Implement `Peer ID Client` column for `Peers` tab

PR #17940.

src/base/bittorrent/peerinfo.cpp

@@ -181,6 +181,31 @@ QString PeerInfo::client() const
     return QString::fromStdString(m_nativeInfo.client);
 }
 
+QString PeerInfo::peerIdClient() const
+{
+    // when peer ID is not known yet it contains only zero bytes,
+    // do not create string in such case, return empty string instead
+    if (m_nativeInfo.pid.is_all_zeros())
+        return {};
+
+    QString result;
+
+    // interesting part of a typical peer ID is first 8 chars
+    for (int i = 0; i < 8; ++i)
+    {
+        const std::uint8_t c = m_nativeInfo.pid[i];
+
+        // ensure that the peer ID slice consists only of printable ASCII characters,
+        // this should filter out most of the improper IDs
+        if ((c < 32) || (c > 126))
+            return tr("Unknown");
+
+        result += QChar::fromLatin1(c);
+    }
+
+    return result;
+}
+
 qreal PeerInfo::progress() const
 {
     return m_nativeInfo.progress;

src/base/bittorrent/peerinfo.h

@@ -78,6 +78,7 @@ namespace BitTorrent
 
         PeerAddress address() const;
         QString client() const;
+        QString peerIdClient() const;
         qreal progress() const;
         int payloadUpSpeed() const;
         int payloadDownSpeed() const;

src/gui/properties/peerlistwidget.cpp

@@ -89,7 +89,7 @@ PeerListWidget::PeerListWidget(PropertiesWidget *parent)
     , m_properties(parent)
 {
     // Load settings
-    loadSettings();
+    const bool columnLoaded = loadSettings();
     // Visual settings
     setUniformRowHeights(true);
     setRootIsDecorated(false);
@@ -109,6 +109,7 @@ PeerListWidget::PeerListWidget(PropertiesWidget *parent)
     m_listModel->setHeaderData(PeerListColumns::FLAGS, Qt::Horizontal, tr("Flags"));
     m_listModel->setHeaderData(PeerListColumns::CONNECTION, Qt::Horizontal, tr("Connection"));
     m_listModel->setHeaderData(PeerListColumns::CLIENT, Qt::Horizontal, tr("Client", "i.e.: Client application"));
+    m_listModel->setHeaderData(PeerListColumns::PEERID_CLIENT, Qt::Horizontal, tr("Peer ID Client", "i.e.: Client resolved from Peer ID"));
     m_listModel->setHeaderData(PeerListColumns::PROGRESS, Qt::Horizontal, tr("Progress", "i.e: % downloaded"));
     m_listModel->setHeaderData(PeerListColumns::DOWN_SPEED, Qt::Horizontal, tr("Down Speed", "i.e: Download speed"));
     m_listModel->setHeaderData(PeerListColumns::UP_SPEED, Qt::Horizontal, tr("Up Speed", "i.e: Upload speed"));
@@ -130,8 +131,16 @@ PeerListWidget::PeerListWidget(PropertiesWidget *parent)
     m_proxyModel->setSourceModel(m_listModel);
     m_proxyModel->setSortCaseSensitivity(Qt::CaseInsensitive);
     setModel(m_proxyModel);
+
     hideColumn(PeerListColumns::IP_HIDDEN);
     hideColumn(PeerListColumns::COL_COUNT);
+
+    // Default hidden columns
+    if (!columnLoaded)
+    {
+        hideColumn(PeerListColumns::PEERID_CLIENT);
+    }
+
     m_resolveCountries = Preferences::instance()->resolvePeerCountries();
     if (!m_resolveCountries)
         hideColumn(PeerListColumns::COUNTRY);
@@ -371,9 +380,9 @@ void PeerListWidget::clear()
         m_listModel->removeRows(0, nbrows);
 }
 
