57 lines
1.4 KiB
C++
57 lines
1.4 KiB
C++
/*
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----
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This file is part of SECONDO.
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Realizing a simple distributed filesystem for master thesis of stephan scheide
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Copyright (C) 2015,
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Faculty of Mathematics and Computer Science,
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Database Systems for New Applications.
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SECONDO is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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SECONDO is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with SECONDO; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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----
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//[$][\$]
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*/
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#include "maschine.h"
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#include "str.h"
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#include "checksum.h"
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#include <stdio.h>
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using namespace dfs;
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Str dfs::Maschine::volatileId(const Str &appendix) {
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dfs::checksum::crc64 c;
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Str input;
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FILE *p = popen("ip link | grep link", "r");
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if (p) {
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char buffer[1024];
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int read = fread(buffer, 1, 1024, p);
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if (read > 0) input = input.append(Str(buffer, read));
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fclose(p);
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}
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CStr cs(input);
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UI64 ii = c.checksum((UI8 *) cs.cstr(), input.len());
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return Str::toHex((const char *) &ii, 8).append(appendix);
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}
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