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Clang-format!!!

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This commit is contained in:
Adam Ierymenko 2024-09-26 08:52:29 -04:00
parent f190df8621
commit 96ba1079b2
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122 changed files with 41245 additions and 39820 deletions
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282
node/Peer.hpp
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@ -14,27 +14,26 @@
#ifndef ZT_PEER_HPP
#define ZT_PEER_HPP
#include <vector>
#include <list>
#include "../include/ZeroTierOne.h"
#include "Constants.hpp"
#include "RuntimeEnvironment.hpp"
#include "Node.hpp"
#include "Path.hpp"
#include "AES.hpp"
#include "Address.hpp"
#include "Utils.hpp"
#include "AtomicCounter.hpp"
#include "Bond.hpp"
#include "Constants.hpp"
#include "Hashtable.hpp"
#include "Identity.hpp"
#include "InetAddress.hpp"
#include "Packet.hpp"
#include "SharedPtr.hpp"
#include "AtomicCounter.hpp"
#include "Hashtable.hpp"
#include "Mutex.hpp"
#include "Bond.hpp"
#include "AES.hpp"
#include "Metrics.hpp"
#include "Mutex.hpp"
#include "Node.hpp"
#include "Packet.hpp"
#include "Path.hpp"
#include "RuntimeEnvironment.hpp"
#include "SharedPtr.hpp"
#include "Utils.hpp"
#include <list>
#include <vector>
#define ZT_PEER_MAX_SERIALIZED_STATE_SIZE (sizeof(Peer) + 32 + (sizeof(Path) * 2))
@ -43,19 +42,19 @@ namespace ZeroTier {
/**
* Peer on P2P Network (virtual layer 1)
*/
class Peer
{
class Peer {
friend class SharedPtr<Peer>;
friend class SharedPtr<Bond>;
friend class Switch;
friend class Bond;
private:
Peer() = delete; // disabled to prevent bugs -- should not be constructed uninitialized
private:
Peer() = delete; // disabled to prevent bugs -- should not be constructed uninitialized
public:
~Peer() {
Utils::burn(_key,sizeof(_key));
public:
~Peer()
{
Utils::burn(_key, sizeof(_key));
}
/**
@ -66,17 +65,23 @@ public:
* @param peerIdentity Identity of peer
* @throws std::runtime_error Key agreement with peer's identity failed
*/
Peer(const RuntimeEnvironment *renv,const Identity &myIdentity,const Identity &peerIdentity);
Peer(const RuntimeEnvironment* renv, const Identity& myIdentity, const Identity& peerIdentity);
/**
* @return This peer's ZT address (short for identity().address())
*/
inline const Address &address() const { return _id.address(); }
inline const Address& address() const
{
return _id.address();
}
/**
* @return This peer's identity
*/
inline const Identity &identity() const { return _id; }
inline const Identity& identity() const
{
return _id;
}
/**
* Log receipt of an authenticated packet
@ -95,8 +100,8 @@ public:
* @param networkId Network ID if this pertains to a network, or 0 otherwise
*/
void received(
void *tPtr,
const SharedPtr<Path> &path,
void* tPtr,
const SharedPtr<Path>& path,
const unsigned int hops,
const uint64_t packetId,
const unsigned int payloadLength,
@ -114,15 +119,16 @@ public:
* @param addr Remote address
* @return True if we have an active path to this destination
*/
inline bool hasActivePathTo(int64_t now,const InetAddress &addr) const
inline bool hasActivePathTo(int64_t now, const InetAddress& addr) const
{
Mutex::Lock _l(_paths_m);
for(unsigned int i=0;i<ZT_MAX_PEER_NETWORK_PATHS;++i) {
for (unsigned int i = 0; i < ZT_MAX_PEER_NETWORK_PATHS; ++i) {
if (_paths[i].p) {
if (((now - _paths[i].lr) < ZT_PEER_PATH_EXPIRATION)&&(_paths[i].p->address() == addr)) {
if (((now - _paths[i].lr) < ZT_PEER_PATH_EXPIRATION) && (_paths[i].p->address() == addr)) {
return true;
}
} else {
}
else {
break;
}
}
@ -139,11 +145,11 @@ public:
* @param force If true, send even if path is not alive
* @return True if we actually sent something
*/
