Function upgradeWebsocket

lib_acl_cpp/src/http/HttpServlet.cpp:109–135

}

static bool upgradeWebsocket(HttpServletRequest& req, HttpServletResponse& res)
{
	const char* ptr = req.getHeader("Connection");
	if (ptr == NULL) {
		return false;
	}
	if (acl_strcasestr(ptr, "Upgrade") == NULL) {
		return false;
	}
	ptr = req.getHeader("Upgrade");
	if (ptr == NULL) {
		return false;
	}
	if (strcasecmp(ptr, "websocket") != 0) {
		return false;
	}
	const char* key = req.getHeader("Sec-WebSocket-Key");
	if (key == NULL || *key == 0) {
		logger_warn("no Sec-WebSocket-Key");
		return false;
	}

	http_header& header = res.getHttpHeader();
	header.set_upgrade("websocket");
	header.set_ws_accept(key);
	return true;
}

bool HttpServlet::start(void)
{