| 22 |
#include "io.h" |
#include "io.h" |
| 23 |
#include "file_loader.h" |
#include "file_loader.h" |
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#include <fcntl.h> |
#include <fcntl.h> |
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#include <string.h> |
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| 25 |
#include <ctype.h> |
#include <ctype.h> |
| 26 |
#include <unistd.h> |
#include <unistd.h> |
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#include <stdlib.h> |
#include <stdlib.h> |
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#include <sys/param.h> |
#include <sys/param.h> |
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#include <sys/shm.h> |
#include <sys/shm.h> |
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| 34 |
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#define _POSIX_C_SOURCE 200809L |
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#include <string.h> |
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| 37 |
#define ACTIVE_BOARD_HEIGHT 8 |
#define ACTIVE_BOARD_HEIGHT 8 |
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| 39 |
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#define STR_TOP_LEFT_MAX_LEN 40 |
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#define STR_TOP_MIDDLE_MAX_LEN 20 |
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#define STR_TOP_RIGHT_MAX_LEN 20 |
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| 43 |
void moveto(int row, int col) |
void moveto(int row, int col) |
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{ |
{ |
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if (row >= 0) |
if (row >= 0) |
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void clrtoeol() |
void clrtoeol() |
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{ |
{ |
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prints("\033[K"); |
prints(CTRL_SEQ_CLR_LINE); |
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} |
} |
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| 60 |
void clrline(int line_begin, int line_end) |
void clrline(int line_begin, int line_end) |
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for (i = line_begin; i <= line_end; i++) |
for (i = line_begin; i <= line_end; i++) |
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{ |
{ |
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moveto(i, 0); |
moveto(i, 0); |
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prints("\033[K"); |
prints(CTRL_SEQ_CLR_LINE); |
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} |
} |
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} |
} |
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int ch = KEY_NULL; |
int ch = KEY_NULL; |
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int input_ok, line, max_lines; |
int input_ok, line, max_lines; |
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long int line_current = 0; |
long int line_current = 0; |
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const void *p_file_shm; |
const void *p_shm; |
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const void *p_data; |
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size_t data_len; |
size_t data_len; |
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long line_total; |
long line_total; |
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const void *p_data; |
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const long *p_line_offsets; |
const long *p_line_offsets; |
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long int len; |
long int len; |
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long int percentile; |
long int percentile; |
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int loop; |
int loop; |
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| 250 |
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) |
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{ |
{ |
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log_error("get_file_shm(%s) error\n", filename); |
log_error("get_file_shm(%s) error\n", filename); |
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return KEY_NULL; |
return KEY_NULL; |
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} |
} |
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data_len = *((size_t *)p_file_shm); |
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line_total = *((long *)(p_file_shm + sizeof(size_t))); |
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p_data = p_file_shm + sizeof(data_len) + sizeof(line_total); |
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p_line_offsets = p_data + data_len + 1; |
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clrline(begin_line, SCREEN_ROWS); |
clrline(begin_line, SCREEN_ROWS); |
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line = begin_line; |
line = begin_line; |
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max_lines = SCREEN_ROWS - 1; |
max_lines = SCREEN_ROWS - 1; |
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clrline(begin_line, SCREEN_ROWS); |
clrline(begin_line, SCREEN_ROWS); |
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break; |
break; |
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default: |
default: |
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log_std("Input: %d\n", ch); |
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input_ok = 0; |
input_ok = 0; |
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break; |
break; |
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} |
} |
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len = p_line_offsets[line_current + 1] - p_line_offsets[line_current]; |
len = p_line_offsets[line_current + 1] - p_line_offsets[line_current]; |
