Update modules and packages to allow for a single grpc import

- ensured tests only need to do 'require grpc'
- ensured that the example math_server and math_client only need to do 'require grpc'
- ensured that the other other client and servers only need to do one thing
	Change on 2014/12/11 by temiola <temiola@google.com>
-------------
Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=81894613

src/ruby/bin/interop/interop_client.rb

@@ -47,8 +47,6 @@ require 'minitest'
 require 'minitest/assertions'
 
 require 'grpc'
-require 'grpc/generic/client_stub'
-require 'grpc/generic/service'
 
 require 'third_party/stubby/testing/proto/test.pb'
 require 'third_party/stubby/testing/proto/messages.pb'

src/ruby/bin/interop/interop_server.rb

@@ -46,8 +46,6 @@ require 'forwardable'
 require 'optparse'
 
 require 'grpc'
-require 'grpc/generic/service'
-require 'grpc/generic/rpc_server'
 
 require 'third_party/stubby/testing/proto/test.pb'
 require 'third_party/stubby/testing/proto/messages.pb'

src/ruby/bin/math_client.rb

@@ -40,8 +40,6 @@ $LOAD_PATH.unshift(lib_dir) unless $LOAD_PATH.include?(lib_dir)
 $LOAD_PATH.unshift(this_dir) unless $LOAD_PATH.include?(this_dir)
 
 require 'grpc'
-require 'grpc/generic/client_stub'
-require 'grpc/generic/service'
 require 'math.pb'
 require 'optparse'
 

src/ruby/bin/math_server.rb

@@ -41,8 +41,6 @@ $LOAD_PATH.unshift(this_dir) unless $LOAD_PATH.include?(this_dir)
 
 require 'forwardable'
 require 'grpc'
-require 'grpc/generic/service'
-require 'grpc/generic/rpc_server'
 require 'math.pb'
 require 'optparse'
 

src/ruby/bin/noproto_client.rb

@@ -37,8 +37,6 @@ lib_dir = File.join(File.dirname(this_dir), 'lib')
 $LOAD_PATH.unshift(lib_dir) unless $LOAD_PATH.include?(lib_dir)
 
 require 'grpc'
-require 'grpc/generic/client_stub'
-require 'grpc/generic/service'
 
 class EchoMsg
   def marshal

src/ruby/bin/noproto_server.rb

@@ -37,8 +37,6 @@ lib_dir = File.join(File.dirname(this_dir), 'lib')
 $LOAD_PATH.unshift(lib_dir) unless $LOAD_PATH.include?(lib_dir)
 
 require 'grpc'
-require 'grpc/generic/rpc_server'
-require 'grpc/generic/service'
 
 class EchoMsg
   def marshal

src/ruby/lib/grpc.rb

@@ -34,6 +34,10 @@ require 'grpc/logconfig'
 require 'grpc/version'
 require 'grpc/core/event'
 require 'grpc/core/time_consts'
+require 'grpc/generic/active_call'
+require 'grpc/generic/client_stub'
+require 'grpc/generic/service'
+require 'grpc/generic/rpc_server'
 
 # alias GRPC
 GRPC = Google::RPC

src/ruby/lib/grpc/generic/active_call.rb

@@ -28,7 +28,6 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 require 'forwardable'
-require 'grpc'
 require 'grpc/generic/bidi_call'
 
 def assert_event_type(ev, want)
@@ -37,7 +36,7 @@ def assert_event_type(ev, want)
   raise 'Unexpected rpc event: got %s, want %s' % [got, want] unless got == want
 end
 
-module GRPC
+module Google::RPC
 
   # The ActiveCall class provides simple methods for sending marshallable
   # data to a call

src/ruby/lib/grpc/generic/bidi_call.rb

@@ -28,9 +28,9 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 require 'forwardable'
-require 'grpc'
+require 'grpc/grpc'
 
-module GRPC
+module Google::RPC
 
   # The BiDiCall class orchestrates exection of a BiDi stream on a client or
   # server.

src/ruby/lib/grpc/generic/client_stub.rb

@@ -27,11 +27,10 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-require 'grpc'
 require 'grpc/generic/active_call'
 require 'xray/thread_dump_signal_handler'
 
-module GRPC
+module Google::RPC
 
   # ClientStub represents an endpoint used to send requests to GRPC servers.
   class ClientStub

src/ruby/lib/grpc/generic/rpc_desc.rb

@@ -27,9 +27,9 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-require 'grpc'
+require 'grpc/grpc'
 
-module GRPC
+module Google::RPC
 
   # RpcDesc is a Descriptor of an RPC method.
   class RpcDesc < Struct.new(:name, :input, :output, :marshal_method,
@@ -99,7 +99,7 @@ module GRPC
         # event.  Send a status of deadline exceeded
         logger.warn("late call: #{active_call}")
         send_status(active_call, DEADLINE_EXCEEDED, 'late')
-      rescue Core::EventError => e
+      rescue EventError => e
         # This is raised by GRPC internals but should rarely, if ever happen.
         # Log it, but don't notify the other endpoint..
         logger.warn("failed call: #{active_call}\n#{e}")

src/ruby/lib/grpc/generic/rpc_server.rb

@@ -27,13 +27,13 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-require 'grpc'
+require 'grpc/grpc'
 require 'grpc/generic/active_call'
 require 'grpc/generic/service'
 require 'thread'
 require 'xray/thread_dump_signal_handler'
 
-module GRPC
+module Google::RPC
 
   # RpcServer hosts a number of services and makes them available on the
   # network.

src/ruby/lib/grpc/generic/service.rb

@@ -27,7 +27,6 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-require 'grpc'
 require 'grpc/generic/client_stub'
 require 'grpc/generic/rpc_desc'
 
@@ -51,7 +50,7 @@ class String
 
 end
 
-module GRPC
+module Google::RPC
 
   # Provides behaviour used to implement schema-derived service classes.
   #

src/ruby/spec/generic/active_call_spec.rb

@@ -28,7 +28,6 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 require 'grpc'
-require 'grpc/generic/active_call'
 require_relative '../port_picker'
 
 include GRPC::Core::StatusCodes

src/ruby/spec/generic/client_stub_spec.rb

@@ -28,8 +28,6 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 require 'grpc'
-require 'grpc/generic/active_call'
-require 'grpc/generic/client_stub'
 require 'xray/thread_dump_signal_handler'
 require_relative '../port_picker'
 

src/ruby/spec/generic/rpc_server_pool_spec.rb

@@ -28,7 +28,6 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 require 'grpc'
-require 'grpc/generic/rpc_server'
 require 'xray/thread_dump_signal_handler'
 
 Pool = GRPC::RpcServer::Pool

src/ruby/spec/generic/rpc_server_spec.rb

@@ -28,10 +28,6 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 require 'grpc'
-require 'grpc/generic/active_call'
-require 'grpc/generic/client_stub'
-require 'grpc/generic/rpc_server'
-require 'grpc/generic/service'
 require 'xray/thread_dump_signal_handler'
 require_relative '../port_picker'