static void(loop_stop)()
{
uv_stop(loop);
uv_idle_t* idle = s_malloc0(sizeof(*idle));
uv_idle_init(loop, idle);
uv_idle_start(idle, loop_stop_cb);
}
void App::close()
{
m_network->stop();
Workers::stop();
uv_stop(uv_default_loop());
}
static int
elops_destroy_context2_uv(struct lws_context *context)
{
struct lws_context_per_thread *pt;
int n, internal = 0;
for (n = 0; n < context->count_threads; n++) {
pt = &context->pt[n];
/* only for internal loops... */
if (!pt->event_loop_foreign && pt->uv.io_loop) {
internal = 1;
if (!context->finalize_destroy_after_internal_loops_stopped)
uv_stop(pt->uv.io_loop);
else {
#if UV_VERSION_MAJOR > 0
uv_loop_close(pt->uv.io_loop);
#endif
lws_free_set_NULL(pt->uv.io_loop);
}
}
}
return internal;
}
void
lws_libuv_destroyloop(struct lws_context *context, int tsi)
{
struct lws_context_per_thread *pt = &context->pt[tsi];
int m;
if (!(context->options & LWS_SERVER_OPTION_LIBUV))
return;
if (!pt->io_loop_uv)
return;
if (context->use_ev_sigint)
uv_signal_stop(&pt->w_sigint.uv_watcher);
for (m = 0; m < ARRAY_SIZE(sigs); m++)
uv_signal_stop(&pt->signals[m]);
if (!pt->ev_loop_foreign) {
uv_stop(pt->io_loop_uv);
uv_walk(pt->io_loop_uv, lws_uv_walk_cb, NULL);
while (uv_run(pt->io_loop_uv, UV_RUN_NOWAIT));
m = uv_loop_close(pt->io_loop_uv);
if (m == UV_EBUSY)
lwsl_debug("%s: uv_loop_close: UV_EBUSY\n", __func__);
lws_free(pt->io_loop_uv);
}
}
void thread_pool_async_cb(uv_async_t* async) {
ThreadPool* l = static_cast<ThreadPool*>((Loop*)(async->data));
function<void()> fn;
while (true) {
l->mutex_.lock();
if (l->queue_.size() == 0) {
if (l->stop_) {
if (l->count_ == 0) {
uv_stop(l->loop_);
uv_close((uv_handle_t*)&l->async_, NULL);
}
}
l->mutex_.unlock();
break;
}
fn = l->queue_.front();
l->queue_.pop_front();
l->mutex_.unlock();
// post fn to threadpool
uv_work_t* w = new uv_work_t();
w->data = new ThreadPool::work_data(l, fn);
++(l->count_); // add to the counter, only happens in the loop thread
uv_queue_work(l->loop_, w, work_cb, after_work);/*start work_cb , finish function is after_work*/
}
}
static int unload_module(void) {
unsigned int i = 0;
LNOTICE("unloaded module %s", module_name);
for (i = 0; i < profile_size; i++) {
close_socket(i);
free_profile(i);
}
#if UV_VERSION_MAJOR == 0
uv_async_send(&async_handle);
uv_loop_delete(loop);
#else
if (uv_loop_alive(loop)) {
uv_async_send(&async_handle);
}
uv_stop(loop);
uv_loop_close(loop);
free(loop);
#endif
/* Close socket */
return 0;
}
static void jl_signal_async_cb(uv_async_t *hdl)
{
// This should abort the current loop and the julia code it returns to
// or the safepoint in the callers of `uv_run` should throw the exception.
(void)hdl;
uv_stop(jl_io_loop);
}
bool
as_event_send_close_loop(as_event_loop* event_loop)
{
// Send stop command through queue so it can be executed in event loop thread.
pthread_mutex_lock(&event_loop->lock);
as_uv_command qcmd = {.type = AS_UV_EXIT_LOOP, .ptr = 0};
bool queued = as_queue_push(&event_loop->queue, &qcmd);
pthread_mutex_unlock(&event_loop->lock);
if (queued) {
uv_async_send(event_loop->wakeup);
}
return queued;
}
void
as_event_close_loop(as_event_loop* event_loop)
{
uv_close((uv_handle_t*)event_loop->wakeup, as_uv_wakeup_closed);
// Only stop event loop if client created event loop.
if (as_event_threads_created) {
uv_stop(event_loop->loop);
}
// Cleanup event loop resources.
