add 3 modes of displaying

This commit is contained in:
Edward Emelianov 2023-11-23 12:40:33 +03:00
parent ac4694375e
commit 57235dccdd
7 changed files with 390 additions and 134 deletions

8
main.c
View File

@ -32,7 +32,7 @@ void signals(int signo){
closedev();
deinit_ncurses();
deinit_readline();
DBG("Exit");
DBG("Exit by signal %d", signo);
exit(signo);
}
@ -82,16 +82,16 @@ int main(int argc, char **argv){
while(1){
if(0 == pthread_mutex_lock(&conndev.mutex)){
int l;
char *buf = ReadData(&l);
uint8_t *buf = ReadData(&l);
if(buf && l > 0){
ShowData(buf);
AddData(buf, l);
}else if(l < 0){
pthread_mutex_unlock(&conndev.mutex);
ERRX("Device disconnected");
}
pthread_mutex_unlock(&conndev.mutex);
usleep(1000);
}
usleep(1000);
}
// never reached
return 0;

View File

@ -30,6 +30,8 @@
#include <stdlib.h>
#include <string.h>
//#include <signal.h>
#include "dbg.h"
#include "ttysocket.h"
#include "ncurses_and_readline.h"
@ -44,6 +46,7 @@ enum { // using colors
};
#define COLOR(x) COLOR_PAIR(x ## _NO)
// Keeps track of the terminal mode so we can reset the terminal if needed on errors
static bool visual_mode = false;
// insert commands when true; roll upper screen when false
@ -68,15 +71,33 @@ static WINDOW *msg_win; // Message window
static WINDOW *sep_win; // Separator line above the command (readline) window
static WINDOW *cmd_win; // Command (readline) window
// string list
typedef struct _Line{
int Nline;
char *contents;
struct _Line *prev, *next;
} Line;
// head of list, current item and first line on screen
Line *head = NULL, *curr = NULL, *firstline = NULL;
int nr_lines = 0; // total anount of data portions @ input
// amount of lines in line_arary
//#define LINEARRSZ (BUFSIZ/100)
#define LINEARRSZ 3
// formatted buffer initial size
#define FBUFSIZ 30
// raw buffer initial size
#define RBUFSIZ 30
// amount of spaces and delimeters in hexview string (address + 2 lines + 3 additional spaces)
#define HEXDSPACES (13)
// maximal columns in line
#define MAXCOLS (512)
typedef struct{
char *formatted_buffer; // formatted buffer, ptrtobuf(i) returns i'th string
size_t fbuf_size; // size of `formatted_buffer` in bytes (zero-terminated lines)
size_t fbuf_curr; // current size of data in buffer
size_t *line_array_idx; // indexes of starting symbols of each line in `formatted_buffer`
size_t lnarr_size; // full size of `line_array_idx`
size_t lnarr_curr; // current index in `line_array_idx` (last string)
size_t linelen; // max length of one line (excluding terminated 0)
size_t lastlen; // length of last string
} linebuf_t;
static linebuf_t *linebuffer = NULL; // string buffer for current representation
static uint8_t *raw_buffer = NULL; // raw buffer for incoming data
static size_t rawbufsz = 0, rawbufcur = 0; // full raw buffer size and current bytes amount
static size_t firstdisplineno = 0; // current first displayed line number (when scrolling)
static unsigned char input; // Input character for readline
@ -100,6 +121,23 @@ static void forward_to_readline(char c){
rl_callback_read_char();
}
/**
* @brief ptrtobuf - get n'th string of `formatted_buffer`
* @param lineno - line number
* @return pointer to n'th string in formatted buffer
*/
static char *ptrtobuf(size_t lineno){
