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//===-- ConnectionFileDescriptorPosix.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_Host_posix_ConnectionFileDescriptorPosix_h_
#define liblldb_Host_posix_ConnectionFileDescriptorPosix_h_
// C++ Includes
#include <atomic>
#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(bool child_processes_inherit = false);
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);
bool GetChildProcessesInherit() const;
void SetChildProcessesInherit(bool child_processes_inherit);
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;
std::atomic<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;
bool m_child_processes_inherit;
private:
DISALLOW_COPY_AND_ASSIGN(ConnectionFileDescriptor);
};
} // namespace lldb_private
#endif // liblldb_ConnectionFileDescriptor_h_
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