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Date: Mon, 3 Feb 2014 11:01:28 +0200
From: Andrei Emeltchenko <Andrei.Emeltchenko.news@gmail.com>
To: linux-bluetooth@vger.kernel.org
Subject: Re: [PATCH] android/avrcp: Decouple AVRCP logic from btio
Message-ID: <20140203090127.GD2930@aemeltch-MOBL1>
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On Thu, Jan 30, 2014 at 04:38:24PM +0200, Andrei Emeltchenko wrote:
> From: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
> 
> The patch makes AVRCP to be channel-agnostic so that it might be used in
> unit tests. The idea is that all AVRCP logic would come to avrcp-lib and
> channel stuff got to avrcp.
> ---
>  android/Android.mk  |  1 +
>  android/Makefile.am |  1 +
>  android/avrcp-lib.c | 87 +++++++++++++++++++++++++++++++++++++++++++++++++++++
>  android/avrcp-lib.h | 32 ++++++++++++++++++++
>  android/avrcp.c     | 46 ++--------------------------
>  5 files changed, 124 insertions(+), 43 deletions(-)
>  create mode 100644 android/avrcp-lib.c
>  create mode 100644 android/avrcp-lib.h
> 
> diff --git a/android/Android.mk b/android/Android.mk
> index 1d12da5..09b54d6 100644
> --- a/android/Android.mk
> +++ b/android/Android.mk
> @@ -30,6 +30,7 @@ LOCAL_SRC_FILES := \
>  	bluez/android/avdtp.c \
>  	bluez/android/a2dp.c \
>  	bluez/android/avctp.c \
> +	bluez/android/avrcp-lib.c \
>  	bluez/android/avrcp.c \
>  	bluez/android/pan.c \
>  	bluez/src/log.c \
> diff --git a/android/Makefile.am b/android/Makefile.am
> index e065c0c..29cbf79 100644
> --- a/android/Makefile.am
> +++ b/android/Makefile.am
> @@ -34,6 +34,7 @@ android_bluetoothd_SOURCES = android/main.c \
>  				android/avdtp.h android/avdtp.c \
>  				android/a2dp.h android/a2dp.c \
>  				android/avctp.h android/avctp.c \
> +				android/avrcp-lib.h android/avrcp-lib.c \
>  				android/avrcp.h android/avrcp.c \
>  				android/socket.h android/socket.c \
>  				android/pan.h android/pan.c \
> diff --git a/android/avrcp-lib.c b/android/avrcp-lib.c
> new file mode 100644
> index 0000000..33d03d9
> --- /dev/null
> +++ b/android/avrcp-lib.c
> @@ -0,0 +1,87 @@
> +/*
> + *
> + *  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 <stdbool.h>
> +#include <glib.h>
> +
> +#include "lib/bluetooth.h"
> +
> +#include "src/log.h"
> +
> +#include "avctp.h"
> +#include "avrcp-lib.h"
> +
> +static GSList *devices = NULL;
> +
> +void avrcp_device_free(void *data)
> +{
> +	struct avrcp_device *dev = data;
> +
> +	if (dev->session)
> +		avctp_shutdown(dev->session);
> +
> +	devices = g_slist_remove(devices, dev);
> +	g_free(dev);
> +}
> +
> +void avrcp_free_all(void)
> +{
> +	g_slist_free_full(devices, avrcp_device_free);
> +	devices = NULL;
> +}
> +
> +struct avrcp_device *avrcp_device_new(const bdaddr_t *dst)
> +{
> +	struct avrcp_device *dev;
> +
> +	dev = g_new0(struct avrcp_device, 1);
> +	bacpy(&dev->dst, dst);
> +	devices = g_slist_prepend(devices, dev);
> +
> +	return dev;
> +}
> +
> +static int device_cmp(gconstpointer s, gconstpointer user_data)
> +{
> +	const struct avrcp_device *dev = s;
> +	const bdaddr_t *dst = user_data;
> +
> +	return bacmp(&dev->dst, dst);
> +}
> +
> +struct avrcp_device *avrcp_find(bdaddr_t *dst)
> +{
> +	GSList *l;
> +
> +	l = g_slist_find_custom(devices, dst, device_cmp);
> +	if (l) {

will fix this to !l

Best regards 
Andrei Emeltchenko