From b187b95672fe0d8b16ba80bedd9022f1cda3a051 Mon Sep 17 00:00:00 2001
From: Christian Mollekopf <chrigi_1@fastmail.fm>
Date: Mon, 20 Jul 2015 16:15:49 +0200
Subject: Pass command around as QByteArray

Simpler api, GenericResource didn't honor size anyways,
and we copy the command for now to avoid sideeffects of data coming in
in the meantime (although that should generally work since data is
always appended).
---
 synchronizer/listener.cpp | 19 ++++++++++---------
 synchronizer/listener.h   |  2 +-
 2 files changed, 11 insertions(+), 10 deletions(-)

(limited to 'synchronizer')

diff --git a/synchronizer/listener.cpp b/synchronizer/listener.cpp
index 1553f7d..2559664 100644
--- a/synchronizer/listener.cpp
+++ b/synchronizer/listener.cpp
@@ -203,13 +203,13 @@ void Listener::processClientBuffers()
     }
 }
 
-void Listener::processCommand(int commandId, uint messageId, Client &client, uint size, const std::function<void()> &callback)
+void Listener::processCommand(int commandId, uint messageId, const QByteArray &commandBuffer, Client &client, const std::function<void()> &callback)
 {
     switch (commandId) {
         case Akonadi2::Commands::HandshakeCommand: {
-            flatbuffers::Verifier verifier((const uint8_t *)client.commandBuffer.constData(), size);
+            flatbuffers::Verifier verifier((const uint8_t *)commandBuffer.constData(), commandBuffer.size());
             if (Akonadi2::VerifyHandshakeBuffer(verifier)) {
-                auto buffer = Akonadi2::GetHandshake(client.commandBuffer.constData());
+                auto buffer = Akonadi2::GetHandshake(commandBuffer.constData());
                 client.name = buffer->name()->c_str();
                 sendCurrentRevision(client);
             } else {
@@ -218,9 +218,9 @@ void Listener::processCommand(int commandId, uint messageId, Client &client, uin
             break;
         }
         case Akonadi2::Commands::SynchronizeCommand: {
-            flatbuffers::Verifier verifier((const uint8_t *)client.commandBuffer.constData(), size);
+            flatbuffers::Verifier verifier((const uint8_t *)commandBuffer.constData(), commandBuffer.size());
             if (Akonadi2::VerifySynchronizeBuffer(verifier)) {
-                auto buffer = Akonadi2::GetSynchronize(client.commandBuffer.constData());
+                auto buffer = Akonadi2::GetSynchronize(commandBuffer.constData());
                 Log() << QString("\tSynchronize request (id %1) from %2").arg(messageId).arg(client.name);
                 loadResource();
                 if (!m_resource) {
@@ -250,7 +250,7 @@ void Listener::processCommand(int commandId, uint messageId, Client &client, uin
             Log() << "\tCommand id  " << messageId << " of type \"" << Akonadi2::Commands::name(commandId) << "\" from " << client.name;
             loadResource();
             if (m_resource) {
-                m_resource->processCommand(commandId, client.commandBuffer, size, m_pipeline);
+                m_resource->processCommand(commandId, commandBuffer, m_pipeline);
             }
             break;
         case Akonadi2::Commands::ShutdownCommand:
@@ -262,7 +262,7 @@ void Listener::processCommand(int commandId, uint messageId, Client &client, uin
                 Log() << QString("\tReceived custom command from %1: ").arg(client.name) << commandId;
                 loadResource();
                 if (m_resource) {
-                    m_resource->processCommand(commandId, client.commandBuffer, size, m_pipeline);
+                    m_resource->processCommand(commandId, commandBuffer, m_pipeline);
                 }
             } else {
                 Warning() << QString("\tReceived invalid command from %1: ").arg(client.name) << commandId;
@@ -307,7 +307,9 @@ bool Listener::processClientBuffer(Client &client)
 
         auto socket = QPointer<QLocalSocket>(client.socket);
         auto clientName = client.name;
-        processCommand(commandId, messageId, client, size, [this, messageId, commandId, socket, clientName]() {
+        const QByteArray commandBuffer = client.commandBuffer.left(size);
+        client.commandBuffer.remove(0, size);
+        processCommand(commandId, messageId, commandBuffer, client, [this, messageId, commandId, socket, clientName]() {
             Log() << QString("\tCompleted command messageid %1 of type \"%2\" from %3").arg(messageId).arg(QString(Akonadi2::Commands::name(commandId))).arg(clientName);
             if (socket) {
                 sendCommandCompleted(socket.data(), messageId);
@@ -315,7 +317,6 @@ bool Listener::processClientBuffer(Client &client)
                 Log() << QString("Socket became invalid before we could send a response. client: %1").arg(clientName);
             }
         });
-        client.commandBuffer.remove(0, size);
 
         return client.commandBuffer.size() >= headerSize;
     }
diff --git a/synchronizer/listener.h b/synchronizer/listener.h
index e03c310..560f052 100644
--- a/synchronizer/listener.h
+++ b/synchronizer/listener.h
@@ -79,7 +79,7 @@ private Q_SLOTS:
     void quit();
 
 private:
-    void processCommand(int commandId, uint messageId, Client &client, uint size, const std::function<void()> &callback);
+    void processCommand(int commandId, uint messageId, const QByteArray &commandBuffer, Client &client, const std::function<void()> &callback);
     bool processClientBuffer(Client &client);
     void sendCurrentRevision(Client &client);
     void sendCommandCompleted(QLocalSocket *socket, uint messageId);
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