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@@ -1,325 +1,353 b'' | |||||
1 | # sshpeer.py - ssh repository proxy class for mercurial |
|
1 | # sshpeer.py - ssh repository proxy class for mercurial | |
2 | # |
|
2 | # | |
3 | # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com> |
|
3 | # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com> | |
4 | # |
|
4 | # | |
5 | # This software may be used and distributed according to the terms of the |
|
5 | # This software may be used and distributed according to the terms of the | |
6 | # GNU General Public License version 2 or any later version. |
|
6 | # GNU General Public License version 2 or any later version. | |
7 |
|
7 | |||
8 | from __future__ import absolute_import |
|
8 | from __future__ import absolute_import | |
9 |
|
9 | |||
10 | import re |
|
10 | import re | |
11 |
|
11 | |||
12 | from .i18n import _ |
|
12 | from .i18n import _ | |
13 | from . import ( |
|
13 | from . import ( | |
14 | error, |
|
14 | error, | |
15 | pycompat, |
|
15 | pycompat, | |
|
16 | repository, | |||
16 | util, |
|
17 | util, | |
17 | wireproto, |
|
18 | wireproto, | |
18 | ) |
|
19 | ) | |
19 |
|
20 | |||
20 | def _serverquote(s): |
|
21 | def _serverquote(s): | |
21 | if not s: |
|
22 | if not s: | |
22 | return s |
|
23 | return s | |
23 | '''quote a string for the remote shell ... which we assume is sh''' |
|
24 | '''quote a string for the remote shell ... which we assume is sh''' | |
24 | if re.match('[a-zA-Z0-9@%_+=:,./-]*$', s): |
|
25 | if re.match('[a-zA-Z0-9@%_+=:,./-]*$', s): | |
25 | return s |
|
26 | return s | |
26 | return "'%s'" % s.replace("'", "'\\''") |
|
27 | return "'%s'" % s.replace("'", "'\\''") | |
27 |
|
28 | |||
28 | def _forwardoutput(ui, pipe): |
|
29 | def _forwardoutput(ui, pipe): | |
29 | """display all data currently available on pipe as remote output. |
|
30 | """display all data currently available on pipe as remote output. | |
30 |
|
31 | |||
31 | This is non blocking.""" |
|
32 | This is non blocking.""" | |
32 | s = util.readpipe(pipe) |
|
33 | s = util.readpipe(pipe) | |
33 | if s: |
|
34 | if s: | |
34 | for l in s.splitlines(): |
|
35 | for l in s.splitlines(): | |
35 | ui.status(_("remote: "), l, '\n') |
|
36 | ui.status(_("remote: "), l, '\n') | |
36 |
|
37 | |||
37 | class doublepipe(object): |
|
38 | class doublepipe(object): | |
38 | """Operate a side-channel pipe in addition of a main one |
|
39 | """Operate a side-channel pipe in addition of a main one | |
39 |
|
40 | |||
40 | The side-channel pipe contains server output to be forwarded to the user |
|
41 | The side-channel pipe contains server output to be forwarded to the user | |
41 | input. The double pipe will behave as the "main" pipe, but will ensure the |
|
42 | input. The double pipe will behave as the "main" pipe, but will ensure the | |
42 | content of the "side" pipe is properly processed while we wait for blocking |
|
43 | content of the "side" pipe is properly processed while we wait for blocking | |
43 | call on the "main" pipe. |
|
44 | call on the "main" pipe. | |
44 |
|
45 | |||
45 | If large amounts of data are read from "main", the forward will cease after |
|
46 | If large amounts of data are read from "main", the forward will cease after | |
46 | the first bytes start to appear. This simplifies the implementation |
|
47 | the first bytes start to appear. This simplifies the implementation | |
