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Unity使用異步grpc

# Unity使用異步grpc

(金慶的專欄 2020.6)

Unity 保證 async 方法運(yùn)行在主線程中，所以用異步方式調(diào)用 grpc 可以大大簡(jiǎn)化網(wǎng)絡(luò)通信的代碼。

以下示例中將 grpc 的 RouteGuide 示例移到 Unity 中運(yùn)行。
https://github.com/grpc/grpc/tree/master/examples/csharp/RouteGuide

其中 Main() 中的代碼移到 Start() 中運(yùn)行，阻塞調(diào)用改成異步調(diào)用, GetFeature() 改成 GetFeatureAsync()。

完整代碼見(jiàn)：https://gitee.com/jinq0123/unity-grpc-async

```
using Grpc.Core;
using Routeguide;
using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using static Routeguide.Program;

public class Test : MonoBehaviour
{
    // Start is called before the first frame update
    async void Start()
    {
        var channel = new Channel("127.0.0.1:50052", ChannelCredentials.Insecure);
        var client = new RouteGuideClient(new RouteGuide.RouteGuideClient(channel));

        // Looking for a valid feature
        await client.GetFeatureAsync(409146138, -746188906);

        // Feature missing.
        await client.GetFeatureAsync(0, 0);

        // Looking for features between 40, -75 and 42, -73.
        await client.ListFeatures(400000000, -750000000, 420000000, -730000000);

        // Record a few randomly selected points from the features file.
        await client.RecordRoute(RouteGuideUtil.LoadFeatures(), 10);

        // Send and receive some notes.
        await client.RouteChat();

        await channel.ShutdownAsync();

        Debug.Log("End of test.");
    }
}
```

posted on 2020-06-22 15:19 金慶閱讀(689) 評(píng)論(0) 編輯收藏引用所屬分類: 9. 其它、2. 網(wǎng)游開(kāi)發(fā)

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