# Copyright 2025 StreamNative, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import grpc
from oxia.internal.proto.io.streamnative.oxia.proto import OxiaClientStub

class ConnectionPool:

    def __init__(self):
        self.connections = {}

    def get(self, address) -> OxiaClientStub:
        x = self.connections.get(address)
        if x is None:
            channel = grpc.insecure_channel(address)
            stub = OxiaClientStub(channel)
            x = (channel, stub)
            self.connections[address] = x

        return x[1]


    def close(self):
        for c in self.connections.values():
            c[0].close()
