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authorMax Kellermann <max@duempel.org>2014-02-28 19:02:23 +0100
committerMax Kellermann <max@duempel.org>2014-03-01 06:25:57 +0100
commit96afa8bd2ba44d6669949db5fce4fee5f826b753 (patch)
treea484d32c412b2cb716cc149a42f702e8c3013f48 /src/command
parent797bbeabeb212ee3d818acdb19d85e2d8642f5ed (diff)
command: add command "listfiles"
Lists files and directories. Supports storage plugins.
Diffstat (limited to 'src/command')
-rw-r--r--src/command/AllCommands.cxx3
-rw-r--r--src/command/DatabaseCommands.cxx16
-rw-r--r--src/command/DatabaseCommands.hxx3
-rw-r--r--src/command/FileCommands.cxx72
-rw-r--r--src/command/FileCommands.hxx3
-rw-r--r--src/command/OtherCommands.cxx37
-rw-r--r--src/command/OtherCommands.hxx3
-rw-r--r--src/command/StorageCommands.cxx95
-rw-r--r--src/command/StorageCommands.hxx7
9 files changed, 237 insertions, 2 deletions
diff --git a/src/command/AllCommands.cxx b/src/command/AllCommands.cxx
index 488c27daa..ab4de823b 100644
--- a/src/command/AllCommands.cxx
+++ b/src/command/AllCommands.cxx
@@ -107,6 +107,9 @@ static const struct command commands[] = {
{ "list", PERMISSION_READ, 1, -1, handle_list },
{ "listall", PERMISSION_READ, 0, 1, handle_listall },
{ "listallinfo", PERMISSION_READ, 0, 1, handle_listallinfo },
+#endif
+ { "listfiles", PERMISSION_READ, 0, 1, handle_listfiles },
+#ifdef ENABLE_DATABASE
{ "listmounts", PERMISSION_READ, 0, 0, handle_listmounts },
#endif
#ifdef ENABLE_NEIGHBOR_PLUGINS
diff --git a/src/command/DatabaseCommands.cxx b/src/command/DatabaseCommands.cxx
index 9d00698c6..96ea357bc 100644
--- a/src/command/DatabaseCommands.cxx
+++ b/src/command/DatabaseCommands.cxx
@@ -32,6 +32,18 @@
#include "protocol/Result.hxx"
CommandResult
+handle_listfiles_db(Client &client, const char *uri)
+{
+ const DatabaseSelection selection(uri, false);
+
+ Error error;
+ if (!db_selection_print(client, selection, false, true, error))
+ return print_error(client, error);
+
+ return CommandResult::OK;
+}
+
+CommandResult
handle_lsinfo2(Client &client, int argc, char *argv[])
{
const char *const uri = argc == 2
@@ -42,7 +54,7 @@ handle_lsinfo2(Client &client, int argc, char *argv[])
const DatabaseSelection selection(uri, false);
Error error;
- if (!db_selection_print(client, selection, true, error))
+ if (!db_selection_print(client, selection, true, false, error))
return print_error(client, error);
return CommandResult::OK;
@@ -60,7 +72,7 @@ handle_match(Client &client, int argc, char *argv[], bool fold_case)
const DatabaseSelection selection("", true, &filter);
Error error;
- return db_selection_print(client, selection, true, error)
+ return db_selection_print(client, selection, true, false, error)
? CommandResult::OK
: print_error(client, error);
}
diff --git a/src/command/DatabaseCommands.hxx b/src/command/DatabaseCommands.hxx
index 8678f19c8..7a9c68ffe 100644
--- a/src/command/DatabaseCommands.hxx
+++ b/src/command/DatabaseCommands.hxx
@@ -25,6 +25,9 @@
class Client;
CommandResult
+handle_listfiles_db(Client &client, const char *uri);
+
+CommandResult
handle_lsinfo2(Client &client, int argc, char *argv[]);
CommandResult
diff --git a/src/command/FileCommands.cxx b/src/command/FileCommands.cxx
index e5cc9690f..f7ca28b50 100644
--- a/src/command/FileCommands.cxx
+++ b/src/command/FileCommands.cxx
@@ -17,6 +17,8 @@
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
+#define __STDC_FORMAT_MACROS /* for PRIu64 */
+
#include "config.h"
#include "FileCommands.hxx"
#include "CommandError.hxx"
@@ -33,9 +35,79 @@
#include "TagFile.hxx"
