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@@ -1,602 +1,603 b'' | |||
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1 | 1 | # wireproto.py - generic wire protocol support functions |
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2 | 2 | # |
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3 | 3 | # Copyright 2005-2010 Matt Mackall <mpm@selenic.com> |
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4 | 4 | # |
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5 | 5 | # This software may be used and distributed according to the terms of the |
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6 | 6 | # GNU General Public License version 2 or any later version. |
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7 | 7 | |
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8 | 8 | import urllib, tempfile, os, sys |
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9 | 9 | from i18n import _ |
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10 | 10 | from node import bin, hex |
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11 | 11 | import changegroup as changegroupmod |
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12 | 12 | import repo, error, encoding, util, store |
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13 | 13 | import pushkey as pushkeymod |
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14 | 14 | |
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15 | 15 | # abstract batching support |
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16 | 16 | |
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17 | 17 | class future(object): |
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18 | 18 | '''placeholder for a value to be set later''' |
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19 | 19 | def set(self, value): |
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20 | if hasattr(self, 'value'): | |
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20 | if util.safehasattr(self, 'value'): | |
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21 | 21 | raise error.RepoError("future is already set") |
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22 | 22 | self.value = value |
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23 | 23 | |
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24 | 24 | class batcher(object): |
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25 | 25 | '''base class for batches of commands submittable in a single request |
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26 | 26 | |
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27 | 27 | All methods invoked on instances of this class are simply queued and return a |
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28 | 28 | a future for the result. Once you call submit(), all the queued calls are |
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29 | 29 | performed and the results set in their respective futures. |
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30 | 30 | ''' |
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31 | 31 | def __init__(self): |
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32 | 32 | self.calls = [] |
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33 | 33 | def __getattr__(self, name): |
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34 | 34 | def call(*args, **opts): |
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35 | 35 | resref = future() |
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36 | 36 | self.calls.append((name, args, opts, resref,)) |
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37 | 37 | return resref |
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38 | 38 | return call |
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39 | 39 | def submit(self): |
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40 | 40 | pass |
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41 | 41 | |
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42 | 42 | class localbatch(batcher): |
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43 | 43 | '''performs the queued calls directly''' |
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44 | 44 | def __init__(self, local): |
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45 | 45 | batcher.__init__(self) |
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46 | 46 | self.local = local |
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47 | 47 | def submit(self): |
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48 | 48 | for name, args, opts, resref in self.calls: |
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49 | 49 | resref.set(getattr(self.local, name)(*args, **opts)) |
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50 | 50 | |
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51 | 51 | class remotebatch(batcher): |
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52 | 52 | '''batches the queued calls; uses as few roundtrips as possible''' |
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53 | 53 | def __init__(self, remote): |
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54 | 54 | '''remote must support _submitbatch(encbatch) and _submitone(op, encargs)''' |
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55 | 55 | batcher.__init__(self) |
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56 | 56 | self.remote = remote |
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57 | 57 | def submit(self): |
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58 | 58 | req, rsp = [], [] |
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59 | 59 | for name, args, opts, resref in self.calls: |
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60 | 60 | mtd = getattr(self.remote, name) |
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61 |
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62 | batchable = getattr(mtd, 'batchable')(mtd.im_self, *args, **opts) | |
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61 | batchablefn = getattr(mtd, 'batchable', None) | |
