How to use Google's protocol-buffer
protocbuf introduction
Protocol-buffer is a Technic of Google( aplhabet corp.) , which is used to interchange data on network. Protocol-buffer has its own syntax and compiler and compact serialized output format. More details about encoding is as following:
Encoding
official intro
Source code
Protocol-buffer
Building
Example
Text
head{ magic:0xaabbccdd len:8 version:1 reserved:0 }
body{ name:"harrywu" age:22 }
Protoc-Buffer
package com.example.register
message Head{
required uint32 magic = 5;
required uint32 len = 6;
required uint32 version = 7;
required uint32 reserved= 8;
}
message Body{
required uint32 age = 3;
required string name = 4;
}
message RegisterRequest
{
required Head head = 1;
required Body body = 2;
}
encode
protoc --encode=com.example.regisger.RegisterRequest ./regreq.proto < regreq.txt >regreq.bin
decode
protoc --decode=com.example.register.RegisterRequest ./regreq.proto <regreq.bin >regreq.txt