public static ReceivedPackage PackPackage(string fileBlockKey,ParsePackageView view,Stream stream, byte cmd, long bodyLen)
{
ReceivedHeader header = PackHeader(fileBlockKey,view, stream, cmd, bodyLen);
if (header.ErrorCode != 0)
{
return new ReceivedPackage(header.ErrorCode, null);
}
byte[] body = new byte[(int)header.BodyLength];
int totalBytes = 0;
int remainBytes = (int)header.BodyLength;
int bytes;
while (totalBytes < header.BodyLength)
{
if ((bytes = stream.Read(body, totalBytes, remainBytes)) <= 0)
{
break;
}
totalBytes += bytes;
remainBytes -= bytes;
}
if (totalBytes != header.BodyLength)
{
throw new IOException("receive package size " + totalBytes + " != " + header.BodyLength);
}
return new ReceivedPackage((byte)0, body);
}
public static ReceivedHeader PackHeader(string blockKey,ParsePackageView view,Stream stream, byte cmd, long bodyLen)
{
byte[] header = new byte[TRACKER_PROTO_PKG_LEN_SIZE + 2];
int bytes;
long pkg_len;
if ((bytes = stream.Read(header, 0, header.Length)) != header.Length)
{
throw new IOException("receive package size " + bytes + " != " + header.Length);
}
if (header[PROTO_HEADER_CMD_INDEX] != cmd)
{
throw new IOException("receive cmd: " + header[PROTO_HEADER_CMD_INDEX] + " is not correct, expect cmd: " + cmd);
}
if (header[PROTO_HEADER_STATUS_INDEX] != 0)
{
return new ReceivedHeader(header[PROTO_HEADER_STATUS_INDEX], 0);
}
pkg_len = ConvertBuffToLong(header, 0);
//if(ConfigManager.Instance.DumpObjEnable)
//_tracing.InfoFmt("cmd：{0}；bodyLen：{1};pkg_len:{2};blockKey:{3};view:{4};datat:{5}", cmd, bodyLen, pkg_len, blockKey, view,ObjectHelper.DumpObject(header));
if (pkg_len < 0)
{
throw new IOException("receive body length: " + pkg_len + " < 0!");
}
if (bodyLen >= 0 && pkg_len != bodyLen)
{
throw new IOException("receive body length: " + pkg_len + " is not correct, expect length: " + bodyLen);
}
return new ReceivedHeader((byte)0, pkg_len);
}
