kadircet created this revision.
kadircet added a reviewer: sammccall.
Herald added subscribers: usaxena95, arphaman.
kadircet requested review of this revision.
Herald added subscribers: cfe-commits, MaskRay, ilya-biryukov.
Herald added a project: clang.
By default gRPC has no idletimeout and some firewalls might drop idle
connections after a certain period. This results in idle clients
shouting into void until server resets the connection.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D97536
Files:
clang-tools-extra/clangd/index/remote/server/Server.cpp
Index: clang-tools-extra/clangd/index/remote/server/Server.cpp
===================================================================
--- clang-tools-extra/clangd/index/remote/server/Server.cpp
+++ clang-tools-extra/clangd/index/remote/server/Server.cpp
@@ -80,6 +80,11 @@
"server-address", llvm::cl::init("0.0.0.0:50051"),
llvm::cl::desc("Address of the invoked server. Defaults to
0.0.0.0:50051"));
+llvm::cl::opt<size_t> IdleTimeoutSeconds(
+ "idle-timeout", llvm::cl::init(10),
+ llvm::cl::desc("Maximum time a channel may stay idle until server closes "
+ "the connection, in seconds. Defaults to 10."));
+
static Key<grpc::ServerContext *> CurrentRequest;
class RemoteIndexServer final : public v1::SymbolIndex::Service {
@@ -311,6 +316,8 @@
grpc::ServerBuilder Builder;
Builder.AddListeningPort(ServerAddress.str(),
grpc::InsecureServerCredentials());
+ Builder.AddChannelArgument(GRPC_ARG_MAX_CONNECTION_IDLE_MS,
+ IdleTimeoutSeconds * 1000);
Builder.RegisterService(&Service);
std::unique_ptr<grpc::Server> Server(Builder.BuildAndStart());
log("Server listening on {0}", ServerAddress);
Index: clang-tools-extra/clangd/index/remote/server/Server.cpp
===================================================================
--- clang-tools-extra/clangd/index/remote/server/Server.cpp
+++ clang-tools-extra/clangd/index/remote/server/Server.cpp
@@ -80,6 +80,11 @@
"server-address", llvm::cl::init("0.0.0.0:50051"),
llvm::cl::desc("Address of the invoked server. Defaults to 0.0.0.0:50051"));
+llvm::cl::opt<size_t> IdleTimeoutSeconds(
+ "idle-timeout", llvm::cl::init(10),
+ llvm::cl::desc("Maximum time a channel may stay idle until server closes "
+ "the connection, in seconds. Defaults to 10."));
+
static Key<grpc::ServerContext *> CurrentRequest;
class RemoteIndexServer final : public v1::SymbolIndex::Service {
@@ -311,6 +316,8 @@
grpc::ServerBuilder Builder;
Builder.AddListeningPort(ServerAddress.str(),
grpc::InsecureServerCredentials());
+ Builder.AddChannelArgument(GRPC_ARG_MAX_CONNECTION_IDLE_MS,
+ IdleTimeoutSeconds * 1000);
Builder.RegisterService(&Service);
std::unique_ptr<grpc::Server> Server(Builder.BuildAndStart());
log("Server listening on {0}", ServerAddress);
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