| 34 |
|
|
| 35 |
#define ACTIVE_BOARD_HEIGHT 8 |
#define ACTIVE_BOARD_HEIGHT 8 |
| 36 |
|
|
| 37 |
|
#define STR_TOP_LEFT_MAX_LEN 40 |
| 38 |
|
#define STR_TOP_CENTER_MAX_LEN 20 |
| 39 |
|
#define STR_TOP_RIGHT_MAX_LEN 20 |
| 40 |
|
|
| 41 |
void moveto(int row, int col) |
void moveto(int row, int col) |
| 42 |
{ |
{ |
| 43 |
if (row >= 0) |
if (row >= 0) |
| 52 |
|
|
| 53 |
void clrtoeol() |
void clrtoeol() |
| 54 |
{ |
{ |
| 55 |
prints("\033[K"); |
prints(CTRL_SEQ_CLR_LINE); |
| 56 |
} |
} |
| 57 |
|
|
| 58 |
void clrline(int line_begin, int line_end) |
void clrline(int line_begin, int line_end) |
| 62 |
for (i = line_begin; i <= line_end; i++) |
for (i = line_begin; i <= line_end; i++) |
| 63 |
{ |
{ |
| 64 |
moveto(i, 0); |
moveto(i, 0); |
| 65 |
prints("\033[K"); |
prints(CTRL_SEQ_CLR_LINE); |
| 66 |
} |
} |
| 67 |
} |
} |
| 68 |
|
|
| 236 |
int ch = KEY_NULL; |
int ch = KEY_NULL; |
| 237 |
int input_ok, line, max_lines; |
int input_ok, line, max_lines; |
| 238 |
long int line_current = 0; |
long int line_current = 0; |
| 239 |
const void *p_file_shm; |
const void *p_shm; |
|
const void *p_data; |
|
| 240 |
size_t data_len; |
size_t data_len; |
| 241 |
long line_total; |
long line_total; |
| 242 |
|
const void *p_data; |
| 243 |
const long *p_line_offsets; |
const long *p_line_offsets; |
| 244 |
long int len; |
long int len; |
| 245 |
long int percentile; |
long int percentile; |
| 246 |
int loop; |
int loop; |
| 247 |
|
|
| 248 |
if ((p_file_shm = get_file_shm(filename)) == NULL) |
if ((p_shm = get_file_shm_readonly(filename, &data_len, &line_total, &p_data, &p_line_offsets)) == NULL) |
| 249 |
{ |
{ |
| 250 |
log_error("get_file_shm(%s) error\n", filename); |
log_error("get_file_shm(%s) error\n", filename); |
| 251 |
return KEY_NULL; |
return KEY_NULL; |
| 252 |
} |
} |
| 253 |
|
|
|
data_len = *((size_t *)p_file_shm); |
|
|
line_total = *((long *)(p_file_shm + sizeof(size_t))); |
|
|
p_data = p_file_shm + sizeof(data_len) + sizeof(line_total); |
|
|
p_line_offsets = p_data + data_len + 1; |
|
|
|
|
| 254 |
clrline(begin_line, SCREEN_ROWS); |
clrline(begin_line, SCREEN_ROWS); |
| 255 |
line = begin_line; |
line = begin_line; |
| 256 |
max_lines = SCREEN_ROWS - 1; |
max_lines = SCREEN_ROWS - 1; |
| 297 |
input_ok = 1; |
input_ok = 1; |
| 298 |
switch (ch) |
switch (ch) |
| 299 |
{ |
{ |
| 300 |
//case KEY_NULL: |
case KEY_NULL: |
| 301 |
case KEY_TIMEOUT: |
case KEY_TIMEOUT: |
| 302 |
goto cleanup; |
goto cleanup; |
| 303 |
case KEY_HOME: |
case KEY_HOME: |
| 407 |
len = p_line_offsets[line_current + 1] - p_line_offsets[line_current]; |
len = p_line_offsets[line_current + 1] - p_line_offsets[line_current]; |
| 408 |
if (len >= LINE_BUFFER_LEN) |
if (len >= LINE_BUFFER_LEN) |
| 409 |
{ |
{ |
| 410 |
log_error("Error length exceeds buffer size: %d\n", len); |
log_error("buffer overflow: len=%ld(%ld - %ld) line=%ld \n", |
| 411 |
|
len, p_line_offsets[line_current + 1], p_line_offsets[line_current], line_current); |
| 412 |
len = LINE_BUFFER_LEN - 1; |
len = LINE_BUFFER_LEN - 1; |
| 413 |
} |
} |
| 414 |
|
|
| 423 |
} |
} |
| 424 |
|
|
| 425 |
cleanup: |
cleanup: |
| 426 |
if (shmdt(p_file_shm) == -1) |
if (detach_file_shm(p_shm) < 0) |
| 427 |
{ |
{ |
