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-rw-r--r--node/BlobArray.hpp94
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diff --git a/node/BlobArray.hpp b/node/BlobArray.hpp
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-/*
- * 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
-