47 | without affecting actual output of sshpeer too much as we rarely issue |
|
48 | without affecting actual output of sshpeer too much as we rarely issue | |
48 | large read for data not yet emitted by the server. |
|
49 | large read for data not yet emitted by the server. | |
49 |
|
50 | |||
50 | The main pipe is expected to be a 'bufferedinputpipe' from the util module |
|
51 | The main pipe is expected to be a 'bufferedinputpipe' from the util module | |
51 | that handle all the os specific bits. This class lives in this module |
|
52 | that handle all the os specific bits. This class lives in this module | |
52 | because it focus on behavior specific to the ssh protocol.""" |
|
53 | because it focus on behavior specific to the ssh protocol.""" | |
53 |
|
54 | |||
54 | def __init__(self, ui, main, side): |
|
55 | def __init__(self, ui, main, side): | |
55 | self._ui = ui |
|
56 | self._ui = ui | |
56 | self._main = main |
|
57 | self._main = main | |
57 | self._side = side |
|
58 | self._side = side | |
58 |
|
59 | |||
59 | def _wait(self): |
|
60 | def _wait(self): | |
60 | """wait until some data are available on main or side |
|
61 | """wait until some data are available on main or side | |
61 |
|
62 | |||
62 | return a pair of boolean (ismainready, issideready) |
|
63 | return a pair of boolean (ismainready, issideready) | |
63 |
|
64 | |||
64 | (This will only wait for data if the setup is supported by `util.poll`) |
|
65 | (This will only wait for data if the setup is supported by `util.poll`) | |
65 | """ |
|
66 | """ | |
66 | if getattr(self._main, 'hasbuffer', False): # getattr for classic pipe |
|
67 | if getattr(self._main, 'hasbuffer', False): # getattr for classic pipe | |
67 | return (True, True) # main has data, assume side is worth poking at. |
|
68 | return (True, True) # main has data, assume side is worth poking at. | |
68 | fds = [self._main.fileno(), self._side.fileno()] |
|
69 | fds = [self._main.fileno(), self._side.fileno()] | |
69 | try: |
|
70 | try: | |
70 | act = util.poll(fds) |
|
71 | act = util.poll(fds) | |
71 | except NotImplementedError: |
|
72 | except NotImplementedError: | |
72 | # non supported yet case, assume all have data. |
|
73 | # non supported yet case, assume all have data. | |
73 | act = fds |
|
74 | act = fds | |
74 | return (self._main.fileno() in act, self._side.fileno() in act) |
|
75 | return (self._main.fileno() in act, self._side.fileno() in act) | |
75 |
|
76 | |||
76 | def write(self, data): |
|
77 | def write(self, data): | |
77 | return self._call('write', data) |
|
78 | return self._call('write', data) | |
78 |
|
79 | |||
79 | def read(self, size): |
|
80 | def read(self, size): | |
80 | r = self._call('read', size) |
|
81 | r = self._call('read', size) | |
81 | if size != 0 and not r: |
|
82 | if size != 0 and not r: | |
82 | # We've observed a condition that indicates the |
|
83 | # We've observed a condition that indicates the | |
83 | # stdout closed unexpectedly. Check stderr one |
|
84 | # stdout closed unexpectedly. Check stderr one | |
84 | # more time and snag anything that's there before |
|
85 | # more time and snag anything that's there before | |
85 | # letting anyone know the main part of the pipe |
|
86 | # letting anyone know the main part of the pipe | |
86 | # closed prematurely. |
|
87 | # closed prematurely. | |
