diff options
Diffstat (limited to 'test/system/helpers.bash')
| -rw-r--r-- | test/system/helpers.bash | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/test/system/helpers.bash b/test/system/helpers.bash index 74b5ddc4b..273e8d2f5 100644 --- a/test/system/helpers.bash +++ b/test/system/helpers.bash @@ -284,7 +284,7 @@ function random_free_port() { local port for port in $(shuf -i ${range}); do - if ! { exec {unused_fd}<> /dev/tcp/127.0.0.1/$port; } &>/dev/null; then + if port_is_free $port; then echo $port return fi @@ -293,6 +293,35 @@ function random_free_port() { die "Could not find open port in range $range" } +function random_free_port_range() { + local size=${1?Usage: random_free_port_range SIZE (as in, number of ports)} + + local maxtries=10 + while [[ $maxtries -gt 0 ]]; do + local firstport=$(random_free_port) + local all_ports_free=1 + for i in $(seq 2 $size); do + if ! port_is_free $((firstport + $i)); then + all_ports_free= + break + fi + done + if [[ -n "$all_ports_free" ]]; then + echo "$firstport-$((firstport + $size - 1))" + return + fi + + maxtries=$((maxtries - 1)) + done + + die "Could not find free port range with size $size" +} + +function port_is_free() { + local port=${1?Usage: port_is_free PORT} + ! { exec {unused_fd}<> /dev/tcp/127.0.0.1/$port; } &>/dev/null +} + ################### # wait_for_port # Returns once port is available on host ################### |