Test Information

TitleReceiving the Hop Limit (TCP socket)
CommandLine./tst_recv_hop_limit_tcp --log=7.html --title=Receiving the Hop Limit (TCP socket)
TestVersionREL_1_1_18
Start2023/01/26 16:33:03
SystemName(null)
KernelVersion(null)

Test Sequence Execution Log

16:33:03Start

== create tcp socket for tcp server ==
16:33:03socket(domain:AF_INET6, type:SOCK_STREAM, protocol:0)
16:33:03return sockfd=4

== create tcp socket for tcp client ==
16:33:03socket(domain:AF_INET6, type:SOCK_STREAM, protocol:0)
16:33:03return sockfd=5

== set hoplimit of tcp server to 255 ==
16:33:03setsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_UNICAST_HOPS, optval:0x3ffd5978bcc, optlen:4)
16:33:03return 0

== enable tcp client to receive hop limit ==
16:33:03setsockopt(sockfd:5, level:IPPROTO_IPV6, optname:IPV6_RECVHOPLIMIT, optval:0x3ffd5978bd0, optlen:4)
16:33:03return 0

== bind tcp server socket to address ==
16:33:04tst_get_unused_port() get port 51643
16:33:04bind(sockfd:4, my_addr:0x3ffd5978c64, addrlen:28)
16:33:04return 0

== listen on tcp server socket ==
16:33:04listen(sockfd:4, backlog:100)
16:33:04return 0

== connect to tcp server ==
16:33:04connect(sockfd:5, serv_addr:0x3ffd5978c64, addrlen:28)
16:33:04return 0

== accept a connection on tcp socket ==
16:33:04accept(sockfd:4, addr:0x3ffd5978c64, addrlen:0x3ffd5978bc8)
16:33:04return 6

== send message from tcp server to tcp client ==
16:33:05send(sockfd:6, buf:0x3ffd5978bd7, len:17, flags:0)
16:33:05return 17

== recv message from tcp server on tcp client ==
16:33:05recv(sockfd:5, buf:0x3ffd5978be8, len:100, flags:0)
16:33:05return 17

== get IPV6_2292PKTOPTIONS of tcp client ==
16:33:05getsockopt(sockfd:5, level:IPPROTO_IPV6, optname:IPV6_2292PKTOPTIONS, optval:0x3ffd5978c4c, optlen:0x3ffd5978bc4)
16:33:05return length 24

the received hop limit = 255, length = 20
16:33:05close(5)
16:33:05close(6)
16:33:05close(4)

OK
16:33:05End