as_queue_destroy(&event_loop->queue);
as_queue_destroy(&event_loop->pipe_cb_queue);
pthread_mutex_unlock(&event_loop->lock);
pthread_mutex_destroy(&event_loop->lock);
}
int wsn_client_start(wsn_client_ctx_t *client)
{
int err = 0;
if (wsn_is_pipe(client->conf)) {
err = wsn_client_start_connect_(client);
if (err) {
uv_stop(client->loop);
}
return err;
}
struct addrinfo hints;
memset(&hints, 0, sizeof(hints));
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;
connect_timer_reset_(client);
err = uv_getaddrinfo(client->loop,
&client->getaddrinfo_req,
on_get_host_addrs_,
client->conf->host,
NULL,
&hints);
if (err) {
wsn_report_err(WSN_ERR_GET_ADDR_INFO,
"Failed to start client to (\"%s\"), getaddrinfo error: %s",
client->conf->host, uv_strerror(err));
err = WSN_ERR_GET_ADDR_INFO;
}
return err;
}
// =============================================================================
static void read_stdin (uv_stream_t *stream, ssize_t nread, uv_buf_t buf)
{
UNUSED (stream);
if (nread == -1)
{
if (uv_last_error (uv_default_loop ()).code == UV_EOF)
{
uv_close ((uv_handle_t *) &stdin_pipe, NULL);
}
}
else if (nread > 0)
{
std::string cmd (buf.base, nread);
if (HF::Application::Handle (cmd))
{
transport.destroy ();
uv_stop (uv_default_loop ());
}
}
if (buf.base)
{
free (buf.base);
}
}
static void timer_cb(uv_timer_t* handle) {
ASSERT(handle == &timer_handle);
timer_called++;
if (timer_called == 1)
uv_stop(uv_default_loop());
else if (timer_called == num_ticks)
uv_timer_stop(handle);
}
void echo_read(uv_stream_t *client, ssize_t nread, const uv_buf_t *buf) {
char *str = malloc(nread + 1);
strncpy(str, buf->base, nread);
str[nread] = '\0';
printf("%s\n", str);
free(str);
uv_stop(loop);
}
static void
lws_libuv_kill(const struct lws_context *context)
{
int n;
for (n = 0; n < context->count_threads; n++)
if (context->pt[n].io_loop_uv && LWS_LIBUV_ENABLED(context))
uv_stop(context->pt[n].io_loop_uv);
}
static void on_get_host_addrs_(uv_getaddrinfo_t *req, int status, struct addrinfo *addrs)
{
wsn_client_ctx_t *client = CONTAINER_OF(req, wsn_client_ctx_t, getaddrinfo_req);
uv_timer_stop(&client->timer_handle);
if (status < 0) {
wsn_report_err(WSN_ERR_GET_ADDR_INFO, "Failed to getaddrinfo for client to (\"%s\"): %s",
client->conf->host, uv_strerror(status));
uv_freeaddrinfo(addrs);
return;
}
int ipv4_naddrs = 0;
int ipv6_naddrs = 0;
for (struct addrinfo *ai = addrs; ai != NULL; ai = ai->ai_next) {
if (ai->ai_family == AF_INET) {
ipv4_naddrs += 1;
} else if (ai->ai_family == AF_INET6) {
ipv6_naddrs += 1;
}
}
if (ipv4_naddrs == 0 && ipv6_naddrs == 0) {
wsn_report_err(WSN_ERR_GET_ADDR_INFO, "Remote host (\"%s\") has no IPv4/6 addresses",
client->conf->host);
uv_freeaddrinfo(addrs);
return;
}
union {
struct sockaddr addr;
struct sockaddr_in addr4;
struct sockaddr_in6 addr6;
} s;
for (struct addrinfo *ai = addrs; ai != NULL; ai = ai->ai_next) {
if (ai->ai_family == AF_INET) {
s.addr4 = *(const struct sockaddr_in *) ai->ai_addr;
s.addr4.sin_port = htons(client->conf->port);
} else if (ai->ai_family == AF_INET6) {
s.addr6 = *(const struct sockaddr_in6 *) ai->ai_addr;
s.addr6.sin6_port = htons(client->conf->port);
} else {
continue;
}
client->host_addr = s.addr;
break;
}
uv_freeaddrinfo(addrs);
if (wsn_client_start_connect_(client) != 0) {
uv_stop(client->loop);
return;
}
}
void loop_on_put(MultiQueue *queue, void *data)
{
Loop *loop = data;
// Sometimes libuv will run pending callbacks(timer for example) before
// blocking for a poll. If this happens and the callback pushes a event to one
// of the queues, the event would only be processed after the poll
// returns(user hits a key for example). To avoid this scenario, we call
// uv_stop when a event is enqueued.
uv_stop(&loop->uv);
}
// Queue an event
void event_push(Event event, bool deferred)
{
// Sometimes libuv will run pending callbacks(timer for example) before
// blocking for a poll. If this happens and the callback pushes a event to one
// of the queues, the event would only be processed after the poll
// returns(user hits a key for example). To avoid this scenario, we call
// uv_stop when a event is enqueued.
