Exemple #1
0
static int32_t
fswrite(Usbfs *fs, Fid *fid, void *data, int32_t count, int64_t)
{
	int cn, qt;
	char buf[128];
	Buf *bp;
	Conn *c;
	Ether *e;
	Qid q;

	q = fid->qid;
	q.path &= ~fs->qid;
	e = fs->aux;
	qt = qtype(q.path);
	cn = qnum(q.path);
	switch(qt){
	case Qndata:
		c = getconn(e, cn, 0);
		if(c == nil){
			werrstr(Eio);
			return -1;
		}
		bp = allocbuf(e);
		if(count > sizeof(bp->data)-Hdrsize)
			count = sizeof(bp->data)-Hdrsize;
		memmove(bp->rp, data, count);
		bp->ndata = count;
		if(etherdebug > 1)
			dumpframe("etherout", bp->rp, bp->ndata);
		if(e->nblock == 0)
			sendp(e->wc, bp);
		else if(nbsendp(e->wc, bp) == 0){
			deprint(2, "%s: (out) packet lost\n", argv0);
			e->noerrs++;
			freebuf(e, bp);
		}
		break;
	case Qnctl:
		c = getconn(e, cn, 0);
		if(c == nil){
			werrstr(Eio);
			return -1;
		}
		if(count > sizeof(buf) - 1)
			count = sizeof(buf) - 1;
		memmove(buf, data, count);
		buf[count] = 0;
		if(etherctl(e, c, buf) < 0)
			return -1;
		break;
	default:
		sysfatal("usb: ether: fsread bug");
	}
	return count;
}
Exemple #2
0
int tr2eth(struct packed_ether_header *frame)
{
  struct trh_hdr hdr;
  struct trllc *pllc;
  int hlen = 0;

#ifdef DEBUG
  dumpframe("tr2eth: Incoming tr frame", frame);
#endif
  hdr = *((struct trh_hdr *)frame);
  if (hdr.saddr[0] & TR_RII)
    {
fake_rif :
      hlen = hdr.rcf & ntohs(TR_RCF_LEN_MASK);
#ifdef DEBUG
      printf("rcf = 0x%X SR len %d\n", hdr.rcf, hlen);
#endif
      if (hlen < sizeof(hdr.rcf) || (hlen & 1))
	return 1;
      hdr.saddr[0] &= ~TR_RII;
    }
  pllc = (struct trllc *)(((__u8 *)frame) + sizeof(struct trh_hdr) - TR_MAXRIFLEN + hlen);
  if (pllc->dsap != EXTENDED_SAP || pllc->llc != UI_CMD)
    {
      if (hlen == 0)
	  goto fake_rif;	/* Bug in 2.2.3 kernel */
#ifdef DEBUG
      printf("corrupted TR-IP packet of ui=0x%x and dsap 0x%x discarded\n",
	pllc->llc,pllc->dsap);
#endif
      return 1;
    }
  memcpy(frame->ether_dhost, hdr.daddr, ETH_ALEN);
  memcpy(frame->ether_shost, hdr.saddr, ETH_ALEN);
  frame->ether_type = pllc->ethertype;
  memmove(frame + 1, pllc + 1, IPPACKET_SIZE); /* Move data portion: Overlapping buffer */
#ifdef DEBUG
  dumpframe("tr2eth: Outgoing eth frame", frame);
#endif
  return 0;
}
Exemple #3
0
/***** convert ethernet and token-ring frames *****/
int eth2tr(struct packed_ether_header *frame, int datalen)
{
  struct trh_hdr *phdr;
  struct trllc *pllc;
  char trheader[sizeof(struct trh_hdr) - sizeof(phdr->rseg) + sizeof(struct trllc)];
  int len;

#ifdef DEBUG
  dumpframe("eth2tr: Incoming eth frame", frame);
#endif
  memset(trheader, 0, sizeof(trheader));
  phdr = (struct trh_hdr *)trheader;
  phdr->ac = AC;
  phdr->fc = LLC_FRAME;
  memcpy(phdr->daddr, frame->ether_dhost, TR_ALEN);
  memcpy(phdr->saddr, frame->ether_shost, TR_ALEN);
  if (phdr->daddr[0] & 0x80)
    { /* Destination is a broadcast */
      phdr->rcf = sizeof(phdr->rcf) | htons(TR_RCF_BROADCAST | 0x70); /* Unlimited frame length */
      pllc = (struct trllc *)&phdr->rseg[0];
      phdr->saddr[0] |= TR_RII; /* Set source-route indicator */
      len = sizeof(trheader);
    }
  else
    {
      pllc = (struct trllc *)&phdr->rcf;
      len = sizeof(trheader) - sizeof(phdr->rcf);
    }
  pllc->dsap = EXTENDED_SAP;
  pllc->ssap = EXTENDED_SAP;
  pllc->llc = UI_CMD;
  pllc->protid[0] = pllc->protid[1] = pllc->protid[2] = 0;
  pllc->ethertype = frame->ether_type;
  memmove((char *)(frame + 1) + (len - sizeof(struct packed_ether_header)),
	  frame + 1, datalen); /* Make room for larger TR header */
  memcpy(frame, trheader, len); /* Install TR header */
#ifdef DEBUG
  dumpframe("eth2tr: Outgoing tr frame", frame);
#endif
  return len + datalen;
}
Exemple #4
0
void ofxMocha::loadFromText (string filename) {
	
	frames.clear();
	
