puffs/mount_9p/fs.c

67 	struct puffs_framebuf *pb;
81 	pb = p9pbuf_makeout();
82 	p9pbuf_put_1(pb, P9PROTO_T_VERSION);
83 	p9pbuf_put_2(pb, P9PROTO_NOTAG);
84 	p9pbuf_put_4(pb, p9p->maxreq);
85 	p9pbuf_put_str(pb, p9p_ver2str(p9p->protover));
86 	DO_IO(p9pbuf_write, pu, pb, p9p->servsock, &done, rv);
88 	puffs_framebuf_recycle(pb);
89 	DO_IO(p9pbuf_read, pu, pb, p9p->servsock, &done, rv);
91 	if ((type = p9pbuf_get_type(pb)) != P9PROTO_R_VERSION)
93 	if ((rtagid = p9pbuf_get_tag(pb)) != P9PROTO_NOTAG) {
98 	if (p9pbuf_get_4(pb, &maxreq))
105 	if (p9pbuf_get_str(pb, &str, &strsize))
113 	p9pbuf_recycleout(pb);
115 	p9pbuf_put_1(pb, P9PROTO_T_ATTACH);
116 	p9pbuf_put_2(pb, tagid);
117 	p9pbuf_put_4(pb, P9P_ROOTFID);
118 	p9pbuf_put_4(pb, P9PROTO_NOFID);
119 	p9pbuf_put_str(pb, username);
120 	p9pbuf_put_str(pb, "");
122 		p9pbuf_put_4(pb, P9PROTO_NUNAME_UNSPECIFIED); /* n_uname[4] */
123 	DO_IO(p9pbuf_write, pu, pb, p9p->servsock, &done, rv);
125 	puffs_framebuf_recycle(pb);
126 	DO_IO(p9pbuf_read, pu, pb, p9p->servsock, &done, rv);
128 	if ((type = p9pbuf_get_type(pb)) != P9PROTO_R_ATTACH)
130 	if ((rtagid = p9pbuf_get_tag(pb)) != tagid)
151 		p9pbuf_recycleout(pb);
154 		p9pbuf_put_1(pb, P9PROTO_T_WALK);
155 		p9pbuf_put_2(pb, tagid);
156 		p9pbuf_put_4(pb, P9P_ROOTFID);
157 		p9pbuf_put_4(pb, curfid);
158 		p9pbuf_put_2(pb, ncomp);
169 			p9pbuf_put_data(pb, p, p2-p);
173 		DO_IO(p9pbuf_write, pu, pb, p9p->servsock, &done, rv);
175 		puffs_framebuf_recycle(pb);
176 		DO_IO(p9pbuf_read, pu, pb, p9p->servsock, &done, rv);
178 		if ((type = p9pbuf_get_type(pb)) != P9PROTO_R_WALK)
180 		if ((rtagid = p9pbuf_get_tag(pb)) != tagid)
183 		if (p9pbuf_get_2(pb, &walked) == -1)
190 		p9pbuf_recycleout(pb);
192 		p9pbuf_put_1(pb, P9PROTO_T_CLUNK);
193 		p9pbuf_put_2(pb, tagid);
194 		p9pbuf_put_4(pb, P9P_ROOTFID);
196 		DO_IO(p9pbuf_write, pu, pb, p9p->servsock, &done, rv);
197 		puffs_framebuf_recycle(pb);
198 		DO_IO(p9pbuf_read, pu, pb, p9p->servsock, &done, rv);
203 	p9pbuf_recycleout(pb);
205 	p9pbuf_put_1(pb, P9PROTO_T_STAT);
206 	p9pbuf_put_2(pb, tagid);
207 	p9pbuf_put_4(pb, curfid);
208 	DO_IO(p9pbuf_write, pu, pb, p9p->servsock, &done, rv);
210 	puffs_framebuf_recycle(pb);
211 	DO_IO(p9pbuf_read, pu, pb, p9p->servsock, &done, rv);
213 	if ((type = p9pbuf_get_type(pb)) != P9PROTO_R_STAT)
215 	if ((rtagid = p9pbuf_get_tag(pb)) != tagid)
217 	if (p9pbuf_get_2(pb, &dummy))
219 	if (proto_getstat(pu, pb, &rootva, NULL, NULL))
221 	puffs_framebuf_destroy(pb);