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62 | if batchablefn is not None: | |
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63 | batchable = batchablefn(mtd.im_self, *args, **opts) | |
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63 | 64 | encargsorres, encresref = batchable.next() |
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64 | 65 | if encresref: |
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65 | 66 | req.append((name, encargsorres,)) |
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66 | 67 | rsp.append((batchable, encresref, resref,)) |
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67 | 68 | else: |
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68 | 69 | resref.set(encargsorres) |
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69 | 70 | else: |
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70 | 71 | if req: |
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71 | 72 | self._submitreq(req, rsp) |
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72 | 73 | req, rsp = [], [] |
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73 | 74 | resref.set(mtd(*args, **opts)) |
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74 | 75 | if req: |
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75 | 76 | self._submitreq(req, rsp) |
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76 | 77 | def _submitreq(self, req, rsp): |
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77 | 78 | encresults = self.remote._submitbatch(req) |
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78 | 79 | for encres, r in zip(encresults, rsp): |
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79 | 80 | batchable, encresref, resref = r |
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80 | 81 | encresref.set(encres) |
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81 | 82 | resref.set(batchable.next()) |
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82 | 83 | |
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83 | 84 | def batchable(f): |
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84 | 85 | '''annotation for batchable methods |
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85 | 86 | |
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86 | 87 | Such methods must implement a coroutine as follows: |
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87 | 88 | |
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88 | 89 | @batchable |
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89 | 90 | def sample(self, one, two=None): |
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90 | 91 | # Handle locally computable results first: |
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91 | 92 | if not one: |
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92 | 93 | yield "a local result", None |
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93 | 94 | # Build list of encoded arguments suitable for your wire protocol: |
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94 | 95 | encargs = [('one', encode(one),), ('two', encode(two),)] |
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95 | 96 | # Create future for injection of encoded result: |
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96 | 97 | encresref = future() |
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97 | 98 | # Return encoded arguments and future: |
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98 | 99 | yield encargs, encresref |
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99 | 100 | # Assuming the future to be filled with the result from the batched request |
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100 | 101 | # now. Decode it: |
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101 | 102 | yield decode(encresref.value) |
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102 | 103 | |
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103 | 104 | The decorator returns a function which wraps this coroutine as a plain method, |
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104 | 105 | but adds the original method as an attribute called "batchable", which is |
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105 | 106 | used by remotebatch to split the call into separate encoding and decoding |
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106 | 107 | phases. |
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107 | 108 | ''' |
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108 | 109 | def plain(*args, **opts): |
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109 | 110 | batchable = f(*args, **opts) |
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110 | 111 | encargsorres, encresref = batchable.next() |
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111 | 112 | if not encresref: |
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112 | 113 | return encargsorres # a local result in this case |
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113 | 114 | self = args[0] |
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114 | 115 | encresref.set(self._submitone(f.func_name, encargsorres)) |
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115 | 116 | return batchable.next() |
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116 | 117 | setattr(plain, 'batchable', f) |
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117 | 118 | return plain |
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118 | 119 | |
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119 | 120 | # list of nodes encoding / decoding |
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120 | 121 | |
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121 | 122 | def decodelist(l, sep=' '): |
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122 | 123 | if l: |
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123 | 124 | return map(bin, l.split(sep)) |
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124 | 125 | return [] |
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125 | 126 | |
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126 | 127 | def encodelist(l, sep=' '): |
