general code cleanup

src/fuse_release.cpp

@@ -0,0 +1,64 @@
+/*
+  Copyright (c) 2016, Antonio SJ Musumeci <trapexit@spawn.link>
+
+  Permission to use, copy, modify, and/or distribute this software for any
+  purpose with or without fee is hereby granted, provided that the above
+  copyright notice and this permission notice appear in all copies.
+
+  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+#include "config.hpp"
+#include "errno.hpp"
+#include "fileinfo.hpp"
+#include "fs_base_close.hpp"
+#include "fs_base_fadvise.hpp"
+
+#include <fuse.h>
+
+#include <string>
+
+namespace l
+{
+  static
+  int
+  release(FileInfo   *fi_,
+          const bool  dropcacheonclose_)
+  {
+    // according to Feh of nocache calling it once doesn't always work
+    // https://github.com/Feh/nocache
+    if(dropcacheonclose_)
+      {
+        fs::fadvise_dontneed(fi_->fd);
+        fs::fadvise_dontneed(fi_->fd);
+      }
+
+    fs::close(fi_->fd);
+
+    delete fi_;
+
+    return 0;
+  }
+}
+
+namespace FUSE
+{
+  int
+  release(const char     *fusepath_,
+          fuse_file_info *ffi_)
+  {
+    const Config &config = Config::get();
+    FileInfo     *fi     = reinterpret_cast<FileInfo*>(ffi_->fh);
+
+    if(config.open_cache.timeout)
+      config.open_cache.cleanup(10);
+
+    return l::release(fi,config.dropcacheonclose);
+  }
+}