Mercurial Hosting > luan
annotate src/luan/modules/ThreadLuan.java @ 1157:50879022f49d
failed attempt to remove Http.per_session_pages
author | Franklin Schmidt <fschmidt@gmail.com> |
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date | Mon, 05 Feb 2018 01:25:42 -0700 |
parents | 151dc95f5e73 |
children | 3ef883468fd0 |
rev | line source |
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1 package luan.modules; |
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2 |
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3 import java.io.Closeable; |
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4 import java.util.Iterator; |
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5 import java.util.Map; |
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6 import java.util.HashMap; |
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7 import java.util.LinkedHashMap; |
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8 import java.util.concurrent.Executor; |
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9 import java.util.concurrent.Executors; |
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10 import java.util.concurrent.ScheduledThreadPoolExecutor; |
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11 import java.util.concurrent.ScheduledFuture; |
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12 import java.util.concurrent.TimeUnit; |
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13 import luan.Luan; |
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14 import luan.LuanState; |
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15 import luan.LuanFunction; |
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16 import luan.LuanTable; |
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17 import luan.LuanException; |
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18 import luan.LuanCloner; |
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19 |
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20 |
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21 public final class ThreadLuan { |
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22 private static final Executor exec = Executors.newCachedThreadPool(); |
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23 public static final ScheduledThreadPoolExecutor scheduler = new ScheduledThreadPoolExecutor(1); |
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24 |
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25 public static void fork(LuanState luan,LuanFunction fn,Object... args) { |
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26 LuanCloner cloner = new LuanCloner(LuanCloner.Type.COMPLETE); |
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27 final LuanState newLuan = (LuanState)cloner.clone(luan); |
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28 final LuanFunction newFn = (LuanFunction)cloner.get(fn); |
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29 final Object[] newArgs = cloner.clone(args); |
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30 exec.execute(new Runnable(){public void run() { |
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31 try { |
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32 newFn.call(newLuan,newArgs); |
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33 } catch(LuanException e) { |
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34 e.printStackTrace(); |
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35 } |
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36 }}); |
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37 } |
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38 /* |
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39 public static LuanFunction synchronized_(final LuanState luan,final LuanFunction fn) throws LuanException { |
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40 Utils.checkNotNull(fn); |
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41 return new LuanFunction() { |
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42 @Override public Object call(LuanState ingored,Object[] args) throws LuanException { |
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43 synchronized(luan) { |
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44 return fn.call(luan,args); |
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45 } |
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46 } |
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47 }; |
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48 } |
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49 */ |
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50 public static void schedule(LuanState luan,long delay,boolean repeat,LuanFunction fn,Object... args) { |
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51 LuanCloner cloner = new LuanCloner(LuanCloner.Type.COMPLETE); |
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52 final LuanState newLuan = (LuanState)cloner.clone(luan); |
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53 final LuanFunction newFn = (LuanFunction)cloner.get(fn); |
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54 final Object[] newArgs = cloner.clone(args); |
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55 Runnable r = new Runnable(){public void run() { |
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56 try { |
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57 newFn.call(newLuan,newArgs); |
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58 } catch(LuanException e) { |
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59 e.printStackTrace(); |
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60 } |
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61 }}; |
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62 final ScheduledFuture sf; |
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63 if( repeat ) { |
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64 sf = scheduler.scheduleWithFixedDelay(r,delay,delay,TimeUnit.MILLISECONDS); |
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65 } else { |
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66 sf = scheduler.schedule(r,delay,TimeUnit.MILLISECONDS); |
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67 } |
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68 final Closeable c = new Closeable(){public void close(){ |
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69 boolean b = sf.cancel(false); |
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70 }}; |
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71 luan.registry().put(c,c); // prevent gc |
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72 luan.onClose(c); |
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73 } |
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74 |
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75 |
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76 public static class GlobalMap { |
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77 |
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78 private static class Value { |
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79 final long time = System.currentTimeMillis(); |
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80 final Object v; |
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81 |
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82 Value(Object v) { |
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83 this.v = v; |
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84 } |
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85 } |
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86 |
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87 public long timeout = 60000L; // one minute |
