public static IEnumerable <ManifestImmutable> ReadAllManifests(string baseFileName)
{
string manifestFile = Config.ManifestFile(baseFileName);
if (!File.Exists(manifestFile))
{
throw new FileNotFoundException("Could not find the manifest file.", manifestFile);
}
FileStream fs = new FileStream(manifestFile, FileMode.Open, FileAccess.Read, FileShare.None, 1024, false);
BinaryReader reader = new BinaryReader(fs);
try {
do
{
var m = new ManifestImmutable(null);
m.ReadManifestContents(reader);
yield return(m);
reader.ReadInt32(); // Consume the size encoded at the end of each manifest
} while (true);
} finally {
reader.Close();
}
}
private void Read()
{
string manifestFile = Config.ManifestFile(_baseFileName);
if (!File.Exists(manifestFile))
{
AddLastManifest(new ManifestImmutable(this));
return;
}
FileStream fs = new FileStream(manifestFile, FileMode.Open, FileAccess.Read, FileShare.None, 1024, false);
BinaryReader reader = new BinaryReader(fs);
try {
var m = new ManifestImmutable(this);
// Get the size of the last manifest block
reader.BaseStream.Seek(-4, SeekOrigin.End);
int size = reader.ReadInt32();
// Now seek to that position and read it
reader.BaseStream.Seek(-size - 4, SeekOrigin.End);
m.ReadManifestContents(reader);
AddLastManifest(m);
} catch (Exception ex) {
LogMessage("Error reading manifest file: {0} - {1}", _baseFileName, ex.Message);
} finally {
reader.Close();
}
}
