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| 1 | <?php |
| 2 | |
| 3 | namespace CirrusSearch; |
| 4 | |
| 5 | /** |
| 6 | * Represents logging information for a single network operation made between |
| 7 | * php and elasticsearch. Information returned from here goes through the |
| 8 | * RequestLogger class and gets logged to the cirrussearch-request channel |
| 9 | * for later processing in analytics platforms. |
| 10 | */ |
| 11 | interface RequestLog { |
| 12 | /** |
| 13 | * Called when the network request is started |
| 14 | */ |
| 15 | public function start(); |
| 16 | |
| 17 | /** |
| 18 | * Called when the network request has finished |
| 19 | */ |
| 20 | public function finish(); |
| 21 | |
| 22 | /** |
| 23 | * @return string The type of query that was performed |
| 24 | */ |
| 25 | public function getQueryType(); |
| 26 | |
| 27 | /** |
| 28 | * @return string Get the raw psr-3 compliant request description |
| 29 | */ |
| 30 | public function getDescription(); |
| 31 | |
| 32 | /** |
| 33 | * @return string Get the request description, formatted as per psr-3 guidelines |
| 34 | * with self::getLogVariables() |
| 35 | */ |
| 36 | public function formatDescription(); |
| 37 | |
| 38 | /** |
| 39 | * @return int|null The number of ms php spend waiting for the request, |
| 40 | * or null if the request has not finished yet. |
| 41 | */ |
| 42 | public function getTookMs(); |
| 43 | |
| 44 | /** |
| 45 | * @return int The number of ms elasticsearch reported spending on the request, |
| 46 | * or -1 if no request was made (such as cached responses). |
| 47 | */ |
| 48 | public function getElasticTookMs(); |
| 49 | |
| 50 | /** |
| 51 | * @return bool Was this query answered without talking to elasticsearch? |
| 52 | */ |
| 53 | public function isCachedResponse(); |
| 54 | |
| 55 | /** |
| 56 | * @return array Various information about the request(s). The exact set of |
| 57 | * returned keys can vary, but should generally conform to what is expected |
| 58 | * in RequestLogger::buildRequestSetLog(). This must return a single map |
| 59 | * of k/v pairs regardless of the number of requests represented here. |
| 60 | * This is utilized primarily for error reporting purposes. |
| 61 | */ |
| 62 | public function getLogVariables(); |
| 63 | |
| 64 | /** |
| 65 | * @return array[] array of arrays containing various information about the |
| 66 | * request(s). The exact returned keys can vary, but should generally |
| 67 | * conform to what is expected in RequestLogger::buildRequestSetLog(). This |
| 68 | * must return one map per request represented by this log. This is |
| 69 | * primarily used for structured logging of request data to be analyzed in |
| 70 | * analytics platforms. |
| 71 | */ |
| 72 | public function getRequests(); |
| 73 | } |