/**
* Constructor, specifying the server host:port combination, login data and an output stream.
*
* @param host server name
* @param port server port
* @param user user name
* @param pass password
* @param output client output; if set to {@code null}, results will be returned as strings.
* @throws IOException I/O exception
*/
public ClientSession(
final String host,
final int port,
final String user,
final String pass,
final OutputStream output)
throws IOException {
super(output);
ehost = host;
socket = new Socket();
try {
// limit timeout to five seconds
socket.connect(new InetSocketAddress(host, port), 5000);
} catch (final IllegalArgumentException ex) {
throw new BaseXException(ex);
}
sin = socket.getInputStream();
// receive timestamp
final BufferInput bi = new BufferInput(sin);
final String ts = bi.readString();
// send user name and hashed password/timestamp
sout = PrintOutput.get(socket.getOutputStream());
send(user);
send(Token.md5(Token.md5(pass) + ts));
sout.flush();
// receive success flag
if (!ok(bi)) throw new LoginException();
}
/**
* Test client with different user.
*
* @throws IOException I/O exception
*/
@Test
public void user() throws IOException {
run("-cexit", "-cdrop user " + NAME);
equals(
"5",
new String[] {"-U" + NAME, "-P" + NAME, "-q5"},
new String[] {"-ccreate user " + NAME + ' ' + Token.md5(NAME)});
run("-cexit", "-cdrop user " + NAME);
}
/**
* Calculates the text offset and writes the text value.
*
* @param value value to be inlined
* @param text text/attribute flag
* @return inline value or text position
* @throws IOException I/O exception
*/
private long textOff(final byte[] value, final boolean text) throws IOException {
// inline integer values...
final long v = Token.toSimpleInt(value);
if (v != Integer.MIN_VALUE) return v | IO.OFFNUM;
// store text
final DataOutput store = text ? xout : vout;
final long off = store.size();
final byte[] val = COMP.get().pack(value);
store.writeToken(val);
return val == value ? off : off | IO.OFFCOMP;
}
/**
* Sends a string to the server.
*
* @param s string to be sent
* @throws IOException I/O exception
*/
protected void send(final String s) throws IOException {
sout.write(Token.token(s));
sout.write(0);
}