[PATCH BlueZ v4 0/8] Remove support for external plugins

[PATCH BlueZ v4 0/8] Remove support for external plugins

[Emil Velikov via B4 Relay]

Hello everyone,

With v4 we have moved from pre-processor to compilation checking for the
external plugins support.

Namely, as we build without one the dead-code elimination will discard
all the relevant code. Ultimately this means we compile check both paths
in order to catch mistakes. Thanks to Luiz for the suggestion.

Link to the previous revision can be found below.

Thanks
Emil

- Link to v3: https://lore.kernel.org/r/20240125-rm-ext-plugins-v3-0-d141f7870bb6@gmail.com

---
Emil Velikov (8):
      configure, README: introduce --enable-external-plugins
      obexd: factor out external plugin support
      bluetoothd: remove external-dummy plugin
      bluetoothd: convert external sixaxis plugin to builtin
      bluetoothd: factor out external plugin support
      bluetoothd: don't export internal API
      bluetoothd: change plugin loading alike obexd
      android: export only (android) entrypoint from the modules

 Makefile.am              |  17 ++----
 Makefile.obexd           |   2 +
 Makefile.plugins         |   8 ++-
 README                   |  13 +++++
 android/Makefile.am      |   3 ++
 android/hal-audio.c      |   1 +
 android/hal-bluetooth.c  |   1 +
 android/hal-sco.c        |   1 +
 configure.ac             |  10 ++++
 obexd/src/obexd.h        |   2 +-
 obexd/src/plugin.c       |  89 ++++++++++++++++++++-----------
 obexd/src/plugin.h       |   4 ++
 plugins/external-dummy.c |  28 ----------
 src/btd.h                |   2 +-
 src/plugin.c             | 135 ++++++++++++++++++++++++++++-------------------
 src/plugin.h             |   4 ++
 16 files changed, 188 insertions(+), 132 deletions(-)
---
base-commit: 0de32f67f685b95c35a5c2f1206081af89bd88b6
change-id: 20240116-rm-ext-plugins-ba0b852a492b

Best regards,
-- 
Emil Velikov <emil.l.velikov@gmail.com>

[PATCH BlueZ v4 1/8] configure, README: introduce --enable-external-plugins

[Emil Velikov via B4 Relay]

From: Emil Velikov <emil.velikov@collabora.com>

As the README chunk says, disabled by default, since they rely on
internal API/ABI and can break at any point.

Instead everyone affected should work and upstream their plugin into the
bluez project.
---
 README       | 13 +++++++++++++
 configure.ac | 10 ++++++++++
 2 files changed, 23 insertions(+)

diff --git a/README b/README
index 7de7045a8..6c0777046 100644
--- a/README
+++ b/README
@@ -249,6 +249,19 @@ For a working system, certain configuration options need to be enabled:
 		systems. The behavior of the deprecated tools may be unstable
 		or simply don't work anymore.
 
+	--enable-external-plugins
+
+		Enable support for external plugins
+
+		By default external plugins for bluetoothd and obexd are not
+		supported and thus disabled.
+
+		External plugins require access to internal, undocumented and
+		unversioned API in said daemons. As such they can break at any
+		time. If you have such plugins, enable this option and work
+		actively with the community to make said plugin part of the
+		upstream bluez project.
+
 	--enable-nfc
 
 		This option enable NFC pairing support.
diff --git a/configure.ac b/configure.ac
index b4d362494..5eb7ee0e0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -364,6 +364,16 @@ AC_ARG_ENABLE(deprecated, AS_HELP_STRING([--enable-deprecated],
 					[enable_deprecated=${enableval}])
 AM_CONDITIONAL(DEPRECATED, test "${enable_deprecated}" = "yes")
 
+AC_ARG_ENABLE(external-plugsin, AS_HELP_STRING([--enable-external-plugins],
+			[enable support for external plugins]),
+					[enable_external_plugins=${enableval}])
+AM_CONDITIONAL(EXTERNAL_PLUGINS, test "${enable_external_plugins}" = "yes")
+if (test "${enable_external_plugins}" = "yes"); then
+	AC_DEFINE(EXTERNAL_PLUGINS, 1, [Define if external plugin support is required])
+else
+	AC_DEFINE(EXTERNAL_PLUGINS, 0, [Define if external plugin support is required])
+fi
+
 AC_ARG_ENABLE(sixaxis, AS_HELP_STRING([--enable-sixaxis],
 		[enable sixaxis plugin]), [enable_sixaxis=${enableval}])
 AM_CONDITIONAL(SIXAXIS, test "${enable_sixaxis}" = "yes" &&

-- 
2.43.0

[PATCH BlueZ v4 2/8] obexd: factor out external plugin support

[Emil Velikov via B4 Relay]

From: Emil Velikov <emil.velikov@collabora.com>

As a whole all plugins should be built-in, otherwise they would be using
internal, undocumented, unversioned, unstable API.

Flesh out the external plugin support into a few blocks and simplify the
normal path. Guard the external plugin support behind a runtime check,
which will be dead-code eliminated in the default case.

Hide the internal API (omit export-dynamic) when built without external
plugins.
---
 Makefile.obexd     |  2 ++
 obexd/src/obexd.h  |  2 +-
 obexd/src/plugin.c | 89 ++++++++++++++++++++++++++++++++++++------------------
 obexd/src/plugin.h |  4 +++
 4 files changed, 66 insertions(+), 31 deletions(-)

diff --git a/Makefile.obexd b/Makefile.obexd
index 363295d0e..0e50b1fa4 100644
--- a/Makefile.obexd
+++ b/Makefile.obexd
@@ -92,7 +92,9 @@ obexd_src_obexd_LDADD = lib/libbluetooth-internal.la \
 			$(ICAL_LIBS) $(DBUS_LIBS) $(LIBEBOOK_LIBS) \
 			$(LIBEDATASERVER_LIBS) $(GLIB_LIBS) -ldl
 
+if EXTERNAL_PLUGINS
 obexd_src_obexd_LDFLAGS = $(AM_LDFLAGS) -Wl,--export-dynamic
+endif
 
 obexd_src_obexd_CPPFLAGS = $(AM_CPPFLAGS) $(GLIB_CFLAGS) $(DBUS_CFLAGS) \
 				$(ICAL_CFLAGS) -DOBEX_PLUGIN_BUILTIN \
diff --git a/obexd/src/obexd.h b/obexd/src/obexd.h
index fe312a65b..af5265da5 100644
--- a/obexd/src/obexd.h
+++ b/obexd/src/obexd.h
@@ -18,7 +18,7 @@
 #define OBEX_MAS	(1 << 8)
 #define OBEX_MNS	(1 << 9)
 
