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@@ -1,1109 +1,984 b'' | |||
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1 | 1 | # Copyright 21 May 2005 - (c) 2005 Jake Edge <jake@edge2.net> |
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2 | 2 | # Copyright 2005-2007 Matt Mackall <mpm@selenic.com> |
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3 | 3 | # |
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4 | 4 | # This software may be used and distributed according to the terms of the |
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5 | 5 | # GNU General Public License version 2 or any later version. |
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6 | 6 | |
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7 | 7 | from __future__ import absolute_import |
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8 | 8 | |
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9 | 9 | import contextlib |
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10 | 10 | |
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11 | 11 | from .i18n import _ |
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12 | 12 | from .node import ( |
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13 | 13 | hex, |
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14 | 14 | nullid, |
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15 | nullrev, | |
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16 | 15 | ) |
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17 | 16 | from . import ( |
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18 | changegroup, | |
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19 | dagop, | |
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20 | 17 | discovery, |
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21 | 18 | encoding, |
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22 | 19 | error, |
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23 | 20 | narrowspec, |
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24 | 21 | pycompat, |
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25 | 22 | streamclone, |
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26 | 23 | util, |
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27 | 24 | wireprotoframing, |
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28 | 25 | wireprototypes, |
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29 | 26 | ) |
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30 | 27 | from .utils import ( |
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31 | 28 | interfaceutil, |
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32 | 29 | stringutil, |
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33 | 30 | ) |
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34 | 31 | |
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35 | 32 | FRAMINGTYPE = b'application/mercurial-exp-framing-0005' |
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36 | 33 | |
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37 | 34 | HTTP_WIREPROTO_V2 = wireprototypes.HTTP_WIREPROTO_V2 |
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38 | 35 | |
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39 | 36 | COMMANDS = wireprototypes.commanddict() |
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40 | 37 | |
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41 | 38 | def handlehttpv2request(rctx, req, res, checkperm, urlparts): |
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42 | 39 | from .hgweb import common as hgwebcommon |
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43 | 40 | |
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44 | 41 | # URL space looks like: <permissions>/<command>, where <permission> can |
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45 | 42 | # be ``ro`` or ``rw`` to signal read-only or read-write, respectively. |
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46 | 43 | |
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47 | 44 | # Root URL does nothing meaningful... yet. |
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48 | 45 | if not urlparts: |
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49 | 46 | res.status = b'200 OK' |
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50 | 47 | res.headers[b'Content-Type'] = b'text/plain' |
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51 | 48 | res.setbodybytes(_('HTTP version 2 API handler')) |
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52 | 49 | return |
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53 | 50 | |
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54 | 51 | if len(urlparts) == 1: |
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55 | 52 | res.status = b'404 Not Found' |
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56 | 53 | res.headers[b'Content-Type'] = b'text/plain' |
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57 | 54 | res.setbodybytes(_('do not know how to process %s\n') % |
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58 | 55 | req.dispatchpath) |
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59 | 56 | return |
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60 | 57 | |
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61 | 58 | permission, command = urlparts[0:2] |
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62 | 59 | |
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63 | 60 | if permission not in (b'ro', b'rw'): |
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64 | 61 | res.status = b'404 Not Found' |
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65 | 62 | res.headers[b'Content-Type'] = b'text/plain' |
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66 | 63 | res.setbodybytes(_('unknown permission: %s') % permission) |
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67 | 64 | return |
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68 | 65 | |
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69 | 66 | if req.method != 'POST': |
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70 | 67 | res.status = b'405 Method Not Allowed' |
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71 | 68 | res.headers[b'Allow'] = b'POST' |
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72 | 69 | res.setbodybytes(_('commands require POST requests')) |
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73 | 70 | return |
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74 | 71 | |
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75 | 72 | # At some point we'll want to use our own API instead of recycling the |
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76 | 73 | # behavior of version 1 of the wire protocol... |
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77 | 74 | # TODO return reasonable responses - not responses that overload the |
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78 | 75 | # HTTP status line message for error reporting. |
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79 | 76 | try: |
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80 | 77 | checkperm(rctx, req, 'pull' if permission == b'ro' else 'push') |
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81 | 78 | except hgwebcommon.ErrorResponse as e: |
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82 | 79 | res.status = hgwebcommon.statusmessage(e.code, pycompat.bytestr(e)) |
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83 | 80 | for k, v in e.headers: |
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84 | 81 | res.headers[k] = v |
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85 | 82 | res.setbodybytes('permission denied') |
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86 | 83 | return |
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87 | 84 | |
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88 | 85 | # We have a special endpoint to reflect the request back at the client. |
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89 | 86 | if command == b'debugreflect': |
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90 | 87 | _processhttpv2reflectrequest(rctx.repo.ui, rctx.repo, req, res) |
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91 | 88 | return |
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92 | 89 | |
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93 | 90 | # Extra commands that we handle that aren't really wire protocol |
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94 | 91 | # commands. Think extra hard before making this hackery available to |
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95 | 92 | # extension. |
