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" |
Myles Watson | d7ffd64 | 2016-10-27 10:27:36 -0700 | [diff] [blame] | 27 | #include "osi/include/osi.h" |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 28 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 | /******************************************************************************* |
Myles Watson | ee96a3c | 2016-11-23 14:49:54 -0800 | [diff] [blame] | 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 | ******************************************************************************/ |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 46 | uint32_t gatt_sr_enqueue_cmd (tGATT_TCB *p_tcb, uint8_t op_code, uint16_t handle) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 47 | { |
| 48 | tGATT_SR_CMD *p_cmd = &p_tcb->sr_cmd; |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 49 | uint32_t trans_id = 0; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 | /******************************************************************************* |
Myles Watson | ee96a3c | 2016-11-23 14:49:54 -0800 | [diff] [blame] | 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 | ******************************************************************************/ |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 84 | bool gatt_sr_cmd_empty (tGATT_TCB *p_tcb) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 85 | { |
| 86 | return(p_tcb->sr_cmd.op_code == 0); |
| 87 | } |
| 88 | |
| 89 | /******************************************************************************* |
Myles Watson | ee96a3c | 2016-11-23 14:49:54 -0800 | [diff] [blame] | 90 | * |
| 91 | * Function gatt_dequeue_sr_cmd |
| 92 | * |
| 93 | * Description This function dequeue the request from command queue. |
| 94 | * |
| 95 | * Returns void |
| 96 | * |
| 97 | ******************************************************************************/ |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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) |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 103 | GATT_TRACE_ERROR("free p_tcb->sr_cmd.p_rsp_msg = %d", p_tcb->sr_cmd.p_rsp_msg); |
Pavlin Radoslavov | cceb430 | 2016-02-05 13:54:43 -0800 | [diff] [blame] | 104 | osi_free_and_reset((void **)&p_tcb->sr_cmd.p_rsp_msg); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 105 | |
Pavlin Radoslavov | 1a3844f | 2015-09-25 11:21:15 -0700 | [diff] [blame] | 106 | while (!fixed_queue_is_empty(p_tcb->sr_cmd.multi_rsp_q)) |
Pavlin Radoslavov | cceb430 | 2016-02-05 13:54:43 -0800 | [diff] [blame] | 107 | osi_free(fixed_queue_try_dequeue(p_tcb->sr_cmd.multi_rsp_q)); |
Pavlin Radoslavov | 1a3844f | 2015-09-25 11:21:15 -0700 | [diff] [blame] | 108 | 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] | 109 | memset( &p_tcb->sr_cmd, 0, sizeof(tGATT_SR_CMD)); |
| 110 | } |
| 111 | |
| 112 | /******************************************************************************* |
Myles Watson | ee96a3c | 2016-11-23 14:49:54 -0800 | [diff] [blame] | 113 | * |
| 114 | * Function process_read_multi_rsp |
| 115 | * |
| 116 | * Description This function check the read multiple response. |
| 117 | * |
| 118 | * Returns bool if all replies have been received |
| 119 | * |
| 120 | ******************************************************************************/ |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 121 | static bool process_read_multi_rsp (tGATT_SR_CMD *p_cmd, tGATT_STATUS status, |
| 122 | tGATTS_RSP *p_msg, uint16_t mtu) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 123 | { |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 124 | uint16_t ii, total_len, len; |
| 125 | uint8_t *p; |
| 126 | bool is_overflow = false; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 127 | |
Subramanian Srinivasan | 089cd11 | 2016-05-16 11:14:03 -0700 | [diff] [blame] | 128 | GATT_TRACE_DEBUG ("%s status=%d mtu=%d", __func__, status, mtu); |
| 129 | |
| 130 | if (p_cmd->multi_rsp_q == NULL) |
| 131 | p_cmd->multi_rsp_q = fixed_queue_new(SIZE_MAX); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 132 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 133 | /* Enqueue the response */ |
Subramanian Srinivasan | 089cd11 | 2016-05-16 11:14:03 -0700 | [diff] [blame] | 134 | BT_HDR *p_buf = (BT_HDR *)osi_malloc(sizeof(tGATTS_RSP)); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 135 | memcpy((void *)p_buf, (const void *)p_msg, sizeof(tGATTS_RSP)); |
Pavlin Radoslavov | 1a3844f | 2015-09-25 11:21:15 -0700 | [diff] [blame] | 136 | 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] | 137 | |
| 138 | p_cmd->status = status; |
| 139 | if (status == GATT_SUCCESS) |
| 140 | { |
Pavlin Radoslavov | 1a3844f | 2015-09-25 11:21:15 -0700 | [diff] [blame] | 141 | GATT_TRACE_DEBUG("Multi read count=%d num_hdls=%d", |
Pavlin Radoslavov | 4394720 | 2016-02-13 08:47:19 -0800 | [diff] [blame] | 142 | fixed_queue_length(p_cmd->multi_rsp_q), |
Pavlin Radoslavov | 1a3844f | 2015-09-25 11:21:15 -0700 | [diff] [blame] | 143 | p_cmd->multi_req.num_handles); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 144 | /* Wait till we get all the responses */ |
Pavlin Radoslavov | 1a3844f | 2015-09-25 11:21:15 -0700 | [diff] [blame] | 145 | 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] | 146 | { |
| 147 | len = sizeof(BT_HDR) + L2CAP_MIN_OFFSET + mtu; |
Pavlin Radoslavov | 717a4a9 | 2016-02-06 08:36:06 -0800 | [diff] [blame] | 148 | p_buf = (BT_HDR *)osi_calloc(len); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 149 | p_buf->offset = L2CAP_MIN_OFFSET; |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 150 | p = (uint8_t *)(p_buf + 1) + p_buf->offset; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 151 | |
| 152 | /* First byte in the response is the opcode */ |
| 153 | *p++ = GATT_RSP_READ_MULTI; |
| 154 | p_buf->len = 1; |
| 155 | |
| 156 | /* Now walk through the buffers puting the data into the response in order */ |
Pavlin Radoslavov | 577862e | 2015-10-07 18:07:48 -0700 | [diff] [blame] | 157 | list_t *list = NULL; |
| 158 | const list_node_t *node = NULL; |
| 159 | if (! fixed_queue_is_empty(p_cmd->multi_rsp_q)) |
| 160 | list = fixed_queue_get_list(p_cmd->multi_rsp_q); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 161 | for (ii = 0; ii < p_cmd->multi_req.num_handles; ii++) |
| 162 | { |
Pavlin Radoslavov | 1a3844f | 2015-09-25 11:21:15 -0700 | [diff] [blame] | 163 | tGATTS_RSP *p_rsp = NULL; |
| 164 | |
Pavlin Radoslavov | 577862e | 2015-10-07 18:07:48 -0700 | [diff] [blame] | 165 | if (list != NULL) { |
| 166 | if (ii == 0) |
| 167 | node = list_begin(list); |
| 168 | else |
| 169 | node = list_next(node); |
| 170 | if (node != list_end(list)) |
| 171 | p_rsp = (tGATTS_RSP *)list_node(node); |
| 172 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 173 | |
| 174 | if (p_rsp != NULL) |
| 175 | { |
| 176 | |
| 177 | total_len = (p_buf->len + p_rsp->attr_value.len); |
| 178 | |
| 179 | if (total_len > mtu) |
| 180 | { |
| 181 | /* just send the partial response for the overflow case */ |
| 182 | len = p_rsp->attr_value.len - (total_len - mtu); |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 183 | is_overflow = true; |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 184 | 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] | 185 | } |
| 186 | else |
| 187 | { |
| 188 | len = p_rsp->attr_value.len; |
| 189 | } |
| 190 | |
| 191 | if (p_rsp->attr_value.handle == p_cmd->multi_req.handles[ii]) |
| 192 | { |
| 193 | memcpy (p, p_rsp->attr_value.value, len); |
| 194 | if (!is_overflow) |
| 195 | p += len; |
| 196 | p_buf->len += len; |
| 197 | } |
| 198 | else |
| 199 | { |
| 200 | p_cmd->status = GATT_NOT_FOUND; |
| 201 | break; |
| 202 | } |
| 203 | |
| 204 | if (is_overflow) |
| 205 | break; |
| 206 | |
| 207 | } |
| 208 | else |
| 209 | { |
| 210 | p_cmd->status = GATT_NOT_FOUND; |
| 211 | break; |
| 212 | } |
| 213 | |
| 214 | } /* loop through all handles*/ |
| 215 | |
| 216 | |
| 217 | /* Sanity check on the buffer length */ |
| 218 | if (p_buf->len == 0) |
| 219 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 220 | GATT_TRACE_ERROR("process_read_multi_rsp - nothing found!!"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 221 | p_cmd->status = GATT_NOT_FOUND; |
Pavlin Radoslavov | cceb430 | 2016-02-05 13:54:43 -0800 | [diff] [blame] | 222 | osi_free(p_buf); |
| 223 | GATT_TRACE_DEBUG("osi_free(p_buf)"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 224 | } |
| 225 | else if (p_cmd->p_rsp_msg != NULL) |
| 226 | { |
Pavlin Radoslavov | cceb430 | 2016-02-05 13:54:43 -0800 | [diff] [blame] | 227 | osi_free(p_buf); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 228 | } |
| 229 | else |
| 230 | { |
| 231 | p_cmd->p_rsp_msg = p_buf; |
| 232 | } |
| 233 | |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 234 | return(true); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 235 | } |
| 236 | } |
| 237 | else /* any handle read exception occurs, return error */ |
| 238 | { |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 239 | return(true); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 240 | } |
| 241 | |
