Hi,
On Wed, May 21, 2014 at 6:01 PM, Luiz Augusto von Dentz
<luiz.dentz@xxxxxxxxx> wrote:
> From: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>
>
> ---
> Makefile.am | 8 +++
> src/shared/uhid.c | 175 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
> src/shared/uhid.h | 43 ++++++++++++++
> unit/test-uhid.c | 37 ++++++++++++
> 4 files changed, 263 insertions(+)
> create mode 100644 src/shared/uhid.c
> create mode 100644 src/shared/uhid.h
> create mode 100644 unit/test-uhid.c
>
> diff --git a/Makefile.am b/Makefile.am
> index 3ca98d0..6b989b4 100644
> --- a/Makefile.am
> +++ b/Makefile.am
> @@ -263,6 +263,14 @@ unit_test_mgmt_SOURCES = unit/test-mgmt.c \
> src/shared/mgmt.h src/shared/mgmt.c
> unit_test_mgmt_LDADD = @GLIB_LIBS@
>
> +unit_tests += unit/test-uhid
> +
> +unit_test_uhid_SOURCES = unit/test-uhid.c \
> + src/shared/uhid.h src/shared/uhid.c \
> + src/shared/io.h src/shared/io-glib.c \
> + src/shared/util.h src/shared/util.c
> +unit_test_uhid_LDADD = @GLIB_LIBS@
> +
> unit_tests += unit/test-sdp
>
> unit_test_sdp_SOURCES = unit/test-sdp.c \
> diff --git a/src/shared/uhid.c b/src/shared/uhid.c
> new file mode 100644
> index 0000000..13d9b5e
> --- /dev/null
> +++ b/src/shared/uhid.c
> @@ -0,0 +1,175 @@
> +/*
> + *
> + * BlueZ - Bluetooth protocol stack for Linux
> + *
> + * Copyright (C) 2014 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.
> + *
> + * You should have received a copy of the GNU Lesser General Public
> + * License along with this library; if not, write to the Free Software
> + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
> + *
> + */
> +
> +#ifdef HAVE_CONFIG_H
> +#include <config.h>
> +#endif
> +
> +#include <stdio.h>
> +#include <unistd.h>
> +#include <string.h>
> +#include <errno.h>
> +#include <fcntl.h>
> +
> +#include "src/shared/io.h"
> +#include "src/shared/util.h"
> +#include "src/shared/uhid.h"
> +
> +#define UHID_DEVICE_FILE "/dev/uhid"
> +
> +struct bt_uhid {
> + int ref_count;
> + struct io *io;
> +};
> +
> +static void uhid_free(struct bt_uhid *uhid)
> +{
> + if (uhid->io)
> + io_destroy(uhid->io);
> +
> + free(uhid);
> +}
> +
> +static bool uhid_read_handler(struct io *io, void *user_data)
> +{
> + int fd;
> + ssize_t len;
> + struct uhid_event ev;
> +
> + fd = io_get_fd(io);
> + if (fd < 0)
> + return false;
> +
> + memset(&ev, 0, sizeof(ev));
> +
> + len = read(fd, &ev, sizeof(ev));
> + if (len < 0)
> + return false;
> +
> + if ((size_t) len < sizeof(ev.type))
> + return false;
> +
> + return true;
> +}
> +
> +struct bt_uhid *bt_uhid_new_default(void)
> +{
> + struct bt_uhid *uhid;
> + int fd;
> +
> + fd = open(UHID_DEVICE_FILE, O_RDWR | O_CLOEXEC);
> + if (fd < 0)
> + return NULL;
> +
> + uhid = bt_uhid_new(fd);
> + if (!uhid) {
> + close(fd);
> + return NULL;
> + }
> +
> + io_set_close_on_destroy(uhid->io, true);
> +
> + return uhid;
> +}
> +
> +struct bt_uhid *bt_uhid_new(int fd)
> +{
> + struct bt_uhid *uhid;
> +
> + uhid = new0(struct bt_uhid, 1);
> + if (!uhid)
> + return NULL;
> +
> + uhid->io = io_new(fd);
> + if (!uhid->io)
> + goto failed;
> +
> + if (!io_set_read_handler(uhid->io, uhid_read_handler, uhid, NULL))
> + goto failed;
> +
> + return bt_uhid_ref(uhid);
> +
> +failed:
