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;
97 d3df3087 2003-12-06 devnull void *gethash(Hash**, uint);
98 d3df3087 2003-12-06 devnull int puthash(Hash**, uint, void*);
99 d3df3087 2003-12-06 devnull int delhash(Hash**, uint, void*);
100 215993f8 2005-09-13 devnull Msg *mread9p(Ioproc*, int, int);
101 ceb04770 2003-12-09 devnull int mwrite9p(Ioproc*, int, uchar*);
102 ceb04770 2003-12-09 devnull uchar *read9ppkt(Ioproc*, int);
103 d3df3087 2003-12-06 devnull int write9ppkt(int, uchar*);
104 e2a1725d 2005-01-04 devnull Msg *msgnew(int);
105 d3df3087 2003-12-06 devnull void msgput(Msg*);
106 e2a1725d 2005-01-04 devnull void msgclear(Msg*);
107 d3df3087 2003-12-06 devnull Msg *msgget(int);
108 e2a1725d 2005-01-04 devnull void msgincref(Msg*);
109 d3df3087 2003-12-06 devnull Fid *fidnew(int);
110 d3df3087 2003-12-06 devnull void fidput(Fid*);
111 d3df3087 2003-12-06 devnull void *emalloc(int);
112 d3df3087 2003-12-06 devnull void *erealloc(void*, int);
113 ceb04770 2003-12-09 devnull Queue *qalloc(void);
114 d3df3087 2003-12-06 devnull int sendq(Queue*, void*);
115 d3df3087 2003-12-06 devnull void *recvq(Queue*);
116 d3df3087 2003-12-06 devnull void connthread(void*);
117 ceb04770 2003-12-09 devnull void connoutthread(void*);
118 d3df3087 2003-12-06 devnull void listenthread(void*);
119 ceb04770 2003-12-09 devnull void outputthread(void*);
120 ceb04770 2003-12-09 devnull void inputthread(void*);
121 d3df3087 2003-12-06 devnull void rewritehdr(Fcall*, uchar*);
122 215993f8 2005-09-13 devnull void repack(Fcall*, uchar**, int);
123 d3df3087 2003-12-06 devnull int tlisten(char*, char*);
124 d3df3087 2003-12-06 devnull int taccept(int, char*);
125 ceb04770 2003-12-09 devnull int iolisten(Ioproc*, char*, char*);
126 ceb04770 2003-12-09 devnull int ioaccept(Ioproc*, int, char*);
127 32f69c36 2003-12-11 devnull int iorecvfd(Ioproc*, int);
128 32f69c36 2003-12-11 devnull int iosendfd(Ioproc*, int, int);
129 32f69c36 2003-12-11 devnull void mainproc(void*);
130 32f69c36 2003-12-11 devnull int ignorepipe(void*, char*);
131 e2a1725d 2005-01-04 devnull int timefmt(Fmt*);
132 5c84c448 2005-03-21 devnull void dorootstat(void);
133 215993f8 2005-09-13 devnull int stripudirread(Msg*);
134 16c1defa 2005-11-12 devnull int cvtustat(Fcall*, uchar**, int);
137 d3df3087 2003-12-06 devnull usage(void)
139 ef6606c7 2008-06-11 rsc fprint(2, "usage: 9pserve [-lnv] [-A aname afid] [-c addr] [-M msize] address\n");
140 d3df3087 2003-12-06 devnull fprint(2, "\treads/writes 9P messages on stdin/stdout\n");
141 38c10d1a 2005-01-17 devnull threadexitsall("usage");
144 ceb04770 2003-12-09 devnull uchar vbuf[128];
145 32f69c36 2003-12-11 devnull extern int _threaddebuglevel;
147 d3df3087 2003-12-06 devnull threadmain(int argc, char **argv)
149 ef6606c7 2008-06-11 rsc char *file, *x, *addr;
152 3a6f92ee 2005-03-18 devnull x = getenv("verbose9pserve");
154 3a6f92ee 2005-03-18 devnull verbose = atoi(x);
155 5c84c448 2005-03-21 devnull fprint(2, "verbose9pserve %s => %d\n", x, verbose);
157 d3df3087 2003-12-06 devnull ARGBEGIN{
158 d3df3087 2003-12-06 devnull default:
159 d3df3087 2003-12-06 devnull usage();
160 5c84c448 2005-03-21 devnull case 'A':
161 5c84c448 2005-03-21 devnull attached = 1;
162 5c84c448 2005-03-21 devnull xaname = EARGF(usage());
163 5c84c448 2005-03-21 devnull xafid = atoi(EARGF(usage()));
165 5c84c448 2005-03-21 devnull case 'M':
166 5c84c448 2005-03-21 devnull versioned = 1;
167 5c84c448 2005-03-21 devnull msize = atoi(EARGF(usage()));
170 ef6606c7 2008-06-11 rsc addr = netmkaddr(EARGF(usage()), "net", "9fs");
171 ef6606c7 2008-06-11 rsc if((fd = dial(addr, nil, nil, nil)) < 0)
172 ef6606c7 2008-06-11 rsc sysfatal("dial %s: %r", addr);
181 ceb04770 2003-12-09 devnull case 'v':
182 ceb04770 2003-12-09 devnull verbose++;
184 d3df3087 2003-12-06 devnull case 'u':
185 5c84c448 2005-03-21 devnull isunix++;
187 e2a1725d 2005-01-04 devnull case 'l':
188 e2a1725d 2005-01-04 devnull logging++;
192 5c84c448 2005-03-21 devnull if(attached && !versioned){
193 5c84c448 2005-03-21 devnull fprint(2, "-A must be used with -M\n");
194 5c84c448 2005-03-21 devnull usage();
197 d3df3087 2003-12-06 devnull if(argc != 1)
198 d3df3087 2003-12-06 devnull usage();
199 ceb04770 2003-12-09 devnull addr = argv[0];
201 e2a1725d 2005-01-04 devnull fmtinstall('T', timefmt);
203 d3df3087 2003-12-06 devnull if((afd = announce(addr, adir)) < 0)
204 d3df3087 2003-12-06 devnull sysfatal("announce %s: %r", addr);
205 e2a1725d 2005-01-04 devnull if(logging){
206 e2a1725d 2005-01-04 devnull if(strncmp(addr, "unix!", 5) == 0)
207 e2a1725d 2005-01-04 devnull addr += 5;
208 e2a1725d 2005-01-04 devnull file = smprint("%s.log", addr);
209 e2a1725d 2005-01-04 devnull if(file == nil)
210 e2a1725d 2005-01-04 devnull sysfatal("smprint log: %r");
211 e2a1725d 2005-01-04 devnull if((fd = create(file, OWRITE, 0666)) < 0)
212 e2a1725d 2005-01-04 devnull sysfatal("create %s: %r", file);
213 e2a1725d 2005-01-04 devnull dup(fd, 2);
214 e2a1725d 2005-01-04 devnull if(fd > 2)
215 e2a1725d 2005-01-04 devnull close(fd);
217 e2a1725d 2005-01-04 devnull if(verbose) fprint(2, "%T 9pserve running\n");
218 e2a1725d 2005-01-04 devnull proccreate(mainproc, nil, STACK);
222 32f69c36 2003-12-11 devnull mainproc(void *v)
224 c91bd328 2004-03-05 devnull int n, nn;
225 32f69c36 2003-12-11 devnull Fcall f;
226 32f69c36 2003-12-11 devnull USED(v);
228 32f69c36 2003-12-11 devnull atnotify(ignorepipe, 1);
229 ceb04770 2003-12-09 devnull fmtinstall('D', dirfmt);
230 ceb04770 2003-12-09 devnull fmtinstall('M', dirmodefmt);
231 ceb04770 2003-12-09 devnull fmtinstall('F', fcallfmt);
232 ceb04770 2003-12-09 devnull fmtinstall('H', encodefmt);
234 ceb04770 2003-12-09 devnull outq = qalloc();
235 ceb04770 2003-12-09 devnull inq = qalloc();
237 5c84c448 2005-03-21 devnull if(!versioned){
238 5c84c448 2005-03-21 devnull f.type = Tversion;
239 215993f8 2005-09-13 devnull f.version = "9P2000.u";
240 5c84c448 2005-03-21 devnull f.msize = msize;
241 5c84c448 2005-03-21 devnull f.tag = NOTAG;
242 5c84c448 2005-03-21 devnull n = convS2M(&f, vbuf, sizeof vbuf);
243 9e2f1d9b 2005-11-21 devnull if(n <= BIT16SZ)
244 9e2f1d9b 2005-11-21 devnull sysfatal("convS2M conversion error");
245 5c84c448 2005-03-21 devnull if(verbose > 1) fprint(2, "%T * <- %F\n", &f);
246 5c84c448 2005-03-21 devnull nn = write(1, vbuf, n);
247 5c84c448 2005-03-21 devnull if(n != nn)
248 5c84c448 2005-03-21 devnull sysfatal("error writing Tversion: %r\n");
249 5c84c448 2005-03-21 devnull n = read9pmsg(0, vbuf, sizeof vbuf);
250 f2466297 2006-05-04 devnull if(n < 0)
251 fdd0f841 2006-05-04 devnull sysfatal("read9pmsg failure");
252 5c84c448 2005-03-21 devnull if(convM2S(vbuf, n, &f) != n)
253 5c84c448 2005-03-21 devnull sysfatal("convM2S failure");
