| 14 |
* * |
* * |
| 15 |
***************************************************************************/ |
***************************************************************************/ |
| 16 |
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| 17 |
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#include "screen.h" |
| 18 |
#include "bbs.h" |
#include "bbs.h" |
| 19 |
#include "common.h" |
#include "common.h" |
| 20 |
#include "str_process.h" |
#include "str_process.h" |
| 21 |
#include "log.h" |
#include "log.h" |
| 22 |
#include "io.h" |
#include "io.h" |
| 23 |
#include "screen.h" |
#include "file_loader.h" |
| 24 |
#include <string.h> |
#include <fcntl.h> |
| 25 |
#include <ctype.h> |
#include <ctype.h> |
| 26 |
#include <unistd.h> |
#include <unistd.h> |
| 27 |
#include <stdlib.h> |
#include <stdlib.h> |
| 28 |
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#include <errno.h> |
| 29 |
#include <sys/types.h> |
#include <sys/types.h> |
| 30 |
#include <sys/stat.h> |
#include <sys/stat.h> |
| 31 |
#include <sys/param.h> |
#include <sys/param.h> |
| 32 |
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#include <sys/shm.h> |
| 33 |
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| 34 |
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#define _POSIX_C_SOURCE 200809L |
| 35 |
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#include <string.h> |
| 36 |
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| 37 |
#define ACTIVE_BOARD_HEIGHT 8 |
#define ACTIVE_BOARD_HEIGHT 8 |
| 38 |
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| 39 |
int screen_rows = 24; |
#define STR_TOP_LEFT_MAX_LEN 40 |
| 40 |
int screen_cols = 80; |
#define STR_TOP_MIDDLE_MAX_LEN 20 |
| 41 |
|
#define STR_TOP_RIGHT_MAX_LEN 20 |
| 42 |
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|
| 43 |
void moveto(int row, int col) |
void moveto(int row, int col) |
| 44 |
{ |
{ |
| 54 |
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| 55 |
void clrtoeol() |
void clrtoeol() |
| 56 |
{ |
{ |
| 57 |
prints("\033[K"); |
prints(CTRL_SEQ_CLR_LINE); |
| 58 |
} |
} |
| 59 |
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|
| 60 |
void clrline(int line_begin, int line_end) |
void clrline(int line_begin, int line_end) |
| 64 |
for (i = line_begin; i <= line_end; i++) |
for (i = line_begin; i <= line_end; i++) |
| 65 |
{ |
{ |
| 66 |
moveto(i, 0); |
moveto(i, 0); |
| 67 |
prints("\033[K"); |
prints(CTRL_SEQ_CLR_LINE); |
| 68 |
} |
} |
| 69 |
} |
} |
| 70 |
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| 83 |
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| 84 |
int press_any_key() |
int press_any_key() |
| 85 |
{ |
{ |
| 86 |
moveto(screen_rows, 0); |
moveto(SCREEN_ROWS, 0); |
| 87 |
clrtoeol(); |
clrtoeol(); |
| 88 |
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|
| 89 |
prints(" \033[1;33m按任意键继续...\033[0;37m"); |
prints(" \033[1;33m按任意键继续...\033[0;37m"); |
| 105 |
prints("\xff\xfb\x01\xff\xfb\x03"); |
prints("\xff\xfb\x01\xff\xfb\x03"); |
| 106 |
iflush(); |
iflush(); |
| 107 |
igetch(0); |
igetch(0); |
| 108 |
igetch(1); |
igetch_reset(); |
| 109 |
} |
} |
| 110 |
} |
} |
| 111 |
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|
| 119 |
for (offset = 0; offset < buf_size - 1 && buffer[offset] != '\0'; offset++) |
