Optimizations

src/Protocols/Http.php

@@ -83,10 +83,6 @@ class Http
      */
     public static function input(string $buffer, TcpConnection $connection): int
     {
-        static $input = [];
-        if (isset($input[$buffer])) {
-            return $input[$buffer];
-        }
         $crlfPos = strpos($buffer, "\r\n\r\n");
         if (false === $crlfPos) {
             // Judge whether the package length exceeds the limit.
@@ -97,20 +93,13 @@ class Http
         }
 
         $length = $crlfPos + 4;
-        $firstLine = explode(" ", strstr($buffer, "\r\n", true), 3);
-
-        if (!in_array($firstLine[0], ['GET', 'POST', 'OPTIONS', 'HEAD', 'DELETE', 'PUT', 'PATCH'])) {
+        $method = strstr($buffer, ' ', true);
+        if (!in_array($method, ['GET', 'POST', 'OPTIONS', 'HEAD', 'DELETE', 'PUT', 'PATCH'])) {
             $connection->close("HTTP/1.1 400 Bad Request\r\nContent-Length: 0\r\n\r\n", true);
             return 0;
         }
 
         $header = substr($buffer, 0, $crlfPos);
-
-        if (!str_contains($header, "\r\nHost: ") && $firstLine[2] === "HTTP/1.1") {
-            $connection->close("HTTP/1.1 400 Bad Request\r\nContent-Length: 0\r\n\r\n", true);
-            return 0;
-        }
-
         if ($pos = stripos($header, "\r\nContent-Length: ")) {
             $length += (int)substr($header, $pos + 18, 10);
             $hasContentLength = true;
@@ -130,13 +119,6 @@ class Http
             return 0;
         }
 
-        if (!isset($buffer[TcpConnection::MAX_CACHE_STRING_LENGTH])) {
-            $input[$buffer] = $length;
-            if (count($input) > TcpConnection::MAX_CACHE_SIZE) {
-                unset($input[key($input)]);
-            }
-        }
-
         return $length;
     }