mirror of
https://github.com/zerotier/ZeroTierOne.git
synced 2024-12-27 00:21:05 +00:00
122 lines
3.3 KiB
C++
122 lines
3.3 KiB
C++
/*
|
|
* Copyright (c)2013-2021 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.
|
|
*/
|
|
/****/
|
|
|
|
#include "PacketMultiplexer.hpp"
|
|
|
|
#include "Node.hpp"
|
|
#include "RuntimeEnvironment.hpp"
|
|
#include "Constants.hpp"
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
namespace ZeroTier {
|
|
|
|
PacketMultiplexer::PacketMultiplexer(const RuntimeEnvironment* renv)
|
|
{
|
|
RR = renv;
|
|
};
|
|
|
|
void PacketMultiplexer::putFrame(void* tPtr, uint64_t nwid, void** nuptr, const MAC& source, const MAC& dest, unsigned int etherType, unsigned int vlanId, const void* data, unsigned int len, unsigned int flowId)
|
|
{
|
|
#if defined(__APPLE__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__WINDOWS__)
|
|
RR->node->putFrame(tPtr,nwid,nuptr,source,dest,etherType,vlanId,(const void *)data,len);
|
|
return;
|
|
#endif
|
|
|
|
if (!_enabled) {
|
|
RR->node->putFrame(tPtr,nwid,nuptr,source,dest,etherType,vlanId,(const void *)data,len);
|
|
return;
|
|
}
|
|
|
|
PacketRecord* packet;
|
|
_rxPacketVector_m.lock();
|
|
if (_rxPacketVector.empty()) {
|
|
packet = new PacketRecord;
|
|
}
|
|
else {
|
|
packet = _rxPacketVector.back();
|
|
_rxPacketVector.pop_back();
|
|
}
|
|
_rxPacketVector_m.unlock();
|
|
|
|
packet->tPtr = tPtr;
|
|
packet->nwid = nwid;
|
|
packet->nuptr = nuptr;
|
|
packet->source = source.toInt();
|
|
packet->dest = dest.toInt();
|
|
packet->etherType = etherType;
|
|
packet->vlanId = vlanId;
|
|
packet->len = len;
|
|
packet->flowId = flowId;
|
|
memcpy(packet->data, data, len);
|
|
|
|
int bucket = flowId % _concurrency;
|
|
_rxPacketQueues[bucket]->postLimit(packet, 2048);
|
|
}
|
|
|
|
void PacketMultiplexer::setUpPostDecodeReceiveThreads(unsigned int concurrency, bool cpuPinningEnabled)
|
|
{
|
|
#if defined(__APPLE__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__WINDOWS__)
|
|
return;
|
|
#endif
|
|
_enabled = true;
|
|
_concurrency = concurrency;
|
|
bool _enablePinning = cpuPinningEnabled;
|
|
|
|
for (unsigned int i = 0; i < _concurrency; ++i) {
|
|
fprintf(stderr, "Reserved queue for thread %d\n", i);
|
|
_rxPacketQueues.push_back(new BlockingQueue<PacketRecord*>());
|
|
}
|
|
|
|
// Each thread picks from its own queue to feed into the core
|
|
for (unsigned int i = 0; i < _concurrency; ++i) {
|
|
_rxThreads.push_back(std::thread([this, i, _enablePinning]() {
|
|
fprintf(stderr, "Created post-decode packet ingestion thread %d\n", i);
|
|
|
|
PacketRecord* packet = nullptr;
|
|
for (;;) {
|
|
if (! _rxPacketQueues[i]->get(packet)) {
|
|
break;
|
|
}
|
|
if (! packet) {
|
|
break;
|
|
}
|
|
|
|
// fprintf(stderr, "popped packet from queue %d\n", i);
|
|
|
|
MAC sourceMac = MAC(packet->source);
|
|
MAC destMac = MAC(packet->dest);
|
|
|
|
RR->node->putFrame(packet->tPtr, packet->nwid, packet->nuptr, sourceMac, destMac, packet->etherType, 0, (const void*)packet->data, packet->len);
|
|
{
|
|
Mutex::Lock l(_rxPacketVector_m);
|
|
_rxPacketVector.push_back(packet);
|
|
}
|
|
/*
|
|
if (ZT_ResultCode_isFatal(err)) {
|
|
char tmp[256];
|
|
OSUtils::ztsnprintf(tmp, sizeof(tmp), "error processing packet: %d", (int)err);
|
|
Mutex::Lock _l(_termReason_m);
|
|
_termReason = ONE_UNRECOVERABLE_ERROR;
|
|
_fatalErrorMessage = tmp;
|
|
this->terminate();
|
|
break;
|
|
}
|
|
*/
|
|
}
|
|
}));
|
|
}
|
|
}
|
|
|
|
} // namespace ZeroTier
|