for (offset = 0; offset < buf_size - 1 && buffer[offset] != '\0'; offset++) |
| 120 |
; |
; |
| 121 |
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|
| 122 |
while (!SYS_server_exit && (c = igetch_t(MIN(MAX_DELAY_TIME, 60)))) |
igetch_reset(); |
| 123 |
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| 124 |
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while (!SYS_server_exit) |
| 125 |
{ |
{ |
| 126 |
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c = igetch_t(MIN(MAX_DELAY_TIME, 60)); |
| 127 |
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|
| 128 |
if (c == CR) |
if (c == CR) |
| 129 |
{ |
{ |
| 130 |
igetch(1); // Cleanup remaining '\n' in the buffer |
igetch_reset(); |
| 131 |
break; |
break; |
| 132 |
} |
} |
| 133 |
else if (c == KEY_TIMEOUT || c == KEY_NULL) // timeout or broken pipe |
else if (c == KEY_TIMEOUT || c == KEY_NULL) // timeout or broken pipe |
| 167 |
{ |
{ |
| 168 |
if (!hz && offset + 2 > buf_size - 1) // No enough space for Chinese character |
if (!hz && offset + 2 > buf_size - 1) // No enough space for Chinese character |
| 169 |
{ |
{ |
| 170 |
igetch(1); // Cleanup remaining input |
igetch(0); // Ignore 1 character |
| 171 |
outc('\a'); |
outc('\a'); |
| 172 |
iflush(); |
iflush(); |
| 173 |
continue; |
continue; |
| 221 |
{ |
{ |
| 222 |
int len; |
int len; |
| 223 |
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igetch(1); // Cleanup input buffer |
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| 224 |
moveto(row, col); |
moveto(row, col); |
| 225 |
prints(prompt); |
prints(prompt); |
| 226 |
prints(buffer); |
prints(buffer); |
| 231 |
return len; |
return len; |
| 232 |
} |
} |
| 233 |
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int display_file(const char *filename) |
|
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{ |
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char buffer[LINE_BUFFER_LEN]; |
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FILE *fin; |
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size_t i; |
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if ((fin = fopen(filename, "r")) == NULL) |
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{ |
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return -1; |
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} |
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while (fgets(buffer, sizeof(buffer) - 1, fin)) |
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{ |
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i = strnlen(buffer, sizeof(buffer) - 1); |
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if (buffer[i - 1] == '\n' && buffer[i - 2] != '\r') |
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{ |
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buffer[i - 1] = '\r'; |
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buffer[i] = '\n'; |
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buffer[i + 1] = '\0'; |
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} |
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prints(buffer); |
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iflush(); |
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} |
