cf9546b826
Originally added for reproducers, it is now only used for test code. While we could make it a test helper, I think that after #145015 it is simple enough to not be needed. Also squeeze in a change to make ConnectionFileDescriptor accept a unique_ptr<Socket>.
144 lines
4.9 KiB
C++
144 lines
4.9 KiB
C++
//===-- ConnectionFileDescriptorPosix.h -------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLDB_HOST_POSIX_CONNECTIONFILEDESCRIPTORPOSIX_H
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#define LLDB_HOST_POSIX_CONNECTIONFILEDESCRIPTORPOSIX_H
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#include <atomic>
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#include <memory>
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#include <mutex>
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#include "lldb/lldb-forward.h"
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#include "lldb/Host/Pipe.h"
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#include "lldb/Host/Socket.h"
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#include "lldb/Utility/Connection.h"
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namespace lldb_private {
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class Status;
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class ConnectionFileDescriptor : public Connection {
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public:
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typedef llvm::function_ref<void(llvm::StringRef local_socket_id)>
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socket_id_callback_type;
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ConnectionFileDescriptor();
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ConnectionFileDescriptor(int fd, bool owns_fd);
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ConnectionFileDescriptor(std::unique_ptr<Socket> socket_up);
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~ConnectionFileDescriptor() override;
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bool IsConnected() const override;
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lldb::ConnectionStatus Connect(llvm::StringRef url,
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Status *error_ptr) override;
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lldb::ConnectionStatus Connect(llvm::StringRef url,
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socket_id_callback_type socket_id_callback,
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Status *error_ptr);
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lldb::ConnectionStatus Disconnect(Status *error_ptr) override;
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size_t Read(void *dst, size_t dst_len, const Timeout<std::micro> &timeout,
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lldb::ConnectionStatus &status, Status *error_ptr) override;
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size_t Write(const void *src, size_t src_len, lldb::ConnectionStatus &status,
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Status *error_ptr) override;
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std::string GetURI() override;
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lldb::ConnectionStatus BytesAvailable(const Timeout<std::micro> &timeout,
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Status *error_ptr);
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bool InterruptRead() override;
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lldb::IOObjectSP GetReadObject() override { return m_io_sp; }
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protected:
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void OpenCommandPipe();
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void CloseCommandPipe();
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lldb::ConnectionStatus
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AcceptSocket(Socket::SocketProtocol socket_protocol,
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llvm::StringRef socket_name,
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llvm::function_ref<void(Socket &)> post_listen_callback,
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Status *error_ptr);
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lldb::ConnectionStatus ConnectSocket(Socket::SocketProtocol socket_protocol,
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llvm::StringRef socket_name,
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Status *error_ptr);
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lldb::ConnectionStatus AcceptTCP(llvm::StringRef host_and_port,
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socket_id_callback_type socket_id_callback,
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Status *error_ptr);
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lldb::ConnectionStatus ConnectTCP(llvm::StringRef host_and_port,
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socket_id_callback_type socket_id_callback,
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Status *error_ptr);
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lldb::ConnectionStatus ConnectUDP(llvm::StringRef args,
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socket_id_callback_type socket_id_callback,
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Status *error_ptr);
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lldb::ConnectionStatus
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ConnectNamedSocket(llvm::StringRef socket_name,
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socket_id_callback_type socket_id_callback,
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Status *error_ptr);
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lldb::ConnectionStatus
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AcceptNamedSocket(llvm::StringRef socket_name,
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socket_id_callback_type socket_id_callback,
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Status *error_ptr);
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lldb::ConnectionStatus
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AcceptAbstractSocket(llvm::StringRef socket_name,
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socket_id_callback_type socket_id_callback,
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Status *error_ptr);
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lldb::ConnectionStatus
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ConnectAbstractSocket(llvm::StringRef socket_name,
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socket_id_callback_type socket_id_callback,
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Status *error_ptr);
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lldb::ConnectionStatus ConnectFD(llvm::StringRef args,
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socket_id_callback_type socket_id_callback,
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Status *error_ptr);
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lldb::ConnectionStatus ConnectFile(llvm::StringRef args,
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socket_id_callback_type socket_id_callback,
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Status *error_ptr);
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lldb::ConnectionStatus
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ConnectSerialPort(llvm::StringRef args,
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socket_id_callback_type socket_id_callback,
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Status *error_ptr);
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lldb::IOObjectSP m_io_sp;
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Pipe m_pipe;
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std::recursive_mutex m_mutex;
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std::atomic<bool> m_shutting_down; // This marks that we are shutting down so
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// if we get woken up from
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// BytesAvailable to disconnect, we won't try to read again.
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std::string m_uri;
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private:
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ConnectionFileDescriptor(const ConnectionFileDescriptor &) = delete;
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const ConnectionFileDescriptor &
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operator=(const ConnectionFileDescriptor &) = delete;
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};
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} // namespace lldb_private
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#endif // LLDB_HOST_POSIX_CONNECTIONFILEDESCRIPTORPOSIX_H
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