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Re: [libvirt] [PATCHv2 10/13] Support multiple IP addresses on one network in bridge_driver.c



On 12/23/2010 12:26 PM, Eric Blake wrote:
On 12/22/2010 11:58 AM, Laine Stump wrote:
This patch reorganizes the code in bridge_driver.c to account for the
concept of a single network with multiple IP addresses, without adding
in the extra variable of IPv6. A small bit of code has been
temporarily added that checks all given addresses to verify they are
IPv4 - this will be removed when full IPv6 support is turned on.
@@ -747,23 +792,56 @@ networkAddRoutingIptablesRules(struct network_driver *driver,

      return 0;

-
- routeerr2:
+routeerr2:
Interesting mix of formatting changes as well as refactoring, but not
enough of an issue to insist on splitting this into two patches.

Many of those are due to ctl-X ctl-Q in emacs after doing a block copy. Most of these functions I approached by rewriting them "from scratch", using chunks of the existing functions as a model, in some cases copying them, and in other cases rewriting from scratch.

+static int
+networkAddIpSpecificIptablesRules(struct network_driver *driver,
+                                  virNetworkObjPtr network,
+                                  virNetworkIpDefPtr ipdef)
+{
+    if (network->def->forwardType == VIR_NETWORK_FORWARD_NAT&&
+        networkAddMasqueradingIptablesRules(driver, network, ipdef)<  0)
+        return -1;
+    else if (network->def->forwardType == VIR_NETWORK_FORWARD_ROUTE&&
Technically, the else is not necessary since the previous condition
returns.  But it doesn't bother me to keep it in place.

I'll remove it anyway (of course it's going to change in a subsequent patch ;-)

ACK.



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