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fclose(fin); |
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return 0; |
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} |
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| 234 |
int display_file_ex(const char *filename, int begin_line, int wait) |
int display_file_ex(const char *filename, int begin_line, int wait) |
| 235 |
{ |
{ |
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static int show_help = 1; |
static int show_help = 1; |
| 237 |
char buffer[LINE_BUFFER_LEN]; |
char buffer[LINE_BUFFER_LEN]; |
| 238 |
int ch = 0; |
int ch = KEY_NULL; |
| 239 |
int input_ok, line, max_lines; |
int input_ok, line, max_lines; |
| 240 |
long int c_line_current = 0; |
long int line_current = 0; |
| 241 |
long int c_line_total = 0; |
const void *p_shm; |
| 242 |
FILE *fin; |
size_t data_len; |
| 243 |
long *p_line_offsets; |
long line_total; |
| 244 |
|
const void *p_data; |
| 245 |
|
const long *p_line_offsets; |
| 246 |
long int len; |
long int len; |
| 247 |
long int percentile; |
long int percentile; |
| 248 |
int loop = 1; |
int loop; |
| 249 |
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|
| 250 |
if ((fin = fopen(filename, "r")) == NULL) |
if ((p_shm = get_file_shm_readonly(filename, &data_len, &line_total, &p_data, &p_line_offsets)) == NULL) |
| 251 |
{ |
{ |
| 252 |
log_error("Unable to open file %s\n", filename); |
log_error("get_file_shm(%s) error\n", filename); |
| 253 |
return -1; |
return KEY_NULL; |
| 254 |
} |
} |
| 255 |
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|
| 256 |
p_line_offsets = (long *)malloc(sizeof(long) * MAX_FILE_LINES); |
clrline(begin_line, SCREEN_ROWS); |
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c_line_total = split_file_lines(fin, screen_cols, p_line_offsets, MAX_FILE_LINES); |
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clrline(begin_line, screen_rows); |
|
| 257 |
line = begin_line; |
line = begin_line; |
| 258 |
max_lines = screen_rows - 1; |
max_lines = SCREEN_ROWS - 1; |
| 259 |
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|
| 260 |
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loop = 1; |
| 261 |
while (!SYS_server_exit && loop) |
while (!SYS_server_exit && loop) |
| 262 |
{ |
{ |
| 263 |
if (c_line_current >= c_line_total && c_line_total <= screen_rows - 2) |
if (line_current >= line_total && line_total <= SCREEN_ROWS - 2) |
| 264 |
{ |
{ |
| 265 |
if (wait) |
if (wait) |
| 266 |
{ |
{ |
| 275 |
break; |
break; |
| 276 |
} |
} |
| 277 |
|
|
| 278 |
if (c_line_current >= c_line_total || line >= max_lines) |
if (line_current >= line_total || line >= max_lines) |
| 279 |
{ |
{ |
| 280 |
if (c_line_current - (line - 1) + (screen_rows - 2) < c_line_total) |
if (line_current - (line - 1) + (SCREEN_ROWS - 2) < line_total) |
| 281 |
{ |
{ |
| 282 |
percentile = (c_line_current - (line - 1) + (screen_rows - 2)) * 100 / c_line_total; |
percentile = (line_current - (line - 1) + (SCREEN_ROWS - 2)) * 100 / line_total; |
| 283 |
} |
} |
| 284 |
else |
else |
| 285 |
{ |
{ |
| 286 |
percentile = 100; |
percentile = 100; |
| 287 |
} |
} |
| 288 |
|
|
| 289 |
moveto(screen_rows, 0); |
moveto(SCREEN_ROWS, 0); |
| 290 |
prints("\033[1;44;32m%s (%d%%)%s\033[33m │ 结束 ← <q> │ ↑/↓/PgUp/PgDn 移动 │ ? 辅助说明 │ \033[m", |
