ref: 63e826c1a177368305ce9e89c0b7bc3b13e158d5
parent: 7d633eeb7f1d5bb10dd51934d95db5f9b4779441
author: cinap_lenrek <[email protected]>
date: Wed Feb 24 19:04:29 EST 2016
devip: fix ipgen() so /mnt/term/net becomes usable devip's ipgen() was broken not generating info for non-directory entries making it impossible to stat files with devstat().
--- a/kern/devip.c
+++ b/kern/devip.c
@@ -16,12 +16,17 @@
enum
{Qtopdir = 1, /* top level directory */
- Qcs,
+ Qtopbase,
+ Qcs = Qtopbase,
+
Qprotodir, /* directory for a protocol */
- Qclonus,
+ Qprotobase,
+ Qclone = Qprotobase,
+
Qconvdir, /* directory for a conversation */
+ Qconvbase,
+ Qctl = Qconvbase,
Qdata,
- Qctl,
Qstatus,
Qremote,
Qlocal,
@@ -72,83 +77,138 @@
static Conv* protoclone(Proto*, char*, int);
static void setladdr(Conv*);
-int
-ipgen(Chan *c, char *nname, Dirtab *d, int nd, int s, Dir *dp)
+static char network[] = "network";
+
+static int
+ip3gen(Chan *c, int i, Dir *dp)
{Qid q;
Conv *cv;
char *p;
- USED(nname);
- q.vers = 0;
- q.type = 0;
+ cv = proto[PROTO(c->qid)].conv[CONV(c->qid)];
+ if(cv->owner == nil)
+ strcpy(cv->owner, eve);
+ mkqid(&q, QID(PROTO(c->qid), CONV(c->qid), i), 0, QTFILE);
+
+ switch(i) {+ default:
+ return -1;
+ case Qctl:
+ devdir(c, q, "ctl", 0, cv->owner, cv->perm, dp);
+ return 1;
+ case Qdata:
+ devdir(c, q, "data", 0, cv->owner, cv->perm, dp);
+ return 1;
+ case Qlisten:
+ devdir(c, q, "listen", 0, cv->owner, cv->perm, dp);
+ return 1;
+ case Qlocal:
+ p = "local";
+ break;
+ case Qremote:
+ p = "remote";
+ break;
+ case Qstatus:
+ p = "status";
+ break;
+ }
+ devdir(c, q, p, 0, cv->owner, 0444, dp);
+ return 1;
+}
+
+static int
+ip2gen(Chan *c, int i, Dir *dp)
+{+ Qid q;
+
+ switch(i) {+ case Qclone:
+ mkqid(&q, QID(PROTO(c->qid), 0, Qclone), 0, QTFILE);
+ devdir(c, q, "clone", 0, network, 0666, dp);
+ return 1;
+ }
+ return -1;
+}
+
+static int
+ip1gen(Chan *c, int i, Dir *dp)
+{+ Qid q;
+ char *p;
+ int prot;
+ int len = 0;
+
+ prot = 0666;
+ mkqid(&q, QID(0, 0, i), 0, QTFILE);
+ switch(i) {+ default:
+ return -1;
+ case Qcs:
+ p = "cs";
+ prot = 0664;
+ break;
+ }
+ devdir(c, q, p, len, network, prot, dp);
+ return 1;
+}
+
+static int
+ipgen(Chan *c, char *nname, Dirtab *d, int nd, int s, Dir *dp)
+{+ Qid q;
+ Conv *cv;
+
switch(TYPE(c->qid)) {case Qtopdir:
- if(s >= 1+np)
- return -1;
-
- if(s == 0){- q.path = QID(s, 0, Qcs);
- devdir(c, q, "cs", 0, "network", 0666, dp);
- }else{- s--;
- q.path = QID(s, 0, Qprotodir);
- q.type = QTDIR;
- devdir(c, q, proto[s].name, 0, "network", DMDIR|0555, dp);
+ if(s == DEVDOTDOT){+ mkqid(&q, QID(0, 0, Qtopdir), 0, QTDIR);
+ snprint(up->genbuf, sizeof up->genbuf, "#I%lud", c->dev);
+ devdir(c, q, up->genbuf, 0, network, 0555, dp);
+ return 1;
}
- return 1;