| 242 | /* If here, still waiting */ |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 243 | return(false); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 244 | } |
| 245 | |
| 246 | /******************************************************************************* |
Myles Watson | ee96a3c | 2016-11-23 14:49:54 -0800 | [diff] [blame] | 247 | * |
| 248 | * Function gatt_sr_process_app_rsp |
| 249 | * |
| 250 | * Description This function checks whether the response message from application |
| 251 | * match any pending request or not. |
| 252 | * |
| 253 | * Returns void |
| 254 | * |
| 255 | ******************************************************************************/ |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 256 | tGATT_STATUS gatt_sr_process_app_rsp (tGATT_TCB *p_tcb, tGATT_IF gatt_if, |
Myles Watson | d35a648 | 2016-10-27 08:52:16 -0700 | [diff] [blame] | 257 | UNUSED_ATTR uint32_t trans_id, uint8_t op_code, |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 258 | tGATT_STATUS status, tGATTS_RSP *p_msg) |
| 259 | { |
| 260 | tGATT_STATUS ret_code = GATT_SUCCESS; |
| 261 | |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 262 | 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] | 263 | |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 264 | gatt_sr_update_cback_cnt(p_tcb, gatt_if, false, false); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 265 | |
| 266 | if (op_code == GATT_REQ_READ_MULTI) |
| 267 | { |
| 268 | /* If no error and still waiting, just return */ |
| 269 | if (!process_read_multi_rsp (&p_tcb->sr_cmd, status, p_msg, p_tcb->payload_size)) |
| 270 | return(GATT_SUCCESS); |
| 271 | } |
| 272 | else |
| 273 | { |
| 274 | if (op_code == GATT_REQ_PREPARE_WRITE && status == GATT_SUCCESS) |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 275 | gatt_sr_update_prep_cnt(p_tcb, gatt_if, true, false); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 276 | |
| 277 | if (op_code == GATT_REQ_EXEC_WRITE && status != GATT_SUCCESS) |
| 278 | gatt_sr_reset_cback_cnt(p_tcb); |
| 279 | |
| 280 | p_tcb->sr_cmd.status = status; |
| 281 | |
| 282 | if (gatt_sr_is_cback_cnt_zero(p_tcb) |
| 283 | && status == GATT_SUCCESS) |
| 284 | { |
| 285 | if (p_tcb->sr_cmd.p_rsp_msg == NULL) |
| 286 | { |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 287 | p_tcb->sr_cmd.p_rsp_msg = attp_build_sr_msg (p_tcb, (uint8_t)(op_code + 1), (tGATT_SR_MSG *)p_msg); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 288 | } |
| 289 | else |
| 290 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 291 | GATT_TRACE_ERROR("Exception!!! already has respond message"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 292 | } |
| 293 | } |
| 294 | } |
| 295 | if (gatt_sr_is_cback_cnt_zero(p_tcb)) |
| 296 | { |
| 297 | if ( (p_tcb->sr_cmd.status == GATT_SUCCESS) && (p_tcb->sr_cmd.p_rsp_msg) ) |
| 298 | { |
| 299 | ret_code = attp_send_sr_msg (p_tcb, p_tcb->sr_cmd.p_rsp_msg); |
| 300 | p_tcb->sr_cmd.p_rsp_msg = NULL; |
| 301 | } |
| 302 | else |
| 303 | { |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 304 | ret_code = gatt_send_error_rsp (p_tcb, status, op_code, p_tcb->sr_cmd.handle, false); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 305 | } |
| 306 | |
| 307 | gatt_dequeue_sr_cmd(p_tcb); |
| 308 | } |
| 309 | |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 310 | 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] | 311 | |
| 312 | return ret_code; |
| 313 | } |
| 314 | |
| 315 | /******************************************************************************* |
Myles Watson | ee96a3c | 2016-11-23 14:49:54 -0800 | [diff] [blame] | 316 | * |
| 317 | * Function gatt_process_exec_write_req |
| 318 | * |
| 319 | * Description This function is called to process the execute write request |
| 320 | * from client. |
| 321 | * |
| 322 | * Returns void |
| 323 | * |
| 324 | ******************************************************************************/ |
Myles Watson | d35a648 | 2016-10-27 08:52:16 -0700 | [diff] [blame] | 325 | void gatt_process_exec_write_req (tGATT_TCB *p_tcb, uint8_t op_code, |
| 326 | UNUSED_ATTR uint16_t len, uint8_t *p_data) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 327 | { |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 328 | uint8_t *p = p_data, flag, i = 0; |
| 329 | uint32_t trans_id = 0; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 330 | tGATT_IF gatt_if; |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 331 | uint16_t conn_id; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 332 | |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 333 | #if (GATT_CONFORMANCE_TESTING == TRUE) |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 334 | if (gatt_cb.enable_err_rsp && gatt_cb.req_op_code == op_code) |
| 335 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 336 | 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] | 337 | gatt_cb.err_status); |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 338 | |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 339 | 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] | 340 | |
| 341 | return; |
| 342 | } |
| 343 | #endif |
| 344 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 345 | STREAM_TO_UINT8(flag, p); |
| 346 | |
| 347 | /* mask the flag */ |
| 348 | flag &= GATT_PREP_WRITE_EXEC; |
| 349 | |
| 350 | |
| 351 | /* no prep write is queued */ |
| 352 | if (!gatt_sr_is_prep_cnt_zero(p_tcb)) |
| 353 | { |
| 354 | trans_id = gatt_sr_enqueue_cmd(p_tcb, op_code, 0); |
| 355 | gatt_sr_copy_prep_cnt_to_cback_cnt(p_tcb); |
| 356 | |
| 357 | for (i=0; i<GATT_MAX_APPS; i++) |
| 358 | { |
| 359 | if (p_tcb->prep_cnt[i]) |
| 360 | { |
| 361 | gatt_if = (tGATT_IF) (i+1); |
| 362 | conn_id = GATT_CREATE_CONN_ID(p_tcb->tcb_idx, gatt_if); |
| 363 | gatt_sr_send_req_callback(conn_id, |
| 364 | trans_id, |
| 365 | GATTS_REQ_TYPE_WRITE_EXEC, |
| 366 | (tGATTS_DATA *)&flag); |
| 367 | p_tcb->prep_cnt[i]= 0; |
| 368 | } |
| 369 | } |
| 370 | } |
| 371 | else /* nothing needs to be executed , send response now */ |
| 372 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 373 | GATT_TRACE_ERROR("gatt_process_exec_write_req: no prepare write pending"); |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 374 | 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] | 375 | } |
| 376 | } |
| 377 | |
| 378 | /******************************************************************************* |
Myles Watson | ee96a3c | 2016-11-23 14:49:54 -0800 | [diff] [blame] | 379 | * |
| 380 | * Function gatt_process_read_multi_req |
| 381 | * |
| 382 | * Description This function is called to process the read multiple request |
| 383 | * from client. |
| 384 | * |
| 385 | * Returns void |
| 386 | * |
| 387 | ******************************************************************************/ |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 388 | void gatt_process_read_multi_req (tGATT_TCB *p_tcb, uint8_t op_code, uint16_t len, uint8_t *p_data) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 389 | { |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 390 | uint32_t trans_id; |
| 391 | uint16_t handle = 0, ll = len; |
| 392 | uint8_t *p = p_data, i_rcb; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 393 | tGATT_STATUS err = GATT_SUCCESS; |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 394 | uint8_t sec_flag, key_size; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 395 | |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 396 | GATT_TRACE_DEBUG("gatt_process_read_multi_req" ); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 397 | p_tcb->sr_cmd.multi_req.num_handles = 0; |
| 398 | |
| 399 | gatt_sr_get_sec_info(p_tcb->peer_bda, |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 400 | p_tcb->transport, |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 401 | &sec_flag, |
| 402 | &key_size); |
| 403 | |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 404 | #if (GATT_CONFORMANCE_TESTING == TRUE) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 405 | if (gatt_cb.enable_err_rsp && gatt_cb.req_op_code == op_code) |
| 406 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 407 | 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] | 408 | |
| 409 | STREAM_TO_UINT16(handle, p); |
| 410 | |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 411 | gatt_send_error_rsp (p_tcb, gatt_cb.err_status, gatt_cb.req_op_code, handle, false); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 412 | |
| 413 | return; |
| 414 | } |
| 415 | #endif |
| 416 | |
| 417 | while (ll >= 2 && p_tcb->sr_cmd.multi_req.num_handles < GATT_MAX_READ_MULTI_HANDLES) |
| 418 | { |
| 419 | STREAM_TO_UINT16(handle, p); |
| 420 | |
Marie Janssen | f33b6f4 | 2016-11-22 15:01:42 -0800 | [diff] [blame] | 421 | i_rcb = gatt_sr_find_i_rcb_by_handle(handle); |
| 422 | if (i_rcb < GATT_MAX_SR_PROFILES) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 423 | { |
| 424 | p_tcb->sr_cmd.multi_req.handles[p_tcb->sr_cmd.multi_req.num_handles++] = handle; |
| 425 | |
| 426 | /* check read permission */ |
Marie Janssen | f33b6f4 | 2016-11-22 15:01:42 -0800 | [diff] [blame] | 427 | err = gatts_read_attr_perm_check(gatt_cb.sr_reg[i_rcb].p_db, |
