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@@ -1,285 +1,285 b'' | |||||
1 | # wireproto.py - generic wire protocol support functions |
|
1 | # wireproto.py - generic wire protocol support functions | |
2 | # |
|
2 | # | |
3 | # Copyright 2005-2010 Matt Mackall <mpm@selenic.com> |
|
3 | # Copyright 2005-2010 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 | import urllib, tempfile, os |
|
8 | import urllib, tempfile, os | |
9 | from i18n import _ |
|
9 | from i18n import _ | |
10 | from node import bin, hex |
|
10 | from node import bin, hex | |
11 | import changegroup as changegroupmod |
|
11 | import changegroup as changegroupmod | |
12 | import streamclone, repo, error, encoding, util |
|
12 | import streamclone, repo, error, encoding, util | |
13 | import pushkey as pushkey_ |
|
13 | import pushkey as pushkey_ | |
14 |
|
14 | |||
15 | # list of nodes encoding / decoding |
|
15 | # list of nodes encoding / decoding | |
16 |
|
16 | |||
17 | def decodelist(l, sep=' '): |
|
17 | def decodelist(l, sep=' '): | |
18 | return map(bin, l.split(sep)) |
|
18 | return map(bin, l.split(sep)) | |
19 |
|
19 | |||
20 | def encodelist(l, sep=' '): |
|
20 | def encodelist(l, sep=' '): | |
21 | return sep.join(map(hex, l)) |
|
21 | return sep.join(map(hex, l)) | |
22 |
|
22 | |||
23 | # client side |
|
23 | # client side | |
24 |
|
24 | |||
25 | class wirerepository(repo.repository): |
|
25 | class wirerepository(repo.repository): | |
26 | def lookup(self, key): |
|
26 | def lookup(self, key): | |
27 | self.requirecap('lookup', _('look up remote revision')) |
|
27 | self.requirecap('lookup', _('look up remote revision')) | |
28 | d = self._call("lookup", key=key) |
|
28 | d = self._call("lookup", key=key) | |
29 | success, data = d[:-1].split(" ", 1) |
|
29 | success, data = d[:-1].split(" ", 1) | |
30 | if int(success): |
|
30 | if int(success): | |
31 | return bin(data) |
|
31 | return bin(data) | |
32 | self._abort(error.RepoError(data)) |
|
32 | self._abort(error.RepoError(data)) | |
33 |
|
33 | |||
34 | def heads(self): |
|
34 | def heads(self): | |
35 | d = self._call("heads") |
|
35 | d = self._call("heads") | |
36 | try: |
|
36 | try: | |
37 | return decodelist(d[:-1]) |
|
37 | return decodelist(d[:-1]) | |
38 | except: |
|
38 | except: | |
39 | self.abort(error.ResponseError(_("unexpected response:"), d)) |
|
39 | self.abort(error.ResponseError(_("unexpected response:"), d)) | |
40 |
|
40 | |||
41 | def branchmap(self): |
|
41 | def branchmap(self): | |
42 | d = self._call("branchmap") |
|
42 | d = self._call("branchmap") | |
43 | try: |
|
43 | try: | |
44 | branchmap = {} |
|
44 | branchmap = {} | |
45 | for branchpart in d.splitlines(): |
|
45 | for branchpart in d.splitlines(): | |
46 | branchname, branchheads = branchpart.split(' ', 1) |
|
46 | branchname, branchheads = branchpart.split(' ', 1) | |
47 | branchname = urllib.unquote(branchname) |
|
47 | branchname = urllib.unquote(branchname) | |
48 | # Earlier servers (1.3.x) send branch names in (their) local |
|
48 | # Earlier servers (1.3.x) send branch names in (their) local | |
49 | # charset. The best we can do is assume it's identical to our |
|
49 | # charset. The best we can do is assume it's identical to our | |
50 | # own local charset, in case it's not utf-8. |
|
50 | # own local charset, in case it's not utf-8. | |
51 | try: |
|
51 | try: | |
52 | branchname.decode('utf-8') |
|
52 | branchname.decode('utf-8') | |