-gboolean plugin_init(const char *pattern, const char *exclude);
+void plugin_init(const char *pattern, const char *exclude);
 void plugin_cleanup(void);
 
 gboolean manager_init(void);
diff --git a/obexd/src/plugin.c b/obexd/src/plugin.c
index a3eb24753..14327782d 100644
--- a/obexd/src/plugin.c
+++ b/obexd/src/plugin.c
@@ -34,6 +34,8 @@
 #define PLUGINFLAG (RTLD_NOW)
 #endif
 
+#define IS_ENABLED(x) (x)
+
 static GSList *plugins = NULL;
 
 struct obex_plugin {
@@ -41,7 +43,8 @@ struct obex_plugin {
 	const struct obex_plugin_desc *desc;
 };
 
-static gboolean add_plugin(void *handle, const struct obex_plugin_desc *desc)
+static gboolean add_external_plugin(void *handle,
+					const struct obex_plugin_desc *desc)
 {
 	struct obex_plugin *plugin;
 
@@ -66,6 +69,25 @@ static gboolean add_plugin(void *handle, const struct obex_plugin_desc *desc)
 	return TRUE;
 }
 
+static void add_plugin(const struct obex_plugin_desc *desc)
+{
+	struct obex_plugin *plugin;
+
+	plugin = g_try_new0(struct obex_plugin, 1);
+	if (plugin == NULL)
+		return;
+
+	plugin->desc = desc;
+
+	if (desc->init() < 0) {
+		g_free(plugin);
+		return;
+	}
+
+	plugins = g_slist_append(plugins, plugin);
+	DBG("Plugin %s loaded", desc->name);
+}
+
 static gboolean check_plugin(const struct obex_plugin_desc *desc,
 				char **patterns, char **excludes)
 {
@@ -93,42 +115,22 @@ static gboolean check_plugin(const struct obex_plugin_desc *desc,
 }
 
 
-#include "builtin.h"
-
-gboolean plugin_init(const char *pattern, const char *exclude)
+static void external_plugin_init(char **patterns, char **excludes)
 {
-	char **patterns = NULL;
-	char **excludes = NULL;
 	GDir *dir;
 	const char *file;
-	unsigned int i;
 
-	if (strlen(PLUGINDIR) == 0)
-		return FALSE;
+	info("Using external plugins is not officially supported.\n");
+	info("Consider upstreaming your plugins into the BlueZ project.");
 
-	if (pattern)
-		patterns = g_strsplit_set(pattern, ":, ", -1);
-
-	if (exclude)
-		excludes = g_strsplit_set(exclude, ":, ", -1);
-
-	DBG("Loading builtin plugins");
-
-	for (i = 0; __obex_builtin[i]; i++) {
-		if (check_plugin(__obex_builtin[i],
-					patterns, excludes) == FALSE)
-			continue;
-
-		add_plugin(NULL,  __obex_builtin[i]);
-	}
+	if (strlen(PLUGINDIR) == 0)
+		return;
 
 	DBG("Loading plugins %s", PLUGINDIR);
 
 	dir = g_dir_open(PLUGINDIR, 0, NULL);
 	if (!dir) {
-		g_strfreev(patterns);
-		g_strfreev(excludes);
-		return FALSE;
+		return;
 	}
 
 	while ((file = g_dir_read_name(dir)) != NULL) {
@@ -164,15 +166,42 @@ gboolean plugin_init(const char *pattern, const char *exclude)
 			continue;
 		}
 
-		if (add_plugin(handle, desc) == FALSE)
+		if (add_external_plugin(handle, desc) == FALSE)
 			dlclose(handle);
 	}
 
 	g_dir_close(dir);
+}
+
+#include "builtin.h"
+
+void plugin_init(const char *pattern, const char *exclude)
+{
+	char **patterns = NULL;
+	char **excludes = NULL;
+	unsigned int i;
+
+	if (pattern)
+		patterns = g_strsplit_set(pattern, ":, ", -1);
+
+	if (exclude)
+		excludes = g_strsplit_set(exclude, ":, ", -1);
+
+	DBG("Loading builtin plugins");
+
+	for (i = 0; __obex_builtin[i]; i++) {
+		if (check_plugin(__obex_builtin[i],
+					patterns, excludes) == FALSE)
+			continue;
+
+		add_plugin(__obex_builtin[i]);
+	}
+
+	if IS_ENABLED(EXTERNAL_PLUGINS)
+		external_plugin_init(patterns, excludes);
+
 	g_strfreev(patterns);
 	g_strfreev(excludes);
-
-	return TRUE;
 }
 
 void plugin_cleanup(void)
diff --git a/obexd/src/plugin.h b/obexd/src/plugin.h
index a91746cbc..e1756b9bf 100644
--- a/obexd/src/plugin.h
+++ b/obexd/src/plugin.h
@@ -20,10 +20,14 @@ struct obex_plugin_desc {
 			#name, init, exit \
 		};
 #else
+#if EXTERNAL_PLUGINS
 #define OBEX_PLUGIN_DEFINE(name,init,exit) \
 		extern struct obex_plugin_desc obex_plugin_desc \
 				__attribute__ ((visibility("default"))); \
 		const struct obex_plugin_desc obex_plugin_desc = { \
 			#name, init, exit \
 		};
+#else
+#error "Requested non built-in plugin, while external plugins is disabled"
+#endif
 #endif

-- 
2.43.0

[PATCH BlueZ v4 3/8] bluetoothd: remove external-dummy plugin

[Emil Velikov via B4 Relay]