87 | _forwardoutput(self._ui, self._side) |
|
88 | _forwardoutput(self._ui, self._side) | |
88 | return r |
|
89 | return r | |
89 |
|
90 | |||
90 | def readline(self): |
|
91 | def readline(self): | |
91 | return self._call('readline') |
|
92 | return self._call('readline') | |
92 |
|
93 | |||
93 | def _call(self, methname, data=None): |
|
94 | def _call(self, methname, data=None): | |
94 | """call <methname> on "main", forward output of "side" while blocking |
|
95 | """call <methname> on "main", forward output of "side" while blocking | |
95 | """ |
|
96 | """ | |
96 | # data can be '' or 0 |
|
97 | # data can be '' or 0 | |
97 | if (data is not None and not data) or self._main.closed: |
|
98 | if (data is not None and not data) or self._main.closed: | |
98 | _forwardoutput(self._ui, self._side) |
|
99 | _forwardoutput(self._ui, self._side) | |
99 | return '' |
|
100 | return '' | |
100 | while True: |
|
101 | while True: | |
101 | mainready, sideready = self._wait() |
|
102 | mainready, sideready = self._wait() | |
102 | if sideready: |
|
103 | if sideready: | |
103 | _forwardoutput(self._ui, self._side) |
|
104 | _forwardoutput(self._ui, self._side) | |
104 | if mainready: |
|
105 | if mainready: | |
105 | meth = getattr(self._main, methname) |
|
106 | meth = getattr(self._main, methname) | |
106 | if data is None: |
|
107 | if data is None: | |
107 | return meth() |
|
108 | return meth() | |
108 | else: |
|
109 | else: | |
109 | return meth(data) |
|
110 | return meth(data) | |
110 |
|
111 | |||
111 | def close(self): |
|
112 | def close(self): | |
112 | return self._main.close() |
|
113 | return self._main.close() | |
113 |
|
114 | |||
114 | def flush(self): |
|
115 | def flush(self): | |
115 | return self._main.flush() |
|
116 | return self._main.flush() | |
116 |
|
117 | |||
117 | class sshpeer(wireproto.wirepeer): |
|
118 | class sshpeer(wireproto.wirepeer, repository.legacypeer): | |
118 | def __init__(self, ui, path, create=False): |
|
119 | def __init__(self, ui, path, create=False): | |
119 | self._url = path |
|
120 | self._url = path | |
120 | self.ui = ui |
|
121 | self._ui = ui | |
121 | self._pipeo = self._pipei = self._pipee = None |
|
122 | self._pipeo = self._pipei = self._pipee = None | |
122 |
|
123 | |||
123 | u = util.url(path, parsequery=False, parsefragment=False) |
|
124 | u = util.url(path, parsequery=False, parsefragment=False) | |
124 | if u.scheme != 'ssh' or not u.host or u.path is None: |
|
125 | if u.scheme != 'ssh' or not u.host or u.path is None: | |
125 | self._abort(error.RepoError(_("couldn't parse location %s") % path)) |
|
126 | self._abort(error.RepoError(_("couldn't parse location %s") % path)) | |
126 |
|
127 | |||
127 | util.checksafessh(path) |
|
128 | util.checksafessh(path) | |
128 |
|
129 | |||
129 | if u.passwd is not None: |
|
130 | if u.passwd is not None: | |
130 | self._abort(error.RepoError(_("password in URL not supported"))) |
|
131 | self._abort(error.RepoError(_("password in URL not supported"))) | |
131 |
|
132 | |||
132 | self._user = u.user |
|
133 | self._user = u.user | |
133 | self._host = u.host |
|
134 | self._host = u.host | |
134 | self._port = u.port |
|
135 | self._port = u.port | |
135 | self._path = u.path or '.' |
|
136 | self._path = u.path or '.' | |
136 |
|
137 | |||
137 | sshcmd = self.ui.config("ui", "ssh") |
|
138 | sshcmd = self.ui.config("ui", "ssh") | |