| 428 | false, handle, sec_flag, key_size); |
| 429 | if (err != GATT_SUCCESS) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 430 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 431 | GATT_TRACE_DEBUG("read permission denied : 0x%02x", err); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 432 | break; |
| 433 | } |
| 434 | } |
| 435 | else |
| 436 | { |
| 437 | /* invalid handle */ |
| 438 | err = GATT_INVALID_HANDLE; |
| 439 | break; |
| 440 | } |
| 441 | ll -= 2; |
| 442 | } |
| 443 | |
| 444 | if (ll != 0) |
| 445 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 446 | 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] | 447 | } |
| 448 | |
| 449 | if (p_tcb->sr_cmd.multi_req.num_handles == 0) |
| 450 | err = GATT_INVALID_HANDLE; |
| 451 | |
| 452 | if (err == GATT_SUCCESS) |
| 453 | { |
Marie Janssen | f33b6f4 | 2016-11-22 15:01:42 -0800 | [diff] [blame] | 454 | trans_id = gatt_sr_enqueue_cmd(p_tcb, op_code, p_tcb->sr_cmd.multi_req.handles[0]); |
| 455 | if (trans_id != 0) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 456 | { |
| 457 | gatt_sr_reset_cback_cnt(p_tcb); /* read multiple use multi_rsp_q's count*/ |
| 458 | |
Pavlin Radoslavov | 717a4a9 | 2016-02-06 08:36:06 -0800 | [diff] [blame] | 459 | for (ll = 0; ll < p_tcb->sr_cmd.multi_req.num_handles; ll ++) { |
| 460 | tGATTS_RSP *p_msg = (tGATTS_RSP *)osi_calloc(sizeof(tGATTS_RSP)); |
| 461 | handle = p_tcb->sr_cmd.multi_req.handles[ll]; |
| 462 | i_rcb = gatt_sr_find_i_rcb_by_handle(handle); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 463 | |
Pavlin Radoslavov | 717a4a9 | 2016-02-06 08:36:06 -0800 | [diff] [blame] | 464 | p_msg->attr_value.handle = handle; |
| 465 | err = gatts_read_attr_value_by_handle(p_tcb, |
| 466 | gatt_cb.sr_reg[i_rcb].p_db, |
| 467 | op_code, |
| 468 | handle, |
| 469 | 0, |
| 470 | p_msg->attr_value.value, |
| 471 | &p_msg->attr_value.len, |
| 472 | GATT_MAX_ATTR_LEN, |
| 473 | sec_flag, |
| 474 | key_size, |
| 475 | trans_id); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 476 | |
Pavlin Radoslavov | 717a4a9 | 2016-02-06 08:36:06 -0800 | [diff] [blame] | 477 | if (err == GATT_SUCCESS) { |
| 478 | gatt_sr_process_app_rsp(p_tcb, gatt_cb.sr_reg[i_rcb].gatt_if ,trans_id, op_code, GATT_SUCCESS, p_msg); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 479 | } |
Pavlin Radoslavov | 717a4a9 | 2016-02-06 08:36:06 -0800 | [diff] [blame] | 480 | /* either not using or done using the buffer, release it now */ |
| 481 | osi_free(p_msg); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 482 | } |
| 483 | } |
| 484 | else |
| 485 | err = GATT_NO_RESOURCES; |
| 486 | } |
| 487 | |
| 488 | /* in theroy BUSY is not possible(should already been checked), protected check */ |
| 489 | if (err != GATT_SUCCESS && err != GATT_PENDING && err != GATT_BUSY) |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 490 | gatt_send_error_rsp(p_tcb, err, op_code, handle, false); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 491 | } |
| 492 | |
| 493 | /******************************************************************************* |
Myles Watson | ee96a3c | 2016-11-23 14:49:54 -0800 | [diff] [blame] | 494 | * |
| 495 | * Function gatt_build_primary_service_rsp |
| 496 | * |
| 497 | * Description Primamry service request processed internally. Theretically |
| 498 | * only deal with ReadByTypeVAlue and ReadByGroupType. |
| 499 | * |
| 500 | * Returns void |
| 501 | * |
| 502 | ******************************************************************************/ |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 503 | static tGATT_STATUS gatt_build_primary_service_rsp (BT_HDR *p_msg, tGATT_TCB *p_tcb, |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 504 | uint8_t op_code, uint16_t s_hdl, |
Myles Watson | d35a648 | 2016-10-27 08:52:16 -0700 | [diff] [blame] | 505 | uint16_t e_hdl, |
| 506 | UNUSED_ATTR uint8_t *p_data, tBT_UUID value) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 507 | { |
| 508 | tGATT_STATUS status = GATT_NOT_FOUND; |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 509 | uint8_t handle_len =4, *p ; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 510 | tGATT_SR_REG *p_rcb; |
| 511 | tGATT_SRV_LIST_INFO *p_list= &gatt_cb.srv_list_info; |
| 512 | tGATT_SRV_LIST_ELEM *p_srv=NULL; |
| 513 | tBT_UUID *p_uuid; |
| 514 | |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 515 | p = (uint8_t *)(p_msg + 1) + L2CAP_MIN_OFFSET; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 516 | |
| 517 | p_srv = p_list->p_first; |
| 518 | |
| 519 | while (p_srv) |
| 520 | { |
| 521 | p_rcb = GATT_GET_SR_REG_PTR(p_srv->i_sreg); |
| 522 | |
| 523 | if (p_rcb->in_use && |
| 524 | p_rcb->s_hdl >= s_hdl && |
| 525 | p_rcb->s_hdl <= e_hdl && |
| 526 | p_rcb->type == GATT_UUID_PRI_SERVICE) |
| 527 | { |
Marie Janssen | f33b6f4 | 2016-11-22 15:01:42 -0800 | [diff] [blame] | 528 | p_uuid = gatts_get_service_uuid(p_rcb->p_db); |
| 529 | if (p_uuid != NULL) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 530 | { |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 531 | if (op_code == GATT_REQ_READ_BY_GRP_TYPE) |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 532 | handle_len = 4 + p_uuid->len; |
| 533 | |
| 534 | /* get the length byte in the repsonse */ |
| 535 | if (p_msg->offset ==0) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 536 | { |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 537 | *p ++ = op_code + 1; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 538 | p_msg->len ++; |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 539 | p_msg->offset = handle_len; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 540 | |
| 541 | if (op_code == GATT_REQ_READ_BY_GRP_TYPE) |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 542 | { |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 543 | *p ++ = (uint8_t)p_msg->offset; /* length byte */ |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 544 | p_msg->len ++; |
| 545 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 546 | } |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 547 | |
| 548 | if (p_msg->len + p_msg->offset <= p_tcb->payload_size && |
| 549 | handle_len == p_msg->offset) |
| 550 | { |
| 551 | if (op_code != GATT_REQ_FIND_TYPE_VALUE || |
| 552 | gatt_uuid_compare(value, *p_uuid)) |
| 553 | { |
| 554 | UINT16_TO_STREAM(p, p_rcb->s_hdl); |
| 555 | |
| 556 | if (p_list->p_last_primary == p_srv && |
| 557 | p_list->p_last_primary == p_list->p_last) |
| 558 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 559 | GATT_TRACE_DEBUG("Use 0xFFFF for the last primary attribute"); |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 560 | UINT16_TO_STREAM(p, 0xFFFF); /* see GATT ERRATA 4065, 4063, ATT ERRATA 4062 */ |
| 561 | } |
| 562 | else |
| 563 | { |
| 564 | UINT16_TO_STREAM(p, p_rcb->e_hdl); |
| 565 | } |
| 566 | |
| 567 | if (op_code == GATT_REQ_READ_BY_GRP_TYPE) |
| 568 | gatt_build_uuid_to_stream(&p, *p_uuid); |
| 569 | |
| 570 | status = GATT_SUCCESS; |
| 571 | p_msg->len += p_msg->offset; |
| 572 | } |
| 573 | } |
| 574 | else |
| 575 | break; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 576 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 577 | } |
| 578 | p_srv = p_srv->p_next; |
| 579 | } |
| 580 | p_msg->offset = L2CAP_MIN_OFFSET; |
| 581 | |
| 582 | return status; |
| 583 | } |
| 584 | |
| 585 | /******************************************************************************* |
Myles Watson | ee96a3c | 2016-11-23 14:49:54 -0800 | [diff] [blame] | 586 | * |
| 587 | * Function gatt_build_find_info_rsp |
| 588 | * |
| 589 | * Description fill the find information response information in the given |
| 590 | * buffer. |
| 591 | * |
| 592 | * Returns true: if data filled sucessfully. |
| 593 | * false: packet full, or format mismatch. |
| 594 | * |
| 595 | ******************************************************************************/ |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 596 | static tGATT_STATUS gatt_build_find_info_rsp(tGATT_SR_REG *p_rcb, BT_HDR *p_msg, uint16_t *p_len, |
| 597 | uint16_t s_hdl, uint16_t e_hdl) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 598 | { |
| 599 | tGATT_STATUS status = GATT_NOT_FOUND; |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 600 | uint8_t *p; |
| 601 | uint16_t len = *p_len; |
Jakub Pawlowski | c88b20a | 2016-06-21 16:16:09 -0700 | [diff] [blame] | 602 | tGATT_ATTR *p_attr = NULL; |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 603 | uint8_t info_pair_len[2] = {4, 18}; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 604 | |
| 605 | if (!p_rcb->p_db || !p_rcb->p_db->p_attr_list) |
| 606 | return status; |
| 607 | |
| 608 | /* check the attribute database */ |
Jakub Pawlowski | c88b20a | 2016-06-21 16:16:09 -0700 | [diff] [blame] | 609 | p_attr = (tGATT_ATTR *) p_rcb->p_db->p_attr_list; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 610 | |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 611 | p = (uint8_t *)(p_msg + 1) + L2CAP_MIN_OFFSET + p_msg->len; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 612 | |
