add communication manager. These are the things that do poll, select, waitformul…

…tipleobjects or whatever.

+/**
+ * \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/>.
+ */
+
+#ifndef __TR_COMM_MANAGER_H__
+#define __TR_COMM_MANAGER_H__
+
+#include <sys/types.h>
+
+#include "trbase.h"
+#include "trevent.h"
+
+TR_CLASS(TR_CommManager) {
+	TR_EXTENDS(TR_EventHandler);
+
+	TR_CommEndPoint * endpoints;
+	nfds_t            n_endpoints;
+};
+TR_INSTANCE_INIT(TR_CommManager);
+TR_CLASSVARS_DECL(TR_CommManager) {
+	TR_CV_EXTENDS(TR_EventHandler);
+};
+
+void TR_commManagerAddEndpoint(void *, TR_CommEndPoint);
+int  TR_commManagerShutdown(void * _this, TR_Event event);
+
+#endif // __TR_COMM_MANAGER_H__
+
+// vim: set ts=4 sw=4:
+

+/**
+ * \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/>.
+ */
+
+#ifndef __TR_COMM_MANAGER_POLL_H__
+#define __TR_COMM_MANAGER_POLL_H__
+
+#include <sys/types.h>
+#include <poll.h>
+
+#include "trbase.h"
+#include "trevent.h"
+
+TR_CLASS(TR_CommManagerPoll) {
+	TR_EXTENDS(TR_CommManager);
+
+	struct pollfd * fds;
+};
+TR_INSTANCE_INIT(TR_CommManagerPoll);
+TR_CLASSVARS_DECL(TR_CommManagerPoll) {
+	TR_CV_EXTENDS(TR_EventHandler);
+};
+
+#endif // __TR_COMM_MANAGER_POLL_H__
+
+// vim: set ts=4 sw=4:
+

+/**
+ * \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/>.
+ */
+
+#ifndef __TR_INTERFACE_COMM_MANAGER_H__
+#define __TR_INTERFACE_COMM_MANAGER_H__
+
+#include <sys/types.h>
+
+#include "trbase.h"
+#include "trevent.h"
+
+#include "tr/comm_end_point.h"
+
+typedef void (* fptr_TR_commManagerAddEndpoint)(void *, TR_CommEndPoint);
+typedef void (* fptr_TR_commManagerSelect)(void *, TR_Event, int);
+typedef void (* fptr_TR_commManagerEnableWrite)(void *, TR_Event);
+typedef void (* fptr_TR_commManagerDisableWrite)(void *, TR_Event);
+typedef void (* fptr_TR_commManagerClose)(void *, TR_Event);
+typedef void (* fptr_TR_commManagerShutdownRead)(void *, TR_Event);
+typedef void (* fptr_TR_commManagerShutdownRead)(void *, TR_Event);
+
+TR_INTERFACE(TR_CommManager) {
+	TR_IFID;
+	fptr_TR_commManagerAddEndpoint  addEndpoint;
+	fptr_TR_commManagerSelect       select;
+	fptr_TR_commManagerEnableWrite  enableWrite;
+	fptr_TR_commManagerDisableWrite disableWrite;
+	fptr_TR_commManagerClose        close;
+	fptr_TR_commManagerShutdownRead shutdownWrite;
+	fptr_TR_commManagerShutdownRead shutdownRead;
+};
+
+void TR_commManagerAddEndpoint(void *, TR_CommEndPoint);
+
+#endif // __TR_INTERFACE_COMM_MANAGER_H__
+
+// vim: set ts=4 sw=4:

@@ -54,6 +54,7 @@ commEndPointDtor(void * _this)
 {
 	TR_CommEndPoint this = _this;
 
+	TR_delete(this->transport);
 	TR_delete(this->read_buffer);
 	TR_delete(this->write_buffer);
 }

