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97 lines
2.8 KiB
97 lines
2.8 KiB
/* |
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Copyright (c) 2003-2012, Arvid Norberg |
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All rights reserved. |
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Redistribution and use in source and binary forms, with or without |
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modification, are permitted provided that the following conditions |
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are met: |
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* Redistributions of source code must retain the above copyright |
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notice, this list of conditions and the following disclaimer. |
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* Redistributions in binary form must reproduce the above copyright |
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notice, this list of conditions and the following disclaimer in |
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the documentation and/or other materials provided with the distribution. |
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* Neither the name of the author nor the names of its |
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contributors may be used to endorse or promote products derived |
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from this software without specific prior written permission. |
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#ifndef TORRENT_FINGERPRINT_HPP_INCLUDED |
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#define TORRENT_FINGERPRINT_HPP_INCLUDED |
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#include <string> |
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#include <cstdio> |
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#include "libtorrent/config.hpp" |
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#include "libtorrent/peer_id.hpp" |
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#include "libtorrent/assert.hpp" |
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namespace libtorrent |
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{ |
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struct fingerprint |
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{ |
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fingerprint(const char* id_string, int major, int minor, int revision, int tag) |
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: major_version(major) |
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, minor_version(minor) |
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, revision_version(revision) |
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, tag_version(tag) |
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{ |
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TORRENT_ASSERT(id_string); |
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TORRENT_ASSERT(major >= 0); |
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TORRENT_ASSERT(minor >= 0); |
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TORRENT_ASSERT(revision >= 0); |
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TORRENT_ASSERT(tag >= 0); |
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TORRENT_ASSERT(std::strlen(id_string) == 2); |
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name[0] = id_string[0]; |
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name[1] = id_string[1]; |
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} |
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std::string to_string() const |
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{ |
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char s[100]; |
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snprintf(s, 100, "-%c%c%c%c%c%c-" |
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, name[0], name[1] |
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, version_to_char(major_version) |
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, version_to_char(minor_version) |
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, version_to_char(revision_version) |
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, version_to_char(tag_version)); |
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return s; |
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} |
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char name[2]; |
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int major_version; |
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int minor_version; |
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int revision_version; |
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int tag_version; |
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private: |
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char version_to_char(int v) const |
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{ |
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if (v >= 0 && v < 10) return '0' + v; |
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else if (v >= 10) return 'A' + (v - 10); |
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TORRENT_ASSERT(false); |
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return '0'; |
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} |
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}; |
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} |
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#endif // TORRENT_FINGERPRINT_HPP_INCLUDED |
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