From: Emil Velikov <emil.velikov@collabora.com>

The external plugins infra is getting deprecated and disabled by
default. Remove this dummy plugin.
---
 Makefile.am              |  8 --------
 plugins/external-dummy.c | 28 ----------------------------
 2 files changed, 36 deletions(-)

diff --git a/Makefile.am b/Makefile.am
index 59603a0b7..9e35d7fd9 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -289,14 +289,6 @@ builtin_ldadd =
 
 include Makefile.plugins
 
-if MAINTAINER_MODE
-plugin_LTLIBRARIES += plugins/external-dummy.la
-plugins_external_dummy_la_SOURCES = plugins/external-dummy.c
-plugins_external_dummy_la_LDFLAGS = $(AM_LDFLAGS) -module -avoid-version \
-				    -no-undefined
-plugins_external_dummy_la_CFLAGS = $(AM_CFLAGS) -fvisibility=hidden
-endif
-
 pkglibexec_PROGRAMS += src/bluetoothd
 
 src_bluetoothd_SOURCES = $(builtin_sources) \
diff --git a/plugins/external-dummy.c b/plugins/external-dummy.c
deleted file mode 100644
index 1c209e8b7..000000000
--- a/plugins/external-dummy.c
+++ /dev/null
@@ -1,28 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- *
- *  BlueZ - Bluetooth protocol stack for Linux
- *
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include "src/plugin.h"
-#include "src/log.h"
-
-static int dummy_init(void)
-{
-	DBG("");
-
-	return 0;
-}
-
-static void dummy_exit(void)
-{
-	DBG("");
-}
-
-BLUETOOTH_PLUGIN_DEFINE(external_dummy, VERSION,
-		BLUETOOTH_PLUGIN_PRIORITY_LOW, dummy_init, dummy_exit)

-- 
2.43.0

[PATCH BlueZ v4 4/8] bluetoothd: convert external sixaxis plugin to builtin

[Emil Velikov via B4 Relay]

From: Emil Velikov <emil.velikov@collabora.com>

Convert the only known external plugin to built-in. It's a tiny 20K
binary that distros ship a separate package for.

Make it a builtin, which allows distros to drop the separate package, it
also enables us to compile out support for external modules - both in
terms of extra code and hide the internal bluetoothd API.

This means that libudev.so is pulled in, which is fine since its ABI has
been stable for over a decade.
---
 Makefile.plugins | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/Makefile.plugins b/Makefile.plugins
index 5880ed0df..7cf66fd59 100644
--- a/Makefile.plugins
+++ b/Makefile.plugins
@@ -110,11 +110,9 @@ builtin_modules += battery
 builtin_sources += profiles/battery/battery.c
 
 if SIXAXIS
-plugin_LTLIBRARIES += plugins/sixaxis.la
-plugins_sixaxis_la_SOURCES = plugins/sixaxis.c
-plugins_sixaxis_la_LDFLAGS = $(AM_LDFLAGS) -module -avoid-version
-plugins_sixaxis_la_LIBADD = $(UDEV_LIBS)
-plugins_sixaxis_la_CFLAGS = $(AM_CFLAGS) -fvisibility=hidden
+builtin_modules += sixaxis
+builtin_sources += plugins/sixaxis.c
+builtin_ldadd += $(UDEV_LIBS)
 endif
 
 if BAP

-- 
2.43.0

[PATCH BlueZ v4 5/8] bluetoothd: factor out external plugin support

[Emil Velikov via B4 Relay]

From: Emil Velikov <emil.velikov@collabora.com>

As a whole all plugins should be built-in, otherwise they would be using
internal, undocumented, unversioned, unstable API.

Flesh out the external plugin support and simplify the normal path.
Guard the external plugin support behind a runtime check, which will be
dead-code eliminated in the default case.
---
 Makefile.am  |  4 ---
 src/btd.h    |  2 +-
 src/plugin.c | 92 +++++++++++++++++++++++++++++++++++++-----------------------
 src/plugin.h |  4 +++
 4 files changed, 62 insertions(+), 40 deletions(-)

diff --git a/Makefile.am b/Makefile.am
index 9e35d7fd9..2d5650ced 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -51,11 +51,7 @@ EXTRA_DIST += src/org.bluez.service
 
 plugindir = $(libdir)/bluetooth/plugins
 
-if MAINTAINER_MODE
-build_plugindir = $(abs_top_srcdir)/plugins/.libs
-else
 build_plugindir = $(plugindir)
-endif
 
 if MANPAGES
 man_MANS =
diff --git a/src/btd.h b/src/btd.h
index b7e7ebd61..7166e2168 100644
--- a/src/btd.h
+++ b/src/btd.h
@@ -155,7 +155,7 @@ struct btd_opts {
 
 extern struct btd_opts btd_opts;
 
-gboolean plugin_init(const char *enable, const char *disable);
+void plugin_init(const char *enable, const char *disable);
 void plugin_cleanup(void);
 
 void rfkill_init(void);
diff --git a/src/plugin.c b/src/plugin.c
index 2a29a888e..b6a84299a 100644
--- a/src/plugin.c
+++ b/src/plugin.c
@@ -26,6 +26,8 @@
 #include "src/log.h"
 #include "src/btd.h"
 
+#define IS_ENABLED(x) (x)
+
 static GSList *plugins = NULL;
 
 struct bluetooth_plugin {
@@ -42,7 +44,7 @@ static int compare_priority(gconstpointer a, gconstpointer b)
 	return plugin2->desc->priority - plugin1->desc->priority;
 }
 
-static gboolean add_plugin(void *handle,
+static gboolean add_external_plugin(void *handle,
 				const struct bluetooth_plugin_desc *desc)
 {
 	struct bluetooth_plugin *plugin;
@@ -72,6 +74,21 @@ static gboolean add_plugin(void *handle,
 	return TRUE;
 }
 
+static void add_plugin(const struct bluetooth_plugin_desc *desc)
+{
+	struct bluetooth_plugin *plugin;
+
+	DBG("Loading %s plugin", desc->name);
+
+	plugin = g_try_new0(struct bluetooth_plugin, 1);
+	if (plugin == NULL)
+		return;
+
+	plugin->desc = desc;
+
+	plugins = g_slist_insert_sorted(plugins, plugin, compare_priority);
+}
+
 static gboolean enable_plugin(const char *name, char **cli_enable,
 							char **cli_disable)
 {
@@ -98,48 +115,23 @@ static gboolean enable_plugin(const char *name, char **cli_enable,
 	return TRUE;
 }
 
-#include "src/builtin.h"
 
-gboolean plugin_init(const char *enable, const char *disable)
+static void external_plugin_init(char **cli_disabled, char **cli_enabled)
 {
-	GSList *list;
 	GDir *dir;
 	const char *file;
-	char **cli_disabled, **cli_enabled;
-	unsigned int i;
-
-	/* Make a call to BtIO API so its symbols got resolved before the
-	 * plugins are loaded. */
-	bt_io_error_quark();
-
-	if (enable)
-		cli_enabled = g_strsplit_set(enable, ", ", -1);
-	else
-		cli_enabled = NULL;
-
-	if (disable)
-		cli_disabled = g_strsplit_set(disable, ", ", -1);
-	else
-		cli_disabled = NULL;
-
-	DBG("Loading builtin plugins");
-
-	for (i = 0; __bluetooth_builtin[i]; i++) {
-		if (!enable_plugin(__bluetooth_builtin[i]->name, cli_enabled,
-								cli_disabled))
-			continue;
 
