add io handler

@@ -4,6 +4,7 @@ nobase_include_HEADERS = tr/comm_end_point.h \
 			 tr/connect_entry_point.h \
 			 tr/connection.h \
 			 tr/connector.h \
+			 tr/io_handler.h \
 			 tr/proto_message.h \
 			 tr/protocol.h \
 			 tr/protocol_handler.h \

@@ -7,6 +7,7 @@
 #include "tr/connect_entry_point.h"
 #include "tr/connection.h"
 #include "tr/connector.h"
+#include "tr/io_handler.h"
 #include "tr/proto_message.h"
 #include "tr/protocol.h"
 #include "tr/protocol_handler.h"

@@ -17,6 +17,7 @@ TRCOMM = cep_append_read_data.c \
 	 conn_entry_point.c \
 	 connection.c \
 	 connector.c \
+	 io_handler.c \
 	 proto_message.c \
 	 protocol.c \
 	 protocol_handler.c \

@@ -25,10 +25,7 @@
 #include "trbase.h"
 #include "trevent.h"
 
-#include "tr/protocol.h"
-#include "tr/connection.h"
-#include "tr/protocol_handler.h"
-#include "tr/proto_message.h"
+#include "tr/io_handler.h"
 #include "tr/comm_end_point.h"
 #include "tr/interface/comm_end_point.h"
 
@@ -47,11 +44,15 @@ static
 int
 ioHandlerRead(void * _this, TR_Event event)
 {
-	/**
-	 * TODO No upgrade for now. Add it later on.
-	 */
 	TR_CommEndPoint endpoint = (TR_CommEndPoint)event->subject;
-	TR_ProtoMessage message  = TR_cepNextMessage(endpoint);
+
+	if (TR_cepBufferRead(endpoint)) {
+		TR_eventHandlerIssueEvent(
+				(TR_EventHandler)_this,
+				event->subject,
+				TR_CEP_EVENT_NEW_DATA,
+				NULL);
+	}
 
 	return TRUE;
 }
@@ -61,12 +62,21 @@ int
 ioHandlerWrite(void * _this, TR_Event event)
 {
 	TR_CommEndPoint endpoint = (TR_CommEndPoint)event->subject;
-	TR_ProtoMessage message  = (TR_ProtoMessage)event->data;
 
-	if (message->close) {
-		// also check that we are a response. Well this is how it is done
-		// in the python code...
-		TR_cepSetClose(endpoint);
+	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;
@@ -74,17 +84,17 @@ ioHandlerWrite(void * _this, TR_Event event)
 
 static
 void
-protocolHandlerCvInit(TR_class_ptr cls)
+ioHandlerCvInit(TR_class_ptr cls)
 {
 	TR_EVENT_HANDLER_SET_METHOD(
 			cls,
-			TR_Connection,
+			TR_CommEndPoint,
 			TR_CEP_EVENT_READ_READY,
 			ioHandlerRead);
 
 	TR_EVENT_HANDLER_SET_METHOD(
 			cls,
-			TR_Connection,
+			TR_CommEndPoint,
 			TR_CEP_EVENT_WRITE_READY,
 			ioHandlerWrite);
 }
@@ -92,7 +102,7 @@ protocolHandlerCvInit(TR_class_ptr cls)
 TR_INSTANCE(TR_Hash, ioHandlerEventMethods);
 TR_INIT_IFACE(TR_Class, ioHandlerCtor, ioHandlerDtor, NULL);
 TR_CREATE_CLASS(
-		TR_ProtocolHandler,
+		TR_IoHandler,
 		TR_EventHandler,
 		ioHandlerCvInit,
 		TR_IF(TR_Class)) = {

@@ -108,19 +108,19 @@ protocolHandlerCvInit(TR_class_ptr cls)
 {
 	TR_EVENT_HANDLER_SET_METHOD(
 			cls,
-			TR_Connection,
+			TR_CommEndPoint,
 			TR_CEP_EVENT_NEW_DATA,
 			protocolHandlerParse);
 
 	TR_EVENT_HANDLER_SET_METHOD(
 			cls,
-			TR_Connection,
+			TR_CommEndPoint,
 			TR_CEP_EVENT_SEND_MSG,
 			protocolHandlerCompose);
 
 	TR_EVENT_HANDLER_SET_METHOD(
 			cls,
-			TR_Connection,
+			TR_CommEndPoint,
 			TR_CEP_EVENT_UPGRADE,
 			protocolHandlerUpgrade);
 }