/* 9P Protocol JAVA
 * P9P/rcpSrv/rpc9Pwrite.java
 * Autor: Jaime Garzon (2006) jgarzon@gmail.com
 *
 * Esta clase implementa las operaciones de la RPC
 * "write", que son requeridas por el mensaje tmsg9P
 * Retornando un mensaje de tipo rmsg9P.
*/

package P9P.rpcSrv;

import java.io.*;

import P9P.msg.*;
import PFS.*;

public class rpc9Pwrite extends rpc9P {

   Twrite9P tmsg;

   public rpc9Pwrite (Twrite9P m) {
      tmsg = m;
   }

   public rmsg9P process(fidtable fidt) {
      Rwrite9P rmsg= new Rwrite9P();
      pfid qid=fidt.get(tmsg.fid.value);
      int i;

      if (qid!=null) {
         try {
            i=qid.write(tmsg.offset.value, tmsg.data.value);
         }
         catch ( Exception e ) {
            return returnError("[Twrite]",tmsg.tag,e);
         }

         rmsg.type.value = cto9P.Rwrite;
         rmsg.tag.value = tmsg.tag.value;
         rmsg.count.value=i;

         return rmsg;
      }
      return returnError("[Twrite] Error FID NO Found.",tmsg.tag,null);
   }
}