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 | |
Pavlin Radoslavov | 1a3844f | 2015-09-25 11:21:15 -0700 | [diff] [blame^] | 109 | while (!fixed_queue_is_empty(p_tcb->sr_cmd.multi_rsp_q)) |
| 110 | GKI_freebuf(fixed_queue_try_dequeue(p_tcb->sr_cmd.multi_rsp_q)); |
| 111 | fixed_queue_free(p_tcb->sr_cmd.multi_rsp_q, NULL); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 112 | memset( &p_tcb->sr_cmd, 0, sizeof(tGATT_SR_CMD)); |
| 113 | } |
| 114 | |
| 115 | /******************************************************************************* |
| 116 | ** |
| 117 | ** Function process_read_multi_rsp |
| 118 | ** |
| 119 | ** Description This function check the read multiple response. |
| 120 | ** |
| 121 | ** Returns BOOLEAN if all replies have been received |
| 122 | ** |
| 123 | *******************************************************************************/ |
| 124 | static BOOLEAN process_read_multi_rsp (tGATT_SR_CMD *p_cmd, tGATT_STATUS status, |
| 125 | tGATTS_RSP *p_msg, UINT16 mtu) |
| 126 | { |
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)); |
Pavlin Radoslavov | 1a3844f | 2015-09-25 11:21:15 -0700 | [diff] [blame^] | 142 | fixed_queue_enqueue(p_cmd->multi_rsp_q, p_buf); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 143 | |
| 144 | p_cmd->status = status; |
| 145 | if (status == GATT_SUCCESS) |
| 146 | { |
Pavlin Radoslavov | 1a3844f | 2015-09-25 11:21:15 -0700 | [diff] [blame^] | 147 | GATT_TRACE_DEBUG("Multi read count=%d num_hdls=%d", |
| 148 | fixed_queue_length(&p_cmd->multi_rsp_q), |
| 149 | p_cmd->multi_req.num_handles); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 150 | /* Wait till we get all the responses */ |
Pavlin Radoslavov | 1a3844f | 2015-09-25 11:21:15 -0700 | [diff] [blame^] | 151 | if (fixed_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] | 152 | { |
| 153 | len = sizeof(BT_HDR) + L2CAP_MIN_OFFSET + mtu; |
| 154 | if ((p_buf = (BT_HDR *)GKI_getbuf(len)) == NULL) |
| 155 | { |
| 156 | p_cmd->status = GATT_INSUF_RESOURCE; |
| 157 | return(TRUE); |
| 158 | } |
| 159 | |
| 160 | memset(p_buf, 0, len); |
| 161 | p_buf->offset = L2CAP_MIN_OFFSET; |
| 162 | p = (UINT8 *)(p_buf + 1) + p_buf->offset; |
| 163 | |
| 164 | /* First byte in the response is the opcode */ |
| 165 | *p++ = GATT_RSP_READ_MULTI; |
| 166 | p_buf->len = 1; |
| 167 | |
| 168 | /* Now walk through the buffers puting the data into the response in order */ |
Pavlin Radoslavov | 1a3844f | 2015-09-25 11:21:15 -0700 | [diff] [blame^] | 169 | list_t *list = fixed_queue_get_list(p_cmd->multi_rsp_q); |
| 170 | const list_node_t *node; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 171 | for (ii = 0; ii < p_cmd->multi_req.num_handles; ii++) |
| 172 | { |
Pavlin Radoslavov | 1a3844f | 2015-09-25 11:21:15 -0700 | [diff] [blame^] | 173 | tGATTS_RSP *p_rsp = NULL; |
| 174 | |
| 175 | if (ii == 0) |
| 176 | node = list_begin(list); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 177 | else |
Pavlin Radoslavov | 1a3844f | 2015-09-25 11:21:15 -0700 | [diff] [blame^] | 178 | node = list_next(node); |
| 179 | if (node != list_end(list)) |
| 180 | p_rsp = (tGATTS_RSP *)list_node(node); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 181 | |
| 182 | if (p_rsp != NULL) |
| 183 | { |
| 184 | |
| 185 | total_len = (p_buf->len + p_rsp->attr_value.len); |
| 186 | |
| 187 | if (total_len > mtu) |
| 188 | { |
| 189 | /* just send the partial response for the overflow case */ |
| 190 | len = p_rsp->attr_value.len - (total_len - mtu); |
| 191 | is_overflow = TRUE; |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 192 | 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] | 193 | } |
| 194 | else |
| 195 | { |
| 196 | len = p_rsp->attr_value.len; |
| 197 | } |
| 198 | |
| 199 | if (p_rsp->attr_value.handle == p_cmd->multi_req.handles[ii]) |
| 200 | { |
| 201 | memcpy (p, p_rsp->attr_value.value, len); |
| 202 | if (!is_overflow) |
| 203 | p += len; |
| 204 | p_buf->len += len; |
| 205 | } |
| 206 | else |
| 207 | { |
| 208 | p_cmd->status = GATT_NOT_FOUND; |
| 209 | break; |
| 210 | } |
| 211 | |
| 212 | if (is_overflow) |
| 213 | break; |
| 214 | |
| 215 | } |
| 216 | else |
| 217 | { |
| 218 | p_cmd->status = GATT_NOT_FOUND; |
| 219 | break; |
| 220 | } |
| 221 | |
| 222 | } /* loop through all handles*/ |
| 223 | |
| 224 | |
| 225 | /* Sanity check on the buffer length */ |
| 226 | if (p_buf->len == 0) |
| 227 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 228 | GATT_TRACE_ERROR("process_read_multi_rsp - nothing found!!"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 229 | p_cmd->status = GATT_NOT_FOUND; |
| 230 | GKI_freebuf (p_buf); |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 231 | GATT_TRACE_DEBUG(" GKI_freebuf (p_buf)"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 232 | } |
| 233 | else if (p_cmd->p_rsp_msg != NULL) |
| 234 | { |
| 235 | GKI_freebuf (p_buf); |
| 236 | } |
| 237 | else |
| 238 | { |
| 239 | p_cmd->p_rsp_msg = p_buf; |
| 240 | } |
| 241 | |
| 242 | return(TRUE); |
| 243 | } |
| 244 | } |
| 245 | else /* any handle read exception occurs, return error */ |
| 246 | { |
| 247 | return(TRUE); |
| 248 | } |
| 249 | |
| 250 | /* If here, still waiting */ |
| 251 | return(FALSE); |
| 252 | } |
| 253 | |
| 254 | /******************************************************************************* |
| 255 | ** |
| 256 | ** Function gatt_sr_process_app_rsp |
| 257 | ** |
| 258 | ** Description This function checks whether the response message from application |
| 259 | ** match any pending request or not. |
| 260 | ** |
| 261 | ** Returns void |
| 262 | ** |
| 263 | *******************************************************************************/ |
| 264 | tGATT_STATUS gatt_sr_process_app_rsp (tGATT_TCB *p_tcb, tGATT_IF gatt_if, |
| 265 | UINT32 trans_id, UINT8 op_code, |
| 266 | tGATT_STATUS status, tGATTS_RSP *p_msg) |
| 267 | { |
| 268 | tGATT_STATUS ret_code = GATT_SUCCESS; |
Mike J. Chen | 5cd8bff | 2014-01-31 18:16:59 -0800 | [diff] [blame] | 269 | UNUSED(trans_id); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 270 | |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 271 | 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] | 272 | |
| 273 | gatt_sr_update_cback_cnt(p_tcb, gatt_if, FALSE, FALSE); |
| 274 | |
| 275 | if (op_code == GATT_REQ_READ_MULTI) |
| 276 | { |
| 277 | /* If no error and still waiting, just return */ |
| 278 | if (!process_read_multi_rsp (&p_tcb->sr_cmd, status, p_msg, p_tcb->payload_size)) |
| 279 | return(GATT_SUCCESS); |
| 280 | } |
| 281 | else |
| 282 | { |
| 283 | if (op_code == GATT_REQ_PREPARE_WRITE && status == GATT_SUCCESS) |
| 284 | gatt_sr_update_prep_cnt(p_tcb, gatt_if, TRUE, FALSE); |
| 285 | |
| 286 | if (op_code == GATT_REQ_EXEC_WRITE && status != GATT_SUCCESS) |
| 287 | gatt_sr_reset_cback_cnt(p_tcb); |
| 288 | |
| 289 | p_tcb->sr_cmd.status = status; |
| 290 | |
