C # using Protobuf

How to use C # PROTOBUF

Introduction
Protobuf is an open-source serialization framework provided by Google, similar to the data representation language of Xml,json.
Supports multiple programming languages, now: Java, C #, C + +, Go and Python.
Binary-based, so much more efficient and short than traditional XML representations
As a good efficiency and compatibility of the binary data transmission format, can be used for such as network transport, configuration files, data storage and many other areas.
Use

1.: HTTP://CODE.GOOGLE.COM/P/PROTOBUF/DOWNLOADS/2, Proto file format

The package corresponds to a namespace in C #
Required properties of the corresponding class
Optional create a property with a default value, set the default value by [Default=xxx], and do not add the default to be empty. If string defaults to "", int defaults to 0
Enum Creation Enumeration
Message creating a custom class or inner class
Repeated corresponding list list data
Proto Data type:

Example:

package    Test;message person {required string name=1; Required int32 id=2; optional  String Email=3; enum Phonetype {mobile=0; Home=1; Work=2;} message PhoneNumber {required string Number=1; Optional phonetype type=2 [ Default=home]; } repeated PhoneNumber Phone=4;}          

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Proto File editing commands:
Protogen-i:input.proto-o:output.cs
Protogen-i:input.proto-o:output.xml-t:xml
Protogen-i:input.proto-o:output.cs-p:datacontract-q
Protogen-i:input.proto-o:output.cs-p:observable=true

Files after conversion:

//------------------------------------------------------------------------------<auto-generated>This code is generated by a tool.//Changes to this file may cause incorrect behavior and would be lost ifThe code is regenerated.</auto-generated>//------------------------------------------------------------------------------Generated from:input/test.protonamespace input.test{[Global::system.serializable, Global:: Protobuf.protocontract (name=@ "Person")]PublicPartialClass Person:global::P rotobuf.iextensible {PublicPerson () {}Privatestring _name; [Global::P Rotobuf.protomember (1, isrequired =True, Name=@ "Name", DataFormat = global::P rotoBuf.DataFormat.Default)]PublicString Name {get {return _name; }set {_name =Value } }Privateint _id; [Global::P Rotobuf.protomember (2, isrequired =True, Name=@ "id", DataFormat = global::P rotoBuf.DataFormat.TwosComplement)]Publicint ID {get {return _id; }set {_id =Value } }PrivateString _email =""; [Global::P Rotobuf.protomember (3, isrequired =False, Name=@ "Email", DataFormat = global::P rotoBuf.DataFormat.Default)] [Global::system.componentmodel.defaultvalue ("")]PublicString Email {get {return _email; }set {_email =Value } }PrivateReadOnly global::system.collections.generic.list<person.phonenumber> _phone =New Global::system.collections.generic.list<person.phonenumber> (); [Global::P Rotobuf.protomember (4, Name=@ "Phone", DataFormat = global::P rotoBuf.DataFormat.Default)]Public global::system.collections.generic.list<person.phonenumber> Phone {get {return _phone; }} [Global::system.serializable, Global::P rotobuf.protocontract (name=@ "PhoneNumber")]PublicPartialClass Phonenumber:global::P rotobuf.iextensible {PublicPhoneNumber () {}PrivateString _number; [Global::P Rotobuf.protomember (1, isrequired =True, Name=@ "Number", DataFormat = global::P rotoBuf.DataFormat.Default)]PublicString Number {get {return _number; }set {_number =Value } }Private Person.phonetype _type = Person.PhoneType.HOME; [Global::P Rotobuf.protomember (2, isrequired =False, Name=@ "Type", DataFormat = global::P rotoBuf.DataFormat.TwosComplement)] [Global::system.componentmodel.defaultvalue ( Person.PhoneType.HOME)]Public Person.phonetype Type {get {return _type; }set {_type =Value } }Private global::P rotobuf.iextension extensionobject; Global::P rotobuf.iextension Global::P rotoBuf.IExtensible.GetExtensionObject (BOOL createifmissing) {Return Global::P rotoBuf.Extensible.GetExtensionObject (Ref extensionobject, createifmissing); }} [Global::P rotobuf.protocontract (name=@ "Phonetype")]public enum Phonetype {[Global::P rotobuf.protoenum (name=@ "mobile", value=0)] MOBILE = 0, [Global:: Protobuf.protoenum (name=@ "Home", value=1)] HOME = 1, [Global::P rotobuf.protoenum (name=@ "work", Value =2)] work = 2} Private global::P rotobuf.iextension extensionobject; Global::P rotobuf.iextension Global:: ProtoBuf.IExtensible.GetExtensionObject (bool createifmissing) { return global:: ProtoBuf.Extensible.GetExtensionObject (ref extensionobject, createifmissing);     }} 

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3. Serialization and deserialization of the. cs file after proto conversion

First, copy the generated. cs file into your own project file
Then add the dynamic link library file Protobuf-net.dll (the file is located in the Protobuf-net_r668\protogen directory of the downloaded proto file)
Then refer to the program as follows:

Using System;Using System.Collections.Generic;Using System.Linq;Using System.Text;Using System.Threading.Tasks;Using Protobuf;Using Input.test;Using System.IO;Using System.Runtime.Serialization.Formatters.Binary;Namespacetest1{Classprogram {Staticvoid Main (String[] (args) {person p =new person (); p.name =  "Zhang San"; p.email = " [email protected] "; P.id = 12; //serialization operation MemoryStream Ms=new MemoryStream (); //binaryformatter BM = new BinaryFormatter (); //BM. Serialize (MS, p); Serializer.serialize<person> (MS, p); byte[] data = Ms. ToArray (); //length=27 709 //deserialization operation MemoryStream ms1 = new MemoryStream (data); //binaryformatter bm1 = new BinaryFormatter (); //person p1= BM. Deserialize (MS1) as person; person P1 = serializer.deserialize<person> (MS1); Console.readkey (); } }}

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C # using Protobuf