// Return a string dump of a WebSocket frame: Its opcode, length, first line (if present),
// flags. For human-readable logging purposes. Format not guaranteed to be stable. Not to be
// inspected programmatically.
inline
std::string getAbbreviatedFrameDump(const char *message, const int length, const int flags)
{
std::ostringstream result;
switch (flags & Poco::Net::WebSocket::FRAME_OP_BITMASK)
{
#define CASE(x) case Poco::Net::WebSocket::FRAME_OP_##x: result << #x; break
CASE(CONT);
CASE(TEXT);
CASE(BINARY);
CASE(CLOSE);
CASE(PING);
CASE(PONG);
#undef CASE
default:
result << Poco::format("%#x", flags);
break;
}
result << " " << std::setw(3) << length << " bytes";
if (length > 0 &&
((flags & Poco::Net::WebSocket::FRAME_OP_BITMASK) == Poco::Net::WebSocket::FRAME_OP_TEXT ||
(flags & Poco::Net::WebSocket::FRAME_OP_BITMASK) == Poco::Net::WebSocket::FRAME_OP_BINARY ||
(flags & Poco::Net::WebSocket::FRAME_OP_BITMASK) == Poco::Net::WebSocket::FRAME_OP_PING ||
(flags & Poco::Net::WebSocket::FRAME_OP_BITMASK) == Poco::Net::WebSocket::FRAME_OP_PONG))
result << ": '" << getAbbreviatedMessage(message, length) << "'";
return result.str();
}
std::string getAbbreviatedMessage(const T& message)
{
return getAbbreviatedMessage(message.data(), message.size());
}