+/**
+ * \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/comm_end_point.h"
+#include "tr/connection.h"
+#include "tr/comm_manager.h"
+#include "tr/interface/comm_manager.h"
+
+static
+int
+commManagerCtor(void * _this, va_list * params)
+{
+	TR_CommManager this = _this;
+
+	this->n_endpoints = sysconf(_SC_OPEN_MAX);
+	this->endpoints   = TR_calloc(sizeof(TR_CommEndPoint), this->n_endpoints);
+
+	return 0;
+}
+
+static
+void
+commManagerDtor(void * _this)
+{
+	TR_CommManager this = _this;
+	nfds_t         i;
+
+	for (i = 0; i < this->n_endpoints; i++) {
+		TR_delete(this->endpoints[i]);
+	}
+
+	TR_PARENTCALL(_this, TR_Class, dtor);
+}
+
+static
+int
+TR__commManagerAddEndpoint(void * _this, Event event)
+{
+	TR_commManagerAddEndpoint(
+			(TR_CommManager)_this,
+			(TR_CommEndPoint)event->subject);
+	return 1;
+}
+
+void TR_commManagerSelect(void *, TR_Event, int);
+void TR_commManagerEnableWrite(void *, TR_Event);
+void TR_commManagerDisableWrite(void *, TR_Event);
+void TR_commManagerClose(void *, TR_Event);
+void TR_commManagerShutdownRead(void *, TR_Event);
+void TR_commManagerShutdownRead(void *, TR_Event);
+
+static
+void
+commManagerCvInit(TR_class_ptr cls)
+{
+	TR_EVENT_HANDLER_SET_METHOD(
+			cls,
+			TR_EventDispatcher,
+			TR_DISPATCHER_EVENT_DATA_WAIT,
+			TR_commManagerSelect);
+
+	TR_EVENT_HANDLER_SET_METHOD(
+			cls,
+			TR_EventDispatcher,
+			TR_DISPATCHER_EVENT_SHUTDOWN,
+			TR_commManagerShutdown);
+
+	TR_EVENT_HANDLER_SET_METHOD(
+			cls,
+			TR_Connection,
+			TR_CON_EVENT_NEW_CON,
+			TR__commManagerAddEndpoint);
+
+	TR_EVENT_HANDLER_SET_METHOD(
+			cls,
+			TR_Connection,
+			TR_CON_EVENT_PENDING_DATA,
+			TR_commManagerEnableWrite);
+
+	TR_EVENT_HANDLER_SET_METHOD(
+			cls,
+			TR_Connection,
+			TR_CON_EVENT_END_DATA,
+			TR_commManagerDisableWrite);
+
+	TR_EVENT_HANDLER_SET_METHOD(
+			cls,
+			TR_CommEndPoint,
+			TR_CEP_EVENT_CLOSE,
+			TR_commManagerClose);
+
+	TR_EVENT_HANDLER_SET_METHOD(
+			cls,
+			TR_CommEndPoint,
+			TR_CEP_EVENT_SHUT_READ,
+			TR_commManagerShutdownRead);
+
+	TR_EVENT_HANDLER_SET_METHOD(
+			cls,
+			TR_CommEndPoint,
+			TR_CEP_EVENT_SHUT_READ,
+			TR_commManagerShutdownWrite);
+}
+
+TR_INSTANCE(TR_Hash, _event_methods);
+TR_INIT_IFACE(TR_Class, commManagerCtor, commManagerDtor, NULL);
+TR_INIT_IFACE(TR_CommManager, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
+TR_CREATE_CLASS(
+		TR_CommManager,
+		TR_EventHandler,
+		commManagerCvInit,
+		TR_IF(TR_Class),
+		TR_IF(TR_CommManager)) = {
+	{ &(__event_methods.data) }
+};
+
+// vim: set ts=4 sw=4:

