Vxworks6에서 arpResolve 구현

Vxworks6.x에는 Vxworks5.x에서 있었던 arpResolve 함수가 없다. 윈드리버에 문의한 결과 아래와 같은 arpResolve의 구현물을 얻었다.

arpResolve

1. #ifndef IPCOM_KERNEL
   #define IPCOM_KERNEL
   #endif
   #include <ipnet_config.h>
   
   #define IPCOM_USE_CLIB_PROTO
   #include <ipcom_type.h>
   
   #include <ipcom_cstyle.h>
   #include <ipcom_err.h>
   #include <ipcom_clib.h>
   #include <ipcom_syslog.h>
   
   #include "ipnet.h"
   #include "ipnet_h.h"
   #include "ipnet_eth.h"
   #include "ipnet_pkt_queue.h"
   
   #include <taskLib.h>
   #include <stdio.h>
   #include <errnoLib.h>
   
   int arpResolve(char *pIpAddr, char *pMac, int tries, int ticks) {
       struct Ip_in_addr target;
       Ipnet_route_entry *pRt;
       struct Ip_arpreq arpreq;
       int sock, i, j, ret;
   
       ipcom_inet_pton(IP_AF_INET, pIpAddr, &target);
   
       IPNET_CODE_LOCK();
       ret = ipnet_route_raw_lookup(IP_AF_INET, 0, IPCOM_ROUTE_TABLE_DEFAULT,
       IPNET_RTL_FLAG_LINK_LOCAL, &target, 0, 0, &pRt);
   
       if ((ret != 0) || (IP_BIT_ISFALSE(pRt->hdr.flags, IPNET_RTF_LLINFO))) {
           IPNET_CODE_UNLOCK();
           return (ERROR);
       }
   
       if (tries <= 0)
           tries = 1;
   
       for (i = 0; i < tries; i++) {
           if (i)
               IPNET_CODE_LOCK();
           ipnet_arp_set_state(pRt, IPNET_ND_INCOMPLETE);
           IPNET_CODE_UNLOCK();
   
           if (ticks == 0)
               ticks = 1;
   
           taskDelay(ticks);
   
           memset((void *)&arpreq, 0, sizeof(struct Ip_arpreq));
   
           ret = ipcom_getsockaddrbyaddr(IP_AF_INET, pIpAddr, &arpreq.arp_pa);
           if (ret < 0) {
               printf("iqArpResolve - ipcom_getsockaddrbyaddrfailed\n");
               return (ERROR);
           }
   
           arpreq.arp_ha.sdl_type = IP_IFT_ETHER;
           arpreq.arp_ha.sdl_family = IP_AF_UNSPEC;
   
           sock = ipcom_socket(IP_AF_INET, IP_SOCK_DGRAM, 0);
           if (sock < 0) {
               printf("iqArpResolve - ipcom_socket failed\n");
               return (ERROR);
           }
   
           ret = ipcom_socketioctl(sock, IP_SIOCGARP, &arpreq);
           ipcom_socketclose(sock);
           if (ret < 0) {
               if (errnoGet() != IP_ERRNO_ESRCH) {
                   printf("iqArpResolve - ipcom_socketioctl failed\n");
                   return (ERROR);
               }
           }
   
           for (j = 0; j < 6; j++)
               if (arpreq.arp_ha.sdl_data[j] != 0)
                   break;
   
           if (j != 6)
               break;
       }
   
       memcpy((void *)pMac, (void *)arpreq.arp_ha.sdl_data, 6);
       return (OK);
   }
   
   void arpResolveTest(char *pAddr) {
       char buff[6];
       int ret;
   
       memset(buff, 0x0, sizeof(buff));
   
       ret = arpResolve(pAddr, buff, 5, 10);
   
       if (ret == ERROR) {
           printf("Error to resolve.\n");
       } else {
           printf("MAC : ");
           for (int i =0; i < 6; i ++) {
               printf("%02X", buff[i]);
           }
           printf("\n");
       }
   }

 

 

위의 소스를 컴파일하기 위한 컴파일 옵션이다.

• define

  • -DIP_PORT_VXWORKS

• include path

  • -IC:/Windriver/vxWorks-6.6/target/h
    -IC:/Windriver/vxWorks-6.6/target/h/wrn/coreip
    -IC:/WindRiver/components/ip_net2-6.6/ipcom
    -IC:/WindRiver/components/ip_net2-6.6/ipcom/port/vxworks/include
    -IC:/WindRiver/components/ip_net2-6.6/ipcom/port/vxworks/config
    -IC:/WindRiver/components/ip_net2-6.6/ipcom/include
    -IC:/WindRiver/components/ip_net2-6.6/ipcom/config
    -IC:/WindRiver/components/ip_net2-6.6/ipnet2/src
    -IC:/WindRiver/components/ip_net2-6.6/ipnet2/include
    -IC:/WindRiver/components/ip_net2-6.6/ipnet2/config
    -IC:/WindRiver/components/ip_net2-6.6/ipappl/config

 

결과

1. [0]->
   [0]->
   [0]->arpResolveTest("10.100.10.90")
   MAC : XXXXXXXXXXXX
   value = 1 = 0x1
   [0]->arpResolveTest("10.100.10.99")
   MAC : YYYYYYYYYYYY
   value = 1 = 0x1
   [0]->

 

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