-void PeerListWidget::loadSettings()
+bool PeerListWidget::loadSettings()
 {
-    header()->restoreState(Preferences::instance()->getPeerListState());
+    return header()->restoreState(Preferences::instance()->getPeerListState());
 }
 
 void PeerListWidget::saveSettings() const
@@ -461,6 +470,8 @@ void PeerListWidget::updatePeer(const BitTorrent::Torrent *torrent, const BitTor
     setModelData(row, PeerListColumns::FLAGS, peer.flags(), peer.flags(), {}, peer.flagsDescription());
     const QString client = peer.client().toHtmlEscaped();
     setModelData(row, PeerListColumns::CLIENT, client, client, {}, client);
+    const QString peerIdClient = peer.peerIdClient().toHtmlEscaped();
+    setModelData(row, PeerListColumns::PEERID_CLIENT, peerIdClient, peerIdClient);
     setModelData(row, PeerListColumns::PROGRESS, (Utils::String::fromDouble(peer.progress() * 100, 1) + u'%'), peer.progress(), intDataTextAlignment);
     const QString downSpeed = (hideValues && (peer.payloadDownSpeed() <= 0)) ? QString {} : Utils::Misc::friendlyUnit(peer.payloadDownSpeed(), true);
     setModelData(row, PeerListColumns::DOWN_SPEED, downSpeed, peer.payloadDownSpeed(), intDataTextAlignment);

src/gui/properties/peerlistwidget.h

@@ -66,6 +66,7 @@ public:
         CONNECTION,
         FLAGS,
         CLIENT,
+        PEERID_CLIENT,
         PROGRESS,
         DOWN_SPEED,
         UP_SPEED,
@@ -87,7 +88,7 @@ public:
     void clear();
 
 private slots:
-    void loadSettings();
+    bool loadSettings();
     void saveSettings() const;
     void displayColumnHeaderMenu();
     void showPeerListMenu();

src/webui/api/synccontroller.cpp

@@ -66,6 +66,7 @@ namespace
 
     // Peer keys
     const QString KEY_PEER_CLIENT = u"client"_qs;
+    const QString KEY_PEER_ID_CLIENT = u"peer_id_client"_qs;
     const QString KEY_PEER_CONNECTION_TYPE = u"connection"_qs;
     const QString KEY_PEER_COUNTRY = u"country"_qs;
     const QString KEY_PEER_COUNTRY_CODE = u"country_code"_qs;
@@ -561,6 +562,7 @@ void SyncController::torrentPeersAction()
             {KEY_PEER_IP, pi.address().ip.toString()},
             {KEY_PEER_PORT, pi.address().port},
             {KEY_PEER_CLIENT, pi.client()},
+            {KEY_PEER_ID_CLIENT, pi.peerIdClient()},
             {KEY_PEER_PROGRESS, pi.progress()},
             {KEY_PEER_DOWN_SPEED, pi.payloadDownSpeed()},
             {KEY_PEER_UP_SPEED, pi.payloadUpSpeed()},

src/webui/webapplication.h

@@ -52,7 +52,7 @@
 #include "base/utils/version.h"
 #include "api/isessionmanager.h"
 
-inline const Utils::Version<3, 2> API_VERSION {2, 8, 16};
+inline const Utils::Version<3, 2> API_VERSION {2, 8, 17};
 
 class APIController;
 class AuthController;

src/webui/www/private/scripts/dynamicTable.js

@@ -1498,6 +1498,7 @@ window.qBittorrent.DynamicTable = (function() {
             this.newColumn('connection', '', 'QBT_TR(Connection)QBT_TR[CONTEXT=PeerListWidget]', 50, true);
             this.newColumn('flags', '', 'QBT_TR(Flags)QBT_TR[CONTEXT=PeerListWidget]', 50, true);
             this.newColumn('client', '', 'QBT_TR(Client)QBT_TR[CONTEXT=PeerListWidget]', 140, true);
+            this.newColumn('peer_id_client', '', 'QBT_TR(Peer ID Client)QBT_TR[CONTEXT=PeerListWidget]', 60, false);
             this.newColumn('progress', '', 'QBT_TR(Progress)QBT_TR[CONTEXT=PeerListWidget]', 50, true);
             this.newColumn('dl_speed', '', 'QBT_TR(Down Speed)QBT_TR[CONTEXT=PeerListWidget]', 50, true);
             this.newColumn('up_speed', '', 'QBT_TR(Up Speed)QBT_TR[CONTEXT=PeerListWidget]', 50, true);