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//===-- GDBRemoteCommunicationServer.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_GDBRemoteCommunicationServer_h_
#define liblldb_GDBRemoteCommunicationServer_h_
// C Includes
// C++ Includes
#include <vector>
#include <set>
// Other libraries and framework includes
// Project includes
#include "lldb/Host/Mutex.h"
#include "lldb/Target/Process.h"
#include "GDBRemoteCommunication.h"
class ProcessGDBRemote;
class StringExtractorGDBRemote;
class GDBRemoteCommunicationServer : public GDBRemoteCommunication
{
public:
typedef std::map<uint16_t, lldb::pid_t> PortMap;
enum
{
eBroadcastBitRunPacketSent = kLoUserBroadcastBit
};
//------------------------------------------------------------------
// Constructors and Destructors
//------------------------------------------------------------------
GDBRemoteCommunicationServer(bool is_platform);
GDBRemoteCommunicationServer(bool is_platform,
const lldb::PlatformSP& platform_sp);
virtual
~GDBRemoteCommunicationServer();
bool
GetPacketAndSendResponse (uint32_t timeout_usec,
lldb_private::Error &error,
bool &interrupt,
bool &quit);
virtual bool
GetThreadSuffixSupported ()
{
return true;
}
// After connecting, do a little handshake with the client to make sure
// we are at least communicating
bool
HandshakeWithClient (lldb_private::Error *error_ptr);
// Set both ports to zero to let the platform automatically bind to
// a port chosen by the OS.
void
SetPortMap (PortMap &&port_map)
{
m_port_map = port_map;
}
//----------------------------------------------------------------------
// If we are using a port map where we can only use certain ports,
// get the next available port.
//
// If we are using a port map and we are out of ports, return UINT16_MAX
//
// If we aren't using a port map, return 0 to indicate we should bind to
// port 0 and then figure out which port we used.
//----------------------------------------------------------------------
uint16_t
GetNextAvailablePort ()
{
if (m_port_map.empty())
return 0; // Bind to port zero and get a port, we didn't have any limitations
for (auto &pair : m_port_map)
{
if (pair.second == LLDB_INVALID_PROCESS_ID)
{
pair.second = ~(lldb::pid_t)LLDB_INVALID_PROCESS_ID;
return pair.first;
}
}
return UINT16_MAX;
}
bool
AssociatePortWithProcess (uint16_t port, lldb::pid_t pid)
{
PortMap::iterator pos = m_port_map.find(port);
if (pos != m_port_map.end())
{
pos->second = pid;
return true;
}
return false;
}
bool
FreePort (uint16_t port)
{
PortMap::iterator pos = m_port_map.find(port);
if (pos != m_port_map.end())
{
pos->second = LLDB_INVALID_PROCESS_ID;
return true;
}
return false;
}
bool
FreePortForProcess (lldb::pid_t pid)
{
if (!m_port_map.empty())
{
for (auto &pair : m_port_map)
{
if (pair.second == pid)
{
pair.second = LLDB_INVALID_PROCESS_ID;
return true;
}
}
}
return false;
}
void
SetPortOffset (uint16_t port_offset)
{
m_port_offset = port_offset;
}
//------------------------------------------------------------------
/// Specify the program to launch and its arguments.
///
/// The LaunchProcess () command can be executed to do the lauching.
///
/// @param[in] args
/// The command line to launch.
///
/// @param[in] argc
/// The number of elements in the args array of cstring pointers.
///
/// @return
/// An Error object indicating the success or failure of making
/// the setting.
//------------------------------------------------------------------
lldb_private::Error
SetLaunchArguments (const char *const args[], int argc);
//------------------------------------------------------------------
/// Specify the launch flags for the process.
///
/// The LaunchProcess () command can be executed to do the lauching.
///
/// @param[in] launch_flags
/// The launch flags to use when launching this process.
///
/// @return
/// An Error object indicating the success or failure of making
/// the setting.
//------------------------------------------------------------------
lldb_private::Error
SetLaunchFlags (unsigned int launch_flags);
//------------------------------------------------------------------
/// Launch a process with the current launch settings.
///
/// This method supports running an lldb-gdbserver or similar
/// server in a situation where the startup code has been provided
/// with all the information for a child process to be launched.
///
/// @return
/// An Error object indicating the success or failure of the
/// launch.