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127 | 128 | return sep.join(map(hex, l)) |
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128 | 129 | |
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129 | 130 | # batched call argument encoding |
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130 | 131 | |
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131 | 132 | def escapearg(plain): |
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132 | 133 | return (plain |
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133 | 134 | .replace(':', '::') |
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134 | 135 | .replace(',', ':,') |
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135 | 136 | .replace(';', ':;') |
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136 | 137 | .replace('=', ':=')) |
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137 | 138 | |
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138 | 139 | def unescapearg(escaped): |
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139 | 140 | return (escaped |
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140 | 141 | .replace(':=', '=') |
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141 | 142 | .replace(':;', ';') |
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142 | 143 | .replace(':,', ',') |
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143 | 144 | .replace('::', ':')) |
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144 | 145 | |
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145 | 146 | # client side |
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146 | 147 | |
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147 | 148 | def todict(**args): |
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148 | 149 | return args |
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149 | 150 | |
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150 | 151 | class wirerepository(repo.repository): |
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151 | 152 | |
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152 | 153 | def batch(self): |
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153 | 154 | return remotebatch(self) |
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154 | 155 | def _submitbatch(self, req): |
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155 | 156 | cmds = [] |
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156 | 157 | for op, argsdict in req: |
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157 | 158 | args = ','.join('%s=%s' % p for p in argsdict.iteritems()) |
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158 | 159 | cmds.append('%s %s' % (op, args)) |
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159 | 160 | rsp = self._call("batch", cmds=';'.join(cmds)) |
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160 | 161 | return rsp.split(';') |
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161 | 162 | def _submitone(self, op, args): |
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162 | 163 | return self._call(op, **args) |
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163 | 164 | |
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164 | 165 | @batchable |
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165 | 166 | def lookup(self, key): |
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166 | 167 | self.requirecap('lookup', _('look up remote revision')) |
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167 | 168 | f = future() |
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168 | 169 | yield todict(key=encoding.fromlocal(key)), f |
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169 | 170 | d = f.value |
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170 | 171 | success, data = d[:-1].split(" ", 1) |
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171 | 172 | if int(success): |
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172 | 173 | yield bin(data) |
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173 | 174 | self._abort(error.RepoError(data)) |
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174 | 175 | |
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175 | 176 | @batchable |
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176 | 177 | def heads(self): |
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177 | 178 | f = future() |
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178 | 179 | yield {}, f |
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179 | 180 | d = f.value |
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180 | 181 | try: |
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181 | 182 | yield decodelist(d[:-1]) |
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182 | 183 | except ValueError: |
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183 | 184 | self._abort(error.ResponseError(_("unexpected response:"), d)) |
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184 | 185 | |
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185 | 186 | @batchable |
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186 | 187 | def known(self, nodes): |
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187 | 188 | f = future() |
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188 | 189 | yield todict(nodes=encodelist(nodes)), f |
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189 | 190 | d = f.value |
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190 | 191 | try: |
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191 | 192 | yield [bool(int(f)) for f in d] |
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192 | 193 | except ValueError: |
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193 | 194 | self._abort(error.ResponseError(_("unexpected response:"), d)) |
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194 | 195 | |
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195 | 196 | @batchable |
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196 | 197 | def branchmap(self): |
