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This is an old revision of the document!

Download : https://github.com/biostar-dev/g-sdk/
Manual : https://biostar-dev.github.io/g-sdk/

G-SDK Overview

G-SDK is one of integration options for communicating with BioStar 2 devices. It is a lightweight, scalable, and cross-platform solution which will expedite your development.
Based on gRPC, it supports many programming languages such as Java, C#, Python, Node.js, Go, etc.

Multi-language support

  • Language-neutral IDL
  • Native client libraries




[Figure 1. Device Gateway Structure]

Device Gateway that communicates with BioStar 2 device can be run on a server or cloud. Core modules use BioStar 2 protocols and written by GO language.

What is different from BioStar 2 Device SDK?

Existing BioStar 2 Device SDK provides C++ library with C#. G-SDK is released to provide flexible development for those who would like to meet the requirements below.

Let's take a look for an easy comparison between BioStar 2 Device SDK and G-SDK.

[Figure 2. BioStar 2 Device SDK vs G-SDK]


One of the biggest advantages of G-SDK compare to Device SDK is that it supports various languages. For the last years, Device SDK users have had difficulty using development language other than C++ or C# which is in the sample code.
Since BioStar 2 Device SDK can communicate with C++ library, you have to use C++ language or need to marshall all the APIs and structures in the library into other languages. Currently BioStar 2 Device SDK provides only C# marshalling sample.

[Figure 3. BioStar 2 Device SDK structure]

This is a limitation of BioStar 2 Device SDK due to the structure.


How G-SDK can support so many languages?
It is because G-SDK is based on gRPC. gRPC is an open RPC framework that supports many languages developed by Google.
Basically, the device gateway is the one that communicates with BioStar 2 device. Your client applications can connect to it using gRPC client libraries.


[Figure 4. G-SDK structure]

What are the next features

1. Master Gateway
G-SDK can support up to 1000 device connections with a Device gateway.
Currently the Master gateway that will support up to 100,000 device connections is under development.
Master Gateway helps you handle multiple Device gateways and it can be deployed on a cloud server or provide mobile direct accessibility too.

2. More language sample support
G-SDK provides C#, Java,