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Reapplying the dscp changes: No need to restart DB/OVS on changing dscp value.

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This patch reapplies the changes that were reverted with the commit 59efa47
(Revert DSCP update changes.). It also addresses the problem introduced by
the original commits, cd8fca2 ((jsonrpc: Correctly setting the dscp value
before reconnect.) and b2e18d (No need to restart DB / OVS on changing
dscp value.), that caused numerous unit test failures on some systems (as
diagnosed by valgrind).
With this change there is no need to restart the DB or OVS on configuring a
different value for the manager or controller connection respectively. On
detecting a change in the dscp value on the socket, the previous socket is
closed and a new socket is created and connection is established with the new
configured dscp value.

Signed-off-by: Mehak Mahajan <mmahajan@nicira.com>
This commit is contained in:
Mehak Mahajan
2012-06-21 12:22:42 -07:00
parent bed69b3e61
commit 0442efd9b1
5 changed files with 24 additions and 9 deletions
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6
lib/jsonrpc.c
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@@ -793,6 +793,7 @@ jsonrpc_session_open_unreliably(struct jsonrpc *jsonrpc)
reconnect_set_name(s->reconnect, jsonrpc_get_name(jsonrpc));
reconnect_set_max_tries(s->reconnect, 0);
reconnect_connected(s->reconnect, time_msec());
s->dscp = 0;
s->rpc = jsonrpc;
s->stream = NULL;
s->pstream = NULL;
@@ -1058,5 +1059,8 @@ void
jsonrpc_session_set_dscp(struct jsonrpc_session *s,
uint8_t dscp)
{
s->dscp = dscp;
if (s->dscp != dscp) {
s->dscp = dscp;
jsonrpc_session_force_reconnect(s);
}
}