void Deserialize(byte[] data)
{
using (DataStream ds = new DataStream(data))
{
while (ds.SizeRemaining() > 0)
{
uint magic = ds.ReadUInt32();
ds.Seek(-4, SeekOrigin.Current);
switch (magic)
{
case Steam3Manifest.MAGIC:
Steam3Manifest binaryManifest = new Steam3Manifest(ds);
ParseBinaryManifest(binaryManifest);
break;
// todo: handle protobuf manifest?
default:
throw new NotImplementedException(string.Format("Unrecognized magic value {0:X} in depot manifest.", magic));
}
uint marker = ds.ReadUInt32();
if (marker != magic)
{
throw new InvalidDataException("Unable to find end of message marker for depot manifest");
}
}
}
}
void Deserialize(byte[] data)
{
using (var ms = new MemoryStream(data))
using (var br = new BinaryReader(ms))
{
while ((ms.Length - ms.Position) > 0)
{
uint magic = br.ReadUInt32();
ms.Seek(-4, SeekOrigin.Current);
switch (magic)
{
case Steam3Manifest.MAGIC:
Steam3Manifest binaryManifest = new Steam3Manifest(br);
ParseBinaryManifest(binaryManifest);
break;
// todo: handle protobuf manifest?
default:
throw new NotImplementedException(string.Format("Unrecognized magic value {0:X} in depot manifest.", magic));
}
uint marker = br.ReadUInt32();
if (marker != magic)
{
throw new InvalidDataException("Unable to find end of message marker for depot manifest");
}
}
}
}
void ParseBinaryManifest(Steam3Manifest manifest)
{
Files = new List <FileData>();
FilenamesEncrypted = manifest.AreFileNamesEncrypted;
foreach (var file_mapping in manifest.Mapping)
{
FileData filedata = new FileData(file_mapping.FileName, file_mapping.Flags, file_mapping.TotalSize, file_mapping.HashContent, FilenamesEncrypted);
foreach (var chunk in file_mapping.Chunks)
{
filedata.Chunks.Add(new ChunkData(chunk.ChunkGID, chunk.Checksum, chunk.Offset, chunk.CompressedSize, chunk.DecompressedSize));
}
Files.Add(filedata);
}
}
void ParseBinaryManifest(Steam3Manifest manifest)
{
Files = new List <FileData>(manifest.Mapping.Count);
FilenamesEncrypted = manifest.AreFileNamesEncrypted;
DepotID = manifest.DepotID;
ManifestGID = manifest.ManifestGID;
CreationTime = manifest.CreationTime;
TotalUncompressedSize = manifest.TotalUncompressedSize;
TotalCompressedSize = manifest.TotalCompressedSize;
foreach (var file_mapping in manifest.Mapping)
{
FileData filedata = new FileData(file_mapping.FileName !, file_mapping.Flags, file_mapping.TotalSize, file_mapping.HashContent !, FilenamesEncrypted, file_mapping.Chunks !.Length);
foreach (var chunk in file_mapping.Chunks)
{
filedata.Chunks.Add(new ChunkData(chunk.ChunkGID !, chunk.Checksum !, chunk.Offset, chunk.CompressedSize, chunk.DecompressedSize));
}
Files.Add(filedata);
}
}
void ParseBinaryManifest(Steam3Manifest manifest)
{
Files = new List<FileData>();
FilenamesEncrypted = manifest.AreFileNamesEncrypted;
foreach (var file_mapping in manifest.Mapping)
{
FileData filedata = new FileData(file_mapping.FileName, file_mapping.Flags, file_mapping.TotalSize, file_mapping.HashContent, FilenamesEncrypted);
foreach (var chunk in file_mapping.Chunks)
{
filedata.Chunks.Add( new ChunkData( chunk.ChunkGID, chunk.CRC, chunk.Offset, chunk.CompressedSize, chunk.DecompressedSize ) );
}
Files.Add(filedata);
}
}
void Deserialize(byte[] data)
{
using ( DataStream ds = new DataStream( data ) )
{
while ( ds.SizeRemaining() > 0 )
{
uint magic = ds.ReadUInt32();
ds.Seek( -4, SeekOrigin.Current );
switch ( magic )
{
case Steam3Manifest.MAGIC:
Steam3Manifest binaryManifest = new Steam3Manifest( ds );
ParseBinaryManifest( binaryManifest );
break;
// todo: handle protobuf manifest?
