1 d3df3087 2003-12-06 devnull #include <u.h>
2 d3df3087 2003-12-06 devnull #include <libc.h>
3 d3df3087 2003-12-06 devnull #include <fcall.h>
4 d3df3087 2003-12-06 devnull #include <thread.h>
5 32f69c36 2003-12-11 devnull #include <errno.h>
7 d9ed7243 2006-04-21 devnull #define err err9pserve /* Darwin x86 */
11 d3df3087 2003-12-06 devnull STACK = 32768,
12 d3df3087 2003-12-06 devnull NHASH = 31,
13 f2466297 2006-05-04 devnull MAXMSG = 64, /* per connection */
14 f2466297 2006-05-04 devnull MAXMSGSIZE = 4*1024*1024
17 d3df3087 2003-12-06 devnull typedef struct Hash Hash;
18 d3df3087 2003-12-06 devnull typedef struct Fid Fid;
19 d3df3087 2003-12-06 devnull typedef struct Msg Msg;
20 d3df3087 2003-12-06 devnull typedef struct Conn Conn;
21 d3df3087 2003-12-06 devnull typedef struct Queue Queue;
23 d3df3087 2003-12-06 devnull struct Hash
25 d3df3087 2003-12-06 devnull Hash *next;
30 d3df3087 2003-12-06 devnull struct Fid
34 d3df3087 2003-12-06 devnull int cfid;
35 21e626de 2004-12-28 devnull int openfd;
36 9777187b 2006-02-03 devnull int offset;
37 9777187b 2006-02-03 devnull int coffset;
38 215993f8 2005-09-13 devnull int isdir;
39 d3df3087 2003-12-06 devnull Fid *next;
42 d3df3087 2003-12-06 devnull struct Msg
45 d3df3087 2003-12-06 devnull int internal;
48 d3df3087 2003-12-06 devnull int ctag;
50 32f69c36 2003-12-11 devnull int isopenfd;
51 d3df3087 2003-12-06 devnull Fcall tx;
52 d3df3087 2003-12-06 devnull Fcall rx;
53 d3df3087 2003-12-06 devnull Fid *fid;
54 d3df3087 2003-12-06 devnull Fid *newfid;
55 d3df3087 2003-12-06 devnull Fid *afid;
56 d3df3087 2003-12-06 devnull Msg *oldm;
57 d3df3087 2003-12-06 devnull Msg *next;
58 d3df3087 2003-12-06 devnull uchar *tpkt;
59 d3df3087 2003-12-06 devnull uchar *rpkt;
62 d3df3087 2003-12-06 devnull struct Conn
65 32f69c36 2003-12-11 devnull int fdmode;
66 32f69c36 2003-12-11 devnull Fid *fdfid;
67 d3df3087 2003-12-06 devnull int nmsg;
68 d3df3087 2003-12-06 devnull int nfid;
69 d3df3087 2003-12-06 devnull Channel *inc;
70 d3df3087 2003-12-06 devnull Channel *internal;
71 d3df3087 2003-12-06 devnull int inputstalled;
72 d3df3087 2003-12-06 devnull char dir[40];
73 d3df3087 2003-12-06 devnull Hash *tag[NHASH];
74 d3df3087 2003-12-06 devnull Hash *fid[NHASH];
75 d3df3087 2003-12-06 devnull Queue *outq;
76 d3df3087 2003-12-06 devnull Queue *inq;
77 841d71b5 2007-08-22 rsc Channel *outqdead;
78 215993f8 2005-09-13 devnull int dotu;
81 5c84c448 2005-03-21 devnull char *xaname;
82 d3df3087 2003-12-06 devnull char *addr;
84 d3df3087 2003-12-06 devnull char adir[40];
85 d3df3087 2003-12-06 devnull int isunix;
86 d3df3087 2003-12-06 devnull Queue *outq;
87 d3df3087 2003-12-06 devnull Queue *inq;
88 05b7f431 2004-03-02 devnull int verbose = 0;
89 e2a1725d 2005-01-04 devnull int logging = 0;
90 5a8e63b2 2004-02-29 devnull int msize = 8192;
91 34e8254f 2005-07-27 devnull u32int xafid = NOFID;
92 5c84c448 2005-03-21 devnull int attached;
93 5c84c448 2005-03-21 devnull int versioned;
94 215993f8 2005-09-13 devnull int dotu;
96 d3df3087 2003-12-06 devnull void *gethash(Hash**, uint);
97 d3df3087 2003-12-06 devnull int puthash(Hash**, uint, void*);
98 d3df3087 2003-12-06 devnull int delhash(Hash**, uint, void*);
99 215993f8 2005-09-13 devnull Msg *mread9p(Ioproc*, int, int);
100 ceb04770 2003-12-09 devnull int mwrite9p(Ioproc*, int, uchar*);
101 ceb04770 2003-12-09 devnull uchar *read9ppkt(Ioproc*, int);
102 d3df3087 2003-12-06 devnull int write9ppkt(int, uchar*);
103 e2a1725d 2005-01-04 devnull Msg *msgnew(int);
104 d3df3087 2003-12-06 devnull void msgput(Msg*);
105 e2a1725d 2005-01-04 devnull void msgclear(Msg*);
106 d3df3087 2003-12-06 devnull Msg *msgget(int);
107 e2a1725d 2005-01-04 devnull void msgincref(Msg*);
108 d3df3087 2003-12-06 devnull Fid *fidnew(int);
109 d3df3087 2003-12-06 devnull void fidput(Fid*);
110 d3df3087 2003-12-06 devnull void *emalloc(int);
111 d3df3087 2003-12-06 devnull void *erealloc(void*, int);
112 ceb04770 2003-12-09 devnull Queue *qalloc(void);
113 d3df3087 2003-12-06 devnull int sendq(Queue*, void*);
114 d3df3087 2003-12-06 devnull void *recvq(Queue*);
115 d3df3087 2003-12-06 devnull void connthread(void*);
116 ceb04770 2003-12-09 devnull void connoutthread(void*);
117 d3df3087 2003-12-06 devnull void listenthread(void*);
118 ceb04770 2003-12-09 devnull void outputthread(void*);
119 ceb04770 2003-12-09 devnull void inputthread(void*);
120 d3df3087 2003-12-06 devnull void rewritehdr(Fcall*, uchar*);
121 215993f8 2005-09-13 devnull void repack(Fcall*, uchar**, int);
122 d3df3087 2003-12-06 devnull int tlisten(char*, char*);
123 d3df3087 2003-12-06 devnull int taccept(int, char*);
124 ceb04770 2003-12-09 devnull int iolisten(Ioproc*, char*, char*);
125 ceb04770 2003-12-09 devnull int ioaccept(Ioproc*, int, char*);
126 32f69c36 2003-12-11 devnull int iorecvfd(Ioproc*, int);
127 32f69c36 2003-12-11 devnull int iosendfd(Ioproc*, int, int);
128 32f69c36 2003-12-11 devnull void mainproc(void*);
129 32f69c36 2003-12-11 devnull int ignorepipe(void*, char*);
130 e2a1725d 2005-01-04 devnull int timefmt(Fmt*);
131 5c84c448 2005-03-21 devnull void dorootstat(void);
132 215993f8 2005-09-13 devnull int stripudirread(Msg*);
133 16c1defa 2005-11-12 devnull int cvtustat(Fcall*, uchar**, int);
136 d3df3087 2003-12-06 devnull usage(void)
138 5c84c448 2005-03-21 devnull fprint(2, "usage: 9pserve [-lv] [-A aname afid] [-M msize] address\n");
139 d3df3087 2003-12-06 devnull fprint(2, "\treads/writes 9P messages on stdin/stdout\n");
140 38c10d1a 2005-01-17 devnull threadexitsall("usage");
143 ceb04770 2003-12-09 devnull uchar vbuf[128];
144 32f69c36 2003-12-11 devnull extern int _threaddebuglevel;
146 d3df3087 2003-12-06 devnull threadmain(int argc, char **argv)
148 3a6f92ee 2005-03-18 devnull char *file, *x;
151 3a6f92ee 2005-03-18 devnull x = getenv("verbose9pserve");
153 3a6f92ee 2005-03-18 devnull verbose = atoi(x);
154 5c84c448 2005-03-21 devnull fprint(2, "verbose9pserve %s => %d\n", x, verbose);
156 d3df3087 2003-12-06 devnull ARGBEGIN{
157 d3df3087 2003-12-06 devnull default:
158 d3df3087 2003-12-06 devnull usage();
159 5c84c448 2005-03-21 devnull case 'A':
160 5c84c448 2005-03-21 devnull attached = 1;
161 5c84c448 2005-03-21 devnull xaname = EARGF(usage());
162 5c84c448 2005-03-21 devnull xafid = atoi(EARGF(usage()));
164 5c84c448 2005-03-21 devnull case 'M':
165 5c84c448 2005-03-21 devnull versioned = 1;
166 5c84c448 2005-03-21 devnull msize = atoi(EARGF(usage()));
168 ceb04770 2003-12-09 devnull case 'v':
169 ceb04770 2003-12-09 devnull verbose++;
171 d3df3087 2003-12-06 devnull case 'u':
172 5c84c448 2005-03-21 devnull isunix++;
174 e2a1725d 2005-01-04 devnull case 'l':
175 e2a1725d 2005-01-04 devnull logging++;
179 5c84c448 2005-03-21 devnull if(attached && !versioned){
180 5c84c448 2005-03-21 devnull fprint(2, "-A must be used with -M\n");
181 5c84c448 2005-03-21 devnull usage();
184 d3df3087 2003-12-06 devnull if(argc != 1)
185 d3df3087 2003-12-06 devnull usage();
186 ceb04770 2003-12-09 devnull addr = argv[0];
188 e2a1725d 2005-01-04 devnull fmtinstall('T', timefmt);
190 d3df3087 2003-12-06 devnull if((afd = announce(addr, adir)) < 0)
191 d3df3087 2003-12-06 devnull sysfatal("announce %s: %r", addr);
192 e2a1725d 2005-01-04 devnull if(logging){
193 e2a1725d 2005-01-04 devnull if(strncmp(addr, "unix!", 5) == 0)
194 e2a1725d 2005-01-04 devnull addr += 5;
195 e2a1725d 2005-01-04 devnull file = smprint("%s.log", addr);
196 e2a1725d 2005-01-04 devnull if(file == nil)
197 e2a1725d 2005-01-04 devnull sysfatal("smprint log: %r");
198 e2a1725d 2005-01-04 devnull if((fd = create(file, OWRITE, 0666)) < 0)
199 e2a1725d 2005-01-04 devnull sysfatal("create %s: %r", file);
