1 files changed, 0 insertions, 130 deletions
diff --git a/src/prefetcher/prefetcher_daemon.h b/src/prefetcher/prefetcher_daemon.h
deleted file mode 100644
index 693f871..0000000
--- a/src/prefetcher/prefetcher_daemon.h
+++ /dev/null
@@ -1,130 +0,0 @@
-// Copyright (C) 2019 The Android Open Source Project
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#ifndef PREFETCHER_DAEMON_H_
-#define PREFETCHER_DAEMON_H_
-
-#include "prefetcher/session_manager.h"
-
-#include <memory>
-#include <optional>
-#include <ostream>
-
-namespace iorap {
-namespace prefetcher {
-
-struct PrefetcherForkParameters {
-  int input_fd;
-  int output_fd;
-  bool use_sockets;  // use the socket path instead of simpler read/write path.
-  bool format_text;  // true=>text, false=>binary
-};
-
-inline std::ostream& operator<<(std::ostream& os, const PrefetcherForkParameters& p) {
-  os << "PrefetcherForkParameters{";
-  os << "input_fd=" << p.input_fd << ",";
-  os << "output_fd=" << p.output_fd << ",";
-  os << "format_text=" << p.format_text << ",";
-  os << "use_sockets=" << p.use_sockets << ",";
-  os << "}";
-  return os;
-}
-
-
-#ifndef READ_AHEAD_KIND
-enum class ReadAheadKind : uint32_t {
-  kFadvise = 0,
-  kMmapLocked = 1,
-  kMlock = 2,
-};
-#define READ_AHEAD_KIND 1
-#endif
-
-std::ostream& operator<<(std::ostream& os, ReadAheadKind k);
-
-enum class CommandChoice : uint32_t {
-  kRegisterFilePath,   // kRegisterFilePath <sid:uint32> <id:uint32> <path:c-string>
-  kUnregisterFilePath, // kUnregisterFilePath <sid:uint32> <id:uint32>
-  kReadAhead,          // kReadAhead <sid:uint32> <id:uint32> <kind:uint32_t> <length:uint64> <offset:uint64>
-  kExit,               // kExit
-  kCreateSession,      // kCreateSession <sid:uint32> <description:c-string>
-  kDestroySession,     // kDestroySession <sid:uint32>
-  kDumpSession,        // kDumpSession <sid:uint32>
-  kDumpEverything,     // kDumpEverything
-  kCreateFdSession,    // kCreateFdSession $CMSG{<fd:int>} <sid:uint32> <description:c-string>
-};
-
-struct Command {
-  CommandChoice choice;
-  uint32_t session_id;
-  uint32_t id;  // file_path_id
-  std::optional<std::string> file_path;  // required for choice=kRegisterFilePath.
-  // also serves as the description for choice=kCreateSession
-
-  // choice=kReadAhead
-  ReadAheadKind read_ahead_kind;
-  uint64_t length;
-  uint64_t offset;
-
-  std::optional<int> fd;  // only valid in kCreateFdSession.
-
-  // Deserialize from a char buffer.
-  // This can only fail if buf_size is too small.
-  static std::optional<Command> Read(char* buf, size_t buf_size, /*out*/size_t* consumed_bytes);
-  // Serialize to a char buffer.
-  // This can only fail if the buf_size is too small.
-  bool Write(char* buf, size_t buf_size, /*out*/size_t* produced_bytes) const;
-
-  bool RequiresFd() const {
-    return choice == CommandChoice::kCreateFdSession;
-  }
-};
-
-std::ostream& operator<<(std::ostream& os, const Command& command);
-
-class PrefetcherDaemon {
- public:
-  PrefetcherDaemon();
-  ~PrefetcherDaemon();
-
-  // Asynchronously launch a new fork.
-  //
-  // The destructor will waitpid automatically on the child process.
-  bool StartViaFork(PrefetcherForkParameters params);
-
-  // Launch a new fork , returning the pipes as input/output fds.
-  std::optional<PrefetcherForkParameters> StartPipesViaFork();
-
-  // Launch a new fork , returning the socket pair as input/output fds.
-  std::optional<PrefetcherForkParameters> StartSocketViaFork();
-
-  // Execute the main code in-process.
-  //
-  // Intended as the execve target.
-  bool Main(PrefetcherForkParameters params);
-
-  // Send a command via IPC.
-  // The caller must be the parent process after using StartViaFork.
-  bool SendCommand(const Command& command);
-
- private:
-  class Impl;
-  std::unique_ptr<PrefetcherDaemon::Impl> impl_;
-};
-
-}  // namespace prefetcher
-}  // namespace iorap
-
-#endif
-