public FDFSHeader(Stream stream)
{
int count = Consts.FDFS_PROTO_PKG_LEN_SIZE + 2;
byte[] headerBuffer = new byte[count];
var offset = 0;
while (count > 0)
{
var readCount = stream.Read(headerBuffer, offset, count);
if (readCount <= 0)
{
throw new FDFSException("Get Response Header Error,readCount <= 0");
}
offset += readCount;
count -= readCount;
}
//int bytesRead = stream.Read(headerBuffer, 0, headerBuffer.Length);
//if (bytesRead == 0)
// throw new FDFSException("Init Header Exeption : Cann't Read Stream");
_length = FDFSUtil.BufferToLong(headerBuffer, 0);
_command = headerBuffer[Consts.FDFS_PROTO_PKG_LEN_SIZE];
_status = headerBuffer[Consts.FDFS_PROTO_PKG_LEN_SIZE + 1];
}
public Response(byte[] responseByte)
{
byte[] groupNameBuffer = new byte[Consts.FDFS_GROUP_NAME_MAX_LEN];
Array.Copy(responseByte, groupNameBuffer, Consts.FDFS_GROUP_NAME_MAX_LEN);
GroupName = FDFSUtil.ByteToString(groupNameBuffer).TrimEnd('\0');
byte[] ipAddressBuffer = new byte[Consts.IP_ADDRESS_SIZE - 1];
Array.Copy(responseByte, Consts.FDFS_GROUP_NAME_MAX_LEN, ipAddressBuffer, 0, Consts.IP_ADDRESS_SIZE - 1);
IPStr = new string(FDFSConfig.Charset.GetChars(ipAddressBuffer)).TrimEnd('\0');
byte[] portBuffer = new byte[Consts.FDFS_PROTO_PKG_LEN_SIZE];
Array.Copy(responseByte, Consts.FDFS_GROUP_NAME_MAX_LEN + Consts.IP_ADDRESS_SIZE - 1,
portBuffer, 0, Consts.FDFS_PROTO_PKG_LEN_SIZE);
Port = (int)FDFSUtil.BufferToLong(portBuffer, 0);
}
public FDFSFileInfo(byte[] responseByte)
{
byte[] fileSizeBuffer = new byte[Consts.FDFS_PROTO_PKG_LEN_SIZE];
byte[] createTimeBuffer = new byte[Consts.FDFS_PROTO_PKG_LEN_SIZE];
byte[] crcBuffer = new byte[Consts.FDFS_PROTO_PKG_LEN_SIZE];
Array.Copy(responseByte, 0, fileSizeBuffer, 0, fileSizeBuffer.Length);
Array.Copy(responseByte, Consts.FDFS_PROTO_PKG_LEN_SIZE, createTimeBuffer, 0, createTimeBuffer.Length);
Array.Copy(responseByte, Consts.FDFS_PROTO_PKG_LEN_SIZE + Consts.FDFS_PROTO_PKG_LEN_SIZE, crcBuffer, 0, crcBuffer.Length);
FileSize = FDFSUtil.BufferToLong(responseByte, 0);
CreateTime = new System.DateTime(1970, 1, 1).AddSeconds(FDFSUtil.BufferToLong(responseByte, Consts.FDFS_PROTO_PKG_LEN_SIZE));
Crc32 = FDFSUtil.BufferToLong(responseByte, Consts.FDFS_PROTO_PKG_LEN_SIZE + Consts.FDFS_PROTO_PKG_LEN_SIZE);
}