200 e2a1725d 2005-01-04 devnull dup(fd, 2);
201 e2a1725d 2005-01-04 devnull if(fd > 2)
202 e2a1725d 2005-01-04 devnull close(fd);
204 e2a1725d 2005-01-04 devnull if(verbose) fprint(2, "%T 9pserve running\n");
205 e2a1725d 2005-01-04 devnull proccreate(mainproc, nil, STACK);
209 32f69c36 2003-12-11 devnull mainproc(void *v)
211 c91bd328 2004-03-05 devnull int n, nn;
212 32f69c36 2003-12-11 devnull Fcall f;
213 32f69c36 2003-12-11 devnull USED(v);
215 32f69c36 2003-12-11 devnull atnotify(ignorepipe, 1);
216 ceb04770 2003-12-09 devnull fmtinstall('D', dirfmt);
217 ceb04770 2003-12-09 devnull fmtinstall('M', dirmodefmt);
218 ceb04770 2003-12-09 devnull fmtinstall('F', fcallfmt);
219 ceb04770 2003-12-09 devnull fmtinstall('H', encodefmt);
221 ceb04770 2003-12-09 devnull outq = qalloc();
222 ceb04770 2003-12-09 devnull inq = qalloc();
224 5c84c448 2005-03-21 devnull if(!versioned){
225 5c84c448 2005-03-21 devnull f.type = Tversion;
226 215993f8 2005-09-13 devnull f.version = "9P2000.u";
227 5c84c448 2005-03-21 devnull f.msize = msize;
228 5c84c448 2005-03-21 devnull f.tag = NOTAG;
229 5c84c448 2005-03-21 devnull n = convS2M(&f, vbuf, sizeof vbuf);
230 9e2f1d9b 2005-11-21 devnull if(n <= BIT16SZ)
231 9e2f1d9b 2005-11-21 devnull sysfatal("convS2M conversion error");
232 5c84c448 2005-03-21 devnull if(verbose > 1) fprint(2, "%T * <- %F\n", &f);
233 5c84c448 2005-03-21 devnull nn = write(1, vbuf, n);
234 5c84c448 2005-03-21 devnull if(n != nn)
235 5c84c448 2005-03-21 devnull sysfatal("error writing Tversion: %r\n");
236 5c84c448 2005-03-21 devnull n = read9pmsg(0, vbuf, sizeof vbuf);
237 f2466297 2006-05-04 devnull if(n < 0)
238 fdd0f841 2006-05-04 devnull sysfatal("read9pmsg failure");
239 5c84c448 2005-03-21 devnull if(convM2S(vbuf, n, &f) != n)
240 5c84c448 2005-03-21 devnull sysfatal("convM2S failure");
241 5c84c448 2005-03-21 devnull if(f.msize < msize)
242 5c84c448 2005-03-21 devnull msize = f.msize;
243 5c84c448 2005-03-21 devnull if(verbose > 1) fprint(2, "%T * -> %F\n", &f);
244 215993f8 2005-09-13 devnull dotu = strncmp(f.version, "9P2000.u", 8) == 0;
247 32f69c36 2003-12-11 devnull threadcreate(inputthread, nil, STACK);
248 32f69c36 2003-12-11 devnull threadcreate(outputthread, nil, STACK);
250 cbeb0b26 2006-04-01 devnull /* if(rootfid) */
251 cbeb0b26 2006-04-01 devnull /* dorootstat(); */
253 ceb04770 2003-12-09 devnull threadcreate(listenthread, nil, STACK);
254 32f69c36 2003-12-11 devnull threadexits(0);
258 32f69c36 2003-12-11 devnull ignorepipe(void *v, char *s)
260 32f69c36 2003-12-11 devnull USED(v);
261 32f69c36 2003-12-11 devnull if(strcmp(s, "sys: write on closed pipe") == 0)
262 32f69c36 2003-12-11 devnull return 1;
263 c042e61e 2005-03-18 devnull if(strcmp(s, "sys: tstp") == 0)
264 6322b295 2007-06-18 devnull return 1;
265 6322b295 2007-06-18 devnull if(strcmp(s, "sys: window size change") == 0)
266 c042e61e 2005-03-18 devnull return 1;
267 c042e61e 2005-03-18 devnull fprint(2, "9pserve %s: %T note: %s\n", addr, s);
268 32f69c36 2003-12-11 devnull return 0;
272 d3df3087 2003-12-06 devnull listenthread(void *arg)
274 d3df3087 2003-12-06 devnull Conn *c;
275 ceb04770 2003-12-09 devnull Ioproc *io;
277 ceb04770 2003-12-09 devnull io = ioproc();
278 d3df3087 2003-12-06 devnull USED(arg);
279 7ffc5208 2004-12-28 devnull threadsetname("listen %s", adir);
280 d3df3087 2003-12-06 devnull for(;;){
281 ceb04770 2003-12-09 devnull c = emalloc(sizeof(Conn));
282 ceb04770 2003-12-09 devnull c->fd = iolisten(io, adir, c->dir);
283 d3df3087 2003-12-06 devnull if(c->fd < 0){
284 e2a1725d 2005-01-04 devnull if(verbose) fprint(2, "%T listen: %r\n");
285 d3df3087 2003-12-06 devnull close(afd);
286 d3df3087 2003-12-06 devnull free(c);
289 32f69c36 2003-12-11 devnull c->inc = chancreate(sizeof(void*), 0);
290 32f69c36 2003-12-11 devnull c->internal = chancreate(sizeof(void*), 0);
291 32f69c36 2003-12-11 devnull c->inq = qalloc();
292 32f69c36 2003-12-11 devnull c->outq = qalloc();
293 841d71b5 2007-08-22 rsc c->outqdead = chancreate(sizeof(void*), 0);
294 e2a1725d 2005-01-04 devnull if(verbose) fprint(2, "%T incoming call on %s\n", c->dir);
295 d3df3087 2003-12-06 devnull threadcreate(connthread, c, STACK);
300 32f69c36 2003-12-11 devnull send9pmsg(Msg *m)
302 d3df3087 2003-12-06 devnull int n, nn;
304 215993f8 2005-09-13 devnull n = sizeS2Mu(&m->rx, m->c->dotu);
305 d3df3087 2003-12-06 devnull m->rpkt = emalloc(n);
306 215993f8 2005-09-13 devnull nn = convS2Mu(&m->rx, m->rpkt, n, m->c->dotu);
307 9e2f1d9b 2005-11-21 devnull if(nn <= BIT16SZ)
308 9e2f1d9b 2005-11-21 devnull sysfatal("convS2Mu conversion error");
309 d3df3087 2003-12-06 devnull if(nn != n)
310 9e2f1d9b 2005-11-21 devnull sysfatal("sizeS2Mu and convS2Mu disagree");
311 d3df3087 2003-12-06 devnull sendq(m->c->outq, m);
315 ceb04770 2003-12-09 devnull sendomsg(Msg *m)
317 ceb04770 2003-12-09 devnull int n, nn;
319 215993f8 2005-09-13 devnull n = sizeS2Mu(&m->tx, m->c->dotu);
320 ceb04770 2003-12-09 devnull m->tpkt = emalloc(n);
321 215993f8 2005-09-13 devnull nn = convS2Mu(&m->tx, m->tpkt, n, m->c->dotu);
322 9e2f1d9b 2005-11-21 devnull if(nn <= BIT16SZ)
323 9e2f1d9b 2005-11-21 devnull sysfatal("convS2Mu conversion error");
324 ceb04770 2003-12-09 devnull if(nn != n)
325 9e2f1d9b 2005-11-21 devnull sysfatal("sizeS2Mu and convS2Mu disagree");
326 ceb04770 2003-12-09 devnull sendq(outq, m);
330 ceb04770 2003-12-09 devnull err(Msg *m, char *ename)
332 ceb04770 2003-12-09 devnull m->rx.type = Rerror;
333 ceb04770 2003-12-09 devnull m->rx.ename = ename;
334 ceb04770 2003-12-09 devnull m->rx.tag = m->tx.tag;
335 32f69c36 2003-12-11 devnull send9pmsg(m);
339 5c84c448 2005-03-21 devnull estrdup(char *s)
341 5c84c448 2005-03-21 devnull char *t;
343 5c84c448 2005-03-21 devnull t = emalloc(strlen(s)+1);
344 5c84c448 2005-03-21 devnull strcpy(t, s);
345 5c84c448 2005-03-21 devnull return t;
349 d3df3087 2003-12-06 devnull connthread(void *arg)
351 d3df3087 2003-12-06 devnull int i, fd;
352 d3df3087 2003-12-06 devnull Conn *c;
353 05b7f431 2004-03-02 devnull Hash *h, *hnext;
354 841d71b5 2007-08-22 rsc Msg *m, *om, *mm, sync;
356 ceb04770 2003-12-09 devnull Ioproc *io;
358 d3df3087 2003-12-06 devnull c = arg;
359 7ffc5208 2004-12-28 devnull threadsetname("conn %s", c->dir);
360 ceb04770 2003-12-09 devnull io = ioproc();
361 ceb04770 2003-12-09 devnull fd = ioaccept(io, c->fd, c->dir);
362 d3df3087 2003-12-06 devnull if(fd < 0){
363 e2a1725d 2005-01-04 devnull if(verbose) fprint(2, "%T accept %s: %r\n", c->dir);
364 d3df3087 2003-12-06 devnull goto out;
366 d3df3087 2003-12-06 devnull close(c->fd);
367 d3df3087 2003-12-06 devnull c->fd = fd;
368 ceb04770 2003-12-09 devnull threadcreate(connoutthread, c, STACK);
369 215993f8 2005-09-13 devnull while((m = mread9p(io, c->fd, c->dotu)) != nil){
370 e2a1725d 2005-01-04 devnull if(verbose > 1) fprint(2, "%T fd#%d -> %F\n", c->fd, &m->tx);
371 d3df3087 2003-12-06 devnull m->c = c;
372 ceb04770 2003-12-09 devnull m->ctag = m->tx.tag;
373 d3df3087 2003-12-06 devnull c->nmsg++;
374 e2a1725d 2005-01-04 devnull if(verbose > 1) fprint(2, "%T fd#%d: new msg %p\n", c->fd, m);
375 d3df3087 2003-12-06 devnull if(puthash(c->tag, m->tx.tag, m) < 0){
376 d3df3087 2003-12-06 devnull err(m, "duplicate tag");
377 d3df3087 2003-12-06 devnull continue;
379 e2a1725d 2005-01-04 devnull msgincref(m);
380 d3df3087 2003-12-06 devnull switch(m->tx.type){
381 ceb04770 2003-12-09 devnull case Tversion:
382 ceb04770 2003-12-09 devnull m->rx.tag = m->tx.tag;
383 ceb04770 2003-12-09 devnull m->rx.msize = m->tx.msize;
384 5a8e63b2 2004-02-29 devnull if(m->rx.msize > msize)
385 5a8e63b2 2004-02-29 devnull m->rx.msize = msize;
