annotate mercurial/sshserver.py @ 35350:82ee401135dd

py3: handle keyword arguments correctly in cmdutil.py Differential Revision: https://phab.mercurial-scm.org/D1626
author Pulkit Goyal <7895pulkit@gmail.com>
date Sun, 10 Dec 2017 04:45:10 +0530
parents 5326e4ef1dab
children 8cdb671dbd0b
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1 # sshserver.py - ssh protocol server support for mercurial
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2 #
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3 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
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4 # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com>
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5 #
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6 # This software may be used and distributed according to the terms of the
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7 # GNU General Public License version 2 or any later version.
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8
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9 from __future__ import absolute_import
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10
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11 import sys
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12
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13 from .i18n import _
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14 from . import (
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15 encoding,
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16 error,
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17 hook,
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18 util,
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19 wireproto,
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20 )
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21
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22 class sshserver(wireproto.abstractserverproto):
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23 def __init__(self, ui, repo):
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24 self.ui = ui
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25 self.repo = repo
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26 self.lock = None
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27 self.fin = ui.fin
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28 self.fout = ui.fout
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29 self.name = 'ssh'
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30
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31 hook.redirect(True)
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32 ui.fout = repo.ui.fout = ui.ferr
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33
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34 # Prevent insertion/deletion of CRs
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35 util.setbinary(self.fin)
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36 util.setbinary(self.fout)
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37
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38 def getargs(self, args):
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39 data = {}
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40 keys = args.split()
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41 for n in xrange(len(keys)):
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42 argline = self.fin.readline()[:-1]
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43 arg, l = argline.split()
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44 if arg not in keys:
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45 raise error.Abort(_("unexpected parameter %r") % arg)
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46 if arg == '*':
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47 star = {}
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48 for k in xrange(int(l)):
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49 argline = self.fin.readline()[:-1]
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50 arg, l = argline.split()
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51 val = self.fin.read(int(l))
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52 star[arg] = val
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53 data['*'] = star
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54 else:
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55 val = self.fin.read(int(l))
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56 data[arg] = val
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57 return [data[k] for k in keys]
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58
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59 def getarg(self, name):
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60 return self.getargs(name)[0]
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61
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62 def getfile(self, fpout):
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63 self.sendresponse('')
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64 count = int(self.fin.readline())
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65 while count:
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66 fpout.write(self.fin.read(count))
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67 count = int(self.fin.readline())
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68
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69 def redirect(self):
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70 pass
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71
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72 def sendresponse(self, v):
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73 self.fout.write("%d\n" % len(v))
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74 self.fout.write(v)
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75 self.fout.flush()
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76
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77 def sendstream(self, source):
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78 write = self.fout.write
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79
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80 if source.reader:
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81 gen = iter(lambda: source.reader.read(4096), '')
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82 else:
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83 gen = source.gen
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84
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85 for chunk in gen:
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86 write(chunk)
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87 self.fout.flush()
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88
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89 def sendpushresponse(self, rsp):
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90 self.sendresponse('')
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91 self.sendresponse(str(rsp.res))
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92
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93 def sendpusherror(self, rsp):
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94 self.sendresponse(rsp.res)
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95
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96 def sendooberror(self, rsp):
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97 self.ui.ferr.write('%s\n-\n' % rsp.message)
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98 self.ui.ferr.flush()
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99 self.fout.write('\n')
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100 self.fout.flush()
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101
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102 def serve_forever(self):
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103 try:
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104 while self.serve_one():
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105 pass
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106 finally:
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107 if self.lock is not None:
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108 self.lock.release()
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109 sys.exit(0)
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110
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111 handlers = {
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112 str: sendresponse,
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113 wireproto.streamres: sendstream,
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114 wireproto.pushres: sendpushresponse,
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115 wireproto.pusherr: sendpusherror,
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116 wireproto.ooberror: sendooberror,
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117 }
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118
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119 def serve_one(self):
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120 cmd = self.fin.readline()[:-1]
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121 if cmd and cmd in wireproto.commands:
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122 rsp = wireproto.dispatch(self.repo, self, cmd)
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123 self.handlers[rsp.__class__](self, rsp)
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124 elif cmd:
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125 impl = getattr(self, 'do_' + cmd, None)
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126 if impl:
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127 r = impl()
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128 if r is not None:
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129 self.sendresponse(r)
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130 else:
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131 self.sendresponse("")
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132 return cmd != ''
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133
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134 def _client(self):
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135 client = encoding.environ.get('SSH_CLIENT', '').split(' ', 1)[0]
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136 return 'remote:ssh:' + client