assert(link);
assert(link->state == LINK_STATE_SETTING_ROUTES);
- log_info("Link '%s' configured", link->ifname);
+ log_info("%s: link configured", link->ifname);
link->state = LINK_STATE_CONFIGURED;
static void link_enter_failed(Link *link) {
assert(link);
+ log_warning("%s: failed", link->ifname);
+
link->state = LINK_STATE_FAILED;
}
r = sd_rtnl_message_get_errno(m);
if (r < 0 && r != -EEXIST)
- log_warning("Could not set route on interface '%s': %s",
+ log_warning("%s: could not set route: %s",
link->ifname, strerror(-r));
/* we might have received an old reply after moving back to SETTING_ADDRESSES,
* ignore it */
if (link->route_messages == 0 && link->state == LINK_STATE_SETTING_ROUTES) {
- log_info("Routes set for link '%s'", link->ifname);
+ log_debug("%s: routes set", link->ifname);
link_enter_configured(link);
}
if (!link->network->static_routes && !link->dhcp_route)
return link_enter_configured(link);
+ log_debug("%s: setting routes", link->ifname);
+
LIST_FOREACH(static_routes, route, link->network->static_routes) {
r = route_configure(route, link, &route_handler);
if (r < 0) {
- log_warning("Could not set routes for link '%s'", link->ifname);
+ log_warning("%s: could not set routes", link->ifname);
link_enter_failed(link);
return r;
}
if (link->dhcp_route) {
r = route_configure(link->dhcp_route, link, &route_handler);
if (r < 0) {
- log_warning("Could not set routes for link '%s'", link->ifname);
+ log_warning("%s: could not set routes", link->ifname);
link_enter_failed(link);
return r;
}
r = sd_rtnl_message_get_errno(m);
if (r < 0 && r != -EEXIST)
- log_warning("Could not set address on interface '%s': %s",
+ log_warning("%s: could not set address: %s",
link->ifname, strerror(-r));
if (link->addr_messages == 0) {
- log_info("Addresses set for link '%s'", link->ifname);
+ log_debug("%s: addresses set", link->ifname);
link_enter_set_routes(link);
}
if (!link->network->static_addresses && !link->dhcp_address)
return link_enter_set_routes(link);
+ log_debug("%s: setting addresses", link->ifname);
+
LIST_FOREACH(static_addresses, address, link->network->static_addresses) {
r = address_configure(address, link, &address_handler);
if (r < 0) {
- log_warning("Could not set addresses for link '%s'", link->ifname);
+ log_warning("%s: could not set addresses", link->ifname);
link_enter_failed(link);
return r;
}
if (link->dhcp_address) {
r = address_configure(link->dhcp_address, link, &address_handler);
if (r < 0) {
- log_warning("Could not set addresses for link '%s'", link->ifname);
+ log_warning("%s: could not set addresses", link->ifname);
link_enter_failed(link);
return r;
}
return 0;
}
-static int link_up_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
- Link *link = userdata;
- int r;
-
- r = sd_rtnl_message_get_errno(m);
- if (r < 0) {
- log_warning("Could not bring up interface '%s': %s",
- link->ifname, strerror(-r));
- link_enter_failed(link);
- }
-
- return 1;
-}
-
-static int link_up(Link *link) {
- _cleanup_sd_rtnl_message_unref_ sd_rtnl_message *req = NULL;
- int r;
-
- assert(link);
- assert(link->manager);
- assert(link->manager->rtnl);
-
- r = sd_rtnl_message_link_new(RTM_SETLINK, link->ifindex, &req);
- if (r < 0) {
- log_error("Could not allocate RTM_SETLINK message");
- return r;
- }
-
- r = sd_rtnl_message_link_set_flags(req, IFF_UP);
- if (r < 0) {
- log_error("Could not set link flags");
- return r;
- }
-
- r = sd_rtnl_call_async(link->manager->rtnl, req, link_up_handler, link, 0, NULL);
- if (r < 0) {