386 ceb04770 2003-12-09 devnull m->rx.version = "9P2000";
387 215993f8 2005-09-13 devnull c->dotu = 0;
388 215993f8 2005-09-13 devnull if(dotu && strncmp(m->tx.version, "9P2000.u", 8) == 0){
389 215993f8 2005-09-13 devnull m->rx.version = "9P2000.u";
390 215993f8 2005-09-13 devnull c->dotu = 1;
392 ceb04770 2003-12-09 devnull m->rx.type = Rversion;
393 32f69c36 2003-12-11 devnull send9pmsg(m);
394 ceb04770 2003-12-09 devnull continue;
395 d3df3087 2003-12-06 devnull case Tflush:
396 d3df3087 2003-12-06 devnull if((m->oldm = gethash(c->tag, m->tx.oldtag)) == nil){
397 ceb04770 2003-12-09 devnull m->rx.tag = m->tx.tag;
398 ceb04770 2003-12-09 devnull m->rx.type = Rflush;
399 32f69c36 2003-12-11 devnull send9pmsg(m);
400 d3df3087 2003-12-06 devnull continue;
402 e2a1725d 2005-01-04 devnull msgincref(m->oldm);
404 d3df3087 2003-12-06 devnull case Tattach:
405 ceb04770 2003-12-09 devnull m->afid = nil;
406 ceb04770 2003-12-09 devnull if(m->tx.afid != NOFID
407 ceb04770 2003-12-09 devnull && (m->afid = gethash(c->fid, m->tx.afid)) == nil){
408 ceb04770 2003-12-09 devnull err(m, "unknown fid");
409 ceb04770 2003-12-09 devnull continue;
411 3a6f92ee 2005-03-18 devnull if(m->afid)
412 3a6f92ee 2005-03-18 devnull m->afid->ref++;
413 d3df3087 2003-12-06 devnull m->fid = fidnew(m->tx.fid);
414 d3df3087 2003-12-06 devnull if(puthash(c->fid, m->tx.fid, m->fid) < 0){
415 d3df3087 2003-12-06 devnull err(m, "duplicate fid");
416 d3df3087 2003-12-06 devnull continue;
418 d3df3087 2003-12-06 devnull m->fid->ref++;
419 5c84c448 2005-03-21 devnull if(attached && m->afid==nil){
420 5c84c448 2005-03-21 devnull if(m->tx.aname[0] && strcmp(xaname, m->tx.aname) != 0){
421 5c84c448 2005-03-21 devnull err(m, "invalid attach name");
422 5c84c448 2005-03-21 devnull continue;
424 5c84c448 2005-03-21 devnull m->tx.afid = xafid;
425 5c84c448 2005-03-21 devnull m->tx.aname = xaname;
426 7cb82e15 2006-05-27 devnull m->tx.uname = getuser(); /* what srv.c used */
427 215993f8 2005-09-13 devnull repack(&m->tx, &m->tpkt, c->dotu);
430 d3df3087 2003-12-06 devnull case Twalk:
431 d3df3087 2003-12-06 devnull if((m->fid = gethash(c->fid, m->tx.fid)) == nil){
432 d3df3087 2003-12-06 devnull err(m, "unknown fid");
433 d3df3087 2003-12-06 devnull continue;
435 ceb04770 2003-12-09 devnull m->fid->ref++;
436 d3df3087 2003-12-06 devnull if(m->tx.newfid == m->tx.fid){
437 d3df3087 2003-12-06 devnull m->fid->ref++;
438 d3df3087 2003-12-06 devnull m->newfid = m->fid;
440 d3df3087 2003-12-06 devnull m->newfid = fidnew(m->tx.newfid);
441 d3df3087 2003-12-06 devnull if(puthash(c->fid, m->tx.newfid, m->newfid) < 0){
442 d3df3087 2003-12-06 devnull err(m, "duplicate fid");
443 d3df3087 2003-12-06 devnull continue;
445 d3df3087 2003-12-06 devnull m->newfid->ref++;
448 d3df3087 2003-12-06 devnull case Tauth:
449 5c84c448 2005-03-21 devnull if(attached){
450 5c84c448 2005-03-21 devnull err(m, "authentication not required");
451 5c84c448 2005-03-21 devnull continue;
453 ceb04770 2003-12-09 devnull m->afid = fidnew(m->tx.afid);
454 ceb04770 2003-12-09 devnull if(puthash(c->fid, m->tx.afid, m->afid) < 0){
455 d3df3087 2003-12-06 devnull err(m, "duplicate fid");
456 d3df3087 2003-12-06 devnull continue;
458 ceb04770 2003-12-09 devnull m->afid->ref++;
460 b5c7be2f 2006-03-03 devnull case Tcreate:
461 b5c7be2f 2006-03-03 devnull if(dotu && !c->dotu && (m->tx.perm&(DMSYMLINK|DMDEVICE|DMNAMEDPIPE|DMSOCKET))){
462 b5c7be2f 2006-03-03 devnull err(m, "unsupported file type");
463 b5c7be2f 2006-03-03 devnull continue;
465 b5c7be2f 2006-03-03 devnull goto caseTopen;
466 32f69c36 2003-12-11 devnull case Topenfd:
467 49588d5d 2003-12-17 devnull if(m->tx.mode&~(OTRUNC|3)){
468 49588d5d 2003-12-17 devnull err(m, "bad openfd mode");
469 32f69c36 2003-12-11 devnull continue;
471 32f69c36 2003-12-11 devnull m->isopenfd = 1;
472 32f69c36 2003-12-11 devnull m->tx.type = Topen;
473 32f69c36 2003-12-11 devnull m->tpkt[4] = Topen;
474 32f69c36 2003-12-11 devnull /* fall through */
475 b5c7be2f 2006-03-03 devnull caseTopen:
476 d3df3087 2003-12-06 devnull case Topen:
477 d3df3087 2003-12-06 devnull case Tclunk:
478 d3df3087 2003-12-06 devnull case Tread:
479 d3df3087 2003-12-06 devnull case Twrite:
480 ceb04770 2003-12-09 devnull case Tremove:
481 d3df3087 2003-12-06 devnull case Tstat:
482 d3df3087 2003-12-06 devnull case Twstat:
483 d3df3087 2003-12-06 devnull if((m->fid = gethash(c->fid, m->tx.fid)) == nil){
484 d3df3087 2003-12-06 devnull err(m, "unknown fid");
485 d3df3087 2003-12-06 devnull continue;
487 d3df3087 2003-12-06 devnull m->fid->ref++;
488 215993f8 2005-09-13 devnull if(m->tx.type==Twstat && dotu && !c->dotu){
489 16c1defa 2005-11-12 devnull if(cvtustat(&m->tx, &m->tpkt, 1) < 0){
490 215993f8 2005-09-13 devnull err(m, "cannot convert stat buffer");
491 215993f8 2005-09-13 devnull continue;
494 9777187b 2006-02-03 devnull if(m->tx.type==Tread && m->fid->isdir && dotu && !c->dotu){
495 9777187b 2006-02-03 devnull if(m->tx.offset = m->fid->coffset)
496 9777187b 2006-02-03 devnull m->tx.offset = m->fid->offset;
498 9777187b 2006-02-03 devnull m->fid->offset = m->fid->coffset;
503 d3df3087 2003-12-06 devnull /* have everything - translate and send */
504 d3df3087 2003-12-06 devnull m->c = c;
505 d3df3087 2003-12-06 devnull m->ctag = m->tx.tag;
506 d3df3087 2003-12-06 devnull m->tx.tag = m->tag;
507 d3df3087 2003-12-06 devnull if(m->fid)
508 d3df3087 2003-12-06 devnull m->tx.fid = m->fid->fid;
509 d3df3087 2003-12-06 devnull if(m->newfid)
510 d3df3087 2003-12-06 devnull m->tx.newfid = m->newfid->fid;
511 d3df3087 2003-12-06 devnull if(m->afid)
512 d3df3087 2003-12-06 devnull m->tx.afid = m->afid->fid;
513 d3df3087 2003-12-06 devnull if(m->oldm)
514 d3df3087 2003-12-06 devnull m->tx.oldtag = m->oldm->tag;
515 ceb04770 2003-12-09 devnull /* reference passes to outq */
516 d3df3087 2003-12-06 devnull sendq(outq, m);
517 d3df3087 2003-12-06 devnull while(c->nmsg >= MAXMSG){
518 d3df3087 2003-12-06 devnull c->inputstalled = 1;
519 d3df3087 2003-12-06 devnull recvp(c->inc);
523 e2a1725d 2005-01-04 devnull if(verbose) fprint(2, "%T fd#%d eof; flushing conn\n", c->fd);
525 d3df3087 2003-12-06 devnull /* flush all outstanding messages */
526 d3df3087 2003-12-06 devnull for(i=0; i<NHASH; i++){
527 841d71b5 2007-08-22 rsc while((h = c->tag[i]) != nil){
528 d3df3087 2003-12-06 devnull om = h->v;
529 841d71b5 2007-08-22 rsc msgincref(om); /* for us */
530 e2a1725d 2005-01-04 devnull m = msgnew(0);
531 d3df3087 2003-12-06 devnull m->internal = 1;
532 d3df3087 2003-12-06 devnull m->c = c;
533 32f69c36 2003-12-11 devnull c->nmsg++;
534 d3df3087 2003-12-06 devnull m->tx.type = Tflush;
535 d3df3087 2003-12-06 devnull m->tx.tag = m->tag;
536 d3df3087 2003-12-06 devnull m->tx.oldtag = om->tag;
537 d3df3087 2003-12-06 devnull m->oldm = om;
538 e2a1725d 2005-01-04 devnull msgincref(om);
539 e2a1725d 2005-01-04 devnull msgincref(m); /* for outq */
540 ceb04770 2003-12-09 devnull sendomsg(m);
541 05b7f431 2004-03-02 devnull mm = recvp(c->internal);
542 05b7f431 2004-03-02 devnull assert(mm == m);
543 32f69c36 2003-12-11 devnull msgput(m); /* got from recvp */
544 32f69c36 2003-12-11 devnull msgput(m); /* got from msgnew */
545 ec924708 2007-08-28 rsc if(delhash(c->tag, om->ctag, om) == 0)
546 841d71b5 2007-08-22 rsc msgput(om); /* got from hash table */
547 841d71b5 2007-08-22 rsc msgput(om); /* got from msgincref */
552 841d71b5 2007-08-22 rsc * outputthread has written all its messages
553 841d71b5 2007-08-22 rsc * to the remote connection (because we've gotten all the replies!),
554 841d71b5 2007-08-22 rsc * but it might not have gotten a chance to msgput
555 841d71b5 2007-08-22 rsc * the very last one. sync up to make sure.
