public static Message Receive(Stream reader)
{
int totalRecv = 0;
int sizeToRead = 16;
byte[] hBuffer = new byte[sizeToRead];
while (sizeToRead > 0)
{
byte[] buffer = new byte[sizeToRead];
int recv = reader.Read(buffer, 0, sizeToRead);
if (recv == 0)
return null;
buffer.CopyTo(hBuffer, totalRecv);
totalRecv += recv;
sizeToRead -= recv;
}
Header header = new Header(hBuffer);
totalRecv = 0;
byte[] bBuffer = new byte[header.BODYLEN];
sizeToRead = (int)header.BODYLEN;
while (sizeToRead > 0)
{
byte[] buffer = new byte[sizeToRead];
int recv = reader.Read(buffer, 0, sizeToRead);
if (recv == 0)
return null;
buffer.CopyTo(bBuffer, totalRecv);
totalRecv += recv;
sizeToRead -= recv;
}
ISerializable body = null;
//헤더의 MSGTYPE 프로퍼티를 통해 어떤 Body클래스의 생성자를 호출할지를 결정합니다.
switch (header.MSGTYPE)
{
case CONSTANTS.REQ_FILE_SEND:
body = new BodyRequest(bBuffer);
break;
case CONSTANTS.REP_FILE_SEND:
body = new BodyResponse(bBuffer);
break;
case CONSTANTS.FILE_SEND_DATA:
body = new BodyData(bBuffer);
break;
case CONSTANTS.FILE_SEND_RES:
body = new BodyResult(bBuffer);
break;
default:
throw new Exception(
String.Format(
"Unknown MSGTYPE : {0}" + header.MSGTYPE));
}
return new Message() { Header = header, Body = body };
}
public static Message Receive(Stream reader)
{
int totalRecv = 0;
int sizeToRead = 16;
byte[] hBuffer = new byte[sizeToRead];
while (sizeToRead > 0)
{
byte[] buffer = new byte[sizeToRead];
int recv = reader.Read(buffer, 0, sizeToRead);
if (recv == 0)
{
return(null);
}
buffer.CopyTo(hBuffer, totalRecv);
totalRecv += recv;
sizeToRead -= recv;
}
Header header = new Header(hBuffer);
totalRecv = 0;
byte[] bBuffer = new byte[header.BODYLEN];
sizeToRead = (int)header.BODYLEN;
while (sizeToRead > 0)
{
byte[] buffer = new byte[sizeToRead];
int recv = reader.Read(buffer, 0, sizeToRead);
if (recv == 0)
{
return(null);
}
buffer.CopyTo(bBuffer, totalRecv);
totalRecv += recv;
sizeToRead -= recv;
}
ISerializable body = null;
switch (header.MSGTYPE)
{
case CONSTANTS.REQ_FILE_SEND:
body = new BodyRequest(bBuffer);
break;
case CONSTANTS.REP_FILE_SEND:
body = new BodyResponse(bBuffer);
break;
case CONSTANTS.FILE_SEND_DATA:
body = new BodyData(bBuffer);
break;
case CONSTANTS.FILE_SEND_RES:
body = new BodyResult(bBuffer);
break;
default:
throw new Exception(string.Format("Unknow MSGTYPE: {0}", header.MSGTYPE));
}
return(new Message {
Header = header, Body = body
});
}