lightning-pub/scripts/ports.sh
shocknet-justin 12e58be271 fix log
2025-09-25 14:33:38 -04:00

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#!/bin/bash
# --- Port Management ---
# Finds an available TCP port, starting from a given base port.
# If the base port is in use, it increments until a free port is found.
#
# @param base_port The starting port number.
# @return The first available port number.
find_available_port() {
local port=$1
while ! is_port_available "$port"; do
log "Port $port is in use. Checking next port..." >&2
port=$((port + 1))
done
echo "$port"
}
# Checks if a given TCP port is available.
#
# @param port The port number to check.
# @return 0 if the port is available, 1 otherwise.
is_port_available() {
local port=$1
! lsof -iTCP:"$port" -sTCP:LISTEN -P -t >/dev/null 2>&1
}