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lokinet/llarp
Jason Rhinelander 5b555ee5aa Replace libuv with uvw & related refactoring
- removes all the llarp_ev_* functions, replacing with methods/classes/functions in the llarp
  namespace.
- banish ev/ev.h to the void
- Passes various things by const lvalue ref, especially shared_ptr's that don't need to be copied
  (to avoid an atomic refcount increment/decrement).
- Add a llarp::UDPHandle abstract class for UDP handling
- Removes the UDP tick handler; code that needs tick can just do a separate handler on the event
  loop outside the UDP socket.
- Adds an "OwnedBuffer" which owns its own memory but is implicitly convertible to a llarp_buffer_t.
  This is mostly needed to take over ownership of buffers from uvw without copying them as,
  currently, uvw does its own allocation (pending some open upstream issues/PRs).
- Logic:
  - add `make_caller`/`call_forever`/`call_every` utility functions to abstract Call wrapping and
    dependent timed tasks.
  - Add inLogicThread() so that code can tell its inside the logic thread (typically for
    debugging assertions).
  - get rid of janky integer returns and dealing with cancellations on call_later: the other methods
    added here and the event loop code remove the need for them.
- Event loop:
  - redo everything with uvw instead of libuv
  - rename EventLoopWakeup::Wakeup to EventLoopWakeup::Trigger to better reflect what it does.
  - add EventLoopRepeater for repeated events, and replace the code that reschedules itself every
    time it is called with a repeater.
  - Split up `EventLoop::run()` into a non-virtual base method and abstract `run_loop()` methods;
    the base method does a couple extra setup/teardown things that don't need to be in the derived class.
  - udp_listen is replaced with ev->udp(...) which returns a new UDPHandle object rather that
    needing gross C-style-but-not-actually-C-compatible structs.
  - Remove unused register_poll_fd_(un)readable
  - Use shared_ptr for EventLoopWakeup rather than returning a raw pointer; uvw lets us not have to
    worry about having the event loop class maintain ownership of it.
  - Add factory EventLoop::create() function to create a default (uvw-based) event loop (previously
    this was one of the llarp_ev_blahblah unnamespaced functions).
  - ev_libuv: this is mostly rewritten; all of the glue code/structs, in particular, are gone as
    they are no longer needed with uvw.
- DNS:
  - Rename DnsHandler to DnsInterceptor to better describe what it does (this is the code that
    intercepts all DNS to the tun IP range for Android).
- endpoint:
  - remove unused "isolated network" code
  - remove distinct (but actually always the same) variables for router/endpoint logic objects
- llarp_buffer_t
  - make constructors type-safe against being called with points to non-size-1 values
- tun packet reading:
  - read all available packets off the device/file descriptor; previously we were reading one packet
    at a time then returning to the event loop to poll again.
  - ReadNextPacket() now returns a 0-size packet if the read would block (so that we can implement
    the previous point).
  - ReadNextPacket() now throws on I/O error
- Miscellaneous code cleanups/simplifications
3 years ago
..
android The Great Wall of Blame 4 years ago
config Merge pull request #1539 from majestrate/path-algorithm-flavors-2021-02-18 3 years ago
consensus The Great Wall of Blame 4 years ago
constants add conf.d directory for config overrides (#1410) 4 years ago
crypto add llarp::CSRNG for cryptographically secure random number generator for use in std::shuffle 3 years ago
dht proper lokimq -> oxenmq refactor 3 years ago
dns Replace libuv with uvw & related refactoring 3 years ago
ev Replace libuv with uvw & related refactoring 3 years ago
exit nodedb refactor 3 years ago
handlers Replace libuv with uvw & related refactoring 3 years ago
hook The Great Wall of Blame 4 years ago
iwp Replace libuv with uvw & related refactoring 3 years ago
link Replace libuv with uvw & related refactoring 3 years ago
linux Removed RPI definition 4 years ago
messages nodedb refactor 3 years ago
net Replace libuv with uvw & related refactoring 3 years ago
path plug memory leak in outbound message queue. 3 years ago
peerstats proper lokimq -> oxenmq refactor 3 years ago
router Replace libuv with uvw & related refactoring 3 years ago
routing Config file improvements (#1397) 4 years ago
rpc Replace libuv with uvw & related refactoring 3 years ago
service Replace libuv with uvw & related refactoring 3 years ago
simulation Replace libuv with uvw & related refactoring 3 years ago
tooling Replace libuv with uvw & related refactoring 3 years ago
util Replace libuv with uvw & related refactoring 3 years ago
vpn Replace libuv with uvw & related refactoring 3 years ago
win32 Config file improvements (#1397) 4 years ago
CMakeLists.txt Replace libuv with uvw & related refactoring 3 years ago
app.xml stray tag ;-; 6 years ago
bootstrap.cpp The Great Wall of Blame 4 years ago
bootstrap.hpp The Great Wall of Blame 4 years ago
context.cpp Replace libuv with uvw & related refactoring 3 years ago
nodedb.cpp nodedb refactor 3 years ago
nodedb.hpp add llarp::CSRNG for cryptographically secure random number generator for use in std::shuffle 3 years ago
pow.cpp The Great Wall of Blame 4 years ago
pow.hpp The Great Wall of Blame 4 years ago
profiling.cpp try fixing deadlock (#1454) 4 years ago
profiling.hpp try fixing deadlock (#1454) 4 years ago
router_contact.cpp nodedb refactor 3 years ago
router_contact.hpp nodedb refactor 3 years ago
router_id.cpp proper lokimq -> oxenmq refactor 3 years ago
router_id.hpp nodedb refactor 3 years ago
router_version.cpp Config file improvements (#1397) 4 years ago
router_version.hpp The Great Wall of Blame 4 years ago
testnet.c prepare for 0.5.0 5 years ago