138 | remotecmd = self.ui.config("ui", "remotecmd") |
|
139 | remotecmd = self.ui.config("ui", "remotecmd") | |
139 |
|
140 | |||
140 | args = util.sshargs(sshcmd, self._host, self._user, self._port) |
|
141 | args = util.sshargs(sshcmd, self._host, self._user, self._port) | |
141 |
|
142 | |||
142 | if create: |
|
143 | if create: | |
143 | cmd = '%s %s %s' % (sshcmd, args, |
|
144 | cmd = '%s %s %s' % (sshcmd, args, | |
144 | util.shellquote("%s init %s" % |
|
145 | util.shellquote("%s init %s" % | |
145 | (_serverquote(remotecmd), _serverquote(self._path)))) |
|
146 | (_serverquote(remotecmd), _serverquote(self._path)))) | |
146 | ui.debug('running %s\n' % cmd) |
|
147 | ui.debug('running %s\n' % cmd) | |
147 | res = ui.system(cmd, blockedtag='sshpeer') |
|
148 | res = ui.system(cmd, blockedtag='sshpeer') | |
148 | if res != 0: |
|
149 | if res != 0: | |
149 | self._abort(error.RepoError(_("could not create remote repo"))) |
|
150 | self._abort(error.RepoError(_("could not create remote repo"))) | |
150 |
|
151 | |||
151 | self._validaterepo(sshcmd, args, remotecmd) |
|
152 | self._validaterepo(sshcmd, args, remotecmd) | |
152 |
|
153 | |||
|
154 | # TODO remove this alias once peerrepository inheritance is removed. | |||
|
155 | self._capabilities = self.capabilities | |||
|
156 | ||||
|
157 | # Begin of _basepeer interface. | |||
|
158 | ||||
|
159 | @util.propertycache | |||
|
160 | def ui(self): | |||
|
161 | return self._ui | |||
|
162 | ||||
153 | def url(self): |
|
163 | def url(self): | |
154 | return self._url |
|
164 | return self._url | |
155 |
|
165 | |||
|
166 | def local(self): | |||
|
167 | return None | |||
|
168 | ||||
|
169 | def peer(self): | |||
|
170 | return self | |||
|
171 | ||||
|
172 | def canpush(self): | |||
|
173 | return True | |||
|
174 | ||||
|
175 | def close(self): | |||
|
176 | pass | |||
|
177 | ||||
|
178 | # End of _basepeer interface. | |||
|
179 | ||||
|
180 | # Begin of _basewirecommands interface. | |||
|
181 | ||||
|
182 | def capabilities(self): | |||
|
183 | return self._caps | |||
|
184 | ||||
|
185 | # End of _basewirecommands interface. | |||
|
186 | ||||
156 | def _validaterepo(self, sshcmd, args, remotecmd): |
|
187 | def _validaterepo(self, sshcmd, args, remotecmd): | |
157 | # cleanup up previous run |
|
188 | # cleanup up previous run | |
158 | self._cleanup() |
|
189 | self._cleanup() | |
159 |
|
190 | |||
160 | cmd = '%s %s %s' % (sshcmd, args, |
|
191 | cmd = '%s %s %s' % (sshcmd, args, | |
161 | util.shellquote("%s -R %s serve --stdio" % |
|
192 | util.shellquote("%s -R %s serve --stdio" % | |
162 | (_serverquote(remotecmd), _serverquote(self._path)))) |
|
193 | (_serverquote(remotecmd), _serverquote(self._path)))) | |
163 | self.ui.debug('running %s\n' % cmd) |
|
194 | self.ui.debug('running %s\n' % cmd) | |
164 | cmd = util.quotecommand(cmd) |
|
195 | cmd = util.quotecommand(cmd) | |
165 |
|
196 | |||
166 | # while self._subprocess isn't used, having it allows the subprocess to |
|
197 | # while self._subprocess isn't used, having it allows the subprocess to | |
167 | # to clean up correctly later |
|
198 | # to clean up correctly later | |
168 | # |
|
199 | # | |
169 | # no buffer allow the use of 'select' |
|
200 | # no buffer allow the use of 'select' | |
170 | # feel free to remove buffering and select usage when we ultimately |
|
201 | # feel free to remove buffering and select usage when we ultimately | |
