rfa.ps

来自「ftam等标准协议服务器和客户端的源代码。」· PS 代码 · 共 1,762 行 · 第 1/5 页

(is)S 17 x(given,)S 18 x(the)S 18 x(current)S 18 x(working)S 17 x
(directory)S 18 x(is)S 18 x(listed.)S 27 x(The)S 18 x(output)S 18 x
(of)S 17 x(the)S 18 x F75(list)S 18 x F44(command)S 18 x(is)S 58 y 
295 X(similar)S 19 x(to)S 19 x(the)S 18 x(output)S 18 x(of)S 19 x
(the)S 18 x(UNIX)S 19 x F75(ls)S 17 x(-lg)S 18 x F44(command,)S 19 x
(e.g.)S 1664 Y 413 X F78(-rw-rw-r--)S 25 x(M-A)S 25 x(ow)S 1011 X
(verdi)S 1360 X(754)S 24 x(Jul)S 25 x(12)S 25 x(13:59)S 50 x
(.sunview)S 50 y 413 X(drwxr-xr-x)S 25 x(---)S 25 x(ow)S 1011 X
(verdi)S 1360 X(512)S 24 x(Jul)S 25 x(12)S 25 x(14:01)S 50 x(bin)S
1804 Y 295 X F44(The)S 15 x(three)S 15 x(character)S 15 x(\014eld)S
16 x(after)S 15 x(the)S 15 x(\014le)S 15 x(permissions)S 15 x(is)S
16 x(used)S 15 x(to)S 15 x(indicated)S 16 x(the)S 16 x(dif)S -1 x
(ferent)S 15 x(rfa-speci\014c)S 16 x(states)S 59 y 295 X(of)S 17 x
(the)S 17 x(\014le.)S 25 x(The)S 17 x(\014rst)S 17 x(character)S 
17 x(indicates)S 17 x(the)S 17 x(status)S 17 x(of)S 17 x(the)S 17 x
(\014le,)S 18 x(with)S 17 x F78(M)S 17 x F44(for)S 17 x(master)S 
17 x(version,)S 17 x F78(S)S 17 x F44(for)S 17 x(slave)S 58 y 295 X
(V)S -5 x(ersion)S 13 x(and)S 13 x F78(-)S 13 x F44(for)S 13 x
(unregistered)S 13 x(version.)S 20 x(The)S 12 x(second)S 13 x
(character)S 13 x(is)S 13 x(the)S 13 x(lock)S 13 x(indicator)S 13 x
(with)S 13 x(an)S 13 x F78(L)S 12 x F44(indicating)S 58 y 295 X
(that)S 14 x(the)S 14 x(\014le)S 13 x(is)S 14 x(currently)S 14 x
(locked)S 14 x(and)S 13 x(an)S 13 x F78(-)S 14 x F44(for)S 14 x
(unlocked.)S 20 x(The)S 13 x(third)S 14 x(character)S 14 x
(indicates)S 14 x(the)S 13 x(transfer)S 14 x(mode)S 58 y 295 X(of)S
18 x(the)S 17 x(\014les)S 17 x(with)S 17 x F78(A)S 17 x F44(for)S 
17 x(automatic)S 17 x(transfer)S 17 x(and)S 18 x F78(-)S 17 x F44
(for)S 18 x(transfer)S 17 x(on)S 18 x(request.)S 2222 Y 295 X F76
(3.4)S 50 x(rlist)S 2337 Y 295 X F44(The)S 18 x F75(rlist)S 17 x F44
(command)S 17 x(is)S 18 x(similar)S 17 x(to)S 18 x(the)S 18 x F75
(list)S 18 x F44(command)S 18 x(with)S 18 x(the)S 17 x(dif)S -1 x
(ference)S 17 x(that)S 18 x(the)S 17 x(\014les)S 18 x(in)S 18 x(the)S
18 x(directory)S 59 y 295 X(at)S 21 x(the)S 20 x(remote)S 21 x(site)S
21 x(are)S 20 x(listed.)S 2580 Y 295 X F76(3.5)S 50 x(lock)S 2696 Y 
295 X F44(The)S 14 x F75(lock)S 14 x F44(command)S 14 x(is)S 14 x
(used)S 13 x(to)S 13 x(get)S 14 x(a)S 14 x(locked)S 13 x(local)S 
14 x(version)S 14 x(of)S 14 x(the)S 13 x(\014le\(s\))S 14 x(that)S
