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Fix build for macOS, tune to prevent packet re-ordering

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This commit is contained in:
Joseph Henry 2024-07-03 08:49:07 -07:00
parent 683d332abc
commit 64634c916c
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GPG Key ID: 3C2C8A1EB4269827
7 changed files with 102 additions and 96 deletions
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4
osdep/EthernetTap.cpp
View File

@ -84,9 +84,9 @@ std::shared_ptr<EthernetTap> EthernetTap::newInstance(
// The "feth" virtual Ethernet device type appeared in Darwin 17.x.x. Older versions
// (Sierra and earlier) must use the a kernel extension.
if (strtol(osrelease,(char **)0,10) < 17) {
return std::shared_ptr<EthernetTap>(new MacKextEthernetTap(homePath,concurrency,mac,mtu,metric,nwid,friendlyName,handler,arg));
return std::shared_ptr<EthernetTap>(new MacKextEthernetTap(homePath,mac,mtu,metric,nwid,friendlyName,handler,arg));
} else {
return std::shared_ptr<EthernetTap>(new MacEthernetTap(homePath,concurrency,mac,mtu,metric,nwid,friendlyName,handler,arg));
return std::shared_ptr<EthernetTap>(new MacEthernetTap(homePath,mac,mtu,metric,nwid,friendlyName,handler,arg));
}
}
}

2
osdep/LinuxEthernetTap.cpp
View File

@ -223,7 +223,7 @@ LinuxEthernetTap::LinuxEthernetTap(
(void)::pipe(_shutdownSignalPipe);
bool _enablePinning = false;
char* envvar = std::getenv("ZT_CPU_PINNING");
char* envvar = std::getenv("ZT_CORE_PINNING");
if (envvar) {
int tmp = atoi(envvar);
if (tmp > 0) {

18
osdep/MacEthernetTap.cpp
View File

@ -69,7 +69,6 @@ static bool fethMaxMtuAdjusted = false;
MacEthernetTap::MacEthernetTap(
const char *homePath,
unsigned int concurrency,
const MAC &mac,
unsigned int mtu,
unsigned int metric,
@ -78,7 +77,6 @@ MacEthernetTap::MacEthernetTap(
void (*handler)(void *,void *,uint64_t,const MAC &,const MAC &,unsigned int,unsigned int,const void *data,unsigned int len),
void *arg) :
_handler(handler),
_concurrency(concurrency),
_arg(arg),
_nwid(nwid),
_homePath(homePath),
@ -288,9 +286,6 @@ MacEthernetTap::~MacEthernetTap()
}
Thread::join(_thread);
for (std::thread &t : _rxThreads) {
t.join();
}
}
void MacEthernetTap::setEnabled(bool en) { _enabled = en; }
@ -479,25 +474,17 @@ void MacEthernetTap::setMtu(unsigned int mtu)
void MacEthernetTap::threadMain()
throw()
{
Thread::sleep(250);
for (unsigned int i = 0; i < _concurrency; ++i) {
_rxThreads.push_back(std::thread([this, i] {
fprintf(stderr, "starting thread %d\n", i);
char agentReadBuf[ZT_MACETHERNETTAP_AGENT_READ_BUF_SIZE];
char agentStderrBuf[256];
fd_set readfds,nullfds;
MAC to,from;
Thread::sleep(250);
const int nfds = std::max(std::max(_shutdownSignalPipe[0],_agentStdout),_agentStderr) + 1;
long agentReadPtr = 0;
if (i == 0) {
fcntl(_agentStdout,F_SETFL,fcntl(_agentStdout,F_GETFL)|O_NONBLOCK);
fcntl(_agentStderr,F_SETFL,fcntl(_agentStderr,F_GETFL)|O_NONBLOCK);
}
FD_ZERO(&readfds);
FD_ZERO(&nullfds);
@ -546,7 +533,6 @@ void MacEthernetTap::threadMain()
*/
}
}
}));}
::close(_agentStdin);
::close(_agentStdout);

4
osdep/MacEthernetTap.hpp
View File

@ -28,7 +28,6 @@
#include <stdexcept>
#include <string>
#include <vector>
#include <thread>
namespace ZeroTier {
@ -37,7 +36,6 @@ class MacEthernetTap : public EthernetTap
public:
MacEthernetTap(
const char *homePath,
unsigned int concurrency,
const MAC &mac,
unsigned int mtu,
unsigned int metric,
@ -69,7 +67,6 @@ private:
uint64_t _nwid;
Thread _thread;
std::string _homePath;
unsigned int _concurrency;
std::string _dev;
std::vector<MulticastGroup> _multicastGroups;
Mutex _putLock;
@ -82,7 +79,6 @@ private:
volatile bool _enabled;
mutable std::vector<InetAddress> _ifaddrs;
mutable uint64_t _lastIfAddrsUpdate;
std::vector<std::thread> _rxThreads;
};

