The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * Copyright (C) 2008-2012 Broadcom Corporation |
| 4 | * |
| 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | * you may not use this file except in compliance with the License. |
| 7 | * You may obtain a copy of the License at: |
| 8 | * |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * |
| 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | * See the License for the specific language governing permissions and |
| 15 | * limitations under the License. |
| 16 | * |
| 17 | ******************************************************************************/ |
| 18 | |
| 19 | /****************************************************************************** |
| 20 | * |
| 21 | * this file contains the GATT server functions |
| 22 | * |
| 23 | ******************************************************************************/ |
| 24 | |
| 25 | #include "bt_target.h" |
Mike J. Chen | 5cd8bff | 2014-01-31 18:16:59 -0800 | [diff] [blame] | 26 | #include "bt_utils.h" |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 27 | |
| 28 | #if BLE_INCLUDED == TRUE |
| 29 | #include <string.h> |
| 30 | #include "gatt_int.h" |
| 31 | #include "l2c_api.h" |
Priti Aghera | 636d671 | 2014-12-18 13:55:48 -0800 | [diff] [blame] | 32 | #include "l2c_int.h" |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 33 | #define GATT_MTU_REQ_MIN_LEN 2 |
| 34 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 35 | |
| 36 | /******************************************************************************* |
| 37 | ** |
| 38 | ** Function gatt_sr_enqueue_cmd |
| 39 | ** |
| 40 | ** Description This function enqueue the request from client which needs a |
| 41 | ** application response, and update the transaction ID. |
| 42 | ** |
| 43 | ** Returns void |
| 44 | ** |
| 45 | *******************************************************************************/ |
| 46 | UINT32 gatt_sr_enqueue_cmd (tGATT_TCB *p_tcb, UINT8 op_code, UINT16 handle) |
| 47 | { |
| 48 | tGATT_SR_CMD *p_cmd = &p_tcb->sr_cmd; |
| 49 | UINT32 trans_id = 0; |
| 50 | |
| 51 | if ( (p_cmd->op_code == 0) || |
| 52 | (op_code == GATT_HANDLE_VALUE_CONF)) /* no pending request */ |
| 53 | { |
| 54 | if (op_code == GATT_CMD_WRITE || |
| 55 | op_code == GATT_SIGN_CMD_WRITE || |
| 56 | op_code == GATT_REQ_MTU || |
| 57 | op_code == GATT_HANDLE_VALUE_CONF) |
| 58 | { |
| 59 | trans_id = ++p_tcb->trans_id; |
| 60 | } |
| 61 | else |
| 62 | { |
| 63 | p_cmd->trans_id = ++p_tcb->trans_id; |
| 64 | p_cmd->op_code = op_code; |
| 65 | p_cmd->handle = handle; |
| 66 | p_cmd->status = GATT_NOT_FOUND; |
| 67 | p_tcb->trans_id %= GATT_TRANS_ID_MAX; |
| 68 | trans_id = p_cmd->trans_id; |
| 69 | } |
| 70 | } |
| 71 | |
| 72 | return trans_id; |
| 73 | } |
| 74 | |
| 75 | /******************************************************************************* |
| 76 | ** |
| 77 | ** Function gatt_sr_cmd_empty |
| 78 | ** |
| 79 | ** Description This function check the server command queue is empty or not. |
| 80 | ** |
| 81 | ** Returns TRUE if empty, FALSE if there is pending command. |
| 82 | ** |
| 83 | *******************************************************************************/ |
| 84 | BOOLEAN gatt_sr_cmd_empty (tGATT_TCB *p_tcb) |
| 85 | { |
| 86 | return(p_tcb->sr_cmd.op_code == 0); |
| 87 | } |
| 88 | |
| 89 | /******************************************************************************* |
| 90 | ** |
| 91 | ** Function gatt_dequeue_sr_cmd |
| 92 | ** |
| 93 | ** Description This function dequeue the request from command queue. |
| 94 | ** |
| 95 | ** Returns void |
| 96 | ** |
| 97 | *******************************************************************************/ |
| 98 | void gatt_dequeue_sr_cmd (tGATT_TCB *p_tcb) |
| 99 | { |
| 100 | /* Double check in case any buffers are queued */ |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 101 | GATT_TRACE_DEBUG("gatt_dequeue_sr_cmd" ); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 102 | if (p_tcb->sr_cmd.p_rsp_msg) |
| 103 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 104 | GATT_TRACE_ERROR("free p_tcb->sr_cmd.p_rsp_msg = %d", p_tcb->sr_cmd.p_rsp_msg); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 105 | |
| 106 | GKI_freebuf (p_tcb->sr_cmd.p_rsp_msg); |
| 107 | } |
| 108 | |
Chris Manton | fe7216c | 2014-05-06 10:35:42 -0700 | [diff] [blame] | 109 | while (GKI_getfirst(&p_tcb->sr_cmd.multi_rsp_q)) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 110 | GKI_freebuf (GKI_dequeue (&p_tcb->sr_cmd.multi_rsp_q)); |
| 111 | memset( &p_tcb->sr_cmd, 0, sizeof(tGATT_SR_CMD)); |
| 112 | } |
| 113 | |
| 114 | /******************************************************************************* |
| 115 | ** |
| 116 | ** Function process_read_multi_rsp |
| 117 | ** |
| 118 | ** Description This function check the read multiple response. |
| 119 | ** |
| 120 | ** Returns BOOLEAN if all replies have been received |
| 121 | ** |
| 122 | *******************************************************************************/ |
| 123 | static BOOLEAN process_read_multi_rsp (tGATT_SR_CMD *p_cmd, tGATT_STATUS status, |
| 124 | tGATTS_RSP *p_msg, UINT16 mtu) |
| 125 | { |
Lai Wei-Chih | 7175f55 | 2014-09-19 15:39:49 +0800 | [diff] [blame] | 126 | tGATTS_RSP *p_rsp = NULL; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 127 | UINT16 ii, total_len, len; |
| 128 | BT_HDR *p_buf = (BT_HDR *)GKI_getbuf((UINT16)sizeof(tGATTS_RSP)); |
| 129 | UINT8 *p; |
| 130 | BOOLEAN is_overflow = FALSE; |
| 131 | |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 132 | GATT_TRACE_DEBUG ("process_read_multi_rsp status=%d mtu=%d", status, mtu); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 133 | |
| 134 | if (p_buf == NULL) |
| 135 | { |
| 136 | p_cmd->status = GATT_INSUF_RESOURCE; |
| 137 | return FALSE; |
| 138 | } |
| 139 | |
| 140 | /* Enqueue the response */ |
| 141 | memcpy((void *)p_buf, (const void *)p_msg, sizeof(tGATTS_RSP)); |
| 142 | GKI_enqueue (&p_cmd->multi_rsp_q, p_buf); |
| 143 | |
| 144 | p_cmd->status = status; |
| 145 | if (status == GATT_SUCCESS) |
| 146 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 147 | GATT_TRACE_DEBUG ("Multi read count=%d num_hdls=%d", |
Chris Manton | fe7216c | 2014-05-06 10:35:42 -0700 | [diff] [blame] | 148 | GKI_queue_length(&p_cmd->multi_rsp_q), p_cmd->multi_req.num_handles); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 149 | /* Wait till we get all the responses */ |
Chris Manton | fe7216c | 2014-05-06 10:35:42 -0700 | [diff] [blame] | 150 | if (GKI_queue_length(&p_cmd->multi_rsp_q) == p_cmd->multi_req.num_handles) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 151 | { |
| 152 | len = sizeof(BT_HDR) + L2CAP_MIN_OFFSET + mtu; |
| 153 | if ((p_buf = (BT_HDR *)GKI_getbuf(len)) == NULL) |
| 154 | { |
| 155 | p_cmd->status = GATT_INSUF_RESOURCE; |
| 156 | return(TRUE); |
| 157 | } |
| 158 | |
| 159 | memset(p_buf, 0, len); |
| 160 | p_buf->offset = L2CAP_MIN_OFFSET; |
| 161 | p = (UINT8 *)(p_buf + 1) + p_buf->offset; |
| 162 | |
| 163 | /* First byte in the response is the opcode */ |
| 164 | *p++ = GATT_RSP_READ_MULTI; |
| 165 | p_buf->len = 1; |
| 166 | |
| 167 | /* Now walk through the buffers puting the data into the response in order */ |
| 168 | for (ii = 0; ii < p_cmd->multi_req.num_handles; ii++) |
| 169 | { |
| 170 | if (ii==0) |
| 171 | { |
| 172 | p_rsp = (tGATTS_RSP *)GKI_getfirst (&p_cmd->multi_rsp_q); |
| 173 | } |
| 174 | else |
| 175 | { |
| 176 | p_rsp = (tGATTS_RSP *)GKI_getnext (p_rsp); |
| 177 | } |
| 178 | |
| 179 | if (p_rsp != NULL) |
| 180 | { |
| 181 | |
| 182 | total_len = (p_buf->len + p_rsp->attr_value.len); |
| 183 | |
