1 #include <stdint.h> 2 #include <stdio.h> 3 #include <stdlib.h> 4 #include <string.h> 5 6 #include "hci.h" 7 #include "hci_dump.h" 8 #include "l2cap.h" 9 10 #include "ble/att_db.h" 11 #include "ble/gatt_client.h" 12 #include "ble/sm.h" 13 #include "gap.h" 14 15 #define PREBUFFER_SIZE (HCI_INCOMING_PRE_BUFFER_SIZE + 8) 16 17 static btstack_packet_handler_t att_packet_handler; 18 static void (*registered_hci_event_handler) (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size) = NULL; 19 20 static btstack_linked_list_t connections; 21 static const uint16_t max_mtu = 23; 22 static uint8_t l2cap_stack_buffer[PREBUFFER_SIZE + max_mtu]; // pre buffer + HCI Header + L2CAP header 23 static uint16_t gatt_client_handle = 0x40; 24 static hci_connection_t hci_connection; 25 26 uint16_t get_gatt_client_handle(void){ 27 return gatt_client_handle; 28 } 29 30 void mock_simulate_command_complete(const hci_cmd_t *cmd){ 31 uint8_t packet[] = {HCI_EVENT_COMMAND_COMPLETE, 4, 1, (uint8_t) (cmd->opcode & 0xff), (uint8_t) (cmd->opcode >> 8), 0}; 32 registered_hci_event_handler(HCI_EVENT_PACKET, 0, (uint8_t *)&packet, sizeof(packet)); 33 } 34 35 void mock_simulate_hci_state_working(void){ 36 uint8_t packet[3] = {BTSTACK_EVENT_STATE, 0, HCI_STATE_WORKING}; 37 registered_hci_event_handler(HCI_EVENT_PACKET, 0, (uint8_t *)&packet, 3); 38 } 39 40 void mock_simulate_connected(void){ 41 uint8_t packet[] = {0x3E, 0x13, 0x01, 0x00, 0x40, 0x00, 0x00, 0x00, 0x9B, 0x77, 0xD1, 0xF7, 0xB1, 0x34, 0x50, 0x00, 0x00, 0x00, 0xD0, 0x07, 0x05}; 42 registered_hci_event_handler(HCI_EVENT_PACKET, 0, (uint8_t *)&packet, sizeof(packet)); 43 } 44 45 void mock_simulate_scan_response(void){ 46 uint8_t packet[] = {0xE2, 0x13, 0xE2, 0x01, 0x34, 0xB1, 0xF7, 0xD1, 0x77, 0x9B, 0xCC, 0x09, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08}; 47 registered_hci_event_handler(HCI_EVENT_PACKET, 0, (uint8_t *)&packet, sizeof(packet)); 48 } 49 int gap_authenticated(hci_con_handle_t con_handle){ 50 UNUSED(con_handle); 51 return false; 52 } 53 int gap_encryption_key_size(hci_con_handle_t con_handle){ 54 UNUSED(con_handle); 55 return 0; 56 } 57 void sm_request_pairing(hci_con_handle_t con_handle){ 58 UNUSED(con_handle); 59 } 60 void gap_start_scan(void){ 61 } 62 void gap_stop_scan(void){ 63 } 64 uint8_t gap_connect(const bd_addr_t addr, bd_addr_type_t addr_type){ 65 return 0; 66 } 67 void gap_set_scan_parameters(uint8_t scan_type, uint16_t scan_interval, uint16_t scan_window){ 68 } 69 70 int gap_reconnect_security_setup_active(hci_con_handle_t con_handle){ 71 UNUSED(con_handle); 72 return 0; 73 } 74 75 static void att_init_connection(att_connection_t * att_connection){ 76 att_connection->mtu = 23; 77 att_connection->max_mtu = 23; 78 att_connection->encryption_key_size = 0; 79 att_connection->authenticated = 0; 80 att_connection->authorized = 0; 81 } 82 83 int hci_can_send_acl_le_packet_now(void){ 84 return 1; 85 } 86 87 int l2cap_can_send_connectionless_packet_now(void){ 88 return 1; 89 } 90 91 uint8_t *l2cap_get_outgoing_buffer(void){ 92 return (uint8_t *)&l2cap_stack_buffer[HCI_INCOMING_PRE_BUFFER_SIZE + 8]; 93 } 94 95 uint16_t l2cap_max_mtu(void){ 96 // printf("l2cap_max_mtu\n"); 97 return max_mtu; 98 } 99 100 uint16_t l2cap_max_le_mtu(void){ 101 // printf("l2cap_max_mtu\n"); 102 return max_mtu; 103 } 104 105 void l2cap_init(void){} 106 107 void l2cap_register_fixed_channel(btstack_packet_handler_t packet_handler, uint16_t channel_id) { 108 att_packet_handler = packet_handler; 