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annotate doc/jp/roster.rst @ 3331:b1e9f17fbb5a

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comp file sharing: minor core re-organisation
author Goffi <goffi@goffi.org>
date Thu, 13 Aug 2020 23:46:18 +0200
parents 7b58b15bd121
children ffe7a6d6018a
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1 ================================
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2 roster: manager an entity roster
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3 ================================
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4
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5 "Roster" is the name used in XMPP for the contact list. In addition to list of contacts,
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6 you have also data like subscription information or groups associated to a contact.
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7
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8 Groups are simple strings associated to one or more contacts (e.g. "friends" or "family").
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9
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10 Subscription is the mechanism to get presence information of an entity. When you add a
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11 contact to your roster, most XMPP clients also do a presence subscription request, than
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12 the entity may accept or deny. If a presence subscription is accepted, the subscribed user
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13 can see when the other entity is online, and its presence status.
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14
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15 get
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16 ===
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17
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18 Show the current roster. By default only a display name and JIDs are displayed, but you
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19 can increase verbosity to also display groups, or all other metadata.
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20
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21 The short name shown next to jid is either the ``name`` specified in roster, or the node
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22 part of the jid. If none of them exist, only the entity JID is shown.
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23
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24 The following metadata may be displayed:
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25
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26 groups
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27 group the entity belong too
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28 ask
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29 true if a presence subscription request has been sent (but not answered yet)
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30 from
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31 the contact has a subscription to user presence (i.e. your contact can see when you're
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32 online and your presence status)
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33 to
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34 the user has a subscription to the contact presence (i.e. you can see when you're
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35 contact is online and his/her presence status)
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36
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37 examples
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38 --------
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39
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40 Get roster of default profile and display groups::
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41
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42 $ jp roster get -v
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43
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44 Get roster of default profile and display all metadata::
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45
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46 $ jp roster get -vv
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47
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48 Get roster or default profile and show the result in JSON::
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49
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50 $ jp roster get -O json
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51
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52 set
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53 ===
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54
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55 Set metadata for a roster entity. Only ``name`` and ``groups`` can be set, ``name`` being
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56 the user chosed name to use with a contact.
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57
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58 By default, values are appended, i.e. if ``name`` is not set it won't delete existing one,
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59 and ``groups`` are appended to existing one. However, if you use the ``-R, --replace``
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60 option, former values will be entirely replaced by given ones (i.e. if you don't use ``-n
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61 NAME, --name NAME`` option, the former one will be deleted, and any former group no added
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62 using ``-g GROUP, --group GROUP`` will be removed).
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63
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64 examples
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65 --------
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66
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67 Set a name used to privately identify your contact Louise::
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68
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69 $ jp roster set -n Enjolras louise@example.net
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70
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71 Replace all groups of Pierre, to add him only to ``friends`` and ``housemates``::
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72
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73 $ jp roster set --replace -g friends -g housemates pierre@example.net
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74
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75 stats
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76 =====
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77
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78 Show some statistics about the profile roster. The number of contacts per server is shown,
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79 with a percentage of contacts on this server compared to the total number of contacts.
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80 This can notably be helpful to see if there is a concentration of your contacts in a
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81 specific server or gateway.
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82
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83 Other more or less useful numbers are shown, they are self explaining.
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84
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85 example
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86 -------
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87
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88 Get statistic for the default profile::
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89
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90 $ jp roster stats
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91
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92 purge
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93 =====
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94
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95 This command is used to remove from the roster all contacts which have no subscription or
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96 only partial subscription.
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97
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98 By default, only contacts without subscription at all are removed. With ``--no_from`` you
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99 also remove contacts which have no subscription to you (but you have a subscription to
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100 them), and with ``--no_to`` you also remove contacts that you are not subscribed to (but
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101 who are subscribed to you).
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102
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103 example
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104 -------
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105
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106 Remove all contacts from default profile which have no subscription at all or from which
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107 the default profile is not subscribed to::
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108
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109 $ jp roster purge --no_to
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110
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111 resync
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112 ======
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113
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114 SàT uses `roster versioning`_ to optimize the synchronisation of roster with server on
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115 client connection. This means that once the roster has been retrieved, on each following
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116 connection, only the difference of contacts (i.e. which new or removed contacts) is
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117 received.
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118
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119 This command does a full resynchronisation of the roster, or in other words it requests
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120 the whole roster and save it, replacing the list built with versioning. ``resync`` is
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121 mostly useful for developers and end-user should not need this command, as roster
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122 versioning is supposed to work fine and the roster should be synchronised correctly on
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123 startup. But if for any reason you suspect that your current roster list is corrupted, you
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124 may use it to be sure that a full resynchronisation is done.
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125
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126 .. _roster versioning: https://tools.ietf.org/html/rfc6121#section-2.6
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127
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128 exemple
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129 -------
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130
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131 Do a full resynchronisation of default profile's roster::
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132
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133 $ jp roster resync