From 40a69f0ac57841d7c78562e6a6bda0bfe316e0f8 Mon Sep 17 00:00:00 2001
From: Szymon Janc <szymon.janc@tieto.com>
Date: Thu, 19 Dec 2013 13:38:30 +0100
Subject: [PATCH] android/bluetooth: Add initial support for storing device
 info

This allows to store information about remote device. For now this is
stored only for bonded devices. Currently stored data includes devices
ddress, type, name, friendly name, class and uuids.
---
 android/bluetooth.c | 76 ++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 75 insertions(+), 1 deletion(-)

diff --git a/android/bluetooth.c b/android/bluetooth.c
index b7b81d2eb..e1961bf98 100644
--- a/android/bluetooth.c
+++ b/android/bluetooth.c
@@ -186,6 +186,76 @@ static void load_adapter_config(void)
 	g_key_file_free(key_file);
 }
 
+static void store_device_info(struct device *dev)
+{
+	GKeyFile *key_file;
+	char addr[18];
+	gsize length = 0;
+	char **uuids = NULL;
+	char *str;
+
+	if (dev->bond_state != HAL_BOND_STATE_BONDED &&
+			dev->bond_state != HAL_BOND_STATE_NONE)
+		return;
+
+	ba2str(&dev->bdaddr, addr);
+
+	key_file = g_key_file_new();
+	g_key_file_load_from_file(key_file, ANDROID_STORAGEDIR"/devices", 0,
+									NULL);
+
+	if (dev->bond_state == HAL_BOND_STATE_NONE) {
+		g_key_file_remove_group(key_file, addr, NULL);
+		goto done;
+	}
+
+	g_key_file_set_integer(key_file, addr, "Type", dev->bdaddr_type);
+
+	g_key_file_set_string(key_file, addr, "Name", dev->name);
+
+	if (dev->friendly_name)
+		g_key_file_set_string(key_file, addr, "FriendlyName",
+							dev->friendly_name);
+	else
+		g_key_file_remove_key(key_file, addr, "FriendlyName", NULL);
+
+	if (dev->class)
+		g_key_file_set_integer(key_file, addr, "Class", dev->class);
+	else
+		g_key_file_remove_key(key_file, addr, "Class", NULL);
+
+	if (dev->uuids) {
+		GSList *l;
+		int i;
+
+		uuids = g_new0(char *, g_slist_length(dev->uuids) + 1);
+
+		for (i = 0, l = dev->uuids; l; l = g_slist_next(l), i++) {
+			int j;
+			uint8_t *u = l->data;
+			char *uuid_str = g_malloc0(33);
+
+			for (j = 0; j < 16; j++)
+				sprintf(uuid_str + (j * 2), "%2.2X", u[j]);
+
+			uuids[i] = uuid_str;
+		}
+
+		g_key_file_set_string_list(key_file, addr, "Services",
+						(const char **)uuids, i);
+	} else {
+		g_key_file_remove_key(key_file, addr, "Services", NULL);
+	}
+
+done:
+	str = g_key_file_to_data(key_file, &length, NULL);
+	g_file_set_contents(ANDROID_STORAGEDIR"/devices", str, length, NULL);
+	g_free(str);
+
+	g_key_file_free(key_file);
+	g_strfreev(uuids);
+}
+
 static int bdaddr_cmp(gconstpointer a, gconstpointer b)
 {
 	const bdaddr_t *bda = a;
@@ -448,6 +518,8 @@ static void set_device_bond_state(const bdaddr_t *addr, uint8_t status,
 	if (dev->bond_state != state) {
 		dev->bond_state = state;
 		send_bond_state_change(&dev->bdaddr, status, state);
+
+		store_device_info(dev);
 	}
 }
 
@@ -488,6 +560,8 @@ static void set_device_uuids(struct device *dev, GSList *uuids)
 	g_slist_free_full(dev->uuids, g_free);
 	dev->uuids = uuids;
 
+	store_device_info(dev);
+
 	send_device_uuids_notif(dev);
 }
 
@@ -2529,7 +2603,7 @@ static uint8_t set_device_friendly_name(struct device *dev, const uint8_t *val,
 	g_free(dev->friendly_name);
 	dev->friendly_name = g_strndup((const char *) val, len);
 
-	/* TODO store friendly name */
+	store_device_info(dev);
 
 	send_device_property(&dev->bdaddr, HAL_PROP_DEVICE_FRIENDLY_NAME,
 				strlen(dev->friendly_name), dev->friendly_name);
-- 
2.47.3