libnick 2025.7.3
A cross-platform base for native Nickvision applications.
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process.h
Go to the documentation of this file.
1
22
23#ifndef PROCESS_H
24#define PROCESS_H
25
26#include <cstdio>
27#include <filesystem>
28#include <memory>
29#include <mutex>
30#include <string>
31#include <thread>
32#include <vector>
33#include "events/event.h"
35#include "processstate.h"
36#ifdef _WIN32
37#include <windows.h>
38#else
39#include <sys/types.h>
40#endif
41
42namespace Nickvision::System
43{
47 class Process
48 {
49 public:
57 Process(const std::filesystem::path& path, const std::vector<std::string>& args = {}, const std::filesystem::path& workingDir = {});
72 const std::filesystem::path& getPath() const;
82 int getExitCode() const;
87 const std::string& getOutput() const;
92 double getCPUUsage() const;
97 unsigned long long getRAMUsage() const;
103 bool start();
108 bool kill();
113 bool resume();
118 bool pause();
131 bool send(const std::string& s);
137 bool sendCommand(std::string s);
138
139 private:
143 void watch();
144 mutable std::mutex m_mutex;
145 std::filesystem::path m_path;
146 std::vector<std::string> m_args;
147 std::filesystem::path m_workingDirectory;
149 ProcessState m_state;
150 int m_exitCode;
151 std::string m_output;
152 std::thread m_watchThread;
153#ifdef _WIN32
154 HANDLE m_childOutRead;
155 HANDLE m_childOutWrite;
156 HANDLE m_childInRead;
157 HANDLE m_childInWrite;
158 PROCESS_INFORMATION m_pi;
159 HANDLE m_job;
160 mutable unsigned long long m_lastProcKernelTime;
161 mutable unsigned long long m_lastProcUserTime;
162 mutable unsigned long long m_lastSysKernelTime;
163 mutable unsigned long long m_lastSysUserTime;
164#else
165 int m_childOutPipes[2];
166 int m_childInPipes[2];
167 pid_t m_pid;
168 mutable unsigned long long m_lastUserTime;
169 mutable unsigned long long m_lastSystemTime;
170#endif
171 };
172}
173
174#endif //PROCESS_H
An event that can have handlers subscribe to it, which in turn will be called when the event is invok...
Definition event.h:49
double getCPUUsage() const
Gets the percent of the CPU being used by the process.
~Process()
Destructs a Process.
bool sendCommand(std::string s)
Sends text to the process' console and adds the return characters.
bool start()
Starts the process.
unsigned long long getRAMUsage() const
Gets the amount of RAM being used by the process in bytes.
int getExitCode() const
Gets the exit code of the process.
Process(const std::filesystem::path &path, const std::vector< std::string > &args={}, const std::filesystem::path &workingDir={})
Constructs a Process.
bool kill()
Kills the process.
ProcessState getState() const
Gets the state of the proicess.
const std::string & getOutput() const
Gets the console output of the process.
bool send(const std::string &s)
Sends text to the process' console.
bool pause()
Pauses the process.
Events::Event< ProcessExitedEventArgs > & exited()
Gets the event for when the process has exited.
int waitForExit()
Waits for the process to exit.
const std::filesystem::path & getPath() const
Gets the path of the process.
bool resume()
Resumes the process.
Definition dependencysearchoption.h:5
ProcessState
States of a process.
Definition processstate.h:10