if(!linebuffer->line_array_idx){
WARNX("line_array_idx not inited");
return NULL;
}
if(lineno > linebuffer->lnarr_curr) return NULL;
size_t idx = linebuffer->line_array_idx[lineno];
if(idx > linebuffer->fbuf_curr) return NULL;
return (linebuffer->formatted_buffer + idx);
}
#if 0
// functions to modify output data
static char *text_putchar(char *next){
char c = *next++;
@ -123,39 +161,36 @@ static char *hex_putchar(char *next){
waddch(msg_win, *next);
return next+1;
}
#endif
static void msg_win_redisplay(bool for_resize){
/**
* @brief msg_win_redisplay - redisplay message window
* @param group_refresh - true for grouping refresh (don't call doupdate())
*/
static void msg_win_redisplay(bool group_refresh){
if(!linebuffer) return;
werase(msg_win);
Line *l = firstline;
//static char *buf = NULL;
int nlines = 0; // total amount of lines @ output
int linemax = LINES - 2;
char *(*putfn)(char *);
switch(disp_type){
case DISP_RAW:
putfn = raw_putchar;
break;
case DISP_HEX:
putfn = hex_putchar;
break;
default:
putfn = text_putchar;
if(firstdisplineno >= linebuffer->lnarr_curr){
size_t l = (linemax > 1) ? linemax / 2 : 1;
if(linebuffer->lnarr_curr < l) firstdisplineno = 0;
else firstdisplineno = linebuffer->lnarr_curr - l;
}
for(; l && (nlines < linemax); l = l->next){
wmove(msg_win, nlines, 0);
//size_t contlen = strlen(l->contents) + 128;
//buf = realloc(buf, contlen);
char *ptr = l->contents;
while((ptr = putfn(ptr)) && *ptr && nlines < linemax){
nlines = msg_win->_cury;
}
++nlines;
size_t lastl = firstdisplineno + linemax;
if(lastl > linebuffer->lnarr_curr+1) lastl = linebuffer->lnarr_curr+1;
int i = 0;
for(size_t curline = firstdisplineno; curline < lastl; ++curline, ++i){
mvwprintw(msg_win, i, 0, "%s", linebuffer->formatted_buffer + linebuffer->line_array_idx[curline]);
}
if(for_resize) wnoutrefresh(msg_win);
if(group_refresh) wnoutrefresh(msg_win);
else wrefresh(msg_win);
}
static void cmd_win_redisplay(bool for_resize){
/**
* @brief cmd_win_redisplay - redisplay command (input) window
* @param group_refresh - true for grouping refresh (don't call doupdate())
*/
static void cmd_win_redisplay(bool group_refresh){
int cursor_col = 3 + strlen(dispnames[input_type]) + rl_point; // " > " width is 3
werase(cmd_win);
int x = 0, maxw = COLS-2;
@ -167,7 +202,7 @@ static void cmd_win_redisplay(bool for_resize){
snprintf(abuf, 4096, "%s > %s", dispnames[input_type], rl_line_buffer);
waddstr(cmd_win, abuf+x);
wmove(cmd_win, 0, cursor_col);
if(for_resize) wnoutrefresh(cmd_win);
if(group_refresh) wnoutrefresh(cmd_win);
else wrefresh(cmd_win);
keypad(cmd_win, TRUE);
if(insert_mode) curs_set(2);
@ -178,7 +213,11 @@ static void readline_redisplay(){
cmd_win_redisplay(false);
}
static void show_mode(bool for_resize){
/**
* @brief show_mode - redisplay middle string (with work mode and settings) + call cmd_win_redisplay
* @param group_refresh - true for grouping refresh (don't call doupdate())
*/
static void show_mode(bool group_refresh){
static const char *insmodetext = "INSERT (F1 - help)";
wclear(sep_win);
char buf[128];
@ -213,44 +252,231 @@ static void show_mode(bool for_resize){
wprintw(sep_win, "%s ", dispnames[disp_type]);
wattroff(sep_win, COLOR(BKGMARKED));
wprintw(sep_win, "%s", buf);
