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Merged
m45adiwinata merged 1 commit into from
Jul 3, 2026
Merged

feat : add paralel excecute #63

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223 changes: 223 additions & 0 deletions src/Libraries/FirebaseClient.php
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Original file line number Diff line number Diff line change
Expand Up @@ -365,6 +365,229 @@ public function sendMulticast(
return $results;
}

/**
* Maximum number of concurrent HTTP requests per curl_multi batch
*
* @var int
*/
private const MAX_PARALLEL_REQUESTS = 20;

/**
* Send to multiple tokens using curl_multi for parallel execution
*
* Unlike sendMulticast() which sends sequentially, this method fires all
* HTTP requests concurrently using curl_multi. Tokens are processed in
* batches of 20 to avoid overwhelming the network stack.
* For 100 tokens at ~200ms each: sequential = ~20s, parallel = ~1-2s (5 batches).
*
* @param array $tokens FCM registration tokens
* @param array $notification Notification payload
* @param array $data Data payload
*
* @return array Results with success/failure counts
*/
public function sendMulticastParallel(
array $tokens,
array $notification = [],
array $data = []
): array {
if (empty($tokens)) {
return ['success' => 0, 'failure' => 0, 'responses' => []];
}

$accessToken = $this->getAccessToken();
$projectId = $this->serviceAccount['project_id'];
$url = "https://fcm.googleapis.com/v1/projects/{$projectId}/messages:send";

$startTime = microtime(true);

// Process tokens in batches of MAX_PARALLEL_REQUESTS
$results = ['success' => 0, 'failure' => 0, 'responses' => []];
$chunks = array_chunk($tokens, self::MAX_PARALLEL_REQUESTS);

foreach ($chunks as $chunk) {
$batchResults = $this->executeCurlMulti($chunk, $notification, $data, $accessToken, $url);
$results['success'] += $batchResults['success'];
$results['failure'] += $batchResults['failure'];
foreach ($batchResults['responses'] as $resp) {
$results['responses'][] = $resp;
}
}

// Retry 401 failures with refreshed token
$retryTokens = [];
$retryIndices = [];
foreach ($results['responses'] as $index => $resp) {
if (!$resp['success'] && isset($resp['httpCode']) && $resp['httpCode'] === 401) {
$retryTokens[] = $resp['token'];
$retryIndices[] = $index;
}
}

if (!empty($retryTokens)) {
Log::runtime()->warning(
[
'operation' => 'firebase_multicast_parallel_401_retry',
'count' => count($retryTokens),
'message' => 'Retrying failed tokens with refreshed access token'
]
);

$newAccessToken = $this->getAccessToken(true);

// Retry also in batches
$retryChunks = array_chunk($retryTokens, self::MAX_PARALLEL_REQUESTS);
$allRetryResponses = [];
foreach ($retryChunks as $retryChunk) {
$chunkResults = $this->executeCurlMulti($retryChunk, $notification, $data, $newAccessToken, $url);
foreach ($chunkResults['responses'] as $resp) {
$allRetryResponses[] = $resp;
}
}

foreach ($retryIndices as $i => $originalIndex) {
$retryResp = $allRetryResponses[$i];
$oldResp = $results['responses'][$originalIndex];

if ($retryResp['success'] && !$oldResp['success']) {
$results['success']++;
$results['failure']--;
}
$results['responses'][$originalIndex] = $retryResp;
}
}

$elapsed = microtime(true) - $startTime;

Log::runtime()->info(
[
'operation' => 'firebase_multicast_parallel_complete',
'totalTokens' => count($tokens),
'success' => $results['success'],
'failure' => $results['failure'],
'responseTime' => round($elapsed * 1000)
]
);

return $results;
}

/**
* Execute parallel FCM sends using curl_multi
*
* @param array $tokens FCM device tokens
* @param array $notification Notification payload
* @param array $data Data payload
* @param string $accessToken OAuth2 bearer token
* @param string $url FCM endpoint URL
*
* @return array Results with success/failure counts and responses
*/
private function executeCurlMulti(
array $tokens,
array $notification,
array $data,
string $accessToken,
string $url
): array {
$results = ['success' => 0, 'failure' => 0, 'responses' => []];
$multiHandle = curl_multi_init();
$curlHandles = [];

foreach ($tokens as $index => $deviceToken) {
$message = ['token' => $deviceToken];
if (!empty($notification)) {
$message['notification'] = $notification;
}
if (!empty($data)) {
$message['data'] = $data;
}

$payload = json_encode(['message' => $message], JSON_THROW_ON_ERROR);

$ch = curl_init();
curl_setopt_array(
$ch,
[
CURLOPT_URL => $url,
CURLOPT_POST => true,
CURLOPT_POSTFIELDS => $payload,
CURLOPT_RETURNTRANSFER => true,
CURLOPT_HTTPHEADER => [
'Authorization: Bearer ' . $accessToken,
'Content-Type: application/json',
],
CURLOPT_TIMEOUT => 60,
CURLOPT_SSL_VERIFYPEER => false,
]
);

if (!empty($this->proxyUrl)) {
curl_setopt($ch, CURLOPT_PROXY, $this->proxyUrl);
}

$curlHandles[$index] = ['handle' => $ch, 'token' => $deviceToken];
curl_multi_add_handle($multiHandle, $ch);
}

// Execute all requests in parallel
$running = null;
do {
$status = curl_multi_exec($multiHandle, $running);
if ($status > CURLM_OK) {
break;
}
if ($running > 0) {
curl_multi_select($multiHandle, 1.0);
}
} while ($running > 0);

// Collect results
foreach ($curlHandles as $index => $item) {
$ch = $item['handle'];
$deviceToken = $item['token'];

$responseBody = curl_multi_getcontent($ch);
$httpCode = (int) curl_getinfo($ch, CURLINFO_HTTP_CODE);
$curlError = curl_error($ch);

curl_multi_remove_handle($multiHandle, $ch);
curl_close($ch);

if (!empty($curlError)) {
$results['failure']++;
$results['responses'][$index] = [
'token' => $deviceToken,
'success' => false,
'error' => $curlError,
'httpCode' => 0
];
} elseif ($httpCode === 200) {
$results['success']++;
$results['responses'][$index] = [
'token' => $deviceToken,
'success' => true,
'httpCode' => $httpCode
];
} else {
$results['failure']++;
$results['responses'][$index] = [
'token' => $deviceToken,
'success' => false,
'error' => $responseBody,
'httpCode' => $httpCode
];
}
}

curl_multi_close($multiHandle);

// Re-index to sequential array
$results['responses'] = array_values($results['responses']);

return $results;
}

/**
* Send FCM message to a topic
*
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