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authorTom Gundersen <teg@jklm.no>2015-09-22 17:18:20 +0200
committerTom Gundersen <teg@jklm.no>2015-10-11 15:04:16 +0200
commit200a0868fcdf7b95f3d8d1fda3aa2aef48d84fdd (patch)
tree06e19487bbffe71bf535e2721e2ab91a257a83ba /src/network
parent957325b7637a4d3a16a3cea5e2c6b36faa0e1be7 (diff)
networkd: address - process in manager.c rather than link.c
Diffstat (limited to 'src/network')
-rw-r--r--src/network/networkd-dhcp4.c2
-rw-r--r--src/network/networkd-dhcp6.c2
-rw-r--r--src/network/networkd-ipv4ll.c2
-rw-r--r--src/network/networkd-link.c164
-rw-r--r--src/network/networkd-link.h3
-rw-r--r--src/network/networkd-manager.c166
-rw-r--r--src/network/networkd.h2
7 files changed, 172 insertions, 169 deletions
diff --git a/src/network/networkd-dhcp4.c b/src/network/networkd-dhcp4.c
index 2a0900d5b1..0b7c016280 100644
--- a/src/network/networkd-dhcp4.c
+++ b/src/network/networkd-dhcp4.c
@@ -267,7 +267,7 @@ static int dhcp4_address_handler(sd_netlink *rtnl, sd_netlink_message *m,
log_link_error_errno(link, r, "Could not set DHCPv4 address: %m");
link_enter_failed(link);
} else if (r >= 0)
- link_rtnl_process_address(rtnl, m, link->manager);
+ manager_rtnl_process_address(rtnl, m, link->manager);
link_set_dhcp_routes(link);
diff --git a/src/network/networkd-dhcp6.c b/src/network/networkd-dhcp6.c
index a58af06198..2f9ecf7a89 100644
--- a/src/network/networkd-dhcp6.c
+++ b/src/network/networkd-dhcp6.c
@@ -58,7 +58,7 @@ static int dhcp6_address_handler(sd_netlink *rtnl, sd_netlink_message *m,
link_enter_failed(link);
} else if (r >= 0)
- link_rtnl_process_address(rtnl, m, link->manager);
+ manager_rtnl_process_address(rtnl, m, link->manager);
return 1;
}
diff --git a/src/network/networkd-ipv4ll.c b/src/network/networkd-ipv4ll.c
index f55b00d36c..75d82de516 100644
--- a/src/network/networkd-ipv4ll.c
+++ b/src/network/networkd-ipv4ll.c
@@ -105,7 +105,7 @@ static int ipv4ll_address_handler(sd_netlink *rtnl, sd_netlink_message *m, void
log_link_error_errno(link, r, "could not set ipv4ll address: %m");
link_enter_failed(link);
} else if (r >= 0)
- link_rtnl_process_address(rtnl, m, link->manager);
+ manager_rtnl_process_address(rtnl, m, link->manager);
link->ipv4ll_address = true;
diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c
index 6c35cafbf5..fe701d8c84 100644
--- a/src/network/networkd-link.c
+++ b/src/network/networkd-link.c
@@ -624,7 +624,7 @@ static int address_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userda
if (r < 0 && r != -EEXIST)
log_link_warning_errno(link, r, "could not set address: %m");
else if (r >= 0)
- link_rtnl_process_address(rtnl, m, link->manager);
+ manager_rtnl_process_address(rtnl, m, link->manager);
if (link->link_messages == 0) {
log_link_debug(link, "Addresses set");
@@ -2024,7 +2024,7 @@ int link_initialized(Link *link, struct udev_device *device) {
return 0;
}
-static Address* link_get_equal_address(Link *link, Address *needle) {
+Address* link_get_equal_address(Link *link, Address *needle) {
Address *i;
assert(link);
@@ -2037,166 +2037,6 @@ static Address* link_get_equal_address(Link *link, Address *needle) {
return NULL;
}
-int link_rtnl_process_address(sd_netlink *rtnl, sd_netlink_message *message, void *userdata) {
- Manager *m = userdata;
- Link *link = NULL;
- uint16_t type;
- _cleanup_address_free_ Address *address = NULL;
- unsigned char flags;
- Address *existing;
- char buf[INET6_ADDRSTRLEN], valid_buf[FORMAT_TIMESPAN_MAX];
- const char *valid_str = NULL;
- int r, ifindex;
-
- assert(rtnl);
- assert(message);
- assert(m);
-
- if (sd_netlink_message_is_error(message)) {
- r = sd_netlink_message_get_errno(message);
- if (r < 0)
