This is TCPCalc the TCP Server Calculator.

bundle install
bin/tcpcalc

The default port for tcpcalc is 6789. To run it on a specific port run

bin/tcpcalc PORT

Where PORT is the port number you want to start the server on.

Once the server is running. You can connect to it with telnet or any other tcp client.

GET

This command will return your number.

ADD n

Where n is an integer to add to your number. responds with 'ok\n' on success.

SUBTRACT n

Where n is an integer to subtract from your number. response with 'ok\n' on success.

EXIT

Closes your connection to the server.

After checking out the repo, run bundle install to install dependencies. Then, run rake spec to run the tests. You can also run bin/tcpcalc to start the server.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Bug reports and pull requests are welcome on GitHub at https://github.com/srodman7689/tcpcalc.

The gem is available as open source under the terms of the MIT License.