Files
laravel_swoole/app/Services/WebSocket/WebSocketService.php
2026-02-18 19:41:03 +08:00

430 lines
11 KiB
PHP

<?php
namespace App\Services\WebSocket;
use Illuminate\Support\Facades\Log;
use Swoole\WebSocket\Server;
/**
* WebSocket Service
*
* Provides helper functions for WebSocket operations
*/
class WebSocketService
{
/**
* Get Swoole WebSocket Server instance
*
* @return Server|null
*/
public function getServer(): ?Server
{
// Check if Laravel-S is running
if (!class_exists('Hhxsv5\LaravelS\Illuminate\Laravel') || !defined('IN_LARAVELS')) {
return null;
}
try {
// Try to get the Swoole server from the Laravel-S container
$laravelS = \Hhxsv5\LaravelS\Illuminate\Laravel::getInstance();
if ($laravelS && $laravelS->getSwooleServer()) {
return $laravelS->getSwooleServer();
}
} catch (\Exception $e) {
Log::warning('Failed to get Swoole server instance', [
'error' => $e->getMessage()
]);
}
return null;
}
/**
* Send message to a specific user
*
* @param int $userId
* @param array $data
* @return bool
*/
public function sendToUser(int $userId, array $data): bool
{
$server = $this->getServer();
if (!$server) {
Log::warning('WebSocket server not available', ['user_id' => $userId]);
return false;
}
$wsTable = app('swoole')->wsTable;
$fdInfo = $wsTable->get('uid:' . $userId);
if (!$fdInfo || !$fdInfo['value']) {
Log::info('User not connected to WebSocket', ['user_id' => $userId]);
return false;
}
$fd = (int)$fdInfo['value'];
if (!$server->isEstablished($fd)) {
Log::info('WebSocket connection not established', ['user_id' => $userId, 'fd' => $fd]);
// Clean up stale connection
$wsTable->del('uid:' . $userId);
$wsTable->del('fd:' . $fd);
return false;
}
$server->push($fd, json_encode($data));
Log::info('Message sent to user via WebSocket', [
'user_id' => $userId,
'fd' => $fd,
'data' => $data
]);
return true;
}
/**
* Send message to multiple users
*
* @param array $userIds
* @param array $data
* @return array Array of user IDs who received the message
*/
public function sendToUsers(array $userIds, array $data): array
{
$sentTo = [];
foreach ($userIds as $userId) {
if ($this->sendToUser($userId, $data)) {
$sentTo[] = $userId;
}
}
return $sentTo;
}
/**
* Broadcast message to all connected clients
*
* @param array $data
* @param int|null $excludeUserId User ID to exclude from broadcast
* @return int Number of clients the message was sent to
*/
public function broadcast(array $data, ?int $excludeUserId = null): int
{
$server = $this->getServer();
if (!$server) {
Log::warning('WebSocket server not available for broadcast');
return 0;
}
$wsTable = app('swoole')->wsTable;
$message = json_encode($data);
$count = 0;
foreach ($server->connections as $fd) {
if (!$server->isEstablished($fd)) {
continue;
}
// Check if we should exclude this user
if ($excludeUserId) {
$fdInfo = $wsTable->get('fd:' . $fd);
if ($fdInfo && $fdInfo['value'] == $excludeUserId) {
continue;
}
}
$server->push($fd, $message);
$count++;
}
Log::info('Broadcast sent via WebSocket', [
'data' => $data,
'exclude_user_id' => $excludeUserId,
'count' => $count
]);
return $count;
}
/**
* Send message to all subscribers of a channel
*
* @param string $channel
* @param array $data
* @return int Number of subscribers who received the message
*/
public function sendToChannel(string $channel, array $data): int
{
$server = $this->getServer();
if (!$server) {
Log::warning('WebSocket server not available for channel broadcast', ['channel' => $channel]);
return 0;
}
$wsTable = app('swoole')->wsTable;
$count = 0;
$message = json_encode($data);
// Iterate through all connections and check if they're subscribed to the channel
foreach ($server->connections as $fd) {
if (!$server->isEstablished($fd)) {
continue;
}
$subscription = $wsTable->get('channel:' . $channel . ':fd:' . $fd);
if ($subscription) {
$server->push($fd, $message);
$count++;
}
}
Log::info('Channel message sent via WebSocket', [
'channel' => $channel,
'data' => $data,
'count' => $count
]);