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96 | 93 | extracommands = {'multirequest'} |
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97 | 94 | |
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98 | 95 | if command not in COMMANDS and command not in extracommands: |
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99 | 96 | res.status = b'404 Not Found' |
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100 | 97 | res.headers[b'Content-Type'] = b'text/plain' |
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101 | 98 | res.setbodybytes(_('unknown wire protocol command: %s\n') % command) |
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102 | 99 | return |
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103 | 100 | |
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104 | 101 | repo = rctx.repo |
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105 | 102 | ui = repo.ui |
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106 | 103 | |
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107 | 104 | proto = httpv2protocolhandler(req, ui) |
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108 | 105 | |
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109 | 106 | if (not COMMANDS.commandavailable(command, proto) |
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110 | 107 | and command not in extracommands): |
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111 | 108 | res.status = b'404 Not Found' |
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112 | 109 | res.headers[b'Content-Type'] = b'text/plain' |
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113 | 110 | res.setbodybytes(_('invalid wire protocol command: %s') % command) |
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114 | 111 | return |
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115 | 112 | |
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116 | 113 | # TODO consider cases where proxies may add additional Accept headers. |
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117 | 114 | if req.headers.get(b'Accept') != FRAMINGTYPE: |
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118 | 115 | res.status = b'406 Not Acceptable' |
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119 | 116 | res.headers[b'Content-Type'] = b'text/plain' |
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120 | 117 | res.setbodybytes(_('client MUST specify Accept header with value: %s\n') |
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121 | 118 | % FRAMINGTYPE) |
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122 | 119 | return |
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123 | 120 | |
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124 | 121 | if req.headers.get(b'Content-Type') != FRAMINGTYPE: |
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125 | 122 | res.status = b'415 Unsupported Media Type' |
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126 | 123 | # TODO we should send a response with appropriate media type, |
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127 | 124 | # since client does Accept it. |
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128 | 125 | res.headers[b'Content-Type'] = b'text/plain' |
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129 | 126 | res.setbodybytes(_('client MUST send Content-Type header with ' |
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130 | 127 | 'value: %s\n') % FRAMINGTYPE) |
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131 | 128 | return |
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132 | 129 | |
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133 | 130 | _processhttpv2request(ui, repo, req, res, permission, command, proto) |
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134 | 131 | |
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135 | 132 | def _processhttpv2reflectrequest(ui, repo, req, res): |
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136 | 133 | """Reads unified frame protocol request and dumps out state to client. |
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137 | 134 | |
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138 | 135 | This special endpoint can be used to help debug the wire protocol. |
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139 | 136 | |
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140 | 137 | Instead of routing the request through the normal dispatch mechanism, |
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141 | 138 | we instead read all frames, decode them, and feed them into our state |
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142 | 139 | tracker. We then dump the log of all that activity back out to the |
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143 | 140 | client. |
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144 | 141 | """ |
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145 | 142 | import json |
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146 | 143 | |
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147 | 144 | # Reflection APIs have a history of being abused, accidentally disclosing |
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148 | 145 | # sensitive data, etc. So we have a config knob. |
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149 | 146 | if not ui.configbool('experimental', 'web.api.debugreflect'): |
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150 | 147 | res.status = b'404 Not Found' |
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151 | 148 | res.headers[b'Content-Type'] = b'text/plain' |
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152 | 149 | res.setbodybytes(_('debugreflect service not available')) |
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153 | 150 | return |
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154 | 151 | |
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155 | 152 | # We assume we have a unified framing protocol request body. |
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156 | 153 | |
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157 | 154 | reactor = wireprotoframing.serverreactor() |
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158 | 155 | states = [] |
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159 | 156 | |
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160 | 157 | while True: |
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161 | 158 | frame = wireprotoframing.readframe(req.bodyfh) |
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162 | 159 | |
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163 | 160 | if not frame: |
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164 | 161 | states.append(b'received: <no frame>') |
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165 | 162 | break |
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166 | 163 | |
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167 | 164 | states.append(b'received: %d %d %d %s' % (frame.typeid, frame.flags, |
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168 | 165 | frame.requestid, |
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169 | 166 | frame.payload)) |
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170 | 167 | |
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171 | 168 | action, meta = reactor.onframerecv(frame) |
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172 | 169 | states.append(json.dumps((action, meta), sort_keys=True, |
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173 | 170 | separators=(', ', ': '))) |
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174 | 171 | |
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175 | 172 | action, meta = reactor.oninputeof() |
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176 | 173 | meta['action'] = action |
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177 | 174 | states.append(json.dumps(meta, sort_keys=True, separators=(', ',': '))) |
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178 | 175 | |
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179 | 176 | res.status = b'200 OK' |
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180 | 177 | res.headers[b'Content-Type'] = b'text/plain' |
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181 | 178 | res.setbodybytes(b'\n'.join(states)) |
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182 | 179 | |
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183 | 180 | def _processhttpv2request(ui, repo, req, res, authedperm, reqcommand, proto): |
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184 | 181 | """Post-validation handler for HTTPv2 requests. |