> + uhid_free(uhid);
> + return NULL;
> +}
> +
> +struct bt_uhid *bt_uhid_ref(struct bt_uhid *uhid)
> +{
> + if (!uhid)
> + return NULL;
> +
> + __sync_fetch_and_add(&uhid->ref_count, 1);
> +
> + return uhid;
> +}
> +
> +void bt_uhid_unref(struct bt_uhid *uhid)
> +{
> + if (!uhid)
> + return;
> +
> + if (__sync_sub_and_fetch(&uhid->ref_count, 1))
> + return;
> +
> + uhid_free(uhid);
> +}
> +
> +bool bt_uhid_set_close_on_unref(struct bt_uhid *uhid, bool do_close)
> +{
> + if (!uhid || !uhid->io)
> + return false;
> +
> + io_set_close_on_destroy(uhid->io, do_close);
> +
> + return true;
> +}
> +
> +unsigned int bt_uhid_register(struct bt_uhid *uhid, uint32_t type,
> + bt_uhid_notify_func_t func, void *user_data)
> +{
> + return 0;
> +}
> +
> +bool bt_uhid_unregister(struct bt_uhid *uhid, unsigned int id)
> +{
> + return false;
> +}
> +
> +int bt_uhid_send(struct bt_uhid *uhid, const struct uhid_event *ev)
> +{
> + int fd;
> + ssize_t len;
> +
> + if (!uhid->io)
> + return -ENOTCONN;
> +
> + fd = io_get_fd(uhid->io);
> +
> + len = write(fd, ev, sizeof(*ev));
> + if (len < 0)
> + return -errno;
> +
> + /* uHID kernel driver does not handle partial writes */
> + return len != sizeof(*ev) ? -EIO : 0;
> +}
> diff --git a/src/shared/uhid.h b/src/shared/uhid.h
> new file mode 100644
> index 0000000..fcf5379
> --- /dev/null
> +++ b/src/shared/uhid.h
> @@ -0,0 +1,43 @@
> +/*
> + *
> + * BlueZ - Bluetooth protocol stack for Linux
> + *
> + * Copyright (C) 2014 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.
> + *
> + * You should have received a copy of the GNU Lesser General Public
> + * License along with this library; if not, write to the Free Software
> + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
> + *
> + */
> +
> +#include <stdbool.h>
> +#include <stdint.h>
> +#include <linux/uhid.h>
> +
> +struct bt_uhid;
> +
> +struct bt_uhid *bt_uhid_new_default(void);
> +struct bt_uhid *bt_uhid_new(int fd);
> +
> +struct bt_uhid *bt_uhid_ref(struct bt_uhid *uhid);
> +void bt_uhid_unref(struct bt_uhid *uhid);
> +
> +bool bt_uhid_set_close_on_unref(struct bt_uhid *uhid, bool do_close);
> +
> +typedef void (*bt_uhid_callback_t)(struct uhid_event *ev, void *user_data);
> +unsigned int bt_uhid_register(struct bt_uhid *uhid, uint32_t event,
> + bt_uhid_callback_t func, void *user_data);
> +bool bt_uhid_unregister(struct bt_uhid *uhid, unsigned int id);
> +
> +int bt_uhid_send(struct bt_uhid *uhid, const struct uhid_event *ev);
> diff --git a/unit/test-uhid.c b/unit/test-uhid.c
> new file mode 100644
> index 0000000..e0fb411
> --- /dev/null
> +++ b/unit/test-uhid.c
> @@ -0,0 +1,37 @@
> +/*
> + *
> + * BlueZ - Bluetooth protocol stack for Linux
> + *
> + * Copyright (C) 2014 Intel Corporation. All rights reserved.
> + *
> + *
> + * 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 St, Fifth Floor, Boston, MA 02110-1301 USA
> + *
> + */
> +
> +#ifdef HAVE_CONFIG_H
> +#include <config.h>
> +#endif
> +
> +#include <glib.h>
> +
> +#include "src/shared/uhid.h"
> +
> +int main(int argc, char *argv[])
> +{
> + g_test_init(&argc, &argv, NULL);
> +
> + return g_test_run();
> +}
> --
> 1.9.0
Pushed.
--
Luiz Augusto von Dentz
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