53 | except UnicodeDecodeError: |
|
53 | except UnicodeDecodeError: | |
54 | branchname = encoding.fromlocal(branchname) |
|
54 | branchname = encoding.fromlocal(branchname) | |
55 | branchheads = decodelist(branchheads) |
|
55 | branchheads = decodelist(branchheads) | |
56 | branchmap[branchname] = branchheads |
|
56 | branchmap[branchname] = branchheads | |
57 | return branchmap |
|
57 | return branchmap | |
58 | except TypeError: |
|
58 | except TypeError: | |
59 | self._abort(error.ResponseError(_("unexpected response:"), d)) |
|
59 | self._abort(error.ResponseError(_("unexpected response:"), d)) | |
60 |
|
60 | |||
61 | def branches(self, nodes): |
|
61 | def branches(self, nodes): | |
62 | n = encodelist(nodes) |
|
62 | n = encodelist(nodes) | |
63 | d = self._call("branches", nodes=n) |
|
63 | d = self._call("branches", nodes=n) | |
64 | try: |
|
64 | try: | |
65 | br = [tuple(decodelist(b)) for b in d.splitlines()] |
|
65 | br = [tuple(decodelist(b)) for b in d.splitlines()] | |
66 | return br |
|
66 | return br | |
67 | except: |
|
67 | except: | |
68 | self._abort(error.ResponseError(_("unexpected response:"), d)) |
|
68 | self._abort(error.ResponseError(_("unexpected response:"), d)) | |
69 |
|
69 | |||
70 | def between(self, pairs): |
|
70 | def between(self, pairs): | |
71 | batch = 8 # avoid giant requests |
|
71 | batch = 8 # avoid giant requests | |
72 | r = [] |
|
72 | r = [] | |
73 | for i in xrange(0, len(pairs), batch): |
|
73 | for i in xrange(0, len(pairs), batch): | |
74 | n = " ".join([encodelist(p, '-') for p in pairs[i:i + batch]]) |
|
74 | n = " ".join([encodelist(p, '-') for p in pairs[i:i + batch]]) | |
75 | d = self._call("between", pairs=n) |
|
75 | d = self._call("between", pairs=n) | |
76 | try: |
|
76 | try: | |
77 | r.extend(l and decodelist(l) or [] for l in d.splitlines()) |
|
77 | r.extend(l and decodelist(l) or [] for l in d.splitlines()) | |
78 | except: |
|
78 | except: | |
79 | self._abort(error.ResponseError(_("unexpected response:"), d)) |
|
79 | self._abort(error.ResponseError(_("unexpected response:"), d)) | |
80 | return r |
|
80 | return r | |
81 |
|
81 | |||
82 | def pushkey(self, namespace, key, old, new): |
|
82 | def pushkey(self, namespace, key, old, new): | |
83 | if not self.capable('pushkey'): |
|
83 | if not self.capable('pushkey'): | |
84 | return False |
|
84 | return False | |
85 | d = self._call("pushkey", |
|
85 | d = self._call("pushkey", | |
86 | namespace=namespace, key=key, old=old, new=new) |
|
86 | namespace=namespace, key=key, old=old, new=new) | |
87 | return bool(int(d)) |
|
87 | return bool(int(d)) | |
88 |
|
88 | |||
89 | def listkeys(self, namespace): |
|
89 | def listkeys(self, namespace): | |
90 | if not self.capable('pushkey'): |
|
90 | if not self.capable('pushkey'): | |
91 | return {} |
|
91 | return {} | |
92 | d = self._call("listkeys", namespace=namespace) |
|
92 | d = self._call("listkeys", namespace=namespace) | |
93 | r = {} |
|
93 | r = {} | |
94 | for l in d.splitlines(): |
|
94 | for l in d.splitlines(): | |
95 | k, v = l.split('\t') |
|
95 | k, v = l.split('\t') | |
96 | r[k.decode('string-escape')] = v.decode('string-escape') |
|
96 | r[k.decode('string-escape')] = v.decode('string-escape') | |
97 | return r |
|
97 | return r | |
98 |
|
98 | |||
99 | def stream_out(self): |
|
99 | def stream_out(self): | |
100 | return self._callstream('stream_out') |
|