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if (len >= LINE_BUFFER_LEN) |
if (len >= LINE_BUFFER_LEN) |
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{ |
{ |
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log_error("Error length exceeds buffer size: %d\n", len); |
log_error("buffer overflow: len=%ld(%ld - %ld) line=%ld \n", |
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len, p_line_offsets[line_current + 1], p_line_offsets[line_current], line_current); |
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len = LINE_BUFFER_LEN - 1; |
len = LINE_BUFFER_LEN - 1; |
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} |
} |
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} |
} |
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cleanup: |
cleanup: |
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if (shmdt(p_file_shm) == -1) |
if (detach_file_shm(p_shm) < 0) |
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{ |
{ |
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log_error("shmdt() error (%d)\n", errno); |
log_error("detach_file_shm(%s) error\n", filename); |
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} |
} |
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return ch; |
return ch; |
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} |
} |
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int show_top(char *status) |
int show_top(const char *str_left, const char *str_middle, const char *str_right) |
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{ |
{ |
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int truncate; |
char str_left_f[STR_TOP_LEFT_MAX_LEN + 1]; |
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int status_len; |
char str_middle_f[STR_TOP_MIDDLE_MAX_LEN + 1]; |
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int section_name_len; |
char str_right_f[STR_TOP_RIGHT_MAX_LEN + 1]; |
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int str_left_len; |
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int str_middle_len; |
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int str_right_len; |
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int eol; |
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int len; |
int len; |
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len = split_line(status, 20, &truncate, &status_len); |
strncpy(str_left_f, str_left, sizeof(str_left_f) - 1); |
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if (truncate) |
str_left_f[sizeof(str_left_f) - 1] = '\0'; |
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{ |
len = split_line(str_left_f, STR_TOP_LEFT_MAX_LEN, &eol, &str_left_len); |
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status[len] = '\0'; |
str_left_f[len] = '\0'; |
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} |
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strncpy(str_middle_f, str_middle, sizeof(str_middle_f) - 1); |
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len = split_line(BBS_current_section_name, 20, &truncate, §ion_name_len); |
str_middle_f[sizeof(str_middle_f) - 1] = '\0'; |
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if (truncate) |
len = split_line(str_middle, STR_TOP_MIDDLE_MAX_LEN, &eol, &str_middle_len); |
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{ |
str_middle_f[len] = '\0'; |
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status[len] = '\0'; |
|
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} |
strncpy(str_right_f, str_right, sizeof(str_right_f) - 1); |
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str_right_f[sizeof(str_right_f) - 1] = '\0'; |
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len = split_line(str_right, STR_TOP_RIGHT_MAX_LEN, &eol, &str_right_len); |
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str_right_f[len] = '\0'; |
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moveto(1, 0); |
moveto(1, 0); |
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clrtoeol(); |
clrtoeol(); |
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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\033[33m%*s\033[m", |
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status, (39 - status_len), BBS_name, (30 - section_name_len), "", BBS_current_section_name); |
str_left_f, 44 - str_left_len, str_middle_f, 36, str_right_f); |
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iflush(); |
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return 0; |
return 0; |
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} |
} |
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int show_bottom(char *msg) |
int show_bottom(const char *msg) |
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{ |
{ |
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char str_time[LINE_BUFFER_LEN]; |
char str_time[LINE_BUFFER_LEN]; |
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char space[LINE_BUFFER_LEN]; |
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time_t time_online; |
time_t time_online; |
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struct tm *tm_online; |
struct tm *tm_online; |
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char msg_f[21]; |
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int eol; |
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int msg_len; |
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int len; |
| 479 |
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int len_username; |
| 480 |
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get_time_str(str_time, sizeof(str_time)); |
get_time_str(str_time, sizeof(str_time)); |
| 482 |
str_space(space, 34 - (int)strnlen(BBS_username, sizeof(BBS_username))); |
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strncpy(msg_f, msg, sizeof(msg_f) - 1); |
