Rev 1512 | Rev 1516 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
1445 | cejka | 1 | /* |
2 | * Copyright (C) 2006 Josef Cejka |
||
3 | * All rights reserved. |
||
4 | * |
||
5 | * Redistribution and use in source and binary forms, with or without |
||
6 | * modification, are permitted provided that the following conditions |
||
7 | * are met: |
||
8 | * |
||
9 | * - Redistributions of source code must retain the above copyright |
||
10 | * notice, this list of conditions and the following disclaimer. |
||
11 | * - Redistributions in binary form must reproduce the above copyright |
||
12 | * notice, this list of conditions and the following disclaimer in the |
||
13 | * documentation and/or other materials provided with the distribution. |
||
14 | * - The name of the author may not be used to endorse or promote products |
||
15 | * derived from this software without specific prior written permission. |
||
16 | * |
||
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
||
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
||
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
||
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
||
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
||
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
||
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
||
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
||
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
||
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||
27 | */ |
||
28 | |||
29 | |||
30 | #include <kbd.h> |
||
1451 | cejka | 31 | #include <fb.h> |
1445 | cejka | 32 | #include <ipc/ipc.h> |
1451 | cejka | 33 | #include <ipc/fb.h> |
1445 | cejka | 34 | #include <ipc/services.h> |
35 | #include <errno.h> |
||
1451 | cejka | 36 | #include <key_buffer.h> |
37 | #include <console.h> |
||
1453 | palkovsky | 38 | #include <unistd.h> |
39 | #include <async.h> |
||
1481 | cejka | 40 | #include <libadt/fifo.h> |
1487 | cejka | 41 | #include <screenbuffer.h> |
1512 | cejka | 42 | #include <sys/mman.h> |
1445 | cejka | 43 | |
1497 | cejka | 44 | #define CONSOLE_COUNT 12 |
1481 | cejka | 45 | #define MAX_KEYREQUESTS_BUFFERED 32 |
1451 | cejka | 46 | |
1445 | cejka | 47 | #define NAME "CONSOLE" |
48 | |||
1512 | cejka | 49 | int active_console = 0; |
1453 | palkovsky | 50 | |
1487 | cejka | 51 | struct { |
52 | int phone; /**< Framebuffer phone */ |
||
1506 | cejka | 53 | ipcarg_t rows; /**< Framebuffer rows */ |
54 | ipcarg_t cols; /**< Framebuffer columns */ |
||
1487 | cejka | 55 | } fb_info; |
56 | |||
1451 | cejka | 57 | typedef struct { |
58 | keybuffer_t keybuffer; |
||
1481 | cejka | 59 | FIFO_CREATE_STATIC(keyrequests, ipc_callid_t , MAX_KEYREQUESTS_BUFFERED); |
60 | int keyrequest_counter; |
||
1451 | cejka | 61 | int client_phone; |
62 | int used; |
||
1487 | cejka | 63 | screenbuffer_t screenbuffer; |
1451 | cejka | 64 | } connection_t; |
65 | |||
1506 | cejka | 66 | |
67 | |||
1451 | cejka | 68 | connection_t connections[CONSOLE_COUNT]; |
1512 | cejka | 69 | keyfield_t *interbuffer = NULL; |
70 | |||
1451 | cejka | 71 | static int find_free_connection() |
72 | { |
||
73 | int i = 0; |
||
74 | |||
75 | while (i < CONSOLE_COUNT) { |
||
76 | if (connections[i].used == 0) |
||
77 | return i; |
||
78 | ++i; |
||
79 | } |
||
80 | return CONSOLE_COUNT; |
||
81 | } |
||
82 | |||
83 | |||
84 | static int find_connection(int client_phone) |
||
85 | { |
||
86 | int i = 0; |
||
87 | |||
88 | while (i < CONSOLE_COUNT) { |
||
89 | if (connections[i].client_phone == client_phone) |
||
90 | return i; |
||
91 | ++i; |
||
92 | } |
