Convert empty string into quotes when sending it to InfluxDB (#256)

awegrzyn · web-flow · commit b18e9ca595d6 · 2021-07-20T16:43:55.000+02:00
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -17,7 +17,7 @@ endif()
 
 # Define project
 project(Monitoring
-  VERSION 3.8.6
+  VERSION 3.8.7
   DESCRIPTION "O2 Monitoring library"
   LANGUAGES CXX
 )
diff --git a/src/Backends/InfluxDB.cxx b/src/Backends/InfluxDB.cxx
@@ -54,6 +54,9 @@ void InfluxDB::escape(std::string& escaped)
   boost::replace_all(escaped, ",", "\\,");
   boost::replace_all(escaped, "=", "\\=");
   boost::replace_all(escaped, " ", "\\ ");
+  if (escaped.empty()) {
+    escaped = R"("")";
+  }
 }
 
 void InfluxDB::send(std::vector<Metric>&& metrics)

Original file line number	Diff line number	Diff line change
`@@ -17,7 +17,7 @@ endif()`
`17`	`17`
`18`	`18`	`# Define project`
`19`	`19`	`project(Monitoring`
`20`		`- VERSION 3.8.6`
	`20`	`+ VERSION 3.8.7`
`21`	`21`	`DESCRIPTION "O2 Monitoring library"`
`22`	`22`	`LANGUAGES CXX`
`23`	`23`	`)`
Original file line number	Diff line number	Diff line change
`@@ -54,6 +54,9 @@ void InfluxDB::escape(std::string& escaped)`
`54`	`54`	`boost::replace_all(escaped, ",", "\\,");`
`55`	`55`	`boost::replace_all(escaped, "=", "\\=");`
`56`	`56`	`boost::replace_all(escaped, " ", "\\ ");`
	`57`	`+ if (escaped.empty()) {`
	`58`	`+ escaped = R"("")";`
	`59`	`+ }`
`57`	`60`	`}`
`58`	`61`
`59`	`62`	`void InfluxDB::send(std::vector<Metric>&& metrics)`