254 5c84c448 2005-03-21 devnull if(f.msize < msize)
255 5c84c448 2005-03-21 devnull msize = f.msize;
256 5c84c448 2005-03-21 devnull if(verbose > 1) fprint(2, "%T * -> %F\n", &f);
257 215993f8 2005-09-13 devnull dotu = strncmp(f.version, "9P2000.u", 8) == 0;
260 32f69c36 2003-12-11 devnull threadcreate(inputthread, nil, STACK);
261 32f69c36 2003-12-11 devnull threadcreate(outputthread, nil, STACK);
263 cbeb0b26 2006-04-01 devnull /* if(rootfid) */
264 cbeb0b26 2006-04-01 devnull /* dorootstat(); */
266 ceb04770 2003-12-09 devnull threadcreate(listenthread, nil, STACK);
267 32f69c36 2003-12-11 devnull threadexits(0);
271 32f69c36 2003-12-11 devnull ignorepipe(void *v, char *s)
273 32f69c36 2003-12-11 devnull USED(v);
274 32f69c36 2003-12-11 devnull if(strcmp(s, "sys: write on closed pipe") == 0)
275 32f69c36 2003-12-11 devnull return 1;
276 c042e61e 2005-03-18 devnull if(strcmp(s, "sys: tstp") == 0)
277 6322b295 2007-06-18 devnull return 1;
278 6322b295 2007-06-18 devnull if(strcmp(s, "sys: window size change") == 0)
279 c042e61e 2005-03-18 devnull return 1;
280 c042e61e 2005-03-18 devnull fprint(2, "9pserve %s: %T note: %s\n", addr, s);
281 32f69c36 2003-12-11 devnull return 0;
285 d3df3087 2003-12-06 devnull listenthread(void *arg)
287 d3df3087 2003-12-06 devnull Conn *c;
288 ceb04770 2003-12-09 devnull Ioproc *io;
290 ceb04770 2003-12-09 devnull io = ioproc();
291 d3df3087 2003-12-06 devnull USED(arg);
292 7ffc5208 2004-12-28 devnull threadsetname("listen %s", adir);
293 d3df3087 2003-12-06 devnull for(;;){
294 ceb04770 2003-12-09 devnull c = emalloc(sizeof(Conn));
295 ceb04770 2003-12-09 devnull c->fd = iolisten(io, adir, c->dir);
296 d3df3087 2003-12-06 devnull if(c->fd < 0){
297 e2a1725d 2005-01-04 devnull if(verbose) fprint(2, "%T listen: %r\n");
298 d3df3087 2003-12-06 devnull close(afd);
299 d3df3087 2003-12-06 devnull free(c);
302 32f69c36 2003-12-11 devnull c->inc = chancreate(sizeof(void*), 0);
303 32f69c36 2003-12-11 devnull c->internal = chancreate(sizeof(void*), 0);
304 32f69c36 2003-12-11 devnull c->inq = qalloc();
305 32f69c36 2003-12-11 devnull c->outq = qalloc();
306 841d71b5 2007-08-22 rsc c->outqdead = chancreate(sizeof(void*), 0);
307 e2a1725d 2005-01-04 devnull if(verbose) fprint(2, "%T incoming call on %s\n", c->dir);
308 d3df3087 2003-12-06 devnull threadcreate(connthread, c, STACK);
313 32f69c36 2003-12-11 devnull send9pmsg(Msg *m)
315 d3df3087 2003-12-06 devnull int n, nn;
317 215993f8 2005-09-13 devnull n = sizeS2Mu(&m->rx, m->c->dotu);
318 d3df3087 2003-12-06 devnull m->rpkt = emalloc(n);
319 215993f8 2005-09-13 devnull nn = convS2Mu(&m->rx, m->rpkt, n, m->c->dotu);
320 9e2f1d9b 2005-11-21 devnull if(nn <= BIT16SZ)
321 9e2f1d9b 2005-11-21 devnull sysfatal("convS2Mu conversion error");
322 d3df3087 2003-12-06 devnull if(nn != n)
323 9e2f1d9b 2005-11-21 devnull sysfatal("sizeS2Mu and convS2Mu disagree");
324 d3df3087 2003-12-06 devnull sendq(m->c->outq, m);
328 ceb04770 2003-12-09 devnull sendomsg(Msg *m)
330 ceb04770 2003-12-09 devnull int n, nn;
332 215993f8 2005-09-13 devnull n = sizeS2Mu(&m->tx, m->c->dotu);
333 ceb04770 2003-12-09 devnull m->tpkt = emalloc(n);
334 215993f8 2005-09-13 devnull nn = convS2Mu(&m->tx, m->tpkt, n, m->c->dotu);
335 9e2f1d9b 2005-11-21 devnull if(nn <= BIT16SZ)
336 9e2f1d9b 2005-11-21 devnull sysfatal("convS2Mu conversion error");
337 ceb04770 2003-12-09 devnull if(nn != n)
338 9e2f1d9b 2005-11-21 devnull sysfatal("sizeS2Mu and convS2Mu disagree");
339 ceb04770 2003-12-09 devnull sendq(outq, m);
343 ceb04770 2003-12-09 devnull err(Msg *m, char *ename)
345 ceb04770 2003-12-09 devnull m->rx.type = Rerror;
346 ceb04770 2003-12-09 devnull m->rx.ename = ename;
347 ceb04770 2003-12-09 devnull m->rx.tag = m->tx.tag;
348 32f69c36 2003-12-11 devnull send9pmsg(m);
352 5c84c448 2005-03-21 devnull estrdup(char *s)
354 5c84c448 2005-03-21 devnull char *t;
356 5c84c448 2005-03-21 devnull t = emalloc(strlen(s)+1);
357 5c84c448 2005-03-21 devnull strcpy(t, s);
358 5c84c448 2005-03-21 devnull return t;
362 d3df3087 2003-12-06 devnull connthread(void *arg)
364 d3df3087 2003-12-06 devnull int i, fd;
365 d3df3087 2003-12-06 devnull Conn *c;
366 05b7f431 2004-03-02 devnull Hash *h, *hnext;
367 841d71b5 2007-08-22 rsc Msg *m, *om, *mm, sync;
369 ceb04770 2003-12-09 devnull Ioproc *io;
371 d3df3087 2003-12-06 devnull c = arg;
372 7ffc5208 2004-12-28 devnull threadsetname("conn %s", c->dir);
373 ceb04770 2003-12-09 devnull io = ioproc();
374 ceb04770 2003-12-09 devnull fd = ioaccept(io, c->fd, c->dir);
375 d3df3087 2003-12-06 devnull if(fd < 0){
376 e2a1725d 2005-01-04 devnull if(verbose) fprint(2, "%T accept %s: %r\n", c->dir);
377 d3df3087 2003-12-06 devnull goto out;
379 d3df3087 2003-12-06 devnull close(c->fd);
380 d3df3087 2003-12-06 devnull c->fd = fd;
381 ceb04770 2003-12-09 devnull threadcreate(connoutthread, c, STACK);
382 215993f8 2005-09-13 devnull while((m = mread9p(io, c->fd, c->dotu)) != nil){
383 e2a1725d 2005-01-04 devnull if(verbose > 1) fprint(2, "%T fd#%d -> %F\n", c->fd, &m->tx);
384 d3df3087 2003-12-06 devnull m->c = c;
385 ceb04770 2003-12-09 devnull m->ctag = m->tx.tag;
386 d3df3087 2003-12-06 devnull c->nmsg++;
387 e2a1725d 2005-01-04 devnull if(verbose > 1) fprint(2, "%T fd#%d: new msg %p\n", c->fd, m);
388 d3df3087 2003-12-06 devnull if(puthash(c->tag, m->tx.tag, m) < 0){
389 d3df3087 2003-12-06 devnull err(m, "duplicate tag");
390 d3df3087 2003-12-06 devnull continue;
392 e2a1725d 2005-01-04 devnull msgincref(m);
393 d3df3087 2003-12-06 devnull switch(m->tx.type){
394 ceb04770 2003-12-09 devnull case Tversion:
395 ceb04770 2003-12-09 devnull m->rx.tag = m->tx.tag;
396 ceb04770 2003-12-09 devnull m->rx.msize = m->tx.msize;
397 5a8e63b2 2004-02-29 devnull if(m->rx.msize > msize)
398 5a8e63b2 2004-02-29 devnull m->rx.msize = msize;
399 ceb04770 2003-12-09 devnull m->rx.version = "9P2000";
400 215993f8 2005-09-13 devnull c->dotu = 0;
401 215993f8 2005-09-13 devnull if(dotu && strncmp(m->tx.version, "9P2000.u", 8) == 0){
402 215993f8 2005-09-13 devnull m->rx.version = "9P2000.u";
403 215993f8 2005-09-13 devnull c->dotu = 1;
405 ceb04770 2003-12-09 devnull m->rx.type = Rversion;
406 32f69c36 2003-12-11 devnull send9pmsg(m);
407 ceb04770 2003-12-09 devnull continue;
408 d3df3087 2003-12-06 devnull case Tflush:
409 d3df3087 2003-12-06 devnull if((m->oldm = gethash(c->tag, m->tx.oldtag)) == nil){
410 ceb04770 2003-12-09 devnull m->rx.tag = m->tx.tag;
411 ceb04770 2003-12-09 devnull m->rx.type = Rflush;
412 32f69c36 2003-12-11 devnull send9pmsg(m);
413 d3df3087 2003-12-06 devnull continue;
415 e2a1725d 2005-01-04 devnull msgincref(m->oldm);
417 d3df3087 2003-12-06 devnull case Tattach:
418 ceb04770 2003-12-09 devnull m->afid = nil;
419 ceb04770 2003-12-09 devnull if(m->tx.afid != NOFID