+ if(s < np) {+ mkqid(&q, QID(s, 0, Qprotodir), 0, QTDIR);
+ devdir(c, q, proto[s].name, 0, network, 0555, dp);
+ return 1;
+ }
+ s -= np;
+ return ip1gen(c, s+Qtopbase, dp);
+ case Qcs:
+ return ip1gen(c, TYPE(c->qid), dp);
case Qprotodir:
+ if(s == DEVDOTDOT){+ mkqid(&q, QID(0, 0, Qtopdir), 0, QTDIR);
+ snprint(up->genbuf, sizeof up->genbuf, "#I%lud", c->dev);
+ devdir(c, q, up->genbuf, 0, network, 0555, dp);
+ return 1;
+ }
if(s < proto[PROTO(c->qid)].nc) {cv = proto[PROTO(c->qid)].conv[s];
- sprint(up->genbuf, "%d", s);
- q.path = QID(PROTO(c->qid), s, Qconvdir);
- q.type = QTDIR;
- devdir(c, q, up->genbuf, 0, cv->owner, DMDIR|0555, dp);
+ snprint(up->genbuf, sizeof up->genbuf, "%d", s);
+ mkqid(&q, QID(PROTO(c->qid), s, Qconvdir), 0, QTDIR);
+ devdir(c, q, up->genbuf, 0, cv->owner, 0555, dp);
return 1;
}
s -= proto[PROTO(c->qid)].nc;
- switch(s) {- default:
- return -1;
- case 0:
- p = "clone";
- q.path = QID(PROTO(c->qid), 0, Qclonus);
- break;
- }
- devdir(c, q, p, 0, "network", 0555, dp);
- return 1;
+ return ip2gen(c, s+Qprotobase, dp);
+ case Qclone:
+ return ip2gen(c, TYPE(c->qid), dp);
case Qconvdir:
- cv = proto[PROTO(c->qid)].conv[CONV(c->qid)];
- switch(s) {- default:
- return -1;
- case 0:
- q.path = QID(PROTO(c->qid), CONV(c->qid), Qdata);
- devdir(c, q, "data", 0, cv->owner, cv->perm, dp);
+ if(s == DEVDOTDOT){+ s = PROTO(c->qid);
+ mkqid(&q, QID(s, 0, Qprotodir), 0, QTDIR);
+ devdir(c, q, proto[s].name, 0, network, 0555, dp);
return 1;
- case 1:
- q.path = QID(PROTO(c->qid), CONV(c->qid), Qctl);
- devdir(c, q, "ctl", 0, cv->owner, cv->perm, dp);
- return 1;
- case 2:
- p = "status";
- q.path = QID(PROTO(c->qid), CONV(c->qid), Qstatus);
- break;
- case 3:
- p = "remote";
- q.path = QID(PROTO(c->qid), CONV(c->qid), Qremote);
- break;
- case 4:
- p = "local";
- q.path = QID(PROTO(c->qid), CONV(c->qid), Qlocal);
- break;
- case 5:
- p = "listen";
- q.path = QID(PROTO(c->qid), CONV(c->qid), Qlisten);
- break;
}
- devdir(c, q, p, 0, cv->owner, 0444, dp);
- return 1;
+ return ip3gen(c, s+Qconvbase, dp);
+ case Qctl:
+ case Qdata:
+ case Qlisten:
+ case Qlocal:
+ case Qremote:
+ case Qstatus:
+ return ip3gen(c, TYPE(c->qid), dp);
}
return -1;
}
@@ -249,7 +309,7 @@
if(omode != OREAD)
error(Eperm);
break;
- case Qclonus:
+ case Qclone:
p = &proto[PROTO(c->qid)];
cv = protoclone(p, up->user, -1);
if(cv == 0)
@@ -317,7 +377,7 @@
cc = proto[PROTO(c->qid)].conv[CONV(c->qid)];
if(decref(&cc->r) != 0)
break;
- strcpy(cc->owner, "network");
+ strcpy(cc->owner, network);
cc->perm = 0666;
cc->state = "Closed";
ipzero(cc->laddr);
@@ -681,6 +741,7 @@
"rexexec", 17009,
"ncpu", 17010,
"cpu", 17013,
+ "rcpu", 17019,
"glenglenda1", 17020,
"glenglenda2", 17021,
"glenglenda3", 17022,