handle requests in a que

This commit is contained in:
Chris kerr 2024-09-15 20:06:22 -04:00
parent 3526d2937e
commit 7009533c8d

View File

@ -16,8 +16,41 @@ import (
var subscriptions = make(map[string]relay.Subscription) var subscriptions = make(map[string]relay.Subscription)
var mu sync.Mutex // Protect concurrent access to subscriptions map var mu sync.Mutex // Protect concurrent access to subscriptions map
// RequestQueue holds incoming requests
var RequestQueue = make(chan Request, 1000) // Adjust buffer size as needed
type Request struct {
Ws *websocket.Conn
Message []interface{}
}
// StartWorkerPool initializes a pool of worker goroutines
func StartWorkerPool(numWorkers int) {
for i := 0; i < numWorkers; i++ {
go worker()
}
}
// worker processes requests from the RequestQueue
func worker() {
for req := range RequestQueue {
processRequest(req.Ws, req.Message)
}
}
// HandleReq now just adds the request to the queue
func HandleReq(ws *websocket.Conn, message []interface{}, subscriptions map[string][]relay.Filter) { func HandleReq(ws *websocket.Conn, message []interface{}, subscriptions map[string][]relay.Filter) {
config.LimitedGoRoutine(func() { select {
case RequestQueue <- Request{Ws: ws, Message: message}:
// Request added to queue
default:
// Queue is full, log the dropped request
fmt.Println("Warning: Request queue is full, dropping request")
}
}
// processRequest handles the actual processing of each request
func processRequest(ws *websocket.Conn, message []interface{}) {
if len(message) < 3 { if len(message) < 3 {
fmt.Println("Invalid REQ message format") fmt.Println("Invalid REQ message format")
response.SendClosed(ws, "", "invalid: invalid REQ message format") response.SendClosed(ws, "", "invalid: invalid REQ message format")
@ -69,7 +102,7 @@ func HandleReq(ws *websocket.Conn, message []interface{}, subscriptions map[stri
} }
// Add the new subscription or update the existing one // Add the new subscription or update the existing one
subscriptions[subID] = filters subscriptions[subID] = relay.Subscription{Filters: filters}
fmt.Printf("Subscription updated: %s with %d filters\n", subID, len(filters)) fmt.Printf("Subscription updated: %s with %d filters\n", subID, len(filters))
// Query the database with filters and send back the results // Query the database with filters and send back the results
@ -109,5 +142,9 @@ func HandleReq(ws *websocket.Conn, message []interface{}, subscriptions map[stri
} }
fmt.Println("Subscription handling completed, keeping connection open.") fmt.Println("Subscription handling completed, keeping connection open.")
}) }
// Initialize the worker pool when your server starts
func init() {
StartWorkerPool(10) // Adjust the number of workers as needed
} }