420 ceb04770 2003-12-09 devnull && (m->afid = gethash(c->fid, m->tx.afid)) == nil){
421 ceb04770 2003-12-09 devnull err(m, "unknown fid");
422 ceb04770 2003-12-09 devnull continue;
424 3a6f92ee 2005-03-18 devnull if(m->afid)
425 3a6f92ee 2005-03-18 devnull m->afid->ref++;
426 d3df3087 2003-12-06 devnull m->fid = fidnew(m->tx.fid);
427 d3df3087 2003-12-06 devnull if(puthash(c->fid, m->tx.fid, m->fid) < 0){
428 d3df3087 2003-12-06 devnull err(m, "duplicate fid");
429 d3df3087 2003-12-06 devnull continue;
431 d3df3087 2003-12-06 devnull m->fid->ref++;
432 5c84c448 2005-03-21 devnull if(attached && m->afid==nil){
433 5c84c448 2005-03-21 devnull if(m->tx.aname[0] && strcmp(xaname, m->tx.aname) != 0){
434 5c84c448 2005-03-21 devnull err(m, "invalid attach name");
435 5c84c448 2005-03-21 devnull continue;
437 5c84c448 2005-03-21 devnull m->tx.afid = xafid;
438 5c84c448 2005-03-21 devnull m->tx.aname = xaname;
439 7cb82e15 2006-05-27 devnull m->tx.uname = getuser(); /* what srv.c used */
440 215993f8 2005-09-13 devnull repack(&m->tx, &m->tpkt, c->dotu);
443 d3df3087 2003-12-06 devnull case Twalk:
444 d3df3087 2003-12-06 devnull if((m->fid = gethash(c->fid, m->tx.fid)) == nil){
445 d3df3087 2003-12-06 devnull err(m, "unknown fid");
446 d3df3087 2003-12-06 devnull continue;
448 ceb04770 2003-12-09 devnull m->fid->ref++;
449 d3df3087 2003-12-06 devnull if(m->tx.newfid == m->tx.fid){
450 d3df3087 2003-12-06 devnull m->fid->ref++;
451 d3df3087 2003-12-06 devnull m->newfid = m->fid;
453 d3df3087 2003-12-06 devnull m->newfid = fidnew(m->tx.newfid);
454 d3df3087 2003-12-06 devnull if(puthash(c->fid, m->tx.newfid, m->newfid) < 0){
455 d3df3087 2003-12-06 devnull err(m, "duplicate fid");
456 d3df3087 2003-12-06 devnull continue;
458 d3df3087 2003-12-06 devnull m->newfid->ref++;
461 d3df3087 2003-12-06 devnull case Tauth:
462 5c84c448 2005-03-21 devnull if(attached){
463 5c84c448 2005-03-21 devnull err(m, "authentication not required");
467 9b253297 2007-10-12 rsc err(m, "authentication rejected");
468 5c84c448 2005-03-21 devnull continue;
470 ceb04770 2003-12-09 devnull m->afid = fidnew(m->tx.afid);
471 ceb04770 2003-12-09 devnull if(puthash(c->fid, m->tx.afid, m->afid) < 0){
472 d3df3087 2003-12-06 devnull err(m, "duplicate fid");
473 d3df3087 2003-12-06 devnull continue;
475 ceb04770 2003-12-09 devnull m->afid->ref++;
477 b5c7be2f 2006-03-03 devnull case Tcreate:
478 b5c7be2f 2006-03-03 devnull if(dotu && !c->dotu && (m->tx.perm&(DMSYMLINK|DMDEVICE|DMNAMEDPIPE|DMSOCKET))){
479 b5c7be2f 2006-03-03 devnull err(m, "unsupported file type");
480 b5c7be2f 2006-03-03 devnull continue;
482 b5c7be2f 2006-03-03 devnull goto caseTopen;
483 32f69c36 2003-12-11 devnull case Topenfd:
484 49588d5d 2003-12-17 devnull if(m->tx.mode&~(OTRUNC|3)){
485 49588d5d 2003-12-17 devnull err(m, "bad openfd mode");
486 32f69c36 2003-12-11 devnull continue;
488 32f69c36 2003-12-11 devnull m->isopenfd = 1;
489 32f69c36 2003-12-11 devnull m->tx.type = Topen;
490 32f69c36 2003-12-11 devnull m->tpkt[4] = Topen;
491 32f69c36 2003-12-11 devnull /* fall through */
492 b5c7be2f 2006-03-03 devnull caseTopen:
493 d3df3087 2003-12-06 devnull case Topen:
494 d3df3087 2003-12-06 devnull case Tclunk:
495 d3df3087 2003-12-06 devnull case Tread:
496 d3df3087 2003-12-06 devnull case Twrite:
497 ceb04770 2003-12-09 devnull case Tremove:
498 d3df3087 2003-12-06 devnull case Tstat:
499 d3df3087 2003-12-06 devnull case Twstat:
500 d3df3087 2003-12-06 devnull if((m->fid = gethash(c->fid, m->tx.fid)) == nil){
501 d3df3087 2003-12-06 devnull err(m, "unknown fid");
502 d3df3087 2003-12-06 devnull continue;
504 d3df3087 2003-12-06 devnull m->fid->ref++;
505 215993f8 2005-09-13 devnull if(m->tx.type==Twstat && dotu && !c->dotu){
506 16c1defa 2005-11-12 devnull if(cvtustat(&m->tx, &m->tpkt, 1) < 0){
507 215993f8 2005-09-13 devnull err(m, "cannot convert stat buffer");
508 215993f8 2005-09-13 devnull continue;
511 9777187b 2006-02-03 devnull if(m->tx.type==Tread && m->fid->isdir && dotu && !c->dotu){
512 9777187b 2006-02-03 devnull if(m->tx.offset = m->fid->coffset)
513 9777187b 2006-02-03 devnull m->tx.offset = m->fid->offset;
515 9777187b 2006-02-03 devnull m->fid->offset = m->fid->coffset;
520 d3df3087 2003-12-06 devnull /* have everything - translate and send */
521 d3df3087 2003-12-06 devnull m->c = c;
522 d3df3087 2003-12-06 devnull m->ctag = m->tx.tag;
523 d3df3087 2003-12-06 devnull m->tx.tag = m->tag;
524 d3df3087 2003-12-06 devnull if(m->fid)
525 d3df3087 2003-12-06 devnull m->tx.fid = m->fid->fid;
526 d3df3087 2003-12-06 devnull if(m->newfid)
527 d3df3087 2003-12-06 devnull m->tx.newfid = m->newfid->fid;
528 d3df3087 2003-12-06 devnull if(m->afid)
529 d3df3087 2003-12-06 devnull m->tx.afid = m->afid->fid;
530 d3df3087 2003-12-06 devnull if(m->oldm)
531 d3df3087 2003-12-06 devnull m->tx.oldtag = m->oldm->tag;
532 ceb04770 2003-12-09 devnull /* reference passes to outq */
533 d3df3087 2003-12-06 devnull sendq(outq, m);
534 d3df3087 2003-12-06 devnull while(c->nmsg >= MAXMSG){
535 d3df3087 2003-12-06 devnull c->inputstalled = 1;
536 d3df3087 2003-12-06 devnull recvp(c->inc);
540 e2a1725d 2005-01-04 devnull if(verbose) fprint(2, "%T fd#%d eof; flushing conn\n", c->fd);
542 d3df3087 2003-12-06 devnull /* flush all outstanding messages */
543 d3df3087 2003-12-06 devnull for(i=0; i<NHASH; i++){
544 841d71b5 2007-08-22 rsc while((h = c->tag[i]) != nil){
545 d3df3087 2003-12-06 devnull om = h->v;
546 841d71b5 2007-08-22 rsc msgincref(om); /* for us */
547 e2a1725d 2005-01-04 devnull m = msgnew(0);
548 d3df3087 2003-12-06 devnull m->internal = 1;
549 d3df3087 2003-12-06 devnull m->c = c;
550 32f69c36 2003-12-11 devnull c->nmsg++;
551 d3df3087 2003-12-06 devnull m->tx.type = Tflush;
552 d3df3087 2003-12-06 devnull m->tx.tag = m->tag;
553 d3df3087 2003-12-06 devnull m->tx.oldtag = om->tag;
554 d3df3087 2003-12-06 devnull m->oldm = om;
555 e2a1725d 2005-01-04 devnull msgincref(om);
556 e2a1725d 2005-01-04 devnull msgincref(m); /* for outq */
557 ceb04770 2003-12-09 devnull sendomsg(m);
558 05b7f431 2004-03-02 devnull mm = recvp(c->internal);
559 05b7f431 2004-03-02 devnull assert(mm == m);
560 32f69c36 2003-12-11 devnull msgput(m); /* got from recvp */
561 32f69c36 2003-12-11 devnull msgput(m); /* got from msgnew */
562 ec924708 2007-08-28 rsc if(delhash(c->tag, om->ctag, om) == 0)
563 841d71b5 2007-08-22 rsc msgput(om); /* got from hash table */
564 841d71b5 2007-08-22 rsc msgput(om); /* got from msgincref */
569 841d71b5 2007-08-22 rsc * outputthread has written all its messages
570 841d71b5 2007-08-22 rsc * to the remote connection (because we've gotten all the replies!),
571 841d71b5 2007-08-22 rsc * but it might not have gotten a chance to msgput
572 841d71b5 2007-08-22 rsc * the very last one. sync up to make sure.