if(for_resize) wnoutrefresh(sep_win);
if(group_refresh) wnoutrefresh(sep_win);
else wrefresh(sep_win);
cmd_win_redisplay(for_resize);
cmd_win_redisplay(group_refresh);
}
/**
* @brief ShowData - show string on display
* @param text - text string
* @brief redisplay_addline - redisplay after line adding
* @param group_refresh - true for grouping refresh (don't call doupdate())
*/
void ShowData(const char *text){
if(!text) return;
if(!*text) text = " "; // empty string
Line *lp = malloc(sizeof(Line));
lp->contents = strdup(text);
lp->prev = curr;
lp->next = NULL;
lp->Nline = nr_lines++;
if(!curr || !head){
head = curr = firstline = lp;
}else
curr->next = lp;
curr = lp;
// roll back to show last input
if(curr->prev){
firstline = curr;
int totalln = (strlen(firstline->contents) - 1)/COLS + 1;
while(firstline->prev){
totalln += (strlen(firstline->prev->contents) - 1)/COLS + 1;
if(totalln > LINES-2) break;
firstline = firstline->prev;
}
static void redisplay_addline(){
// redisplay only if previous line was on screen
size_t lastno = firstdisplineno + LINES - 2; // number of first line out of screen
if(lastno < linebuffer->lnarr_curr){
return;
}
else if(lastno == linebuffer->lnarr_curr){ // scroll text by one line up
++firstdisplineno;
}
msg_win_redisplay(true);
show_mode(true);
doupdate();
}
/**
* @brief linebuf_free - clear memory of `linebuffer`
*/
static void linebuf_free(){
if(!linebuffer) return;
FREE(linebuffer->formatted_buffer);
FREE(linebuffer->line_array_idx);
FREE(linebuffer);
}
/**
* @brief chksizes - check sizes of buffers and enlarge them if need
*/
static void chksizes(){
size_t addportion = MAXCOLS*3;
if(rawbufsz - rawbufcur < addportion){ // raw buffer always should be big enough
rawbufsz += (addportion > RBUFSIZ) ? addportion : RBUFSIZ;
DBG("Enlarge raw buffer to %zd", rawbufsz);
raw_buffer = realloc(raw_buffer, rawbufsz);
}
if(linebuffer->fbuf_size - linebuffer->fbuf_curr < addportion){ // realloc buffer if need
linebuffer->fbuf_size += (addportion > FBUFSIZ) ? addportion : FBUFSIZ;
DBG("Enlarge formatted buffer to %zd", linebuffer->fbuf_size);
linebuffer->formatted_buffer = realloc(linebuffer->formatted_buffer, linebuffer->fbuf_size);
}
if(linebuffer->lnarr_size - linebuffer->lnarr_curr < 3){
linebuffer->lnarr_size += LINEARRSZ;
DBG("Enlarge line array buffer to %zd", linebuffer->lnarr_size);
linebuffer->line_array_idx = realloc(linebuffer->line_array_idx, linebuffer->lnarr_size * sizeof(size_t));
}
}
/**
* @brief linebuf_new - allocate data for new linebuffer
*/
static void linebuf_new(){
linebuf_free();
linebuffer = MALLOC(linebuf_t, 1);
linebuffer->fbuf_size = FBUFSIZ;
linebuffer->formatted_buffer = MALLOC(char, linebuffer->fbuf_size);
linebuffer->lnarr_size = LINEARRSZ;
linebuffer->line_array_idx = MALLOC(size_t, linebuffer->lnarr_size);
linebuffer->fbuf_curr = 0;
linebuffer->lnarr_curr = 0;
linebuffer->lastlen = 0;
int maxcols = (COLS > MAXCOLS) ? MAXCOLS : COLS;
// in hexdump view linelen is amount of symbols in one string, lastlen - amount of already printed symbols
if(disp_type == DISP_HEX){ // calculate minimal line width and ;
int n = maxcols - HEXDSPACES; // space for data
n -= n/8; // spaces after each 8 symbols
