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Adam Ierymenko ff5e22031a Small fix: should expire packets to prevent repeated WHOISes. 9 years ago
..
Address.hpp Cleanup. 9 years ago
Array.hpp Minor cleanup. 9 years ago
AtomicCounter.hpp Make rxQueue lock-free using an atomic counter ring buffer. 9 years ago
Buffer.hpp Cleanup. 9 years ago
C25519.cpp Minor cleanup. 9 years ago
C25519.hpp Minor cleanup. 9 years ago
Capability.cpp License header update. 9 years ago
Capability.hpp Minor cleanup. 9 years ago
CertificateOfMembership.cpp Cleanup. 9 years ago
CertificateOfMembership.hpp Minor cleanup. 9 years ago
CertificateOfOwnership.cpp License header update. 9 years ago
CertificateOfOwnership.hpp Minor cleanup. 9 years ago
CertificateOfRepresentation.hpp Minor cleanup. 9 years ago
Constants.hpp Minor cleanup. 9 years ago
Credential.hpp License header update. 9 years ago
Dictionary.hpp Bunch of remote tracing work. 9 years ago
Hashtable.hpp Minor cleanup. 9 years ago
Identity.cpp Minor cleanup. 9 years ago
Identity.hpp Minor cleanup. 9 years ago
IncomingPacket.cpp Cleanup and stdin/stdout harness mode for controller. 9 years ago
IncomingPacket.hpp Minor cleanup. 9 years ago
InetAddress.cpp Cleanup. 9 years ago
InetAddress.hpp Minor cleanup. 9 years ago
MAC.hpp Minor cleanup. 9 years ago
Membership.cpp Bunch of remote tracing work. 9 years ago
Membership.hpp Bunch of remote tracing work. 9 years ago
MulticastGroup.hpp Minor cleanup. 9 years ago
Multicaster.cpp Remote trace: plumbing, replace old TRACE with calls to Trace object. 9 years ago
Multicaster.hpp Minor cleanup. 9 years ago
Mutex.hpp Minor cleanup. 9 years ago
Network.cpp Bunch of remote tracing work. 9 years ago
Network.hpp Minor cleanup. 9 years ago
NetworkConfig.cpp Remote trace: plumbing, replace old TRACE with calls to Trace object. 9 years ago
NetworkConfig.hpp Remote tracing works. 9 years ago
NetworkController.hpp License header update. 9 years ago
Node.cpp Possible deadlock fix. 9 years ago
Node.hpp Minor cleanup. 9 years ago
NonCopyable.hpp Minor cleanup. 9 years ago
OutboundMulticast.cpp Remote trace: plumbing, replace old TRACE with calls to Trace object. 9 years ago
OutboundMulticast.hpp Minor cleanup. 9 years ago
Packet.cpp Remote trace: plumbing, replace old TRACE with calls to Trace object. 9 years ago
Packet.hpp Remote tracing works. 9 years ago
Path.cpp . 9 years ago
Path.hpp . 9 years ago
Peer.cpp Minor cleanup. 9 years ago
Peer.hpp Minor cleanup. 9 years ago
Poly1305.cpp Minor cleanup. 9 years ago
Poly1305.hpp Minor cleanup. 9 years ago
README.md Actual documentation. 9 years ago
Revocation.cpp License header update. 9 years ago
Revocation.hpp Minor cleanup. 9 years ago
RuntimeEnvironment.hpp Remote trace: plumbing, replace old TRACE with calls to Trace object. 9 years ago
SHA512.cpp License header update. 9 years ago
SHA512.hpp License header update. 9 years ago
Salsa20.cpp Some code cleanup and make sure any type punning is guarded with ZT_NO_TYPE_PUNNING. 9 years ago
Salsa20.hpp Another very small crypto optimization. 9 years ago
SelfAwareness.cpp Bunch of remote tracing work. 9 years ago
SelfAwareness.hpp . 9 years ago
SharedPtr.hpp More cleanup, Linux build fixes. 9 years ago
Switch.cpp Small fix: should expire packets to prevent repeated WHOISes. 9 years ago
Switch.hpp Make rxQueue lock-free using an atomic counter ring buffer. 9 years ago
Tag.cpp License header update. 9 years ago
Tag.hpp Minor cleanup. 9 years ago
Topology.cpp Remote trace: plumbing, replace old TRACE with calls to Trace object. 9 years ago
Topology.hpp Remote trace: plumbing, replace old TRACE with calls to Trace object. 9 years ago
Trace.cpp Remote tracing works. 9 years ago
Trace.hpp Remote tracing works. 9 years ago
Utils.cpp More cleanup. 9 years ago
Utils.hpp Fix for new identity generation bug. 9 years ago
World.hpp Minor cleanup. 9 years ago

README.md

ZeroTier Network Hypervisor Core

This directory contains the real ZeroTier: a completely OS-independent global virtual Ethernet switch engine. This is where the magic happens.

Give it wire packets and it gives you Ethernet packets, and vice versa. The core contains absolutely no actual I/O, port configuration, or other OS-specific code (except Utils::getSecureRandom()). It provides a simple C API via /include/ZeroTierOne.h. It's designed to be small and maximally portable for future use on small embedded and special purpose systems.

Code in here follows these guidelines:

  • Keep it minimal, especially in terms of code footprint and memory use.
  • There should be no OS-dependent code here unless absolutely necessary (e.g. getSecureRandom).
  • If it's not part of the core virtual Ethernet switch it does not belong here.
  • No C++11 or C++14 since older and embedded compilers don't support it yet and this should be maximally portable.
  • Minimize the use of complex C++ features since at some point we might end up "minus-minus'ing" this code if doing so proves necessary to port to tiny embedded systems.