| 184 | if (total_len > mtu) |
| 185 | { |
| 186 | /* just send the partial response for the overflow case */ |
| 187 | len = p_rsp->attr_value.len - (total_len - mtu); |
| 188 | is_overflow = TRUE; |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 189 | GATT_TRACE_DEBUG ("multi read overflow available len=%d val_len=%d", len, p_rsp->attr_value.len ); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 190 | } |
| 191 | else |
| 192 | { |
| 193 | len = p_rsp->attr_value.len; |
| 194 | } |
| 195 | |
| 196 | if (p_rsp->attr_value.handle == p_cmd->multi_req.handles[ii]) |
| 197 | { |
| 198 | memcpy (p, p_rsp->attr_value.value, len); |
| 199 | if (!is_overflow) |
| 200 | p += len; |
| 201 | p_buf->len += len; |
| 202 | } |
| 203 | else |
| 204 | { |
| 205 | p_cmd->status = GATT_NOT_FOUND; |
| 206 | break; |
| 207 | } |
| 208 | |
| 209 | if (is_overflow) |
| 210 | break; |
| 211 | |
| 212 | } |
| 213 | else |
| 214 | { |
| 215 | p_cmd->status = GATT_NOT_FOUND; |
| 216 | break; |
| 217 | } |
| 218 | |
| 219 | } /* loop through all handles*/ |
| 220 | |
| 221 | |
| 222 | /* Sanity check on the buffer length */ |
| 223 | if (p_buf->len == 0) |
| 224 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 225 | GATT_TRACE_ERROR("process_read_multi_rsp - nothing found!!"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 226 | p_cmd->status = GATT_NOT_FOUND; |
| 227 | GKI_freebuf (p_buf); |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 228 | GATT_TRACE_DEBUG(" GKI_freebuf (p_buf)"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 229 | } |
| 230 | else if (p_cmd->p_rsp_msg != NULL) |
| 231 | { |
| 232 | GKI_freebuf (p_buf); |
| 233 | } |
| 234 | else |
| 235 | { |
| 236 | p_cmd->p_rsp_msg = p_buf; |
| 237 | } |
| 238 | |
| 239 | return(TRUE); |
| 240 | } |
| 241 | } |
| 242 | else /* any handle read exception occurs, return error */ |
| 243 | { |
| 244 | return(TRUE); |
| 245 | } |
| 246 | |
| 247 | /* If here, still waiting */ |
| 248 | return(FALSE); |
| 249 | } |
| 250 | |
| 251 | /******************************************************************************* |
| 252 | ** |
| 253 | ** Function gatt_sr_process_app_rsp |
| 254 | ** |
| 255 | ** Description This function checks whether the response message from application |
| 256 | ** match any pending request or not. |
| 257 | ** |
| 258 | ** Returns void |
| 259 | ** |
| 260 | *******************************************************************************/ |
| 261 | tGATT_STATUS gatt_sr_process_app_rsp (tGATT_TCB *p_tcb, tGATT_IF gatt_if, |
| 262 | UINT32 trans_id, UINT8 op_code, |
| 263 | tGATT_STATUS status, tGATTS_RSP *p_msg) |
| 264 | { |
| 265 | tGATT_STATUS ret_code = GATT_SUCCESS; |
Mike J. Chen | 5cd8bff | 2014-01-31 18:16:59 -0800 | [diff] [blame] | 266 | UNUSED(trans_id); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 267 | |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 268 | GATT_TRACE_DEBUG("gatt_sr_process_app_rsp gatt_if=%d", gatt_if); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 269 | |
| 270 | gatt_sr_update_cback_cnt(p_tcb, gatt_if, FALSE, FALSE); |
| 271 | |
| 272 | if (op_code == GATT_REQ_READ_MULTI) |
| 273 | { |
| 274 | /* If no error and still waiting, just return */ |
| 275 | if (!process_read_multi_rsp (&p_tcb->sr_cmd, status, p_msg, p_tcb->payload_size)) |
| 276 | return(GATT_SUCCESS); |
| 277 | } |
| 278 | else |
| 279 | { |
| 280 | if (op_code == GATT_REQ_PREPARE_WRITE && status == GATT_SUCCESS) |
| 281 | gatt_sr_update_prep_cnt(p_tcb, gatt_if, TRUE, FALSE); |
| 282 | |
| 283 | if (op_code == GATT_REQ_EXEC_WRITE && status != GATT_SUCCESS) |
| 284 | gatt_sr_reset_cback_cnt(p_tcb); |
| 285 | |
| 286 | p_tcb->sr_cmd.status = status; |
| 287 | |
| 288 | if (gatt_sr_is_cback_cnt_zero(p_tcb) |
| 289 | && status == GATT_SUCCESS) |
| 290 | { |
| 291 | if (p_tcb->sr_cmd.p_rsp_msg == NULL) |
| 292 | { |
| 293 | p_tcb->sr_cmd.p_rsp_msg = attp_build_sr_msg (p_tcb, (UINT8)(op_code + 1), (tGATT_SR_MSG *)p_msg); |
| 294 | } |
| 295 | else |
| 296 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 297 | GATT_TRACE_ERROR("Exception!!! already has respond message"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 298 | } |
| 299 | } |
| 300 | } |
| 301 | if (gatt_sr_is_cback_cnt_zero(p_tcb)) |
| 302 | { |
| 303 | if ( (p_tcb->sr_cmd.status == GATT_SUCCESS) && (p_tcb->sr_cmd.p_rsp_msg) ) |
| 304 | { |
| 305 | ret_code = attp_send_sr_msg (p_tcb, p_tcb->sr_cmd.p_rsp_msg); |
| 306 | p_tcb->sr_cmd.p_rsp_msg = NULL; |
| 307 | } |
| 308 | else |
| 309 | { |
| 310 | ret_code = gatt_send_error_rsp (p_tcb, status, op_code, p_tcb->sr_cmd.handle, FALSE); |
| 311 | } |
| 312 | |
| 313 | gatt_dequeue_sr_cmd(p_tcb); |
| 314 | } |
| 315 | |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 316 | GATT_TRACE_DEBUG("gatt_sr_process_app_rsp ret_code=%d", ret_code); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 317 | |
| 318 | return ret_code; |
| 319 | } |
| 320 | |
| 321 | /******************************************************************************* |
| 322 | ** |
| 323 | ** Function gatt_process_exec_write_req |
| 324 | ** |
| 325 | ** Description This function is called to process the execute write request |
| 326 | ** from client. |
| 327 | ** |
| 328 | ** Returns void |
| 329 | ** |
| 330 | *******************************************************************************/ |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 331 | void gatt_process_exec_write_req (tGATT_TCB *p_tcb, UINT8 op_code, UINT16 len, UINT8 *p_data) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 332 | { |
| 333 | UINT8 *p = p_data, flag, i = 0; |
| 334 | UINT32 trans_id = 0; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 335 | tGATT_IF gatt_if; |
| 336 | UINT16 conn_id; |
| 337 | |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 338 | UNUSED(len); |
| 339 | |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 340 | #if GATT_CONFORMANCE_TESTING == TRUE |
| 341 | if (gatt_cb.enable_err_rsp && gatt_cb.req_op_code == op_code) |
| 342 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 343 | GATT_TRACE_DEBUG("Conformance tst: forced err rspv for Execute Write: error status=%d", |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 344 | gatt_cb.err_status); |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 345 | |
Andre Eisenbach | 6975b4d | 2013-08-05 16:55:38 -0700 | [diff] [blame] | 346 | gatt_send_error_rsp (p_tcb, gatt_cb.err_status, gatt_cb.req_op_code, gatt_cb.handle, FALSE); |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 347 | |
| 348 | return; |
| 349 | } |
| 350 | #endif |
| 351 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 352 | STREAM_TO_UINT8(flag, p); |
| 353 | |
| 354 | /* mask the flag */ |
| 355 | flag &= GATT_PREP_WRITE_EXEC; |
| 356 | |
| 357 | |
| 358 | /* no prep write is queued */ |
| 359 | if (!gatt_sr_is_prep_cnt_zero(p_tcb)) |
| 360 | { |
| 361 | trans_id = gatt_sr_enqueue_cmd(p_tcb, op_code, 0); |
| 362 | gatt_sr_copy_prep_cnt_to_cback_cnt(p_tcb); |
| 363 | |
| 364 | for (i=0; i<GATT_MAX_APPS; i++) |
| 365 | { |
| 366 | if (p_tcb->prep_cnt[i]) |
| 367 | { |
| 368 | gatt_if = (tGATT_IF) (i+1); |
| 369 | conn_id = GATT_CREATE_CONN_ID(p_tcb->tcb_idx, gatt_if); |
| 370 | gatt_sr_send_req_callback(conn_id, |
| 371 | trans_id, |
| 372 | GATTS_REQ_TYPE_WRITE_EXEC, |
| 373 | (tGATTS_DATA *)&flag); |
| 374 | p_tcb->prep_cnt[i]= 0; |
| 375 | } |
| 376 | } |
| 377 | } |
| 378 | else /* nothing needs to be executed , send response now */ |
| 379 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 380 | GATT_TRACE_ERROR("gatt_process_exec_write_req: no prepare write pending"); |
