diff options
-rw-r--r-- | configure.ac | 2 | ||||
-rw-r--r-- | examples/Makefile.am | 2 | ||||
-rw-r--r-- | examples/kobject/Makefile.am | 6 | ||||
-rw-r--r-- | examples/kobject/kobject-event.c | 49 |
4 files changed, 57 insertions, 2 deletions
diff --git a/configure.ac b/configure.ac index 718ab1c..7c611fa 100644 --- a/configure.ac +++ b/configure.ac @@ -27,5 +27,5 @@ regular_CFLAGS="-Wall -Waggregate-return -Wmissing-declarations \ -Wformat=2 -pipe" AC_SUBST([regular_CPPFLAGS]) AC_SUBST([regular_CFLAGS]) -AC_CONFIG_FILES([Makefile src/Makefile include/Makefile include/libmnl/Makefile include/linux/Makefile examples/Makefile examples/genl/Makefile examples/netfilter/Makefile examples/rtnl/Makefile libmnl.pc doxygen.cfg]) +AC_CONFIG_FILES([Makefile src/Makefile include/Makefile include/libmnl/Makefile include/linux/Makefile examples/Makefile examples/genl/Makefile examples/kobject/Makefile examples/netfilter/Makefile examples/rtnl/Makefile libmnl.pc doxygen.cfg]) AC_OUTPUT diff --git a/examples/Makefile.am b/examples/Makefile.am index f6c2f69..e5cb052 100644 --- a/examples/Makefile.am +++ b/examples/Makefile.am @@ -1 +1 @@ -SUBDIRS = genl netfilter rtnl +SUBDIRS = genl kobject netfilter rtnl diff --git a/examples/kobject/Makefile.am b/examples/kobject/Makefile.am new file mode 100644 index 0000000..9197f7a --- /dev/null +++ b/examples/kobject/Makefile.am @@ -0,0 +1,6 @@ +include $(top_srcdir)/Make_global.am + +check_PROGRAMS = kobject-event + +kobject_event_SOURCES = kobject-event.c +kobject_event_LDADD = ../../src/libmnl.la diff --git a/examples/kobject/kobject-event.c b/examples/kobject/kobject-event.c new file mode 100644 index 0000000..97debdf --- /dev/null +++ b/examples/kobject/kobject-event.c @@ -0,0 +1,49 @@ +/* This example is placed in the public domain. */ +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <time.h> + +#include <libmnl/libmnl.h> +#include <linux/netlink.h> + +int main(int argc, char *argv[]) +{ + struct mnl_socket *nl; + char buf[MNL_SOCKET_BUFFER_SIZE]; + int ret; + + nl = mnl_socket_open(NETLINK_KOBJECT_UEVENT); + if (nl == NULL) { + perror("mnl_socket_open"); + exit(EXIT_FAILURE); + } + + /* There is one single group in kobject over netlink */ + if (mnl_socket_bind(nl, (1<<0), MNL_SOCKET_AUTOPID) < 0) { + perror("mnl_socket_bind"); + exit(EXIT_FAILURE); + } + + ret = mnl_socket_recvfrom(nl, buf, sizeof(buf)); + while (ret > 0) { + int i; + + /* kobject uses a string based protocol, with no initial + * netlink header. + */ + for (i=0; i<ret; i++) + printf("%c", buf[i]); + + printf("\n"); + ret = mnl_socket_recvfrom(nl, buf, sizeof(buf)); + } + if (ret == -1) { + perror("error"); + exit(EXIT_FAILURE); + } + + mnl_socket_close(nl); + + return 0; +} |