* [PATCH BlueZ 1/1 v3] shared/mainloop: Add ell-based mainloop implementation
2019-08-11 7:00 [PATCH BlueZ 0/1 v3] ELL based mainloop Inga Stotland
@ 2019-08-11 7:00 ` Inga Stotland
2019-09-25 18:19 ` [PATCH BlueZ 0/1 v3] ELL based mainloop Stotland, Inga
1 sibling, 0 replies; 4+ messages in thread
From: Inga Stotland @ 2019-08-11 7:00 UTC (permalink / raw)
To: linux-bluetooth; +Cc: luiz.dentz, Inga Stotland
This adds implementation of wrapper mainloop functions to interact with
ell main APIs, enabling support for the applications that link with ell
library and use mainloop functionality.
---
Makefile.am | 11 +++-
src/shared/mainloop-ell.c | 126 ++++++++++++++++++++++++++++++++++++++
src/shared/timeout-ell.c | 72 ++++++++++++++++++++++
3 files changed, 206 insertions(+), 3 deletions(-)
create mode 100644 src/shared/mainloop-ell.c
create mode 100644 src/shared/timeout-ell.c
diff --git a/Makefile.am b/Makefile.am
index 9d25a815b..e3986a718 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -162,6 +162,10 @@ CLEANFILES += $(ell_built_sources)
noinst_LTLIBRARIES += src/libshared-glib.la src/libshared-mainloop.la
+if LIBSHARED_ELL
+noinst_LTLIBRARIES += src/libshared-ell.la
+endif
+
shared_sources = src/shared/io.h src/shared/timeout.h \
src/shared/queue.h src/shared/queue.c \
src/shared/util.h src/shared/util.c \
@@ -206,10 +210,11 @@ src_libshared_mainloop_la_SOURCES = $(shared_sources) \
src/shared/mainloop-notify.c
if LIBSHARED_ELL
-noinst_LTLIBRARIES += src/libshared-ell.la
-
src_libshared_ell_la_SOURCES = $(shared_sources) \
- src/shared/io-ell.c
+ src/shared/io-ell.c \
+ src/shared/timeout-ell.c \
+ src/shared/mainloop.h \
+ src/shared/mainloop-ell.c
endif
attrib_sources = attrib/att.h attrib/att-database.h attrib/att.c \
diff --git a/src/shared/mainloop-ell.c b/src/shared/mainloop-ell.c
new file mode 100644
index 000000000..63e254ac6
--- /dev/null
+++ b/src/shared/mainloop-ell.c
@@ -0,0 +1,126 @@
+/*
+ *
+ * BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2019 Intel Corporation
+ *
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#define _GNU_SOURCE
+#include <errno.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+#include <ell/ell.h>
+
+#include "mainloop.h"
+
+static bool is_initialized;
+static int exit_status;
+static mainloop_signal_func sig_func;
+
+static void l_sig_func(uint32_t signo, void *user_data)
+{
+ if (sig_func)
+ sig_func(signo, user_data);
+}
+
+void mainloop_init(void)
+{
+ is_initialized = l_main_init();
+}
+
+void mainloop_quit(void)
+{
+ l_main_quit();
+}
+
+void mainloop_exit_success(void)
+{
+ exit_status = EXIT_SUCCESS;
+ l_main_quit();
+}
+
+void mainloop_exit_failure(void)
+{
+ exit_status = EXIT_FAILURE;
+ l_main_quit();
+}
+
+int mainloop_run(void)
+{
+ if (!is_initialized)
+ return -EINVAL;
+
+ l_main_run();
+
+ is_initialized = false;
+ sig_func = NULL;
+
+ return exit_status;
+}
+
+int mainloop_run_with_signal(mainloop_signal_func func, void *user_data)
+{
+ if (!is_initialized || !func)
+ return -EINVAL;
+
+ /* Workaround for sign discrepancy in ell and bluez */
+ sig_func = func;
+
+ return l_main_run_with_signal(l_sig_func, user_data);
+}
+
+int mainloop_add_fd(int fd, uint32_t events, mainloop_event_func callback,
+ void *user_data, mainloop_destroy_func destroy)
+{
+ return -ENOSYS;
+}
+
+int mainloop_modify_fd(int fd, uint32_t events)
+{
+ return -ENOSYS;
+}
+
+int mainloop_remove_fd(int fd)
+{
+ return -ENOSYS;
+}
+
+int mainloop_add_timeout(unsigned int msec, mainloop_timeout_func callback,
+ void *user_data, mainloop_destroy_func destroy)
+{
+ return -ENOSYS;
+}
+
+int mainloop_modify_timeout(int fd, unsigned int msec)
+{
+ return -ENOSYS;
+}
+
+int mainloop_remove_timeout(int id)
+{
+ return -ENOSYS;
+}
+
+int mainloop_set_signal(sigset_t *mask, mainloop_signal_func callback,
+ void *user_data, mainloop_destroy_func destroy)
+{
+ return -ENOSYS;
+}
diff --git a/src/shared/timeout-ell.c b/src/shared/timeout-ell.c
new file mode 100644
index 000000000..8419d4617
--- /dev/null
+++ b/src/shared/timeout-ell.c
@@ -0,0 +1,72 @@
+/*
+ *
+ * BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2019 Intel Corporation. All rights reserved.