557 841d71b5 2007-08-22 rsc memset(&sync, 0, sizeof sync);
558 841d71b5 2007-08-22 rsc sync.sync = 1;
560 841d71b5 2007-08-22 rsc sendq(outq, &sync);
561 841d71b5 2007-08-22 rsc recvp(c->outqdead);
563 841d71b5 2007-08-22 rsc /* everything is quiet; can close the local output queue. */
564 841d71b5 2007-08-22 rsc sendq(c->outq, nil);
565 841d71b5 2007-08-22 rsc recvp(c->outqdead);
567 4a6f0510 2007-08-22 rsc /* should be no messages left anywhere. */
568 4a6f0510 2007-08-22 rsc assert(c->nmsg == 0);
570 d3df3087 2003-12-06 devnull /* clunk all outstanding fids */
571 d3df3087 2003-12-06 devnull for(i=0; i<NHASH; i++){
572 05b7f431 2004-03-02 devnull for(h=c->fid[i]; h; h=hnext){
573 d3df3087 2003-12-06 devnull f = h->v;
574 e2a1725d 2005-01-04 devnull m = msgnew(0);
575 d3df3087 2003-12-06 devnull m->internal = 1;
576 d3df3087 2003-12-06 devnull m->c = c;
577 32f69c36 2003-12-11 devnull c->nmsg++;
578 d3df3087 2003-12-06 devnull m->tx.type = Tclunk;
579 d3df3087 2003-12-06 devnull m->tx.tag = m->tag;
580 d3df3087 2003-12-06 devnull m->tx.fid = f->fid;
581 d3df3087 2003-12-06 devnull m->fid = f;
582 d3df3087 2003-12-06 devnull f->ref++;
583 e2a1725d 2005-01-04 devnull msgincref(m);
584 ceb04770 2003-12-09 devnull sendomsg(m);
585 05b7f431 2004-03-02 devnull mm = recvp(c->internal);
586 05b7f431 2004-03-02 devnull assert(mm == m);
587 e2a1725d 2005-01-04 devnull msgclear(m);
588 32f69c36 2003-12-11 devnull msgput(m); /* got from recvp */
589 32f69c36 2003-12-11 devnull msgput(m); /* got from msgnew */
590 32f69c36 2003-12-11 devnull fidput(f); /* got from hash table */
591 05b7f431 2004-03-02 devnull hnext = h->next;
592 05b7f431 2004-03-02 devnull free(h);
597 e2a1725d 2005-01-04 devnull closeioproc(io);
598 d3df3087 2003-12-06 devnull assert(c->nmsg == 0);
599 d3df3087 2003-12-06 devnull assert(c->nfid == 0);
600 d3df3087 2003-12-06 devnull close(c->fd);
601 32f69c36 2003-12-11 devnull chanfree(c->internal);
602 32f69c36 2003-12-11 devnull c->internal = 0;
603 32f69c36 2003-12-11 devnull chanfree(c->inc);
604 32f69c36 2003-12-11 devnull c->inc = 0;
605 32f69c36 2003-12-11 devnull free(c->inq);
606 32f69c36 2003-12-11 devnull c->inq = 0;
607 d3df3087 2003-12-06 devnull free(c);
610 32f69c36 2003-12-11 devnull static void
611 32f69c36 2003-12-11 devnull openfdthread(void *v)
613 32f69c36 2003-12-11 devnull Conn *c;
614 32f69c36 2003-12-11 devnull Fid *fid;
617 32f69c36 2003-12-11 devnull vlong tot;
618 32f69c36 2003-12-11 devnull Ioproc *io;
619 32f69c36 2003-12-11 devnull char buf[1024];
622 32f69c36 2003-12-11 devnull fid = c->fdfid;
623 32f69c36 2003-12-11 devnull io = ioproc();
624 7ffc5208 2004-12-28 devnull threadsetname("openfd %s", c->fdfid);
625 32f69c36 2003-12-11 devnull tot = 0;
626 05b7f431 2004-03-02 devnull m = nil;
627 32f69c36 2003-12-11 devnull if(c->fdmode == OREAD){
628 32f69c36 2003-12-11 devnull for(;;){
629 e2a1725d 2005-01-04 devnull if(verbose) fprint(2, "%T tread...");
630 e2a1725d 2005-01-04 devnull m = msgnew(0);
631 32f69c36 2003-12-11 devnull m->internal = 1;
632 32f69c36 2003-12-11 devnull m->c = c;
633 32f69c36 2003-12-11 devnull m->tx.type = Tread;
634 5a8e63b2 2004-02-29 devnull m->tx.count = msize - IOHDRSZ;
635 32f69c36 2003-12-11 devnull m->tx.fid = fid->fid;
636 32f69c36 2003-12-11 devnull m->tx.tag = m->tag;
637 32f69c36 2003-12-11 devnull m->tx.offset = tot;
638 32f69c36 2003-12-11 devnull m->fid = fid;
639 32f69c36 2003-12-11 devnull fid->ref++;
640 e2a1725d 2005-01-04 devnull msgincref(m);
641 32f69c36 2003-12-11 devnull sendomsg(m);
642 32f69c36 2003-12-11 devnull recvp(c->internal);
643 49588d5d 2003-12-17 devnull if(m->rx.type == Rerror){
644 cbeb0b26 2006-04-01 devnull /* fprint(2, "%T read error: %s\n", m->rx.ename); */
647 32f69c36 2003-12-11 devnull if(m->rx.count == 0)
649 32f69c36 2003-12-11 devnull tot += m->rx.count;
650 49588d5d 2003-12-17 devnull if(iowrite(io, c->fd, m->rx.data, m->rx.count) != m->rx.count){
651 cbeb0b26 2006-04-01 devnull /* fprint(2, "%T pipe write error: %r\n"); */
654 32f69c36 2003-12-11 devnull msgput(m);
655 32f69c36 2003-12-11 devnull msgput(m);
656 05b7f431 2004-03-02 devnull m = nil;
659 32f69c36 2003-12-11 devnull for(;;){
660 e2a1725d 2005-01-04 devnull if(verbose) fprint(2, "%T twrite...");
661 5a8e63b2 2004-02-29 devnull n = sizeof buf;
662 5a8e63b2 2004-02-29 devnull if(n > msize)
663 5a8e63b2 2004-02-29 devnull n = msize;
664 5a8e63b2 2004-02-29 devnull if((n=ioread(io, c->fd, buf, n)) <= 0){
665 49588d5d 2003-12-17 devnull if(n < 0)
666 e2a1725d 2005-01-04 devnull fprint(2, "%T pipe read error: %r\n");
669 e2a1725d 2005-01-04 devnull m = msgnew(0);
670 32f69c36 2003-12-11 devnull m->internal = 1;
671 32f69c36 2003-12-11 devnull m->c = c;
672 32f69c36 2003-12-11 devnull m->tx.type = Twrite;
673 32f69c36 2003-12-11 devnull m->tx.fid = fid->fid;
674 32f69c36 2003-12-11 devnull m->tx.data = buf;
675 32f69c36 2003-12-11 devnull m->tx.count = n;
676 32f69c36 2003-12-11 devnull m->tx.tag = m->tag;
677 32f69c36 2003-12-11 devnull m->tx.offset = tot;
678 32f69c36 2003-12-11 devnull m->fid = fid;
679 32f69c36 2003-12-11 devnull fid->ref++;
680 e2a1725d 2005-01-04 devnull msgincref(m);
681 32f69c36 2003-12-11 devnull sendomsg(m);
682 32f69c36 2003-12-11 devnull recvp(c->internal);
683 49588d5d 2003-12-17 devnull if(m->rx.type == Rerror){
684 cbeb0b26 2006-04-01 devnull /* fprint(2, "%T write error: %s\n", m->rx.ename); */
686 05b7f431 2004-03-02 devnull tot += n;
687 32f69c36 2003-12-11 devnull msgput(m);
688 32f69c36 2003-12-11 devnull msgput(m);
689 05b7f431 2004-03-02 devnull m = nil;
692 e2a1725d 2005-01-04 devnull if(verbose) fprint(2, "%T eof on %d fid %d\n", c->fd, fid->fid);
693 32f69c36 2003-12-11 devnull close(c->fd);
694 32f69c36 2003-12-11 devnull closeioproc(io);
696 32f69c36 2003-12-11 devnull msgput(m);
697 32f69c36 2003-12-11 devnull msgput(m);
699 e2a1725d 2005-01-04 devnull if(verbose) fprint(2, "%T eof on %d fid %d ref %d\n", c->fd, fid->fid, fid->ref);
700 21e626de 2004-12-28 devnull if(--fid->openfd == 0){
701 e2a1725d 2005-01-04 devnull m = msgnew(0);
702 49588d5d 2003-12-17 devnull m->internal = 1;
703 49588d5d 2003-12-17 devnull m->c = c;
704 49588d5d 2003-12-17 devnull m->tx.type = Tclunk;
705 05b7f431 2004-03-02 devnull m->tx.tag = m->tag;
706 49588d5d 2003-12-17 devnull m->tx.fid = fid->fid;
707 49588d5d 2003-12-17 devnull m->fid = fid;
708 49588d5d 2003-12-17 devnull fid->ref++;
709 e2a1725d 2005-01-04 devnull msgincref(m);
710 49588d5d 2003-12-17 devnull sendomsg(m);
711 49588d5d 2003-12-17 devnull recvp(c->internal);
712 49588d5d 2003-12-17 devnull msgput(m);
713 49588d5d 2003-12-17 devnull msgput(m);
715 32f69c36 2003-12-11 devnull fidput(fid);
716 32f69c36 2003-12-11 devnull c->fdfid = nil;
717 32f69c36 2003-12-11 devnull chanfree(c->internal);
718 32f69c36 2003-12-11 devnull c->internal = 0;
719 32f69c36 2003-12-11 devnull free(c);
723 32f69c36 2003-12-11 devnull xopenfd(Msg *m)
725 32f69c36 2003-12-11 devnull char errs[ERRMAX];