| 613 | while (p_attr) |
| 614 | { |
| 615 | if (p_attr->handle > e_hdl) |
| 616 | { |
| 617 | break; |
| 618 | } |
| 619 | |
| 620 | if (p_attr->handle >= s_hdl) |
| 621 | { |
| 622 | if (p_msg->offset == 0) |
Jakub Pawlowski | c88b20a | 2016-06-21 16:16:09 -0700 | [diff] [blame] | 623 | p_msg->offset = (p_attr->uuid.len == LEN_UUID_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] | 624 | |
| 625 | if (len >= info_pair_len[p_msg->offset - 1]) |
| 626 | { |
Jakub Pawlowski | c88b20a | 2016-06-21 16:16:09 -0700 | [diff] [blame] | 627 | if (p_msg->offset == GATT_INFO_TYPE_PAIR_16 && p_attr->uuid.len == LEN_UUID_16) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 628 | { |
| 629 | UINT16_TO_STREAM(p, p_attr->handle); |
Jakub Pawlowski | c88b20a | 2016-06-21 16:16:09 -0700 | [diff] [blame] | 630 | UINT16_TO_STREAM(p, p_attr->uuid.uu.uuid16); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 631 | } |
Jakub Pawlowski | c88b20a | 2016-06-21 16:16:09 -0700 | [diff] [blame] | 632 | else if (p_msg->offset == GATT_INFO_TYPE_PAIR_128 && p_attr->uuid.len == LEN_UUID_128 ) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 633 | { |
| 634 | UINT16_TO_STREAM(p, p_attr->handle); |
Jakub Pawlowski | c88b20a | 2016-06-21 16:16:09 -0700 | [diff] [blame] | 635 | ARRAY_TO_STREAM (p, p_attr->uuid.uu.uuid128, LEN_UUID_128); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 636 | } |
Jakub Pawlowski | c88b20a | 2016-06-21 16:16:09 -0700 | [diff] [blame] | 637 | else if (p_msg->offset == GATT_INFO_TYPE_PAIR_128 && p_attr->uuid.len == LEN_UUID_32) |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 638 | { |
| 639 | UINT16_TO_STREAM(p, p_attr->handle); |
Jakub Pawlowski | c88b20a | 2016-06-21 16:16:09 -0700 | [diff] [blame] | 640 | gatt_convert_uuid32_to_uuid128(p, p_attr->uuid.uu.uuid32); |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 641 | p += LEN_UUID_128; |
| 642 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 643 | else |
| 644 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 645 | GATT_TRACE_ERROR("format mismatch"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 646 | status = GATT_NO_RESOURCES; |
| 647 | break; |
| 648 | /* format mismatch */ |
| 649 | } |
| 650 | p_msg->len += info_pair_len[p_msg->offset - 1]; |
| 651 | len -= info_pair_len[p_msg->offset - 1]; |
| 652 | status = GATT_SUCCESS; |
| 653 | |
| 654 | } |
| 655 | else |
| 656 | { |
| 657 | status = GATT_NO_RESOURCES; |
| 658 | break; |
| 659 | } |
| 660 | } |
Jakub Pawlowski | c88b20a | 2016-06-21 16:16:09 -0700 | [diff] [blame] | 661 | p_attr = (tGATT_ATTR *)p_attr->p_next; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 662 | } |
| 663 | |
| 664 | *p_len = len; |
| 665 | return status; |
| 666 | } |
| 667 | |
| 668 | /******************************************************************************* |
Myles Watson | ee96a3c | 2016-11-23 14:49:54 -0800 | [diff] [blame] | 669 | * |
| 670 | * Function gatts_internal_read_by_type_req |
| 671 | * |
| 672 | * Description check to see if the ReadByType request can be handled internally. |
| 673 | * |
| 674 | * Returns void |
| 675 | * |
| 676 | ******************************************************************************/ |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 677 | static tGATT_STATUS gatts_validate_packet_format(uint8_t op_code, uint16_t *p_len, |
| 678 | uint8_t **p_data, tBT_UUID *p_uuid_filter, |
| 679 | uint16_t *p_s_hdl, uint16_t *p_e_hdl) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 680 | { |
| 681 | tGATT_STATUS reason = GATT_SUCCESS; |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 682 | uint16_t uuid_len, s_hdl = 0, e_hdl = 0; |
| 683 | uint16_t len = *p_len; |
| 684 | uint8_t *p = *p_data; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 685 | |
| 686 | if (len >= 4) |
| 687 | { |
| 688 | /* obtain starting handle, and ending handle */ |
| 689 | STREAM_TO_UINT16(s_hdl, p); |
| 690 | STREAM_TO_UINT16(e_hdl, p); |
| 691 | len -= 4; |
| 692 | |
| 693 | if (s_hdl > e_hdl || !GATT_HANDLE_IS_VALID(s_hdl) || !GATT_HANDLE_IS_VALID(e_hdl)) |
| 694 | { |
| 695 | reason = GATT_INVALID_HANDLE; |
| 696 | } |
| 697 | /* for these PDUs, uuid filter must present */ |
| 698 | else if (op_code == GATT_REQ_READ_BY_GRP_TYPE || |
| 699 | op_code == GATT_REQ_FIND_TYPE_VALUE || |
| 700 | op_code == GATT_REQ_READ_BY_TYPE) |
| 701 | { |
| 702 | if (len >= 2 && p_uuid_filter != NULL) |
| 703 | { |
| 704 | uuid_len = (op_code == GATT_REQ_FIND_TYPE_VALUE) ? 2 : len; |
| 705 | |
| 706 | /* parse uuid now */ |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 707 | if (gatt_parse_uuid_from_cmd (p_uuid_filter, uuid_len, &p) == false || |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 708 | p_uuid_filter->len == 0) |
| 709 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 710 | GATT_TRACE_DEBUG("UUID filter does not exsit"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 711 | reason = GATT_INVALID_PDU; |
| 712 | } |
| 713 | else |
| 714 | len -= p_uuid_filter->len; |
| 715 | } |
| 716 | else |
| 717 | reason = GATT_INVALID_PDU; |
| 718 | } |
| 719 | } |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 720 | else |
| 721 | reason = GATT_INVALID_PDU; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 722 | |
| 723 | *p_data = p; |
| 724 | *p_len = len; |
| 725 | *p_s_hdl = s_hdl; |
| 726 | *p_e_hdl = e_hdl; |
| 727 | |
| 728 | return reason; |
| 729 | } |
| 730 | |
| 731 | /******************************************************************************* |
Myles Watson | ee96a3c | 2016-11-23 14:49:54 -0800 | [diff] [blame] | 732 | * |
| 733 | * Function gatts_process_primary_service_req |
| 734 | * |
| 735 | * Description process ReadByGroupType/ReadByTypeValue request, for discover |
| 736 | * all primary services or discover primary service by UUID request. |
| 737 | * |
| 738 | * Returns void |
| 739 | * |
| 740 | ******************************************************************************/ |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 741 | void gatts_process_primary_service_req(tGATT_TCB *p_tcb, uint8_t op_code, uint16_t len, uint8_t *p_data) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 742 | { |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 743 | uint8_t reason = GATT_INVALID_PDU; |
| 744 | uint16_t s_hdl = 0, e_hdl = 0; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 745 | tBT_UUID uuid, value, primary_service = {LEN_UUID_16, {GATT_UUID_PRI_SERVICE}}; |
| 746 | BT_HDR *p_msg = NULL; |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 747 | uint16_t msg_len = (uint16_t)(sizeof(BT_HDR) + p_tcb->payload_size + L2CAP_MIN_OFFSET); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 748 | |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 749 | memset (&value, 0, sizeof(tBT_UUID)); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 750 | reason = gatts_validate_packet_format(op_code, &len, &p_data, &uuid, &s_hdl, &e_hdl); |
| 751 | |
| 752 | if (reason == GATT_SUCCESS) |
| 753 | { |
| 754 | if (gatt_uuid_compare(uuid, primary_service)) |
| 755 | { |
| 756 | if (op_code == GATT_REQ_FIND_TYPE_VALUE) |
| 757 | { |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 758 | if (gatt_parse_uuid_from_cmd(&value, len, &p_data) == false) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 759 | reason = GATT_INVALID_PDU; |
| 760 | } |
| 761 | |
Pavlin Radoslavov | 717a4a9 | 2016-02-06 08:36:06 -0800 | [diff] [blame] | 762 | if (reason == GATT_SUCCESS) { |
| 763 | p_msg = (BT_HDR *)osi_calloc(msg_len); |
| 764 | reason = gatt_build_primary_service_rsp (p_msg, p_tcb, op_code, |
| 765 | s_hdl, e_hdl, p_data, |
| 766 | value); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 767 | } |
| 768 | } |
| 769 | else |
| 770 | { |
| 771 | if (op_code == GATT_REQ_READ_BY_GRP_TYPE) |
| 772 | { |
| 773 | reason = GATT_UNSUPPORT_GRP_TYPE; |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 774 | 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] | 775 | } |
| 776 | else |
| 777 | { |
| 778 | /* we do not support ReadByTypeValue with any non-primamry_service type */ |
| 779 | reason = GATT_NOT_FOUND; |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 780 | 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] | 781 | } |
| 782 | } |
| 783 | } |
| 784 | |
| 785 | if (reason != GATT_SUCCESS) |
| 786 | { |
Pavlin Radoslavov | cceb430 | 2016-02-05 13:54:43 -0800 | [diff] [blame] | 787 | osi_free(p_msg); |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 788 | gatt_send_error_rsp (p_tcb, reason, op_code, s_hdl, false); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 789 | } |
| 790 | else |
| 791 | attp_send_sr_msg(p_tcb, p_msg); |
| 792 | |
| 793 | } |
| 794 | |
| 795 | /******************************************************************************* |
Myles Watson | ee96a3c | 2016-11-23 14:49:54 -0800 | [diff] [blame] | 796 | * |
| 797 | * Function gatts_process_find_info |
| 798 | * |
| 799 | * Description process find information request, for discover character |
| 800 | * descriptors. |
| 801 | * |
| 802 | * Returns void |
| 803 | * |
