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Diffstat (limited to '')
| -rw-r--r-- | src/command/StorageCommands.cxx | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/src/command/StorageCommands.cxx b/src/command/StorageCommands.cxx new file mode 100644 index 000000000..92d235f4c --- /dev/null +++ b/src/command/StorageCommands.cxx @@ -0,0 +1,142 @@ +/* + * Copyright (C) 2003-2014 The Music Player Daemon Project + * http://www.musicpd.org + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include "config.h" +#include "StorageCommands.hxx" +#include "CommandError.hxx" +#include "protocol/Result.hxx" +#include "util/UriUtil.hxx" +#include "util/Error.hxx" +#include "fs/Traits.hxx" +#include "client/Client.hxx" +#include "Partition.hxx" +#include "Instance.hxx" +#include "storage/Registry.hxx" +#include "storage/CompositeStorage.hxx" +#include "Idle.hxx" + +static void +print_storage_uri(Client &client, const Storage &storage) +{ + std::string uri = storage.MapUTF8(""); + if (uri.empty()) + return; + + if (PathTraitsFS::IsAbsolute(uri.c_str())) { + /* storage points to local directory */ + + if (!client.IsLocal()) + /* only "local" clients may see local paths + (same policy as with the "config" + command) */ + return; + } else { + /* hide username/passwords from client */ + + std::string allocated = uri_remove_auth(uri.c_str()); + if (!allocated.empty()) + uri = std::move(allocated); + } + + client_printf(client, "storage: %s\n", uri.c_str()); +} + +CommandResult +handle_listmounts(Client &client, gcc_unused int argc, gcc_unused char *argv[]) +{ + Storage *_composite = client.partition.instance.storage; + if (_composite == nullptr) { + command_error(client, ACK_ERROR_NO_EXIST, "No database"); + return CommandResult::ERROR; + } + + CompositeStorage &composite = *(CompositeStorage *)_composite; + + const auto visitor = [&client](const char *mount_uri, + const Storage &storage){ + client_printf(client, "mount: %s\n", mount_uri); + print_storage_uri(client, storage); + }; + + composite.VisitMounts(visitor); + + return CommandResult::OK; +} + +CommandResult +handle_mount(Client &client, gcc_unused int argc, char *argv[]) +{ + Storage *_composite = client.partition.instance.storage; + if (_composite == nullptr) { + command_error(client, ACK_ERROR_NO_EXIST, "No database"); + return CommandResult::ERROR; + } + + CompositeStorage &composite = *(CompositeStorage *)_composite; + + const char *const local_uri = argv[1]; + const char *const remote_uri = argv[2]; + + if (*local_uri == 0) { + command_error(client, ACK_ERROR_ARG, "Bad mount point"); + return CommandResult::ERROR; + } + + Error error; + Storage *storage = CreateStorageURI(remote_uri, error); + if (storage == nullptr) { + if (error.IsDefined()) + return print_error(client, error); + + command_error(client, ACK_ERROR_ARG, + "Unrecognized storage URI"); + return CommandResult::ERROR; + } + + composite.Mount(local_uri, storage); + idle_add(IDLE_MOUNT); + return CommandResult::OK; +} + +CommandResult +handle_unmount(Client &client, gcc_unused int argc, char *argv[]) +{ + Storage *_composite = client.partition.instance.storage; + if (_composite == nullptr) { + command_error(client, ACK_ERROR_NO_EXIST, "No database"); + return CommandResult::ERROR; + } + + CompositeStorage &composite = *(CompositeStorage *)_composite; + + const char *const local_uri = argv[1]; + + if (*local_uri == 0) { + command_error(client, ACK_ERROR_ARG, "Bad mount point"); + return CommandResult::ERROR; + } + + if (!composite.Unmount(local_uri)) { + command_error(client, ACK_ERROR_ARG, "Not a mount point"); + return CommandResult::ERROR; + } + + idle_add(IDLE_MOUNT); + return CommandResult::OK; +} |