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197 | 198 | f = future() |
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198 | 199 | yield {}, f |
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199 | 200 | d = f.value |
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200 | 201 | try: |
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201 | 202 | branchmap = {} |
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202 | 203 | for branchpart in d.splitlines(): |
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203 | 204 | branchname, branchheads = branchpart.split(' ', 1) |
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204 | 205 | branchname = encoding.tolocal(urllib.unquote(branchname)) |
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205 | 206 | branchheads = decodelist(branchheads) |
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206 | 207 | branchmap[branchname] = branchheads |
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207 | 208 | yield branchmap |
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208 | 209 | except TypeError: |
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209 | 210 | self._abort(error.ResponseError(_("unexpected response:"), d)) |
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210 | 211 | |
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211 | 212 | def branches(self, nodes): |
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212 | 213 | n = encodelist(nodes) |
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213 | 214 | d = self._call("branches", nodes=n) |
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214 | 215 | try: |
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215 | 216 | br = [tuple(decodelist(b)) for b in d.splitlines()] |
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216 | 217 | return br |
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217 | 218 | except ValueError: |
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218 | 219 | self._abort(error.ResponseError(_("unexpected response:"), d)) |
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219 | 220 | |
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220 | 221 | def between(self, pairs): |
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221 | 222 | batch = 8 # avoid giant requests |
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222 | 223 | r = [] |
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223 | 224 | for i in xrange(0, len(pairs), batch): |
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224 | 225 | n = " ".join([encodelist(p, '-') for p in pairs[i:i + batch]]) |
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225 | 226 | d = self._call("between", pairs=n) |
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226 | 227 | try: |
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227 | 228 | r.extend(l and decodelist(l) or [] for l in d.splitlines()) |
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228 | 229 | except ValueError: |
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229 | 230 | self._abort(error.ResponseError(_("unexpected response:"), d)) |
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230 | 231 | return r |
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231 | 232 | |
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232 | 233 | @batchable |
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233 | 234 | def pushkey(self, namespace, key, old, new): |
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234 | 235 | if not self.capable('pushkey'): |
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235 | 236 | yield False, None |
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236 | 237 | f = future() |
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237 | 238 | yield todict(namespace=encoding.fromlocal(namespace), |
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238 | 239 | key=encoding.fromlocal(key), |
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239 | 240 | old=encoding.fromlocal(old), |
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240 | 241 | new=encoding.fromlocal(new)), f |
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241 | 242 | d = f.value |
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242 | 243 | try: |
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243 | 244 | d = bool(int(d)) |
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244 | 245 | except ValueError: |
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245 | 246 | raise error.ResponseError( |
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246 | 247 | _('push failed (unexpected response):'), d) |
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247 | 248 | yield d |
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248 | 249 | |
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249 | 250 | @batchable |
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250 | 251 | def listkeys(self, namespace): |
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251 | 252 | if not self.capable('pushkey'): |
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252 | 253 | yield {}, None |
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253 | 254 | f = future() |
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254 | 255 | yield todict(namespace=encoding.fromlocal(namespace)), f |
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255 | 256 | d = f.value |
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256 | 257 | r = {} |
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257 | 258 | for l in d.splitlines(): |
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258 | 259 | k, v = l.split('\t') |
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259 | 260 | r[encoding.tolocal(k)] = encoding.tolocal(v) |
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260 | 261 | yield r |
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261 | 262 | |
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262 | 263 | def stream_out(self): |
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263 | 264 | return self._callstream('stream_out') |
