Reading from a server

Question

I'm supposed to read the following C struct from a server
struct query_type{
int flag;
int query_a;
int query_b;
char next pass[30];
typedef struct query_type t_query;
I tried
Socket s = new Socket( serverName, serverPort );
DataInputStream dis = new DataInputStream( s.getInputStream() );
String message = dis.readUTF(); //wait for server to send
s.close() // close the socket
as the basic idea for my first connection but i didn't receive anything i think.
what i want to do is try and receive the whole transmission and then separate it.
here's the class i've created to match the struct:
public class queryType
protected int flag;
protected int query_a, query_b;
protected String nextPass;
public queryType()
flag = 0;
query_a = 0;
query_b = 0;
public int getFlag()
return flag;
public int getQueryA()
return query_a;
public int getQueryB()
return query_b;
public String getNextPass()
return nextPass;
someone said i should use a byte array, but i'm not exactly sure what he meant.
I think that i know how many bytes C uses to store int values and char values, but i'm not sure how this would help me.
Really I need help figuring out what reader to use so that i can manipulate the data received.
any ideas???

Answer 1

you may try reading this way... That was probably what they meant when talking about byte array...
Socket sock = new Socket(ip_addr, port);
BufferedInputStream in = new BufferedInputStream(sock.getInputStream());
bbufin = new byte[BUF_LEN];
int err = 0;
err = in.read(bbufin, 0, BUF_LEN);