33 lines
943 B
Markdown
33 lines
943 B
Markdown
void OnReceive(byte[] data, int length)
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{
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// 把收到的数据追加到缓存末尾
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Array.Copy(data, 0, cacheBuffer, cacheCount, length);
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cacheCount += length;
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// 循环处理缓存中的完整消息
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while (true)
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{
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// 不足4字节，说明长度头还没收全
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if (cacheCount < 4)
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break;
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// 取出前4字节的消息长度
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int msgLength = BitConverter.ToInt32(cacheBuffer, 0);
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// 检查是否收全整个消息
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if (cacheCount - 4 < msgLength)
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break;
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// 提取消息体
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byte[] msgBody = new byte[msgLength];
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Array.Copy(cacheBuffer, 4, msgBody, 0, msgLength);
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// ---- 处理消息 ----
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ProcessMessage(msgBody);
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// 将剩余数据前移
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int remain = cacheCount - 4 - msgLength;
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Array.Copy(cacheBuffer, 4 + msgLength, cacheBuffer, 0, remain);
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cacheCount = remain;
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}
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} |