726 32f69c36 2003-12-11 devnull int n, p[2];
727 32f69c36 2003-12-11 devnull Conn *nc;
729 32f69c36 2003-12-11 devnull if(pipe(p) < 0){
730 32f69c36 2003-12-11 devnull rerrstr(errs, sizeof errs);
731 32f69c36 2003-12-11 devnull err(m, errs);
732 21e626de 2004-12-28 devnull /* XXX return here? */
734 e2a1725d 2005-01-04 devnull if(verbose) fprint(2, "%T xopen pipe %d %d...", p[0], p[1]);
736 32f69c36 2003-12-11 devnull /* now we're committed. */
738 32f69c36 2003-12-11 devnull /* a new connection for this fid */
739 32f69c36 2003-12-11 devnull nc = emalloc(sizeof(Conn));
740 32f69c36 2003-12-11 devnull nc->internal = chancreate(sizeof(void*), 0);
742 32f69c36 2003-12-11 devnull /* a ref for us */
743 32f69c36 2003-12-11 devnull nc->fdfid = m->fid;
744 32f69c36 2003-12-11 devnull m->fid->ref++;
745 21e626de 2004-12-28 devnull nc->fdfid->openfd++;
746 32f69c36 2003-12-11 devnull nc->fdmode = m->tx.mode;
747 32f69c36 2003-12-11 devnull nc->fd = p[0];
749 32f69c36 2003-12-11 devnull /* a thread to tend the pipe */
750 32f69c36 2003-12-11 devnull threadcreate(openfdthread, nc, STACK);
752 49588d5d 2003-12-17 devnull /* if mode is ORDWR, that openfdthread will write; start a reader */
753 49588d5d 2003-12-17 devnull if((m->tx.mode&3) == ORDWR){
754 49588d5d 2003-12-17 devnull nc = emalloc(sizeof(Conn));
755 49588d5d 2003-12-17 devnull nc->internal = chancreate(sizeof(void*), 0);
756 49588d5d 2003-12-17 devnull nc->fdfid = m->fid;
757 49588d5d 2003-12-17 devnull m->fid->ref++;
758 21e626de 2004-12-28 devnull nc->fdfid->openfd++;
759 49588d5d 2003-12-17 devnull nc->fdmode = OREAD;
760 49588d5d 2003-12-17 devnull nc->fd = dup(p[0], -1);
761 49588d5d 2003-12-17 devnull threadcreate(openfdthread, nc, STACK);
764 49588d5d 2003-12-17 devnull /* steal fid from other connection */
765 49588d5d 2003-12-17 devnull if(delhash(m->c->fid, m->fid->cfid, m->fid) == 0)
766 49588d5d 2003-12-17 devnull fidput(m->fid);
768 32f69c36 2003-12-11 devnull /* rewrite as Ropenfd */
769 32f69c36 2003-12-11 devnull m->rx.type = Ropenfd;
770 32f69c36 2003-12-11 devnull n = GBIT32(m->rpkt);
771 32f69c36 2003-12-11 devnull m->rpkt = erealloc(m->rpkt, n+4);
772 32f69c36 2003-12-11 devnull PBIT32(m->rpkt+n, p[1]);
774 32f69c36 2003-12-11 devnull PBIT32(m->rpkt, n);
775 32f69c36 2003-12-11 devnull m->rpkt[4] = Ropenfd;
776 32f69c36 2003-12-11 devnull m->rx.unixfd = p[1];
777 32f69c36 2003-12-11 devnull return 0;
781 d3df3087 2003-12-06 devnull connoutthread(void *arg)
783 215993f8 2005-09-13 devnull char *ename;
784 d3df3087 2003-12-06 devnull int err;
785 d3df3087 2003-12-06 devnull Conn *c;
786 d3df3087 2003-12-06 devnull Msg *m, *om;
787 ceb04770 2003-12-09 devnull Ioproc *io;
789 d3df3087 2003-12-06 devnull c = arg;
790 ceb04770 2003-12-09 devnull io = ioproc();
791 7ffc5208 2004-12-28 devnull threadsetname("connout %s", c->dir);
792 841d71b5 2007-08-22 rsc while((m = recvq(c->outq)) != nil){
793 d3df3087 2003-12-06 devnull err = m->tx.type+1 != m->rx.type;
794 32f69c36 2003-12-11 devnull if(!err && m->isopenfd)
795 32f69c36 2003-12-11 devnull if(xopenfd(m) < 0)
796 32f69c36 2003-12-11 devnull continue;
797 d3df3087 2003-12-06 devnull switch(m->tx.type){
798 d3df3087 2003-12-06 devnull case Tflush:
799 d3df3087 2003-12-06 devnull om = m->oldm;
801 ceb04770 2003-12-09 devnull if(delhash(om->c->tag, om->ctag, om) == 0)
802 ceb04770 2003-12-09 devnull msgput(om);
804 d3df3087 2003-12-06 devnull case Tclunk:
805 ceb04770 2003-12-09 devnull case Tremove:
806 ceb04770 2003-12-09 devnull if(m->fid)
807 ceb04770 2003-12-09 devnull if(delhash(m->c->fid, m->fid->cfid, m->fid) == 0)
808 ceb04770 2003-12-09 devnull fidput(m->fid);
810 d3df3087 2003-12-06 devnull case Tauth:
811 ceb04770 2003-12-09 devnull if(err && m->afid){
812 80568494 2005-02-11 devnull if(verbose) fprint(2, "%T auth error\n");
813 ceb04770 2003-12-09 devnull if(delhash(m->c->fid, m->afid->cfid, m->afid) == 0)
814 80568494 2005-02-11 devnull fidput(m->afid);
817 d3df3087 2003-12-06 devnull case Tattach:
818 ceb04770 2003-12-09 devnull if(err && m->fid)
819 d3df3087 2003-12-06 devnull if(delhash(m->c->fid, m->fid->cfid, m->fid) == 0)
820 d3df3087 2003-12-06 devnull fidput(m->fid);
822 d3df3087 2003-12-06 devnull case Twalk:
823 5c84c448 2005-03-21 devnull if(err || m->rx.nwqid < m->tx.nwname)
824 5c84c448 2005-03-21 devnull if(m->tx.fid != m->tx.newfid && m->newfid)
825 d3df3087 2003-12-06 devnull if(delhash(m->c->fid, m->newfid->cfid, m->newfid) == 0)
826 d3df3087 2003-12-06 devnull fidput(m->newfid);
828 215993f8 2005-09-13 devnull case Tread:
829 9777187b 2006-02-03 devnull if(!err && m->fid->isdir && dotu && !m->c->dotu){
830 9777187b 2006-02-03 devnull m->fid->offset += m->rx.count;
831 215993f8 2005-09-13 devnull stripudirread(m);
832 9777187b 2006-02-03 devnull m->fid->coffset += m->rx.count;
835 215993f8 2005-09-13 devnull case Tstat:
836 215993f8 2005-09-13 devnull if(!err && dotu && !m->c->dotu)
837 16c1defa 2005-11-12 devnull cvtustat(&m->rx, &m->rpkt, 0);
839 215993f8 2005-09-13 devnull case Topen:
840 215993f8 2005-09-13 devnull case Tcreate:
841 215993f8 2005-09-13 devnull m->fid->isdir = (m->rx.qid.type & QTDIR);
844 215993f8 2005-09-13 devnull if(m->rx.type==Rerror && dotu && !c->dotu){
845 215993f8 2005-09-13 devnull ename = estrdup(m->rx.ename);
846 215993f8 2005-09-13 devnull m->rx.ename = ename;
847 215993f8 2005-09-13 devnull repack(&m->rx, &m->rpkt, c->dotu);
848 215993f8 2005-09-13 devnull free(ename);
849 16c1defa 2005-11-12 devnull m->rx.ename = "XXX";
851 d3df3087 2003-12-06 devnull if(delhash(m->c->tag, m->ctag, m) == 0)
852 d3df3087 2003-12-06 devnull msgput(m);
853 e2a1725d 2005-01-04 devnull if(verbose > 1) fprint(2, "%T fd#%d <- %F\n", c->fd, &m->rx);
854 ceb04770 2003-12-09 devnull rewritehdr(&m->rx, m->rpkt);
855 ceb04770 2003-12-09 devnull if(mwrite9p(io, c->fd, m->rpkt) < 0)
856 e2a1725d 2005-01-04 devnull if(verbose) fprint(2, "%T write error: %r\n");
857 d3df3087 2003-12-06 devnull msgput(m);
858 d3df3087 2003-12-06 devnull if(c->inputstalled && c->nmsg < MAXMSG)
859 d3df3087 2003-12-06 devnull nbsendp(c->inc, 0);
861 ceb04770 2003-12-09 devnull closeioproc(io);
862 841d71b5 2007-08-22 rsc free(c->outq);
863 05b7f431 2004-03-02 devnull c->outq = nil;
864 841d71b5 2007-08-22 rsc sendp(c->outqdead, nil);
868 d3df3087 2003-12-06 devnull outputthread(void *arg)
871 ceb04770 2003-12-09 devnull Ioproc *io;
873 d3df3087 2003-12-06 devnull USED(arg);
874 ceb04770 2003-12-09 devnull io = ioproc();
875 7ffc5208 2004-12-28 devnull threadsetname("output");
876 d3df3087 2003-12-06 devnull while((m = recvq(outq)) != nil){
877 841d71b5 2007-08-22 rsc if(m->sync){
878 841d71b5 2007-08-22 rsc sendp(m->c->outqdead, nil);
881 e2a1725d 2005-01-04 devnull if(verbose > 1) fprint(2, "%T * <- %F\n", &m->tx);
882 ceb04770 2003-12-09 devnull rewritehdr(&m->tx, m->tpkt);
883 ceb04770 2003-12-09 devnull if(mwrite9p(io, 1, m->tpkt) < 0)
884 d3df3087 2003-12-06 devnull sysfatal("output error: %r");
885 d3df3087 2003-12-06 devnull msgput(m);
