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netconfig: Refactor station state changed event logic

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iwd reconfigures the wireless interfaces with respective
connection events. Each supported network protocol is
reconfigured. The address for each protocol is
selected as static or dynamic based on availability.
This commit is contained in:
Tim Kourt 2019-07-30 18:16:06 -07:00 committed by Denis Kenzior
parent dd188bf97a
commit a4a7f88ace
1 changed files with 54 additions and 28 deletions
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82
src/netconfig.c
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@ -572,48 +572,74 @@ static bool netconfig_ipv4_static_addressing(struct netconfig *netconfig,
return true;
}
static void netconfig_ipv4_select_and_install(struct netconfig *netconfig)
{
struct netconfig_ifaddr *ifaddr;
ifaddr = netconfig_ipv4_get_ifaddr(netconfig, RTPROT_STATIC);
if (ifaddr) {
/* TODO Install address */
netconfig_ifaddr_destroy(ifaddr);
return;
}
if (netconfig->station_state == STATION_STATE_ROAMING) {
/*
* TODO l_dhcp_client to try to request a
* previously used address.
*
* return;
*/
}
if (l_dhcp_client_start(netconfig->dhcp_client))
return;
l_error("netconfig: Failed to start DHCPv4 client for interface %u",
netconfig->ifindex);
}
static void netconfig_ipv4_select_and_uninstall(struct netconfig *netconfig)
{
struct netconfig_ifaddr *ifaddr;
ifaddr = netconfig_ipv4_get_ifaddr(netconfig, RTPROT_STATIC);
if (ifaddr) {
/* TODO Uninstall address */
netconfig_ifaddr_destroy(ifaddr);
return;
}
ifaddr = netconfig_ipv4_get_ifaddr(netconfig, RTPROT_DHCP);
if (!ifaddr)
return;
/* TODO Uninstall address */
netconfig_ifaddr_destroy(ifaddr);
l_dhcp_client_stop(netconfig->dhcp_client);
}
static void netconfig_station_state_changed(enum station_state state,
void *userdata)
{
struct netconfig *netconfig = userdata;
struct station *station;
l_debug("");
station = station_find(netconfig->ifindex);
if (!station)
return;
switch (state) {
case STATION_STATE_CONNECTED:
if (netconfig_ipv4_static_addressing(netconfig, station,
NETCONFIG_ACTION_INSTALL))
break;
netconfig_ipv4_select_and_install(netconfig);
if (netconfig->station_state == STATION_STATE_ROAMING) {
/*
* TODO l_dhcp_client to try to request a previously
* used address.
*
* break;
*/
}
if (!l_dhcp_client_start(netconfig->dhcp_client))
l_error("netconfig: Failed to start DHCPv4 client for "
"interface %u", netconfig->ifindex);
/* TODO: IPv6 addressing */
break;
case STATION_STATE_DISCONNECTED:
if (netconfig_ipv4_static_addressing(netconfig, station,
NETCONFIG_ACTION_UNINSTALL))
break;
netconfig_ipv4_select_and_uninstall(netconfig);
netconfig_ipv4_dhcp_addressing(netconfig,
netconfig->dhcp_client,
NETCONFIG_ACTION_UNINSTALL);
l_dhcp_client_stop(netconfig->dhcp_client);
/* TODO: IPv6 addressing */
break;
case STATION_STATE_ROAMING: