commit 8da3365d3c4b26489f97e40f03224a1b56dbb87e
author Zhenkai Zhu <zhenkai@cs.ucla.edu> Mon Mar 04 10:52:03 2013 -0800
committer Zhenkai Zhu <zhenkai@cs.ucla.edu> Mon Mar 04 11:11:24 2013 -0800
tree 94028790007ec1f889c1b8b5b886ba77c4f7a337
parent d985a8585eae3a443001aea210dc59287c1f0fcd

handle exception in starting http server

Change-Id: I695356e3de8a6d98101e58585c9e5450b7abf922

gui/chronosharegui.cpp

diff --git a/gui/chronosharegui.cpp b/gui/chronosharegui.cpp
index 8a30b05..7214218 100644
--- a/gui/chronosharegui.cpp
+++ b/gui/chronosharegui.cpp
@@ -151,13 +151,26 @@
   QFileInfo indexHtmlInfo(":/html/index.html");
   if (indexHtmlInfo.exists())
   {
-    m_httpServer = new http::server::server(HTTP_SERVER_ADDRESS, HTTP_SERVER_PORT, DOC_ROOT);
-    m_httpServerThread = boost::thread(&http::server::server::run, m_httpServer);
+    try
+    {
+      m_httpServer = new http::server::server(HTTP_SERVER_ADDRESS, HTTP_SERVER_PORT, DOC_ROOT);
+      m_httpServerThread = boost::thread(&http::server::server::run, m_httpServer);
+    }
+    catch (std::exception &e)
+    {
+      _LOG_ERROR ("Start http server failed");
+      m_httpServer = 0; // just to make sure
+      QMessageBox msgBox;
+      msgBox.setText ("WARNING: Cannot start http server!");
+      msgBox.setIcon (QMessageBox::Warning);
+      msgBox.setInformativeText(QString("Starting http server failed. You will not be able to check history from web brower. Exception caused: %1").arg(e.what()));
+      msgBox.setStandardButtons(QMessageBox::Ok);
+      msgBox.exec();
+    }
   }
   else
   {
     _LOG_ERROR ("Http server doc root dir does not exist!");
-    // shall we bail here?
   }
 }
 
@@ -169,9 +182,12 @@
 
   delete m_watcher; // stop filewatching ASAP
   delete m_dispatcher; // stop dispatcher ASAP, but after watcher (to prevent triggering callbacks on deleted object)
-  m_httpServer->handle_stop();
-  m_httpServerThread.join();
-  delete m_httpServer;
+  if (m_httpServer != 0)
+  {
+    m_httpServer->handle_stop();
+    m_httpServerThread.join();
+    delete m_httpServer;
+  }
 
   // cleanup
   delete m_trayIcon;