inline bool sendDirect(void *tPtr,const void *data,unsigned int len,int64_t now,bool force)
inline bool sendDirect(void* tPtr, const void* data, unsigned int len, int64_t now, bool force)
{
SharedPtr<Path> bp(getAppropriatePath(now,force));
SharedPtr<Path> bp(getAppropriatePath(now, force));
if (bp) {
return bp->send(RR,tPtr,data,len,now);
return bp->send(RR, tPtr, data, len, now);
}
return false;
}
@ -159,8 +165,7 @@ public:
* @param flowId Flow ID
* @param now Current time
*/
void recordIncomingPacket(const SharedPtr<Path> &path, const uint64_t packetId,
uint16_t payloadLength, const Packet::Verb verb, const int32_t flowId, int64_t now);
void recordIncomingPacket(const SharedPtr<Path>& path, const uint64_t packetId, uint16_t payloadLength, const Packet::Verb verb, const int32_t flowId, int64_t now);
/**
*
@ -171,8 +176,7 @@ public:
* @param flowId Flow ID
* @param now Current time
*/
void recordOutgoingPacket(const SharedPtr<Path> &path, const uint64_t packetId,
uint16_t payloadLength, const Packet::Verb verb, const int32_t flowId, int64_t now);
void recordOutgoingPacket(const SharedPtr<Path>& path, const uint64_t packetId, uint16_t payloadLength, const Packet::Verb verb, const int32_t flowId, int64_t now);
/**
* Record an invalid incoming packet. This packet failed
@ -195,7 +199,7 @@ public:
/**
* Send VERB_RENDEZVOUS to this and another peer via the best common IP scope and path
*/
void introduce(void *const tPtr,const int64_t now,const SharedPtr<Peer> &other) const;
void introduce(void* const tPtr, const int64_t now, const SharedPtr<Peer>& other) const;
/**
* Send a HELLO to this peer at a specified physical address
@ -207,7 +211,7 @@ public:
* @param atAddress Destination address
* @param now Current time
*/
void sendHELLO(void *tPtr,const int64_t localSocket,const InetAddress &atAddress,int64_t now);
void sendHELLO(void* tPtr, const int64_t localSocket, const InetAddress& atAddress, int64_t now);
/**
* Send ECHO (or HELLO for older peers) to this peer at the given address
@ -220,7 +224,7 @@ public:
* @param now Current time
* @param sendFullHello If true, always send a full HELLO instead of just an ECHO
*/
void attemptToContactAt(void *tPtr,const int64_t localSocket,const InetAddress &atAddress,int64_t now,bool sendFullHello);
void attemptToContactAt(void* tPtr, const int64_t localSocket, const InetAddress& atAddress, int64_t now, bool sendFullHello);
/**
* Try a memorized or statically defined path if any are known
@ -230,14 +234,14 @@ public:
* @param tPtr Thread pointer to be handed through to any callbacks called as a result of this call
* @param now Current time
*/
void tryMemorizedPath(void *tPtr,int64_t now);
void tryMemorizedPath(void* tPtr, int64_t now);
/**
* A check to be performed periodically which determines whether multipath communication is
* possible with this peer. This check should be performed early in the life-cycle of the peer
* as well as during the process of learning new paths.
*/
void performMultipathStateCheck(void *tPtr, int64_t now);
void performMultipathStateCheck(void* tPtr, int64_t now);
/**
* Send pings or keepalives depending on configured timeouts
@ -249,7 +253,7 @@ public:
* @param inetAddressFamily Keep this address family alive, or -1 for any
* @return 0 if nothing sent or bit mask: bit 0x1 if IPv4 sent, bit 0x2 if IPv6 sent (0x3 means both sent)
*/
unsigned int doPingAndKeepalive(void *tPtr,int64_t now);
unsigned int doPingAndKeepalive(void* tPtr, int64_t now);
/**
* Process a cluster redirect sent by this peer
@ -259,7 +263,7 @@ public:
* @param remoteAddress Remote address
* @param now Current time
*/
void clusterRedirect(void *tPtr,const SharedPtr<Path> &originatingPath,const InetAddress &remoteAddress,const int64_t now);