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88 private Map<String,Value> map = new LinkedHashMap<String,Value>() { |
1080 | 89 protected boolean removeEldestEntry(Map.Entry<String,Value> eldest) { |
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90 return eldest.getValue().time < System.currentTimeMillis() - timeout; |
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91 } |
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92 }; |
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93 |
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94 public synchronized Object get(String key) { |
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95 Value val = map.get(key); |
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96 return val==null ? null : val.v; |
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97 } |
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98 |
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99 public synchronized Object put(String key,Object v) throws LuanException { |
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100 Value val; |
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101 if( v == null ) { |
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102 val = map.remove(key); |
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103 } else { |
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104 if( !(v instanceof String || v instanceof Boolean || v instanceof Number) ) |
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105 throw new LuanException("can't assign type "+Luan.type(v)+" to Thread.global"); |
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106 val = map.put(key,new Value(v)); |
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107 } |
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108 return val==null ? null : val.v; |
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109 } |
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110 } |
1104 | 111 |
112 | |
113 public static void sleep(long millis) throws InterruptedException { | |
114 Thread.sleep(millis); | |
115 } | |
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116 |
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117 |
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118 /* |
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119 private static boolean isPrimitive(Object v) { |
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120 if( v instanceof Object[] ) { |
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121 Object[] a = (Object[])v; |
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122 for( Object obj : a ) { |
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123 if( !isPrimitive(obj) ) |
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124 return false; |
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125 } |
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126 return true; |
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127 } else { |
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128 return v==null || v instanceof String || v instanceof Boolean || v instanceof Number; |
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129 } |
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130 } |
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131 |
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132 public static final class Callable { |
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133 private long expires; |
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134 private final LuanState luan = new LuanState(); |
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135 private final LuanTable fns; |
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136 |
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137 Callable(LuanState luan,LuanTable fns) { |
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138 LuanCloner cloner = new LuanCloner(LuanCloner.Type.COMPLETE); |
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139 this.fns = (LuanTable)cloner.get(fns); |
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140 } |
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141 |
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142 public synchronized Object call(String fnName,Object... args) throws LuanException { |
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143 if( !isPrimitive(args) ) |
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144 throw new LuanException("can't pass non-primitive type to global_callable"); |
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145 Object f = fns.get(luan,fnName); |
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146 if( f == null ) |
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147 throw new LuanException("function '"+fnName+"' not found in global_callable"); |
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148 if( !(f instanceof LuanFunction) ) |
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149 throw new LuanException("value of '"+fnName+"' not a function in global_callable"); |
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150 LuanFunction fn = (LuanFunction)f; |
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151 Object rtn = fn.call(luan,args); |
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152 if( !isPrimitive(rtn) ) |
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153 throw new LuanException("can't return non-primitive type from global_callable"); |
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154 return rtn; |
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155 } |
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156 } |
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157 |
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158 private static Map<String,Callable> callableMap = new HashMap<String,Callable>(); |
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159 |
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160 private static void sweep() { |
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161 long now = System.currentTimeMillis(); |
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162 for( Iterator<Callable> iter = callableMap.values().iterator(); iter.hasNext(); ) { |
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163 Callable callable = iter.next(); |
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164 if( callable.expires < now ) |
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165 iter.remove(); |
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166 } |
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167 } |
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168 |
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169 public static synchronized Callable globalCallable(LuanState luan,String name,long timeout,LuanTable fns) { |
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170 Callable callable = callableMap.get(name); |
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171 if( callable == null ) { |
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172 sweep(); |
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173 callable = new Callable(luan,fns); |
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174 callableMap.put(name,callable); |
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175 } |
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176 callable.expires = System.currentTimeMillis() + timeout; |
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177 return callable; |
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178 } |
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179 */ |
126
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180 } |