+/**
+ * \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/comm_end_point.h"
+#include "tr/connection.h"
+#include "tr/comm_manager.h"
+#include "tr/interface/comm_manager.h"
+
+static
+int
+commManagerPollCtor(void * _this, va_list * params)
+{
+	TR_CommManagerPoll this = _this;
+	TR_CommManager     cmgr = _this;
+	nfds_t             i;
+
+	TR_PARENTCALL(_this, TR_Class, ctor, params);
+	this->fds = TR_malloc(sizeof(struct pollfd) * cmgr->n_endpoints);
+	for (i = 0; i < cmgr->n_endpoints; i++) {
+		this->fds[i] = {-1, 0, 0};
+	}
+
+	return 0;
+}
+
+static
+void
+commManagerPollDtor(void * _this)
+{
+	TR_CommManagerPoll this = _this;
+
+	TR_MEM_FREE(this->fds);
+	TR_PARENTCALL(_this, TR_Class, dtor);
+}
+
+static
+void
+TR_commManagerAddEndpoint(void * _this, TR_CommEndPoint endpoint)
+{
+	TR_CommManagerPoll this = _this;
+	this->fds[endpoint->transport->handle].fd     = endpoint->transport->handle;
+	this->fds[endpoint->transport->handle].events = POLLIN;
+}
+
+static
+void
+TR_commManagerSelect(void * _this, TR_Event event, int timeout)
+{
+	TR_CommManagerPoll this = _this;
+	TR_CommManager     cmgr = _this;
+	nfds_t             i;
+	int                nevents;
+
+	nevents = poll(this->fds, cmgr->n_endpoints, timeout);
+
+	for (i = 0; i < cmgr->n_endpoints, i++) {
+		TR_CommEndPoint endpoint = this->endpoints[i];
+
+		if (this->fds[i].revents & POLLIN == POLLIN) {
+			nevents--;
+			if (TR_INSTANCE_OF(TR_TcpSocket, endpoints->transport)
+					&& ((TR_TcpSocket)endpoint->transport)->listen) {
+				TR_eventHandlerIssueEvent(
+						(TR_EventHandler)this,
+						(TR_Connection)endpoint,
+						TR_CON_EVENT_ACC_READY,
+						NULL);
+			} else {
+				TR_eventHandlerIssueEvent(
+						(TR_EventHandler)this,
+						endpoint,
+						TR_CET_EVENT_READ_READY,
+						NULL);
+			}
+		}
+
+		if (this->fds[i].revents & POLLOUT == POLLOUT) {
+			nevents--;
+			TR_eventHandlerIssueEvent(
+					(TR_EventHandler)this,
+					endpoint,
+					TR_CET_EVENT_WRITE_READY,
+					NULL);
+		}
+
+		if (nevents <= 0) break;
+	}
+}
+
+static
+void
+TR_commManagerEnableWrite(void * _this, TR_Event event)
+{
+	TR_CommManagerPoll this     = _this;
+	TR_CommEndPoint    endpoint = (TR_CommEndPoint)event->subject;
+
+	if (! TR_socketFinWr(endpoint->transport)) {
+		this->fds[endpoint->transport->handle].event |= POLLOUT;
+	}
+}
+
+static
+int
+TR_commManagerDisableWrite(void * _this, TR_Event event)
+{
+	TR_CommManagerPoll this     = _this;
+	TR_CommEndPoint    endpoint = (TR_CommEndPoint)event->subject;
+
+	this->fds[endpoint->transport->handle].event &= ~POLLOUT;
+}
+
+static
+int
+TR_commManagerClose(void * _this, TR_Event event)
+{
+	TR_CommManagerPoll this     = _this;
+	TR_CommEndPoint    endpoint = (TR_CommEndPoint)event->subject;
+
+	this->fds[endpoint->transport->handle].event = 0;
+	this->fds[endpoint->transport->handle].fs    = -1;
+}
+
+static
+int
+TR_commManagerDisableRead(void * _this, TR_Event event)
+{
+	TR_CommManagerPoll this     = _this;
+	TR_CommEndPoint    endpoint = (TR_CommEndPoint)event->subject;
+
+	this->fds[endpoint->transport->handle].event &= ~POLLIN;
+}
+
+static
+int
+TR_commManagerShutdownRead(void * _this, TR_Event event)
+{
+}
+
+static
+void
+commManagerPollCvInit(TR_class_ptr cls) {
+	TR_INHERIT_CLASSVARS(TR_CommManagerPoll, TR_CommManager);
+}
+
+TR_INIT_IFACE(TR_Class, commManagerPollCtor, commManagerPollDtor, NULL);
+TR_INIT_IFACE(
+		TR_CommManager,
+		TR_commManagerPollAddEndpoint,
+		TR_commManagerPollSelect,
+		TR_commManagerPollEnableWrite,
+		TR_commManagerPollDisableWrite,
+		TR_commManagerPollClose,
+		TR_commManagerPollDisableRead,
+		TR_commManagerPollDisableWrite);
+TR_CREATE_CLASS(
+		TR_CommManagerPoll,
+		TR_CommManager,
+		TR_CommManagerPollCvInit,
+		TR_IF(TR_Class));
+
+// vim: set ts=4 sw=4:

