diff options
| author | lijie <[email protected]> | 2018-12-10 10:25:03 +0800 |
|---|---|---|
| committer | lijie <[email protected]> | 2018-12-10 10:25:03 +0800 |
| commit | cac5c951f20640fa89e23adb55dec8d5ac66a5cc (patch) | |
| tree | 6e9242cdd2b2a80464537d006212b9de27b159b0 /src/mrl_utils.c | |
| parent | d626a2162b0ba811f7e4c5bf253f33e5170b14c7 (diff) | |
Diffstat (limited to 'src/mrl_utils.c')
| -rw-r--r-- | src/mrl_utils.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/mrl_utils.c b/src/mrl_utils.c index 95d6eb2..6356a00 100644 --- a/src/mrl_utils.c +++ b/src/mrl_utils.c @@ -4,11 +4,46 @@ #include<ctype.h>
#include<time.h>
#include<errno.h>
+#include<net/if.h>
+#include <sys/ioctl.h>
+#include <unistd.h>
#include "mrl_utils.h"
#include "mrl_main.h"
extern struct mrl_global_instance mrl_instance;
+int mrl_inet_ntoa(uint32_t ip, char *dest)
+{
+ const char *_ip = inet_ntoa(*(struct in_addr *)&ip);
+ strncpy(dest, _ip, MRL_STR_IP_LEN);
+ return 0;
+}
+
+unsigned int mrl_get_ip_by_eth_name(const char *ifname)
+{
+ int sockfd;
+ struct ifreq ifr;
+ unsigned int ip;
+
+ sockfd = socket(AF_INET, SOCK_DGRAM, 0);
+ if (-1 == sockfd) {
+ goto error;
+ }
+
+ strcpy(ifr.ifr_name,ifname);
+ if (ioctl(sockfd, SIOCGIFADDR, &ifr) < 0) {
+ goto error;
+ }
+
+ ip = ((struct sockaddr_in*)&(ifr.ifr_addr))->sin_addr.s_addr;
+ close(sockfd);
+ return ip;
+
+error:
+ close(sockfd);
+ return -1;
+}
+
/* ascii�ַ�ת16���� */
char mrl_ascii_to_hex(char ascii)
{
|