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264 | 265 | |
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265 | 266 | def changegroup(self, nodes, kind): |
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266 | 267 | n = encodelist(nodes) |
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267 | 268 | f = self._callstream("changegroup", roots=n) |
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268 | 269 | return changegroupmod.unbundle10(self._decompress(f), 'UN') |
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269 | 270 | |
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270 | 271 | def changegroupsubset(self, bases, heads, kind): |
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271 | 272 | self.requirecap('changegroupsubset', _('look up remote changes')) |
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272 | 273 | bases = encodelist(bases) |
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273 | 274 | heads = encodelist(heads) |
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274 | 275 | f = self._callstream("changegroupsubset", |
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275 | 276 | bases=bases, heads=heads) |
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276 | 277 | return changegroupmod.unbundle10(self._decompress(f), 'UN') |
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277 | 278 | |
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278 | 279 | def getbundle(self, source, heads=None, common=None): |
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279 | 280 | self.requirecap('getbundle', _('look up remote changes')) |
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280 | 281 | opts = {} |
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281 | 282 | if heads is not None: |
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282 | 283 | opts['heads'] = encodelist(heads) |
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283 | 284 | if common is not None: |
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284 | 285 | opts['common'] = encodelist(common) |
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285 | 286 | f = self._callstream("getbundle", **opts) |
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286 | 287 | return changegroupmod.unbundle10(self._decompress(f), 'UN') |
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287 | 288 | |
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288 | 289 | def unbundle(self, cg, heads, source): |
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289 | 290 | '''Send cg (a readable file-like object representing the |
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290 | 291 | changegroup to push, typically a chunkbuffer object) to the |
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291 | 292 | remote server as a bundle. Return an integer indicating the |
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292 | 293 | result of the push (see localrepository.addchangegroup()).''' |
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293 | 294 | |
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294 | 295 | if heads != ['force'] and self.capable('unbundlehash'): |
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295 | 296 | heads = encodelist(['hashed', |
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296 | 297 | util.sha1(''.join(sorted(heads))).digest()]) |
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297 | 298 | else: |
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298 | 299 | heads = encodelist(heads) |
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299 | 300 | |
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300 | 301 | ret, output = self._callpush("unbundle", cg, heads=heads) |
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301 | 302 | if ret == "": |
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302 | 303 | raise error.ResponseError( |
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303 | 304 | _('push failed:'), output) |
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304 | 305 | try: |
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305 | 306 | ret = int(ret) |
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306 | 307 | except ValueError: |
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307 | 308 | raise error.ResponseError( |
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308 | 309 | _('push failed (unexpected response):'), ret) |
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309 | 310 | |
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310 | 311 | for l in output.splitlines(True): |
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311 | 312 | self.ui.status(_('remote: '), l) |
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312 | 313 | return ret |
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313 | 314 | |
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314 | 315 | def debugwireargs(self, one, two, three=None, four=None, five=None): |
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315 | 316 | # don't pass optional arguments left at their default value |
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316 | 317 | opts = {} |
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317 | 318 | if three is not None: |
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318 | 319 | opts['three'] = three |
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319 | 320 | if four is not None: |
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320 | 321 | opts['four'] = four |
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321 | 322 | return self._call('debugwireargs', one=one, two=two, **opts) |
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322 | 323 | |
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323 | 324 | # server side |
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324 | 325 | |
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325 | 326 | class streamres(object): |
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326 | 327 | def __init__(self, gen): |
