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author | Alex Harpin <development@landsofshadow.co.uk> | 2015-10-18 11:48:55 +0100 |
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committer | Alex Harpin <development@landsofshadow.co.uk> | 2015-10-18 11:48:55 +0100 |
commit | cebada14c32e6603380a913fb852854c46605d1d (patch) | |
tree | 88396b80b0a558866002809642876792f3c60de9 /examples/kobject/kobject-event.c | |
parent | 0bb90c44862ce3f9018656beadfbc2aac4a0d517 (diff) | |
parent | 1891e0e2cefced50e7bfdacd50942cefe5bf73ba (diff) | |
download | libmnl-upstream.tar.gz libmnl-upstream.zip |
Merge remote-tracking branch 'source/master' into upstreamupstream
Diffstat (limited to 'examples/kobject/kobject-event.c')
-rw-r--r-- | examples/kobject/kobject-event.c | 49 |
1 files changed, 49 insertions, 0 deletions
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; +} |