||
93 | return CONSOLE_COUNT; |
||
94 | } |
||
95 | |||
1497 | cejka | 96 | /** Check key and process special keys. |
97 | * |
||
98 | * */ |
||
99 | static void write_char(int console, char key) |
||
100 | { |
||
101 | screenbuffer_t *scr = &(connections[console].screenbuffer); |
||
102 | |||
103 | switch (key) { |
||
104 | case '\n': |
||
105 | scr->position_y += 1; |
||
106 | scr->position_x = 0; |
||
107 | break; |
||
108 | case '\r': |
||
109 | break; |
||
110 | case '\t': |
||
111 | scr->position_x += 8; |
||
112 | scr->position_x -= scr->position_x % 8; |
||
113 | break; |
||
114 | case '\b': |
||
115 | if (scr->position_x == 0) |
||
116 | break; |
||
117 | |||
118 | scr->position_x--; |
||
119 | |||
120 | if (console == active_console) { |
||
121 | ipc_call_async_3(fb_info.phone, FB_PUTCHAR, ' ', scr->position_y, scr->position_x, NULL, NULL); |
||
122 | } |
||
123 | |||
124 | screenbuffer_putchar(scr, ' '); |
||
125 | |||
126 | break; |
||
127 | default: |
||
128 | if (console == active_console) { |
||
129 | ipc_call_async_3(fb_info.phone, FB_PUTCHAR, key, scr->position_y, scr->position_x, NULL, NULL); |
||
130 | } |
||
131 | |||
132 | screenbuffer_putchar(scr, key); |
||
133 | scr->position_x++; |
||
134 | } |
||
135 | |||
136 | scr->position_y += (scr->position_x >= scr->size_x); |
||
137 | |||
138 | if (scr->position_y >= scr->size_y) { |
||
139 | scr->position_y = scr->size_y - 1; |
||
140 | screenbuffer_clear_line(scr, scr->top_line++); |
||
141 | ipc_call_async(fb_info.phone, FB_SCROLL, 1, NULL, NULL); |
||
142 | } |
||
143 | |||
144 | scr->position_x = scr->position_x % scr->size_x; |
||
145 | |||
1504 | cejka | 146 | if (console == active_console) |
147 | ipc_call_async_2(fb_info.phone, FB_CURSOR_GOTO, scr->position_y, scr->position_x, NULL, NULL); |
||
148 | |||
1497 | cejka | 149 | } |
150 | |||
151 | |||
1453 | palkovsky | 152 | /* Handler for keyboard */ |
153 | static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall) |
||
1445 | cejka | 154 | { |
1453 | palkovsky | 155 | ipc_callid_t callid; |
1445 | cejka | 156 | ipc_call_t call; |
1453 | palkovsky | 157 | int retval; |
1487 | cejka | 158 | int i, j; |
1489 | palkovsky | 159 | char c,d; |
160 | connection_t *conn; |
||
1506 | cejka | 161 | |
1453 | palkovsky | 162 | /* Ignore parameters, the connection is alread opened */ |
163 | while (1) { |
||
164 | callid = async_get_call(&call); |
||
165 | switch (IPC_GET_METHOD(call)) { |
||
166 | case IPC_M_PHONE_HUNGUP: |
||
167 | ipc_answer_fast(callid,0,0,0); |
||
168 | /* TODO: Handle hangup */ |
||
169 | return; |
||
170 | case KBD_PUSHCHAR: |
||
171 | /* got key from keyboard driver */ |
||
1465 | cejka | 172 | |
1453 | palkovsky | 173 | retval = 0; |
1476 | cejka | 174 | c = IPC_GET_ARG1(call); |
1453 | palkovsky | 175 | /* switch to another virtual console */ |
1481 | cejka | 176 | |
1489 | palkovsky | 177 | conn = &connections[active_console]; |
1490 | palkovsky | 178 | // if ((c >= KBD_KEY_F1) && (c < KBD_KEY_F1 + CONSOLE_COUNT)) { |
179 | if ((c >= '1') && (c < '1' + CONSOLE_COUNT)) { |
||
1487 | cejka | 180 | /*FIXME: draw another console content from buffer */ |
1499 | cejka | 181 | if (c - '1' == active_console) |
1497 | cejka | 182 | break; |
1490 | palkovsky | 183 | active_console = c - '1'; |
1489 | palkovsky | 184 | conn = &connections[active_console]; |
185 | |||
186 | ipc_call_async(fb_info.phone, FB_CURSOR_VISIBILITY, 0, NULL, NULL); |
||
1512 | cejka | 187 | |
188 | if (interbuffer) { |
||
189 | for (i = 0; i < fb_info.cols * fb_info.rows; i++) |
||
190 | interbuffer[i] = conn->screenbuffer.buffer[i]; |
