puffs/mount_9p/nineproto.c

46 proto_getqid(struct puffs_framebuf *pb, struct qid9p *qid)
49 	if (puffs_framebuf_remaining(pb) < 1+4+8)
52 	p9pbuf_get_1(pb, &qid->qidtype);
53 	p9pbuf_get_4(pb, &qid->qidvers);
54 	p9pbuf_get_8(pb, &qid->qidpath);
110 	if ((rv = (a(pb, b)))) return rv;				\
115 	if ((rv = p9pbuf_get_str(pb, val, strsize))) return rv;		\
120 proto_getstat(struct puffs_framebuf *pb, struct vattr *vap,
131 	if ((rv = p9pbuf_get_2(pb, &size)))
133 	if (puffs_framebuf_remaining(pb) < size)
188 	struct puffs_framebuf *pb;
193 	pb = p9pbuf_makeout();
194 	p9pbuf_put_1(pb, P9PROTO_T_WALK);
195 	p9pbuf_put_2(pb, tag);
196 	p9pbuf_put_4(pb, oldfid);
197 	p9pbuf_put_4(pb, newfid);
198 	p9pbuf_put_2(pb, 0);
199 	GETRESPONSE(pb);
201 	rv = proto_expect_walk_nqids(pb, &qids);
206 	puffs_framebuf_destroy(pb);
215 	struct puffs_framebuf *pb;
219 	pb = p9pbuf_makeout();
220 	p9pbuf_put_1(pb, P9PROTO_T_CLUNK);
221 	p9pbuf_put_2(pb, tag);
222 	p9pbuf_put_4(pb, fid);
225 		if (puffs_framev_enqueue_cc(pcc, p9p->servsock, pb, 0) == 0) {
226 			if (p9pbuf_get_type(pb) != P9PROTO_R_CLUNK)
231 		puffs_framebuf_destroy(pb);
233 		JUSTSEND(pb);
249 	struct puffs_framebuf *pb;
257 	pb = p9pbuf_makeout();
258 	p9pbuf_put_1(pb, P9PROTO_T_OPEN);
259 	p9pbuf_put_2(pb, tag);
260 	p9pbuf_put_4(pb, newfid);
261 	p9pbuf_put_1(pb, mode);
262 	GETRESPONSE(pb);
263 	if (p9pbuf_get_type(pb) != P9PROTO_R_OPEN)
267 	puffs_framebuf_destroy(pb);
272 proto_make_stat(struct puffs_framebuf *pb, const struct vattr *vap,
286 	startoff = puffs_framebuf_telloff(pb);
287 	puffs_framebuf_seekset(pb, startoff + 2+2); /* stat[n] incl. stat[2] */
314 	p9pbuf_put_2(pb, P9PROTO_STAT_NOVAL2);	/* kernel type	*/
315 	p9pbuf_put_4(pb, P9PROTO_STAT_NOVAL4);	/* dev		*/
316 	p9pbuf_put_1(pb, P9PROTO_STAT_NOVAL1);	/* type		*/
317 	p9pbuf_put_4(pb, P9PROTO_STAT_NOVAL4);	/* version	*/
318 	p9pbuf_put_8(pb, P9PROTO_STAT_NOVAL8);	/* path		*/
319 	p9pbuf_put_4(pb, mode);
320 	p9pbuf_put_4(pb, atime);
321 	p9pbuf_put_4(pb, mtime);
322 	p9pbuf_put_8(pb, flen);
323 	p9pbuf_put_str(pb, filename ? filename : "");
324 	p9pbuf_put_str(pb, owner);
325 	p9pbuf_put_str(pb, group);
326 	p9pbuf_put_str(pb, "");			/* muid		*/
328 	curoff = puffs_framebuf_telloff(pb);
329 	puffs_framebuf_seekset(pb, startoff);
330 	p9pbuf_put_2(pb, curoff-(startoff+2));	/* stat[n] size	*/
331 	p9pbuf_put_2(pb, curoff-(startoff+4));	/* size[2] stat	*/
333 	puffs_framebuf_seekset(pb, curoff);
337 proto_expect_walk_nqids(struct puffs_framebuf *pb, uint16_t *nqids)
340 	if (p9pbuf_get_type(pb) != P9PROTO_R_WALK)
342 	return p9pbuf_get_2(pb, nqids);
346 proto_expect_qid(struct puffs_framebuf *pb, uint8_t op, struct qid9p *qid)
349 	if (p9pbuf_get_type(pb) != op)
351 	return proto_getqid(pb, qid);
355 proto_expect_stat(struct puffs_framebuf *pb, struct vattr *va)
360 	if (p9pbuf_get_type(pb) != P9PROTO_R_STAT)
362 	if ((rv = p9pbuf_get_2(pb, &dummy)))
364 	return proto_getstat(pb, va, NULL, NULL);