cirno/plan9port
1
0
Fork 0
mirror of https://github.com/9fans/plan9port.git synced 2025-01-24 11:41:58 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Add get command.

Browse source
This commit is contained in:
rsc 2005-08-11 16:45:04 +00:00
parent f7174317de
commit 8ecefa411d
1 changed files with 82 additions and 13 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

95
src/cmd/vbackup/vftp.c
View file

@ -22,7 +22,7 @@ char *cmdhelp(int, char**);
char *cmdcd(int, char**);
char *cmdpwd(int, char**);
char *cmdls(int, char**);
char *cmdcp(int, char**);
char *cmdget(int, char**);
char *cmdblock(int, char**);
char *cmddisk(int, char**);
@ -38,6 +38,7 @@ Cmd cmdtab[] =
{
"cd", cmdcd, "cd dir - change directory",
"ls", cmdls, "ls [-d] path... - list file",
"get", cmdget, "get path [lpath] - copy file to local directory",
"pwd", cmdpwd, "pwd - print working directory",
"help", cmdhelp, "help - print usage summaries",
"block", cmdblock, "block path offset - print disk offset of path's byte offset",
@ -162,12 +163,12 @@ lsdir(char *dir, Nfs3Handle *h)
cookie = 0;
for(;;){
ok = fsysreaddir(fsys, auth, h, 8192, cookie, &data, &count, &eof);
fprint(2, "got %d\n", count);
if(ok != Nfs3Ok){
nfs3errstr(ok);
fprint(2, "ls %s: %r\n", dir);
return;
}
fprint(2, "got %d\n", count);
p = data;
ep = data+count;
while(p<ep){
@ -238,6 +239,67 @@ cmdls(int argc, char **argv)
return nil;
}
char*
cmdget(int argc, char **argv)
{
uchar eof;
u32int n;
int dflag, fd;
char *e, *local;
uchar *buf;
Nfs3Handle h;
Nfs3Attr attr;
Nfs3Status ok;
vlong o;
dflag = 0;
ARGBEGIN{
default:
usage:
return "usage: get path [lpath]]";
}ARGEND
if(argc != 1 && argc != 2)
goto usage;
if((e = walk(argv[0], &h)) != nil){
fprint(2, "%s: %s\n", argv[0], e);
return nil;
}
if((ok = fsysgetattr(fsys, auth, &h, &attr)) != Nfs3Ok){
nfs3errstr(ok);
fprint(2, "%s: %r\n", argv[0]);
return nil;
}
local = argv[0];
if(argc == 2)
local = argv[1];
if((fd = create(local, OWRITE, 0666)) < 0){
fprint(2, "create %s: %r\n", local);
return nil;
}
eof = 0;
for(o=0; o<attr.size && !eof; o+=n){
if((ok = fsysreadfile(fsys, nil, &h, fsys->blocksize, o, &buf, &n, &eof)) != Nfs3Ok){
nfs3errstr(ok);
fprint(2, "reading %s: %r\n", argv[0]);
close(fd);
return nil;
}
if(write(fd, buf, n) != n){
fprint(2, "writing %s: %r\n", local);
close(fd);
free(buf);
return nil;
}
free(buf);
}
close(fd);
fprint(2, "copied %,lld bytes\n", o);
return nil;
}
char*
cmdblock(int argc, char **argv)
{
@ -334,17 +396,24 @@ threadmain(int argc, char **argv)
fmtinstall('F', vtfcallfmt);
fmtinstall('H', encodefmt);
fmtinstall('V', vtscorefmt);
if(vtparsescore(argv[0], nil, score) < 0)
sysfatal("bad score '%s'", argv[0]);
if((z = vtdial(nil)) == nil)
sysfatal("vtdial: %r");
if(vtconnect(z) < 0)
sysfatal("vtconnect: %r");
if((c = vtcachealloc(z, 16384, 32)) == nil)
sysfatal("vtcache: %r");
if((disk = diskopenventi(c, score)) == nil)
sysfatal("diskopenventi: %r");
if(access(argv[0], AEXIST) >= 0 || strchr(argv[0], '/')){
if((disk = diskopenfile(argv[0])) == nil)
sysfatal("diskopen: %r");
if((disk = diskcache(disk, 16384, 16)) == nil)
sysfatal("diskcache: %r");
}else{
if(vtparsescore(argv[0], nil, score) < 0)
sysfatal("bad score '%s'", argv[0]);
if((z = vtdial(nil)) == nil)
sysfatal("vtdial: %r");
if(vtconnect(z) < 0)
sysfatal("vtconnect: %r");
if((c = vtcachealloc(z, 16384, 32)) == nil)
sysfatal("vtcache: %r");
if((disk = diskopenventi(c, score)) == nil)
sysfatal("diskopenventi: %r");
}
if((fsys = fsysopen(disk)) == nil)
sysfatal("ffsopen: %r");