| 804 | ******************************************************************************/ |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 805 | static void gatts_process_find_info(tGATT_TCB *p_tcb, uint8_t op_code, uint16_t len, uint8_t *p_data) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 806 | { |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 807 | uint8_t reason = GATT_INVALID_PDU, *p; |
| 808 | uint16_t s_hdl = 0, e_hdl = 0, buf_len; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 809 | BT_HDR *p_msg = NULL; |
| 810 | tGATT_SR_REG *p_rcb; |
| 811 | tGATT_SRV_LIST_INFO *p_list= &gatt_cb.srv_list_info; |
| 812 | tGATT_SRV_LIST_ELEM *p_srv=NULL; |
| 813 | |
| 814 | reason = gatts_validate_packet_format(op_code, &len, &p_data, NULL, &s_hdl, &e_hdl); |
| 815 | |
| 816 | if (reason == GATT_SUCCESS) |
| 817 | { |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 818 | buf_len = (uint16_t)(sizeof(BT_HDR) + p_tcb->payload_size + L2CAP_MIN_OFFSET); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 819 | |
Pavlin Radoslavov | 717a4a9 | 2016-02-06 08:36:06 -0800 | [diff] [blame] | 820 | p_msg = (BT_HDR *)osi_calloc(buf_len); |
| 821 | reason = GATT_NOT_FOUND; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 822 | |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 823 | p = (uint8_t *)(p_msg + 1) + L2CAP_MIN_OFFSET; |
Pavlin Radoslavov | 717a4a9 | 2016-02-06 08:36:06 -0800 | [diff] [blame] | 824 | *p ++ = op_code + 1; |
| 825 | p_msg->len = 2; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 826 | |
Pavlin Radoslavov | 717a4a9 | 2016-02-06 08:36:06 -0800 | [diff] [blame] | 827 | buf_len = p_tcb->payload_size - 2; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 828 | |
Pavlin Radoslavov | 717a4a9 | 2016-02-06 08:36:06 -0800 | [diff] [blame] | 829 | p_srv = p_list->p_first; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 830 | |
Pavlin Radoslavov | 717a4a9 | 2016-02-06 08:36:06 -0800 | [diff] [blame] | 831 | while (p_srv) { |
| 832 | p_rcb = GATT_GET_SR_REG_PTR(p_srv->i_sreg); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 833 | |
Pavlin Radoslavov | 717a4a9 | 2016-02-06 08:36:06 -0800 | [diff] [blame] | 834 | if (p_rcb->in_use && !(p_rcb->s_hdl > e_hdl || |
| 835 | p_rcb->e_hdl < s_hdl)) { |
| 836 | reason = gatt_build_find_info_rsp(p_rcb, p_msg, &buf_len, |
| 837 | s_hdl, e_hdl); |
| 838 | if (reason == GATT_NO_RESOURCES) { |
| 839 | reason = GATT_SUCCESS; |
| 840 | break; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 841 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 842 | } |
Pavlin Radoslavov | 717a4a9 | 2016-02-06 08:36:06 -0800 | [diff] [blame] | 843 | p_srv = p_srv->p_next; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 844 | } |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 845 | *p = (uint8_t)p_msg->offset; |
Pavlin Radoslavov | 717a4a9 | 2016-02-06 08:36:06 -0800 | [diff] [blame] | 846 | |
| 847 | p_msg->offset = L2CAP_MIN_OFFSET; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 848 | } |
| 849 | |
| 850 | if (reason != GATT_SUCCESS) |
| 851 | { |
Pavlin Radoslavov | cceb430 | 2016-02-05 13:54:43 -0800 | [diff] [blame] | 852 | osi_free(p_msg); |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 853 | gatt_send_error_rsp (p_tcb, reason, op_code, s_hdl, false); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 854 | } |
| 855 | else |
| 856 | attp_send_sr_msg(p_tcb, p_msg); |
| 857 | |
| 858 | } |
| 859 | |
| 860 | /******************************************************************************* |
Myles Watson | ee96a3c | 2016-11-23 14:49:54 -0800 | [diff] [blame] | 861 | * |
| 862 | * Function gatts_process_mtu_req |
| 863 | * |
| 864 | * Description This function is called to process excahnge MTU request. |
| 865 | * Only used on LE. |
| 866 | * |
| 867 | * Returns void |
| 868 | * |
| 869 | ******************************************************************************/ |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 870 | static void gatts_process_mtu_req (tGATT_TCB *p_tcb, uint16_t len, uint8_t *p_data) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 871 | { |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 872 | uint16_t mtu = 0; |
| 873 | uint8_t *p = p_data, i; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 874 | BT_HDR *p_buf; |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 875 | uint16_t conn_id; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 876 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 877 | /* BR/EDR conenction, send error response */ |
| 878 | if (p_tcb->att_lcid != L2CAP_ATT_CID) |
| 879 | { |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 880 | gatt_send_error_rsp (p_tcb, GATT_REQ_NOT_SUPPORTED, GATT_REQ_MTU, 0, false); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 881 | } |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 882 | else if (len < GATT_MTU_REQ_MIN_LEN) |
| 883 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 884 | GATT_TRACE_ERROR("invalid MTU request PDU received."); |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 885 | gatt_send_error_rsp (p_tcb, GATT_INVALID_PDU, GATT_REQ_MTU, 0, false); |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 886 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 887 | else |
| 888 | { |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 889 | STREAM_TO_UINT16 (mtu, p); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 890 | /* mtu must be greater than default MTU which is 23/48 */ |
Andre Eisenbach | 4b63869 | 2013-06-14 13:22:25 -0700 | [diff] [blame] | 891 | if (mtu < GATT_DEF_BLE_MTU_SIZE) |
| 892 | p_tcb->payload_size = GATT_DEF_BLE_MTU_SIZE; |
| 893 | else if (mtu > GATT_MAX_MTU_SIZE) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 894 | p_tcb->payload_size = GATT_MAX_MTU_SIZE; |
Andre Eisenbach | 4b63869 | 2013-06-14 13:22:25 -0700 | [diff] [blame] | 895 | else |
| 896 | p_tcb->payload_size = mtu; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 897 | |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 898 | 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] | 899 | |
Priti Aghera | 636d671 | 2014-12-18 13:55:48 -0800 | [diff] [blame] | 900 | l2cble_set_fixed_channel_tx_data_length(p_tcb->peer_bda, L2CAP_ATT_CID, p_tcb->payload_size); |
| 901 | |
Marie Janssen | f33b6f4 | 2016-11-22 15:01:42 -0800 | [diff] [blame] | 902 | p_buf = attp_build_sr_msg(p_tcb, GATT_RSP_MTU, |
| 903 | (tGATT_SR_MSG *)&p_tcb->payload_size); |
| 904 | if (p_buf != NULL) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 905 | { |
| 906 | attp_send_sr_msg (p_tcb, p_buf); |
| 907 | |
| 908 | /* Notify all registered applicaiton with new MTU size. Us a transaction ID */ |
| 909 | /* of 0, as no response is allowed from applcations */ |
| 910 | |
| 911 | for (i = 0; i < GATT_MAX_APPS; i ++) |
| 912 | { |
| 913 | if (gatt_cb.cl_rcb[i].in_use ) |
| 914 | { |
| 915 | conn_id = GATT_CREATE_CONN_ID(p_tcb->tcb_idx, gatt_cb.cl_rcb[i].gatt_if); |
| 916 | gatt_sr_send_req_callback(conn_id, 0, GATTS_REQ_TYPE_MTU, |
| 917 | (tGATTS_DATA *)&p_tcb->payload_size); |
| 918 | } |
| 919 | } |
| 920 | |
| 921 | } |
| 922 | } |
| 923 | } |
| 924 | |
| 925 | /******************************************************************************* |
Myles Watson | ee96a3c | 2016-11-23 14:49:54 -0800 | [diff] [blame] | 926 | * |
| 927 | * Function gatts_process_read_by_type_req |
| 928 | * |
| 929 | * Description process Read By type request. |
| 930 | * This PDU can be used to perform: |
| 931 | * - read characteristic value |
| 932 | * - read characteristic descriptor value |
| 933 | * - discover characteristic |
| 934 | * - discover characteristic by UUID |
| 935 | * - relationship discovery |
| 936 | * |
| 937 | * Returns void |
| 938 | * |
| 939 | ******************************************************************************/ |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 940 | void gatts_process_read_by_type_req(tGATT_TCB *p_tcb, uint8_t op_code, uint16_t len, uint8_t *p_data) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 941 | { |
| 942 | tBT_UUID uuid; |
| 943 | tGATT_SR_REG *p_rcb; |
Pavlin Radoslavov | cceb430 | 2016-02-05 13:54:43 -0800 | [diff] [blame] | 944 | size_t msg_len = sizeof(BT_HDR) + p_tcb->payload_size + L2CAP_MIN_OFFSET; |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 945 | uint16_t buf_len, s_hdl, e_hdl, err_hdl = 0; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 946 | BT_HDR *p_msg = NULL; |
| 947 | tGATT_STATUS reason, ret; |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 948 | uint8_t *p; |
| 949 | uint8_t sec_flag, key_size; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 950 | tGATT_SRV_LIST_INFO *p_list= &gatt_cb.srv_list_info; |
| 951 | tGATT_SRV_LIST_ELEM *p_srv=NULL; |
| 952 | |
| 953 | reason = gatts_validate_packet_format(op_code, &len, &p_data, &uuid, &s_hdl, &e_hdl); |
| 954 | |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 955 | #if (GATT_CONFORMANCE_TESTING == TRUE) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 956 | if (gatt_cb.enable_err_rsp && gatt_cb.req_op_code == op_code) |
