#17204: connection failure is not falling back to alternate IP addresses

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#17204: connection failure is not falling back to alternate IP addresses

Pidgin
#17204: connection failure is not falling back to alternate IP addresses
-----------------------------+-----------------------
 Reporter:  brian_j_murrell  |      Owner:
     Type:  defect           |     Status:  new
Milestone:  2.12.1           |  Component:  libpurple
  Version:  2.12.0           |   Keywords:
-----------------------------+-----------------------
 It would seem, from where I am at least (through two providers even) that
 graph.facebook.com's ipv6 address (2a03:2880:f011:1:face:b00c:0:1) is down
 and that is causing the facebook plugin (https://github.com/dequis/purple-
 facebook/) to fail to connect:

 {{{
 (07:01:28) account: Connecting to account [redacted].
 (07:01:28) connection: Connecting. gc = 0x555558167530
 (07:01:28) http: Performing new request 0x5555597c9a50 to
 graph.facebook.com.
 (07:01:28) dnsquery: Performing DNS lookup for graph.facebook.com
 (07:01:28) dns: Wait for DNS child 24490 failed: No child processes
 (07:01:28) dns: Created new DNS child 24663, there are now 1 children.
 (07:01:28) dns: Successfully sent DNS request to child 24663
 (07:01:28) dns: Got response for 'graph.facebook.com'
 (07:01:28) dnsquery: IP resolved for graph.facebook.com
 (07:01:28) proxy: Attempting connection to 2a03:2880:f011:1:face:b00c:0:1
 (07:01:28) proxy: Connecting to graph.facebook.com:443 with no proxy
 (07:01:28) proxy: Connection in progress
 (07:01:32) account: Connecting to account [redacted].
 (07:01:33) util: Writing file accounts.xml to directory
 /home/brian/.purple
 (07:01:33) util: Writing file /home/brian/.purple/accounts.xml
 (07:01:38) prefs: /pidgin/debug/filter changed, scheduling save.
 (07:01:40) prefs: /pidgin/debug/filter changed, scheduling save.

 }}}

 But graph.facebook.com has an ipv4 address also:

 {{{
 $ host graph.facebook.com
 graph.facebook.com is an alias for api.facebook.com.
 api.facebook.com is an alias for star.c10r.facebook.com.
 star.c10r.facebook.com has address 157.240.3.19
 star.c10r.facebook.com has IPv6 address 2a03:2880:f001:6:face:b00c:0:2
 star.c10r.facebook.com mail is handled by 10 msgin.vvv.facebook.com.
 }}}

 Yet, while looking at the Pidgin log or even using tcpdump I don't see
 anything that indicates that the plugin is falling back to the ipv4 that
 is returned in the query for graph.facebook.com when the ipv6 address
 fails (or put more generically that it's trying alternate addresses when
 the first address that it tries to connect to fails).

--
Ticket URL: <https://developer.pidgin.im/ticket/17204>
Pidgin <https://pidgin.im>
Pidgin
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Re: #17204: connection failure is not falling back to alternate IP addresses

Pidgin
#17204: connection failure is not falling back to alternate IP addresses
-----------------------------+------------------------
 Reporter:  brian_j_murrell  |       Owner:
     Type:  defect           |      Status:  new
Milestone:                   |   Component:  libpurple
  Version:  2.12.0           |  Resolution:
 Keywords:                   |
-----------------------------+------------------------
Changes (by Robby):

 * milestone:  2.12.1 =>


--
Ticket URL: <https://developer.pidgin.im/ticket/17204#comment:1>
Pidgin <https://pidgin.im>
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