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| 1 | +pub mod configuration; |
| 2 | +pub mod ruby_object; |
| 3 | + |
| 4 | +use std::collections::HashSet; |
| 5 | +use std::ffi::{c_int, CStr}; |
| 6 | +use std::str::FromStr as _; |
| 7 | +use std::time::Duration; |
| 8 | + |
| 9 | +use rb_sys::*; |
| 10 | + |
| 11 | +use self::configuration::Configuration; |
| 12 | +use crate::scheduler::Scheduler; |
| 13 | +use crate::signal_scheduler::SignalScheduler; |
| 14 | +use crate::timer_thread_scheduler::TimerThreadScheduler; |
| 15 | +use crate::util::*; |
| 16 | + |
| 17 | +pub struct Session { |
| 18 | + pub configuration: Configuration, |
| 19 | + pub scheduler: Box<dyn Scheduler>, |
| 20 | +} |
| 21 | + |
| 22 | +impl Session { |
| 23 | + pub fn new_from_rb_initialize(argc: c_int, argv: *const VALUE, rbself: VALUE) -> Self { |
| 24 | + // Parse arguments |
| 25 | + let kwargs: VALUE = Qnil.into(); |
| 26 | + unsafe { |
| 27 | + rb_scan_args(argc, argv, cstr!(":"), &kwargs); |
| 28 | + }; |
| 29 | + let mut kwargs_values: [VALUE; 5] = [Qnil.into(); 5]; |
| 30 | + unsafe { |
| 31 | + rb_get_kwargs( |
| 32 | + kwargs, |
| 33 | + [ |
| 34 | + rb_intern(cstr!("interval_ms")), |
| 35 | + rb_intern(cstr!("threads")), |
| 36 | + rb_intern(cstr!("time_mode")), |
| 37 | + rb_intern(cstr!("track_all_threads")), |
| 38 | + rb_intern(cstr!("scheduler")), |
| 39 | + ] |
| 40 | + .as_mut_ptr(), |
| 41 | + 0, |
| 42 | + 5, |
| 43 | + kwargs_values.as_mut_ptr(), |
| 44 | + ); |
| 45 | + }; |
| 46 | + |
| 47 | + let interval = Self::parse_option_interval_ms(kwargs_values[0]); |
| 48 | + let threads = Self::parse_option_threads(kwargs_values[1]); |
| 49 | + let time_mode = Self::parse_option_time_mode(kwargs_values[2]); |
| 50 | + let track_all_threads = Self::parse_option_track_all_threads(kwargs_values[3]); |
| 51 | + let scheduler = Self::parse_option_scheduler(kwargs_values[4]); |
| 52 | + |
| 53 | + let configuration = Configuration { |
| 54 | + scheduler, |
| 55 | + interval, |
| 56 | + target_ruby_threads: threads.clone(), |
| 57 | + time_mode, |
| 58 | + track_all_threads, |
| 59 | + }; |
| 60 | + |
| 61 | + // Store configuration as a Ruby Hash for convenience |
| 62 | + unsafe { |
| 63 | + rb_iv_set(rbself, cstr!("@configuration"), configuration.to_rb_hash()); |
| 64 | + } |
| 65 | + |
| 66 | + let scheduler: Box<dyn Scheduler> = match configuration.scheduler { |
| 67 | + configuration::Scheduler::Signal => Box::new(SignalScheduler::new(&configuration)), |
| 68 | + configuration::Scheduler::TimerThread => { |
| 69 | + Box::new(TimerThreadScheduler::new(&configuration)) |
| 70 | + } |
| 71 | + }; |
| 72 | + |
| 73 | + Session { |
| 74 | + configuration, |
| 75 | + scheduler, |
| 76 | + } |
| 77 | + } |
| 78 | + |
| 79 | + fn parse_option_interval_ms(value: VALUE) -> Duration { |
| 80 | + if value == Qundef as VALUE { |
| 81 | + // Return default |
| 82 | + return configuration::DEFAULT_INTERVAL; |
| 83 | + } |
| 84 | + |
| 85 | + let interval_ms = unsafe { rb_num2long(value) }; |
| 86 | + Duration::from_millis(interval_ms.try_into().unwrap_or_else(|_| { |