109 } 110 111 void hci_add_event_handler(btstack_packet_callback_registration_t * callback_handler){ 112 registered_hci_event_handler = callback_handler->callback; 113 } 114 115 int l2cap_reserve_packet_buffer(void){ 116 return 1; 117 } 118 119 int l2cap_can_send_fixed_channel_packet_now(uint16_t handle, uint16_t channel_id){ 120 return 1; 121 } 122 123 void l2cap_request_can_send_fix_channel_now_event(uint16_t handle, uint16_t channel_id){ 124 uint8_t event[] = { L2CAP_EVENT_CAN_SEND_NOW, 2, 1, 0}; 125 att_packet_handler(HCI_EVENT_PACKET, 0, (uint8_t*)event, sizeof(event)); 126 } 127 128 int l2cap_send_prepared_connectionless(uint16_t handle, uint16_t cid, uint16_t len){ 129 att_connection_t att_connection; 130 att_init_connection(&att_connection); 131 uint8_t response_buffer[PREBUFFER_SIZE + max_mtu]; 132 uint8_t * response = &response_buffer[PREBUFFER_SIZE]; 133 uint16_t response_len = att_handle_request(&att_connection, l2cap_get_outgoing_buffer(), len, response); 134 if (response_len){ 135 att_packet_handler(ATT_DATA_PACKET, gatt_client_handle, &response[0], response_len); 136 } 137 return 0; 138 } 139 140 void sm_add_event_handler(btstack_packet_callback_registration_t * callback_handler){ 141 } 142 143 int sm_cmac_ready(void){ 144 return 1; 145 } 146 void sm_cmac_signed_write_start(const sm_key_t key, uint8_t opcode, uint16_t attribute_handle, uint16_t message_len, const uint8_t * message, uint32_t sign_counter, void (*done_callback)(uint8_t * hash)){ 147 //sm_notify_client(SM_EVENT_IDENTITY_RESOLVING_SUCCEEDED, sm_central_device_addr_type, sm_central_device_address, 0, sm_central_device_matched); 148 } 149 int sm_le_device_index(uint16_t handle ){ 150 return -1; 151 } 152 void sm_send_security_request(hci_con_handle_t con_handle){ 153 } 154 155 irk_lookup_state_t sm_identity_resolving_state(hci_con_handle_t con_handle){ 156 return IRK_LOOKUP_SUCCEEDED; 157 } 158 void btstack_run_loop_set_timer(btstack_timer_source_t *a, uint32_t timeout_in_ms){ 159 } 160 161 // Set callback that will be executed when timer expires. 162 void btstack_run_loop_set_timer_handler(btstack_timer_source_t *ts, void (*process)(btstack_timer_source_t *_ts)){ 163 } 164 165 // Add/Remove timer source. 166 void btstack_run_loop_add_timer(btstack_timer_source_t *timer){ 167 } 168 169 int btstack_run_loop_remove_timer(btstack_timer_source_t *timer){ 170 return 1; 171 } 172 173 // todo: 174 hci_connection_t * hci_connection_for_bd_addr_and_type(bd_addr_t addr, bd_addr_type_t addr_type){ 175 printf("hci_connection_for_bd_addr_and_type not implemented in mock backend\n"); 176 return NULL; 177 } 178 hci_connection_t * hci_connection_for_handle(hci_con_handle_t con_handle){ 179 return &hci_connection; 180 } 181 void hci_connections_get_iterator(btstack_linked_list_iterator_t *it){ 182 // printf("hci_connections_get_iterator not implemented in mock backend\n"); 183 btstack_linked_list_iterator_init(it, &connections); 184 } 185 186 // int hci_send_cmd(const hci_cmd_t *cmd, ...){ 187 // // printf("hci_send_cmd opcode 0x%02x\n", cmd->opcode); 188 // return 0; 189 // } 190 191 // int hci_can_send_packet_now_using_packet_buffer(uint8_t packet_type){ 192 // return 1; 193 // } 194 195 // void hci_disconnect_security_block(hci_con_handle_t con_handle){ 196 // printf("hci_disconnect_security_block \n"); 197 // } 198 199 // void hci_dump_log(const char * format, ...){ 200 // printf("hci_disconnect_security_block \n"); 201 // } 202 203 void l2cap_run(void){ 204 } 205