https://github.com/thoainguyen/grpc-java-course

Learn gRPC : Unary, Server Streaming, Client Streaming, Bidirectional Streaming
https://github.com/thoainguyen/grpc-java-course

grpc-java microservices rpc-framework

Last synced: 10 months ago
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Learn gRPC : Unary, Server Streaming, Client Streaming, Bidirectional Streaming

• Host: GitHub
• URL: https://github.com/thoainguyen/grpc-java-course
• Owner: thoainguyen
• License: mit
• Created: 2019-05-02T13:37:02.000Z (over 6 years ago)
• Default Branch: master
• Last Pushed: 2019-06-15T03:21:50.000Z (over 6 years ago)
• Last Synced: 2025-01-21T04:28:01.719Z (11 months ago)
• Topics: grpc-java, microservices, rpc-framework
• Language: Java
• Homepage: https://learning.oreilly.com/videos/grpc-java-master/9781838558048
• Size: 194 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# grpc-java-course

Learn gRPC by follow [here](https://learning.oreilly.com/videos/grpc-java-master/9781838558048/)

# gRPC feature

* Compare to Rest/JSON base API

  * Cros

    * Use binary data format -> easy serialize and deserialize by machine

    * Smaller -> faster

    * ...

  * Cons

    * Few tools support for testing

* Backward of HTTP/1

  * Create new connection for new request

  * Modal request/response -> server can response only they received a request from client before

  * Data isn't compressed

* gRPC using HTTP/2 as transport layer

  * Mutiflexing : mutiple message in a connection

  * Server push : Server can response stream of message with a request from client before

  * Bidirectional : Server and client can asynchronous communicate each other

  * Header compression: header can be compressed so that that's size is smaller -> faster

  * Secure : Base on SSL/TSL protocol, gRPC is secure by default 

# gRPC basic

* Unary

* Server Streaming

* Client Streaming

* Bidirectional streaming

# gRPC advanced

* Handling Errors, for more infomation read here https://grpc.io/docs/guides/error/

* Deadline call, https://grpc.io/blog/deadlines/

* SSL Security

  * Note : on production : use SSL instead .usePlaintext() to ensure security

  * on developement: use .usePlaintext() for simple and fast

* gRPC Language Interoperability : you can create client and server with isn't same languague

* gRPC Reflection and Evans CLI : useful tools support gRPC client command line is [evans](https://github.com/ktr0731/evans) 

    * Follow https://github.com/grpc/grpc-java/blob/master/documentation/server-reflection-tutorial.md

    * Install evans for gRPC client https://github.com/ktr0731/evans

    * On linux download file evans-package.tar.gz

  

    ```$xslt

    

    $ tar xvzf evans-package.tar.gz // untar

    $ sudo mv evans /usr/local/bin  // for access everywhere from terminal

    $ evans --cli -r -p 50052       // open grpc-cli

    ```