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185 | 182 | |
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186 | 183 | Called when the HTTP request contains unified frame-based protocol |
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187 | 184 | frames for evaluation. |
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188 | 185 | """ |
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189 | 186 | # TODO Some HTTP clients are full duplex and can receive data before |
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190 | 187 | # the entire request is transmitted. Figure out a way to indicate support |
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191 | 188 | # for that so we can opt into full duplex mode. |
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192 | 189 | reactor = wireprotoframing.serverreactor(deferoutput=True) |
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193 | 190 | seencommand = False |
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194 | 191 | |
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195 | 192 | outstream = reactor.makeoutputstream() |
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196 | 193 | |
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197 | 194 | while True: |
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198 | 195 | frame = wireprotoframing.readframe(req.bodyfh) |
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199 | 196 | if not frame: |
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200 | 197 | break |
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201 | 198 | |
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202 | 199 | action, meta = reactor.onframerecv(frame) |
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203 | 200 | |
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204 | 201 | if action == 'wantframe': |
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205 | 202 | # Need more data before we can do anything. |
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206 | 203 | continue |
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207 | 204 | elif action == 'runcommand': |
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208 | 205 | sentoutput = _httpv2runcommand(ui, repo, req, res, authedperm, |
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209 | 206 | reqcommand, reactor, outstream, |
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210 | 207 | meta, issubsequent=seencommand) |
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211 | 208 | |
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212 | 209 | if sentoutput: |
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213 | 210 | return |
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214 | 211 | |
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215 | 212 | seencommand = True |
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216 | 213 | |
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217 | 214 | elif action == 'error': |
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218 | 215 | # TODO define proper error mechanism. |
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219 | 216 | res.status = b'200 OK' |
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220 | 217 | res.headers[b'Content-Type'] = b'text/plain' |
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221 | 218 | res.setbodybytes(meta['message'] + b'\n') |
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222 | 219 | return |
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223 | 220 | else: |
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224 | 221 | raise error.ProgrammingError( |
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225 | 222 | 'unhandled action from frame processor: %s' % action) |
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226 | 223 | |
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227 | 224 | action, meta = reactor.oninputeof() |
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228 | 225 | if action == 'sendframes': |
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229 | 226 | # We assume we haven't started sending the response yet. If we're |
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230 | 227 | # wrong, the response type will raise an exception. |
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231 | 228 | res.status = b'200 OK' |
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232 | 229 | res.headers[b'Content-Type'] = FRAMINGTYPE |
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233 | 230 | res.setbodygen(meta['framegen']) |
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234 | 231 | elif action == 'noop': |
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235 | 232 | pass |
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236 | 233 | else: |
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237 | 234 | raise error.ProgrammingError('unhandled action from frame processor: %s' |
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238 | 235 | % action) |
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239 | 236 | |
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240 | 237 | def _httpv2runcommand(ui, repo, req, res, authedperm, reqcommand, reactor, |
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241 | 238 | outstream, command, issubsequent): |
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242 | 239 | """Dispatch a wire protocol command made from HTTPv2 requests. |
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243 | 240 | |
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244 | 241 | The authenticated permission (``authedperm``) along with the original |
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245 | 242 | command from the URL (``reqcommand``) are passed in. |
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246 | 243 | """ |
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247 | 244 | # We already validated that the session has permissions to perform the |
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248 | 245 | # actions in ``authedperm``. In the unified frame protocol, the canonical |
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249 | 246 | # command to run is expressed in a frame. However, the URL also requested |
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250 | 247 | # to run a specific command. We need to be careful that the command we |
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251 | 248 | # run doesn't have permissions requirements greater than what was granted |
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252 | 249 | # by ``authedperm``. |
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253 | 250 | # |
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254 | 251 | # Our rule for this is we only allow one command per HTTP request and |
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255 | 252 | # that command must match the command in the URL. However, we make |
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256 | 253 | # an exception for the ``multirequest`` URL. This URL is allowed to |
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257 | 254 | # execute multiple commands. We double check permissions of each command |
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258 | 255 | # as it is invoked to ensure there is no privilege escalation. |
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259 | 256 | # TODO consider allowing multiple commands to regular command URLs |
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260 | 257 | # iff each command is the same. |
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261 | 258 | |
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262 | 259 | proto = httpv2protocolhandler(req, ui, args=command['args']) |
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263 | 260 | |
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264 | 261 | if reqcommand == b'multirequest': |
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265 | 262 | if not COMMANDS.commandavailable(command['command'], proto): |
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266 | 263 | # TODO proper error mechanism |
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267 | 264 | res.status = b'200 OK' |
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268 | 265 | res.headers[b'Content-Type'] = b'text/plain' |
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269 | 266 | res.setbodybytes(_('wire protocol command not available: %s') % |
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270 | 267 | command['command']) |
