private void buildPerceptions() {
playersToRemove.clear();
/** We reset the cache at Perceptions */
MessageS2CPerception.clearPrecomputedPerception();
for (PlayerEntry entry : playerContainer) {
try {
// Before creating the perception we check the player is still there.
if (entry.isTimeout()) {
logger.info("Request (TIMEOUT) disconnection of Player " + entry.getAddress());
playersToRemove.add(entry);
continue;
}
if (entry.state == ClientState.GAME_BEGIN) {
Perception perception = getPlayerPerception(entry);
sendPlayerPerception(entry, perception, entry.object);
}
} catch (Exception e) {
logger.error(
"Removing player("
+ entry.clientid
+ ") because it caused a Exception while contacting it",
e);
playersToRemove.add(entry);
}
}
for (PlayerEntry entry : playersToRemove) {
logger.warn("RP Disconnecting entry: " + entry);
netMan.disconnectClient(entry.channel);
}
}
/**
* This method creates the real connection to database.
*
* @param connInfo connection information like url, username and password
* @return a connection to the database
* @throws DatabaseConnectionException if the connection cannot be established.
*/
protected Connection createConnection(Properties connInfo) throws DatabaseConnectionException {
try {
// instantiate the Driver class
try {
if (connInfo.get("jdbc_class") != null) {
Class.forName((String) connInfo.get("jdbc_class")).newInstance();
}
} catch (Exception e) {
throw new DatabaseConnectionException(
"Cannot load driver class " + connInfo.get("jdbc_class"), e);
}
Properties connectionInfo = new Properties();
if (connInfo.get("jdbc_user") != null) {
connectionInfo.put("user", connInfo.get("jdbc_user"));
}
if (connInfo.get("jdbc_pwd") != null) {
connectionInfo.put("password", connInfo.get("jdbc_pwd"));
}
connectionInfo.put("charSet", "UTF-8");
Connection conn =
DriverManager.getConnection((String) connInfo.get("jdbc_url"), connectionInfo);
// enable transaction support
conn.setAutoCommit(false);
conn.setTransactionIsolation(Connection.TRANSACTION_READ_COMMITTED);
DatabaseMetaData meta = conn.getMetaData();
logger.info(
"Connected to "
+ connInfo.get("jdbc_url")
+ ": "
+ meta.getDatabaseProductName()
+ " "
+ meta.getDatabaseProductVersion()
+ " with driver "
+ meta.getDriverName()
+ " "
+ meta.getDriverVersion());
return conn;
} catch (SQLException e) {
throw new DatabaseConnectionException(
"Unable to create a connection to: " + connInfo.get("jdbc_url"), e);
}
}
