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Adam Ierymenko 2025-07-03 11:26:23 -04:00
parent d45f280cb7
commit ba2a4a605c
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140 changed files with 19214 additions and 17403 deletions
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95
node/SelfAwareness.cpp
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@ -11,66 +11,64 @@
*/
/****/
#include "SelfAwareness.hpp"
#include "Constants.hpp"
#include "Node.hpp"
#include "Packet.hpp"
#include "Peer.hpp"
#include "RuntimeEnvironment.hpp"
#include "Switch.hpp"
#include "Topology.hpp"
#include "Trace.hpp"
#include <set>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <set>
#include <vector>
#include "Constants.hpp"
#include "SelfAwareness.hpp"
#include "RuntimeEnvironment.hpp"
#include "Node.hpp"
#include "Topology.hpp"
#include "Packet.hpp"
#include "Peer.hpp"
#include "Switch.hpp"
#include "Trace.hpp"
// Entry timeout -- make it fairly long since this is just to prevent stale buildup
#define ZT_SELFAWARENESS_ENTRY_TIMEOUT 600000
namespace ZeroTier {
class _ResetWithinScope
{
public:
_ResetWithinScope(void *tPtr,int64_t now,int inetAddressFamily,InetAddress::IpScope scope) :
_now(now),
_tPtr(tPtr),
_family(inetAddressFamily),
_scope(scope) {}
class _ResetWithinScope {
public:
_ResetWithinScope(void* tPtr, int64_t now, int inetAddressFamily, InetAddress::IpScope scope) : _now(now), _tPtr(tPtr), _family(inetAddressFamily), _scope(scope)
{
}
inline void operator()(Topology &t,const SharedPtr<Peer> &p) { p->resetWithinScope(_tPtr,_scope,_family,_now); }
inline void operator()(Topology& t, const SharedPtr<Peer>& p)
{
p->resetWithinScope(_tPtr, _scope, _family, _now);
}
private:
private:
uint64_t _now;
void *_tPtr;
void* _tPtr;
int _family;
InetAddress::IpScope _scope;
};
SelfAwareness::SelfAwareness(const RuntimeEnvironment *renv) :
RR(renv),
_phy(128)
SelfAwareness::SelfAwareness(const RuntimeEnvironment* renv) : RR(renv), _phy(128)
{
}
void SelfAwareness::iam(void *tPtr,const Address &reporter,const int64_t receivedOnLocalSocket,const InetAddress &reporterPhysicalAddress,const InetAddress &myPhysicalAddress,bool trusted,int64_t now)
void SelfAwareness::iam(void* tPtr, const Address& reporter, const int64_t receivedOnLocalSocket, const InetAddress& reporterPhysicalAddress, const InetAddress& myPhysicalAddress, bool trusted, int64_t now)
{
const InetAddress::IpScope scope = myPhysicalAddress.ipScope();
if ((scope != reporterPhysicalAddress.ipScope())||(scope == InetAddress::IP_SCOPE_NONE)||(scope == InetAddress::IP_SCOPE_LOOPBACK)||(scope == InetAddress::IP_SCOPE_MULTICAST)) {
if ((scope != reporterPhysicalAddress.ipScope()) || (scope == InetAddress::IP_SCOPE_NONE) || (scope == InetAddress::IP_SCOPE_LOOPBACK) || (scope == InetAddress::IP_SCOPE_MULTICAST)) {
return;
}
Mutex::Lock _l(_phy_m);
PhySurfaceEntry &entry = _phy[PhySurfaceKey(reporter,receivedOnLocalSocket,reporterPhysicalAddress,scope)];
PhySurfaceEntry& entry = _phy[PhySurfaceKey(reporter, receivedOnLocalSocket, reporterPhysicalAddress, scope)];
if ( (trusted) && ((now - entry.ts) < ZT_SELFAWARENESS_ENTRY_TIMEOUT) && (!entry.mySurface.ipsEqual(myPhysicalAddress)) ) {
if ((trusted) && ((now - entry.ts) < ZT_SELFAWARENESS_ENTRY_TIMEOUT) && (! entry.mySurface.ipsEqual(myPhysicalAddress))) {
// Changes to external surface reported by trusted peers causes path reset in this scope
RR->t->resettingPathsInScope(tPtr,reporter,reporterPhysicalAddress,myPhysicalAddress,scope);
RR->t->resettingPathsInScope(tPtr, reporter, reporterPhysicalAddress, myPhysicalAddress, scope);
entry.mySurface = myPhysicalAddress;
entry.ts = now;
@ -80,20 +78,21 @@ void SelfAwareness::iam(void *tPtr,const Address &reporter,const int64_t receive
// due to multiple reports of endpoint change.
