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Pass 1 at adding DNS to controller

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Grant Limberg 2020-07-20 14:34:19 -07:00
parent 8eb453e042
commit 387039456d
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5 changed files with 164 additions and 1 deletions
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node/DNS.hpp Normal file
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/*
* Copyright (c)2020 ZeroTier, Inc.
*
* Use of this software is governed by the Business Source License included
* in the LICENSE.TXT file in the project's root directory.
*
* Change Date: 2023-01-01
*
* On the date above, in accordance with the Business Source License, use
* of this software will be governed by version 2.0 of the Apache License.
*/
/****/
#ifndef ZT_DNS_HPP
#define ZT_DNS_HPP
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "Buffer.hpp"
#include "InetAddress.hpp"
#include "../include/ZeroTierOne.h"
namespace ZeroTier {
/**
* DNS data serealization methods
*/
class DNS {
public:
template<unsigned int C>
static inline void serializeDNS(Buffer<C> &b, const ZT_VirtualNetworkDNS *dns, unsigned int dnsCount)
{
for(unsigned int i = 0; i < dnsCount; ++i) {
b.append(dns[i].domain, 128);
for(unsigned int j = 0; j < ZT_MAX_DNS_SERVERS; ++j) {
InetAddress tmp(dns[i].server_addr[j]);
tmp.serialize(b);
}
}
}
template<unsigned int C>
static inline void deserializeDNS(const Buffer<C> &b, unsigned int &p, ZT_VirtualNetworkDNS *dns, const unsigned int dnsCount)
{
for(unsigned int i = 0; i < dnsCount; ++i) {
char *d = (char*)b.data()+p;
memcpy(dns[i].domain, d, 128);
p += 128;
for (unsigned int j = 0; j < ZT_MAX_DNS_SERVERS; ++j) {
p += reinterpret_cast<InetAddress *>(&(dns[i].server_addr[j]))->deserialize(b, p);
}
}
}
};
}
#endif // ZT_DNS_HPP