| 957 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 958 | 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] | 959 | |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 960 | gatt_send_error_rsp (p_tcb, gatt_cb.err_status, gatt_cb.req_op_code, s_hdl, false); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 961 | |
| 962 | return; |
| 963 | } |
| 964 | #endif |
| 965 | |
| 966 | if (reason == GATT_SUCCESS) |
| 967 | { |
Pavlin Radoslavov | 717a4a9 | 2016-02-06 08:36:06 -0800 | [diff] [blame] | 968 | p_msg = (BT_HDR *)osi_calloc(msg_len); |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 969 | p = (uint8_t *)(p_msg + 1) + L2CAP_MIN_OFFSET; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 970 | |
Pavlin Radoslavov | 717a4a9 | 2016-02-06 08:36:06 -0800 | [diff] [blame] | 971 | *p ++ = op_code + 1; |
| 972 | /* reserve length byte */ |
| 973 | p_msg->len = 2; |
| 974 | buf_len = p_tcb->payload_size - 2; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 975 | |
Pavlin Radoslavov | 717a4a9 | 2016-02-06 08:36:06 -0800 | [diff] [blame] | 976 | reason = GATT_NOT_FOUND; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 977 | |
Pavlin Radoslavov | 717a4a9 | 2016-02-06 08:36:06 -0800 | [diff] [blame] | 978 | p_srv = p_list->p_first; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 979 | |
Pavlin Radoslavov | 717a4a9 | 2016-02-06 08:36:06 -0800 | [diff] [blame] | 980 | while (p_srv) { |
| 981 | p_rcb = GATT_GET_SR_REG_PTR(p_srv->i_sreg); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 982 | |
Pavlin Radoslavov | 717a4a9 | 2016-02-06 08:36:06 -0800 | [diff] [blame] | 983 | if (p_rcb->in_use && !(p_rcb->s_hdl > e_hdl || |
| 984 | p_rcb->e_hdl < s_hdl)) { |
| 985 | gatt_sr_get_sec_info(p_tcb->peer_bda, p_tcb->transport, |
| 986 | &sec_flag, &key_size); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 987 | |
Pavlin Radoslavov | 717a4a9 | 2016-02-06 08:36:06 -0800 | [diff] [blame] | 988 | ret = gatts_db_read_attr_value_by_type(p_tcb, |
| 989 | p_rcb->p_db, |
| 990 | op_code, |
| 991 | p_msg, |
| 992 | s_hdl, |
| 993 | e_hdl, |
| 994 | uuid, |
| 995 | &buf_len, |
| 996 | sec_flag, |
| 997 | key_size, |
| 998 | 0, |
| 999 | &err_hdl); |
| 1000 | if (ret != GATT_NOT_FOUND) { |
| 1001 | reason = ret; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1002 | |
Pavlin Radoslavov | 717a4a9 | 2016-02-06 08:36:06 -0800 | [diff] [blame] | 1003 | if (ret == GATT_NO_RESOURCES) |
| 1004 | reason = GATT_SUCCESS; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1005 | } |
Pavlin Radoslavov | 717a4a9 | 2016-02-06 08:36:06 -0800 | [diff] [blame] | 1006 | if (ret != GATT_SUCCESS && ret != GATT_NOT_FOUND) { |
| 1007 | s_hdl = err_hdl; |
| 1008 | break; |
| 1009 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1010 | } |
Pavlin Radoslavov | 717a4a9 | 2016-02-06 08:36:06 -0800 | [diff] [blame] | 1011 | p_srv = p_srv->p_next; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1012 | } |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 1013 | *p = (uint8_t)p_msg->offset; |
Pavlin Radoslavov | 717a4a9 | 2016-02-06 08:36:06 -0800 | [diff] [blame] | 1014 | p_msg->offset = L2CAP_MIN_OFFSET; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1015 | } |
| 1016 | if (reason != GATT_SUCCESS) |
| 1017 | { |
Pavlin Radoslavov | cceb430 | 2016-02-05 13:54:43 -0800 | [diff] [blame] | 1018 | osi_free(p_msg); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1019 | |
| 1020 | /* in theroy BUSY is not possible(should already been checked), protected check */ |
| 1021 | if (reason != GATT_PENDING && reason != GATT_BUSY) |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 1022 | gatt_send_error_rsp (p_tcb, reason, op_code, s_hdl, false); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1023 | } |
| 1024 | else |
| 1025 | attp_send_sr_msg(p_tcb, p_msg); |
| 1026 | |
| 1027 | } |
| 1028 | |
| 1029 | /******************************************************************************* |
Myles Watson | ee96a3c | 2016-11-23 14:49:54 -0800 | [diff] [blame] | 1030 | * |
| 1031 | * Function gatts_process_write_req |
| 1032 | * |
| 1033 | * Description This function is called to process the write request |
| 1034 | * from client. |
| 1035 | * |
| 1036 | * Returns void |
| 1037 | * |
| 1038 | ******************************************************************************/ |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 1039 | void gatts_process_write_req (tGATT_TCB *p_tcb, uint8_t i_rcb, uint16_t handle, |
| 1040 | uint8_t op_code, uint16_t len, uint8_t *p_data, |
Jakub Pawlowski | a641b6f | 2016-03-26 00:47:23 -0700 | [diff] [blame] | 1041 | bt_gatt_db_attribute_type_t gatt_type) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1042 | { |
| 1043 | tGATTS_DATA sr_data; |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 1044 | uint32_t trans_id; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1045 | tGATT_STATUS status; |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 1046 | uint8_t sec_flag, key_size, *p = p_data; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1047 | tGATT_SR_REG *p_sreg; |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 1048 | uint16_t conn_id; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1049 | |
| 1050 | memset(&sr_data, 0, sizeof(tGATTS_DATA)); |
| 1051 | |
| 1052 | switch (op_code) |
| 1053 | { |
| 1054 | case GATT_REQ_PREPARE_WRITE: |
Subramanian Srinivasan | 0acfd13 | 2016-02-01 16:21:10 -0800 | [diff] [blame] | 1055 | if (len < 2) { |
| 1056 | GATT_TRACE_ERROR("%s: Prepare write request was invalid - missing offset, sending error response", __func__); |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 1057 | gatt_send_error_rsp(p_tcb, GATT_INVALID_PDU, op_code, handle, false); |
Subramanian Srinivasan | 0acfd13 | 2016-02-01 16:21:10 -0800 | [diff] [blame] | 1058 | return; |
| 1059 | } |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 1060 | sr_data.write_req.is_prep = true; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1061 | STREAM_TO_UINT16(sr_data.write_req.offset, p); |
| 1062 | len -= 2; |
| 1063 | /* fall through */ |
| 1064 | case GATT_SIGN_CMD_WRITE: |
| 1065 | if (op_code == GATT_SIGN_CMD_WRITE) |
| 1066 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 1067 | GATT_TRACE_DEBUG("Write CMD with data sigining" ); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1068 | len -= GATT_AUTH_SIGN_LEN; |
| 1069 | } |
| 1070 | /* fall through */ |
| 1071 | case GATT_CMD_WRITE: |
| 1072 | case GATT_REQ_WRITE: |
| 1073 | if (op_code == GATT_REQ_WRITE || op_code == GATT_REQ_PREPARE_WRITE) |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 1074 | sr_data.write_req.need_rsp = true; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1075 | sr_data.write_req.handle = handle; |
| 1076 | sr_data.write_req.len = len; |
Satya Calloji | 444a8da | 2015-03-06 10:38:22 -0800 | [diff] [blame] | 1077 | if (len != 0 && p != NULL) |
| 1078 | { |
| 1079 | memcpy (sr_data.write_req.value, p, len); |
| 1080 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1081 | break; |
| 1082 | } |
| 1083 | |
| 1084 | gatt_sr_get_sec_info(p_tcb->peer_bda, |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1085 | p_tcb->transport, |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1086 | &sec_flag, |
| 1087 | &key_size); |
| 1088 | |
| 1089 | status = gatts_write_attr_perm_check (gatt_cb.sr_reg[i_rcb].p_db, |
| 1090 | op_code, |
| 1091 | handle, |
| 1092 | sr_data.write_req.offset, |
| 1093 | p, |
| 1094 | len, |
| 1095 | sec_flag, |
| 1096 | key_size); |
| 1097 | |
| 1098 | if (status == GATT_SUCCESS) |
| 1099 | { |
Marie Janssen | f33b6f4 | 2016-11-22 15:01:42 -0800 | [diff] [blame] | 1100 | trans_id = gatt_sr_enqueue_cmd(p_tcb, op_code, handle); |
| 1101 | if (trans_id != 0) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1102 | { |
| 1103 | p_sreg = &gatt_cb.sr_reg[i_rcb]; |
| 1104 | conn_id = GATT_CREATE_CONN_ID(p_tcb->tcb_idx, p_sreg->gatt_if); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1105 | |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 1106 | uint8_t opcode = 0; |
Jakub Pawlowski | a641b6f | 2016-03-26 00:47:23 -0700 | [diff] [blame] | 1107 | if (gatt_type == BTGATT_DB_DESCRIPTOR) { |
| 1108 | opcode = GATTS_REQ_TYPE_WRITE_DESCRIPTOR; |
| 1109 | } else if (gatt_type == BTGATT_DB_CHARACTERISTIC) { |
| 1110 | opcode = GATTS_REQ_TYPE_WRITE_CHARACTERISTIC; |
| 1111 | } else { |
| 1112 | GATT_TRACE_ERROR("%s: Attempt to write attribute that's not tied with" |
| 1113 | " characteristic or descriptor value.", __func__); |
| 1114 | status = GATT_ERROR; |
| 1115 | } |
| 1116 | |
| 1117 | if (opcode) { |
| 1118 | gatt_sr_send_req_callback(conn_id, trans_id, opcode, &sr_data); |
| 1119 | status = GATT_PENDING; |
| 1120 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1121 | } |
| 1122 | else |
| 1123 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 1124 | GATT_TRACE_ERROR("max pending command, send error"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1125 | status = GATT_BUSY; /* max pending command, application error */ |
| 1126 | } |
| 1127 | } |
| 1128 | |
| 1129 | /* in theroy BUSY is not possible(should already been checked), protected check */ |
| 1130 | if (status != GATT_PENDING && status != GATT_BUSY && |