| 428 |
log_error("shmdt() error (%d)\n", errno); |
log_error("detach_file_shm(%s) error\n", filename); |
| 429 |
} |
} |
| 430 |
|
|
| 431 |
return ch; |
return ch; |
| 432 |
} |
} |
| 433 |
|
|
| 434 |
int show_top(const char *status) |
int show_top(const char *str_left, const char *str_center) |
| 435 |
{ |
{ |
| 436 |
int truncate; |
int truncate; |
| 437 |
int status_len; |
int str_left_len; |
| 438 |
int section_name_len; |
int str_center_len; |
| 439 |
|
int str_right_len; |
| 440 |
int len; |
int len; |
|
char status_f[21]; |
|
| 441 |
|
|
| 442 |
strncpy(status_f, status, sizeof(status_f) - 1); |
len = split_line(str_left, STR_TOP_LEFT_MAX_LEN, &truncate, &str_left_len); |
| 443 |
status_f[sizeof(status_f) - 1] = '\0'; |
if (truncate) |
| 444 |
|
{ |
| 445 |
|
log_error("Left string is truncated at len = %d\n", len); |
| 446 |
|
} |
| 447 |
|
|
| 448 |
len = split_line(status_f, 20, &truncate, &status_len); |
len = split_line(str_center, STR_TOP_CENTER_MAX_LEN, &truncate, &str_center_len); |
| 449 |
if (truncate) |
if (truncate) |
| 450 |
{ |
{ |
| 451 |
log_error("Status string is truncated\n"); |
log_error("Center string is truncated at len = %d\n", len); |
|
status_f[len] = '\0'; |
|
| 452 |
} |
} |
| 453 |
|
|
| 454 |
len = split_line(BBS_current_section_name, 20, &truncate, §ion_name_len); |
len = split_line(BBS_current_section_name, STR_TOP_RIGHT_MAX_LEN, &truncate, &str_right_len); |
| 455 |
if (truncate) |
if (truncate) |
| 456 |
{ |
{ |
| 457 |
log_error("Section name is truncated\n"); |
log_error("Section name is truncated at len = %d\n", len); |
| 458 |
} |
} |
| 459 |
|
|
| 460 |
moveto(1, 0); |
moveto(1, 0); |
| 461 |
clrtoeol(); |
clrtoeol(); |
| 462 |
prints("\033[1;44;33m%s \033[37m%*s%*s\033[33m 讨论区 [%s]\033[m", |
prints("\033[1;44;33m%s\033[37m%*s%*s\033[33m 讨论区 [%s]\033[m", |
| 463 |
status_f, (39 - status_len), BBS_name, (30 - section_name_len), "", BBS_current_section_name); |
str_left, 44 - str_left_len, str_center, 34 - str_center_len - str_right_len, "", BBS_current_section_name); |
|
iflush(); |
|
| 464 |
|
|
| 465 |
return 0; |
return 0; |
| 466 |
} |
} |
| 470 |
char str_time[LINE_BUFFER_LEN]; |
char str_time[LINE_BUFFER_LEN]; |
| 471 |
time_t time_online; |
time_t time_online; |
| 472 |
struct tm *tm_online; |
struct tm *tm_online; |
| 473 |
int len_username = (int)strnlen(BBS_username, sizeof(BBS_username)); |
char msg_f[21]; |
| 474 |
|
int truncate; |
| 475 |
|
int msg_len; |
| 476 |
|
int len; |
| 477 |
|
int len_username; |
| 478 |
|
|
| 479 |
get_time_str(str_time, sizeof(str_time)); |
get_time_str(str_time, sizeof(str_time)); |
| 480 |
|
|
| 481 |
|
strncpy(msg_f, msg, sizeof(msg_f) - 1); |
| 482 |
|
msg_f[sizeof(msg_f) - 1] = '\0'; |
| 483 |
|
|
| 484 |
|
len = split_line(msg_f, 20, &truncate, &msg_len); |
| 485 |
|
if (truncate) |
| 486 |
|
{ |
| 487 |
|
log_error("Status string is truncated\n"); |
| 488 |
|
msg_f[len] = '\0'; |
| 489 |
|
} |
| 490 |
|
|
| 491 |
|
len_username = (int)strnlen(BBS_username, sizeof(BBS_username)); |
| 492 |
|
|
| 493 |
time_online = time(0) - BBS_login_tm; |
time_online = time(0) - BBS_login_tm; |
| 494 |
tm_online = gmtime(&time_online); |
tm_online = gmtime(&time_online); |
| 495 |
