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//===-- ConnectionFileDescriptor.h ------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef liblldb_ConnectionFileDescriptor_h_
#define liblldb_ConnectionFileDescriptor_h_
// C++ Includes
#include <memory>
#include "lldb/lldb-forward.h"
// Other libraries and framework includes
// Project includes
#include "lldb/Core/Connection.h"
#include "lldb/Host/Mutex.h"
#include "lldb/Host/Pipe.h"
#include "lldb/Host/Predicate.h"
#include "lldb/Host/IOObject.h"
namespace lldb_private {
class Error;
class Socket;
class SocketAddress;
class ConnectionFileDescriptor :
public Connection
{
public:
ConnectionFileDescriptor ();
ConnectionFileDescriptor (int fd, bool owns_fd);
virtual
~ConnectionFileDescriptor ();
virtual bool
IsConnected () const;
virtual lldb::ConnectionStatus
Connect (const char *s, Error *error_ptr);
virtual lldb::ConnectionStatus
Disconnect (Error *error_ptr);
virtual size_t
Read (void *dst,
size_t dst_len,
uint32_t timeout_usec,
lldb::ConnectionStatus &status,
Error *error_ptr);
virtual size_t
Write (const void *src,
size_t src_len,
lldb::ConnectionStatus &status,
Error *error_ptr);
lldb::ConnectionStatus
BytesAvailable (uint32_t timeout_usec, Error *error_ptr);
bool
InterruptRead ();
lldb::IOObjectSP GetReadObject() { return m_read_sp; }
const lldb::IOObjectSP GetReadObject() const { return m_read_sp; }
uint16_t GetListeningPort(uint32_t timeout_sec);
protected:
void
OpenCommandPipe ();
void
CloseCommandPipe ();
lldb::ConnectionStatus
SocketListen (const char *host_and_port, Error *error_ptr);
lldb::ConnectionStatus
ConnectTCP (const char *host_and_port, Error *error_ptr);
lldb::ConnectionStatus
ConnectUDP (const char *args, Error *error_ptr);
lldb::ConnectionStatus
NamedSocketConnect (const char *socket_name, Error *error_ptr);
lldb::ConnectionStatus
NamedSocketAccept (const char *socket_name, Error *error_ptr);
lldb::IOObjectSP m_read_sp;
lldb::IOObjectSP m_write_sp;
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.
Pipe m_pipe;
Mutex m_mutex;
bool m_shutting_down; // This marks that we are shutting down so if we get woken up from
// BytesAvailable to disconnect, we won't try to read again.
bool m_waiting_for_accept;
private:
DISALLOW_COPY_AND_ASSIGN (ConnectionFileDescriptor);
};
} // namespace lldb_private
#endif // liblldb_ConnectionFileDescriptor_h_
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