| #!/bin/bash |
| |
| # Copyright 2016, Google Inc. |
| # All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions are |
| # met: |
| # |
| # * Redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer. |
| # * Redistributions in binary form must reproduce the above |
| # copyright notice, this list of conditions and the following disclaimer |
| # in the documentation and/or other materials provided with the |
| # distribution. |
| # * Neither the name of Google Inc. nor the names of its |
| # contributors may be used to endorse or promote products derived from |
| # this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| # Example usage: |
| # tools/codegen/core/gen_nano_proto.sh \ |
| # src/proto/grpc/lb/v1/load_balancer.proto \ |
| # $PWD/src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1 \ |
| # src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1 |
| # |
| # Exit statuses: |
| # 1: Incorrect number of arguments |
| # 2: Input proto file (1st argument) doesn't exist or is not a regular file. |
| # 3: Options file for nanopb not found in same dir as the input proto file. |
| # 4: Output dir not an absolute path. |
| # 5: Couldn't create output directory (2nd argument). |
| |
| read -r -d '' COPYRIGHT <<'EOF' |
| /* |
| * |
| * Copyright <YEAR>, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| |
| EOF |
| |
| CURRENT_YEAR=$(date +%Y) |
| COPYRIGHT_FILE=$(mktemp) |
| echo "${COPYRIGHT/<YEAR>/$CURRENT_YEAR}" > $COPYRIGHT_FILE |
| |
| set -ex |
| if [ $# -lt 2 ] || [ $# -gt 3 ]; then |
| echo "Usage: $0 <input.proto> <absolute path to output dir> [grpc path]" |
| exit 1 |
| fi |
| |
| readonly GRPC_ROOT="$PWD" |
| readonly INPUT_PROTO="$1" |
| readonly OUTPUT_DIR="$2" |
| readonly GRPC_OUTPUT_DIR="${3:-$OUTPUT_DIR}" |
| readonly EXPECTED_OPTIONS_FILE_PATH="${1%.*}.options" |
| |
| if [[ ! -f "$INPUT_PROTO" ]]; then |
| echo "Input proto file '$INPUT_PROTO' doesn't exist." |
| exit 2 |
| fi |
| if [[ ! -f "${EXPECTED_OPTIONS_FILE_PATH}" ]]; then |
| echo "Expected nanopb options file '${EXPECTED_OPTIONS_FILE_PATH}' missing" |
| exit 3 |
| fi |
| |
| if [[ "${OUTPUT_DIR:0:1}" != '/' ]]; then |
| echo "The output directory must be an absolute path. Got '$OUTPUT_DIR'" |
| exit 4 |
| fi |
| |
| mkdir -p "$OUTPUT_DIR" |
| if [ $? != 0 ]; then |
| echo "Error creating output directory $OUTPUT_DIR" |
| exit 5 |
| fi |
| |
| readonly VENV_DIR=$(mktemp -d) |
| readonly VENV_NAME="nanopb-$(date '+%Y%m%d_%H%M%S_%N')" |
| pushd $VENV_DIR |
| virtualenv $VENV_NAME |
| . $VENV_NAME/bin/activate |
| popd |
| |
| # this should be the same version as the submodule we compile against |
| # ideally we'd update this as a template to ensure that |
| pip install protobuf==3.0.0b2 |
| |
| pushd "$(dirname $INPUT_PROTO)" > /dev/null |
| |
| protoc \ |
| --plugin=protoc-gen-nanopb="$GRPC_ROOT/third_party/nanopb/generator/protoc-gen-nanopb" \ |
| --nanopb_out='-T -L#include\ \"third_party/nanopb/pb.h\"'":$OUTPUT_DIR" \ |
| "$(basename $INPUT_PROTO)" |
| |
| readonly PROTO_BASENAME=$(basename $INPUT_PROTO .proto) |
| sed -i "s:$PROTO_BASENAME.pb.h:${GRPC_OUTPUT_DIR}/$PROTO_BASENAME.pb.h:g" \ |
| "$OUTPUT_DIR/$PROTO_BASENAME.pb.c" |
| |
| # prepend copyright |
| TMPFILE=$(mktemp) |
| cat $COPYRIGHT_FILE "$OUTPUT_DIR/$PROTO_BASENAME.pb.c" > $TMPFILE |
| mv -v $TMPFILE "$OUTPUT_DIR/$PROTO_BASENAME.pb.c" |
| cat $COPYRIGHT_FILE "$OUTPUT_DIR/$PROTO_BASENAME.pb.h" > $TMPFILE |
| mv -v $TMPFILE "$OUTPUT_DIR/$PROTO_BASENAME.pb.h" |
| |
| deactivate |
| rm -rf $VENV_DIR |
| |
| popd > /dev/null |