src/oem/oem_emul.c

   1 /*
   2 * Copyright (c) 2012, 2013 Samsung Electronics Co., Ltd.
   3 *
   4 * Licensed under the Apache License, Version 2.0 (the "License");
   5 * you may not use this file except in compliance with the License.
   6 * You may obtain a copy of the License at
   7 *
   8 * http://www.apache.org/licenses/LICENSE-2.0
   9 *
  10 * Unless required by applicable law or agreed to in writing, software
  11 * distributed under the License is distributed on an "AS IS" BASIS,
  12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 * See the License for the specific language governing permissions and
  14 * limitations under the License.
  15 */
  16
  17 #include <pthread.h>
  18 #include <time.h>
  19 #include <sys/time.h>
  20 #include <dirent.h>
  21 #include <stdlib.h>
  22 #include <stdio.h>
  23 #include <unistd.h>
  24 #include <sys/stat.h>
  25 #include <sys/types.h>
  26 #include <fcntl.h>
  27 #include <malloc.h>
  28 #include <vconf.h>
  29
  30 #include <pwd.h>
  31 #include <grp.h>
  32 #include <sys/epoll.h>
  33
  34 #ifdef USE_GLIB_MAIN_LOOP
  35 #include <glib.h>
  36 #endif
  37
  38 #include <net_nfc_oem_controller.h>
  39 #include "net_nfc_typedef.h"
  40 #include "nfc_debug_private.h"
  41 #include "net_nfc_util_internal.h"
  42 #include "net_nfc_util_ndef_message.h"
  43 #include "net_nfc_util_ndef_record.h"
  44
  45 #include <netinet/in.h>
  46
  47 /***************************    STRUCTURE DEFINE START  ***************************************/
  48
  49 #ifndef NET_NFC_EXPORT_API
  50 #define NET_NFC_EXPORT_API __attribute__((visibility("default")))
  51 #endif
  52
  53 typedef enum {
  54         EMUL_NFC_TAG_DISCOVERED = 100,
  55         EMUL_NFC_TAG_DETACHED,
  56         EMUL_NFC_P2P_DISCOVERED,
  57         EMUL_NFC_P2P_DETACHED,
  58         EMUL_NFC_P2P_SEND,
  59         EMUL_NFC_UNKNOWN_MSG
  60 } emul_message_id;
  61
  62 typedef enum {
  63         EMUL_TAG_TOPAZ_JEWEL =1,
  64         EMUL_TAG_MIFARE_UL,
  65         EMUL_TAG_FELICA,
  66         EMUL_TAG_MIFARE_DESFIRE,
  67         EMUL_NFC_TARGET,
  68         EMUL_TARGET_TYPE_MAX
  69 } emul_target_type;
  70
  71 typedef enum {
  72         EMUL_NDEF_TNF_EMPTY = 0,
  73         EMUL_NDEF_TNF_WELL_KNOWN,
  74         EMUL_NDEF_TNF_MIME_MEDIA,
  75         EMUL_NDEF_TNF_ABSOLUTE_URI,
  76         EMUL_NDEF_TNF_EXTERNAL,
  77         EMUL_NDEF_TNF_UNKNOWN
  78 } emul_ndef_name_format;
  79
  80 typedef enum {
  81         NET_NFC_STATE_EXCHANGER_SERVER = 0x00,
  82         NET_NFC_STATE_EXCHANGER_SERVER_NPP,
  83
  84         NET_NFC_STATE_EXCHANGER_CLIENT,
  85         NET_NFC_STATE_CONN_HANDOVER_REQUEST,
  86         NET_NFC_STATE_CONN_HANDOVER_SELECT,
  87         NET_NFC_STATE_UNKNOWN
  88 } llcp_state_e;
  89
  90 typedef enum{
  91         SNEP_REQ_CONTINUE = 0x00,
  92         SNEP_REQ_GET = 0x01,
  93         SNEP_REQ_PUT = 0x02,
  94         SNEP_REQ_REJECT = 0x7F,
  95         SNEP_RESP_CONT = 0x80,
  96         SNEP_RESP_SUCCESS = 0x81,
  97         SNEP_RESP_NOT_FOUND = 0xC0,
  98         SNEP_RESP_EXCESS_DATA = 0xC1,
  99         SNEP_RESP_BAD_REQ = 0xC2,
 100         SNEP_RESP_NOT_IMPLEMENT = 0xE0,
 101         SNEP_RESP_UNSUPPORTED_VER = 0xE1,
 102         SNEP_RESP_REJECT = 0xFF,
 103 }snep_command_field_e;
 104
 105 typedef struct _socket_info_s {
 106         net_nfc_llcp_socket_t socket_handle;
 107         bool isValid;
 108         void* user_context;
 109 }socket_info_s;
 110
 111 typedef struct _net_nfc_oem_llcp_state_t{
 112         int client_fd;
 113         unsigned int step;
 114         unsigned int fragment_offset;
 115         llcp_state_e state;
 116         net_nfc_llcp_socket_t socket;
 117         uint16_t max_capability;
 118         net_nfc_target_handle_s * handle;
 119         net_nfc_error_e prev_result;
 120         net_nfc_llcp_socket_t incomming_socket;
 121         ndef_message_s *requester;
 122         ndef_message_s *selector;
 123         bool low_power;
 124         void * user_data;
 125         void * payload;
 126
 127         llcp_app_protocol_e type_app_protocol;
 128         net_nfc_conn_handover_carrier_type_e type;
 129
 130 } net_nfc_oem_llcp_state_t;
 131
 132 typedef struct _snep_msg_s{
 133         data_s *data;
 134         int offset;
 135         bool isSegment;
 136
 137         /* Members below are used for snep msg of client */
 138         bool firstTime;
 139         bool RespContinue;
 140 }snep_msg_s;
 141
 142 typedef struct _emulMsg_data_s{
 143         net_nfc_record_tnf_e tnf;
 144         data_s typeName;
 145         data_s id;
 146         data_s payload;
 147
 148         bool realRecord;
 149 }emulMsg_data_s;
 150
 151 typedef struct _emulMsg_s{
 152         emul_message_id message_id;
 153         emul_target_type target_type;
 154         int record_count;
 155         uint8_t* file_data;
 156 }emulMsg_s;
 157
 158 typedef void * (*emul_Nfc_thread_handler_t)   (void * pParam);
 159
 160 /***************************    STRUCTURE DEFINE START  ***************************************/
 161
 162 #define __USE_EPOLL_FOR_FILE__ 1
 163
 164
 165 /******************************             DEFINE START        *******************************************/
 166
 167 /* for emulator management */
 168 #define NET_NFC_EMUL_DATA_PATH                          "/dev"
 169 #define NET_NFC_EMUL_MESSAGE_FILE_NAME          "nfc0"
 170 #define NET_NFC_EMUL_MSG_ID_SEPERATOR                   "\n:"
 171 #define NET_NFC_EMUL_MSG_DATA_SEPERATOR         "\n\0"
 172 #define NET_NFC_EMUL_MSG_RECORD_SEPERATOR       "\n,"
 173 #define NET_NFC_EMUL_TAG_DISCOVERED_DATA_FORMAT "%d,%d,%[^\n]"
 174 #define NET_NFC_EMUL_HEADER_LENGTH              8
 175
 176 #ifdef __USE_EPOLL_FOR_FILE__
 177 #define EPOLL_SIZE 128
 178 #endif
 179
 180 /* for llcp functionality */
 181 #define LLCP_NB_SOCKET_MAX 5
 182 #define NET_NFC_EMUL_SNEP_SERVER_SOCKET_NUMBER 0
 183 #define NET_NFC_EMUL_INCOMING_SOCKET_NUMBER 0
 184 #define NET_NFC_EMUL_NPP_SERVER_SOCKET_NUMBER 1
 185 #define NET_NFC_EMUL_CLIENT_SOCKET_NUMBER 2
 186 #define NET_NFC_EMUL_HANDOVER_REQUEST_SOCKET_NUMBER 3
 187 #define NET_NFC_EMUL_HANDOVER_SELECT_SOCKET_NUMBER 4
 188
 189 #define SNEP_MAX_BUFFER 128
 190 #define SNEP_MAJOR_VER 1
 191 #define SNEP_MINOR_VER 0
 192
 193 /* static variable */
 194 #define BUFFER_LENGTH_MAX 4096
 195 #define READ_BUFFER_LENGTH_MAX BUFFER_LENGTH_MAX
 196 #define WRITE_BUFFER_LENGTH_MAX BUFFER_LENGTH_MAX
 197 #define NET_NFC_MAX_LLCP_SOCKET_BUFFER BUFFER_LENGTH_MAX
 198
 199 /******************************             DEFINE END  *******************************************/
 200
 201
 202
 203 /******************************          VARIABLE START *******************************************/
 204
 205 /* listener callback */
 206 static target_detection_listener_cb     g_emul_controller_target_cb ;
 207 static se_transaction_listener_cb               g_emul_controller_se_cb ;
 208 static llcp_event_listener_cb                   g_emul_controller_llcp_cb ;
 209 static hce_apdu_listener_cb     g_emul_controller_hce_cb ;
 210
 211 /* for emulator management */
 212 pthread_t                       gEmulThread;
 213
 214 /* for stack management */
 215 static net_nfc_target_handle_s * current_working_handle = NULL;
 216 static bool                     g_stack_init_successful = 0;
 217 static bool                     g_tag_attached = 0;
 218 static bool                     g_p2p_attached = 0;
 219 static int                      current_connection_id = 1;
 220 /* for llcp functionality */
 221
 222 socket_info_s socket_info_array[LLCP_NB_SOCKET_MAX] = {{0,}};
 223
 224 snep_msg_s*     Snep_Server_msg;
 225 data_s * llcp_server_data = NULL;
 226
 227 pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
 228
 229 /******************************          VARIABLE END   *******************************************/
 230
 231
 232
 233 /***************************    STATIC FUNCTION DECLARE START   ***************************************/
 234
 235 /***************************    INTERFACE START ***************************************/
 236
 237 static bool net_nfc_emul_controller_init (net_nfc_error_e* result);
 238 static bool net_nfc_emul_controller_deinit (void);
 239 static bool net_nfc_emul_controller_register_listener(
 240         target_detection_listener_cb target_detection_listener,
 241         se_transaction_listener_cb se_transaction_listener,
 242         llcp_event_listener_cb llcp_event_listener,
 243         hce_apdu_listener_cb hce_apdu_listener,
 244         net_nfc_error_e* result);
 245 static bool net_nfc_emul_controller_unregister_listener();
 246 static bool net_nfc_emul_controller_get_firmware_version(data_s **data, net_nfc_error_e *result);
 247 static bool net_nfc_emul_controller_check_firmware_version(net_nfc_error_e* result);
 248 static bool net_nfc_emul_controller_update_firmware(net_nfc_error_e* result);
 249 static bool net_nfc_emul_controller_get_stack_information(net_nfc_stack_information_s* stack_info, net_nfc_error_e* result);
 250 static bool net_nfc_emul_controller_configure_discovery (net_nfc_discovery_mode_e mode, net_nfc_event_filter_e config, net_nfc_error_e* result);
 251 static bool net_nfc_emul_controller_get_secure_element_list(net_nfc_secure_element_info_s* list, int* count, net_nfc_error_e* result);
 252 static bool net_nfc_emul_controller_set_secure_element_mode(net_nfc_secure_element_type_e element_type, net_nfc_secure_element_mode_e mode, net_nfc_error_e* result);
 253 static bool net_nfc_emul_controller_connect(net_nfc_target_handle_s* handle, net_nfc_error_e* result);
 254 static bool net_nfc_emul_controller_disconnect(net_nfc_target_handle_s* handle, net_nfc_error_e* result);
 255 static bool net_nfc_emul_controller_check_ndef(net_nfc_target_handle_s* handle, uint8_t *ndef_card_state, int* max_data_size, int* real_data_size, net_nfc_error_e* result);
 256 static bool net_nfc_emul_controller_check_target_presence(net_nfc_target_handle_s* handle, net_nfc_error_e* result);
 257 static bool net_nfc_emul_controller_read_ndef(net_nfc_target_handle_s* handle, data_s** data, net_nfc_error_e* result);
 258 static bool net_nfc_emul_controller_write_ndef(net_nfc_target_handle_s* handle, data_s* data, net_nfc_error_e* result);
 259 static bool net_nfc_emul_controller_make_read_only_ndef(net_nfc_target_handle_s* handle, net_nfc_error_e* result);
 260 static bool net_nfc_emul_controller_transceive (net_nfc_target_handle_s* handle, net_nfc_transceive_info_s* info, data_s** data, net_nfc_error_e* result);
 261 static bool net_nfc_emul_controller_format_ndef(net_nfc_target_handle_s* handle, data_s* secure_key, net_nfc_error_e* result);
 262 static bool net_nfc_emul_controller_exception_handler(void);
 263 static bool net_nfc_emul_controller_is_ready(net_nfc_error_e* error);
 264
 265 static bool net_nfc_emul_controller_llcp_config (net_nfc_llcp_config_info_s * config, net_nfc_error_e * result);
 266 static bool net_nfc_emul_controller_llcp_check_llcp (net_nfc_target_handle_s * handle, net_nfc_error_e* result);
 267 static bool net_nfc_emul_controller_llcp_activate_llcp (net_nfc_target_handle_s * handle, net_nfc_error_e* result);
 268 static bool net_nfc_emul_controller_llcp_create_socket (net_nfc_llcp_socket_t* socket, net_nfc_socket_type_e socketType, uint16_t miu, uint8_t rw,  net_nfc_error_e* result, void * user_param);
 269 static bool net_nfc_emul_controller_llcp_bind(net_nfc_llcp_socket_t socket, uint8_t service_access_point, net_nfc_error_e* result);
 270 static bool net_nfc_emul_controller_llcp_listen(net_nfc_target_handle_s* handle, uint8_t* service_access_name, net_nfc_llcp_socket_t socket, net_nfc_error_e* result, void * user_param);
 271 static bool net_nfc_emul_controller_llcp_accept (net_nfc_llcp_socket_t socket, net_nfc_error_e* result, void *user_param);
 272 static bool net_nfc_emul_controller_llcp_connect_by_url( net_nfc_target_handle_s* handle, net_nfc_llcp_socket_t socket, uint8_t* service_access_name, net_nfc_error_e* result, void * user_param);
 273 static bool net_nfc_emul_controller_llcp_connect(net_nfc_target_handle_s* handle, net_nfc_llcp_socket_t socket, uint8_t service_access_point, net_nfc_error_e* result, void * user_param);
 274 static bool net_nfc_emul_controller_llcp_reject(net_nfc_target_handle_s* handle, net_nfc_llcp_socket_t  socket, net_nfc_error_e* result);
 275 static bool net_nfc_emul_controller_llcp_disconnect (net_nfc_target_handle_s* handle, net_nfc_llcp_socket_t socket, net_nfc_error_e* result, void * user_param);
 276 static bool net_nfc_emul_controller_llcp_socket_close (net_nfc_llcp_socket_t socket, net_nfc_error_e* result);
 277 static bool net_nfc_emul_controller_llcp_recv(net_nfc_target_handle_s* handle, net_nfc_llcp_socket_t socket, data_s* data, net_nfc_error_e* result, void * user_param);
 278 static bool net_nfc_emul_controller_llcp_send(net_nfc_target_handle_s* handle, net_nfc_llcp_socket_t    socket, data_s* data, net_nfc_error_e* result, void * user_param);
 279 static bool net_nfc_emul_controller_llcp_recv_from(net_nfc_target_handle_s* handle, net_nfc_llcp_socket_t socket, data_s * data, net_nfc_error_e* result, void * user_param);
 280 static bool net_nfc_emul_controller_llcp_send_to(net_nfc_target_handle_s* handle, net_nfc_llcp_socket_t socket, data_s* data, uint8_t service_access_point, net_nfc_error_e* result, void * user_param);
 281 static bool net_nfc_emul_controller_llcp_get_remote_config (net_nfc_target_handle_s* handle, net_nfc_llcp_config_info_s *config, net_nfc_error_e* result);
 282 static bool net_nfc_emul_controller_llcp_get_remote_socket_info (net_nfc_target_handle_s* handle, net_nfc_llcp_socket_t socket, net_nfc_llcp_socket_option_s * option, net_nfc_error_e* result);
 283
 284 static bool net_nfc_emul_controller_support_nfc(net_nfc_error_e *result);
 285 static bool net_nfc_emul_controller_secure_element_open(net_nfc_secure_element_type_e element_type,
 286         net_nfc_target_handle_s **handle, net_nfc_error_e *result);
 287 static bool net_nfc_emul_controller_secure_element_get_atr(net_nfc_target_handle_s *handle,
 288     data_s **atr, net_nfc_error_e *result);
 289 static bool net_nfc_emul_controller_secure_element_send_apdu(net_nfc_target_handle_s *handle,
 290         data_s *command, data_s **response, net_nfc_error_e *result);
 291 static bool net_nfc_emul_controller_secure_element_close(net_nfc_target_handle_s *handle,
 292             net_nfc_error_e *result);
 293
 294
 295 /***************************    INTERFACE END   ***************************************/
 296
 297
 298
 299 /***************************    ETC Function    ***************************************/
 300
 301 /* Memory utils */
 302 /* free memory, after free given memory it set NULL. Before proceed free, this function also check NULL */
 303 void __nfc_emul_util_free_mem(void** mem, char * filename, unsigned int line);
 304 /* allocation memory */
 305 void __nfc_emul_util_alloc_mem(void** mem, int size, char * filename, unsigned int line);
 306 #define  _nfc_emul_util_alloc_mem(mem,size) __nfc_emul_util_alloc_mem((void **)&mem,size,__FILE__, __LINE__)
 307 #define  _nfc_emul_util_free_mem(mem) __nfc_emul_util_free_mem((void **)&mem,__FILE__, __LINE__)
 308
 309
 310 static bool __net_nfc_is_valide_target_handle (net_nfc_target_handle_s * handle);
 311 static void __net_nfc_make_valid_target_handle (net_nfc_target_handle_s ** handle);
 312 static void __net_nfc_make_invalid_target_handle ();
 313
