Question 1

How to handle authentication in MagicOnion?

Accepted Answer

MagicOnion supports standard gRPC authentication mechanisms. You can use interceptors or integrate with ASP.NET Core authentication middleware, such as JWT tokens, to secure your services and hubs.

Question 2

MagicOnion vs SignalR: which is better for real-time .NET apps?

Accepted Answer

MagicOnion is built on gRPC for high-performance binary communication and unifies RPC with real-time, while SignalR is more mature for WebSocket-based real-time with fallbacks. Choose MagicOnion for gRPC integration and code-first simplicity, or SignalR for broader browser compatibility.

Question 3

How to set up MagicOnion with Unity for a multiplayer game?

Accepted Answer

Add the MagicOnion.Unity package to your Unity project, share service interfaces via assemblies or source files, and use the MagicOnionClient to connect to the server. The README provides guidance on client setup for Unity platforms.

Question 4

Can MagicOnion work with non-.NET clients like JavaScript or Python?

Accepted Answer

Not directly, as it uses C# interfaces. However, you can expose standard gRPC endpoints with .proto files for interoperability, but this requires additional configuration and loses the code-first benefits.

Question 5

What are the performance implications of using MagicOnion over plain gRPC?

Accepted Answer

MagicOnion adds a thin abstraction layer over gRPC, so performance is nearly identical. The overhead is minimal, primarily in serialization/deserialization, but the convenience of code-first interfaces often outweighs this for .NET teams.

Question 6

How to debug MagicOnion services in Visual Studio?

Accepted Answer

Use standard .NET debugging tools. MagicOnion services run as part of ASP.NET Core, so you can set breakpoints in service implementations and use logging or gRPC debugging features to trace calls.

MagicOnion

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