- log_warning_errno(r, "rtnl: failed to receive address: %m");
-
- return 0;
- }
-
- r = sd_netlink_message_get_type(message, &type);
- if (r < 0) {
- log_warning_errno(r, "rtnl: could not get message type: %m");
- return 0;
- } else if (type != RTM_NEWADDR && type != RTM_DELADDR) {
- log_warning("rtnl: received unexpected message type when processing address");
- return 0;
- }
-
- r = sd_rtnl_message_addr_get_ifindex(message, &ifindex);
- if (r < 0) {
- log_warning_errno(r, "rtnl: could not get ifindex from address: %m");
- return 0;
- } else if (ifindex <= 0) {
- log_warning("rtnl: received address message with invalid ifindex: %d", ifindex);
- return 0;
- } else {
- r = link_get(m, ifindex, &link);
- if (r < 0 || !link) {
- /* when enumerating we might be out of sync, but we will
- * get the address again, so just ignore it */
- if (!m->enumerating)
- log_warning("rtnl: received address for nonexistent link (%d), ignoring", ifindex);
- return 0;
- }
- }
-
- r = address_new(&address);
- if (r < 0)
- return r;
-
- r = sd_rtnl_message_addr_get_family(message, &address->family);
- if (r < 0 || !IN_SET(address->family, AF_INET, AF_INET6)) {
- log_link_warning(link, "rtnl: received address with invalid family, ignoring.");
- return 0;
- }
-
- r = sd_rtnl_message_addr_get_prefixlen(message, &address->prefixlen);
- if (r < 0) {
- log_link_warning_errno(link, r, "rtnl: received address with invalid prefixlen, ignoring: %m");
- return 0;
- }
-
- r = sd_rtnl_message_addr_get_scope(message, &address->scope);
- if (r < 0) {
- log_link_warning_errno(link, r, "rtnl: received address with invalid scope, ignoring: %m");
- return 0;
- }
-
- r = sd_rtnl_message_addr_get_flags(message, &flags);
- if (r < 0) {
- log_link_warning_errno(link, r, "rtnl: received address with invalid flags, ignoring: %m");
- return 0;
- }
- address->flags = flags;
-
- switch (address->family) {
- case AF_INET:
- r = sd_netlink_message_read_in_addr(message, IFA_LOCAL, &address->in_addr.in);
- if (r < 0) {
- log_link_warning_errno(link, r, "rtnl: received address without valid address, ignoring: %m");
- return 0;
- }
-
- break;
-
- case AF_INET6:
- r = sd_netlink_message_read_in6_addr(message, IFA_ADDRESS, &address->in_addr.in6);
- if (r < 0) {
- log_link_warning_errno(link, r, "rtnl: received address without valid address, ignoring: %m");
- return 0;
- }
-
- break;
-
- default:
- assert_not_reached("invalid address family");
- }
-
- if (!inet_ntop(address->family, &address->in_addr, buf, INET6_ADDRSTRLEN)) {
- log_link_warning(link, "Could not print address");
- return 0;
- }
-
- r = sd_netlink_message_read_cache_info(message, IFA_CACHEINFO, &address->cinfo);
- if (r >= 0) {
- if (address->cinfo.ifa_valid == CACHE_INFO_INFINITY_LIFE_TIME)
- valid_str = "ever";
- else
- valid_str = format_timespan(valid_buf, FORMAT_TIMESPAN_MAX,
- address->cinfo.ifa_valid * USEC_PER_SEC,
- USEC_PER_SEC);
- }
-
- existing = link_get_equal_address(link, address);
-
- switch (type) {
- case RTM_NEWADDR:
- if (existing) {
- log_link_debug(link, "Updating address: %s/%u (valid for %s)", buf, address->prefixlen, valid_str);
-
-
- existing->scope = address->scope;
- existing->flags = address->flags;
- existing->cinfo = address->cinfo;
-
- } else {
- log_link_debug(link, "Adding address: %s/%u (valid for %s)", buf, address->prefixlen, valid_str);
-
- LIST_PREPEND(addresses, link->addresses, address);
- address_establish(address, link);
-
- address = NULL;
-
- link_save(link);
- }
-
- break;
-
- case RTM_DELADDR:
-
- if (existing) {
- log_link_debug(link, "Removing address: %s/%u (valid for %s)", buf, address->prefixlen, valid_str);
- address_release(existing, link);
- LIST_REMOVE(addresses, link->addresses, existing);