| 291 | if (gatt_sr_is_cback_cnt_zero(p_tcb) |
| 292 | && status == GATT_SUCCESS) |
| 293 | { |
| 294 | if (p_tcb->sr_cmd.p_rsp_msg == NULL) |
| 295 | { |
| 296 | p_tcb->sr_cmd.p_rsp_msg = attp_build_sr_msg (p_tcb, (UINT8)(op_code + 1), (tGATT_SR_MSG *)p_msg); |
| 297 | } |
| 298 | else |
| 299 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 300 | GATT_TRACE_ERROR("Exception!!! already has respond message"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 301 | } |
| 302 | } |
| 303 | } |
| 304 | if (gatt_sr_is_cback_cnt_zero(p_tcb)) |
| 305 | { |
| 306 | if ( (p_tcb->sr_cmd.status == GATT_SUCCESS) && (p_tcb->sr_cmd.p_rsp_msg) ) |
| 307 | { |
| 308 | ret_code = attp_send_sr_msg (p_tcb, p_tcb->sr_cmd.p_rsp_msg); |
| 309 | p_tcb->sr_cmd.p_rsp_msg = NULL; |
| 310 | } |
| 311 | else |
| 312 | { |
| 313 | ret_code = gatt_send_error_rsp (p_tcb, status, op_code, p_tcb->sr_cmd.handle, FALSE); |
| 314 | } |
| 315 | |
| 316 | gatt_dequeue_sr_cmd(p_tcb); |
| 317 | } |
| 318 | |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 319 | 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] | 320 | |
| 321 | return ret_code; |
| 322 | } |
| 323 | |
| 324 | /******************************************************************************* |
| 325 | ** |
| 326 | ** Function gatt_process_exec_write_req |
| 327 | ** |
| 328 | ** Description This function is called to process the execute write request |
| 329 | ** from client. |
| 330 | ** |
| 331 | ** Returns void |
| 332 | ** |
| 333 | *******************************************************************************/ |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 334 | 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] | 335 | { |
| 336 | UINT8 *p = p_data, flag, i = 0; |
| 337 | UINT32 trans_id = 0; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 338 | tGATT_IF gatt_if; |
| 339 | UINT16 conn_id; |
| 340 | |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 341 | UNUSED(len); |
| 342 | |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 343 | #if GATT_CONFORMANCE_TESTING == TRUE |
| 344 | if (gatt_cb.enable_err_rsp && gatt_cb.req_op_code == op_code) |
| 345 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 346 | 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] | 347 | gatt_cb.err_status); |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 348 | |
Andre Eisenbach | 6975b4d | 2013-08-05 16:55:38 -0700 | [diff] [blame] | 349 | 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] | 350 | |
| 351 | return; |
| 352 | } |
| 353 | #endif |
| 354 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 355 | STREAM_TO_UINT8(flag, p); |
| 356 | |
| 357 | /* mask the flag */ |
| 358 | flag &= GATT_PREP_WRITE_EXEC; |
| 359 | |
| 360 | |
| 361 | /* no prep write is queued */ |
| 362 | if (!gatt_sr_is_prep_cnt_zero(p_tcb)) |
| 363 | { |
| 364 | trans_id = gatt_sr_enqueue_cmd(p_tcb, op_code, 0); |
| 365 | gatt_sr_copy_prep_cnt_to_cback_cnt(p_tcb); |
| 366 | |
| 367 | for (i=0; i<GATT_MAX_APPS; i++) |
| 368 | { |
| 369 | if (p_tcb->prep_cnt[i]) |
| 370 | { |
| 371 | gatt_if = (tGATT_IF) (i+1); |
| 372 | conn_id = GATT_CREATE_CONN_ID(p_tcb->tcb_idx, gatt_if); |
| 373 | gatt_sr_send_req_callback(conn_id, |
| 374 | trans_id, |
| 375 | GATTS_REQ_TYPE_WRITE_EXEC, |
| 376 | (tGATTS_DATA *)&flag); |
| 377 | p_tcb->prep_cnt[i]= 0; |
| 378 | } |
| 379 | } |
| 380 | } |
| 381 | else /* nothing needs to be executed , send response now */ |
| 382 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 383 | GATT_TRACE_ERROR("gatt_process_exec_write_req: no prepare write pending"); |
Mudumba Ananth | cf31033 | 2014-07-04 03:45:11 -0700 | [diff] [blame] | 384 | 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] | 385 | } |
| 386 | } |
| 387 | |
| 388 | /******************************************************************************* |
| 389 | ** |
| 390 | ** Function gatt_process_read_multi_req |
| 391 | ** |
| 392 | ** Description This function is called to process the read multiple request |
| 393 | ** from client. |
| 394 | ** |
| 395 | ** Returns void |
| 396 | ** |
| 397 | *******************************************************************************/ |
| 398 | void gatt_process_read_multi_req (tGATT_TCB *p_tcb, UINT8 op_code, UINT16 len, UINT8 *p_data) |
| 399 | { |
| 400 | UINT32 trans_id; |
Andre Eisenbach | 6975b4d | 2013-08-05 16:55:38 -0700 | [diff] [blame] | 401 | UINT16 handle = 0, ll = len; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 402 | UINT8 *p = p_data, i_rcb; |
| 403 | tGATT_STATUS err = GATT_SUCCESS; |
| 404 | UINT8 sec_flag, key_size; |
| 405 | tGATTS_RSP *p_msg; |
| 406 | |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 407 | GATT_TRACE_DEBUG("gatt_process_read_multi_req" ); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 408 | p_tcb->sr_cmd.multi_req.num_handles = 0; |
| 409 | |
| 410 | gatt_sr_get_sec_info(p_tcb->peer_bda, |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 411 | p_tcb->transport, |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 412 | &sec_flag, |
| 413 | &key_size); |
| 414 | |
| 415 | #if GATT_CONFORMANCE_TESTING == TRUE |
| 416 | if (gatt_cb.enable_err_rsp && gatt_cb.req_op_code == op_code) |
| 417 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 418 | 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] | 419 | |
| 420 | STREAM_TO_UINT16(handle, p); |
| 421 | |
| 422 | gatt_send_error_rsp (p_tcb, gatt_cb.err_status, gatt_cb.req_op_code, handle, FALSE); |
| 423 | |
| 424 | return; |
| 425 | } |
| 426 | #endif |
| 427 | |
| 428 | while (ll >= 2 && p_tcb->sr_cmd.multi_req.num_handles < GATT_MAX_READ_MULTI_HANDLES) |
| 429 | { |
| 430 | STREAM_TO_UINT16(handle, p); |
| 431 | |
| 432 | if ((i_rcb = gatt_sr_find_i_rcb_by_handle(handle)) < GATT_MAX_SR_PROFILES) |
| 433 | { |
| 434 | p_tcb->sr_cmd.multi_req.handles[p_tcb->sr_cmd.multi_req.num_handles++] = handle; |
| 435 | |
| 436 | /* check read permission */ |
| 437 | if ((err = gatts_read_attr_perm_check( gatt_cb.sr_reg[i_rcb].p_db, |
| 438 | FALSE, |
| 439 | handle, |
| 440 | sec_flag, |
| 441 | key_size)) |
| 442 | != GATT_SUCCESS) |
| 443 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 444 | GATT_TRACE_DEBUG("read permission denied : 0x%02x", err); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 445 | break; |
| 446 | } |
| 447 | } |
| 448 | else |
| 449 | { |
| 450 | /* invalid handle */ |
| 451 | err = GATT_INVALID_HANDLE; |
| 452 | break; |
| 453 | } |
| 454 | ll -= 2; |
| 455 | } |
| 456 | |
| 457 | if (ll != 0) |
| 458 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 459 | 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] | 460 | } |
| 461 | |
| 462 | if (p_tcb->sr_cmd.multi_req.num_handles == 0) |
| 463 | err = GATT_INVALID_HANDLE; |
| 464 | |
| 465 | if (err == GATT_SUCCESS) |
| 466 | { |
| 467 | if ((trans_id = gatt_sr_enqueue_cmd (p_tcb, op_code, p_tcb->sr_cmd.multi_req.handles[0])) != 0) |
