tourstream /
typo3-redis-lock-strategy
| @@ 163-191 (lines=29) @@ | ||
| 160 | ||
| 161 | if ($mode & self::LOCK_CAPABILITY_EXCLUSIVE) { |
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| 162 | ||
| 163 | if ($mode & self::LOCK_CAPABILITY_NOBLOCK) { |
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| 164 | ||
| 165 | // this does not block |
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| 166 | $this->isAcquired = $this->lock(); |
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| 167 | ||
| 168 | if (!$this->isAcquired) { |
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| 169 | throw new LockAcquireWouldBlockException('could not acquire lock'); |
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| 170 | } |
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| 171 | } else { |
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| 172 | ||
| 173 | // try to acquire the lock |
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| 174 | // N.B. we do this in a loop because between |
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| 175 | // wait() and lock() another process may acquire the lock |
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| 176 | $waited = 0; |
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| 177 | do { |
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| 178 | $start = time(); |
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| 179 | ||
| 180 | // this blocks till the lock gets released or timeout is reached |
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| 181 | if (!$this->wait($this->blTo - $waited)) { |
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| 182 | throw new LockAcquireException('could not acquire lock'); |
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| 183 | } |
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| 184 | ||
| 185 | $waited += time() - $start; |
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| 186 | ||
| 187 | // this does not block |
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| 188 | $this->isAcquired = $this->lock(); |
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| 189 | ||
| 190 | } while (!$this->isAcquired); |
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| 191 | } |
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| 192 | } else { |
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| 193 | throw new LockAcquireException('insufficient capabilities'); |
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| 194 | } |
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| @@ 166-200 (lines=35) @@ | ||
| 163 | } |
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| 164 | ||
| 165 | //if ($mode & self::LOCK_CAPABILITY_EXCLUSIVE) { |
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| 166 | if ($mode) { |
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| 167 | ||
| 168 | //if ($mode & self::LOCK_CAPABILITY_NOBLOCK) { |
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| 169 | if (!$mode) { |
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| 170 | ||
| 171 | $this->isAcquired = $this->lock(); |
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| 172 | ||
| 173 | if (!$this->isAcquired) { |
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| 174 | //throw new LockAcquireWouldBlockException('could not acquire lock'); |
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| 175 | throw new \Exception('could not acquire lock'); |
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| 176 | } |
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| 177 | } else { |
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| 178 | ||
| 179 | // try to acquire the lock |
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| 180 | // N.B. we do this in a loop because between |
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| 181 | // wait() and lock() another process may acquire the lock |
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| 182 | $waited = 0; |
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| 183 | do { |
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| 184 | $start = time(); |
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| 185 | ||
| 186 | // this blocks till the lock gets released or timeout is reached |
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| 187 | if (!$this->wait($this->blTo - $waited)) { |
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| 188 | throw new \Exception('could not acquire lock'); |
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| 189 | } |
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| 190 | ||
| 191 | $waited += time() - $start; |
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| 192 | ||
| 193 | $this->isAcquired = $this->lock(); |
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| 194 | ||
| 195 | } while (!$this->isAcquired); |
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| 196 | } |
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| 197 | } else { |
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| 198 | //throw new LockAcquireException('insufficient capabilities'); |
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| 199 | throw new \Exception('insufficient capabilities'); |
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| 200 | } |
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| 201 | ||
| 202 | echo $this->id.' acquired lock: '.$this->value.PHP_EOL; |
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| 203 | ||
