add missing new file

[simgrid.git] / src / surf / FileImpl.cpp

diff --git a/src/surf/FileImpl.cpp b/src/surf/FileImpl.cpp
new file mode 100644 (file)
index 0000000..2380376
--- /dev/null
+++ b/src/surf/FileImpl.cpp
@@ -0,0 +1,49 @@
+/* Copyright (c) 2017. The SimGrid Team.
+ * All rights reserved.                                                     */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
+#include "src/surf/FileImpl.hpp"
+#include "src/surf/HostImpl.hpp"
+
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_file, surf, "Logging specific to the SURF file module");
+namespace simgrid {
+namespace surf {
+
+int FileImpl::seek(sg_offset_t offset, int origin)
+{
+  switch (origin) {
+    case SEEK_SET:
+      current_position_ = offset;
+      return 0;
+    case SEEK_CUR:
+      current_position_ += offset;
+      return 0;
+    case SEEK_END:
+      current_position_ = size_ + offset;
+      return 0;
+    default:
+      return -1;
+  }
+}
+
+int FileImpl::unlink(sg_host_t host)
+{
+  simgrid::surf::StorageImpl* st = host->pimpl_->findStorageOnMountList(mount_point_.c_str());
+  /* Check if the file is on this storage */
+  if (st->content_->find(path_) == st->content_->end()) {
+    XBT_WARN("File %s is not on disk %s. Impossible to unlink", cname(), st->cname());
+    return -1;
+  } else {
+    XBT_DEBUG("UNLINK %s on disk '%s'", cname(), st->cname());
+    st->usedSize_ -= size_;
+
+    // Remove the file from storage
+    st->content_->erase(path_);
+
+    return 0;
+  }
+}
+}
+}