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Laravel 8 – envía solicitudes concurrentes usando Guzzle 7
El día de hoy trabajaremos en un proyecto en el que estaba enviando ~ 15 solicitudes a API externas, cada una de las cuales tomó ~ 1 s, lo que significa que el tiempo total de solicitud hasta que el usuario recibió una respuesta fue de alrededor de 15 segundos.
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Queremos hacer esto más rápido, así que investigamos el envío de estas solicitudes externas al mismo tiempo y pudimos reducir el tiempo de respuesta total a ~ 1 segundo. Este es un ejemplo sobre cómo hacerlo:
- Crearemos un proyecto nuevo:
laravel new concurrent_requests_example
- Usaremos Guzzle 7 para enviar las solicitudes:
composer require guzzlehttp/guzzle
- Haremos un controlador:
php artisan make:Controller ExampleController
- Para comparar la diferencia entre solicitudes secuenciales y concurrentes, haremos un punto final para cada una de ellas:
class ExampleController extends Controller { /** * Sends requests sequentially */ public function sequential() { } /** * Sends requests concurrently */ public function concurrent() { } }
- Y las rutas que pondremos en web.php:
/* laravel 8 syntax */ Route::get('/sequential', [ExampleController::class, 'sequential']); Route::get('/concurrent', [ExampleController::class, 'concurrent']);/* pre-laravel 8 syntax */ Route::get('/sequential', 'ExampleController@sequential'); Route::get('/concurrent', 'ExampleController@concurrent');
- Ahora buscamos 10 apis públicas al azar y ponemos solicitudes secuenciales en nuestro método secuencial ():
/** * Sends requests sequentially */ public function sequential() { $time_start = microtime(true); $client = new Client(); $responses = []; $responses['archive'] = $client->get('<https://archive.org/advancedsearch.php?q=subject:google+sheets&output=json>'); $responses['cat_facts'] = $client->get('<https://cat-fact.herokuapp.com/facts>'); $responses['coin_gecko'] = $client->get('<https://api.coingecko.com/api/v3/exchange_rates>'); $responses['universities'] = $client->get('<http://universities.hipolabs.com/search?country=United+Kingdom>'); $responses['countries'] = $client->get('<https://restcountries.eu/rest/v2/all>'); $responses['randomuser'] = $client->get('<https://randomuser.me/api/>'); $responses['punkapi'] = $client->get('<https://api.punkapi.com/v2/beers>'); $responses['publicapis'] = $client->get('<https://api.publicapis.org/entries>'); $responses['openlibrary'] = $client->get('<https://openlibrary.org/api/volumes/brief/isbn/9780525440987.json>'); $responses['food_facts'] = $client->get('<https://world.openfoodfacts.org/api/v0/product/737628064502.json>'); foreach ($responses as $key => $result) { echo $key . "<br>"; //$result is a Guzzle Response object //do stuff with $result //eg. $result->getBody() } echo 'Sequential execution time in seconds: ' . (microtime(true) - $time_start); }
- Y para el método concurrente () utilizamos los mismos puntos finales:
/** * Sends requests concurrently */ public function concurrent() { $time_start = microtime(true); $client = new Client(); $promises = [ 'archive' => $client->getAsync('<https://archive.org/advancedsearch.php?q=subject:google+sheets&output=json>'), 'cat_facts' => $client->getAsync('<https://cat-fact.herokuapp.com/facts>'), 'coin_gecko' => $client->getAsync('<https://api.coingecko.com/api/v3/exchange_rates>'), 'universities' => $client->getAsync('<http://universities.hipolabs.com/search?country=United+Kingdom>'), 'countries' => $client->getAsync('<https://restcountries.eu/rest/v2/all>'), 'randomuser' => $client->getAsync('<https://randomuser.me/api/>'), 'punkapi' => $client->getAsync('<https://api.punkapi.com/v2/beers>'), 'publicapis' => $client->getAsync('<https://api.publicapis.org/entries>'), 'openlibrary' => $client->getAsync('<https://openlibrary.org/api/volumes/brief/isbn/9780525440987.json>'), 'food_facts' => $client->getAsync('<https://world.openfoodfacts.org/api/v0/product/737628064502.json>'), ]; $responses = Promise\\Utils::settle($promises)->wait(); foreach ($responses as $key => $response) { echo $key . "<br>"; //response state is either 'fulfilled' or 'rejected' if($response['state'] === 'rejected') { //handle rejected continue; } //$result is a Guzzle Response object $result = $response['value']; //do stuff with $result //eg. $result->getBody() } echo 'Concurrent execution time in seconds: ' . (microtime(true) - $time_start); }
- Salida secuencial:
archive cat_facts coin_gecko universities countries randomuser punkapi publicapis openlibrary food_facts Sequential execution time in seconds: 19.31148982048
- Salida concurrente:
archive cat_facts coin_gecko countries food_facts openlibrary publicapis punkapi randomuser universities Concurrent execution time in seconds: 4.8118050098419
Como puede ver, hay un ahorro de tiempo significativo de unos 15 segundos. Cuantas más solicitudes tenga, más significativa será la brecha.
¡Ojalá esto ayude a alguien!
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Diego Pacheco
Ingeniero en Sitemas, MBA (Babson College). Desarrollador PHP/Java/JavaScript. Fundador & CEO de EpicStudio. Entusiasta de las tecnologías web (JavaScript, Vue, Laravel, AWS, Docker) Viajes, Negocios, Surf y Growth.[/vc_column_text][asvc_list_item icon_fontawesome=”fa fa-calendar-o” icon_size=”14px”]Programar una reunión[/asvc_list_item][/vc_column_inner][/vc_row_inner][/vc_column][vc_column width=”1/6″][/vc_column][/vc_row][vc_row][vc_column][vc_column_text]
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