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src/callbackHandlerCreate.cpp
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259
src/callbackHandlerCreate.cpp
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///
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/// \file callbackHandlerCreate.cc
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/// \author Jan Chrin, PSI
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/// \date Release: February 2015
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/// \version CAFE 1.0.0
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///
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#include <cadef.h>
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#include <global.h>
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#include <policies.h>
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#include <conduitFriends.h>
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#include <conduitConnectionHandlerArgs.h>
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//include <methodCallbacks.h>
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#include <granules.h>
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#include <handleHelper.h>
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using namespace std;
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/**
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* \brief Callback function for ca_create_channel.
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* Modifies Conduit object accordingly
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* \param args returns connection handler parameters \n
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* i.e. args.chid, args.op{CA_OP_CONN_UP, CA_OP_CONN_DOWN}
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*/
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void ChannelCreatePolicy::callbackHandlerCreate(struct connection_handler_args args) {
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#define __METHOD__ "ChannelCreatePolicy::callbackHandlerCreate"
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//Use for debugging
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//cout << __METHOD__ << endl;
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unsigned int _handle = (unsigned long) ca_puser(args.chid);
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cafeConduit_set_by_handle & handle_index = cs.get<by_handle> ();
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cafeConduit_set_by_handle::iterator it_handle;
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it_handle = handle_index.find((unsigned int)_handle);
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if (it_handle != handle_index.end()) {
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//cout << (*it_handle).pv << endl;
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//cout << "handle= " << (*it_handle).getHandle() << endl; cout << endl;
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//Modifies corresponding local variables
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if(MUTEX){cafeMutex.lock();}
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handle_index.modify(it_handle, change_connectionHandlerArgs(args));
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if(MUTEX){cafeMutex.unlock();}
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if (args.op == CA_OP_CONN_UP) {
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chtype buffer_TIME_Type = dbf_type_to_DBR_TIME(ca_field_type(args.chid)); //DBF_STRING
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chtype buffer_CTRL_Type = dbf_type_to_DBR_CTRL(ca_field_type(args.chid));
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chtype buffer_PRIMITIVE_TYPE = dbf_type_to_DBR (ca_field_type(args.chid));
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//BUFFER FOR GET has DBR_TIME size
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//BUFFER FOR PUT has DBR size
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//BUFFER FOR CTRL has DBR_CTRL size
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if(MUTEX){cafeMutex.lock();}
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handle_index.modify(it_handle, change_dataBufferSize_PRIMITIVE(buffer_PRIMITIVE_TYPE));
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handle_index.modify(it_handle, change_dataBufferSize_CTRL (buffer_CTRL_Type));
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handle_index.modify(it_handle, change_dataBufferSize_TIME (buffer_TIME_Type));
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handle_index.modify(it_handle, change_dataBufferSize_STSACK ()); //fixed size DBR_STSACK_STRING
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if ( (*it_handle).getAccessRead() != ca_read_access(args.chid) ) {
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//cout << " This will only occur if CAFE's access right handler is not used " << endl;
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//cout << " accessRightsEventHandler not called BEFORE channelEventHandler! " << endl;
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//cout << " FORCING MODIFICATION IN HASH TABLE FOR READ ACCESS=" << ca_read_access(args.chid) << endl;
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handle_index.modify(it_handle, change_accessRead(ca_read_access(args.chid)));
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}
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if ( (*it_handle).getAccessWrite() != ca_write_access(args.chid) ) {
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//cout << " This will only occur if CAFE's access right handler is not used " << endl;
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//cout << " accessRightsEventHandler not called BEFORE channelEventHandler! " << endl;
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//cout << " FORCING MODIFICATION IN HASH TABLE FOR WRITE ACCESS=" << ca_write_access(args.chid) << endl;
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handle_index.modify(it_handle, change_accessWrite(ca_write_access(args.chid)));
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}
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if(MUTEX){cafeMutex.unlock();}
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//Set prerequestStatus
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ChannelRequestStatus channelRequestStatusGet; int status;
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//Call callback methods for all types!!