- log_error("Could not send rtnetlink message: %s", strerror(-r));
- return r;
- }
-
- return 0;
-}
-
-static int link_bridge_joined(Link *link) {
- int r;
-
- assert(link);
- assert(link->state == LINK_STATE_JOINING_BRIDGE);
- assert(link->network);
-
- r = link_up(link);
- if (r < 0) {
- link_enter_failed(link);
- return r;
- }
-
- if (!link->network->dhcp) {
- r = link_enter_set_addresses(link);
- if (r < 0)
- link_enter_failed(link);
- return r;
- }
-
- return 0;
-}
-
-static int bridge_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
- Link *link = userdata;
- int r;
-
- assert(link->state == LINK_STATE_JOINING_BRIDGE || link->state == LINK_STATE_FAILED);
- assert(link->network);
-
- if (link->state == LINK_STATE_FAILED)
- return 1;
-
- r = sd_rtnl_message_get_errno(m);
- if (r < 0) {
- log_warning("Could not join interface '%s' to bridge '%s': %s",
- link->ifname, link->network->bridge->name, strerror(-r));
- link_enter_failed(link);
- return 1;
- } else
- log_info("Join interface '%s' to bridge: %s",
- link->ifname, link->network->bridge->name);
-
- link_bridge_joined(link);
-
- return 1;
-}
-
-static int link_enter_join_bridge(Link *link) {
- int r;
-
- assert(link);
- assert(link->network);
- assert(link->state == _LINK_STATE_INVALID);
-
- link->state = LINK_STATE_JOINING_BRIDGE;
-
- if (!link->network->bridge)
- return link_bridge_joined(link);
-
- r = bridge_join(link->network->bridge, link, &bridge_handler);
- if (r < 0) {
- log_warning("Could not join link '%s' to bridge '%s'", link->ifname,
- link->network->bridge->name);
- link_enter_failed(link);
- return r;
- }
-
- return 0;
-}
-
-static int link_get_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
- Link *link = userdata;
- int r;
-
- r = sd_rtnl_message_get_errno(m);
- if (r < 0) {
- log_warning("Could not get state of interface '%s': %s",
- link->ifname, strerror(-r));
- link_enter_failed(link);
- }
-
- return 1;
-}
-
-static int link_get(Link *link) {
- _cleanup_sd_rtnl_message_unref_ sd_rtnl_message *req = NULL;
- int r;
-
- assert(link);
- assert(link->manager);
- assert(link->manager->rtnl);
-
- r = sd_rtnl_message_link_new(RTM_GETLINK, link->ifindex, &req);
- if (r < 0) {
- log_error("Could not allocate RTM_GETLINK message");
- return r;
- }
-
- r = sd_rtnl_call_async(link->manager->rtnl, req, link_get_handler, link, 0, NULL);
- if (r < 0) {
- log_error("Could not send rtnetlink message: %s", strerror(-r));
- return r;
- }
-
- return 0;
-}
-
-int link_configure(Link *link) {
- int r;
-
- assert(link);
- assert(link->network);
- assert(link->state == _LINK_STATE_INVALID);
-
- r = link_get(link);
- if (r < 0) {
- link_enter_failed(link);
- return r;
- }
-
- r = link_enter_join_bridge(link);
- if (r < 0)
- return r;
-
- return 0;
-}
-
static int address_drop_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
Link *link = userdata;
int r;
r = sd_rtnl_message_get_errno(m);
if (r < 0 && r != -EEXIST)
- log_warning("Could not drop address from interface '%s': %s",
+ log_warning("%s: could not drop address: %s",
link->ifname, strerror(-r));
return 1;
int prefixlen;
int r;
+ assert(link);
+
if (link->state == LINK_STATE_FAILED)
return;
if (event < 0) {
- log_warning("DHCP error: %s", strerror(-event));
+ log_warning("%s: DHCP error: %s", link->ifname, strerror(-event));
link_enter_failed(link);
return;
}
if (event == DHCP_EVENT_NO_LEASE)
- log_info("IP address in use.");
+ log_debug("%s: IP address in use.", link->ifname);
if (event == DHCP_EVENT_IP_CHANGE || event == DHCP_EVENT_EXPIRED ||
