dropscan_fs.c

/*
 * PDU - PostgreSQL Data Unloader
 * Copyright (c) 2024-2025 ZhangChen
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * dropscan_fs.c - File system operations for DROPSCAN feature
 */

#define _GNU_SOURCE
#include "dropscan_fs.h"
#include "tools.h"
#include "basic.h"

/*
 * get_file_physical_offsets - Get physical disk offsets for a file
 *
 * This function retrieves the physical block offsets for a given file,
 * which is essential for the DROPSCAN disk scanning feature.
 *
 * Parameters:
 *   filepath - Full path to the file
 *   filename - Name of the file
 *
 * Returns:
 *   0 on success
 */
int get_file_physical_offsets(const char *filepath, const char *filename) {
    (void)filepath;
    (void)filename;
    return 0;
}

/*
 * traverse_directory_recursive - Recursively traverse directory
 *
 * This function recursively traverses a directory and its subdirectories,
 * processing files to build the DROPSCAN index.
 *
 * Parameters:
 *   dirpath - Path to the directory to traverse
 *
 * Returns:
 *   0 on success
 */
int traverse_directory_recursive(const char *dirpath) {
    (void)dirpath;
    return 0;
}

/*
 * process_directory - Process a directory for DROPSCAN indexing
 *
 * Wrapper function that initiates directory traversal for DROPSCAN.
 *
 * Parameters:
 *   dirpath - Path to the directory to process
 *
 * Returns:
 *   0 on success
 */
int process_directory(const char *dirpath) {
    (void)dirpath;
    return 0;
}