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"""Generates and compiles C++ grpc stubs from proto_library rules."""
load("//:bazel/generate_cc.bzl", "generate_cc")
def cc_grpc_library(name, srcs, deps, **kwargs):
"""Generates C++ grpc classes from a .proto file.
Assumes the generated classes will be used in cc_api_version = 2.
Arguments:
name: name of rule.
srcs: a single proto_library, which wraps the .proto files with services.
deps: a list of C++ proto_library (or cc_proto_library) which provides
the compiled code of any message that the services depend on.
**kwargs: rest of arguments, e.g., compatible_with and visibility.
"""
if len(srcs) > 1:
fail("Only one srcs value supported", "srcs")
codegen_target = "_" + name + "_codegen"
generate_cc(
name = codegen_target,
srcs = srcs,
plugin = "//external:grpc_cpp_plugin",
**kwargs
)
native.cc_library(
name = name,
srcs = [":" + codegen_target],
hdrs = [":" + codegen_target],
deps = deps + ["//external:grpc++"],
**kwargs
)
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