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status=(*it_handle).getCtrlWithCallback(CALLBACK_CAFE::handlerGetCtrl);
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channelRequestStatusGet = (*it_handle).getChannelRequestStatusGetCtrl();
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channelRequestStatusGet.setRequestStatus (status);
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if (status != ECA_NORMAL) {
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channelRequestStatusGet.setCallbackKind(false, false); // NOT_INITIATED NOT_TRIGGERED
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if(MUTEX){cafeMutex.lock();}
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handle_index.modify(it_handle, change_status(status));
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if(MUTEX){cafeMutex.unlock();}
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cout << __FILE__ << "/" << __LINE__ << "/" << __METHOD__ << endl;
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cout << "getCtrlWithCallback(CALLBACK_CAFE::handlerGetCtrl) reported error:" << endl;
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CAFEStatus cafeStatus; cafeStatus.report(status);
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}
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else {
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channelRequestStatusGet.setCallbackKind(true, false); //PENDING NOT_TRIGGERED
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}
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if(MUTEX){cafeMutex.lock();}
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handle_index.modify(it_handle, change_channelRequestStatusGetCtrl(channelRequestStatusGet));
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if(MUTEX){cafeMutex.unlock();}
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//ca_flush_io();
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status=(*it_handle).getSTSACKWithCallback(CALLBACK_CAFE::handlerGetSTSACK);
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channelRequestStatusGet = (*it_handle).getChannelRequestStatusGetSTSACK();
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channelRequestStatusGet.setRequestStatus (status);
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if (status != ECA_NORMAL) {
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channelRequestStatusGet.setCallbackKind(false, false); // NOT_INITIATED NOT_TRIGGERED
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if(MUTEX){cafeMutex.lock();}
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handle_index.modify(it_handle, change_status(status));
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if(MUTEX){cafeMutex.unlock();}
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cout << __FILE__ << "/" << __LINE__ << "/" << __METHOD__ << endl;
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cout << "getSTSACKWithCallback(CALLBACK_CAFE::handlerGetSTSACK) reported error:" << endl;
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CAFEStatus cafeStatus; cafeStatus.report(status);
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}
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else {
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channelRequestStatusGet.setCallbackKind(true, false); //PENDING NOT_TRIGGERED
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}
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if(MUTEX){cafeMutex.lock();}
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handle_index.modify(it_handle, change_channelRequestStatusGetSTSACK(channelRequestStatusGet));
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if(MUTEX){cafeMutex.unlock();}
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//ca_flush_io();
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status=(*it_handle).getClassNameWithCallback(CALLBACK_CAFE::handlerGetClassName);
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if ( status != ECA_NORMAL) {
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cout << __FILE__ << "/" << __LINE__ << "/" << __METHOD__ << endl;
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cout << "getClassNameWithCallback(CALLBACK_CAFE::handlerGetClassName) reported error:" << endl;
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CAFEStatus cafeStatus; cafeStatus.report(status);
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}
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status=(*it_handle).getWithCallback(CALLBACK_CAFE::handlerGet);
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channelRequestStatusGet = (*it_handle).getChannelRequestStatusGet();
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channelRequestStatusGet.setRequestStatus (status);
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if (status != ECA_NORMAL) {
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channelRequestStatusGet.setCallbackKind(false, false); // NOT_INITIATED NOT_TRIGGERED
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if(MUTEX){cafeMutex.lock();}
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handle_index.modify(it_handle, change_status(status));
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if(MUTEX){cafeMutex.unlock();}
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cout << __FILE__ << "/" << __LINE__ << "/" << __METHOD__ << endl;
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cout << "getWithCallback(CALLBACK_CAFE::handlerGet) reported error:" << endl;
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CAFEStatus cafeStatus; cafeStatus.report(status);
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}
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else {
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channelRequestStatusGet.setCallbackKind(true, false); //PENDING NOT_TRIGGERED
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}
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if(MUTEX){cafeMutex.lock();}
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handle_index.modify(it_handle, change_channelRequestStatusGet(channelRequestStatusGet));
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if(MUTEX){cafeMutex.unlock();}
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//ca_flush_io();
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// Check if any monitors for this channel are to be started.....
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// If monitors are to be started, then start the monitors
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// pass on handler functions
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//
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// Loop thru monitor waiting list
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// monitor in waiting
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vector<MonitorPolicy> mpInWaitingV =(*it_handle).getMonitorPolicyInWaitingVector();
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vector<MonitorPolicy>::iterator it;
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//Iterate
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for (it = mpInWaitingV.begin(); it != mpInWaitingV.end(); ++it) {
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//Check start values;
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if ((*it).getNelem()==0) {
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(*it).setNelem((*it_handle).getChannelRegalia().getNelem());
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}
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//Check start values;
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if ((*it).getDataType()==CAFE_NOT_REQUESTED) {
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(*it).setDataType((*it_handle).getChannelRegalia().getDataType());
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}
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//Check setMask if MASK_CTRL!
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status=(*it_handle).monitorStart((*it));
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(*it).setStatus(status);
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//Add to vector
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//check in to vector<monitorMap>
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if(MUTEX){cafeMutex.lock();}
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handle_index.modify(it_handle, change_monitorPolicyInsert((*it)));
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if(MUTEX){cafeMutex.unlock();}
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}
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//loop
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for (it = mpInWaitingV.begin(); it != mpInWaitingV.end(); ++it) {
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unsigned int ID=(*it).getID();
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if(MUTEX){cafeMutex.lock();}
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handle_index.modify(it_handle, change_monitorPolicyInWaitingErase(ID));
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if(MUTEX){cafeMutex.unlock();}
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}
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//loop
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} else {
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// DIS-CONNECTION (i.e. from a previously connected state)
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// Setting Access Rights to boolean false. These will in any
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// case be overwritten to false by the access_rights_event_handler
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/*
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if ( (*it_handle).getAccessRead() != 0 ) {
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handle_index.modify(it_handle, change_accessRead(0));
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}
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if ( (*it_handle).getAccessWrite() != 0 ) {
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handle_index.modify(it_handle, change_accessWrite(0));
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}
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*/
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// On disconnection invoke PyCafe Monitor callback
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#if HAVE_PYTHON_H
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// monitors
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vector<MonitorPolicy> mpV =(*it_handle).getMonitorPolicyVector();
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vector<MonitorPolicy>::iterator itmp;
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//Iterate
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for (itmp = mpV.begin(); itmp != mpV.end(); ++itmp) {
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if(MUTEX){cafeMutex.lock();}
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handle_index.modify(it_handle, change_usrArgs( (unsigned long) (*itmp).getMonitorID() ));
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if(MUTEX){cafeMutex.unlock();}
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//Add datatypes etc...
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//cout << "(*it_handle).PyEventHandler(); " << (*itmp).getMonitorID() << endl;
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(*it_handle).PyEventHandler((*itmp).getMonitorID() );
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}
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#endif
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}
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}
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else {
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cout << __FILE__ << "/" << __LINE__ << "/" << __METHOD__
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<< " called with an invalid CAFE handle:" << _handle << endl;
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cout << "Actually this should not happen and this line should never appear!! " << endl;
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}
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return;
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#undef __METHOD__
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}
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