14 x(are)S 13 x(provided)S 13 x(as)S 14 x(ar)S -1 x(gument\(s\))S 
58 y 295 X(to)S 19 x(the)S 19 x(command.)S 32 x(Only)S 19 x(regular)S
19 x(\014les)S 19 x(within)S 19 x(the)S 19 x(shared)S 19 x(subtree)S
19 x(are)S 19 x(valid.)S 32 x(It)S 19 x(is)S 19 x(not)S 19 x
(possible)S 19 x(to)S 19 x(lock)S 58 y 295 X(directories,)S 16 x
(links,)S 16 x(etc.)S 21 x(.)S 21 x(If)S 15 x(the)S 15 x(name)S 15 x
(of)S 16 x(the)S 15 x(\014le)S 16 x(to)S 16 x(be)S 15 x(locked)S 
15 x(is)S 15 x(a)S 16 x(symbolic)S 16 x(link,)S 15 x(the)S 16 x
(\014le)S 15 x(referenced)S 15 x(by)S 58 y 295 X(the)S 18 x(link)S
19 x(is)S 18 x(locked)S 18 x(if)S 19 x(it)S 18 x(is)S 18 x(located)S
18 x(within)S 18 x(the)S 18 x(shared)S 19 x(subtree.)S 75 y 295 X
(The)S 18 x F75(lock)S 18 x F44(command)S 18 x(should)S 18 x(be)S 
18 x(used)S 18 x(whenever)S 18 x(a)S 18 x(\014le)S 17 x(within)S 
18 x(the)S 18 x(shared)S 18 x(subtree)S 18 x(is)S 18 x(modi\014ed)S
18 x(to)S 18 x(ensure)S 58 y 295 X(that)S 18 x(the)S 19 x(local)S 
18 x(version)S 18 x(of)S 19 x(the)S 19 x(\014le)S 19 x(is)S 19 x
(a\))S 19 x(the)S 18 x(master)S 19 x(version)S 19 x(and)S 18 x(b\))S
19 x(not)S 19 x(currently)S 19 x(under)S 18 x(modify-access)S 58 y 
295 X(by)S 21 x(another)S 21 x(local)S 21 x(user.)S 3276 Y 1230 X 
F6(4)S
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200 3 R 1340 281 XY 846 3 R -50 y 1874 X(The)S 25 x(RF)S -3 x(A)S 
26 x(Client)S 459 Y 295 X F44(If)S 15 x(the)S 15 x(local)S 15 x
(version)S 15 x(of)S 15 x(the)S 16 x(\014les)S 15 x(has)S 15 x(a)S
16 x(SLA)S -6 x(VE)S 15 x(status,)S 15 x(the)S 15 x(lock)S 15 x
(command)S 16 x(will)S 15 x(try)S 15 x(to)S 15 x(get)S 15 x(the)S 
15 x(mastership)S 58 y 295 X(for)S 17 x(the)S 18 x(\014le.)S 28 x
(Therefore,)S 18 x(it)S 18 x(\014rst)S 17 x(veri\014es)S 18 x(that)S
18 x(the)S 17 x(local)S 18 x(version)S 18 x(is)S 17 x(up-to-date,)S
19 x(otherwise)S 18 x(it)S 18 x(transfers)S 18 x(the)S 58 y 295 X
(up-to-date)S 15 x(version)S 15 x(from)S 16 x(the)S 15 x(current)S
16 x(master,)S 16 x(similar)S 15 x(to)S 15 x(the)S 16 x F75
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(up-to-date)S 15 x(local)S 58 y 295 X(version)S 11 x(of)S 11 x(the)S
11 x(requested)S 11 x(\014le)S 11 x(exists,)S 12 x(a)S 11 x F75
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(to)S 11 x(the)S 11 x(remote)S 11 x(site)S 11 x(to)S 11 x(transfer)S
11 x(the)S 59 y 295 X(mastership.)S 19 x(If)S 13 x(the)S 13 x
(\014le)S 14 x(is)S 13 x(not)S 13 x(locked)S 13 x(at)S 13 x(the)S 