//------------------------------------------------------------------
lldb_private::Error
LaunchProcess ();
protected:
lldb::PlatformSP m_platform_sp;
lldb::thread_t m_async_thread;
lldb_private::ProcessLaunchInfo m_process_launch_info;
lldb_private::Error m_process_launch_error;
std::set<lldb::pid_t> m_spawned_pids;
lldb_private::Mutex m_spawned_pids_mutex;
lldb_private::ProcessInstanceInfoList m_proc_infos;
uint32_t m_proc_infos_index;
PortMap m_port_map;
uint16_t m_port_offset;
PacketResult
SendUnimplementedResponse (const char *packet);
PacketResult
SendErrorResponse (uint8_t error);
PacketResult
SendOKResponse ();
PacketResult
Handle_A (StringExtractorGDBRemote &packet);
PacketResult
Handle_qLaunchSuccess (StringExtractorGDBRemote &packet);
PacketResult
Handle_qHostInfo (StringExtractorGDBRemote &packet);
PacketResult
Handle_qLaunchGDBServer (StringExtractorGDBRemote &packet);
PacketResult
Handle_qKillSpawnedProcess (StringExtractorGDBRemote &packet);
PacketResult
Handle_k (StringExtractorGDBRemote &packet);
PacketResult
Handle_qPlatform_mkdir (StringExtractorGDBRemote &packet);
PacketResult
Handle_qPlatform_chmod (StringExtractorGDBRemote &packet);
PacketResult
Handle_qProcessInfoPID (StringExtractorGDBRemote &packet);
PacketResult
Handle_qfProcessInfo (StringExtractorGDBRemote &packet);
PacketResult
Handle_qsProcessInfo (StringExtractorGDBRemote &packet);
PacketResult
Handle_qC (StringExtractorGDBRemote &packet);
PacketResult
Handle_qUserName (StringExtractorGDBRemote &packet);
PacketResult
Handle_qGroupName (StringExtractorGDBRemote &packet);
PacketResult
Handle_qSpeedTest (StringExtractorGDBRemote &packet);
PacketResult
Handle_QEnvironment (StringExtractorGDBRemote &packet);
PacketResult
Handle_QLaunchArch (StringExtractorGDBRemote &packet);
PacketResult
Handle_QSetDisableASLR (StringExtractorGDBRemote &packet);
PacketResult
Handle_QSetWorkingDir (StringExtractorGDBRemote &packet);
PacketResult
Handle_qGetWorkingDir (StringExtractorGDBRemote &packet);
PacketResult
Handle_QStartNoAckMode (StringExtractorGDBRemote &packet);
PacketResult
Handle_QSetSTDIN (StringExtractorGDBRemote &packet);
PacketResult
Handle_QSetSTDOUT (StringExtractorGDBRemote &packet);
PacketResult
Handle_QSetSTDERR (StringExtractorGDBRemote &packet);
PacketResult
Handle_vFile_Open (StringExtractorGDBRemote &packet);
PacketResult
Handle_vFile_Close (StringExtractorGDBRemote &packet);
PacketResult
Handle_vFile_pRead (StringExtractorGDBRemote &packet);
PacketResult
Handle_vFile_pWrite (StringExtractorGDBRemote &packet);
PacketResult
Handle_vFile_Size (StringExtractorGDBRemote &packet);
PacketResult
Handle_vFile_Mode (StringExtractorGDBRemote &packet);
PacketResult
Handle_vFile_Exists (StringExtractorGDBRemote &packet);
PacketResult
Handle_vFile_symlink (StringExtractorGDBRemote &packet);
PacketResult
Handle_vFile_unlink (StringExtractorGDBRemote &packet);
PacketResult
Handle_vFile_Stat (StringExtractorGDBRemote &packet);
PacketResult
Handle_vFile_MD5 (StringExtractorGDBRemote &packet);
PacketResult
Handle_qPlatform_shell (StringExtractorGDBRemote &packet);
private:
bool
DebugserverProcessReaped (lldb::pid_t pid);
static bool
ReapDebugserverProcess (void *callback_baton,
lldb::pid_t pid,
bool exited,
int signal,
int status);
bool
DebuggedProcessReaped (lldb::pid_t pid);
static bool
ReapDebuggedProcess (void *callback_baton,
lldb::pid_t pid,
bool exited,
int signal,
int status);
bool
KillSpawnedProcess (lldb::pid_t pid);
//------------------------------------------------------------------
// For GDBRemoteCommunicationServer only
//------------------------------------------------------------------
DISALLOW_COPY_AND_ASSIGN (GDBRemoteCommunicationServer);
};
#endif // liblldb_GDBRemoteCommunicationServer_h_
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