Throw an exception when the recipe file cannot be read

Felix Exner · Felix Exner · commit 1ce9215da0d1 · 2020-07-10T14:02:12.000+02:00
diff --git a/ur_robot_driver/src/rtde/rtde_client.cpp b/ur_robot_driver/src/rtde/rtde_client.cpp
@@ -323,6 +323,13 @@ std::vector<std::string> RTDEClient::readRecipe(const std::string& recipe_file)
 {
   std::vector<std::string> recipe;
   std::ifstream file(recipe_file);
+  if (file.fail())
+  {
+    std::stringstream msg;
+    msg << "Opening file '" << recipe_file << "' failed with error: " << strerror(errno);
+    LOG_ERROR("%s", msg.str().c_str());
+    throw UrException(msg.str());
+  }
   std::string line;
   while (std::getline(file, line))
   {

Original file line number	Diff line number	Diff line change
`@@ -323,6 +323,13 @@ std::vector<std::string> RTDEClient::readRecipe(const std::string& recipe_file)`
`323`	`323`	`{`
`324`	`324`	`std::vector<std::string> recipe;`
`325`	`325`	`std::ifstream file(recipe_file);`
	`326`	`+ if (file.fail())`
	`327`	`+ {`
	`328`	`+ std::stringstream msg;`
	`329`	`+ msg << "Opening file '" << recipe_file << "' failed with error: " << strerror(errno);`
	`330`	`+ LOG_ERROR("%s", msg.str().c_str());`
	`331`	`+ throw UrException(msg.str());`
	`332`	`+ }`
`326`	`333`	`std::string line;`
`327`	`334`	`while (std::getline(file, line))`
`328`	`335`	`{`