From 7d3d0cd0670ad52eedf3c4e92eb4d11ce045fae4 Mon Sep 17 00:00:00 2001
From: Aaron Seigo <aseigo@kde.org>
Date: Sat, 6 Dec 2014 02:28:54 +0100
Subject: re-use the builder

---
 client/resourceaccess.cpp | 10 +++++-----
 client/resourceaccess.h   |  3 +++
 resource/listener.cpp     | 16 ++++++++--------
 resource/listener.h       |  5 ++++-
 4 files changed, 20 insertions(+), 14 deletions(-)

diff --git a/client/resourceaccess.cpp b/client/resourceaccess.cpp
index 641c203..6f1e114 100644
--- a/client/resourceaccess.cpp
+++ b/client/resourceaccess.cpp
@@ -72,11 +72,11 @@ void ResourceAccess::connected()
     log(QString("Connected: ").arg(m_socket->fullServerName()));
 
     {
-        flatbuffers::FlatBufferBuilder fbb;
-        auto name = fbb.CreateString(QString::number((long long)this).toLatin1());
-        auto command = Akonadi::CreateHandshake(fbb, name);
-        Akonadi::FinishHandshakeBuffer(fbb, command);
-        Commands::write(m_socket, Commands::HandshakeCommand, fbb);
+        auto name = m_fbb.CreateString(QString::number((long long)this).toLatin1());
+        auto command = Akonadi::CreateHandshake(m_fbb, name);
+        Akonadi::FinishHandshakeBuffer(m_fbb, command);
+        Commands::write(m_socket, Commands::HandshakeCommand, m_fbb);
+        m_fbb.Clear();
     }
 
     emit ready(true);
diff --git a/client/resourceaccess.h b/client/resourceaccess.h
index 64b8a96..a77fe48 100644
--- a/client/resourceaccess.h
+++ b/client/resourceaccess.h
@@ -4,6 +4,8 @@
 #include <QObject>
 #include <QTimer>
 
+#include <flatbuffers/flatbuffers.h>
+
 class ResourceAccess : public QObject
 {
     Q_OBJECT
@@ -37,4 +39,5 @@ private:
     QTimer *m_tryOpenTimer;
     bool m_startingProcess;
     QByteArray m_partialMessageBuffer;
+    flatbuffers::FlatBufferBuilder m_fbb;
 };
diff --git a/resource/listener.cpp b/resource/listener.cpp
index 4b3e4ff..23a5a70 100644
--- a/resource/listener.cpp
+++ b/resource/listener.cpp
@@ -170,23 +170,23 @@ void Listener::sendCurrentRevision(Client &client)
         return;
     }
 
-    flatbuffers::FlatBufferBuilder fbb;
-    auto command = Akonadi::CreateRevisionUpdate(fbb, m_revision);
-    Akonadi::FinishRevisionUpdateBuffer(fbb, command);
-    Commands::write(client.socket, Commands::RevisionUpdateCommand, fbb);
+    auto command = Akonadi::CreateRevisionUpdate(m_fbb, m_revision);
+    Akonadi::FinishRevisionUpdateBuffer(m_fbb, command);
+    Commands::write(client.socket, Commands::RevisionUpdateCommand, m_fbb);
+    m_fbb.Clear();
 }
 
 void Listener::updateClientsWithRevision()
 {
-    flatbuffers::FlatBufferBuilder fbb;
-    auto command = Akonadi::CreateRevisionUpdate(fbb, m_revision);
-    Akonadi::FinishRevisionUpdateBuffer(fbb, command);
+    auto command = Akonadi::CreateRevisionUpdate(m_fbb, m_revision);
+    Akonadi::FinishRevisionUpdateBuffer(m_fbb, command);
 
     for (const Client &client: m_connections) {
         if (!client.socket || !client.socket->isValid()) {
             continue;
         }
 
-        Commands::write(client.socket, Commands::RevisionUpdateCommand, fbb);
+        Commands::write(client.socket, Commands::RevisionUpdateCommand, m_fbb);
     }
+    m_fbb.Clear();
 }
diff --git a/resource/listener.h b/resource/listener.h
index 0d8f388..dcc3818 100644
--- a/resource/listener.h
+++ b/resource/listener.h
@@ -5,6 +5,8 @@
 #include <QList>
 #include <QObject>
 
+#include <flatbuffers/flatbuffers.h>
+
 class Client
 {
 public:
@@ -57,4 +59,5 @@ private:
     QLocalServer *m_server;
     QVector<Client> m_connections;
     unsigned long long m_revision;
-};
\ No newline at end of file
+    flatbuffers::FlatBufferBuilder m_fbb;
+};
-- 
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