Feature: Support using trpc protocol at remote side (#124)

- import remote side trpc.proto at "trpc/trpc.proto" file.
- use remote side trpc_options.proto instead local one.
- intergate remote trpc protocol repo with bazel and cmake compiling progress.

CMakeLists.txt

@@ -107,6 +107,11 @@ endif()
 set(TRPC_INSTALL_PATH_PREFIX  ${TRPC_CMAKE_INSTALL_DEFAULT_PREFIX}/trpc-${TRPC_VERSION}/)
 set(CMAKE_INSTALL_PREFIX ${TRPC_INSTALL_PATH_PREFIX})
 
+#---------------------------------------------------------------------------------------
+# tRPC Protocol
+#---------------------------------------------------------------------------------------
+include(trpc_protocol)
+
 # Print tRPC-Cpp version
 message(STATUS "Build tRPC-Cpp: v${TRPC_VERSION}")
 
@@ -203,6 +208,7 @@ add_subdirectory(${TRPC_ROOT_PATH}/trpc/tools/flatbuffers_tool/)
 #---------------------------------------------------------------------------------------
 set(GEN_PB_PROTO_FILES ${TRPC_ROOT_PATH}/trpc/codec/trpc/trpc.proto
                        ${TRPC_ROOT_PATH}/trpc/proto/trpc.proto
+                       ${TRPC_ROOT_PATH}/trpc/trpc.proto
                        ${TRPC_ROOT_PATH}/trpc/proto/trpc_options.proto
                        ${TRPC_ROOT_PATH}/trpc/tools/comm/trpc_cpp_options.proto)
 

cmake/trpc_protocol.cmake

@@ -0,0 +1,35 @@
+#
+#
+# Tencent is pleased to support the open source community by making tRPC available.
+#
+# Copyright (C) 2024 THL A29 Limited, a Tencent company.
+# All rights reserved.
+#
+# If you have downloaded a copy of the tRPC source code from Tencent,
+# please note that tRPC source code is licensed under the  Apache 2.0 License,
+# A copy of the Apache 2.0 License is included in this file.
+#
+#
+
+# 下载外部依赖源文件需要使用到cmake的FetchContent命令
+include(FetchContent)
+
+# 定义外部库的版本
+set(TRPC_PROTOCOL_GIT_VER v1.0.0)
+set(TRPC_PROTOCOL_GIT_URL https://github.com/trpc-group/trpc.git)
+
+FetchContent_Declare(
+    com_github_trpc_protocol
+    GIT_REPOSITORY    ${TRPC_PROTOCOL_GIT_URL}
+    GIT_TAG           ${TRPC_PROTOCOL_GIT_VER}
+    SOURCE_DIR  ${TRPC_ROOT_PATH}/cmake_third_party/trpc_protocol #指定库源文件下载的目录
+)
+FetchContent_GetProperties(com_github_trpc_protocol)
+
+if(NOT com_github_trpc_protocol_POPULATED)
+    FetchContent_Populate(com_github_trpc_protocol)
+    execute_process(COMMAND cp -fp ${TRPC_ROOT_PATH}/cmake_third_party/trpc_protocol/trpc/trpc.proto .
+                    WORKING_DIRECTORY ${TRPC_ROOT_PATH}/trpc)
+    execute_process(COMMAND cp -fp ${TRPC_ROOT_PATH}/cmake_third_party/trpc_protocol/trpc/proto/trpc_options.proto .
+                    WORKING_DIRECTORY ${TRPC_ROOT_PATH}/trpc/proto)
+endif()

test/end2end/unary/http/BUILD

@@ -89,7 +89,7 @@ trpc_proto_library(
     name = "http_rpc_proto",
     srcs = ["http_rpc.proto"],
     native_proto_deps = [
-        "@trpc_cpp//trpc/proto:trpc_options_proto",
+        "@com_github_trpc_protocol//trpc/proto:trpc_options_proto",
     ],
     use_trpc_plugin = True,
 )

trpc/proto/BUILD

@@ -9,24 +9,8 @@ package(
 
 proto_library(
     name = "trpc_proto",
-    srcs = [
-        "trpc.proto",
-    ],
-)
-
-proto_library(
-    name = "trpc_options_proto",
-    srcs = [
-        "trpc_options.proto",
-    ],
-    deps = [
-        "@com_google_protobuf//:descriptor_proto",
-    ],
-)
-
-cc_proto_library(
-    name = "cc_trpc_options_proto",
+    srcs = ["trpc.proto"],
     deps = [
-        ":trpc_options_proto",
+        "@com_github_trpc_protocol//trpc:trpc_proto",
     ],
 )