void ParseProtobufManifestPayload(ContentManifestPayload payload)
{
Files = new List <FileData>(payload.mappings.Count);
foreach (var file_mapping in payload.mappings)
{
FileData filedata = new FileData(file_mapping.filename, (EDepotFileFlag)file_mapping.flags, file_mapping.size, file_mapping.sha_content, FilenamesEncrypted, file_mapping.chunks.Count);
foreach (var chunk in file_mapping.chunks)
{
filedata.Chunks.Add(new ChunkData(chunk.sha, BitConverter.GetBytes(chunk.crc), chunk.offset, chunk.cb_compressed, chunk.cb_original));
}
Files.Add(filedata);
}
}
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");
}
}
