… | |
… | |
103 | uint8_t dst[16]; |
103 | uint8_t dst[16]; |
104 | } IP6HDR; |
104 | } IP6HDR; |
105 | |
105 | |
106 | #define MAGIC 0xca4c |
106 | #define MAGIC 0xca4c |
107 | |
107 | |
|
|
108 | static uint16_t magic; |
|
|
109 | |
108 | typedef struct { |
110 | typedef struct { |
109 | uint8_t type, code; |
111 | uint8_t type, code; |
110 | uint16_t cksum; |
112 | uint16_t cksum; |
111 | uint16_t id, seq; |
113 | uint16_t id, seq; |
112 | uint32_t payload; |
114 | uint32_t payload; |
… | |
… | |
190 | } |
192 | } |
191 | |
193 | |
192 | //TODO: bind to source address |
194 | //TODO: bind to source address |
193 | |
195 | |
194 | pkt.code = 0; |
196 | pkt.code = 0; |
195 | pkt.id = (uint16_t)MAGIC; |
197 | pkt.id = (uint16_t)magic; |
196 | pkt.seq = (uint16_t)~MAGIC; |
198 | pkt.seq = (uint16_t)~magic; |
197 | pkt.payload = req->payload; |
199 | pkt.payload = req->payload; |
198 | |
200 | |
199 | tstamp now = NOW (); |
201 | tstamp now = NOW (); |
200 | tstamp next = now; |
202 | tstamp next = now; |
201 | |
203 | |
… | |
… | |
405 | BOOT: |
407 | BOOT: |
406 | { |
408 | { |
407 | HV *stash = gv_stashpv ("Net::FPing", 1); |
409 | HV *stash = gv_stashpv ("Net::FPing", 1); |
408 | |
410 | |
409 | cbs = get_av ("Net::FPing::CB", 1); |
411 | cbs = get_av ("Net::FPing::CB", 1); |
|
|
412 | magic = getpid () ^ MAGIC; |
410 | |
413 | |
411 | boot (); |
414 | boot (); |
412 | |
415 | |
413 | newCONSTSUB (stash, "ipv4_supported", newSViv (icmp4_fd >= 0)); |
416 | newCONSTSUB (stash, "ipv4_supported", newSViv (icmp4_fd >= 0)); |
414 | newCONSTSUB (stash, "ipv6_supported", newSViv (icmp6_fd >= 0)); |
417 | newCONSTSUB (stash, "ipv6_supported", newSViv (icmp6_fd >= 0)); |
… | |
… | |
565 | continue; |
568 | continue; |
566 | |
569 | |
567 | PKT *pkt = (PKT *)(buf + hdrlen); |
570 | PKT *pkt = (PKT *)(buf + hdrlen); |
568 | |
571 | |
569 | if (pkt->type != ICMP4_ECHO_REPLY |
572 | if (pkt->type != ICMP4_ECHO_REPLY |
570 | || pkt->id != (uint16_t) MAGIC |
573 | || pkt->id != (uint16_t) magic |
571 | || pkt->seq != (uint16_t)~MAGIC |
574 | || pkt->seq != (uint16_t)~magic |
572 | || !isnormal (pkt->stamp)) |
575 | || !isnormal (pkt->stamp)) |
573 | continue; |
576 | continue; |
574 | |
577 | |
575 | AV *av = newAV (); |
578 | AV *av = newAV (); |
576 | av_push (av, newSVpvn ((char *)&sa.sin_addr, 4)); |
579 | av_push (av, newSVpvn ((char *)&sa.sin_addr, 4)); |
… | |
… | |
601 | if (len != sizeof (PKT)) |
604 | if (len != sizeof (PKT)) |
602 | break; |
605 | break; |
603 | |
606 | |
604 | if (!res_av |
607 | if (!res_av |
605 | || pkt.type != ICMP6_ECHO_REPLY |
608 | || pkt.type != ICMP6_ECHO_REPLY |
606 | || pkt.id != (uint16_t) MAGIC |
609 | || pkt.id != (uint16_t) magic |
607 | || pkt.seq != (uint16_t)~MAGIC |
610 | || pkt.seq != (uint16_t)~magic |
608 | || !isnormal (pkt.stamp)) |
611 | || !isnormal (pkt.stamp)) |
609 | continue; |
612 | continue; |
610 | |
613 | |
611 | AV *av = newAV (); |
614 | AV *av = newAV (); |
612 | av_push (av, newSVpvn ((char *)&sa.sin6_addr, 16)); |
615 | av_push (av, newSVpvn ((char *)&sa.sin6_addr, 16)); |