void clusterRedirect(void* tPtr, const SharedPtr<Path>& originatingPath, const InetAddress& remoteAddress, const int64_t now);
/**
* Reset paths within a given IP scope and address family
@ -274,18 +278,18 @@ public:
* @param inetAddressFamily Family e.g. AF_INET
* @param now Current time
*/
void resetWithinScope(void *tPtr,InetAddress::IpScope scope,int inetAddressFamily,int64_t now);
void resetWithinScope(void* tPtr, InetAddress::IpScope scope, int inetAddressFamily, int64_t now);
/**
* @param now Current time
* @return All known paths to this peer
*/
inline std::vector< SharedPtr<Path> > paths(const int64_t now) const
inline std::vector<SharedPtr<Path> > paths(const int64_t now) const
{
std::vector< SharedPtr<Path> > pp;
std::vector<SharedPtr<Path> > pp;
Mutex::Lock _l(_paths_m);
for(unsigned int i=0;i<ZT_MAX_PEER_NETWORK_PATHS;++i) {
if (!_paths[i].p) {
for (unsigned int i = 0; i < ZT_MAX_PEER_NETWORK_PATHS; ++i) {
if (! _paths[i].p) {
break;
}
pp.push_back(_paths[i].p);
@ -296,19 +300,31 @@ public:
/**
* @return Time of last receive of anything, whether direct or relayed
*/
inline int64_t lastReceive() const { return _lastReceive; }
inline int64_t lastReceive() const
{
return _lastReceive;
}
/**
* @return True if we've heard from this peer in less than ZT_PEER_ACTIVITY_TIMEOUT
*/
inline bool isAlive(const int64_t now) const { return ((now - _lastReceive) < ZT_PEER_ACTIVITY_TIMEOUT); }
inline bool isAlive(const int64_t now) const
{
return ((now - _lastReceive) < ZT_PEER_ACTIVITY_TIMEOUT);
}
/**
* @return True if this peer has sent us real network traffic recently
*/
inline int64_t isActive(int64_t now) const { return ((now - _lastNontrivialReceive) < ZT_PEER_ACTIVITY_TIMEOUT); }
inline int64_t isActive(int64_t now) const
{
return ((now - _lastNontrivialReceive) < ZT_PEER_ACTIVITY_TIMEOUT);
}
inline int64_t lastSentFullHello() { return _lastSentFullHello; }
inline int64_t lastSentFullHello()
{
return _lastSentFullHello;
}
/**
* @return Latency in milliseconds of best/aggregate path or 0xffff if unknown / no paths
@ -317,8 +333,9 @@ public:
{
if (_localMultipathSupported) {
return (int)_lastComputedAggregateMeanLatency;
} else {
SharedPtr<Path> bp(getAppropriatePath(now,false));
}
else {
SharedPtr<Path> bp(getAppropriatePath(now, false));
if (bp) {
return (unsigned int)bp->latency();
}
@ -344,7 +361,7 @@ public:
return (~(unsigned int)0);
}
unsigned int l = latency(now);
if (!l) {
if (! l) {
l = 0xffff;
}
return (l * (((unsigned int)tsr / (ZT_PEER_PING_PERIOD + 1000)) + 1));
@ -353,7 +370,10 @@ public:
/**
* @return 256-bit secret symmetric encryption key
*/
inline const unsigned char *key() const { return _key; }
inline const unsigned char* key() const
{
return _key;
}
/**
* Set the currently known remote version of this peer's client
@ -363,7 +383,7 @@ public:
* @param vmin Minor version
* @param vrev Revision
*/
inline void setRemoteVersion(unsigned int vproto,unsigned int vmaj,unsigned int vmin,unsigned int vrev)
inline void setRemoteVersion(unsigned int vproto, unsigned int vmaj, unsigned int vmin, unsigned int vrev)
{
_vProto = (uint16_t)vproto;
_vMajor = (uint16_t)vmaj;
@ -371,17 +391,35 @@ public:
_vRevision = (uint16_t)vrev;
}
inline unsigned int remoteVersionProtocol() const { return _vProto; }
inline unsigned int remoteVersionMajor() const { return _vMajor; }
inline unsigned int remoteVersionMinor() const { return _vMinor; }
inline unsigned int remoteVersionRevision() const { return _vRevision; }
inline unsigned int remoteVersionProtocol() const
{
return _vProto;
}
inline unsigned int remoteVersionMajor() const
{
return _vMajor;
}
inline unsigned int remoteVersionMinor() const
{
return _vMinor;