100 | return self._callstream('stream_out') | |
101 |
|
101 | |||
102 | def changegroup(self, nodes, kind): |
|
102 | def changegroup(self, nodes, kind): | |
103 | n = encodelist(nodes) |
|
103 | n = encodelist(nodes) | |
104 | f = self._callstream("changegroup", roots=n) |
|
104 | f = self._callstream("changegroup", roots=n) | |
105 | return self._decompress(f) |
|
105 | return self._decompress(f) | |
106 |
|
106 | |||
107 | def changegroupsubset(self, bases, heads, kind): |
|
107 | def changegroupsubset(self, bases, heads, kind): | |
108 | self.requirecap('changegroupsubset', _('look up remote changes')) |
|
108 | self.requirecap('changegroupsubset', _('look up remote changes')) | |
109 | bases = encodelist(bases) |
|
109 | bases = encodelist(bases) | |
110 | heads = encodelist(heads) |
|
110 | heads = encodelist(heads) | |
111 | return self._decompress(self._callstream("changegroupsubset", |
|
111 | return self._decompress(self._callstream("changegroupsubset", | |
112 | bases=bases, heads=heads)) |
|
112 | bases=bases, heads=heads)) | |
113 |
|
113 | |||
114 | def unbundle(self, cg, heads, source): |
|
114 | def unbundle(self, cg, heads, source): | |
115 | '''Send cg (a readable file-like object representing the |
|
115 | '''Send cg (a readable file-like object representing the | |
116 | changegroup to push, typically a chunkbuffer object) to the |
|
116 | changegroup to push, typically a chunkbuffer object) to the | |
117 | remote server as a bundle. Return an integer indicating the |
|
117 | remote server as a bundle. Return an integer indicating the | |
118 | result of the push (see localrepository.addchangegroup()).''' |
|
118 | result of the push (see localrepository.addchangegroup()).''' | |
119 |
|
119 | |||
120 | ret, output = self._callpush("unbundle", cg, heads=encodelist(heads)) |
|
120 | ret, output = self._callpush("unbundle", cg, heads=encodelist(heads)) | |
121 | if ret == "": |
|
121 | if ret == "": | |
122 | raise error.ResponseError( |
|
122 | raise error.ResponseError( | |
123 | _('push failed:'), output) |
|
123 | _('push failed:'), output) | |
124 | try: |
|
124 | try: | |
125 | ret = int(ret) |
|
125 | ret = int(ret) | |
126 | except ValueError, err: |
|
126 | except ValueError, err: | |
127 | raise error.ResponseError( |
|
127 | raise error.ResponseError( | |
128 | _('push failed (unexpected response):'), ret) |
|
128 | _('push failed (unexpected response):'), ret) | |
129 |
|
129 | |||
130 | for l in output.splitlines(True): |
|
130 | for l in output.splitlines(True): | |
131 | self.ui.status(_('remote: '), l) |
|
131 | self.ui.status(_('remote: '), l) | |
132 | return ret |
|
132 | return ret | |
133 |
|
133 | |||
134 | # server side |
|
134 | # server side | |
135 |
|
135 | |||
136 | def dispatch(repo, proto, command): |
|
136 | def dispatch(repo, proto, command): | |
137 | func, spec = commands[command] |
|
137 | func, spec = commands[command] | |
138 | args = proto.getargs(spec) |
|
138 | args = proto.getargs(spec) | |
139 | r = func(repo, proto, *args) |
|
139 | r = func(repo, proto, *args) | |
140 | if r != None: |
|
140 | if r != None: | |
141 | proto.respond(r) |
|
141 | proto.respond(r) | |
142 |
|
142 | |||
143 | def between(repo, proto, pairs): |
|
143 | def between(repo, proto, pairs): | |
144 | pairs = [decodelist(p, '-') for p in pairs.split(" ")] |
|
144 | pairs = [decodelist(p, '-') for p in pairs.split(" ")] | |
145 | r = [] |
|
145 | r = [] | |