 314 /***************************    STATIC FUNCTION DECLARE END             ***************************************/
 315
 316
 317
 318 void __nfc_emul_util_free_mem (void** mem, char * filename, unsigned int line)
 319 {
 320         if (mem == NULL || *mem == NULL)
 321         {
 322                 LOGE ("FILE: %s, LINE:%d, Invalid parameter in mem free util (pinter is NULL)", filename, line);
 323                 return;
 324         }
 325         free(*mem);
 326         *mem = NULL;
 327 }
 328
 329 void __nfc_emul_util_alloc_mem(void** mem, int size, char * filename, unsigned int line)
 330 {
 331         if (mem == NULL || size <= 0)
 332         {
 333                 LOGE ("FILE: %s, LINE:%d, Invalid parameter in mem alloc util", filename, line);
 334                 return;
 335         }
 336
 337         DEBUG_MSG("size to malloc() = [%d]", size);
 338
 339         if (*mem != NULL)
 340         {
 341                 LOGE("FILE: %s, LINE:%d, WARNING: Pointer is already allocated or it was not initialized with NULL", filename, line);
 342         }
 343
 344         *mem = malloc (size);
 345
 346         if (*mem != NULL)
 347         {
 348                 memset (*mem, 0x0, size);
 349         }
 350         else
 351         {
 352                 LOGE("FILE: %s, LINE:%d, Allocation is failed", filename, line);
 353         }
 354 }
 355
 356 static bool __net_nfc_is_valide_target_handle (net_nfc_target_handle_s * handle)
 357 {
 358         bool result = (current_working_handle == handle);
 359         if (!result){
 360                 DEBUG_MSG ("[WARNING]: INVALID HANDLE IS DETECTED!");
 361         }
 362         return result;
 363 }
 364 static void __net_nfc_make_valid_target_handle (net_nfc_target_handle_s ** handle)
 365 {
 366         if (current_working_handle != NULL){
 367                 DEBUG_MSG ("[WARNING]: HANDLE WAS ALLOCATED ALREADY!");
 368         }
 369         _nfc_emul_util_alloc_mem (*handle, sizeof (net_nfc_target_handle_s));
 370         if (*handle != NULL) {
 371                 current_working_handle = *handle;
 372         }
 373 }
 374 static void __net_nfc_make_invalid_target_handle ()
 375 {
 376         if (current_working_handle != NULL) {
 377                 _nfc_emul_util_free_mem (current_working_handle);
 378                 current_working_handle = NULL;
 379         }
 380 }
 381
 382 static socket_info_s * _net_nfc_get_available_socket_slot ()
 383 {
 384         int idx = 0;
 385         for (; idx < LLCP_NB_SOCKET_MAX; idx++)
 386         {
 387                 if (socket_info_array [idx].isValid == false)
 388                 {
 389                         memset (&(socket_info_array[idx]), 0x00, sizeof (socket_info_s));
 390                         socket_info_array [idx].isValid = true;
 391                         return &(socket_info_array[idx]);
 392                 }
 393         }
 394
 395         DEBUG_ERR_MSG("_net_nfc_get_available_socket_slot is failed");
 396         return NULL;
 397 }
 398
 399 static void _net_nfc_remove_socket_slot (net_nfc_llcp_socket_t socket)
 400 {
 401         int idx = 0;
 402
 403         for (; idx < LLCP_NB_SOCKET_MAX; idx++)
 404         {
 405                 if (socket_info_array [idx].isValid == true &&
 406                         socket_info_array [idx].socket_handle == socket)
 407                 {
 408                         socket_info_array [idx].isValid = false;
 409                         socket_info_array [idx].socket_handle = 0;
 410                         socket_info_array [idx].user_context= NULL;
 411                 }
 412         }
 413 }
 414
 415 static socket_info_s * _net_nfc_find_server_socket (net_nfc_llcp_socket_t socket)
 416 {
 417         int idx = 0;
 418         for (; idx < LLCP_NB_SOCKET_MAX; idx++)
 419         {
 420                 if (socket_info_array [idx].socket_handle == socket && socket_info_array [idx].isValid == true)
 421                 {
 422                         return &(socket_info_array[idx]);
 423                 }
 424         }
 425
 426         DEBUG_ERR_MSG("_net_nfc_find_server_socket is failed");
 427         return NULL;
 428 }
 429
 430 ////////////// INTERFACE START //////////
 431
 432 NET_NFC_EXPORT_API bool onload(net_nfc_oem_interface_s* emul_interfaces)
 433 {
 434         DEBUG_EMUL_BEGIN();
 435
 436         emul_interfaces->init = net_nfc_emul_controller_init;
 437         emul_interfaces->deinit = net_nfc_emul_controller_deinit;
 438         emul_interfaces->register_listener = net_nfc_emul_controller_register_listener;
 439         emul_interfaces->unregister_listener = net_nfc_emul_controller_unregister_listener;
 440         emul_interfaces->get_firmware_version = net_nfc_emul_controller_get_firmware_version;
 441         emul_interfaces->check_firmware_version = net_nfc_emul_controller_check_firmware_version;
 442         emul_interfaces->update_firmeware = net_nfc_emul_controller_update_firmware;
 443         emul_interfaces->get_stack_information = net_nfc_emul_controller_get_stack_information;
 444         emul_interfaces->configure_discovery = net_nfc_emul_controller_configure_discovery;
 445         emul_interfaces->get_secure_element_list = net_nfc_emul_controller_get_secure_element_list;
 446         emul_interfaces->set_secure_element_mode = net_nfc_emul_controller_set_secure_element_mode;
 447         emul_interfaces->connect = net_nfc_emul_controller_connect;
 448         emul_interfaces->disconnect = net_nfc_emul_controller_disconnect;
 449         emul_interfaces->check_ndef = net_nfc_emul_controller_check_ndef;
 450         emul_interfaces->check_presence = net_nfc_emul_controller_check_target_presence;
 451         emul_interfaces->read_ndef = net_nfc_emul_controller_read_ndef;
 452         emul_interfaces->write_ndef = net_nfc_emul_controller_write_ndef;
 453         emul_interfaces->make_read_only_ndef = net_nfc_emul_controller_make_read_only_ndef;
 454         emul_interfaces->transceive = net_nfc_emul_controller_transceive;
 455         emul_interfaces->format_ndef = net_nfc_emul_controller_format_ndef;
 456         emul_interfaces->exception_handler = net_nfc_emul_controller_exception_handler;
 457         emul_interfaces->is_ready = net_nfc_emul_controller_is_ready;
 458
 459         emul_interfaces->config_llcp = net_nfc_emul_controller_llcp_config;
 460         emul_interfaces->check_llcp_status = net_nfc_emul_controller_llcp_check_llcp;
 461         emul_interfaces->activate_llcp = net_nfc_emul_controller_llcp_activate_llcp;
 462         emul_interfaces->create_llcp_socket = net_nfc_emul_controller_llcp_create_socket;
 463         emul_interfaces->bind_llcp_socket = net_nfc_emul_controller_llcp_bind;
 464         emul_interfaces->listen_llcp_socket = net_nfc_emul_controller_llcp_listen;
 465         emul_interfaces->accept_llcp_socket = net_nfc_emul_controller_llcp_accept;
 466         emul_interfaces->connect_llcp_by_url = net_nfc_emul_controller_llcp_connect_by_url;
 467         emul_interfaces->connect_llcp = net_nfc_emul_controller_llcp_connect;
 468         emul_interfaces->disconnect_llcp = net_nfc_emul_controller_llcp_disconnect;
 469         emul_interfaces->close_llcp_socket = net_nfc_emul_controller_llcp_socket_close;
 470         emul_interfaces->recv_llcp = net_nfc_emul_controller_llcp_recv;
 471         emul_interfaces->send_llcp = net_nfc_emul_controller_llcp_send;
 472         emul_interfaces->recv_from_llcp = net_nfc_emul_controller_llcp_recv_from;
 473         emul_interfaces->send_to_llcp = net_nfc_emul_controller_llcp_send_to;
 474         emul_interfaces->reject_llcp = net_nfc_emul_controller_llcp_reject;
 475         emul_interfaces->get_remote_config = net_nfc_emul_controller_llcp_get_remote_config;
 476         emul_interfaces->get_remote_socket_info = net_nfc_emul_controller_llcp_get_remote_socket_info;
 477
 478         emul_interfaces->support_nfc = net_nfc_emul_controller_support_nfc;
 479
 480         emul_interfaces->secure_element_open = net_nfc_emul_controller_secure_element_open;
 481         emul_interfaces->secure_element_get_atr = net_nfc_emul_controller_secure_element_get_atr;
 482         emul_interfaces->secure_element_send_apdu = net_nfc_emul_controller_secure_element_send_apdu;
 483         emul_interfaces->secure_element_close = net_nfc_emul_controller_secure_element_close;
 484
 485         emul_interfaces->hce_response_apdu = NULL;
 486         emul_interfaces->route_aid = NULL;
 487         emul_interfaces->unroute_aid = NULL;
 488         emul_interfaces->commit_routing = NULL;
 489         emul_interfaces->set_default_route = NULL;
 490         emul_interfaces->clear_aid_table = NULL;
 491         emul_interfaces->get_aid_tablesize = NULL;
 492
 493         DEBUG_EMUL_END();
 494
 495         return true;
 496 }
 497
 498 static void _net_nfc_initialize_llcp(void)
 499 {
 500         DEBUG_EMUL_BEGIN();
 501
 502         if(Snep_Server_msg == NULL)
 503         {
 504                 Snep_Server_msg = (snep_msg_s *)calloc(1, sizeof(snep_msg_s));
 505                 Snep_Server_msg->data = (data_s *)calloc(1, sizeof(data_s));
 506                 Snep_Server_msg->data->buffer = (uint8_t *)calloc(1, sizeof(uint8_t) * BUFFER_LENGTH_MAX);
 507         }
 508
 509         DEBUG_EMUL_END();
 510 }
 511
 512 static void _net_nfc_deinitialize_llcp(void)
 513 {
 514         DEBUG_EMUL_BEGIN();
 515
 516         if (Snep_Server_msg != NULL)
 517         {
 518                 if (Snep_Server_msg->data != NULL)
 519                 {
 520
 521                         if (Snep_Server_msg->data->buffer != NULL)
 522                         {
 523                                 free(Snep_Server_msg->data->buffer);
 524                                 Snep_Server_msg->data->buffer = NULL;
 525                         }
 526
 527                         free(Snep_Server_msg->data);
 528                         Snep_Server_msg->data = NULL;
 529                 }
 530
 531                 free(Snep_Server_msg);
 532                 Snep_Server_msg = NULL;
 533         }
 534
 535         llcp_server_data = NULL;
 536
 537         DEBUG_EMUL_END();
 538 }
 539
 540 static bool _net_nfc_emul_get_is_tag_attached(void)
 541 {
 542         return g_tag_attached;
 543 }
 544
 545 static void _net_nfc_emul_set_is_tag_attached(bool is_detached)
 546 {
 547         g_tag_attached = is_detached;
 548         DEBUG_MSG("set g_tag_attached [%d]", g_tag_attached);
 549 }
 550
 551 static bool _net_nfc_emul_get_is_p2p_attached(void)
 552 {
 553         return g_p2p_attached;
 554 }
 555
 556 static void _net_nfc_emul_set_is_p2p_attached(bool is_detached)
 557 {
 558         g_p2p_attached = is_detached;
 559         DEBUG_MSG("set g_p2p_attached [%d]", g_p2p_attached);
 560 }
 561
 562 static bool _net_nfc_is_data_emulMsgData(emul_message_id messageId)
 563 {
 564         DEBUG_EMUL_BEGIN();
 565
 566         bool retval = false;
 567
 568         switch (messageId) {
 569                 case EMUL_NFC_TAG_DISCOVERED :{
 570                         retval = true;
 571                 }
 572                 break;
 573
 574                 case EMUL_NFC_P2P_SEND :{
 575                         retval = true;
 576                 }
 577                 break;
 578
 579                 case EMUL_NFC_TAG_DETACHED :
 580                 case EMUL_NFC_P2P_DISCOVERED :
 581                 case EMUL_NFC_P2P_DETACHED :
 582                 default :
 583                 break;
 584
 585         }
 586
 587         DEBUG_MSG("retval [%d]", retval);
 588
 589         DEBUG_EMUL_END();
 590
 591         return retval;
 592 }
 593
 594 static net_nfc_record_tnf_e _net_nfc_get_tnf_type(int name_format)
 595 {
 596         DEBUG_EMUL_BEGIN();
 597
 598         net_nfc_record_tnf_e tnf = NET_NFC_RECORD_EMPTY;
 599
 600         switch (name_format) {
 601                 case EMUL_NDEF_TNF_EMPTY :
 602                         tnf = NET_NFC_RECORD_EMPTY;
 603                 break;
 604
 605                 case EMUL_NDEF_TNF_WELL_KNOWN :
 606                         tnf = NET_NFC_RECORD_WELL_KNOWN_TYPE;
 607                 break;
 608
 609                 case EMUL_NDEF_TNF_MIME_MEDIA :
 610                         tnf = NET_NFC_RECORD_MIME_TYPE;
 611                 break;
 612
 613                 case EMUL_NDEF_TNF_ABSOLUTE_URI :
 614                         tnf = NET_NFC_RECORD_URI;
 615                 break;
 616
 617                 case EMUL_NDEF_TNF_EXTERNAL :
 618                         tnf = NET_NFC_RECORD_EXTERNAL_RTD;
 619                 break;
 620
 621                 case EMUL_NDEF_TNF_UNKNOWN :
 622                         tnf = NET_NFC_RECORD_UNKNOWN;
 623                 break;
 624
 625                 default :
 626                         tnf = NET_NFC_RECORD_UNKNOWN;
 627                         DEBUG_MSG("data is currupted");
 628                 break;
 629
 630         }
 631
 632         DEBUG_MSG("tnf [%d]", tnf);
 633
 634         DEBUG_EMUL_END();
 635
 636         return tnf;
 637
 638 }
 639
 640 static int _net_nfc_create_records_from_emulMsg(emulMsg_s *emul_msg, ndef_message_s **ndef_message, int record_count)
 641 {
 642         DEBUG_EMUL_BEGIN();
 643
 644         int index;
 645         int create_record_count = 0;
 646         char emulMsg[BUFFER_LENGTH_MAX] = { 0, };
 647
 648         memcpy(emulMsg, emul_msg->file_data, strlen((char*)emul_msg->file_data));
 649
 650         /* parsing data and create record to record structure */
 651         for (index = 0; index < record_count ; index ++) {
 652                 char *name_format;
 653                 char *type_name;
 654                 char *record_id;
 655                 char *record_payload;
 656
 657                 emulMsg_data_s record = { 0, };
 658                 data_s filePayload;
 659
 660                 /* parse string */
 661                 if (index == 0)
 662                 {
 663                         name_format = strtok((char *) emulMsg, NET_NFC_EMUL_MSG_RECORD_SEPERATOR);
 664                 }
 665                 else
 666                 {
 667                         name_format = strtok(NULL, NET_NFC_EMUL_MSG_RECORD_SEPERATOR);
 668                 }
 669                 type_name = strtok(NULL, NET_NFC_EMUL_MSG_RECORD_SEPERATOR);
 670                 record_id = strtok(NULL, NET_NFC_EMUL_MSG_RECORD_SEPERATOR);
 671                 if (index == record_count-1) {
 672                         /* the last payload : we have to read sentence fully */
 673                         record_payload = strtok(NULL, "\n");
 674                 }
 675                 else {
 676                         record_payload = strtok(NULL, NET_NFC_EMUL_MSG_RECORD_SEPERATOR);
 677                 }
 678
 679                 /* assign data to record structure */
 680                 record.tnf = _net_nfc_get_tnf_type(atoi(name_format));
 681
 682                 DEBUG_MSG("Data : type_name ");
 683
 684                 record.typeName.length = strlen(type_name);
 685                 _nfc_emul_util_alloc_mem(record.typeName.buffer, record.typeName.length);
 686
 687                 if (record.typeName.buffer == NULL) {
 688                         DEBUG_MSG("_nfc_emul_util_alloc_mem failed");
 689                         goto ERROR;
 690                 }
 691                 memcpy(record.typeName.buffer, type_name, record.typeName.length);
 692
 693                 DEBUG_MSG("Data : record_id ");
 694
 695                 record.id.length = strlen(record_id);
