github.com/zhyoulun/cilium@v1.6.12/proxylib/memcached/meta/meta.go (about)

     1  // Copyright 2018 Authors of Cilium
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  // text memcache protocol parser based on https://github.com/memcached/memcached/blob/master/doc/protocol.txt
    16  
    17  package meta
    18  
    19  // MemcacheMeta gathers information about memcache frame for L7 rules matching
    20  type MemcacheMeta struct {
    21  	// for text protocol
    22  	Command string
    23  	// for binary protocol
    24  	Opcode byte
    25  	Keys   [][]byte
    26  }
    27  
    28  // IsBinary tells whether meta instance is for text or binary protocol
    29  func (m *MemcacheMeta) IsBinary() bool {
    30  	return len(m.Command) == 0
    31  }