option optimize_for = SPEED;
option cc_generic_services = false;

enum EContentDeltaChunkDataLocation {
	k_EContentDeltaChunkDataLocationInProtobuf = 0;
	k_EContentDeltaChunkDataLocationAfterProtobuf = 1;
}

message ContentManifestPayload {
	message FileMapping {
		message ChunkData {
			optional bytes sha = 1;
			optional fixed32 crc = 2;
			optional uint64 offset = 3;
			optional uint32 cb_original = 4;
			optional uint32 cb_compressed = 5;
		}

		optional string filename = 1;
		optional uint64 size = 2;
		optional uint32 flags = 3;
		optional bytes sha_filename = 4;
		optional bytes sha_content = 5;
		repeated .ContentManifestPayload.FileMapping.ChunkData chunks = 6;
		optional string linktarget = 7;
	}

	repeated .ContentManifestPayload.FileMapping mappings = 1;
}

message ContentManifestMetadata {
	optional uint32 depot_id = 1;
	optional uint64 gid_manifest = 2;
	optional uint32 creation_time = 3;
	optional bool filenames_encrypted = 4;
	optional uint64 cb_disk_original = 5;
	optional uint64 cb_disk_compressed = 6;
	optional uint32 unique_chunks = 7;
	optional uint32 crc_encrypted = 8;
	optional uint32 crc_clear = 9;
}

message ContentManifestSignature {
	optional bytes signature = 1;
}

message ContentDeltaChunks {
	message DeltaChunk {
		optional bytes sha_source = 1;
		optional bytes sha_target = 2;
		optional uint32 size_original = 3;
		optional uint32 patch_method = 4;
		optional bytes chunk = 5;
		optional uint32 size_delta = 6;
	}

	optional uint32 depot_id = 1;
	optional uint64 manifest_id_source = 2;
	optional uint64 manifest_id_target = 3;
	repeated .ContentDeltaChunks.DeltaChunk deltaChunks = 4;
	optional .EContentDeltaChunkDataLocation chunk_data_location = 5 [default = k_EContentDeltaChunkDataLocationInProtobuf];
}