void middleman_event_handler::alteration(continuable* ptr,
event_bitmask e,
fd_meta_event etype) {
native_socket_type fd;
switch (e) {
case event::read:
fd = ptr->read_handle();
break;
case event::write: {
fd = ptr->write_handle();
break;
}
case event::both: {
fd = ptr->read_handle();
auto wrfd = ptr->write_handle();
if (fd != wrfd) {
CPPA_LOG_DEBUG("read_handle != write_handle, split "
"into two function calls");
// split into two function calls
e = event::read;
alteration(ptr, event::write, etype);
}
break;
}
default:
CPPA_CRITICAL("invalid bitmask");
return;
}
m_alterations.emplace_back(fd_meta_info(fd, ptr, e), etype);
}
void alteration(const continuable_reader_ptr& ptr,
event_bitmask e,
fd_meta_event etype) {
native_socket_type fd;
switch (e) {
case event::read:
fd = ptr->read_handle();
break;
case event::write: {
auto wptr = ptr->as_io();
if (wptr) fd = wptr->write_handle();
else {
CPPA_LOG_ERROR("ptr->downcast() returned nullptr");
return;
}
break;
}
case event::both: {
fd = ptr->read_handle();
auto wptr = ptr->as_io();
if (wptr) {
auto wrfd = wptr->write_handle();
if (fd != wrfd) {
CPPA_LOG_DEBUG("read_handle != write_handle, split "
"into two function calls");
// split into two function calls
e = event::read;
alteration(ptr, event::write, etype);
}
}
else {
CPPA_LOG_ERROR("ptr->downcast() returned nullptr");
return;
}
break;
}
default:
CPPA_LOG_ERROR("invalid bitmask");
return;
}
m_alterations.emplace_back(fd_meta_info(fd, ptr, e), etype);
}
void erase(const continuable_reader_ptr& ptr, event_bitmask e) {
CPPA_LOG_TRACE("ptr = " << ptr.get() << ", e = " << eb2str(e));
alteration(ptr, e, fd_meta_event::erase);
}
void middleman_event_handler::erase_later(continuable* ptr, event_bitmask e) {
CPPA_LOG_TRACE(CPPA_ARG(ptr) << ", e = " << eb2str(e));
alteration(ptr, e, fd_meta_event::erase);
}
void middleman_event_handler::add_later(continuable* ptr, event_bitmask e) {
CPPA_LOG_TRACE(CPPA_ARG(ptr) << ", "
<< CPPA_TARG(e, eb2str)
<< ", socket = " << ptr->read_handle());
alteration(ptr, e, fd_meta_event::add);
}
