1#!/bin/bash 2# Copyright 2024 The Android Open Source Project 3# 4# Licensed under the Apache License, Version 2.0 (the "License"); 5# you may not use this file except in compliance with the License. 6# You may obtain a copy of the License at 7# 8# http://www.apache.org/licenses/LICENSE-2.0 9# 10# Unless required by applicable law or agreed to in writing, software 11# distributed under the License is distributed on an "AS IS" BASIS, 12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13# See the License for the specific language governing permissions and 14# limitations under the License. 15 16# This script sets up the necessary environment variables for Cargo builds. 17# It determines the OUT_PATH, sets up CARGO_HOME and library paths, 18# and defines paths to prebuilt packet files. 19 20# Usage: scripts/cargo_env.sh [OUT_PATH] 21# OUT_PATH: Optional. The output directory for build artifacts. 22# Defaults to "tools/netsim/objs" if not specified. 23 24# Set up necessary env vars for Cargo 25function setup_cargo_env { 26 # Get the directory of the script 27 local REPO=$(realpath "$(dirname "${BASH_SOURCE[0]}")/../../..") 28 29 # Determine the OUT_PATH 30 local OUT_PATH="${1:-$REPO/tools/netsim/objs}" 31 32 # Get OS name (lowercase) 33 local OS=$(uname | tr '[:upper:]' '[:lower:]') 34 35 # Set environment variables 36 export CARGO_HOME=$OUT_PATH/rust/.cargo 37 export OBJS_PATH=$OUT_PATH 38 export GRPCIO_SYS_GRPC_INCLUDE_PATH=$REPO/external/grpc/include 39 40 # Paths to pdl generated packets files 41 local ROOTCANAL_PDL_PATH=$OUT_PATH/rootcanal/pdl_gen 42 export LINK_LAYER_PACKETS_PREBUILT=$ROOTCANAL_PDL_PATH/link_layer_packets.rs 43 local PDL_PATH=$OUT_PATH/pdl/pdl_gen 44 export MAC80211_HWSIM_PACKETS_PREBUILT=$PDL_PATH/mac80211_hwsim_packets.rs 45 export IEEE80211_PACKETS_PREBUILT=$PDL_PATH/ieee80211_packets.rs 46 export LLC_PACKETS_PREBUILT=$PDL_PATH/llc_packets.rs 47 export NETLINK_PACKETS_PREBUILT=$PDL_PATH/netlink_packets.rs 48 49 # Set library path based on OS 50 if [[ "$OS" == "darwin" ]]; then 51 export DYLD_FALLBACK_LIBRARY_PATH=$OUT_PATH/lib64 52 else 53 export LD_LIBRARY_PATH=$OUT_PATH/lib64 54 fi 55} 56 57setup_cargo_env "$1" 58