146 | for b in repo.between(pairs): |
|
146 | for b in repo.between(pairs): | |
147 | r.append(encodelist(b) + "\n") |
|
147 | r.append(encodelist(b) + "\n") | |
148 | return "".join(r) |
|
148 | return "".join(r) | |
149 |
|
149 | |||
150 | def branchmap(repo, proto): |
|
150 | def branchmap(repo, proto): | |
151 | branchmap = repo.branchmap() |
|
151 | branchmap = repo.branchmap() | |
152 | heads = [] |
|
152 | heads = [] | |
153 | for branch, nodes in branchmap.iteritems(): |
|
153 | for branch, nodes in branchmap.iteritems(): | |
154 | branchname = urllib.quote(branch) |
|
154 | branchname = urllib.quote(branch) | |
155 | branchnodes = encodelist(nodes) |
|
155 | branchnodes = encodelist(nodes) | |
156 | heads.append('%s %s' % (branchname, branchnodes)) |
|
156 | heads.append('%s %s' % (branchname, branchnodes)) | |
157 | return '\n'.join(heads) |
|
157 | return '\n'.join(heads) | |
158 |
|
158 | |||
159 | def branches(repo, proto, nodes): |
|
159 | def branches(repo, proto, nodes): | |
160 | nodes = decodelist(nodes) |
|
160 | nodes = decodelist(nodes) | |
161 | r = [] |
|
161 | r = [] | |
162 | for b in repo.branches(nodes): |
|
162 | for b in repo.branches(nodes): | |
163 | r.append(encodelist(b) + "\n") |
|
163 | r.append(encodelist(b) + "\n") | |
164 | return "".join(r) |
|
164 | return "".join(r) | |
165 |
|
165 | |||
166 | def capabilities(repo, proto): |
|
166 | def capabilities(repo, proto): | |
167 | caps = 'lookup changegroupsubset branchmap pushkey'.split() |
|
167 | caps = 'lookup changegroupsubset branchmap pushkey'.split() | |
168 | if streamclone.allowed(repo.ui): |
|
168 | if streamclone.allowed(repo.ui): | |
169 | caps.append('stream=%d' % repo.changelog.version) |
|
169 | caps.append('stream=%d' % repo.changelog.version) | |
170 | caps.append('unbundle=%s' % ','.join(changegroupmod.bundlepriority)) |
|
170 | caps.append('unbundle=%s' % ','.join(changegroupmod.bundlepriority)) | |
171 | return ' '.join(caps) |
|
171 | return ' '.join(caps) | |
172 |
|
172 | |||
173 | def changegroup(repo, proto, roots): |
|
173 | def changegroup(repo, proto, roots): | |
174 | nodes = decodelist(roots) |
|
174 | nodes = decodelist(roots) | |
175 | cg = repo.changegroup(nodes, 'serve') |
|
175 | cg = repo.changegroup(nodes, 'serve') | |
176 | proto.sendchangegroup(cg) |
|
176 | proto.sendchangegroup(cg) | |
177 |
|
177 | |||
178 | def changegroupsubset(repo, proto, bases, heads): |
|
178 | def changegroupsubset(repo, proto, bases, heads): | |
179 | bases = decodelist(bases) |
|
179 | bases = decodelist(bases) | |
180 | heads = decodelist(heads) |
|
180 | heads = decodelist(heads) | |
181 | cg = repo.changegroupsubset(bases, heads, 'serve') |
|
181 | cg = repo.changegroupsubset(bases, heads, 'serve') | |
182 | proto.sendchangegroup(cg) |
|
182 | proto.sendchangegroup(cg) | |
183 |
|
183 | |||
184 | def heads(repo, proto): |
|
184 | def heads(repo, proto): | |
185 | h = repo.heads() |
|
185 | h = repo.heads() | |
186 | return encodelist(h) + "\n" |
|
186 | return encodelist(h) + "\n" | |
187 |
|
187 | |||
188 | def hello(repo, proto): |
|
188 | def hello(repo, proto): | |
189 | '''the hello command returns a set of lines describing various |
|
189 | '''the hello command returns a set of lines describing various | |
190 | interesting things about the server, in an RFC822-like format. |
|
190 | interesting things about the server, in an RFC822-like format. | |