Mudumba Ananth | cf31033 | 2014-07-04 03:45:11 -0700 | [diff] [blame] | 381 | gatt_send_error_rsp(p_tcb, GATT_ERROR, GATT_REQ_EXEC_WRITE, 0, FALSE); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 382 | } |
| 383 | } |
| 384 | |
| 385 | /******************************************************************************* |
| 386 | ** |
| 387 | ** Function gatt_process_read_multi_req |
| 388 | ** |
| 389 | ** Description This function is called to process the read multiple request |
| 390 | ** from client. |
| 391 | ** |
| 392 | ** Returns void |
| 393 | ** |
| 394 | *******************************************************************************/ |
| 395 | void gatt_process_read_multi_req (tGATT_TCB *p_tcb, UINT8 op_code, UINT16 len, UINT8 *p_data) |
| 396 | { |
| 397 | UINT32 trans_id; |
Andre Eisenbach | 6975b4d | 2013-08-05 16:55:38 -0700 | [diff] [blame] | 398 | UINT16 handle = 0, ll = len; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 399 | UINT8 *p = p_data, i_rcb; |
| 400 | tGATT_STATUS err = GATT_SUCCESS; |
| 401 | UINT8 sec_flag, key_size; |
| 402 | tGATTS_RSP *p_msg; |
| 403 | |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 404 | GATT_TRACE_DEBUG("gatt_process_read_multi_req" ); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 405 | p_tcb->sr_cmd.multi_req.num_handles = 0; |
| 406 | |
| 407 | gatt_sr_get_sec_info(p_tcb->peer_bda, |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 408 | p_tcb->transport, |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 409 | &sec_flag, |
| 410 | &key_size); |
| 411 | |
| 412 | #if GATT_CONFORMANCE_TESTING == TRUE |
| 413 | if (gatt_cb.enable_err_rsp && gatt_cb.req_op_code == op_code) |
| 414 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 415 | GATT_TRACE_DEBUG("Conformance tst: forced err rspvofr ReadMultiple: error status=%d", gatt_cb.err_status); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 416 | |
| 417 | STREAM_TO_UINT16(handle, p); |
| 418 | |
| 419 | gatt_send_error_rsp (p_tcb, gatt_cb.err_status, gatt_cb.req_op_code, handle, FALSE); |
| 420 | |
| 421 | return; |
| 422 | } |
| 423 | #endif |
| 424 | |
| 425 | while (ll >= 2 && p_tcb->sr_cmd.multi_req.num_handles < GATT_MAX_READ_MULTI_HANDLES) |
| 426 | { |
| 427 | STREAM_TO_UINT16(handle, p); |
| 428 | |
| 429 | if ((i_rcb = gatt_sr_find_i_rcb_by_handle(handle)) < GATT_MAX_SR_PROFILES) |
| 430 | { |
| 431 | p_tcb->sr_cmd.multi_req.handles[p_tcb->sr_cmd.multi_req.num_handles++] = handle; |
| 432 | |
| 433 | /* check read permission */ |
| 434 | if ((err = gatts_read_attr_perm_check( gatt_cb.sr_reg[i_rcb].p_db, |
| 435 | FALSE, |
| 436 | handle, |
| 437 | sec_flag, |
| 438 | key_size)) |
| 439 | != GATT_SUCCESS) |
| 440 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 441 | GATT_TRACE_DEBUG("read permission denied : 0x%02x", err); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 442 | break; |
| 443 | } |
| 444 | } |
| 445 | else |
| 446 | { |
| 447 | /* invalid handle */ |
| 448 | err = GATT_INVALID_HANDLE; |
| 449 | break; |
| 450 | } |
| 451 | ll -= 2; |
| 452 | } |
| 453 | |
| 454 | if (ll != 0) |
| 455 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 456 | GATT_TRACE_ERROR("max attribute handle reached in ReadMultiple Request."); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 457 | } |
| 458 | |
| 459 | if (p_tcb->sr_cmd.multi_req.num_handles == 0) |
| 460 | err = GATT_INVALID_HANDLE; |
| 461 | |
| 462 | if (err == GATT_SUCCESS) |
| 463 | { |
| 464 | if ((trans_id = gatt_sr_enqueue_cmd (p_tcb, op_code, p_tcb->sr_cmd.multi_req.handles[0])) != 0) |
| 465 | { |
| 466 | gatt_sr_reset_cback_cnt(p_tcb); /* read multiple use multi_rsp_q's count*/ |
| 467 | |
| 468 | for (ll = 0; ll < p_tcb->sr_cmd.multi_req.num_handles; ll ++) |
| 469 | { |
| 470 | if ((p_msg = (tGATTS_RSP *)GKI_getbuf(sizeof(tGATTS_RSP))) != NULL) |
| 471 | { |
| 472 | memset(p_msg, 0, sizeof(tGATTS_RSP)) |
| 473 | ; |
| 474 | handle = p_tcb->sr_cmd.multi_req.handles[ll]; |
| 475 | i_rcb = gatt_sr_find_i_rcb_by_handle(handle); |
| 476 | |
| 477 | p_msg->attr_value.handle = handle; |
| 478 | err = gatts_read_attr_value_by_handle(p_tcb, |
| 479 | gatt_cb.sr_reg[i_rcb].p_db, |
| 480 | op_code, |
| 481 | handle, |
| 482 | 0, |
| 483 | p_msg->attr_value.value, |
| 484 | &p_msg->attr_value.len, |
| 485 | GATT_MAX_ATTR_LEN, |
| 486 | sec_flag, |
| 487 | key_size, |
| 488 | trans_id); |
| 489 | |
| 490 | if (err == GATT_SUCCESS) |
| 491 | { |
| 492 | gatt_sr_process_app_rsp(p_tcb, gatt_cb.sr_reg[i_rcb].gatt_if ,trans_id, op_code, GATT_SUCCESS, p_msg); |
| 493 | } |
| 494 | /* either not using or done using the buffer, release it now */ |
| 495 | GKI_freebuf(p_msg); |
| 496 | } |
| 497 | else |
| 498 | { |
| 499 | err = GATT_NO_RESOURCES; |
| 500 | gatt_dequeue_sr_cmd(p_tcb); |
| 501 | break; |
| 502 | } |
| 503 | } |
| 504 | } |
| 505 | else |
| 506 | err = GATT_NO_RESOURCES; |
| 507 | } |
| 508 | |
| 509 | /* in theroy BUSY is not possible(should already been checked), protected check */ |
| 510 | if (err != GATT_SUCCESS && err != GATT_PENDING && err != GATT_BUSY) |
| 511 | gatt_send_error_rsp(p_tcb, err, op_code, handle, FALSE); |
| 512 | } |
| 513 | |
| 514 | /******************************************************************************* |
| 515 | ** |
| 516 | ** Function gatt_build_primary_service_rsp |
| 517 | ** |
| 518 | ** Description Primamry service request processed internally. Theretically |
| 519 | ** only deal with ReadByTypeVAlue and ReadByGroupType. |
| 520 | ** |
| 521 | ** Returns void |
| 522 | ** |
| 523 | *******************************************************************************/ |
| 524 | static tGATT_STATUS gatt_build_primary_service_rsp (BT_HDR *p_msg, tGATT_TCB *p_tcb, |
| 525 | UINT8 op_code, UINT16 s_hdl, |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 526 | UINT16 e_hdl, UINT8 *p_data, tBT_UUID value) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 527 | { |
| 528 | tGATT_STATUS status = GATT_NOT_FOUND; |
| 529 | UINT8 handle_len =4, *p ; |
| 530 | tGATT_SR_REG *p_rcb; |
| 531 | tGATT_SRV_LIST_INFO *p_list= &gatt_cb.srv_list_info; |
| 532 | tGATT_SRV_LIST_ELEM *p_srv=NULL; |
| 533 | tBT_UUID *p_uuid; |
| 534 | |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 535 | UNUSED(p_data); |
| 536 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 537 | p = (UINT8 *)(p_msg + 1) + L2CAP_MIN_OFFSET; |
| 538 | |
| 539 | p_srv = p_list->p_first; |
| 540 | |
| 541 | while (p_srv) |
| 542 | { |
| 543 | p_rcb = GATT_GET_SR_REG_PTR(p_srv->i_sreg); |
| 544 | |
| 545 | if (p_rcb->in_use && |
| 546 | p_rcb->s_hdl >= s_hdl && |
| 547 | p_rcb->s_hdl <= e_hdl && |
| 548 | p_rcb->type == GATT_UUID_PRI_SERVICE) |
| 549 | { |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 550 | if ((p_uuid = gatts_get_service_uuid (p_rcb->p_db)) != NULL) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 551 | { |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 552 | if (op_code == GATT_REQ_READ_BY_GRP_TYPE) |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 553 | handle_len = 4 + p_uuid->len; |
| 554 | |
| 555 | /* get the length byte in the repsonse */ |
| 556 | if (p_msg->offset ==0) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 557 | { |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 558 | *p ++ = op_code + 1; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 559 | p_msg->len ++; |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 560 | p_msg->offset = handle_len; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 561 | |
| 562 | if (op_code == GATT_REQ_READ_BY_GRP_TYPE) |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 563 | { |
| 564 | *p ++ = (UINT8)p_msg->offset; /* length byte */ |