| 87 | + eprintln!( |
| 88 | + "[Pf2] Warning: Specified interval ({}) is not valid. Using default value (49ms).", |
| 89 | + interval_ms |
| 90 | + ); |
| 91 | + 49 |
| 92 | + })) |
| 93 | + } |
| 94 | + |
| 95 | + fn parse_option_threads(value: VALUE) -> HashSet<VALUE> { |
| 96 | + let threads = if value == Qundef as VALUE { |
| 97 | + // Use Thread.list (all active Threads) |
| 98 | + unsafe { rb_funcall(rb_cThread, rb_intern(cstr!("list")), 0) } |
| 99 | + } else { |
| 100 | + value |
| 101 | + }; |
| 102 | + |
| 103 | + let mut set: HashSet<VALUE> = HashSet::new(); |
| 104 | + unsafe { |
| 105 | + for i in 0..RARRAY_LEN(threads) { |
| 106 | + set.insert(rb_ary_entry(threads, i)); |
| 107 | + } |
| 108 | + } |
| 109 | + set |
| 110 | + } |
| 111 | + |
| 112 | + fn parse_option_time_mode(value: VALUE) -> configuration::TimeMode { |
| 113 | + if value == Qundef as VALUE { |
| 114 | + // Return default |
| 115 | + return configuration::DEFAULT_TIME_MODE; |
| 116 | + } |
| 117 | + |
| 118 | + let specified_mode = unsafe { |
| 119 | + let mut str = rb_funcall(value, rb_intern(cstr!("to_s")), 0); |
| 120 | + let ptr = rb_string_value_ptr(&mut str); |
| 121 | + CStr::from_ptr(ptr).to_str().unwrap() |
| 122 | + }; |
| 123 | + configuration::TimeMode::from_str(specified_mode).unwrap_or_else(|_| { |
| 124 | + // Raise an ArgumentError if the mode is invalid |
| 125 | + unsafe { |
| 126 | + rb_raise( |
| 127 | + rb_eArgError, |
| 128 | + cstr!("Invalid time mode. Valid values are 'cpu' and 'wall'."), |
| 129 | + ) |
| 130 | + } |
| 131 | + }) |
| 132 | + } |
| 133 | + |
| 134 | + fn parse_option_track_all_threads(value: VALUE) -> bool { |
| 135 | + if value == Qundef as VALUE { |
| 136 | + // Return default |
| 137 | + return false; |
| 138 | + } |
| 139 | + todo!("Implement track_all_threads"); |
| 140 | + } |
| 141 | + |
| 142 | + fn parse_option_scheduler(value: VALUE) -> configuration::Scheduler { |
| 143 | + if value == Qundef as VALUE { |
| 144 | + // Return default |
| 145 | + return configuration::DEFAULT_SCHEDULER; |
| 146 | + } |
| 147 | + |
| 148 | + let specified_scheduler = unsafe { |
| 149 | + let mut str = rb_funcall(value, rb_intern(cstr!("to_s")), 0); |
| 150 | + let ptr = rb_string_value_ptr(&mut str); |
| 151 | + CStr::from_ptr(ptr).to_str().unwrap() |
| 152 | + }; |
| 153 | + configuration::Scheduler::from_str(specified_scheduler).unwrap_or_else(|_| { |
| 154 | + // Raise an ArgumentError if the mode is invalid |
| 155 | + unsafe { |
| 156 | + rb_raise( |
| 157 | + rb_eArgError, |
| 158 | + cstr!("Invalid scheduler. Valid values are ':signal' and ':timer_thread'."), |
| 159 | + ) |
| 160 | + } |
| 161 | + }) |
| 162 | + } |
| 163 | + |
| 164 | + pub fn start(&mut self) -> VALUE { |
| 165 | + self.scheduler.start() |
| 166 | + } |
| 167 | + |
| 168 | + pub fn stop(&mut self) -> VALUE { |
| 169 | + self.scheduler.stop() |
| 170 | + } |
| 171 | + |
| 172 | + pub fn dmark(&self) { |
| 173 | + self.scheduler.dmark() |
| 174 | + } |
| 175 | +} |
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