| 1131 | (op_code == GATT_REQ_PREPARE_WRITE || op_code == GATT_REQ_WRITE)) |
| 1132 | { |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 1133 | gatt_send_error_rsp (p_tcb, status, op_code, handle, false); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1134 | } |
| 1135 | return; |
| 1136 | } |
| 1137 | |
| 1138 | /******************************************************************************* |
Myles Watson | ee96a3c | 2016-11-23 14:49:54 -0800 | [diff] [blame] | 1139 | * |
| 1140 | * Function gatts_process_read_req |
| 1141 | * |
| 1142 | * Description This function is called to process the read request |
| 1143 | * from client. |
| 1144 | * |
| 1145 | * Returns void |
| 1146 | * |
| 1147 | ******************************************************************************/ |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 1148 | static void gatts_process_read_req(tGATT_TCB *p_tcb, tGATT_SR_REG *p_rcb, uint8_t op_code, |
Myles Watson | d35a648 | 2016-10-27 08:52:16 -0700 | [diff] [blame] | 1149 | uint16_t handle, |
| 1150 | UNUSED_ATTR uint16_t len, uint8_t *p_data) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1151 | { |
Pavlin Radoslavov | cceb430 | 2016-02-05 13:54:43 -0800 | [diff] [blame] | 1152 | size_t buf_len = sizeof(BT_HDR) + p_tcb->payload_size + L2CAP_MIN_OFFSET; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1153 | tGATT_STATUS reason; |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 1154 | uint8_t sec_flag, key_size, *p; |
| 1155 | uint16_t offset = 0, value_len = 0; |
Pavlin Radoslavov | 717a4a9 | 2016-02-06 08:36:06 -0800 | [diff] [blame] | 1156 | BT_HDR *p_msg = (BT_HDR *)osi_calloc(buf_len); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1157 | |
Pavlin Radoslavov | 717a4a9 | 2016-02-06 08:36:06 -0800 | [diff] [blame] | 1158 | if (op_code == GATT_REQ_READ_BLOB) |
| 1159 | STREAM_TO_UINT16(offset, p_data); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1160 | |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 1161 | p = (uint8_t *)(p_msg + 1) + L2CAP_MIN_OFFSET; |
Pavlin Radoslavov | 717a4a9 | 2016-02-06 08:36:06 -0800 | [diff] [blame] | 1162 | *p ++ = op_code + 1; |
| 1163 | p_msg->len = 1; |
| 1164 | buf_len = p_tcb->payload_size - 1; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1165 | |
Pavlin Radoslavov | 717a4a9 | 2016-02-06 08:36:06 -0800 | [diff] [blame] | 1166 | gatt_sr_get_sec_info(p_tcb->peer_bda, p_tcb->transport, &sec_flag, |
| 1167 | &key_size); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1168 | |
Pavlin Radoslavov | 717a4a9 | 2016-02-06 08:36:06 -0800 | [diff] [blame] | 1169 | reason = gatts_read_attr_value_by_handle(p_tcb, |
| 1170 | p_rcb->p_db, |
| 1171 | op_code, |
| 1172 | handle, |
| 1173 | offset, |
| 1174 | p, |
| 1175 | &value_len, |
| 1176 | (uint16_t)buf_len, |
| 1177 | sec_flag, |
| 1178 | key_size, |
| 1179 | 0); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1180 | |
Pavlin Radoslavov | 717a4a9 | 2016-02-06 08:36:06 -0800 | [diff] [blame] | 1181 | p_msg->len += value_len; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1182 | |
| 1183 | if (reason != GATT_SUCCESS) |
| 1184 | { |
Pavlin Radoslavov | cceb430 | 2016-02-05 13:54:43 -0800 | [diff] [blame] | 1185 | osi_free(p_msg); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1186 | |
| 1187 | /* in theroy BUSY is not possible(should already been checked), protected check */ |
| 1188 | if (reason != GATT_PENDING && reason != GATT_BUSY) |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 1189 | gatt_send_error_rsp (p_tcb, reason, op_code, handle, false); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1190 | } |
| 1191 | else |
| 1192 | attp_send_sr_msg(p_tcb, p_msg); |
| 1193 | |
| 1194 | } |
| 1195 | |
| 1196 | /******************************************************************************* |
Myles Watson | ee96a3c | 2016-11-23 14:49:54 -0800 | [diff] [blame] | 1197 | * |
| 1198 | * Function gatts_process_attribute_req |
| 1199 | * |
| 1200 | * Description This function is called to process the per attribute handle request |
| 1201 | * from client. |
| 1202 | * |
| 1203 | * Returns void |
| 1204 | * |
| 1205 | ******************************************************************************/ |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 1206 | void gatts_process_attribute_req (tGATT_TCB *p_tcb, uint8_t op_code, |
| 1207 | uint16_t len, uint8_t *p_data) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1208 | { |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 1209 | uint16_t handle = 0; |
| 1210 | uint8_t *p = p_data, i; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1211 | tGATT_SR_REG *p_rcb = gatt_cb.sr_reg; |
| 1212 | tGATT_STATUS status = GATT_INVALID_HANDLE; |
Jakub Pawlowski | c88b20a | 2016-06-21 16:16:09 -0700 | [diff] [blame] | 1213 | tGATT_ATTR *p_attr; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1214 | |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 1215 | if (len < 2) |
| 1216 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 1217 | GATT_TRACE_ERROR("Illegal PDU length, discard request"); |
Andre Eisenbach | ccf9c15 | 2013-10-02 15:37:21 -0700 | [diff] [blame] | 1218 | status = GATT_INVALID_PDU; |
| 1219 | } |
| 1220 | else |
| 1221 | { |
| 1222 | STREAM_TO_UINT16(handle, p); |
| 1223 | len -= 2; |
| 1224 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1225 | |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 1226 | #if (GATT_CONFORMANCE_TESTING == TRUE) |
Andre Eisenbach | 6975b4d | 2013-08-05 16:55:38 -0700 | [diff] [blame] | 1227 | gatt_cb.handle = handle; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1228 | if (gatt_cb.enable_err_rsp && gatt_cb.req_op_code == op_code) |
| 1229 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 1230 | 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] | 1231 | |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 1232 | gatt_send_error_rsp (p_tcb, gatt_cb.err_status, gatt_cb.req_op_code, handle, false); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1233 | |
| 1234 | return; |
| 1235 | } |
| 1236 | #endif |
| 1237 | |
| 1238 | if (GATT_HANDLE_IS_VALID(handle)) |
| 1239 | { |
| 1240 | for (i = 0; i < GATT_MAX_SR_PROFILES; i ++, p_rcb ++) |
| 1241 | { |
| 1242 | if (p_rcb->in_use && p_rcb->s_hdl <= handle && p_rcb->e_hdl >= handle) |
| 1243 | { |
Jakub Pawlowski | c88b20a | 2016-06-21 16:16:09 -0700 | [diff] [blame] | 1244 | p_attr = (tGATT_ATTR *)p_rcb->p_db->p_attr_list; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1245 | |
| 1246 | while (p_attr) |
| 1247 | { |
| 1248 | if (p_attr->handle == handle) |
| 1249 | { |
| 1250 | switch (op_code) |
| 1251 | { |
| 1252 | case GATT_REQ_READ: /* read char/char descriptor value */ |
| 1253 | case GATT_REQ_READ_BLOB: |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1254 | 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] | 1255 | break; |
| 1256 | |
| 1257 | case GATT_REQ_WRITE: /* write char/char descriptor value */ |
| 1258 | case GATT_CMD_WRITE: |
| 1259 | case GATT_SIGN_CMD_WRITE: |
| 1260 | case GATT_REQ_PREPARE_WRITE: |
Jakub Pawlowski | a641b6f | 2016-03-26 00:47:23 -0700 | [diff] [blame] | 1261 | gatts_process_write_req(p_tcb, i, handle, op_code, len, p, |
| 1262 | p_attr->gatt_type); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1263 | break; |
| 1264 | default: |
| 1265 | break; |
| 1266 | } |
| 1267 | status = GATT_SUCCESS; |
| 1268 | break; |
| 1269 | } |
Jakub Pawlowski | c88b20a | 2016-06-21 16:16:09 -0700 | [diff] [blame] | 1270 | p_attr = (tGATT_ATTR *)p_attr->p_next; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1271 | } |
| 1272 | break; |
| 1273 | } |
| 1274 | } |
| 1275 | } |
| 1276 | |
| 1277 | if (status != GATT_SUCCESS && op_code != GATT_CMD_WRITE && op_code != GATT_SIGN_CMD_WRITE) |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 1278 | gatt_send_error_rsp (p_tcb, status, op_code, handle, false); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1279 | } |
| 1280 | |
| 1281 | /******************************************************************************* |
Myles Watson | ee96a3c | 2016-11-23 14:49:54 -0800 | [diff] [blame] | 1282 | * |
| 1283 | * Function gatts_proc_srv_chg_ind_ack |
| 1284 | * |
| 1285 | * Description This function process the service changed indicaiton ACK |
| 1286 | * |
| 1287 | * Returns void |
| 1288 | * |
| 1289 | ******************************************************************************/ |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1290 | static void gatts_proc_srv_chg_ind_ack(tGATT_TCB *p_tcb ) |
| 1291 | { |
| 1292 | tGATTS_SRV_CHG_REQ req; |
| 1293 | tGATTS_SRV_CHG *p_buf = NULL; |
| 1294 | |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 1295 | GATT_TRACE_DEBUG("gatts_proc_srv_chg_ind_ack"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1296 | |
Marie Janssen | f33b6f4 | 2016-11-22 15:01:42 -0800 | [diff] [blame] | 1297 | p_buf = gatt_is_bda_in_the_srv_chg_clt_list(p_tcb->peer_bda); |
| 1298 | if (p_buf != NULL) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1299 | { |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 1300 | GATT_TRACE_DEBUG("NV update set srv chg = false"); |