 696                 _nfc_emul_util_alloc_mem(record.id.buffer, record.id.length);
 697
 698                 if (record.id.buffer == NULL) {
 699                         DEBUG_MSG("_nfc_emul_util_alloc_mem failed");
 700                         goto ERROR;
 701                 }
 702                 memcpy(record.id.buffer, record_id, record.id.length);
 703
 704                 DEBUG_MSG("Data : record_payload ");
 705
 706                 record.payload.length = strlen(record_payload);
 707                 _nfc_emul_util_alloc_mem(record.payload.buffer, record.payload.length);
 708
 709                 if (record.payload.buffer == NULL) {
 710                         DEBUG_MSG("_nfc_emul_util_alloc_mem failed");
 711                         goto ERROR;
 712                 }
 713                 memcpy(record.payload.buffer, record_payload, record.payload.length);
 714
 715 #ifndef __EMUL_DEBUG__
 716                 DEBUG_ERR_MSG("RECORD DATA START >>>>>>>>>>>>>>>>>>>>>>>>");
 717                 DEBUG_MSG("TNF >>>>[%d]", record.tnf);
 718                 LOGE("type_name >>>>[%s]", type_name);
 719                 LOGE("record_id >>>>[%s]", record_id);
 720                 DEBUG_MSG("record_payload >>>>[%s]", record_payload);
 721                 DEBUG_ERR_MSG("RECORD DATA END >>>>>>>>>>>>>>>>>>>>>>>>");
 722 #endif
 723
 724                 /* create record */
 725                 ndef_record_h new_record = NULL;
 726                 net_nfc_error_e result = NET_NFC_OK;
 727
 728                 if (record.tnf == NET_NFC_RECORD_EMPTY) {
 729                         if((result = net_nfc_util_create_record(NET_NFC_RECORD_EMPTY, &record.typeName, &record.id, &record.payload, (ndef_record_s **) &new_record)) != NET_NFC_OK) {
 730                                 DEBUG_MSG("net_nfc_create_record failed[%d]", result);
 731                                 goto ERROR;;
 732                         }
 733                 }
 734                 else if (record.tnf == NET_NFC_RECORD_UNKNOWN) {
 735                         if((result = net_nfc_util_create_record(NET_NFC_RECORD_UNKNOWN, &record.typeName, &record.id, &record.payload, (ndef_record_s **) &new_record)) != NET_NFC_OK) {
 736                                 DEBUG_MSG("net_nfc_create_record failed[%d]", result);
 737                                 goto ERROR;;
 738                         }
 739                 }
 740                 else if ((record.tnf == NET_NFC_RECORD_WELL_KNOWN_TYPE)) {
 741                         if (!strncmp((char *)record.typeName.buffer, "U", 1)) {
 742                                 DEBUG_MSG("URI Type ");
 743
 744                                 data_s payload_data = { NULL, 0 };
 745
 746                                 if (record.payload.buffer != NULL )
 747                                 {
 748                                         payload_data.length = strlen((char *)record_payload) + 1;
 749
 750                                         _nfc_emul_util_alloc_mem(payload_data.buffer, payload_data.length);
 751                                         if (payload_data.buffer == NULL)
 752                                         {
 753                                                 DEBUG_MSG("_nfc_emul_util_alloc_mem failed");
 754                                                 goto ERROR;
 755                                         }
 756
 757                                         payload_data.buffer[0] = NET_NFC_SCHEMA_FULL_URI;       /* first byte of payload is protocol scheme */
 758                                         memcpy(payload_data.buffer + 1, record.payload.buffer, payload_data.length - 1);
 759                                 }
 760
 761                                 if (net_nfc_util_create_record(record.tnf, &record.typeName, &record.id, &payload_data, (ndef_record_s**) &new_record) != NET_NFC_OK){
 762                                         DEBUG_ERR_MSG("net_nfc_util_create_record is failed");
 763                                         goto ERROR;
 764                                 }
 765
 766                                 if (payload_data.buffer != NULL )
 767                                         _nfc_emul_util_free_mem(payload_data.buffer);
 768                         }
 769                         else if (!strncmp((char *)record.typeName.buffer, "T", 1)) {
 770                                 DEBUG_MSG("TEXT Type ");
 771
 772                                 data_s payload_data = { NULL, 0 };
 773                                 int offset = 0;
 774                                 int controll_byte;
 775
 776                                 if (record.payload.buffer != NULL )
 777                                 {
 778                                         payload_data.length = strlen((char *)record_payload) + strlen("en-US") + 1;
 779
 780                                         _nfc_emul_util_alloc_mem(payload_data.buffer, payload_data.length);
 781                                         if (payload_data.buffer == NULL)
 782                                         {
 783                                                 DEBUG_MSG("_nfc_emul_util_alloc_mem failed");
 784                                                 goto ERROR;
 785                                         }
 786
 787                                         controll_byte = strlen("en-US") & 0x3F;
 788
 789                                         payload_data.buffer[0] = controll_byte;
 790
 791                                         offset = 1;
 792                                         memcpy(payload_data.buffer + offset, "en-US", strlen("en-US"));
 793
 794                                         offset = offset + strlen("en-US");
 795                                         memcpy(payload_data.buffer + offset, record.payload.buffer, strlen(record_payload));
 796
 797                                 }
 798
 799                                 if (net_nfc_util_create_record(record.tnf, &record.typeName, &record.id, &payload_data, (ndef_record_s**) &new_record) != NET_NFC_OK){
 800                                         DEBUG_ERR_MSG("net_nfc_util_create_record is failed");
 801                                         goto ERROR;
 802                                 }
 803
 804                                 if (payload_data.buffer != NULL )
 805                                         _nfc_emul_util_free_mem(payload_data.buffer);
 806                         }
 807                         else {
 808                                 DEBUG_ERR_MSG("NET_NFC_RECORD_WELL_KNOWN_TYPE >> typeName is wrong");
 809                                 goto ERROR;
 810                         }
 811                 }
 812                 else if ((record.tnf == NET_NFC_RECORD_MIME_TYPE)) {
 813
 814                         FILE *file = NULL;
 815
 816                         /* open file : size limit? 10k? */
 817                         file = fopen(record_payload, "r");
 818                         if (file != NULL) {
 819                                 long int file_len = 0, read_count = 0, read_total = 0;
 820                                 uint8_t *file_data = NULL;
 821
 822                                 fseek(file, 0, SEEK_END);
 823                                 file_len = ftell(file);
 824                                 fseek(file, 0, SEEK_SET);
 825
 826                                 _nfc_emul_util_alloc_mem(file_data, file_len);
 827
 828                                 if (file_data == NULL)
 829                                 {
 830                                         DEBUG_MSG("_nfc_emul_util_alloc_mem failed");
 831                                         fclose(file);
 832                                         goto ERROR;
 833                                 }
 834
 835                                 /* create payload */
 836                                 do
 837                                 {
 838                                         read_count = fread(file_data + read_total, 1, file_len - read_total, file);
 839                                         read_total += read_count;
 840                                 }
 841                                 while (read_count != 0 && read_total < file_len);
 842
 843                                 fclose(file);
 844
 845                                 DEBUG_MSG("fread(%s) success, size %ld", record.payload.buffer, file_len);
 846
 847                                 filePayload.length= file_len;
 848                                 _nfc_emul_util_alloc_mem(filePayload.buffer, filePayload.length);
 849
 850                                 if (filePayload.buffer == NULL) {
 851                                         DEBUG_MSG("_nfc_emul_util_alloc_mem failed");
 852                                         _nfc_emul_util_free_mem(file_data);
 853                                         goto ERROR;
 854                                 }
 855                                 memcpy(filePayload.buffer, file_data, filePayload.length);
 856
 857                                 _nfc_emul_util_free_mem(file_data);
 858
 859                                 /* set id */
 860                                 if (record.id.buffer == NULL) {
 861                                         char *file_name = NULL;
 862
 863                                         file_name = strrchr(record_payload, '/');
 864                                         if (file_name == NULL) {
 865                                                 file_name = (char *) record_payload;
 866                                         }
 867                                         else {
 868                                                 file_name++;
 869                                         }
 870
 871                                         record.id.length = strlen(file_name);
 872                                         _nfc_emul_util_alloc_mem(record.id.buffer, record.id.length);
 873
 874                                         if (record.id.buffer == NULL) {
 875                                                 DEBUG_MSG("_nfc_emul_util_alloc_mem failed");
 876                                                 _nfc_emul_util_free_mem(filePayload.buffer);
 877                                                 goto ERROR;
 878                                         }
 879                                         memcpy(record.id.buffer, file_name, record.id.length);
 880                                 }
 881                         }
 882                         else {
 883                                 DEBUG_MSG("file open error");
 884                                 goto ERROR;;
 885                         }
 886
 887                         /* create record */
 888                         if((result = net_nfc_util_create_record(record.tnf, &record.typeName, &record.id, &filePayload, (ndef_record_s **) &new_record)) != NET_NFC_OK) {
 889                                 DEBUG_MSG("net_nfc_create_record failed[%d]", result);
 890                                 goto ERROR;;
 891                         }
 892                 }
 893                 else {
 894                         /* NET_NFC_RECORD_URI or NET_NFC_RECORD_EXTERNAL_RTD */
 895                         if((result = net_nfc_util_create_record(record.tnf, &record.typeName, &record.id, &record.payload, (ndef_record_s **) &new_record)) != NET_NFC_OK) {
 896                                 DEBUG_MSG("net_nfc_create_record failed[%d]", result);
 897                                 goto ERROR;;
 898                         }
 899                 }
 900
 901                 /* append record to ndef msg */
 902                 if((result = net_nfc_util_append_record((ndef_message_s*) *ndef_message, (ndef_record_s *) new_record)) != NET_NFC_OK){
 903                         DEBUG_MSG("net_nfc_util_append_record failed[%d]", result);
 904                         goto ERROR;;
 905                 }
 906
 907                 create_record_count++;
 908                 DEBUG_MSG("Create Record Sucess. Create Record Count[%d]", create_record_count);
 909 ERROR :
 910                 /* To Do : memory issue */
 911 #if 0
 912                 /* free data */
 913                 if (record.typeName.buffer != NULL) {
 914                         _nfc_emul_util_free_mem(record.typeName.buffer);
 915                 }
 916                 if (record.id.buffer != NULL) {
 917                         _nfc_emul_util_free_mem(record.id.buffer);
 918                 }
 919                 if (record.payload.buffer != NULL) {
 920                         _nfc_emul_util_free_mem(record.payload.buffer);
 921                 }
 922                 if(filePayload.buffer != NULL) {
 923                         _nfc_emul_util_free_mem(filePayload.buffer);
 924                 }
 925 #endif
 926                 DEBUG_MSG("Create Record Loop End");
 927
 928         }
 929
 930         DEBUG_EMUL_END();
 931
 932         return create_record_count;
 933 }
 934
 935 static bool _net_nfc_change_file_owner_permission(FILE *file)
 936 {
 937         char *buffer = NULL;
 938         size_t buffer_len = 0;
 939         struct passwd pwd = { 0, };
 940         struct passwd *pw_inhouse = NULL;
 941         struct group grp = { 0, };
 942         struct group *gr_inhouse = NULL;
 943
 944         if (file == NULL)
 945                 return false;
 946
 947         /* change permission */
 948         fchmod(fileno(file), 0777);
 949
 950         /* change owner */
 951         /* get passwd id */
 952         buffer_len = sysconf(_SC_GETPW_R_SIZE_MAX);
 953         if (buffer_len == -1)
 954         {
 955                 buffer_len = 16384;
 956         }
 957
 958         _net_nfc_util_alloc_mem(buffer, buffer_len);
 959         if (buffer == NULL)
 960                 return false;
 961
 962         getpwnam_r("inhouse", &pwd, buffer, buffer_len, &pw_inhouse);
 963         _net_nfc_util_free_mem(buffer);
 964
 965         /* get group id */
 966         buffer_len = sysconf(_SC_GETGR_R_SIZE_MAX);
 967         if (buffer_len == -1)
 968         {
 969                 buffer_len = 16384;
 970         }
 971
 972         _net_nfc_util_alloc_mem(buffer, buffer_len);
 973         if (buffer == NULL)
 974                 return false;
 975
 976         getgrnam_r("inhouse", &grp, buffer, buffer_len, &gr_inhouse);
 977         _net_nfc_util_free_mem(buffer);
 978
 979         if ((pw_inhouse != NULL) && (gr_inhouse != NULL))
 980         {
 981                 if (fchown(fileno(file), pw_inhouse->pw_uid, gr_inhouse->gr_gid) < 0)
 982                 {
 983                         DEBUG_MSG("failed to change owner");
 984                 }
 985         }
 986
 987         return true;
 988 }
 989
 990 static void _net_nfc_store_ndef_message(data_s *data)
 991 {
 992         char file_name[1024] = { 0, };
 993         FILE *fp = NULL;
 994
 995         if (data == NULL)
 996         {
 997                 return;
 998         }
 999
1000         /* create file */
1001         snprintf(file_name, sizeof(file_name), "%s/%s/%s", "/opt/usr/share/nfc-manager-daemon",
1002                 "message", "emul-ndef-message.txt");
1003
1004         unlink(file_name);
1005
1006         if ((fp = fopen(file_name, "w")) != NULL)
1007         {
1008                 int length = 0;
1009
1010                 if ((length = fwrite(data->buffer, 1, data->length, fp)) > 0)
1011                 {