| 468 | { |
| 469 | gatt_sr_reset_cback_cnt(p_tcb); /* read multiple use multi_rsp_q's count*/ |
| 470 | |
| 471 | for (ll = 0; ll < p_tcb->sr_cmd.multi_req.num_handles; ll ++) |
| 472 | { |
| 473 | if ((p_msg = (tGATTS_RSP *)GKI_getbuf(sizeof(tGATTS_RSP))) != NULL) |
| 474 | { |
| 475 | memset(p_msg, 0, sizeof(tGATTS_RSP)) |
| 476 | ; |
| 477 | handle = p_tcb->sr_cmd.multi_req.handles[ll]; |
| 478 | i_rcb = gatt_sr_find_i_rcb_by_handle(handle); |
| 479 | |
| 480 | p_msg->attr_value.handle = handle; |
| 481 | err = gatts_read_attr_value_by_handle(p_tcb, |
| 482 | gatt_cb.sr_reg[i_rcb].p_db, |
| 483 | op_code, |
| 484 | handle, |
| 485 | 0, |
| 486 | p_msg->attr_value.value, |
| 487 | &p_msg->attr_value.len, |
| 488 | GATT_MAX_ATTR_LEN, |
| 489 | sec_flag, |
| 490 | key_size, |
| 491 | trans_id); |
| 492 | |
| 493 | if (err == GATT_SUCCESS) |
| 494 | { |
| 495 | gatt_sr_process_app_rsp(p_tcb, gatt_cb.sr_reg[i_rcb].gatt_if ,trans_id, op_code, GATT_SUCCESS, p_msg); |
| 496 | } |
| 497 | /* either not using or done using the buffer, release it now */ |
| 498 | GKI_freebuf(p_msg); |
| 499 | } |
| 500 | else |
| 501 | { |
| 502 | err = GATT_NO_RESOURCES; |
| 503 | gatt_dequeue_sr_cmd(p_tcb); |
| 504 | break; |
| 505 | } |
| 506 | } |
| 507 | } |
| 508 | else |
| 509 | err = GATT_NO_RESOURCES; |
| 510 | } |
| 511 | |
| 512 | /* in theroy BUSY is not possible(should already been checked), protected check */ |
| 513 | if (err != GATT_SUCCESS && err != GATT_PENDING && err != GATT_BUSY) |
| 514 | gatt_send_error_rsp(p_tcb, err, op_code, handle, FALSE); |
| 515 | } |
| 516 | |
| 517 | /******************************************************************************* |
| 518 | ** |
| 519 | ** Function gatt_build_primary_service_rsp |
| 520 | ** |
| 521 | ** Description Primamry service request processed internally. Theretically |
| 522 | ** only deal with ReadByTypeVAlue and ReadByGroupType. |
| 523 | ** |
| 524 | ** Returns void |
| 525 | ** |
| 526 | *******************************************************************************/ |
| 527 | static tGATT_STATUS gatt_build_primary_service_rsp (BT_HDR *p_msg, tGATT_TCB *p_tcb, |
| 528 | UINT8 op_code, UINT16 s_hdl, |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 529 | UINT16 e_hdl, UINT8 *p_data, tBT_UUID value) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 530 | { |
| 531 | tGATT_STATUS status = GATT_NOT_FOUND; |
| 532 | UINT8 handle_len =4, *p ; |
| 533 | tGATT_SR_REG *p_rcb; |
| 534 | tGATT_SRV_LIST_INFO *p_list= &gatt_cb.srv_list_info; |
| 535 | tGATT_SRV_LIST_ELEM *p_srv=NULL; |
| 536 | tBT_UUID *p_uuid; |
| 537 | |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 538 | UNUSED(p_data); |
| 539 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 540 | p = (UINT8 *)(p_msg + 1) + L2CAP_MIN_OFFSET; |
| 541 | |
| 542 | p_srv = p_list->p_first; |
| 543 | |
| 544 | while (p_srv) |
| 545 | { |
| 546 | p_rcb = GATT_GET_SR_REG_PTR(p_srv->i_sreg); |
| 547 | |
| 548 | if (p_rcb->in_use && |
| 549 | p_rcb->s_hdl >= s_hdl && |
| 550 | p_rcb->s_hdl <= e_hdl && |
| 551 | p_rcb->type == GATT_UUID_PRI_SERVICE) |
| 552 | { |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 553 | 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] | 554 | { |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 555 | if (op_code == GATT_REQ_READ_BY_GRP_TYPE) |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 556 | handle_len = 4 + p_uuid->len; |
| 557 | |
| 558 | /* get the length byte in the repsonse */ |
| 559 | if (p_msg->offset ==0) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 560 | { |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 561 | *p ++ = op_code + 1; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 562 | p_msg->len ++; |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 563 | p_msg->offset = handle_len; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 564 | |
| 565 | if (op_code == GATT_REQ_READ_BY_GRP_TYPE) |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 566 | { |
| 567 | *p ++ = (UINT8)p_msg->offset; /* length byte */ |
| 568 | p_msg->len ++; |
| 569 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 570 | } |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 571 | |
| 572 | if (p_msg->len + p_msg->offset <= p_tcb->payload_size && |
| 573 | handle_len == p_msg->offset) |
| 574 | { |
| 575 | if (op_code != GATT_REQ_FIND_TYPE_VALUE || |
| 576 | gatt_uuid_compare(value, *p_uuid)) |
| 577 | { |
| 578 | UINT16_TO_STREAM(p, p_rcb->s_hdl); |
| 579 | |
| 580 | if (p_list->p_last_primary == p_srv && |
| 581 | p_list->p_last_primary == p_list->p_last) |
| 582 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 583 | GATT_TRACE_DEBUG("Use 0xFFFF for the last primary attribute"); |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 584 | UINT16_TO_STREAM(p, 0xFFFF); /* see GATT ERRATA 4065, 4063, ATT ERRATA 4062 */ |
| 585 | } |
| 586 | else |
| 587 | { |
| 588 | UINT16_TO_STREAM(p, p_rcb->e_hdl); |
| 589 | } |
| 590 | |
| 591 | if (op_code == GATT_REQ_READ_BY_GRP_TYPE) |
| 592 | gatt_build_uuid_to_stream(&p, *p_uuid); |
| 593 | |
| 594 | status = GATT_SUCCESS; |
| 595 | p_msg->len += p_msg->offset; |
| 596 | } |
| 597 | } |
| 598 | else |
| 599 | break; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 600 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 601 | } |
| 602 | p_srv = p_srv->p_next; |
| 603 | } |
| 604 | p_msg->offset = L2CAP_MIN_OFFSET; |
| 605 | |
| 606 | return status; |
| 607 | } |
| 608 | |
| 609 | /******************************************************************************* |
| 610 | ** |
| 611 | ** Function gatt_build_find_info_rsp |
| 612 | ** |
| 613 | ** Description fill the find information response information in the given |
| 614 | ** buffer. |
| 615 | ** |
| 616 | ** Returns TRUE: if data filled sucessfully. |
| 617 | ** FALSE: packet full, or format mismatch. |
| 618 | ** |
| 619 | *******************************************************************************/ |
| 620 | static tGATT_STATUS gatt_build_find_info_rsp(tGATT_SR_REG *p_rcb, BT_HDR *p_msg, UINT16 *p_len, |
| 621 | UINT16 s_hdl, UINT16 e_hdl) |
| 622 | { |
| 623 | tGATT_STATUS status = GATT_NOT_FOUND; |
| 624 | UINT8 *p; |
| 625 | UINT16 len = *p_len; |
| 626 | tGATT_ATTR16 *p_attr = NULL; |
| 627 | UINT8 info_pair_len[2] = {4, 18}; |
| 628 | |
| 629 | if (!p_rcb->p_db || !p_rcb->p_db->p_attr_list) |
| 630 | return status; |
| 631 | |
| 632 | /* check the attribute database */ |
| 633 | p_attr = (tGATT_ATTR16 *) p_rcb->p_db->p_attr_list; |
| 634 | |
| 635 | p = (UINT8 *)(p_msg + 1) + L2CAP_MIN_OFFSET + p_msg->len; |
| 636 | |
| 637 | while (p_attr) |
| 638 | { |
| 639 | if (p_attr->handle > e_hdl) |
| 640 | { |
| 641 | break; |
| 642 | } |
| 643 | |
| 644 | if (p_attr->handle >= s_hdl) |
| 645 | { |
| 646 | if (p_msg->offset == 0) |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 647 | 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] | 648 | |
