feat(cpp): Create initial client

Cargo.toml

@@ -53,7 +53,7 @@ members = [
     "core/tools",
     "examples/rust",
 ]
-exclude = ["foreign/python"]
+exclude = ["foreign/cpp", "foreign/python"]
 resolver = "2"
 
 [workspace.dependencies]

foreign/cpp/.bazelrc

@@ -0,0 +1,41 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you 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.
+
+# Bazel configuration for iggy C++ bindings
+
+# Enable BzlMod
+common --enable_bzlmod
+
+startup --install_base=/tmp/bazel_iggy/install_base
+startup --output_base=/tmp/bazel_iggy/output_base
+common --symlink_prefix=bazel-bin/
+
+# Debug configuration
+build --compilation_mode=dbg
+build --copt=-g3
+build --copt=-ggdb
+build --copt=-O0
+build --copt=-fno-omit-frame-pointer
+build --copt=-DDEBUG
+build --strip=never
+build --linkopt=-g
+
+# Release configuration
+build:release --compilation_mode=opt
+build:release --copt=-O2
+build:release --copt=-DNDEBUG
+build:release --strip=always

foreign/cpp/.clang-format

@@ -0,0 +1,47 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you 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.
+
+---
+BasedOnStyle: Chromium
+Standard: Cpp11
+IndentWidth: 2
+ColumnLimit: 120
+BreakBeforeBraces: Custom
+BraceWrapping:
+  AfterClass: true
+  AfterControlStatement: true
+  AfterEnum: true
+  AfterFunction: true
+  AfterNamespace: true
+  AfterStruct: true
+  AfterUnion: true
+  BeforeCatch: true
+  BeforeElse: true
+  IndentBraces: false
+  SplitEmptyFunction: false
+  SplitEmptyRecord: false
+  SplitEmptyNamespace: false
+  AfterExternBlock: false
+  IndentCaseLabels: true
+  PointerAlignment: Right
+  AlignOperands: true
+  AlignConsecutiveAssignments: true
+  AccessModifierOffset: -2
+  AllowShortCaseLabelsOnASingleLine: false
+  KeepEmptyLinesAtTheStartOfBlocks: true
+  IndentPPDirectives: AfterHash
+  IncludeBlocks: Preserve

foreign/cpp/.gitignore

@@ -0,0 +1 @@
+bazel-*

foreign/cpp/BUILD.bazel

@@ -0,0 +1,119 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you 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.
+
+licenses(["notice"])
+
+load("@rules_cc//cc:defs.bzl", "cc_binary", "cc_import", "cc_library")
+
+genrule(
+    name = "cargo_build",
+    srcs = glob([
+        "src/**/*.rs",
+        "Cargo.toml",
+        "Cargo.lock",
+        "build.rs",
+    ]),
+    tools = [
+        "@rules_rust//tools/upstream_wrapper:cargo",
+    ],
+    outs = [
+        "libiggy_cpp.a",
+        "include/lib.rs.h",
+        "cxxbridge/rust/cxx.h",
+    ],
+    cmd = """
+        set -e
+
+        # 1. Resolve absolute paths for tools and Bazel outputs
+        CARGO="$$(pwd)/$(execpath @rules_rust//tools/upstream_wrapper:cargo)"
+        OUT_LIB="$$(pwd)/$(location libiggy_cpp.a)"
+        OUT_RS="$$(pwd)/$(location include/lib.rs.h)"
+        OUT_CXX="$$(pwd)/$(location cxxbridge/rust/cxx.h)"
+
+        # 2. Switch to the real project directory (foreign/cpp)
+        PROJECT_ROOT="$$(dirname $$(readlink -f $(location Cargo.toml)))"
+        cd "$$PROJECT_ROOT"
+
+        # 3. Configure build profile
+        PROFILE="debug"
+        FLAGS=""
+        if [ "$(COMPILATION_MODE)" = "opt" ]; then
+            PROFILE="release"
+            FLAGS="--release"
+        fi
+
+        # 4. Build: Output to local 'target/' dir (foreign/cpp/target)
+        env -u PWD CARGO_TARGET_DIR="target" "$$CARGO" build $$FLAGS
+
+        # 5. Copy artifacts to Bazel outputs
+        # Note: cxx-build hides headers in hash-based subdirectories
+        cp "target/$$PROFILE/libiggy_cpp.a" "$$OUT_LIB"
+        find "target/$$PROFILE/build" -name lib.rs.h | head -n 1 | xargs -I{} cp {} "$$OUT_RS"
+        find "target/$$PROFILE/build" -name cxx.h    | head -n 1 | xargs -I{} cp {} "$$OUT_CXX"
+    """,
+    local = 1,
+)
+
+cc_import(
+    name = "iggy-cpp-static",
+    static_library = "libiggy_cpp.a",
+)
+
+cc_library(
+    name = "iggy-cpp",
+    srcs = [
+        "src/client.cpp",
+        "src/identifier.cpp",
+        "src/message.cpp",
+        "src/stream_details.cpp",
+        "src/topic_details.cpp",
+    ],
+    hdrs = [
+        "include/iggy.hpp",
+        "include/lib.rs.h",
+        "cxxbridge/rust/cxx.h",
+    ],
+    includes = [
+        "cxxbridge",
+        "include",
+        "src",
+    ],
+    linkopts = [
+        "-ldl",
+        "-lpthread",
+    ] + select({
+        "@platforms//os:macos": [
+            "-framework", "CoreFoundation",
+            "-framework", "Security",
+        ],
+        "//conditions:default": [],
+    }),
+    deps = [
+        ":cargo_build",
+        ":iggy-cpp-static",
+        "@abseil-cpp//absl/numeric:int128",
+    ],
+)
+
+cc_binary(
+    name = "example",
+    srcs = ["examples/example.cpp"],
+    deps = [
+        ":iggy-cpp",
+        "@abseil-cpp//absl/strings:strings",
+    ],
+)