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|
gRPC Ruby
=========
A Ruby implementation of gRPC.
Status
-------
Alpha : Ready for early adopters
INSTALLATION PREREQUISITES
--------------------------
This requires Ruby 2.1, as the RPC API surface uses keyword args.
QUICK - INSTALL
---------------
- Clone this repository.
- Follow the instructions in [INSTALL](../../INSTALL) to install the gRPC C core.
- If you don't have Ruby 2.1 installed, switch to the more detailed instructions below
- Use bundler to install
```sh
$ # from this directory
$ gem install bundler && bundle install
```
Installing from source
----------------------
- Build the gRPC C core
E.g, from the root of the gRPC [git repo](https://github.com/google/grpc)
```sh
$ cd ../..
$ make && sudo make install
```
- Install Ruby 2.1. Consider doing this with [RVM](http://rvm.io), it's a nice way of controlling
the exact ruby version that's used.
```sh
$ command curl -sSL https://rvm.io/mpapis.asc | gpg --import -
$ \curl -sSL https://get.rvm.io | bash -s stable --ruby=ruby-2.1
$
$ # follow the instructions to ensure that your're using the latest stable version of Ruby
$ # and that the rvm command is installed
```
- Make sure your run `source $HOME/.rvm/scripts/rvm` as instructed to complete the set up of RVM
- Install [bundler](http://bundler.io/)
```
$ gem install bundler
```
- Finally, install the gRPC gem locally.
```sh
$ # from this directory
$ bundle install # creates the ruby bundle, including building the grpc extension
$ rake # runs the unit tests, see rake -T for other options
```
CONTENTS
--------
Directory structure is the layout for [ruby extensions](http://guides.rubygems.org/gems-with-extensions/)
- ext:
the gRPC ruby extension
- lib:
the entrypoint gRPC ruby library to be used in a 'require' statement
- spec:
Rspec unittest
- bin:
example gRPC clients and servers, e.g,
```ruby
stub = Math::Math::Stub.new('my.test.math.server.com:8080')
req = Math::DivArgs.new(dividend: 7, divisor: 3)
logger.info("div(7/3): req=#{req.inspect}")
resp = stub.div(req)
logger.info("Answer: #{resp.inspect}")
```
|