2
osdep/MacKextEthernetTap.cpp
View File

@ -306,7 +306,6 @@ static Mutex globalTapCreateLock;
MacKextEthernetTap::MacKextEthernetTap(
const char *homePath,
unsigned int concurrency,
const MAC &mac,
unsigned int mtu,
unsigned int metric,
@ -318,7 +317,6 @@ MacKextEthernetTap::MacKextEthernetTap(
_arg(arg),
_nwid(nwid),
_homePath(homePath),
_concurrency(concurrency),
_mtu(mtu),
_metric(metric),
_fd(0),

2
osdep/MacKextEthernetTap.hpp
View File

@ -37,7 +37,6 @@ class MacKextEthernetTap : public EthernetTap
public:
MacKextEthernetTap(
const char *homePath,
unsigned int concurrency,
const MAC &mac,
unsigned int mtu,
unsigned int metric,
@ -72,7 +71,6 @@ private:
std::string _homePath;
std::string _dev;
std::vector<MulticastGroup> _multicastGroups;
unsigned int _concurrency;
unsigned int _mtu;
unsigned int _metric;
int _fd;

40
service/OneService.cpp
View File

@ -801,6 +801,7 @@ public:
std::vector<PacketRecord *> _rxPacketVector;
std::vector<std::thread> _rxPacketThreads;
Mutex _rxPacketVector_m,_rxPacketThreads_m;
bool _enableMulticore;
bool _allowTcpFallbackRelay;
bool _forceTcpRelay;
@ -934,30 +935,41 @@ public:
_ports[1] = 0;
_ports[2] = 0;
_enableMulticore = false;
char* multicoreVar = std::getenv("ZT_ENABLE_MULTICORE");
if (multicoreVar) {
int tmp = atoi(multicoreVar);
if (tmp > 0) {
_enableMulticore = true;
}
}
if (_enableMulticore) {
bool _enablePinning = false;
char* pinningVar = std::getenv("ZT_CPU_PINNING");
char* pinningVar = std::getenv("ZT_CORE_PINNING");
if (pinningVar) {
int tmp = atoi(pinningVar);
if (tmp > 0) {
_enablePinning = true;
}
}
char* concurrencyVar = std::getenv("ZT_PACKET_PROCESSING_CONCURRENCY");
char* concurrencyVar = std::getenv("ZT_CONCURRENCY");
if (concurrencyVar) {
int tmp = atoi(concurrencyVar);
if (tmp > 0) {
_rxThreadCount = tmp;
}
else {
_rxThreadCount = std::thread::hardware_concurrency();
_rxThreadCount = std::thread::hardware_concurrency() >= 4 ? 2 : 1;
}
}
else {
_rxThreadCount = std::thread::hardware_concurrency();
_rxThreadCount = std::thread::hardware_concurrency() >= 4 ? 2 : 1;
}
fprintf(stderr, "using %d rx threads\n", _rxThreadCount);
for (unsigned int i = 0; i < _rxThreadCount; ++i) {
_rxPacketThreads.push_back(std::thread([this, i]() {
_rxPacketThreads.push_back(std::thread([this, i, _enablePinning]() {
if (_enablePinning) {
#if defined(__LINUX__) || defined(__FreeBSD__) /* || defined(__APPLE__) */
int pinCore = i % _rxThreadCount;
fprintf(stderr, "pinning thread %d to core %d\n", i, pinCore);
@ -978,6 +990,7 @@ public:
exit(1);
}
#endif
}
PacketRecord* packet = nullptr;
for (;;) {
if (! _rxPacketQueue.get(packet)) {
@ -1003,6 +1016,7 @@ public:
}
}));
}
}
prometheus::simpleapi::saver.set_registry(prometheus::simpleapi::registry_ptr);
prometheus::simpleapi::saver.set_delay(std::chrono::seconds(5));
@ -2865,6 +2879,7 @@ public:
_lastDirectReceiveFromGlobal = now;
}
if (_enableMulticore) {
PacketRecord* packet;
_rxPacketVector_m.lock();
if (_rxPacketVector.empty()) {
@ -2883,6 +2898,19 @@ public:
memcpy(packet->data, data, len);
_rxPacketQueue.postLimit(packet, 256 * _rxThreadCount);
}
else {
const ZT_ResultCode rc = _node->processWirePacket(nullptr,now,reinterpret_cast<int64_t>(sock),reinterpret_cast<const struct sockaddr_storage *>(from),data,len,&_nextBackgroundTaskDeadline);
if (ZT_ResultCode_isFatal(rc)) {
char tmp[256];
OSUtils::ztsnprintf(tmp,sizeof(tmp),"fatal error code from processWirePacket: %d",(int)rc);
Mutex::Lock _l(_termReason_m);
_termReason = ONE_UNRECOVERABLE_ERROR;
_fatalErrorMessage = tmp;
this->terminate();
}
}
}
inline void phyOnTcpConnect(PhySocket *sock,void **uptr,bool success)
{
@ -3103,7 +3131,7 @@ public:
n.setTap(EthernetTap::newInstance(
nullptr,
_homePath.c_str(),
_rxThreadCount,
_enableMulticore ? _rxThreadCount : 1,
MAC(nwc->mac),
nwc->mtu,
(unsigned int)ZT_IF_METRIC,