Initial checkin of gRPC to third_party/

third_party/grpc/src/python/grpcio/grpc/framework/base/implementations.py

Index: third_party/grpc/src/python/grpcio/grpc/framework/base/implementations.py
diff --git a/third_party/grpc/src/python/grpcio/grpc/framework/base/implementations.py b/third_party/grpc/src/python/grpcio/grpc/framework/base/implementations.py
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+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+"""Entry points into the ticket-exchange-based base layer implementation."""
+
+# interfaces is referenced from specification in this module.
+from grpc.framework.base import _ends
+from grpc.framework.base import interfaces  # pylint: disable=unused-import
+
+
+def front_link(work_pool, transmission_pool, utility_pool):
+  """Factory function for creating interfaces.FrontLinks.
+
+  Args:
+    work_pool: A thread pool to be used for doing work within the created
+      FrontLink object.
+    transmission_pool: A thread pool to be used within the created FrontLink
+      object for transmitting values to a joined RearLink object.
+    utility_pool: A thread pool to be used within the created FrontLink object
+      for utility tasks.
+
+  Returns:
+    An interfaces.FrontLink.
+  """
+  return _ends.FrontLink(work_pool, transmission_pool, utility_pool)
+
+
+def back_link(
+    servicer, work_pool, transmission_pool, utility_pool, default_timeout,
+    maximum_timeout):
+  """Factory function for creating interfaces.BackLinks.
+
+  Args:
+    servicer: An interfaces.Servicer for servicing operations.
+    work_pool: A thread pool to be used for doing work within the created
+      BackLink object.
+    transmission_pool: A thread pool to be used within the created BackLink
+      object for transmitting values to a joined ForeLink object.
+    utility_pool: A thread pool to be used within the created BackLink object
+      for utility tasks.
+    default_timeout: A length of time in seconds to be used as the default
+      time alloted for a single operation.
+    maximum_timeout: A length of time in seconds to be used as the maximum
+      time alloted for a single operation.
+
+  Returns:
+    An interfaces.BackLink.
+  """
+  return _ends.BackLink(
+      servicer, work_pool, transmission_pool, utility_pool, default_timeout,
+      maximum_timeout)