Add shim for Python's gRPC core on Windows

2 files changed, 122 insertions, 0 deletions

diff --git a/templates/src/python/grpcio/grpc/_cython/imports.generated.c.template b/templates/src/python/grpcio/grpc/_cython/imports.generated.c.template
new file mode 100644
index 0000000000..be33280c0c
--- /dev/null
+++ b/templates/src/python/grpcio/grpc/_cython/imports.generated.c.template
@@ -0,0 +1,52 @@
+%YAML 1.2
+--- |
+  /*
+   *
+   * 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.
+   *
+   */
+
+  #include <grpc/support/port_platform.h>
+
+  #include "imports.generated.h"
+
+  #ifdef GPR_WIN32
+
+  %for api in c_apis:
+  ${api.name}_type ${api.name}_import;
+  %endfor
+
+  void pygrpc_load_imports(HMODULE library) {
+  %for api in c_apis:
+    ${api.name}_import = (${api.name}_type) GetProcAddress(library, "${api.name}");
+  %endfor
+  }
+
+  #endif /* !GPR_WIN32 */
diff --git a/templates/src/python/grpcio/grpc/_cython/imports.generated.h.template b/templates/src/python/grpcio/grpc/_cython/imports.generated.h.template
new file mode 100644
index 0000000000..6866a61cae
--- /dev/null
+++ b/templates/src/python/grpcio/grpc/_cython/imports.generated.h.template
@@ -0,0 +1,70 @@
+%YAML 1.2
+--- |
+  /*
+   *
+   * 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.
+   *
+   */
+
+  #ifndef PYGRPC_CYTHON_WINDOWS_IMPORTS_H_
+  #define PYGRPC_CYTHON_WINDOWS_IMPORTS_H_
+
+  #include <grpc/support/port_platform.h>
+
+  #ifdef GPR_WIN32
+
+  #include <windows.h>
+
+  %for header in sorted(set(api.header for api in c_apis)):
+  #include <${'/'.join(header.split('/')[1:])}>
+  %endfor
+
+  %for api in c_apis:
+  typedef ${api.return_type}(*${api.name}_type)(${api.arguments});
+  extern ${api.name}_type ${api.name}_import;
+  #define ${api.name} ${api.name}_import
+  %endfor
+
+  void pygrpc_load_imports(HMODULE library);
+
+  #else /* !GPR_WIN32 */
+
+  #include <grpc/support/alloc.h>
+  #include <grpc/support/slice.h>
+  #include <grpc/support/time.h>
+  #include <grpc/status.h>
+  #include <grpc/byte_buffer.h>
+  #include <grpc/byte_buffer_reader.h>
+  #include <grpc/grpc.h>
+  #include <grpc/grpc_security.h>
+
+  #endif /* !GPR_WIN32 */
+
+  #endif