sgpemv2/plugins/xmlsave/src/xml_visitor.cc

314 lines
9.5 KiB
C++

// src/backend/serialize_visitor.cc - Copyright 2005, 2006, University
// of Padova, dept. of Pure and Applied
// Mathematics
//
// This file is part of SGPEMv2.
//
// This 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 2 of the License, or
// (at your option) any later version.
//
// SGPEMv2 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 SGPEMv2; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#include "xml_visitor.hh"
#include "gettext.h"
#include <sgpemv2/environment.hh>
#include <sgpemv2/history.hh>
#include <sgpemv2/process.hh>
#include <sgpemv2/request.hh>
#include <sgpemv2/resource.hh>
#include <sgpemv2/serializer_error.hh>
#include <sgpemv2/string_utils.hh>
#include <sgpemv2/sub_request.hh>
#include <sgpemv2/thread.hh>
using namespace sgpem;
XMLVisitor::XMLVisitor(xmlNodePtr current)
: _current(current)
{}
XMLVisitor::~XMLVisitor()
{}
void XMLVisitor::from_resource(const Resource& obj) throw(SerializerError)
{
throw SerializerError(
_("XMLVisitor: unsupported method from_resource(const Resource& obj)")
);
}
void XMLVisitor::from_history(const History& obj) throw(SerializerError)
{
from_history(_current, obj);
}
void XMLVisitor::from_environment(const Environment& obj) throw(SerializerError)
{
from_environment(_current, obj);
}
void XMLVisitor::from_process(const Process& obj) throw(SerializerError)
{
from_process(_current, obj);
}
void XMLVisitor::from_thread(const Thread& obj) throw(SerializerError)
{
from_thread(_current, obj);
}
void XMLVisitor::from_request(const Request& obj) throw(SerializerError)
{
from_request(_current, obj);
}
void XMLVisitor::from_subrequest(const SubRequest& obj) throw(SerializerError)
{
from_subrequest(_current, obj);
}
void XMLVisitor::from_resource(const Resource& obj, const Glib::ustring& key) throw(SerializerError)
{
from_resource(_current, obj, key);
}
void XMLVisitor::from_history(xmlNodePtr parent, const History& hist) throw(SerializerError)
{
if (parent != NULL)
{
from_environment(parent, hist.get_last_environment());
}
else
{
throw SerializerError(_("Error trying to add data to empty XML node."));
}
}
void XMLVisitor::from_environment(xmlNodePtr parent, const Environment& env) throw(SerializerError)
{
if (parent == NULL)
{
throw SerializerError(_("Error trying to add data to empty XML node."));
}
//
//Enclosing block - save resources
//
{
xmlNodePtr resources_node = xmlNewChild(parent, NULL, (const xmlChar *) "resources", NULL);
const Environment::Resources& rvect = env.get_resources();
typedef Environment::Resources::const_iterator res_iterator;
res_iterator iter = rvect.begin();
res_iterator end = rvect.end();
while (iter != end)
{
//XMLVisitor xvisit(resources_node);
Glib::ustring key;
to_string<int>(static_cast<int>((*iter).first), key);
//xvisit.from_resource(*((*iter).second), key);
from_resource(resources_node, *((*iter).second), key);
iter++;
}
}
//
//Enclosing block - save schedulables
//
{
xmlNodePtr schedulables_node = xmlNewChild(parent, NULL, (const xmlChar *) "schedulables", NULL);
const Environment::Processes& pvect = env.get_processes();
typedef std::vector<Process*>::const_iterator proc_iterator;
proc_iterator iter = pvect.begin();
proc_iterator end = pvect.end();
while (iter != end)
{
// XMLVisitor xvisit(schedulables_node);
// xvisit.from_process(*(*iter));
from_process(schedulables_node, *(*iter));
iter++;
}
}
}
void XMLVisitor::from_resource(xmlNodePtr parent, const Resource& obj, const Glib::ustring& key) throw(SerializerError)
{
if (parent != NULL)
{
Glib::ustring id = "reskey" + key;
Glib::ustring strPreemptible("false"); // fixed??
Glib::ustring strArrivalTime("0"); // fixed??