| 565 | p_msg->len ++; |
| 566 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 567 | } |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 568 | |
| 569 | if (p_msg->len + p_msg->offset <= p_tcb->payload_size && |
| 570 | handle_len == p_msg->offset) |
| 571 | { |
| 572 | if (op_code != GATT_REQ_FIND_TYPE_VALUE || |
| 573 | gatt_uuid_compare(value, *p_uuid)) |
| 574 | { |
| 575 | UINT16_TO_STREAM(p, p_rcb->s_hdl); |
| 576 | |
| 577 | if (p_list->p_last_primary == p_srv && |
| 578 | p_list->p_last_primary == p_list->p_last) |
| 579 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 580 | GATT_TRACE_DEBUG("Use 0xFFFF for the last primary attribute"); |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 581 | UINT16_TO_STREAM(p, 0xFFFF); /* see GATT ERRATA 4065, 4063, ATT ERRATA 4062 */ |
| 582 | } |
| 583 | else |
| 584 | { |
| 585 | UINT16_TO_STREAM(p, p_rcb->e_hdl); |
| 586 | } |
| 587 | |
| 588 | if (op_code == GATT_REQ_READ_BY_GRP_TYPE) |
| 589 | gatt_build_uuid_to_stream(&p, *p_uuid); |
| 590 | |
| 591 | status = GATT_SUCCESS; |
| 592 | p_msg->len += p_msg->offset; |
| 593 | } |
| 594 | } |
| 595 | else |
| 596 | break; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 597 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 598 | } |
| 599 | p_srv = p_srv->p_next; |
| 600 | } |
| 601 | p_msg->offset = L2CAP_MIN_OFFSET; |
| 602 | |
| 603 | return status; |
| 604 | } |
| 605 | |
| 606 | /******************************************************************************* |
| 607 | ** |
| 608 | ** Function gatt_build_find_info_rsp |
| 609 | ** |
| 610 | ** Description fill the find information response information in the given |
| 611 | ** buffer. |
| 612 | ** |
| 613 | ** Returns TRUE: if data filled sucessfully. |
| 614 | ** FALSE: packet full, or format mismatch. |
| 615 | ** |
| 616 | *******************************************************************************/ |
| 617 | static tGATT_STATUS gatt_build_find_info_rsp(tGATT_SR_REG *p_rcb, BT_HDR *p_msg, UINT16 *p_len, |
| 618 | UINT16 s_hdl, UINT16 e_hdl) |
| 619 | { |
| 620 | tGATT_STATUS status = GATT_NOT_FOUND; |
| 621 | UINT8 *p; |
| 622 | UINT16 len = *p_len; |
| 623 | tGATT_ATTR16 *p_attr = NULL; |
| 624 | UINT8 info_pair_len[2] = {4, 18}; |
| 625 | |
| 626 | if (!p_rcb->p_db || !p_rcb->p_db->p_attr_list) |
| 627 | return status; |
| 628 | |
| 629 | /* check the attribute database */ |
| 630 | p_attr = (tGATT_ATTR16 *) p_rcb->p_db->p_attr_list; |
| 631 | |
| 632 | p = (UINT8 *)(p_msg + 1) + L2CAP_MIN_OFFSET + p_msg->len; |
| 633 | |
| 634 | while (p_attr) |
| 635 | { |
| 636 | if (p_attr->handle > e_hdl) |
| 637 | { |
| 638 | break; |
| 639 | } |
| 640 | |
| 641 | if (p_attr->handle >= s_hdl) |
| 642 | { |
| 643 | if (p_msg->offset == 0) |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 644 | p_msg->offset = (p_attr->uuid_type == GATT_ATTR_UUID_TYPE_16) ? GATT_INFO_TYPE_PAIR_16 : GATT_INFO_TYPE_PAIR_128; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 645 | |
| 646 | if (len >= info_pair_len[p_msg->offset - 1]) |
| 647 | { |
| 648 | if (p_msg->offset == GATT_INFO_TYPE_PAIR_16 && p_attr->uuid_type == GATT_ATTR_UUID_TYPE_16) |
| 649 | { |
| 650 | UINT16_TO_STREAM(p, p_attr->handle); |
| 651 | UINT16_TO_STREAM(p, p_attr->uuid); |
| 652 | } |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 653 | else if (p_msg->offset == GATT_INFO_TYPE_PAIR_128 && p_attr->uuid_type == GATT_ATTR_UUID_TYPE_128 ) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 654 | { |
| 655 | UINT16_TO_STREAM(p, p_attr->handle); |
| 656 | ARRAY_TO_STREAM (p, ((tGATT_ATTR128 *) p_attr)->uuid, LEN_UUID_128); |
| 657 | } |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 658 | else if (p_msg->offset == GATT_INFO_TYPE_PAIR_128 && p_attr->uuid_type == GATT_ATTR_UUID_TYPE_32) |
| 659 | { |
| 660 | UINT16_TO_STREAM(p, p_attr->handle); |
| 661 | gatt_convert_uuid32_to_uuid128(p, ((tGATT_ATTR32 *) p_attr)->uuid); |
| 662 | p += LEN_UUID_128; |
| 663 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 664 | else |
| 665 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 666 | GATT_TRACE_ERROR("format mismatch"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 667 | status = GATT_NO_RESOURCES; |
| 668 | break; |
| 669 | /* format mismatch */ |
| 670 | } |
| 671 | p_msg->len += info_pair_len[p_msg->offset - 1]; |
| 672 | len -= info_pair_len[p_msg->offset - 1]; |
| 673 | status = GATT_SUCCESS; |
| 674 | |
| 675 | } |
| 676 | else |
| 677 | { |
| 678 | status = GATT_NO_RESOURCES; |
| 679 | break; |
| 680 | } |
| 681 | } |
| 682 | p_attr = (tGATT_ATTR16 *)p_attr->p_next; |
| 683 | } |
| 684 | |
| 685 | *p_len = len; |
| 686 | return status; |
| 687 | } |
| 688 | |
| 689 | /******************************************************************************* |
| 690 | ** |
| 691 | ** Function gatts_internal_read_by_type_req |
| 692 | ** |
| 693 | ** Description check to see if the ReadByType request can be handled internally. |
| 694 | ** |
| 695 | ** Returns void |
| 696 | ** |
| 697 | *******************************************************************************/ |
| 698 | static tGATT_STATUS gatts_validate_packet_format(UINT8 op_code, UINT16 *p_len, |
| 699 | UINT8 **p_data, tBT_UUID *p_uuid_filter, |
| 700 | UINT16 *p_s_hdl, UINT16 *p_e_hdl) |
| 701 | { |
| 702 | tGATT_STATUS reason = GATT_SUCCESS; |
| 703 | UINT16 uuid_len, s_hdl = 0, e_hdl = 0; |
| 704 | UINT16 len = *p_len; |
| 705 | UINT8 *p = *p_data; |
| 706 | |
| 707 | if (len >= 4) |
| 708 | { |
| 709 | /* obtain starting handle, and ending handle */ |
| 710 | STREAM_TO_UINT16(s_hdl, p); |
| 711 | STREAM_TO_UINT16(e_hdl, p); |
| 712 | len -= 4; |
| 713 | |
| 714 | if (s_hdl > e_hdl || !GATT_HANDLE_IS_VALID(s_hdl) || !GATT_HANDLE_IS_VALID(e_hdl)) |
| 715 | { |
| 716 | reason = GATT_INVALID_HANDLE; |
| 717 | } |
| 718 | /* for these PDUs, uuid filter must present */ |
| 719 | else if (op_code == GATT_REQ_READ_BY_GRP_TYPE || |
| 720 | op_code == GATT_REQ_FIND_TYPE_VALUE || |
| 721 | op_code == GATT_REQ_READ_BY_TYPE) |
| 722 | { |
| 723 | if (len >= 2 && p_uuid_filter != NULL) |
| 724 | { |
| 725 | uuid_len = (op_code == GATT_REQ_FIND_TYPE_VALUE) ? 2 : len; |
| 726 | |
| 727 | /* parse uuid now */ |
| 728 | if (gatt_parse_uuid_from_cmd (p_uuid_filter, uuid_len, &p) == FALSE || |
| 729 | p_uuid_filter->len == 0) |
| 730 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 731 | GATT_TRACE_DEBUG("UUID filter does not exsit"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 732 | reason = GATT_INVALID_PDU; |
| 733 | } |
| 734 | else |
| 735 | len -= p_uuid_filter->len; |
| 736 | } |
| 737 | else |
| 738 | reason = GATT_INVALID_PDU; |
| 739 | } |
| 740 | } |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 741 | else |
| 742 | reason = GATT_INVALID_PDU; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 743 | |
| 744 | *p_data = p; |
| 745 | *p_len = len; |
| 746 | *p_s_hdl = s_hdl; |
| 747 | *p_e_hdl = e_hdl; |
| 748 | |
| 749 | return reason; |
| 750 | } |
| 751 | |
| 752 | /******************************************************************************* |
| 753 | ** |
| 754 | ** Function gatts_process_primary_service_req |
| 755 | ** |
| 756 | ** Description process ReadByGroupType/ReadByTypeValue request, for discover |
| 757 | ** all primary services or discover primary service by UUID request. |
| 758 | ** |
| 759 | ** Returns void |
| 760 | ** |
| 761 | *******************************************************************************/ |
| 762 | void gatts_process_primary_service_req(tGATT_TCB *p_tcb, UINT8 op_code, UINT16 len, UINT8 *p_data) |
| 763 | { |
| 764 | UINT8 reason = GATT_INVALID_PDU; |