1012                         DEBUG_MSG("[%d] bytes is written", length);
1013
1014                         _net_nfc_change_file_owner_permission(fp);
1015                         fflush(fp);
1016                         fsync(fileno(fp));
1017                 }
1018                 else
1019                 {
1020                         DEBUG_MSG("write is failed = [%d]", data->length);
1021                 }
1022
1023                 fclose(fp);
1024         }
1025 }
1026
1027 static net_nfc_error_e _net_nfc_retrieve_ndef_message(data_s *data)
1028 {
1029         char file_name[1024] = { 0, };
1030         FILE *fp = NULL;
1031         net_nfc_error_e result = NET_NFC_OK;
1032
1033         if (data == NULL)
1034         {
1035                 return NET_NFC_NULL_PARAMETER;
1036         }
1037
1038         /* retreive file */
1039         snprintf(file_name, sizeof(file_name), "%s/%s/%s", "/opt/usr/share/nfc-manager-daemon",
1040                 "message", "emul-ndef-message.txt");
1041
1042         if ((fp = fopen(file_name, "r")) != NULL)
1043         {
1044                 long int size = 0;
1045
1046                 /* rewind to start of file */
1047                 fseek(fp, 0, SEEK_END);
1048                 size = ftell(fp);
1049                 fseek(fp, 0, SEEK_SET);
1050
1051                 DEBUG_MSG("message length = [%ld]", size);
1052
1053                 if (size > 0)
1054                 {
1055                         if (net_nfc_util_init_data(data, size) == true)
1056                         {
1057                                 int current;
1058                                 size_t offset = 0;
1059
1060                                 /* read fully */
1061                                 do {
1062                                         current = fread(data->buffer + offset, 1,
1063                                                 data->length - offset, fp);
1064                                         if (current > 0)
1065                                                 offset += current;
1066                                         else
1067                                                 break;
1068                                 } while (offset < data->length);
1069
1070                                 if (offset == data->length) {
1071                                         result = NET_NFC_OK;
1072                                 } else {
1073                                         result = NET_NFC_NO_NDEF_MESSAGE;
1074                                 }
1075                         }
1076                         else
1077                         {
1078                                 result = NET_NFC_ALLOC_FAIL;
1079                         }
1080                 }
1081                 else
1082                 {
1083                         result = NET_NFC_OPERATION_FAIL;
1084                 }
1085
1086                 fclose(fp);
1087         }
1088         else
1089         {
1090                 result = NET_NFC_NO_DATA_FOUND;
1091         }
1092
1093         return result;
1094 }
1095
1096 static bool _net_nfc_create_ndef_from_emulMsg(emulMsg_s *emul_msg)
1097 {
1098         DEBUG_EMUL_BEGIN();
1099
1100         if (emul_msg->file_data == NULL) {
1101                 return false;
1102         }
1103
1104         int retval = true;
1105         net_nfc_error_e result = NET_NFC_OK;
1106         data_s rawdata = { NULL, 0 };
1107
1108         int record_count  = emul_msg->record_count;
1109
1110         if(record_count == 0) {
1111                 return false;
1112         }
1113
1114         /* create ndef msg */
1115         ndef_message_h ndef_message = NULL;
1116         int ndef_length = 0;
1117
1118         if((result = net_nfc_util_create_ndef_message ((ndef_message_s **) &ndef_message)) != NET_NFC_OK)
1119         {
1120                 DEBUG_MSG("failed to create ndef message [%d]", result);
1121         }
1122
1123         /* create records and append it to ndef_msg*/
1124         emul_msg->record_count = _net_nfc_create_records_from_emulMsg(emul_msg, (ndef_message_s **) &ndef_message, record_count);
1125
1126         /* convert ndef msg to raw data */
1127         ndef_length = net_nfc_util_get_ndef_message_length ((ndef_message_s *) ndef_message);
1128
1129         if (!ndef_length){
1130                 DEBUG_MSG("ndef_message size is zero!");
1131         }
1132
1133         rawdata.length = ndef_length;
1134         _nfc_emul_util_alloc_mem(rawdata.buffer, ndef_length);
1135
1136         if((result = net_nfc_util_convert_ndef_message_to_rawdata((ndef_message_s*)ndef_message, &rawdata)) != NET_NFC_OK) {
1137                 DEBUG_MSG("net_nfc_util_convert_ndef_message_to_rawdata is failed![%d]", result);
1138
1139         }
1140
1141         _net_nfc_store_ndef_message(&rawdata);
1142
1143         DEBUG_EMUL_END();
1144
1145         return retval;
1146 }
1147
1148 static bool _net_nfc_create_emulMsg(emulMsg_s **emul_msg, uint8_t * data, long int size)
1149 {
1150         DEBUG_EMUL_BEGIN();
1151
1152         char *emulMsgID;
1153         char *emulMsgData;
1154
1155         *emul_msg = (emulMsg_s *)calloc(1, sizeof(emulMsg_s));
1156         if(*emul_msg == NULL)
1157                 return false;
1158
1159         /* emulData => ID : MSG ex) 100:1,1,1,U,samsung,http://www.naver.com */
1160         emulMsgID = strtok((char *)data, NET_NFC_EMUL_MSG_ID_SEPERATOR);
1161         if (emulMsgID != NULL) {
1162                 (*emul_msg)->message_id = (emul_message_id) (atoi(emulMsgID));
1163         }
1164
1165         DEBUG_MSG("emul_msg->message_id >>>>[%d]", (*emul_msg)->message_id);
1166
1167         if (_net_nfc_is_data_emulMsgData((*emul_msg)->message_id)) {
1168
1169                 emulMsgData = strtok(NULL, NET_NFC_EMUL_MSG_DATA_SEPERATOR);
1170                 DEBUG_MSG("emulMsgData >>>>[%s]", emulMsgData);
1171
1172                 switch ((*emul_msg)->message_id) {
1173                         case EMUL_NFC_TAG_DISCOVERED :
1174                         case EMUL_NFC_P2P_SEND :
1175                         {
1176                                 /* get message : Tag Type, Record Count, Records */
1177                                 int target_type = -1;
1178                                 char file_data[BUFFER_LENGTH_MAX]={ 0, };
1179                                 int length =0;
1180
1181                                 sscanf(emulMsgData, NET_NFC_EMUL_TAG_DISCOVERED_DATA_FORMAT, &target_type, &((*emul_msg)->record_count), file_data);
1182
1183                                 (*emul_msg)->target_type = (emul_target_type) target_type;
1184
1185                                 length = strlen(file_data)+1;
1186                                 _nfc_emul_util_alloc_mem((*emul_msg)->file_data, length);
1187                                 memcpy((*emul_msg)->file_data, file_data, length);
1188
1189                                 DEBUG_ERR_MSG("EMUL MESSAGE DATA START >>>>>>>>>>>>>>>>>>>>>>>>");
1190                                 DEBUG_MSG("message_id >>>>[%d]", (*emul_msg)->message_id);
1191                                 DEBUG_MSG("target_type >>>>[%d]", (*emul_msg)->target_type);
1192                                 DEBUG_MSG("record_count >>>>[%d]", (*emul_msg)->record_count);
1193                                 DEBUG_MSG("file_data >>>>[%s]", (char *)(*emul_msg)->file_data);
1194                                 DEBUG_ERR_MSG("EMUL MESSAGE DATA END >>>>>>>>>>>>>>>>>>>>>>>>");
1195
1196                                 if ( !_net_nfc_create_ndef_from_emulMsg((*emul_msg))) {
1197                                         DEBUG_ERR_MSG("read ndef_msg is failed >>>");
1198                                 }
1199
1200                                 DEBUG_ERR_MSG("_net_nfc_create_ndef_from_emulMsg end");
1201                         }
1202                         break;
1203
1204                         default : {
1205                                 /* exception case */
1206                                 DEBUG_ERR_MSG("_net_nfc_set_emulMsg error. Data is currupted");
1207                                 return false;
1208                         }
1209                         break;
1210
1211                 }
1212         }
1213         else {
1214
1215                 switch ((*emul_msg)->message_id) {
1216                         case EMUL_NFC_P2P_DISCOVERED :{
1217                                 (*emul_msg)->target_type = EMUL_NFC_TARGET;
1218                         }
1219                         break;
1220
1221                         case EMUL_NFC_TAG_DETACHED :{
1222                                 DEBUG_MSG("TAG DETACHED");
1223                                 if(!_net_nfc_emul_get_is_tag_attached())
1224                                 {
1225                                         DEBUG_ERR_MSG("tag is not attached!!");
1226                                         return false;
1227                                 }
1228                         }
1229                         break;
1230
1231                         case EMUL_NFC_P2P_DETACHED :{
1232                                 DEBUG_MSG("P2P DETACHED");
1233                                 if(!_net_nfc_emul_get_is_p2p_attached())
1234                                 {
1235                                         DEBUG_ERR_MSG("tag is not attached!!");
1236                                         return false;
1237                                 }
1238                         }
1239
1240                         break;
1241
1242                         default : {
1243                                 /* exception case */
1244                                 DEBUG_ERR_MSG("_net_nfc_set_emulMsg error. Data is currupted");
1245                                 return false;
1246                         }
1247                         break;
1248                 }
1249         }
1250
1251         DEBUG_EMUL_END();
1252
1253         return true;
1254 }
1255
1256 static void _net_nfc_destroy_emulMsg(emulMsg_s *emul_msg)
1257 {
1258         DEBUG_EMUL_BEGIN();
1259
1260         if(emul_msg != NULL && emul_msg->file_data != NULL)
1261         {
1262                 free(emul_msg->file_data);
1263                 free(emul_msg);
1264         }
1265
1266         DEBUG_EMUL_END();
1267 }
1268
1269 static int _net_nfc_emul_convert_target_type(emul_target_type targetType)
1270 {
1271         DEBUG_EMUL_BEGIN();
1272
1273         int covert = 0;
1274
1275         switch (targetType) {
1276                 case EMUL_TAG_TOPAZ_JEWEL :
1277                         covert = NET_NFC_JEWEL_PICC;
1278                 break;
1279
1280                 case EMUL_TAG_MIFARE_UL :
1281                         covert = NET_NFC_MIFARE_ULTRA_PICC;
1282                 break;
1283
1284                 case EMUL_TAG_FELICA :
1285                         covert = NET_NFC_FELICA_PICC;
1286                 break;
1287
1288                 case EMUL_TAG_MIFARE_DESFIRE :
1289                         covert = NET_NFC_MIFARE_DESFIRE_PICC;
1290                 break;
1291
1292                 case EMUL_NFC_TARGET :
1293                         covert = NET_NFC_NFCIP1_TARGET;
1294                 break;
1295
1296                 case EMUL_TARGET_TYPE_MAX :
1297                 default:
1298                         /* exception case */
1299                         DEBUG_ERR_MSG("_net_nfc_emul_convert_target_type error. Target type is unknown");
1300                 break;
1301
1302         }
1303
1304         DEBUG_MSG("covert [%d]", covert);
1305
1306         DEBUG_EMUL_END();
1307
1308         return covert;
1309 }
1310
1311 static void _net_nfc_target_discovered_cb(emulMsg_s *emul_msg)
1312 {
1313         DEBUG_EMUL_BEGIN();
1314
1315         /* make handle */
1316         net_nfc_target_handle_s* handle = NULL;
1317         int length = 0;
1318
1319         __net_nfc_make_valid_target_handle (&handle);
1320         if(handle == NULL) {
1321                 return;
1322         }
1323
1324         /* make msg */
1325         net_nfc_request_target_detected_t* target_detected = NULL;
1326         uint8_t device_info[] = { 0x03, 0x55, 0x49, 0x44, 0x07, 0x04, 0x93, 0xB7, 0xD9, 0x5B, 0x02, 0x80, \
1327                 0x08, 0x41, 0x50, 0x50, 0x5F, 0x44, 0x41, 0x54, 0x41, 0x00, 0x03, 0x53, 0x41, 0x4B, \
1328                 0x01, 0x00, 0x04, 0x41, 0x54, 0x51, 0x41, 0x02, 0x44, 0x00, 0x0D, 0x4D, 0x41, 0x58, \
1329                 0x5F, 0x44, 0x41, 0x54, 0x41, 0x5F, 0x52, 0x41, 0x54, 0x45, 0x01, 0x00, 0x08, 0x46, \
1330                 0x57, 0x49, 0x5F, 0x53, 0x46, 0x47, 0x54, 0x01, 0x03, 0x49, 0x44, 0x6D, 0x07, 0x04, \
1331                 0x93, 0xB7, 0xD9, 0x5B, 0x02, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
1332
1333
1334         length = sizeof(net_nfc_request_target_detected_t) + sizeof(device_info);
1335         _nfc_emul_util_alloc_mem(target_detected, length);
1336         if (target_detected == NULL)
1337         {
1338                 return;
1339         }
1340
1341         target_detected->length = length;
1342         target_detected->request_type = NET_NFC_MESSAGE_SERVICE_STANDALONE_TARGET_DETECTED;
1343         target_detected->handle = handle;
1344
1345         target_detected->devType = _net_nfc_emul_convert_target_type(emul_msg->target_type);
1346         if (!target_detected->devType) {
1347                 DEBUG_MSG("target_detected->devType is unknown");
1348                 _nfc_emul_util_free_mem(target_detected);
1349                 return;
1350         }
1351
1352         target_detected->handle->connection_id = current_connection_id++;
1353
1354         if(target_detected->devType == NET_NFC_NFCIP1_TARGET ){
1355                 DEBUG_MSG("set llcp connection  type. remote device is target");
1356                 handle->connection_type = NET_NFC_P2P_CONNECTION_TARGET;
1357                 _net_nfc_emul_set_is_p2p_attached(true);
1358         }
1359         else if ( target_detected->devType == NET_NFC_NFCIP1_INITIATOR){
1360                 DEBUG_MSG("set llcp connection  type. remote device is initiator");
1361                 handle->connection_type = NET_NFC_P2P_CONNECTION_INITIATOR;
1362                 _net_nfc_emul_set_is_p2p_attached(true);
1363         }
1364         else
1365         {
1366                 DEBUG_MSG("set tag connection");
1367                 handle->connection_type = NET_NFC_TAG_CONNECTION;
1368                 _net_nfc_emul_set_is_tag_attached(true);
1369         }
1370
1371         target_detected->number_of_keys = 7;
1372         target_detected->target_info_values.length = sizeof(device_info);
1373         memcpy(&target_detected->target_info_values.buffer, device_info, target_detected->target_info_values.length);
1374
1375         /* call target_cb */
1376         if(g_emul_controller_target_cb != NULL) {
1377                 DEBUG_MSG("discovered callback is called");
1378                 g_emul_controller_target_cb(target_detected, NULL);
1379         }
1380         DEBUG_EMUL_END();
1381 }
1382
1383 static void _net_nfc_tag_detached_cb(void)
1384 {
1385         DEBUG_EMUL_BEGIN();
1386
1387         _net_nfc_emul_set_is_tag_attached(false);
1388
1389         DEBUG_EMUL_END();
1390 }
1391
1392 static void _net_nfc_target_detached_cb(void)
1393 {
1394         DEBUG_EMUL_BEGIN();
1395
1396         _net_nfc_emul_set_is_p2p_attached(false);
1397
1398         /* For P2P, we send msg to manager */
1399         net_nfc_request_llcp_msg_t *req_msg = NULL;
1400