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271 | 268 | return True |
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272 | 269 | |
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273 | 270 | # TODO don't use assert here, since it may be elided by -O. |
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274 | 271 | assert authedperm in (b'ro', b'rw') |
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275 | 272 | wirecommand = COMMANDS[command['command']] |
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276 | 273 | assert wirecommand.permission in ('push', 'pull') |
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277 | 274 | |
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278 | 275 | if authedperm == b'ro' and wirecommand.permission != 'pull': |
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279 | 276 | # TODO proper error mechanism |
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280 | 277 | res.status = b'403 Forbidden' |
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281 | 278 | res.headers[b'Content-Type'] = b'text/plain' |
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282 | 279 | res.setbodybytes(_('insufficient permissions to execute ' |
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283 | 280 | 'command: %s') % command['command']) |
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284 | 281 | return True |
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285 | 282 | |
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286 | 283 | # TODO should we also call checkperm() here? Maybe not if we're going |
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287 | 284 | # to overhaul that API. The granted scope from the URL check should |
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288 | 285 | # be good enough. |
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289 | 286 | |
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290 | 287 | else: |
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291 | 288 | # Don't allow multiple commands outside of ``multirequest`` URL. |
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292 | 289 | if issubsequent: |
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293 | 290 | # TODO proper error mechanism |
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294 | 291 | res.status = b'200 OK' |
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295 | 292 | res.headers[b'Content-Type'] = b'text/plain' |
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296 | 293 | res.setbodybytes(_('multiple commands cannot be issued to this ' |
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297 | 294 | 'URL')) |
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298 | 295 | return True |
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299 | 296 | |
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300 | 297 | if reqcommand != command['command']: |
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301 | 298 | # TODO define proper error mechanism |
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302 | 299 | res.status = b'200 OK' |
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303 | 300 | res.headers[b'Content-Type'] = b'text/plain' |
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304 | 301 | res.setbodybytes(_('command in frame must match command in URL')) |
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305 | 302 | return True |
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306 | 303 | |
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307 | 304 | res.status = b'200 OK' |
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308 | 305 | res.headers[b'Content-Type'] = FRAMINGTYPE |
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309 | 306 | |
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310 | 307 | try: |
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311 | 308 | objs = dispatch(repo, proto, command['command']) |
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312 | 309 | |
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313 | 310 | action, meta = reactor.oncommandresponsereadyobjects( |
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314 | 311 | outstream, command['requestid'], objs) |
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315 | 312 | |
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316 | 313 | except error.WireprotoCommandError as e: |
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317 | 314 | action, meta = reactor.oncommanderror( |
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318 | 315 | outstream, command['requestid'], e.message, e.messageargs) |
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319 | 316 | |
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320 | 317 | except Exception as e: |
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321 | 318 | action, meta = reactor.onservererror( |
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322 | 319 | outstream, command['requestid'], |
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323 | 320 | _('exception when invoking command: %s') % |
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324 | 321 | stringutil.forcebytestr(e)) |
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325 | 322 | |
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326 | 323 | if action == 'sendframes': |
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327 | 324 | res.setbodygen(meta['framegen']) |
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328 | 325 | return True |
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329 | 326 | elif action == 'noop': |
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330 | 327 | return False |
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331 | 328 | else: |
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332 | 329 | raise error.ProgrammingError('unhandled event from reactor: %s' % |
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333 | 330 | action) |
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334 | 331 | |
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335 | 332 | def getdispatchrepo(repo, proto, command): |
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336 | 333 | return repo.filtered('served') |
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337 | 334 | |
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338 | 335 | def dispatch(repo, proto, command): |
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339 | 336 | repo = getdispatchrepo(repo, proto, command) |
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340 | 337 | |
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341 | 338 | func, spec = COMMANDS[command] |
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342 | 339 | args = proto.getargs(spec) |
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343 | 340 | |
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344 | 341 | return func(repo, proto, **pycompat.strkwargs(args)) |
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345 | 342 | |
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346 | 343 | @interfaceutil.implementer(wireprototypes.baseprotocolhandler) |
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347 | 344 | class httpv2protocolhandler(object): |
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348 | 345 | def __init__(self, req, ui, args=None): |
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349 | 346 | self._req = req |
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350 | 347 | self._ui = ui |
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351 | 348 | self._args = args |
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352 | 349 | |
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353 | 350 | @property |
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354 | 351 | def name(self): |
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355 | 352 | return HTTP_WIREPROTO_V2 |
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356 | 353 | |
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357 | 354 | def getargs(self, args): |
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358 | 355 | # First look for args that were passed but aren't registered on this |
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359 | 356 | # command. |
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360 | 357 | extra = set(self._args) - set(args) |
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361 | 358 | if extra: |
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362 | 359 | raise error.WireprotoCommandError( |
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363 | 360 | 'unsupported argument to command: %s' % |