prints("\033[1;44;32m%s (%d%%)%s\033[33m │ 结束 ← <q> │ ↑/↓/PgUp/PgDn 移动 │ ? 辅助说明 │ \033[m", |
| 291 |
(percentile < 100 ? "下面还有喔" : "没有更多了"), percentile, |
(percentile < 100 ? "下面还有喔" : "没有更多了"), percentile, |
| 292 |
(percentile < 10 ? " " : (percentile < 100 ? " " : ""))); |
(percentile < 10 ? " " : (percentile < 100 ? " " : ""))); |
| 299 |
input_ok = 1; |
input_ok = 1; |
| 300 |
switch (ch) |
switch (ch) |
| 301 |
{ |
{ |
| 302 |
|
case KEY_NULL: |
| 303 |
case KEY_TIMEOUT: |
case KEY_TIMEOUT: |
| 304 |
goto cleanup; |
goto cleanup; |
| 305 |
|
case KEY_HOME: |
| 306 |
|
line_current = 0; |
| 307 |
|
line = begin_line; |
| 308 |
|
max_lines = SCREEN_ROWS - 1; |
| 309 |
|
clrline(begin_line, SCREEN_ROWS); |
| 310 |
|
break; |
| 311 |
|
case KEY_END: |
| 312 |
|
line_current = line_total - (SCREEN_ROWS - 2); |
| 313 |
|
line = begin_line; |
| 314 |
|
max_lines = SCREEN_ROWS - 1; |
| 315 |
|
clrline(begin_line, SCREEN_ROWS); |
| 316 |
|
break; |
| 317 |
case KEY_UP: |
case KEY_UP: |
| 318 |
if (c_line_current - line < 0) // Reach top |
if (line_current - line < 0) // Reach top |
| 319 |
{ |
{ |
| 320 |
break; |
break; |
| 321 |
} |
} |
| 322 |
c_line_current -= line; |
line_current -= line; |
| 323 |
line = begin_line; |
line = begin_line; |
| 324 |
// max_lines = begin_line + 1; |
// max_lines = begin_line + 1; |
| 325 |
// prints("\033[T"); // Scroll down 1 line |
// prints("\033[T"); // Scroll down 1 line |
| 326 |
max_lines = screen_rows - 1; // Legacy Fterm only works with this line |
max_lines = SCREEN_ROWS - 1; // Legacy Fterm only works with this line |
| 327 |
break; |
break; |
|
case KEY_DOWN: |
|
| 328 |
case CR: |
case CR: |
| 329 |
if (c_line_current + ((screen_rows - 2) - (line - 1)) >= c_line_total) // Reach bottom |
igetch_reset(); |
| 330 |
|
case KEY_DOWN: |
| 331 |
|
if (line_current + ((SCREEN_ROWS - 2) - (line - 1)) >= line_total) // Reach bottom |
| 332 |
{ |
{ |
| 333 |
break; |
break; |
| 334 |
} |
} |
| 335 |
c_line_current += ((screen_rows - 2) - (line - 1)); |
line_current += ((SCREEN_ROWS - 2) - (line - 1)); |
| 336 |
line = screen_rows - 2; |
line = SCREEN_ROWS - 2; |
| 337 |
max_lines = screen_rows - 1; |
max_lines = SCREEN_ROWS - 1; |
| 338 |
moveto(screen_rows, 0); |
moveto(SCREEN_ROWS, 0); |
| 339 |
clrtoeol(); |
clrtoeol(); |
| 340 |
prints("\033[S"); // Scroll up 1 line |
prints("\033[S"); // Scroll up 1 line |
| 341 |
break; |
break; |
| 342 |
case KEY_PGUP: |
case KEY_PGUP: |
| 343 |
case Ctrl('B'): |
case Ctrl('B'): |
| 344 |
if (c_line_current - line < 0) // Reach top |
if (line_current - line < 0) // Reach top |
| 345 |
{ |
{ |
| 346 |
break; |
break; |
| 347 |
} |
} |
| 348 |
c_line_current -= ((screen_rows - 3) + (line - 1)); |
line_current -= ((SCREEN_ROWS - 3) + (line - 1)); |
| 349 |
if (c_line_current < 0) |
if (line_current < 0) |
| 350 |
{ |
{ |
| 351 |
c_line_current = 0; |
line_current = 0; |
| 352 |
} |
} |
| 353 |
line = begin_line; |
line = begin_line; |
| 354 |
max_lines = screen_rows - 1; |
max_lines = SCREEN_ROWS - 1; |
| 355 |
clrline(begin_line, screen_rows); |
clrline(begin_line, SCREEN_ROWS); |
| 356 |
break; |
break; |
| 357 |
case KEY_RIGHT: |
case KEY_RIGHT: |
| 358 |
case KEY_PGDN: |
case KEY_PGDN: |
| 359 |
case Ctrl('F'): |
case Ctrl('F'): |
