Initialize gNPSI repo: Add relay service and server implementation.

PiperOrigin-RevId: 608751064

.bazelrc

@@ -0,0 +1,6 @@
+build --cxxopt='-std=c++17' --host_cxxopt='-std=c++17'
+run --cxxopt='-std=c++17' --host_cxxopt='-std=c++17'
+
+# To allow loops with int and comparison against a .size() that's size_t.
+build --copt='-Wno-sign-compare' --host_copt='-Wno-sign-compare'
+run --copt='-Wno-sign-compare' --host_copt='-Wno-sign-compare'

.bazelversion

@@ -0,0 +1 @@
+6.4.0

.github/workflows/ci-cpp-build-gnmi.yml → .github/workflows/ci-cpp-build.yml

@@ -31,8 +31,8 @@ jobs:
           bazel-${{ runner.os }}-build-
     - name: Install bazelisk
       run: |
-        curl -LO "https://github.com/bazelbuild/bazelisk/releases/download/v1.8.1/$BAZEL"
+        curl -LO "https://github.com/bazelbuild/bazelisk/releases/download/v1.17.0/$BAZEL"
         chmod +x $BAZEL
         sudo mv $BAZEL /usr/local/bin/bazel
     - name: Build
-      run: bazel build //...
+      run: bazel build //...

BUILD.bazel

@@ -1,4 +1,4 @@
-# Copyright 2021 Google LLC
+# Copyright 2024 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

LICENSE

@@ -199,4 +199,4 @@
    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.
+   limitations under the License.

WORKSPACE.bazel

@@ -1,4 +1,4 @@
-# Copyright 2021 Google LLC
+# Copyright 2024 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -21,10 +21,47 @@ load("gnpsi_deps.bzl", "gnpsi_deps")
 
 gnpsi_deps()
 
+# -- Load GRPC Dependencies ----------------------------------------------------
+load("@com_google_googleapis//:repository_rules.bzl", "switched_rules_by_language")
+
+switched_rules_by_language(
+    name = "com_google_googleapis_imports",
+    cc = True,
+    grpc = True,
+    go = True,
+)
+
 load("@com_github_grpc_grpc//bazel:grpc_deps.bzl", "grpc_deps")
 
 grpc_deps()
 
 load("@com_github_grpc_grpc//bazel:grpc_extra_deps.bzl", "grpc_extra_deps")
 
 grpc_extra_deps()
+
+# -- Load Protobuf -------------------------------------------------------------
+
+load("@com_google_protobuf//:protobuf_deps.bzl", "protobuf_deps")
+
+protobuf_deps()
+
+load("@rules_proto//proto:repositories.bzl", "rules_proto_dependencies", "rules_proto_toolchains")
+
+rules_proto_dependencies()
+
+rules_proto_toolchains()
+
+
+
+### Bazel rules for many languages to compile PROTO into gRPC libraries
+http_archive(
+    name = "rules_proto_grpc",
+    sha256 = "bbe4db93499f5c9414926e46f9e35016999a4e9f6e3522482d3760dc61011070",
+    strip_prefix = "rules_proto_grpc-4.2.0",
+    urls = ["https://github.com/rules-proto-grpc/rules_proto_grpc/archive/4.2.0.tar.gz"],
+)
+
+load("@rules_proto_grpc//:repositories.bzl", "rules_proto_grpc_repos", "rules_proto_grpc_toolchains")
+
+rules_proto_grpc_toolchains()
+rules_proto_grpc_repos()

bazel/patches/grpc-001-fix_file_watcher_race_condition.patch

@@ -0,0 +1,12 @@
+diff --git a/src/core/lib/iomgr/load_file.cc b/src/core/lib/iomgr/load_file.cc
+index 9068670118..a4d9bc95b2 100644
+--- a/src/core/lib/iomgr/load_file.cc
++++ b/src/core/lib/iomgr/load_file.cc
+@@ -55,7 +55,6 @@ grpc_error_handle grpc_load_file(const char* filename, int add_null_terminator,
+   if (bytes_read < contents_size) {
+     gpr_free(contents);
+     error = GRPC_OS_ERROR(errno, "fread");
+-    GPR_ASSERT(ferror(file));
+     goto end;
+   }
+   if (add_null_terminator) {

compile_protos.sh

@@ -5,7 +5,7 @@
 # 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
+#    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,
@@ -15,11 +15,10 @@
 #
 
 #!/bin/bash
-set -euo pipefail
 
 
-# Go
-for p in gnpsi; do
-  protoc --go-grpc_out=. --go-grpc_opt=paths=source_relative --go_out=. --go_opt=paths=source_relative proto/$p/$p.proto
-done
+# Cpp
+PROTO_DIR="proto/gnpsi"
+protoc -I $PROTO_DIR --grpc_out=$PROTO_DIR --plugin=protoc-gen-grpc=`which grpc_cpp_plugin` $PROTO_DIR/gnpsi.proto
+protoc -I $PROTO_DIR --cpp_out=$PROTO_DIR $PROTO_DIR/gnpsi.proto
 

