void WebSocketFramer::acceptRequest(http::Request& request, http::Response& response)
{
if (util::icompare(request.get("Connection", ""), "upgrade") == 0 &&
util::icompare(request.get("Upgrade", ""), "websocket") == 0) {
std::string version = request.get("Sec-WebSocket-Version", "");
if (version.empty()) throw std::runtime_error("WebSocket error: Missing Sec-WebSocket-Version in handshake request"); //, ws::ErrorHandshakeNoVersion
if (version != ws::ProtocolVersion) throw std::runtime_error("WebSocket error: Unsupported WebSocket version requested: " + version); //, ws::ErrorHandshakeUnsupportedVersion
std::string key = util::trim(request.get("Sec-WebSocket-Key", ""));
if (key.empty()) throw std::runtime_error("WebSocket error: Missing Sec-WebSocket-Key in handshake request"); //, ws::ErrorHandshakeNoKey
response.setStatus(http::StatusCode::SwitchingProtocols);
response.set("Upgrade", "websocket");
response.set("Connection", "Upgrade");
response.set("Sec-WebSocket-Accept", computeAccept(key));
// Set headerState 2 since the handshake was accepted.
_headerState = 2;
}
else throw std::runtime_error("WebSocket error: No WebSocket handshake"); //, ws::ErrorNoHandshake
}