574 841d71b5 2007-08-22 rsc memset(&sync, 0, sizeof sync);
575 841d71b5 2007-08-22 rsc sync.sync = 1;
577 841d71b5 2007-08-22 rsc sendq(outq, &sync);
578 841d71b5 2007-08-22 rsc recvp(c->outqdead);
580 841d71b5 2007-08-22 rsc /* everything is quiet; can close the local output queue. */
581 841d71b5 2007-08-22 rsc sendq(c->outq, nil);
582 841d71b5 2007-08-22 rsc recvp(c->outqdead);
584 4a6f0510 2007-08-22 rsc /* should be no messages left anywhere. */
585 4a6f0510 2007-08-22 rsc assert(c->nmsg == 0);
587 d3df3087 2003-12-06 devnull /* clunk all outstanding fids */
588 d3df3087 2003-12-06 devnull for(i=0; i<NHASH; i++){
589 05b7f431 2004-03-02 devnull for(h=c->fid[i]; h; h=hnext){
590 d3df3087 2003-12-06 devnull f = h->v;
591 e2a1725d 2005-01-04 devnull m = msgnew(0);
592 d3df3087 2003-12-06 devnull m->internal = 1;
593 d3df3087 2003-12-06 devnull m->c = c;
594 32f69c36 2003-12-11 devnull c->nmsg++;
595 d3df3087 2003-12-06 devnull m->tx.type = Tclunk;
596 d3df3087 2003-12-06 devnull m->tx.tag = m->tag;
597 d3df3087 2003-12-06 devnull m->tx.fid = f->fid;
598 d3df3087 2003-12-06 devnull m->fid = f;
599 d3df3087 2003-12-06 devnull f->ref++;
600 e2a1725d 2005-01-04 devnull msgincref(m);
601 ceb04770 2003-12-09 devnull sendomsg(m);
602 05b7f431 2004-03-02 devnull mm = recvp(c->internal);
603 05b7f431 2004-03-02 devnull assert(mm == m);
604 e2a1725d 2005-01-04 devnull msgclear(m);
605 32f69c36 2003-12-11 devnull msgput(m); /* got from recvp */
606 32f69c36 2003-12-11 devnull msgput(m); /* got from msgnew */
607 32f69c36 2003-12-11 devnull fidput(f); /* got from hash table */
608 05b7f431 2004-03-02 devnull hnext = h->next;
609 05b7f431 2004-03-02 devnull free(h);
614 e2a1725d 2005-01-04 devnull closeioproc(io);
615 d3df3087 2003-12-06 devnull assert(c->nmsg == 0);
616 d3df3087 2003-12-06 devnull assert(c->nfid == 0);
617 d3df3087 2003-12-06 devnull close(c->fd);
618 32f69c36 2003-12-11 devnull chanfree(c->internal);
619 32f69c36 2003-12-11 devnull c->internal = 0;
620 32f69c36 2003-12-11 devnull chanfree(c->inc);
621 32f69c36 2003-12-11 devnull c->inc = 0;
622 32f69c36 2003-12-11 devnull free(c->inq);
623 32f69c36 2003-12-11 devnull c->inq = 0;
624 d3df3087 2003-12-06 devnull free(c);
627 32f69c36 2003-12-11 devnull static void
628 32f69c36 2003-12-11 devnull openfdthread(void *v)
630 32f69c36 2003-12-11 devnull Conn *c;
631 32f69c36 2003-12-11 devnull Fid *fid;
634 32f69c36 2003-12-11 devnull vlong tot;
635 32f69c36 2003-12-11 devnull Ioproc *io;
636 32f69c36 2003-12-11 devnull char buf[1024];
639 32f69c36 2003-12-11 devnull fid = c->fdfid;
640 32f69c36 2003-12-11 devnull io = ioproc();
641 7ffc5208 2004-12-28 devnull threadsetname("openfd %s", c->fdfid);
642 32f69c36 2003-12-11 devnull tot = 0;
643 05b7f431 2004-03-02 devnull m = nil;
644 32f69c36 2003-12-11 devnull if(c->fdmode == OREAD){
645 32f69c36 2003-12-11 devnull for(;;){
646 e2a1725d 2005-01-04 devnull if(verbose) fprint(2, "%T tread...");
647 e2a1725d 2005-01-04 devnull m = msgnew(0);
648 32f69c36 2003-12-11 devnull m->internal = 1;
649 32f69c36 2003-12-11 devnull m->c = c;
650 32f69c36 2003-12-11 devnull m->tx.type = Tread;
651 5a8e63b2 2004-02-29 devnull m->tx.count = msize - IOHDRSZ;
652 32f69c36 2003-12-11 devnull m->tx.fid = fid->fid;
653 32f69c36 2003-12-11 devnull m->tx.tag = m->tag;
654 32f69c36 2003-12-11 devnull m->tx.offset = tot;
655 32f69c36 2003-12-11 devnull m->fid = fid;
656 32f69c36 2003-12-11 devnull fid->ref++;
657 e2a1725d 2005-01-04 devnull msgincref(m);
658 32f69c36 2003-12-11 devnull sendomsg(m);
659 32f69c36 2003-12-11 devnull recvp(c->internal);
660 49588d5d 2003-12-17 devnull if(m->rx.type == Rerror){
661 cbeb0b26 2006-04-01 devnull /* fprint(2, "%T read error: %s\n", m->rx.ename); */
664 32f69c36 2003-12-11 devnull if(m->rx.count == 0)
666 32f69c36 2003-12-11 devnull tot += m->rx.count;
667 49588d5d 2003-12-17 devnull if(iowrite(io, c->fd, m->rx.data, m->rx.count) != m->rx.count){
668 cbeb0b26 2006-04-01 devnull /* fprint(2, "%T pipe write error: %r\n"); */
671 32f69c36 2003-12-11 devnull msgput(m);
672 32f69c36 2003-12-11 devnull msgput(m);
673 05b7f431 2004-03-02 devnull m = nil;
676 32f69c36 2003-12-11 devnull for(;;){
677 e2a1725d 2005-01-04 devnull if(verbose) fprint(2, "%T twrite...");
678 5a8e63b2 2004-02-29 devnull n = sizeof buf;
679 5a8e63b2 2004-02-29 devnull if(n > msize)
680 5a8e63b2 2004-02-29 devnull n = msize;
681 5a8e63b2 2004-02-29 devnull if((n=ioread(io, c->fd, buf, n)) <= 0){
682 49588d5d 2003-12-17 devnull if(n < 0)
683 e2a1725d 2005-01-04 devnull fprint(2, "%T pipe read error: %r\n");
686 e2a1725d 2005-01-04 devnull m = msgnew(0);
687 32f69c36 2003-12-11 devnull m->internal = 1;
688 32f69c36 2003-12-11 devnull m->c = c;
689 32f69c36 2003-12-11 devnull m->tx.type = Twrite;
690 32f69c36 2003-12-11 devnull m->tx.fid = fid->fid;
691 32f69c36 2003-12-11 devnull m->tx.data = buf;
692 32f69c36 2003-12-11 devnull m->tx.count = n;
693 32f69c36 2003-12-11 devnull m->tx.tag = m->tag;
694 32f69c36 2003-12-11 devnull m->tx.offset = tot;
695 32f69c36 2003-12-11 devnull m->fid = fid;
696 32f69c36 2003-12-11 devnull fid->ref++;
697 e2a1725d 2005-01-04 devnull msgincref(m);
698 32f69c36 2003-12-11 devnull sendomsg(m);
699 32f69c36 2003-12-11 devnull recvp(c->internal);
700 49588d5d 2003-12-17 devnull if(m->rx.type == Rerror){
701 cbeb0b26 2006-04-01 devnull /* fprint(2, "%T write error: %s\n", m->rx.ename); */
703 05b7f431 2004-03-02 devnull tot += n;
704 32f69c36 2003-12-11 devnull msgput(m);
705 32f69c36 2003-12-11 devnull msgput(m);
706 05b7f431 2004-03-02 devnull m = nil;
709 e2a1725d 2005-01-04 devnull if(verbose) fprint(2, "%T eof on %d fid %d\n", c->fd, fid->fid);
710 32f69c36 2003-12-11 devnull close(c->fd);
711 32f69c36 2003-12-11 devnull closeioproc(io);
713 32f69c36 2003-12-11 devnull msgput(m);
714 32f69c36 2003-12-11 devnull msgput(m);
716 e2a1725d 2005-01-04 devnull if(verbose) fprint(2, "%T eof on %d fid %d ref %d\n", c->fd, fid->fid, fid->ref);
717 21e626de 2004-12-28 devnull if(--fid->openfd == 0){
718 e2a1725d 2005-01-04 devnull m = msgnew(0);
719 49588d5d 2003-12-17 devnull m->internal = 1;
720 49588d5d 2003-12-17 devnull m->c = c;
721 49588d5d 2003-12-17 devnull m->tx.type = Tclunk;
722 05b7f431 2004-03-02 devnull m->tx.tag = m->tag;
723 49588d5d 2003-12-17 devnull m->tx.fid = fid->fid;
724 49588d5d 2003-12-17 devnull m->fid = fid;
725 49588d5d 2003-12-17 devnull fid->ref++;
726 e2a1725d 2005-01-04 devnull msgincref(m);
727 49588d5d 2003-12-17 devnull sendomsg(m);
728 49588d5d 2003-12-17 devnull recvp(c->internal);
729 49588d5d 2003-12-17 devnull msgput(m);
730 49588d5d 2003-12-17 devnull msgput(m);
732 32f69c36 2003-12-11 devnull fidput(fid);
733 32f69c36 2003-12-11 devnull c->fdfid = nil;
734 32f69c36 2003-12-11 devnull chanfree(c->internal);
735 32f69c36 2003-12-11 devnull c->internal = 0;
736 32f69c36 2003-12-11 devnull free(c);
740 32f69c36 2003-12-11 devnull xopenfd(Msg *m)
742 32f69c36 2003-12-11 devnull char errs[ERRMAX];
743 32f69c36 2003-12-11 devnull int n, p[2];
