1 /****************************************************************************** 2 * 3 * Copyright (C) 2003-2012 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 is the implementation file for the file system call-in functions. 22 * 23 ******************************************************************************/ 24 #include <string.h> 25 26 #include "bta_api.h" 27 #include "bta_sys.h" 28 #include "bta_fs_ci.h" 29 #include "gki.h" 30 #include "bd.h" 31 32 /******************************************************************************* 33 ** 34 ** Function bta_fs_ci_write 35 ** 36 ** Description This function sends an event to IO indicating the phone 37 ** has written the number of bytes specified in the call-out 38 ** function, bta_fs_co_write(), and is ready for more data. 39 ** This function is used to control the TX data flow. 40 ** Note: The data buffer is released by the stack after 41 ** calling this function. 42 ** 43 ** Parameters fd - file descriptor passed to the stack in the 44 ** bta_fs_ci_open call-in function. 45 ** status - BTA_FS_CO_OK or BTA_FS_CO_FAIL 46 ** 47 ** Returns void 48 ** 49 *******************************************************************************/ 50 void bta_fs_ci_write(int fd, tBTA_FS_CO_STATUS status, UINT16 evt) 51 { 52 tBTA_FS_CI_WRITE_EVT *p_evt; 53 54 if ((p_evt = (tBTA_FS_CI_WRITE_EVT *) GKI_getbuf(sizeof(tBTA_FS_CI_WRITE_EVT))) != NULL) 55 { 56 p_evt->hdr.event = evt; 57 p_evt->fd = fd; 58 p_evt->status = status; 59 60 bta_sys_sendmsg(p_evt); 61 } 62 } 63 64 /******************************************************************************* 65 ** 66 ** Function bta_fs_ci_read 67 ** 68 ** Description This function sends an event to BTA indicating the phone has 69 ** read in the requested amount of data specified in the 70 ** bta_fs_co_read() call-out function. It should only be called 71 ** when the requested number of bytes has been read in, or after 72 ** the end of the file has been detected. 73 ** 74 ** Parameters fd - file descriptor passed to the stack in the 75 ** bta_fs_ci_open call-in function. 76 ** num_bytes_read - number of bytes read into the buffer 77 ** specified in the read callout-function. 78 ** status - BTA_FS_CO_OK if full buffer of data, 79 ** BTA_FS_CO_EOF if the end of file has been reached, 80 ** BTA_FS_CO_FAIL if an error has occurred. 81 ** 82 ** Returns void 83 ** 84 *******************************************************************************/ 85 void bta_fs_ci_read(int fd, UINT16 num_bytes_read, tBTA_FS_CO_STATUS status, UINT16 evt) 86 { 87 tBTA_FS_CI_READ_EVT *p_evt; 88 89 if ((p_evt = (tBTA_FS_CI_READ_EVT *) GKI_getbuf(sizeof(tBTA_FS_CI_READ_EVT))) != NULL) 90 { 91 p_evt->hdr.event = evt; 92 p_evt->fd = fd; 93 p_evt->status = status; 94 p_evt->num_read = num_bytes_read; 95 96 bta_sys_sendmsg(p_evt); 97 } 98 } 99 100 /******************************************************************************* 101 ** 102 ** Function bta_fs_ci_open 103 ** 104 ** Description This function sends an event to BTA indicating the phone has 105 ** finished opening a file for reading or writing. 106 ** 107 ** Parameters fd - file descriptor passed to the stack in the 108 ** bta_fs_ci_open call-in function. 109 ** status - BTA_FS_CO_OK if file was opened in mode specified 110 ** in the call-out function. 111 ** BTA_FS_CO_EACCES if the file exists, but contains 112 ** the wrong access permissions. 113 ** BTA_FS_CO_FAIL if any other error has occurred. 114 ** file_size - The total size of the file 115 ** evt - Used Internally by BTA -> MUST be same value passed 116 ** in call-out function. 117 ** 118 ** Returns void 119 ** 120 *******************************************************************************/ 121 void bta_fs_ci_open(int fd, tBTA_FS_CO_STATUS status, UINT32 file_size, UINT16 evt) 122 { 123 tBTA_FS_CI_OPEN_EVT *p_evt; 124 125 if ((p_evt = (tBTA_FS_CI_OPEN_EVT *) GKI_getbuf(sizeof(tBTA_FS_CI_OPEN_EVT))) != NULL) 126 { 127 p_evt->hdr.event = evt; 128 p_evt->fd = fd; 129 p_evt->status = status; 130 p_evt->file_size = file_size; 131 p_evt->p_file = NULL; 132 133 bta_sys_sendmsg(p_evt); 134 } 135 } 136 137 /******************************************************************************* 138 ** 139 ** Function bta_fs_ci_direntry 140 ** 141 ** Description This function is called in response to the 142 ** bta_fs_co_getdirentry call-out function. 143 ** 144 ** Parameters status - BTA_FS_CO_OK if p_entry points to a valid entry. 145 ** BTA_FS_CO_EODIR if no more entries (p_entry is ignored). 146 ** BTA_FS_CO_FAIL if any errors have occurred. 