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Diffstat (limited to 'node/BlobArray.hpp')
-rw-r--r-- | node/BlobArray.hpp | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/node/BlobArray.hpp b/node/BlobArray.hpp deleted file mode 100644 index d78bcffa..00000000 --- a/node/BlobArray.hpp +++ /dev/null @@ -1,94 +0,0 @@ -/* - * ZeroTier One - Global Peer to Peer Ethernet - * Copyright (C) 2012-2013 ZeroTier Networks LLC - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - * - * -- - * - * ZeroTier may be used and distributed under the terms of the GPLv3, which - * are available at: http://www.gnu.org/licenses/gpl-3.0.html - * - * If you would like to embed ZeroTier into a commercial application or - * redistribute it in a modified binary form, please contact ZeroTier Networks - * LLC. Start here: http://www.zerotier.com/ - */ - -#ifndef _ZT_BLOBARRAY_HPP -#define _ZT_BLOBARRAY_HPP - -#include <vector> -#include <string> -#include <algorithm> - -namespace ZeroTier { - -/** - * A vector of binary strings serializable in a packed format - * - * The format uses variable-length integers to indicate the length of each - * field. Each byte of the length has another byte with seven more significant - * bits if its 8th bit is set. Fields can be up to 2^28 in length. - */ -class BlobArray : public std::vector<std::string> -{ -public: - inline std::string serialize() const - { - std::string r; - for(BlobArray::const_iterator i=begin();i!=end();++i) { - unsigned int flen = (unsigned int)i->length(); - do { - unsigned char flenb = (unsigned char)(flen & 0x7f); - flen >>= 7; - flenb |= (flen) ? 0x80 : 0; - r.push_back((char)flenb); - } while (flen); - r.append(*i); - } - return r; - } - - /** - * Deserialize, replacing the current contents of this array - * - * @param data Serialized binary data - * @param len Length of serialized data - */ - inline void deserialize(const void *data,unsigned int len) - { - clear(); - for(unsigned int i=0;i<len;) { - unsigned int flen = 0; - unsigned int chunk = 0; - while (i < len) { - flen |= ((unsigned int)(((const unsigned char *)data)[i] & 0x7f)) << (7 * chunk++); - if (!(((const unsigned char *)data)[i++] & 0x80)) - break; - } - flen = std::min(flen,len - i); - push_back(std::string(((const char *)data) + i,flen)); - i += flen; - } - } - inline void deserialize(const std::string &data) - { - deserialize(data.data(),(unsigned int)data.length()); - } -}; - -} // namespace ZeroTier - -#endif - |