| 360 |
case KEY_SPACE: |
case KEY_SPACE: |
| 361 |
if (c_line_current + (screen_rows - 2) - (line - 1) >= c_line_total) // Reach bottom |
if (line_current + (SCREEN_ROWS - 2) - (line - 1) >= line_total) // Reach bottom |
| 362 |
{ |
{ |
| 363 |
break; |
break; |
| 364 |
} |
} |
| 365 |
c_line_current += (screen_rows - 3) - (line - 1); |
line_current += (SCREEN_ROWS - 3) - (line - 1); |
| 366 |
if (c_line_current + screen_rows - 2 > c_line_total) // No enough lines to display |
if (line_current + SCREEN_ROWS - 2 > line_total) // No enough lines to display |
| 367 |
{ |
{ |
| 368 |
c_line_current = c_line_total - (screen_rows - 2); |
line_current = line_total - (SCREEN_ROWS - 2); |
| 369 |
} |
} |
| 370 |
line = begin_line; |
line = begin_line; |
| 371 |
max_lines = screen_rows - 1; |
max_lines = SCREEN_ROWS - 1; |
| 372 |
clrline(begin_line, screen_rows); |
clrline(begin_line, SCREEN_ROWS); |
| 373 |
break; |
break; |
| 374 |
|
case KEY_ESC: |
| 375 |
case KEY_LEFT: |
case KEY_LEFT: |
| 376 |
case 'q': |
case 'q': |
| 377 |
case 'Q': |
case 'Q': |
| 391 |
show_help = 1; |
show_help = 1; |
| 392 |
|
|
| 393 |
// Refresh after display help information |
// Refresh after display help information |
| 394 |
c_line_current -= (line - 1); |
line_current -= (line - 1); |
| 395 |
line = begin_line; |
line = begin_line; |
| 396 |
max_lines = screen_rows - 1; |
max_lines = SCREEN_ROWS - 1; |
| 397 |
clrline(begin_line, screen_rows); |
clrline(begin_line, SCREEN_ROWS); |
| 398 |
break; |
break; |
| 399 |
default: |
default: |
| 400 |
input_ok = 0; |
input_ok = 0; |
| 407 |
continue; |
continue; |
| 408 |
} |
} |
| 409 |
|
|
| 410 |
fseek(fin, p_line_offsets[c_line_current], SEEK_SET); |
len = p_line_offsets[line_current + 1] - p_line_offsets[line_current]; |
|
len = p_line_offsets[c_line_current + 1] - p_line_offsets[c_line_current]; |
|
| 411 |
if (len >= LINE_BUFFER_LEN) |
if (len >= LINE_BUFFER_LEN) |
| 412 |
{ |
{ |
| 413 |
log_error("Error length exceeds buffer size: %d\n", len); |
log_error("buffer overflow: len=%ld(%ld - %ld) line=%ld \n", |
| 414 |
|
len, p_line_offsets[line_current + 1], p_line_offsets[line_current], line_current); |
| 415 |
len = LINE_BUFFER_LEN - 1; |
len = LINE_BUFFER_LEN - 1; |
| 416 |
} |
} |
| 417 |
if (fgets(buffer, (int)len + 1, fin) == NULL) |
|
| 418 |
{ |
memcpy(buffer, (const char *)p_data + p_line_offsets[line_current], (size_t)len); |
| 419 |
log_error("Reach EOF\n"); |
buffer[len] = '\0'; |
| 420 |
break; |
|
|
} |
|
| 421 |
moveto(line, 0); |
moveto(line, 0); |
| 422 |
clrtoeol(); |
clrtoeol(); |
| 423 |
prints("%s", buffer); |
prints("%s", buffer); |
| 424 |
c_line_current++; |
line_current++; |
| 425 |
line++; |
line++; |
| 426 |
} |
} |
| 427 |
|
|
| 428 |
cleanup: |
cleanup: |
| 429 |
free(p_line_offsets); |
if (detach_file_shm(p_shm) < 0) |
| 430 |
fclose(fin); |
{ |
| 431 |
|
log_error("detach_file_shm(%s) error\n", filename); |
| 432 |
|
} |
| 433 |
|
|
| 434 |
return ch; |
return ch; |
| 435 |
} |
} |
| 436 |
|
|
| 437 |
int show_top(char *status) |
int show_top(const char *str_left, const char *str_middle, const char *str_right) |
| 438 |
{ |
{ |
| 439 |
int end_of_line; |
char str_left_f[STR_TOP_LEFT_MAX_LEN + 1]; |
| 440 |
int display_len; |
char str_middle_f[STR_TOP_MIDDLE_MAX_LEN + 1]; |
