@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("application/json");
RemoteWorkResponse.Builder workResponse = RemoteWorkResponse.newBuilder();
// TODO(alpha): Choose a better temp directory name.
Path tempRoot = workPath.getRelative("build-" + UUID.randomUUID().toString());
FileSystemUtils.createDirectoryAndParents(tempRoot);
boolean deleteTree = true;
try {
String workJson = CharStreams.toString(request.getReader());
RemoteWorkRequest.Builder workRequest = RemoteWorkRequest.newBuilder();
JsonFormat.parser().merge(workJson, workRequest);
RemoteWorkRequest work = workRequest.build();
final MemcacheActionCache actionCache =
new MemcacheActionCache(tempRoot, remoteOptions, cache);
final MemcacheWorkExecutor workExecutor =
new MemcacheWorkExecutor(actionCache, executorService, tempRoot);
if (options.debug) {
System.out.println(
"[INFO] Work received has "
+ work.getInputFilesCount()
+ " inputs files and "
+ work.getOutputFilesCount()
+ " output files.");
}
RemoteWorkExecutor.Response executorResponse = workExecutor.submit(work).get();
if (options.debug) {
if (!executorResponse.success()) {
deleteTree = false;
System.out.println("[WARNING] Work failed.");
System.out.println(workJson);
} else {
System.out.println("[INFO] Work completed.");
}
}
workResponse
.setSuccess(executorResponse.success())
.setOut(executorResponse.getOut())
.setErr(executorResponse.getErr());
} catch (Exception e) {
workResponse.setSuccess(false).setOut("").setErr("").setException(e.toString());
} finally {
if (deleteTree) {
FileSystemUtils.deleteTree(tempRoot);
} else {
System.out.println("[WARNING] Preserving work directory " + tempRoot.toString() + ".");
}
response.setStatus(HttpServletResponse.SC_OK);
response.getWriter().print(JsonFormat.printer().print(workResponse.build()));
}
}
@Override
public void executeSynchronously(
RemoteWorkRequest request, StreamObserver<RemoteWorkResponse> responseObserver) {
Path tempRoot = workPath.getRelative("build-" + UUID.randomUUID().toString());
try {
FileSystemUtils.createDirectoryAndParents(tempRoot);
final ConcurrentMapActionCache actionCache = new ConcurrentMapActionCache(tempRoot, cache);
final MemcacheWorkExecutor workExecutor =
MemcacheWorkExecutor.createLocalWorkExecutor(actionCache, tempRoot);
if (LOG_FINER) {
LOG.fine(
"Work received has "
+ request.getInputFilesCount()
+ " input files and "
+ request.getOutputFilesCount()
+ " output files.");
}
RemoteWorkResponse response = workExecutor.executeLocally(request);
responseObserver.onNext(response);
if (options.debug) {
if (!response.getSuccess()) {
LOG.warning("Work failed. Request: " + request.toString() + ".");
} else if (LOG_FINER) {
LOG.fine("Work completed.");
}
}
if (!options.debug || response.getSuccess()) {
FileSystemUtils.deleteTree(tempRoot);
} else {
LOG.warning("Preserving work directory " + tempRoot.toString() + ".");
}
} catch (IOException | InterruptedException e) {
RemoteWorkResponse.Builder response = RemoteWorkResponse.newBuilder();
response.setSuccess(false).setOut("").setErr("").setException(e.toString());
responseObserver.onNext(response.build());
if (e instanceof InterruptedException) {
Thread.currentThread().interrupt();
}
} finally {
responseObserver.onCompleted();
}
}
