io_handler.c
2.32 KB
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/**
* \file
*
* \author Georg Hopp
*
* \copyright
* Copyright © 2014 Georg Hopp
*
* 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 3 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 <unistd.h>
#include "trbase.h"
#include "trevent.h"
#include "tr/io_handler.h"
#include "tr/comm_end_point.h"
#include "tr/interface/comm_end_point.h"
static
int
ioHandlerCtor(void * _this, va_list * params)
{
TR_PARENTCALL(TR_IoHandler, _this, TR_Class, ctor, params);
return 0;
}
static void ioHandlerDtor(void * _this) {}
static
int
ioHandlerRead(void * _this, TR_Event event)
{
TR_CommEndPoint endpoint = (TR_CommEndPoint)event->subject;
if (TR_cepBufferRead(endpoint)) {
TR_eventHandlerIssueEvent(
(TR_EventHandler)_this,
event->subject,
TR_CEP_EVENT_NEW_DATA,
NULL);
}
return TRUE;
}
static
int
ioHandlerWrite(void * _this, TR_Event event)
{
TR_CommEndPoint endpoint = (TR_CommEndPoint)event->subject;
if (TR_cepWriteBuffered(endpoint)) {
if (TR_cepHasPendingData(endpoint)) {
TR_eventHandlerIssueEvent(
(TR_EventHandler)_this,
event->subject,
TR_CEP_EVENT_PENDING_DATA,
NULL);
} else {
TR_eventHandlerIssueEvent(
(TR_EventHandler)_this,
event->subject,
TR_CEP_EVENT_END_DATA,
NULL);
}
}
return TRUE;
}
static
void
ioHandlerCvInit(TR_class_ptr cls)
{
TR_EVENT_HANDLER_SET_METHOD(
cls,
TR_CommEndPoint,
TR_CEP_EVENT_READ_READY,
ioHandlerRead);
TR_EVENT_HANDLER_SET_METHOD(
cls,
TR_CommEndPoint,
TR_CEP_EVENT_WRITE_READY,
ioHandlerWrite);
}
TR_INSTANCE(TR_Hash, ioHandlerEventMethods);
TR_INIT_IFACE(TR_Class, ioHandlerCtor, ioHandlerDtor, NULL);
TR_CREATE_CLASS(
TR_IoHandler,
TR_EventHandler,
ioHandlerCvInit,
TR_IF(TR_Class)) = {
{ &(_ioHandlerEventMethods.data) }
};
// vim: set ts=4 sw=4: