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#ifndef LLARP_HPP
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#define LLARP_HPP
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#include <llarp.h>
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#include <util/fs.hpp>
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#include <util/types.hpp>
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#include <ev/ev.hpp>
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#include <iostream>
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#include <map>
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#include <memory>
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#include <string>
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#include <vector>
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struct llarp_ev_loop;
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struct llarp_nodedb;
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struct llarp_nodedb_iter;
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struct llarp_main;
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#ifdef LOKINET_HIVE
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namespace tooling
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{
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struct RouterHive;
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} // namespace tooling
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#endif
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namespace llarp
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{
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class Logic;
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struct AbstractRouter;
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struct Config;
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struct Crypto;
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struct CryptoManager;
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struct RouterContact;
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namespace thread
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{
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class ThreadPool;
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}
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struct Context
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{
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/// get context from main pointer
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static std::shared_ptr<Context>
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Get(llarp_main*);
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De-abseil, part 2: mutex, locks, (most) time
- util::Mutex is now a std::shared_timed_mutex, which is capable of
exclusive and shared locks.
- util::Lock is still present as a std::lock_guard<util::Mutex>.
- the locking annotations are preserved, but updated to the latest
supported by clang rather than using abseil's older/deprecated ones.
- ACQUIRE_LOCK macro is gone since we don't pass mutexes by pointer into
locks anymore (WTF abseil).
- ReleasableLock is gone. Instead there are now some llarp::util helper
methods to obtain unique and/or shared locks:
- `auto lock = util::unique_lock(mutex);` gets an RAII-but-also
unlockable object (std::unique_lock<T>, with T inferred from
`mutex`).
- `auto lock = util::shared_lock(mutex);` gets an RAII shared (i.e.
"reader") lock of the mutex.
- `auto lock = util::unique_locks(mutex1, mutex2, mutex3);` can be
used to atomically lock multiple mutexes at once (returning a
tuple of the locks).
This are templated on the mutex which makes them a bit more flexible
than using a concrete type: they can be used for any type of lockable
mutex, not only util::Mutex. (Some of the code here uses them for
getting locks around a std::mutex). Until C++17, using the RAII types
is painfully verbose:
```C++
// pre-C++17 - needing to figure out the mutex type here is annoying:
std::unique_lock<util::Mutex> lock(mutex);
// pre-C++17 and even more verbose (but at least the type isn't needed):
std::unique_lock<decltype(mutex)> lock(mutex);
// our compromise:
auto lock = util::unique_lock(mutex);
// C++17:
std::unique_lock lock(mutex);
```
All of these functions will also warn (under gcc or clang) if you
discard the return value. You can also do fancy things like
`auto l = util::unique_lock(mutex, std::adopt_lock)` (which lets a
lock take over an already-locked mutex).
- metrics code is gone, which also removes a big pile of code that was
only used by metrics:
- llarp::util::Scheduler
- llarp::thread::TimerQueue
- llarp::util::Stopwatch
5 years ago
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Context() = default;
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std::unique_ptr<Crypto> crypto;
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std::unique_ptr<CryptoManager> cryptoManager;
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std::unique_ptr<AbstractRouter> router;
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std::shared_ptr<thread::ThreadPool> worker;
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std::shared_ptr<Logic> logic;
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std::unique_ptr<Config> config;
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std::unique_ptr<llarp_nodedb> nodedb;
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llarp_ev_loop_ptr mainloop;
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std::string nodedb_dir;
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bool
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LoadConfig(const std::string& fname, bool isRelay);
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void
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Close();
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int
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LoadDatabase();
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int
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Setup();
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int
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Run(llarp_main_runtime_opts opts);
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void
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HandleSignal(int sig);
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bool
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Configure(bool isRelay, std::optional<fs::path> dataDir);
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bool
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IsUp() const;
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bool
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LooksAlive() const;
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/// close async
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void
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CloseAsync();
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/// wait until closed and done
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void
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Wait();
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/// call a function in logic thread
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/// return true if queued for calling
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/// return false if not queued for calling
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bool
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CallSafe(std::function<void(void)> f);
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#ifdef LOKINET_HIVE
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void
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InjectHive(tooling::RouterHive* hive);
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#endif
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private:
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void
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SigINT();
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std::string configfile;
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std::unique_ptr<std::promise<void>> closeWaiter;
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};
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} // namespace llarp
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#endif
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