191 | Currently the only one defined is "capabilities", which |
|
191 | Currently the only one defined is "capabilities", which | |
192 | consists of a line in the form: |
|
192 | consists of a line in the form: | |
193 |
|
193 | |||
194 | capabilities: space separated list of tokens |
|
194 | capabilities: space separated list of tokens | |
195 | ''' |
|
195 | ''' | |
196 | return "capabilities: %s\n" % (capabilities(repo, proto)) |
|
196 | return "capabilities: %s\n" % (capabilities(repo, proto)) | |
197 |
|
197 | |||
198 | def listkeys(repo, proto, namespace): |
|
198 | def listkeys(repo, proto, namespace): | |
199 | d = pushkey_.list(repo, namespace).items() |
|
199 | d = pushkey_.list(repo, namespace).items() | |
200 | t = '\n'.join(['%s\t%s' % (k.encode('string-escape'), |
|
200 | t = '\n'.join(['%s\t%s' % (k.encode('string-escape'), | |
201 | v.encode('string-escape')) for k, v in d]) |
|
201 | v.encode('string-escape')) for k, v in d]) | |
202 | return t |
|
202 | return t | |
203 |
|
203 | |||
204 | def lookup(repo, proto, key): |
|
204 | def lookup(repo, proto, key): | |
205 | try: |
|
205 | try: | |
206 | r = hex(repo.lookup(key)) |
|
206 | r = hex(repo.lookup(key)) | |
207 | success = 1 |
|
207 | success = 1 | |
208 | except Exception, inst: |
|
208 | except Exception, inst: | |
209 | r = str(inst) |
|
209 | r = str(inst) | |
210 | success = 0 |
|
210 | success = 0 | |
211 | return "%s %s\n" % (success, r) |
|
211 | return "%s %s\n" % (success, r) | |
212 |
|
212 | |||
213 | def pushkey(repo, proto, namespace, key, old, new): |
|
213 | def pushkey(repo, proto, namespace, key, old, new): | |
214 | r = pushkey_.push(repo, namespace, key, old, new) |
|
214 | r = pushkey_.push(repo, namespace, key, old, new) | |
215 | return '%s\n' % int(r) |
|
215 | return '%s\n' % int(r) | |
216 |
|
216 | |||
217 | def stream(repo, proto): |
|
217 | def stream(repo, proto): | |
218 | try: |
|
218 | try: | |
219 | proto.sendstream(streamclone.stream_out(repo)) |
|
219 | proto.sendstream(streamclone.stream_out(repo)) | |
220 | except streamclone.StreamException, inst: |
|
220 | except streamclone.StreamException, inst: | |
221 | return str(inst) |
|
221 | return str(inst) | |
222 |
|
222 | |||
223 | def unbundle(repo, proto, heads): |
|
223 | def unbundle(repo, proto, heads): | |
224 | their_heads = decodelist(heads) |
|
224 | their_heads = decodelist(heads) | |
225 |
|
225 | |||
226 | def check_heads(): |
|
226 | def check_heads(): | |
227 | heads = repo.heads() |
|
227 | heads = repo.heads() | |
228 | return their_heads == ['force'] or their_heads == heads |
|
228 | return their_heads == ['force'] or their_heads == heads | |
229 |
|
229 | |||
230 | # fail early if possible |
|
230 | # fail early if possible | |
231 | if not check_heads(): |
|
231 | if not check_heads(): | |
232 |
return |
|
232 | return 'unsynced changes' | |
233 |
|
233 | |||
234 | # write bundle data to temporary file because it can be big |
|
234 | # write bundle data to temporary file because it can be big | |
235 | fd, tempname = tempfile.mkstemp(prefix='hg-unbundle-') |
|
235 | fd, tempname = tempfile.mkstemp(prefix='hg-unbundle-') | |
236 | fp = os.fdopen(fd, 'wb+') |
|
236 | fp = os.fdopen(fd, 'wb+') | |
237 | r = 0 |
|
237 | r = 0 | |
238 | proto.redirect() |
|
238 | proto.redirect() | |
239 | try: |
|
239 | try: | |
240 | proto.getfile(fp) |
|
240 | proto.getfile(fp) | |
241 | lock = repo.lock() |
|
