Changeset 1584 for pjproject/trunk/pjlib/src/pj/ip_helper_generic.c
- Timestamp:
- Nov 17, 2007 10:27:34 AM (16 years ago)
- File:
-
- 1 edited
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pjproject/trunk/pjlib/src/pj/ip_helper_generic.c
r1104 r1584 22 22 #include <pj/errno.h> 23 23 #include <pj/string.h> 24 #include <pj/compat/socket.h> 24 25 25 /* 26 * Enumerate the local IP interface currently active in the host. 27 */ 28 PJ_DEF(pj_status_t) pj_enum_ip_interface(unsigned *p_cnt, 29 pj_in_addr ifs[]) 26 static pj_status_t dummy_enum_ip_interface(unsigned *p_cnt, 27 pj_in_addr ifs[]) 30 28 { 31 29 pj_status_t status; … … 42 40 *p_cnt = 1; 43 41 return PJ_SUCCESS; 42 } 43 44 #ifdef SIOCGIFCONF 45 static pj_status_t sock_enum_ip_interface(unsigned *p_cnt, 46 pj_in_addr ifs[]) 47 { 48 pj_sock_t sock; 49 char buf[512]; 50 struct ifconf ifc; 51 struct ifreq *ifr; 52 int i, count; 53 pj_status_t status; 54 55 status = pj_sock_socket(PJ_AF_INET, PJ_SOCK_DGRAM, 0, &sock); 56 if (status != PJ_SUCCESS) 57 return status; 58 59 /* Query available interfaces */ 60 ifc.ifc_len = sizeof(buf); 61 ifc.ifc_buf = buf; 62 63 if (ioctl(sock, SIOCGIFCONF, &ifc) < 0) { 64 int oserr = pj_get_netos_error(); 65 pj_sock_close(sock); 66 return PJ_RETURN_OS_ERROR(oserr); 67 } 68 69 /* Done with socket */ 70 pj_sock_close(sock); 71 72 /* Interface interfaces */ 73 ifr = (struct ifreq*) ifc.ifc_req; 74 count = ifc.ifc_len / sizeof(struct ifreq); 75 if (count > *p_cnt) 76 count = *p_cnt; 77 else 78 *p_cnt = count; 79 for (i=0; i<count; ++i) { 80 struct ifreq *itf = &ifr[i]; 81 ifs[i].s_addr = ((struct sockaddr_in *)&itf->ifr_addr)->sin_addr.s_addr; 82 } 83 84 return PJ_SUCCESS; 85 } 86 #endif /* SIOCGIFCONF */ 87 88 /* 89 * Enumerate the local IP interface currently active in the host. 90 */ 91 PJ_DEF(pj_status_t) pj_enum_ip_interface(unsigned *p_cnt, 92 pj_in_addr ifs[]) 93 { 94 #ifdef SIOCGIFCONF 95 if (sock_enum_ip_interface(p_cnt, ifs) == PJ_SUCCESS) 96 return PJ_SUCCESS; 97 #endif 98 return dummy_enum_ip_interface(p_cnt, ifs); 44 99 } 45 100
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