1 files changed, 28 insertions, 0 deletions
diff --git a/tools/codegen/core/gen_load_balancing_proto.sh b/tools/codegen/core/gen_load_balancing_proto.sh
new file mode 100755
index 0000000000..7dd1470b19
--- /dev/null
+++ b/tools/codegen/core/gen_load_balancing_proto.sh
@@ -0,0 +1,28 @@
+#!/bin/bash
+
+if [ $# -eq 0 ]; then
+  echo "Usage: $0 <load_balancer.proto>"
+  exit 1
+fi
+
+readonly EXPECTED_OPTIONS_FILE_PATH="${1%.*}.options"
+
+if [[ ! -f "$1" ]]; then
+  echo "Input proto file '$1' doesn't exist."
+  exit 2
+fi
+if [[ ! -f "${EXPECTED_OPTIONS_FILE_PATH}" ]]; then
+  echo "Expected nanopb options file '${EXPECTED_OPTIONS_FILE_PATH}' missing"
+  exit 3
+fi
+
+readonly GRPC_ROOT=$PWD
+
+pushd "$(dirname $1)" > /dev/null
+
+protoc \
+--plugin=protoc-gen-nanopb="$GRPC_ROOT/third_party/nanopb/generator/protoc-gen-nanopb" \
+--nanopb_out='-L#include\ \"third_party/nanopb/pb.h\"'":$GRPC_ROOT/src/core/proto" \
+"$(basename $1)"
+
+popd > /dev/null