171 | # move to threading. |
|
202 | # move to threading. | |
172 | sub = util.popen4(cmd, bufsize=0) |
|
203 | sub = util.popen4(cmd, bufsize=0) | |
173 | self._pipeo, self._pipei, self._pipee, self._subprocess = sub |
|
204 | self._pipeo, self._pipei, self._pipee, self._subprocess = sub | |
174 |
|
205 | |||
175 | self._pipei = util.bufferedinputpipe(self._pipei) |
|
206 | self._pipei = util.bufferedinputpipe(self._pipei) | |
176 | self._pipei = doublepipe(self.ui, self._pipei, self._pipee) |
|
207 | self._pipei = doublepipe(self.ui, self._pipei, self._pipee) | |
177 | self._pipeo = doublepipe(self.ui, self._pipeo, self._pipee) |
|
208 | self._pipeo = doublepipe(self.ui, self._pipeo, self._pipee) | |
178 |
|
209 | |||
179 | # skip any noise generated by remote shell |
|
210 | # skip any noise generated by remote shell | |
180 | self._callstream("hello") |
|
211 | self._callstream("hello") | |
181 | r = self._callstream("between", pairs=("%s-%s" % ("0"*40, "0"*40))) |
|
212 | r = self._callstream("between", pairs=("%s-%s" % ("0"*40, "0"*40))) | |
182 | lines = ["", "dummy"] |
|
213 | lines = ["", "dummy"] | |
183 | max_noise = 500 |
|
214 | max_noise = 500 | |
184 | while lines[-1] and max_noise: |
|
215 | while lines[-1] and max_noise: | |
185 | l = r.readline() |
|
216 | l = r.readline() | |
186 | self._readerr() |
|
217 | self._readerr() | |
187 | if lines[-1] == "1\n" and l == "\n": |
|
218 | if lines[-1] == "1\n" and l == "\n": | |
188 | break |
|
219 | break | |
189 | if l: |
|
220 | if l: | |
190 | self.ui.debug("remote: ", l) |
|
221 | self.ui.debug("remote: ", l) | |
191 | lines.append(l) |
|
222 | lines.append(l) | |
192 | max_noise -= 1 |
|
223 | max_noise -= 1 | |
193 | else: |
|
224 | else: | |
194 | self._abort(error.RepoError(_('no suitable response from ' |
|
225 | self._abort(error.RepoError(_('no suitable response from ' | |
195 | 'remote hg'))) |
|
226 | 'remote hg'))) | |
196 |
|
227 | |||
197 | self._caps = set() |
|
228 | self._caps = set() | |
198 | for l in reversed(lines): |
|
229 | for l in reversed(lines): | |
199 | if l.startswith("capabilities:"): |
|
230 | if l.startswith("capabilities:"): | |
200 | self._caps.update(l[:-1].split(":")[1].split()) |
|
231 | self._caps.update(l[:-1].split(":")[1].split()) | |
201 | break |
|
232 | break | |
202 |
|
233 | |||
203 | def _capabilities(self): |
|
|||
204 | return self._caps |
|
|||
205 |
|
||||
206 | def _readerr(self): |
|
234 | def _readerr(self): | |
207 | _forwardoutput(self.ui, self._pipee) |
|
235 | _forwardoutput(self.ui, self._pipee) | |
208 |
|
236 | |||
209 | def _abort(self, exception): |
|
237 | def _abort(self, exception): | |
210 | self._cleanup() |
|
238 | self._cleanup() | |
211 | raise exception |
|
239 | raise exception | |
212 |
|
240 | |||
213 | def _cleanup(self): |
|
241 | def _cleanup(self): | |
214 | if self._pipeo is None: |
|
242 | if self._pipeo is None: | |
215 | return |
|
243 | return | |
216 | self._pipeo.close() |
|
244 | self._pipeo.close() | |
217 | self._pipei.close() |
|
245 | self._pipei.close() | |
218 | try: |
|
246 | try: | |
219 | # read the error descriptor until EOF |
|
247 | # read the error descriptor until EOF | |
220 | for l in self._pipee: |
|
248 | for l in self._pipee: | |
221 | self.ui.status(_("remote: "), l) |
|
249 | self.ui.status(_("remote: "), l) | |
222 | except (IOError, ValueError): |