	
	FILE * pFile;
	pFile = fopen (filename.c_str() , "r");
	if (pFile == NULL) 
		return;
	
	
	vector<frame>::iterator iter;
	int num;
	bool res;
	char line [100];
	char str [100];
	
	
	while (!feof(pFile)) {
		fgets (line , 100 , pFile);
		cout << line ;
		
		if (sscanf(line, "%s",str) != 1) {
			continue;
		}
		
		
		
		if (strcmp(str,"Position") == 0) {
			
			fgets (line , 100 , pFile);
			cout << line ;
			fgets (line , 100 , pFile);
			frame f;
			clearframe(f);
			
			while (sscanf(line, "%u %f %f %f",&f.num,&f.x,&f.y,&f.z) == 4) {
				frames.push_back(f);
				dumpframe(&f);
				clearframe(f);
				fgets (line , 100 , pFile);
			} 
		} else if (strcmp(str,"Scale") == 0) {
			
			fgets (line , 100 , pFile);
			cout << line ;
			fgets (line , 100 , pFile);
			iter = frames.begin();
			
			while (sscanf(line, "%u %f %f %f",&num,&(iter->scaleX),&(iter->scaleY),&(iter->scaleZ)) == 4) {
				dumpframe(&*iter);
				iter++;
				fgets (line , 100 , pFile);
			} 
		} else if (strcmp(str,"Rotation") == 0) {
			
			
			fgets (line , 100 , pFile);
			cout << line ;
			fgets (line , 100 , pFile);
			iter = frames.begin();
			
			while (sscanf(line, "%u %f",&num,&iter->rotation) == 2) {
				dumpframe(&*iter);
				iter++;
				fgets (line , 100 , pFile);
			} 
			
		} 
	}
	
	fclose (pFile);
	
	vector<string> vec1 = ofSplitString(filename, "/");
	vector<string> vec2 = ofSplitString(vec1.back(), ".");
	prefix = vec2.front();
}
Exemple #5
0
static int32_t
fsread(Usbfs *fs, Fid *fid, void *data, int32_t count, int64_t offset)
{
	int cn, qt;
	char *s, *se;
	char buf[2048];		/* keep this large for ifstats */
	Buf *bp;
	Conn *c;
	Ether *e;
	Qid q;

	q = fid->qid;
	q.path &= ~fs->qid;
	e = fs->aux;
	s = buf;
	se = buf+sizeof(buf);
	qt = qtype(q.path);
	cn = qnum(q.path);
	switch(qt){
	case Qroot:
		count = usbdirread(fs, q, data, count, offset, rootdirgen, nil);
		break;
	case Qaddr:
		s = seprintaddr(s, se, e->addr);
		count = usbreadbuf(data, count, offset, buf, s - buf);
		break;
	case Qnifstats:
		/* BUG */
	case Qifstats:
		s = seprintifstats(s, se, e);
		if(e->seprintstats != nil)
			s = e->seprintstats(s, se, e);
		count = usbreadbuf(data, count, offset, buf, s - buf);
		break;
	case Qnstats:
		/* BUG */
	case Qstats:
		s = seprintstats(s, se, e);
		count = usbreadbuf(data, count, offset, buf, s - buf);
		break;

	case Qndir:
		count = usbdirread(fs, q, data, count, offset, conndirgen, nil);
		break;
	case Qndata:
		c = getconn(e, cn, 0);
		if(c == nil){
			werrstr(Eio);
			return -1;
		}
		bp = recvp(c->rc);
		if(bp == nil)
			return -1;
		if(etherdebug > 1)
			dumpframe("etherin", bp->rp, bp->ndata);
		count = usbreadbuf(data, count, 0LL, bp->rp, bp->ndata);
		freebuf(e, bp);
		break;
	case Qnctl:
		s = seprint(s, se, "%11d ", cn);
		count = usbreadbuf(data, count, offset, buf, s - buf);
		break;
	case Qntype:
		c = getconn(e, cn, 0);
		if(c == nil)
			s = seprint(s, se, "%11d ", 0);
		else
			s = seprint(s, se, "%11d ", c->type);
		count = usbreadbuf(data, count, offset, buf, s - buf);
		break;
	default:
		sysfatal("usb: ether: fsread bug");
	}
	return count;
}