2018-12-03 22:22:59 +00:00
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#include <llarp/dns/serialize.hpp>
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#include <llarp/net_int.hpp>
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namespace llarp
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{
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namespace dns
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{
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bool
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EncodeRData(llarp_buffer_t* buf, const std::vector< byte_t >& v)
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{
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if(v.size() > 65536)
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return false;
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2018-12-04 16:16:43 +00:00
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uint16_t len = v.size();
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if(!llarp_buffer_put_uint16(buf, len))
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return false;
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if(llarp_buffer_size_left(*buf) < len)
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return false;
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memcpy(buf->cur, v.data(), len);
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buf->cur += len;
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return true;
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2018-12-03 22:22:59 +00:00
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}
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bool
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DecodeRData(llarp_buffer_t* buf, std::vector< byte_t >& v)
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{
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2018-12-04 16:16:43 +00:00
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uint16_t len;
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if(!llarp_buffer_read_uint16(buf, &len))
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2018-12-03 22:22:59 +00:00
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return false;
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size_t left = llarp_buffer_size_left(*buf);
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2018-12-04 16:16:43 +00:00
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if(left < len)
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2018-12-03 22:22:59 +00:00
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return false;
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2018-12-04 16:16:43 +00:00
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v.resize(size_t(len));
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if(len)
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{
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memcpy(v.data(), buf->cur, len);
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buf->cur += len;
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}
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2018-12-03 22:22:59 +00:00
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return true;
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}
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} // namespace dns
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} // namespace llarp
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