HI,
>OK so linux part here :
>
>> 10:25:57.474629 connect(5, {sa_family=AF_INET, sin_port=htons(3306),
>> sin_addr=inet_addr("192.168.2.27")}, 16) = -1 EINPROGRESS (Operation
>> now in progress) <0.000202>
>> 10:25:57.475000 sendto(5,
>> "\16\0\0\1\0\200\0\0\1haproxy\0\0\1\0\0\0\1", 23,
>> MSG_DONTWAIT|MSG_NOSIGNAL, NULL, 0) = 23 <0.000099>
>> 10:25:57.475259 epoll_wait(3, {}, 6, 0) = 0 <0.000084>
>> 10:25:57.475488 recvfrom(5,
>> "4\0\0\0\n5.1.52\0\253\27\0\0lUC0d,Jn\0\377\367!\2\0\0\0\0\0\0\0\0\0\0
>> \0\0\0\0mWKTA,VKVNe3\0\3\0\0\2\0\0\0", 16384, 0, NULL, NULL) = 63
>> <0.000071>
>> 10:25:57.475691 recvfrom(5, "", 16321, 0, NULL, NULL) = 0 <0.000050>
>> 10:25:57.475824 shutdown(5, 2 /* send and receive */) = 0 <0.000063>
>> 10:25:57.475943 epoll_wait(3, {}, 6, 0) = 0 <0.000027>
>> 10:25:57.476021 close(5) = 0 <0.000019>
>
>And windows part here :
>
>> 10:25:59.985133 socket(PF_INET, SOCK_STREAM, IPPROTO_TCP) = 5
>> <0.000101>
>> 10:25:59.985375 fcntl(5, F_SETFL, O_RDONLY|O_NONBLOCK) = 0 <0.000083>
>> 10:25:59.985609 setsockopt(5, SOL_TCP, TCP_NODELAY, [1], 4) = 0
>> <0.000083>
>> 10:25:59.985838 connect(5, {sa_family=AF_INET, sin_port=htons(3406),
>> sin_addr=inet_addr("192.168.8.37")}, 16) = -1 EINPROGRESS (Operation
>> now in progress) <0.000102>
>> 10:25:59.986031 sendto(5,
>> "\16\0\0\1\0\200\0\0\1haproxy\0\0\1\0\0\0\1", 23,
>> MSG_DONTWAIT|MSG_NOSIGNAL, NULL, 0) = -1 EAGAIN (Resource
>temporarily
>> unavailable) <0.000014>
>> 10:25:59.986110 epoll_ctl(3, EPOLL_CTL_ADD, 5, {EPOLLOUT, {u32=5,
>> u64=5}}) = 0 <0.000063>
>> 10:25:59.986250 epoll_wait(3, {{EPOLLOUT, {u32=5, u64=5}}}, 6, 1000) =
>> 1 <0.000173>
>> 10:25:59.986487 sendto(5,
>> "\16\0\0\1\0\200\0\0\1haproxy\0\0\1\0\0\0\1", 23,
>> MSG_DONTWAIT|MSG_NOSIGNAL, NULL, 0) = 23 <0.000038>
>> 10:25:59.986609 recvfrom(5, 0x1e92770, 16384, 0, 0, 0) = -1 EAGAIN
>> (Resource temporarily unavailable) <0.000066>
>> 10:25:59.986778 epoll_ctl(3, EPOLL_CTL_MOD, 5, {EPOLLIN, {u32=5,
>> u64=5}}) = 0 <0.000064>
>> 10:25:59.986929 epoll_wait(3, {{EPOLLIN, {u32=5, u64=5}}}, 6, 1000) =
>> 1 <0.000397>
>> 10:25:59.987373 recvfrom(5,
>> "B\0\0\0\n5.1.34-community-log\0\20\0\0\0?)L&t9]I\0\377\367\10\2\0\0\0
>> \0\0\0\0\0\0\0\0\0\0\0007uj4an%h`*M%\0\3\0\0\2\0\0\0", 16384, 0, NULL,
>> NULL) = 77 <0.000015>
>> 10:25:59.987440 recvfrom(5, "", 16307, 0, NULL, NULL) = 0 <0.000029>
>> 10:25:59.987508 shutdown(5, 2 /* send and receive */) = 0 <0.000016>
>> 10:25:59.987560 close(5) = 0 <0.000030>
>
>So the response was received, including the shutdown. It seems like it's the
>response contents which are not correctly parsed then.
>
>I have compared the received data to what the check does and both checks
>seem to parse correctly (both contain two response packets) and both should
>return the major version. And I've double checked, both haproxy 1.4 and 1.5
>use the same parser.
>
>What version of haproxy is this ?
>
It is haproxy-1.4.22
What does " MSG_DONTWAIT|MSG_NOSIGNAL, NULL, 0) = -1 EAGAIN (Resource
temporarily unavailable) <0.000014> " mean?
Regards,
Jayadevan
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