147 ** 148 ** Returns void 149 ** 150 *******************************************************************************/ 151 void bta_fs_ci_direntry(tBTA_FS_CO_STATUS status, UINT16 evt) 152 { 153 tBTA_FS_CI_GETDIR_EVT *p_evt; 154 155 if ((p_evt = (tBTA_FS_CI_GETDIR_EVT *)GKI_getbuf(sizeof(tBTA_FS_CI_GETDIR_EVT))) != NULL) 156 { 157 p_evt->hdr.event = evt; 158 p_evt->status = status; 159 bta_sys_sendmsg(p_evt); 160 } 161 } 162 163 /******************************************************************************* 164 ** 165 ** Function bta_fs_ci_resume 166 ** 167 ** Description This function is called in response to the 168 ** bta_fs_co_resume call-out function. 169 ** 170 ** Parameters p_sess_info - the stored session ID and related information. 171 ** timeout - the timeout for this suspended session. 172 ** ssn - the stored session sequence number. 173 ** info - the stored BTA specific information (like last active operation). 174 ** status - BTA_FS_CO_OK if p_entry points to a valid entry. 175 ** BTA_FS_CO_FAIL if any errors have occurred. 176 ** evt - Used Internally by BTA -> MUST be same value passed 177 ** in call-out function. 178 ** 179 ** Returns void 180 ** 181 *******************************************************************************/ 182 void bta_fs_ci_resume (BD_ADDR_PTR p_addr, UINT8 *p_sess_info, 183 UINT32 timeout, UINT32 offset, UINT8 ssn, UINT8 info, 184 tBTA_FS_CO_STATUS status, UINT16 evt) 185 { 186 tBTA_FS_CI_RESUME_EVT *p_evt; 187 UINT16 size = sizeof(tBTA_FS_CI_RESUME_EVT) + sizeof(BD_ADDR); 188 189 if ((p_evt = (tBTA_FS_CI_RESUME_EVT *)GKI_getbuf(size)) != NULL) 190 { 191 p_evt->p_addr = NULL; 192 if (p_addr != NULL) 193 { 194 p_evt->p_addr = (BD_ADDR_PTR)(p_evt + 1); 195 bdcpy(p_evt->p_addr, p_addr); 196 } 197 p_evt->hdr.event = evt; 198 p_evt->p_sess_info = p_sess_info; 199 p_evt->timeout = timeout; 200 p_evt->offset = offset; 201 p_evt->ssn = ssn; 202 p_evt->info = info; 203 p_evt->status = status; 204 bta_sys_sendmsg(p_evt); 205 } 206 } 207 208 /******************************************************************************* 209 ** 210 ** Function bta_fs_ci_action 211 ** 212 ** Description This function is called in response to one of the action 213 ** call-out functions: bta_fs_co_copy, bta_fs_co_rename or 214 ** bta_fs_co_set_perms. 215 ** 216 ** Parameters status - BTA_FS_CO_OK if the action is succession. 217 ** BTA_FS_CO_FAIL if any errors have occurred. 218 ** evt - Used Internally by BTA -> MUST be same value passed 219 ** in call-out function. 220 ** 221 ** Returns void 222 ** 223 *******************************************************************************/ 224 void bta_fs_ci_action(tBTA_FS_CO_STATUS status, UINT16 evt) 225 { 226 tBTA_FS_CI_ACTION_EVT *p_evt; 227 228 if ((p_evt = (tBTA_FS_CI_ACTION_EVT *) GKI_getbuf(sizeof(tBTA_FS_CI_ACTION_EVT))) != NULL) 229 { 230 p_evt->hdr.event = evt; 231 p_evt->status = status; 232 233 bta_sys_sendmsg(p_evt); 234 } 235 } 236 237 /******************************************************************************* 238 ** 239 ** Function bta_fs_ci_resume_op 240 ** 241 ** Description This function sends an event to BTA indicating the phone has 242 ** finished opening a file for reading or writing on resume. 243 ** 244 ** Parameters fd - file descriptor passed to the stack in the 245 ** bta_fs_ci_open call-in function. 246 ** status - BTA_FS_CO_OK if file was opened in mode specified 247 ** in the call-out function. 248 ** BTA_FS_CO_EACCES if the file exists, but contains 249 ** the wrong access permissions. 250 ** BTA_FS_CO_FAIL if any other error has occurred. 251 ** p_file - The file name associated with fd 252 ** file_size - The total size of the file 253 ** evt - Used Internally by BTA -> MUST be same value passed 254 ** in call-out function. 255 ** 256 ** Returns void 257 ** 258 *******************************************************************************/ 259 void bta_fs_ci_resume_op(int fd, tBTA_FS_CO_STATUS status, const char *p_file, 260 UINT32 file_size, UINT16 evt) 261 { 262 tBTA_FS_CI_OPEN_EVT *p_evt; 263 UINT16 file_len = strlen(p_file) + 1; 264 UINT16 size = sizeof(tBTA_FS_CI_OPEN_EVT) + file_len; 265 char *p; 266 267 if ((p_evt = (tBTA_FS_CI_OPEN_EVT *) GKI_getbuf(size)) != NULL) 268 { 269 p_evt->hdr.event = evt; 270 p_evt->fd = fd; 271 p_evt->status = status; 272 p_evt->file_size = file_size; 273 p = (char *)(p_evt + 1); 274 BCM_STRNCPY_S (p, file_len, p_file, file_len-1); 275 p[file_len] = '\0'; 276 p_evt->p_file = (const char *)p; 277 278 bta_sys_sendmsg(p_evt); 279 } 280 } 281