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327 | 328 | self.gen = gen |
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328 | 329 | |
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329 | 330 | class pushres(object): |
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330 | 331 | def __init__(self, res): |
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331 | 332 | self.res = res |
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332 | 333 | |
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333 | 334 | class pusherr(object): |
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334 | 335 | def __init__(self, res): |
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335 | 336 | self.res = res |
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336 | 337 | |
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337 | 338 | def dispatch(repo, proto, command): |
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338 | 339 | func, spec = commands[command] |
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339 | 340 | args = proto.getargs(spec) |
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340 | 341 | return func(repo, proto, *args) |
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341 | 342 | |
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342 | 343 | def options(cmd, keys, others): |
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343 | 344 | opts = {} |
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344 | 345 | for k in keys: |
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345 | 346 | if k in others: |
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346 | 347 | opts[k] = others[k] |
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347 | 348 | del others[k] |
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348 | 349 | if others: |
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349 | 350 | sys.stderr.write("abort: %s got unexpected arguments %s\n" |
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350 | 351 | % (cmd, ",".join(others))) |
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351 | 352 | return opts |
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352 | 353 | |
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353 | 354 | def batch(repo, proto, cmds, others): |
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354 | 355 | res = [] |
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355 | 356 | for pair in cmds.split(';'): |
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356 | 357 | op, args = pair.split(' ', 1) |
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357 | 358 | vals = {} |
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358 | 359 | for a in args.split(','): |
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359 | 360 | if a: |
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360 | 361 | n, v = a.split('=') |
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361 | 362 | vals[n] = unescapearg(v) |
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362 | 363 | func, spec = commands[op] |
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363 | 364 | if spec: |
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364 | 365 | keys = spec.split() |
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365 | 366 | data = {} |
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366 | 367 | for k in keys: |
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367 | 368 | if k == '*': |
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368 | 369 | star = {} |
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369 | 370 | for key in vals.keys(): |
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370 | 371 | if key not in keys: |
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371 | 372 | star[key] = vals[key] |
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372 | 373 | data['*'] = star |
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373 | 374 | else: |
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374 | 375 | data[k] = vals[k] |
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375 | 376 | result = func(repo, proto, *[data[k] for k in keys]) |
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376 | 377 | else: |
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377 | 378 | result = func(repo, proto) |
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378 | 379 | res.append(escapearg(result)) |
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379 | 380 | return ';'.join(res) |
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380 | 381 | |
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381 | 382 | def between(repo, proto, pairs): |
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382 | 383 | pairs = [decodelist(p, '-') for p in pairs.split(" ")] |
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383 | 384 | r = [] |
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384 | 385 | for b in repo.between(pairs): |
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385 | 386 | r.append(encodelist(b) + "\n") |
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386 | 387 | return "".join(r) |
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387 | 388 | |
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388 | 389 | def branchmap(repo, proto): |
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389 | 390 | branchmap = repo.branchmap() |
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390 | 391 | heads = [] |
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391 | 392 | for branch, nodes in branchmap.iteritems(): |
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392 | 393 | branchname = urllib.quote(encoding.fromlocal(branch)) |
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393 | 394 | branchnodes = encodelist(nodes) |
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394 | 395 | heads.append('%s %s' % (branchname, branchnodes)) |
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395 | 396 | return '\n'.join(heads) |
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396 | 397 | |
