tourstream /
typo3-redis-lock-strategy
| @@ 240-250 (lines=11) @@ | ||
| 237 | * |
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| 238 | * @return boolean TRUE on sucess, FALSE otherwise |
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| 239 | */ |
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| 240 | private function init() |
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| 241 | { |
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| 242 | $script = ' |
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| 243 | if redis.call("EXISTS", KEYS[1], KEYS[2]) == 0 then |
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| 244 | return redis.call("RPUSH", KEYS[2], ARGV[1]) and redis.call("EXPIRE", KEYS[2], ARGV[2]) |
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| 245 | else |
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| 246 | return 0 |
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| 247 | end |
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| 248 | '; |
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| 249 | return (bool) $this->redis->eval($script, [$this->name, $this->mutex, $this->value, $this->ttl], 2); |
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| 250 | } |
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| 251 | ||
| 252 | /** |
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| 253 | * Try to get the lock |
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| @@ 285-295 (lines=11) @@ | ||
| 282 | * |
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| 283 | * @return boolean TRUE on success, FALSE otherwise |
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| 284 | */ |
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| 285 | private function unlockAndSignal() |
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| 286 | { |
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| 287 | $script = ' |
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| 288 | if (redis.call("GET", KEYS[1]) == ARGV[1]) and (redis.call("DEL", KEYS[1]) == 1) then |
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| 289 | return redis.call("RPUSH", KEYS[2], ARGV[1]) and redis.call("EXPIRE", KEYS[2], ARGV[2]) |
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| 290 | else |
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| 291 | return 0 |
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| 292 | end |
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| 293 | '; |
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| 294 | return (bool) $this->redis->eval($script, [$this->name, $this->mutex, $this->value, $this->ttl], 2); |
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| 295 | } |
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| 296 | ||
| 297 | } |
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| 298 | ||
| @@ 251-263 (lines=13) @@ | ||
| 248 | * |
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| 249 | * @return boolean TRUE on sucess, FALSE otherwise |
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| 250 | */ |
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| 251 | private function init() |
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| 252 | { |
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| 253 | $script = ' |
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| 254 | if not (redis.call("EXISTS", KEYS[1], KEYS[2]) == 2) then |
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| 255 | return redis.call("RPUSH", KEYS[2], ARGV[1]) and redis.call("EXPIRE", KEYS[2], ARGV[2]) |
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| 256 | else |
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| 257 | return 0 |
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| 258 | end |
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| 259 | '; |
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| 260 | $ret = $this->redis->eval($script, [$this->name, $this->mutex, $this->value, $this->ttl], 2); |
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| 261 | ||
| 262 | return (bool) $ret; |
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| 263 | } |
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| 264 | ||
| 265 | /** |
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| 266 | * Try to get the lock |
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| @@ 297-307 (lines=11) @@ | ||
| 294 | * |
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| 295 | * @return boolean TRUE on success, FALSE otherwise |
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| 296 | */ |
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| 297 | private function unlockAndSignal() |
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| 298 | { |
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| 299 | $script = ' |
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| 300 | if (redis.call("GET", KEYS[1]) == ARGV[1]) and (redis.call("DEL", KEYS[1]) == 1) then |
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| 301 | return redis.call("RPUSH", KEYS[2], ARGV[1]) and redis.call("EXPIRE", KEYS[2], ARGV[2]) |
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| 302 | else |
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| 303 | return 0 |
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| 304 | end |
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| 305 | '; |
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| 306 | return (bool) $this->redis->eval($script, [$this->name, $this->mutex, $this->value, $this->ttl], 2); |
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| 307 | } |
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| 308 | ||
| 309 | } |
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| 310 | ||
