private static bool TryLoadCachedMetadata(IEnumerable <string> cacheFilePaths, byte[] checkSum, out List <PluginInfo> pluginInfos)
{
cacheFilePaths = cacheFilePaths.Where(File.Exists).ToList();
if (cacheFilePaths.Any())
{
try
{
var pluginInfoCache = PluginInfoCache.Read(cacheFilePaths.First());
if (pluginInfoCache.CheckSum.SequenceEqual(checkSum))
{
pluginInfos = pluginInfoCache.Plugins;
return(true);
}
}
catch (Exception)
{
// not a big deal, it just means the cache isn't accessible right now
// (maybe another app domain or process is writing to it?)
// and we need to build meta-data from the binaries
Platform.Log(LogLevel.Debug, "Failed to read plugin metadata cache.");
}
}
pluginInfos = null;
return(false);
}
private void SaveCachedMetadata(List <PluginInfo> pluginInfos, byte[] checkSum)
{
try
{
var pluginInfoCache = new PluginInfoCache(pluginInfos, checkSum);
pluginInfoCache.Write(_primaryCacheFile);
}
catch (Exception)
{
// not a big deal, it just means the cache won't be updated this time around
Platform.Log(LogLevel.Debug, "Failed to write plugin metadata cache.");
}
}