-		add_plugin(NULL,  __bluetooth_builtin[i]);
-	}
+	info("Using external plugins is not officially supported.\n");
+	info("Consider upstreaming your plugins into the BlueZ project.");
 
 	if (strlen(PLUGINDIR) == 0)
-		goto start;
+		return;
 
 	DBG("Loading plugins %s", PLUGINDIR);
 
 	dir = g_dir_open(PLUGINDIR, 0, NULL);
 	if (!dir)
-		goto start;
+		return;
 
 	while ((file = g_dir_read_name(dir)) != NULL) {
 		const struct bluetooth_plugin_desc *desc;
@@ -174,13 +166,45 @@ gboolean plugin_init(const char *enable, const char *disable)
 			continue;
 		}
 
-		if (add_plugin(handle, desc) == FALSE)
+		if (add_external_plugin(handle, desc) == FALSE)
 			dlclose(handle);
 	}
 
 	g_dir_close(dir);
+}
+
+#include "src/builtin.h"
+
+void plugin_init(const char *enable, const char *disable)
+{
+	GSList *list;
+	char **cli_disabled = NULL;
+	char **cli_enabled = NULL;
+	unsigned int i;
+
+	/* Make a call to BtIO API so its symbols got resolved before the
+	 * plugins are loaded. */
+	bt_io_error_quark();
+
+	if (enable)
+		cli_enabled = g_strsplit_set(enable, ", ", -1);
+
+	if (disable)
+		cli_disabled = g_strsplit_set(disable, ", ", -1);
+
+	DBG("Loading builtin plugins");
+
+	for (i = 0; __bluetooth_builtin[i]; i++) {
+		if (!enable_plugin(__bluetooth_builtin[i]->name, cli_enabled,
+								cli_disabled))
+			continue;
+
+		add_plugin(__bluetooth_builtin[i]);
+	}
+
+	if IS_ENABLED(EXTERNAL_PLUGINS)
+		external_plugin_init(cli_enabled, cli_disabled);
 
-start:
 	for (list = plugins; list; list = list->next) {
 		struct bluetooth_plugin *plugin = list->data;
 		int err;
@@ -201,8 +225,6 @@ start:
 
 	g_strfreev(cli_enabled);
 	g_strfreev(cli_disabled);
-
-	return TRUE;
 }
 
 void plugin_cleanup(void)
diff --git a/src/plugin.h b/src/plugin.h
index 8d0903f2d..b484ed378 100644
--- a/src/plugin.h
+++ b/src/plugin.h
@@ -28,6 +28,7 @@ struct bluetooth_plugin_desc {
 			#name, version, priority, init, exit \
 		};
 #else
+#if EXTERNAL_PLUGINS
 #define BLUETOOTH_PLUGIN_DEFINE(name, version, priority, init, exit) \
 		extern struct btd_debug_desc __start___debug[] \
 				__attribute__ ((weak, visibility("hidden"))); \
@@ -40,4 +41,7 @@ struct bluetooth_plugin_desc {
 			#name, version, priority, init, exit, \
 			__start___debug, __stop___debug \
 		};
+#else
+#error "Requested non built-in plugin, while external plugins is disabled"
+#endif
 #endif

-- 
2.43.0

[PATCH BlueZ v4 6/8] bluetoothd: don't export internal API

[Emil Velikov via B4 Relay]

From: Emil Velikov <emil.velikov@collabora.com>

... when building without external plugins.
---
 Makefile.am | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Makefile.am b/Makefile.am
index 2d5650ced..2b1b9acdf 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -289,7 +289,6 @@ pkglibexec_PROGRAMS += src/bluetoothd
 
 src_bluetoothd_SOURCES = $(builtin_sources) \
 			$(attrib_sources) $(btio_sources) \
-			src/bluetooth.ver \
 			src/main.c src/log.h src/log.c \
 			src/backtrace.h src/backtrace.c \
 			src/rfkill.c src/btd.h src/sdpd.h \
@@ -321,8 +320,12 @@ src_bluetoothd_LDADD = lib/libbluetooth-internal.la \
 			src/libshared-glib.la \
 			$(BACKTRACE_LIBS) $(GLIB_LIBS) $(DBUS_LIBS) -ldl -lrt \
 			$(builtin_ldadd)
+
+if EXTERNAL_PLUGINS
+src_bluetoothd_SOURCES += src/bluetooth.ver
 src_bluetoothd_LDFLAGS = $(AM_LDFLAGS) -Wl,--export-dynamic \
 				-Wl,--version-script=$(srcdir)/src/bluetooth.ver
+endif
 
 src_bluetoothd_CPPFLAGS = $(AM_CPPFLAGS) -DBLUETOOTH_PLUGIN_BUILTIN \
 					-DPLUGINDIR=\""$(build_plugindir)"\" \

-- 
2.43.0

[PATCH BlueZ v4 7/8] bluetoothd: change plugin loading alike obexd

[Emil Velikov via B4 Relay]

From: Emil Velikov <emil.velikov@collabora.com>

Currently, we print "Loading foobar" for every plugin, before we try the
respective init() callback. Instead we handle the latter in a bunch, at
the end of the process.

Do the init() call early, print "Loaded" once it's actually successful
and drop the no-longer "active" tracking.
---
 src/plugin.c | 53 +++++++++++++++++++++++++++++------------------------
 1 file changed, 29 insertions(+), 24 deletions(-)

diff --git a/src/plugin.c b/src/plugin.c
index b6a84299a..e6d05be4c 100644
--- a/src/plugin.c
+++ b/src/plugin.c
@@ -32,7 +32,6 @@ static GSList *plugins = NULL;
 
 struct bluetooth_plugin {
 	void *handle;
-	gboolean active;
 	const struct bluetooth_plugin_desc *desc;
 };
 
@@ -44,6 +43,22 @@ static int compare_priority(gconstpointer a, gconstpointer b)
 	return plugin2->desc->priority - plugin1->desc->priority;
 }
 
+static int init_plugin(const struct bluetooth_plugin_desc *desc)
+{
+	int err;
+
+	err = desc->init();
+	if (err < 0) {
+		if (err == -ENOSYS || err == -ENOTSUP)
+			warn("System does not support %s plugin",
+						desc->name);
+		else
+			error("Failed to init %s plugin",
+						desc->name);
+	}
+	return err;
+}
+
 static gboolean add_external_plugin(void *handle,
 				const struct bluetooth_plugin_desc *desc)
 {
@@ -57,19 +72,22 @@ static gboolean add_external_plugin(void *handle,
 		return FALSE;
 	}
 
