CODEWITHSUNDEEP
c#socketscompressionprotobuf-net
Joey Morani
Joey Morani

Reputation: 26581

How to use protobuf-net to serialize a byte array?

Is it possible to serialize a byte array using protobuf-net and then send it over a socket for de-serializing client side? I'm looking for an efficient way to compress/reduce the data which is sent. Somebody told me protobuf-net would be the best way. Any idea how I would go about it?

Thanks for the help!

Upvotes: 1

Views: 3329

Answers (2)

Chiss
Chiss

Reputation: 21

We got great improvements by using the LZMA SDK from 7Zip (http://www.7-zip.org/sdk.html) to compress/decompress the byte array representation of our protobuf'ed objects. For exemple, an array of 1114 bytes shrunk to 740. But like Marc said, your mileage may vary.

Upvotes: 0

Marc Gravell
Marc Gravell

Reputation: 1062780

Protobuf-net is a serializer, intended for reducing complex object structures to a basic representation that can be sent over a wire. It does not use compression. If you want compression, using something like GZipStream. Indeed, the protobuf representation of a byte[] is: the length of the data (as a varint) followed by the original byte[]. No protobuf implementation will reduce that.

So: either send the original byte[] "as is", or use something like GZipStream to try to reduce the size. Note that this is not always possible, and for some data compression tools can increase the size.

Upvotes: 1

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