CODEWITHSUNDEEP
javascriptnode.jsprotocol-buffers
Filipe Tagliacozzi
Filipe Tagliacozzi

Reputation: 1431

What is byte fixed size length?

I have to connect and send a message to a server. It needs the Message Length and the manual states:

message length: fixed size (4 bytes)

How do you get a fixed length size in javascript/node.js? Suppose the message is: "Hello, hand shake."

Upvotes: 0

Views: 118

Answers (1)

Plato
Plato

Reputation: 11052

Use a buffer:

var buffer = new Buffer(4, 'hex');
buffer.write('aabbaaaa'); // 10101010 10111011 10101010 10101010

docs:
http://nodejs.org/api/buffer.html#buffer_buffer

useful nodejitsu article:
http://docs.nodejitsu.com/articles/advanced/buffers/how-to-use-buffers

Upvotes: 1

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