std::error_code
PollPoller::update_dispatcher(Dispatcher &dispatcher) {
assert(dispatchers_.find(dispatcher.get_fd()) != dispatchers_.end());
int sock = dispatcher.get_fd();
struct pollfd &pd = fds_[dispatcher.get_index()];
pd.events = 0;
if (dispatcher.readable()) {
pd.events |= POLLIN;
}
if (dispatcher.writable()) {
pd.events |= POLLOUT;
}
return LS_OK_ERROR();
}
std::error_code PollPoller::add_dispatcher(Dispatcher &dispatcher) {
assert(dispatchers_.find(dispatcher.get_fd()) == dispatchers_.end());
int sock = dispatcher.get_fd();
struct pollfd pd;
pd.fd = sock;
pd.events = 0;
if (dispatcher.readable()) {
pd.events |= POLLIN;
}
if (dispatcher.writable()) {
pd.events |= POLLOUT;
}
dispatcher.set_index(fds_.size());
fds_.push_back(pd);
dispatchers_[dispatcher.get_fd()] = &dispatcher;
return LS_OK_ERROR();
}