mirror of
https://github.com/zerotier/ZeroTierOne.git
synced 2025-02-01 16:58:09 +00:00
105 lines
3.1 KiB
C++
105 lines
3.1 KiB
C++
/*
|
|
* Copyright (c)2019 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: 2026-01-01
|
|
*
|
|
* 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_SELFAWARENESS_HPP
|
|
#define ZT_SELFAWARENESS_HPP
|
|
|
|
#include "Address.hpp"
|
|
#include "Constants.hpp"
|
|
#include "Hashtable.hpp"
|
|
#include "InetAddress.hpp"
|
|
#include "Mutex.hpp"
|
|
|
|
namespace ZeroTier {
|
|
|
|
class RuntimeEnvironment;
|
|
|
|
/**
|
|
* Tracks changes to this peer's real world addresses
|
|
*/
|
|
class SelfAwareness {
|
|
public:
|
|
SelfAwareness(const RuntimeEnvironment* renv);
|
|
|
|
/**
|
|
* Called when a trusted remote peer informs us of our external network address
|
|
*
|
|
* @param reporter ZeroTier address of reporting peer
|
|
* @param receivedOnLocalAddress Local address on which report was received
|
|
* @param reporterPhysicalAddress Physical address that reporting peer seems to have
|
|
* @param myPhysicalAddress Physical address that peer says we have
|
|
* @param trusted True if this peer is trusted as an authority to inform us of external address changes
|
|
* @param now Current time
|
|
*/
|
|
void iam(void* tPtr, const Address& reporter, const int64_t receivedOnLocalSocket, const InetAddress& reporterPhysicalAddress, const InetAddress& myPhysicalAddress, bool trusted, int64_t now);
|
|
|
|
/**
|
|
* Return all known external surface addresses reported by peers
|
|
*
|
|
* @return A vector of InetAddress(es)
|
|
*/
|
|
std::vector<InetAddress> whoami();
|
|
|
|
/**
|
|
* Clean up database periodically
|
|
*
|
|
* @param now Current time
|
|
*/
|
|
void clean(int64_t now);
|
|
|
|
private:
|
|
struct PhySurfaceKey {
|
|
Address reporter;
|
|
int64_t receivedOnLocalSocket;
|
|
InetAddress reporterPhysicalAddress;
|
|
InetAddress::IpScope scope;
|
|
|
|
PhySurfaceKey() : reporter(), scope(InetAddress::IP_SCOPE_NONE)
|
|
{
|
|
}
|
|
PhySurfaceKey(const Address& r, const int64_t rol, const InetAddress& ra, InetAddress::IpScope s) : reporter(r), receivedOnLocalSocket(rol), reporterPhysicalAddress(ra), scope(s)
|
|
{
|
|
}
|
|
|
|
inline unsigned long hashCode() const
|
|
{
|
|
return ((unsigned long)reporter.toInt() + (unsigned long)scope);
|
|
}
|
|
inline bool operator==(const PhySurfaceKey& k) const
|
|
{
|
|
return ((reporter == k.reporter) && (receivedOnLocalSocket == k.receivedOnLocalSocket) && (reporterPhysicalAddress == k.reporterPhysicalAddress) && (scope == k.scope));
|
|
}
|
|
};
|
|
struct PhySurfaceEntry {
|
|
InetAddress mySurface;
|
|
uint64_t ts;
|
|
bool trusted;
|
|
|
|
PhySurfaceEntry() : mySurface(), ts(0), trusted(false)
|
|
{
|
|
}
|
|
PhySurfaceEntry(const InetAddress& a, const uint64_t t) : mySurface(a), ts(t), trusted(false)
|
|
{
|
|
}
|
|
};
|
|
|
|
const RuntimeEnvironment* RR;
|
|
|
|
Hashtable<PhySurfaceKey, PhySurfaceEntry> _phy;
|
|
Mutex _phy_m;
|
|
};
|
|
|
|
} // namespace ZeroTier
|
|
|
|
#endif
|