зеркало из https://github.com/github/vitess-gh.git
101 строка
3.3 KiB
Python
101 строка
3.3 KiB
Python
#!/usr/bin/env python
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# Copyright 2019 The Vitess Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Base class for protocols flavor.
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Each set of protocols has a flavor object. The current one is dynamically
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imported once.
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"""
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class ProtocolsFlavor(object):
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"""Base class for protocols flavor."""
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def binlog_player_protocol(self):
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"""The binlog player protocol between vttablets, in go."""
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raise NotImplementedError('Not implemented in the base class')
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def vtctl_client_protocol(self):
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"""The protocol to use for vtctl connections.
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This is just for the go client.
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"""
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raise NotImplementedError('Not implemented in the base class')
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def vtctl_python_client_protocol(self):
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"""The protocol to use for vtctl connections.
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This is just for the python client.
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"""
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raise NotImplementedError('Not implemented in the base class')
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def vtworker_client_protocol(self):
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"""The protocol to use for vtworker connections."""
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raise NotImplementedError('Not implemented in the base class')
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def tablet_manager_protocol(self):
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"""The protocol to use for the tablet manager protocol."""
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raise NotImplementedError('Not implemented in the base class')
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def tabletconn_protocol(self):
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"""The protocol to use for connections from vtctl/vtgate to vttablet."""
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raise NotImplementedError('Not implemented in the base class')
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def throttler_client_protocol(self):
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"""Client protocol for the resharding throttler.
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This RPC interface is enabled in vtworker and vttablet.
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"""
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raise NotImplementedError('Not implemented in the base class')
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def vtgate_protocol(self):
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"""The protocol to use to talk to vtgate, in go."""
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raise NotImplementedError('Not implemented in the base class')
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def vtgate_python_protocol(self):
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"""The protocol to use to talk to vtgate with python clients."""
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raise NotImplementedError('Not implemented in the base class')
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def client_error_exception_type(self):
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"""The exception type the RPC client implementation returns for errors."""
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raise NotImplementedError('Not implemented in the base class')
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def rpc_timeout_message(self):
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"""The error message used by the protocol to indicate a timeout."""
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raise NotImplementedError('Not implemented in the base class')
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def service_map(self):
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"""A list of entries to enable all relevant protocols in all servers."""
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raise NotImplementedError('Not implemented in the base class')
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def vttest_protocol(self):
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"""Python protocol to use to talk to a vttest client."""
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raise NotImplementedError('Not implemented in the base class')
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_protocols_flavor = None
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def protocols_flavor():
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"""Returns the current ProtocolsFlavor object."""
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return _protocols_flavor
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def set_protocols_flavor(flavor):
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"""Set the protocols flavor implementation."""
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global _protocols_flavor
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_protocols_flavor = flavor
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