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397 | 398 | def branches(repo, proto, nodes): |
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398 | 399 | nodes = decodelist(nodes) |
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399 | 400 | r = [] |
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400 | 401 | for b in repo.branches(nodes): |
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401 | 402 | r.append(encodelist(b) + "\n") |
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402 | 403 | return "".join(r) |
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403 | 404 | |
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404 | 405 | def capabilities(repo, proto): |
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405 | 406 | caps = ('lookup changegroupsubset branchmap pushkey known getbundle ' |
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406 | 407 | 'unbundlehash batch').split() |
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407 | 408 | if _allowstream(repo.ui): |
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408 | 409 | requiredformats = repo.requirements & repo.supportedformats |
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409 | 410 | # if our local revlogs are just revlogv1, add 'stream' cap |
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410 | 411 | if not requiredformats - set(('revlogv1',)): |
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411 | 412 | caps.append('stream') |
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412 | 413 | # otherwise, add 'streamreqs' detailing our local revlog format |
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413 | 414 | else: |
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414 | 415 | caps.append('streamreqs=%s' % ','.join(requiredformats)) |
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415 | 416 | caps.append('unbundle=%s' % ','.join(changegroupmod.bundlepriority)) |
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416 | 417 | caps.append('httpheader=1024') |
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417 | 418 | return ' '.join(caps) |
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418 | 419 | |
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419 | 420 | def changegroup(repo, proto, roots): |
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420 | 421 | nodes = decodelist(roots) |
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421 | 422 | cg = repo.changegroup(nodes, 'serve') |
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422 | 423 | return streamres(proto.groupchunks(cg)) |
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423 | 424 | |
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424 | 425 | def changegroupsubset(repo, proto, bases, heads): |
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425 | 426 | bases = decodelist(bases) |
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426 | 427 | heads = decodelist(heads) |
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427 | 428 | cg = repo.changegroupsubset(bases, heads, 'serve') |
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428 | 429 | return streamres(proto.groupchunks(cg)) |
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429 | 430 | |
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430 | 431 | def debugwireargs(repo, proto, one, two, others): |
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431 | 432 | # only accept optional args from the known set |
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432 | 433 | opts = options('debugwireargs', ['three', 'four'], others) |
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433 | 434 | return repo.debugwireargs(one, two, **opts) |
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434 | 435 | |
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435 | 436 | def getbundle(repo, proto, others): |
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436 | 437 | opts = options('getbundle', ['heads', 'common'], others) |
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437 | 438 | for k, v in opts.iteritems(): |
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438 | 439 | opts[k] = decodelist(v) |
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439 | 440 | cg = repo.getbundle('serve', **opts) |
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440 | 441 | return streamres(proto.groupchunks(cg)) |
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441 | 442 | |
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442 | 443 | def heads(repo, proto): |
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443 | 444 | h = repo.heads() |
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444 | 445 | return encodelist(h) + "\n" |
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445 | 446 | |
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446 | 447 | def hello(repo, proto): |
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447 | 448 | '''the hello command returns a set of lines describing various |
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448 | 449 | interesting things about the server, in an RFC822-like format. |
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449 | 450 | Currently the only one defined is "capabilities", which |
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450 | 451 | consists of a line in the form: |
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451 | 452 | |
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452 | 453 | capabilities: space separated list of tokens |
|
453 | 454 | ''' |
|
454 | 455 | return "capabilities: %s\n" % (capabilities(repo, proto)) |
|
455 | 456 | |
|
456 | 457 | def listkeys(repo, proto, namespace): |
|
457 | 458 | d = pushkeymod.list(repo, encoding.tolocal(namespace)).items() |
|
458 | 459 | t = '\n'.join(['%s\t%s' % (encoding.fromlocal(k), encoding.fromlocal(v)) |
|
459 | 460 | for k, v in d]) |
|
460 | 461 | return t |
|
461 | 462 | |
|
462 | 463 | def lookup(repo, proto, key): |
|
463 | 464 | try: |
|
464 | 465 | r = hex(repo.lookup(encoding.tolocal(key))) |