-	DBG("Loading %s plugin", desc->name);
-
 	plugin = g_try_new0(struct bluetooth_plugin, 1);
 	if (plugin == NULL)
 		return FALSE;
 
 	plugin->handle = handle;
-	plugin->active = FALSE;
 	plugin->desc = desc;
 
+	if (init_plugin(desc) < 0) {
+		g_free(plugin);
+		return FALSE;
+	}
+
 	__btd_enable_debug(desc->debug_start, desc->debug_stop);
 
 	plugins = g_slist_insert_sorted(plugins, plugin, compare_priority);
+	DBG("Plugin %s loaded", desc->name);
 
 	return TRUE;
 }
@@ -86,7 +104,13 @@ static void add_plugin(const struct bluetooth_plugin_desc *desc)
 
 	plugin->desc = desc;
 
+	if (init_plugin(desc) < 0) {
+		g_free(plugin);
+		return;
+	}
+
 	plugins = g_slist_insert_sorted(plugins, plugin, compare_priority);
+	DBG("Plugin %s loaded", desc->name);
 }
 
 static gboolean enable_plugin(const char *name, char **cli_enable,
@@ -177,7 +201,6 @@ static void external_plugin_init(char **cli_disabled, char **cli_enabled)
 
 void plugin_init(const char *enable, const char *disable)
 {
-	GSList *list;
 	char **cli_disabled = NULL;
 	char **cli_enabled = NULL;
 	unsigned int i;
@@ -205,24 +228,6 @@ void plugin_init(const char *enable, const char *disable)
 	if IS_ENABLED(EXTERNAL_PLUGINS)
 		external_plugin_init(cli_enabled, cli_disabled);
 
-	for (list = plugins; list; list = list->next) {
-		struct bluetooth_plugin *plugin = list->data;
-		int err;
-
-		err = plugin->desc->init();
-		if (err < 0) {
-			if (err == -ENOSYS || err == -ENOTSUP)
-				warn("System does not support %s plugin",
-							plugin->desc->name);
-			else
-				error("Failed to init %s plugin",
-							plugin->desc->name);
-			continue;
-		}
-
-		plugin->active = TRUE;
-	}
-
 	g_strfreev(cli_enabled);
 	g_strfreev(cli_disabled);
 }
@@ -236,7 +241,7 @@ void plugin_cleanup(void)
 	for (list = plugins; list; list = list->next) {
 		struct bluetooth_plugin *plugin = list->data;
 
-		if (plugin->active == TRUE && plugin->desc->exit)
+		if (plugin->desc->exit)
 			plugin->desc->exit();
 
 		if (plugin->handle != NULL)

-- 
2.43.0

[PATCH BlueZ v4 8/8] android: export only (android) entrypoint from the modules

[Emil Velikov via B4 Relay]

From: Emil Velikov <emil.velikov@collabora.com>

The android specific modules, have a designated HMI entrypoint. Hide
everything else with -fvisibility=hidden.
---
 android/Makefile.am     | 3 +++
 android/hal-audio.c     | 1 +
 android/hal-bluetooth.c | 1 +
 android/hal-sco.c       | 1 +
 4 files changed, 6 insertions(+)

diff --git a/android/Makefile.am b/android/Makefile.am
index 309910147..e3756e89c 100644
--- a/android/Makefile.am
+++ b/android/Makefile.am
@@ -96,6 +96,7 @@ android_bluetooth_default_la_SOURCES = android/hal.h android/hal-bluetooth.c \
 					android/hal-log.h \
 					android/hal-ipc.h android/hal-ipc.c \
 					android/hal-utils.h android/hal-utils.c
+android_bluetooth_default_la_CFLAGS = $(AM_CFLAGS) -fvisibility=hidden
 android_bluetooth_default_la_CPPFLAGS = $(AM_CPPFLAGS) -I$(srcdir)/android
 android_bluetooth_default_la_LDFLAGS = $(AM_LDFLAGS) -module -avoid-version \
 					-no-undefined
@@ -195,6 +196,7 @@ android_audio_a2dp_default_la_SOURCES = android/audio-msg.h \
 					android/hardware/audio_effect.h \
 					android/hardware/hardware.h \
 					android/system/audio.h
+android_audio_a2dp_default_la_CFLAGS = $(AM_CFLAGS) -fvisibility=hidden
 android_audio_a2dp_default_la_CPPFLAGS = $(AM_CPPFLAGS) -I$(srcdir)/android \
 					$(SBC_CFLAGS)
 android_audio_a2dp_default_la_LIBADD = $(SBC_LIBS) -lrt
@@ -212,6 +214,7 @@ android_audio_sco_default_la_SOURCES = android/hal-log.h \
 					android/audio_utils/resampler.c \
 					android/audio_utils/resampler.h \
 					android/system/audio.h
+android_audio_sco_default_la_CFLAGS = $(AM_CFLAGS) -fvisibility=hidden
 android_audio_sco_default_la_CPPFLAGS = $(AM_CPPFLAGS) -I$(srcdir)/android
 android_audio_sco_default_la_LIBADD = $(SPEEXDSP_LIBS) -lrt
 android_audio_sco_default_la_LDFLAGS = $(AM_LDFLAGS) -module -avoid-version \
diff --git a/android/hal-audio.c b/android/hal-audio.c
index d37d6098c..f3d9b40a6 100644
--- a/android/hal-audio.c
+++ b/android/hal-audio.c
@@ -1618,6 +1618,7 @@ static struct hw_module_methods_t hal_module_methods = {
 	.open = audio_open,
 };
 
+__attribute__ ((visibility("default")))
 struct audio_module HAL_MODULE_INFO_SYM = {
 	.common = {
 		.tag = HARDWARE_MODULE_TAG,
diff --git a/android/hal-bluetooth.c b/android/hal-bluetooth.c
index d4442e620..7d1e5ac63 100644
--- a/android/hal-bluetooth.c
+++ b/android/hal-bluetooth.c
@@ -1117,6 +1117,7 @@ static struct hw_module_methods_t bluetooth_module_methods = {
 	.open = open_bluetooth,
 };
 
+__attribute__ ((visibility("default")))
 struct hw_module_t HAL_MODULE_INFO_SYM = {
 	.tag = HARDWARE_MODULE_TAG,
 	.version_major = 1,
diff --git a/android/hal-sco.c b/android/hal-sco.c
index d7c08a68b..3d66ad357 100644
--- a/android/hal-sco.c
+++ b/android/hal-sco.c
@@ -1507,6 +1507,7 @@ static struct hw_module_methods_t hal_module_methods = {
 	.open = sco_open,
 };
 
+__attribute__ ((visibility("default")))
 struct audio_module HAL_MODULE_INFO_SYM = {
 	.common = {
 		.tag = HARDWARE_MODULE_TAG,

-- 
2.43.0

Re: [PATCH BlueZ v4 7/8] bluetoothd: change plugin loading alike obexd

[Paul Menzel]

Dear Emil,


Thank you for your patches.

