15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2010 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/file_util.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/installer/util/create_dir_work_item.h" 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/installer/util/logging_installer.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)CreateDirWorkItem::~CreateDirWorkItem() { 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)CreateDirWorkItem::CreateDirWorkItem(const base::FilePath& path) 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : path_(path), 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) rollback_needed_(false) { 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void CreateDirWorkItem::GetTopDirToCreate() { 197dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch if (base::PathExists(path_)) { 202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) top_path_ = base::FilePath(); 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::FilePath parent_dir(path_); 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) do { 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) top_path_ = parent_dir; 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) parent_dir = parent_dir.DirName(); 287dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch } while ((parent_dir != top_path_) && !base::PathExists(parent_dir)); 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool CreateDirWorkItem::Do() { 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) VLOG(1) << "creating directory " << path_.value(); 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GetTopDirToCreate(); 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (top_path_.empty()) 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) VLOG(1) << "top directory that needs to be created: " << top_path_.value(); 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool result = file_util::CreateDirectory(path_); 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) VLOG(1) << "directory creation result: " << result; 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) rollback_needed_ = true; 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return result; 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void CreateDirWorkItem::Rollback() { 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!rollback_needed_) 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Delete all the directories we created to rollback. 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Note we can not recusively delete top_path_ since we don't want to 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // delete non-empty directory. (We may have created a shared directory). 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Instead we walk through path_ to top_path_ and delete directories 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // along the way. 562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::FilePath path_to_delete(path_); 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) while (1) { 597dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch if (base::PathExists(path_to_delete)) { 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!RemoveDirectory(path_to_delete.value().c_str())) 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (path_to_delete == top_path_) 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) path_to_delete = path_to_delete.DirName(); 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 70