| 649 | if (len >= info_pair_len[p_msg->offset - 1]) |
| 650 | { |
| 651 | if (p_msg->offset == GATT_INFO_TYPE_PAIR_16 && p_attr->uuid_type == GATT_ATTR_UUID_TYPE_16) |
| 652 | { |
| 653 | UINT16_TO_STREAM(p, p_attr->handle); |
| 654 | UINT16_TO_STREAM(p, p_attr->uuid); |
| 655 | } |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 656 | 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] | 657 | { |
| 658 | UINT16_TO_STREAM(p, p_attr->handle); |
| 659 | ARRAY_TO_STREAM (p, ((tGATT_ATTR128 *) p_attr)->uuid, LEN_UUID_128); |
| 660 | } |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 661 | else if (p_msg->offset == GATT_INFO_TYPE_PAIR_128 && p_attr->uuid_type == GATT_ATTR_UUID_TYPE_32) |
| 662 | { |
| 663 | UINT16_TO_STREAM(p, p_attr->handle); |
| 664 | gatt_convert_uuid32_to_uuid128(p, ((tGATT_ATTR32 *) p_attr)->uuid); |
| 665 | p += LEN_UUID_128; |
| 666 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 667 | else |
| 668 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 669 | GATT_TRACE_ERROR("format mismatch"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 670 | status = GATT_NO_RESOURCES; |
| 671 | break; |
| 672 | /* format mismatch */ |
| 673 | } |
| 674 | p_msg->len += info_pair_len[p_msg->offset - 1]; |
| 675 | len -= info_pair_len[p_msg->offset - 1]; |
| 676 | status = GATT_SUCCESS; |
| 677 | |
| 678 | } |
| 679 | else |
| 680 | { |
| 681 | status = GATT_NO_RESOURCES; |
| 682 | break; |
| 683 | } |
| 684 | } |
| 685 | p_attr = (tGATT_ATTR16 *)p_attr->p_next; |
| 686 | } |
| 687 | |
| 688 | *p_len = len; |
| 689 | return status; |
| 690 | } |
| 691 | |
| 692 | /******************************************************************************* |
| 693 | ** |
| 694 | ** Function gatts_internal_read_by_type_req |
| 695 | ** |
| 696 | ** Description check to see if the ReadByType request can be handled internally. |
| 697 | ** |
| 698 | ** Returns void |
| 699 | ** |
| 700 | *******************************************************************************/ |
| 701 | static tGATT_STATUS gatts_validate_packet_format(UINT8 op_code, UINT16 *p_len, |
| 702 | UINT8 **p_data, tBT_UUID *p_uuid_filter, |
| 703 | UINT16 *p_s_hdl, UINT16 *p_e_hdl) |
| 704 | { |
| 705 | tGATT_STATUS reason = GATT_SUCCESS; |
| 706 | UINT16 uuid_len, s_hdl = 0, e_hdl = 0; |
| 707 | UINT16 len = *p_len; |
| 708 | UINT8 *p = *p_data; |
| 709 | |
| 710 | if (len >= 4) |
| 711 | { |
| 712 | /* obtain starting handle, and ending handle */ |
| 713 | STREAM_TO_UINT16(s_hdl, p); |
| 714 | STREAM_TO_UINT16(e_hdl, p); |
| 715 | len -= 4; |
| 716 | |
| 717 | if (s_hdl > e_hdl || !GATT_HANDLE_IS_VALID(s_hdl) || !GATT_HANDLE_IS_VALID(e_hdl)) |
| 718 | { |
| 719 | reason = GATT_INVALID_HANDLE; |
| 720 | } |
| 721 | /* for these PDUs, uuid filter must present */ |
| 722 | else if (op_code == GATT_REQ_READ_BY_GRP_TYPE || |
| 723 | op_code == GATT_REQ_FIND_TYPE_VALUE || |
| 724 | op_code == GATT_REQ_READ_BY_TYPE) |
| 725 | { |
| 726 | if (len >= 2 && p_uuid_filter != NULL) |
| 727 | { |
| 728 | uuid_len = (op_code == GATT_REQ_FIND_TYPE_VALUE) ? 2 : len; |
| 729 | |
| 730 | /* parse uuid now */ |
| 731 | if (gatt_parse_uuid_from_cmd (p_uuid_filter, uuid_len, &p) == FALSE || |
| 732 | p_uuid_filter->len == 0) |
| 733 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 734 | GATT_TRACE_DEBUG("UUID filter does not exsit"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 735 | reason = GATT_INVALID_PDU; |
| 736 | } |
| 737 | else |
| 738 | len -= p_uuid_filter->len; |
| 739 | } |
| 740 | else |
| 741 | reason = GATT_INVALID_PDU; |
| 742 | } |
| 743 | } |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 744 | else |
| 745 | reason = GATT_INVALID_PDU; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 746 | |
| 747 | *p_data = p; |
| 748 | *p_len = len; |
| 749 | *p_s_hdl = s_hdl; |
| 750 | *p_e_hdl = e_hdl; |
| 751 | |
| 752 | return reason; |
| 753 | } |
| 754 | |
| 755 | /******************************************************************************* |
| 756 | ** |
| 757 | ** Function gatts_process_primary_service_req |
| 758 | ** |
| 759 | ** Description process ReadByGroupType/ReadByTypeValue request, for discover |
| 760 | ** all primary services or discover primary service by UUID request. |
| 761 | ** |
| 762 | ** Returns void |
| 763 | ** |
| 764 | *******************************************************************************/ |
| 765 | void gatts_process_primary_service_req(tGATT_TCB *p_tcb, UINT8 op_code, UINT16 len, UINT8 *p_data) |
| 766 | { |
| 767 | UINT8 reason = GATT_INVALID_PDU; |
| 768 | UINT16 s_hdl = 0, e_hdl = 0; |
| 769 | tBT_UUID uuid, value, primary_service = {LEN_UUID_16, {GATT_UUID_PRI_SERVICE}}; |
| 770 | BT_HDR *p_msg = NULL; |
| 771 | UINT16 msg_len = (UINT16)(sizeof(BT_HDR) + p_tcb->payload_size + L2CAP_MIN_OFFSET); |
| 772 | |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 773 | memset (&value, 0, sizeof(tBT_UUID)); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 774 | reason = gatts_validate_packet_format(op_code, &len, &p_data, &uuid, &s_hdl, &e_hdl); |
| 775 | |
| 776 | if (reason == GATT_SUCCESS) |
| 777 | { |
| 778 | if (gatt_uuid_compare(uuid, primary_service)) |
| 779 | { |
| 780 | if (op_code == GATT_REQ_FIND_TYPE_VALUE) |
| 781 | { |
| 782 | if (gatt_parse_uuid_from_cmd(&value, len, &p_data) == FALSE) |
| 783 | reason = GATT_INVALID_PDU; |
| 784 | } |
| 785 | |
| 786 | if (reason == GATT_SUCCESS) |
| 787 | { |
| 788 | if ((p_msg = (BT_HDR *)GKI_getbuf(msg_len)) == NULL) |
| 789 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 790 | 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] | 791 | reason = GATT_NO_RESOURCES; |
| 792 | } |
| 793 | else |
| 794 | { |
| 795 | memset(p_msg, 0, msg_len); |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 796 | 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] | 797 | } |
| 798 | } |
| 799 | } |
| 800 | else |
| 801 | { |
| 802 | if (op_code == GATT_REQ_READ_BY_GRP_TYPE) |
| 803 | { |
| 804 | reason = GATT_UNSUPPORT_GRP_TYPE; |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 805 | 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] | 806 | } |
| 807 | else |
| 808 | { |
| 809 | /* we do not support ReadByTypeValue with any non-primamry_service type */ |
| 810 | reason = GATT_NOT_FOUND; |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 811 | 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] | 812 | } |
| 813 | } |
| 814 | } |
| 815 | |
| 816 | if (reason != GATT_SUCCESS) |
| 817 | { |
| 818 | if (p_msg) GKI_freebuf(p_msg); |
| 819 | gatt_send_error_rsp (p_tcb, reason, op_code, s_hdl, FALSE); |
| 820 | } |
| 821 | else |
| 822 | attp_send_sr_msg(p_tcb, p_msg); |
| 823 | |
| 824 | } |
| 825 | |
| 826 | /******************************************************************************* |
| 827 | ** |
