db: add compile-time option to disable database

7 files changed, 56 insertions, 4 deletions

diff --git a/src/command/AllCommands.cxx b/src/command/AllCommands.cxx
index 750fd1219..3bc6ff6a9 100644
--- a/src/command/AllCommands.cxx
+++ b/src/command/AllCommands.cxx
@@ -85,7 +85,9 @@ static const struct command commands[] = {
 	{ "commands", PERMISSION_NONE, 0, 0, handle_commands },
 	{ "config", PERMISSION_ADMIN, 0, 0, handle_config },
 	{ "consume", PERMISSION_CONTROL, 1, 1, handle_consume },
+#ifdef ENABLE_DATABASE
 	{ "count", PERMISSION_READ, 2, -1, handle_count },
+#endif
 	{ "crossfade", PERMISSION_CONTROL, 1, 1, handle_crossfade },
 	{ "currentsong", PERMISSION_READ, 0, 0, handle_currentsong },
 	{ "decoders", PERMISSION_READ, 0, 0, handle_decoders },
@@ -93,13 +95,17 @@ static const struct command commands[] = {
 	{ "deleteid", PERMISSION_CONTROL, 1, 1, handle_deleteid },
 	{ "disableoutput", PERMISSION_ADMIN, 1, 1, handle_disableoutput },
 	{ "enableoutput", PERMISSION_ADMIN, 1, 1, handle_enableoutput },
+#ifdef ENABLE_DATABASE
 	{ "find", PERMISSION_READ, 2, -1, handle_find },
 	{ "findadd", PERMISSION_READ, 2, -1, handle_findadd},
+#endif
 	{ "idle", PERMISSION_READ, 0, -1, handle_idle },
 	{ "kill", PERMISSION_ADMIN, -1, -1, handle_kill },
+#ifdef ENABLE_DATABASE
 	{ "list", PERMISSION_READ, 1, -1, handle_list },
 	{ "listall", PERMISSION_READ, 0, 1, handle_listall },
 	{ "listallinfo", PERMISSION_READ, 0, 1, handle_listallinfo },
+#endif
 #ifdef ENABLE_NEIGHBOR_PLUGINS
 	{ "listneighbors", PERMISSION_READ, 0, 0, handle_listneighbors },
 #endif
@@ -146,9 +152,11 @@ static const struct command commands[] = {
 	{ "rescan", PERMISSION_CONTROL, 0, 1, handle_rescan },
 	{ "rm", PERMISSION_CONTROL, 1, 1, handle_rm },
 	{ "save", PERMISSION_CONTROL, 1, 1, handle_save },
+#ifdef ENABLE_DATABASE
 	{ "search", PERMISSION_READ, 2, -1, handle_search },
 	{ "searchadd", PERMISSION_ADD, 2, -1, handle_searchadd },
 	{ "searchaddpl", PERMISSION_CONTROL, 3, -1, handle_searchaddpl },
+#endif
 	{ "seek", PERMISSION_CONTROL, 2, 2, handle_seek },
 	{ "seekcur", PERMISSION_CONTROL, 1, 1, handle_seekcur },
 	{ "seekid", PERMISSION_CONTROL, 2, 2, handle_seekid },
diff --git a/src/command/CommandError.cxx b/src/command/CommandError.cxx
index 73e363f24..c94ffea63 100644
--- a/src/command/CommandError.cxx
+++ b/src/command/CommandError.cxx
@@ -101,6 +101,7 @@ print_error(Client &client, const Error &error)
 		command_error(client, (ack)error.GetCode(),
 			      "%s", error.GetMessage());
 		return CommandResult::ERROR;
+#ifdef ENABLE_DATABASE
 	} else if (error.IsDomain(db_domain)) {
 		switch ((enum db_error)error.GetCode()) {
 		case DB_DISABLED:
@@ -112,6 +113,7 @@ print_error(Client &client, const Error &error)
 			command_error(client, ACK_ERROR_NO_EXIST, "Not found");
 			return CommandResult::ERROR;
 		}
+#endif
 	} else if (error.IsDomain(errno_domain)) {
 		command_error(client, ACK_ERROR_SYSTEM, "%s",
 			      strerror(error.GetCode()));
diff --git a/src/command/FileCommands.cxx b/src/command/FileCommands.cxx
index b3676fa48..345e9b85b 100644
--- a/src/command/FileCommands.cxx
+++ b/src/command/FileCommands.cxx
@@ -127,12 +127,17 @@ handle_read_comments(Client &client, gcc_unused int argc, char *argv[])
 	} else if (uri_has_scheme(uri)) {
 		return read_stream_comments(client, uri);
 	} else if (*uri != '/') {
+#ifdef ENABLE_DATABASE
 		path_fs = map_uri_fs(uri);
 		if (path_fs.IsNull()) {
 			command_error(client, ACK_ERROR_NO_EXIST,
 				      "No such file");
 			return CommandResult::ERROR;
 		}
+#else
+		command_error(client, ACK_ERROR_NO_EXIST, "No database");
+		return CommandResult::ERROR;
+#endif
 	} else {
 		command_error(client, ACK_ERROR_NO_EXIST, "No such file");
 		return CommandResult::ERROR;
diff --git a/src/command/OtherCommands.cxx b/src/command/OtherCommands.cxx
index 3c546b9b4..76f97f389 100644
--- a/src/command/OtherCommands.cxx
+++ b/src/command/OtherCommands.cxx
@@ -19,8 +19,6 @@
 
