Zmodem changes

This commit is contained in:
Michiel Broek 2006-03-20 19:13:14 +00:00
parent 8b1194af26
commit a179a29b53
5 changed files with 66 additions and 33 deletions

View File

@ -53,7 +53,6 @@ struct tchars oldtch, tch;
int hanged_up = 0;
unsigned Baudrate = 9600; /* Default, set by first io_mode() call */
int current_mode = -1;
@ -176,12 +175,6 @@ int io_mode(int fd, int n)
static int did0 = FALSE;
Syslog('t', "io_mode(%d, %d) (%s)", fd, n, io_names[n]);
if (n == current_mode) {
Syslog('t', "io_mode already set");
return 0;
}
current_mode = n;
switch(n) {
@ -327,7 +320,6 @@ int io_mode(int fd, int n)
* ^O, ^R, ^W).
*/
tty.c_lflag &= ~(ECHO | ICANON | ISIG | IEXTEN);
// tty.c_lflag = 0; /* Transparant input */
tty.c_oflag = 0; /* Transparent output */
tty.c_cflag &= ~( CSIZE | PARENB ); /* Same baud rate, disable parity */
@ -386,7 +378,7 @@ void sendbrk(void)
if (isatty(0)) {
#ifdef USE_TERMIOS
tcsendbreak(0, 200);
tcsendbreak(0, 0);
#endif
#ifdef USE_TERMIO
ioctl(0, TCSBRK, 0);

View File

@ -58,6 +58,7 @@ char *ttystat[]= {(char *)"Ok",
/*
* private r/w functions
*/
static int tty_read(char *, int, int);
static int tty_read(char *buf, int size, int tot)
{
time_t now;
@ -126,8 +127,8 @@ static int tty_read(char *buf, int size, int tot)
}
int tty_put(char *buf, int size)
int tty_write(char *, int);
int tty_write(char *buf, int size)
{
int result;
@ -137,14 +138,14 @@ int tty_put(char *buf, int size)
if (result != size) {
if (hanged_up || (errno == EPIPE) || (errno == ECONNRESET)) {
tty_status = STAT_HANGUP;
WriteError("tty_put: hanged_up flag");
WriteError("tty_write: hanged_up flag");
} else {
tty_status=STAT_ERROR;
Syslog('!', "tty_put: error flag");
Syslog('!', "tty_write: error flag");
}
}
if (tty_status)
Syslog('t', "tty_put: error %s", ttystat[tty_status]);
Syslog('t', "tty_write: error %s", ttystat[tty_status]);
return -tty_status;
}
@ -184,6 +185,13 @@ void tty_flushin(void)
}
void tty_flushout(void)
{
tcdrain(1);
// tcflush(1, TCOFLUSH);
}
int tty_getc(int tot)
{
@ -207,7 +215,41 @@ int tty_putc(int c)
{
char buf = c;
return tty_put(&buf, 1);
return tty_write(&buf, 1);
}
int tty_get(char *buf, int size, int tot)
{
int result=0;
if (left >= size) {
memcpy(buf,next,size);
next += size;
left -= size;
return 0;
}
if (left > 0) {
memcpy(buf,next,left);
buf += left;
next += left;
size -= left;
left=0;
}
while ((result=tty_read(buf,size,tot)) > 0) {
buf += result;
size -= result;
}
return result;
}
int tty_put(char *buf, int size)
{
return tty_write(buf,size);
}

View File

@ -5,6 +5,7 @@
#define TCHECK() tty_check()
#define FLUSHIN() tty_flushin()
#define FLUSHOUT() tty_flushout()
#define PUTCHAR(x) tty_putc(x)
#define PUT(x,y) tty_put(x,y)
#define PUTSTR(x) tty_put(x,strlen(x))
@ -79,8 +80,9 @@ int tty_status;
int tty_check(void);
int tty_getc(int);
int tty_putc(int);
int tty_put(char*, int);
int tty_put(char *, int);
int tty_get(char *, int, int);
void tty_flushin(void);
void tty_flushout(void);
#endif

View File

@ -201,7 +201,7 @@ void zsbhdr(int type, char *shdr)
BUFFER_FLUSH();
if (type != ZDATA)
fflush(stdout);
FLUSHOUT();
}
@ -274,7 +274,7 @@ void zshhdr(int type, char *shdr)
BUFFER_BYTE(021);
BUFFER_FLUSH();
fflush(stdout);
FLUSHOUT();
}
@ -313,7 +313,7 @@ void zsdata(register char *buf, int length, int frameend)
BUFFER_FLUSH();
if (frameend != ZCRCG)
fflush(stdout);
FLUSHOUT();
}
@ -488,13 +488,6 @@ startover:
cancount = 5;
tmcount = 5;
again:
/*
* Return immediate ERROR if ZCRCW sequence seen
*/
// if (((c = GETCHAR(Rxtimeout)) < 0) && (c != TIMEOUT))
// goto fifi;
// else {
// switch(c) {
switch (c = GETCHAR(Rxtimeout)) {
case 021:
case 0221: goto again;
@ -543,7 +536,6 @@ agn2:
case ZPAD: /* This is what we want. */
break;
}
// }
cancount = 5;
splat:
@ -756,12 +748,19 @@ void zsendline(int c)
BUFFER_BYTE(ZDLE);
BUFFER_BYTE(lastsent = (c ^= 0100));
break;
case 015:
case 0215:
if (!Zctlesc && (lastsent & 0177) != '@')
goto sendit;
/* Fall thru */
case 020:
case 021:
case 023:
case 0221:
case 0223:
BUFFER_BYTE(ZDLE);
c ^= 0100;
sendit:
BUFFER_BYTE(lastsent = c);
break;
default:

View File

@ -234,15 +234,13 @@ static int sendzfile(char *rn)
return 1;
}
Syslog('+', "Zmodem: send \"%s\"", MBSE_SS(rn));
Syslog('+', "Zmodem: size %lu bytes, dated %s", (unsigned int)st.st_size, rfcdate(st.st_mtime));
Syslog('+', "Zmodem: send \"%s\", %lu bytes, dated %s", MBSE_SS(rn), (unsigned int)st.st_size, rfcdate(st.st_mtime));
gettimeofday(&starttime, &tz);
snprintf(txbuf,MAXBLOCK + 1024,"%s %u %o %o 0 0 0", rn,
(unsigned int)st.st_size, (int)st.st_mtime + (int)(st.st_mtime % 2), st.st_mode);
bufl = strlen(txbuf);
*(strchr(txbuf,' ')) = '\0'; /*hope no blanks in filename*/
Syslog('z', "txbuf \"%s\"", printable(txbuf, 0));
Eofseen = 0;
rc = zsendfile(txbuf,bufl);