| 828 | ** Function gatts_process_find_info |
| 829 | ** |
| 830 | ** Description process find information request, for discover character |
| 831 | ** descriptors. |
| 832 | ** |
| 833 | ** Returns void |
| 834 | ** |
| 835 | *******************************************************************************/ |
| 836 | static void gatts_process_find_info(tGATT_TCB *p_tcb, UINT8 op_code, UINT16 len, UINT8 *p_data) |
| 837 | { |
| 838 | UINT8 reason = GATT_INVALID_PDU, *p; |
| 839 | UINT16 s_hdl = 0, e_hdl = 0, buf_len; |
| 840 | BT_HDR *p_msg = NULL; |
| 841 | tGATT_SR_REG *p_rcb; |
| 842 | tGATT_SRV_LIST_INFO *p_list= &gatt_cb.srv_list_info; |
| 843 | tGATT_SRV_LIST_ELEM *p_srv=NULL; |
| 844 | |
| 845 | reason = gatts_validate_packet_format(op_code, &len, &p_data, NULL, &s_hdl, &e_hdl); |
| 846 | |
| 847 | if (reason == GATT_SUCCESS) |
| 848 | { |
| 849 | buf_len = (UINT16)(sizeof(BT_HDR) + p_tcb->payload_size + L2CAP_MIN_OFFSET); |
| 850 | |
| 851 | if ((p_msg = (BT_HDR *)GKI_getbuf(buf_len)) == NULL) |
| 852 | { |
| 853 | reason = GATT_NO_RESOURCES; |
| 854 | } |
| 855 | else |
| 856 | { |
| 857 | reason = GATT_NOT_FOUND; |
| 858 | |
| 859 | memset(p_msg, 0, buf_len); |
| 860 | p = (UINT8 *)(p_msg + 1) + L2CAP_MIN_OFFSET; |
| 861 | *p ++ = op_code + 1; |
| 862 | p_msg->len = 2; |
| 863 | |
| 864 | buf_len = p_tcb->payload_size - 2; |
| 865 | |
| 866 | p_srv = p_list->p_first; |
| 867 | |
| 868 | while (p_srv) |
| 869 | { |
| 870 | p_rcb = GATT_GET_SR_REG_PTR(p_srv->i_sreg); |
| 871 | |
| 872 | if (p_rcb->in_use && |
| 873 | !(p_rcb->s_hdl > e_hdl || |
| 874 | p_rcb->e_hdl < s_hdl)) |
| 875 | { |
| 876 | reason = gatt_build_find_info_rsp(p_rcb, p_msg, &buf_len, s_hdl, e_hdl); |
| 877 | if (reason == GATT_NO_RESOURCES) |
| 878 | { |
| 879 | reason = GATT_SUCCESS; |
| 880 | break; |
| 881 | } |
| 882 | } |
| 883 | p_srv = p_srv->p_next; |
| 884 | } |
| 885 | *p = (UINT8)p_msg->offset; |
| 886 | |
| 887 | p_msg->offset = L2CAP_MIN_OFFSET; |
| 888 | } |
| 889 | } |
| 890 | |
| 891 | if (reason != GATT_SUCCESS) |
| 892 | { |
| 893 | if (p_msg) GKI_freebuf(p_msg); |
| 894 | gatt_send_error_rsp (p_tcb, reason, op_code, s_hdl, FALSE); |
| 895 | } |
| 896 | else |
| 897 | attp_send_sr_msg(p_tcb, p_msg); |
| 898 | |
| 899 | } |
| 900 | |
| 901 | /******************************************************************************* |
| 902 | ** |
| 903 | ** Function gatts_process_mtu_req |
| 904 | ** |
| 905 | ** Description This function is called to process excahnge MTU request. |
| 906 | ** Only used on LE. |
| 907 | ** |
| 908 | ** Returns void |
| 909 | ** |
| 910 | *******************************************************************************/ |
| 911 | static void gatts_process_mtu_req (tGATT_TCB *p_tcb, UINT16 len, UINT8 *p_data) |
| 912 | { |
| 913 | UINT16 mtu = 0; |
| 914 | UINT8 *p = p_data, i; |
| 915 | BT_HDR *p_buf; |
| 916 | UINT16 conn_id; |
| 917 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 918 | /* BR/EDR conenction, send error response */ |
| 919 | if (p_tcb->att_lcid != L2CAP_ATT_CID) |
| 920 | { |
| 921 | gatt_send_error_rsp (p_tcb, GATT_REQ_NOT_SUPPORTED, GATT_REQ_MTU, 0, FALSE); |
| 922 | } |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 923 | else if (len < GATT_MTU_REQ_MIN_LEN) |
| 924 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 925 | GATT_TRACE_ERROR("invalid MTU request PDU received."); |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 926 | gatt_send_error_rsp (p_tcb, GATT_INVALID_PDU, GATT_REQ_MTU, 0, FALSE); |
| 927 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 928 | else |
| 929 | { |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 930 | STREAM_TO_UINT16 (mtu, p); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 931 | /* mtu must be greater than default MTU which is 23/48 */ |
Andre Eisenbach | 4b63869 | 2013-06-14 13:22:25 -0700 | [diff] [blame] | 932 | if (mtu < GATT_DEF_BLE_MTU_SIZE) |
| 933 | p_tcb->payload_size = GATT_DEF_BLE_MTU_SIZE; |
| 934 | else if (mtu > GATT_MAX_MTU_SIZE) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 935 | p_tcb->payload_size = GATT_MAX_MTU_SIZE; |
Andre Eisenbach | 4b63869 | 2013-06-14 13:22:25 -0700 | [diff] [blame] | 936 | else |
| 937 | p_tcb->payload_size = mtu; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 938 | |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 939 | 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] | 940 | |
Priti Aghera | 636d671 | 2014-12-18 13:55:48 -0800 | [diff] [blame] | 941 | l2cble_set_fixed_channel_tx_data_length(p_tcb->peer_bda, L2CAP_ATT_CID, p_tcb->payload_size); |
| 942 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 943 | if ((p_buf = attp_build_sr_msg(p_tcb, GATT_RSP_MTU, (tGATT_SR_MSG *) &p_tcb->payload_size)) != NULL) |
| 944 | { |
| 945 | attp_send_sr_msg (p_tcb, p_buf); |
| 946 | |
| 947 | /* Notify all registered applicaiton with new MTU size. Us a transaction ID */ |
| 948 | /* of 0, as no response is allowed from applcations */ |
| 949 | |
| 950 | for (i = 0; i < GATT_MAX_APPS; i ++) |
| 951 | { |
| 952 | if (gatt_cb.cl_rcb[i].in_use ) |
| 953 | { |
| 954 | conn_id = GATT_CREATE_CONN_ID(p_tcb->tcb_idx, gatt_cb.cl_rcb[i].gatt_if); |
| 955 | gatt_sr_send_req_callback(conn_id, 0, GATTS_REQ_TYPE_MTU, |
| 956 | (tGATTS_DATA *)&p_tcb->payload_size); |
| 957 | } |
| 958 | } |
| 959 | |
| 960 | } |
| 961 | } |
| 962 | } |
| 963 | |
| 964 | /******************************************************************************* |
| 965 | ** |
| 966 | ** Function gatts_process_read_by_type_req |
| 967 | ** |
| 968 | ** Description process Read By type request. |
| 969 | ** This PDU can be used to perform: |
| 970 | ** - read characteristic value |
| 971 | ** - read characteristic descriptor value |
| 972 | ** - discover characteristic |
| 973 | ** - discover characteristic by UUID |
| 974 | ** - relationship discovery |
| 975 | ** |
| 976 | ** Returns void |
| 977 | ** |
| 978 | *******************************************************************************/ |
| 979 | void gatts_process_read_by_type_req(tGATT_TCB *p_tcb, UINT8 op_code, UINT16 len, UINT8 *p_data) |
| 980 | { |
| 981 | tBT_UUID uuid; |
| 982 | tGATT_SR_REG *p_rcb; |
| 983 | UINT16 msg_len = (UINT16)(sizeof(BT_HDR) + p_tcb->payload_size + L2CAP_MIN_OFFSET), |
| 984 | buf_len, |
| 985 | s_hdl, e_hdl, err_hdl = 0; |
| 986 | BT_HDR *p_msg = NULL; |
| 987 | tGATT_STATUS reason, ret; |
| 988 | UINT8 *p; |
| 989 | UINT8 sec_flag, key_size; |
| 990 | tGATT_SRV_LIST_INFO *p_list= &gatt_cb.srv_list_info; |
| 991 | tGATT_SRV_LIST_ELEM *p_srv=NULL; |
| 992 | |
| 993 | reason = gatts_validate_packet_format(op_code, &len, &p_data, &uuid, &s_hdl, &e_hdl); |
| 994 | |
| 995 | #if GATT_CONFORMANCE_TESTING == TRUE |
| 996 | if (gatt_cb.enable_err_rsp && gatt_cb.req_op_code == op_code) |
| 997 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 998 | 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] | 999 | |
