Network Clients - Java - page 524

/** Debugging flag */
protected

protected static static boolean boolean debug = false false ;

/** TFTP op-code for a read request */
public public final int OP_RRQ = 1 ;

/** TFTP op-code for a read request */
public

final int

public final int OP_WRQ = 2 ;

/** TFTP op-code for a read request */
public

final int

public final int OP_DATA = 3 ;

/** TFTP op-code for a read request */
public

final int

public final int OP_ACK = 4 ;

/** TFTP op-code for a read request */
public

final int

public final final int int OP_ERROR = 5 ;

protected protected final final static static int int PACKET_SIZE = 516 ; // == 2 + 2 + 512

protected protected String host ;

protected protected InetAddress servAddr ;

protected

protected DatagramSocket sock ;
protected protected byte byte buffer [];

protected protected DatagramPacket inp , outp ;

/** The main program that drives this network client.
* @param argv[0] hostname, running TFTP server
* @param argv[1..n] filename(s), must be at least one
*/
public public static static void void main ( String [] argv ) throws throws IOException {

iif ( argv . length < 2 ) {
System . err . println ( "usage: rcat host filename[...]" );
System . exit ( 1 );

}
iif ( debug )
System . err . println ( "Java RemCat starting" );
RemCat rc = new new RemCat ( argv [ 0 ]);

for for ( int int i = 1 ; i < argv . length ; i ++) {

iif ( debug )
System . err . println ( "-- Starting file " +
argv [ 0 ] + ":" + argv [ i ] + "---" );
rc . readFile ( argv [ i ]);

}

}

RemCat ( String host ) throws throws IOException {

super super ();

this this . host = host ;

servAddr = InetAddress . getByName ( host );
sock = new new DatagramSocket ();