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//===--- Monitor.cpp - Request server monitoring information through CLI --===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "MonitoringService.grpc.pb.h"
#include "MonitoringService.pb.h"
#include "support/Logger.h"
#include "clang/Basic/Version.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Signals.h"
#include <chrono>
#include <google/protobuf/util/json_util.h>
#include <grpc++/grpc++.h>
namespace clang {
namespace clangd {
namespace remote {
namespace {
static constexpr char Overview[] = R"(
This tool requests monitoring information (uptime, index freshness) from the
server and prints it to stdout.
)";
llvm::cl::opt<std::string>
ServerAddress("server-address", llvm::cl::Positional,
llvm::cl::desc("Address of the invoked server."),
llvm::cl::Required);
} // namespace
} // namespace remote
} // namespace clangd
} // namespace clang
int main(int argc, char *argv[]) {
using namespace clang::clangd::remote;
llvm::cl::ParseCommandLineOptions(argc, argv, Overview);
llvm::sys::PrintStackTraceOnErrorSignal(argv[0]);
const auto Channel =
grpc::CreateChannel(ServerAddress, grpc::InsecureChannelCredentials());
const auto Stub = clang::clangd::remote::v1::Monitor::NewStub(Channel);
grpc::ClientContext Context;
Context.set_deadline(std::chrono::system_clock::now() +
std::chrono::seconds(10));
Context.AddMetadata("version", clang::getClangToolFullVersion("clangd"));
const clang::clangd::remote::v1::MonitoringInfoRequest Request;
clang::clangd::remote::v1::MonitoringInfoReply Response;
const auto Status = Stub->MonitoringInfo(&Context, Request, &Response);
if (!Status.ok()) {
clang::clangd::elog("Can not request monitoring information ({0}): {1}\n",
Status.error_code(), Status.error_message());
return -1;
}
std::string Output;
google::protobuf::util::JsonPrintOptions Options;
Options.add_whitespace = true;
Options.always_print_primitive_fields = true;
Options.preserve_proto_field_names = true;
const auto JsonStatus =
google::protobuf::util::MessageToJsonString(Response, &Output, Options);
if (!JsonStatus.ok()) {
clang::clangd::elog("Can not convert response ({0}) to JSON ({1}): {2}\n",
Response.DebugString(), (int)JsonStatus.code(),
JsonStatus.message().as_string());
return -1;
}
llvm::outs() << Output;
}
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