github.com/cloudwego/kitex@v0.9.0/internal/client/lock.go (about)

     1  /*
     2   * Copyright 2021 CloudWeGo Authors
     3   *
     4   * Licensed under the Apache License, Version 2.0 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   *
     8   *  http://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   */
    16  
    17  package client
    18  
    19  import (
    20  	"github.com/cloudwego/kitex/pkg/rpcinfo"
    21  	"github.com/cloudwego/kitex/pkg/rpcinfo/remoteinfo"
    22  )
    23  
    24  // ConfigLocks records changing made by options that are not allowed further modifications.
    25  type ConfigLocks struct {
    26  	Bits int
    27  	Tags map[string]struct{}
    28  }
    29  
    30  // NewConfigLocks creates a ConfigLocks.
    31  func NewConfigLocks() *ConfigLocks {
    32  	return &ConfigLocks{
    33  		Tags: make(map[string]struct{}),
    34  	}
    35  }
    36  
    37  // ApplyLocks applies the locking operations on rpcinfo.RPCConfig and internal.RemoteInfo.
    38  func (cl *ConfigLocks) ApplyLocks(cfg rpcinfo.MutableRPCConfig, svr remoteinfo.RemoteInfo) {
    39  	if cfg != nil {
    40  		cfg.LockConfig(cl.Bits)
    41  	}
    42  	if svr != nil {
    43  		for t := range cl.Tags {
    44  			svr.SetTagLock(t)
    45  		}
    46  	}
    47  }
    48  
    49  // Merge merges another ConfigLocks into the current one.
    50  func (cl *ConfigLocks) Merge(c2 *ConfigLocks) {
    51  	cl.Bits |= c2.Bits
    52  	for t := range c2.Tags {
    53  		cl.Tags[t] = struct{}{}
    54  	}
    55  }
    56  
    57  // Zero ConfigLocks clear
    58  func (cl *ConfigLocks) Zero() {
    59  	cl.Bits = 0
    60  	for k := range cl.Tags {
    61  		delete(cl.Tags, k)
    62  	}
    63  }