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1
29
30 package com.caucho.quercus.lib;
31
32 import com.caucho.quercus.annotation.Optional;
33 import com.caucho.quercus.env.*;
34 import com.caucho.quercus.module.AbstractQuercusModule;
35 import com.caucho.util.Alarm;
36 import com.caucho.util.L10N;
37 import com.caucho.util.LruCache;
38
39 import java.util.HashMap  ;
40 import java.util.Map ;
41 import java.util.logging.Logger ;
42
43
46 public class ApcModule extends AbstractQuercusModule {
47 private static final Logger log = Logger.getLogger(ApcModule.class.getName());
48 private static final L10N L = new L10N(ApcModule.class);
49
50 private static final HashMap <String ,StringValue> _iniMap
51 = new HashMap <String ,StringValue>();
52
53 private LruCache<String ,Entry> _cache = new LruCache<String ,Entry>(4096);
54
55 private HashMap <String ,Value> _constMap = new HashMap <String ,Value>();
56
57
60 public String []getLoadedExtensions()
61 {
62 return new String [] { "apc" };
63 }
64
65
68 public Value apc_cache_info(@Optional String type)
69 {
70 ArrayValue value = new ArrayValueImpl();
71
72 value.put("num_slots", 1000);
73 value.put("ttl", 0);
74 value.put("num_hits", 0);
75 value.put("num_misses", 0);
76 value.put("start_time", 0);
77 value.put(new StringValueImpl("cache_list"), new ArrayValueImpl());
78
79 return value;
80 }
81
82
85 public boolean apc_clear_cache(Env env, @Optional String type)
86 {
87 _cache.clear();
88
89 return true;
90 }
91
92
95 public boolean apc_define_constants(Env env,
96 String key,
97 ArrayValue values,
98 @Optional("true") boolean caseSensitive)
99 {
100 _constMap.put(key, values.copy(env));
101
102 return true;
103 }
104
105
108 public boolean apc_delete(Env env, String key)
109 {
110 return _cache.remove(key) != null;
111 }
112
113
116 public Value apc_fetch(Env env, String key)
117 {
118 Entry entry = _cache.get(key);
119
120 if (entry == null)
121 return BooleanValue.FALSE;
122
123 Value value = entry.getValue();
124
125 if (entry.isValid() && value != null)
126 return value.copy(env);
127 else
128 return BooleanValue.FALSE;
129 }
130
131
134 public boolean apc_load_constants(Env env,
135 String key,
136 @Optional("true") boolean caseSensitive)
137 {
138 ArrayValue array = (ArrayValue) _constMap.get(key);
139
140 if (array == null)
141 return false;
142
143 for (Map.Entry <Value,Value> entry : array.entrySet()) {
144 env.addConstant(entry.getKey().toString(),
145 entry.getValue().copy(env),
146 ! caseSensitive);
147 }
148
149 return true;
150 }
151
152
155 public Value apc_sma_info(@Optional String type)
156 {
157 ArrayValue value = new ArrayValueImpl();
158
159 value.put("num_seg", 1);
160 value.put("seg_size", 1024 * 1024);
161 value.put("avail_mem", 1024 * 1024);
162 value.put(new StringValueImpl("block_lists"), new ArrayValueImpl());
163
164 return value;
165 }
166
167
170 public Value apc_store(Env env, String key, Value value,
171 @Optional("0") int ttl)
172 {
173 _cache.put(key, new Entry(value.copy(env), ttl));
174
175 return BooleanValue.TRUE;
176 }
177
178 static class Entry {
179 private Value _value;
180 private long _expire;
181
182 Entry(Value value, int ttl)
183 {
184 _value = value;
185
186 if (ttl <= 0)
187 _expire = Long.MAX_VALUE;
188 else
189 _expire = Alarm.getCurrentTime() + ttl * 1000L;
190 }
191
192 public boolean isValid()
193 {
194 if (Alarm.getCurrentTime() <= _expire)
195 return true;
196 else {
197 _value = null;
198 return false;
199 }
200 }
201
202 public Value getValue()
203 {
204 return _value;
205 }
206 }
207
208
211 public Map <String ,StringValue> getDefaultIni()
212 {
213 return _iniMap;
214 }
215
216 static {
217 addIni(_iniMap, "apc.enabled", "1", PHP_INI_ALL);
218 addIni(_iniMap, "apc.shm_segments", "1", PHP_INI_SYSTEM);
219 addIni(_iniMap, "apc.shm_size", "30", PHP_INI_SYSTEM);
220 addIni(_iniMap, "apc.optimization", "0", PHP_INI_ALL);
221 addIni(_iniMap, "apc.num_files_hint", "1000", PHP_INI_SYSTEM);
222 addIni(_iniMap, "apc.ttl", "0", PHP_INI_SYSTEM);
223 addIni(_iniMap, "apc.gc_ttl", "3600", PHP_INI_SYSTEM);
224 addIni(_iniMap, "apc.cache_by_default", "1", PHP_INI_SYSTEM);
225 addIni(_iniMap, "apc.filters", "", PHP_INI_SYSTEM);
226 addIni(_iniMap, "apc.mmap_file_mask", "", PHP_INI_SYSTEM);
227 addIni(_iniMap, "apc.slam_defense", "0", PHP_INI_SYSTEM);
228 addIni(_iniMap, "apc.file_update_protection", "2", PHP_INI_SYSTEM);
229 addIni(_iniMap, "apc.enable_cli", "0", PHP_INI_SYSTEM);
230 }
231 }
232 |
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