|
250 | except (IOError, ValueError): | |
223 | pass |
|
251 | pass | |
224 | self._pipee.close() |
|
252 | self._pipee.close() | |
225 |
|
253 | |||
226 | __del__ = _cleanup |
|
254 | __del__ = _cleanup | |
227 |
|
255 | |||
228 | def _submitbatch(self, req): |
|
256 | def _submitbatch(self, req): | |
229 | rsp = self._callstream("batch", cmds=wireproto.encodebatchcmds(req)) |
|
257 | rsp = self._callstream("batch", cmds=wireproto.encodebatchcmds(req)) | |
230 | available = self._getamount() |
|
258 | available = self._getamount() | |
231 | # TODO this response parsing is probably suboptimal for large |
|
259 | # TODO this response parsing is probably suboptimal for large | |
232 | # batches with large responses. |
|
260 | # batches with large responses. | |
233 | toread = min(available, 1024) |
|
261 | toread = min(available, 1024) | |
234 | work = rsp.read(toread) |
|
262 | work = rsp.read(toread) | |
235 | available -= toread |
|
263 | available -= toread | |
236 | chunk = work |
|
264 | chunk = work | |
237 | while chunk: |
|
265 | while chunk: | |
238 | while ';' in work: |
|
266 | while ';' in work: | |
239 | one, work = work.split(';', 1) |
|
267 | one, work = work.split(';', 1) | |
240 | yield wireproto.unescapearg(one) |
|
268 | yield wireproto.unescapearg(one) | |
241 | toread = min(available, 1024) |
|
269 | toread = min(available, 1024) | |
242 | chunk = rsp.read(toread) |
|
270 | chunk = rsp.read(toread) | |
243 | available -= toread |
|
271 | available -= toread | |
244 | work += chunk |
|
272 | work += chunk | |
245 | yield wireproto.unescapearg(work) |
|
273 | yield wireproto.unescapearg(work) | |
246 |
|
274 | |||
247 | def _callstream(self, cmd, **args): |
|
275 | def _callstream(self, cmd, **args): | |
248 | args = pycompat.byteskwargs(args) |
|
276 | args = pycompat.byteskwargs(args) | |
249 | self.ui.debug("sending %s command\n" % cmd) |
|
277 | self.ui.debug("sending %s command\n" % cmd) | |
250 | self._pipeo.write("%s\n" % cmd) |
|
278 | self._pipeo.write("%s\n" % cmd) | |
251 | _func, names = wireproto.commands[cmd] |
|
279 | _func, names = wireproto.commands[cmd] | |
252 | keys = names.split() |
|
280 | keys = names.split() | |
253 | wireargs = {} |
|
281 | wireargs = {} | |
254 | for k in keys: |
|
282 | for k in keys: | |
255 | if k == '*': |
|
283 | if k == '*': | |
256 | wireargs['*'] = args |
|
284 | wireargs['*'] = args | |
257 | break |
|
285 | break | |
258 | else: |
|
286 | else: | |
259 | wireargs[k] = args[k] |
|
287 | wireargs[k] = args[k] | |
260 | del args[k] |
|
288 | del args[k] | |
261 | for k, v in sorted(wireargs.iteritems()): |
|
289 | for k, v in sorted(wireargs.iteritems()): | |
262 | self._pipeo.write("%s %d\n" % (k, len(v))) |
|
290 | self._pipeo.write("%s %d\n" % (k, len(v))) | |
263 | if isinstance(v, dict): |
|
291 | if isinstance(v, dict): | |
264 | for dk, dv in v.iteritems(): |
|
292 | for dk, dv in v.iteritems(): | |
265 | self._pipeo.write("%s %d\n" % (dk, len(dv))) |
|
293 | self._pipeo.write("%s %d\n" % (dk, len(dv))) | |
266 | self._pipeo.write(dv) |
|
294 | self._pipeo.write(dv) | |
267 | else: |
|
295 | else: | |
268 | self._pipeo.write(v) |
|
296 | self._pipeo.write(v) | |
269 | self._pipeo.flush() |
|
297 | self._pipeo.flush() | |
270 |
|
298 | |||
271 | return self._pipei |
|
299 | return self._pipei | |
272 |
|
300 | |||
273 | def _callcompressable(self, cmd, **args): |