1401         _nfc_emul_util_alloc_mem(req_msg, sizeof(net_nfc_request_llcp_msg_t));
1402
1403         if (req_msg != NULL) {
1404                 req_msg->length = sizeof(net_nfc_request_llcp_msg_t);
1405                 req_msg->request_type = NET_NFC_MESSAGE_SERVICE_LLCP_DEACTIVATED;
1406
1407                 DEBUG_MSG("deactivated callback is called");
1408                 g_emul_controller_llcp_cb(req_msg, NULL);
1409         }
1410 }
1411
1412 static void _net_nfc_llcp_data_receive_cb(void* pContext)
1413 {
1414         DEBUG_EMUL_BEGIN();
1415
1416         net_nfc_request_llcp_msg_t *req_msg = NULL;
1417
1418         _nfc_emul_util_alloc_mem(req_msg, sizeof(net_nfc_request_llcp_msg_t));
1419
1420         if (req_msg != NULL) {
1421                 req_msg->length = sizeof(net_nfc_request_llcp_msg_t);
1422                 req_msg->request_type = NET_NFC_MESSAGE_SERVICE_LLCP_RECEIVE;
1423                 req_msg->result = NET_NFC_OK;
1424
1425                 DEBUG_MSG("receive callback is called >>");
1426                 g_emul_controller_llcp_cb(req_msg, pContext);
1427         }
1428
1429         DEBUG_EMUL_END();
1430 }
1431
1432 static void _net_nfc_llcp_data_receive_from_cb(void* pContext)
1433 {
1434         DEBUG_EMUL_BEGIN();
1435
1436         net_nfc_request_llcp_msg_t *req_msg = NULL;
1437
1438         _nfc_emul_util_alloc_mem(req_msg, sizeof(net_nfc_request_llcp_msg_t));
1439
1440         if (req_msg != NULL){
1441                 req_msg->length = sizeof(net_nfc_request_llcp_msg_t);
1442                 req_msg->request_type = NET_NFC_MESSAGE_SERVICE_LLCP_RECEIVE_FROM;
1443                 req_msg->result = NET_NFC_OK;
1444
1445                 DEBUG_MSG("receive_from callback is called >>");
1446                 g_emul_controller_llcp_cb(req_msg, pContext);
1447         }
1448
1449         DEBUG_EMUL_END();
1450 }
1451
1452 static void _net_nfc_llcp_create_snep_server_msg(snep_command_field_e resp_field)
1453 {
1454         DEBUG_EMUL_BEGIN();
1455
1456         uint8_t* temp = Snep_Server_msg->data->buffer;
1457         uint8_t response = (uint8_t)resp_field;
1458         uint8_t version = 0;
1459         uint32_t length_field = 0;
1460         data_s rawdata = { NULL, 0 };
1461
1462         version = SNEP_MAJOR_VER;
1463         version = (((version << 4) & 0xf0) | (SNEP_MINOR_VER & 0x0f));
1464
1465         _net_nfc_retrieve_ndef_message(&rawdata);
1466
1467                                                                                         /* version              response                     length                      payload*/
1468         Snep_Server_msg->data->length = sizeof(uint8_t) + sizeof(uint8_t) + sizeof(uint32_t) + rawdata.length;
1469
1470         /* copy version */
1471         *temp = version;
1472         temp++;
1473
1474         /* copy response */
1475         *temp = response;
1476         temp++;
1477
1478         length_field = htonl(rawdata.length);
1479
1480         /* length will be se 0. so we don't need to copy value */
1481         memcpy(temp, &length_field, sizeof(uint32_t));
1482         temp += sizeof(uint32_t);
1483
1484         /* copy ndef information to response msg */
1485         if(rawdata.length > 0)
1486                 memcpy(temp, rawdata.buffer, rawdata.length);
1487
1488         DEBUG_EMUL_END();
1489 }
1490
1491 static llcp_state_e _net_nfc_get_llcp_state(void* pContext)
1492 {
1493         DEBUG_EMUL_BEGIN();
1494         llcp_state_e state;
1495
1496         state = NET_NFC_STATE_EXCHANGER_SERVER;
1497
1498         DEBUG_EMUL_END();
1499
1500         return state;
1501 }
1502
1503 static bool _net_nfc_make_llcp_data(emulMsg_s *emul_msg)
1504 {
1505         DEBUG_EMUL_BEGIN();
1506         data_s rawdata = { NULL, 0 };
1507
1508         _net_nfc_retrieve_ndef_message(&rawdata);
1509
1510         if (emul_msg->record_count == 0 || rawdata.length == 0)
1511         {
1512                 DEBUG_ERR_MSG("data is zero >>>");
1513                 return false;
1514         }
1515
1516         /* For SNEP, we should create snep msg, and then copy it to llcp_server_data */
1517         _net_nfc_llcp_create_snep_server_msg(SNEP_REQ_PUT);
1518
1519         /* copy rawdata to llcp_server_data->buffer */
1520         if (Snep_Server_msg->data->length <= SNEP_MAX_BUFFER) {
1521                 DEBUG_MSG("The snep msg size is small than SNEP_MAX_BUFFER >>>");
1522
1523                 if (llcp_server_data == NULL)
1524                         return false;
1525
1526                 llcp_server_data->length = Snep_Server_msg->data->length;
1527                 memcpy(llcp_server_data->buffer, Snep_Server_msg->data->buffer, Snep_Server_msg->data->length);
1528         }
1529         else {
1530                 DEBUG_MSG("send first segment >>>");
1531
1532                 if (llcp_server_data == NULL) {
1533                         return false;
1534                 }
1535
1536                 llcp_server_data->length = SNEP_MAX_BUFFER;
1537                 memcpy(llcp_server_data->buffer, Snep_Server_msg->data->buffer, SNEP_MAX_BUFFER);
1538
1539                 Snep_Server_msg->isSegment = true;
1540                 Snep_Server_msg->offset = SNEP_MAX_BUFFER;
1541         }
1542
1543         DEBUG_EMUL_END();
1544
1545         return true;
1546 }
1547
1548 static void _net_nfc_send_emulMsg_to_nfc_manager(emulMsg_s *emul_msg)
1549 {
1550         DEBUG_EMUL_BEGIN();
1551
1552         switch (emul_msg->message_id) {
1553                 case EMUL_NFC_TAG_DISCOVERED :{
1554                         _net_nfc_target_discovered_cb(emul_msg);
1555                 }
1556                 break;
1557
1558                 case EMUL_NFC_TAG_DETACHED :{
1559                         _net_nfc_tag_detached_cb();
1560                 }
1561                 break;
1562
1563                 case EMUL_NFC_P2P_DISCOVERED : {
1564                         _net_nfc_initialize_llcp();
1565                         _net_nfc_target_discovered_cb(emul_msg);
1566                 }
1567                 break;
1568
1569                 case EMUL_NFC_P2P_SEND : {
1570                         if(!_net_nfc_emul_get_is_p2p_attached())
1571                         {
1572                                 DEBUG_ERR_MSG("target is not attached!!");
1573                                 return;
1574                         }
1575
1576                         if(_net_nfc_make_llcp_data(emul_msg)) {
1577
1578                                 /* find snep server*/
1579                                 socket_info_s *socket_info = _net_nfc_find_server_socket(NET_NFC_EMUL_SNEP_SERVER_SOCKET_NUMBER);
1580                                 if (socket_info == NULL) {
1581                                         DEBUG_ERR_MSG ("socket_info is NULL");
1582                                         return;
1583                                 }
1584
1585                                 _net_nfc_llcp_data_receive_cb(socket_info->user_context); /* call callback */
1586                         }
1587                         else {
1588                                 DEBUG_ERR_MSG("make_p2p_data is fail!!");
1589                                 return;
1590                         }
1591                 }
1592                 break;
1593
1594                 case EMUL_NFC_P2P_DETACHED : {
1595                         if(!_net_nfc_emul_get_is_p2p_attached())
1596                         {
1597                                 DEBUG_ERR_MSG("target is not attached!!");
1598                                 return;
1599                         }
1600
1601                         _net_nfc_target_detached_cb();
1602                         _net_nfc_deinitialize_llcp();
1603                 }
1604                 break;
1605
1606                 default :
1607                         DEBUG_ERR_MSG("message_id is wrong!!");
1608                 break;
1609         }
1610
1611         DEBUG_EMUL_END();
1612 }
1613
1614 static void _net_nfc_process_emulMsg(uint8_t * data, long int size)
1615 {
1616         DEBUG_EMUL_BEGIN();
1617
1618         emulMsg_s *emul_msg = NULL;
1619
1620         /* create emul_msg */
1621         _net_nfc_create_emulMsg(&emul_msg, data, size);
1622
1623         DEBUG_MSG("emul_msg->message_id >>>>[%d]", emul_msg->message_id);
1624
1625         /* processing emul_msg */
1626         _net_nfc_send_emulMsg_to_nfc_manager(emul_msg);
1627
1628         /* destroy emul_msg */
1629         _net_nfc_destroy_emulMsg(emul_msg);
1630
1631         DEBUG_EMUL_END();
1632 }
1633
1634 #ifdef __USE_EPOLL_FOR_FILE__
1635 static void emul_ReaderThread(void * pArg)
1636 {
1637         DEBUG_MSG("emul_ReaderThread START >>>>");
1638
1639         char file_name[1024] = { 0, };
1640         bool condition = true;
1641
1642         int emulMsg_file_fd = -1;
1643         int emulMsg_poll_fd = -1;
1644         struct epoll_event *emulMsg_poll_events = NULL;
1645
1646         /* make file name */
1647         snprintf(file_name, sizeof(file_name), "%s/%s", NET_NFC_EMUL_DATA_PATH, NET_NFC_EMUL_MESSAGE_FILE_NAME );
1648         LOGE("file path : %s", file_name);
1649
1650         /* open file for poll */
1651         emulMsg_file_fd = open(file_name, O_RDONLY|O_NONBLOCK);
1652         if (emulMsg_file_fd < 0) {
1653                 DEBUG_MSG("file open error !!!!");
1654                 return;
1655         }
1656
1657         /* create epoll */
1658         if((emulMsg_poll_fd = epoll_create1(EPOLL_CLOEXEC)) == -1)
1659         {
1660                 DEBUG_MSG("epoll_create1 is occured");
1661                 close(emulMsg_file_fd);
1662                 return;
1663         }
1664
1665         if((emulMsg_poll_events = (struct epoll_event *)calloc(1, sizeof(struct epoll_event) * EPOLL_SIZE)) == NULL)
1666         {
1667                 DEBUG_MSG("calloc is occured");
1668                 close(emulMsg_file_fd);
1669                 return;
1670         }
1671
1672         /* set event */
1673         struct epoll_event ev;
1674
1675         ev.events = EPOLLIN | EPOLLET | EPOLLHUP | EPOLLERR;
1676         ev.data.fd = emulMsg_file_fd;
1677
1678         /* add file fd to epoll */
1679         epoll_ctl(emulMsg_poll_fd, EPOLL_CTL_ADD, emulMsg_file_fd, &ev);
1680
1681         while (condition == true) {
1682
1683                 int num_of_files = 0;
1684                 int index =0 ;
1685
1686                 /* to do : I will add mutex in the future */
1687                 /* lock mutex */
1688
1689                 DEBUG_MSG("epoll wait >>>>");
1690
1691                 if(emulMsg_poll_fd == -1 || emulMsg_file_fd == -1)
1692                 {
1693                         DEBUG_MSG("client is deinitialized. ");
1694                         condition = 0;
1695                 }
1696
1697                 while((num_of_files = epoll_wait(emulMsg_poll_fd, emulMsg_poll_events, EPOLL_SIZE, -1)) == 0) {
1698                         DEBUG_MSG("no data is changed ");
1699                 }
1700
1701                 for(index = 0; index < num_of_files; index++)
1702                 {
1703                         if( (emulMsg_poll_events[index].events & (EPOLLHUP)) || (emulMsg_poll_events[index].events & (EPOLLERR)))
1704                         {
1705                                 DEBUG_MSG("connection is closed");
1706
1707                                 condition = 0;
1708                         }
1709                         else if(emulMsg_poll_events[index].events & EPOLLIN)
1710                         {
1711                                 if(emulMsg_poll_events[index].data.fd == emulMsg_file_fd)
1712                                 {
1713                                         char readbuffer[READ_BUFFER_LENGTH_MAX];
1714                                         int readcnt = 0;
1715
1716                                         DEBUG_MSG("precess POLLIN ");
1717
1718                                         memset(readbuffer, 0x00, sizeof(READ_BUFFER_LENGTH_MAX));
1719
1720                                         readcnt = read(emulMsg_file_fd, readbuffer, READ_BUFFER_LENGTH_MAX);
1721
1722                                         DEBUG_MSG("message readcnt= [%d] ", readcnt);
1723                                         DEBUG_MSG("message = [%s] ", readbuffer);
1724
1725                     /* remove header */
1726                                         _net_nfc_process_emulMsg((uint8_t *)readbuffer + NET_NFC_EMUL_HEADER_LENGTH, (long int)readcnt - NET_NFC_EMUL_HEADER_LENGTH);
1727                                 }
1728                                 else
1729                                 {
1730                                         DEBUG_MSG("not expected socket connection");
1731                                         condition = 0;
1732                                 }
1733                         }
1734                         else
1735                         {
1736                                 if(num_of_files == index)
1737                                 {
1738                                         DEBUG_MSG("unknown event");
1739                                         condition = 0;
1740                                 }
1741                         }
1742
1743
1744                 }
1745
1746                 /* unlock mutex */
1747
1748         }
1749
1750         close(emulMsg_file_fd);
1751
1752         DEBUG_MSG("emul_ReaderThread END >>>>");
1753 }
1754
1755 #else
1756
1757 static void emul_ReaderThread(void * pArg)
1758 {
1759         DEBUG_MSG("emul_ReaderThread START >>>>");
1760
1761         FILE *fp = NULL;
1762         char file_name[1024] = { 0, };
1763
1764         char readBuffer[READ_BUFFER_LENGTH_MAX];
1765
1766         struct stat st;
1767
1768         time_t curTime;
1769
1770         bool condition = true;
1771
1772         /* make file name */
1773         snprintf(file_name, sizeof(file_name), "%s/%s", NET_NFC_EMUL_DATA_PATH, NET_NFC_EMUL_MESSAGE_FILE_NAME );
1774         LOGE("file path : %s", file_name);
1775
1776         time(&curTime);
1777         DEBUG_MSG("Start Current Time [%ld]", (unsigned long) curTime);
1778
1779         /* polling 500 ms */
1780
1781         while (condition != 0) {
1782
1783                 usleep(500 * 1000);
1784
1785                 /* open file */
1786                 if ((fp = fopen(file_name, "r")) == NULL) {
1787                         DEBUG_MSG("file open error");
1788                         condition = false;
1789                 }
1790                 else {
1791                         /* get the modified time of the file */
1792                         if (stat(file_name, &st) ==0) {
1793                                 if ((unsigned long) st.st_mtime <= (unsigned long) curTime) {
1794                                         fclose(fp);
1795                                         continue;
1796                                 }
1797                                 else {
1798                                         DEBUG_MSG("FILE Modified Time [%ld]", (unsigned long) st.st_mtime);
1799                                         /* update current time */
1800                                         time(&curTime);
1801                                         DEBUG_MSG("Get New Current Time [%ld]", (unsigned long) curTime);
1802                                 }
1803
1804                         }
1805                         else {
1806                                 DEBUG_MSG("stat error");
1807                                 fclose(fp);
1808                                 continue;
1809                         }