744 32f69c36 2003-12-11 devnull Conn *nc;
746 32f69c36 2003-12-11 devnull if(pipe(p) < 0){
747 32f69c36 2003-12-11 devnull rerrstr(errs, sizeof errs);
748 32f69c36 2003-12-11 devnull err(m, errs);
749 21e626de 2004-12-28 devnull /* XXX return here? */
751 e2a1725d 2005-01-04 devnull if(verbose) fprint(2, "%T xopen pipe %d %d...", p[0], p[1]);
753 32f69c36 2003-12-11 devnull /* now we're committed. */
755 32f69c36 2003-12-11 devnull /* a new connection for this fid */
756 32f69c36 2003-12-11 devnull nc = emalloc(sizeof(Conn));
757 32f69c36 2003-12-11 devnull nc->internal = chancreate(sizeof(void*), 0);
759 32f69c36 2003-12-11 devnull /* a ref for us */
760 32f69c36 2003-12-11 devnull nc->fdfid = m->fid;
761 32f69c36 2003-12-11 devnull m->fid->ref++;
762 21e626de 2004-12-28 devnull nc->fdfid->openfd++;
763 32f69c36 2003-12-11 devnull nc->fdmode = m->tx.mode;
764 32f69c36 2003-12-11 devnull nc->fd = p[0];
766 32f69c36 2003-12-11 devnull /* a thread to tend the pipe */
767 32f69c36 2003-12-11 devnull threadcreate(openfdthread, nc, STACK);
769 49588d5d 2003-12-17 devnull /* if mode is ORDWR, that openfdthread will write; start a reader */
770 49588d5d 2003-12-17 devnull if((m->tx.mode&3) == ORDWR){
771 49588d5d 2003-12-17 devnull nc = emalloc(sizeof(Conn));
772 49588d5d 2003-12-17 devnull nc->internal = chancreate(sizeof(void*), 0);
773 49588d5d 2003-12-17 devnull nc->fdfid = m->fid;
774 49588d5d 2003-12-17 devnull m->fid->ref++;
775 21e626de 2004-12-28 devnull nc->fdfid->openfd++;
776 49588d5d 2003-12-17 devnull nc->fdmode = OREAD;
777 49588d5d 2003-12-17 devnull nc->fd = dup(p[0], -1);
778 49588d5d 2003-12-17 devnull threadcreate(openfdthread, nc, STACK);
781 49588d5d 2003-12-17 devnull /* steal fid from other connection */
782 49588d5d 2003-12-17 devnull if(delhash(m->c->fid, m->fid->cfid, m->fid) == 0)
783 49588d5d 2003-12-17 devnull fidput(m->fid);
785 32f69c36 2003-12-11 devnull /* rewrite as Ropenfd */
786 32f69c36 2003-12-11 devnull m->rx.type = Ropenfd;
787 32f69c36 2003-12-11 devnull n = GBIT32(m->rpkt);
788 32f69c36 2003-12-11 devnull m->rpkt = erealloc(m->rpkt, n+4);
789 32f69c36 2003-12-11 devnull PBIT32(m->rpkt+n, p[1]);
791 32f69c36 2003-12-11 devnull PBIT32(m->rpkt, n);
792 32f69c36 2003-12-11 devnull m->rpkt[4] = Ropenfd;
793 32f69c36 2003-12-11 devnull m->rx.unixfd = p[1];
794 32f69c36 2003-12-11 devnull return 0;
798 d3df3087 2003-12-06 devnull connoutthread(void *arg)
800 215993f8 2005-09-13 devnull char *ename;
801 d3df3087 2003-12-06 devnull int err;
802 d3df3087 2003-12-06 devnull Conn *c;
803 d3df3087 2003-12-06 devnull Msg *m, *om;
804 ceb04770 2003-12-09 devnull Ioproc *io;
806 d3df3087 2003-12-06 devnull c = arg;
807 ceb04770 2003-12-09 devnull io = ioproc();
808 7ffc5208 2004-12-28 devnull threadsetname("connout %s", c->dir);
809 841d71b5 2007-08-22 rsc while((m = recvq(c->outq)) != nil){
810 d3df3087 2003-12-06 devnull err = m->tx.type+1 != m->rx.type;
811 32f69c36 2003-12-11 devnull if(!err && m->isopenfd)
812 32f69c36 2003-12-11 devnull if(xopenfd(m) < 0)
813 32f69c36 2003-12-11 devnull continue;
814 d3df3087 2003-12-06 devnull switch(m->tx.type){
815 d3df3087 2003-12-06 devnull case Tflush:
816 d3df3087 2003-12-06 devnull om = m->oldm;
818 ceb04770 2003-12-09 devnull if(delhash(om->c->tag, om->ctag, om) == 0)
819 ceb04770 2003-12-09 devnull msgput(om);
821 d3df3087 2003-12-06 devnull case Tclunk:
822 ceb04770 2003-12-09 devnull case Tremove:
823 ceb04770 2003-12-09 devnull if(m->fid)
824 ceb04770 2003-12-09 devnull if(delhash(m->c->fid, m->fid->cfid, m->fid) == 0)
825 ceb04770 2003-12-09 devnull fidput(m->fid);
827 d3df3087 2003-12-06 devnull case Tauth:
828 ceb04770 2003-12-09 devnull if(err && m->afid){
829 80568494 2005-02-11 devnull if(verbose) fprint(2, "%T auth error\n");
830 ceb04770 2003-12-09 devnull if(delhash(m->c->fid, m->afid->cfid, m->afid) == 0)
831 80568494 2005-02-11 devnull fidput(m->afid);
834 d3df3087 2003-12-06 devnull case Tattach:
835 ceb04770 2003-12-09 devnull if(err && m->fid)
836 d3df3087 2003-12-06 devnull if(delhash(m->c->fid, m->fid->cfid, m->fid) == 0)
837 d3df3087 2003-12-06 devnull fidput(m->fid);
839 d3df3087 2003-12-06 devnull case Twalk:
840 5c84c448 2005-03-21 devnull if(err || m->rx.nwqid < m->tx.nwname)
841 5c84c448 2005-03-21 devnull if(m->tx.fid != m->tx.newfid && m->newfid)
842 d3df3087 2003-12-06 devnull if(delhash(m->c->fid, m->newfid->cfid, m->newfid) == 0)
843 d3df3087 2003-12-06 devnull fidput(m->newfid);
845 215993f8 2005-09-13 devnull case Tread:
846 9777187b 2006-02-03 devnull if(!err && m->fid->isdir && dotu && !m->c->dotu){
847 9777187b 2006-02-03 devnull m->fid->offset += m->rx.count;
848 215993f8 2005-09-13 devnull stripudirread(m);
849 9777187b 2006-02-03 devnull m->fid->coffset += m->rx.count;
852 215993f8 2005-09-13 devnull case Tstat:
853 215993f8 2005-09-13 devnull if(!err && dotu && !m->c->dotu)
854 16c1defa 2005-11-12 devnull cvtustat(&m->rx, &m->rpkt, 0);
856 215993f8 2005-09-13 devnull case Topen:
857 215993f8 2005-09-13 devnull case Tcreate:
858 215993f8 2005-09-13 devnull m->fid->isdir = (m->rx.qid.type & QTDIR);
861 215993f8 2005-09-13 devnull if(m->rx.type==Rerror && dotu && !c->dotu){
862 215993f8 2005-09-13 devnull ename = estrdup(m->rx.ename);
863 215993f8 2005-09-13 devnull m->rx.ename = ename;
864 215993f8 2005-09-13 devnull repack(&m->rx, &m->rpkt, c->dotu);
865 215993f8 2005-09-13 devnull free(ename);
866 16c1defa 2005-11-12 devnull m->rx.ename = "XXX";
868 d3df3087 2003-12-06 devnull if(delhash(m->c->tag, m->ctag, m) == 0)
869 d3df3087 2003-12-06 devnull msgput(m);
870 e2a1725d 2005-01-04 devnull if(verbose > 1) fprint(2, "%T fd#%d <- %F\n", c->fd, &m->rx);
871 ceb04770 2003-12-09 devnull rewritehdr(&m->rx, m->rpkt);
872 ceb04770 2003-12-09 devnull if(mwrite9p(io, c->fd, m->rpkt) < 0)
873 e2a1725d 2005-01-04 devnull if(verbose) fprint(2, "%T write error: %r\n");
874 d3df3087 2003-12-06 devnull msgput(m);
875 d3df3087 2003-12-06 devnull if(c->inputstalled && c->nmsg < MAXMSG)
876 d3df3087 2003-12-06 devnull nbsendp(c->inc, 0);
878 ceb04770 2003-12-09 devnull closeioproc(io);
879 841d71b5 2007-08-22 rsc free(c->outq);
880 05b7f431 2004-03-02 devnull c->outq = nil;
881 841d71b5 2007-08-22 rsc sendp(c->outqdead, nil);
885 d3df3087 2003-12-06 devnull outputthread(void *arg)
888 ceb04770 2003-12-09 devnull Ioproc *io;
890 d3df3087 2003-12-06 devnull USED(arg);
891 ceb04770 2003-12-09 devnull io = ioproc();
892 7ffc5208 2004-12-28 devnull threadsetname("output");
893 d3df3087 2003-12-06 devnull while((m = recvq(outq)) != nil){
894 841d71b5 2007-08-22 rsc if(m->sync){
895 841d71b5 2007-08-22 rsc sendp(m->c->outqdead, nil);
898 e2a1725d 2005-01-04 devnull if(verbose > 1) fprint(2, "%T * <- %F\n", &m->tx);
899 ceb04770 2003-12-09 devnull rewritehdr(&m->tx, m->tpkt);
900 ceb04770 2003-12-09 devnull if(mwrite9p(io, 1, m->tpkt) < 0)
901 d3df3087 2003-12-06 devnull sysfatal("output error: %r");
902 d3df3087 2003-12-06 devnull msgput(m);