Glib::ustring strPlaces;
to_string<int>(static_cast<int>(obj.get_places()), strPlaces);
xmlNodePtr process_node = xmlNewChild(parent, NULL, (const xmlChar *) "resource", NULL);
xmlNewProp(process_node, (const xmlChar *) "name", (const xmlChar *) obj.get_name().c_str());
xmlNewProp(process_node, (const xmlChar *) "id", (const xmlChar *) id.c_str());
xmlNewProp(process_node, (const xmlChar *) "arrival-time", (const xmlChar *) strArrivalTime.c_str());
xmlNewProp(process_node, (const xmlChar *) "how-many", (const xmlChar *) strPlaces.c_str());
xmlNewProp(process_node, (const xmlChar *) "pre-emptible", (const xmlChar *) strPreemptible.c_str());
}
else
{
throw SerializerError(_("Error trying to add resource to empty XML node."));
}
}
void XMLVisitor::from_process(xmlNodePtr parent, const Process& obj) throw(SerializerError)
{
if (parent != NULL)
{
Glib::ustring strPriority;
Glib::ustring strArrivalTime;
to_string<int>(obj.get_base_priority(), strPriority);
to_string<int>(obj.get_arrival_time(), strArrivalTime);
xmlNodePtr process_node = xmlNewChild(parent, NULL, (const xmlChar *) "process", NULL);
xmlNewProp(process_node, (const xmlChar *) "name", (const xmlChar *) obj.get_name().c_str());
xmlNewProp(process_node, (const xmlChar *) "priority", (const xmlChar *) strPriority.c_str());
xmlNewProp(process_node, (const xmlChar *) "arrival-time", (const xmlChar *) strArrivalTime.c_str());
// make a threads subnode
xmlNodePtr threads_node = xmlNewChild(process_node, NULL, (const xmlChar *) "threads", NULL);
// iterate on threads
typedef std::vector<Thread*> Threads;
typedef std::vector<Thread*>::const_iterator thr_iterator;
const Threads& tvect = ((Process&)obj).get_threads();
thr_iterator iter = tvect.begin();
thr_iterator end = tvect.end();
while (iter != end)
{
const Thread* t = *iter;
from_thread(threads_node, *(*iter));
iter++;
}
}
else
{
throw SerializerError(_("Error trying to add process to empty XML node."));
}
}
void XMLVisitor::from_thread(xmlNodePtr parent, const Thread& obj) throw(SerializerError)
{
if (parent != NULL)
{
Glib::ustring strPriority;
Glib::ustring strArrivalTime;
Glib::ustring strLastsTime;
to_string<int>(obj.get_base_priority(), strPriority);
to_string<int>(obj.get_arrival_time(), strArrivalTime);
to_string<int>(obj.get_total_cpu_time(), strLastsTime);
xmlNodePtr thread_node = xmlNewChild(parent, NULL, (const xmlChar *) "thread", NULL);
xmlNewProp(thread_node, (const xmlChar *) "name", (const xmlChar *) obj.get_name().c_str());
xmlNewProp(thread_node, (const xmlChar *) "priority", (const xmlChar *) strPriority.c_str());
xmlNewProp(thread_node, (const xmlChar *) "arrival-delta", (const xmlChar *) strArrivalTime.c_str());
xmlNewProp(thread_node, (const xmlChar *) "lasts-for", (const xmlChar *) strLastsTime.c_str());
// make a requests subnode
xmlNodePtr requests_node = xmlNewChild(thread_node, NULL, (const xmlChar *) "requests", NULL);
// iterate on requests
typedef std::vector<Request*> Requests;
typedef std::vector<Request*>::const_iterator req_iterator;
const Requests& rvect = ((Thread&)obj).get_requests();
req_iterator iter = rvect.begin();
req_iterator end = rvect.end();
while (iter != end)
{
const Request* r = *iter;
from_request(requests_node, *(*iter));
iter++;
}
}
else
{
throw SerializerError(_("Error trying to add thread to empty XML node."));
}
}
void XMLVisitor::from_request(xmlNodePtr parent, const Request& obj) throw(SerializerError)
{
if (parent != NULL)
{
Glib::ustring strArrivalTime;
to_string<int>(obj.get_instant(), strArrivalTime);
xmlNodePtr request_node = xmlNewChild(parent, NULL, (const xmlChar *) "request", NULL);
xmlNewProp(request_node, (const xmlChar *) "arrival-time", (const xmlChar *) strArrivalTime.c_str());
// make a requests subnode
// xmlNodePtr subrequests_node = xmlNewChild(thread_node, NULL, (const xmlChar *) "requests", NULL);
// iterate on subrequests
typedef std::vector<SubRequest*> SubRequests;
typedef std::vector<SubRequest*>::const_iterator subreq_iterator;
const SubRequests& srvect = ((Request&)obj).get_subrequests();
subreq_iterator iter = srvect.begin();
subreq_iterator end = srvect.end();
while (iter != end)
{
const SubRequest* sr = *iter;
from_subrequest(request_node, *(*iter));
iter++;
}
}
else
{
throw SerializerError(_("Error trying to add request to empty XML node."));
}
}
void XMLVisitor::from_subrequest(xmlNodePtr parent, const SubRequest& obj) throw(SerializerError)
{
if (parent != NULL)
{
Glib::ustring strResource;
Glib::ustring strLastsFor;
to_string<int>(obj.get_resource_key(), strResource);
to_string<int>(obj.get_length(), strLastsFor);
xmlNodePtr subrequest_node = xmlNewChild(parent, NULL, (const xmlChar *) "subrequest", NULL);
xmlNewProp(subrequest_node, (const xmlChar *) "resource", (const xmlChar *) strResource.c_str());
xmlNewProp(subrequest_node, (const xmlChar *) "lasts-for", (const xmlChar *) strLastsFor.c_str());
}
else
{
throw SerializerError(_("Error trying to add subrequest to empty XML node."));
}
}