1810
1811                         /* read data */
1812                         memset(readBuffer, 0x00, READ_BUFFER_LENGTH_MAX);
1813
1814                         if (fscanf(fp, "%[^\n]", readBuffer)) {
1815                                 DEBUG_MSG("get DATA >>>> readBuffer [%s]", readBuffer);
1816                         }
1817
1818                         /* process message */
1819                         _net_nfc_process_emulMsg((uint8_t *) readBuffer, (long int) strlen(readBuffer));
1820
1821                         fclose(fp);
1822                 }
1823
1824                 DEBUG_MSG("LOOP END >>>>");
1825
1826         }
1827
1828         DEBUG_MSG("emul_ReaderThread END >>>>");
1829 }
1830 #endif
1831
1832 static bool _net_nfc_emul_controller_start_thread (void)
1833 {
1834         bool ret = true;
1835
1836         DEBUG_EMUL_BEGIN();
1837
1838         ret = pthread_create(&gEmulThread, NULL,  (emul_Nfc_thread_handler_t)emul_ReaderThread,  (void*) "emul_read_thread");
1839
1840         if(ret != 0)
1841                 return false;
1842
1843         DEBUG_EMUL_END();
1844
1845         return true;
1846 }
1847
1848 static void _net_nfc_emul_controller_stop_thread (void)
1849 {
1850         DEBUG_EMUL_BEGIN();
1851
1852         pthread_cancel(gEmulThread);
1853
1854         usleep(500 * 1000);
1855
1856         pthread_cond_signal(&cond);
1857
1858         pthread_join(gEmulThread, NULL);
1859
1860         DEBUG_EMUL_END();
1861 }
1862
1863 static bool net_nfc_emul_controller_init (net_nfc_error_e* result)
1864 {
1865         bool ret = true;
1866
1867         if (result == NULL) {
1868                 return false;
1869         }
1870
1871         DEBUG_EMUL_BEGIN();
1872
1873         DEBUG_MSG("start stack init ");
1874
1875         if (g_stack_init_successful == true)
1876         {
1877                 DEBUG_MSG("Already statck is initialized");
1878                 return true;
1879         }
1880
1881
1882         /* start reader thread : to get event from Inject */
1883         if (!_net_nfc_emul_controller_start_thread()) {
1884                 DEBUG_ERR_MSG("Failed to create emul thread");
1885                 return false;
1886         }
1887
1888         DEBUG_MSG("Stack init finished");
1889
1890         g_stack_init_successful = true;
1891         *result = NET_NFC_OK;
1892
1893         DEBUG_EMUL_END();
1894
1895         return ret;
1896 }
1897
1898 static bool net_nfc_emul_controller_deinit (void)
1899 {
1900         DEBUG_EMUL_BEGIN();
1901
1902         /* End thread */
1903         if (g_stack_init_successful == false)
1904         {
1905                 DEBUG_MSG("Already statck is deinitialized");
1906                 return true;
1907         }
1908
1909         _net_nfc_emul_controller_stop_thread();
1910
1911         g_stack_init_successful = false;
1912
1913         DEBUG_EMUL_END();
1914
1915         return true;
1916 }
1917 static bool net_nfc_emul_controller_register_listener(
1918         target_detection_listener_cb target_detection_listener,
1919         se_transaction_listener_cb se_transaction_listener,
1920         llcp_event_listener_cb llcp_event_listener,
1921         hce_apdu_listener_cb hce_apdu_listener,
1922         net_nfc_error_e* result)
1923 {
1924         if (result == NULL) {
1925                 return false;
1926         }
1927
1928         *result = NET_NFC_OK;
1929
1930         DEBUG_EMUL_BEGIN();
1931
1932         g_emul_controller_target_cb = target_detection_listener;
1933         g_emul_controller_se_cb = se_transaction_listener;
1934         g_emul_controller_llcp_cb = llcp_event_listener;
1935         g_emul_controller_hce_cb = hce_apdu_listener;
1936
1937         DEBUG_EMUL_END();
1938
1939         return true;
1940 }
1941
1942 static bool net_nfc_emul_controller_unregister_listener()
1943 {
1944         DEBUG_EMUL_BEGIN();
1945
1946         g_emul_controller_target_cb = NULL;
1947         g_emul_controller_se_cb = NULL;
1948         g_emul_controller_llcp_cb = NULL;
1949
1950         DEBUG_EMUL_END();
1951
1952         return true;
1953 }
1954
1955 static bool net_nfc_emul_controller_get_firmware_version(data_s **data, net_nfc_error_e *result)
1956 {
1957         if (data == NULL || result == NULL)
1958         {
1959                 return false;
1960         }
1961
1962         *result = NET_NFC_OK;
1963
1964         DEBUG_EMUL_BEGIN();
1965
1966         *data = (data_s *)calloc(1, sizeof(data_s));
1967
1968         if(*data == NULL)
1969                 return false;
1970
1971         (*data)->length = 10;
1972         (*data)->buffer = (uint8_t *)calloc(1, (*data)->length);
1973
1974         snprintf((char *)(*data)->buffer, (*data)->length, "%d.%d", 1, 0);
1975
1976         DEBUG_EMUL_END();
1977
1978         return true;
1979 }
1980
1981 static bool net_nfc_emul_controller_check_firmware_version(net_nfc_error_e* result)
1982 {
1983         if (result == NULL) {
1984                 return false;
1985         }
1986
1987         *result = NET_NFC_OK;
1988
1989         DEBUG_EMUL_BEGIN();
1990
1991         DEBUG_EMUL_END();
1992
1993         return true;
1994 }
1995
1996 static bool net_nfc_emul_controller_update_firmware(net_nfc_error_e* result)
1997 {
1998         if (result == NULL) {
1999                 return false;
2000         }
2001
2002         *result = NET_NFC_OK;
2003
2004         DEBUG_EMUL_BEGIN();
2005
2006         DEBUG_EMUL_END();
2007
2008         return true;
2009 }
2010
2011 static bool net_nfc_emul_controller_get_stack_information(net_nfc_stack_information_s* stack_info, net_nfc_error_e* result)
2012 {
2013         if (result == NULL) {
2014                 return false;
2015         }
2016
2017         *result = NET_NFC_OK;
2018
2019         DEBUG_EMUL_BEGIN();
2020
2021         DEBUG_EMUL_END();
2022
2023         return true;
2024 }
2025
2026 static bool net_nfc_emul_controller_configure_discovery (net_nfc_discovery_mode_e mode, net_nfc_event_filter_e config, net_nfc_error_e* result)
2027 {
2028         int idx;
2029         bool ret = true;
2030
2031         if (result == NULL)
2032         {
2033                 return false;
2034         }
2035
2036         *result = NET_NFC_OK;
2037
2038         if (mode == NET_NFC_DISCOVERY_MODE_START)
2039         {
2040                 mode = NET_NFC_DISCOVERY_MODE_CONFIG;
2041         }
2042         else if (mode == NET_NFC_DISCOVERY_MODE_STOP)
2043         {
2044                 mode = NET_NFC_DISCOVERY_MODE_CONFIG;
2045                 config = NET_NFC_ALL_DISABLE;
2046         }
2047
2048         DEBUG_EMUL_BEGIN();
2049
2050         if ((mode == NET_NFC_DISCOVERY_MODE_CONFIG))
2051         {
2052                 if (config == NET_NFC_ALL_DISABLE)
2053                 {
2054                         /* This handle is not useful anymore */
2055                         __net_nfc_make_invalid_target_handle ();
2056
2057                         /* reset socket_info */
2058                         for (idx = 0; idx < LLCP_NB_SOCKET_MAX; idx++)
2059                         {
2060                                 _net_nfc_remove_socket_slot((net_nfc_llcp_socket_t) idx);
2061                         }
2062
2063                         DEBUG_MSG("Kill Thread");
2064
2065                         ret = net_nfc_emul_controller_deinit();
2066                 }
2067                 else if(config == NET_NFC_ALL_ENABLE)
2068                 {
2069                         net_nfc_error_e err;
2070
2071                         DEBUG_MSG("Create Thread");
2072                         ret = net_nfc_emul_controller_init(&err);
2073                 }
2074         }
2075
2076         DEBUG_EMUL_END();
2077
2078         return ret;
2079 }
2080
2081 static bool net_nfc_emul_controller_get_secure_element_list(net_nfc_secure_element_info_s* list, int* count, net_nfc_error_e* result)
2082 {
2083         if (result == NULL) {
2084                 return false;
2085         }
2086
2087         *result = NET_NFC_OK;
2088
2089         DEBUG_EMUL_BEGIN();
2090
2091         DEBUG_EMUL_END();
2092
2093         return true;
2094 }
2095
2096 static bool net_nfc_emul_controller_set_secure_element_mode(net_nfc_secure_element_type_e element_type, net_nfc_secure_element_mode_e mode, net_nfc_error_e* result)
2097 {
2098         if (result == NULL) {
2099                 return false;
2100         }
2101
2102         *result = NET_NFC_OK;
2103
2104         DEBUG_EMUL_BEGIN();
2105
2106         DEBUG_EMUL_END();
2107
2108         return true;
2109 }
2110
2111 static bool net_nfc_emul_controller_check_target_presence(net_nfc_target_handle_s* handle, net_nfc_error_e* result)
2112 {
2113         if (result == NULL) {
2114                 return false;
2115         }
2116
2117         *result = NET_NFC_OK;
2118
2119         usleep(300*1000);
2120
2121         if (_net_nfc_emul_get_is_tag_attached()) {
2122                 return true;
2123         }
2124         else {
2125                 DEBUG_MSG("TAG Detached");
2126                 return false;
2127         }
2128 }
2129
2130 static bool net_nfc_emul_controller_connect(net_nfc_target_handle_s* handle, net_nfc_error_e* result)
2131 {
2132         if (result == NULL) {
2133                 return false;
2134         }
2135
2136         *result = NET_NFC_OK;
2137
2138         if (!__net_nfc_is_valide_target_handle(handle)) {
2139                 *result = NET_NFC_INVALID_HANDLE;
2140                 return false;
2141         }
2142
2143         DEBUG_EMUL_BEGIN();
2144
2145         DEBUG_EMUL_END();
2146
2147         return true;
2148 }
2149
2150 static bool net_nfc_emul_controller_disconnect(net_nfc_target_handle_s* handle, net_nfc_error_e* result)
2151 {
2152         if (result == NULL) {
2153                 return false;
2154         }
2155
2156         *result = NET_NFC_OK;
2157
2158         DEBUG_EMUL_BEGIN();
2159
2160         if (!__net_nfc_is_valide_target_handle(handle)) {
2161                 *result = NET_NFC_INVALID_HANDLE;
2162                 return false;
2163         }
2164
2165         // This handle is not useful anymore
2166         __net_nfc_make_invalid_target_handle ();
2167
2168         /* reset socket_info */
2169         int idx = 0;
2170         for (; idx < LLCP_NB_SOCKET_MAX; idx++)
2171         {
2172                 _net_nfc_remove_socket_slot((net_nfc_llcp_socket_t) idx);
2173         }
2174
2175         DEBUG_EMUL_END();
2176
2177         return true;
2178 }
2179
2180 static bool net_nfc_emul_controller_check_ndef(net_nfc_target_handle_s* handle, uint8_t *ndef_card_state, int* max_data_size, int* real_data_size, net_nfc_error_e* result)
2181 {
2182         data_s rawdata = { NULL, 0 };
2183
2184         if (result == NULL) {
2185                 return false;
2186         }
2187
2188         *result = NET_NFC_OK;
2189
2190         if (handle == NULL || ndef_card_state == NULL || max_data_size == NULL || real_data_size == NULL || result == NULL)
2191         {
2192                 *result = NET_NFC_NULL_PARAMETER;
2193                 return false;
2194         }
2195
2196         if (!__net_nfc_is_valide_target_handle(handle)) {
2197                 *result = NET_NFC_INVALID_HANDLE;
2198                 return false;
2199         }
2200
2201         DEBUG_EMUL_BEGIN();
2202
2203         _net_nfc_retrieve_ndef_message(&rawdata);
2204
2205         if (_net_nfc_emul_get_is_tag_attached())
2206         {
2207                 *ndef_card_state = NET_NFC_NDEF_CARD_READ_WRITE;
2208                 *max_data_size = BUFFER_LENGTH_MAX;
2209                 *real_data_size = rawdata.length;
2210                 DEBUG_MSG("Card State : [%d] MAX data size :[%d] actual data size = [%d]", *ndef_card_state, *max_data_size, *real_data_size);
2211         }
2212         else
2213         {
2214                 DEBUG_MSG("target detached");
2215         }
2216
2217         DEBUG_EMUL_END();
2218
2219         return true;
2220 }
2221
2222 static bool net_nfc_emul_controller_make_read_only_ndef(net_nfc_target_handle_s* handle, net_nfc_error_e* result)
2223 {
2224         if (result == NULL) {
2225                 return false;
2226         }
2227
2228         *result = NET_NFC_OK;
2229
2230         if (!__net_nfc_is_valide_target_handle(handle)) {
2231                 *result = NET_NFC_INVALID_HANDLE;
2232                 return false;
2233         }
2234
2235         DEBUG_EMUL_BEGIN();
2236
2237         DEBUG_EMUL_END();
2238
2239         return true;
2240 }
2241
2242 static bool net_nfc_emul_controller_read_ndef(net_nfc_target_handle_s* handle, data_s** data, net_nfc_error_e* result)
2243 {
2244         int real_data_size = 0;
2245         data_s rawdata = { NULL, 0 };
2246
2247         DEBUG_EMUL_BEGIN();
2248
2249         if (result == NULL) {
2250                 return false;
2251         }
2252
2253         *result = NET_NFC_OK;
2254
2255         if(handle == NULL || data == NULL || result == NULL)
2256         {
2257                 DEBUG_ERR_MSG("NET_NFC_NULL_PARAMETER >>>");
2258                 *result = NET_NFC_NULL_PARAMETER;
2259                 return false;
2260         }
2261
2262         if (!__net_nfc_is_valide_target_handle(handle)) {
2263                 DEBUG_ERR_MSG("NET_NFC_INVALID_HANDLE >>>");
2264                 *result = NET_NFC_INVALID_HANDLE;
2265                 return false;
2266         }
2267
2268         if(!_net_nfc_emul_get_is_tag_attached()) {
2269                 DEBUG_ERR_MSG("NET_NFC_NOT_ALLOWED_OPERATION >>>");
2270                 *result = NET_NFC_NOT_ALLOWED_OPERATION;
2271                 return false;
2272         }
2273
2274         *result = _net_nfc_retrieve_ndef_message(&rawdata);
2275         if(*result != NET_NFC_OK)
2276                 return false;
2277
2278         real_data_size = rawdata.length;
2279
2280         if(real_data_size == 0)
2281         {
2282                 DEBUG_ERR_MSG("read ndef_msg is failed >>> real_data_size is zero");
2283                 *result = NET_NFC_NO_NDEF_MESSAGE;
2284                 return false;
2285         }
2286
2287         *data = (data_s*) calloc(1, sizeof(data_s));
2288
2289         if(*data == NULL)
2290         {
2291                 *result = NET_NFC_ALLOC_FAIL;
2292                 return false;
2293         }
2294
2295         (*data)->length = real_data_size;
2296         (*data)->buffer = (uint8_t *)calloc(1, real_data_size);
2297
2298         if((*data)->buffer == NULL)
2299         {
2300                 free(*data);
2301                 *result = NET_NFC_ALLOC_FAIL;
2302                 return false;
2303         }
2304
2305         /* copy rawdata to data->buffer */
2306         memcpy((*data)->buffer, rawdata.buffer, real_data_size);
2307
2308         DEBUG_EMUL_END();
2309
2310         return true;
2311 }
2312
2313 static bool net_nfc_emul_controller_write_ndef(net_nfc_target_handle_s* handle, data_s* data, net_nfc_error_e* result)
2314 {
2315         if (result == NULL) {
2316                 return false;
2317         }
2318
2319         *result = NET_NFC_OK;
2320
2321         if (!__net_nfc_is_valide_target_handle(handle)) {
2322                 *result = NET_NFC_INVALID_HANDLE;
2323                 return false;
2324         }
2325
2326         DEBUG_EMUL_BEGIN();
2327
2328         DEBUG_MSG("net_nfc_emul_controller_write_ndef success >>>");
2329
2330         _net_nfc_store_ndef_message(data);
2331
2332         DEBUG_EMUL_END();
2333
2334         return true;
2335 }
2336
2337
2338 static bool net_nfc_emul_controller_transceive(net_nfc_target_handle_s *handle,