887 ceb04770 2003-12-09 devnull closeioproc(io);
888 e2a1725d 2005-01-04 devnull fprint(2, "%T output eof\n");
889 32f69c36 2003-12-11 devnull threadexitsall(0);
893 d3df3087 2003-12-06 devnull inputthread(void *arg)
895 d3df3087 2003-12-06 devnull uchar *pkt;
896 d3df3087 2003-12-06 devnull int n, nn, tag;
898 ceb04770 2003-12-09 devnull Ioproc *io;
900 7ffc5208 2004-12-28 devnull threadsetname("input");
901 e2a1725d 2005-01-04 devnull if(verbose) fprint(2, "%T input thread\n");
902 ceb04770 2003-12-09 devnull io = ioproc();
903 ceb04770 2003-12-09 devnull USED(arg);
904 ceb04770 2003-12-09 devnull while((pkt = read9ppkt(io, 0)) != nil){
905 d3df3087 2003-12-06 devnull n = GBIT32(pkt);
906 d3df3087 2003-12-06 devnull if(n < 7){
907 e2a1725d 2005-01-04 devnull fprint(2, "%T short 9P packet from server\n");
908 d3df3087 2003-12-06 devnull free(pkt);
909 d3df3087 2003-12-06 devnull continue;
911 e2a1725d 2005-01-04 devnull if(verbose > 2) fprint(2, "%T read %.*H\n", n, pkt);
912 d3df3087 2003-12-06 devnull tag = GBIT16(pkt+5);
913 d3df3087 2003-12-06 devnull if((m = msgget(tag)) == nil){
914 e2a1725d 2005-01-04 devnull fprint(2, "%T unexpected 9P response tag %d\n", tag);
915 d3df3087 2003-12-06 devnull free(pkt);
916 d3df3087 2003-12-06 devnull continue;
918 215993f8 2005-09-13 devnull if((nn = convM2Su(pkt, n, &m->rx, dotu)) != n){
919 e2a1725d 2005-01-04 devnull fprint(2, "%T bad packet - convM2S %d but %d\n", nn, n);
920 d3df3087 2003-12-06 devnull free(pkt);
921 d3df3087 2003-12-06 devnull msgput(m);
922 d3df3087 2003-12-06 devnull continue;
924 e2a1725d 2005-01-04 devnull if(verbose > 1) fprint(2, "%T * -> %F%s\n", &m->rx,
925 05b7f431 2004-03-02 devnull m->internal ? " (internal)" : "");
926 d3df3087 2003-12-06 devnull m->rpkt = pkt;
927 d3df3087 2003-12-06 devnull m->rx.tag = m->ctag;
928 ceb04770 2003-12-09 devnull if(m->internal)
929 05b7f431 2004-03-02 devnull sendp(m->c->internal, m);
930 05b7f431 2004-03-02 devnull else if(m->c->outq)
931 ceb04770 2003-12-09 devnull sendq(m->c->outq, m);
933 05b7f431 2004-03-02 devnull msgput(m);
935 ceb04770 2003-12-09 devnull closeioproc(io);
936 cbeb0b26 2006-04-01 devnull /*fprint(2, "%T input eof\n"); */
937 32f69c36 2003-12-11 devnull threadexitsall(0);
941 d3df3087 2003-12-06 devnull gethash(Hash **ht, uint n)
943 d3df3087 2003-12-06 devnull Hash *h;
945 d3df3087 2003-12-06 devnull for(h=ht[n%NHASH]; h; h=h->next)
946 d3df3087 2003-12-06 devnull if(h->n == n)
947 d3df3087 2003-12-06 devnull return h->v;
948 d3df3087 2003-12-06 devnull return nil;
952 d3df3087 2003-12-06 devnull delhash(Hash **ht, uint n, void *v)
954 d3df3087 2003-12-06 devnull Hash *h, **l;
956 d3df3087 2003-12-06 devnull for(l=&ht[n%NHASH]; h=*l; l=&h->next)
957 d3df3087 2003-12-06 devnull if(h->n == n){
958 ceb04770 2003-12-09 devnull if(h->v != v){
959 e2a1725d 2005-01-04 devnull if(verbose) fprint(2, "%T delhash %d got %p want %p\n", n, h->v, v);
960 ceb04770 2003-12-09 devnull return -1;
962 d3df3087 2003-12-06 devnull *l = h->next;
963 d3df3087 2003-12-06 devnull free(h);
964 d3df3087 2003-12-06 devnull return 0;
966 d3df3087 2003-12-06 devnull return -1;
970 d3df3087 2003-12-06 devnull puthash(Hash **ht, uint n, void *v)
972 d3df3087 2003-12-06 devnull Hash *h;
974 d3df3087 2003-12-06 devnull if(gethash(ht, n))
975 d3df3087 2003-12-06 devnull return -1;
976 d3df3087 2003-12-06 devnull h = emalloc(sizeof(Hash));
977 d3df3087 2003-12-06 devnull h->next = ht[n%NHASH];
978 d3df3087 2003-12-06 devnull h->n = n;
979 d3df3087 2003-12-06 devnull h->v = v;
980 d3df3087 2003-12-06 devnull ht[n%NHASH] = h;
981 d3df3087 2003-12-06 devnull return 0;
984 d3df3087 2003-12-06 devnull Fid **fidtab;
985 d3df3087 2003-12-06 devnull int nfidtab;
986 d3df3087 2003-12-06 devnull Fid *freefid;
989 d3df3087 2003-12-06 devnull fidnew(int cfid)
993 d3df3087 2003-12-06 devnull if(freefid == nil){
994 ceb04770 2003-12-09 devnull fidtab = erealloc(fidtab, (nfidtab+1)*sizeof(fidtab[0]));
995 5c84c448 2005-03-21 devnull if(nfidtab == xafid){
996 5c84c448 2005-03-21 devnull fidtab[nfidtab++] = nil;
997 5c84c448 2005-03-21 devnull fidtab = erealloc(fidtab, (nfidtab+1)*sizeof(fidtab[0]));
999 d3df3087 2003-12-06 devnull fidtab[nfidtab] = emalloc(sizeof(Fid));
1000 ceb04770 2003-12-09 devnull freefid = fidtab[nfidtab];
1001 ceb04770 2003-12-09 devnull freefid->fid = nfidtab++;
1003 d3df3087 2003-12-06 devnull f = freefid;
1004 d3df3087 2003-12-06 devnull freefid = f->next;
1005 ceb04770 2003-12-09 devnull f->cfid = cfid;
1006 d3df3087 2003-12-06 devnull f->ref = 1;
1007 9777187b 2006-02-03 devnull f->offset = 0;
1008 9777187b 2006-02-03 devnull f->coffset = 0;
1009 215993f8 2005-09-13 devnull f->isdir = -1;
1010 d3df3087 2003-12-06 devnull return f;
1014 d3df3087 2003-12-06 devnull fidput(Fid *f)
1016 ceb04770 2003-12-09 devnull if(f == nil)
1017 ceb04770 2003-12-09 devnull return;
1018 d3df3087 2003-12-06 devnull assert(f->ref > 0);
1019 d3df3087 2003-12-06 devnull if(--f->ref > 0)
1020 d3df3087 2003-12-06 devnull return;
1021 d3df3087 2003-12-06 devnull f->next = freefid;
1022 d3df3087 2003-12-06 devnull f->cfid = -1;
1023 d3df3087 2003-12-06 devnull freefid = f;
1026 d3df3087 2003-12-06 devnull Msg **msgtab;
1027 d3df3087 2003-12-06 devnull int nmsgtab;
1028 16c1defa 2005-11-12 devnull int nmsg;
1029 d3df3087 2003-12-06 devnull Msg *freemsg;
1032 e2a1725d 2005-01-04 devnull msgincref(Msg *m)
1034 e2a1725d 2005-01-04 devnull if(verbose > 1) fprint(2, "%T msgincref @0x%lux %p tag %d/%d ref %d=>%d\n",
1035 e2a1725d 2005-01-04 devnull getcallerpc(&m), m, m->tag, m->ctag, m->ref, m->ref+1);
1036 e2a1725d 2005-01-04 devnull m->ref++;
1040 e2a1725d 2005-01-04 devnull msgnew(int x)
1042 d3df3087 2003-12-06 devnull Msg *m;
1044 d3df3087 2003-12-06 devnull if(freemsg == nil){
1045 ceb04770 2003-12-09 devnull msgtab = erealloc(msgtab, (nmsgtab+1)*sizeof(msgtab[0]));
1046 d3df3087 2003-12-06 devnull msgtab[nmsgtab] = emalloc(sizeof(Msg));
1047 ceb04770 2003-12-09 devnull freemsg = msgtab[nmsgtab];
1048 ceb04770 2003-12-09 devnull freemsg->tag = nmsgtab++;
1050 d3df3087 2003-12-06 devnull m = freemsg;
1051 d3df3087 2003-12-06 devnull freemsg = m->next;
1052 d3df3087 2003-12-06 devnull m->ref = 1;
1053 e2a1725d 2005-01-04 devnull if(verbose > 1) fprint(2, "%T msgnew @0x%lux %p tag %d ref %d\n",
1054 e2a1725d 2005-01-04 devnull getcallerpc(&x), m, m->tag, m->ref);
1055 16c1defa 2005-11-12 devnull nmsg++;
1056 d3df3087 2003-12-06 devnull return m;
1060 e2a1725d 2005-01-04 devnull * Clear data associated with connections, so that
1061 e2a1725d 2005-01-04 devnull * if all msgs have been msgcleared, the connection
1062 e2a1725d 2005-01-04 devnull * can be freed. Note that this does *not* free the tpkt
1063 e2a1725d 2005-01-04 devnull * and rpkt; they are freed in msgput with the msg itself.
1064 e2a1725d 2005-01-04 devnull * The io write thread might still be holding a ref to msg
1065 e2a1725d 2005-01-04 devnull * even once the connection has finished with it.
