networkd: add minimal client tool "networkd" to query network status

In the long run this should become a full fledged client to networkd
(but not before networkd learns bus support). For now, just pull
interesting data out of networkd, udev, and rtnl and present it to the
user, in a simple but useful output.

1 files changed, 33 insertions, 3 deletions

diff --git a/Makefile.am b/Makefile.am
index ce8f2472ee..2d00fcec46 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -833,6 +833,8 @@ libsystemd_shared_la_SOURCES = \
 	src/shared/errno-list.h \
 	src/shared/af-list.c \
 	src/shared/af-list.h \
+	src/shared/arphrd-list.c \
+	src/shared/arphrd-list.h \
 	src/shared/audit.c \
 	src/shared/audit.h \
 	src/shared/xml.c \
@@ -864,7 +866,9 @@ nodist_libsystemd_shared_la_SOURCES = \
 	src/shared/errno-from-name.h \
 	src/shared/errno-to-name.h \
 	src/shared/af-from-name.h \
-	src/shared/af-to-name.h
+	src/shared/af-to-name.h \
+	src/shared/arphrd-from-name.h \
+	src/shared/arphrd-to-name.h
 
 libsystemd_shared_la_CFLAGS = \
 	$(AM_CFLAGS) \
@@ -1150,6 +1154,8 @@ CLEANFILES += \
 	src/shared/errno-from-name.gperf \
 	src/shared/af-list.txt \
 	src/shared/af-from-name.gperf \
+	src/shared/arphrd-list.txt \
+	src/shared/arphrd-from-name.gperf \
 	src/shared/dns_type-list.txt \
 	src/shared/dns_type-from-name.gperf
 
@@ -1158,6 +1164,8 @@ BUILT_SOURCES += \
 	src/shared/errno-to-name.h \
 	src/shared/af-from-name.h \
 	src/shared/af-to-name.h \
+	src/shared/arphrd-from-name.h \
+	src/shared/arphrd-to-name.h \
 	src/resolve/dns_type-from-name.h \
 	src/resolve/dns_type-to-name.h
 
@@ -1170,7 +1178,7 @@ BUILT_SOURCES += \
 
 src/shared/errno-list.txt:
 	$(AM_V_at)$(MKDIR_P) $(dir $@)
-	$(AM_V_GEN)$(CPP) $(CFLAGS) $(AM_CPPFLAGS) $(CPPFLAGS) -dM -include errno.h - </dev/null | $(AWK) '/^#define[ \t]+E[^ _]+[ \t]+/ { print $$2; }'  >$@
+	$(AM_V_GEN)$(CPP) $(CFLAGS) $(AM_CPPFLAGS) $(CPPFLAGS) -dM -include errno.h - </dev/null | $(AWK) '/^#define[ \t]+E[^ _]+[ \t]+/ { print $$2; }' >$@
 
 src/shared/errno-to-name.h: src/shared/errno-list.txt
 	$(AM_V_GEN)$(AWK) 'BEGIN{ print "static const char* const errno_names[] = { "} !/EDEADLOCK/ && !/EWOULDBLOCK/ && !/ENOTSUP/ { printf "[%s] = \"%s\",\n", $$1, $$1 } END{print "};"}' <$< >$@
@@ -1178,11 +1186,21 @@ src/shared/errno-to-name.h: src/shared/errno-list.txt
 
 src/shared/af-list.txt:
 	$(AM_V_at)$(MKDIR_P) $(dir $@)
-	$(AM_V_GEN)$(CPP) $(CFLAGS) $(AM_CPPFLAGS) $(CPPFLAGS) -dM -include sys/socket.h - </dev/null | grep -v AF_UNSPEC | grep -v AF_MAX | $(AWK) '/^#define[ \t]+AF_[^ \t]+[ \t]+PF_[^ \t]/ { print $$2; }'  >$@
+	$(AM_V_GEN)$(CPP) $(CFLAGS) $(AM_CPPFLAGS) $(CPPFLAGS) -dM -include sys/socket.h - </dev/null | grep -v AF_UNSPEC | grep -v AF_MAX | $(AWK) '/^#define[ \t]+AF_[^ \t]+[ \t]+PF_[^ \t]/ { print $$2; }' >$@
 
 src/shared/af-to-name.h: src/shared/af-list.txt
 	$(AM_V_GEN)$(AWK) 'BEGIN{ print "static const char* const af_names[] = { "} !/AF_FILE/ && !/AF_ROUTE/ && !/AF_LOCAL/ { printf "[%s] = \"%s\",\n", $$1, $$1 } END{print "};"}' <$< >$@
 
+src/shared/arphrd-list.txt:
+	$(AM_V_at)$(MKDIR_P) $(dir $@)
+	$(AM_V_GEN)$(CPP) $(CFLAGS) $(AM_CPPFLAGS) $(CPPFLAGS) -dM -include net/if_arp.h - </dev/null | $(AWK) '/^#define[ \t]+ARPHRD_[^ \t]+[ \t]+[^ \t]/ { print $$2; }' | sed -e 's/ARPHRD_//' >$@
+
+src/shared/arphrd-to-name.h: src/shared/arphrd-list.txt
+	$(AM_V_GEN)$(AWK) 'BEGIN{ print "static const char* const arphrd_names[] = { "} !/CISCO/ { printf "[ARPHRD_%s] = \"%s\",\n", $$1, $$1 } END{print "};"}' <$< >$@
+
+src/shared/arphrd-from-name.gperf: src/shared/arphrd-list.txt
+	$(AM_V_GEN)$(AWK) 'BEGIN{ print "struct arphrd_name { const char* name; int id; };"; print "%null-strings"; print "%%";} { printf "%s, ARPHRD_%s\n", $$1, $$1 }' <$< >$@
+
 
 src/resolve/dns_type-list.txt: src/resolve/dns-type.h
 	$(AM_V_at)$(MKDIR_P) $(dir $@)
@@ -4974,6 +4992,18 @@ systemd_networkd_wait_online_LDADD = \
 	libsystemd-internal.la \
 	libsystemd-shared.la
 
+rootbin_PROGRAMS += \
+	networkctl
+
+networkctl_SOURCES = \
+	src/network/networkctl.c
+
+networkctl_LDADD = \
+	libsystemd-internal.la \
+	libudev-internal.la \
+	libsystemd-shared.la \
+	libsystemd-network.la
+
 test_network_SOURCES = \
 	src/network/test-network.c