| 765 | UINT16 s_hdl = 0, e_hdl = 0; |
| 766 | tBT_UUID uuid, value, primary_service = {LEN_UUID_16, {GATT_UUID_PRI_SERVICE}}; |
| 767 | BT_HDR *p_msg = NULL; |
| 768 | UINT16 msg_len = (UINT16)(sizeof(BT_HDR) + p_tcb->payload_size + L2CAP_MIN_OFFSET); |
| 769 | |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 770 | memset (&value, 0, sizeof(tBT_UUID)); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 771 | reason = gatts_validate_packet_format(op_code, &len, &p_data, &uuid, &s_hdl, &e_hdl); |
| 772 | |
| 773 | if (reason == GATT_SUCCESS) |
| 774 | { |
| 775 | if (gatt_uuid_compare(uuid, primary_service)) |
| 776 | { |
| 777 | if (op_code == GATT_REQ_FIND_TYPE_VALUE) |
| 778 | { |
| 779 | if (gatt_parse_uuid_from_cmd(&value, len, &p_data) == FALSE) |
| 780 | reason = GATT_INVALID_PDU; |
| 781 | } |
| 782 | |
| 783 | if (reason == GATT_SUCCESS) |
| 784 | { |
| 785 | if ((p_msg = (BT_HDR *)GKI_getbuf(msg_len)) == NULL) |
| 786 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 787 | GATT_TRACE_ERROR("gatts_process_primary_service_req failed. no resources."); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 788 | reason = GATT_NO_RESOURCES; |
| 789 | } |
| 790 | else |
| 791 | { |
| 792 | memset(p_msg, 0, msg_len); |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 793 | reason = gatt_build_primary_service_rsp (p_msg, p_tcb, op_code, s_hdl, e_hdl, p_data, value); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 794 | } |
| 795 | } |
| 796 | } |
| 797 | else |
| 798 | { |
| 799 | if (op_code == GATT_REQ_READ_BY_GRP_TYPE) |
| 800 | { |
| 801 | reason = GATT_UNSUPPORT_GRP_TYPE; |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 802 | GATT_TRACE_DEBUG("unexpected ReadByGrpType Group: 0x%04x", uuid.uu.uuid16); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 803 | } |
| 804 | else |
| 805 | { |
| 806 | /* we do not support ReadByTypeValue with any non-primamry_service type */ |
| 807 | reason = GATT_NOT_FOUND; |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 808 | GATT_TRACE_DEBUG("unexpected ReadByTypeValue type: 0x%04x", uuid.uu.uuid16); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 809 | } |
| 810 | } |
| 811 | } |
| 812 | |
| 813 | if (reason != GATT_SUCCESS) |
| 814 | { |
| 815 | if (p_msg) GKI_freebuf(p_msg); |
| 816 | gatt_send_error_rsp (p_tcb, reason, op_code, s_hdl, FALSE); |
| 817 | } |
| 818 | else |
| 819 | attp_send_sr_msg(p_tcb, p_msg); |
| 820 | |
| 821 | } |
| 822 | |
| 823 | /******************************************************************************* |
| 824 | ** |
| 825 | ** Function gatts_process_find_info |
| 826 | ** |
| 827 | ** Description process find information request, for discover character |
| 828 | ** descriptors. |
| 829 | ** |
| 830 | ** Returns void |
| 831 | ** |
| 832 | *******************************************************************************/ |
| 833 | static void gatts_process_find_info(tGATT_TCB *p_tcb, UINT8 op_code, UINT16 len, UINT8 *p_data) |
| 834 | { |
| 835 | UINT8 reason = GATT_INVALID_PDU, *p; |
| 836 | UINT16 s_hdl = 0, e_hdl = 0, buf_len; |
| 837 | BT_HDR *p_msg = NULL; |
| 838 | tGATT_SR_REG *p_rcb; |
| 839 | tGATT_SRV_LIST_INFO *p_list= &gatt_cb.srv_list_info; |
| 840 | tGATT_SRV_LIST_ELEM *p_srv=NULL; |
| 841 | |
| 842 | reason = gatts_validate_packet_format(op_code, &len, &p_data, NULL, &s_hdl, &e_hdl); |
| 843 | |
| 844 | if (reason == GATT_SUCCESS) |
| 845 | { |
| 846 | buf_len = (UINT16)(sizeof(BT_HDR) + p_tcb->payload_size + L2CAP_MIN_OFFSET); |
| 847 | |
| 848 | if ((p_msg = (BT_HDR *)GKI_getbuf(buf_len)) == NULL) |
| 849 | { |
| 850 | reason = GATT_NO_RESOURCES; |
| 851 | } |
| 852 | else |
| 853 | { |
| 854 | reason = GATT_NOT_FOUND; |
| 855 | |
| 856 | memset(p_msg, 0, buf_len); |
| 857 | p = (UINT8 *)(p_msg + 1) + L2CAP_MIN_OFFSET; |
| 858 | *p ++ = op_code + 1; |
| 859 | p_msg->len = 2; |
| 860 | |
| 861 | buf_len = p_tcb->payload_size - 2; |
| 862 | |
| 863 | p_srv = p_list->p_first; |
| 864 | |
| 865 | while (p_srv) |
| 866 | { |
| 867 | p_rcb = GATT_GET_SR_REG_PTR(p_srv->i_sreg); |
| 868 | |
| 869 | if (p_rcb->in_use && |
| 870 | !(p_rcb->s_hdl > e_hdl || |
| 871 | p_rcb->e_hdl < s_hdl)) |
| 872 | { |
| 873 | reason = gatt_build_find_info_rsp(p_rcb, p_msg, &buf_len, s_hdl, e_hdl); |
| 874 | if (reason == GATT_NO_RESOURCES) |
| 875 | { |
| 876 | reason = GATT_SUCCESS; |
| 877 | break; |
| 878 | } |
| 879 | } |
| 880 | p_srv = p_srv->p_next; |
| 881 | } |
| 882 | *p = (UINT8)p_msg->offset; |
| 883 | |
| 884 | p_msg->offset = L2CAP_MIN_OFFSET; |
| 885 | } |
| 886 | } |
| 887 | |
| 888 | if (reason != GATT_SUCCESS) |
| 889 | { |
| 890 | if (p_msg) GKI_freebuf(p_msg); |
| 891 | gatt_send_error_rsp (p_tcb, reason, op_code, s_hdl, FALSE); |
| 892 | } |
| 893 | else |
| 894 | attp_send_sr_msg(p_tcb, p_msg); |
| 895 | |
| 896 | } |
| 897 | |
| 898 | /******************************************************************************* |
| 899 | ** |
| 900 | ** Function gatts_process_mtu_req |
| 901 | ** |
| 902 | ** Description This function is called to process excahnge MTU request. |
| 903 | ** Only used on LE. |
| 904 | ** |
| 905 | ** Returns void |
| 906 | ** |
| 907 | *******************************************************************************/ |
| 908 | static void gatts_process_mtu_req (tGATT_TCB *p_tcb, UINT16 len, UINT8 *p_data) |
| 909 | { |
| 910 | UINT16 mtu = 0; |
| 911 | UINT8 *p = p_data, i; |
| 912 | BT_HDR *p_buf; |
| 913 | UINT16 conn_id; |
| 914 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 915 | /* BR/EDR conenction, send error response */ |
| 916 | if (p_tcb->att_lcid != L2CAP_ATT_CID) |
| 917 | { |
| 918 | gatt_send_error_rsp (p_tcb, GATT_REQ_NOT_SUPPORTED, GATT_REQ_MTU, 0, FALSE); |
| 919 | } |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 920 | else if (len < GATT_MTU_REQ_MIN_LEN) |
| 921 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 922 | GATT_TRACE_ERROR("invalid MTU request PDU received."); |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 923 | gatt_send_error_rsp (p_tcb, GATT_INVALID_PDU, GATT_REQ_MTU, 0, FALSE); |
| 924 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 925 | else |
| 926 | { |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 927 | STREAM_TO_UINT16 (mtu, p); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 928 | /* mtu must be greater than default MTU which is 23/48 */ |
Andre Eisenbach | 4b63869 | 2013-06-14 13:22:25 -0700 | [diff] [blame] | 929 | if (mtu < GATT_DEF_BLE_MTU_SIZE) |
| 930 | p_tcb->payload_size = GATT_DEF_BLE_MTU_SIZE; |
| 931 | else if (mtu > GATT_MAX_MTU_SIZE) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 932 | p_tcb->payload_size = GATT_MAX_MTU_SIZE; |
Andre Eisenbach | 4b63869 | 2013-06-14 13:22:25 -0700 | [diff] [blame] | 933 | else |
| 934 | p_tcb->payload_size = mtu; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 935 | |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 936 | GATT_TRACE_ERROR("MTU request PDU with MTU size %d", p_tcb->payload_size); |
Zhihai Xu | 52c0ccb | 2014-03-20 17:50:12 -0700 | [diff] [blame] | 937 | |
Priti Aghera | 636d671 | 2014-12-18 13:55:48 -0800 | [diff] [blame] | 938 | l2cble_set_fixed_channel_tx_data_length(p_tcb->peer_bda, L2CAP_ATT_CID, p_tcb->payload_size); |
| 939 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 940 | if ((p_buf = attp_build_sr_msg(p_tcb, GATT_RSP_MTU, (tGATT_SR_MSG *) &p_tcb->payload_size)) != NULL) |
| 941 | { |
| 942 | attp_send_sr_msg (p_tcb, p_buf); |
| 943 | |
| 944 | /* Notify all registered applicaiton with new MTU size. Us a transaction ID */ |
| 945 | /* of 0, as no response is allowed from applcations */ |
| 946 | |