#include "storage/StorageInterface.hxx"
#include "fs/AllocatedPath.hxx"
+#include "fs/FileSystem.hxx"
+#include "TimePrint.hxx"
#include "ls.hxx"
#include <assert.h>
+#include <sys/stat.h>
+#include <inttypes.h> /* for PRIu64 */
+
+gcc_pure
+static bool
+SkipNameFS(const char *name_fs)
+{
+ return name_fs[0] == '.' &&
+ (name_fs[1] == 0 ||
+ (name_fs[1] == '.' && name_fs[2] == 0));
+}
+
+gcc_pure
+static bool
+skip_path(const char *name_fs)
+{
+ return strchr(name_fs, '\n') != nullptr;
+}
+
+CommandResult
+handle_listfiles_local(Client &client, const char *path_utf8)
+{
+ const auto path_fs = AllocatedPath::FromUTF8(path_utf8);
+ if (path_fs.IsNull()) {
+ command_error(client, ACK_ERROR_NO_EXIST,
+ "unsupported file name");
+ return CommandResult::ERROR;
+ }
+
+ Error error;
+ if (!client.AllowFile(path_fs, error))
+ return print_error(client, error);
+
+ DirectoryReader reader(path_fs);
+ if (reader.HasFailed()) {
+ error.FormatErrno("Failed to open '%s'", path_utf8);
+ return print_error(client, error);
+ }
+
+ while (reader.ReadEntry()) {
+ const Path name_fs = reader.GetEntry();
+ if (SkipNameFS(name_fs.c_str()) || skip_path(name_fs.c_str()))
+ continue;
+
+ std::string name_utf8 = name_fs.ToUTF8();
+ if (name_utf8.empty())
+ continue;
+
+ const AllocatedPath full_fs =
+ AllocatedPath::Build(path_fs, name_fs);
+ struct stat st;
+ if (!StatFile(full_fs, st, false))
+ continue;
+
+ if (S_ISREG(st.st_mode)) {
+ client_printf(client, "file: %s\n"
+ "size: %" PRIu64 "\n",
+ name_utf8.c_str(),
+ uint64_t(st.st_size));
+ } else if (S_ISDIR(st.st_mode))
+ client_printf(client, "directory: %s\n",
+ name_utf8.c_str());
+
+ time_print(client, "Last-Modified", st.st_mtime);
+ }
+
+ return CommandResult::OK;
+}
gcc_pure
static bool
diff --git a/src/command/FileCommands.hxx b/src/command/FileCommands.hxx
index 8858b62c9..51467a009 100644
--- a/src/command/FileCommands.hxx
+++ b/src/command/FileCommands.hxx
@@ -25,6 +25,9 @@
class Client;
CommandResult
+handle_listfiles_local(Client &client, const char *path_utf8);
+
+CommandResult
handle_read_comments(Client &client, int argc, char *argv[]);
#endif
diff --git a/src/command/OtherCommands.cxx b/src/command/OtherCommands.cxx
index 6415e84df..eac26735b 100644
--- a/src/command/OtherCommands.cxx
+++ b/src/command/OtherCommands.cxx
@@ -19,6 +19,8 @@
#include "config.h"
#include "OtherCommands.hxx"
+#include "FileCommands.hxx"
+#include "StorageCommands.hxx"
#include "CommandError.hxx"
#include "db/Uri.hxx"
#include "storage/StorageInterface.hxx"
@@ -112,6 +114,41 @@ print_tag(TagType type, const char *value, void *ctx)
tag_print(client, type, value);
}
+CommandResult
+handle_listfiles(Client &client, int argc, char *argv[])
+{
+ const char *const uri = argc == 2
+ ? argv[1]
+ /* default is root directory */
+ : "";
+
+ if (memcmp(uri, "file:///", 8) == 0)
+ /* list local directory */
+ return handle_listfiles_local(client, uri + 7);
+
+#ifdef ENABLE_DATABASE
+ if (uri_has_scheme(uri))
+ /* use storage plugin to list remote directory */
+ return handle_listfiles_storage(client, uri);
+
+ /* must be a path relative to the configured
+ music_directory */
+
+ if (client.partition.instance.storage != nullptr)
+ /* if we have a storage instance, obtain a list of
+ files from it */
+ return handle_listfiles_storage(client,
+ *client.partition.instance.storage,
+ uri);
+
+ /* fall back to entries from database if we have no storage */
+ return handle_listfiles_db(client, uri);
+#else
+ command_error(client, ACK_ERROR_NO_EXIST, "No database");
+ return CommandResult::ERROR;
