| 13 | #include <cstdint> |
| 14 | |
| 15 | void FreespaceChecker::check() |
| 16 | { |
| 17 | QString dataDirStr = intro->getPathToCheck(); |
| 18 | fs::path dataDir = GUIUtil::QStringToPath(dataDirStr); |
| 19 | uint64_t freeBytesAvailable = 0; |
| 20 | int replyStatus = ST_OK; |
| 21 | QString replyMessage = tr("A new data directory will be created."); |
| 22 | |
| 23 | /* Find first parent that exists, so that fs::space does not fail */ |
| 24 | fs::path parentDir = dataDir; |
| 25 | fs::path parentDirOld = fs::path(); |
| 26 | while(parentDir.has_parent_path() && !fs::exists(parentDir)) |
| 27 | { |
| 28 | parentDir = parentDir.parent_path(); |
| 29 | |
| 30 | /* Check if we make any progress, break if not to prevent an infinite loop here */ |
| 31 | if (parentDirOld == parentDir) |
| 32 | break; |
| 33 | |
| 34 | parentDirOld = parentDir; |
| 35 | } |
| 36 | |
| 37 | try { |
| 38 | freeBytesAvailable = fs::space(parentDir).available; |
| 39 | if(fs::exists(dataDir)) |
| 40 | { |
| 41 | if(fs::is_directory(dataDir)) |
| 42 | { |
| 43 | QString separator = "<code>" + QDir::toNativeSeparators("/") + tr("name") + "</code>"; |
| 44 | replyStatus = ST_OK; |
| 45 | replyMessage = tr("Directory already exists. Add %1 if you intend to create a new directory here.").arg(separator); |
| 46 | } else { |
| 47 | replyStatus = ST_ERROR; |
| 48 | replyMessage = tr("Path already exists, and is not a directory."); |
| 49 | } |
| 50 | } |
| 51 | } catch (const fs::filesystem_error&) |
| 52 | { |
| 53 | /* Parent directory does not exist or is not accessible */ |
| 54 | replyStatus = ST_ERROR; |
| 55 | replyMessage = tr("Cannot create data directory here."); |
| 56 | } |
| 57 | Q_EMIT reply(replyStatus, replyMessage, freeBytesAvailable); |
| 58 | } |