- xbt_lib_cursor_t cursor;
- char *key;
- void **data;
- xbt_dynar_t result = xbt_dynar_new(sizeof(void*), nullptr);
- xbt_lib_foreach(storage_lib, cursor, key, data) {
- if (xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), SURF_STORAGE_LEVEL) != nullptr) {
- simgrid::surf::Storage* storage = static_cast<simgrid::surf::Storage*>(
- xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), SURF_STORAGE_LEVEL));
- if (!strcmp((const char*)storage->attach_, piface_->name().c_str())) {
- xbt_dynar_push_as(result, void*, (void*)storage->getName());
- }
- }
- }
- return result;
-}
-
-Action *HostImpl::open(const char* fullpath) {
-
- simgrid::surf::Storage *st = nullptr;
- s_mount_t mnt;
- unsigned int cursor;
- size_t longest_prefix_length = 0;
- char *path = nullptr;
- char *file_mount_name = nullptr;
- char *mount_name = nullptr;
-
- XBT_DEBUG("Search for storage name for '%s' on '%s'", fullpath, piface_->name().c_str());
- xbt_dynar_foreach(storage_,cursor,mnt)
- {
- XBT_DEBUG("See '%s'",mnt.name);
- file_mount_name = (char *) xbt_malloc ((strlen(mnt.name)+1));
- strncpy(file_mount_name,fullpath,strlen(mnt.name)+1);
- file_mount_name[strlen(mnt.name)] = '\0';
-
- if(!strcmp(file_mount_name,mnt.name) && strlen(mnt.name)>longest_prefix_length)
- {/* The current mount name is found in the full path and is bigger than the previous*/
- longest_prefix_length = strlen(mnt.name);
- st = static_cast<simgrid::surf::Storage*>(mnt.storage);
- }
- free(file_mount_name);
- }
- if(longest_prefix_length>0)
- { /* Mount point found, split fullpath into mount_name and path+filename*/
- path = (char *) xbt_malloc ((strlen(fullpath)-longest_prefix_length+1));
- mount_name = (char *) xbt_malloc ((longest_prefix_length+1));
- strncpy(mount_name, fullpath, longest_prefix_length+1);
- strncpy(path, fullpath+longest_prefix_length, strlen(fullpath)-longest_prefix_length+1);
- path[strlen(fullpath)-longest_prefix_length] = '\0';
- mount_name[longest_prefix_length] = '\0';
- }
- else
- xbt_die("Can't find mount point for '%s' on '%s'", fullpath, piface_->name().c_str());
-
- XBT_DEBUG("OPEN %s on disk '%s'",path, st->getName());
- Action *action = st->open((const char*)mount_name, (const char*)path);
- free((char*)path);
- free((char*)mount_name);
- return action;
-}
-
-Action *HostImpl::close(surf_file_t fd) {
- simgrid::surf::Storage *st = findStorageOnMountList(fd->mount);
- XBT_DEBUG("CLOSE %s on disk '%s'",fd->name, st->getName());
- return st->close(fd);
-}
-
-Action *HostImpl::read(surf_file_t fd, sg_size_t size) {
- simgrid::surf::Storage *st = findStorageOnMountList(fd->mount);
- XBT_DEBUG("READ %s on disk '%s'",fd->name, st->getName());
- return st->read(fd, size);
-}
-
-Action *HostImpl::write(surf_file_t fd, sg_size_t size) {
- simgrid::surf::Storage *st = findStorageOnMountList(fd->mount);
- XBT_DEBUG("WRITE %s on disk '%s'",fd->name, st->getName());
- return st->write(fd, size);
-}
-
-int HostImpl::unlink(surf_file_t fd) {
- if (!fd){
- XBT_WARN("No such file descriptor. Impossible to unlink");
- return -1;
- } else {
-
- simgrid::surf::Storage *st = findStorageOnMountList(fd->mount);
- /* Check if the file is on this storage */
- if (!xbt_dict_get_or_null(st->content_, fd->name)){
- XBT_WARN("File %s is not on disk %s. Impossible to unlink", fd->name,
- st->getName());
- return -1;
- } else {
- XBT_DEBUG("UNLINK %s on disk '%s'",fd->name, st->getName());
- st->usedSize_ -= fd->size;
-
- // Remove the file from storage
- xbt_dict_remove(st->content_, fd->name);
-
- xbt_free(fd->name);
- xbt_free(fd->mount);
- xbt_free(fd);
- return 0;