indicating a state of a recreated file after having added the current portion to the file at the target computing device; and

    sending each created message to the target computing device by way of a message queue,wherein each of the payloads is filled from an end of free space available in the message so that space allocated for each of the headers is able to grow at a head of the message, while file data grows from a tail of the message, wherein a single fixed size buffer is used to store the message without moving data within the message as file portions are added.

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