| 947 | for (i = 0; i < GATT_MAX_APPS; i ++) |
| 948 | { |
| 949 | if (gatt_cb.cl_rcb[i].in_use ) |
| 950 | { |
| 951 | conn_id = GATT_CREATE_CONN_ID(p_tcb->tcb_idx, gatt_cb.cl_rcb[i].gatt_if); |
| 952 | gatt_sr_send_req_callback(conn_id, 0, GATTS_REQ_TYPE_MTU, |
| 953 | (tGATTS_DATA *)&p_tcb->payload_size); |
| 954 | } |
| 955 | } |
| 956 | |
| 957 | } |
| 958 | } |
| 959 | } |
| 960 | |
| 961 | /******************************************************************************* |
| 962 | ** |
| 963 | ** Function gatts_process_read_by_type_req |
| 964 | ** |
| 965 | ** Description process Read By type request. |
| 966 | ** This PDU can be used to perform: |
| 967 | ** - read characteristic value |
| 968 | ** - read characteristic descriptor value |
| 969 | ** - discover characteristic |
| 970 | ** - discover characteristic by UUID |
| 971 | ** - relationship discovery |
| 972 | ** |
| 973 | ** Returns void |
| 974 | ** |
| 975 | *******************************************************************************/ |
| 976 | void gatts_process_read_by_type_req(tGATT_TCB *p_tcb, UINT8 op_code, UINT16 len, UINT8 *p_data) |
| 977 | { |
| 978 | tBT_UUID uuid; |
| 979 | tGATT_SR_REG *p_rcb; |
| 980 | UINT16 msg_len = (UINT16)(sizeof(BT_HDR) + p_tcb->payload_size + L2CAP_MIN_OFFSET), |
| 981 | buf_len, |
| 982 | s_hdl, e_hdl, err_hdl = 0; |
| 983 | BT_HDR *p_msg = NULL; |
| 984 | tGATT_STATUS reason, ret; |
| 985 | UINT8 *p; |
| 986 | UINT8 sec_flag, key_size; |
| 987 | tGATT_SRV_LIST_INFO *p_list= &gatt_cb.srv_list_info; |
| 988 | tGATT_SRV_LIST_ELEM *p_srv=NULL; |
| 989 | |
| 990 | reason = gatts_validate_packet_format(op_code, &len, &p_data, &uuid, &s_hdl, &e_hdl); |
| 991 | |
| 992 | #if GATT_CONFORMANCE_TESTING == TRUE |
| 993 | if (gatt_cb.enable_err_rsp && gatt_cb.req_op_code == op_code) |
| 994 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 995 | GATT_TRACE_DEBUG("Conformance tst: forced err rsp for ReadByType: error status=%d", gatt_cb.err_status); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 996 | |
| 997 | gatt_send_error_rsp (p_tcb, gatt_cb.err_status, gatt_cb.req_op_code, s_hdl, FALSE); |
| 998 | |
| 999 | return; |
| 1000 | } |
| 1001 | #endif |
| 1002 | |
| 1003 | if (reason == GATT_SUCCESS) |
| 1004 | { |
| 1005 | if ((p_msg = (BT_HDR *)GKI_getbuf(msg_len)) == NULL) |
| 1006 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 1007 | GATT_TRACE_ERROR("gatts_process_find_info failed. no resources."); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1008 | |
| 1009 | reason = GATT_NO_RESOURCES; |
| 1010 | } |
| 1011 | else |
| 1012 | { |
| 1013 | memset(p_msg, 0, msg_len); |
| 1014 | p = (UINT8 *)(p_msg + 1) + L2CAP_MIN_OFFSET; |
| 1015 | |
| 1016 | *p ++ = op_code + 1; |
| 1017 | /* reserve length byte */ |
| 1018 | p_msg->len = 2; |
| 1019 | buf_len = p_tcb->payload_size - 2; |
| 1020 | |
| 1021 | reason = GATT_NOT_FOUND; |
| 1022 | |
| 1023 | p_srv = p_list->p_first; |
| 1024 | |
| 1025 | while (p_srv) |
| 1026 | { |
| 1027 | p_rcb = GATT_GET_SR_REG_PTR(p_srv->i_sreg); |
| 1028 | |
| 1029 | if (p_rcb->in_use && |
| 1030 | !(p_rcb->s_hdl > e_hdl || |
| 1031 | p_rcb->e_hdl < s_hdl)) |
| 1032 | { |
| 1033 | gatt_sr_get_sec_info(p_tcb->peer_bda, |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1034 | p_tcb->transport, |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1035 | &sec_flag, |
| 1036 | &key_size); |
| 1037 | |
| 1038 | ret = gatts_db_read_attr_value_by_type(p_tcb, |
| 1039 | p_rcb->p_db, |
| 1040 | op_code, |
| 1041 | p_msg, |
| 1042 | s_hdl, |
| 1043 | e_hdl, |
| 1044 | uuid, |
| 1045 | &buf_len, |
| 1046 | sec_flag, |
| 1047 | key_size, |
| 1048 | 0, |
| 1049 | &err_hdl); |
| 1050 | if (ret != GATT_NOT_FOUND) |
| 1051 | { |
| 1052 | reason = ret; |
| 1053 | |
| 1054 | if (ret == GATT_NO_RESOURCES) |
| 1055 | reason = GATT_SUCCESS; |
| 1056 | } |
| 1057 | if (ret != GATT_SUCCESS && ret != GATT_NOT_FOUND) |
| 1058 | { |
| 1059 | s_hdl = err_hdl; |
| 1060 | break; |
| 1061 | } |
| 1062 | } |
| 1063 | p_srv = p_srv->p_next; |
| 1064 | } |
| 1065 | *p = (UINT8)p_msg->offset; |
| 1066 | p_msg->offset = L2CAP_MIN_OFFSET; |
| 1067 | } |
| 1068 | } |
| 1069 | if (reason != GATT_SUCCESS) |
| 1070 | { |
| 1071 | if (p_msg) GKI_freebuf(p_msg); |
| 1072 | |
| 1073 | /* in theroy BUSY is not possible(should already been checked), protected check */ |
| 1074 | if (reason != GATT_PENDING && reason != GATT_BUSY) |
| 1075 | gatt_send_error_rsp (p_tcb, reason, op_code, s_hdl, FALSE); |
| 1076 | } |
| 1077 | else |
| 1078 | attp_send_sr_msg(p_tcb, p_msg); |
| 1079 | |
| 1080 | } |
| 1081 | |
| 1082 | /******************************************************************************* |
| 1083 | ** |
| 1084 | ** Function gatts_process_write_req |
| 1085 | ** |
| 1086 | ** Description This function is called to process the write request |
| 1087 | ** from client. |
| 1088 | ** |
| 1089 | ** Returns void |
| 1090 | ** |
| 1091 | *******************************************************************************/ |
| 1092 | void gatts_process_write_req (tGATT_TCB *p_tcb, UINT8 i_rcb, UINT16 handle, |
| 1093 | UINT8 op_code, UINT16 len, UINT8 *p_data) |
| 1094 | { |
| 1095 | tGATTS_DATA sr_data; |
| 1096 | UINT32 trans_id; |
| 1097 | tGATT_STATUS status; |
| 1098 | UINT8 sec_flag, key_size, *p = p_data; |
| 1099 | tGATT_SR_REG *p_sreg; |
| 1100 | UINT16 conn_id; |
| 1101 | |
| 1102 | memset(&sr_data, 0, sizeof(tGATTS_DATA)); |
| 1103 | |
| 1104 | switch (op_code) |
| 1105 | { |
| 1106 | case GATT_REQ_PREPARE_WRITE: |
| 1107 | sr_data.write_req.is_prep = TRUE; |
| 1108 | STREAM_TO_UINT16(sr_data.write_req.offset, p); |
| 1109 | len -= 2; |
| 1110 | /* fall through */ |
| 1111 | case GATT_SIGN_CMD_WRITE: |
| 1112 | if (op_code == GATT_SIGN_CMD_WRITE) |
| 1113 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 1114 | GATT_TRACE_DEBUG("Write CMD with data sigining" ); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1115 | len -= GATT_AUTH_SIGN_LEN; |
| 1116 | } |
| 1117 | /* fall through */ |
| 1118 | case GATT_CMD_WRITE: |
| 1119 | case GATT_REQ_WRITE: |
| 1120 | if (op_code == GATT_REQ_WRITE || op_code == GATT_REQ_PREPARE_WRITE) |
| 1121 | sr_data.write_req.need_rsp = TRUE; |
| 1122 | sr_data.write_req.handle = handle; |
| 1123 | sr_data.write_req.len = len; |
Satya Calloji | 444a8da | 2015-03-06 10:38:22 -0800 | [diff] [blame] | 1124 | if (len != 0 && p != NULL) |
| 1125 | { |
| 1126 | memcpy (sr_data.write_req.value, p, len); |
| 1127 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1128 | break; |
| 1129 | } |
| 1130 | |
| 1131 | gatt_sr_get_sec_info(p_tcb->peer_bda, |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1132 | p_tcb->transport, |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1133 | &sec_flag, |
| 1134 | &key_size); |
| 1135 | |
| 1136 | status = gatts_write_attr_perm_check (gatt_cb.sr_reg[i_rcb].p_db, |
| 1137 | op_code, |
| 1138 | handle, |
| 1139 | sr_data.write_req.offset, |
| 1140 | p, |
| 1141 | len, |
| 1142 | sec_flag, |
| 1143 | key_size); |
| 1144 | |
| 1145 | if (status == GATT_SUCCESS) |
| 1146 | { |
| 1147 | if ((trans_id = gatt_sr_enqueue_cmd(p_tcb, op_code, handle)) != 0) |
| 1148 | { |
| 1149 | p_sreg = &gatt_cb.sr_reg[i_rcb]; |
| 1150 | conn_id = GATT_CREATE_CONN_ID(p_tcb->tcb_idx, p_sreg->gatt_if); |
| 1151 | gatt_sr_send_req_callback(conn_id, |
| 1152 | trans_id, |
| 1153 | GATTS_REQ_TYPE_WRITE, |
| 1154 | &sr_data); |
| 1155 | |
| 1156 | status = GATT_PENDING; |
| 1157 | } |
| 1158 | else |
| 1159 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 1160 | GATT_TRACE_ERROR("max pending command, send error"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1161 | status = GATT_BUSY; /* max pending command, application error */ |