return $count;
}
/**
* Get online user count
*
* @return int
*/
public function getOnlineUserCount(): int
{
$server = $this->getServer();
if (!$server || !isset($server->wsTable)) {
return 0;
}
// Count established connections
$count = 0;
foreach ($server->connections as $fd) {
if ($server->isEstablished($fd)) {
$count++;
}
}
return $count;
}
/**
* Check if a user is online
*
* @param int $userId
* @return bool
*/
public function isUserOnline(int $userId): bool
{
$server = $this->getServer();
if (!$server) {
return false;
}
$wsTable = app('swoole')->wsTable;
$fdInfo = $wsTable->get('uid:' . $userId);
if (!$fdInfo || !$fdInfo['value']) {
return false;
}
$fd = (int)$fdInfo['value'];
return $server->isEstablished($fd);
}
/**
* Disconnect a user from WebSocket
*
* @param int $userId
* @return bool
*/
public function disconnectUser(int $userId): bool
{
$server = $this->getServer();
if (!$server) {
return false;
}
$wsTable = app('swoole')->wsTable;
$fdInfo = $wsTable->get('uid:' . $userId);
if (!$fdInfo || !$fdInfo['value']) {
return false;
}
$fd = (int)$fdInfo['value'];
if ($server->isEstablished($fd)) {
$server->push($fd, json_encode([
'type' => 'disconnect',
'data' => [
'message' => 'You have been disconnected',
'timestamp' => time()
]
]));
// Close the connection
$server->disconnect($fd);
// Clean up
$wsTable->del('uid:' . $userId);
$wsTable->del('fd:' . $fd);
Log::info('User disconnected from WebSocket by server', [
'user_id' => $userId,
'fd' => $fd
]);
return true;
}
return false;
}
/**
* Get all online user IDs
*
* @return array
*/
public function getOnlineUserIds(): array
{
$server = $this->getServer();
if (!$server) {
return [];
}
$wsTable = app('swoole')->wsTable;
$userIds = [];
foreach ($server->connections as $fd) {
if (!$server->isEstablished($fd)) {
continue;
}
$fdInfo = $wsTable->get('fd:' . $fd);
if ($fdInfo && $fdInfo['value']) {
$userIds[] = (int)$fdInfo['value'];
}
}
return array_unique($userIds);
}
/**
* Send system notification to all online users
*
* @param string $title
* @param string $message
* @param string $type
* @param array $extraData
* @return int
*/
public function sendSystemNotification(string $title, string $message, string $type = 'info', array $extraData = []): int
{
$data = [
'type' => 'notification',
'data' => [
'title' => $title,
'message' => $message,
'type' => $type, // info, success, warning, error
'timestamp' => time(),
...$extraData
]
];
return $this->broadcast($data);
}
/**
* Send notification to specific users
*
* @param array $userIds
* @param string $title
* @param string $message
* @param string $type
* @param array $extraData
* @return array
*/
public function sendNotificationToUsers(array $userIds, string $title, string $message, string $type = 'info', array $extraData = []): array
{
$data = [
'type' => 'notification',
'data' => [
'title' => $title,
'message' => $message,
'type' => $type,
'timestamp' => time(),
...$extraData
]
];
return $this->sendToUsers($userIds, $data);
}
/**
* Push data update to specific users
*
* @param array $userIds
* @param string $resourceType
* @param string $action
* @param array $data
* @return array
*/
public function pushDataUpdate(array $userIds, string $resourceType, string $action, array $data): array
{
$message = [
'type' => 'data_update',
'data' => [
'resource_type' => $resourceType, // e.g., 'user', 'order', 'product'
'action' => $action, // create, update, delete
'data' => $data,
'timestamp' => time()
]
];
return $this->sendToUsers($userIds, $message);
}
/**
* Push data update to a channel
*
* @param string $channel
* @param string $resourceType
* @param string $action
* @param array $data
* @return int
*/
public function pushDataUpdateToChannel(string $channel, string $resourceType, string $action, array $data): int
{
$message = [
'type' => 'data_update',
'data' => [
'resource_type' => $resourceType,
'action' => $action,
'data' => $data,
'timestamp' => time()
]
];
return $this->sendToChannel($channel, $message);
}
}