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364 | 361 | ', '.join(sorted(extra))) |
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365 | 362 | |
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366 | 363 | # And look for required arguments that are missing. |
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367 | 364 | missing = {a for a in args if args[a]['required']} - set(self._args) |
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368 | 365 | |
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369 | 366 | if missing: |
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370 | 367 | raise error.WireprotoCommandError( |
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371 | 368 | 'missing required arguments: %s' % ', '.join(sorted(missing))) |
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372 | 369 | |
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373 | 370 | # Now derive the arguments to pass to the command, taking into |
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374 | 371 | # account the arguments specified by the client. |
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375 | 372 | data = {} |
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376 | 373 | for k, meta in sorted(args.items()): |
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377 | 374 | # This argument wasn't passed by the client. |
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378 | 375 | if k not in self._args: |
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379 | 376 | data[k] = meta['default']() |
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380 | 377 | continue |
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381 | 378 | |
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382 | 379 | v = self._args[k] |
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383 | 380 | |
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384 | 381 | # Sets may be expressed as lists. Silently normalize. |
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385 | 382 | if meta['type'] == 'set' and isinstance(v, list): |
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386 | 383 | v = set(v) |
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387 | 384 | |
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388 | 385 | # TODO consider more/stronger type validation. |
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389 | 386 | |
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390 | 387 | data[k] = v |
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391 | 388 | |
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392 | 389 | return data |
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393 | 390 | |
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394 | 391 | def getprotocaps(self): |
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395 | 392 | # Protocol capabilities are currently not implemented for HTTP V2. |
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396 | 393 | return set() |
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397 | 394 | |
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398 | 395 | def getpayload(self): |
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399 | 396 | raise NotImplementedError |
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400 | 397 | |
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401 | 398 | @contextlib.contextmanager |
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402 | 399 | def mayberedirectstdio(self): |
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403 | 400 | raise NotImplementedError |
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404 | 401 | |
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405 | 402 | def client(self): |
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406 | 403 | raise NotImplementedError |
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407 | 404 | |
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408 | 405 | def addcapabilities(self, repo, caps): |
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409 | 406 | return caps |
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410 | 407 | |
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411 | 408 | def checkperm(self, perm): |
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412 | 409 | raise NotImplementedError |
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413 | 410 | |
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414 | 411 | def httpv2apidescriptor(req, repo): |
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415 | 412 | proto = httpv2protocolhandler(req, repo.ui) |
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416 | 413 | |
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417 | 414 | return _capabilitiesv2(repo, proto) |
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418 | 415 | |
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419 | 416 | def _capabilitiesv2(repo, proto): |
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420 | 417 | """Obtain the set of capabilities for version 2 transports. |
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421 | 418 | |
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422 | 419 | These capabilities are distinct from the capabilities for version 1 |
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423 | 420 | transports. |
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424 | 421 | """ |
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425 | 422 | compression = [] |
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426 | 423 | for engine in wireprototypes.supportedcompengines(repo.ui, util.SERVERROLE): |
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427 | 424 | compression.append({ |
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428 | 425 | b'name': engine.wireprotosupport().name, |
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429 | 426 | }) |
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430 | 427 | |
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431 | 428 | caps = { |
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432 | 429 | 'commands': {}, |
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433 | 430 | 'compression': compression, |
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434 | 431 | 'framingmediatypes': [FRAMINGTYPE], |
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435 | 432 | 'pathfilterprefixes': set(narrowspec.VALID_PREFIXES), |
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436 | 433 | } |
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437 | 434 | |
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438 | 435 | for command, entry in COMMANDS.items(): |
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439 | 436 | args = {} |
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440 | 437 | |
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441 | 438 | for arg, meta in entry.args.items(): |
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442 | 439 | args[arg] = { |
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443 | 440 | # TODO should this be a normalized type using CBOR's |
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444 | 441 | # terminology? |
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445 | 442 | b'type': meta['type'], |
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446 | 443 | b'required': meta['required'], |
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447 | 444 | } |
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448 | 445 | |
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449 | 446 | if not meta['required']: |
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450 | 447 | args[arg][b'default'] = meta['default']() |
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451 | 448 | |
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452 | 449 | if meta['validvalues']: |
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453 | 450 | args[arg][b'validvalues'] = meta['validvalues'] |
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454 | 451 | |
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455 | 452 | caps['commands'][command] = { |
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456 | 453 | 'args': args, |
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457 | 454 | 'permissions': [entry.permission], |
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458 | 455 | } |
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459 | 456 | |
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460 | 457 | if streamclone.allowservergeneration(repo): |
