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/*
Copyright (C) 2009 Red Hat, Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of
the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "common.h"
#include "events_loop.h"
#include "debug.h"
#include "utils.h"
EventsLoop::EventsLoop()
{
}
EventsLoop::~EventsLoop()
{
}
void EventsLoop::run()
{
for (;;) {
run_once();
}
}
void EventsLoop::run_once(int timeout_milli)
{
DWORD wait_res = WaitForMultipleObjects(_handles.size(), &_handles[0], FALSE, timeout_milli);
if (wait_res == WAIT_FAILED) {
THROW("wait failed");
}
int event_index = wait_res - WAIT_OBJECT_0;
if (event_index < 0 || event_index >= (int)_events.size()) {
THROW("invalid event id");
}
_events[event_index]->action();
}
void EventsLoop::add_socket(Socket& socket)
{
HANDLE event = CreateEvent(NULL, FALSE, FALSE, NULL);
if (!event) {
THROW("create event failed");
}
if (WSAEventSelect(socket.get_socket(), event, FD_READ | FD_WRITE | FD_CLOSE) == SOCKET_ERROR) {
CloseHandle(event);
THROW("event select failed");
}
int size = _events.size();
_events.resize(size + 1);
_handles.resize(size + 1);
_events[size] = &socket;
_handles[size] = event;
}
void EventsLoop::remove_socket(Socket& socket)
{
int size = _events.size();
for (int i = 0; i < size; i++) {
if (_events[i] == &socket) {
if (WSAEventSelect(socket.get_socket(), NULL, 0) == SOCKET_ERROR) {
THROW("event select failed");
}
u_long arg = 0;
if (ioctlsocket(socket.get_socket(), FIONBIO, &arg) == SOCKET_ERROR) {
THROW("set blocking mode failed");
}
CloseHandle(_handles[i]);
for (i++; i < size; i++) {
_events[i - 1] = _events[i];
_handles[i - 1] = _handles[i];
}
_events.resize(size - 1);
_handles.resize(size - 1);
return;
}
}
THROW("socket not found");
}
void EventsLoop::add_trigger(Trigger& trigger)
{
int size = _events.size();
_events.resize(size + 1);
_handles.resize(size + 1);
_events[size] = &trigger;
_handles[size] = trigger.get_handle();
}
void EventsLoop::remove_trigger(Trigger& trigger)
{
int size = _events.size();
for (int i = 0; i < size; i++) {
if (_events[i] == &trigger) {
for (i++; i < size; i++) {
_events[i - 1] = _events[i];
_handles[i - 1] = _handles[i];
}
_events.resize(size - 1);
_handles.resize(size - 1);
return;
}
}
THROW("trigger not found");
}
EventsLoop::Trigger::Trigger()
{
if (!(event = CreateEvent(NULL, FALSE, FALSE, NULL))) {
THROW("create event failed");
}
}
EventsLoop::Trigger::~Trigger()
{
CloseHandle(event);
}
void EventsLoop::Trigger::trigger()
{
if (!SetEvent(event)) {
THROW("set event failed");
}
}
void EventsLoop::Trigger::reset()
{
if (!ResetEvent(event)) {
THROW("set event failed");
}
}
void EventsLoop::Trigger::action()
{
on_event();
}
void EventsLoop::add_file(File& file)
{
}
void EventsLoop::remove_file(File& file)
{
}
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