libsystemd-network: move network-utils from src/shared

This does not belong in shared as it is mostly a detail of our networking subsystem.

Moreover, now we can use libudev here, which will simplify things.

Makefile.am

@@ -779,8 +779,6 @@ libsystemd_shared_la_SOURCES = \
 	src/shared/ima-util.h \
 	src/shared/ptyfwd.c \
 	src/shared/ptyfwd.h \
-	src/shared/net-util.c \
-	src/shared/net-util.h \
 	src/shared/errno-list.c \
 	src/shared/errno-list.h \
 	src/shared/af-list.c \
@@ -2460,7 +2458,9 @@ libsystemd_network_la_SOURCES = \
 	src/libsystemd-network/sd-ipv4ll.c \
 	src/libsystemd-network/ipv4ll-network.c \
 	src/libsystemd-network/ipv4ll-packet.c \
-	src/libsystemd-network/ipv4ll-internal.h
+	src/libsystemd-network/ipv4ll-internal.h \
+	src/libsystemd-network/network-internal.c \
+	src/libsystemd-network/network-internal.h
 
 libsystemd_network_la_LIBADD = \
 	libsystemd-label.la \
@@ -2720,6 +2720,7 @@ libudev_core_la_LIBADD = \
 	libudev-internal.la \
 	libsystemd-label.la \
 	libsystemd-internal.la \
+	libsystemd-network.la \
 	libsystemd-shared.la \
 	$(BLKID_LIBS) \
 	$(KMOD_LIBS)

src/libsystemd-network/network-internal.c

@@ -27,7 +27,7 @@
 #include "strv.h"
 #include "siphash24.h"
 #include "libudev-private.h"
-#include "net-util.h"
+#include "network-internal.h"
 #include "log.h"
 #include "utf8.h"
 #include "util.h"

src/libsystemd-network/network-internal.h

@@ -25,6 +25,7 @@
 #include <netinet/in.h>
 #include <stdbool.h>
 
+#include "udev.h"
 #include "condition-util.h"
 
 bool net_match_config(const struct ether_addr *match_mac,

src/network/network-util.h

@@ -22,6 +22,7 @@
 ***/
 
 #include "util.h"
+#include "sd-network.h"
 
 DEFINE_TRIVIAL_CLEANUP_FUNC(sd_network_monitor*, sd_network_monitor_unref);
 

src/network/networkd-address.c

@@ -26,7 +26,7 @@
 #include "utf8.h"
 #include "util.h"
 #include "conf-parser.h"
-#include "net-util.h"
+#include "network-internal.h"
 
 int address_new_static(Network *network, unsigned section, Address **ret) {
         _cleanup_address_free_ Address *address = NULL;

src/network/networkd-link.c

@@ -26,7 +26,7 @@
 #include "libudev-private.h"
 #include "util.h"
 #include "bus-util.h"
-#include "net-util.h"
+#include "network-internal.h"
 
 #include "dhcp-lease-internal.h"
 

src/network/networkd-netdev-gperf.gperf

@@ -2,7 +2,7 @@
 #include <stddef.h>
 #include "conf-parser.h"
 #include "networkd.h"
-#include "net-util.h"
+#include "network-internal.h"
 %}
 struct ConfigPerfItem;
 %null_strings

src/network/networkd-netdev.c

@@ -20,7 +20,7 @@
 ***/
 
 #include "networkd.h"
-#include "net-util.h"
+#include "network-internal.h"
 #include "path-util.h"
 #include "conf-files.h"
 #include "conf-parser.h"

src/network/networkd-network-gperf.gperf

@@ -2,7 +2,7 @@
 #include <stddef.h>
 #include "conf-parser.h"
 #include "networkd.h"
-#include "net-util.h"
+#include "network-internal.h"
 %}
 struct ConfigPerfItem;
 %null_strings

src/network/networkd-network.c

@@ -20,7 +20,7 @@
 ***/
 
 #include "networkd.h"
-#include "net-util.h"
+#include "network-internal.h"
 #include "path-util.h"
 #include "conf-files.h"
 #include "conf-parser.h"

src/network/networkd-route.c

@@ -26,7 +26,7 @@
 #include "utf8.h"
 #include "util.h"
 #include "conf-parser.h"
-#include "net-util.h"
+#include "network-internal.h"
 
 int route_new_static(Network *network, unsigned section, Route **ret) {
         _cleanup_route_free_ Route *route = NULL;

src/udev/net/link-config-gperf.gperf

@@ -1,7 +1,7 @@
 %{
 #include <stddef.h>
 #include "conf-parser.h"
-#include "net-util.h"
+#include "network-internal.h"
 #include "link-config.h"
 #include "ethtool-util.h"
 %}

src/udev/net/link-config.c

@@ -38,7 +38,7 @@
 #include "fileio.h"
 #include "hashmap.h"
 #include "rtnl-util.h"
-#include "net-util.h"
+#include "network-internal.h"
 #include "siphash24.h"
 
 struct link_config_ctx {