uv_stop(uv_default_loop());
*kl_pushp(Event, deferred ? deferred_events : immediate_events) = event;
}
void
lws_libuv_destroyloop(struct lws_context *context, int tsi)
{
struct lws_context_per_thread *pt = &context->pt[tsi];
// struct lws_context *ctx;
int m, budget = 100, ns;
if (!lws_check_opt(context->options, LWS_SERVER_OPTION_LIBUV))
return;
if (!pt->io_loop_uv)
return;
lwsl_notice("%s: closing signals + timers context %p\n", __func__, context);
if (context->use_ev_sigint) {
uv_signal_stop(&pt->w_sigint.uv_watcher);
ns = ARRAY_SIZE(sigs);
if (lws_check_opt(context->options, LWS_SERVER_OPTION_UV_NO_SIGSEGV_SIGFPE_SPIN))
ns = 2;
for (m = 0; m < ns; m++) {
uv_signal_stop(&pt->signals[m]);
uv_close((uv_handle_t *)&pt->signals[m], lws_uv_close_cb);
}
}
uv_timer_stop(&pt->uv_timeout_watcher);
uv_close((uv_handle_t *)&pt->uv_timeout_watcher, lws_uv_close_cb);
uv_idle_stop(&pt->uv_idle);
uv_close((uv_handle_t *)&pt->uv_idle, lws_uv_close_cb);
if (pt->ev_loop_foreign)
return;
while (budget-- && uv_run(pt->io_loop_uv, UV_RUN_NOWAIT))
;
lwsl_notice("%s: closing all loop handles context %p\n", __func__, context);
uv_stop(pt->io_loop_uv);
uv_walk(pt->io_loop_uv, lws_uv_walk_cb, NULL);
while (uv_run(pt->io_loop_uv, UV_RUN_NOWAIT))
;
#if UV_VERSION_MAJOR > 0
m = uv_loop_close(pt->io_loop_uv);
if (m == UV_EBUSY)
lwsl_err("%s: uv_loop_close: UV_EBUSY\n", __func__);
#endif
lws_free(pt->io_loop_uv);
}
static void uv_finit(void)
{
//uv_unref((uv_handle_t*)&g_timer);
uv_timer_stop(&g_timer);
uv_stop(&g_loop);
uv_async_init(&g_loop, &g_async, NULL);
uv_async_send(&g_async);
uv_thread_join(&g_loop_thread);
if (g_sys) delete g_sys;
//if (g_remote) delete g_remote;
}
void Thread::stop()
{
if (!this->is_started.exchange(false))
{
LOG(INFO) << "Thread " << static_cast<void*>(this) << " already stopped";
return;
}
uv_stop(&this->loop);
uv_async_send(&this->async);
uv_thread_join(&this->thread_id);
}
static void resume(WrenValue* method)
{
WrenInterpretResult result = wrenCall(getVM(), method);
// If a runtime error occurs in response to an async operation and nothing
// catches the error in the fiber, then exit the CLI.
if (result == WREN_RESULT_RUNTIME_ERROR)
{
uv_stop(getLoop());
setExitCode(70); // EX_SOFTWARE.
}
}
static void
lws_libuv_kill(const struct lws_context *context)
{
int n;
lwsl_notice("%s\n", __func__);
for (n = 0; n < context->count_threads; n++)
if (context->pt[n].io_loop_uv &&
LWS_LIBUV_ENABLED(context) )//&&
//!context->pt[n].ev_loop_foreign)
uv_stop(context->pt[n].io_loop_uv);
}
JL_DLLEXPORT void jl_wakeup_thread(int16_t tid)
{
jl_ptls_t ptls = jl_get_ptls_states();
/* ensure thread tid is awake if necessary */
if (ptls->tid != tid && !_threadedregion && tid != -1) {
uv_mutex_lock(&sleep_lock);
uv_cond_broadcast(&sleep_alarm); // TODO: make this uv_cond_signal / just wake up correct thread
uv_mutex_unlock(&sleep_lock);
}
if (_threadedregion && jl_uv_mutex.owner != jl_thread_self())
jl_wake_libuv();
else
uv_stop(jl_global_event_loop());
}
static
void stop_server_handler(uv_signal_t* handle, int signum) {
const char *sig;
if (signum == SIGINT) {
sig = "SIGINT";
} else if (signum == SIGTERM) {
sig = "SIGTERM";
} else {
// Ignore unknown signal
return;
}
log_warn("Received %s, gracefully terminating broker...\n", sig);
Broker* broker = handle->loop->data;
broker_stop(broker);
uv_stop(handle->loop);
}
static void address_cb(uv_getaddrinfo_t *req, int status, struct addrinfo *addrs)
{
struct addrinfo *ai;
char addrbuf[INET6_ADDRSTRLEN + 1];
const void *addrv;
union {
struct sockaddr addr;
struct sockaddr_in addr4;
struct sockaddr_in6 addr6;
} s;
if (status < 0)
{
printf("get address info has cancel it\n");
return;
}
for (ai = addrs; ai != NULL; ai = ai->ai_next)
{
printf("==> GET AN ADDRESS\n");
printf(" FAMILY:%s\n",ai->ai_family == AF_INET ? "IPV4" : "IPV6");
if (ai->ai_family == AF_INET)
{
s.addr4 = *(const struct sockaddr_in *)ai->ai_addr;
addrv = &s.addr4.sin_addr;
}
else if (ai->ai_family == AF_INET6)
{
s.addr6 = *(const struct sockaddr_in6 *)ai->ai_addr;
addrv = &s.addr6.sin6_addr;
}
else
{
printf("UNREACHABLE\n");
return;
}
if (uv_inet_ntop(s.addr.sa_family, addrv, addrbuf, sizeof(addrbuf)))
{
printf("UNREACHABLE\n");
return;
}
printf(" ADDRESS:%s\n",addrbuf);
}
uv_freeaddrinfo(addrs);
uv_stop(uv_default_loop());
}
static void callResume(WrenValue* resumeMethod, WrenValue* fiber,
const char* argTypes, ...)
{
va_list args;
va_start(args, argTypes);
WrenInterpretResult result = wrenCallVarArgs(getVM(), resumeMethod, NULL,
argTypes, args);
va_end(args);
wrenReleaseValue(getVM(), fiber);
// If a runtime error occurs in response to an async operation and nothing
// catches the error in the fiber, then exit the CLI.
if (result == WREN_RESULT_RUNTIME_ERROR)
{
uv_stop(getLoop());
setExitCode(70); // EX_SOFTWARE.
}
}
static void
lws_uv_close_cb_sa(uv_handle_t *handle)
{
struct lws_context *context =
LWS_UV_REFCOUNT_STATIC_HANDLE_TO_CONTEXT(handle);
int n;
lwsl_info("%s: sa left %d: dyn left: %d\n", __func__,
context->count_event_loop_static_asset_handles,
context->count_wsi_allocated);
/* any static assets left? */
if (LWS_UV_REFCOUNT_STATIC_HANDLE_DESTROYED(handle) ||
context->count_wsi_allocated)
return;
/*
* That's it... all wsi were down, and now every
* static asset lws had a UV handle for is down.
*
* Stop the loop so we can get out of here.
*/
for (n = 0; n < context->count_threads; n++) {
struct lws_context_per_thread *pt = &context->pt[n];
if (pt->uv.io_loop && !pt->event_loop_foreign)
uv_stop(pt->uv.io_loop);
}
if (!context->pt[0].event_loop_foreign) {
lwsl_info("%s: calling lws_context_destroy2\n", __func__);
lws_context_destroy2(context);
}
lwsl_info("%s: all done\n", __func__);
}
// worker主动调用finish_session
int worker_stop(ls_worker_t* w) {
LOG(" worker_stop(%p)\n", w);
// stop all sessions in the worker
for (size_t i = 0; i < w->sessions->size(); ++i) {
if (finish_session((*w->sessions)[i]) < 0) {
LOG("ERROR failed to finish_session()\n");
// return -1;// 确保所有session都执行了session_destroy()
}
}
for (size_t i = 0; i < master.num_plugins; ++i) {
ls_plugin_t* plugin = master.plugins + i;
if (plugin->worker_terminate(w), 0) {
LOGE(" %s.worker_terminate() error\n", plugin->plugin_name);
// return -1;
}
}
uv_stop(w->worker_loop);
return 0;
}
void async_cb(uv_async_t* async) {
Loop* l = (Loop*)(async->data);
function<void()> fn;
static int t = 0;
// printf("async_cb time %d size %d\n", t, (int)l->queue_.size());
while (true) {
l->mutex_.lock();
if (l->queue_.size() == 0) {
if (l->stop_) {
uv_stop(l->loop_);
uv_close((uv_handle_t*)&l->async_, NULL);
}
l->mutex_.unlock();
break;
}
fn = l->queue_.front();
l->queue_.pop_front();
l->mutex_.unlock();
fn();
// printf("async_cb time %d size %d\n", t, (int)l->queue_.size());
}
t++;
}
void EventBase_endLoop(struct EventBase* eventBase)
{
struct EventBase_pvt* ctx = Identity_cast((struct EventBase_pvt*) eventBase);
uv_stop(ctx->loop);
}
void on_close(uv_handle_t * handle)
{
//free(handle);
uv_stop(handle->loop);
}
