protected void SaveAllBinaries(Context context, string source, string fileName, byte[][] binaries)
{
XmlSerializer xml = new XmlSerializer(typeof(BinaryMetaInfo));
TestAndCreateDirectory(BinaryPath);
using (BinaryMetaInfo bmi = BinaryMetaInfo.FromPath(BinaryPath, FileAccess.ReadWrite, FileShare.None))
{
for (int i = 0; i < context.Devices.Length; i++)
{
Device device = context.Devices[i];
string binaryFileName;
MetaFile mf = bmi.FindMetaFile(source, fileName, context.Platform.Name, device.Name, device.DriverVersion, Defines, BuildOptions);
if (mf == null)
{
mf = bmi.CreateMetaFile(source, fileName, context.Platform.Name, device.Name, device.DriverVersion, Defines, BuildOptions);
}
binaryFileName = BinaryPath + FileSystem.GetDirectorySeparator() + mf.BinaryName;
FileSystem.WriteAllBytes(binaryFileName, binaries[i]);
}
bmi.TrimBinaryCache(FileSystem, MaxCachedBinaries);
bmi.Save();
}
}
protected byte[][] LoadAllBinaries(Context context, string source, string fileName)
{
string sourcePath = SourcePath + FileSystem.GetDirectorySeparator() + fileName;
DateTime sourceDateTime = FileSystem.GetLastWriteTime(sourcePath);
byte[][] binaries = new byte[context.Devices.Length][];
if (!Directory.Exists(BinaryPath))
{
throw new DirectoryNotFoundException(BinaryPath);
}
using (BinaryMetaInfo bmi = BinaryMetaInfo.FromPath(BinaryPath, FileAccess.Read, FileShare.Read))
{
Device[] devices;
devices = context.Devices;
for (int i = 0; i < devices.Length; i++)
{
if (binaries[i] != null)
{
continue;
}
Device device = devices[i];
string binaryFilePath;
MetaFile mf = bmi.FindMetaFile("", fileName, Context.Platform.Name, device.Name, device.DriverVersion, Defines, BuildOptions);
if (mf == null)
{
throw new FileNotFoundException("No compiled binary file present in MetaFile");
}
binaryFilePath = BinaryPath + FileSystem.GetDirectorySeparator() + mf.BinaryName;
if (AttemptUseSource)
{
// This exception will be caught inside the manager and cause recompilation
if (FileSystem.GetLastWriteTime(binaryFilePath) < sourceDateTime)
{
throw new Exception("Binary older than source");
}
}
binaries[i] = FileSystem.ReadAllBytes(binaryFilePath);
// Check of there are other identical devices that can use the binary we just loaded
// If there are, patch it in in the proper slots in the list of binaries
for (int j = i + 1; j < devices.Length; j++)
{
if (devices[i].Name == devices[j].Name &&
devices[i].Vendor == devices[j].Vendor &&
devices[i].Version == devices[j].Version &&
devices[i].AddressBits == devices[j].AddressBits &&
devices[i].DriverVersion == devices[j].DriverVersion &&
devices[i].EndianLittle == devices[j].EndianLittle)
{
binaries[j] = binaries[i];
}
}
}
}
return(binaries);
}
public static BinaryMetaInfo FromPath(string path, FileAccess fileAccess, FileShare fileShare)
{
Random rnd = new Random();
BinaryMetaInfo bmi;
XmlSerializer xml = new XmlSerializer(typeof(BinaryMetaInfo));
string metaFileName = path + Path.DirectorySeparatorChar + "metainfo.xml";
if (File.Exists(metaFileName))
{
DateTime obtainLockStart = DateTime.Now;
FileStream fs = null;
while (true)
{
DateTime obtainLockNow = DateTime.Now;
TimeSpan dt = obtainLockNow - obtainLockStart;
if (dt.TotalSeconds > 30)
{
break;
}
try
{
fs = File.Open(metaFileName, FileMode.Open, fileAccess, fileShare);
break;
}
catch (Exception)
{
Thread.CurrentThread.Join(50 + rnd.Next(50));
}
}
XmlReader xmlReader = XmlReader.Create(fs);
try
{
bmi = (BinaryMetaInfo)xml.Deserialize(xmlReader);
bmi.FileStream = fs;
bmi.Root = path;
xmlReader.Close();
}
catch (Exception)
{
xmlReader.Close();
bmi = new BinaryMetaInfo();
bmi.Root = path;
bmi.FileStream = fs;
}
}
else
{
FileStream fs = null;
try
{
fs = File.Open(metaFileName, FileMode.CreateNew, FileAccess.ReadWrite, FileShare.None);
}
catch (Exception)
{
if (File.Exists(metaFileName))
{
// Another process created the file just before us. Just call ourselves recursively,
// which should land us in the other branch of the if-statement now that the metaFile exists
return(FromPath(path, fileAccess, fileShare));
}
}
bmi = new BinaryMetaInfo();
bmi.Root = path;
bmi.FileStream = fs;
}
return(bmi);
}
public static BinaryMetaInfo FromPath(string path,FileAccess fileAccess,FileShare fileShare)
{
Random rnd = new Random();
BinaryMetaInfo bmi;
XmlSerializer xml = new XmlSerializer(typeof(BinaryMetaInfo));
string metaFileName = path + Path.DirectorySeparatorChar + "metainfo.xml";
if (File.Exists(metaFileName))
{
DateTime obtainLockStart = DateTime.Now;
FileStream fs = null;
while(true)
{
DateTime obtainLockNow = DateTime.Now;
TimeSpan dt = obtainLockNow-obtainLockStart;
if(dt.TotalSeconds>30 )
break;
try
{
fs = File.Open(metaFileName, FileMode.Open, fileAccess, fileShare);
break;
}
catch (Exception)
{
Thread.CurrentThread.Join(50 + rnd.Next(50));
}
}
XmlReader xmlReader = XmlReader.Create(fs);
try
{
bmi = (BinaryMetaInfo)xml.Deserialize(xmlReader);
bmi.FileStream = fs;
bmi.Root = path;
xmlReader.Close();
}
catch (Exception)
{
xmlReader.Close();
bmi = new BinaryMetaInfo();
bmi.Root = path;
bmi.FileStream = fs;
}
}
else
{
FileStream fs = null;
try
{
fs = File.Open(metaFileName, FileMode.CreateNew, FileAccess.ReadWrite, FileShare.None);
}
catch (Exception)
{
if (File.Exists(metaFileName))
{
// Another process created the file just before us. Just call ourselves recursively,
// which should land us in the other branch of the if-statement now that the metaFile exists
return FromPath(path, fileAccess, fileShare);
}
}
bmi = new BinaryMetaInfo();
bmi.Root = path;
bmi.FileStream = fs;
}
return bmi;
}