Am 29.01.24 um 15:44 schrieb Emil Velikov via B4 Relay:
> From: Emil Velikov <emil.velikov@collabora.com>
> 
> Currently, we print "Loading foobar" for every plugin, before we try the
> respective init() callback. Instead we handle the latter in a bunch, at
> the end of the process.

Excuse my ignorance, but would you be so kind to state the problem. It’s 
causing confusion to have `Loading foobar`, in case it fails? It 
clutters the output or uses unnecessory resources?

> Do the init() call early, print "Loaded" once it's actually successful
> and drop the no-longer "active" tracking.

It would help me, if you pasted the logs without and with your patch.


Kind regards,

Paul


> ---
>   src/plugin.c | 53 +++++++++++++++++++++++++++++------------------------
>   1 file changed, 29 insertions(+), 24 deletions(-)
> 
> diff --git a/src/plugin.c b/src/plugin.c
> index b6a84299a..e6d05be4c 100644
> --- a/src/plugin.c
> +++ b/src/plugin.c
> @@ -32,7 +32,6 @@ static GSList *plugins = NULL;
>   
>   struct bluetooth_plugin {
>   	void *handle;
> -	gboolean active;
>   	const struct bluetooth_plugin_desc *desc;
>   };
>   
> @@ -44,6 +43,22 @@ static int compare_priority(gconstpointer a, gconstpointer b)
>   	return plugin2->desc->priority - plugin1->desc->priority;
>   }
>   
> +static int init_plugin(const struct bluetooth_plugin_desc *desc)
> +{
> +	int err;
> +
> +	err = desc->init();
> +	if (err < 0) {
> +		if (err == -ENOSYS || err == -ENOTSUP)
> +			warn("System does not support %s plugin",
> +						desc->name);
> +		else
> +			error("Failed to init %s plugin",
> +						desc->name);
> +	}
> +	return err;
> +}
> +
>   static gboolean add_external_plugin(void *handle,
>   				const struct bluetooth_plugin_desc *desc)
>   {
> @@ -57,19 +72,22 @@ static gboolean add_external_plugin(void *handle,
>   		return FALSE;
>   	}
>   
> -	DBG("Loading %s plugin", desc->name);
> -
>   	plugin = g_try_new0(struct bluetooth_plugin, 1);
>   	if (plugin == NULL)
>   		return FALSE;
>   
>   	plugin->handle = handle;
> -	plugin->active = FALSE;
>   	plugin->desc = desc;
>   
> +	if (init_plugin(desc) < 0) {
> +		g_free(plugin);
> +		return FALSE;
> +	}
> +
>   	__btd_enable_debug(desc->debug_start, desc->debug_stop);
>   
>   	plugins = g_slist_insert_sorted(plugins, plugin, compare_priority);
> +	DBG("Plugin %s loaded", desc->name);
>   
>   	return TRUE;
>   }
> @@ -86,7 +104,13 @@ static void add_plugin(const struct bluetooth_plugin_desc *desc)
>   
>   	plugin->desc = desc;
>   
> +	if (init_plugin(desc) < 0) {
> +		g_free(plugin);
> +		return;
> +	}
> +
>   	plugins = g_slist_insert_sorted(plugins, plugin, compare_priority);
> +	DBG("Plugin %s loaded", desc->name);
>   }
>   
>   static gboolean enable_plugin(const char *name, char **cli_enable,
> @@ -177,7 +201,6 @@ static void external_plugin_init(char **cli_disabled, char **cli_enabled)
>   
>   void plugin_init(const char *enable, const char *disable)
>   {
> -	GSList *list;
>   	char **cli_disabled = NULL;
>   	char **cli_enabled = NULL;
>   	unsigned int i;
> @@ -205,24 +228,6 @@ void plugin_init(const char *enable, const char *disable)
>   	if IS_ENABLED(EXTERNAL_PLUGINS)
>   		external_plugin_init(cli_enabled, cli_disabled);
>   
> -	for (list = plugins; list; list = list->next) {
> -		struct bluetooth_plugin *plugin = list->data;
> -		int err;
> -
> -		err = plugin->desc->init();
> -		if (err < 0) {
> -			if (err == -ENOSYS || err == -ENOTSUP)
> -				warn("System does not support %s plugin",
> -							plugin->desc->name);
> -			else
> -				error("Failed to init %s plugin",
> -							plugin->desc->name);
> -			continue;
> -		}
> -
> -		plugin->active = TRUE;
> -	}
> -
>   	g_strfreev(cli_enabled);
>   	g_strfreev(cli_disabled);
>   }
> @@ -236,7 +241,7 @@ void plugin_cleanup(void)
>   	for (list = plugins; list; list = list->next) {
>   		struct bluetooth_plugin *plugin = list->data;
>   
> -		if (plugin->active == TRUE && plugin->desc->exit)
> +		if (plugin->desc->exit)
>   			plugin->desc->exit();
>   
>   		if (plugin->handle != NULL)
> 

Re: [PATCH BlueZ v4 8/8] android: export only (android) entrypoint from the modules

[Paul Menzel]

Dear Emil,


Thank you for your patches. One small nit.


Am 29.01.24 um 15:44 schrieb Emil Velikov via B4 Relay:
> From: Emil Velikov <emil.velikov@collabora.com>
> 
> The android specific modules, have a designated HMI entrypoint. Hide

The comma seems superfluous.