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461 | 458 | caps['rawrepoformats'] = sorted(repo.requirements & |
|
462 | 459 | repo.supportedformats) |
|
463 | 460 | |
|
464 | 461 | return proto.addcapabilities(repo, caps) |
|
465 | 462 | |
|
466 | def builddeltarequests(store, nodes, haveparents): | |
|
467 | """Build a series of revision delta requests against a backend store. | |
|
468 | ||
|
469 | Returns a list of revision numbers in the order they should be sent | |
|
470 | and a list of ``irevisiondeltarequest`` instances to be made against | |
|
471 | the backend store. | |
|
472 | """ | |
|
473 | # We sort and send nodes in DAG order because this is optimal for | |
|
474 | # storage emission. | |
|
475 | # TODO we may want a better storage API here - one where we can throw | |
|
476 | # a list of nodes and delta preconditions over a figurative wall and | |
|
477 | # have the storage backend figure it out for us. | |
|
478 | revs = dagop.linearize({store.rev(n) for n in nodes}, store.parentrevs) | |
|
479 | ||
|
480 | requests = [] | |
|
481 | seenrevs = set() | |
|
482 | ||
|
483 | for rev in revs: | |
|
484 | node = store.node(rev) | |
|
485 | parentnodes = store.parents(node) | |
|
486 | parentrevs = [store.rev(n) for n in parentnodes] | |
|
487 | deltabaserev = store.deltaparent(rev) | |
|
488 | deltabasenode = store.node(deltabaserev) | |
|
489 | ||
|
490 | # The choice of whether to send a fulltext revision or a delta and | |
|
491 | # what delta to send is governed by a few factors. | |
|
492 | # | |
|
493 | # To send a delta, we need to ensure the receiver is capable of | |
|
494 | # decoding it. And that requires the receiver to have the base | |
|
495 | # revision the delta is against. | |
|
496 | # | |
|
497 | # We can only guarantee the receiver has the base revision if | |
|
498 | # a) we've already sent the revision as part of this group | |
|
499 | # b) the receiver has indicated they already have the revision. | |
|
500 | # And the mechanism for "b" is the client indicating they have | |
|
501 | # parent revisions. So this means we can only send the delta if | |
|
502 | # it is sent before or it is against a delta and the receiver says | |
|
503 | # they have a parent. | |
|
504 | ||
|
505 | # We can send storage delta if it is against a revision we've sent | |
|
506 | # in this group. | |
|
507 | if deltabaserev != nullrev and deltabaserev in seenrevs: | |
|
508 | basenode = deltabasenode | |
|
509 | ||
|
510 | # We can send storage delta if it is against a parent revision and | |
|
511 | # the receiver indicates they have the parents. | |
|
512 | elif (deltabaserev != nullrev and deltabaserev in parentrevs | |
|
513 | and haveparents): | |
|
514 | basenode = deltabasenode | |
|
515 | ||
|
516 | # Otherwise the storage delta isn't appropriate. Fall back to | |
|
517 | # using another delta, if possible. | |
|
518 | ||
|
519 | # Use p1 if we've emitted it or receiver says they have it. | |
|
520 | elif parentrevs[0] != nullrev and ( | |
|
521 | parentrevs[0] in seenrevs or haveparents): | |
|
522 | basenode = parentnodes[0] | |
|
523 | ||
|
524 | # Use p2 if we've emitted it or receiver says they have it. | |
|
525 | elif parentrevs[1] != nullrev and ( | |
|
526 | parentrevs[1] in seenrevs or haveparents): | |
|
527 | basenode = parentnodes[1] | |
|
528 | ||
|
529 | # Nothing appropriate to delta against. Send the full revision. | |
|
530 | else: | |
|
531 | basenode = nullid | |
|
532 | ||
|
533 | requests.append(changegroup.revisiondeltarequest( | |
|
534 | node=node, | |
|
535 | p1node=parentnodes[0], | |
|
536 | p2node=parentnodes[1], | |
|
537 | # Receiver deals with linknode resolution. | |
|
538 | linknode=nullid, | |
|
539 | basenode=basenode, | |
|
540 | )) | |
|
541 | ||
|
542 | seenrevs.add(rev) | |
|
543 | ||
|
544 | return revs, requests | |
|
545 | ||
|
546 | 463 | def wireprotocommand(name, args=None, permission='push'): |
|
547 | 464 | """Decorator to declare a wire protocol command. |
|
548 | 465 | |
|
549 | 466 | ``name`` is the name of the wire protocol command being provided. |
|
550 | 467 | |
|
551 | 468 | ``args`` is a dict defining arguments accepted by the command. Keys are |
|
552 | 469 | the argument name. Values are dicts with the following keys: |
|
553 | 470 | |
|
554 | 471 | ``type`` |
|
555 | 472 | The argument data type. Must be one of the following string |
|
556 | 473 | literals: ``bytes``, ``int``, ``list``, ``dict``, ``set``, |
|
557 | 474 | or ``bool``. |
|
558 | 475 | |
|
559 | 476 | ``default`` |
|
560 | 477 | A callable returning the default value for this argument. If not |
|
561 | 478 | specified, ``None`` will be the default value. |
|
562 | 479 | |
|
563 | 480 | ``required`` |
|
564 | 481 | Bool indicating whether the argument is required. |
|
565 | 482 | |
|
566 | 483 | ``example`` |
|
567 | 484 | An example value for this argument. |
|
568 | 485 | |
|
569 | 486 | ``validvalues`` |
|
570 | 487 | Set of recognized values for this argument. |
|
571 | 488 | |
|
572 | 489 | ``permission`` defines the permission type needed to run this command. |
|
573 | 490 | Can be ``push`` or ``pull``. These roughly map to read-write and read-only, |
|
574 | 491 | respectively. Default is to assume command requires ``push`` permissions |
|
575 | 492 | because otherwise commands not declaring their permissions could modify |
|
576 | 493 | a repository that is supposed to be read-only. |
|
577 | 494 | |
|
578 | 495 | Wire protocol commands are generators of objects to be serialized and |
|
579 | 496 | sent to the client. |
|
580 | 497 | |
|
581 | 498 | If a command raises an uncaught exception, this will be translated into |
|
582 | 499 | a command error. |
|
583 | 500 | """ |
|
584 | 501 | transports = {k for k, v in wireprototypes.TRANSPORTS.items() |
|
585 | 502 | if v['version'] == 2} |
|
586 | 503 | |
|
587 | 504 | if permission not in ('push', 'pull'): |
|
588 | 505 | raise error.ProgrammingError('invalid wire protocol permission; ' |
|
589 | 506 | 'got %s; expected "push" or "pull"' % |
|
590 | 507 | permission) |
|
591 | 508 | |
|
592 | 509 | if args is None: |
|
593 | 510 | args = {} |
|
594 | 511 | |
|
595 | 512 | if not isinstance(args, dict): |
|
596 | 513 | raise error.ProgrammingError('arguments for version 2 commands ' |
|
597 | 514 | 'must be declared as dicts') |
|
598 | 515 | |
|
599 | 516 | for arg, meta in args.items(): |
|
600 | 517 | if arg == '*': |
|
601 | 518 | raise error.ProgrammingError('* argument name not allowed on ' |
|
602 | 519 | 'version 2 commands') |
|
603 | 520 | |
|
604 | 521 | if not isinstance(meta, dict): |
|
605 | 522 | raise error.ProgrammingError('arguments for version 2 commands ' |
|
606 | 523 | 'must declare metadata as a dict') |
|
607 | 524 | |
|
608 | 525 | if 'type' not in meta: |
|
609 | 526 | raise error.ProgrammingError('%s argument for command %s does not ' |
|
610 | 527 | 'declare type field' % (arg, name)) |
|
611 | 528 | |
|
612 | 529 | if meta['type'] not in ('bytes', 'int', 'list', 'dict', 'set', 'bool'): |
|
613 | 530 | raise error.ProgrammingError('%s argument for command %s has ' |
|
614 | 531 | 'illegal type: %s' % (arg, name, |
|
615 | 532 | meta['type'])) |
|
616 | 533 | |
|
617 | 534 | if 'example' not in meta: |
|
618 | 535 | raise error.ProgrammingError('%s argument for command %s does not ' |
|
619 | 536 | 'declare example field' % (arg, name)) |
|
620 | 537 | |
|
621 | 538 | if 'default' in meta and meta.get('required'): |
|
622 | 539 | raise error.ProgrammingError('%s argument for command %s is marked ' |
|
623 | 540 | 'as required but has a default value' % |
|
624 | 541 | (arg, name)) |
|
625 | 542 | |
|
626 | 543 | meta.setdefault('default', lambda: None) |
|
627 | 544 | meta.setdefault('required', False) |
|
628 | 545 | meta.setdefault('validvalues', None) |
|
629 | 546 | |
|
630 | 547 | def register(func): |
|
631 | 548 | if name in COMMANDS: |
|
632 | 549 | raise error.ProgrammingError('%s command already registered ' |
|
633 | 550 | 'for version 2' % name) |
|
634 | 551 | |
|
635 | 552 | COMMANDS[name] = wireprototypes.commandentry( |
|
636 | 553 | func, args=args, transports=transports, permission=permission) |
|
637 | 554 | |
|
638 | 555 | return func |
|
639 | 556 | |
|
640 | 557 | return register |
|
641 | 558 | |
|
642 | 559 | @wireprotocommand('branchmap', permission='pull') |
|
643 | 560 | def branchmapv2(repo, proto): |
|
644 | 561 | yield {encoding.fromlocal(k): v |
|
645 | 562 | for k, v in repo.branchmap().iteritems()} |
|
646 | 563 | |
|
647 | 564 | @wireprotocommand('capabilities', permission='pull') |
|
648 | 565 | def capabilitiesv2(repo, proto): |
|
649 | 566 | yield _capabilitiesv2(repo, proto) |
|
650 | 567 | |
