compute server uptime as well

2 files changed, 8 insertions, 3 deletions

diff --git a/src/webclientserver.cpp b/src/webclientserver.cpp
index 5dd8ebb..e76b7ff 100644
--- a/src/webclientserver.cpp
+++ b/src/webclientserver.cpp
@@ -185,6 +185,7 @@ Server::Server(quint16 port)
     dynamicBytesWritten = 0;
     staticBytesWritten = 0;
     bytesRead = 0;
+    serverStart = QDateTime::currentDateTime();
     totalSessions = 0;
 }
 
@@ -233,7 +234,7 @@ void Server::dataOnSocket()
         bytesRead += line.count();
     }
 
-//    DEBUG << lines;
+    DEBUG << lines;
 
     HttpRequest request(lines);
 
@@ -336,11 +337,14 @@ void Server::dataOnSocket()
 QByteArray Server::createStatiticsPage()
 {
     const double ec2DataRate=0.02 / (1000 * 1000 * 1000) ; // cost per byte
+    const double ec2InstanceRate = 0.1; // cost per hour
+    const double upHours = (QDateTime::currentDateTime().toTime_t() - serverStart.toTime_t())/ (60 * 60);
     QByteArray stats;
     stats += "<b> Statistics </b><br><br>";
-    stats += "Data transfers: <br>";
     stats += "<table border=1>";
     stats += "<tr> <td>&nbsp;</td> <th> Size </th> <th> AWS Cost </th> </tr>";
+    stats += "<tr> <td>Uptime</td> <td>"+ QByteArray::number(upHours) + " Hours</td> <td>€" +
+             QByteArray::number(ceil(upHours) * ec2InstanceRate) + "</td> </tr>";
     stats += "<tr> <td>Received</td> <td>"+ QByteArray::number(bytesRead / 1024) + " K</td> <td>€" +
              QByteArray::number(bytesRead * ec2DataRate) + "</td> </tr>";
     stats += "<tr> <td>Sent (dynamic content)</td> <td>"+ QByteArray::number(dynamicBytesWritten / 1024) + " K</td> <td>€" +
@@ -348,7 +352,7 @@ QByteArray Server::createStatiticsPage()
     stats += "<tr> <td>Sent (static content)</td> <td>"+ QByteArray::number(staticBytesWritten / 1024) + " K</td> <td>€" +
              QByteArray::number(staticBytesWritten * ec2DataRate) + "</td> </tr>";
     stats += "<tr> <td>Grand Total</td> <td>"+ QByteArray::number((bytesRead + dynamicBytesWritten + staticBytesWritten) / 1024) + " K</td> <td>€" +
-             QByteArray::number((bytesRead + dynamicBytesWritten + staticBytesWritten) * ec2DataRate) + "</td> </tr>";
+             QByteArray::number(upHours * ec2InstanceRate + (bytesRead + dynamicBytesWritten + staticBytesWritten) * ec2DataRate) + "</td> </tr>";
 
     stats += "</table>";
 
diff --git a/src/webclientserver.h b/src/webclientserver.h
index 1f231c9..ad9a0cf 100644
--- a/src/webclientserver.h
+++ b/src/webclientserver.h
@@ -112,6 +112,7 @@ private:
     int dynamicBytesWritten;
     int staticBytesWritten;
     int totalSessions;
+    QDateTime serverStart;
     QByteArray createStatiticsPage();
 };