241 | lock = repo.lock() | |
242 | try: |
|
242 | try: | |
243 | if not check_heads(): |
|
243 | if not check_heads(): | |
244 | # someone else committed/pushed/unbundled while we |
|
244 | # someone else committed/pushed/unbundled while we | |
245 | # were transferring data |
|
245 | # were transferring data | |
246 |
return |
|
246 | return 'unsynced changes' | |
247 |
|
247 | |||
248 | # push can proceed |
|
248 | # push can proceed | |
249 | fp.seek(0) |
|
249 | fp.seek(0) | |
250 | header = fp.read(6) |
|
250 | header = fp.read(6) | |
251 | if header.startswith('HG'): |
|
251 | if header.startswith('HG'): | |
252 | if not header.startswith('HG10'): |
|
252 | if not header.startswith('HG10'): | |
253 | raise ValueError('unknown bundle version') |
|
253 | raise ValueError('unknown bundle version') | |
254 | elif header not in changegroupmod.bundletypes: |
|
254 | elif header not in changegroupmod.bundletypes: | |
255 | raise ValueError('unknown bundle compression type') |
|
255 | raise ValueError('unknown bundle compression type') | |
256 | gen = changegroupmod.unbundle(header, fp) |
|
256 | gen = changegroupmod.unbundle(header, fp) | |
257 |
|
257 | |||
258 | try: |
|
258 | try: | |
259 | r = repo.addchangegroup(gen, 'serve', proto._client(), |
|
259 | r = repo.addchangegroup(gen, 'serve', proto._client(), | |
260 | lock=lock) |
|
260 | lock=lock) | |
261 | except util.Abort, inst: |
|
261 | except util.Abort, inst: | |
262 | sys.stderr.write("abort: %s\n" % inst) |
|
262 | sys.stderr.write("abort: %s\n" % inst) | |
263 | finally: |
|
263 | finally: | |
264 | lock.release() |
|
264 | lock.release() | |
265 | proto.respondpush(r) |
|
265 | proto.respondpush(r) | |
266 |
|
266 | |||
267 | finally: |
|
267 | finally: | |
268 | fp.close() |
|
268 | fp.close() | |
269 | os.unlink(tempname) |
|
269 | os.unlink(tempname) | |
270 |
|
270 | |||
271 | commands = { |
|
271 | commands = { | |
272 | 'between': (between, 'pairs'), |
|
272 | 'between': (between, 'pairs'), | |
273 | 'branchmap': (branchmap, ''), |
|
273 | 'branchmap': (branchmap, ''), | |
274 | 'branches': (branches, 'nodes'), |
|
274 | 'branches': (branches, 'nodes'), | |
275 | 'capabilities': (capabilities, ''), |
|
275 | 'capabilities': (capabilities, ''), | |
276 | 'changegroup': (changegroup, 'roots'), |
|
276 | 'changegroup': (changegroup, 'roots'), | |
277 | 'changegroupsubset': (changegroupsubset, 'bases heads'), |
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277 | 'changegroupsubset': (changegroupsubset, 'bases heads'), | |
278 | 'heads': (heads, ''), |
|
278 | 'heads': (heads, ''), | |
279 | 'hello': (hello, ''), |
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279 | 'hello': (hello, ''), | |
280 | 'listkeys': (listkeys, 'namespace'), |
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280 | 'listkeys': (listkeys, 'namespace'), | |
281 | 'lookup': (lookup, 'key'), |
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281 | 'lookup': (lookup, 'key'), | |
282 | 'pushkey': (pushkey, 'namespace key old new'), |
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282 | 'pushkey': (pushkey, 'namespace key old new'), | |
283 | 'stream_out': (stream, ''), |
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283 | 'stream_out': (stream, ''), | |
284 | 'unbundle': (unbundle, 'heads'), |
|
284 | 'unbundle': (unbundle, 'heads'), | |
285 | } |
|
285 | } |
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