apps/kinfocenter/view1394/view1394.cpp

   1 /*
   2  * view1394.cpp
   3  *
   4  *  Copyright (C) 2003 Alexander Neundorf <neundorf@kde.org>
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  19  */
  20
  21 #include "view1394.h"
  22
  23 #include <QLayout>
  24 #include <QPushButton>
  25 #include <QFile>
  26 #include <QTextStream>
  27 #include <QTreeWidgetItem>
  28 #include <QTreeWidget>
  29 #include <QVBoxLayout>
  30
  31 #include <kcomponentdata.h>
  32 #include <kdialog.h>
  33 #include <kglobal.h>
  34 #include <klocale.h>
  35 #include <kstandarddirs.h>
  36 #include <kpluginfactory.h>
  37 #include <kpluginloader.h>
  38
  39 #include <sys/time.h>
  40 #include <sys/types.h>
  41 #include <unistd.h>
  42 #include <netinet/in.h>
  43 #include <stdio.h>
  44 #include <string.h>
  45
  46 #include <libraw1394/csr.h>
  47
  48 #define CONFIGROM_BASE 0x00
  49 #define CONFIGROM_CAP  0x08
  50 #define CONFIGROM_GUID_HI 0x0c
  51 #define CONFIGROM_GUID_LO 0x10
  52 #define MAX_1394_PORTS 16
  53
  54 int my_reset_handler(raw1394handle_t handle, unsigned int) {
  55         View1394* view1394=(View1394*)raw1394_get_userdata(handle);
  56         if (view1394!=0)
  57                 view1394->rescanBus();
  58         return 0;
  59 }
  60
  61 K_PLUGIN_FACTORY(View1394Factory, registerPlugin<View1394>();)
  62 K_EXPORT_PLUGIN(View1394Factory("kcmview1394"))
  63
  64 View1394::View1394(QWidget *parent, const QVariantList &) :
  65         KCModule(View1394Factory::componentData(), parent), m_insideRescanBus(false) {
  66         setQuickHelp(i18n("<qt>On the right hand side you can see some information about "
  67                 "your IEEE 1394 configuration. "
  68                 "The meaning of the columns:"
  69                 "<ul>"
  70                 "<li><b>Name</b>: port or node name, the number can change with each bus reset</li>"
  71                 "<li><b>GUID</b>: the 64 bit GUID of the node</li>"
  72                 "<li><b>Local</b>: checked if the node is an IEEE 1394 port of your computer</li>"
  73                 "<li><b>IRM</b>: checked if the node is isochronous resource manager capable</li>"
  74                 "<li><b>CRM</b>: checked if the node is cycle master capable</li>"
  75                 "<li><b>ISO</b>: checked if the node supports isochronous transfers</li>"
  76                 "<li><b>BM</b>: checked if the node is bus manager capable</li>"
  77                 "<li><b>PM</b>: checked if the node is power management capable</li>"
  78                 "<li><b>Acc</b>: the cycle clock accuracy of the node, valid from 0 to 100</li>"
  79                 "<li><b>Speed</b>: the speed of the node</li>"
  80                 "</ul></qt>"
  81                 ));
  82
  83         m_ouiDb=new OuiDb();
  84         QVBoxLayout *box=new QVBoxLayout(this);
  85         box->setSpacing(KDialog::spacingHint());
  86         box->setMargin(0);
  87         m_view=new View1394Widget(this);
  88         /*
  89         for (int i=2; i<8; i++)
  90                 m_view->m_listview->setColumnAlignment(i, Qt::AlignHCenter);
  91         m_view->m_listview->setColumnAlignment(8, Qt::AlignRight);
  92         m_view->m_listview->setColumnAlignment(9, Qt::AlignRight);
  93         */
  94         box->addWidget(m_view);
  95         m_view->layout()->setMargin(0);
  96         connect(m_view->m_busResetPb, SIGNAL(clicked()), this, SLOT(generateBusReset()));
  97         connect(&m_rescanTimer, SIGNAL(timeout()), this, SLOT(rescanBus()));
  98         rescanBus();
  99 }
 100
 101 View1394::~View1394() {
 102         foreach(QSocketNotifier* notifier, m_notifiers) {
 103                 delete notifier;
 104         }
 105
 106         m_notifiers.clear();
 107         delete m_ouiDb;
 108 }
 109
 110 bool View1394::readConfigRom(raw1394handle_t handle, nodeid_t nodeid, quadlet_t& firstQuad, quadlet_t& cap, octlet_t& guid) {
 111         quadlet_t q=0;
 112         firstQuad=0;
 113         cap=0;
 114         guid=0;
 115         nodeaddr_t addr=CSR_REGISTER_BASE + CSR_CONFIG_ROM + CONFIGROM_BASE;
 116         for (int count=0; count<5; count++) {
 117                 struct timeval tv;
 118                 q=0;
 119                 int res=raw1394_read(handle, nodeid|0xffc0, addr, sizeof(q), &q);
 120                 if (res==0) {
 121                         firstQuad=ntohl(q);
