182 lines
3.6 KiB
C
182 lines
3.6 KiB
C
/*****************************************************************************
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*
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* $Id: m7send.c,v 1.6 2004/02/21 17:22:01 mbroek Exp $
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* Purpose ...............: Fidonet mailer
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*
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*****************************************************************************
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* Copyright (C) 1997-2004
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*
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* Michiel Broek FIDO: 2:280/2802
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* Beekmansbos 10
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* 1971 BV IJmuiden
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* the Netherlands
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*
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* This file is part of MBSE BBS.
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*
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* This BBS is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* MBSE BBS is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with MBSE BBS; see the file COPYING. If not, write to the Free
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* Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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*****************************************************************************/
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#include "../config.h"
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#include "../lib/mbselib.h"
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#include "statetbl.h"
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#include "ttyio.h"
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#include "m7send.h"
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static int m7_send(void);
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static char *fn;
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int m7send(char *fname)
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{
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fn=fname;
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return m7_send();
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}
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SM_DECL(m7_send,(char *)"m7send")
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SM_STATES
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waitnak,
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sendack,
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sendchar,
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waitack,
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sendsub,
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waitcheck,
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ackcheck
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SM_NAMES
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(char *)"waitnak",
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(char *)"sendack",
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(char *)"sendchar",
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(char *)"waitack",
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(char *)"sendsub",
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(char *)"waitcheck",
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(char *)"ackcheck"
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SM_EDECL
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char buf[12],*p;
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int i,c,count=0;
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char cs=SUB;
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memset(buf,' ',sizeof(buf));
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for (i=0,p=fn; (i<8) && (*p) && (*p != '.'); i++,p++)
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buf[i] = toupper(*p);
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if (*p == '.')
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p++;
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for (; (i<11) && (*p); i++,p++)
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buf[i] = toupper(*p);
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for (i=0; i<11; i++)
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cs += buf[i];
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buf[11]='\0';
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Syslog('x', "modem7 filename \"%s\", checksum %02x", buf,(unsigned char)cs);
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SM_START(sendack)
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SM_STATE(waitnak)
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if (count++ > 20) {
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Syslog('+', "too many tries sending modem7 name");
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SM_ERROR;
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}
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c=GETCHAR(5);
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if (c == TIMEOUT) {
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Syslog('x', "m7 got timeout waiting NAK");
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SM_PROCEED(waitnak);
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} else if (c < 0) {
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SM_ERROR;
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} else if (c == NAK) {
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SM_PROCEED(sendack);
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} else {
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Syslog('x', "m7 got '%s' waiting NAK", printablec(c));
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PUTCHAR('u');
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SM_PROCEED(waitnak);
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}
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SM_STATE(sendack)
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i = 0;
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PUTCHAR(ACK);
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if (STATUS) {
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SM_ERROR;
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} else {
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SM_PROCEED(sendchar);
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}
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SM_STATE(sendchar)
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if (i > 11) {
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SM_PROCEED(sendsub);
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}
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PUTCHAR(buf[i++]);
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if (STATUS) {
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SM_ERROR;
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} else {
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SM_PROCEED(waitack);
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}
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SM_STATE(waitack)
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c = GETCHAR(1);
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if (c == TIMEOUT) {
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Syslog('x', "m7 got timeout waiting ACK for char %d",i);
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PUTCHAR('u');
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SM_PROCEED(waitnak);
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} else if (c < 0) {
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SM_ERROR;
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} else if (c == ACK) {
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SM_PROCEED(sendchar);
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} else {
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Syslog('x', "m7 got '%s' waiting ACK for char %d", printablec(c),i);
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PUTCHAR('u');
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SM_PROCEED(waitnak);
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}
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SM_STATE(sendsub)
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PUTCHAR(SUB);
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SM_PROCEED(waitcheck);
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SM_STATE(waitcheck)
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c = GETCHAR(1);
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if (c == TIMEOUT) {
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Syslog('x', "m7 got timeout waiting check");
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PUTCHAR('u');
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SM_PROCEED(waitnak);
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} else if (c < 0) {
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SM_ERROR;
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} else if (c == cs) {
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SM_PROCEED(ackcheck);
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} else {
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Syslog('x', "m7 got %02x waiting check %02x", (unsigned char)c,(unsigned char)cs);
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PUTCHAR('u');
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SM_PROCEED(waitnak);
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}
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SM_STATE(ackcheck)
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PUTCHAR(ACK);
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if (STATUS) {
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SM_ERROR;
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} else {
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SM_SUCCESS;
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}
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SM_END
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SM_RETURN
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