> everything else with -fvisibility=hidden.
> ---
>   android/Makefile.am     | 3 +++
>   android/hal-audio.c     | 1 +
>   android/hal-bluetooth.c | 1 +
>   android/hal-sco.c       | 1 +
>   4 files changed, 6 insertions(+)

[…]


Kind regards,

Paul

Re: [PATCH BlueZ v4 7/8] bluetoothd: change plugin loading alike obexd

[Luiz Augusto von Dentz]

Hi Paul,

On Mon, Jan 29, 2024 at 10:37 AM Paul Menzel <pmenzel@molgen.mpg.de> wrote:
>
> Dear Emil,
>
>
> Thank you for your patches.
>
> Am 29.01.24 um 15:44 schrieb Emil Velikov via B4 Relay:
> > From: Emil Velikov <emil.velikov@collabora.com>
> >
> > Currently, we print "Loading foobar" for every plugin, before we try the
> > respective init() callback. Instead we handle the latter in a bunch, at
> > the end of the process.
>
> Excuse my ignorance, but would you be so kind to state the problem. It’s
> causing confusion to have `Loading foobar`, in case it fails? It
> clutters the output or uses unnecessory resources?

To me it sounds quite clear that he is refering to the fact that obexd
prints it a little differently so he is just trying to align the
behavior of the daemons.

> > Do the init() call early, print "Loaded" once it's actually successful
> > and drop the no-longer "active" tracking.
>
> It would help me, if you pasted the logs without and with your patch.
>
>
> Kind regards,
>
> Paul
>
>
> > ---
> >   src/plugin.c | 53 +++++++++++++++++++++++++++++------------------------
> >   1 file changed, 29 insertions(+), 24 deletions(-)
> >
> > diff --git a/src/plugin.c b/src/plugin.c
> > index b6a84299a..e6d05be4c 100644
> > --- a/src/plugin.c
> > +++ b/src/plugin.c
> > @@ -32,7 +32,6 @@ static GSList *plugins = NULL;
> >
> >   struct bluetooth_plugin {
> >       void *handle;
> > -     gboolean active;
> >       const struct bluetooth_plugin_desc *desc;
> >   };
> >
> > @@ -44,6 +43,22 @@ static int compare_priority(gconstpointer a, gconstpointer b)
> >       return plugin2->desc->priority - plugin1->desc->priority;
> >   }
> >
> > +static int init_plugin(const struct bluetooth_plugin_desc *desc)
> > +{
> > +     int err;
> > +
> > +     err = desc->init();
> > +     if (err < 0) {
> > +             if (err == -ENOSYS || err == -ENOTSUP)
> > +                     warn("System does not support %s plugin",
> > +                                             desc->name);
> > +             else
> > +                     error("Failed to init %s plugin",
> > +                                             desc->name);
> > +     }
> > +     return err;
> > +}
> > +
> >   static gboolean add_external_plugin(void *handle,
> >                               const struct bluetooth_plugin_desc *desc)
> >   {
> > @@ -57,19 +72,22 @@ static gboolean add_external_plugin(void *handle,
> >               return FALSE;
> >       }
> >
> > -     DBG("Loading %s plugin", desc->name);
> > -
> >       plugin = g_try_new0(struct bluetooth_plugin, 1);
> >       if (plugin == NULL)
> >               return FALSE;
> >
> >       plugin->handle = handle;
> > -     plugin->active = FALSE;
> >       plugin->desc = desc;
> >
> > +     if (init_plugin(desc) < 0) {
> > +             g_free(plugin);
> > +             return FALSE;
> > +     }
> > +
> >       __btd_enable_debug(desc->debug_start, desc->debug_stop);
> >
> >       plugins = g_slist_insert_sorted(plugins, plugin, compare_priority);
> > +     DBG("Plugin %s loaded", desc->name);
> >
> >       return TRUE;
> >   }
> > @@ -86,7 +104,13 @@ static void add_plugin(const struct bluetooth_plugin_desc *desc)
> >
> >       plugin->desc = desc;
> >
> > +     if (init_plugin(desc) < 0) {
> > +             g_free(plugin);
> > +             return;
> > +     }
> > +
> >       plugins = g_slist_insert_sorted(plugins, plugin, compare_priority);
> > +     DBG("Plugin %s loaded", desc->name);
> >   }
> >
> >   static gboolean enable_plugin(const char *name, char **cli_enable,
> > @@ -177,7 +201,6 @@ static void external_plugin_init(char **cli_disabled, char **cli_enabled)
> >
> >   void plugin_init(const char *enable, const char *disable)
> >   {
> > -     GSList *list;
> >       char **cli_disabled = NULL;
> >       char **cli_enabled = NULL;
> >       unsigned int i;
> > @@ -205,24 +228,6 @@ void plugin_init(const char *enable, const char *disable)
> >       if IS_ENABLED(EXTERNAL_PLUGINS)
> >               external_plugin_init(cli_enabled, cli_disabled);
> >
> > -     for (list = plugins; list; list = list->next) {
> > -             struct bluetooth_plugin *plugin = list->data;
> > -             int err;
> > -
> > -             err = plugin->desc->init();
> > -             if (err < 0) {
> > -                     if (err == -ENOSYS || err == -ENOTSUP)
> > -                             warn("System does not support %s plugin",
> > -                                                     plugin->desc->name);
> > -                     else
> > -                             error("Failed to init %s plugin",
> > -                                                     plugin->desc->name);
> > -                     continue;
> > -             }
> > -
> > -             plugin->active = TRUE;
> > -     }
> > -
> >       g_strfreev(cli_enabled);
> >       g_strfreev(cli_disabled);
> >   }
> > @@ -236,7 +241,7 @@ void plugin_cleanup(void)
> >       for (list = plugins; list; list = list->next) {
> >               struct bluetooth_plugin *plugin = list->data;
> >
> > -             if (plugin->active == TRUE && plugin->desc->exit)
> > +             if (plugin->desc->exit)
> >                       plugin->desc->exit();
> >
> >               if (plugin->handle != NULL)
> >
>


-- 
Luiz Augusto von Dentz

RE: Remove support for external plugins

[bluez.test.bot]

[-- Attachment #1: Type: text/plain, Size: 3964 bytes --]

This is automated email and please do not reply to this email!

