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Ignore invalid replay files instead of crashing.

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This commit is contained in:
Paul Chote
2016-11-06 16:04:24 +00:00
parent 7ba0c22346
commit ab344b390d
1 changed files with 13 additions and 31 deletions
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26
OpenRA.Game/FileFormats/ReplayMetadata.cs
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@@ -78,12 +78,10 @@ namespace OpenRA.FileFormats
}
public static ReplayMetadata Read(string path)
{
try
{
using (var fs = new FileStream(path, FileMode.Open))
return Read(fs, path);
}
static ReplayMetadata Read(FileStream fs, string path)
{
if (!fs.CanSeek)
return null;
@@ -91,33 +89,17 @@ namespace OpenRA.FileFormats
if (fs.Length < 20)
return null;
try
{
fs.Seek(-(4 + 4), SeekOrigin.End);
var dataLength = fs.ReadInt32();
if (fs.ReadInt32() == MetaEndMarker)
{
// go back by (end marker + length storage + data + version + start marker) bytes
// Go back by (end marker + length storage + data + version + start marker) bytes
fs.Seek(-(4 + 4 + dataLength + 4 + 4), SeekOrigin.Current);
try
{
return new ReplayMetadata(fs, path);
}
catch (YamlException ex)
{
Log.Write("debug", ex.ToString());
}
catch (InvalidOperationException ex)
{
Log.Write("debug", ex.ToString());
}
catch (NotSupportedException ex)
{
Log.Write("debug", ex.ToString());
}
}
}
catch (IOException ex)
catch (Exception ex)
{
Log.Write("debug", ex.ToString());
}