|
301 | def _callcompressable(self, cmd, **args): | |
274 | return self._callstream(cmd, **args) |
|
302 | return self._callstream(cmd, **args) | |
275 |
|
303 | |||
276 | def _call(self, cmd, **args): |
|
304 | def _call(self, cmd, **args): | |
277 | self._callstream(cmd, **args) |
|
305 | self._callstream(cmd, **args) | |
278 | return self._recv() |
|
306 | return self._recv() | |
279 |
|
307 | |||
280 | def _callpush(self, cmd, fp, **args): |
|
308 | def _callpush(self, cmd, fp, **args): | |
281 | r = self._call(cmd, **args) |
|
309 | r = self._call(cmd, **args) | |
282 | if r: |
|
310 | if r: | |
283 | return '', r |
|
311 | return '', r | |
284 | for d in iter(lambda: fp.read(4096), ''): |
|
312 | for d in iter(lambda: fp.read(4096), ''): | |
285 | self._send(d) |
|
313 | self._send(d) | |
286 | self._send("", flush=True) |
|
314 | self._send("", flush=True) | |
287 | r = self._recv() |
|
315 | r = self._recv() | |
288 | if r: |
|
316 | if r: | |
289 | return '', r |
|
317 | return '', r | |
290 | return self._recv(), '' |
|
318 | return self._recv(), '' | |
291 |
|
319 | |||
292 | def _calltwowaystream(self, cmd, fp, **args): |
|
320 | def _calltwowaystream(self, cmd, fp, **args): | |
293 | r = self._call(cmd, **args) |
|
321 | r = self._call(cmd, **args) | |
294 | if r: |
|
322 | if r: | |
295 | # XXX needs to be made better |
|
323 | # XXX needs to be made better | |
296 | raise error.Abort(_('unexpected remote reply: %s') % r) |
|
324 | raise error.Abort(_('unexpected remote reply: %s') % r) | |
297 | for d in iter(lambda: fp.read(4096), ''): |
|
325 | for d in iter(lambda: fp.read(4096), ''): | |
298 | self._send(d) |
|
326 | self._send(d) | |
299 | self._send("", flush=True) |
|
327 | self._send("", flush=True) | |
300 | return self._pipei |
|
328 | return self._pipei | |
301 |
|
329 | |||
302 | def _getamount(self): |
|
330 | def _getamount(self): | |
303 | l = self._pipei.readline() |
|
331 | l = self._pipei.readline() | |
304 | if l == '\n': |
|
332 | if l == '\n': | |
305 | self._readerr() |
|
333 | self._readerr() | |
306 | msg = _('check previous remote output') |
|
334 | msg = _('check previous remote output') | |
307 | self._abort(error.OutOfBandError(hint=msg)) |
|
335 | self._abort(error.OutOfBandError(hint=msg)) | |
308 | self._readerr() |
|
336 | self._readerr() | |
309 | try: |
|
337 | try: | |
310 | return int(l) |
|
338 | return int(l) | |
311 | except ValueError: |
|
339 | except ValueError: | |
312 | self._abort(error.ResponseError(_("unexpected response:"), l)) |
|
340 | self._abort(error.ResponseError(_("unexpected response:"), l)) | |
313 |
|
341 | |||
314 | def _recv(self): |
|
342 | def _recv(self): | |
315 | return self._pipei.read(self._getamount()) |
|
343 | return self._pipei.read(self._getamount()) | |
316 |
|
344 | |||
317 | def _send(self, data, flush=False): |
|
345 | def _send(self, data, flush=False): | |
318 | self._pipeo.write("%d\n" % len(data)) |
|
346 | self._pipeo.write("%d\n" % len(data)) | |
319 | if data: |
|
347 | if data: | |
320 | self._pipeo.write(data) |
|
348 | self._pipeo.write(data) | |
321 | if flush: |
|
349 | if flush: | |
322 | self._pipeo.flush() |
|
350 | self._pipeo.flush() | |
323 | self._readerr() |
|
351 | self._readerr() | |
324 |
|
352 | |||
325 | instance = sshpeer |
|
353 | instance = sshpeer |
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