private void ensureDirectoryIsRecreated(final Context ctx) {
final File aeronDir = new File(ctx.dirName());
Consumer<String> logProgress = (message) -> {};
if (aeronDir.exists()) {
if (ctx.warnIfDirectoriesExist()) {
System.err.println("WARNING: " + aeronDir + " already exists.");
logProgress = System.err::println;
}
if (ctx.dirsDeleteOnStart()) {
ctx.deleteAeronDirectory();
} else {
final boolean driverActive = ctx.isDriverActive(ctx.driverTimeoutMs(), logProgress);
if (driverActive) {
throw new ActiveDriverException("active driver detected");
}
ctx.deleteAeronDirectory();
}
}
final BiConsumer<String, String> callback =
(path, name) -> {
if (ctx.warnIfDirectoriesExist()) {
System.err.println("WARNING: " + name + " directory already exists: " + path);
}
};
IoUtil.ensureDirectoryIsRecreated(aeronDir, "aeron", callback);
}
/**
* Used to access the configured dirName for this MediaDriver Context typically used after the
* {@link #launchEmbedded()} method is used.
*
* @return the context dirName
*/
public String contextDirName() {
return ctx.dirName();
}
/**
* Launch an isolated MediaDriver embedded in the current process with a provided configuration
* context and a generated dirName (overwrites configured dirName) that can be retrieved by
* calling contextDirName.
*
* @param ctx containing the configuration options.
* @return the newly started MediaDriver.
*/
public static MediaDriver launchEmbedded(final Context ctx) {
ctx.dirName(CommonContext.generateRandomDirName());
return launch(ctx);
}