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79 lines
1.3 KiB
79 lines
1.3 KiB
#!/bin/sh |
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TIMEOUT=15 |
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QUIET=0 |
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echoerr() { |
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if [ "$QUIET" -ne 1 ]; then printf "%s\n" "$*" 1>&2; fi |
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} |
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usage() { |
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exitcode="$1" |
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cat << USAGE >&2 |
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Usage: |
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$cmdname host:port [-t timeout] [-- command args] |
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-q | --quiet Do not output any status messages |
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-t TIMEOUT | --timeout=timeout Timeout in seconds, zero for no timeout |
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-- COMMAND ARGS Execute command with args after the test finishes |
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USAGE |
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exit "$exitcode" |
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} |
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wait_for() { |
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for i in `seq $TIMEOUT` ; do |
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nc -z "$HOST" "$PORT" > /dev/null 2>&1 |
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result=$? |
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if [ $result -eq 0 ] ; then |
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if [ $# -gt 0 ] ; then |
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exec "$@" |
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fi |
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exit 0 |
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fi |
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sleep 1 |
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done |
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echo "Operation timed out" >&2 |
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exit 1 |
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} |
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while [ $# -gt 0 ] |
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do |
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case "$1" in |
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*:* ) |
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HOST=$(printf "%s\n" "$1"| cut -d : -f 1) |
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PORT=$(printf "%s\n" "$1"| cut -d : -f 2) |
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shift 1 |
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;; |
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-q | --quiet) |
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QUIET=1 |
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shift 1 |
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;; |
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-t) |
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TIMEOUT="$2" |
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if [ "$TIMEOUT" = "" ]; then break; fi |
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shift 2 |
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;; |
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--timeout=*) |
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TIMEOUT="${1#*=}" |
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shift 1 |
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;; |
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--) |
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shift |
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break |
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;; |
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--help) |
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usage 0 |
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;; |
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*) |
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echoerr "Unknown argument: $1" |
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usage 1 |
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;; |
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esac |
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done |
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if [ "$HOST" = "" -o "$PORT" = "" ]; then |
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echoerr "Error: you need to provide a host and port to test." |
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usage 2 |
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fi |
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wait_for "$@"
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