// Don't use 'entry' after this since hash table gets modified.
{
Hashtable< PhySurfaceKey,PhySurfaceEntry >::Iterator i(_phy);
PhySurfaceKey *k = (PhySurfaceKey *)0;
PhySurfaceEntry *e = (PhySurfaceEntry *)0;
while (i.next(k,e)) {
if ((k->reporterPhysicalAddress != reporterPhysicalAddress)&&(k->scope == scope)) {
Hashtable<PhySurfaceKey, PhySurfaceEntry>::Iterator i(_phy);
PhySurfaceKey* k = (PhySurfaceKey*)0;
PhySurfaceEntry* e = (PhySurfaceEntry*)0;
while (i.next(k, e)) {
if ((k->reporterPhysicalAddress != reporterPhysicalAddress) && (k->scope == scope)) {
_phy.erase(*k);
}
}
}
// Reset all paths within this scope and address family
_ResetWithinScope rset(tPtr,now,myPhysicalAddress.ss_family,(InetAddress::IpScope)scope);
RR->topology->eachPeer<_ResetWithinScope &>(rset);
} else {
_ResetWithinScope rset(tPtr, now, myPhysicalAddress.ss_family, (InetAddress::IpScope)scope);
RR->topology->eachPeer<_ResetWithinScope&>(rset);
}
else {
// Otherwise just update DB to use to determine external surface info
entry.mySurface = myPhysicalAddress;
entry.ts = now;
@ -105,10 +104,10 @@ std::vector<InetAddress> SelfAwareness::whoami()
{
std::vector<InetAddress> surfaceAddresses;
Mutex::Lock _l(_phy_m);
Hashtable< PhySurfaceKey,PhySurfaceEntry >::Iterator i(_phy);
PhySurfaceKey *k = (PhySurfaceKey *)0;
PhySurfaceEntry *e = (PhySurfaceEntry *)0;
while (i.next(k,e)) {
Hashtable<PhySurfaceKey, PhySurfaceEntry>::Iterator i(_phy);
PhySurfaceKey* k = (PhySurfaceKey*)0;
PhySurfaceEntry* e = (PhySurfaceEntry*)0;
while (i.next(k, e)) {
if (std::find(surfaceAddresses.begin(), surfaceAddresses.end(), e->mySurface) == surfaceAddresses.end()) {
surfaceAddresses.push_back(e->mySurface);
}
@ -119,14 +118,14 @@ std::vector<InetAddress> SelfAwareness::whoami()
void SelfAwareness::clean(int64_t now)
{
Mutex::Lock _l(_phy_m);
Hashtable< PhySurfaceKey,PhySurfaceEntry >::Iterator i(_phy);
PhySurfaceKey *k = (PhySurfaceKey *)0;
PhySurfaceEntry *e = (PhySurfaceEntry *)0;
while (i.next(k,e)) {
Hashtable<PhySurfaceKey, PhySurfaceEntry>::Iterator i(_phy);
PhySurfaceKey* k = (PhySurfaceKey*)0;
PhySurfaceEntry* e = (PhySurfaceEntry*)0;
while (i.next(k, e)) {
if ((now - e->ts) >= ZT_SELFAWARENESS_ENTRY_TIMEOUT) {
_phy.erase(*k);
}
}
}
} // namespace ZeroTier
} // namespace ZeroTier