From 158aadf2a79a109f56866f2cc2da1d16ca4051a7 Mon Sep 17 00:00:00 2001
From: Bent Bisballe Nyeng <deva@aasimon.org>
Date: Wed, 19 Oct 2011 10:47:42 +0200
Subject: Make error handling for sync connection.

---
 client/luapraxisd.cc | 10 ++++++++++
 client/praxisd.cc    | 37 +++++++++++++++++++++++++++++++++++++
 client/praxisd.h     | 12 +++++++++++-
 3 files changed, 58 insertions(+), 1 deletion(-)

(limited to 'client')

diff --git a/client/luapraxisd.cc b/client/luapraxisd.cc
index 0696674..11d619e 100644
--- a/client/luapraxisd.cc
+++ b/client/luapraxisd.cc
@@ -52,6 +52,11 @@ static int px_getcave(lua_State *L)
   QVector<QString> cavelist;
 
   Patient patient = pxu->px->patient_get_by_cpr(cpr);
+  if(pxu->px->hasError()) {
+    lua_pushstring(L, pxu->px->errorString().toStdString().c_str());
+    lua_error(L);
+    return 1;
+  }
   QVector<sogeord_t>::iterator i = patient.sogeord.begin();
   while(i != patient.sogeord.end()) {
     QString cavesogeord = i->sogenr;//.mid(1, i->sogenr.size() - 1);
@@ -81,6 +86,11 @@ static int px_cavelist(lua_State *L)
   luaL_argcheck(L, pxu, 1, "Praxisd expected");
 
   QVector<cave_t> cavelist = pxu->px->diverse_get_cave("");
+  if(pxu->px->hasError()) {
+    lua_pushstring(L, pxu->px->errorString().toStdString().c_str());
+    lua_error(L);
+    return 1;
+  }
 
   lua_createtable(L, 0, cavelist.size());
   int top = lua_gettop(L);
diff --git a/client/praxisd.cc b/client/praxisd.cc
index 740825e..5a0d88e 100644
--- a/client/praxisd.cc
+++ b/client/praxisd.cc
@@ -295,14 +295,25 @@ PraxisdSync::PraxisdSync(QString host, unsigned short int port)
 {
   this->host = host;
   this->port = port;
+  this->running = true;
 
   start();
 }
 
+PraxisdSync::~PraxisdSync()
+{
+  this->running = false;
+  wsem.release();
+  wait();
+}
+
 void PraxisdSync::run()
 {
   Praxisd praxisd(host, port);
 
+  connect(&praxisd, SIGNAL(networkError(QString)),
+          this, SLOT(networkError(QString)), Qt::DirectConnection);
+
   connect(&praxisd, SIGNAL(gotCaveList(CaveVector)),
           this, SLOT(gotCaveList(CaveVector)), Qt::DirectConnection);
 
@@ -314,7 +325,13 @@ void PraxisdSync::run()
 
   while(true) {
     wsem.acquire();
+
+    // Reset error state
+    error = false;
+    errorStr = "";
     
+    if(this->running == false) break;
+
     switch(request_type) {
     case Praxisd::journal:
       break;
@@ -333,6 +350,26 @@ void PraxisdSync::run()
 
     exec();
   }
+
+  rsem.release();
+}
+
+bool PraxisdSync::hasError()
+{
+  return error;
+}
+
+QString PraxisdSync::errorString()
+{
+  return errorStr;
+}
+
+void PraxisdSync::networkError(QString err)
+{
+  error = true;
+  errorStr = err;
+  rsem.release();
+  quit();
 }
 
 void PraxisdSync::gotCaveList(CaveVector cl)
diff --git a/client/praxisd.h b/client/praxisd.h
index 1268be7..0989274 100644
--- a/client/praxisd.h
+++ b/client/praxisd.h
@@ -156,6 +156,7 @@ class PraxisdSync : public QThread {
 Q_OBJECT
 public:
   PraxisdSync(QString host, unsigned short int port);
+  ~PraxisdSync();
 
   QString journal_get_by_cpr(QString patientid);
   CaveVector diverse_get_cave(QString sogenr);
@@ -163,9 +164,13 @@ public:
   DokMenuVector dokmenu_get_all_by_cpr(QString cpr);
   QString dokmenu_get_by_cpr_and_name(QString cpr, QString name);
 
+  bool hasError();
+  QString errorString();
+
   void run();
 
-public slots:
+private slots:
+  void networkError(QString);
   void gotCaveList(CaveVector);
   void gotPatient(Patient);
   void gotDokMenu(DokMenuVector);
@@ -184,6 +189,11 @@ private:
   CaveVector cavelist;
   Patient patient;
   DokMenuVector dokmenu;
+
+  volatile bool running;
+
+  bool error;
+  QString errorStr;
 };
 
 #endif/*__PRACRO_PRAXISD_H__*/
-- 
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