#
# The T18* tests have a great deal of commonality.
# We factor that out into this file.
#
# Usage:
# HEADER ...
# INITV4 or INITV6
# CONFIGAGENT ...
# RUNTEST
#

INIT() {
    # We need to set $SNMP_TEST_DEST to a real IP address; we have a helper script
    # to determine this
    MYIP=`perl ../support/myip $1`
    if [ $? -ne 0 ]
    then
        SKIP "can not determine my IP"
    fi

    if [ "$1" = "ipv6" ]
    then
        SNMP_TEST_DEST="[${MYIP}]":
    else
        SNMP_TEST_DEST=${MYIP}:
    fi

    # Standard V2c configuration
    . ./Sv2cconfig

    CONFIGTRAPD authcommunity log public
    CONFIGTRAPD agentxsocket /dev/null

    # Tracing that helps understand what is being done
    AGENT_FLAGS="$AGENT_FLAGS -Dtdomain,netsnmp_sockaddr,netsnmp_udp"
}

INITV4() {
    localhost=127.0.0.1
    snmptrapd_log_regex="UDP: \[${localhost}\]:[0-9]*->\["
    INIT
}

INITV6() {
    localhost=::1
    snmptrapd_log_regex="\[UDP/IPv6: \[${localhost}\]:[0-9]*\]"
    SNMP_TRANSPORT_SPEC=udp6
    INIT ipv6
}

RUNTEST() {
    STARTTRAPD

    STARTAGENT

    # We just rely on the coldstart trap, so there is no active test here.

    STOPAGENT

    STOPTRAPD

    # Check that the coldstart trap packet was sourced from localhost
    # (IPv4 uses <addr>-><addr>; IPv6 uses just [UDP/IPv6: <addr>],
    #  so match either "-" or "]" after the port.)
    CHECKTRAPDCOUNT atleastone "${snmptrapd_log_regex}"

    FINISHED
}