904 ceb04770 2003-12-09 devnull closeioproc(io);
905 e2a1725d 2005-01-04 devnull fprint(2, "%T output eof\n");
906 32f69c36 2003-12-11 devnull threadexitsall(0);
910 d3df3087 2003-12-06 devnull inputthread(void *arg)
912 d3df3087 2003-12-06 devnull uchar *pkt;
913 d3df3087 2003-12-06 devnull int n, nn, tag;
915 ceb04770 2003-12-09 devnull Ioproc *io;
917 7ffc5208 2004-12-28 devnull threadsetname("input");
918 e2a1725d 2005-01-04 devnull if(verbose) fprint(2, "%T input thread\n");
919 ceb04770 2003-12-09 devnull io = ioproc();
920 ceb04770 2003-12-09 devnull USED(arg);
921 ceb04770 2003-12-09 devnull while((pkt = read9ppkt(io, 0)) != nil){
922 d3df3087 2003-12-06 devnull n = GBIT32(pkt);
923 d3df3087 2003-12-06 devnull if(n < 7){
924 e2a1725d 2005-01-04 devnull fprint(2, "%T short 9P packet from server\n");
925 d3df3087 2003-12-06 devnull free(pkt);
926 d3df3087 2003-12-06 devnull continue;
928 e2a1725d 2005-01-04 devnull if(verbose > 2) fprint(2, "%T read %.*H\n", n, pkt);
929 d3df3087 2003-12-06 devnull tag = GBIT16(pkt+5);
930 d3df3087 2003-12-06 devnull if((m = msgget(tag)) == nil){
931 e2a1725d 2005-01-04 devnull fprint(2, "%T unexpected 9P response tag %d\n", tag);
932 d3df3087 2003-12-06 devnull free(pkt);
933 d3df3087 2003-12-06 devnull continue;
935 215993f8 2005-09-13 devnull if((nn = convM2Su(pkt, n, &m->rx, dotu)) != n){
936 e2a1725d 2005-01-04 devnull fprint(2, "%T bad packet - convM2S %d but %d\n", nn, n);
937 d3df3087 2003-12-06 devnull free(pkt);
938 d3df3087 2003-12-06 devnull msgput(m);
939 d3df3087 2003-12-06 devnull continue;
941 e2a1725d 2005-01-04 devnull if(verbose > 1) fprint(2, "%T * -> %F%s\n", &m->rx,
942 05b7f431 2004-03-02 devnull m->internal ? " (internal)" : "");
943 d3df3087 2003-12-06 devnull m->rpkt = pkt;
944 d3df3087 2003-12-06 devnull m->rx.tag = m->ctag;
945 ceb04770 2003-12-09 devnull if(m->internal)
946 05b7f431 2004-03-02 devnull sendp(m->c->internal, m);
947 05b7f431 2004-03-02 devnull else if(m->c->outq)
948 ceb04770 2003-12-09 devnull sendq(m->c->outq, m);
950 05b7f431 2004-03-02 devnull msgput(m);
952 ceb04770 2003-12-09 devnull closeioproc(io);
953 cbeb0b26 2006-04-01 devnull /*fprint(2, "%T input eof\n"); */
954 32f69c36 2003-12-11 devnull threadexitsall(0);
958 d3df3087 2003-12-06 devnull gethash(Hash **ht, uint n)
960 d3df3087 2003-12-06 devnull Hash *h;
962 d3df3087 2003-12-06 devnull for(h=ht[n%NHASH]; h; h=h->next)
963 d3df3087 2003-12-06 devnull if(h->n == n)
964 d3df3087 2003-12-06 devnull return h->v;
965 d3df3087 2003-12-06 devnull return nil;
969 d3df3087 2003-12-06 devnull delhash(Hash **ht, uint n, void *v)
971 d3df3087 2003-12-06 devnull Hash *h, **l;
973 d3df3087 2003-12-06 devnull for(l=&ht[n%NHASH]; h=*l; l=&h->next)
974 d3df3087 2003-12-06 devnull if(h->n == n){
975 ceb04770 2003-12-09 devnull if(h->v != v){
976 e2a1725d 2005-01-04 devnull if(verbose) fprint(2, "%T delhash %d got %p want %p\n", n, h->v, v);
977 ceb04770 2003-12-09 devnull return -1;
979 d3df3087 2003-12-06 devnull *l = h->next;
980 d3df3087 2003-12-06 devnull free(h);
981 d3df3087 2003-12-06 devnull return 0;
983 d3df3087 2003-12-06 devnull return -1;
987 d3df3087 2003-12-06 devnull puthash(Hash **ht, uint n, void *v)
989 d3df3087 2003-12-06 devnull Hash *h;
991 d3df3087 2003-12-06 devnull if(gethash(ht, n))
992 d3df3087 2003-12-06 devnull return -1;
993 d3df3087 2003-12-06 devnull h = emalloc(sizeof(Hash));
994 d3df3087 2003-12-06 devnull h->next = ht[n%NHASH];
995 d3df3087 2003-12-06 devnull h->n = n;
996 d3df3087 2003-12-06 devnull h->v = v;
997 d3df3087 2003-12-06 devnull ht[n%NHASH] = h;
998 d3df3087 2003-12-06 devnull return 0;
1001 d3df3087 2003-12-06 devnull Fid **fidtab;
1002 d3df3087 2003-12-06 devnull int nfidtab;
1003 d3df3087 2003-12-06 devnull Fid *freefid;
1006 d3df3087 2003-12-06 devnull fidnew(int cfid)
1008 d3df3087 2003-12-06 devnull Fid *f;
1010 d3df3087 2003-12-06 devnull if(freefid == nil){
1011 ceb04770 2003-12-09 devnull fidtab = erealloc(fidtab, (nfidtab+1)*sizeof(fidtab[0]));
1012 5c84c448 2005-03-21 devnull if(nfidtab == xafid){
1013 5c84c448 2005-03-21 devnull fidtab[nfidtab++] = nil;
1014 5c84c448 2005-03-21 devnull fidtab = erealloc(fidtab, (nfidtab+1)*sizeof(fidtab[0]));
1016 d3df3087 2003-12-06 devnull fidtab[nfidtab] = emalloc(sizeof(Fid));
1017 ceb04770 2003-12-09 devnull freefid = fidtab[nfidtab];
1018 ceb04770 2003-12-09 devnull freefid->fid = nfidtab++;
1020 d3df3087 2003-12-06 devnull f = freefid;
1021 d3df3087 2003-12-06 devnull freefid = f->next;
1022 ceb04770 2003-12-09 devnull f->cfid = cfid;
1023 d3df3087 2003-12-06 devnull f->ref = 1;
1024 9777187b 2006-02-03 devnull f->offset = 0;
1025 9777187b 2006-02-03 devnull f->coffset = 0;
1026 215993f8 2005-09-13 devnull f->isdir = -1;
1027 d3df3087 2003-12-06 devnull return f;
1031 d3df3087 2003-12-06 devnull fidput(Fid *f)
1033 ceb04770 2003-12-09 devnull if(f == nil)
1034 ceb04770 2003-12-09 devnull return;
1035 d3df3087 2003-12-06 devnull assert(f->ref > 0);
1036 d3df3087 2003-12-06 devnull if(--f->ref > 0)
1037 d3df3087 2003-12-06 devnull return;
1038 d3df3087 2003-12-06 devnull f->next = freefid;
1039 d3df3087 2003-12-06 devnull f->cfid = -1;
1040 d3df3087 2003-12-06 devnull freefid = f;
1043 d3df3087 2003-12-06 devnull Msg **msgtab;
1044 d3df3087 2003-12-06 devnull int nmsgtab;
1045 16c1defa 2005-11-12 devnull int nmsg;
1046 d3df3087 2003-12-06 devnull Msg *freemsg;
1049 e2a1725d 2005-01-04 devnull msgincref(Msg *m)
1051 e2a1725d 2005-01-04 devnull if(verbose > 1) fprint(2, "%T msgincref @0x%lux %p tag %d/%d ref %d=>%d\n",
1052 e2a1725d 2005-01-04 devnull getcallerpc(&m), m, m->tag, m->ctag, m->ref, m->ref+1);
1053 e2a1725d 2005-01-04 devnull m->ref++;
1057 e2a1725d 2005-01-04 devnull msgnew(int x)
1059 d3df3087 2003-12-06 devnull Msg *m;
1061 d3df3087 2003-12-06 devnull if(freemsg == nil){
1062 ceb04770 2003-12-09 devnull msgtab = erealloc(msgtab, (nmsgtab+1)*sizeof(msgtab[0]));
1063 d3df3087 2003-12-06 devnull msgtab[nmsgtab] = emalloc(sizeof(Msg));
1064 ceb04770 2003-12-09 devnull freemsg = msgtab[nmsgtab];
1065 ceb04770 2003-12-09 devnull freemsg->tag = nmsgtab++;
1067 d3df3087 2003-12-06 devnull m = freemsg;
1068 d3df3087 2003-12-06 devnull freemsg = m->next;
1069 d3df3087 2003-12-06 devnull m->ref = 1;
1070 e2a1725d 2005-01-04 devnull if(verbose > 1) fprint(2, "%T msgnew @0x%lux %p tag %d ref %d\n",
1071 e2a1725d 2005-01-04 devnull getcallerpc(&x), m, m->tag, m->ref);
1072 16c1defa 2005-11-12 devnull nmsg++;
1073 d3df3087 2003-12-06 devnull return m;
1077 e2a1725d 2005-01-04 devnull * Clear data associated with connections, so that
1078 e2a1725d 2005-01-04 devnull * if all msgs have been msgcleared, the connection
1079 e2a1725d 2005-01-04 devnull * can be freed. Note that this does *not* free the tpkt
1080 e2a1725d 2005-01-04 devnull * and rpkt; they are freed in msgput with the msg itself.
1081 e2a1725d 2005-01-04 devnull * The io write thread might still be holding a ref to msg
1082 e2a1725d 2005-01-04 devnull * even once the connection has finished with it.