n /= 4; // hex XX + space + symbol view
// n should be 1..4, 8 or 16x
if(n < 1) n = 1; // minimal - one symbol per string
else if(n > 4){
if(n < 8) n = 4;
//else if(n < 16) n = 8;
else n -= n % 8;
}
linebuffer->linelen = n;
}else linebuffer->linelen = maxcols;
DBG("=====>> COLS=%d, maxcols=%d, linelen=%zd", COLS, maxcols, linebuffer->linelen);
linebuffer->line_array_idx[0] = 0; // initialize first line
chksizes();
}
/**
* @brief finalize_line - finalize last line in linebuffer & increase buffer sizes if nesessary
*/
static void finalize_line(){
chksizes();
linebuffer->formatted_buffer[linebuffer->fbuf_curr++] = 0; // finalize line
linebuffer->formatted_buffer[linebuffer->fbuf_curr] = 0; // and clear new line (`realloc` can generate some trash)
DBG("Current line is %s, no=%zd, len=%zd", linebuffer->formatted_buffer + linebuffer->line_array_idx[linebuffer->lnarr_curr], linebuffer->lnarr_curr, linebuffer->lastlen);
++linebuffer->lnarr_curr;
linebuffer->lastlen = 0;
linebuffer->line_array_idx[linebuffer->lnarr_curr] = linebuffer->fbuf_curr;
redisplay_addline();
}
/**
* @brief FormatData - get new data portion and format it into displayed buffer
* @param data - data start pointer in `raw_buffer`
* @param len - length of data portion
*/
void FormatData(const uint8_t *data, int len){
if(COLS > MAXCOLS-1) ERRX("Too wide column");
if(!data || len < 1) return;
chksizes();
DBG("Got %d bytes to process", len);
while(len){
// count amount of symbols in `data` to display until line is over
int Nsymbols = 0, curidx = 0;
int nrest = linebuffer->linelen - linebuffer->lastlen; // n symbols left in string for text/raw
switch(disp_type){
case DISP_TEXT: // 1 or 4 bytes per symbol
while(nrest > 0 && curidx < len){
uint8_t c = data[curidx++];
if(c == '\n'){ // finish string
++Nsymbols;
break;
}
if(c < 32 || c > 126) nrest -= 4; // "\xXX"
else --nrest;
if(nrest > -1) ++Nsymbols;
}
break;
case DISP_RAW: // 3 bytes per symbol
Nsymbols = nrest / 3;
break;
case DISP_HEX:
Nsymbols = nrest;
break;
default:
break;
}
if(Nsymbols > len) Nsymbols = len;
if(Nsymbols == 0){
DBG("No more plase in line - finalize");
finalize_line();
continue;
}
DBG("Process %d symbols", Nsymbols);
if(disp_type != DISP_HEX){
char *curptr = linebuffer->formatted_buffer+linebuffer->fbuf_curr;
for(int i = 0; i < Nsymbols; ++i){
uint8_t c = data[i];
int nadd = 0;
switch(disp_type){
case DISP_TEXT:
if(c == '\n'){ // finish line
DBG("Finish line, nadd=%d, i=%d!", nadd, i);
finalize_line();
break;
}
if(c < 32 || c > 126) nadd = sprintf(curptr, "\\x%.2X", c);
else{
nadd = 1;
*curptr = c;
}
break;
case DISP_RAW:
nadd = sprintf(curptr, "%-3.2X", c);
break;
default:
break;
}
linebuffer->fbuf_curr += nadd;
linebuffer->lastlen += nadd;
curptr += nadd;
}
}else{ // HEXDUMP: refill full string buffer
char ascii[MAXCOLS]; // buffer for ASCII printing
char *ptr = ptrtobuf(linebuffer->lnarr_curr);
if(!ptr) ERRX("Can't get current line");
size_t address = linebuffer->linelen * linebuffer->lnarr_curr; // string starting address
const uint8_t *start = data - linebuffer->lastlen; // starting byte in hexdump string
linebuffer->lastlen += Nsymbols;
int nadd = sprintf(ptr, "%-10.8zX", address);
ptr += nadd;
size_t i = 0;
for(; i < linebuffer->lastlen; ++i){
