From 1780e269d4ff5df68566d9d4308b2bb4f468e0f4 Mon Sep 17 00:00:00 2001
From: Geir Horn <Geir.Horn@gmail.com>
Date: Tue, 2 Jul 2024 21:36:13 +0200
Subject: [PATCH] Added output operator for application state to report state
 in logging messages

---
 .vscode/c_cpp_properties.json | 16 ++++++++--------
 MetricUpdater.cpp             |  1 +
 MetricUpdater.hpp             | 32 +++++++++++++++++++++++++++++++-
 3 files changed, 40 insertions(+), 9 deletions(-)

diff --git a/.vscode/c_cpp_properties.json b/.vscode/c_cpp_properties.json
index 19d5bf0..6cc9639 100644
--- a/.vscode/c_cpp_properties.json
+++ b/.vscode/c_cpp_properties.json
@@ -3,16 +3,16 @@
         {
             "name": "Linux",
             "includePath": [
-                "/home/GHo/Documents/Code/NebulOuS/Solvers/",
+                "${workspaceFolder}/**",
+                "/usr/include/c++/14/",
+                "/usr/include/linux/",
+                "/home/GHo/Documents/Code/NebulOuS/Solver/",
                 "/home/GHo/Documents/Code/Theron++/",
                 "/home/GHo/Documents/Code/CxxOpts/include/",
-                "/opt/AMPL/amplapi/include",
-                "${workspaceFolder}/**",
-                "/usr/include/c++/13/",
-                "/usr/include/linux/"
+                "/opt/AMPL/amplapi/include"
             ],
             "defines": [],
-            "cStandard": "gnu23",
+            "cStandard": "c23",
             "intelliSenseMode": "linux-gcc-x64",
             "compilerPath": "/usr/lib64/ccache/g++",
             "compilerArgs": [
@@ -27,11 +27,11 @@
             "configurationProvider": "ms-vscode.makefile-tools",
             "browse": {
                 "path": [
-                    "/home/GHo/Documents/Code/NebulOuS/Solvers",
+                    "/home/GHo/Documents/Code/NebulOuS/Solver",
                     "/home/GHo/Documents/Code/Theron++/",
                     "/home/GHo/Documents/Code/CxxOpts/include/",
                     "/opt/AMPL/amplapi/include/",
-                    "/usr/include/c++/13/",
+                    "/usr/include/c++/14/",
                     "/usr/include/linux/"
                 ],
                 "limitSymbolsToIncludedHeaders": false
diff --git a/MetricUpdater.cpp b/MetricUpdater.cpp
index f455eaa..0cab5e2 100644
--- a/MetricUpdater.cpp
+++ b/MetricUpdater.cpp
@@ -261,6 +261,7 @@ void MetricUpdater::SLOViolationHandler(
   {
     Output << "... failed to forward the application execution context (size: " 
            << MetricValues.size() << "," << " Unset: " << UnsetMetrics 
+           << " Application state: " << ApplicationState
            << ")" << std::endl;
 
     if( MetricValues.empty() )
diff --git a/MetricUpdater.hpp b/MetricUpdater.hpp
index 9366bbb..87ab8b7 100644
--- a/MetricUpdater.hpp
+++ b/MetricUpdater.hpp
@@ -255,7 +255,7 @@ class MetricUpdater
       Ready,      // The application is ready for deployment
       Deploying,  // The application is being deployed or redeployed
       Running,    // The application is running
-      Failed     // The application is in an invalid state
+      Failed      // The application is in an invalid state
     };
 
     // An arriving lifecycle message indicates a change in state and it is 
@@ -264,6 +264,36 @@ class MetricUpdater
 
     operator State() const;
 
+    // There is a need to be able to report the current state of the 
+    // application in textual form, and it is therefore an inverse mapping
+    // that takes the application state and prints it out as a string to 
+    // the given output stream. 
+
+    friend std::ostream & operator << ( std::ostream & Output, 
+                                        const State ApplicationState )
+    {
+      switch ( ApplicationState )
+      {
+        case State::Deploying :
+          Output << "Deploying";
+          break;
+        case State::Failed :
+          Output << "Failed";
+          break;
+        case State::New :
+          Output << "New";
+          break;
+        case State::Ready :
+          Output << "Ready";
+          break;
+        case State::Running :
+          Output << "Running";
+          break;
+      }
+
+      return Output;
+    }
+
     // Constructors and destructor
 
     ApplicationLifecycle( void )