}
inline unsigned int remoteVersionRevision() const
{
return _vRevision;
}
inline bool remoteVersionKnown() const { return ((_vMajor > 0)||(_vMinor > 0)||(_vRevision > 0)); }
inline bool remoteVersionKnown() const
{
return ((_vMajor > 0) || (_vMinor > 0) || (_vRevision > 0));
}
/**
* @return True if peer has received a trust established packet (e.g. common network membership) in the past ZT_TRUST_EXPIRATION ms
*/
inline bool trustEstablished(const int64_t now) const { return ((now - _lastTrustEstablishedPacketReceived) < ZT_TRUST_EXPIRATION); }
inline bool trustEstablished(const int64_t now) const
{
return ((now - _lastTrustEstablishedPacketReceived) < ZT_TRUST_EXPIRATION);
}
/**
* Rate limit gate for VERB_PUSH_DIRECT_PATHS
@ -390,7 +428,8 @@ public:
{
if ((now - _lastDirectPathPushReceive) <= ZT_PUSH_DIRECT_PATHS_CUTOFF_TIME) {
++_directPathPushCutoffCount;
} else {
}
else {
_directPathPushCutoffCount = 0;
}
_lastDirectPathPushReceive = now;
@ -439,10 +478,10 @@ public:
inline bool rateGateQoS(int64_t now, SharedPtr<Path>& path)
{
Mutex::Lock _l(_bond_m);
if(_bond) {
if (_bond) {
return _bond->rateGateQoS(now, path);
}
return false; // Default behavior. If there is no bond, we drop these
return false; // Default behavior. If there is no bond, we drop these
}
/**
@ -451,7 +490,7 @@ public:
void receivedQoS(const SharedPtr<Path>& path, int64_t now, int count, uint64_t* rx_id, uint16_t* rx_ts)
{
Mutex::Lock _l(_bond_m);
if(_bond) {
if (_bond) {
_bond->receivedQoS(path, now, count, rx_id, rx_ts);
}
}
@ -462,7 +501,7 @@ public:
void processIncomingPathNegotiationRequest(uint64_t now, SharedPtr<Path>& path, int16_t remoteUtility)
{
Mutex::Lock _l(_bond_m);
if(_bond) {
if (_bond) {
_bond->processIncomingPathNegotiationRequest(now, path, remoteUtility);
}
}
@ -473,10 +512,10 @@ public:
inline bool rateGatePathNegotiation(int64_t now, SharedPtr<Path>& path)
{
Mutex::Lock _l(_bond_m);
if(_bond) {
if (_bond) {
return _bond->rateGatePathNegotiation(now, path);
}
return false; // Default behavior. If there is no bond, we drop these
return false; // Default behavior. If there is no bond, we drop these
}
/**
@ -485,7 +524,7 @@ public:
bool flowHashingSupported()
{
Mutex::Lock _l(_bond_m);
if(_bond) {
if (_bond) {
return _bond->flowHashingSupported();
}
return false;
@ -496,8 +535,7 @@ public:
*
* This does not serialize everything, just non-ephemeral information.
*/
template<unsigned int C>
inline void serializeForCache(Buffer<C> &b) const
template <unsigned int C> inline void serializeForCache(Buffer<C>& b) const
{
b.append((uint8_t)2);
@ -511,22 +549,22 @@ public:
{
Mutex::Lock _l(_paths_m);
unsigned int pc = 0;
for(unsigned int i=0;i<ZT_MAX_PEER_NETWORK_PATHS;++i) {
for (unsigned int i = 0; i < ZT_MAX_PEER_NETWORK_PATHS; ++i) {
if (_paths[i].p) {
++pc;
} else {
}
else {
break;
}
}
b.append((uint16_t)pc);
for(unsigned int i=0;i<pc;++i) {
for (unsigned int i = 0; i < pc; ++i) {
_paths[i].p->address().serialize(b);
}
}
}
template<unsigned int C>
inline static SharedPtr<Peer> deserializeFromCache(int64_t now,void *tPtr,Buffer<C> &b,const RuntimeEnvironment *renv)
template <unsigned int C> inline static SharedPtr<Peer> deserializeFromCache(int64_t now, void* tPtr, Buffer<C>& b, const RuntimeEnvironment* renv)
{
try {
unsigned int ptr = 0;
@ -535,12 +573,12 @@ public:
}
Identity id;
ptr += id.deserialize(b,ptr);
if (!id) {
ptr += id.deserialize(b, ptr);
if (! id) {
return SharedPtr<Peer>();
}
SharedPtr<Peer> p(new Peer(renv,renv->identity,id));
SharedPtr<Peer> p(new Peer(renv, renv->identity, id));
p->_vProto = b.template at<uint16_t>(ptr);
ptr += 2;
@ -556,20 +594,22 @@ public:
// Paths are fairly ephemeral in the real world in most cases.