if(0 == (i % 8)){
sprintf(ptr, " "); ++ptr; ++nadd;
}
uint8_t c = start[i];
int x = sprintf(ptr, "%-3.2X", c);
if(c > 31 && c < 127) ascii[i] = c;
else ascii[i] = '.';
ptr += x;
nadd += x;
}
ascii[i] = 0;
int emptyvals = (int)(linebuffer->linelen - linebuffer->lastlen);
nadd += sprintf(ptr, "%*s|%*s|", 3*emptyvals+emptyvals/8, "", -((int)linebuffer->linelen), ascii);
linebuffer->fbuf_curr = linebuffer->line_array_idx[linebuffer->lnarr_curr] + nadd;
DBG("---- Total added symbols: %zd, fbuf_curr=%zd (%zd + %zd)", nadd, linebuffer->fbuf_curr,
linebuffer->line_array_idx[linebuffer->lnarr_curr], nadd);
}
DBG("last=%d, line=%d", linebuffer->lastlen, linebuffer->linelen);
if(linebuffer->lastlen == linebuffer->linelen) finalize_line();
len -= Nsymbols;
data += Nsymbols;
}
}
/**
* @brief AddData - add new data buffer to global buffer and last displayed string
* @param data - data
* @param len - length of `data`
*/
void AddData(const uint8_t *data, int len){
// now print all symbols into buff
chksizes();
memcpy(raw_buffer + rawbufcur, data, len);
DBG("Got %d bytes, now buffer have %d", len, rawbufcur+len);
FormatData(raw_buffer + rawbufcur, len);
rawbufcur += len;
redisplay_addline(); // display last symbols if can
}
static void resize(){
DBG("RESIZE WINDOW");
if(LINES > 2){
wresize(msg_win, LINES - 2, COLS);
wresize(sep_win, 1, COLS);
@ -258,10 +484,19 @@ static void resize(){
mvwin(sep_win, LINES - 2, 0);
mvwin(cmd_win, LINES - 1, 0);
}
pthread_mutex_lock(&dtty->mutex);
linebuf_new(); // free old and alloc new
FormatData(raw_buffer, rawbufcur); // reformat all data
pthread_mutex_unlock(&dtty->mutex);
msg_win_redisplay(true);
show_mode(true);
doupdate();
}
/*
void swinch(_U_ int sig){
//signal(SIGWINCH, swinch);
DBG("got resize");
}*/
void init_ncurses(){
if (!initscr())
@ -275,7 +510,6 @@ void init_ncurses(){
noecho();
nonl();
intrflush(NULL, FALSE);
keypad(cmd_win, TRUE);
curs_set(2);
if(LINES > 2){
msg_win = newwin(LINES - 2, COLS, 0, 0);
@ -289,6 +523,8 @@ void init_ncurses(){
}
if(!msg_win || !sep_win || !cmd_win)
fail_exit("Failed to allocate windows");
wtimeout(cmd_win, 4);
keypad(cmd_win, TRUE);
if(has_colors()){
init_pair(BKG_NO, COLOR_WHITE, COLOR_BLUE);
init_pair(BKGMARKED_NO, 1, COLOR_BLUE); // COLOR_RED used in my usefull_macros
@ -300,10 +536,16 @@ void init_ncurses(){
}
show_mode(false);
mousemask(BUTTON4_PRESSED|BUTTON5_PRESSED, NULL);
DBG("INIT raw buffer");
rawbufsz = RBUFSIZ;
raw_buffer = MALLOC(uint8_t, rawbufsz);
linebuf_new();
//signal(SIGWINCH, swinch);
}
void deinit_ncurses(){
visual_mode = false;
linebuf_free();
delwin(msg_win);
delwin(sep_win);
delwin(cmd_win);
@ -342,12 +584,14 @@ void init_readline(){
* @param in, out - types for input and display
*/
static void change_disp(disptype in, disptype out){
if(in >= DISP_TEXT && in < DISP_UNCHANGED){
if(in >= DISP_TEXT && in < DISP_UNCHANGED && in != input_type){
input_type = in;
DBG("input -> %s", dispnames[in]);
}
if(out >= DISP_TEXT && out < DISP_UNCHANGED){
if(out >= DISP_TEXT && out < DISP_UNCHANGED && out != disp_type){
disp_type = out;
DBG("output -> %s", dispnames[out]);
resize(); // reformat everything
}
show_mode(false);
}
@ -356,22 +600,34 @@ void deinit_readline(){
rl_callback_handler_remove();