|
465 | 466 | success = 1 |
|
466 | 467 | except Exception, inst: |
|
467 | 468 | r = str(inst) |
|
468 | 469 | success = 0 |
|
469 | 470 | return "%s %s\n" % (success, r) |
|
470 | 471 | |
|
471 | 472 | def known(repo, proto, nodes, others): |
|
472 | 473 | return ''.join(b and "1" or "0" for b in repo.known(decodelist(nodes))) |
|
473 | 474 | |
|
474 | 475 | def pushkey(repo, proto, namespace, key, old, new): |
|
475 | 476 | # compatibility with pre-1.8 clients which were accidentally |
|
476 | 477 | # sending raw binary nodes rather than utf-8-encoded hex |
|
477 | 478 | if len(new) == 20 and new.encode('string-escape') != new: |
|
478 | 479 | # looks like it could be a binary node |
|
479 | 480 | try: |
|
480 | 481 | new.decode('utf-8') |
|
481 | 482 | new = encoding.tolocal(new) # but cleanly decodes as UTF-8 |
|
482 | 483 | except UnicodeDecodeError: |
|
483 | 484 | pass # binary, leave unmodified |
|
484 | 485 | else: |
|
485 | 486 | new = encoding.tolocal(new) # normal path |
|
486 | 487 | |
|
487 | 488 | r = pushkeymod.push(repo, |
|
488 | 489 | encoding.tolocal(namespace), encoding.tolocal(key), |
|
489 | 490 | encoding.tolocal(old), new) |
|
490 | 491 | return '%s\n' % int(r) |
|
491 | 492 | |
|
492 | 493 | def _allowstream(ui): |
|
493 | 494 | return ui.configbool('server', 'uncompressed', True, untrusted=True) |
|
494 | 495 | |
|
495 | 496 | def stream(repo, proto): |
|
496 | 497 | '''If the server supports streaming clone, it advertises the "stream" |
|
497 | 498 | capability with a value representing the version and flags of the repo |
|
498 | 499 | it is serving. Client checks to see if it understands the format. |
|
499 | 500 | |
|
500 | 501 | The format is simple: the server writes out a line with the amount |
|
501 | 502 | of files, then the total amount of bytes to be transfered (separated |
|
502 | 503 | by a space). Then, for each file, the server first writes the filename |
|
503 | 504 | and filesize (separated by the null character), then the file contents. |
|
504 | 505 | ''' |
|
505 | 506 | |
|
506 | 507 | if not _allowstream(repo.ui): |
|
507 | 508 | return '1\n' |
|
508 | 509 | |
|
509 | 510 | entries = [] |
|
510 | 511 | total_bytes = 0 |
|
511 | 512 | try: |
|
512 | 513 | # get consistent snapshot of repo, lock during scan |
|
513 | 514 | lock = repo.lock() |
|
514 | 515 | try: |
|
515 | 516 | repo.ui.debug('scanning\n') |
|
516 | 517 | for name, ename, size in repo.store.walk(): |
|
517 | 518 | entries.append((name, size)) |
|
518 | 519 | total_bytes += size |
|
519 | 520 | finally: |
|
520 | 521 | lock.release() |
|
521 | 522 | except error.LockError: |
|
522 | 523 | return '2\n' # error: 2 |
|
523 | 524 | |
|
524 | 525 | def streamer(repo, entries, total): |
|
525 | 526 | '''stream out all metadata files in repository.''' |
|
526 | 527 | yield '0\n' # success |
|
527 | 528 | repo.ui.debug('%d files, %d bytes to transfer\n' % |
|
528 | 529 | (len(entries), total_bytes)) |
|
529 | 530 | yield '%d %d\n' % (len(entries), total_bytes) |
|
530 | 531 | for name, size in entries: |
|
531 | 532 | repo.ui.debug('sending %s (%d bytes)\n' % (name, size)) |
|
532 | 533 | # partially encode name over the wire for backwards compat |
|
533 | 534 | yield '%s\0%d\n' % (store.encodedir(name), size) |
|
534 | 535 | for chunk in util.filechunkiter(repo.sopener(name), limit=size): |
|
535 | 536 | yield chunk |
|
536 | 537 | |
|
537 | 538 | return streamres(streamer(repo, entries, total_bytes)) |
|
538 | 539 | |
|
539 | 540 | def unbundle(repo, proto, heads): |
|
540 | 541 | their_heads = decodelist(heads) |
|
541 | 542 | |
|
542 | 543 | def check_heads(): |
|
543 | 544 | heads = repo.heads() |
|
544 | 545 | heads_hash = util.sha1(''.join(sorted(heads))).digest() |
|
545 | 546 | return (their_heads == ['force'] or their_heads == heads or |
|
546 | 547 | their_heads == ['hashed', heads_hash]) |
|
547 | 548 | |
|
548 | 549 | proto.redirect() |
|
549 | 550 | |
|
550 | 551 | # fail early if possible |
|
551 | 552 | if not check_heads(): |
|
552 | 553 | return pusherr('unsynced changes') |
|
553 | 554 | |
|
554 | 555 | # write bundle data to temporary file because it can be big |
|
555 | 556 | fd, tempname = tempfile.mkstemp(prefix='hg-unbundle-') |
|
556 | 557 | fp = os.fdopen(fd, 'wb+') |
|
557 | 558 | r = 0 |
|
558 | 559 | try: |
|
559 | 560 | proto.getfile(fp) |
|
560 | 561 | lock = repo.lock() |
|
561 | 562 | try: |
|
562 | 563 | if not check_heads(): |
|
563 | 564 | # someone else committed/pushed/unbundled while we |
|
564 | 565 | # were transferring data |
|
565 | 566 | return pusherr('unsynced changes') |
|
566 | 567 | |
|
567 | 568 | # push can proceed |
|
568 | 569 | fp.seek(0) |
|
569 | 570 | gen = changegroupmod.readbundle(fp, None) |
|
570 | 571 | |
|
571 | 572 | try: |
|
572 | 573 | r = repo.addchangegroup(gen, 'serve', proto._client(), |
|
573 | 574 | lock=lock) |
|
574 | 575 | except util.Abort, inst: |
|
575 | 576 | sys.stderr.write("abort: %s\n" % inst) |
|
576 | 577 | finally: |
|
577 | 578 | lock.release() |
|
578 | 579 | return pushres(r) |
|
579 | 580 | |
|
580 | 581 | finally: |
|
581 | 582 | fp.close() |
|
582 | 583 | os.unlink(tempname) |
|
583 | 584 | |
|
584 | 585 | commands = { |
|
585 | 586 | 'batch': (batch, 'cmds *'), |
|
586 | 587 | 'between': (between, 'pairs'), |
|
587 | 588 | 'branchmap': (branchmap, ''), |
|
588 | 589 | 'branches': (branches, 'nodes'), |
|
589 | 590 | 'capabilities': (capabilities, ''), |
|
590 | 591 | 'changegroup': (changegroup, 'roots'), |
|
591 | 592 | 'changegroupsubset': (changegroupsubset, 'bases heads'), |
|
592 | 593 | 'debugwireargs': (debugwireargs, 'one two *'), |
|
593 | 594 | 'getbundle': (getbundle, '*'), |
|
594 | 595 | 'heads': (heads, ''), |
|
595 | 596 | 'hello': (hello, ''), |
|
596 | 597 | 'known': (known, 'nodes *'), |
|
597 | 598 | 'listkeys': (listkeys, 'namespace'), |
|
598 | 599 | 'lookup': (lookup, 'key'), |
|
599 | 600 | 'pushkey': (pushkey, 'namespace key old new'), |
|
600 | 601 | 'stream_out': (stream, ''), |
|
601 | 602 | 'unbundle': (unbundle, 'heads'), |
|
602 | 603 | } |
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