extern/smegmesh
1
0
Fork 1
mirror of https://github.com/tim-beatham/smegmesh.git synced 2025-08-13 15:07:12 +02:00
Code Issues Packages Projects Releases Wiki Activity

32-fix-routing

Browse Source 
Flooding routes into other meshes a bit like BGP.
This commit is contained in:
Tim Beatham
2023-11-25 03:15:58 +00:00
parent 4030d17b41
commit aef8b59f22
16 changed files with 255 additions and 155 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
pkg/lib/rtnetlink.go
View File

@ -201,7 +201,7 @@ func (c *RtNetlinkConfig) DeleteRoute(ifName string, route Route) error {
})
if err != nil {
return fmt.Errorf("failed to delete route %w", err)
return fmt.Errorf("failed to delete route %s", dst.IP.String())
}
return nil
@ -219,22 +219,15 @@ func (r1 Route) equal(r2 Route) bool {
// DeleteRoutes deletes all routes not in exclude
func (c *RtNetlinkConfig) DeleteRoutes(ifName string, family uint8, exclude ...Route) error {
routes := make([]rtnetlink.RouteMessage, 0)
routes, err := c.listRoutes(ifName, family)
if len(exclude) != 0 {
lRoutes, err := c.listRoutes(ifName, family, exclude[0].Gateway)
if err != nil {
return err
}
routes = lRoutes
if err != nil {
return err
}
ifRoutes := make([]Route, 0)
for _, rtRoute := range routes {
logging.Log.WriteInfof("Routes: %s", rtRoute.Attributes.Dst.String())
maskSize := 128
if family == unix.AF_INET {
@ -262,7 +255,7 @@ func (c *RtNetlinkConfig) DeleteRoutes(ifName string, family uint8, exclude ...R
toDelete := Filter(ifRoutes, shouldExclude)
for _, route := range toDelete {
logging.Log.WriteInfof("Deleting route %s", route.Destination.String())
logging.Log.WriteInfof("Deleting route: %s", route.Gateway.String())
err := c.DeleteRoute(ifName, route)
if err != nil {
@ -274,7 +267,7 @@ func (c *RtNetlinkConfig) DeleteRoutes(ifName string, family uint8, exclude ...R
}
// listRoutes lists all routes on the interface
func (c *RtNetlinkConfig) listRoutes(ifName string, family uint8, gateway net.IP) ([]rtnetlink.RouteMessage, error) {
func (c *RtNetlinkConfig) listRoutes(ifName string, family uint8) ([]rtnetlink.RouteMessage, error) {
iface, err := net.InterfaceByName(ifName)
if err != nil {
@ -288,7 +281,7 @@ func (c *RtNetlinkConfig) listRoutes(ifName string, family uint8, gateway net.IP
}
filterFunc := func(r rtnetlink.RouteMessage) bool {
return r.Attributes.Gateway.Equal(gateway) && r.Attributes.OutIface == uint32(iface.Index)
return r.Attributes.Gateway != nil && r.Attributes.OutIface == uint32(iface.Index)
}
routes = Filter(routes, filterFunc)