| 1162 | } |
| 1163 | } |
| 1164 | |
| 1165 | /* in theroy BUSY is not possible(should already been checked), protected check */ |
| 1166 | if (status != GATT_PENDING && status != GATT_BUSY && |
| 1167 | (op_code == GATT_REQ_PREPARE_WRITE || op_code == GATT_REQ_WRITE)) |
| 1168 | { |
| 1169 | gatt_send_error_rsp (p_tcb, status, op_code, handle, FALSE); |
| 1170 | } |
| 1171 | return; |
| 1172 | } |
| 1173 | |
| 1174 | /******************************************************************************* |
| 1175 | ** |
| 1176 | ** Function gatts_process_read_req |
| 1177 | ** |
| 1178 | ** Description This function is called to process the read request |
| 1179 | ** from client. |
| 1180 | ** |
| 1181 | ** Returns void |
| 1182 | ** |
| 1183 | *******************************************************************************/ |
| 1184 | static void gatts_process_read_req(tGATT_TCB *p_tcb, tGATT_SR_REG *p_rcb, UINT8 op_code, |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1185 | UINT16 handle, UINT16 len, UINT8 *p_data) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1186 | { |
| 1187 | UINT16 buf_len = (UINT16)(sizeof(BT_HDR) + p_tcb->payload_size + L2CAP_MIN_OFFSET); |
| 1188 | tGATT_STATUS reason; |
| 1189 | BT_HDR *p_msg = NULL; |
| 1190 | UINT8 sec_flag, key_size, *p; |
| 1191 | UINT16 offset = 0, value_len = 0; |
| 1192 | |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1193 | UNUSED (len); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1194 | if ((p_msg = (BT_HDR *)GKI_getbuf(buf_len)) == NULL) |
| 1195 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 1196 | GATT_TRACE_ERROR("gatts_process_find_info failed. no resources."); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1197 | |
| 1198 | reason = GATT_NO_RESOURCES; |
| 1199 | } |
| 1200 | else |
| 1201 | { |
| 1202 | if (op_code == GATT_REQ_READ_BLOB) |
| 1203 | STREAM_TO_UINT16(offset, p_data); |
| 1204 | |
| 1205 | memset(p_msg, 0, buf_len); |
| 1206 | p = (UINT8 *)(p_msg + 1) + L2CAP_MIN_OFFSET; |
| 1207 | *p ++ = op_code + 1; |
| 1208 | p_msg->len = 1; |
| 1209 | buf_len = p_tcb->payload_size - 1; |
| 1210 | |
| 1211 | gatt_sr_get_sec_info(p_tcb->peer_bda, |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1212 | p_tcb->transport, |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1213 | &sec_flag, |
| 1214 | &key_size); |
| 1215 | |
| 1216 | reason = gatts_read_attr_value_by_handle(p_tcb, |
| 1217 | p_rcb->p_db, |
| 1218 | op_code, |
| 1219 | handle, |
| 1220 | offset, |
| 1221 | p, |
| 1222 | &value_len, |
| 1223 | buf_len, |
| 1224 | sec_flag, |
| 1225 | key_size, |
| 1226 | 0); |
| 1227 | |
| 1228 | p_msg->len += value_len; |
| 1229 | } |
| 1230 | |
| 1231 | if (reason != GATT_SUCCESS) |
| 1232 | { |
| 1233 | if (p_msg) GKI_freebuf(p_msg); |
| 1234 | |
| 1235 | /* in theroy BUSY is not possible(should already been checked), protected check */ |
| 1236 | if (reason != GATT_PENDING && reason != GATT_BUSY) |
| 1237 | gatt_send_error_rsp (p_tcb, reason, op_code, handle, FALSE); |
| 1238 | } |
| 1239 | else |
| 1240 | attp_send_sr_msg(p_tcb, p_msg); |
| 1241 | |
| 1242 | } |
| 1243 | |
| 1244 | /******************************************************************************* |
| 1245 | ** |
| 1246 | ** Function gatts_process_attribute_req |
| 1247 | ** |
| 1248 | ** Description This function is called to process the per attribute handle request |
| 1249 | ** from client. |
| 1250 | ** |
| 1251 | ** Returns void |
| 1252 | ** |
| 1253 | *******************************************************************************/ |
| 1254 | void gatts_process_attribute_req (tGATT_TCB *p_tcb, UINT8 op_code, |
| 1255 | UINT16 len, UINT8 *p_data) |
| 1256 | { |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 1257 | UINT16 handle = 0; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1258 | UINT8 *p = p_data, i; |
| 1259 | tGATT_SR_REG *p_rcb = gatt_cb.sr_reg; |
| 1260 | tGATT_STATUS status = GATT_INVALID_HANDLE; |
| 1261 | tGATT_ATTR16 *p_attr; |
| 1262 | |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 1263 | if (len < 2) |
| 1264 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 1265 | GATT_TRACE_ERROR("Illegal PDU length, discard request"); |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 1266 | status = GATT_INVALID_PDU; |
| 1267 | } |
| 1268 | else |
| 1269 | { |
| 1270 | STREAM_TO_UINT16(handle, p); |
| 1271 | len -= 2; |
| 1272 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1273 | |
| 1274 | #if GATT_CONFORMANCE_TESTING == TRUE |
Andre Eisenbach | 6975b4d | 2013-08-05 16:55:38 -0700 | [diff] [blame] | 1275 | gatt_cb.handle = handle; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1276 | if (gatt_cb.enable_err_rsp && gatt_cb.req_op_code == op_code) |
| 1277 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 1278 | GATT_TRACE_DEBUG("Conformance tst: forced err rsp: error status=%d", gatt_cb.err_status); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1279 | |
| 1280 | gatt_send_error_rsp (p_tcb, gatt_cb.err_status, gatt_cb.req_op_code, handle, FALSE); |
| 1281 | |
| 1282 | return; |
| 1283 | } |
| 1284 | #endif |
| 1285 | |
| 1286 | if (GATT_HANDLE_IS_VALID(handle)) |
| 1287 | { |
| 1288 | for (i = 0; i < GATT_MAX_SR_PROFILES; i ++, p_rcb ++) |
| 1289 | { |
| 1290 | if (p_rcb->in_use && p_rcb->s_hdl <= handle && p_rcb->e_hdl >= handle) |
| 1291 | { |
| 1292 | p_attr = (tGATT_ATTR16 *)p_rcb->p_db->p_attr_list; |
| 1293 | |
| 1294 | while (p_attr) |
| 1295 | { |
| 1296 | if (p_attr->handle == handle) |
| 1297 | { |
| 1298 | switch (op_code) |
| 1299 | { |
| 1300 | case GATT_REQ_READ: /* read char/char descriptor value */ |
| 1301 | case GATT_REQ_READ_BLOB: |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1302 | gatts_process_read_req(p_tcb, p_rcb, op_code, handle, len, p); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1303 | break; |
| 1304 | |
| 1305 | case GATT_REQ_WRITE: /* write char/char descriptor value */ |
| 1306 | case GATT_CMD_WRITE: |
| 1307 | case GATT_SIGN_CMD_WRITE: |
| 1308 | case GATT_REQ_PREPARE_WRITE: |
| 1309 | gatts_process_write_req(p_tcb, i, handle, op_code, len, p); |
| 1310 | break; |
| 1311 | default: |
| 1312 | break; |
| 1313 | } |
| 1314 | status = GATT_SUCCESS; |
| 1315 | break; |
| 1316 | } |
| 1317 | p_attr = (tGATT_ATTR16 *)p_attr->p_next; |
| 1318 | } |
| 1319 | break; |
| 1320 | } |
| 1321 | } |
| 1322 | } |
| 1323 | |
| 1324 | if (status != GATT_SUCCESS && op_code != GATT_CMD_WRITE && op_code != GATT_SIGN_CMD_WRITE) |
| 1325 | gatt_send_error_rsp (p_tcb, status, op_code, handle, FALSE); |
| 1326 | } |
| 1327 | |
| 1328 | /******************************************************************************* |
| 1329 | ** |
| 1330 | ** Function gatts_proc_srv_chg_ind_ack |
| 1331 | ** |
| 1332 | ** Description This function process the service changed indicaiton ACK |
| 1333 | ** |
| 1334 | ** Returns void |
| 1335 | ** |
| 1336 | *******************************************************************************/ |
| 1337 | static void gatts_proc_srv_chg_ind_ack(tGATT_TCB *p_tcb ) |
| 1338 | { |
| 1339 | tGATTS_SRV_CHG_REQ req; |
| 1340 | tGATTS_SRV_CHG *p_buf = NULL; |
| 1341 | |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 1342 | GATT_TRACE_DEBUG("gatts_proc_srv_chg_ind_ack"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1343 | |
| 1344 | if ((p_buf = gatt_is_bda_in_the_srv_chg_clt_list(p_tcb->peer_bda)) != NULL) |
| 1345 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 1346 | GATT_TRACE_DEBUG("NV update set srv chg = FALSE"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1347 | p_buf->srv_changed = FALSE; |