+ *
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ */
+
+#include <ell/ell.h>
+
+#include "timeout.h"
+
+struct timeout_data {
+ timeout_func_t func;
+ timeout_destroy_func_t destroy;
+ unsigned int timeout;
+ void *user_data;
+};
+
+static void timeout_callback(struct l_timeout *timeout, void *user_data)
+{
+ struct timeout_data *data = user_data;
+
+ if (data->func)
+ data->func(data->user_data);
+
+ l_timeout_modify(timeout, data->timeout);
+}
+
+static void timeout_destroy(void *user_data)
+{
+ struct timeout_data *data = user_data;
+
+ if (data->destroy)
+ data->destroy(data->user_data);
+
+ l_free(data);
+}
+
+unsigned int timeout_add(unsigned int timeout, timeout_func_t func,
+ void *user_data, timeout_destroy_func_t destroy)
+{
+ struct timeout_data *data;
+ uint32_t id;
+
+ data = l_new(struct timeout_data, 1);
+
+ data->func = func;
+ data->destroy = destroy;
+ data->user_data = user_data;
+ data->timeout = timeout;
+
+ id = L_PTR_TO_UINT(l_timeout_create(timeout, timeout_callback,
+ user_data, timeout_destroy));
+ return id;
+}
+
+void timeout_remove(unsigned int id)
+{
+ l_timeout_remove(L_UINT_TO_PTR(id));
+}
--
2.21.0
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH BlueZ 0/1 v3] ELL based mainloop
2019-08-11 7:00 [PATCH BlueZ 0/1 v3] ELL based mainloop Inga Stotland
2019-08-11 7:00 ` [PATCH BlueZ 1/1 v3] shared/mainloop: Add ell-based mainloop implementation Inga Stotland
@ 2019-09-25 18:19 ` Stotland, Inga
2019-09-27 14:38 ` Luiz Augusto von Dentz
1 sibling, 1 reply; 4+ messages in thread
From: Stotland, Inga @ 2019-09-25 18:19 UTC (permalink / raw)
To: linux-bluetooth; +Cc: luiz.dentz, johan.hedberg
[-- Attachment #1: Type: text/plain, Size: 1233 bytes --]
Ping
On Sun, 2019-08-11 at 00:00 -0700, Inga Stotland wrote:
> + timeout-ell.c
>
> This patch addresses a need to enable using common mainloop for the
> ell-based apps that desire to use common bluetooth fuctionality
> (e.g., bt_shell).
>
> Note: A bit awkward callback handling there is due to the discrepancy
> in the arg type for signo (signal number).
>
> src/shared/mainloop.h:
> typedef void (*mainloop_signal_func) (int signum, void *user_data)
>
> and ell/main.h:
>
> typedef void (*l_main_signal_cb_t) (uint32_t signo, void *user_data)
>
> My guess is that ell derives the unsigned int type from
> <sys/signalfd.h>,
> where ssi_signo is defined as uint32_t. BlueZ is probably following
> the
> standard Linux signal handling, where signal is represented as an
> int.
>
> Inga Stotland (1):
> shared/mainloop: Add ell-based mainloop implementation
>
> Makefile.am | 11 +++-
> src/shared/mainloop-ell.c | 126
> ++++++++++++++++++++++++++++++++++++++
> src/shared/timeout-ell.c | 72 ++++++++++++++++++++++
> 3 files changed, 206 insertions(+), 3 deletions(-)
> create mode 100644 src/shared/mainloop-ell.c
> create mode 100644 src/shared/timeout-ell.c
>
[-- Attachment #2: smime.p7s --]
[-- Type: application/x-pkcs7-signature, Size: 3265 bytes --]
^ permalink raw reply [flat|nested] 4+ messages in thread