1068 e2a1725d 2005-01-04 devnull msgclear(Msg *m)
1070 e2a1725d 2005-01-04 devnull if(m->c){
1071 e2a1725d 2005-01-04 devnull m->c->nmsg--;
1072 e2a1725d 2005-01-04 devnull m->c = nil;
1074 e2a1725d 2005-01-04 devnull if(m->oldm){
1075 e2a1725d 2005-01-04 devnull msgput(m->oldm);
1076 e2a1725d 2005-01-04 devnull m->oldm = nil;
1078 e2a1725d 2005-01-04 devnull if(m->fid){
1079 e2a1725d 2005-01-04 devnull fidput(m->fid);
1080 e2a1725d 2005-01-04 devnull m->fid = nil;
1082 e2a1725d 2005-01-04 devnull if(m->afid){
1083 e2a1725d 2005-01-04 devnull fidput(m->afid);
1084 e2a1725d 2005-01-04 devnull m->afid = nil;
1086 e2a1725d 2005-01-04 devnull if(m->newfid){
1087 e2a1725d 2005-01-04 devnull fidput(m->newfid);
1088 e2a1725d 2005-01-04 devnull m->newfid = nil;
1090 e2a1725d 2005-01-04 devnull if(m->rx.type == Ropenfd && m->rx.unixfd >= 0){
1091 e2a1725d 2005-01-04 devnull close(m->rx.unixfd);
1092 e2a1725d 2005-01-04 devnull m->rx.unixfd = -1;
1097 d3df3087 2003-12-06 devnull msgput(Msg *m)
1099 05b7f431 2004-03-02 devnull if(m == nil)
1100 05b7f431 2004-03-02 devnull return;
1102 e2a1725d 2005-01-04 devnull if(verbose > 1) fprint(2, "%T msgput 0x%lux %p tag %d/%d ref %d\n",
1103 e2a1725d 2005-01-04 devnull getcallerpc(&m), m, m->tag, m->ctag, m->ref);
1104 d3df3087 2003-12-06 devnull assert(m->ref > 0);
1105 d3df3087 2003-12-06 devnull if(--m->ref > 0)
1106 d3df3087 2003-12-06 devnull return;
1107 16c1defa 2005-11-12 devnull nmsg--;
1108 e2a1725d 2005-01-04 devnull msgclear(m);
1109 e2a1725d 2005-01-04 devnull if(m->tpkt){
1110 e2a1725d 2005-01-04 devnull free(m->tpkt);
1111 e2a1725d 2005-01-04 devnull m->tpkt = nil;
1113 e2a1725d 2005-01-04 devnull if(m->rpkt){
1114 e2a1725d 2005-01-04 devnull free(m->rpkt);
1115 e2a1725d 2005-01-04 devnull m->rpkt = nil;
1117 32f69c36 2003-12-11 devnull m->isopenfd = 0;
1118 32f69c36 2003-12-11 devnull m->internal = 0;
1119 d3df3087 2003-12-06 devnull m->next = freemsg;
1120 d3df3087 2003-12-06 devnull freemsg = m;
1124 ceb04770 2003-12-09 devnull msgget(int n)
1126 ceb04770 2003-12-09 devnull Msg *m;
1128 ceb04770 2003-12-09 devnull if(n < 0 || n >= nmsgtab)
1129 ceb04770 2003-12-09 devnull return nil;
1130 ceb04770 2003-12-09 devnull m = msgtab[n];
1131 ceb04770 2003-12-09 devnull if(m->ref == 0)
1132 ceb04770 2003-12-09 devnull return nil;
1133 e2a1725d 2005-01-04 devnull if(verbose) fprint(2, "%T msgget %d = %p\n", n, m);
1134 e2a1725d 2005-01-04 devnull msgincref(m);
1135 ceb04770 2003-12-09 devnull return m;
1140 d3df3087 2003-12-06 devnull emalloc(int n)
1142 d3df3087 2003-12-06 devnull void *v;
1144 d3df3087 2003-12-06 devnull v = mallocz(n, 1);
1145 ceb04770 2003-12-09 devnull if(v == nil){
1146 ceb04770 2003-12-09 devnull abort();
1147 ceb04770 2003-12-09 devnull sysfatal("out of memory allocating %d", n);
1149 d3df3087 2003-12-06 devnull return v;
1153 d3df3087 2003-12-06 devnull erealloc(void *v, int n)
1155 d3df3087 2003-12-06 devnull v = realloc(v, n);
1156 ceb04770 2003-12-09 devnull if(v == nil){
1157 ceb04770 2003-12-09 devnull abort();
1158 ceb04770 2003-12-09 devnull sysfatal("out of memory reallocating %d", n);
1160 d3df3087 2003-12-06 devnull return v;
1163 d3df3087 2003-12-06 devnull typedef struct Qel Qel;
1164 d3df3087 2003-12-06 devnull struct Qel
1166 d3df3087 2003-12-06 devnull Qel *next;
1167 d3df3087 2003-12-06 devnull void *p;
1170 d3df3087 2003-12-06 devnull struct Queue
1172 d3df3087 2003-12-06 devnull QLock lk;
1173 d3df3087 2003-12-06 devnull Rendez r;
1174 d3df3087 2003-12-06 devnull Qel *head;
1175 d3df3087 2003-12-06 devnull Qel *tail;
1179 d3df3087 2003-12-06 devnull qalloc(void)
1181 d3df3087 2003-12-06 devnull Queue *q;
1183 d3df3087 2003-12-06 devnull q = mallocz(sizeof(Queue), 1);
1184 d3df3087 2003-12-06 devnull if(q == nil)
1185 d3df3087 2003-12-06 devnull return nil;
1186 d3df3087 2003-12-06 devnull q->r.l = &q->lk;
1187 d3df3087 2003-12-06 devnull return q;
1191 d3df3087 2003-12-06 devnull sendq(Queue *q, void *p)
1193 d3df3087 2003-12-06 devnull Qel *e;
1195 d3df3087 2003-12-06 devnull e = emalloc(sizeof(Qel));
1196 d3df3087 2003-12-06 devnull qlock(&q->lk);
1197 d3df3087 2003-12-06 devnull e->p = p;
1198 d3df3087 2003-12-06 devnull e->next = nil;
1199 d3df3087 2003-12-06 devnull if(q->head == nil)
1200 d3df3087 2003-12-06 devnull q->head = e;
1202 d3df3087 2003-12-06 devnull q->tail->next = e;
1203 d3df3087 2003-12-06 devnull q->tail = e;
1204 d3df3087 2003-12-06 devnull rwakeup(&q->r);
1205 d3df3087 2003-12-06 devnull qunlock(&q->lk);
1206 d3df3087 2003-12-06 devnull return 0;
1210 d3df3087 2003-12-06 devnull recvq(Queue *q)
1212 d3df3087 2003-12-06 devnull void *p;
1213 d3df3087 2003-12-06 devnull Qel *e;
1215 d3df3087 2003-12-06 devnull qlock(&q->lk);
1216 841d71b5 2007-08-22 rsc while(q->head == nil)
1217 d3df3087 2003-12-06 devnull rsleep(&q->r);
1218 d3df3087 2003-12-06 devnull e = q->head;
1219 d3df3087 2003-12-06 devnull q->head = e->next;
1220 d3df3087 2003-12-06 devnull qunlock(&q->lk);
1221 d3df3087 2003-12-06 devnull p = e->p;
1222 d3df3087 2003-12-06 devnull free(e);
1223 d3df3087 2003-12-06 devnull return p;
1227 ceb04770 2003-12-09 devnull read9ppkt(Ioproc *io, int fd)
1229 ceb04770 2003-12-09 devnull uchar buf[4], *pkt;
1230 ceb04770 2003-12-09 devnull int n, nn;
1232 ceb04770 2003-12-09 devnull n = ioreadn(io, fd, buf, 4);
1233 ceb04770 2003-12-09 devnull if(n != 4)
1234 ceb04770 2003-12-09 devnull return nil;
1235 ceb04770 2003-12-09 devnull n = GBIT32(buf);
1236 f2466297 2006-05-04 devnull if(n > MAXMSGSIZE)
1237 f2466297 2006-05-04 devnull return nil;
1238 ceb04770 2003-12-09 devnull pkt = emalloc(n);
1239 ceb04770 2003-12-09 devnull PBIT32(pkt, n);
1240 ceb04770 2003-12-09 devnull nn = ioreadn(io, fd, pkt+4, n-4);
1241 ceb04770 2003-12-09 devnull if(nn != n-4){
1242 ceb04770 2003-12-09 devnull free(pkt);
1243 ceb04770 2003-12-09 devnull return nil;
1245 32f69c36 2003-12-11 devnull /* would do this if we ever got one of these, but we only generate them
1246 32f69c36 2003-12-11 devnull if(pkt[4] == Ropenfd){
1247 32f69c36 2003-12-11 devnull newfd = iorecvfd(io, fd);
1248 32f69c36 2003-12-11 devnull PBIT32(pkt+n-4, newfd);
1251 ceb04770 2003-12-09 devnull return pkt;
1255 215993f8 2005-09-13 devnull mread9p(Ioproc *io, int fd, int dotu)
1257 ceb04770 2003-12-09 devnull int n, nn;
1258 ceb04770 2003-12-09 devnull uchar *pkt;
1259 ceb04770 2003-12-09 devnull Msg *m;
1261 ceb04770 2003-12-09 devnull if((pkt = read9ppkt(io, fd)) == nil)
1262 ceb04770 2003-12-09 devnull return nil;
1264 e2a1725d 2005-01-04 devnull m = msgnew(0);
1265 ceb04770 2003-12-09 devnull m->tpkt = pkt;
1266 ceb04770 2003-12-09 devnull n = GBIT32(pkt);
1267 215993f8 2005-09-13 devnull nn = convM2Su(pkt, n, &m->tx, dotu);
1268 ceb04770 2003-12-09 devnull if(nn != n){
1269 e2a1725d 2005-01-04 devnull fprint(2, "%T read bad packet from %d\n", fd);
1270 ceb04770 2003-12-09 devnull return nil;
1272 ceb04770 2003-12-09 devnull return m;
1276 ceb04770 2003-12-09 devnull mwrite9p(Ioproc *io, int fd, uchar *pkt)
1278 32f69c36 2003-12-11 devnull int n, nfd;
1280 ceb04770 2003-12-09 devnull n = GBIT32(pkt);
1281 e2a1725d 2005-01-04 devnull if(verbose > 2) fprint(2, "%T write %d %d %.*H\n", fd, n, n, pkt);
1282 bb426e77 2005-01-06 devnull if(verbose > 1) fprint(2, "%T before iowrite\n");
1283 ceb04770 2003-12-09 devnull if(iowrite(io, fd, pkt, n) != n){
1284 e2a1725d 2005-01-04 devnull fprint(2, "%T write error: %r\n");
1285 ceb04770 2003-12-09 devnull return -1;
1287 bb426e77 2005-01-06 devnull if(verbose > 1) fprint(2, "%T after iowrite\n");
1288 32f69c36 2003-12-11 devnull if(pkt[4] == Ropenfd){
1289 32f69c36 2003-12-11 devnull nfd = GBIT32(pkt+n-4);
1290 32f69c36 2003-12-11 devnull if(iosendfd(io, fd, nfd) < 0){
1291 e2a1725d 2005-01-04 devnull fprint(2, "%T send fd error: %r\n");
1292 32f69c36 2003-12-11 devnull return -1;
1295 ceb04770 2003-12-09 devnull return 0;
