ExternalVendorCode/ZeroTierOne
1
0
Fork 0
mirror of https://github.com/zerotier/ZeroTierOne.git synced 2025-06-12 20:28:27 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Push remote surface as reported by peers along with known interface direct paths to assist with (some) NAT traversal. (trying this, may back out if not effective)

Browse Source
This commit is contained in:
Adam Ierymenko
2015-07-27 17:02:43 -07:00
parent e30ba3e138
commit f0003ea922
3 changed files with 37 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
node/Peer.cpp
View File

@ -33,6 +33,7 @@
#include "Switch.hpp"
#include "Network.hpp"
#include "AntiRecursion.hpp"
#include "SelfAwareness.hpp"
#include <algorithm>
@ -229,6 +230,24 @@ void Peer::pushDirectPaths(const RuntimeEnvironment *RR,RemotePath *path,uint64_
_lastDirectPathPush = now;
std::vector<Path> dps(RR->node->directPaths());
/* Also push paths reported to us by non-root-server peers. This assists
* with NAT traversal behind NATs that engage in strange or randomized
* port assignment behavior. */
std::vector<Address> rootAddresses(RR->topology->rootAddresses());
std::vector< std::pair<Address,InetAddress> > surface(RR->sa->getReportedSurface());
for(std::vector< std::pair<Address,InetAddress> >::const_iterator s(surface.begin());s!=surface.end();++s) {
bool alreadyHave = false;
for(std::vector<Path>::const_iterator p(dps.begin());p!=dps.end();++p) {
if (p->address() == s->second) {
alreadyHave = true;
break;
}
}
if ((!alreadyHave)&&(std::find(rootAddresses.begin(),rootAddresses.end(),s->first) == rootAddresses.end()))
dps.push_back(Path(s->second,0,Path::TRUST_NORMAL));
}
#ifdef ZT_TRACE
{
std::string ps;