 #include "config.h"
 #include "OtherCommands.hxx"
-#include "DatabaseCommands.hxx"
-#include "db/update/Service.hxx"
 #include "CommandError.hxx"
 #include "db/Uri.hxx"
 #include "DetachedSong.hxx"
@@ -49,6 +47,11 @@
 #include "Instance.hxx"
 #include "Idle.hxx"
 
+#ifdef ENABLE_DATABASE
+#include "DatabaseCommands.hxx"
+#include "db/update/Service.hxx"
+#endif
+
 #include <assert.h>
 #include <string.h>
 
@@ -170,14 +173,21 @@ handle_lsinfo(Client &client, int argc, char *argv[])
 		return CommandResult::OK;
 	}
 
+#ifdef ENABLE_DATABASE
 	CommandResult result = handle_lsinfo2(client, argc, argv);
 	if (result != CommandResult::OK)
 		return result;
+#endif
 
 	if (isRootDirectory(uri)) {
 		Error error;
 		const auto &list = ListPlaylistFiles(error);
 		print_spl_list(client, list);
+	} else {
+#ifndef ENABLE_DATABASE
+		command_error(client, ACK_ERROR_NO_EXIST, "No database");
+		return CommandResult::ERROR;
+#endif
 	}
 
 	return CommandResult::OK;
@@ -186,6 +196,7 @@ handle_lsinfo(Client &client, int argc, char *argv[])
 static CommandResult
 handle_update(Client &client, int argc, char *argv[], bool discard)
 {
+#ifdef ENABLE_DATABASE
 	const char *path = "";
 
 	assert(argc <= 2);
@@ -217,6 +228,15 @@ handle_update(Client &client, int argc, char *argv[], bool discard)
 			      "already updating");
 		return CommandResult::ERROR;
 	}
+#else
+	(void)client;
+	(void)argc;
+	(void)argv;
+	(void)discard;
+
+	command_error(client, ACK_ERROR_NO_EXIST, "No database");
+	return CommandResult::ERROR;
+#endif
 }
 
 CommandResult
@@ -329,9 +349,11 @@ handle_config(Client &client,
 		return CommandResult::ERROR;
 	}
 
+#ifdef ENABLE_DATABASE
 	const char *path = mapper_get_music_directory_utf8();
 	if (path != nullptr)
 		client_printf(client, "music_directory: %s\n", path);
+#endif
 
 	return CommandResult::OK;
 }
diff --git a/src/command/PlayerCommands.cxx b/src/command/PlayerCommands.cxx
index d51dbdc3d..a4e0ec0a7 100644
--- a/src/command/PlayerCommands.cxx
+++ b/src/command/PlayerCommands.cxx
@@ -22,7 +22,6 @@
 #include "CommandError.hxx"
 #include "Playlist.hxx"
 #include "PlaylistPrint.hxx"
-#include "db/update/Service.hxx"
 #include "client/Client.hxx"
 #include "mixer/Volume.hxx"
 #include "Partition.hxx"
@@ -32,6 +31,10 @@
 #include "AudioFormat.hxx"
 #include "ReplayGainConfig.hxx"
 
+#ifdef ENABLE_DATABASE
+#include "db/update/Service.hxx"
+#endif
+
 #define COMMAND_STATUS_STATE            "state"
 #define COMMAND_STATUS_REPEAT           "repeat"
 #define COMMAND_STATUS_SINGLE           "single"
@@ -187,6 +190,7 @@ handle_status(Client &client,
 		}
 	}
 
+#ifdef ENABLE_DATABASE
 	const UpdateService *update_service = client.partition.instance.update;
 	unsigned updateJobId = update_service != nullptr
 		? update_service->GetId()
@@ -196,6 +200,7 @@ handle_status(Client &client,
 			      COMMAND_STATUS_UPDATING_DB ": %i\n",
 			      updateJobId);
 	}
+#endif
 
 	Error error = client.player_control.LockGetError();
 	if (error.IsDefined())
diff --git a/src/command/PlaylistCommands.cxx b/src/command/PlaylistCommands.cxx
index bd2e24a17..272fb0ee4 100644
--- a/src/command/PlaylistCommands.cxx
+++ b/src/command/PlaylistCommands.cxx
@@ -193,9 +193,14 @@ handle_playlistadd(Client &client, gcc_unused int argc, char *argv[])
 		}
 
 		success = spl_append_uri(uri, playlist, error);
-	} else
+	} else {
+#ifdef ENABLE_DATABASE
 		success = search_add_to_playlist(uri, playlist, nullptr,
 						 error);
+#else
+		success = false;
+#endif
+	}
 
 	if (!success && !error.IsDefined()) {
 		command_error(client, ACK_ERROR_NO_EXIST,
diff --git a/src/command/QueueCommands.cxx b/src/command/QueueCommands.cxx
index ed2b551c4..0f326698b 100644
--- a/src/command/QueueCommands.cxx
+++ b/src/command/QueueCommands.cxx
@@ -74,11 +74,16 @@ handle_add(Client &client, gcc_unused int argc, char *argv[])
 		return print_playlist_result(client, result);
 	}
 
+#ifdef ENABLE_DATABASE
 	const DatabaseSelection selection(uri, true);
 	Error error;
 	return AddFromDatabase(client.partition, selection, error)
 		? CommandResult::OK
 		: print_error(client, error);
+#else
+	command_error(client, ACK_ERROR_NO_EXIST, "No database");
+	return CommandResult::ERROR;
+#endif
 }
 
 CommandResult