display data keys, data item length

main.go

@@ -2,6 +2,7 @@ package main
 
 import "C"
 import (
+	"encoding/binary"
 	"encoding/json"
 	"errors"
 	"os"
@@ -197,6 +198,46 @@ func Bolt_ListBuckets(b ObjectReference, browse []string) ObjectReference {
 	return pNC_Ref
 }
 
+//export Bolt_ListItems
+func Bolt_ListItems(b ObjectReference, browse []string) ObjectReference {
+
+	pNC := &NextCall{
+		content: make(chan CallResponse, 0),
+	}
+
+	pNC_Ref := gms.Put(pNC)
+
+	go func() {
+		var err error
+
+		if len(browse) == 0 {
+			err = errors.New("No bucket specified")
+		} else {
+			// Nested-mode
+			err = withBrowse_ReadOnly(b, browse, func(db *bolt.DB, tx *bolt.Tx, bucket *bolt.Bucket) error {
+				return bucket.ForEach(func(k, v []byte) error {
+					if v == nil {
+						return nil // nil v means it's a bucket, skip
+					}
+
+					itemLength := make([]byte, 8)
+					binary.LittleEndian.PutUint64(itemLength, uint64(len(v)))
+					pNC.content <- CallResponse{s: string(itemLength) + string(k)}
+					return nil
+				})
+			})
+		}
+
+		if err != nil {
+			pNC.content <- CallResponse{e: err}
+		}
+
+		close(pNC.content)
+	}()
+
+	return pNC_Ref
+}
+
 //export GetNext
 func GetNext(oRef ObjectReference) (int64, *C.char, int) {
 	pNC_Iface, ok := gms.Get(oRef)

qbolt/boltdb.cpp

@@ -1,5 +1,7 @@
 #include "boltdb.h"
 
+#include <QtEndian>
+
 BoltDB::BoltDB()
 {
 
@@ -46,6 +48,17 @@ bool BoltDB::listBuckets(QStringList bucketPath, QString& errorOut, NameReciever
     return pumpNext(listJob, errorOut, cb);
 }
 
+bool BoltDB::listKeys(QStringList bucketPath, QString& errorOut, std::function<void(QByteArray, int64_t)> cb)
+{
+    GoSliceManagedWrapper browse(&bucketPath);
+    auto listJob = ::Bolt_ListItems(this->gmsDbRef, browse.slice);
+    return pumpNext(listJob, errorOut, [=](QByteArray b) {
+        // First 8 bytes are little-endian uint64 len
+        int64_t dataLen = qFromLittleEndian<qint64>(b.mid(0, 8));
+        cb(b.mid(8), dataLen);
+    });
+}
+
 bool BoltDB::pumpNext(GoInt64 jobRef, QString& errorOut, NameReciever cb)
 {
     errorOut.clear();

qbolt/boltdb.h

@@ -20,6 +20,8 @@ public:
 
     bool listBuckets(QStringList bucketPath, QString& errorOut, NameReciever cb);
 
+    bool listKeys(QStringList bucketPath, QString& errorOut, std::function<void(QByteArray, int64_t)> cb);
+
     bool getStatsJSON(std::function<void(QByteArray)> onSuccess, std::function<void(QString)> onError);
 
     bool getBucketStatsJSON(QStringList bucketPath, std::function<void(QByteArray)> onSuccess, std::function<void(QString)> onError);

qbolt/mainwindow.cpp

@@ -187,6 +187,10 @@ void MainWindow::on_bucketTree_currentItemChanged(QTreeWidgetItem *current, QTre
             }
         );
 
+        // Clean up foreign areas
+        ui->bucketPropertiesArea->clear();
+        ui->bucketData->clear();
+
     } else {
         // Selected a bucket
 
@@ -213,7 +217,22 @@ void MainWindow::on_bucketTree_currentItemChanged(QTreeWidgetItem *current, QTre
         );
 
         // Load the data tab
-        // TODO
+        ui->bucketData->clear();
+        QString err;
+        bool ok = bdb->listKeys(browse, err, [=](QByteArray name, int64_t dataLen) {
+            auto *itm = new QTreeWidgetItem();
+            itm->setText(0, QString::fromUtf8(name));
+            itm->setText(1, QString("%1").arg(dataLen));
+            ui->bucketData->addTopLevelItem(itm);
+        });
+        if (! ok) {
+            QMessageBox qmb;
+            qmb.setText(tr("Error listing bucket content: %1").arg(err));
+            qmb.exec();
+        }
+
+        // Clean up foreign areas
+        ui->databasePropertiesArea->clear();
     }
 }
 

qbolt/mainwindow.ui

@@ -53,6 +53,9 @@
        </column>
       </widget>
       <widget class="QStackedWidget" name="stackedWidget">
+       <property name="currentIndex">
+        <number>1</number>
+       </property>
        <widget class="QWidget" name="databasePage">
         <layout class="QGridLayout" name="gridLayout_4">
          <property name="leftMargin">
@@ -125,7 +128,7 @@
          <item row="0" column="0">
           <widget class="QTabWidget" name="bucketTabWidget">
            <property name="currentIndex">
-            <number>0</number>
+            <number>1</number>
            </property>
            <widget class="QWidget" name="bucketPropertiesTab">
             <attribute name="title">
@@ -160,6 +163,46 @@
             <attribute name="title">
              <string>Data</string>
             </attribute>
+            <layout class="QGridLayout" name="gridLayout_6">
+             <property name="leftMargin">
+              <number>3</number>
+             </property>
+             <property name="topMargin">
+              <number>3</number>
+             </property>
+             <property name="rightMargin">
+              <number>3</number>
+             </property>
+             <property name="bottomMargin">
+              <number>3</number>
+             </property>
+             <item row="0" column="0">
+              <widget class="QTreeWidget" name="bucketData">
+               <property name="indentation">
+                <number>0</number>
+               </property>
+               <property name="rootIsDecorated">
+                <bool>false</bool>
+               </property>
+               <property name="uniformRowHeights">
+                <bool>true</bool>
+               </property>
+               <property name="itemsExpandable">
+                <bool>false</bool>
+               </property>
+               <column>
+                <property name="text">
+                 <string>Key</string>
+                </property>
+               </column>
+               <column>
+                <property name="text">
+                 <string>Data length</string>
+                </property>
+               </column>
+              </widget>
+             </item>
+            </layout>
            </widget>
           </widget>
          </item>
@@ -265,7 +308,7 @@
   </action>
   <action name="actionClear_selection">
    <property name="text">
-    <string>Clear selection</string>
+    <string>&amp;Clear selection</string>
    </property>
   </action>
  </widget>