tmp commit

include/fsmod/FileSystem.hpp

@@ -92,6 +92,8 @@ namespace simgrid::fsmod {
         [[nodiscard]] std::vector<std::shared_ptr<Partition>> get_partitions() const;
         [[nodiscard]] std::shared_ptr<Partition> get_partition_for_path_or_null(const std::string& full_path) const;
 
+        [[nodiscard]] sg_size_t get_free_space_at_path(const std::string &full_path) const;
+
     private:
         friend class File;
 

src/FileSystem.cpp

@@ -295,7 +295,6 @@ namespace simgrid::fsmod {
       * @return
       */
     std::shared_ptr<File> FileSystem::open(const std::string &full_path, const std::string& access_mode) {
-        std::cerr << "FSMON: OPENING FILE\n";
         // "Get a file descriptor"
         if (this->num_open_files_ >= this->max_num_open_files_) {
             throw TooManyOpenFilesException(XBT_THROW_POINT);
@@ -337,7 +336,6 @@ namespace simgrid::fsmod {
             file->current_position_ = metadata->get_current_size();
 
         this->num_open_files_++;
-        std::cerr << "FSMON: DONE OPENING FILE\n";
         return file;
     }
 
@@ -467,4 +465,17 @@ namespace simgrid::fsmod {
         partition->delete_directory(path_at_mount_point);
     }
 
+
+    /**
+     * @brief Returns the free space on the path's partition
+     * @param full_path: a path
+     * @return a number of bytes
+     */
+    sg_size_t FileSystem::get_free_space_at_path(const std::string &full_path) const {
+        std::string simplified_path = PathUtil::simplify_path_string(full_path);
+        auto [partition, path_at_mount_point] = this->find_path_at_mount_point(simplified_path);
+        return partition->get_free_space();
+    }
+
+
 }

src/PathUtil.cpp

@@ -60,7 +60,8 @@ namespace simgrid::fsmod {
      * @return True if mount_point is a prefix of  simplified_absolute_path, false otherwise
      */
     bool PathUtil::is_at_mount_point(std::string_view simplified_absolute_path, std::string_view mount_point) {
-        return simplified_absolute_path.rfind(mount_point, 0) == 0;
+        bool to_return =  simplified_absolute_path.rfind(mount_point, 0) == 0;
+        return to_return;
     }
 
     /**