RUBY-252 RUBY-237 re-add Connection#host and Connection#port

lib/mongo/connection.rb

@@ -157,6 +157,20 @@ module Mongo
       end
     end
 
+    # The host name used for this connection.
+    #
+    # @return [String]
+    def host
+      @primary_pool.host
+    end
+
+    # The port used for this connection.
+    #
+    # @return [Integer]
+    def port
+      @primary_pool.port
+    end
+
     # Fsync, then lock the mongod process against writes. Use this to get
     # the datafiles in a state safe for snapshotting, backing up, etc.
     #

lib/mongo/repl_set_connection.rb

@@ -135,6 +135,20 @@ module Mongo
       @nodes_to_try.length > 0
     end
 
+    # The replica set primary's host name.
+    #
+    # @return [String]
+    def host
+      super
+    end
+
+    # The replica set primary's port.
+    #
+    # @return [Integer]
+    def port
+      super
+    end
+
     # Determine whether we're reading from a primary node. If false,
     # this connection connects to a secondary node and @read_secondaries is true.
     #

test/connection_test.rb

@@ -22,6 +22,11 @@ class TestConnection < Test::Unit::TestCase
     end
   end
 
+  def test_host_port_accessors
+    assert_equal @conn.host, TEST_HOST
+    assert_equal @conn.port, TEST_PORT
+  end
+
   def test_server_info
     server_info = @conn.server_info
     assert server_info.keys.include?("version")

test/replica_sets/connect_test.rb

@@ -39,6 +39,14 @@ class ConnectTest < Test::Unit::TestCase
     assert_equal RS.arbiters.sort, @conn.arbiters.sort
   end
 
+  def test_host_port_accessors
+    @conn = ReplSetConnection.new([RS.host, RS.ports[0]], [RS.host, RS.ports[1]],
+      [RS.host, RS.ports[2]], :name => RS.name)
+
+    assert_equal @conn.host, RS.primary[0]
+    assert_equal @conn.port, RS.primary[1]
+  end
+
   def test_connect_with_primary_node_killed
     node = RS.kill_primary