- address_free(existing);
- } else
- log_link_warning(link, "Removing non-existent address: %s/%u (valid for %s)", buf, address->prefixlen, valid_str);
-
- break;
- default:
- assert_not_reached("Received invalid RTNL message type");
- }
-
- return 1;
-}
-
int link_add(Manager *m, sd_netlink_message *message, Link **ret) {
Link *link;
_cleanup_udev_device_unref_ struct udev_device *device = NULL;
diff --git a/src/network/networkd-link.h b/src/network/networkd-link.h
index 7b219c6854..b14ace9358 100644
--- a/src/network/networkd-link.h
+++ b/src/network/networkd-link.h
@@ -120,6 +120,8 @@ int link_get(Manager *m, int ifindex, Link **ret);
int link_add(Manager *manager, sd_netlink_message *message, Link **ret);
void link_drop(Link *link);
+Address *link_get_equal_address(Link *link, Address *address);
+
int link_address_drop_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata);
int link_route_drop_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata);
@@ -129,7 +131,6 @@ int link_initialized(Link *link, struct udev_device *device);
void link_client_handler(Link *link);
int link_update(Link *link, sd_netlink_message *message);
-int link_rtnl_process_address(sd_netlink *rtnl, sd_netlink_message *message, void *userdata);
int link_save(Link *link);
diff --git a/src/network/networkd-manager.c b/src/network/networkd-manager.c
index e42f2a4c1e..3a733dc3c3 100644
--- a/src/network/networkd-manager.c
+++ b/src/network/networkd-manager.c
@@ -277,6 +277,166 @@ static int manager_connect_udev(Manager *m) {
return 0;
}
+int manager_rtnl_process_address(sd_netlink *rtnl, sd_netlink_message *message, void *userdata) {
+ Manager *m = userdata;
+ Link *link = NULL;
+ uint16_t type;
+ _cleanup_address_free_ Address *address = NULL;
+ unsigned char flags;
+ Address *existing;
+ char buf[INET6_ADDRSTRLEN], valid_buf[FORMAT_TIMESPAN_MAX];
+ const char *valid_str = NULL;
+ int r, ifindex;
+
+ assert(rtnl);
+ assert(message);
+ assert(m);
+
+ if (sd_netlink_message_is_error(message)) {
+ r = sd_netlink_message_get_errno(message);
+ if (r < 0)
+ log_warning_errno(r, "rtnl: failed to receive address: %m");
+
+ return 0;
+ }
+
+ r = sd_netlink_message_get_type(message, &type);
+ if (r < 0) {
+ log_warning_errno(r, "rtnl: could not get message type: %m");
+ return 0;
+ } else if (type != RTM_NEWADDR && type != RTM_DELADDR) {
+ log_warning("rtnl: received unexpected message type when processing address");
+ return 0;
+ }
+
+ r = sd_rtnl_message_addr_get_ifindex(message, &ifindex);
+ if (r < 0) {
+ log_warning_errno(r, "rtnl: could not get ifindex from address: %m");
+ return 0;
+ } else if (ifindex <= 0) {
+ log_warning("rtnl: received address message with invalid ifindex: %d", ifindex);
+ return 0;
+ } else {
+ r = link_get(m, ifindex, &link);
+ if (r < 0 || !link) {
+ /* when enumerating we might be out of sync, but we will
+ * get the address again, so just ignore it */
+ if (!m->enumerating)
+ log_warning("rtnl: received address for nonexistent link (%d), ignoring", ifindex);
+ return 0;
+ }
+ }
+
+ r = address_new(&address);
+ if (r < 0)
+ return r;
+
+ r = sd_rtnl_message_addr_get_family(message, &address->family);
+ if (r < 0 || !IN_SET(address->family, AF_INET, AF_INET6)) {
+ log_link_warning(link, "rtnl: received address with invalid family, ignoring.");
+ return 0;
+ }
+
+ r = sd_rtnl_message_addr_get_prefixlen(message, &address->prefixlen);
+ if (r < 0) {
+ log_link_warning_errno(link, r, "rtnl: received address with invalid prefixlen, ignoring: %m");
+ return 0;
+ }
+
+ r = sd_rtnl_message_addr_get_scope(message, &address->scope);
+ if (r < 0) {
+ log_link_warning_errno(link, r, "rtnl: received address with invalid scope, ignoring: %m");