| 1000 | gatt_send_error_rsp (p_tcb, gatt_cb.err_status, gatt_cb.req_op_code, s_hdl, FALSE); |
| 1001 | |
| 1002 | return; |
| 1003 | } |
| 1004 | #endif |
| 1005 | |
| 1006 | if (reason == GATT_SUCCESS) |
| 1007 | { |
| 1008 | if ((p_msg = (BT_HDR *)GKI_getbuf(msg_len)) == NULL) |
| 1009 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 1010 | 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] | 1011 | |
| 1012 | reason = GATT_NO_RESOURCES; |
| 1013 | } |
| 1014 | else |
| 1015 | { |
| 1016 | memset(p_msg, 0, msg_len); |
| 1017 | p = (UINT8 *)(p_msg + 1) + L2CAP_MIN_OFFSET; |
| 1018 | |
| 1019 | *p ++ = op_code + 1; |
| 1020 | /* reserve length byte */ |
| 1021 | p_msg->len = 2; |
| 1022 | buf_len = p_tcb->payload_size - 2; |
| 1023 | |
| 1024 | reason = GATT_NOT_FOUND; |
| 1025 | |
| 1026 | p_srv = p_list->p_first; |
| 1027 | |
| 1028 | while (p_srv) |
| 1029 | { |
| 1030 | p_rcb = GATT_GET_SR_REG_PTR(p_srv->i_sreg); |
| 1031 | |
| 1032 | if (p_rcb->in_use && |
| 1033 | !(p_rcb->s_hdl > e_hdl || |
| 1034 | p_rcb->e_hdl < s_hdl)) |
| 1035 | { |
| 1036 | gatt_sr_get_sec_info(p_tcb->peer_bda, |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1037 | p_tcb->transport, |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1038 | &sec_flag, |
| 1039 | &key_size); |
| 1040 | |
| 1041 | ret = gatts_db_read_attr_value_by_type(p_tcb, |
| 1042 | p_rcb->p_db, |
| 1043 | op_code, |
| 1044 | p_msg, |
| 1045 | s_hdl, |
| 1046 | e_hdl, |
| 1047 | uuid, |
| 1048 | &buf_len, |
| 1049 | sec_flag, |
| 1050 | key_size, |
| 1051 | 0, |
| 1052 | &err_hdl); |
| 1053 | if (ret != GATT_NOT_FOUND) |
| 1054 | { |
| 1055 | reason = ret; |
| 1056 | |
| 1057 | if (ret == GATT_NO_RESOURCES) |
| 1058 | reason = GATT_SUCCESS; |
| 1059 | } |
| 1060 | if (ret != GATT_SUCCESS && ret != GATT_NOT_FOUND) |
| 1061 | { |
| 1062 | s_hdl = err_hdl; |
| 1063 | break; |
| 1064 | } |
| 1065 | } |
| 1066 | p_srv = p_srv->p_next; |
| 1067 | } |
| 1068 | *p = (UINT8)p_msg->offset; |
| 1069 | p_msg->offset = L2CAP_MIN_OFFSET; |
| 1070 | } |
| 1071 | } |
| 1072 | if (reason != GATT_SUCCESS) |
| 1073 | { |
| 1074 | if (p_msg) GKI_freebuf(p_msg); |
| 1075 | |
| 1076 | /* in theroy BUSY is not possible(should already been checked), protected check */ |
| 1077 | if (reason != GATT_PENDING && reason != GATT_BUSY) |
| 1078 | gatt_send_error_rsp (p_tcb, reason, op_code, s_hdl, FALSE); |
| 1079 | } |
| 1080 | else |
| 1081 | attp_send_sr_msg(p_tcb, p_msg); |
| 1082 | |
| 1083 | } |
| 1084 | |
| 1085 | /******************************************************************************* |
| 1086 | ** |
| 1087 | ** Function gatts_process_write_req |
| 1088 | ** |
| 1089 | ** Description This function is called to process the write request |
| 1090 | ** from client. |
| 1091 | ** |
| 1092 | ** Returns void |
| 1093 | ** |
| 1094 | *******************************************************************************/ |
| 1095 | void gatts_process_write_req (tGATT_TCB *p_tcb, UINT8 i_rcb, UINT16 handle, |
| 1096 | UINT8 op_code, UINT16 len, UINT8 *p_data) |
| 1097 | { |
| 1098 | tGATTS_DATA sr_data; |
| 1099 | UINT32 trans_id; |
| 1100 | tGATT_STATUS status; |
| 1101 | UINT8 sec_flag, key_size, *p = p_data; |
| 1102 | tGATT_SR_REG *p_sreg; |
| 1103 | UINT16 conn_id; |
| 1104 | |
| 1105 | memset(&sr_data, 0, sizeof(tGATTS_DATA)); |
| 1106 | |
| 1107 | switch (op_code) |
| 1108 | { |
| 1109 | case GATT_REQ_PREPARE_WRITE: |
| 1110 | sr_data.write_req.is_prep = TRUE; |
| 1111 | STREAM_TO_UINT16(sr_data.write_req.offset, p); |
| 1112 | len -= 2; |
| 1113 | /* fall through */ |
| 1114 | case GATT_SIGN_CMD_WRITE: |
| 1115 | if (op_code == GATT_SIGN_CMD_WRITE) |
| 1116 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 1117 | GATT_TRACE_DEBUG("Write CMD with data sigining" ); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1118 | len -= GATT_AUTH_SIGN_LEN; |
| 1119 | } |
| 1120 | /* fall through */ |
| 1121 | case GATT_CMD_WRITE: |
| 1122 | case GATT_REQ_WRITE: |
| 1123 | if (op_code == GATT_REQ_WRITE || op_code == GATT_REQ_PREPARE_WRITE) |
| 1124 | sr_data.write_req.need_rsp = TRUE; |
| 1125 | sr_data.write_req.handle = handle; |
| 1126 | sr_data.write_req.len = len; |
Satya Calloji | 444a8da | 2015-03-06 10:38:22 -0800 | [diff] [blame] | 1127 | if (len != 0 && p != NULL) |
| 1128 | { |
| 1129 | memcpy (sr_data.write_req.value, p, len); |
| 1130 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1131 | break; |
| 1132 | } |
| 1133 | |
| 1134 | gatt_sr_get_sec_info(p_tcb->peer_bda, |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1135 | p_tcb->transport, |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1136 | &sec_flag, |
| 1137 | &key_size); |
| 1138 | |
| 1139 | status = gatts_write_attr_perm_check (gatt_cb.sr_reg[i_rcb].p_db, |
| 1140 | op_code, |
| 1141 | handle, |
| 1142 | sr_data.write_req.offset, |
| 1143 | p, |
| 1144 | len, |
| 1145 | sec_flag, |
| 1146 | key_size); |
| 1147 | |
| 1148 | if (status == GATT_SUCCESS) |
| 1149 | { |
| 1150 | if ((trans_id = gatt_sr_enqueue_cmd(p_tcb, op_code, handle)) != 0) |
| 1151 | { |
| 1152 | p_sreg = &gatt_cb.sr_reg[i_rcb]; |
| 1153 | conn_id = GATT_CREATE_CONN_ID(p_tcb->tcb_idx, p_sreg->gatt_if); |
| 1154 | gatt_sr_send_req_callback(conn_id, |
| 1155 | trans_id, |
| 1156 | GATTS_REQ_TYPE_WRITE, |
| 1157 | &sr_data); |
| 1158 | |
| 1159 | status = GATT_PENDING; |
| 1160 | } |
| 1161 | else |
| 1162 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 1163 | GATT_TRACE_ERROR("max pending command, send error"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1164 | status = GATT_BUSY; /* max pending command, application error */ |
| 1165 | } |
| 1166 | } |
| 1167 | |
| 1168 | /* in theroy BUSY is not possible(should already been checked), protected check */ |
| 1169 | if (status != GATT_PENDING && status != GATT_BUSY && |
| 1170 | (op_code == GATT_REQ_PREPARE_WRITE || op_code == GATT_REQ_WRITE)) |
| 1171 | { |
| 1172 | gatt_send_error_rsp (p_tcb, status, op_code, handle, FALSE); |
| 1173 | } |
| 1174 | return; |
| 1175 | } |
| 1176 | |
| 1177 | /******************************************************************************* |
| 1178 | ** |
| 1179 | ** Function gatts_process_read_req |
| 1180 | ** |
| 1181 | ** Description This function is called to process the read request |
| 1182 | ** from client. |
| 1183 | ** |
| 1184 | ** Returns void |
| 1185 | ** |
| 1186 | *******************************************************************************/ |
| 1187 | 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] | 1188 | UINT16 handle, UINT16 len, UINT8 *p_data) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1189 | { |
| 1190 | UINT16 buf_len = (UINT16)(sizeof(BT_HDR) + p_tcb->payload_size + L2CAP_MIN_OFFSET); |
| 1191 | tGATT_STATUS reason; |
| 1192 | BT_HDR *p_msg = NULL; |
| 1193 | UINT8 sec_flag, key_size, *p; |
| 1194 | UINT16 offset = 0, value_len = 0; |
