using UnityEngine;
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using System.IO;
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namespace StartAot
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{
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public class AssetVersion
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{
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//参考文本 logicbytes/Assembly-CSharp.dll.bytes .bytes 7360512 71157bfdecb53e8a580432621f3725c7
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string m_RelativePath = string.Empty;
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public string relativePath { get { return m_RelativePath; } }
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string m_FileName;
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public string fileName { get { return m_FileName; } }
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string m_Extersion = string.Empty;
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public string extersion { get { return m_Extersion; } }
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string m_Md5 = string.Empty;
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public string md5 { get { return m_Md5; } }
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int m_Size = 0;
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public int size { get { return m_Size; } } //字节
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bool m_LocalValid = false;
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public bool localValid
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{
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get { return m_LocalValid; }
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set { m_LocalValid = value; }
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}
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public AssetVersion(string _versionString)
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{
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var strings = _versionString.Split('\t');
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m_RelativePath = strings[0];
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m_Extersion = strings[1];
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int.TryParse(strings[2], out m_Size);
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m_Md5 = strings[3];
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var paths = m_RelativePath.Split('/');
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var lastPath = paths[paths.Length - 1];
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var index = lastPath.LastIndexOf('.');
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if (index != -1)
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{
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m_FileName = lastPath.Substring(0, index);
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}
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else
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{
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m_FileName = lastPath;
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}
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}
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public bool CheckLocalFileValid()
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{
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string path = string.Concat(ResourcesModel.Instance.ExternalStorePath, m_RelativePath);
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var fileInfo = new FileInfo(path);
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if (!fileInfo.Exists)
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{
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Debug.LogFormat("文件不存在 {0}", path);
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return false;
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}
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if (fileInfo.Length != size)
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{
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Debug.LogFormat("{0}文件大小不对{1}-{2}", path, size, fileInfo.Length);
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return false;
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}
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var fileMD5 = FileExtersion.GetMD5HashFromFile(path);
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if (fileMD5 != md5)
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{
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Debug.LogFormat("{0}文件md5不对{1}-{2}", path, md5, fileMD5);
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return false;
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}
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return true;
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}
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// 检查外部存储文件是否存在
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// 不存在则读取随包文件进行比较
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// 存在则比较
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public bool CheckLocalFileValid(AssetVersion otherAssetInfo)
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{
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string path = string.Concat(ResourcesModel.Instance.ExternalStorePath, m_RelativePath);
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if (!File.Exists(path))
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{
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Debug.LogFormat("转查StreamingAssetPath - 文件不存在 {0}", path);
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if (otherAssetInfo == null || string.IsNullOrEmpty(otherAssetInfo.relativePath))
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return false;
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if (otherAssetInfo.size != size)
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{
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Debug.LogFormat("StreamingAssetPath 文件大小不对{0}-{1}", size, otherAssetInfo.size);
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return false;
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}
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if (otherAssetInfo.md5 != md5)
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{
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Debug.LogFormat("StreamingAssetPath 文件md5不对{0}-{1}", md5, otherAssetInfo.md5);
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return false;
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}
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return true;
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}
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return CheckLocalFileValid();
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}
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}
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}
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