default:
throw new NotImplementedException( string.Format( "Unrecognized magic value {0:X} in depot manifest.", magic ) );
}
uint marker = ds.ReadUInt32();
if ( marker != magic )
throw new InvalidDataException( "Unable to find end of message marker for depot manifest" );
}
}
}
void Deserialize(byte[] data)
{
ContentManifestPayload payload = null;
ContentManifestMetadata metadata = null;
ContentManifestSignature signature = null;
using ( var ms = new MemoryStream( data ) )
using ( var br = new BinaryReader( ms ) )
{
while ( ( ms.Length - ms.Position ) > 0 )
{
uint magic = br.ReadUInt32();
switch ( magic )
{
case Steam3Manifest.MAGIC:
ms.Seek(-4, SeekOrigin.Current);
Steam3Manifest binaryManifest = new Steam3Manifest( br );
ParseBinaryManifest( binaryManifest );
uint marker = br.ReadUInt32();
if ( marker != magic )
throw new InvalidDataException( "Unable to find end of message marker for depot manifest" );
break;
case DepotManifest.PROTOBUF_PAYLOAD_MAGIC:
uint payload_length = br.ReadUInt32();
byte[] payload_bytes = br.ReadBytes( (int)payload_length );
using ( var ms_payload = new MemoryStream( payload_bytes ) )
payload = Serializer.Deserialize<ContentManifestPayload>( ms_payload );
break;
case DepotManifest.PROTOBUF_METADATA_MAGIC:
uint metadata_length = br.ReadUInt32();
byte[] metadata_bytes = br.ReadBytes( (int)metadata_length );
using ( var ms_metadata = new MemoryStream( metadata_bytes ) )
metadata = Serializer.Deserialize<ContentManifestMetadata>( ms_metadata );
break;
case DepotManifest.PROTOBUF_SIGNATURE_MAGIC:
uint signature_length = br.ReadUInt32();
byte[] signature_bytes = br.ReadBytes( (int)signature_length );
using ( var ms_signature = new MemoryStream( signature_bytes ) )
signature = Serializer.Deserialize<ContentManifestSignature>( ms_signature );
break;
case DepotManifest.PROTOBUF_ENDOFMANIFEST_MAGIC:
break;
default:
throw new NotImplementedException( string.Format( "Unrecognized magic value {0:X} in depot manifest.", magic ) );
}
}
}
if (payload != null && metadata != null && signature != null)
{
ParseProtobufManifestMetadata(metadata);
ParseProtobufManifestPayload(payload);
}
else
{
throw new InvalidDataException("Missing ContentManifest sections required for parsing depot manifest");
}
}
void InternalDeserialize(byte[] data)
{
ContentManifestPayload? payload = null;
ContentManifestMetadata? metadata = null;
ContentManifestSignature?signature = null;
using (var ms = new MemoryStream(data))
using (var br = new BinaryReader(ms))
{
while ((ms.Length - ms.Position) > 0)
{
uint magic = br.ReadUInt32();
switch (magic)
{
case Steam3Manifest.MAGIC:
ms.Seek(-4, SeekOrigin.Current);
Steam3Manifest binaryManifest = new Steam3Manifest(br);
ParseBinaryManifest(binaryManifest);
uint marker = br.ReadUInt32();
if (marker != magic)
{
throw new InvalidDataException("Unable to find end of message marker for depot manifest");
}
break;
case DepotManifest.PROTOBUF_PAYLOAD_MAGIC:
uint payload_length = br.ReadUInt32();
byte[] payload_bytes = br.ReadBytes((int)payload_length);
using (var ms_payload = new MemoryStream(payload_bytes))
payload = Serializer.Deserialize <ContentManifestPayload>(ms_payload);
break;
case DepotManifest.PROTOBUF_METADATA_MAGIC:
uint metadata_length = br.ReadUInt32();
byte[] metadata_bytes = br.ReadBytes((int)metadata_length);
using (var ms_metadata = new MemoryStream(metadata_bytes))
metadata = Serializer.Deserialize <ContentManifestMetadata>(ms_metadata);
break;
case DepotManifest.PROTOBUF_SIGNATURE_MAGIC:
uint signature_length = br.ReadUInt32();
byte[] signature_bytes = br.ReadBytes((int)signature_length);
using (var ms_signature = new MemoryStream(signature_bytes))
signature = Serializer.Deserialize <ContentManifestSignature>(ms_signature);
break;
case DepotManifest.PROTOBUF_ENDOFMANIFEST_MAGIC:
break;
default:
throw new InvalidDataException($"Unrecognized magic value {magic:X} in depot manifest.");
}
}
}
if (payload != null && metadata != null && signature != null)
{
ParseProtobufManifestMetadata(metadata);
ParseProtobufManifestPayload(payload);
}
else
{
throw new InvalidDataException("Missing ContentManifest sections required for parsing depot manifest");
}
}
void Deserialize(byte[] data)
{
using ( var ms = new MemoryStream( data ) )
using ( var br = new BinaryReader( ms ) )
{
while ( ( ms.Length - ms.Position ) > 0 )
{
uint magic = br.ReadUInt32();
ms.Seek( -4, SeekOrigin.Current );
switch ( magic )
{
case Steam3Manifest.MAGIC:
Steam3Manifest binaryManifest = new Steam3Manifest( br );
ParseBinaryManifest( binaryManifest );
break;
// todo: handle protobuf manifest?
default:
throw new NotImplementedException( string.Format( "Unrecognized magic value {0:X} in depot manifest.", magic ) );
}
uint marker = br.ReadUInt32();
if ( marker != magic )
throw new InvalidDataException( "Unable to find end of message marker for depot manifest" );
}
}
}
