C++ (Cpp) npc_create_fsys Examples

Example #1

File: mount.c Project: eugmes/diod

Npcfsys*
npc_start (int rfd, int wfd, int msize, int flags)
{
	Npcfsys *fs;
	Npfcall *tc = NULL, *rc = NULL;

	if ((flags & NPC_MULTI_RPC))
		fs = npc_create_mtfsys (rfd, wfd, msize, flags);
	else 
		fs = npc_create_fsys (rfd, wfd, msize, flags);
	if (!fs)
		goto done;
	if (!(tc = np_create_tversion (msize, "9P2000.L"))) {
		np_uerror (ENOMEM);
		goto done;
	}
	if (fs->rpc (fs, tc, &rc) < 0)
		goto done;
	if (rc->u.rversion.msize < msize)
		fs->msize = rc->u.rversion.msize;
	if (np_strcmp (&rc->u.rversion.version, "9P2000.L") != 0) {
		np_uerror(EIO);
		goto done;
	}
done:
	if (tc)
		free (tc);
	if (rc)
		free (rc);
	if (np_rerror () && fs) {
		npc_finish (fs);
		fs = NULL;
	}			
	return fs;
}

Example #2

File: mount.c Project: FIT-CVUT/clondike

Npcfsys*
npc_mount(int fd, char *aname, char *uname)
{
	Npcfsys *fs;
	Npfcall *tc, *rc;

	fs = npc_create_fsys(fd, 8216);
	if (!fs)
		return NULL;

	tc = np_create_tversion(8216, "9P2000.u");
	if (npc_rpc(fs, tc, &rc) < 0)
		goto error;

	if (rc->version.len==8 && !memcmp(rc->version.str, "9P2000.u", 8)) {
		fs->dotu = 1;
	} else if (rc->version.len==6 && !memcmp(rc->version.str, "9P2000", 6)) {
		fs->dotu = 0;
	} else {
		np_werror("unsupported 9P version", EIO);
		goto error;
	}
	free(tc);
	free(rc);
	tc = rc = NULL;

	fs->root = npc_fid_alloc(fs);
	if (!fs->root) 
		goto error;

	tc = np_create_tattach(fs->root->fid, NOFID, uname, aname);
	if (npc_rpc(fs, tc, &rc) < 0)
		goto error;

	free(tc);
	free(rc);
	return fs;

error:
	free(tc);
	free(rc);
	npc_disconnect_fsys(fs);
	npc_decref_fsys(fs);

	return NULL;
}

Example #3

File: mount.c Project: BillTheBest/Open-Vertex

Npcfsys*
npc_mount(int fd, char *aname, Npuser *user, 
	int (*auth)(Npcfid *afid, Npuser *user, void *aux), void *aux)
{
	Npcfsys *fs;
	Npfcall *tc, *rc;

	fs = npc_create_fsys(fd, 8216);
	if (!fs)
		return NULL;

	tc = np_create_tversion(8216, "9P2000.u");
	if (npc_rpc(fs, tc, &rc) < 0)
		goto error;

	if (rc->version.len==8 && !memcmp(rc->version.str, "9P2000.u", 8)) {
		fs->dotu = 1;
	} else if (rc->version.len==6 && !memcmp(rc->version.str, "9P2000", 6)) {
		fs->dotu = 0;
	} else {
		np_werror("unsupported 9P version", EIO);
		goto error;
	}
	free(tc);
	free(rc);
	tc = rc = NULL;

	if (auth) {
		fs->afid = npc_fid_alloc(fs);
		if (!fs->afid)
			goto error;

		tc = np_create_tauth(fs->afid->fid, user?user->uname:NULL, aname, 
			user?user->uid:-1, fs->dotu);
		if (npc_rpc(fs, tc, &rc) < 0) {
			npc_fid_free(fs->afid);
			fs->afid = NULL;
		} else if ((*auth)(fs->afid, user, aux) < 0)
				goto error;

		free(tc);
		free(rc);
		tc = rc = NULL;
	}

	fs->root = npc_fid_alloc(fs);
	if (!fs->root) 
		goto error;

	tc = np_create_tattach(fs->root->fid, fs->afid?fs->afid->fid:NOFID, 
		user->uname, aname, user->uid, fs->dotu);
	if (npc_rpc(fs, tc, &rc) < 0)
		goto error;

	free(tc);
	free(rc);
	return fs;

error:
	free(tc);
	free(rc);
	npc_disconnect_fsys(fs);
	npc_decref_fsys(fs);

	return NULL;
}