event == DHCP_EVENT_STOP) {
- address_drop(link->dhcp_address, link, address_drop_handler);
+ if (link->dhcp_address) {
+ address_drop(link->dhcp_address, link, address_drop_handler);
- address_free(link->dhcp_address);
- link->dhcp_address = NULL;
+ address_free(link->dhcp_address);
+ link->dhcp_address = NULL;
+ }
- route_free(link->dhcp_route);
- link->dhcp_route = NULL;
+ if (link->dhcp_route) {
+ route_free(link->dhcp_route);
+ link->dhcp_route = NULL;
+ }
}
r = sd_dhcp_client_get_address(client, &address);
if (r < 0) {
- log_warning("DHCP error: no address");
+ log_warning("%s: DHCP error: no address", link->ifname);
link_enter_failed(link);
return;
}
r = sd_dhcp_client_get_netmask(client, &netmask);
if (r < 0) {
- log_warning("DHCP error: no netmask");
+ log_warning("%s: DHCP error: no netmask", link->ifname);
link_enter_failed(link);
return;
}
prefixlen = sd_dhcp_client_prefixlen(&netmask);
if (prefixlen < 0) {
- log_warning("DHCP error: no prefixlen");
+ log_warning("%s: DHCP error: no prefixlen", link->ifname);
link_enter_failed(link);
return;
}
r = sd_dhcp_client_get_router(client, &gateway);
if (r < 0) {
- log_warning("DHCP error: no router");
+ log_warning("%s: DHCP error: no router", link->ifname);
link_enter_failed(link);
return;
}
_cleanup_address_free_ Address *addr = NULL;
_cleanup_route_free_ Route *rt = NULL;
- log_info("Received config over DHCPv4");
+ log_info("%s: received config over DHCPv4", link->ifname);
r = address_new_dynamic(&addr);
if (r < 0) {
return 0;
}
-int link_update(Link *link, sd_rtnl_message *m) {
- unsigned flags;
+static int link_update_flags(Link *link, unsigned flags) {
int r;
assert(link);
- assert(m);
+ assert(link->network);
- r = sd_rtnl_message_link_get_flags(m, &flags);
- if (r < 0) {
- log_warning("Could not get link flags of '%s'", link->ifname);
- return r;
- }
+ if (link->state == LINK_STATE_FAILED)
+ return 0;
if (link->flags & IFF_UP && !(flags & IFF_UP))
- log_info("Interface '%s' is down", link->ifname);
+ log_info("%s: interface is down", link->ifname);
else if (!(link->flags & IFF_UP) && flags & IFF_UP)
- log_info("Interface '%s' is up", link->ifname);
+ log_info("%s: interface is up", link->ifname);
if (link->flags & IFF_LOWER_UP && !(flags & IFF_LOWER_UP)) {
- log_info("Interface '%s' is disconnected", link->ifname);
+ log_info("%s: disconnected", link->ifname);
if (link->network->dhcp) {
r = sd_dhcp_client_stop(link->dhcp);
}
}
} else if (!(link->flags & IFF_LOWER_UP) && flags & IFF_LOWER_UP) {
- log_info("Interface '%s' is connected", link->ifname);
+ log_info("%s: connected", link->ifname);
if (link->network->dhcp) {
r = link_acquire_conf(link);
return 0;
}
+
+static int link_up_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
+ Link *link = userdata;
+ int r;
+
+ assert(link);
+
+ if (link->state == LINK_STATE_FAILED)
+ return 1;
+
+ r = sd_rtnl_message_get_errno(m);
+ if (r < 0) {
+ log_warning("%s: could not bring up interface: %s",
+ link->ifname, strerror(-r));
+ link_enter_failed(link);
+ }
+
+ link_update_flags(link, link->flags | IFF_UP);
+
+ return 1;
+}
+
+static int link_up(Link *link) {
+ _cleanup_sd_rtnl_message_unref_ sd_rtnl_message *req = NULL;
+ int r;
+
+ assert(link);
+ assert(link->manager);
+ assert(link->manager->rtnl);
+
+ log_debug("%s: bringing up link", link->ifname);
+
+ r = sd_rtnl_message_link_new(RTM_SETLINK, link->ifindex, &req);
+ if (r < 0) {
+ log_error("Could not allocate RTM_SETLINK message");
+ return r;
+ }
+