+#endif
+}
+
static constexpr tag_handler print_tag_handler = {
nullptr,
print_tag,
diff --git a/src/command/OtherCommands.hxx b/src/command/OtherCommands.hxx
index 4f54303bd..f487e9605 100644
--- a/src/command/OtherCommands.hxx
+++ b/src/command/OtherCommands.hxx
@@ -40,6 +40,9 @@ CommandResult
handle_close(Client &client, int argc, char *argv[]);
CommandResult
+handle_listfiles(Client &client, int argc, char *argv[]);
+
+CommandResult
handle_lsinfo(Client &client, int argc, char *argv[]);
CommandResult
diff --git a/src/command/StorageCommands.cxx b/src/command/StorageCommands.cxx
index f0698f04b..ffee8cb74 100644
--- a/src/command/StorageCommands.cxx
+++ b/src/command/StorageCommands.cxx
@@ -17,6 +17,8 @@
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
+#define __STDC_FORMAT_MACROS /* for PRIu64 */
+
#include "config.h"
#include "StorageCommands.hxx"
#include "CommandError.hxx"
@@ -29,10 +31,103 @@
#include "Instance.hxx"
#include "storage/Registry.hxx"
#include "storage/CompositeStorage.hxx"
+#include "storage/FileInfo.hxx"
#include "db/plugins/simple/SimpleDatabasePlugin.hxx"
#include "db/update/Service.hxx"
+#include "TimePrint.hxx"
#include "Idle.hxx"
+#include <inttypes.h> /* for PRIu64 */
+
+gcc_pure
+static bool
+skip_path(const char *name_utf8)
+{
+ return strchr(name_utf8, '\n') != nullptr;
+}
+
+static bool
+handle_listfiles_storage(Client &client, StorageDirectoryReader &reader,
+ Error &error)
+{
+ const char *name_utf8;
+ while ((name_utf8 = reader.Read()) != nullptr) {
+ if (skip_path(name_utf8))
+ continue;
+
+ FileInfo info;
+ if (!reader.GetInfo(false, info, error))
+ continue;
+
+ switch (info.type) {
+ case FileInfo::Type::OTHER:
+ /* ignore */
+ continue;
+
+ case FileInfo::Type::REGULAR:
+ client_printf(client, "file: %s\n"
+ "size: %" PRIu64 "\n",
+ name_utf8,
+ info.size);
+ break;
+
+ case FileInfo::Type::DIRECTORY:
+ client_printf(client, "directory: %s\n", name_utf8);
+ break;
+ }
+
+ if (info.mtime != 0)
+ time_print(client, "Last-Modified", info.mtime);
+ }
+
+ return true;
+}
+
+static bool
+handle_listfiles_storage(Client &client, Storage &storage, const char *uri,
+ Error &error)
+{
+ auto reader = storage.OpenDirectory(uri, error);
+ if (reader == nullptr)
+ return false;
+
+ bool success = handle_listfiles_storage(client, *reader, error);
+ delete reader;
+ return success;
+}
+
+CommandResult
+handle_listfiles_storage(Client &client, Storage &storage, const char *uri)
+{
+ Error error;
+ if (!handle_listfiles_storage(client, storage, uri, error))
+ return print_error(client, error);
+
+ return CommandResult::OK;
+}
+
+CommandResult
+handle_listfiles_storage(Client &client, const char *uri)
+{
+ Error error;
+ Storage *storage = CreateStorageURI(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;
+ }
+
+ bool success = handle_listfiles_storage(client, *storage, "", error);
+ delete storage;
+ if (!success)
+ return print_error(client, error);
+
+ return CommandResult::OK;
+}
+
static void
print_storage_uri(Client &client, const Storage &storage)
{
diff --git a/src/command/StorageCommands.hxx b/src/command/StorageCommands.hxx
index 82470a0e2..905cd636e 100644
--- a/src/command/StorageCommands.hxx
+++ b/src/command/StorageCommands.hxx
@@ -23,6 +23,13 @@
#include "CommandResult.hxx"
class Client;
+class Storage;
+
+CommandResult
+handle_listfiles_storage(Client &client, Storage &storage, const char *uri);
+
+CommandResult
+handle_listfiles_storage(Client &client, const char *uri);
CommandResult
handle_listmounts(Client &client, int argc, char *argv[]);