gnpsi_deps.bzl

@@ -1,4 +1,4 @@
-# Copyright 2021 Google LLC
+# Copyright 2024 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -21,31 +21,64 @@ def gnpsi_deps():
     if not native.existing_rule("com_github_grpc_grpc"):
         http_archive(
             name = "com_github_grpc_grpc",
-            url = "https://github.com/grpc/grpc/archive/refs/tags/v1.43.2.tar.gz",
-            strip_prefix = "grpc-1.43.2",
-            sha256 = "b74ce7d26fe187970d1d8e2c06a5d3391122f7bc1fdce569aff5e435fb8fe780",
+            url = "https://github.com/grpc/grpc/archive/v1.61.0.zip",
+            strip_prefix = "grpc-1.61.0",
+            sha256 = "ba6c53c3924a1d01c663352010e0f73736bad3d99d72108e0f2b1a6466f9be20",
+            patch_args = ["-p1"],
+            patches = [
+                "@com_github_openconfig_gnpsi//:bazel/patches/grpc-001-fix_file_watcher_race_condition.patch",
+            ],
+        )
+    if not native.existing_rule("com_google_absl"):
+        http_archive(
+            name = "com_google_absl",
+            url = "https://github.com/abseil/abseil-cpp/archive/20230802.0.tar.gz",
+            strip_prefix = "abseil-cpp-20230802.0",
+            sha256 = "59d2976af9d6ecf001a81a35749a6e551a335b949d34918cfade07737b9d93c5",
+        )
+    if not native.existing_rule("com_google_googletest"):
+        http_archive(
+            name = "com_google_googletest",
+            urls = ["https://github.com/google/googletest/archive/release-1.11.0.tar.gz"],
+            strip_prefix = "googletest-release-1.11.0",
+            sha256 = "b4870bf121ff7795ba20d20bcdd8627b8e088f2d1dab299a031c1034eddc93d5",
         )
     if not native.existing_rule("com_google_protobuf"):
         http_archive(
             name = "com_google_protobuf",
-            url = "https://github.com/protocolbuffers/protobuf/releases/download/v3.19.4/protobuf-all-3.19.4.tar.gz",
-            strip_prefix = "protobuf-3.19.4",
-            sha256 = "ba0650be1b169d24908eeddbe6107f011d8df0da5b1a5a4449a913b10e578faf",
+            url = "https://github.com/protocolbuffers/protobuf/archive/refs/tags/v25.2.zip",
+            strip_prefix = "protobuf-25.2",
+            sha256 = "ddd0f5271f31b549efc74eb39061e142132653d5d043071fcec265bd571e73c4",
         )
     if not native.existing_rule("com_google_googleapis"):
         http_archive(
             name = "com_google_googleapis",
-            url = "https://github.com/googleapis/googleapis/archive/ccb9d245ddac58b8d4ad918e6a914e841a64cc28.zip",
-            strip_prefix = "googleapis-ccb9d245ddac58b8d4ad918e6a914e841a64cc28",
-            sha256 = "feca5804fa0af2bc48d041a8b6e0356fb9e4848b3dd6ee74ab847022e90c69ff",
+            url = "https://github.com/googleapis/googleapis/archive/f405c718d60484124808adb7fb5963974d654bb4.zip",
+            strip_prefix = "googleapis-f405c718d60484124808adb7fb5963974d654bb4",
+            sha256 = "406b64643eede84ce3e0821a1d01f66eaf6254e79cb9c4f53be9054551935e79",
+        )
+    if not native.existing_rule("com_github_google_glog"):
+        http_archive(
+            name = "com_github_google_glog",
+            url = "https://github.com/google/glog/archive/v0.6.0.tar.gz",
+            strip_prefix = "glog-0.6.0",
+            sha256 = "8a83bf982f37bb70825df71a9709fa90ea9f4447fb3c099e1d720a439d88bad6",
+        )
+
+    # Needed to make glog happy.
+    if not native.existing_rule("com_github_gflags_gflags"):
+        http_archive(
+            name = "com_github_gflags_gflags",
+            url = "https://github.com/gflags/gflags/archive/v2.2.2.tar.gz",
+            strip_prefix = "gflags-2.2.2",
+            sha256 = "34af2f15cf7367513b352bdcd2493ab14ce43692d2dcd9dfc499492966c64dcf",
         )
     if not native.existing_rule("rules_proto"):
         http_archive(
             name = "rules_proto",
-            sha256 = "66bfdf8782796239d3875d37e7de19b1d94301e8972b3cbd2446b332429b4df1",
-            strip_prefix = "rules_proto-4.0.0",
             urls = [
-                "https://mirror.bazel.build/github.com/bazelbuild/rules_proto/archive/refs/tags/4.0.0.tar.gz",
-                "https://github.com/bazelbuild/rules_proto/archive/refs/tags/4.0.0.tar.gz",
+                "https://github.com/bazelbuild/rules_proto/archive/5.3.0-21.7.tar.gz",
             ],
+            strip_prefix = "rules_proto-5.3.0-21.7",
+            sha256 = "dc3fb206a2cb3441b485eb1e423165b231235a1ea9b031b4433cf7bc1fa460dd",
         )

proto/gnpsi/BUILD.bazel

@@ -1,4 +1,4 @@
-# Copyright 2021 Google LLC
+# Copyright 2024 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -12,11 +12,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-# Supporting infrastructure for implementing and testing PINS.
-#
 
 load("@com_github_grpc_grpc//bazel:cc_grpc_library.bzl", "cc_grpc_library")
 
+# gnpsi defines a gRPC-based network packet sampling interface implemented on
+# vendor network elements. It provides mechanisms for streaming packet
+# samples/updates from the network element.
 package(
     default_visibility = ["//visibility:public"],
     licenses = ["notice"],
@@ -25,10 +26,21 @@ package(
 proto_library(
     name = "gnpsi_proto",
     srcs = ["gnpsi.proto"],
-    import_prefix = "github.com/openconfig/gnpsi",
+    deps = [
+        "@com_google_protobuf//:any_proto",
+        "@com_google_protobuf//:descriptor_proto",
+    ],
 )
 
 cc_proto_library(
     name = "gnpsi_cc_proto",
     deps = [":gnpsi_proto"],
 )
+
+cc_grpc_library(
+    name = "gnpsi_grpc_proto",
+    srcs = [":gnpsi_proto"],
+    generate_mocks = True,
+    grpc_only = ["True"],
+    deps = [":gnpsi_cc_proto"],
+)