| 1195 | |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1196 | UNUSED (len); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1197 | if ((p_msg = (BT_HDR *)GKI_getbuf(buf_len)) == NULL) |
| 1198 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 1199 | 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] | 1200 | |
| 1201 | reason = GATT_NO_RESOURCES; |
| 1202 | } |
| 1203 | else |
| 1204 | { |
| 1205 | if (op_code == GATT_REQ_READ_BLOB) |
| 1206 | STREAM_TO_UINT16(offset, p_data); |
| 1207 | |
| 1208 | memset(p_msg, 0, buf_len); |
| 1209 | p = (UINT8 *)(p_msg + 1) + L2CAP_MIN_OFFSET; |
| 1210 | *p ++ = op_code + 1; |
| 1211 | p_msg->len = 1; |
| 1212 | buf_len = p_tcb->payload_size - 1; |
| 1213 | |
| 1214 | gatt_sr_get_sec_info(p_tcb->peer_bda, |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1215 | p_tcb->transport, |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1216 | &sec_flag, |
| 1217 | &key_size); |
| 1218 | |
| 1219 | reason = gatts_read_attr_value_by_handle(p_tcb, |
| 1220 | p_rcb->p_db, |
| 1221 | op_code, |
| 1222 | handle, |
| 1223 | offset, |
| 1224 | p, |
| 1225 | &value_len, |
| 1226 | buf_len, |
| 1227 | sec_flag, |
| 1228 | key_size, |
| 1229 | 0); |
| 1230 | |
| 1231 | p_msg->len += value_len; |
| 1232 | } |
| 1233 | |
| 1234 | if (reason != GATT_SUCCESS) |
| 1235 | { |
| 1236 | if (p_msg) GKI_freebuf(p_msg); |
| 1237 | |
| 1238 | /* in theroy BUSY is not possible(should already been checked), protected check */ |
| 1239 | if (reason != GATT_PENDING && reason != GATT_BUSY) |
| 1240 | gatt_send_error_rsp (p_tcb, reason, op_code, handle, FALSE); |
| 1241 | } |
| 1242 | else |
| 1243 | attp_send_sr_msg(p_tcb, p_msg); |
| 1244 | |
| 1245 | } |
| 1246 | |
| 1247 | /******************************************************************************* |
| 1248 | ** |
| 1249 | ** Function gatts_process_attribute_req |
| 1250 | ** |
| 1251 | ** Description This function is called to process the per attribute handle request |
| 1252 | ** from client. |
| 1253 | ** |
| 1254 | ** Returns void |
| 1255 | ** |
| 1256 | *******************************************************************************/ |
| 1257 | void gatts_process_attribute_req (tGATT_TCB *p_tcb, UINT8 op_code, |
| 1258 | UINT16 len, UINT8 *p_data) |
| 1259 | { |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 1260 | UINT16 handle = 0; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1261 | UINT8 *p = p_data, i; |
| 1262 | tGATT_SR_REG *p_rcb = gatt_cb.sr_reg; |
| 1263 | tGATT_STATUS status = GATT_INVALID_HANDLE; |
| 1264 | tGATT_ATTR16 *p_attr; |
| 1265 | |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 1266 | if (len < 2) |
| 1267 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 1268 | GATT_TRACE_ERROR("Illegal PDU length, discard request"); |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 1269 | status = GATT_INVALID_PDU; |
| 1270 | } |
| 1271 | else |
| 1272 | { |
| 1273 | STREAM_TO_UINT16(handle, p); |
| 1274 | len -= 2; |
| 1275 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1276 | |
| 1277 | #if GATT_CONFORMANCE_TESTING == TRUE |
Andre Eisenbach | 6975b4d | 2013-08-05 16:55:38 -0700 | [diff] [blame] | 1278 | gatt_cb.handle = handle; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1279 | if (gatt_cb.enable_err_rsp && gatt_cb.req_op_code == op_code) |
| 1280 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 1281 | 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] | 1282 | |
| 1283 | gatt_send_error_rsp (p_tcb, gatt_cb.err_status, gatt_cb.req_op_code, handle, FALSE); |
| 1284 | |
| 1285 | return; |
| 1286 | } |
| 1287 | #endif |
| 1288 | |
| 1289 | if (GATT_HANDLE_IS_VALID(handle)) |
| 1290 | { |
| 1291 | for (i = 0; i < GATT_MAX_SR_PROFILES; i ++, p_rcb ++) |
| 1292 | { |
| 1293 | if (p_rcb->in_use && p_rcb->s_hdl <= handle && p_rcb->e_hdl >= handle) |
| 1294 | { |
| 1295 | p_attr = (tGATT_ATTR16 *)p_rcb->p_db->p_attr_list; |
| 1296 | |
| 1297 | while (p_attr) |
| 1298 | { |
| 1299 | if (p_attr->handle == handle) |
| 1300 | { |
| 1301 | switch (op_code) |
| 1302 | { |
| 1303 | case GATT_REQ_READ: /* read char/char descriptor value */ |
| 1304 | case GATT_REQ_READ_BLOB: |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1305 | 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] | 1306 | break; |
| 1307 | |
| 1308 | case GATT_REQ_WRITE: /* write char/char descriptor value */ |
| 1309 | case GATT_CMD_WRITE: |
| 1310 | case GATT_SIGN_CMD_WRITE: |
| 1311 | case GATT_REQ_PREPARE_WRITE: |
| 1312 | gatts_process_write_req(p_tcb, i, handle, op_code, len, p); |
| 1313 | break; |
| 1314 | default: |
| 1315 | break; |
| 1316 | } |
| 1317 | status = GATT_SUCCESS; |
| 1318 | break; |
| 1319 | } |
| 1320 | p_attr = (tGATT_ATTR16 *)p_attr->p_next; |
| 1321 | } |
| 1322 | break; |
| 1323 | } |
| 1324 | } |
| 1325 | } |
| 1326 | |
| 1327 | if (status != GATT_SUCCESS && op_code != GATT_CMD_WRITE && op_code != GATT_SIGN_CMD_WRITE) |
| 1328 | gatt_send_error_rsp (p_tcb, status, op_code, handle, FALSE); |
| 1329 | } |
| 1330 | |
| 1331 | /******************************************************************************* |
| 1332 | ** |
| 1333 | ** Function gatts_proc_srv_chg_ind_ack |
| 1334 | ** |
| 1335 | ** Description This function process the service changed indicaiton ACK |
| 1336 | ** |
| 1337 | ** Returns void |
| 1338 | ** |
| 1339 | *******************************************************************************/ |
| 1340 | static void gatts_proc_srv_chg_ind_ack(tGATT_TCB *p_tcb ) |
| 1341 | { |
| 1342 | tGATTS_SRV_CHG_REQ req; |
| 1343 | tGATTS_SRV_CHG *p_buf = NULL; |
| 1344 | |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 1345 | GATT_TRACE_DEBUG("gatts_proc_srv_chg_ind_ack"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1346 | |
| 1347 | if ((p_buf = gatt_is_bda_in_the_srv_chg_clt_list(p_tcb->peer_bda)) != NULL) |
| 1348 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 1349 | GATT_TRACE_DEBUG("NV update set srv chg = FALSE"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1350 | p_buf->srv_changed = FALSE; |
| 1351 | memcpy(&req.srv_chg, p_buf, sizeof(tGATTS_SRV_CHG)); |
| 1352 | if (gatt_cb.cb_info.p_srv_chg_callback) |
| 1353 | (*gatt_cb.cb_info.p_srv_chg_callback)(GATTS_SRV_CHG_CMD_UPDATE_CLIENT,&req, NULL); |
| 1354 | } |
| 1355 | } |
| 1356 | |
| 1357 | /******************************************************************************* |
| 1358 | ** |
| 1359 | ** Function gatts_chk_pending_ind |
| 1360 | ** |
| 1361 | ** Description This function check any pending indication needs to be sent if |
| 1362 | ** there is a pending indication then sent the indication |
| 1363 | ** |
| 1364 | ** Returns void |
| 1365 | ** |
| 1366 | *******************************************************************************/ |
| 1367 | static void gatts_chk_pending_ind(tGATT_TCB *p_tcb ) |
| 1368 | { |
