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 *******************************************************************************/
bta_fs_ci_write(int fd,tBTA_FS_CO_STATUS status,UINT16 evt)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 *******************************************************************************/
bta_fs_ci_read(int fd,UINT16 num_bytes_read,tBTA_FS_CO_STATUS status,UINT16 evt)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 *******************************************************************************/
bta_fs_ci_open(int fd,tBTA_FS_CO_STATUS status,UINT32 file_size,UINT16 evt)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 *******************************************************************************/
bta_fs_ci_direntry(tBTA_FS_CO_STATUS status,UINT16 evt)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 *******************************************************************************/
bta_fs_ci_resume(BD_ADDR_PTR p_addr,UINT8 * p_sess_info,UINT32 timeout,UINT32 offset,UINT8 ssn,UINT8 info,tBTA_FS_CO_STATUS status,UINT16 evt)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 *******************************************************************************/
bta_fs_ci_action(tBTA_FS_CO_STATUS status,UINT16 evt)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 *******************************************************************************/
bta_fs_ci_resume_op(int fd,tBTA_FS_CO_STATUS status,const char * p_file,UINT32 file_size,UINT16 evt)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