1299 ceb04770 2003-12-09 devnull restring(uchar *pkt, int pn, char *s)
1303 ceb04770 2003-12-09 devnull if(s < (char*)pkt || s >= (char*)pkt+pn)
1304 ceb04770 2003-12-09 devnull return;
1306 ceb04770 2003-12-09 devnull n = strlen(s);
1307 ceb04770 2003-12-09 devnull memmove(s+1, s, n);
1308 ceb04770 2003-12-09 devnull PBIT16((uchar*)s-1, n);
1312 215993f8 2005-09-13 devnull repack(Fcall *f, uchar **ppkt, int dotu)
1314 5c84c448 2005-03-21 devnull uint n, nn;
1315 5c84c448 2005-03-21 devnull uchar *pkt;
1317 5c84c448 2005-03-21 devnull pkt = *ppkt;
1318 5c84c448 2005-03-21 devnull n = GBIT32(pkt);
1319 215993f8 2005-09-13 devnull nn = sizeS2Mu(f, dotu);
1320 5c84c448 2005-03-21 devnull if(nn > n){
1321 5c84c448 2005-03-21 devnull free(pkt);
1322 5c84c448 2005-03-21 devnull pkt = emalloc(nn);
1323 5c84c448 2005-03-21 devnull *ppkt = pkt;
1325 9e2f1d9b 2005-11-21 devnull n = convS2Mu(f, pkt, nn, dotu);
1326 9e2f1d9b 2005-11-21 devnull if(n <= BIT16SZ)
1327 9e2f1d9b 2005-11-21 devnull sysfatal("convS2M conversion error");
1328 9e2f1d9b 2005-11-21 devnull if(n != nn)
1329 9e2f1d9b 2005-11-21 devnull sysfatal("convS2Mu and sizeS2Mu disagree");
1333 ceb04770 2003-12-09 devnull rewritehdr(Fcall *f, uchar *pkt)
1335 ceb04770 2003-12-09 devnull int i, n;
1337 ceb04770 2003-12-09 devnull n = GBIT32(pkt);
1338 ceb04770 2003-12-09 devnull PBIT16(pkt+5, f->tag);
1339 ceb04770 2003-12-09 devnull switch(f->type){
1340 ceb04770 2003-12-09 devnull case Tversion:
1341 ceb04770 2003-12-09 devnull case Rversion:
1342 ceb04770 2003-12-09 devnull restring(pkt, n, f->version);
1344 ceb04770 2003-12-09 devnull case Tauth:
1345 ceb04770 2003-12-09 devnull PBIT32(pkt+7, f->afid);
1346 ceb04770 2003-12-09 devnull restring(pkt, n, f->uname);
1347 ceb04770 2003-12-09 devnull restring(pkt, n, f->aname);
1349 ceb04770 2003-12-09 devnull case Tflush:
1350 ceb04770 2003-12-09 devnull PBIT16(pkt+7, f->oldtag);
1352 ceb04770 2003-12-09 devnull case Tattach:
1353 ceb04770 2003-12-09 devnull restring(pkt, n, f->uname);
1354 ceb04770 2003-12-09 devnull restring(pkt, n, f->aname);
1355 ceb04770 2003-12-09 devnull PBIT32(pkt+7, f->fid);
1356 ceb04770 2003-12-09 devnull PBIT32(pkt+11, f->afid);
1358 ceb04770 2003-12-09 devnull case Twalk:
1359 ceb04770 2003-12-09 devnull PBIT32(pkt+7, f->fid);
1360 ceb04770 2003-12-09 devnull PBIT32(pkt+11, f->newfid);
1361 ceb04770 2003-12-09 devnull for(i=0; i<f->nwname; i++)
1362 ceb04770 2003-12-09 devnull restring(pkt, n, f->wname[i]);
1364 ceb04770 2003-12-09 devnull case Tcreate:
1365 ceb04770 2003-12-09 devnull restring(pkt, n, f->name);
1366 ceb04770 2003-12-09 devnull /* fall through */
1367 ceb04770 2003-12-09 devnull case Topen:
1368 ceb04770 2003-12-09 devnull case Tclunk:
1369 ceb04770 2003-12-09 devnull case Tremove:
1370 ceb04770 2003-12-09 devnull case Tstat:
1371 ceb04770 2003-12-09 devnull case Twstat:
1372 9777187b 2006-02-03 devnull case Twrite:
1373 ceb04770 2003-12-09 devnull PBIT32(pkt+7, f->fid);
1375 9777187b 2006-02-03 devnull case Tread:
1376 9777187b 2006-02-03 devnull PBIT32(pkt+7, f->fid);
1377 9777187b 2006-02-03 devnull PBIT64(pkt+11, f->offset);
1379 ceb04770 2003-12-09 devnull case Rerror:
1380 ceb04770 2003-12-09 devnull restring(pkt, n, f->ename);
1385 32f69c36 2003-12-11 devnull static long
1386 ceb04770 2003-12-09 devnull _iolisten(va_list *arg)
1388 ceb04770 2003-12-09 devnull char *a, *b;
1390 ceb04770 2003-12-09 devnull a = va_arg(*arg, char*);
1391 ceb04770 2003-12-09 devnull b = va_arg(*arg, char*);
1392 ceb04770 2003-12-09 devnull return listen(a, b);
1396 ceb04770 2003-12-09 devnull iolisten(Ioproc *io, char *a, char *b)
1398 ceb04770 2003-12-09 devnull return iocall(io, _iolisten, a, b);
1401 ceb04770 2003-12-09 devnull static long
1402 ceb04770 2003-12-09 devnull _ioaccept(va_list *arg)
1404 ceb04770 2003-12-09 devnull int fd;
1405 ceb04770 2003-12-09 devnull char *dir;
1407 ceb04770 2003-12-09 devnull fd = va_arg(*arg, int);
1408 ceb04770 2003-12-09 devnull dir = va_arg(*arg, char*);
1409 ceb04770 2003-12-09 devnull return accept(fd, dir);
1413 ceb04770 2003-12-09 devnull ioaccept(Ioproc *io, int fd, char *dir)
1415 ceb04770 2003-12-09 devnull return iocall(io, _ioaccept, fd, dir);
1419 e2a1725d 2005-01-04 devnull timefmt(Fmt *fmt)
1421 e2a1725d 2005-01-04 devnull static char *mon[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun",
1422 e2a1725d 2005-01-04 devnull "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
1423 bb426e77 2005-01-06 devnull vlong ns;
1425 bb426e77 2005-01-06 devnull ns = nsec();
1426 e2a1725d 2005-01-04 devnull tm = *localtime(time(0));
1427 bb426e77 2005-01-06 devnull return fmtprint(fmt, "%s %2d %02d:%02d:%02d.%03d",
1428 bb426e77 2005-01-06 devnull mon[tm.mon], tm.mday, tm.hour, tm.min, tm.sec,
1429 bb426e77 2005-01-06 devnull (int)(ns%1000000000)/1000000);
1433 16c1defa 2005-11-12 devnull cvtustat(Fcall *f, uchar **fpkt, int tounix)
1436 23e7c657 2005-09-13 devnull uchar *buf;
1437 215993f8 2005-09-13 devnull char *str;
1438 215993f8 2005-09-13 devnull Dir dir;
1440 215993f8 2005-09-13 devnull str = emalloc(f->nstat);
1441 16c1defa 2005-11-12 devnull n = convM2Du(f->stat, f->nstat, &dir, str, !tounix);
1442 16c1defa 2005-11-12 devnull if(n <= BIT16SZ){
1443 16c1defa 2005-11-12 devnull free(str);
1444 215993f8 2005-09-13 devnull return -1;
1447 16c1defa 2005-11-12 devnull n = sizeD2Mu(&dir, tounix);
1448 16c1defa 2005-11-12 devnull buf = emalloc(n);
1449 9e2f1d9b 2005-11-21 devnull if(convD2Mu(&dir, buf, n, tounix) != n)
1450 9e2f1d9b 2005-11-21 devnull sysfatal("convD2Mu conversion error");
1451 215993f8 2005-09-13 devnull f->nstat = n;
1452 215993f8 2005-09-13 devnull f->stat = buf;
1454 215993f8 2005-09-13 devnull repack(f, fpkt, dotu);
1455 215993f8 2005-09-13 devnull free(buf);
1456 16c1defa 2005-11-12 devnull f->stat = nil; /* is this okay ??? */
1457 215993f8 2005-09-13 devnull free(str);
1459 215993f8 2005-09-13 devnull return 0;
1463 215993f8 2005-09-13 devnull stripudirread(Msg* msg)
1465 23e7c657 2005-09-13 devnull char *str;
1466 215993f8 2005-09-13 devnull int i, m, n, nn;
1467 23e7c657 2005-09-13 devnull uchar *buf;
1469 215993f8 2005-09-13 devnull Fcall* rx;
1471 215993f8 2005-09-13 devnull buf = nil;
1472 215993f8 2005-09-13 devnull str = nil;
1473 215993f8 2005-09-13 devnull rx = &msg->rx;
1475 215993f8 2005-09-13 devnull nn = 0;
1476 215993f8 2005-09-13 devnull for(i = 0; i < rx->count; i += m){
1477 215993f8 2005-09-13 devnull m = BIT16SZ + GBIT16(&rx->data[i]);
1478 54705b4a 2005-09-13 devnull if(statchecku((uchar*)&rx->data[i], m, 1) < 0)
1479 215993f8 2005-09-13 devnull return -1;
1480 215993f8 2005-09-13 devnull if(nn < m)
1481 215993f8 2005-09-13 devnull nn = m;
1485 215993f8 2005-09-13 devnull str = emalloc(nn);
1486 215993f8 2005-09-13 devnull buf = emalloc(rx->count);
1488 215993f8 2005-09-13 devnull nn = 0;
1489 215993f8 2005-09-13 devnull for(i = 0; i < rx->count; i += m){
1490 215993f8 2005-09-13 devnull m = BIT16SZ + GBIT16(&rx->data[i]);
1491 54705b4a 2005-09-13 devnull if(convM2Du((uchar*)&rx->data[i], m, &d, str, 1) != m){
1492 215993f8 2005-09-13 devnull free(buf);
1493 215993f8 2005-09-13 devnull free(str);
1494 215993f8 2005-09-13 devnull return -1;
1497 215993f8 2005-09-13 devnull n = convD2M(&d, &buf[nn], rx->count - nn);
1498 215993f8 2005-09-13 devnull if(n <= BIT16SZ){
1499 215993f8 2005-09-13 devnull free(buf);
1500 215993f8 2005-09-13 devnull free(str);
1501 215993f8 2005-09-13 devnull return -1;
1504 215993f8 2005-09-13 devnull nn += n;
1507 215993f8 2005-09-13 devnull rx->count = nn;
1508 54705b4a 2005-09-13 devnull rx->data = (char*)buf;
1510 215993f8 2005-09-13 devnull repack(&msg->rx, &msg->rpkt, 0);
1511 215993f8 2005-09-13 devnull free(str);
1512 215993f8 2005-09-13 devnull free(buf);
1513 16c1defa 2005-11-12 devnull rx->data = nil; /* is this okay ??? */
1515 215993f8 2005-09-13 devnull return 0;
