Function RequestPIDFDPacket

Source/Common/FEXServerClient.cpp:42–68

}

int RequestPIDFDPacket(int ServerSocket, PacketType Type) {
  fasio::tcp_socket Socket {ServerSocket};
  FEXServerRequestPacket Req {
    .Header {
      .Type = Type,
    },
  };

  // Send request
  fasio::error ec;
  write(Socket, fasio::mutable_buffer {std::as_writable_bytes(std::span {&Req, 1})}, ec);
  if (ec != fasio::error::success) {
    return -1;
  }

  // Wait for success response and log FD
  FEXServerResultPacket Res {};
  fasio::mutable_buffer ResBuffer {std::as_writable_bytes(std::span {&Res, 1})};
  int NewFD = -1;
  ResBuffer.FD = &NewFD;
  read(Socket, ResBuffer, ec);
  if (ec != fasio::error::success || Res.Header.Type != PacketType::TYPE_SUCCESS) {
    return -1;
  }

  return NewFD;
}

static int ServerFD {-1};