13 x(remote)S 13 x(site,)S 14 x(the)S 13 x(mastership)S 13 x(is)S 
14 x(granted)S 13 x(to)S 14 x(the)S 14 x(local)S 14 x(site)S 13 x
(which)S 58 y 295 X(then)S 15 x(is)S 15 x(the)S 15 x(new)S 15 x
(master.)S 20 x(The)S 15 x(local)S 16 x(lock)S 15 x(is)S 15 x(set)S
15 x(the)S 15 x(by)S 15 x(setting)S 15 x(the)S 16 x F78(L)S F44
(\(ocked\))S 15 x(\015ag)S 15 x(in)S 15 x(the)S 15 x(local)S 15 x
(\014les)S 15 x(state.)S 831 Y 295 X(If)S 16 x(the)S 16 x(local)S 
16 x(version)S 16 x(of)S 16 x(the)S 16 x(requested)S 16 x(\014le)S
16 x(already)S 16 x(is)S 16 x(the)S 16 x(MASTER)S 16 x(version)S 
16 x(or)S 16 x(is)S 16 x(an)S 16 x(UNREGISTERED)S 58 y 295 X
(\014le,)S 22 x(it)S 20 x(is)S 20 x(checked)S 21 x(if)S 20 x(the)S
21 x(\014le)S 21 x(is)S 21 x(already)S 21 x(locked)S 21 x(by)S 21 x
(another)S 21 x(local)S 21 x(user,)S 22 x(where)S 21 x(the)S 21 x
(requested)S 20 x(lock)S 21 x(is)S 58 y 295 X(rejected.)S 22 x
(Otherwise)S 16 x(the)S 16 x(local)S 16 x(lock)S 15 x(is)S 15 x(set)S
16 x(the)S 15 x(by)S 15 x(setting)S 16 x(the)S 15 x F78(L)S F44
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(lock)S 19 x(command)S 19 x(will)S 20 x(be)S 19 x(applied)S 19 x(in)S
19 x(the)S 19 x(most)S 19 x(cases)S 19 x(to)S 19 x(a)S 20 x(local)S
20 x(version)S 19 x(of)S 20 x(the)S 19 x(\014le)S 20 x(that)S 20 x
(is)S 58 y 295 X(already)S 17 x(master,)S 18 x(it)S 18 x(is)S 18 x
(not)S 17 x(necessary)S 18 x(to)S 18 x(execute)S 18 x(the)S 18 x
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(the)S 18 x(local)S 18 x(lock.)S 28 x(Because)S 58 y 295 X(the)S 
16 x F75(rfa)S 16 x F44(program)S 16 x(includes)S 16 x(the)S 16 x
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(execution)S 17 x(of)S 16 x(the)S 16 x(remote)S 16 x(operations)S 
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12 x(master)S 13 x(version.)S 20 x(If)S 13 x F75(llock)S 13 x F44
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(the)S 17 x(\014le)S 16 x(referenced)S 58 y 295 X(by)S 16 x(the)S 
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(can)S 11 x(be)S 11 x(used)S 11 x(to)S 11 x(request)S 11 x(that)S 
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(version.)S 23 x(If)S 16 x(the)S 16 x(name)S 16 x(of)S 16 x(the)S 
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(the)S 16 x(\014le)S 17 x(referenced)S 16 x(by)S 58 y 295 X(the)S 
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(\014le)S 15 x(is)S 16 x(in)S 16 x(UNREGISTERED)S 16 x(status,)S 
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