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iwd
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netconfig: Store rtm_protocol value directly 

Instead of using a flag ipv4_static, just store the value of the rtm
protocol directly inside netconfig object.  This allows us to simplify
the logic quite significantly and avoid repeating the conditional
expression needlessly
This commit is contained in:
Denis Kenzior 2019-07-31 04:38:54 -05:00
parent 2eded67c62
commit 1fd0dbb74b
1 changed files with 20 additions and 33 deletions
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53
src/netconfig.c
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@ -46,7 +46,7 @@ struct netconfig {
enum station_state station_state;
struct l_dhcp_client *dhcp_client;
struct l_queue *ifaddr_list;
bool ipv4_is_static:1;
uint8_t rtm_protocol;
};
struct netconfig_ifaddr {
@ -153,8 +153,6 @@ static struct netconfig_ifaddr *netconfig_ipv4_get_ifaddr(
if (!ip)
return NULL;
netconfig->ipv4_is_static = true;
ifaddr = l_new(struct netconfig_ifaddr, 1);
ifaddr->ip = ip;
@ -204,13 +202,12 @@ static struct netconfig_ifaddr *netconfig_ipv4_get_ifaddr(
return NULL;
}
static char *netconfig_ipv4_get_gateway(struct netconfig *netconfig,
uint8_t proto)
static char *netconfig_ipv4_get_gateway(struct netconfig *netconfig)
{
const struct l_dhcp_lease *lease;
const struct l_settings *settings;
switch (proto) {
switch (netconfig->rtm_protocol) {
case RTPROT_STATIC:
settings = netconfig_get_connected_network_settings(netconfig);
if (!settings)
@ -387,7 +384,6 @@ static bool netconfig_ipv4_routes_install(struct netconfig *netconfig,
L_AUTO_FREE_VAR(char *, gateway) = NULL;
struct in_addr in_addr;
char *network;
uint8_t proto;
if (inet_pton(AF_INET, ifaddr->ip, &in_addr) < 1)
return false;
@ -399,11 +395,10 @@ static bool netconfig_ipv4_routes_install(struct netconfig *netconfig,
if (!network)
return false;
proto = netconfig->ipv4_is_static ? RTPROT_STATIC : RTPROT_DHCP;
if (!rtnl_route_ipv4_add_connected(rtnl, netconfig->ifindex,
ifaddr->prefix_len, network,
ifaddr->ip, proto,
ifaddr->ip,
netconfig->rtm_protocol,
netconfig_route_cmd_cb,
NULL, NULL)) {
l_error("netconfig: Failed to add subnet route.");
@ -411,11 +406,11 @@ static bool netconfig_ipv4_routes_install(struct netconfig *netconfig,
return false;
}
gateway = netconfig_ipv4_get_gateway(netconfig, proto);
gateway = netconfig_ipv4_get_gateway(netconfig);
if (!gateway) {
l_error("netconfig: Failed to obtain gateway from %s.",
netconfig->ipv4_is_static ?
"setting file" : "DHCPv4 lease");
netconfig->rtm_protocol == RTPROT_STATIC ?
"setting file" : "DHCPv4 lease");
return false;
}
@ -423,7 +418,8 @@ static bool netconfig_ipv4_routes_install(struct netconfig *netconfig,
if (!rtnl_route_ipv4_add_gateway(rtnl, netconfig->ifindex, gateway,
ifaddr->ip,
ROUTE_PRIORITY_OFFSET,
proto, netconfig_route_cmd_cb,
netconfig->rtm_protocol,
netconfig_route_cmd_cb,
NULL, NULL)) {
l_error("netconfig: Failed to add route for: %s gateway.",
gateway);
@ -448,13 +444,11 @@ static void netconfig_ipv4_ifaddr_add_cmd_cb(int error, uint16_t type,
return;
}
ifaddr = netconfig_ipv4_get_ifaddr(netconfig,
netconfig->ipv4_is_static ?
RTPROT_STATIC : RTPROT_DHCP);
ifaddr = netconfig_ipv4_get_ifaddr(netconfig, netconfig->rtm_protocol);
if (!ifaddr) {
l_error("netconfig: Failed to obtain IP address from %s.",
netconfig->ipv4_is_static ?
"setting file" : "DHCPv4 lease");
netconfig->rtm_protocol == RTPROT_STATIC ?
"setting file" : "DHCPv4 lease");
return;
}
@ -464,12 +458,11 @@ static void netconfig_ipv4_ifaddr_add_cmd_cb(int error, uint16_t type,
goto done;
}
dns = netconfig_ipv4_get_dns(netconfig, netconfig->ipv4_is_static ?
RTPROT_STATIC : RTPROT_DHCP);
dns = netconfig_ipv4_get_dns(netconfig, netconfig->rtm_protocol);
if (!dns) {
l_error("netconfig: Failed to obtain DNS addresses from %s.",
netconfig->ipv4_is_static ?
"setting file" : "DHCPv4 lease");
netconfig->rtm_protocol == RTPROT_STATIC ?
"setting file" : "DHCPv4 lease");
goto done;
}
@ -639,12 +632,15 @@ static void netconfig_ipv4_select_and_install(struct netconfig *netconfig)
ifaddr = netconfig_ipv4_get_ifaddr(netconfig, RTPROT_STATIC);
if (ifaddr) {
netconfig->rtm_protocol = RTPROT_STATIC;
netconfig_install_address(netconfig, ifaddr);
netconfig_ifaddr_destroy(ifaddr);
return;
}
netconfig->rtm_protocol = RTPROT_DHCP;
if (netconfig->station_state == STATION_STATE_ROAMING) {
/*
* TODO l_dhcp_client to try to request a
@ -665,21 +661,12 @@ static void netconfig_ipv4_select_and_uninstall(struct netconfig *netconfig)
{
struct netconfig_ifaddr *ifaddr;
ifaddr = netconfig_ipv4_get_ifaddr(netconfig, RTPROT_STATIC);
ifaddr = netconfig_ipv4_get_ifaddr(netconfig, netconfig->rtm_protocol);
if (ifaddr) {
netconfig_uninstall_address(netconfig, ifaddr);
netconfig_ifaddr_destroy(ifaddr);
return;
}
ifaddr = netconfig_ipv4_get_ifaddr(netconfig, RTPROT_DHCP);
if (!ifaddr)
return;
netconfig_uninstall_address(netconfig, ifaddr);
netconfig_ifaddr_destroy(ifaddr);
l_dhcp_client_stop(netconfig->dhcp_client);
}