1 files changed, 91 insertions, 0 deletions
diff --git a/vendor/clue/socket-raw/src/Exception.php b/vendor/clue/socket-raw/src/Exception.php
new file mode 100644
index 0000000..bdabf78
--- /dev/null
+++ b/vendor/clue/socket-raw/src/Exception.php
@@ -0,0 +1,91 @@
+<?php
+
+namespace Socket\Raw;
+
+use RuntimeException;
+
+class Exception extends RuntimeException
+{
+    /**
+     * Create an Exception after a socket operation on the given $resource failed
+     *
+     * @param \Socket|resource $resource
+     * @param string   $messagePrefix
+     * @return self
+     * @uses socket_last_error() to get last socket error code
+     * @uses socket_clear_error() to clear socket error code
+     * @uses self::createFromCode() to automatically construct exception with full error message
+     */
+    public static function createFromSocketResource($resource, $messagePrefix = 'Socket operation failed')
+    {
+        if (PHP_VERSION_ID >= 80000) {
+            try {
+                $code = socket_last_error($resource);
+            } catch (\Error $e) {
+                $code = SOCKET_ENOTSOCK;
+            }
+        } elseif (is_resource($resource)) {
+            $code = socket_last_error($resource);
+            socket_clear_error($resource);
+        } else {
+            // socket already closed, return fixed error code instead of operating on invalid handle
+            $code = SOCKET_ENOTSOCK;
+        }
+
+        return self::createFromCode($code, $messagePrefix);
+    }
+
+    /**
+     * Create an Exception after a global socket operation failed (like socket creation)
+     *
+     * @param string $messagePrefix
+     * @return self
+     * @uses socket_last_error() to get last global error code
+     * @uses socket_clear_error() to clear global error code
+     * @uses self::createFromCode() to automatically construct exception with full error message
+     */
+    public static function createFromGlobalSocketOperation($messagePrefix = 'Socket operation failed')
+    {
+        $code = socket_last_error();
+        socket_clear_error();
+
+        return self::createFromCode($code, $messagePrefix);
+    }
+
+    /**
+     * Create an Exception for given error $code
+     *
+     * @param int    $code
+     * @param string $messagePrefix
+     * @return self
+     * @throws Exception if given $val is boolean false
+     * @uses self::getErrorMessage() to translate error code to error message
+     */
+    public static function createFromCode($code, $messagePrefix = 'Socket error')
+    {
+        return new self($messagePrefix . ': ' . self::getErrorMessage($code), $code);
+    }
+
+    /**
+     * get error message for given error code
+     *
+     * @param int $code error code
+     * @return string
+     * @uses socket_strerror() to translate error code to error message
+     * @uses get_defined_constants() to check for related error constant
+     */
+    protected static function getErrorMessage($code)
+    {
+        $string = socket_strerror($code);
+
+        // search constant starting with SOCKET_ for this error code
+        foreach (get_defined_constants() as $key => $value) {
+            if($value === $code && strpos($key, 'SOCKET_') === 0) {
+                $string .= ' (' . $key . ')';
+                break;
+            }
+        }
+
+        return $string;
+    }
+}