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msg_f[sizeof(msg_f) - 1] = '\0'; |
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len = split_line(msg_f, 20, &eol, &msg_len); |
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msg_f[len] = '\0'; |
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len_username = (int)strnlen(BBS_username, sizeof(BBS_username)); |
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time_online = time(0) - BBS_login_tm; |
time_online = time(0) - BBS_login_tm; |
| 492 |
tm_online = gmtime(&time_online); |
tm_online = gmtime(&time_online); |
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moveto(SCREEN_ROWS, 0); |
moveto(SCREEN_ROWS, 0); |
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clrtoeol(); |
clrtoeol(); |
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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]" |
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"[\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", |
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str_time, space, BBS_username, tm_online->tm_mday - 1, |
str_time, 21, msg_f, 9 - len_username, "", BBS_username, |
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tm_online->tm_hour, tm_online->tm_min); |
tm_online->tm_mday - 1, tm_online->tm_hour, tm_online->tm_min); |
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iflush(); |
|
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return 0; |
return 0; |
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} |
} |
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int show_active_board() |
int show_active_board() |
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{ |
{ |
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char filename[FILE_PATH_LEN]; |
static int line_current = 0; |
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char buffer[LINE_BUFFER_LEN]; |
static const void *p_shm = NULL; |
| 508 |
FILE *fin; |
static size_t data_len; |
| 509 |
static int line; |
static long line_total; |
| 510 |
int len; |
static const void *p_data; |
| 511 |
int end_of_line; |
static const long *p_line_offsets; |
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int display_len; |
|
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clrline(3, 2 + ACTIVE_BOARD_HEIGHT); |
static time_t t_last_show = 0; |
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static int line_last = 0; |
| 515 |
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if ((fin = fopen(DATA_ACTIVE_BOARD, "r")) == NULL) |
char buffer[LINE_BUFFER_LEN]; |
| 517 |
{ |
long int len; |
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log_error("Unable to open file %s\n", filename); |
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return -1; |
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} |
|
| 518 |
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|
| 519 |
for (int i = 0; i < line; i++) |
if (p_shm == NULL) |
| 520 |
{ |
{ |
| 521 |
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) |
| 522 |
{ |
{ |
| 523 |
line = 0; |
log_error("get_file_shm(%s) error\n", DATA_ACTIVE_BOARD); |
| 524 |
rewind(fin); |
return KEY_NULL; |
|
break; |
|
| 525 |
} |
} |
| 526 |
} |
} |
| 527 |
|
|
| 528 |
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if (time(0) - t_last_show >= 10) |
| 529 |
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{ |
| 530 |
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line_last = line_current; |
| 531 |
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t_last_show = time(0); |
| 532 |
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} |
| 533 |
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else |
| 534 |
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{ |
| 535 |
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line_current = line_last; |
| 536 |
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} |
| 537 |
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| 538 |
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clrline(2, 2 + ACTIVE_BOARD_HEIGHT); |
| 539 |
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|
| 540 |
for (int i = 0; i < ACTIVE_BOARD_HEIGHT; i++) |
for (int i = 0; i < ACTIVE_BOARD_HEIGHT; i++) |
| 541 |
{ |
{ |
| 542 |
if (fgets(buffer, sizeof(buffer), fin) == NULL) |
len = p_line_offsets[line_current + 1] - p_line_offsets[line_current]; |
| 543 |
|
if (len >= LINE_BUFFER_LEN) |
| 544 |
{ |
{ |
| 545 |
line = 0; |
log_error("buffer overflow: len=%ld(%ld - %ld) line=%ld \n", |
| 546 |
break; |
len, p_line_offsets[line_current + 1], p_line_offsets[line_current], line_current); |
| 547 |
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len = LINE_BUFFER_LEN - 1; |
| 548 |
} |
} |
| 549 |
line++; |
|
| 550 |
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); |
| 551 |
buffer[len] = '\0'; // Truncate over-length line |
buffer[len] = '\0'; |
| 552 |
|
|
| 553 |
moveto(3 + i, 0); |
moveto(3 + i, 0); |
| 554 |
prints("%s", buffer); |
prints("%s", buffer); |
|
} |
|
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iflush(); |
|
| 555 |
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|
| 556 |
fclose(fin); |
line_current++; |
| 557 |
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if (line_current >= line_total) |
| 558 |
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{ |
| 559 |
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line_current = 0; |
| 560 |
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break; |
| 561 |
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} |
| 562 |
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} |
| 563 |
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|
| 564 |
return 0; |
return 0; |
| 565 |
} |
} |