1 files changed, 64 insertions, 0 deletions
diff --git a/tools/run_tests/sanity/check_port_platform.py b/tools/run_tests/sanity/check_port_platform.py
new file mode 100755
index 0000000000..fff828eaee
--- /dev/null
+++ b/tools/run_tests/sanity/check_port_platform.py
@@ -0,0 +1,64 @@
+#!/usr/bin/env python
+
+# Copyright 2017 gRPC authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import os
+import sys
+
+os.chdir(os.path.join(os.path.dirname(sys.argv[0]), '../../..'))
+
+
+def check_port_platform_inclusion(directory_root):
+    bad_files = []
+    for root, dirs, files in os.walk(directory_root):
+        for filename in files:
+            path = os.path.join(root, filename)
+            if os.path.splitext(path)[1] not in ['.c', '.cc', '.h']: continue
+            if path in [
+                    os.path.join('include', 'grpc', 'support',
+                                 'port_platform.h'),
+                    os.path.join('include', 'grpc', 'impl', 'codegen',
+                                 'port_platform.h'),
+            ]:
+                continue
+            if filename.endswith('.pb.h') or filename.endswith('.pb.c'):
+                continue
+            with open(path) as f:
+                all_lines_in_file = f.readlines()
+                for index, l in enumerate(all_lines_in_file):
+                    if '#include' in l:
+                        if l not in [
+                                '#include <grpc/support/port_platform.h>\n',
+                                '#include <grpc/impl/codegen/port_platform.h>\n'
+                        ]:
+                            bad_files.append(path)
+                        elif all_lines_in_file[index + 1] != '\n':
+                            # Require a blank line after including port_platform.h in
+                            # order to prevent the formatter from reording it's
+                            # inclusion order upon future changes.
+                            bad_files.append(path)
+                        break
+    return bad_files
+
+
+all_bad_files = []
+all_bad_files += check_port_platform_inclusion(os.path.join('src', 'core'))
+all_bad_files += check_port_platform_inclusion(os.path.join('include', 'grpc'))
+
+if len(all_bad_files) > 0:
+    for f in all_bad_files:
+        print(('port_platform.h is not the first included header or there '
+               'is not a blank line following its inclusion in %s') % f)
+    sys.exit(1)