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Ensure port is not inuse before selecting it

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This commit is contained in:
Michael Vines 2018-12-17 09:17:18 -08:00
parent b7144560c9
commit 9ff8abaf29
1 changed files with 10 additions and 2 deletions
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12
multinode-demo/fullnode.sh
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@ -133,8 +133,16 @@ else
mkdir -p "$SOLANA_CONFIG_DIR" mkdir -p "$SOLANA_CONFIG_DIR"
fullnode_json_path=$SOLANA_CONFIG_DIR/fullnode-x$$.json fullnode_json_path=$SOLANA_CONFIG_DIR/fullnode-x$$.json
port=9000 # Find an available port in the range 9100-9899
(((port += ($$ % 1000)) && (port == 9000) && port++)) (( port = 9100 + ($$ % 800) ))
while true; do
(( port = port >= 9900 ? 9100 : ++port ))
if ! nc -z 127.0.0.1 $port; then
echo "Selected port $port"
break;
fi
echo "Port $port is in use"
done
$solana_fullnode_config --keypair="$fullnode_id_path" -l -b "$port" > "$fullnode_json_path" $solana_fullnode_config --keypair="$fullnode_id_path" -l -b "$port" > "$fullnode_json_path"