sandbox.h

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// Copyright (C) 2019,2021 Internet Systems Consortium, Inc. ("ISC")
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.

#ifndef SANDBOX_H
#define SANDBOX_H

#include <exceptions/exceptions.h>

#include <iostream>
#include <string>
#include <cstdlib>
#include <cstdio>
#include <unistd.h>
#include <ftw.h>

namespace isc {
namespace test {

class Sandbox {
private:
    std::string path_;

    static int rmFile(const char *fpath, const struct stat *, int , struct FTW *) {
        return(remove(fpath));
    }

public:
    Sandbox() {
        char tmpl[] = {P_tmpdir "/kea-XXXXXX"};
        path_ = mkdtemp(tmpl);
    }

    ~Sandbox() {
        // Delete content of path_ recursively.
        if (nftw(path_.c_str(), Sandbox::rmFile, 10, FTW_DEPTH | FTW_MOUNT | FTW_PHYS) < 0) {
            auto msg = "Some error occurred while deleting unit test sandbox " + path_;
            std::perror(msg.c_str());
            exit(1);
        }
    }

    std::string join(std::string file) {
        return (path_ + "/" + file);
    }
};


}; // end of isc::test namespace
}; // end of isc namespace

#endif // SANDBOX_H