|
|
|
#include <llarp/timer.h>
|
|
|
|
#include <atomic>
|
|
|
|
#include <condition_variable>
|
|
|
|
#include <list>
|
|
|
|
#include <map>
|
|
|
|
|
|
|
|
namespace llarp {
|
|
|
|
struct timer {
|
|
|
|
static uint64_t now() {
|
|
|
|
return std::chrono::duration_cast<std::chrono::milliseconds>(
|
|
|
|
std::chrono::steady_clock::now().time_since_epoch())
|
|
|
|
.count();
|
|
|
|
}
|
|
|
|
|
|
|
|
llarp_timer_context * parent;
|
|
|
|
void* user;
|
|
|
|
uint64_t started;
|
|
|
|
uint64_t timeout;
|
|
|
|
llarp_timer_handler_func func;
|
|
|
|
uint32_t id;
|
|
|
|
|
|
|
|
timer(llarp_timer_context * ctx=nullptr, uint64_t ms = 0, void* _user = nullptr,
|
|
|
|
llarp_timer_handler_func _func = nullptr, uint32_t _id=0)
|
|
|
|
: parent(ctx), user(_user), started(now()), timeout(ms), func(_func), id(_id) {}
|
|
|
|
|
|
|
|
|
|
|
|
void exec();
|
|
|
|
|
|
|
|
|
|
|
|
static void call(void * user)
|
|
|
|
{
|
|
|
|
static_cast<timer *>(user)->exec();
|
|
|
|
}
|
|
|
|
|
|
|
|
operator llarp_thread_job ()
|
|
|
|
{
|
|
|
|
return {this, timer::call};
|
|
|
|
}
|
|
|
|
|
|
|
|
};
|
|
|
|
}; // namespace llarp
|
|
|
|
|
|
|
|
struct llarp_timer_context {
|
|
|
|
llarp_threadpool * threadpool;
|
|
|
|
std::mutex timersMutex;
|
|
|
|
std::map<uint32_t, llarp::timer> timers;
|
|
|
|
std::mutex tickerMutex;
|
|
|
|
std::condition_variable ticker;
|
|
|
|
std::chrono::milliseconds nextTickLen = std::chrono::milliseconds(10);
|
|
|
|
|
|
|
|
uint32_t ids = 0;
|
|
|
|
std::atomic<bool> _run = true;
|
|
|
|
|
|
|
|
bool run() { return _run.load(); }
|
|
|
|
|
|
|
|
void stop() { _run.store(false); }
|
|
|
|
|
|
|
|
void cancel(uint32_t id, bool lockit = true) {
|
|
|
|
std::unique_lock<std::mutex>* lock = nullptr;
|
|
|
|
if (lockit) lock = new std::unique_lock<std::mutex>(timersMutex);
|
|
|
|
|
|
|
|
auto itr = timers.find(id);
|
|
|
|
if (itr != timers.end()) {
|
|
|
|
itr->second.exec();
|
|
|
|
}
|
|
|
|
|
|
|
|
if (lock) delete lock;
|
|
|
|
}
|
|
|
|
|
|
|
|
void remove(uint32_t id)
|
|
|
|
{
|
|
|
|
std::unique_lock<std::mutex> lock (timersMutex);
|
|
|
|
timers.erase(id);
|
|
|
|
}
|
|
|
|
|
|
|
|
uint32_t call_later(void* user, llarp_timer_handler_func func,
|
|
|
|
uint64_t timeout_ms) {
|
|
|
|
std::unique_lock<std::mutex> lock(timersMutex);
|
|
|
|
uint32_t id = ++ids;
|
|
|
|
timers[id] = llarp::timer(this, timeout_ms, user, func, id);
|
|
|
|
return id;
|
|
|
|
}
|
|
|
|
|
|
|
|
void cancel_all() {
|
|
|
|
std::unique_lock<std::mutex> lock(timersMutex);
|
|
|
|
|
|
|
|
std::list<uint32_t> ids;
|
|
|
|
|
|
|
|
for (auto& item : timers) {
|
|
|
|
ids.push_back(item.first);
|
|
|
|
}
|
|
|
|
|
|
|
|
for (auto id : ids) {
|
|
|
|
cancel(id, false);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
extern "C" {
|
|
|
|
|
|
|
|
struct llarp_timer_context* llarp_init_timer() {
|
|
|
|
return new llarp_timer_context;
|
|
|
|
}
|
|
|
|
|
|
|
|
uint32_t llarp_timer_call_later(struct llarp_timer_context* t,
|
|
|
|
struct llarp_timeout_job job) {
|
|
|
|
return t->call_later(job.user, job.handler, job.timeout);
|
|
|
|
}
|
|
|
|
|
|
|
|
void llarp_free_timer(struct llarp_timer_context** t) {
|
|
|
|
if (*t) delete *t;
|
|
|
|
*t = nullptr;
|
|
|
|
}
|
|
|
|
|
|
|
|
void llarp_timer_stop(struct llarp_timer_context* t) {
|
|
|
|
t->cancel_all();
|
|
|
|
t->stop();
|
|
|
|
}
|
|
|
|
|
|
|
|
void llarp_timer_cancel(struct llarp_timer_context* t, uint32_t id) {
|
|
|
|
t->cancel(id);
|
|
|
|
}
|
|
|
|
|
|
|
|
void llarp_timer_run(struct llarp_timer_context* t,
|
|
|
|
struct llarp_threadpool* pool) {
|
|
|
|
t->threadpool = pool;
|
|
|
|
while (t->run()) {
|
|
|
|
std::unique_lock<std::mutex> lock(t->tickerMutex);
|
|
|
|
t->ticker.wait_for(lock, t->nextTickLen);
|
|
|
|
// we woke up
|
|
|
|
auto now = llarp::timer::now();
|
|
|
|
auto itr = t->timers.begin();
|
|
|
|
while (itr != t->timers.end())
|
|
|
|
{
|
|
|
|
if(now - itr->second.started >= itr->second.timeout)
|
|
|
|
{
|
|
|
|
// timer hit
|
|
|
|
llarp_threadpool_queue_job(pool, itr->second);
|
|
|
|
}
|
|
|
|
++itr;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
namespace llarp
|
|
|
|
{
|
|
|
|
void timer::exec()
|
|
|
|
{
|
|
|
|
if (func) {
|
|
|
|
auto ms = now();
|
|
|
|
auto diff = ms - started;
|
|
|
|
if (diff >= timeout)
|
|
|
|
func(user, timeout, 0);
|
|
|
|
else
|
|
|
|
func(user, timeout, diff);
|
|
|
|
}
|
|
|
|
if(parent)
|
|
|
|
parent->remove(id);
|
|
|
|
}
|
|
|
|
}
|