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extracted method get_item(bt_addr_t*)

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This commit is contained in:
matthias.ringwald 2011-08-25 18:19:43 +00:00
parent 461809d6c5
commit 8ab76fbca2
1 changed files with 43 additions and 59 deletions
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102
src/remote_device_db_memory.c
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@ -48,28 +48,54 @@ static void db_open(void){
static void db_close(void){
}
static int get_link_key(bd_addr_t *bd_addr, link_key_t *link_key) {
db_mem_device_t * _get_item(bd_addr_t *bd_addr) {
linked_item_t *it;
for (it = (linked_item_t *) db_mem_devices; it ; it = it->next){
db_mem_device_t * item = (db_mem_device_t *) it;
if (BD_ADDR_CMP(item->bd_addr, *bd_addr) == 0) {
memcpy(link_key, item->link_key, LINK_KEY_LEN);
return 1;
return item;
}
}
return 0;
return NULL;
}
static void put_link_key(bd_addr_t *bd_addr, link_key_t *link_key){
linked_item_t *it;
for (it = (linked_item_t *) db_mem_devices; it ; it = it->next){
db_mem_device_t * item = (db_mem_device_t *) it;
if (BD_ADDR_CMP(item->bd_addr, *bd_addr) == 0) {
memcpy(item->link_key, link_key, LINK_KEY_LEN);
return;
}
}
static void delete_item(bd_addr_t *bd_addr){
device_name_t device_name;
db_mem_device_t * item = _get_item(bd_addr);
if (!item) return;
linked_list_remove(&db_mem_devices, (linked_item_t *) item);
btstack_memory_db_mem_device_free(item);
}
static int get_name(bd_addr_t *bd_addr, device_name_t *device_name) {
db_mem_device_t * item = _get_item(bd_addr);
if (!item) return 0;
strncpy((char*)device_name, item->device_name, MAX_NAME_LEN);
return 1;
}
static int get_link_key(bd_addr_t *bd_addr, link_key_t *link_key) {
db_mem_device_t * item = _get_item(bd_addr);
if (!item) return 0;
memcpy(link_key, item->link_key, LINK_KEY_LEN);
return 1;
}
static void delete_link_key(bd_addr_t *bd_addr){
delete_item(bd_addr);
}
static void put_link_key(bd_addr_t *bd_addr, link_key_t *link_key){
if ( get_link_key(bd_addr, link_key) ) return;
// Record not found, create new one for this device
db_mem_device_t * newItem = btstack_memory_db_mem_device_get();
@ -81,30 +107,13 @@ static void put_link_key(bd_addr_t *bd_addr, link_key_t *link_key){
linked_list_add(&db_mem_devices, (linked_item_t *) newItem);
}
static void delete_link_key(bd_addr_t *bd_addr){
linked_item_t *it;
for (it = (linked_item_t *) db_mem_devices; it ; it = it->next){
db_mem_device_t * item = (db_mem_device_t *) it;
if (BD_ADDR_CMP(item->bd_addr, *bd_addr) == 0) {
// Found record, delete it
linked_list_remove(&db_mem_devices, (linked_item_t *) item);
btstack_memory_db_mem_device_free(item);
return;
}
}
static void delete_name(bd_addr_t *bd_addr){
delete_item(bd_addr);
}
static void put_name(bd_addr_t *bd_addr, device_name_t *device_name){
linked_item_t *it;
for (it = (linked_item_t *) db_mem_devices; it ; it = it->next){
db_mem_device_t * item = (db_mem_device_t *) it;
if (BD_ADDR_CMP(item->bd_addr, *bd_addr) == 0) {
// Found record, ammend it
strncpy(item->device_name, (const char*) device_name, MAX_NAME_LEN);
return;
}
}
if (get_name(bd_addr, device_name)) return;
// Record not found, create a new one for this device
db_mem_device_t * newItem = btstack_memory_db_mem_device_get();
@ -113,34 +122,9 @@ static void put_name(bd_addr_t *bd_addr, device_name_t *device_name){
memcpy(newItem->bd_addr, bd_addr, sizeof(bd_addr_t));
strncpy(newItem->device_name, (const char*) device_name, MAX_NAME_LEN);
memset(newItem->link_key, 0, LINK_KEY_LEN);
linked_list_add(&db_mem_devices, (linked_item_t *) newItem);
}
static void delete_name(bd_addr_t *bd_addr){
linked_item_t *it;
for (it = (linked_item_t *) db_mem_devices; it ; it = it->next){
db_mem_device_t * item = (db_mem_device_t *) it;
if (BD_ADDR_CMP(item->bd_addr, *bd_addr) == 0) {
// Found record, delete it
linked_list_remove(&db_mem_devices, (linked_item_t *) item);
btstack_memory_db_mem_device_free(item);
return;
}
}
}
static int get_name(bd_addr_t *bd_addr, device_name_t *device_name) {
linked_item_t *it;
for (it = (linked_item_t *) db_mem_devices; it ; it = it->next){
db_mem_device_t * item = (db_mem_device_t *) it;
if (BD_ADDR_CMP(item->bd_addr, *bd_addr) == 0) {
strncpy((char*)device_name, item->device_name, MAX_NAME_LEN);
return 1;
}
}
return 0;
}
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