private void checkLogSize() throws SQLException {
for (String name : FileUtils.listFiles(getTestDir(""))) {
if (name.startsWith("logfile") && name.endsWith(".log.db")) {
long length = FileUtils.length(name);
assertSmaller(length, MAX_LOG_SIZE * 1024 * 1024 * 2);
}
}
}
private boolean openWriter() {
if (printWriter == null) {
try {
FileUtils.createDirs(fileName);
if (FileUtils.exists(fileName) && FileUtils.isReadOnly(fileName)) {
// read only database: don't log error if the trace file
// can't be opened
return false;
}
fileWriter = IOUtils.getWriter(FileUtils.openFileOutputStream(fileName, true));
printWriter = new PrintWriter(fileWriter, true);
} catch (Exception e) {
logWritingError(e);
return false;
}
}
return true;
}
private synchronized void closeWriter() {
if (printWriter != null) {
printWriter.flush();
printWriter.close();
printWriter = null;
}
if (fileWriter != null) {
try {
fileWriter.close();
} catch (IOException e) {
// ignore
}
fileWriter = null;
}
if (fileName != null && FileUtils.length(fileName) == 0) {
FileUtils.tryDelete(fileName);
}
}
private synchronized void writeFile(String s, Throwable t) {
try {
if (checkSize++ >= CHECK_SIZE_EACH_WRITES) {
checkSize = 0;
closeWriter();
if (maxFileSize > 0 && FileUtils.length(fileName) > maxFileSize) {
String old = fileName + ".old";
if (FileUtils.exists(old)) {
FileUtils.delete(old);
}
FileUtils.rename(fileName, old);
}
}
if (!openWriter()) {
return;
}
printWriter.println(s);
if (t != null) {
if (levelFile == ERROR && t instanceof JdbcSQLException) {
JdbcSQLException se = (JdbcSQLException) t;
int code = se.getErrorCode();
if (ErrorCode.isCommon(code)) {
printWriter.println(t.toString());
} else {
t.printStackTrace(printWriter);
}
} else {
t.printStackTrace(printWriter);
}
}
printWriter.flush();
if (closed) {
closeWriter();
}
} catch (Exception e) {
logWritingError(e);
}
}
private void testFile(DataOutputStream out) throws IOException {
File file = new File("test.txt");
if (file.exists()) {
file.delete();
}
RandomAccessFile write = new RandomAccessFile(file, "rws");
// RandomAccessFile write = new RandomAccessFile(file, "rwd");
int fileSize = 10 * 1024 * 1024;
FileUtils.setLength(write, fileSize);
write.seek(0);
int i = 0;
FileDescriptor fd = write.getFD();
while (true) {
if (write.getFilePointer() >= fileSize) {
break;
}
write.writeBytes(i + "\r\n");
fd.sync();
out.writeInt(i);
out.flush();
i++;
}
write.close();
}