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authorDamjan Marion <damarion@cisco.com>2018-07-30 12:45:07 +0200
committerFlorin Coras <florin.coras@gmail.com>2018-08-17 22:14:39 +0000
commit612dd6a955e44d2c0fed1801fb8de585ca695c63 (patch)
treea49c3004a7122077a884dce483daebc280199761 /src/plugins/examples/health_check.c
parent5d82d2f1495e189c4687a6462850cbbb3ea38b17 (diff)
CMake as an alternative to autotools (experimental)
Change-Id: Ibc59323e849810531dd0963e85493efad3b86857 Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src/plugins/examples/health_check.c')
-rw-r--r--src/plugins/examples/health_check.c109
1 files changed, 0 insertions, 109 deletions
diff --git a/src/plugins/examples/health_check.c b/src/plugins/examples/health_check.c
deleted file mode 100644
index 5f0d85fec08..00000000000
--- a/src/plugins/examples/health_check.c
+++ /dev/null
@@ -1,109 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <netinet/in.h>
-#include <netinet/ip.h>
-#include <netinet/ip_icmp.h>
-#include <arpa/inet.h>
-#include <net/if.h>
-#include <stdbool.h>
-#include <errno.h>
-
-static void
-usage (void) {
- fprintf(stderr,
- "Usage: health_check"
- " -d debug"
- " -I interface"
- "\n");
- exit(2);
-}
-
-int
-main (int argc, char **argv)
-{
- int sd, ch;
- uint8_t *opt, *pkt;
- struct ifreq ifr;
- char *interface = NULL;
- bool debug = false;
-
- while ((ch = getopt(argc, argv, "h?" "I:" "d")) != EOF) {
- switch(ch) {
- case 'I':
- interface = optarg;
- break;
- case 'd':
- debug = true;
- break;
- default:
- usage();
- break;
- }
- }
-
- argc -= optind;
- argv += optind;
-
- if (!interface)
- usage();
-
- /* Request a socket descriptor sd. */
- if ((sd = socket (AF_INET6, SOCK_RAW, IPPROTO_IPIP)) < 0) {
- perror ("Failed to get socket descriptor ");
- exit (EXIT_FAILURE);
- }
-
- memset(&ifr, 0, sizeof(ifr));
- snprintf(ifr.ifr_name, sizeof(ifr.ifr_name), "%s", interface);
-
- /* Bind socket to interface of this node. */
- if (setsockopt (sd, SOL_SOCKET, SO_BINDTODEVICE, (void *) &ifr, sizeof (ifr)) < 0) {
- perror ("SO_BINDTODEVICE failed");
- exit (EXIT_FAILURE);
- }
- if (debug) printf("Binding to interface %s\n", interface);
-
- while (1) {
- struct sockaddr_in6 src_addr;
- socklen_t addrlen = sizeof(src_addr);
- char source[INET6_ADDRSTRLEN+1];
- int len;
- uint8_t inpack[IP_MAXPACKET];
-
- if ((len = recvfrom(sd, inpack, sizeof(inpack), 0, (struct sockaddr *)&src_addr, &addrlen)) < 0) {
- perror("recvfrom failed ");
- }
- if (inet_ntop(AF_INET6, &src_addr.sin6_addr, source, INET6_ADDRSTRLEN) == NULL) {
- perror("inet_ntop() failed.");
- exit(EXIT_FAILURE);
- }
-
- /* Reply */
- struct iphdr *ip = (struct iphdr *)inpack;
- uint32_t saddr;
- struct icmphdr *icmp;
-
- saddr = ip->saddr;
- ip->saddr = ip->daddr;
- ip->daddr = saddr;
-
- switch (ip->protocol) {
- case 1:
- if (debug) printf ("ICMP Echo request from %s\n", source);
- icmp = (struct icmphdr *)&ip[1];
- icmp->type = ICMP_ECHOREPLY;
- break;
- default:
- fprintf(stderr, "Unsupported protocol %d", ip->protocol);
- }
- if (len = sendto(sd, inpack, len, 0, (struct sockaddr *)&src_addr, addrlen) < 0) {
- perror("sendto failed ");
- }
- }
-
- close (sd);
-
- return (EXIT_SUCCESS);
-}