+ r = sd_rtnl_message_link_set_flags(req, IFF_UP);
+ if (r < 0) {
+ log_error("Could not set link flags");
+ return r;
+ }
+
+ r = sd_rtnl_call_async(link->manager->rtnl, req, link_up_handler, link, 0, NULL);
+ if (r < 0) {
+ log_error("Could not send rtnetlink message: %s", strerror(-r));
+ return r;
+ }
+
+ return 0;
+}
+
+static int link_bridge_joined(Link *link) {
+ int r;
+
+ assert(link);
+ assert(link->state == LINK_STATE_JOINING_BRIDGE);
+ assert(link->network);
+
+ r = link_up(link);
+ if (r < 0) {
+ link_enter_failed(link);
+ return r;
+ }
+
+ if (!link->network->dhcp)
+ return link_enter_set_addresses(link);
+
+ return 0;
+}
+
+static int bridge_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
+ Link *link = userdata;
+ int r;
+
+ assert(link);
+ assert(link->state == LINK_STATE_JOINING_BRIDGE || link->state == LINK_STATE_FAILED);
+ assert(link->network);
+
+ if (link->state == LINK_STATE_FAILED)
+ return 1;
+
+ r = sd_rtnl_message_get_errno(m);
+ if (r < 0) {
+ log_warning("%s: could not join bridge '%s': %s",
+ link->ifname, link->network->bridge->name, strerror(-r));
+ link_enter_failed(link);
+ return 1;
+ } else
+ log_debug("%s: joined bridge '%s'",
+ link->ifname, link->network->bridge->name);
+
+ link_bridge_joined(link);
+
+ return 1;
+}
+
+static int link_enter_join_bridge(Link *link) {
+ int r;
+
+ assert(link);
+ assert(link->network);
+ assert(link->state == _LINK_STATE_INVALID);
+
+ link->state = LINK_STATE_JOINING_BRIDGE;
+
+ if (!link->network->bridge)
+ return link_bridge_joined(link);
+
+ log_debug("%s: joining bridge", link->ifname);
+
+ r = bridge_join(link->network->bridge, link, &bridge_handler);
+ if (r < 0) {
+ log_warning("%s: could not join bridge '%s'", link->ifname,
+ link->network->bridge->name);
+ link_enter_failed(link);
+ return r;
+ }
+
+ return 0;
+}
+
+static int link_get_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
+ Link *link = userdata;
+ int r;
+
+ assert(link);
+
+ if (link->state == LINK_STATE_FAILED)
+ return 1;
+
+ r = sd_rtnl_message_get_errno(m);
+ if (r < 0) {
+ log_warning("%s: could not get state: %s",
+ link->ifname, strerror(-r));
+ link_enter_failed(link);
+ }
+
+ log_debug("%s: got link state", link->ifname);
+
+ link_update(link, m);
+
+ return 1;
+}
+
+static int link_get(Link *link) {
+ _cleanup_sd_rtnl_message_unref_ sd_rtnl_message *req = NULL;
+ int r;
+
+ assert(link);
+ assert(link->manager);
+ assert(link->manager->rtnl);
+
+ log_debug("%s: requesting link status", link->ifname);
+
+ r = sd_rtnl_message_link_new(RTM_GETLINK, link->ifindex, &req);
+ if (r < 0) {
+ log_error("Could not allocate RTM_GETLINK message");
+ return r;
+ }
+
+ r = sd_rtnl_call_async(link->manager->rtnl, req, link_get_handler, link, 0, NULL);
+ if (r < 0) {
+ log_error("Could not send rtnetlink message: %s", strerror(-r));
+ return r;
+ }
+
+ return 0;
+}
+
+int link_configure(Link *link) {
+ int r;
+
+ assert(link);
+ assert(link->network);
+ assert(link->state == _LINK_STATE_INVALID);
+
+ r = link_get(link);
+ if (r < 0) {
+ link_enter_failed(link);
+ return r;
+ }
+
+ return link_enter_join_bridge(link);
+}
+
+int link_update(Link *link, sd_rtnl_message *m) {
+ unsigned flags;
+ int r;
+
+ assert(link);
+ assert(m);
+
+ if (link->state == LINK_STATE_FAILED)
+ return 0;
+
+ r = sd_rtnl_message_link_get_flags(m, &flags);
+ if (r < 0) {
+ log_warning("%s: could not get link flags", link->ifname);
+ return r;
+ }
+
+ return link_update_flags(link, flags);
+}
~ianmdlvl / elogind.git / blobdiff