||
191 | ipc_call_sync(fb_info.phone, FB_DRAW_TEXT_DATA, 0, NULL); |
||
192 | } else { |
||
193 | |||
194 | ipc_call_async_2(fb_info.phone, FB_CLEAR, 0, 0, NULL, NULL); |
||
1497 | cejka | 195 | |
1512 | cejka | 196 | |
197 | for (i = 0; i < conn->screenbuffer.size_x; i++) |
||
198 | for (j = 0; j < conn->screenbuffer.size_y; j++) { |
||
199 | d = get_field_at(&(conn->screenbuffer),i, j)->character; |
||
200 | if (d && d != ' ') |
||
201 | ipc_call_async_3(fb_info.phone, FB_PUTCHAR, d, j, i, NULL, NULL); |
||
202 | } |
||
1499 | cejka | 203 | |
1512 | cejka | 204 | ipc_call_async_2(fb_info.phone, FB_CURSOR_GOTO, conn->screenbuffer.position_y, conn->screenbuffer.position_x, NULL, NULL); |
205 | } |
||
1489 | palkovsky | 206 | ipc_call_async(fb_info.phone, FB_CURSOR_VISIBILITY, 1, NULL, NULL); |
1487 | cejka | 207 | |
1453 | palkovsky | 208 | break; |
209 | } |
||
1481 | cejka | 210 | |
211 | /* if client is awaiting key, send it */ |
||
1489 | palkovsky | 212 | if (conn->keyrequest_counter > 0) { |
213 | conn->keyrequest_counter--; |
||
214 | ipc_answer_fast(fifo_pop(conn->keyrequests), 0, c, 0); |
||
1481 | cejka | 215 | break; |
216 | } |
||
217 | |||
218 | /*FIXME: else store key to its buffer */ |
||
1489 | palkovsky | 219 | keybuffer_push(&conn->keybuffer, c); |
1476 | cejka | 220 | |
1453 | palkovsky | 221 | break; |
222 | default: |
||
1459 | palkovsky | 223 | retval = ENOENT; |
1453 | palkovsky | 224 | } |
1459 | palkovsky | 225 | ipc_answer_fast(callid, retval, 0, 0); |
1453 | palkovsky | 226 | } |
227 | } |
||
228 | |||
229 | /** Default thread for new connections */ |
||
230 | void client_connection(ipc_callid_t iid, ipc_call_t *icall) |
||
231 | { |
||
1445 | cejka | 232 | ipc_callid_t callid; |
1453 | palkovsky | 233 | ipc_call_t call; |
234 | int consnum; |
||
235 | ipcarg_t arg1; |
||
236 | |||
237 | if ((consnum = find_free_connection()) == CONSOLE_COUNT) { |
||
238 | ipc_answer_fast(iid,ELIMIT,0,0); |
||
239 | return; |
||
240 | } |
||
1497 | cejka | 241 | |
1453 | palkovsky | 242 | connections[consnum].used = 1; |
243 | connections[consnum].client_phone = IPC_GET_ARG3(call); |
||
1487 | cejka | 244 | screenbuffer_clear(&(connections[consnum].screenbuffer)); |
1497 | cejka | 245 | |
1453 | palkovsky | 246 | /* Accept the connection */ |
247 | ipc_answer_fast(iid,0,0,0); |
||
248 | |||
249 | while (1) { |
||
250 | callid = async_get_call(&call); |
||
251 | switch (IPC_GET_METHOD(call)) { |
||
252 | case IPC_M_PHONE_HUNGUP: |
||
253 | /* TODO */ |
||
254 | ipc_answer_fast(callid, 0,0,0); |
||
255 | return; |
||
256 | case CONSOLE_PUTCHAR: |
||
1497 | cejka | 257 | write_char(consnum, IPC_GET_ARG1(call)); |
1453 | palkovsky | 258 | break; |
1476 | cejka | 259 | case CONSOLE_CLEAR: |
1487 | cejka | 260 | /* Send message to fb */ |
261 | if (consnum == active_console) { |
||
262 | ipc_call_async_2(fb_info.phone, FB_CLEAR, 0, 0, NULL, NULL); |
||
263 | } |
||
264 | |||
265 | screenbuffer_clear(&(connections[consnum].screenbuffer)); |
||
266 | |||
1476 | cejka | 267 | break; |
268 | case CONSOLE_GOTO: |
||
1487 | cejka | 269 | |
270 | screenbuffer_goto(&(connections[consnum].screenbuffer), IPC_GET_ARG1(call), IPC_GET_ARG2(call)); |
||
271 | |||
1476 | cejka | 272 | break; |
273 | |||
1453 | palkovsky | 274 | case CONSOLE_GETCHAR: |
1481 | cejka | 275 | if (keybuffer_empty(&(connections[consnum].keybuffer))) { |
276 | /* buffer is empty -> store request */ |
||
277 | if (connections[consnum].keyrequest_counter < MAX_KEYREQUESTS_BUFFERED) { |
||
278 | fifo_push(connections[consnum].keyrequests, callid); |
||