|
651 | 568 | @wireprotocommand( |
|
652 | 569 | 'changesetdata', |
|
653 | 570 | args={ |
|
654 | 571 | 'noderange': { |
|
655 | 572 | 'type': 'list', |
|
656 | 573 | 'example': [[b'0123456...'], [b'abcdef...']], |
|
657 | 574 | }, |
|
658 | 575 | 'nodes': { |
|
659 | 576 | 'type': 'list', |
|
660 | 577 | 'example': [b'0123456...'], |
|
661 | 578 | }, |
|
662 | 579 | 'nodesdepth': { |
|
663 | 580 | 'type': 'int', |
|
664 | 581 | 'example': 10, |
|
665 | 582 | }, |
|
666 | 583 | 'fields': { |
|
667 | 584 | 'type': 'set', |
|
668 | 585 | 'default': set, |
|
669 | 586 | 'example': {b'parents', b'revision'}, |
|
670 | 587 | 'validvalues': {b'bookmarks', b'parents', b'phase', b'revision'}, |
|
671 | 588 | }, |
|
672 | 589 | }, |
|
673 | 590 | permission='pull') |
|
674 | 591 | def changesetdata(repo, proto, noderange, nodes, nodesdepth, fields): |
|
675 | 592 | # TODO look for unknown fields and abort when they can't be serviced. |
|
676 | 593 | # This could probably be validated by dispatcher using validvalues. |
|
677 | 594 | |
|
678 | 595 | if noderange is None and nodes is None: |
|
679 | 596 | raise error.WireprotoCommandError( |
|
680 | 597 | 'noderange or nodes must be defined') |
|
681 | 598 | |
|
682 | 599 | if nodesdepth is not None and nodes is None: |
|
683 | 600 | raise error.WireprotoCommandError( |
|
684 | 601 | 'nodesdepth requires the nodes argument') |
|
685 | 602 | |
|
686 | 603 | if noderange is not None: |
|
687 | 604 | if len(noderange) != 2: |
|
688 | 605 | raise error.WireprotoCommandError( |
|
689 | 606 | 'noderange must consist of 2 elements') |
|
690 | 607 | |
|
691 | 608 | if not noderange[1]: |
|
692 | 609 | raise error.WireprotoCommandError( |
|
693 | 610 | 'heads in noderange request cannot be empty') |
|
694 | 611 | |
|
695 | 612 | cl = repo.changelog |
|
696 | 613 | hasnode = cl.hasnode |
|
697 | 614 | |
|
698 | 615 | seen = set() |
|
699 | 616 | outgoing = [] |
|
700 | 617 | |
|
701 | 618 | if nodes is not None: |
|
702 | 619 | outgoing = [n for n in nodes if hasnode(n)] |
|
703 | 620 | |
|
704 | 621 | if nodesdepth: |
|
705 | 622 | outgoing = [cl.node(r) for r in |
|
706 | 623 | repo.revs(b'ancestors(%ln, %d)', outgoing, |
|
707 | 624 | nodesdepth - 1)] |
|
708 | 625 | |
|
709 | 626 | seen |= set(outgoing) |
|
710 | 627 | |
|
711 | 628 | if noderange is not None: |
|
712 | 629 | if noderange[0]: |
|
713 | 630 | common = [n for n in noderange[0] if hasnode(n)] |
|
714 | 631 | else: |
|
715 | 632 | common = [nullid] |
|
716 | 633 | |
|
717 | 634 | for n in discovery.outgoing(repo, common, noderange[1]).missing: |
|
718 | 635 | if n not in seen: |
|
719 | 636 | outgoing.append(n) |
|
720 | 637 | # Don't need to add to seen here because this is the final |
|
721 | 638 | # source of nodes and there should be no duplicates in this |
|
722 | 639 | # list. |
|
723 | 640 | |
|
724 | 641 | seen.clear() |
|
725 | 642 | publishing = repo.publishing() |
|
726 | 643 | |
|
727 | 644 | if outgoing: |
|
728 | 645 | repo.hook('preoutgoing', throw=True, source='serve') |
|
729 | 646 | |
|
730 | 647 | yield { |
|
731 | 648 | b'totalitems': len(outgoing), |
|
732 | 649 | } |
|
733 | 650 | |
|
734 | 651 | # The phases of nodes already transferred to the client may have changed |
|
735 | 652 | # since the client last requested data. We send phase-only records |
|
736 | 653 | # for these revisions, if requested. |
|
737 | 654 | if b'phase' in fields and noderange is not None: |
|
738 | 655 | # TODO skip nodes whose phase will be reflected by a node in the |
|
739 | 656 | # outgoing set. This is purely an optimization to reduce data |
|
740 | 657 | # size. |
|
741 | 658 | for node in noderange[0]: |
|
742 | 659 | yield { |
|
743 | 660 | b'node': node, |
|
744 | 661 | b'phase': b'public' if publishing else repo[node].phasestr() |
|
745 | 662 | } |
|
746 | 663 | |
|
747 | 664 | nodebookmarks = {} |
|
748 | 665 | for mark, node in repo._bookmarks.items(): |
|
749 | 666 | nodebookmarks.setdefault(node, set()).add(mark) |
|
750 | 667 | |
|
751 | 668 | # It is already topologically sorted by revision number. |
|
752 | 669 | for node in outgoing: |
|
753 | 670 | d = { |
|
754 | 671 | b'node': node, |
|
755 | 672 | } |
|
756 | 673 | |
|
757 | 674 | if b'parents' in fields: |
|
758 | 675 | d[b'parents'] = cl.parents(node) |
|
759 | 676 | |
|
760 | 677 | if b'phase' in fields: |
|
761 | 678 | if publishing: |
|
762 | 679 | d[b'phase'] = b'public' |
|
763 | 680 | else: |
|
764 | 681 | ctx = repo[node] |
|
765 | 682 | d[b'phase'] = ctx.phasestr() |
|
766 | 683 | |
|
767 | 684 | if b'bookmarks' in fields and node in nodebookmarks: |
|
768 | 685 | d[b'bookmarks'] = sorted(nodebookmarks[node]) |
|
769 | 686 | del nodebookmarks[node] |
|
770 | 687 | |
|
771 | 688 | followingmeta = [] |
|
772 | 689 | followingdata = [] |
|
773 | 690 | |
|
774 | 691 | if b'revision' in fields: |
|
775 | 692 | revisiondata = cl.revision(node, raw=True) |
|
776 | 693 | followingmeta.append((b'revision', len(revisiondata))) |
|
777 | 694 | followingdata.append(revisiondata) |
|
778 | 695 | |
|
779 | 696 | # TODO make it possible for extensions to wrap a function or register |
|
780 | 697 | # a handler to service custom fields. |
|
781 | 698 | |
|
782 | 699 | if followingmeta: |
|
783 | 700 | d[b'fieldsfollowing'] = followingmeta |
|
784 | 701 | |
|
785 | 702 | yield d |
|
786 | 703 | |
|
787 | 704 | for extra in followingdata: |
|
788 | 705 | yield extra |
|
789 | 706 | |
|
790 | 707 | # If requested, send bookmarks from nodes that didn't have revision |
|
791 | 708 | # data sent so receiver is aware of any bookmark updates. |
|
792 | 709 | if b'bookmarks' in fields: |
|
793 | 710 | for node, marks in sorted(nodebookmarks.iteritems()): |
|
794 | 711 | yield { |
|
795 | 712 | b'node': node, |
|
796 | 713 | b'bookmarks': sorted(marks), |
|
797 | 714 | } |
|
798 | 715 | |
|
799 | 716 | class FileAccessError(Exception): |
|
800 | 717 | """Represents an error accessing a specific file.""" |
|
801 | 718 | |
|
802 | 719 | def __init__(self, path, msg, args): |
|
803 | 720 | self.path = path |
|
804 | 721 | self.msg = msg |
|
805 | 722 | self.args = args |
|
806 | 723 | |
|
807 | 724 | def getfilestore(repo, proto, path): |
|
808 | 725 | """Obtain a file storage object for use with wire protocol. |
|
809 | 726 | |
|
810 | 727 | Exists as a standalone function so extensions can monkeypatch to add |
|
811 | 728 | access control. |
|
812 | 729 | """ |
|
813 | 730 | # This seems to work even if the file doesn't exist. So catch |
|
814 | 731 | # "empty" files and return an error. |
|
815 | 732 | fl = repo.file(path) |
|
816 | 733 | |
|
817 | 734 | if not len(fl): |
|
818 | 735 | raise FileAccessError(path, 'unknown file: %s', (path,)) |
|
819 | 736 | |
|
820 | 737 | return fl |
|
821 | 738 | |
|
822 | 739 | @wireprotocommand( |
|
823 | 740 | 'filedata', |
|
824 | 741 | args={ |
|
825 | 742 | 'haveparents': { |
|
826 | 743 | 'type': 'bool', |
|
827 | 744 | 'default': lambda: False, |
|
828 | 745 | 'example': True, |
|
829 | 746 | }, |
|
830 | 747 | 'nodes': { |
|
831 | 748 | 'type': 'list', |
|
832 | 749 | 'required': True, |
|
833 | 750 | 'example': [b'0123456...'], |
|
834 | 751 | }, |
|
835 | 752 | 'fields': { |
|
836 | 753 | 'type': 'set', |
|
837 | 754 | 'default': set, |
|
838 | 755 | 'example': {b'parents', b'revision'}, |
|
839 | 756 | 'validvalues': {b'parents', b'revision'}, |
|
840 | 757 | }, |
|
841 | 758 | 'path': { |
|
842 | 759 | 'type': 'bytes', |
|
843 | 760 | 'required': True, |
|
844 | 761 | 'example': b'foo.txt', |
|
845 | 762 | } |
|
846 | 763 | }, |
|
847 | 764 | permission='pull') |
|
848 | 765 | def filedata(repo, proto, haveparents, nodes, fields, path): |
|
849 | 766 | try: |
|
850 | 767 | # Extensions may wish to access the protocol handler. |
|
851 | 768 | store = getfilestore(repo, proto, path) |
|
852 | 769 | except FileAccessError as e: |
|
853 | 770 | raise error.WireprotoCommandError(e.msg, e.args) |
|
854 | 771 | |
|
855 | 772 | # Validate requested nodes. |
|
856 | 773 | for node in nodes: |
|
857 | 774 | try: |
|
858 | 775 | store.rev(node) |
|
859 | 776 | except error.LookupError: |
|
860 | 777 | raise error.WireprotoCommandError('unknown file node: %s', |
|
861 | 778 | (hex(node),)) |
|
862 | 779 | |
|
863 | revs, requests = builddeltarequests(store, nodes, haveparents) | |
|
780 | revisions = store.emitrevisions(nodes, | |
|
781 | revisiondata=b'revision' in fields, | |
|
782 | assumehaveparentrevisions=haveparents) | |
|
864 | 783 | |
|
865 | 784 | yield { |
|
866 |
b'totalitems': len( |
|
|
785 | b'totalitems': len(nodes), | |
|
867 | 786 | } |
|
868 | 787 | |
|
869 |
|
|
|
870 | deltas = store.emitrevisiondeltas(requests) | |
|
871 | else: | |
|
872 | deltas = None | |
|
