diff options
-rw-r--r-- | third_party/nix/src/nix-daemon/nix-daemon-proto.cc | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/third_party/nix/src/nix-daemon/nix-daemon-proto.cc b/third_party/nix/src/nix-daemon/nix-daemon-proto.cc index b6a5fe358a96..eab10e9572aa 100644 --- a/third_party/nix/src/nix-daemon/nix-daemon-proto.cc +++ b/third_party/nix/src/nix-daemon/nix-daemon-proto.cc @@ -99,6 +99,7 @@ class BuildLogStreambuf final : public std::streambuf { using Writer = grpc::ServerWriter<nix::proto::BuildEvent>; explicit BuildLogStreambuf(Writer* writer) : writer_(writer) {} + // TODO(grfn): buffer with a timeout so we don't have too many messages std::streamsize xsputn(const char_type* s, std::streamsize n) override { nix::proto::BuildEvent event; event.mutable_build_log()->set_line(s, n); @@ -106,6 +107,15 @@ class BuildLogStreambuf final : public std::streambuf { return n; } + int_type overflow(int_type ch) override { + if (ch != traits_type::eof()) { + nix::proto::BuildEvent event; + event.mutable_build_log()->set_line(std::string(1, ch)); + writer_->Write(event); + } + return ch; + } + private: Writer* writer_{}; }; |