| 1301 | p_buf->srv_changed = false; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1302 | memcpy(&req.srv_chg, p_buf, sizeof(tGATTS_SRV_CHG)); |
| 1303 | if (gatt_cb.cb_info.p_srv_chg_callback) |
| 1304 | (*gatt_cb.cb_info.p_srv_chg_callback)(GATTS_SRV_CHG_CMD_UPDATE_CLIENT,&req, NULL); |
| 1305 | } |
| 1306 | } |
| 1307 | |
| 1308 | /******************************************************************************* |
Myles Watson | ee96a3c | 2016-11-23 14:49:54 -0800 | [diff] [blame] | 1309 | * |
| 1310 | * Function gatts_chk_pending_ind |
| 1311 | * |
| 1312 | * Description This function check any pending indication needs to be sent if |
| 1313 | * there is a pending indication then sent the indication |
| 1314 | * |
| 1315 | * Returns void |
| 1316 | * |
| 1317 | ******************************************************************************/ |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1318 | static void gatts_chk_pending_ind(tGATT_TCB *p_tcb ) |
| 1319 | { |
Pavlin Radoslavov | 1a3844f | 2015-09-25 11:21:15 -0700 | [diff] [blame] | 1320 | GATT_TRACE_DEBUG("%s", __func__); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1321 | |
Pavlin Radoslavov | 1a3844f | 2015-09-25 11:21:15 -0700 | [diff] [blame] | 1322 | tGATT_VALUE *p_buf = (tGATT_VALUE *)fixed_queue_try_peek_first(p_tcb->pending_ind_q); |
| 1323 | if (p_buf != NULL) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1324 | { |
Pavlin Radoslavov | 1a3844f | 2015-09-25 11:21:15 -0700 | [diff] [blame] | 1325 | GATTS_HandleValueIndication(p_buf->conn_id, |
| 1326 | p_buf->handle, |
| 1327 | p_buf->len, |
| 1328 | p_buf->value); |
Pavlin Radoslavov | cceb430 | 2016-02-05 13:54:43 -0800 | [diff] [blame] | 1329 | osi_free(fixed_queue_try_remove_from_queue(p_tcb->pending_ind_q, |
Pavlin Radoslavov | 1a3844f | 2015-09-25 11:21:15 -0700 | [diff] [blame] | 1330 | p_buf)); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1331 | } |
| 1332 | } |
| 1333 | |
| 1334 | /******************************************************************************* |
Myles Watson | ee96a3c | 2016-11-23 14:49:54 -0800 | [diff] [blame] | 1335 | * |
| 1336 | * Function gatts_proc_ind_ack |
| 1337 | * |
| 1338 | * Description This function process the Indication ack |
| 1339 | * |
| 1340 | * Returns true continue to process the indication ack by the aaplication |
| 1341 | * if the ACk is not a Service Changed Indication Ack |
| 1342 | * |
| 1343 | ******************************************************************************/ |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 1344 | static bool gatts_proc_ind_ack(tGATT_TCB *p_tcb, uint16_t ack_handle) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1345 | { |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 1346 | bool continue_processing = true; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1347 | |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 1348 | 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] | 1349 | |
| 1350 | if (ack_handle == gatt_cb.handle_of_h_r) |
| 1351 | { |
| 1352 | gatts_proc_srv_chg_ind_ack(p_tcb); |
| 1353 | /* there is no need to inform the application since srv chg is handled internally by GATT */ |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 1354 | continue_processing = false; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1355 | } |
| 1356 | |
| 1357 | gatts_chk_pending_ind(p_tcb); |
| 1358 | return continue_processing; |
| 1359 | } |
| 1360 | |
| 1361 | /******************************************************************************* |
Myles Watson | ee96a3c | 2016-11-23 14:49:54 -0800 | [diff] [blame] | 1362 | * |
| 1363 | * Function gatts_process_value_conf |
| 1364 | * |
| 1365 | * Description This function is called to process the handle value confirmation. |
| 1366 | * |
| 1367 | * Returns void |
| 1368 | * |
| 1369 | ******************************************************************************/ |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 1370 | void gatts_process_value_conf(tGATT_TCB *p_tcb, uint8_t op_code) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1371 | { |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 1372 | uint16_t handle = p_tcb->indicate_handle; |
| 1373 | uint32_t trans_id; |
| 1374 | uint8_t i; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1375 | tGATT_SR_REG *p_rcb = gatt_cb.sr_reg; |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 1376 | bool continue_processing; |
| 1377 | uint16_t conn_id; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1378 | |
Pavlin Radoslavov | 78bcff7 | 2015-12-04 17:36:34 -0800 | [diff] [blame] | 1379 | alarm_cancel(p_tcb->conf_timer); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1380 | if (GATT_HANDLE_IS_VALID(handle)) |
| 1381 | { |
| 1382 | p_tcb->indicate_handle = 0; |
| 1383 | continue_processing = gatts_proc_ind_ack(p_tcb, handle); |
| 1384 | |
| 1385 | if (continue_processing) |
| 1386 | { |
| 1387 | for (i = 0; i < GATT_MAX_SR_PROFILES; i ++, p_rcb ++) |
| 1388 | { |
| 1389 | if (p_rcb->in_use && p_rcb->s_hdl <= handle && p_rcb->e_hdl >= handle) |
| 1390 | { |
| 1391 | trans_id = gatt_sr_enqueue_cmd(p_tcb, op_code, handle); |
| 1392 | conn_id = GATT_CREATE_CONN_ID(p_tcb->tcb_idx, p_rcb->gatt_if); |
| 1393 | gatt_sr_send_req_callback(conn_id, |
| 1394 | trans_id, GATTS_REQ_TYPE_CONF, (tGATTS_DATA *)&handle); |
| 1395 | } |
| 1396 | } |
| 1397 | } |
| 1398 | } |
| 1399 | else |
| 1400 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 1401 | GATT_TRACE_ERROR("unexpected handle value confirmation"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1402 | } |
| 1403 | } |
| 1404 | |
| 1405 | /******************************************************************************* |
Myles Watson | ee96a3c | 2016-11-23 14:49:54 -0800 | [diff] [blame] | 1406 | * |
| 1407 | * Function gatt_server_handle_client_req |
| 1408 | * |
| 1409 | * Description This function is called to handle the client requests to |
| 1410 | * server. |
| 1411 | * |
| 1412 | * |
| 1413 | * Returns void |
| 1414 | * |
| 1415 | ******************************************************************************/ |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 1416 | void gatt_server_handle_client_req (tGATT_TCB *p_tcb, uint8_t op_code, |
| 1417 | uint16_t len, uint8_t *p_data) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1418 | { |
| 1419 | /* there is pending command, discard this one */ |
| 1420 | if (!gatt_sr_cmd_empty(p_tcb) && op_code != GATT_HANDLE_VALUE_CONF) |
| 1421 | return; |
| 1422 | |
| 1423 | /* the size of the message may not be bigger than the local max PDU size*/ |
| 1424 | /* The message has to be smaller than the agreed MTU, len does not include op code */ |
| 1425 | if (len >= p_tcb->payload_size) |
| 1426 | { |
Sharvil Nanavati | b44cc59 | 2014-05-04 10:03:35 -0700 | [diff] [blame] | 1427 | 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] | 1428 | /* for invalid request expecting response, send it now */ |
| 1429 | if (op_code != GATT_CMD_WRITE && |
| 1430 | op_code != GATT_SIGN_CMD_WRITE && |
| 1431 | op_code != GATT_HANDLE_VALUE_CONF) |
| 1432 | { |
Marie Janssen | d19e078 | 2016-07-15 12:48:27 -0700 | [diff] [blame] | 1433 | gatt_send_error_rsp (p_tcb, GATT_INVALID_PDU, op_code, 0, false); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1434 | } |
| 1435 | /* otherwise, ignore the pkt */ |
| 1436 | } |
| 1437 | else |
| 1438 | { |
| 1439 | switch (op_code) |
| 1440 | { |
| 1441 | case GATT_REQ_READ_BY_GRP_TYPE: /* discover primary services */ |
| 1442 | case GATT_REQ_FIND_TYPE_VALUE: /* discover service by UUID */ |
| 1443 | gatts_process_primary_service_req (p_tcb, op_code, len, p_data); |
| 1444 | break; |
| 1445 | |
| 1446 | case GATT_REQ_FIND_INFO:/* discover char descrptor */ |
| 1447 | gatts_process_find_info(p_tcb, op_code, len, p_data); |
| 1448 | break; |
| 1449 | |
| 1450 | case GATT_REQ_READ_BY_TYPE: /* read characteristic value, char descriptor value */ |
| 1451 | /* discover characteristic, discover char by UUID */ |
| 1452 | gatts_process_read_by_type_req(p_tcb, op_code, len, p_data); |
| 1453 | break; |
| 1454 | |
| 1455 | |
| 1456 | case GATT_REQ_READ: /* read char/char descriptor value */ |
| 1457 | case GATT_REQ_READ_BLOB: |
| 1458 | case GATT_REQ_WRITE: /* write char/char descriptor value */ |
| 1459 | case GATT_CMD_WRITE: |
| 1460 | case GATT_SIGN_CMD_WRITE: |
| 1461 | case GATT_REQ_PREPARE_WRITE: |
| 1462 | gatts_process_attribute_req (p_tcb, op_code, len, p_data); |
| 1463 | break; |
| 1464 | |
| 1465 | case GATT_HANDLE_VALUE_CONF: |
| 1466 | gatts_process_value_conf (p_tcb, op_code); |
| 1467 | break; |
| 1468 | |
| 1469 | case GATT_REQ_MTU: |
| 1470 | gatts_process_mtu_req (p_tcb, len, p_data); |
| 1471 | break; |
| 1472 | |
| 1473 | case GATT_REQ_EXEC_WRITE: |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1474 | 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] | 1475 | break; |
| 1476 | |
| 1477 | case GATT_REQ_READ_MULTI: |
| 1478 | gatt_process_read_multi_req (p_tcb, op_code, len, p_data); |
| 1479 | break; |
| 1480 | |
| 1481 | default: |
| 1482 | break; |
| 1483 | } |
| 1484 | } |
| 1485 | } |