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//===-- GDBRemoteCommunicationServerPlatform.h ------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef liblldb_GDBRemoteCommunicationServerPlatform_h_
#define liblldb_GDBRemoteCommunicationServerPlatform_h_
#include <map>
#include <mutex>
#include <set>
#include "GDBRemoteCommunicationServerCommon.h"
#include "lldb/Host/Socket.h"
namespace lldb_private {
namespace process_gdb_remote {
class GDBRemoteCommunicationServerPlatform
: public GDBRemoteCommunicationServerCommon {
public:
typedef std::map<uint16_t, lldb::pid_t> PortMap;
GDBRemoteCommunicationServerPlatform(
const Socket::SocketProtocol socket_protocol, const char *socket_scheme);
~GDBRemoteCommunicationServerPlatform() override;
Status LaunchProcess() override;
// Set both ports to zero to let the platform automatically bind to
// a port chosen by the OS.
void SetPortMap(PortMap &&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();
bool AssociatePortWithProcess(uint16_t port, lldb::pid_t pid);
bool FreePort(uint16_t port);
bool FreePortForProcess(lldb::pid_t pid);
void SetPortOffset(uint16_t port_offset);
void SetInferiorArguments(const lldb_private::Args &args);
Status LaunchGDBServer(const lldb_private::Args &args, std::string hostname,
lldb::pid_t &pid, uint16_t &port,
std::string &socket_name);
void SetPendingGdbServer(lldb::pid_t pid, uint16_t port,
const std::string &socket_name);
protected:
const Socket::SocketProtocol m_socket_protocol;
const std::string m_socket_scheme;
std::recursive_mutex m_spawned_pids_mutex;
std::set<lldb::pid_t> m_spawned_pids;
PortMap m_port_map;
uint16_t m_port_offset;
struct {
lldb::pid_t pid;
uint16_t port;
std::string socket_name;
} m_pending_gdb_server;
PacketResult Handle_qLaunchGDBServer(StringExtractorGDBRemote &packet);
PacketResult Handle_qQueryGDBServer(StringExtractorGDBRemote &packet);
PacketResult Handle_qKillSpawnedProcess(StringExtractorGDBRemote &packet);
PacketResult Handle_qProcessInfo(StringExtractorGDBRemote &packet);
PacketResult Handle_qGetWorkingDir(StringExtractorGDBRemote &packet);
PacketResult Handle_QSetWorkingDir(StringExtractorGDBRemote &packet);
PacketResult Handle_qC(StringExtractorGDBRemote &packet);
PacketResult Handle_jSignalsInfo(StringExtractorGDBRemote &packet);
private:
bool KillSpawnedProcess(lldb::pid_t pid);
bool DebugserverProcessReaped(lldb::pid_t pid);
static const FileSpec &GetDomainSocketDir();
static FileSpec GetDomainSocketPath(const char *prefix);
DISALLOW_COPY_AND_ASSIGN(GDBRemoteCommunicationServerPlatform);
};
} // namespace process_gdb_remote
} // namespace lldb_private
#endif // liblldb_GDBRemoteCommunicationServerPlatform_h_
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