public StatusSync(
MySQLConnection conn, RouteResultsetNode rrn, ServerConnection sc, boolean autocommit) {
this.conn = conn;
this.rrn = rrn;
this.charIndex = sc.getCharsetIndex();
this.charCmd = conn.charsetIndex != charIndex ? getCharsetCommand(charIndex) : null;
this.txIsolation = sc.getTxIsolation();
this.isoCmd = conn.txIsolation != txIsolation ? getTxIsolationCommand(txIsolation) : null;
this.autocommit = autocommit;
this.acCmd =
conn.autocommit != autocommit ? (autocommit ? _AUTOCOMMIT_ON : _AUTOCOMMIT_OFF) : null;
}
private static String responseMessage(String action, ServerConnection c, long id) {
return new StringBuilder("RESPONSE:")
.append(action)
.append(", id=")
.append(id)
.append(", host=")
.append(c.getHost())
.append(", port=")
.append(c.getPort())
.append(", time=")
.append(TimeUtil.currentTimeMillis())
.toString();
}
@Override
public void execute(byte[] data) {
long pstmtId = ByteUtil.readUB4(data, 5);
PreparedStatement pstmt = null;
if ((pstmt = pstmtForSql.get(pstmtId)) == null) {
source.writeErrMessage(
ErrorCode.ER_ERROR_WHEN_EXECUTING_COMMAND, "Unknown pstmtId when executing.");
} else {
ExecutePacket packet = new ExecutePacket(pstmt);
try {
packet.read(data, source.getCharset());
} catch (UnsupportedEncodingException e) {
source.writeErrMessage(ErrorCode.ER_ERROR_WHEN_EXECUTING_COMMAND, e.getMessage());
return;
}
// TODO ...
}
}
public static void handle(String stmt, ServerConnection c, int offset) {
switch (ServerParseStart.parse(stmt, offset)) {
case ServerParseStart.TRANSACTION:
if (c.isAutocommit()) {
c.setAutocommit(false);
c.write(c.writeToBuffer(AC_OFF, c.allocate()));
} else {
c.getSession2().commit();
}
break;
default:
c.execute(stmt, ServerParse.START);
}
}