|
|
| 496 |
moveto(SCREEN_ROWS, 0); |
moveto(SCREEN_ROWS, 0); |
| 497 |
clrtoeol(); |
clrtoeol(); |
| 498 |
prints("\033[1;44;33m[\033[36m%s\033[33m]%*s帐号[\033[36m%s\033[33m]" |
prints("\033[1;44;33m[\033[36m%s\033[33m]%*s%*s帐号[\033[36m%s\033[33m]" |
| 499 |
"[\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", |
| 500 |
str_time, 34 - len_username, "", BBS_username, |
str_time, 21, msg_f, 9 - len_username, "", BBS_username, |
| 501 |
tm_online->tm_mday - 1, tm_online->tm_hour, tm_online->tm_min); |
tm_online->tm_mday - 1, tm_online->tm_hour, tm_online->tm_min); |
|
iflush(); |
|
| 502 |
|
|
| 503 |
return 0; |
return 0; |
| 504 |
} |
} |
| 505 |
|
|
| 506 |
int show_active_board() |
int show_active_board() |
| 507 |
{ |
{ |
| 508 |
char filename[FILE_PATH_LEN]; |
static int line_current = 0; |
| 509 |
char buffer[LINE_BUFFER_LEN]; |
static const void *p_shm = NULL; |
| 510 |
FILE *fin; |
static size_t data_len; |
| 511 |
static int line; |
static long line_total; |
| 512 |
int len; |
static const void *p_data; |
| 513 |
int end_of_line; |
static const long *p_line_offsets; |
|
int display_len; |
|
| 514 |
|
|
| 515 |
clrline(3, 2 + ACTIVE_BOARD_HEIGHT); |
static time_t t_last_show = 0; |
| 516 |
|
static int line_last = 0; |
| 517 |
|
|
| 518 |
if ((fin = fopen(DATA_ACTIVE_BOARD, "r")) == NULL) |
char buffer[LINE_BUFFER_LEN]; |
| 519 |
{ |
long int len; |
|
log_error("Unable to open file %s\n", filename); |
|
|
return -1; |
|
|
} |
|
| 520 |
|
|
| 521 |
for (int i = 0; i < line; i++) |
if (p_shm == NULL) |
| 522 |
{ |
{ |
| 523 |
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) |
| 524 |
{ |
{ |
| 525 |
line = 0; |
log_error("get_file_shm(%s) error\n", DATA_ACTIVE_BOARD); |
| 526 |
rewind(fin); |
return KEY_NULL; |
|
break; |
|
| 527 |
} |
} |
| 528 |
} |
} |
| 529 |
|
|
| 530 |
|
if (time(0) - t_last_show >= 10) |
| 531 |
|
{ |
| 532 |
|
line_last = line_current; |
| 533 |
|
t_last_show = time(0); |
| 534 |
|
} |
| 535 |
|
else |
| 536 |
|
{ |
| 537 |
|
line_current = line_last; |
| 538 |
|
} |
| 539 |
|
|
| 540 |
|
clrline(2, 2 + ACTIVE_BOARD_HEIGHT); |
| 541 |
|
|
| 542 |
for (int i = 0; i < ACTIVE_BOARD_HEIGHT; i++) |
for (int i = 0; i < ACTIVE_BOARD_HEIGHT; i++) |
| 543 |
{ |
{ |
| 544 |
if (fgets(buffer, sizeof(buffer), fin) == NULL) |
len = p_line_offsets[line_current + 1] - p_line_offsets[line_current]; |
| 545 |
|
if (len >= LINE_BUFFER_LEN) |
| 546 |
{ |
{ |
| 547 |
line = 0; |
log_error("buffer overflow: len=%ld(%ld - %ld) line=%ld \n", |
| 548 |
break; |
len, p_line_offsets[line_current + 1], p_line_offsets[line_current], line_current); |
| 549 |
|
len = LINE_BUFFER_LEN - 1; |
| 550 |
} |
} |
| 551 |
line++; |
|
| 552 |
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); |
| 553 |
buffer[len] = '\0'; // Truncate over-length line |
buffer[len] = '\0'; |
| 554 |
|
|
| 555 |
moveto(3 + i, 0); |
moveto(3 + i, 0); |
| 556 |
prints("%s", buffer); |
prints("%s", buffer); |
|
} |
|
|
iflush(); |
|
| 557 |
|
|
| 558 |
fclose(fin); |
line_current++; |
| 559 |
|
if (line_current >= line_total) |
| 560 |
|
{ |
| 561 |
|
line_current = 0; |
| 562 |
|
break; |
| 563 |
|
} |
| 564 |
|
} |
| 565 |
|
|
| 566 |
return 0; |
return 0; |
| 567 |
} |
} |