[Telepathy-commits] [telepathy-spec/master] Add case "One channel (of many) is closed while in Dispatcher"
Alberto Mardegan
alberto.mardegan at nokia.com
Tue Nov 11 03:53:58 PST 2008
Add the case of a channel, part of a bundle, being closed while the dispatcher
is handling the bundle to the clients.
---
doc/dispatch.txt | 25 +++++++++++++++++++++++++
1 files changed, 25 insertions(+), 0 deletions(-)
diff --git a/doc/dispatch.txt b/doc/dispatch.txt
index 5171f77..b580015 100644
--- a/doc/dispatch.txt
+++ b/doc/dispatch.txt
@@ -965,5 +965,30 @@ More specifically:
* now the CD can dispatch every unhandled channel (the set *E* \ *H*) as if
newly created
+_`dis33`: One channel (of many) is closed while in Dispatcher
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+The NewChannels signal carries 2 or more channels. One or more of these
+channels, but not all of them, emit Closed before the CD has a chance to invoke
+some or all of the Clients.
+
+Current implementation: Nokia's Mission Control 4 supports dispatching of only
+one channel at a time, and if that channel is closed, the operation is aborted
+(i.e., clients don't even see the channel).
+
+Proposed implementation: the CD behaves as if nothing happened, and happily
+dispatches the channels (including the dead ones) to the clients.
+
+Problems addressed:
+
+* in case the channels are the result of a ChannelRequest, the request can
+ still be listed among the "Satisfied_Request" argument of the HandleChannels.
+ This means that the client can map the channels to the request it made, it
+ can see the properties of all the channels that were created (they are passed
+ in HandleChannels' arguments) and in any case it will have to cope with the
+ fact that a channel is no longer there.
+
+* ChannelDispatcher code is simpler.
+
..
vim:set sw=4 sts=4 et:
--
1.5.6.5
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