From 279be570ed794a141350c86c70876d958fa7df09 Mon Sep 17 00:00:00 2001
From: Jakub Tyszkowski <jakub.tyszkowski@tieto.com>
Date: Wed, 30 Apr 2014 11:13:50 +0200
Subject: [PATCH] android/gatt: Register device information service

This adds placeholder data to device information service. To get
real data we should figure out the best way to get Android's system
properties and expose them to profiles for reading.
---
 android/gatt.c | 97 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 97 insertions(+)

diff --git a/android/gatt.c b/android/gatt.c
index a51b28194..90a7d6415 100644
--- a/android/gatt.c
+++ b/android/gatt.c
@@ -3811,6 +3811,102 @@ static void register_gap_service(void)
 	gatt_db_service_set_active(gatt_db, gap_srvc_data.srvc , true);
 }
 
+/* TODO: Get those data from device possible via androig/bluetooth.c */
+static struct device_info {
+	const char *manufacturer_name;
+	const char *system_id;
+	const char *model_number;
+	const char *serial_number;
+	const char *firmware_rev;
+	const char *hardware_rev;
+	const char *software_rev;
+} device_info = {
+	.manufacturer_name =	"BlueZ",
+	.system_id =		"BlueZ for Android",
+	.model_number =		"model no",
+	.serial_number =	"serial no",
+	.firmware_rev =		"firmware rev",
+	.hardware_rev =		"hardware rev",
+	.software_rev =		"software rev",
+};
+
+static void device_info_read_cb(uint16_t handle, uint16_t offset,
+					uint8_t att_opcode, bdaddr_t *bdaddr,
+					void *user_data)
+{
+	uint8_t pdu[ATT_DEFAULT_LE_MTU];
+	struct gatt_device *dev;
+	char *buf = user_data;
+	uint16_t len;
+
+	dev = find_device_by_addr(bdaddr);
+	if (!dev) {
+		error("gatt: Could not find device ?!");
+		return;
+	}
+
+	len = enc_read_resp((uint8_t *) buf, strlen(buf), pdu, sizeof(pdu));
+
+	g_attrib_send(dev->attrib, 0, pdu, len, NULL, NULL, NULL);
+}
+
+static void register_device_info_service(void)
+{
+	bt_uuid_t uuid;
+	uint16_t srvc_handle;
+
+	DBG("");
+
+	/* Device Information Service */
+	bt_uuid16_create(&uuid, 0x180a);
+	srvc_handle = gatt_db_add_service(gatt_db, &uuid, true, 15);
+
+	/* User data are not const hence (void *) cast is used */
+	bt_uuid16_create(&uuid, GATT_CHARAC_SYSTEM_ID);
+	gatt_db_add_characteristic(gatt_db, srvc_handle, &uuid, 0,
+					GATT_CHR_PROP_READ,
+					device_info_read_cb, NULL,
+					(void *) device_info.system_id);
+
+	bt_uuid16_create(&uuid, GATT_CHARAC_MODEL_NUMBER_STRING);
+	gatt_db_add_characteristic(gatt_db, srvc_handle, &uuid, 0,
+					GATT_CHR_PROP_READ,
+					device_info_read_cb, NULL,
+					(void *) device_info.model_number);
+
+	bt_uuid16_create(&uuid, GATT_CHARAC_SERIAL_NUMBER_STRING);
+	gatt_db_add_characteristic(gatt_db, srvc_handle, &uuid, 0,
+					GATT_CHR_PROP_READ,
+					device_info_read_cb, NULL,
+					(void *) device_info.serial_number);
+
+	bt_uuid16_create(&uuid, GATT_CHARAC_FIRMWARE_REVISION_STRING);
+	gatt_db_add_characteristic(gatt_db, srvc_handle, &uuid, 0,
+					GATT_CHR_PROP_READ,
+					device_info_read_cb, NULL,
+					(void *) device_info.firmware_rev);
+
+	bt_uuid16_create(&uuid, GATT_CHARAC_HARDWARE_REVISION_STRING);
+	gatt_db_add_characteristic(gatt_db, srvc_handle, &uuid, 0,
+					GATT_CHR_PROP_READ,
+					device_info_read_cb, NULL,
+					(void *) device_info.hardware_rev);
+
+	bt_uuid16_create(&uuid, GATT_CHARAC_SOFTWARE_REVISION_STRING);
+	gatt_db_add_characteristic(gatt_db, srvc_handle, &uuid, 0,
+					GATT_CHR_PROP_READ,
+					device_info_read_cb, NULL,
+					(void *) device_info.software_rev);
+
+	bt_uuid16_create(&uuid, GATT_CHARAC_MANUFACTURER_NAME_STRING);
+	gatt_db_add_characteristic(gatt_db, srvc_handle, &uuid, 0,
+					GATT_CHR_PROP_READ,
+					device_info_read_cb, NULL,
+					(void *) device_info.manufacturer_name);
+
+	gatt_db_service_set_active(gatt_db, srvc_handle, true);
+}
+
 static bool start_listening_io(void)
 {
 	GError *gerr = NULL;
@@ -3877,6 +3973,7 @@ bool bt_gatt_register(struct ipc *ipc, const bdaddr_t *addr)
 						G_N_ELEMENTS(cmd_handlers));
 
 	register_gap_service();
+	register_device_info_service();
 
 	return true;
 }
-- 
2.47.3