RetroShare/retroshare-gui/src/gui/NetworkView.cpp

239 lines
7.0 KiB
C++

/****************************************************************
* RetroShare is distributed under the following license:
*
* Copyright (C) 2008 Robert Fernie
*
* 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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
****************************************************************/
#include "NetworkView.h"
#include <retroshare/rspeers.h>
#include <retroshare/rsdisc.h>
#include <deque>
#include <set>
#include <iostream>
#include <algorithm>
#include "gui/elastic/node.h"
/********
* #define DEBUG_NETWORKVIEW
********/
/** Constructor */
NetworkView::NetworkView(QWidget *parent)
: RsAutoUpdatePage(60000,parent)
{
/* Invoke the Qt Designer generated object setup routine */
ui.setupUi(this);
mScene = new QGraphicsScene();
mScene->setItemIndexMethod(QGraphicsScene::NoIndex);
mScene->setSceneRect(0, 0, ui.graphicsView->width(), ui.graphicsView->height());
ui.graphicsView->setScene(mScene);
ui.graphicsView->setEdgeLength(ui.edgeLengthSB->value()) ;
setMaxFriendLevel(ui.maxFriendLevelSB->value()) ;
/* add button */
connect( ui.refreshButton, SIGNAL( clicked( void ) ), this, SLOT( redraw( void ) ) );
connect( mScene, SIGNAL( changed ( const QList<QRectF> & ) ), this, SLOT ( changedScene( void ) ) );
/* Hide Settings frame */
connect( ui.maxFriendLevelSB, SIGNAL(valueChanged(int)), this, SLOT(setMaxFriendLevel(int)));
connect( ui.edgeLengthSB, SIGNAL(valueChanged(int)), this, SLOT(setEdgeLength(int)));
connect( ui.freezeCheckBox, SIGNAL(toggled(bool)), this, SLOT(setFreezeState(bool)));
connect( ui.nameBox, SIGNAL(textChanged(QString)), this, SLOT(setNameSearch(QString)));
_should_update = true ;
}
NetworkView::~NetworkView()
{
if(mScene != NULL)
delete mScene ;
}
void NetworkView::setEdgeLength(int l)
{
ui.graphicsView->setEdgeLength(l);
}
void NetworkView::setNameSearch(QString s)
{
ui.graphicsView->setNameSearch(s);
}
void NetworkView::setMaxFriendLevel(int m)
{
ui.graphicsView->snapshotNodesPositions() ;
clear() ;
_max_friend_level = m ;
updateDisplay() ;
}
void NetworkView::changedFoFCheckBox( )
{
updateDisplay();
}
void NetworkView::redraw()
{
ui.graphicsView->clearNodesPositions() ;
clear() ;
updateDisplay() ;
}
void NetworkView::clear()
{
ui.graphicsView->clearGraph() ;
_node_ids.clear() ;
update() ;
}
void NetworkView::setFreezeState(bool freeze)
{
#ifdef DEBUG_NETWORKVIEW
std::cerr << " NetworkView::setFreezeState(" << freeze << ")" << std::endl;
#endif
ui.graphicsView->setFreeze(freeze);
}
class NodeInfo
{
public:
NodeInfo(const RsPgpId& _gpg_id,uint32_t lev) : gpg_id(_gpg_id),friend_level(lev) {}
RsPgpId gpg_id ;
uint32_t friend_level ;
} ;
void NetworkView::update()
{
_should_update = true ;
}
void NetworkView::updateDisplay()
{
if(!isVisible())
return ;
if(!_should_update)
return ;
/* add all friends */
RsPgpId ownGPGId = rsPeers->getGPGOwnId();
//#ifdef DEBUG_NETWORKVIEW
std::cerr << "NetworkView::updateDisplay()" << std::endl;
//#endif
std::deque<NodeInfo> nodes_to_treat ; // list of nodes to be treated. Used as a queue. The int is the level of friendness
std::set<RsPgpId> nodes_considered ; // list of nodes already considered. Eases lookup.
nodes_to_treat.push_front(NodeInfo(ownGPGId,0)) ; // initialize queue with own id.
nodes_considered.insert(rsPeers->getGPGOwnId()) ;
// Put own id in queue, and empty the queue, treating all nodes.