| 1348 | memcpy(&req.srv_chg, p_buf, sizeof(tGATTS_SRV_CHG)); |
| 1349 | if (gatt_cb.cb_info.p_srv_chg_callback) |
| 1350 | (*gatt_cb.cb_info.p_srv_chg_callback)(GATTS_SRV_CHG_CMD_UPDATE_CLIENT,&req, NULL); |
| 1351 | } |
| 1352 | } |
| 1353 | |
| 1354 | /******************************************************************************* |
| 1355 | ** |
| 1356 | ** Function gatts_chk_pending_ind |
| 1357 | ** |
| 1358 | ** Description This function check any pending indication needs to be sent if |
| 1359 | ** there is a pending indication then sent the indication |
| 1360 | ** |
| 1361 | ** Returns void |
| 1362 | ** |
| 1363 | *******************************************************************************/ |
| 1364 | static void gatts_chk_pending_ind(tGATT_TCB *p_tcb ) |
| 1365 | { |
| 1366 | tGATT_VALUE *p_buf = (tGATT_VALUE *)GKI_getfirst(&p_tcb->pending_ind_q); |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 1367 | GATT_TRACE_DEBUG("gatts_chk_pending_ind"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1368 | |
| 1369 | if (p_buf ) |
| 1370 | { |
| 1371 | GATTS_HandleValueIndication (p_buf->conn_id, |
| 1372 | p_buf->handle, |
| 1373 | p_buf->len, |
| 1374 | p_buf->value); |
| 1375 | GKI_freebuf(GKI_remove_from_queue (&p_tcb->pending_ind_q, p_buf)); |
| 1376 | } |
| 1377 | } |
| 1378 | |
| 1379 | /******************************************************************************* |
| 1380 | ** |
| 1381 | ** Function gatts_proc_ind_ack |
| 1382 | ** |
| 1383 | ** Description This function process the Indication ack |
| 1384 | ** |
| 1385 | ** Returns TRUE continue to process the indication ack by the aaplication |
| 1386 | ** if the ACk is not a Service Changed Indication Ack |
| 1387 | ** |
| 1388 | *******************************************************************************/ |
| 1389 | static BOOLEAN gatts_proc_ind_ack(tGATT_TCB *p_tcb, UINT16 ack_handle) |
| 1390 | { |
| 1391 | BOOLEAN continue_processing = TRUE; |
| 1392 | |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 1393 | GATT_TRACE_DEBUG ("gatts_proc_ind_ack ack handle=%d", ack_handle); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1394 | |
| 1395 | if (ack_handle == gatt_cb.handle_of_h_r) |
| 1396 | { |
| 1397 | gatts_proc_srv_chg_ind_ack(p_tcb); |
| 1398 | /* there is no need to inform the application since srv chg is handled internally by GATT */ |
| 1399 | continue_processing = FALSE; |
| 1400 | } |
| 1401 | |
| 1402 | gatts_chk_pending_ind(p_tcb); |
| 1403 | return continue_processing; |
| 1404 | } |
| 1405 | |
| 1406 | /******************************************************************************* |
| 1407 | ** |
| 1408 | ** Function gatts_process_value_conf |
| 1409 | ** |
| 1410 | ** Description This function is called to process the handle value confirmation. |
| 1411 | ** |
| 1412 | ** Returns void |
| 1413 | ** |
| 1414 | *******************************************************************************/ |
| 1415 | void gatts_process_value_conf(tGATT_TCB *p_tcb, UINT8 op_code) |
| 1416 | { |
| 1417 | UINT16 handle = p_tcb->indicate_handle; |
| 1418 | UINT32 trans_id; |
| 1419 | UINT8 i; |
| 1420 | tGATT_SR_REG *p_rcb = gatt_cb.sr_reg; |
| 1421 | BOOLEAN continue_processing; |
| 1422 | UINT16 conn_id; |
| 1423 | |
| 1424 | btu_stop_timer (&p_tcb->conf_timer_ent); |
| 1425 | if (GATT_HANDLE_IS_VALID(handle)) |
| 1426 | { |
| 1427 | p_tcb->indicate_handle = 0; |
| 1428 | continue_processing = gatts_proc_ind_ack(p_tcb, handle); |
| 1429 | |
| 1430 | if (continue_processing) |
| 1431 | { |
| 1432 | for (i = 0; i < GATT_MAX_SR_PROFILES; i ++, p_rcb ++) |
| 1433 | { |
| 1434 | if (p_rcb->in_use && p_rcb->s_hdl <= handle && p_rcb->e_hdl >= handle) |
| 1435 | { |
| 1436 | trans_id = gatt_sr_enqueue_cmd(p_tcb, op_code, handle); |
| 1437 | conn_id = GATT_CREATE_CONN_ID(p_tcb->tcb_idx, p_rcb->gatt_if); |
| 1438 | gatt_sr_send_req_callback(conn_id, |
| 1439 | trans_id, GATTS_REQ_TYPE_CONF, (tGATTS_DATA *)&handle); |
| 1440 | } |
| 1441 | } |
| 1442 | } |
| 1443 | } |
| 1444 | else |
| 1445 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 1446 | GATT_TRACE_ERROR("unexpected handle value confirmation"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1447 | } |
| 1448 | } |
| 1449 | |
| 1450 | /******************************************************************************* |
| 1451 | ** |
| 1452 | ** Function gatt_server_handle_client_req |
| 1453 | ** |
| 1454 | ** Description This function is called to handle the client requests to |
| 1455 | ** server. |
| 1456 | ** |
| 1457 | ** |
| 1458 | ** Returns void |
| 1459 | ** |
| 1460 | *******************************************************************************/ |
| 1461 | void gatt_server_handle_client_req (tGATT_TCB *p_tcb, UINT8 op_code, |
| 1462 | UINT16 len, UINT8 *p_data) |
| 1463 | { |
| 1464 | /* there is pending command, discard this one */ |
| 1465 | if (!gatt_sr_cmd_empty(p_tcb) && op_code != GATT_HANDLE_VALUE_CONF) |
| 1466 | return; |
| 1467 | |
| 1468 | /* the size of the message may not be bigger than the local max PDU size*/ |
| 1469 | /* The message has to be smaller than the agreed MTU, len does not include op code */ |
| 1470 | if (len >= p_tcb->payload_size) |
| 1471 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 1472 | GATT_TRACE_ERROR("server receive invalid PDU size:%d pdu size:%d", len + 1, p_tcb->payload_size ); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1473 | /* for invalid request expecting response, send it now */ |
| 1474 | if (op_code != GATT_CMD_WRITE && |
| 1475 | op_code != GATT_SIGN_CMD_WRITE && |
| 1476 | op_code != GATT_HANDLE_VALUE_CONF) |
| 1477 | { |
| 1478 | gatt_send_error_rsp (p_tcb, GATT_INVALID_PDU, op_code, 0, FALSE); |
| 1479 | } |
| 1480 | /* otherwise, ignore the pkt */ |
| 1481 | } |
| 1482 | else |
| 1483 | { |
| 1484 | switch (op_code) |
| 1485 | { |
| 1486 | case GATT_REQ_READ_BY_GRP_TYPE: /* discover primary services */ |
| 1487 | case GATT_REQ_FIND_TYPE_VALUE: /* discover service by UUID */ |
| 1488 | gatts_process_primary_service_req (p_tcb, op_code, len, p_data); |
| 1489 | break; |
| 1490 | |
| 1491 | case GATT_REQ_FIND_INFO:/* discover char descrptor */ |
| 1492 | gatts_process_find_info(p_tcb, op_code, len, p_data); |
| 1493 | break; |
| 1494 | |
| 1495 | case GATT_REQ_READ_BY_TYPE: /* read characteristic value, char descriptor value */ |
| 1496 | /* discover characteristic, discover char by UUID */ |
| 1497 | gatts_process_read_by_type_req(p_tcb, op_code, len, p_data); |
| 1498 | break; |
| 1499 | |
| 1500 | |
| 1501 | case GATT_REQ_READ: /* read char/char descriptor value */ |
| 1502 | case GATT_REQ_READ_BLOB: |
| 1503 | case GATT_REQ_WRITE: /* write char/char descriptor value */ |
| 1504 | case GATT_CMD_WRITE: |
| 1505 | case GATT_SIGN_CMD_WRITE: |
| 1506 | case GATT_REQ_PREPARE_WRITE: |
| 1507 | gatts_process_attribute_req (p_tcb, op_code, len, p_data); |
| 1508 | break; |
| 1509 | |
| 1510 | case GATT_HANDLE_VALUE_CONF: |
| 1511 | gatts_process_value_conf (p_tcb, op_code); |
| 1512 | break; |
| 1513 | |
| 1514 | case GATT_REQ_MTU: |
| 1515 | gatts_process_mtu_req (p_tcb, len, p_data); |
| 1516 | break; |
| 1517 | |
| 1518 | case GATT_REQ_EXEC_WRITE: |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1519 | gatt_process_exec_write_req (p_tcb, op_code, len, p_data); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1520 | break; |
| 1521 | |
| 1522 | case GATT_REQ_READ_MULTI: |
| 1523 | gatt_process_read_multi_req (p_tcb, op_code, len, p_data); |
| 1524 | break; |
| 1525 | |
| 1526 | default: |
| 1527 | break; |
| 1528 | } |
| 1529 | } |
| 1530 | } |
| 1531 | |
| 1532 | #endif /* BLE_INCLUDED */ |