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sm: add sm_add_event_handler

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This commit is contained in:
Matthias Ringwald 2016-02-04 11:35:25 +01:00
parent 95cd7e0a67
commit 89a78d34c5
2 changed files with 30 additions and 15 deletions
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40
src/ble/sm.c
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@ -176,6 +176,9 @@ static void * sm_random_context;
// to receive hci events
static btstack_packet_callback_registration_t hci_event_callback_registration;
/* to dispatch sm event */
static btstack_linked_list_t sm_event_handlers;
//
// Volume 3, Part H, Chapter 24
// "Security shall be initiated by the Security Manager in the device in the master role.
@ -474,30 +477,37 @@ static void sm_setup_event_base(uint8_t * event, int event_size, uint8_t type, u
bt_flip_addr(&event[5], address);
}
static void sm_dispatch_event(uint8_t packet_type, uint16_t channel, uint8_t * packet, uint16_t size){
if (sm_client_packet_handler) {
sm_client_packet_handler(HCI_EVENT_PACKET, 0, packet, size);
}
// dispatch to all event handlers
btstack_linked_list_iterator_t it;
btstack_linked_list_iterator_init(&it, &sm_event_handlers);
while (btstack_linked_list_iterator_has_next(&it)){
btstack_packet_callback_registration_t * entry = (btstack_packet_callback_registration_t*) btstack_linked_list_iterator_next(&it);
entry->callback(packet_type, packet, size);
}
}
static void sm_notify_client_base(uint8_t type, uint16_t handle, uint8_t addr_type, bd_addr_t address){
uint8_t event[11];
sm_setup_event_base(event, sizeof(event), type, handle, addr_type, address);
if (!sm_client_packet_handler) return;
sm_client_packet_handler(HCI_EVENT_PACKET, 0, event, sizeof(event));
sm_dispatch_event(HCI_EVENT_PACKET, 0, event, sizeof(event));
}
static void sm_notify_client_passkey(uint8_t type, uint16_t handle, uint8_t addr_type, bd_addr_t address, uint32_t passkey){
uint8_t event[15];
sm_setup_event_base(event, sizeof(event), type, handle, addr_type, address);
little_endian_store_32(event, 11, passkey);
if (!sm_client_packet_handler) return;
sm_client_packet_handler(HCI_EVENT_PACKET, 0, event, sizeof(event));
sm_dispatch_event(HCI_EVENT_PACKET, 0, event, sizeof(event));
}
static void sm_notify_client_index(uint8_t type, uint16_t handle, uint8_t addr_type, bd_addr_t address, uint16_t index){
uint8_t event[13];
sm_setup_event_base(event, sizeof(event), type, handle, addr_type, address);
little_endian_store_16(event, 11, index);
if (!sm_client_packet_handler) return;
sm_client_packet_handler(HCI_EVENT_PACKET, 0, event, sizeof(event));
sm_dispatch_event(HCI_EVENT_PACKET, 0, event, sizeof(event));
}
static void sm_notify_client_authorization(uint8_t type, uint16_t handle, uint8_t addr_type, bd_addr_t address, uint8_t result){
@ -505,9 +515,7 @@ static void sm_notify_client_authorization(uint8_t type, uint16_t handle, uint8_
uint8_t event[18];
sm_setup_event_base(event, sizeof(event), type, handle, addr_type, address);
event[11] = result;
if (!sm_client_packet_handler) return;
sm_client_packet_handler(HCI_EVENT_PACKET, 0, (uint8_t*) &event, sizeof(event));
sm_dispatch_event(HCI_EVENT_PACKET, 0, (uint8_t*) &event, sizeof(event));
}
// decide on stk generation based on
@ -2007,9 +2015,7 @@ static void sm_event_packet_handler (uint8_t packet_type, uint8_t *packet, uint1
}
// forward packet to higher layer
if (sm_client_packet_handler){
sm_client_packet_handler(packet_type, 0, packet, size);
}
sm_dispatch_event(packet_type, 0, packet, size);
}
sm_run();
@ -2263,6 +2269,10 @@ void sm_register_packet_handler(btstack_packet_handler_t handler){
sm_client_packet_handler = handler;
}
void sm_add_event_handler(btstack_packet_callback_registration_t * callback_handler){
btstack_linked_list_add_tail(&sm_event_handlers, (btstack_linked_item_t*) callback_handler);
}
void sm_set_accepted_stk_generation_methods(uint8_t accepted_stk_generation_methods){
sm_accepted_stk_generation_methods = accepted_stk_generation_methods;
}

5
src/ble/sm.h
View File

@ -86,6 +86,11 @@ void sm_register_oob_data_callback( int (*get_oob_data_callback)(uint8_t addres_
*/
void sm_register_packet_handler(btstack_packet_handler_t handler);
/**
* @brief Add event packet handler.
*/
void sm_add_event_handler(btstack_packet_callback_registration_t * callback_handler);
/**
* @brief Limit the STK generation methods. Bonding is stopped if the resulting one isn't in the list
* @param OR combination of SM_STK_GENERATION_METHOD_