eventcore/source/eventcore/drivers/winapi/driver.d
2017-06-24 22:31:16 +02:00

80 lines
2.5 KiB
D

/**
WinAPI based event driver implementation.
This driver uses overlapped I/O to model asynchronous I/O operations
efficiently. The driver's event loop processes UI messages, so that
it integrates with GUI applications transparently.
*/
module eventcore.drivers.winapi.driver;
version (Windows):
import eventcore.driver;
import eventcore.drivers.timer;
import eventcore.drivers.winapi.core;
import eventcore.drivers.winapi.dns;
import eventcore.drivers.winapi.events;
import eventcore.drivers.winapi.files;
import eventcore.drivers.winapi.signals;
import eventcore.drivers.winapi.sockets;
import eventcore.drivers.winapi.watchers;
import core.sys.windows.windows;
static assert(HANDLE.sizeof <= FD.BaseType.sizeof);
static assert(FD(cast(int)INVALID_HANDLE_VALUE) == FD.init);
final class WinAPIEventDriver : EventDriver {
private {
WinAPIEventDriverCore m_core;
WinAPIEventDriverFiles m_files;
WinAPIEventDriverSockets m_sockets;
WinAPIEventDriverDNS m_dns;
LoopTimeoutTimerDriver m_timers;
WinAPIEventDriverEvents m_events;
WinAPIEventDriverSignals m_signals;
WinAPIEventDriverWatchers m_watchers;
}
static WinAPIEventDriver threadInstance;
this()
@safe {
assert(threadInstance is null);
threadInstance = this;
import std.exception : enforce;
WSADATA wd;
enforce(() @trusted { return WSAStartup(0x0202, &wd); } () == 0, "Failed to initialize WinSock");
m_signals = new WinAPIEventDriverSignals();
m_timers = new LoopTimeoutTimerDriver();
m_core = new WinAPIEventDriverCore(m_timers);
m_events = new WinAPIEventDriverEvents(m_core);
m_files = new WinAPIEventDriverFiles(m_core);
m_sockets = new WinAPIEventDriverSockets(m_core);
m_dns = new WinAPIEventDriverDNS();
m_watchers = new WinAPIEventDriverWatchers(m_core);
}
@safe: /*@nogc:*/ nothrow:
override @property WinAPIEventDriverCore core() { return m_core; }
override @property WinAPIEventDriverFiles files() { return m_files; }
override @property WinAPIEventDriverSockets sockets() { return m_sockets; }
override @property WinAPIEventDriverDNS dns() { return m_dns; }
override @property LoopTimeoutTimerDriver timers() { return m_timers; }
override @property WinAPIEventDriverEvents events() { return m_events; }
override @property shared(WinAPIEventDriverEvents) events() shared { return m_events; }
override @property WinAPIEventDriverSignals signals() { return m_signals; }
override @property WinAPIEventDriverWatchers watchers() { return m_watchers; }
override void dispose()
{
m_events.dispose();
assert(threadInstance !is null);
threadInstance = null;
}
}