+/**
+ * \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 "trbase.h"
+#include "trio.h"
+#include "trevent.h"
+
+#include "tr/comm_manager.h"
+
+int
+TR_commManagerShutdown(void * _this, TR_Event event)
+{
+    TR_CommManager this = _this;
+    nfds_t         i;
+
+    for (i=0; i<this->n_endpoints; i++) {
+        if (this->endpoints[handle]) {
+            TR_eventHandlerIssueEvent(
+                    (TR_EventHandler)_this,
+                    (TR_EventSubject)this->endpoints[handle],
+                    TR_CEP_EVENT_CLOSE,
+                    NULL);
+        }
+    }
+
+    return 0;
+}
+
+// vim: set ts=4 sw=4:

+/**
+ * \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 <errno.h>
+
+#include "trbase.h"
+#include "trevent.h"
+
+#include "tr/interface/comm_manager.h"
+#include "tr/comm_end_point.h"
+
+TR_CREATE_INTERFACE(TR_CommManager, 7);
+
+void
+TR_commManagerAddEndpoint(void * _this, TR_CommEndPoint endpoint)
+{
+	TR_ConnManager this = _this;
+
+	if (this->endpoints[endpoint->transport->handle]) {
+		// this should never happen, but if so we assume this is a leftover
+		// that still has to be deleted.
+		TR_delete(this->endpoints[endpoint->transport->handle]);
+	}
+
+	this->endpoints[endpoint->transport->handle] = endpoint;
+	TR_CALL(_this, TR_CommManager, addEndpoint, endpoint);
+}
+
+int
+TR_commManagerSelect(void * _this, TR_Event event)
+{
+	int                  timeout;  // milliseconds
+	int                * timeoutptr = event->data;
+	TR_EventDispatcher   dispatcher = (TR_EventDispatcher)event->subject;
+
+	if (NULL == timeoutptr) {
+		timeout = TR_eventDispatcherGetDataWaitTime(dispatcher);
+	} else {
+		timeout = *timeoutptr;
+		TR_MEM_FREE(timeoutptr);
+	}
+
+	TR_CALL(_this, TR_CommManager, select, event, timeout);
+	return 1;
+}
+
+int
+TR_commManagerEnableWrite(void * _this, TR_Event event)
+{
+	TR_CALL(_this, TR_CommManager, enableWrite, event);
+	return 1;
+}
+
+int
+TR_commManagerDisableWrite(void * _this, TR_Event event)
+{
+	TR_EventHandler this     = _this;
+	TR_CommEndPoint endpoint = (TR_CommEndPoint)event->subject;
+
+	TR_CALL(_this, TR_CommManager, disableWrite, event);
+
+	if (TR_socketFinRd(endpoint->transport)) {
+		TR_eventHandlerIssueEvent(
+				this,
+				event->subject,
+				TR_CEP_EVENT_SHUT_READ,
+				NULL);
+	}
+
+	return 1;
+}
+
+int
+TR_commManagerClose(void * _this, TR_Event event)
+{
+	TR_ConnManager  this     = _this;
+	TR_CommEndPoint endpoint = (TR_CommEndPoint)event->subject;
+
+	TR_socketShutdown(endpoint->transport);
+	TR_CALL(_this, TR_CommManager, close, event);
+	TR_delete(this->endpoints[endpoint->transport->handle]);
+
+	return 0;
+}
+
+int
+TR_commManagerShutdownRead(void * _this, TR_Event event)
+{
+	TR_CALL(_this, TR_CommManager, shutdownRead, event);
+
+	if (TR_socketFinRd(((TR_CommEndPoint)event->subject)->transport)) {
+		// close
+		TR_eventHandlerIssueEvent(
+				(TR_EventHandler)_this,
+				event->subject,
+				TR_CEP_EVENT_CLOSE,
+				NULL);
+	} else if (TR_cepHasPendingData(endpoint)) {
+		// handle pending data... close is issued from disableWrite
+		TR_eventHandlerIssueEvent(
+				(TR_EventHandler)_this,
+				event->subject,
+				TR_CEP_EVENT_CLOSE,
+				NULL);
+	} else {
+		TR_cepSetClose(endpoint);
+	}
+
+	return 0;
+}
+
+int
+TR_commManagerShutdownWrite(void * _this, TR_Event event)
+{
+	TR_CALL(_this, TR_CommManager, shutdownWrite, event);
+
+	if (TR_socketFinRd(((TR_CommEndPoint)event->subject)->transport)) {
+		TR_eventHandlerIssueEvent(
+				(TR_EventHandler)_this,
+				event->subject,
+				TR_CEP_EVENT_CLOSE,
+				NULL);
+	}
+
+	return 0;
+}
+
+
+// vim: set ts=4 sw=4: