int32_t kn_epoll_loop(kn_proactor_t p,int32_t ms)
{
uint64_t sleep_ms;
uint64_t timeout = kn_systemms64() + (uint64_t)ms;
uint64_t current_tick;
int32_t nfds;
int32_t i;
uint64_t l_now;
kn_dlist* actived;
kn_fd_t s;
kn_epoll* ep = (kn_epoll*)p;
if(ms < 0) ms = 0;
do{
if(!kn_dlist_empty(&p->connecting)){
l_now = kn_systemms64();
kn_dlist_check_remove(&p->connecting,check_connect_timeout,(void*)&l_now);
}
actived = kn_proactor_activelist(p);
if(!kn_dlist_empty(actived)){
p->actived_index = (p->actived_index+1)%2;
while((s = (kn_fd_t)kn_dlist_pop(actived)) != NULL){
if(s->process(s))
kn_procator_putin_active(p,s);
}
}
current_tick = kn_systemms64();
actived = kn_proactor_activelist(p);
if(kn_dlist_empty(actived))
sleep_ms = timeout > current_tick ? timeout - current_tick:0;
else
sleep_ms = 0;
nfds = _epoll_wait(ep->epfd,ep->events,ep->eventsize,(uint32_t)sleep_ms);
if(nfds < 0)
return -1;
for(i=0; i < nfds ; ++i)
{
s = (kn_fd_t)ep->events[i].data.ptr;
s->on_active(s,ep->events[i].events);
}
current_tick = kn_systemms64();
}while(timeout > current_tick);
return 0;
}
static inline kn_dlist* get_neighbors(AStar_t astar,AStarNode *node)
{
clear_neighbors(astar);
int32_t i = 0;
for( ; i < 8; ++i)
{
int x = node->x + direction[i][0];
int y = node->y + direction[i][1];
AStarNode *tmp = get_node(astar,x,y);
if(tmp){
if(tmp->list_node.pre || tmp->list_node.next)
continue;//在close表中,不处理
if(!tmp->block)
kn_dlist_push(&astar->neighbors,(kn_dlist_node*)tmp);
}
}
if(kn_dlist_empty(&astar->neighbors))
return NULL;
else
return &astar->neighbors;
}
static inline void clear_neighbors(AStar_t astar){
while(!kn_dlist_empty(&astar->neighbors))
kn_dlist_pop(&astar->neighbors);
}