Pavlin Radoslavov | 1a3844f | 2015-09-25 11:21:15 -0700 | [diff] [blame^] | 1369 | GATT_TRACE_DEBUG("%s", __func__); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1370 | |
Pavlin Radoslavov | 1a3844f | 2015-09-25 11:21:15 -0700 | [diff] [blame^] | 1371 | tGATT_VALUE *p_buf = (tGATT_VALUE *)fixed_queue_try_peek_first(p_tcb->pending_ind_q); |
| 1372 | if (p_buf != NULL) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1373 | { |
Pavlin Radoslavov | 1a3844f | 2015-09-25 11:21:15 -0700 | [diff] [blame^] | 1374 | GATTS_HandleValueIndication(p_buf->conn_id, |
| 1375 | p_buf->handle, |
| 1376 | p_buf->len, |
| 1377 | p_buf->value); |
| 1378 | GKI_freebuf(fixed_queue_try_remove_from_queue(p_tcb->pending_ind_q, |
| 1379 | p_buf)); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1380 | } |
| 1381 | } |
| 1382 | |
| 1383 | /******************************************************************************* |
| 1384 | ** |
| 1385 | ** Function gatts_proc_ind_ack |
| 1386 | ** |
| 1387 | ** Description This function process the Indication ack |
| 1388 | ** |
| 1389 | ** Returns TRUE continue to process the indication ack by the aaplication |
| 1390 | ** if the ACk is not a Service Changed Indication Ack |
| 1391 | ** |
| 1392 | *******************************************************************************/ |
| 1393 | static BOOLEAN gatts_proc_ind_ack(tGATT_TCB *p_tcb, UINT16 ack_handle) |
| 1394 | { |
| 1395 | BOOLEAN continue_processing = TRUE; |
| 1396 | |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 1397 | 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] | 1398 | |
| 1399 | if (ack_handle == gatt_cb.handle_of_h_r) |
| 1400 | { |
| 1401 | gatts_proc_srv_chg_ind_ack(p_tcb); |
| 1402 | /* there is no need to inform the application since srv chg is handled internally by GATT */ |
| 1403 | continue_processing = FALSE; |
| 1404 | } |
| 1405 | |
| 1406 | gatts_chk_pending_ind(p_tcb); |
| 1407 | return continue_processing; |
| 1408 | } |
| 1409 | |
| 1410 | /******************************************************************************* |
| 1411 | ** |
| 1412 | ** Function gatts_process_value_conf |
| 1413 | ** |
| 1414 | ** Description This function is called to process the handle value confirmation. |
| 1415 | ** |
| 1416 | ** Returns void |
| 1417 | ** |
| 1418 | *******************************************************************************/ |
| 1419 | void gatts_process_value_conf(tGATT_TCB *p_tcb, UINT8 op_code) |
| 1420 | { |
| 1421 | UINT16 handle = p_tcb->indicate_handle; |
| 1422 | UINT32 trans_id; |
| 1423 | UINT8 i; |
| 1424 | tGATT_SR_REG *p_rcb = gatt_cb.sr_reg; |
| 1425 | BOOLEAN continue_processing; |
| 1426 | UINT16 conn_id; |
| 1427 | |
| 1428 | btu_stop_timer (&p_tcb->conf_timer_ent); |
| 1429 | if (GATT_HANDLE_IS_VALID(handle)) |
| 1430 | { |
| 1431 | p_tcb->indicate_handle = 0; |
| 1432 | continue_processing = gatts_proc_ind_ack(p_tcb, handle); |
| 1433 | |
| 1434 | if (continue_processing) |
| 1435 | { |
| 1436 | for (i = 0; i < GATT_MAX_SR_PROFILES; i ++, p_rcb ++) |
| 1437 | { |
| 1438 | if (p_rcb->in_use && p_rcb->s_hdl <= handle && p_rcb->e_hdl >= handle) |
| 1439 | { |
| 1440 | trans_id = gatt_sr_enqueue_cmd(p_tcb, op_code, handle); |
| 1441 | conn_id = GATT_CREATE_CONN_ID(p_tcb->tcb_idx, p_rcb->gatt_if); |
| 1442 | gatt_sr_send_req_callback(conn_id, |
| 1443 | trans_id, GATTS_REQ_TYPE_CONF, (tGATTS_DATA *)&handle); |
| 1444 | } |
| 1445 | } |
| 1446 | } |
| 1447 | } |
| 1448 | else |
| 1449 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 1450 | GATT_TRACE_ERROR("unexpected handle value confirmation"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1451 | } |
| 1452 | } |
| 1453 | |
| 1454 | /******************************************************************************* |
| 1455 | ** |
| 1456 | ** Function gatt_server_handle_client_req |
| 1457 | ** |
| 1458 | ** Description This function is called to handle the client requests to |
| 1459 | ** server. |
| 1460 | ** |
| 1461 | ** |
| 1462 | ** Returns void |
| 1463 | ** |
| 1464 | *******************************************************************************/ |
| 1465 | void gatt_server_handle_client_req (tGATT_TCB *p_tcb, UINT8 op_code, |
| 1466 | UINT16 len, UINT8 *p_data) |
| 1467 | { |
| 1468 | /* there is pending command, discard this one */ |
| 1469 | if (!gatt_sr_cmd_empty(p_tcb) && op_code != GATT_HANDLE_VALUE_CONF) |
| 1470 | return; |
| 1471 | |
| 1472 | /* the size of the message may not be bigger than the local max PDU size*/ |
| 1473 | /* The message has to be smaller than the agreed MTU, len does not include op code */ |
| 1474 | if (len >= p_tcb->payload_size) |
| 1475 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 1476 | 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] | 1477 | /* for invalid request expecting response, send it now */ |
| 1478 | if (op_code != GATT_CMD_WRITE && |
| 1479 | op_code != GATT_SIGN_CMD_WRITE && |
| 1480 | op_code != GATT_HANDLE_VALUE_CONF) |
| 1481 | { |
| 1482 | gatt_send_error_rsp (p_tcb, GATT_INVALID_PDU, op_code, 0, FALSE); |
| 1483 | } |
| 1484 | /* otherwise, ignore the pkt */ |
| 1485 | } |
| 1486 | else |
| 1487 | { |
| 1488 | switch (op_code) |
| 1489 | { |
| 1490 | case GATT_REQ_READ_BY_GRP_TYPE: /* discover primary services */ |
| 1491 | case GATT_REQ_FIND_TYPE_VALUE: /* discover service by UUID */ |
| 1492 | gatts_process_primary_service_req (p_tcb, op_code, len, p_data); |
| 1493 | break; |
| 1494 | |
| 1495 | case GATT_REQ_FIND_INFO:/* discover char descrptor */ |
| 1496 | gatts_process_find_info(p_tcb, op_code, len, p_data); |
| 1497 | break; |
| 1498 | |
| 1499 | case GATT_REQ_READ_BY_TYPE: /* read characteristic value, char descriptor value */ |
| 1500 | /* discover characteristic, discover char by UUID */ |
| 1501 | gatts_process_read_by_type_req(p_tcb, op_code, len, p_data); |
| 1502 | break; |
| 1503 | |
| 1504 | |
| 1505 | case GATT_REQ_READ: /* read char/char descriptor value */ |
| 1506 | case GATT_REQ_READ_BLOB: |
| 1507 | case GATT_REQ_WRITE: /* write char/char descriptor value */ |
| 1508 | case GATT_CMD_WRITE: |
| 1509 | case GATT_SIGN_CMD_WRITE: |
| 1510 | case GATT_REQ_PREPARE_WRITE: |
| 1511 | gatts_process_attribute_req (p_tcb, op_code, len, p_data); |
| 1512 | break; |
| 1513 | |
| 1514 | case GATT_HANDLE_VALUE_CONF: |
| 1515 | gatts_process_value_conf (p_tcb, op_code); |
| 1516 | break; |
| 1517 | |
| 1518 | case GATT_REQ_MTU: |
| 1519 | gatts_process_mtu_req (p_tcb, len, p_data); |
| 1520 | break; |
| 1521 | |
| 1522 | case GATT_REQ_EXEC_WRITE: |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1523 | 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] | 1524 | break; |
| 1525 | |
| 1526 | case GATT_REQ_READ_MULTI: |
| 1527 | gatt_process_read_multi_req (p_tcb, op_code, len, p_data); |
| 1528 | break; |
| 1529 | |
| 1530 | default: |
| 1531 | break; |
| 1532 | } |
| 1533 | } |
| 1534 | } |
| 1535 | |
| 1536 | #endif /* BLE_INCLUDED */ |