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(A number of files not required for the FreeBSD build have been removed.) Sponsored by: DARPA, AFRL
148 lines
4 KiB
C++
148 lines
4 KiB
C++
//===-- ConnectionFileDescriptor.h ------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef liblldb_ConnectionFileDescriptor_h_
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#define liblldb_ConnectionFileDescriptor_h_
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// C Includes
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#ifndef _WIN32
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#include <sys/socket.h>
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#include <sys/types.h>
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#include <netinet/in.h>
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#endif
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// C++ Includes
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#include <memory>
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// Other libraries and framework includes
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// Project includes
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#include "lldb/Core/Connection.h"
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#include "lldb/Host/Mutex.h"
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#include "lldb/Host/Predicate.h"
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namespace lldb_private {
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class SocketAddress;
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class ConnectionFileDescriptor :
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public Connection
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{
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public:
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ConnectionFileDescriptor ();
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ConnectionFileDescriptor (int fd, bool owns_fd);
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virtual
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~ConnectionFileDescriptor ();
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virtual bool
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IsConnected () const;
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virtual lldb::ConnectionStatus
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Connect (const char *s, Error *error_ptr);
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virtual lldb::ConnectionStatus
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Disconnect (Error *error_ptr);
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virtual size_t
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Read (void *dst,
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size_t dst_len,
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uint32_t timeout_usec,
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lldb::ConnectionStatus &status,
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Error *error_ptr);
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virtual size_t
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Write (const void *src,
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size_t src_len,
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lldb::ConnectionStatus &status,
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Error *error_ptr);
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// If the read file descriptor is a socket, then return
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// the port number that is being used by the socket.
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uint16_t
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GetReadPort () const;
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// If the write file descriptor is a socket, then return
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// the port number that is being used by the socket.
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uint16_t
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GetWritePort () const;
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uint16_t
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GetBoundPort (uint32_t timeout_sec);
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protected:
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typedef enum
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{
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eFDTypeFile, // Other FD requireing read/write
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eFDTypeSocket, // Socket requiring send/recv
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eFDTypeSocketUDP // Unconnected UDP socket requiring sendto/recvfrom
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} FDType;
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void
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OpenCommandPipe ();
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void
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CloseCommandPipe ();
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lldb::ConnectionStatus
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BytesAvailable (uint32_t timeout_usec, Error *error_ptr);
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lldb::ConnectionStatus
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SocketListen (const char *host_and_port, Error *error_ptr);
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lldb::ConnectionStatus
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ConnectTCP (const char *host_and_port, Error *error_ptr);
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lldb::ConnectionStatus
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ConnectUDP (const char *args, Error *error_ptr);
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lldb::ConnectionStatus
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NamedSocketAccept (const char *socket_name, Error *error_ptr);
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lldb::ConnectionStatus
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NamedSocketConnect (const char *socket_name, Error *error_ptr);
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lldb::ConnectionStatus
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Close (int& fd, FDType type, Error *error);
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int m_fd_send;
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int m_fd_recv;
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FDType m_fd_send_type;
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FDType m_fd_recv_type;
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std::unique_ptr<SocketAddress> m_udp_send_sockaddr;
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uint32_t m_socket_timeout_usec;
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int m_pipe_read; // A pipe that we select on the reading end of along with
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int m_pipe_write; // m_fd_recv so we can force ourselves out of the select.
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Mutex m_mutex;
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Predicate<uint16_t> m_port_predicate; // Used when binding to port zero to wait for the thread that creates the socket, binds and listens to resolve the port number
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bool m_should_close_fd; // True if this class should close the file descriptor when it goes away.
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bool m_shutting_down; // This marks that we are shutting down so if we get woken up from BytesAvailable
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// to disconnect, we won't try to read again.
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static uint16_t
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GetSocketPort (int fd);
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static int
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GetSocketOption(int fd, int level, int option_name, int &option_value);
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static int
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SetSocketOption(int fd, int level, int option_name, int option_value);
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bool
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SetSocketReceiveTimeout (uint32_t timeout_usec);
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private:
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DISALLOW_COPY_AND_ASSIGN (ConnectionFileDescriptor);
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};
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} // namespace lldb_private
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#endif // liblldb_ConnectionFileDescriptor_h_
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