 122                         break;
 123                 }
 124                 tv.tv_sec=0;
 125                 tv.tv_usec=10*1000;
 126                 select(0, 0, 0, 0, &tv);
 127         }
 128         if (firstQuad==0)
 129                 return false;
 130
 131         addr=CSR_REGISTER_BASE + CSR_CONFIG_ROM + CONFIGROM_CAP;
 132         if (raw1394_read(handle, nodeid|0xffc0, addr, sizeof(q), &q)!=0)
 133                 return false;
 134
 135         cap=ntohl(q);
 136
 137         addr=CSR_REGISTER_BASE + CSR_CONFIG_ROM + CONFIGROM_GUID_HI;
 138         if (raw1394_read(handle, nodeid|0xffc0, addr, sizeof(q), &q)!=0)
 139                 return false;
 140
 141         guid=octlet_t(ntohl(q))<<32;
 142
 143         addr=CSR_REGISTER_BASE + CSR_CONFIG_ROM + CONFIGROM_GUID_LO;
 144         if (raw1394_read(handle, nodeid|0xffc0, addr, sizeof(q), &q)!=0)
 145                 return false;
 146
 147         guid=guid|ntohl(q);
 148
 149         return true;
 150 }
 151
 152 void View1394::callRaw1394EventLoop(int fd) {
 153         for (QList<raw1394handle_t>::iterator it= m_handles.begin(); it!=m_handles.end(); ++it)
 154                 if (raw1394_get_fd(*it)==fd) {
 155                         raw1394_loop_iterate(*it);
 156                         break;
 157                 }
 158 }
 159
 160 void View1394::rescanBus() {
 161         if (m_insideRescanBus) {
 162                 m_rescanTimer.setSingleShot(true);
 163                 m_rescanTimer.start(100);
 164                 return;
 165         }
 166         m_insideRescanBus=true;
 167         //   static int depth=0;
 168         //   depth++;
 169         m_notifiers.clear();
 170         for (QList<raw1394handle_t>::iterator it=m_handles.begin(); it!=m_handles.end(); ++it)
 171                 raw1394_destroy_handle(*it);
 172         m_handles.clear();
 173         m_view->m_listview->clear();
 174
 175         raw1394handle_t handle=raw1394_new_handle();
 176         if (handle==NULL) {
 177                 m_insideRescanBus=false;
 178                 return;
 179         }
 180         //now search for new stuff
 181         struct raw1394_portinfo p_info[MAX_1394_PORTS];
 182         int num_of_cards=raw1394_get_port_info(handle, p_info, MAX_1394_PORTS);
 183         raw1394_destroy_handle(handle);
 184         //iterate over all cards
 185         for (int i=0; i<num_of_cards; i++) {
 186                 handle=raw1394_new_handle();
 187                 if (raw1394_set_port(handle, i)!=0) {
 188                         raw1394_destroy_handle(handle);
 189                         continue;
 190                 }
 191                 raw1394_set_userdata(handle, this);
 192                 raw1394_set_bus_reset_handler(handle, my_reset_handler);
 193                 QSocketNotifier *notif=new QSocketNotifier(raw1394_get_fd(handle),QSocketNotifier::Read);
 194                 connect(notif, SIGNAL(activated(int)), this, SLOT(callRaw1394EventLoop(int)));
 195                 m_notifiers.append(notif);
 196                 m_handles.append(handle);
 197
 198                 QStringList cardContents;
 199                 cardContents << i18n("Port %1:\"%2\"", i, p_info[i].name);
 200                 QTreeWidgetItem* card = new QTreeWidgetItem(m_view->m_listview, cardContents);
 201
 202                 int num_of_nodes=raw1394_get_nodecount(handle);
 203
 204                 int localNodeId=raw1394_get_local_id(handle);
 205                 //iterate over all nodes connected to this card
 206                 for (int j=0; j<num_of_nodes; j++) {
 207                         //get the guid of the node
 208                         octlet_t guid=0;
 209                         quadlet_t firstQuad=0;
 210                         quadlet_t cap=0;
 211                         bool success=readConfigRom(handle, j, firstQuad, cap, guid);
 212
 213                         QString nodeStr=i18n("Node %1", j);
 214                         if (!success) {
 215                                 QStringList notReadyList;
 216                                 notReadyList << nodeStr << i18n("Not ready");
 217                                 new QTreeWidgetItem(card, notReadyList);
 218                                 continue;
 219                         }
 220                         //minimal config rom
 221                         if (((firstQuad>>24) & 0xff)==1) {
