Please sonar. Hopefully a lot.

[simgrid.git] / src / smpi / smpi_keyvals.hpp

diff --git a/src/smpi/smpi_keyvals.hpp b/src/smpi/smpi_keyvals.hpp
index 0508f33..7f461ba 100644 (file)
--- a/src/smpi/smpi_keyvals.hpp
+++ b/src/smpi/smpi_keyvals.hpp
@@ -15,13 +15,13 @@ namespace simgrid{
 namespace smpi{
 
 
-typedef union smpi_delete_fn{
+typedef struct smpi_delete_fn{
   MPI_Comm_delete_attr_function          *comm_delete_fn;
   MPI_Type_delete_attr_function          *type_delete_fn;
   MPI_Win_delete_attr_function           *win_delete_fn;
 } smpi_delete_fn;
 
-typedef union smpi_copy_fn{
+typedef struct smpi_copy_fn{
   MPI_Comm_copy_attr_function          *comm_copy_fn;
   MPI_Type_copy_attr_function          *type_copy_fn;
   MPI_Win_copy_attr_function           *win_copy_fn;
@@ -35,8 +35,10 @@ typedef struct s_smpi_key_elem {
 typedef struct s_smpi_key_elem *smpi_key_elem;
 
 class Keyval{
-  protected:
+  private:
     std::unordered_map<int, void*> attributes_;
+  protected:
+    std::unordered_map<int, void*>* attributes();
   public:
 // Each subclass should have two members, as we want to separate the ones for Win, Comm, and Datatypes :  
 //    static std::unordered_map<int, smpi_key_elem> keyvals_;
@@ -47,6 +49,7 @@ class Keyval{
     template <typename T> int attr_get(int keyval, void* attr_value, int* flag);
     template <typename T> int attr_put(int keyval, void* attr_value);
     template <typename T> static int call_deleter(T* obj, smpi_key_elem elem, int keyval, void * value, int* flag);
+    template <typename T> void cleanup_attr();
 };
 
 template <typename T> int Keyval::keyval_create(smpi_copy_fn copy_fn, smpi_delete_fn delete_fn, int* keyval, void* extra_state){
@@ -79,26 +82,21 @@ template <typename T> int Keyval::keyval_free(int* keyval){
   return MPI_SUCCESS;
 }
 
-//specialized in smpi_keyvals.cpp
-template <typename T> int Keyval::call_deleter(T* obj, smpi_key_elem elem, int keyval, void * value, int* flag){
-  return MPI_SUCCESS;
-}
-
 template <typename T> int Keyval::attr_delete(int keyval){
   smpi_key_elem elem = T::keyvals_.at(keyval);
   if(elem==nullptr)
     return MPI_ERR_ARG;
   elem->refcount--;
   void * value = nullptr;
-  int flag;
+  int flag=0;
   if(this->attr_get<T>(keyval, &value, &flag)==MPI_SUCCESS){
     int ret = call_deleter<T>((T*)this, elem, keyval,value,&flag);
     if(ret!=MPI_SUCCESS)
         return ret;
   }
-  if(attributes_.empty())
+  if(attributes()->empty())
     return MPI_ERR_ARG;
-  attributes_.erase(keyval);
+  attributes()->erase(keyval);
   return MPI_SUCCESS;
 }
 
@@ -107,12 +105,12 @@ template <typename T> int Keyval::attr_get(int keyval, void* attr_value, int* fl
   smpi_key_elem elem = T::keyvals_.at(keyval);
   if(elem==nullptr)
     return MPI_ERR_ARG;
-  if(attributes_.empty()){
+  if(attributes()->empty()){
     *flag=0;
     return MPI_SUCCESS;
   }
   try {
-    *static_cast<void**>(attr_value) = attributes_.at(keyval);
+    *static_cast<void**>(attr_value) = attributes()->at(keyval);
     *flag=1;
   }
   catch (const std::out_of_range& oor) {
@@ -127,17 +125,34 @@ template <typename T> int Keyval::attr_put(int keyval, void* attr_value){
     return MPI_ERR_ARG;
   elem->refcount++;
   void * value = nullptr;
-  int flag;
+  int flag=0;
   this->attr_get<T>(keyval, &value, &flag);
   if(flag!=0){
     int ret = call_deleter<T>((T*)this, elem, keyval,value,&flag);
     if(ret!=MPI_SUCCESS)
         return ret;
   }
-  attributes_.insert({keyval, attr_value});
+  attributes()->insert({keyval, attr_value});
   return MPI_SUCCESS;
 }
 
+template <typename T> void Keyval::cleanup_attr(){
+  if(!attributes()->empty()){
+    int flag=0;
+    for(auto it : attributes_){
+      try{
+        smpi_key_elem elem = T::keyvals_.at(it.first);
+        if(elem != nullptr){
+          call_deleter<T>((T*)this, elem, it.first,it.second,&flag);
+        }
+      }catch(const std::out_of_range& oor) {
+        //already deleted, not a problem;
+        flag=0;
+      }
+    }
+  }
+}
+
 }
 }