1085 e2a1725d 2005-01-04 devnull msgclear(Msg *m)
1087 e2a1725d 2005-01-04 devnull if(m->c){
1088 e2a1725d 2005-01-04 devnull m->c->nmsg--;
1089 e2a1725d 2005-01-04 devnull m->c = nil;
1091 e2a1725d 2005-01-04 devnull if(m->oldm){
1092 e2a1725d 2005-01-04 devnull msgput(m->oldm);
1093 e2a1725d 2005-01-04 devnull m->oldm = nil;
1095 e2a1725d 2005-01-04 devnull if(m->fid){
1096 e2a1725d 2005-01-04 devnull fidput(m->fid);
1097 e2a1725d 2005-01-04 devnull m->fid = nil;
1099 e2a1725d 2005-01-04 devnull if(m->afid){
1100 e2a1725d 2005-01-04 devnull fidput(m->afid);
1101 e2a1725d 2005-01-04 devnull m->afid = nil;
1103 e2a1725d 2005-01-04 devnull if(m->newfid){
1104 e2a1725d 2005-01-04 devnull fidput(m->newfid);
1105 e2a1725d 2005-01-04 devnull m->newfid = nil;
1107 e2a1725d 2005-01-04 devnull if(m->rx.type == Ropenfd && m->rx.unixfd >= 0){
1108 e2a1725d 2005-01-04 devnull close(m->rx.unixfd);
1109 e2a1725d 2005-01-04 devnull m->rx.unixfd = -1;
1114 d3df3087 2003-12-06 devnull msgput(Msg *m)
1116 05b7f431 2004-03-02 devnull if(m == nil)
1117 05b7f431 2004-03-02 devnull return;
1119 e2a1725d 2005-01-04 devnull if(verbose > 1) fprint(2, "%T msgput 0x%lux %p tag %d/%d ref %d\n",
1120 e2a1725d 2005-01-04 devnull getcallerpc(&m), m, m->tag, m->ctag, m->ref);
1121 d3df3087 2003-12-06 devnull assert(m->ref > 0);
1122 d3df3087 2003-12-06 devnull if(--m->ref > 0)
1123 d3df3087 2003-12-06 devnull return;
1124 16c1defa 2005-11-12 devnull nmsg--;
1125 e2a1725d 2005-01-04 devnull msgclear(m);
1126 e2a1725d 2005-01-04 devnull if(m->tpkt){
1127 e2a1725d 2005-01-04 devnull free(m->tpkt);
1128 e2a1725d 2005-01-04 devnull m->tpkt = nil;
1130 e2a1725d 2005-01-04 devnull if(m->rpkt){
1131 e2a1725d 2005-01-04 devnull free(m->rpkt);
1132 e2a1725d 2005-01-04 devnull m->rpkt = nil;
1134 32f69c36 2003-12-11 devnull m->isopenfd = 0;
1135 32f69c36 2003-12-11 devnull m->internal = 0;
1136 d3df3087 2003-12-06 devnull m->next = freemsg;
1137 d3df3087 2003-12-06 devnull freemsg = m;
1141 ceb04770 2003-12-09 devnull msgget(int n)
1143 ceb04770 2003-12-09 devnull Msg *m;
1145 ceb04770 2003-12-09 devnull if(n < 0 || n >= nmsgtab)
1146 ceb04770 2003-12-09 devnull return nil;
1147 ceb04770 2003-12-09 devnull m = msgtab[n];
1148 ceb04770 2003-12-09 devnull if(m->ref == 0)
1149 ceb04770 2003-12-09 devnull return nil;
1150 e2a1725d 2005-01-04 devnull if(verbose) fprint(2, "%T msgget %d = %p\n", n, m);
1151 e2a1725d 2005-01-04 devnull msgincref(m);
1152 ceb04770 2003-12-09 devnull return m;
1157 d3df3087 2003-12-06 devnull emalloc(int n)
1159 d3df3087 2003-12-06 devnull void *v;
1161 d3df3087 2003-12-06 devnull v = mallocz(n, 1);
1162 ceb04770 2003-12-09 devnull if(v == nil){
1163 ceb04770 2003-12-09 devnull abort();
1164 ceb04770 2003-12-09 devnull sysfatal("out of memory allocating %d", n);
1166 d3df3087 2003-12-06 devnull return v;
1170 d3df3087 2003-12-06 devnull erealloc(void *v, int n)
1172 d3df3087 2003-12-06 devnull v = realloc(v, n);
1173 ceb04770 2003-12-09 devnull if(v == nil){
1174 ceb04770 2003-12-09 devnull abort();
1175 ceb04770 2003-12-09 devnull sysfatal("out of memory reallocating %d", n);
1177 d3df3087 2003-12-06 devnull return v;
1180 d3df3087 2003-12-06 devnull typedef struct Qel Qel;
1181 d3df3087 2003-12-06 devnull struct Qel
1183 d3df3087 2003-12-06 devnull Qel *next;
1184 d3df3087 2003-12-06 devnull void *p;
1187 d3df3087 2003-12-06 devnull struct Queue
1189 d3df3087 2003-12-06 devnull QLock lk;
1190 d3df3087 2003-12-06 devnull Rendez r;
1191 d3df3087 2003-12-06 devnull Qel *head;
1192 d3df3087 2003-12-06 devnull Qel *tail;
1196 d3df3087 2003-12-06 devnull qalloc(void)
1198 d3df3087 2003-12-06 devnull Queue *q;
1200 d3df3087 2003-12-06 devnull q = mallocz(sizeof(Queue), 1);
1201 d3df3087 2003-12-06 devnull if(q == nil)
1202 d3df3087 2003-12-06 devnull return nil;
1203 d3df3087 2003-12-06 devnull q->r.l = &q->lk;
1204 d3df3087 2003-12-06 devnull return q;
1208 d3df3087 2003-12-06 devnull sendq(Queue *q, void *p)
1210 d3df3087 2003-12-06 devnull Qel *e;
1212 d3df3087 2003-12-06 devnull e = emalloc(sizeof(Qel));
1213 d3df3087 2003-12-06 devnull qlock(&q->lk);
1214 d3df3087 2003-12-06 devnull e->p = p;
1215 d3df3087 2003-12-06 devnull e->next = nil;
1216 d3df3087 2003-12-06 devnull if(q->head == nil)
1217 d3df3087 2003-12-06 devnull q->head = e;
1219 d3df3087 2003-12-06 devnull q->tail->next = e;
1220 d3df3087 2003-12-06 devnull q->tail = e;
1221 d3df3087 2003-12-06 devnull rwakeup(&q->r);
1222 d3df3087 2003-12-06 devnull qunlock(&q->lk);
1223 d3df3087 2003-12-06 devnull return 0;
1227 d3df3087 2003-12-06 devnull recvq(Queue *q)
1229 d3df3087 2003-12-06 devnull void *p;
1230 d3df3087 2003-12-06 devnull Qel *e;
1232 d3df3087 2003-12-06 devnull qlock(&q->lk);
1233 841d71b5 2007-08-22 rsc while(q->head == nil)
1234 d3df3087 2003-12-06 devnull rsleep(&q->r);
1235 d3df3087 2003-12-06 devnull e = q->head;
1236 d3df3087 2003-12-06 devnull q->head = e->next;
1237 d3df3087 2003-12-06 devnull qunlock(&q->lk);
1238 d3df3087 2003-12-06 devnull p = e->p;
1239 d3df3087 2003-12-06 devnull free(e);
1240 d3df3087 2003-12-06 devnull return p;
1244 ceb04770 2003-12-09 devnull read9ppkt(Ioproc *io, int fd)
1246 ceb04770 2003-12-09 devnull uchar buf[4], *pkt;
1247 ceb04770 2003-12-09 devnull int n, nn;
1249 ceb04770 2003-12-09 devnull n = ioreadn(io, fd, buf, 4);
1250 ceb04770 2003-12-09 devnull if(n != 4)
1251 ceb04770 2003-12-09 devnull return nil;
1252 ceb04770 2003-12-09 devnull n = GBIT32(buf);
1253 f2466297 2006-05-04 devnull if(n > MAXMSGSIZE)
1254 f2466297 2006-05-04 devnull return nil;
1255 ceb04770 2003-12-09 devnull pkt = emalloc(n);
1256 ceb04770 2003-12-09 devnull PBIT32(pkt, n);
1257 ceb04770 2003-12-09 devnull nn = ioreadn(io, fd, pkt+4, n-4);
1258 ceb04770 2003-12-09 devnull if(nn != n-4){
1259 ceb04770 2003-12-09 devnull free(pkt);
1260 ceb04770 2003-12-09 devnull return nil;
1262 32f69c36 2003-12-11 devnull /* would do this if we ever got one of these, but we only generate them
1263 32f69c36 2003-12-11 devnull if(pkt[4] == Ropenfd){
1264 32f69c36 2003-12-11 devnull newfd = iorecvfd(io, fd);
1265 32f69c36 2003-12-11 devnull PBIT32(pkt+n-4, newfd);
1268 ceb04770 2003-12-09 devnull return pkt;
1272 215993f8 2005-09-13 devnull mread9p(Ioproc *io, int fd, int dotu)
1274 ceb04770 2003-12-09 devnull int n, nn;
1275 ceb04770 2003-12-09 devnull uchar *pkt;
1276 ceb04770 2003-12-09 devnull Msg *m;
1278 ceb04770 2003-12-09 devnull if((pkt = read9ppkt(io, fd)) == nil)
1279 ceb04770 2003-12-09 devnull return nil;
1281 e2a1725d 2005-01-04 devnull m = msgnew(0);
1282 ceb04770 2003-12-09 devnull m->tpkt = pkt;
1283 ceb04770 2003-12-09 devnull n = GBIT32(pkt);
1284 215993f8 2005-09-13 devnull nn = convM2Su(pkt, n, &m->tx, dotu);
1285 ceb04770 2003-12-09 devnull if(nn != n){
1286 e2a1725d 2005-01-04 devnull fprint(2, "%T read bad packet from %d\n", fd);
1287 ceb04770 2003-12-09 devnull return nil;
1289 ceb04770 2003-12-09 devnull return m;
1293 ceb04770 2003-12-09 devnull mwrite9p(Ioproc *io, int fd, uchar *pkt)
1295 32f69c36 2003-12-11 devnull int n, nfd;
1297 ceb04770 2003-12-09 devnull n = GBIT32(pkt);
1298 e2a1725d 2005-01-04 devnull if(verbose > 2) fprint(2, "%T write %d %d %.*H\n", fd, n, n, pkt);
1299 bb426e77 2005-01-06 devnull if(verbose > 1) fprint(2, "%T before iowrite\n");
1300 ceb04770 2003-12-09 devnull if(iowrite(io, fd, pkt, n) != n){
1301 e2a1725d 2005-01-04 devnull fprint(2, "%T write error: %r\n");
1302 ceb04770 2003-12-09 devnull return -1;
1304 bb426e77 2005-01-06 devnull if(verbose > 1) fprint(2, "%T after iowrite\n");
1305 32f69c36 2003-12-11 devnull if(pkt[4] == Ropenfd){
1306 32f69c36 2003-12-11 devnull nfd = GBIT32(pkt+n-4);
1307 32f69c36 2003-12-11 devnull if(iosendfd(io, fd, nfd) < 0){
1308 e2a1725d 2005-01-04 devnull fprint(2, "%T send fd error: %r\n");
1309 32f69c36 2003-12-11 devnull return -1;
1312 ceb04770 2003-12-09 devnull return 0;