//
while(!nodes_to_treat.empty())
{
NodeInfo info(nodes_to_treat.back()) ;
nodes_to_treat.pop_back() ;
#ifdef DEBUG_NETWORKVIEW
std::cerr << " Poped out of queue: " << info.gpg_id << ", with level " << info.friend_level << std::endl ;
#endif
GraphWidget::NodeType type ;
GraphWidget::AuthType auth ;
switch(info.friend_level)
{
case 0: type = GraphWidget::ELASTIC_NODE_TYPE_OWN ;
break ;
case 1: type = GraphWidget::ELASTIC_NODE_TYPE_FRIEND ;
break ;
case 2: type = GraphWidget::ELASTIC_NODE_TYPE_F_OF_F ;
break ;
default:
type = GraphWidget::ELASTIC_NODE_TYPE_UNKNOWN ;
}
RsPeerDetails detail ;
if(!rsPeers->getGPGDetails(info.gpg_id, detail))
continue ;
switch(detail.trustLvl)
{
case RS_TRUST_LVL_MARGINAL: auth = GraphWidget::ELASTIC_NODE_AUTH_MARGINAL ; break;
case RS_TRUST_LVL_FULL:
case RS_TRUST_LVL_ULTIMATE: auth = GraphWidget::ELASTIC_NODE_AUTH_FULL ; break;
case RS_TRUST_LVL_UNKNOWN:
case RS_TRUST_LVL_UNDEFINED:
case RS_TRUST_LVL_NEVER:
default: auth = GraphWidget::ELASTIC_NODE_AUTH_UNKNOWN ; break ;
}
if(info.friend_level <= _max_friend_level && _node_ids.find(info.gpg_id) == _node_ids.end())
{
_node_ids[info.gpg_id] = ui.graphicsView->addNode(" "+detail.name, detail.name+"@"+detail.gpg_id.toStdString(),type,auth,RsPeerId(),info.gpg_id);
#ifdef DEBUG_NETWORKVIEW
std::cerr << " inserted node " << info.gpg_id << ", type=" << type << ", auth=" << auth << std::endl ;
#endif
}
std::list<RsPgpId> friendList;
rsDisc->getDiscPgpFriends(info.gpg_id, friendList);
#ifdef DEBUG_NETWORKVIEW
std::cerr << " Got a list of " << friendList.size() << " friends for this peer." << std::endl ;
#endif
if(info.friend_level+1 <= _max_friend_level)
for(std::list<RsPgpId>::const_iterator sit(friendList.begin()); sit != friendList.end(); ++sit)
if(nodes_considered.find(*sit) == nodes_considered.end())
{
#ifdef DEBUG_NETWORKVIEW
std::cerr << " adding to queue: " << *sit << ", with level " << info.friend_level+1 << std::endl ;
#endif
nodes_to_treat.push_front( NodeInfo(*sit,info.friend_level + 1) ) ;
nodes_considered.insert(*sit) ;
}
}
/* iterate through all friends */
#ifdef DEBUG_NETWORKVIEW
std::cerr << "NetworkView::insertSignatures()" << std::endl;
#endif
for(std::map<RsPgpId,GraphWidget::NodeId>::const_iterator it(_node_ids.begin()); it != _node_ids.end(); ++it)
{
std::list<RsPgpId> friendList ;
if(rsDisc->getDiscPgpFriends(it->first,friendList))
for(std::list<RsPgpId>::const_iterator sit(friendList.begin()); sit != friendList.end(); ++sit)
{
#ifdef DEBUG_NETWORKVIEW
std::cerr << "NetworkView: Adding Edge: ";
std::cerr << *sit << " <-> " << it->first;
std::cerr << std::endl;
#endif
if(_node_ids.find(*sit) != _node_ids.end())
ui.graphicsView->addEdge(_node_ids[*sit], it->second);
}
}
_should_update = false ;
}