Dear submitter,

Thank you for submitting the patches to the linux bluetooth mailing list.
This is a CI test results with your patch series:
PW Link:https://patchwork.kernel.org/project/bluetooth/list/?series=820935

---Test result---

Test Summary:
CheckPatch                    FAIL      3.64 seconds
GitLint                       PASS      2.33 seconds
BuildEll                      PASS      24.08 seconds
BluezMake                     PASS      732.29 seconds
MakeCheck                     PASS      13.76 seconds
MakeDistcheck                 PASS      164.26 seconds
CheckValgrind                 PASS      226.32 seconds
CheckSmatch                   PASS      329.54 seconds
bluezmakeextell               PASS      107.29 seconds
IncrementalBuild              PASS      5502.72 seconds
ScanBuild                     PASS      928.77 seconds

Details
##############################
Test: CheckPatch - FAIL
Desc: Run checkpatch.pl script
Output:
[BlueZ,v4,2/8] obexd: factor out external plugin support
WARNING:IS_ENABLED_CONFIG: IS_ENABLED(x) is normally used as IS_ENABLED(CONFIG_x)
#127: FILE: obexd/src/plugin.c:37:
+#define IS_ENABLED(x) (x)

WARNING:IS_ENABLED_CONFIG: IS_ENABLED(EXTERNAL_PLUGINS) is normally used as IS_ENABLED(CONFIG_EXTERNAL_PLUGINS)
#253: FILE: obexd/src/plugin.c:200:
+	if IS_ENABLED(EXTERNAL_PLUGINS)

/github/workspace/src/src/13535810.patch total: 0 errors, 2 warnings, 166 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

/github/workspace/src/src/13535810.patch has style problems, please review.

NOTE: Ignored message types: COMMIT_MESSAGE COMPLEX_MACRO CONST_STRUCT FILE_PATH_CHANGES MISSING_SIGN_OFF PREFER_PACKED SPDX_LICENSE_TAG SPLIT_STRING SSCANF_TO_KSTRTO

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.


[BlueZ,v4,5/8] bluetoothd: factor out external plugin support
WARNING:IS_ENABLED_CONFIG: IS_ENABLED(x) is normally used as IS_ENABLED(CONFIG_x)
#127: FILE: src/plugin.c:29:
+#define IS_ENABLED(x) (x)

WARNING:BLOCK_COMMENT_STYLE: Block comments use a trailing */ on a separate line
#239: FILE: src/plugin.c:186:
+	 * plugins are loaded. */

WARNING:IS_ENABLED_CONFIG: IS_ENABLED(EXTERNAL_PLUGINS) is normally used as IS_ENABLED(CONFIG_EXTERNAL_PLUGINS)
#258: FILE: src/plugin.c:205:
+	if IS_ENABLED(EXTERNAL_PLUGINS)

/github/workspace/src/src/13535813.patch total: 0 errors, 3 warnings, 178 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

/github/workspace/src/src/13535813.patch has style problems, please review.

NOTE: Ignored message types: COMMIT_MESSAGE COMPLEX_MACRO CONST_STRUCT FILE_PATH_CHANGES MISSING_SIGN_OFF PREFER_PACKED SPDX_LICENSE_TAG SPLIT_STRING SSCANF_TO_KSTRTO

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.


[BlueZ,v4,7/8] bluetoothd: change plugin loading alike obexd
WARNING:ENOSYS: ENOSYS means 'invalid syscall nr' and nothing else
#108: FILE: src/plugin.c:52:
+		if (err == -ENOSYS || err == -ENOTSUP)

/github/workspace/src/src/13535815.patch total: 0 errors, 1 warnings, 106 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

/github/workspace/src/src/13535815.patch has style problems, please review.

NOTE: Ignored message types: COMMIT_MESSAGE COMPLEX_MACRO CONST_STRUCT FILE_PATH_CHANGES MISSING_SIGN_OFF PREFER_PACKED SPDX_LICENSE_TAG SPLIT_STRING SSCANF_TO_KSTRTO

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.




---
Regards,
Linux Bluetooth

Re: [PATCH BlueZ v4 7/8] bluetoothd: change plugin loading alike obexd

[Emil Velikov]

Hello team,

On Mon, 29 Jan 2024 at 16:22, Luiz Augusto von Dentz
<luiz.dentz@gmail.com> wrote:

>
> To me it sounds quite clear that he is refering to the fact that obexd
> prints it a little differently so he is just trying to align the
> behavior of the daemons.
>

Precisely - we do basic alignment across the two daemons. Both in
terms of code as well as logging pattern.
Although if that's not wanted, please drop this patch. There's a
reason why I kept it near the end of the series ;-)

Re-sending the series for the comma in 8/8 seems excessive IMHO. If
there are other concerns, I'd be happy to respin the lot.
Otherwise I think it's simpler if Luiz fixes it on applying.

Thanks
Emil

Re: [PATCH BlueZ v4 0/8] Remove support for external plugins

[patchwork-bot+bluetooth]

Hello:

This series was applied to bluetooth/bluez.git (master)
by Luiz Augusto von Dentz <luiz.von.dentz@intel.com>:

On Mon, 29 Jan 2024 14:44:14 +0000 you wrote:
> Hello everyone,
> 
> With v4 we have moved from pre-processor to compilation checking for the
> external plugins support.
> 
> Namely, as we build without one the dead-code elimination will discard
> all the relevant code. Ultimately this means we compile check both paths
> in order to catch mistakes. Thanks to Luiz for the suggestion.
> 
> [...]

Here is the summary with links:
  - [BlueZ,v4,1/8] configure, README: introduce --enable-external-plugins
    https://git.kernel.org/pub/scm/bluetooth/bluez.git/?id=2a5c9cf632e6
  - [BlueZ,v4,2/8] obexd: factor out external plugin support
    https://git.kernel.org/pub/scm/bluetooth/bluez.git/?id=004b5b28a04c
  - [BlueZ,v4,3/8] bluetoothd: remove external-dummy plugin
    https://git.kernel.org/pub/scm/bluetooth/bluez.git/?id=1db7a00e35c4
  - [BlueZ,v4,4/8] bluetoothd: convert external sixaxis plugin to builtin
    https://git.kernel.org/pub/scm/bluetooth/bluez.git/?id=9f71892b63f6
  - [BlueZ,v4,5/8] bluetoothd: factor out external plugin support
    https://git.kernel.org/pub/scm/bluetooth/bluez.git/?id=109cc8a0f6aa
  - [BlueZ,v4,6/8] bluetoothd: don't export internal API
    https://git.kernel.org/pub/scm/bluetooth/bluez.git/?id=7a1d3c7c4bc7
  - [BlueZ,v4,7/8] bluetoothd: change plugin loading alike obexd
    https://git.kernel.org/pub/scm/bluetooth/bluez.git/?id=f174724c76c6
  - [BlueZ,v4,8/8] android: export only (android) entrypoint from the modules
    https://git.kernel.org/pub/scm/bluetooth/bluez.git/?id=f59f4902bc4e

You are awesome, thank you!
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