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varnishtest "Health-checks: basic HTTP health-check though a socks4 proxy"
#REQUIRE_VERSION=2.0
#REGTEST_TYPE=slow
feature ignore_unknown_macro

# This scripts tests a simple HTTP health-checks though a socks4 proxy.

server s1 {
} -start

server socks {
  ## get socks4 request
  recv 16

  ## send socks4 response :
  ##   constant(1): 0x00
  ##   statut(1)  : 0x5a (success)
  ##   padding(6) : ignored
  sendhex "005A000000000000"

  rxreq
  expect req.method == OPTIONS
  expect req.url == /
  expect req.proto == HTTP/1.0
  txresp
} -start

syslog S1 -level notice {
    recv
    expect ~ "[^:\\[ ]\\[${h1_pid}\\]: Health check for server be1/srv succeeded, reason: Layer7 check passed.+code: 200.+check duration: [[:digit:]]+ms, status: 1/1 UP."
} -start

haproxy h1 -conf {
    defaults
        mode tcp
        timeout client "${HAPROXY_TEST_TIMEOUT-5s}"
        timeout server "${HAPROXY_TEST_TIMEOUT-5s}"
        timeout connect "${HAPROXY_TEST_TIMEOUT-5s}"

    backend be1
        log ${S1_addr}:${S1_port} daemon
        option log-health-checks
        option httpchk
        server srv ${s1_addr}:${s1_port} socks4 ${h1_socks_addr}:${h1_socks_port} check-via-socks4 check inter 1s rise 1 fall 1

    listen socks
        bind "fd@${socks}"
        tcp-request inspect-delay 500ms
        ## Accept socks4 request on 16 bytes :
        ##    version(1) : 0x04
        ##    command(1) : 0x01
        ##    port(2)    : ${s1_port}
        ##    addr(4)    : ${s1_addr}
        ##    user-id    : "HAProxy\0"
        tcp-request content accept if { req.len eq 16 } { req.payload(0,1) -m bin "04" } { req.payload(1,1) -m bin "01" } { req.payload(2,2),hex,hex2i eq ${s1_port} } { req.payload(4,4),hex,hex2i -m ip ${s1_addr} } { req.payload(8,8) -m bin "484150726F787900" }
        tcp-request content reject
        server srv ${socks_addr}:${socks_port}

} -start

syslog S1 -wait