2339         net_nfc_transceive_info_s *info, data_s **data, net_nfc_error_e *result)
2340 {
2341         bool ret = false;
2342
2343         if (result == NULL) {
2344                 return ret;
2345         }
2346
2347         if (info == NULL || info->trans_data.buffer == NULL ||
2348                 info->trans_data.length == 0) {
2349                 *result = NET_NFC_INVALID_PARAM;
2350                 return ret;
2351         }
2352
2353         *result = NET_NFC_OK;
2354         *data = NULL;
2355
2356         if (!__net_nfc_is_valide_target_handle(handle)) {
2357                 *result = NET_NFC_INVALID_HANDLE;
2358                 return ret;
2359         }
2360
2361         DEBUG_EMUL_BEGIN();
2362
2363         /* This implementation is not needed on Emulator environment */
2364
2365         DEBUG_EMUL_END();
2366
2367         return ret;
2368 }
2369
2370 static bool net_nfc_emul_controller_format_ndef(net_nfc_target_handle_s* handle, data_s* secure_key, net_nfc_error_e* result)
2371 {
2372         if (result == NULL) {
2373                 return false;
2374         }
2375
2376         *result = NET_NFC_OK;
2377
2378         if (!__net_nfc_is_valide_target_handle(handle)) {
2379                 *result = NET_NFC_INVALID_HANDLE;
2380                 return false;
2381         }
2382
2383         DEBUG_EMUL_BEGIN();
2384
2385         DEBUG_EMUL_END();
2386
2387         return true;
2388 }
2389
2390 static bool net_nfc_emul_controller_exception_handler(void)
2391 {
2392         DEBUG_EMUL_BEGIN();
2393
2394         net_nfc_error_e error;
2395
2396         if(net_nfc_emul_controller_init(&error) == false)
2397         {
2398                 DEBUG_ERR_MSG("exception handler is failed!!");
2399                 exit(0xff);
2400         }
2401
2402         DEBUG_EMUL_END();
2403
2404         return true;
2405 }
2406
2407 static bool net_nfc_emul_controller_is_ready(net_nfc_error_e* result)
2408 {
2409         if (result == NULL) {
2410                 return false;
2411         }
2412
2413         *result = NET_NFC_OK;
2414
2415         DEBUG_EMUL_BEGIN();
2416
2417         DEBUG_EMUL_END();
2418
2419         return g_stack_init_successful;
2420 }
2421
2422
2423 /*******************
2424 *       LLCP definition     *
2425 ********************/
2426
2427 static bool net_nfc_emul_controller_llcp_config (net_nfc_llcp_config_info_s * config, net_nfc_error_e * result)
2428 {
2429         if (result == NULL) {
2430                 return false;
2431         }
2432
2433         *result = NET_NFC_OK;
2434
2435         DEBUG_EMUL_BEGIN();
2436
2437         DEBUG_EMUL_END();
2438
2439         return true;
2440 }
2441
2442 static bool net_nfc_emul_controller_llcp_check_llcp(net_nfc_target_handle_s* handle, net_nfc_error_e* result)
2443 {
2444         if (result == NULL) {
2445                 return false;
2446         }
2447
2448         *result = NET_NFC_OK;
2449
2450         if (!__net_nfc_is_valide_target_handle(handle)) {
2451                 *result = NET_NFC_INVALID_HANDLE;
2452                 return false;
2453         }
2454
2455         DEBUG_EMUL_BEGIN();
2456
2457         DEBUG_EMUL_END();
2458
2459         return true;
2460 }
2461
2462 static bool net_nfc_emul_controller_llcp_activate_llcp(net_nfc_target_handle_s* handle, net_nfc_error_e* result)
2463 {
2464         if (result == NULL) {
2465                 return false;
2466         }
2467
2468         *result = NET_NFC_OK;
2469
2470         if (!__net_nfc_is_valide_target_handle(handle)) {
2471                 *result = NET_NFC_INVALID_HANDLE;
2472                 return false;
2473         }
2474
2475         DEBUG_EMUL_BEGIN();
2476
2477         DEBUG_EMUL_END();
2478
2479         return true;
2480 }
2481
2482 static bool net_nfc_emul_controller_llcp_create_socket(net_nfc_llcp_socket_t* socket, net_nfc_socket_type_e socketType, uint16_t miu, uint8_t rw,  net_nfc_error_e* result, void * user_param)
2483 {
2484         if (result == NULL) {
2485                 return false;
2486         }
2487
2488         *result = NET_NFC_OK;
2489
2490         DEBUG_EMUL_BEGIN();
2491
2492         /* get available socket */
2493         socket_info_s* socket_info = _net_nfc_get_available_socket_slot();
2494         if(socket_info == NULL) {
2495                 DEBUG_ERR_MSG("The available socket is nothing!!");
2496                 return false;
2497         }
2498
2499         /* get llcp state */
2500         llcp_state_e llcp_state = NET_NFC_STATE_UNKNOWN;
2501         llcp_state = _net_nfc_get_llcp_state(user_param);
2502         if (llcp_state == NET_NFC_STATE_UNKNOWN) {
2503                 DEBUG_ERR_MSG("llcp_state is NET_NFC_STATE_UNKNOWN!!");
2504                 return false;
2505         }
2506
2507         if (llcp_state == NET_NFC_STATE_EXCHANGER_SERVER) {
2508                 DEBUG_MSG("NET_NFC_STATE_EXCHANGER_SERVER");
2509
2510                 *socket = NET_NFC_EMUL_SNEP_SERVER_SOCKET_NUMBER;
2511         }
2512         else if (llcp_state == NET_NFC_STATE_EXCHANGER_SERVER_NPP) {
2513                 DEBUG_MSG("NET_NFC_STATE_EXCHANGER_SERVER_NPP");
2514
2515                 *socket  = NET_NFC_EMUL_NPP_SERVER_SOCKET_NUMBER;
2516         }
2517         else if (llcp_state == NET_NFC_STATE_EXCHANGER_CLIENT) {
2518                 DEBUG_MSG("NET_NFC_STATE_EXCHANGER_CLIENT");
2519
2520                 *socket  = NET_NFC_EMUL_CLIENT_SOCKET_NUMBER;
2521         }
2522         else if (llcp_state == NET_NFC_STATE_CONN_HANDOVER_REQUEST) {
2523                 DEBUG_MSG("NET_NFC_STATE_CONN_HANDOVER_REQUEST");
2524
2525                 *socket  = NET_NFC_EMUL_HANDOVER_REQUEST_SOCKET_NUMBER;
2526         }
2527         else if (llcp_state == NET_NFC_STATE_CONN_HANDOVER_SELECT) {
2528                 DEBUG_MSG("NET_NFC_STATE_CONN_HANDOVER_SELECT");
2529
2530                 *socket  = NET_NFC_EMUL_HANDOVER_SELECT_SOCKET_NUMBER;
2531         }
2532         else {
2533                 DEBUG_MSG("we doesn't support..");
2534
2535                 return false;
2536         }
2537
2538         DEBUG_MSG("socket is created = [0x%x]", *socket);
2539
2540         socket_info->socket_handle = *socket;
2541         socket_info->user_context = (void *) user_param;
2542
2543         DEBUG_EMUL_END();
2544
2545         return true;
2546 }
2547
2548 static bool net_nfc_emul_controller_llcp_bind(net_nfc_llcp_socket_t socket, uint8_t service_access_point, net_nfc_error_e* result)
2549 {
2550         if (result == NULL) {
2551                 return false;
2552         }
2553
2554         *result = NET_NFC_OK;
2555
2556         DEBUG_EMUL_BEGIN();
2557
2558         DEBUG_EMUL_END();
2559
2560         return true;
2561 }
2562
2563 static bool net_nfc_emul_controller_llcp_listen(net_nfc_target_handle_s* handle, uint8_t* service_access_name, net_nfc_llcp_socket_t socket, net_nfc_error_e* result, void * user_param)
2564 {
2565         if (result == NULL) {
2566                 return false;
2567         }
2568
2569         *result = NET_NFC_OK;
2570
2571         if (!__net_nfc_is_valide_target_handle(handle)) {
2572                 *result = NET_NFC_INVALID_HANDLE;
2573                 return false;
2574         }
2575
2576         DEBUG_EMUL_BEGIN();
2577
2578         /* Emul don't create real socket. So, we don't need to wait accept from remote socket */
2579         /* In here, send accept event for only snep */
2580         net_nfc_request_listen_socket_t *detail = NULL;
2581
2582         socket_info_s *socket_info = _net_nfc_find_server_socket(socket);
2583         if (socket_info == NULL) {
2584                 DEBUG_ERR_MSG ("socket_info is NULL");
2585                 return false;
2586         }
2587
2588         llcp_state_e llcp_state = NET_NFC_STATE_UNKNOWN;
2589         llcp_state = _net_nfc_get_llcp_state(socket_info->user_context);
2590         if (llcp_state == NET_NFC_STATE_UNKNOWN) {
2591                 DEBUG_ERR_MSG ("llcp_state is NET_NFC_STATE_UNKNOWN");
2592                 return false;
2593         }
2594
2595         if (llcp_state == NET_NFC_STATE_EXCHANGER_SERVER) {
2596                 _nfc_emul_util_alloc_mem(detail, sizeof(*detail));
2597
2598                 if(detail != NULL)
2599                 {
2600                         detail->length = sizeof(*detail);
2601                         detail->request_type = NET_NFC_MESSAGE_SERVICE_LLCP_LISTEN;
2602
2603                         socket_info->user_context = user_param;
2604
2605                         detail->handle = handle;
2606                         detail->client_socket = NET_NFC_EMUL_INCOMING_SOCKET_NUMBER;
2607                         detail->trans_param = socket_info->user_context;
2608                         detail->result = NET_NFC_OK;
2609
2610                         DEBUG_MSG("accept callback is called");
2611                         g_emul_controller_llcp_cb(detail, socket_info->user_context);
2612                 }
2613         }
2614         else {
2615                 DEBUG_MSG("llcp_state is [%d]", llcp_state);
2616         }
2617
2618         DEBUG_EMUL_END();
2619
2620         return true;
2621 }
2622
2623 /* below accept function does not used. */
2624 static bool net_nfc_emul_controller_llcp_accept(net_nfc_llcp_socket_t   socket, net_nfc_error_e* result, void *user_param)
2625 {
2626         if (result == NULL) {
2627                 return false;
2628         }
2629
2630         *result = NET_NFC_OK;
2631
2632         DEBUG_EMUL_BEGIN();
2633
2634         DEBUG_EMUL_END();
2635
2636         return true;
2637 }
2638
2639 static bool net_nfc_emul_controller_llcp_connect(net_nfc_target_handle_s* handle, net_nfc_llcp_socket_t socket, uint8_t service_access_point, net_nfc_error_e* result, void * user_param)
2640 {
2641         if (result == NULL) {
2642                 return false;
2643         }
2644
2645         *result = NET_NFC_OK;
2646
2647         if (!__net_nfc_is_valide_target_handle(handle)) {
2648                 *result = NET_NFC_INVALID_HANDLE;
2649                 return false;
2650         }
2651
2652         DEBUG_EMUL_BEGIN();
2653
2654         socket_info_s *socket_info = _net_nfc_find_server_socket(socket);
2655         if (socket_info == NULL) {
2656                 DEBUG_ERR_MSG ("socket_info is NULL");
2657                 return false;
2658         }
2659
2660         llcp_state_e llcp_state = NET_NFC_STATE_UNKNOWN;
2661         llcp_state = _net_nfc_get_llcp_state(socket_info->user_context);
2662         if (llcp_state == NET_NFC_STATE_UNKNOWN) {
2663                 DEBUG_ERR_MSG ("llcp_state is NET_NFC_STATE_UNKNOWN");
2664                 return false;
2665         }
2666
2667         DEBUG_EMUL_END();
2668
2669         return true;
2670 }
2671
2672 static bool net_nfc_emul_controller_llcp_connect_by_url( net_nfc_target_handle_s* handle, net_nfc_llcp_socket_t socket, uint8_t* service_access_name, net_nfc_error_e* result, void * user_param)
2673 {
2674         if (result == NULL) {
2675                 return false;
2676         }
2677
2678         *result = NET_NFC_OK;
2679
2680         if (!__net_nfc_is_valide_target_handle(handle)) {
2681                 *result = NET_NFC_INVALID_HANDLE;
2682                 return false;
2683         }
2684
2685         DEBUG_EMUL_BEGIN();
2686
2687         socket_info_s *socket_info = _net_nfc_find_server_socket(socket);
2688         if (socket_info == NULL) {
2689                 DEBUG_ERR_MSG ("socket_info is NULL");
2690                 return false;
2691         }
2692
2693         llcp_state_e llcp_state = NET_NFC_STATE_UNKNOWN;
2694         llcp_state = _net_nfc_get_llcp_state(socket_info->user_context);
2695         if (llcp_state == NET_NFC_STATE_UNKNOWN) {
2696                 DEBUG_ERR_MSG ("llcp_state is NET_NFC_STATE_UNKNOWN");
2697                 return false;
2698         }
2699
2700         DEBUG_EMUL_END();
2701
2702         return true;
2703 }
2704
2705 static bool net_nfc_emul_controller_llcp_send(net_nfc_target_handle_s* handle, net_nfc_llcp_socket_t    socket, data_s* data, net_nfc_error_e* result, void * user_param)
2706 {
2707         if (result == NULL) {
2708                 return false;
2709         }
2710
2711         *result = NET_NFC_OK;
2712
2713         if (!__net_nfc_is_valide_target_handle(handle)) {
2714                 *result = NET_NFC_INVALID_HANDLE;
2715                 return false;
2716         }
2717
2718         DEBUG_EMUL_BEGIN();
2719
2720         socket_info_s *socket_info = _net_nfc_find_server_socket(socket);
2721         if (socket_info == NULL) {
2722                 DEBUG_ERR_MSG ("socket_info is NULL");
2723                 return false;
2724         }
2725
2726         llcp_state_e llcp_state = NET_NFC_STATE_UNKNOWN;
2727         llcp_state = _net_nfc_get_llcp_state(socket_info->user_context);
2728         if (llcp_state == NET_NFC_STATE_UNKNOWN) {
2729                 DEBUG_ERR_MSG ("llcp_state is NET_NFC_STATE_UNKNOWN");
2730                 return false;
2731         }
2732
2733         if(llcp_state == NET_NFC_STATE_EXCHANGER_SERVER) {
2734                 net_nfc_request_llcp_msg_t *req_msg = NULL;
2735
2736                 _nfc_emul_util_alloc_mem(req_msg, sizeof(net_nfc_request_llcp_msg_t));
2737
2738                 socket_info->user_context = user_param;
2739
2740                 if (req_msg != NULL){
2741                         req_msg->length = sizeof(net_nfc_request_llcp_msg_t);
2742                         req_msg->request_type = NET_NFC_MESSAGE_SERVICE_LLCP_SEND;
2743                         req_msg->result = NET_NFC_OK;
2744
2745                         DEBUG_MSG("send callback is called");
2746                         g_emul_controller_llcp_cb(req_msg, socket_info->user_context);
2747                 }
2748         }
2749
2750         DEBUG_EMUL_END();
2751
2752         return true;
2753 }
2754
2755 static bool net_nfc_emul_controller_llcp_send_to(net_nfc_target_handle_s* handle, net_nfc_llcp_socket_t socket, data_s* data, uint8_t service_access_point, net_nfc_error_e* result, void * user_param)
2756 {
2757         if (result == NULL) {
2758                 return false;
2759         }
2760
2761         *result = NET_NFC_OK;
2762
2763         if (!__net_nfc_is_valide_target_handle(handle)) {
2764                 *result = NET_NFC_INVALID_HANDLE;
2765                 return false;
2766         }
2767
2768         DEBUG_EMUL_BEGIN();
2769
2770         socket_info_s *socket_info = _net_nfc_find_server_socket(socket);
2771         if (socket_info == NULL) {
2772                 DEBUG_ERR_MSG ("socket_info is NULL");
2773                 return false;
2774         }
2775
2776         llcp_state_e llcp_state = NET_NFC_STATE_UNKNOWN;
2777         llcp_state = _net_nfc_get_llcp_state(socket_info->user_context);
2778         if (llcp_state == NET_NFC_STATE_UNKNOWN) {
2779                 DEBUG_ERR_MSG ("llcp_state is NET_NFC_STATE_UNKNOWN");
2780                 return false;
2781         }
2782
2783         if(llcp_state == NET_NFC_STATE_EXCHANGER_SERVER) {
2784                 net_nfc_request_llcp_msg_t *req_msg = NULL;
2785
2786                 _nfc_emul_util_alloc_mem(req_msg, sizeof(net_nfc_request_llcp_msg_t));
2787
2788                 socket_info->user_context = user_param;
2789
2790                 if (req_msg != NULL){
2791                         req_msg->length = sizeof(net_nfc_request_llcp_msg_t);
2792                         req_msg->request_type = NET_NFC_MESSAGE_SERVICE_LLCP_SEND_TO;
2793                         req_msg->result = NET_NFC_OK;
2794