 222                                 QString guidStr=QString::number(firstQuad, 16);
 223                                 guidStr="0x"+guidStr.rightJustified(6, '0');
 224
 225                                 QStringList romList;
 226                                 romList << nodeStr << guidStr;
 227                                 new QTreeWidgetItem(card, romList);
 228                         }
 229                         //general config rom
 230                         else {
 231                                 QString guidStr;
 232                                 char buf[32];
 233                                 snprintf(buf, 32, "%llX", guid);
 234                                 guidStr=buf;
 235                                 guidStr="0x"+guidStr.rightJustified(16, '0');
 236                                 QString local=((j | 0xffc0) == localNodeId) ? "X" : "";
 237                                 QString irmStr=(cap & 0x80000000) ? "X" : "";
 238                                 QString cmStr=(cap & 0x40000000) ? "X" : "";
 239                                 QString isStr=(cap & 0x20000000) ? "X" : "";
 240                                 QString bmStr=(cap & 0x10000000) ? "X" : "";
 241                                 QString pmStr=(cap & 0x08000000) ? "X" : "";
 242                                 QString accStr=QString::number((cap &0x00ff0000)>>16);
 243                                 int speed=(cap & 0x00000007);
 244                                 QString speedStr;
 245                                 switch (speed) {
 246                                 case (3):
 247                                         speedStr="800";
 248                                         break;
 249                                 case (2):
 250                                         speedStr="400";
 251                                         break;
 252                                 case (1):
 253                                         speedStr="200";
 254                                         break;
 255                                 case (0):
 256                                 default:
 257                                         speedStr="100";
 258                                         break;
 259                                 }
 260
 261                                 QStringList nodeContents;
 262                                 nodeContents << nodeStr << guidStr << local << irmStr << cmStr << isStr << bmStr << pmStr << accStr << speedStr << m_ouiDb->vendor(guid);
 263
 264                                 new QTreeWidgetItem(card, nodeContents);
 265                         }
 266                 }
 267                 card->setExpanded(true);
 268         }
 269         //   depth--;
 270         m_insideRescanBus=false;
 271 }
 272
 273 void View1394::generateBusReset() {
 274         for (QList<raw1394handle_t>::iterator it=m_handles.begin(); it!=m_handles.end(); ++it)
 275                 raw1394_reset_bus(*it);
 276 }
 277
 278 OuiDb::OuiDb() {
 279         QString filename=KStandardDirs::locate("data", "kcmview1394/oui.db");
 280         if (filename.isEmpty())
 281                 return;
 282         QFile f(filename);
 283         if (!f.open(QIODevice::ReadOnly))
 284                 return;
 285
 286         QByteArray ba=f.readAll();
 287         int bytesLeft=ba.size();
 288         char* data=ba.data();
 289         while (bytesLeft>8) {
 290                 char *eol=(char*)memchr((const void*)data, '\n', bytesLeft);
 291                 if (eol==0)
 292                         break;
 293                 if ((eol-data)<8)
 294                         break;
 295                 data[6]='\0';
 296                 *eol='\0';
 297                 m_vendorIds.insert(QLatin1String(data), QString::fromUtf8(data+7));
 298                 bytesLeft-=(eol+1-data);
 299                 data=eol+1;
 300         }
 301
 302         f.close();
 303 }
 304
 305 QString OuiDb::vendor(octlet_t guid) {
 306         guid=(guid & 0xffffff0000000000LL)>>40;
 307         QString key=QString::number((unsigned int)(guid), 16);
 308         key=key.rightJustified(6, '0').toUpper();
 309         QString v=m_vendorIds[key];
 310         if (v.isEmpty())
 311                 v=i18n("Unknown");
 312         return v;
 313 }
 314
 315 // ------------------------------------------------------------------------
 316
 317 #include "view1394.moc"