+ return 0;
+ }
+
+ r = sd_rtnl_message_addr_get_flags(message, &flags);
+ if (r < 0) {
+ log_link_warning_errno(link, r, "rtnl: received address with invalid flags, ignoring: %m");
+ return 0;
+ }
+ address->flags = flags;
+
+ switch (address->family) {
+ case AF_INET:
+ r = sd_netlink_message_read_in_addr(message, IFA_LOCAL, &address->in_addr.in);
+ if (r < 0) {
+ log_link_warning_errno(link, r, "rtnl: received address without valid address, ignoring: %m");
+ return 0;
+ }
+
+ break;
+
+ case AF_INET6:
+ r = sd_netlink_message_read_in6_addr(message, IFA_ADDRESS, &address->in_addr.in6);
+ if (r < 0) {
+ log_link_warning_errno(link, r, "rtnl: received address without valid address, ignoring: %m");
+ return 0;
+ }
+
+ break;
+
+ default:
+ assert_not_reached("invalid address family");
+ }
+
+ if (!inet_ntop(address->family, &address->in_addr, buf, INET6_ADDRSTRLEN)) {
+ log_link_warning(link, "Could not print address");
+ return 0;
+ }
+
+ r = sd_netlink_message_read_cache_info(message, IFA_CACHEINFO, &address->cinfo);
+ if (r >= 0) {
+ if (address->cinfo.ifa_valid == CACHE_INFO_INFINITY_LIFE_TIME)
+ valid_str = "ever";
+ else
+ valid_str = format_timespan(valid_buf, FORMAT_TIMESPAN_MAX,
+ address->cinfo.ifa_valid * USEC_PER_SEC,
+ USEC_PER_SEC);
+ }
+
+ existing = link_get_equal_address(link, address);
+
+ switch (type) {
+ case RTM_NEWADDR:
+ if (existing) {
+ log_link_debug(link, "Updating address: %s/%u (valid for %s)", buf, address->prefixlen, valid_str);
+
+
+ existing->scope = address->scope;
+ existing->flags = address->flags;
+ existing->cinfo = address->cinfo;
+
+ } else {
+ log_link_debug(link, "Adding address: %s/%u (valid for %s)", buf, address->prefixlen, valid_str);
+
+ LIST_PREPEND(addresses, link->addresses, address);
+ address_establish(address, link);
+
+ address = NULL;
+
+ link_save(link);
+ }
+
+ break;
+
+ case RTM_DELADDR:
+
+ if (existing) {
+ log_link_debug(link, "Removing address: %s/%u (valid for %s)", buf, address->prefixlen, valid_str);
+ address_release(existing, link);
+ LIST_REMOVE(addresses, link->addresses, existing);
+ address_free(existing);
+ } else
+ log_link_warning(link, "Removing non-existent address: %s/%u (valid for %s)", buf, address->prefixlen, valid_str);
+
+ break;
+ default:
+ assert_not_reached("Received invalid RTNL message type");
+ }
+
+ return 1;
+}
+
static int manager_rtnl_process_link(sd_netlink *rtnl, sd_netlink_message *message, void *userdata) {
Manager *m = userdata;
Link *link = NULL;
@@ -410,11 +570,11 @@ static int manager_connect_rtnl(Manager *m) {
if (r < 0)
return r;
- r = sd_netlink_add_match(m->rtnl, RTM_NEWADDR, &link_rtnl_process_address, m);
+ r = sd_netlink_add_match(m->rtnl, RTM_NEWADDR, &manager_rtnl_process_address, m);
if (r < 0)
return r;
- r = sd_netlink_add_match(m->rtnl, RTM_DELADDR, &link_rtnl_process_address, m);
+ r = sd_netlink_add_match(m->rtnl, RTM_DELADDR, &manager_rtnl_process_address, m);
if (r < 0)
return r;
@@ -633,7 +793,7 @@ int manager_rtnl_enumerate_addresses(Manager *m) {
m->enumerating = true;
- k = link_rtnl_process_address(m->rtnl, addr, m);
+ k = manager_rtnl_process_address(m->rtnl, addr, m);
if (k < 0)
r = k;
diff --git a/src/network/networkd.h b/src/network/networkd.h
index eea57ac158..cbec6d5b7e 100644
--- a/src/network/networkd.h
+++ b/src/network/networkd.h
@@ -80,6 +80,8 @@ bool manager_should_reload(Manager *m);
int manager_rtnl_enumerate_links(Manager *m);
int manager_rtnl_enumerate_addresses(Manager *m);
+int manager_rtnl_process_address(sd_netlink *nl, sd_netlink_message *message, void *userdata);
+
int manager_send_changed(Manager *m, const char *property, ...) _sentinel_;
int manager_save(Manager *m);