}
static void rolldown(){
if(firstline && firstline->prev){
firstline = firstline->prev;
msg_win_redisplay(false);
show_mode(false);
doupdate();
}
/**
* @brief rolldown/rollup - roll text by `N` strings
* @param N - amount of strings
*/
static void rolldown(size_t N){ // if N==0 goto first line
DBG("rolldown for %zd, first was %zd", N, firstdisplineno);
size_t old = firstdisplineno;
if(firstdisplineno < N || N == 0) firstdisplineno = 0;
else firstdisplineno -= N;
DBG("old was %zd, become %zd", old, firstdisplineno);
if(old == firstdisplineno) return;
msg_win_redisplay(false);
//msg_win_redisplay(true); show_mode(true); doupdate();
}
static void rollup(){
if(firstline && firstline->next){
firstline = firstline->next;
msg_win_redisplay(false);
show_mode(false);
doupdate();
static void rollup(size_t N){ // if N==0 goto last line
DBG("scroll up for %d", N);
size_t half = (LINES+1)/2;
if(firstdisplineno + half >= linebuffer->lnarr_curr){
DBG("Don't need: %zd+%zd >= %zd", firstdisplineno, half, linebuffer->lnarr_curr);
return; // don't scroll over a half of viewed area
}
size_t old = firstdisplineno;
firstdisplineno += N;
if(firstdisplineno + half > linebuffer->lnarr_curr || N == 0) firstdisplineno = linebuffer->lnarr_curr - half;
DBG("old was %zd, become %zd", old, firstdisplineno);
if(old == firstdisplineno) return;
msg_win_redisplay(false);
//msg_win_redisplay(true); show_mode(true); doupdate();
}
static const char *help[] = {
@ -412,13 +668,15 @@ void *cmdline(void* arg){
show_mode(false);
do{
int c = wgetch(cmd_win);
if(c < 0) continue;
bool processed = true;
//DBG("wgetch got %d", c);
DBG("wgetch got %d", c);
disptype dt = DISP_UNCHANGED;
switch(c){ // common keys for both modes
case KEY_F(1): // help
DBG("\n\nASK for help\n\n");
popup_msg(msg_win, help);
resize(); // call `resize` to enshure that no problems would be later
break;
case KEY_F(2): // TEXT mode
DBG("\n\nIN TEXT mode\n\n");
@ -434,8 +692,8 @@ void *cmdline(void* arg){
break;
case KEY_MOUSE:
if(getmouse(&event) == OK){
if(event.bstate & (BUTTON4_PRESSED)) rolldown(); // wheel up
else if(event.bstate & (BUTTON5_PRESSED)) rollup(); // wheel down
if(event.bstate & (BUTTON4_PRESSED)) rolldown(1); // wheel up
else if(event.bstate & (BUTTON5_PRESSED)) rollup(1); // wheel down
}
break;
case '\t': // tab switch between scroll and edit mode
@ -501,25 +759,23 @@ void *cmdline(void* arg){
}
}else{
switch(c){ // TODO: add home/end
case KEY_HOME:
rolldown(0);
break;
case KEY_END:
rollup(0);
break;
case KEY_UP: // roll down for one item
rolldown();
rolldown(1);
break;
case KEY_DOWN: // roll up for one item
rollup();
rollup(1);
break;
case KEY_PPAGE: // PageUp: roll down for 10 items
for(int i = 0; i < 10; ++i){
if(firstline && firstline->prev) firstline = firstline->prev;
else break;
}
msg_win_redisplay(false);
case KEY_PPAGE: // PageUp: roll down for 2/3 of screen
rolldown((2*LINES)/3);
break;
case KEY_NPAGE: // PageUp: roll up for 10 items
for(int i = 0; i < 10; ++i){
if(firstline && firstline->next) firstline = firstline->next;
else break;
}
msg_win_redisplay(false);
case KEY_NPAGE: // PageUp: roll up for 2/3 of screen
rollup((2*LINES)/3);
break;
default:
if(c == 'q' || c == 'Q') should_exit = true; // quit

