From da885f3c8e152e9bdf573290adcf53bed58d95d1 Mon Sep 17 00:00:00 2001
From: Daniel Albers <daniel@lbe.rs>
Date: Wed, 8 Feb 2012 22:00:42 +0100
Subject: [PATCH 1/1] oidentd config parsing + implicit mutexes

- separate parsed config from Quassel's .oidentd.conf lines
- move mutexes to parse/writeConfig
---
 src/core/oidentdconfiggenerator.cpp | 35 ++++++++++++++++++-----------
 src/core/oidentdconfiggenerator.h   |  6 +++--
 2 files changed, 26 insertions(+), 15 deletions(-)

diff --git a/src/core/oidentdconfiggenerator.cpp b/src/core/oidentdconfiggenerator.cpp
index 877981cb..df3f8c48 100644
--- a/src/core/oidentdconfiggenerator.cpp
+++ b/src/core/oidentdconfiggenerator.cpp
@@ -28,6 +28,11 @@ OidentdConfigGenerator::OidentdConfigGenerator(QObject *parent) :
     init();
 }
 
+OidentdConfigGenerator::~OidentdConfigGenerator() {
+  _quasselConfig.clear();
+  writeConfig();
+}
+
 bool OidentdConfigGenerator::init() {
   configDir = QDir::homePath();
   configFileName = ".oidentd.conf";
@@ -48,11 +53,9 @@ bool OidentdConfigGenerator::init() {
   quasselStanzaTemplate = QString("lport %1 { reply \"%2\" } #%3\n");
   quasselStanzaRx = QRegExp(QString("^lport .* \\{ .* \\} #%1\\r?\\n").arg(configTag));
 
-  _mutex.lock();
   // initially remove all Quassel stanzas that might be present
   if (parseConfig(false) && writeConfig())
     _initialized = true;
-  _mutex.unlock();
 
   return _initialized;
 }
@@ -61,11 +64,9 @@ bool OidentdConfigGenerator::addSocket(const CoreIdentity *identity, const QHost
   Q_UNUSED(localAddress) Q_UNUSED(peerAddress) Q_UNUSED(peerPort)
   QString ident = identity->ident();
 
-  _config.append(quasselStanzaTemplate.arg(localPort).arg(ident).arg(configTag));
+  _quasselConfig.append(quasselStanzaTemplate.arg(localPort).arg(ident).arg(configTag));
 
-  _mutex.lock();
   bool ret = writeConfig();
-  _mutex.unlock();
 
   return ret;
 }
@@ -76,32 +77,40 @@ bool OidentdConfigGenerator::removeSocket(const CoreIdentity *identity, const QH
   return true;
 }
 
-bool OidentdConfigGenerator::parseConfig(bool keepQuasselStanzas) {
+bool OidentdConfigGenerator::parseConfig(bool readQuasselStanzas) {
   if (!_configFile->isOpen() && !_configFile->open(QIODevice::ReadWrite))
     return false;
+  _mutex.lock();
 
-  QByteArray parsedConfig;
+  _parsedConfig.clear();
+  _configFile->seek(0);
   while (!_configFile->atEnd()) {
     QByteArray line = _configFile->readLine();
 
-    if (keepQuasselStanzas || !lineByUs(line))
-      parsedConfig.append(line);
+    if (!lineByUs(line))
+      _parsedConfig.append(line);
+    else if (readQuasselStanzas)
+      _quasselConfig.append(line);
   }
 
-  _config = parsedConfig;
-
+  _configFile->close();
+  _mutex.unlock();
   return true;
 }
 
 bool OidentdConfigGenerator::writeConfig() {
   if (!_configFile->isOpen() && !_configFile->open(QIODevice::ReadWrite | QIODevice::Text))
     return false;
+  _mutex.lock();
 
   _configFile->seek(0);
   _configFile->resize(0);
-  _configFile->write(_config);
+  _configFile->write(_parsedConfig);
+  _configFile->write(_quasselConfig);
 
-  return _configFile->flush();
+  _configFile->close();
+  _mutex.unlock();
+  return true;
 }
 
 bool OidentdConfigGenerator::lineByUs(const QByteArray &line) {
diff --git a/src/core/oidentdconfiggenerator.h b/src/core/oidentdconfiggenerator.h
index 9e05162a..81ee21c4 100644
--- a/src/core/oidentdconfiggenerator.h
+++ b/src/core/oidentdconfiggenerator.h
@@ -36,6 +36,7 @@ class OidentdConfigGenerator : public QObject
     Q_OBJECT
 public:
   explicit OidentdConfigGenerator(QObject *parent = 0);
+  ~OidentdConfigGenerator();
 
 signals:
     
@@ -46,13 +47,14 @@ public slots:
 private:
   bool init();
   bool writeConfig();
-  bool parseConfig(bool keepQuasselStanzas = true);
+  bool parseConfig(bool readQuasselStanzas = false);
   bool lineByUs(const QByteArray &line);
 
   bool _initialized;
   QDateTime _lastSync;
   QFile *_configFile;
-  QByteArray _config;
+  QByteArray _parsedConfig;
+  QByteArray _quasselConfig;
   // Mutex isn't strictly necessary at the moment, since with the current invocation in Core only one instance at a time exists
   QMutex _mutex;
 
-- 
2.20.1