| 441 |
unsigned int len; |
char str_right_f[STR_TOP_RIGHT_MAX_LEN + 1]; |
| 442 |
|
int str_left_len; |
| 443 |
char space1[LINE_BUFFER_LEN]; |
int str_middle_len; |
| 444 |
char space2[LINE_BUFFER_LEN]; |
int str_right_len; |
| 445 |
|
int eol; |
| 446 |
len = split_line(status, 20, &end_of_line, &display_len); |
int len; |
|
if (end_of_line) |
|
|
{ |
|
|
status[len] = '\0'; |
|
|
} |
|
|
str_space(space1, 31 - display_len); |
|
| 447 |
|
|
| 448 |
len = split_line(BBS_current_section_name, 20, &end_of_line, &display_len); |
strncpy(str_left_f, str_left, sizeof(str_left_f) - 1); |
| 449 |
if (end_of_line) |
str_left_f[sizeof(str_left_f) - 1] = '\0'; |
| 450 |
{ |
len = split_line(str_left_f, STR_TOP_LEFT_MAX_LEN, &eol, &str_left_len); |
| 451 |
status[len] = '\0'; |
str_left_f[len] = '\0'; |
| 452 |
} |
|
| 453 |
str_space(space2, 30 - display_len); |
strncpy(str_middle_f, str_middle, sizeof(str_middle_f) - 1); |
| 454 |
|
str_middle_f[sizeof(str_middle_f) - 1] = '\0'; |
| 455 |
|
len = split_line(str_middle, STR_TOP_MIDDLE_MAX_LEN, &eol, &str_middle_len); |
| 456 |
|
str_middle_f[len] = '\0'; |
| 457 |
|
|
| 458 |
|
strncpy(str_right_f, str_right, sizeof(str_right_f) - 1); |
| 459 |
|
str_right_f[sizeof(str_right_f) - 1] = '\0'; |
| 460 |
|
len = split_line(str_right, STR_TOP_RIGHT_MAX_LEN, &eol, &str_right_len); |
| 461 |
|
str_right_f[len] = '\0'; |
| 462 |
|
|
| 463 |
moveto(1, 0); |
moveto(1, 0); |
| 464 |
clrtoeol(); |
clrtoeol(); |
| 465 |
prints("\033[1;44;33m%s \033[37m%s%s%s\033[33m 讨论区 [%s]\033[m", |
prints("\033[1;44;33m%s\033[37m%*s\033[33m%*s\033[m", |
| 466 |
status, space1, BBS_name, space2, BBS_current_section_name); |
str_left_f, 44 - str_left_len, str_middle_f, 36, str_right_f); |
|
iflush(); |
|
| 467 |
|
|
| 468 |
return 0; |
return 0; |
| 469 |
} |
} |
| 470 |
|
|
| 471 |
int show_bottom(char *msg) |
int show_bottom(const char *msg) |
| 472 |
{ |
{ |
| 473 |
char str_time[LINE_BUFFER_LEN]; |
char str_time[LINE_BUFFER_LEN]; |
|
char space[LINE_BUFFER_LEN]; |
|
| 474 |
time_t time_online; |
time_t time_online; |
| 475 |
struct tm *tm_online; |
struct tm *tm_online; |
| 476 |
|
char msg_f[LINE_BUFFER_LEN]; |
| 477 |
|
int eol; |
| 478 |
|
int msg_len; |
| 479 |
|
int len; |
| 480 |
|
int len_username; |
| 481 |
|
|
| 482 |
get_time_str(str_time, sizeof(str_time)); |
get_time_str(str_time, sizeof(str_time)); |
| 483 |
str_space(space, 34 - (int)strnlen(BBS_username, sizeof(BBS_username))); |
|
| 484 |
|
msg_f[0] = '\0'; |
| 485 |
|
msg_len = 0; |
| 486 |
|
if (msg != NULL) |
| 487 |
|
{ |
| 488 |
|
strncpy(msg_f, msg, sizeof(msg_f) - 1); |
| 489 |
|
msg_f[sizeof(msg_f) - 1] = '\0'; |
| 490 |
|
len = split_line(msg_f, 23, &eol, &msg_len); |
| 491 |
|
msg_f[len] = '\0'; |
| 492 |
|
} |
| 493 |
|
|
| 494 |
|
len_username = (int)strnlen(BBS_username, sizeof(BBS_username)); |
| 495 |
|
|
| 496 |
time_online = time(0) - BBS_login_tm; |
time_online = time(0) - BBS_login_tm; |
| 497 |
tm_online = gmtime(&time_online); |
tm_online = gmtime(&time_online); |
| 498 |
|
|
| 499 |
moveto(screen_rows, 0); |
moveto(SCREEN_ROWS, 0); |
| 500 |
clrtoeol(); |
clrtoeol(); |
| 501 |
prints("\033[1;44;33m[\033[36m%s\033[33m]%s帐号[\033[36m%s\033[33m]" |
prints("\033[1;44;33m时间[\033[36m%s\033[33m]%s%*s \033[33m帐号[\033[36m%s\033[33m]" |