const unsigned int tryPathCount = b.template at<uint16_t>(ptr);
ptr += 2;
for(unsigned int i=0;i<tryPathCount;++i) {
for (unsigned int i = 0; i < tryPathCount; ++i) {
InetAddress inaddr;
try {
ptr += inaddr.deserialize(b,ptr);
ptr += inaddr.deserialize(b, ptr);
if (inaddr) {
p->attemptToContactAt(tPtr,-1,inaddr,now,true);
p->attemptToContactAt(tPtr, -1, inaddr, now, true);
}
} catch ( ... ) {
}
catch (...) {
break;
}
}
return p;
} catch ( ... ) {
}
catch (...) {
return SharedPtr<Peer>();
}
}
@ -577,12 +617,16 @@ public:
/**
* @return The bonding policy used to reach this peer
*/
SharedPtr<Bond> bond() { return _bond; }
SharedPtr<Bond> bond()
{
return _bond;
}
/**
* @return The bonding policy used to reach this peer
*/
inline int8_t bondingPolicy() {
inline int8_t bondingPolicy()
{
Mutex::Lock _l(_bond_m);
if (_bond) {
return _bond->policy();
@ -593,7 +637,8 @@ public:
/**
* @return the number of links in this bond which are considered alive
*/
inline uint8_t getNumAliveLinks() {
inline uint8_t getNumAliveLinks()
{
Mutex::Lock _l(_paths_m);
if (_bond) {
return _bond->getNumAliveLinks();
@ -604,7 +649,8 @@ public:
/**
* @return the number of links in this bond
*/
inline uint8_t getNumTotalLinks() {
inline uint8_t getNumTotalLinks()
{
Mutex::Lock _l(_paths_m);
if (_bond) {
return _bond->getNumTotalLinks();
@ -612,31 +658,36 @@ public:
return 0;
}
//inline const AES *aesKeysIfSupported() const
// inline const AES *aesKeysIfSupported() const
//{ return (const AES *)0; }
inline const AES *aesKeysIfSupported() const
{ return (_vProto >= 12) ? _aesKeys : (const AES *)0; }
inline const AES *aesKeys() const
{ return _aesKeys; }
private:
struct _PeerPath
inline const AES* aesKeysIfSupported() const
{
_PeerPath() : lr(0),p(),priority(1) {}
int64_t lr; // time of last valid ZeroTier packet
return (_vProto >= 12) ? _aesKeys : (const AES*)0;
}
inline const AES* aesKeys() const
{
return _aesKeys;
}
private:
struct _PeerPath {
_PeerPath() : lr(0), p(), priority(1)
{
}
int64_t lr; // time of last valid ZeroTier packet
SharedPtr<Path> p;
long priority; // >= 1, higher is better
long priority; // >= 1, higher is better
};
uint8_t _key[ZT_SYMMETRIC_KEY_SIZE];
AES _aesKeys[2];
const RuntimeEnvironment *RR;
const RuntimeEnvironment* RR;
int64_t _lastReceive; // direct or indirect
int64_t _lastNontrivialReceive; // frames, things like netconf, etc.
int64_t _lastReceive; // direct or indirect
int64_t _lastNontrivialReceive; // frames, things like netconf, etc.
int64_t _lastTriedMemorizedPath;
int64_t _lastDirectPathPushSent;
int64_t _lastDirectPathPushReceive;
@ -654,7 +705,7 @@ private:
uint16_t _vMinor;
uint16_t _vRevision;
std::list< std::pair< Path *, int64_t > > _lastTriedPath;
std::list<std::pair<Path*, int64_t> > _lastTriedPath;
Mutex _lastTriedPath_m;
_PeerPath _paths[ZT_MAX_PEER_NETWORK_PATHS];
@ -679,7 +730,7 @@ private:
SharedPtr<Bond> _bond;
#ifndef ZT_NO_PEER_METRICS
prometheus::Histogram<uint64_t> &_peer_latency;
prometheus::Histogram<uint64_t>& _peer_latency;
prometheus::simpleapi::gauge_metric_t _alive_path_count;
prometheus::simpleapi::gauge_metric_t _dead_path_count;
prometheus::simpleapi::counter_metric_t _incoming_packet;
@ -688,15 +739,14 @@ private:
#endif
};
} // namespace ZeroTier
} // namespace ZeroTier
// Add a swap() for shared ptr's to peers to speed up peer sorts
namespace std {
template<>
inline void swap(ZeroTier::SharedPtr<ZeroTier::Peer> &a,ZeroTier::SharedPtr<ZeroTier::Peer> &b)
{
a.swap(b);
}
template <> inline void swap(ZeroTier::SharedPtr<ZeroTier::Peer>& a, ZeroTier::SharedPtr<ZeroTier::Peer>& b)
{
a.swap(b);
}
} // namespace std
#endif