View File

@ -34,6 +34,6 @@ void deinit_readline();
void init_ncurses();
void deinit_ncurses();
void *cmdline(void* arg);
void ShowData(const char *text);
void AddData(const uint8_t *data, int len);
#endif // NCURSES_AND_READLINE_H__

View File

@ -75,12 +75,14 @@ static void end_popup(void){
* Display a temporary window, e.g., to display a help-message.
*/
void popup_msg(WINDOW *parent, const char *const *msg){
int x0 = 4;
int y0 = 2;
int y1 = 0, x1 = 0;
int y2 = 0;
int wide = getmaxx(parent) - ((x0 + 1) * 2);
int high = getmaxy(parent) - ((y0 + 1) * 2);
int maxx, maxy, x0, y0, x1 = 0, y1 = 0, y2 = 0;
getmaxyx(parent, maxy, maxx);
// borders
//x0 = (maxx > 12) ? 2 : ((maxx > 9) ? 1 : 0);
x0 = (maxx > 80) ? maxx/2-40 : maxx / 32;
y0 = (maxy > 20) ? 2 : ((maxy > 16) ? 1 : 0);
int wide = maxx - 2*x0;
int high = maxy - 2*y0;
WINDOW *help;
WINDOW *data;
int n;
@ -96,17 +98,14 @@ void popup_msg(WINDOW *parent, const char *const *msg){
length = n;
last_x = width - wide + 4;
if ((help = newwin(high, wide, y0, x0)) == 0)
return;
if ((data = newpad(length + 1, width + 1)) == 0) {
delwin(help);
return;
if((help = newwin(high, wide, y0, x0)) == 0) return;
if((data = newpad(length + 1, width + 1)) == 0){
delwin(help);
return;
}
begin_popup();
keypad(data, TRUE);
for (n = 0; n < length; ++n){
waddstr(data, msg[n]);
if ((n + 1) < length) waddch(data, '\n');
@ -175,7 +174,7 @@ void popup_msg(WINDOW *parent, const char *const *msg){
werase(help);
box(help, 0, 0);
wnoutrefresh(help);
pnoutrefresh(data, y1, x1, y0 + 1, x0 + 1, high, wide);
pnoutrefresh(data, y1, x1, y0+1, x0+1, y0+high-2, x0+wide-2);
doupdate();
} while ((ch = wgetch(data)) != ERR && ch != QUIT && ch != ESCAPE);
werase(help);

View File

@ -166,10 +166,11 @@ static inline const char *getspec(const char *line, int *ch){
* @return amount of bytes sent, 0 if error or -1 if disconnect
*/
int convert_and_send(disptype input_type, const char *line){
static char *buf = NULL;
static uint8_t *buf = NULL;
static size_t bufsiz = 0;
size_t curpos = 0; // position in `buf`
line = omit_nonletters(input_type, line);
DBG("got: '%s' to send", line);
while(*line){
if(curpos >= bufsiz){ // out ouptut buffer can't be larger than input
bufsiz += BUFSIZ;
@ -218,10 +219,9 @@ int convert_and_send(disptype input_type, const char *line){
bufsiz += BUFSIZ;
buf = realloc(buf, bufsiz);
}
snprintf(buf+curpos, eollen+1, "%s", eol);
memcpy(buf+curpos, eol, eollen);
curpos += eollen;
/*snprintf(buf+curpos, 7, "_TEST_");
curpos += 6;*/
DBG("Add EOL");
}
return SendData(buf, curpos);
}

