From 5c447b7376f1affefbe27551d1eb3dea1d9220f2 Mon Sep 17 00:00:00 2001
From: Sylvain Chapeland <o2.syc@cern.ch>
Date: Wed, 5 Mar 2025 17:03:46 +0100
Subject: [PATCH 1/2] fix to set valid reply when no calib task

---
 examples/15-ODC.cxx | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/examples/15-ODC.cxx b/examples/15-ODC.cxx
index f6c0cca0..3118f37b 100644
--- a/examples/15-ODC.cxx
+++ b/examples/15-ODC.cxx
@@ -99,6 +99,7 @@ void httpServer(tcp::acceptor& acceptor, tcp::socket& socket) {
       std::string calibTasksJson;
       const std::lock_guard<std::mutex> lock(gMapAccess);
       calibTasksJson += "[" + std::to_string(0);
+      int countOk = 0;
       for (const auto& run : gStats) {
         if (run.second.TasksPerCalib.find(calib) != run.second.TasksPerCalib.end()) {
           calibTasksJson += ", \"";
@@ -113,9 +114,14 @@ void httpServer(tcp::acceptor& acceptor, tcp::socket& socket) {
           } else {
             calibTasksJson +=  ",0";
           }
+          countOk++;
         }
       }
       calibTasksJson +=  "]";
+      // workaround to set valid reply if nothing to report
+      if (!countOk) {
+        calibTasksJson =  "[0, \"\", 0, 0]";
+      }
       beast::ostream(response.body()) << jsonPrefix << calibTasksJson << jsonSuffix << '\n';
      });
      connection->start();

From 9882100ecb0705de24ca28605c81a0fc2eb52d61 Mon Sep 17 00:00:00 2001
From: Sylvain Chapeland <o2.syc@cern.ch>
Date: Wed, 5 Mar 2025 17:08:02 +0100
Subject: [PATCH 2/2] v3.19.3

---
 CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1e4a95e5..552f3d76 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -31,7 +31,7 @@ endif()
 
 # Define project
 project(Monitoring
-  VERSION 3.19.2
+  VERSION 3.19.3
   DESCRIPTION "O2 Monitoring library"
   LANGUAGES CXX
 )