Method RemoveDir

Plugins/FileTransfer/ChannelSFTP.cpp:216–276

}

int CChannelSFTP::RemoveDir(const QString& dir)
{
    if (!m_SessionSftp)
        return SSH_FX_NO_CONNECTION;

    // 1. 打开目录
    sftp_dir sftpDir = sftp_opendir(m_SessionSftp, dir.toStdString().c_str());
    if (!sftpDir) {
        qCritical(log) << "Failed to open directory for remove:" << dir;
        // 如果打不开目录，尝试直接删除（可能是空目录或者文件）
        int ret = sftp_rmdir(m_SessionSftp, dir.toStdString().c_str());
        if (ret == SSH_OK) {
            qDebug(log) << "Removed directory (directly):" << dir;
            return SSH_OK;
        } else {
            QString szErr = "Can't remove directory:" + dir + ssh_get_error(m_Session);
            qCritical(log) << szErr;
            emit sigError(ret, szErr);
            return ret;
        }
    }

    // 2. 遍历目录内容
    sftp_attributes attr;
    while ((attr = sftp_readdir(m_SessionSftp, sftpDir)) != NULL) {
        QString name = QString::fromUtf8(attr->name);
        if (name == "." || name == "..") {
            sftp_attributes_free(attr);
            continue;
        }
        QString fullPath = dir + "/" + name;
        if (attr->type == SSH_FILEXFER_TYPE_DIRECTORY) {
            // 递归删除子目录
            RemoveDir(fullPath);
        } else {
            // 删除文件
            int ret = sftp_unlink(m_SessionSftp, fullPath.toStdString().c_str());
            if (ret != SSH_OK) {
                QString szErr = "Can't remove file:" + fullPath + ssh_get_error(m_Session);
                qCritical(log) << szErr;
                emit sigError(ret, szErr);
            } else {
                qDebug(log) << "Removed file:" << fullPath;
            }
        }
        sftp_attributes_free(attr);
    }

    sftp_closedir(sftpDir);
    
    // 3. 删除空目录
    int ret = sftp_rmdir(m_SessionSftp, dir.toStdString().c_str());
    if (ret != SSH_OK) {
        QString szErr = "Can't remove directory:" + dir + ssh_get_error(m_Session);
        qCritical(log) << szErr;
        emit sigError(ret, szErr);
    } else {
        qDebug(log) << "Removed directory:" << dir;