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add _fsunmount; do version in fsinit; add nsinit; add chatty9pclient

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This commit is contained in:
rsc 2005-02-11 17:00:46 +00:00
parent 2aa7d30367
commit 59518849d8
2 changed files with 41 additions and 19 deletions
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39
src/lib9pclient/fs.c
View file

@ -13,6 +13,8 @@ static void *_fsrecv(Mux*);
static int _fsgettag(Mux*, void*);
static int _fssettag(Mux*, void*, uint);
int chatty9pclient;
enum
{
CFidchunk = 32
@ -22,7 +24,8 @@ CFsys*
fsinit(int fd)
{
CFsys *fs;
int n;
fmtinstall('F', fcallfmt);
fmtinstall('D', dirfmt);
fmtinstall('M', dirmodefmt);
@ -42,6 +45,13 @@ fsinit(int fd)
fs->iorecv = ioproc();
fs->iosend = ioproc();
muxinit(&fs->mux);
strcpy(fs->version, "9P2000");
if((n = fsversion(fs, 8192, fs->version, sizeof fs->version)) < 0){
_fsunmount(fs);
return nil;
}
fs->msize = n;
return fs;
}
@ -55,28 +65,28 @@ fsroot(CFsys *fs)
CFsys*
fsmount(int fd, char *aname)
{
int n;
CFsys *fs;
CFid *fid;
fs = fsinit(fd);
if(fs == nil)
return nil;
strcpy(fs->version, "9P2000");
if((n = fsversion(fs, 8192, fs->version, sizeof fs->version)) < 0){
Error:
fs->fd = -1;
fsunmount(fs);
if((fid = fsattach(fs, nil, getuser(), aname)) == nil){
_fsunmount(fs);
return nil;
}
fs->msize = n;
if((fid = fsattach(fs, nil, getuser(), aname)) == nil)
goto Error;
fssetroot(fs, fid);
return fs;
}
void
_fsunmount(CFsys *fs)
{
fs->fd = -1;
fsunmount(fs);
}
void
fsunmount(CFsys *fs)
{
@ -196,7 +206,9 @@ _fsrpc(CFsys *fs, Fcall *tx, Fcall *rx, void **freep)
*freep = nil;
if(tpkt == nil)
return -1;
//fprint(2, "<- %F\n", tx);
tx->tag = 0;
if(chatty9pclient)
fprint(2, "<- %F\n", tx);
nn = convS2M(tx, tpkt, n);
if(nn != n){
free(tpkt);
@ -216,7 +228,8 @@ _fsrpc(CFsys *fs, Fcall *tx, Fcall *rx, void **freep)
fprint(2, "%r\n");
return -1;
}
//fprint(2, "-> %F\n", rx);
if(chatty9pclient)
fprint(2, "-> %F\n", rx);
if(rx->type == Rerror){
werrstr("%s", rx->ename);
free(rpkt);

21
src/lib9pclient/ns.c
View file

@ -5,11 +5,10 @@
#include <ctype.h>
CFsys*
nsmount(char *name, char *aname)
nsinit(char *name)
{
char *addr, *ns;
int fd;
CFsys *fs;
ns = getns();
if(ns == nil)
@ -29,13 +28,23 @@ nsmount(char *name, char *aname)
free(addr);
fcntl(fd, F_SETFL, FD_CLOEXEC);
return fsinit(fd);
}
fs = fsmount(fd, aname);
if(fs == nil){
close(fd);
CFsys*
nsmount(char *name, char *aname)
{
CFsys *fs;
CFid *fid;
fs = nsinit(name);
if(fs == nil)
return nil;
if((fid = fsattach(fs, nil, getuser(), aname)) == nil){
_fsunmount(fs);
return nil;
}
fssetroot(fs, fid);
return fs;
}