| 502 |
"[\033[36m%1d\033[33m:\033[36m%2d\033[33m:\033[36m%2d\033[33m]\033[m", |
"[\033[36m%1d\033[33m天\033[36m%2d\033[33m时\033[36m%2d\033[33m分]\033[m", |
| 503 |
str_time, space, BBS_username, tm_online->tm_mday - 1, |
str_time, msg_f, 35 - msg_len - len_username, "", BBS_username, |
| 504 |
tm_online->tm_hour, tm_online->tm_min); |
tm_online->tm_mday - 1, tm_online->tm_hour, tm_online->tm_min); |
|
iflush(); |
|
| 505 |
|
|
| 506 |
return 0; |
return 0; |
| 507 |
} |
} |
| 508 |
|
|
| 509 |
int show_active_board() |
int show_active_board() |
| 510 |
{ |
{ |
| 511 |
char filename[FILE_PATH_LEN]; |
static int line_current = 0; |
| 512 |
char buffer[LINE_BUFFER_LEN]; |
static const void *p_shm = NULL; |
| 513 |
FILE *fin; |
static size_t data_len; |
| 514 |
static int line; |
static long line_total; |
| 515 |
unsigned int len; |
static const void *p_data; |
| 516 |
int end_of_line; |
static const long *p_line_offsets; |
|
int display_len; |
|
| 517 |
|
|
| 518 |
clrline(3, 2 + ACTIVE_BOARD_HEIGHT); |
static time_t t_last_show = 0; |
| 519 |
|
static int line_last = 0; |
| 520 |
|
|
| 521 |
if ((fin = fopen(DATA_ACTIVE_BOARD, "r")) == NULL) |
char buffer[LINE_BUFFER_LEN]; |
| 522 |
{ |
long int len; |
|
log_error("Unable to open file %s\n", filename); |
|
|
return -1; |
|
|
} |
|
| 523 |
|
|
| 524 |
for (int i = 0; i < line; i++) |
if (p_shm == NULL) |
| 525 |
{ |
{ |
| 526 |
if (fgets(buffer, sizeof(buffer), fin) == NULL) |
if ((p_shm = get_file_shm_readonly(DATA_ACTIVE_BOARD, &data_len, &line_total, &p_data, &p_line_offsets)) == NULL) |
| 527 |
{ |
{ |
| 528 |
line = 0; |
log_error("get_file_shm(%s) error\n", DATA_ACTIVE_BOARD); |
| 529 |
rewind(fin); |
return KEY_NULL; |
|
break; |
|
| 530 |
} |
} |
| 531 |
} |
} |
| 532 |
|
|
| 533 |
|
if (time(0) - t_last_show >= 10) |
| 534 |
|
{ |
| 535 |
|
line_last = line_current; |
| 536 |
|
t_last_show = time(0); |
| 537 |
|
} |
| 538 |
|
else |
| 539 |
|
{ |
| 540 |
|
line_current = line_last; |
| 541 |
|
} |
| 542 |
|
|
| 543 |
|
clrline(2, 2 + ACTIVE_BOARD_HEIGHT); |
| 544 |
|
|
| 545 |
for (int i = 0; i < ACTIVE_BOARD_HEIGHT; i++) |
for (int i = 0; i < ACTIVE_BOARD_HEIGHT; i++) |
| 546 |
{ |
{ |
| 547 |
if (fgets(buffer, sizeof(buffer), fin) == NULL) |
len = p_line_offsets[line_current + 1] - p_line_offsets[line_current]; |
| 548 |
|
if (len >= LINE_BUFFER_LEN) |
| 549 |
{ |
{ |
| 550 |
line = 0; |
log_error("buffer overflow: len=%ld(%ld - %ld) line=%ld \n", |
| 551 |
break; |
len, p_line_offsets[line_current + 1], p_line_offsets[line_current], line_current); |
| 552 |
|
len = LINE_BUFFER_LEN - 1; |
| 553 |
} |
} |
| 554 |
line++; |
|
| 555 |
len = split_line(buffer, screen_cols, &end_of_line, &display_len); |
memcpy(buffer, (const char *)p_data + p_line_offsets[line_current], (size_t)len); |
| 556 |
buffer[len] = '\0'; // Truncate over-length line |
buffer[len] = '\0'; |
| 557 |
|
|
| 558 |
moveto(3 + i, 0); |
moveto(3 + i, 0); |
| 559 |
prints("%s", buffer); |
prints("%s", buffer); |
|
} |
|
|
iflush(); |
|
| 560 |
|
|
| 561 |
fclose(fin); |
line_current++; |
| 562 |
|
if (line_current >= line_total) |
| 563 |
|
{ |
| 564 |
|
line_current = 0; |
| 565 |
|
break; |
| 566 |
|
} |
| 567 |
|
} |
| 568 |
|
|
| 569 |
return 0; |
return 0; |
| 570 |
} |
} |