873 | ||
|
874 | for rev in revs: | |
|
875 | node = store.node(rev) | |
|
876 | ||
|
877 | if deltas is not None: | |
|
878 | delta = next(deltas) | |
|
879 | else: | |
|
880 | delta = None | |
|
881 | ||
|
788 | for revision in revisions: | |
|
882 | 789 | d = { |
|
883 | b'node': node, | |
|
790 | b'node': revision.node, | |
|
884 | 791 | } |
|
885 | 792 | |
|
886 | 793 | if b'parents' in fields: |
|
887 |
d[b'parents'] = |
|
|
794 | d[b'parents'] = [revision.p1node, revision.p2node] | |
|
888 | 795 | |
|
889 | 796 | followingmeta = [] |
|
890 | 797 | followingdata = [] |
|
891 | 798 | |
|
892 | 799 | if b'revision' in fields: |
|
893 |
|
|
|
894 | assert delta.flags == 0 | |
|
895 | assert d[b'node'] == delta.node | |
|
896 | ||
|
897 | if delta.revision is not None: | |
|
898 | followingmeta.append((b'revision', len(delta.revision))) | |
|
899 | followingdata.append(delta.revision) | |
|
800 | if revision.revision is not None: | |
|
801 | followingmeta.append((b'revision', len(revision.revision))) | |
|
802 | followingdata.append(revision.revision) | |
|
900 | 803 | else: |
|
901 |
d[b'deltabasenode'] = |
|
|
902 |
followingmeta.append((b'delta', len( |
|
|
903 |
followingdata.append( |
|
|
804 | d[b'deltabasenode'] = revision.basenode | |
|
805 | followingmeta.append((b'delta', len(revision.delta))) | |
|
806 | followingdata.append(revision.delta) | |
|
904 | 807 | |
|
905 | 808 | if followingmeta: |
|
906 | 809 | d[b'fieldsfollowing'] = followingmeta |
|
907 | 810 | |
|
908 | 811 | yield d |
|
909 | 812 | |
|
910 | 813 | for extra in followingdata: |
|
911 | 814 | yield extra |
|
912 | 815 | |
|
913 | if deltas is not None: | |
|
914 | try: | |
|
915 | next(deltas) | |
|
916 | raise error.ProgrammingError('should not have more deltas') | |
|
917 | except GeneratorExit: | |
|
918 | pass | |
|
919 | ||
|
920 | 816 | @wireprotocommand( |
|
921 | 817 | 'heads', |
|
922 | 818 | args={ |
|
923 | 819 | 'publiconly': { |
|
924 | 820 | 'type': 'bool', |
|
925 | 821 | 'default': lambda: False, |
|
926 | 822 | 'example': False, |
|
927 | 823 | }, |
|
928 | 824 | }, |
|
929 | 825 | permission='pull') |
|
930 | 826 | def headsv2(repo, proto, publiconly): |
|
931 | 827 | if publiconly: |
|
932 | 828 | repo = repo.filtered('immutable') |
|
933 | 829 | |
|
934 | 830 | yield repo.heads() |
|
935 | 831 | |
|
936 | 832 | @wireprotocommand( |
|
937 | 833 | 'known', |
|
938 | 834 | args={ |
|
939 | 835 | 'nodes': { |
|
940 | 836 | 'type': 'list', |
|
941 | 837 | 'default': list, |
|
942 | 838 | 'example': [b'deadbeef'], |
|
943 | 839 | }, |
|
944 | 840 | }, |
|
945 | 841 | permission='pull') |
|
946 | 842 | def knownv2(repo, proto, nodes): |
|
947 | 843 | result = b''.join(b'1' if n else b'0' for n in repo.known(nodes)) |
|
948 | 844 | yield result |
|
949 | 845 | |
|
950 | 846 | @wireprotocommand( |
|
951 | 847 | 'listkeys', |
|
952 | 848 | args={ |
|
953 | 849 | 'namespace': { |
|
954 | 850 | 'type': 'bytes', |
|
955 | 851 | 'required': True, |
|
956 | 852 | 'example': b'ns', |
|
957 | 853 | }, |
|
958 | 854 | }, |
|
959 | 855 | permission='pull') |
|
960 | 856 | def listkeysv2(repo, proto, namespace): |
|
961 | 857 | keys = repo.listkeys(encoding.tolocal(namespace)) |
|
962 | 858 | keys = {encoding.fromlocal(k): encoding.fromlocal(v) |
|
963 | 859 | for k, v in keys.iteritems()} |
|
964 | 860 | |
|
965 | 861 | yield keys |
|
966 | 862 | |
|
967 | 863 | @wireprotocommand( |
|
968 | 864 | 'lookup', |
|
969 | 865 | args={ |
|
970 | 866 | 'key': { |
|
971 | 867 | 'type': 'bytes', |
|
972 | 868 | 'required': True, |
|
973 | 869 | 'example': b'foo', |
|
974 | 870 | }, |
|
975 | 871 | }, |
|
976 | 872 | permission='pull') |
|
977 | 873 | def lookupv2(repo, proto, key): |
|
978 | 874 | key = encoding.tolocal(key) |
|
979 | 875 | |
|
980 | 876 | # TODO handle exception. |
|
981 | 877 | node = repo.lookup(key) |
|
982 | 878 | |
|
983 | 879 | yield node |
|
984 | 880 | |
|
985 | 881 | @wireprotocommand( |
|
986 | 882 | 'manifestdata', |
|
987 | 883 | args={ |
|
988 | 884 | 'nodes': { |
|
989 | 885 | 'type': 'list', |
|
990 | 886 | 'required': True, |
|
991 | 887 | 'example': [b'0123456...'], |
|
992 | 888 | }, |
|
993 | 889 | 'haveparents': { |
|
994 | 890 | 'type': 'bool', |
|
995 | 891 | 'default': lambda: False, |
|
996 | 892 | 'example': True, |
|
997 | 893 | }, |
|
998 | 894 | 'fields': { |
|
999 | 895 | 'type': 'set', |
|
1000 | 896 | 'default': set, |
|
1001 | 897 | 'example': {b'parents', b'revision'}, |
|
1002 | 898 | 'validvalues': {b'parents', b'revision'}, |
|
1003 | 899 | }, |
|
1004 | 900 | 'tree': { |
|
1005 | 901 | 'type': 'bytes', |
|
1006 | 902 | 'required': True, |
|
1007 | 903 | 'example': b'', |
|
1008 | 904 | }, |
|
1009 | 905 | }, |
|
1010 | 906 | permission='pull') |
|
1011 | 907 | def manifestdata(repo, proto, haveparents, nodes, fields, tree): |
|
1012 | 908 | store = repo.manifestlog.getstorage(tree) |
|
1013 | 909 | |
|
1014 | 910 | # Validate the node is known and abort on unknown revisions. |
|
1015 | 911 | for node in nodes: |
|
1016 | 912 | try: |
|
1017 | 913 | store.rev(node) |
|
1018 | 914 | except error.LookupError: |
|
1019 | 915 | raise error.WireprotoCommandError( |
|
1020 | 916 | 'unknown node: %s', (node,)) |
|
1021 | 917 | |
|
1022 | revs, requests = builddeltarequests(store, nodes, haveparents) | |
|
918 | revisions = store.emitrevisions(nodes, | |
|
919 | revisiondata=b'revision' in fields, | |
|
920 | assumehaveparentrevisions=haveparents) | |
|
1023 | 921 | |
|
1024 | 922 | yield { |
|
1025 |
b'totalitems': len( |
|
|
923 | b'totalitems': len(nodes), | |
|
1026 | 924 | } |
|
1027 | 925 | |
|
1028 |
|
|
|
1029 | deltas = store.emitrevisiondeltas(requests) | |
|
1030 | else: | |
|
1031 | deltas = None | |
|
1032 | ||
|
1033 | for rev in revs: | |
|
1034 | node = store.node(rev) | |
|
1035 | ||
|
1036 | if deltas is not None: | |
|
1037 | delta = next(deltas) | |
|
1038 | else: | |
|
1039 | delta = None | |
|
1040 | ||
|
926 | for revision in revisions: | |
|
1041 | 927 | d = { |
|
1042 | b'node': node, | |
|
928 | b'node': revision.node, | |
|
1043 | 929 | } |
|
1044 | 930 | |
|
1045 | 931 | if b'parents' in fields: |
|
1046 |
d[b'parents'] = |
|
|
932 | d[b'parents'] = [revision.p1node, revision.p2node] | |
|
1047 | 933 | |
|
1048 | 934 | followingmeta = [] |
|
1049 | 935 | followingdata = [] |
|
1050 | 936 | |
|
1051 | 937 | if b'revision' in fields: |
|
1052 |
|
|
|
1053 | assert delta.flags == 0 | |
|
1054 | assert d[b'node'] == delta.node | |
|
1055 | ||
|
1056 | if delta.revision is not None: | |
|
1057 | followingmeta.append((b'revision', len(delta.revision))) | |
|
1058 | followingdata.append(delta.revision) | |
|
938 | if revision.revision is not None: | |
|
939 | followingmeta.append((b'revision', len(revision.revision))) | |
|
940 | followingdata.append(revision.revision) | |
|
1059 | 941 | else: |
|
1060 |
d[b'deltabasenode'] = |
|
|
1061 |
followingmeta.append((b'delta', len( |
|
|
1062 |
followingdata.append( |
|
|
942 | d[b'deltabasenode'] = revision.basenode | |
|
943 | followingmeta.append((b'delta', len(revision.delta))) | |
|
944 | followingdata.append(revision.delta) | |
|
1063 | 945 | |
|
1064 | 946 | if followingmeta: |
|
1065 | 947 | d[b'fieldsfollowing'] = followingmeta |
|
1066 | 948 | |
|
1067 | 949 | yield d |
|
1068 | 950 | |
|
1069 | 951 | for extra in followingdata: |
|
1070 | 952 | yield extra |
|
1071 | 953 | |
|
1072 | if deltas is not None: | |
|
1073 | try: | |
|
1074 | next(deltas) | |
|
1075 | raise error.ProgrammingError('should not have more deltas') | |
|
1076 | except GeneratorExit: | |
|
1077 | pass | |
|
1078 | ||
|
1079 | 954 | @wireprotocommand( |
|
1080 | 955 | 'pushkey', |
|
1081 | 956 | args={ |
|
1082 | 957 | 'namespace': { |
|
1083 | 958 | 'type': 'bytes', |
|
1084 | 959 | 'required': True, |
|
1085 | 960 | 'example': b'ns', |
|
1086 | 961 | }, |
|
1087 | 962 | 'key': { |
|
1088 | 963 | 'type': 'bytes', |
|
1089 | 964 | 'required': True, |
|
1090 | 965 | 'example': b'key', |
|
1091 | 966 | }, |
|
1092 | 967 | 'old': { |
|
1093 | 968 | 'type': 'bytes', |
|
1094 | 969 | 'required': True, |
|
1095 | 970 | 'example': b'old', |
|
1096 | 971 | }, |
|
1097 | 972 | 'new': { |
|
1098 | 973 | 'type': 'bytes', |
|
1099 | 974 | 'required': True, |
|
1100 | 975 | 'example': 'new', |
|
1101 | 976 | }, |
|
1102 | 977 | }, |
|
1103 | 978 | permission='push') |
|
1104 | 979 | def pushkeyv2(repo, proto, namespace, key, old, new): |
|
1105 | 980 | # TODO handle ui output redirection |
|
1106 | 981 | yield repo.pushkey(encoding.tolocal(namespace), |
|
1107 | 982 | encoding.tolocal(key), |
|
1108 | 983 | encoding.tolocal(old), |
|
1109 | 984 | encoding.tolocal(new)) |
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