2795                         DEBUG_MSG("send_to callback is called");
2796                         g_emul_controller_llcp_cb(req_msg, socket_info->user_context);
2797                 }
2798         }
2799
2800         DEBUG_EMUL_END();
2801
2802         return true;
2803 }
2804
2805
2806 static bool net_nfc_emul_controller_llcp_recv(net_nfc_target_handle_s* handle, net_nfc_llcp_socket_t socket, data_s * data, net_nfc_error_e* result, void * user_param)
2807 {
2808         if (result == NULL || data == NULL) {
2809                 return false;
2810         }
2811
2812         *result = NET_NFC_OK;
2813
2814         if (!__net_nfc_is_valide_target_handle(handle)) {
2815                 *result = NET_NFC_INVALID_HANDLE;
2816                 return false;
2817         }
2818
2819         DEBUG_EMUL_BEGIN();
2820
2821         socket_info_s *socket_info = _net_nfc_find_server_socket(socket);
2822         if (socket_info == NULL) {
2823                 DEBUG_ERR_MSG ("socket_info is NULL");
2824                 return false;
2825         }
2826
2827         llcp_state_e llcp_state = NET_NFC_STATE_UNKNOWN;
2828         llcp_state = _net_nfc_get_llcp_state(socket_info->user_context);
2829         if (llcp_state == NET_NFC_STATE_UNKNOWN) {
2830                 DEBUG_ERR_MSG ("llcp_state is NET_NFC_STATE_UNKNOWN");
2831                 return false;
2832         }
2833
2834         if (llcp_state == NET_NFC_STATE_EXCHANGER_SERVER) {
2835
2836                 DEBUG_MSG("NET_NFC_STATE_EXCHANGER_SERVER");
2837                 socket_info->user_context = user_param;
2838
2839                 if(Snep_Server_msg->isSegment) {
2840                         /* send snep msg continueosly  ..*/
2841                         DEBUG_MSG("send segments for snep msg");
2842
2843                         int remained_size = 0;
2844
2845                         remained_size = Snep_Server_msg->data->length - Snep_Server_msg->offset;
2846                         DEBUG_MSG("remained_size[%d]", remained_size);
2847
2848                         /* copy rawdata to llcp_server_data->buffer */
2849                         if (remained_size <= SNEP_MAX_BUFFER) {
2850                                 DEBUG_MSG("send last segment >>>");
2851
2852                                 llcp_server_data->length = remained_size;
2853                                 memcpy(llcp_server_data->buffer, Snep_Server_msg->data->buffer+Snep_Server_msg->offset , remained_size);
2854
2855                                 Snep_Server_msg->isSegment = false;
2856                         }
2857                         else {
2858                                 DEBUG_MSG("send continue segment >>>");
2859
2860                                 llcp_server_data->length = SNEP_MAX_BUFFER;
2861                                 memcpy(llcp_server_data->buffer, Snep_Server_msg->data->buffer+Snep_Server_msg->offset, SNEP_MAX_BUFFER);
2862
2863                                 Snep_Server_msg->offset += SNEP_MAX_BUFFER;
2864                         }
2865
2866                         _net_nfc_llcp_data_receive_cb(socket_info->user_context); /* call callback */
2867                 }
2868                 else {
2869                         /* In here, we dosen't call _net_nfc_llcp_data_receive_cb. just wait event from emulator */
2870                         /*After copying data address, we will return it, immediately */
2871                         DEBUG_MSG("data address is set");
2872                         llcp_server_data = data;
2873                 }
2874         }
2875         else {
2876                 DEBUG_MSG("we don't support..");
2877         }
2878
2879         DEBUG_EMUL_END();
2880
2881         return true;
2882 }
2883
2884 static bool net_nfc_emul_controller_llcp_recv_from(net_nfc_target_handle_s* handle, net_nfc_llcp_socket_t socket, data_s * data, net_nfc_error_e* result, void * user_param)
2885 {
2886         if (result == NULL) {
2887                 return false;
2888         }
2889
2890         *result = NET_NFC_OK;
2891
2892         if (!__net_nfc_is_valide_target_handle(handle)) {
2893                 *result = NET_NFC_INVALID_HANDLE;
2894                 return false;
2895         }
2896
2897         DEBUG_EMUL_BEGIN();
2898
2899         socket_info_s *socket_info = _net_nfc_find_server_socket(socket);
2900         if (socket_info == NULL) {
2901                 DEBUG_ERR_MSG ("socket_info is NULL");
2902                 return false;
2903         }
2904
2905         llcp_state_e llcp_state = NET_NFC_STATE_UNKNOWN;
2906         llcp_state = _net_nfc_get_llcp_state(socket_info->user_context);
2907         if (llcp_state == NET_NFC_STATE_UNKNOWN) {
2908                 DEBUG_ERR_MSG ("llcp_state is NET_NFC_STATE_UNKNOWN");
2909                 return false;
2910         }
2911
2912         if (llcp_state == NET_NFC_STATE_EXCHANGER_SERVER) {
2913
2914                 DEBUG_MSG("NET_NFC_STATE_EXCHANGER_SERVER");
2915                 socket_info->user_context = user_param;
2916
2917                 if(Snep_Server_msg->isSegment) {
2918                         /* send snep msg continueosly  ..*/
2919                         DEBUG_MSG("send segments for snep msg");
2920
2921                         int remained_size = 0;
2922
2923                         remained_size = Snep_Server_msg->data->length - Snep_Server_msg->offset;
2924                         DEBUG_MSG("remained_size[%d]", remained_size);
2925
2926                         /* copy rawdata to llcp_server_data->buffer */
2927                         if (remained_size <= SNEP_MAX_BUFFER) {
2928                                 DEBUG_MSG("send last segment >>>");
2929
2930                                 llcp_server_data->length = remained_size;
2931                                 memcpy(llcp_server_data->buffer, Snep_Server_msg->data->buffer+Snep_Server_msg->offset , remained_size);
2932
2933                                 Snep_Server_msg->isSegment = false;
2934                         }
2935                         else {
2936                                 DEBUG_MSG("send continue segment >>>");
2937
2938                                 llcp_server_data->length = SNEP_MAX_BUFFER;
2939                                 memcpy(llcp_server_data->buffer, Snep_Server_msg->data->buffer+Snep_Server_msg->offset, SNEP_MAX_BUFFER);
2940
2941                                 Snep_Server_msg->offset += SNEP_MAX_BUFFER;
2942                         }
2943
2944                         _net_nfc_llcp_data_receive_from_cb(socket_info->user_context); /* call callback */
2945                 }
2946                 else {
2947                         /* In here, we dosen't call _net_nfc_llcp_data_receive_cb. just wait event from emulator */
2948                         /*After copying data address, we will return it, immediately */
2949                         if(data != NULL) {
2950                                 DEBUG_MSG("data address is set");
2951                                 llcp_server_data = data;
2952                         }
2953                         else {
2954                                 DEBUG_ERR_MSG("data address is NULL");
2955                                 return false;
2956                         }
2957                 }
2958         }
2959         else {
2960                 DEBUG_MSG("we donen't support..");
2961         }
2962
2963         DEBUG_EMUL_END();
2964
2965         return true;
2966 }
2967
2968 static bool net_nfc_emul_controller_llcp_disconnect(net_nfc_target_handle_s* handle, net_nfc_llcp_socket_t      socket, net_nfc_error_e* result, void * user_param)
2969 {
2970         if (result == NULL) {
2971                 return false;
2972         }
2973
2974         *result = NET_NFC_OK;
2975
2976         if (!__net_nfc_is_valide_target_handle(handle)) {
2977                 *result = NET_NFC_INVALID_HANDLE;
2978                 return false;
2979         }
2980
2981         DEBUG_EMUL_BEGIN();
2982
2983         socket_info_s *socket_info = _net_nfc_find_server_socket(socket);
2984         if (socket_info == NULL) {
2985                 DEBUG_ERR_MSG ("socket_info is NULL");
2986                 return false;
2987         }
2988
2989         llcp_state_e llcp_state = NET_NFC_STATE_UNKNOWN;
2990         llcp_state = _net_nfc_get_llcp_state(socket_info->user_context);
2991         if (llcp_state == NET_NFC_STATE_UNKNOWN) {
2992                 DEBUG_ERR_MSG ("llcp_state is NET_NFC_STATE_UNKNOWN");
2993                 return false;
2994         }
2995
2996         /* send msg to framework */
2997         net_nfc_request_llcp_msg_t *req_msg = NULL;
2998
2999         _nfc_emul_util_alloc_mem(req_msg, sizeof(net_nfc_request_llcp_msg_t));
3000
3001         socket_info->user_context = user_param;
3002
3003         if (req_msg != NULL){
3004                 req_msg->length = sizeof(net_nfc_request_llcp_msg_t);
3005                 req_msg->request_type = NET_NFC_MESSAGE_SERVICE_LLCP_DISCONNECT;
3006                 req_msg->result = NET_NFC_OK;
3007
3008                 DEBUG_MSG("disconnect callback is called");
3009                 g_emul_controller_llcp_cb(req_msg, user_param);
3010         }
3011
3012         /* reset socket_info */
3013         _net_nfc_remove_socket_slot((net_nfc_llcp_socket_t) socket);
3014
3015         DEBUG_EMUL_END();
3016
3017         return true;
3018 }
3019
3020 static bool net_nfc_emul_controller_llcp_socket_close(net_nfc_llcp_socket_t socket, net_nfc_error_e* result)
3021 {
3022         if (result == NULL) {
3023                 return false;
3024         }
3025
3026         *result = NET_NFC_OK;
3027
3028         DEBUG_EMUL_BEGIN();
3029
3030         DEBUG_EMUL_END();
3031
3032         return true;
3033 }
3034
3035 static bool net_nfc_emul_controller_llcp_reject(net_nfc_target_handle_s* handle, net_nfc_llcp_socket_t  socket, net_nfc_error_e* result)
3036 {
3037         if (result == NULL) {
3038                 return false;
3039         }
3040
3041         *result = NET_NFC_OK;
3042
3043         if (!__net_nfc_is_valide_target_handle(handle)) {
3044                 *result = NET_NFC_INVALID_HANDLE;
3045                 return false;
3046         }
3047
3048         DEBUG_EMUL_BEGIN();
3049
3050         DEBUG_EMUL_END();
3051
3052         return true;
3053 }
3054
3055 static bool net_nfc_emul_controller_llcp_get_remote_config (net_nfc_target_handle_s* handle, net_nfc_llcp_config_info_s *config, net_nfc_error_e* result)
3056 {
3057         if (result == NULL) {
3058                 return false;
3059         }
3060
3061         *result = NET_NFC_OK;
3062
3063         if (!__net_nfc_is_valide_target_handle(handle)) {
3064                 *result = NET_NFC_INVALID_HANDLE;
3065                 return false;
3066         }
3067
3068         DEBUG_EMUL_BEGIN();
3069
3070         DEBUG_EMUL_END();
3071
3072         return true;
3073 }
3074
3075 static bool net_nfc_emul_controller_llcp_get_remote_socket_info (net_nfc_target_handle_s* handle, net_nfc_llcp_socket_t socket, net_nfc_llcp_socket_option_s * option, net_nfc_error_e* result)
3076 {
3077         /* In llcp specification ver 1.1, default miu size is 128 */
3078         const uint16_t default_miu = 128;
3079
3080         if (result == NULL) {
3081                 return false;
3082         }
3083
3084         *result = NET_NFC_OK;
3085
3086         if (!__net_nfc_is_valide_target_handle(handle)) {
3087                 *result = NET_NFC_INVALID_HANDLE;
3088                 return false;
3089         }
3090
3091         DEBUG_EMUL_BEGIN();
3092
3093         option->miu = default_miu;
3094
3095         DEBUG_EMUL_END();
3096
3097         return true;
3098 }
3099
3100
3101 static bool net_nfc_emul_controller_support_nfc(net_nfc_error_e *result)
3102 {
3103         bool ret = false;
3104         struct stat st = { 0, };
3105
3106         if (stat("/dev/nfc0", &st) == -1)
3107         {
3108                 if (result)
3109                         *result = NET_NFC_NOT_SUPPORTED;
3110                 return ret;
3111         }
3112
3113         if (result)
3114                 *result = NET_NFC_OK;
3115
3116         ret = true;
3117
3118         return ret;
3119 }
3120 static bool net_nfc_emul_controller_secure_element_open(net_nfc_secure_element_type_e element_type, net_nfc_target_handle_s **handle, net_nfc_error_e *result)
3121 {
3122         DEBUG_ERR_MSG("se open start");
3123         *result = NET_NFC_OK;
3124         __net_nfc_make_valid_target_handle(handle);
3125
3126         DEBUG_ERR_MSG("se_open end");
3127         return true;
3128 }
3129 static bool net_nfc_emul_controller_secure_element_get_atr(net_nfc_target_handle_s *handle,
3130                     data_s **atr, net_nfc_error_e *result)
3131 {
3132         bool ret = true;
3133         char buffer[1024];
3134         int length = sizeof(buffer);
3135         data_s *temp;
3136
3137         DEBUG_ERR_MSG("se get_atr start");
3138         *result = NET_NFC_OK;
3139         *atr = NULL;
3140
3141         strncpy(buffer, "getatr", sizeof(buffer));
3142
3143     temp = (data_s *)calloc(1, sizeof(*temp));
3144     if (temp != NULL) {
3145             temp->buffer = (uint8_t *)calloc(1, length);
3146         if (temp->buffer != NULL) {
3147                 memcpy(temp->buffer, buffer, length);
3148                 temp->length = length;
3149             *atr = temp;
3150                 *result = NET_NFC_OK;
3151                 } else {
3152                         free(temp);
3153                         *result = NET_NFC_ALLOC_FAIL;
3154                         ret = false;
3155                 }
3156         } else {
3157                 *result = NET_NFC_ALLOC_FAIL;
3158                 ret = false;
3159         }
3160         DEBUG_ERR_MSG("se get atr end");
3161         return ret;
3162 }
3163 static bool net_nfc_emul_controller_secure_element_send_apdu(net_nfc_target_handle_s *handle,
3164                     data_s *command, data_s **response, net_nfc_error_e *result)
3165 {
3166         bool ret = true;
3167         char buffer[1024];
3168         int length;
3169         data_s *temp;
3170
3171         DEBUG_ERR_MSG("se send apdu start");
3172
3173         *result = NET_NFC_OK;
3174         *response = NULL;
3175
3176         //buffer response
3177         strncpy(buffer, "response", sizeof(buffer));
3178
3179         length = strlen(buffer);
3180
3181     temp = (data_s *)calloc(1, sizeof(*temp));
3182         if (temp != NULL) {
3183                 temp->buffer = (uint8_t *)calloc(1, length);
3184                 if (temp->buffer != NULL) {
3185                         memcpy(temp->buffer, buffer, length);
3186                         temp->length = length;
3187
3188                         *response = temp;
3189                         *result = NET_NFC_OK;
3190                 } else {
3191                         free(temp);
3192                         *result = NET_NFC_ALLOC_FAIL;
3193                         ret = false;
3194                 }
3195         } else {
3196             *result = NET_NFC_ALLOC_FAIL;
3197             ret = false;
3198         }
3199
3200         DEBUG_ERR_MSG("se send apdu end");
3201         return ret;
3202 }
3203 static bool net_nfc_emul_controller_secure_element_close(net_nfc_target_handle_s *handle,
3204                         net_nfc_error_e *result)
3205 {
3206         DEBUG_ERR_MSG("se close start");
3207         *result = NET_NFC_OK;
3208         return true;
3209         DEBUG_ERR_MSG("se close end");
3210 }
3211
3212 ////////////// INTERFACE END //////////
3213