1316 ceb04770 2003-12-09 devnull restring(uchar *pkt, int pn, char *s)
1320 ceb04770 2003-12-09 devnull if(s < (char*)pkt || s >= (char*)pkt+pn)
1321 ceb04770 2003-12-09 devnull return;
1323 ceb04770 2003-12-09 devnull n = strlen(s);
1324 ceb04770 2003-12-09 devnull memmove(s+1, s, n);
1325 ceb04770 2003-12-09 devnull PBIT16((uchar*)s-1, n);
1329 215993f8 2005-09-13 devnull repack(Fcall *f, uchar **ppkt, int dotu)
1331 5c84c448 2005-03-21 devnull uint n, nn;
1332 5c84c448 2005-03-21 devnull uchar *pkt;
1334 5c84c448 2005-03-21 devnull pkt = *ppkt;
1335 5c84c448 2005-03-21 devnull n = GBIT32(pkt);
1336 215993f8 2005-09-13 devnull nn = sizeS2Mu(f, dotu);
1337 5c84c448 2005-03-21 devnull if(nn > n){
1338 5c84c448 2005-03-21 devnull free(pkt);
1339 5c84c448 2005-03-21 devnull pkt = emalloc(nn);
1340 5c84c448 2005-03-21 devnull *ppkt = pkt;
1342 9e2f1d9b 2005-11-21 devnull n = convS2Mu(f, pkt, nn, dotu);
1343 9e2f1d9b 2005-11-21 devnull if(n <= BIT16SZ)
1344 9e2f1d9b 2005-11-21 devnull sysfatal("convS2M conversion error");
1345 9e2f1d9b 2005-11-21 devnull if(n != nn)
1346 9e2f1d9b 2005-11-21 devnull sysfatal("convS2Mu and sizeS2Mu disagree");
1350 ceb04770 2003-12-09 devnull rewritehdr(Fcall *f, uchar *pkt)
1352 ceb04770 2003-12-09 devnull int i, n;
1354 ceb04770 2003-12-09 devnull n = GBIT32(pkt);
1355 ceb04770 2003-12-09 devnull PBIT16(pkt+5, f->tag);
1356 ceb04770 2003-12-09 devnull switch(f->type){
1357 ceb04770 2003-12-09 devnull case Tversion:
1358 ceb04770 2003-12-09 devnull case Rversion:
1359 ceb04770 2003-12-09 devnull restring(pkt, n, f->version);
1361 ceb04770 2003-12-09 devnull case Tauth:
1362 ceb04770 2003-12-09 devnull PBIT32(pkt+7, f->afid);
1363 ceb04770 2003-12-09 devnull restring(pkt, n, f->uname);
1364 ceb04770 2003-12-09 devnull restring(pkt, n, f->aname);
1366 ceb04770 2003-12-09 devnull case Tflush:
1367 ceb04770 2003-12-09 devnull PBIT16(pkt+7, f->oldtag);
1369 ceb04770 2003-12-09 devnull case Tattach:
1370 ceb04770 2003-12-09 devnull restring(pkt, n, f->uname);
1371 ceb04770 2003-12-09 devnull restring(pkt, n, f->aname);
1372 ceb04770 2003-12-09 devnull PBIT32(pkt+7, f->fid);
1373 ceb04770 2003-12-09 devnull PBIT32(pkt+11, f->afid);
1375 ceb04770 2003-12-09 devnull case Twalk:
1376 ceb04770 2003-12-09 devnull PBIT32(pkt+7, f->fid);
1377 ceb04770 2003-12-09 devnull PBIT32(pkt+11, f->newfid);
1378 ceb04770 2003-12-09 devnull for(i=0; i<f->nwname; i++)
1379 ceb04770 2003-12-09 devnull restring(pkt, n, f->wname[i]);
1381 ceb04770 2003-12-09 devnull case Tcreate:
1382 ceb04770 2003-12-09 devnull restring(pkt, n, f->name);
1383 ceb04770 2003-12-09 devnull /* fall through */
1384 ceb04770 2003-12-09 devnull case Topen:
1385 ceb04770 2003-12-09 devnull case Tclunk:
1386 ceb04770 2003-12-09 devnull case Tremove:
1387 ceb04770 2003-12-09 devnull case Tstat:
1388 ceb04770 2003-12-09 devnull case Twstat:
1389 9777187b 2006-02-03 devnull case Twrite:
1390 ceb04770 2003-12-09 devnull PBIT32(pkt+7, f->fid);
1392 9777187b 2006-02-03 devnull case Tread:
1393 9777187b 2006-02-03 devnull PBIT32(pkt+7, f->fid);
1394 9777187b 2006-02-03 devnull PBIT64(pkt+11, f->offset);
1396 ceb04770 2003-12-09 devnull case Rerror:
1397 ceb04770 2003-12-09 devnull restring(pkt, n, f->ename);
1402 32f69c36 2003-12-11 devnull static long
1403 ceb04770 2003-12-09 devnull _iolisten(va_list *arg)
1405 ceb04770 2003-12-09 devnull char *a, *b;
1407 ceb04770 2003-12-09 devnull a = va_arg(*arg, char*);
1408 ceb04770 2003-12-09 devnull b = va_arg(*arg, char*);
1409 ceb04770 2003-12-09 devnull return listen(a, b);
1413 ceb04770 2003-12-09 devnull iolisten(Ioproc *io, char *a, char *b)
1415 ceb04770 2003-12-09 devnull return iocall(io, _iolisten, a, b);
1418 ceb04770 2003-12-09 devnull static long
1419 ceb04770 2003-12-09 devnull _ioaccept(va_list *arg)
1421 ceb04770 2003-12-09 devnull int fd;
1422 ceb04770 2003-12-09 devnull char *dir;
1424 ceb04770 2003-12-09 devnull fd = va_arg(*arg, int);
1425 ceb04770 2003-12-09 devnull dir = va_arg(*arg, char*);
1426 ceb04770 2003-12-09 devnull return accept(fd, dir);
1430 ceb04770 2003-12-09 devnull ioaccept(Ioproc *io, int fd, char *dir)
1432 ceb04770 2003-12-09 devnull return iocall(io, _ioaccept, fd, dir);
1436 e2a1725d 2005-01-04 devnull timefmt(Fmt *fmt)
1438 e2a1725d 2005-01-04 devnull static char *mon[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun",
1439 e2a1725d 2005-01-04 devnull "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
1440 bb426e77 2005-01-06 devnull vlong ns;
1442 bb426e77 2005-01-06 devnull ns = nsec();
1443 e2a1725d 2005-01-04 devnull tm = *localtime(time(0));
1444 bb426e77 2005-01-06 devnull return fmtprint(fmt, "%s %2d %02d:%02d:%02d.%03d",
1445 bb426e77 2005-01-06 devnull mon[tm.mon], tm.mday, tm.hour, tm.min, tm.sec,
1446 bb426e77 2005-01-06 devnull (int)(ns%1000000000)/1000000);
1450 16c1defa 2005-11-12 devnull cvtustat(Fcall *f, uchar **fpkt, int tounix)
1453 23e7c657 2005-09-13 devnull uchar *buf;
1454 215993f8 2005-09-13 devnull char *str;
1455 215993f8 2005-09-13 devnull Dir dir;
1457 215993f8 2005-09-13 devnull str = emalloc(f->nstat);
1458 16c1defa 2005-11-12 devnull n = convM2Du(f->stat, f->nstat, &dir, str, !tounix);
1459 16c1defa 2005-11-12 devnull if(n <= BIT16SZ){
1460 16c1defa 2005-11-12 devnull free(str);
1461 215993f8 2005-09-13 devnull return -1;
1464 16c1defa 2005-11-12 devnull n = sizeD2Mu(&dir, tounix);
1465 16c1defa 2005-11-12 devnull buf = emalloc(n);
1466 9e2f1d9b 2005-11-21 devnull if(convD2Mu(&dir, buf, n, tounix) != n)
1467 9e2f1d9b 2005-11-21 devnull sysfatal("convD2Mu conversion error");
1468 215993f8 2005-09-13 devnull f->nstat = n;
1469 215993f8 2005-09-13 devnull f->stat = buf;
1471 215993f8 2005-09-13 devnull repack(f, fpkt, dotu);
1472 215993f8 2005-09-13 devnull free(buf);
1473 16c1defa 2005-11-12 devnull f->stat = nil; /* is this okay ??? */
1474 215993f8 2005-09-13 devnull free(str);
1476 215993f8 2005-09-13 devnull return 0;
1480 215993f8 2005-09-13 devnull stripudirread(Msg* msg)
1482 23e7c657 2005-09-13 devnull char *str;
1483 215993f8 2005-09-13 devnull int i, m, n, nn;
1484 23e7c657 2005-09-13 devnull uchar *buf;
1486 215993f8 2005-09-13 devnull Fcall* rx;
1488 215993f8 2005-09-13 devnull buf = nil;
1489 215993f8 2005-09-13 devnull str = nil;
1490 215993f8 2005-09-13 devnull rx = &msg->rx;
1492 215993f8 2005-09-13 devnull nn = 0;
1493 215993f8 2005-09-13 devnull for(i = 0; i < rx->count; i += m){
1494 215993f8 2005-09-13 devnull m = BIT16SZ + GBIT16(&rx->data[i]);
1495 54705b4a 2005-09-13 devnull if(statchecku((uchar*)&rx->data[i], m, 1) < 0)
1496 215993f8 2005-09-13 devnull return -1;
1497 215993f8 2005-09-13 devnull if(nn < m)
1498 215993f8 2005-09-13 devnull nn = m;
1502 215993f8 2005-09-13 devnull str = emalloc(nn);
1503 215993f8 2005-09-13 devnull buf = emalloc(rx->count);
1505 215993f8 2005-09-13 devnull nn = 0;
1506 215993f8 2005-09-13 devnull for(i = 0; i < rx->count; i += m){
1507 215993f8 2005-09-13 devnull m = BIT16SZ + GBIT16(&rx->data[i]);
1508 54705b4a 2005-09-13 devnull if(convM2Du((uchar*)&rx->data[i], m, &d, str, 1) != m){
1509 215993f8 2005-09-13 devnull free(buf);
1510 215993f8 2005-09-13 devnull free(str);
1511 215993f8 2005-09-13 devnull return -1;
1514 215993f8 2005-09-13 devnull n = convD2M(&d, &buf[nn], rx->count - nn);
1515 215993f8 2005-09-13 devnull if(n <= BIT16SZ){
1516 215993f8 2005-09-13 devnull free(buf);
1517 215993f8 2005-09-13 devnull free(str);
1518 215993f8 2005-09-13 devnull return -1;
1521 215993f8 2005-09-13 devnull nn += n;
1524 215993f8 2005-09-13 devnull rx->count = nn;
1525 54705b4a 2005-09-13 devnull rx->data = (char*)buf;
1527 215993f8 2005-09-13 devnull repack(&msg->rx, &msg->rpkt, 0);
1528 215993f8 2005-09-13 devnull free(str);
1529 215993f8 2005-09-13 devnull free(buf);
1530 16c1defa 2005-11-12 devnull rx->data = nil; /* is this okay ??? */
1532 215993f8 2005-09-13 devnull return 0;
