| //===-- RNBContext.h --------------------------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // Created by Greg Clayton on 12/12/07. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef __RNBContext_h__ |
| #define __RNBContext_h__ |
| |
| #include "RNBDefs.h" |
| #include "DNBError.h" |
| #include "PThreadEvent.h" |
| #include <vector> |
| #include <string> |
| |
| class RNBContext |
| { |
| public: |
| enum |
| { |
| event_proc_state_changed = 0x01, |
| event_proc_thread_running = 0x02, // Sticky |
| event_proc_thread_exiting = 0x04, |
| event_proc_stdio_available = 0x08, |
| event_read_packet_available = 0x10, |
| event_read_thread_running = 0x20, // Sticky |
| event_read_thread_exiting = 0x40, |
| |
| normal_event_bits = event_proc_state_changed | |
| event_proc_thread_exiting | |
| event_proc_stdio_available | |
| event_read_packet_available | |
| event_read_thread_exiting, |
| |
| sticky_event_bits = event_proc_thread_running | |
| event_read_thread_running, |
| |
| |
| all_event_bits = sticky_event_bits | normal_event_bits |
| } event_t; |
| //------------------------------------------------------------------ |
| // Constructors and Destructors |
| //------------------------------------------------------------------ |
| RNBContext () : |
| m_pid(INVALID_NUB_PROCESS), |
| m_pid_stop_count(0), |
| m_events(0, all_event_bits), |
| m_pid_pthread(), |
| m_launch_status(), |
| m_arg_vec (), |
| m_env_vec () |
| { |
| } |
| |
| virtual ~RNBContext(); |
| |
| |
| nub_process_t ProcessID() const { return m_pid; } |
| bool HasValidProcessID() const { return m_pid != INVALID_NUB_PROCESS; } |
| void SetProcessID (nub_process_t pid); |
| nub_size_t GetProcessStopCount () const { return m_pid_stop_count; } |
| bool SetProcessStopCount (nub_size_t count) |
| { |
| // Returns true if this class' notion of the PID state changed |
| if (m_pid_stop_count == count) |
| return false; // Didn't change |
| m_pid_stop_count = count; |
| return true; // The stop count has changed. |
| } |
| |
| bool ProcessStateRunning() const; |
| PThreadEvent& Events( ) { return m_events; } |
| nub_event_t AllEventBits() const { return all_event_bits; } |
| nub_event_t NormalEventBits() const { return normal_event_bits; } |
| nub_event_t StickyEventBits() const { return sticky_event_bits; } |
| const char* EventsAsString (nub_event_t events, std::string& s); |
| |
| int ArgumentCount () const { return m_arg_vec.size(); } |
| const char * ArgumentAtIndex (int index); |
| void PushArgument (const char *arg) { if (arg) m_arg_vec.push_back (arg); } |
| void ClearArgv () { m_arg_vec.erase (m_arg_vec.begin(), m_arg_vec.end()); } |
| |
| int EnvironmentCount () const { return m_env_vec.size(); } |
| const char * EnvironmentAtIndex (int index); |
| void PushEnvironment (const char *arg) { if (arg) m_env_vec.push_back (arg); } |
| void ClearEnvironment () { m_env_vec.erase (m_env_vec.begin(), m_env_vec.end()); } |
| DNBError& LaunchStatus () { return m_launch_status; } |
| const char * LaunchStatusAsString (std::string& s); |
| nub_launch_flavor_t LaunchFlavor () const { return m_launch_flavor; } |
| void SetLaunchFlavor (nub_launch_flavor_t flavor) { m_launch_flavor = flavor; } |
| |
| const char * GetWorkingDirectory () const |
| { |
| if (!m_working_directory.empty()) |
| return m_working_directory.c_str(); |
| return NULL; |
| } |
| |
| bool SetWorkingDirectory (const char *path); |
| |
| std::string& GetSTDIN () { return m_stdin; } |
| std::string& GetSTDOUT () { return m_stdout; } |
| std::string& GetSTDERR () { return m_stderr; } |
| std::string& GetWorkingDir () { return m_working_dir; } |
| |
| const char * GetSTDINPath() { return m_stdin.empty() ? NULL : m_stdin.c_str(); } |
| const char * GetSTDOUTPath() { return m_stdout.empty() ? NULL : m_stdout.c_str(); } |
| const char * GetSTDERRPath() { return m_stderr.empty() ? NULL : m_stderr.c_str(); } |
| const char * GetWorkingDirPath() { return m_working_dir.empty() ? NULL : m_working_dir.c_str(); } |
| protected: |
| //------------------------------------------------------------------ |
| // Classes that inherit from RNBContext can see and modify these |
| //------------------------------------------------------------------ |
| nub_process_t m_pid; |
| std::string m_stdin; |
| std::string m_stdout; |
| std::string m_stderr; |
| std::string m_working_dir; |
| nub_size_t m_pid_stop_count; |
| PThreadEvent m_events; // Threaded events that we can wait for |
| pthread_t m_pid_pthread; |
| nub_launch_flavor_t m_launch_flavor; // How to launch our inferior process |
| DNBError m_launch_status; // This holds the status from the last launch attempt. |
| std::vector<std::string> m_arg_vec; |
| std::vector<std::string> m_env_vec; // This will be unparsed - entries FOO=value |
| std::string m_working_directory; |
| |
| void StartProcessStatusThread(); |
| void StopProcessStatusThread(); |
| static void* ThreadFunctionProcessStatus(void *arg); |
| |
| private: |
| //------------------------------------------------------------------ |
| // Outlaw copy and assignment operators |
| //------------------------------------------------------------------ |
| RNBContext(const RNBContext& rhs); |
| RNBContext& operator=(const RNBContext& rhs); |
| }; |
| |
| #endif // #ifndef __RNBContext_h__ |