View File

@ -79,13 +79,13 @@ static int waittoread(int fd){
}
// get data drom TTY
static char *getttydata(int *len){
static uint8_t *getttydata(int *len){
if(!device || !device->dev) return NULL;
TTY_descr2 *D = device->dev;
if(D->comfd < 0) return NULL;
int L = 0;
int length = D->bufsz;
char *ptr = D->buf;
int length = D->bufsz - 1; // -1 for terminating zero
uint8_t *ptr = D->buf;
int s = 0;
do{
if(!(s = waittoread(D->comfd))) break;
@ -102,18 +102,18 @@ static char *getttydata(int *len){
length -= l;
}while(length);
D->buflen = L;
D->buf[L] = 0;
D->buf[L] = 0; // for text buffers
if(len) *len = L;
if(!L) return NULL;
DBG("buffer len: %zd, content: =%s=", D->buflen, D->buf);
return D->buf;
}
static char *getsockdata(int *len){
static uint8_t *getsockdata(int *len){
if(!device || !device->dev) return NULL;
TTY_descr2 *D = device->dev;
if(D->comfd < 0) return NULL;
char *ptr = NULL;
uint8_t *ptr = NULL;
int n = waittoread(D->comfd);
if(n == 1){
n = read(D->comfd, D->buf, D->bufsz-1);
@ -137,10 +137,10 @@ static char *getsockdata(int *len){
* @param len (o) - length of data read (-1 if device disconnected)
* @return NULL or string
*/
char *ReadData(int *len){
uint8_t *ReadData(int *len){
if(!device || !device->dev) return NULL;
if(len) *len = -1;
char *r = NULL;
uint8_t *r = NULL;
switch(device->type){
case DEV_TTY:
r = getttydata(len);
@ -165,14 +165,15 @@ char *ReadData(int *len){
* @param data - buffer with data
* @return 0 if error or empty string, -1 if disconnected
*/
int SendData(const char *data, size_t len){
int SendData(const uint8_t *data, size_t len){
if(!device) return -1;
if(!data || len == 0) return 0;
int ret = 0;
DBG("Send %d bytes", len);
if(0 == pthread_mutex_lock(&device->mutex)){
switch(device->type){
case DEV_TTY:
if(write_tty(device->dev->comfd, data, len)) ret = 0;
if(write_tty(device->dev->comfd, (const char*)data, len)) ret = 0;
else ret = len;
break;
case DEV_NETSOCKET:
@ -199,7 +200,7 @@ static const int socktypes[] = {SOCK_STREAM, SOCK_RAW, SOCK_RDM, SOCK_SEQPACKET,
static TTY_descr2* opensocket(){
if(!device) return FALSE;
TTY_descr2 *descr = MALLOC(TTY_descr2, 1); // only for `buf` and bufsz/buflen
descr->buf = MALLOC(char, BUFSIZ);
descr->buf = MALLOC(uint8_t, BUFSIZ);
descr->bufsz = BUFSIZ;
// now try to open a socket
descr->comfd = -1;
@ -334,7 +335,7 @@ static TTY_descr2* opentty(){
tcflag_t flags;
descr->format = parse_format(device->port, &flags);
if(!descr->format) goto someerr;
descr->buf = MALLOC(char, BUFSIZ);
descr->buf = MALLOC(uint8_t, BUFSIZ);
descr->bufsz = BUFSIZ-1;
if((descr->comfd = open(descr->portname, O_RDWR|O_NOCTTY)) < 0){
WARN(_("Can't use port %s"), descr->portname);

View File

@ -39,7 +39,7 @@ typedef struct {
struct termios2 oldtty; // TTY flags for previous port settings
struct termios2 tty; // TTY flags for current settings
int comfd; // TTY file descriptor
char *buf; // buffer for data read
uint8_t *buf; // buffer for data read
size_t bufsz; // size of buf
size_t buflen; // length of data read into buf
} TTY_descr2;
@ -55,8 +55,8 @@ typedef struct{
char seol[5]; // `eol` with doubled backslash (for print @ screen)
} chardevice;
char *ReadData(int *l);
int SendData(const char *data, size_t len);
uint8_t *ReadData(int *l);
int SendData(const uint8_t *data, size_t len);
void settimeout(int tms);
int opendev(chardevice *d, char *path);
void closedev();