Call forgotten method after execution of sandbox. Tune exceptions in …

…filesystem hleper. Check for existance of evaluation sandbox directory.

src/helpers/filesystem.cpp

@@ -5,11 +5,14 @@ void helpers::copy_directory(const fs::path &src, const fs::path &dest)
 {
 	try {
 		if (!fs::exists(src)) {
-			throw filesystem_exception("Source directory does not exist");
+			throw filesystem_exception(
+				"helpers::copy_directory: Source directory does not exist '" + src.string() + "'");
 		} else if (!fs::is_directory(src)) {
-			throw filesystem_exception("Source directory is not a directory");
+			throw filesystem_exception(
+				"helpers::copy_directory: Source directory is not a directory '" + src.string() + "'");
 		} else if (!fs::exists(dest) && !fs::create_directories(dest)) {
-			throw filesystem_exception("Destination directory cannot be created");
+			throw filesystem_exception(
+				"helpers::copy_directory: Destination directory cannot be created '" + dest.string() + "'");
 		}
 
 		fs::directory_iterator endit;
@@ -21,7 +24,7 @@ void helpers::copy_directory(const fs::path &src, const fs::path &dest)
 			}
 		}
 	} catch (fs::filesystem_error &e) {
-		throw filesystem_exception("Error in copying directories: " + std::string(e.what()));
+		throw filesystem_exception("helpers::copy_directory: Error in copying directories: " + std::string(e.what()));
 	}
 
 	return;

src/tasks/external_task.cpp

@@ -84,6 +84,11 @@ std::shared_ptr<task_results> external_task::run()
 	// initialize output from stdout and stderr
 	results_output_init();
 
+	// check if evaluation directory exists
+	if (!fs::exists(evaluation_dir_)) {
+		throw task_exception("Evaluation directory '" + evaluation_dir_.string() + "' of sandbox does not exists");
+	}
+
 	// check if binary is executable and set it otherwise
 	make_binary_executable(task_meta_->binary);
 
@@ -145,6 +150,7 @@ void external_task::get_results_output(std::shared_ptr<task_results> result)
 	fs::path stdout_file_path = find_path_outside_sandbox(sandbox_config_->std_output);
 	fs::path stderr_file_path = find_path_outside_sandbox(sandbox_config_->std_error);
 	process_results_output(result, stdout_file_path, stderr_file_path);
+	process_carboncopy_output(stdout_file_path, stderr_file_path);
 
 	// delete produced files if requested
 	try {