279 | connections[consnum].keyrequest_counter++; |
||
280 | } else { |
||
281 | /* no key available and too many requests => fail */ |
||
282 | ipc_answer_fast(callid, ELIMIT, 0, 0); |
||
283 | } |
||
284 | continue; |
||
1453 | palkovsky | 285 | }; |
1476 | cejka | 286 | keybuffer_pop(&(connections[consnum].keybuffer), (char *)&arg1); |
1465 | cejka | 287 | |
1453 | palkovsky | 288 | break; |
289 | } |
||
1465 | cejka | 290 | ipc_answer_fast(callid, 0, arg1, 0); |
1453 | palkovsky | 291 | } |
292 | } |
||
293 | |||
294 | int main(int argc, char *argv[]) |
||
295 | { |
||
296 | ipcarg_t phonehash; |
||
1451 | cejka | 297 | int kbd_phone, fb_phone; |
1445 | cejka | 298 | ipcarg_t retval, arg1 = 0xdead, arg2 = 0xbeef; |
1451 | cejka | 299 | int i; |
1490 | palkovsky | 300 | |
301 | async_set_client_connection(client_connection); |
||
1445 | cejka | 302 | |
303 | /* Connect to keyboard driver */ |
||
304 | |||
1451 | cejka | 305 | while ((kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0)) < 0) { |
1453 | palkovsky | 306 | usleep(10000); |
1445 | cejka | 307 | }; |
308 | |||
1453 | palkovsky | 309 | if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, &phonehash) != 0) { |
1445 | cejka | 310 | return -1; |
311 | }; |
||
312 | |||
313 | /* Connect to framebuffer driver */ |
||
314 | |||
1487 | cejka | 315 | while ((fb_info.phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0)) < 0) { |
316 | usleep(10000); |
||
317 | } |
||
318 | |||
319 | ipc_call_sync_2(fb_info.phone, FB_GET_CSIZE, 0, 0, &(fb_info.rows), &(fb_info.cols)); |
||
1514 | cejka | 320 | ipc_call_async_2(fb_info.phone, FB_SET_STYLE, DEFAULT_FOREGROUND_COLOR, DEFAULT_BACKGROUND_COLOR, NULL, NULL); |
1489 | palkovsky | 321 | ipc_call_sync(fb_info.phone, FB_CURSOR_VISIBILITY, 1, NULL); |
1487 | cejka | 322 | |
323 | /* Init virtual consoles */ |
||
1451 | cejka | 324 | for (i = 0; i < CONSOLE_COUNT; i++) { |
325 | connections[i].used = 0; |
||
326 | keybuffer_init(&(connections[i].keybuffer)); |
||
1481 | cejka | 327 | |
328 | connections[i].keyrequests.head = connections[i].keyrequests.tail = 0; |
||
329 | connections[i].keyrequests.items = MAX_KEYREQUESTS_BUFFERED; |
||
330 | connections[i].keyrequest_counter = 0; |
||
1487 | cejka | 331 | |
332 | if (screenbuffer_init(&(connections[i].screenbuffer), fb_info.cols, fb_info.rows ) == NULL) { |
||
333 | /*FIXME: handle error */ |
||
334 | return -1; |
||
335 | } |
||
1451 | cejka | 336 | } |
1445 | cejka | 337 | |
1512 | cejka | 338 | if ((interbuffer = mmap(NULL, sizeof(keyfield_t) * fb_info.cols * fb_info.rows , PROTO_READ|PROTO_WRITE, MAP_ANONYMOUS|MAP_PRIVATE, 0 ,0 )) != NULL) { |
339 | if (ipc_call_sync_3(fb_info.phone, IPC_M_AS_AREA_SEND, (ipcarg_t)interbuffer, 0, AS_AREA_READ | AS_AREA_CACHEABLE, NULL, NULL, NULL) != 0) { |
||
340 | // ipc_call_async_3(fb_info.phone, FB_PUTCHAR, '?', 10, 10, NULL, NULL); |
||
341 | munmap(interbuffer, sizeof(keyfield_t) * fb_info.cols * fb_info.rows); |
||
342 | interbuffer = NULL; |
||
343 | } |
||
344 | /* } else { |
||
345 | ipc_call_async_3(fb_info.phone, FB_PUTCHAR, '!', 10, 10, NULL, NULL); |
||
346 | */ |
||
347 | } |
||
348 | |||
1506 | cejka | 349 | async_new_connection(phonehash, 0, NULL, keyboard_events); |
350 | |||
1504 | cejka | 351 | ipc_call_async_2(fb_info.phone, FB_CURSOR_GOTO, 0, 0, NULL, NULL); |
1497 | cejka | 352 | |
1453 | palkovsky | 353 | if (ipc_connect_to_me(PHONE_NS, SERVICE_CONSOLE, 0, &phonehash) != 0) { |
1445 | cejka | 354 | return -1; |
355 | }; |
||
356 | |||
1453 | palkovsky | 357 | async_manager(); |
1451 | cejka | 358 | |
1445 | cejka | 359 | return 0; |
360 | } |