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/**
* @file websocketprotocol.h
* @brief Contains constants related to the WebSocket standard.
* @author Kurt Pattyn (pattyn.kurt@gmail.com)
*/
#ifndef WEBSOCKETPROTOCOL_H
#define WEBSOCKETPROTOCOL_H
class QString;
class QByteArray;
#include <qglobal.h>
namespace WebSocketProtocol
{
enum Version
{
V_Unknow = -1,
V_0 = 0,
//hybi-01, hybi-02 and hybi-03 not supported
V_4 = 4,
V_5 = 5,
V_6 = 6,
V_7 = 7,
V_8 = 8,
V_13 = 13,
V_LATEST = V_13
};
Version versionFromString(const QString &versionString);
enum CloseCode
{
CC_NORMAL = 1000,
CC_GOING_AWAY = 1001,
CC_PROTOCOL_ERROR = 1002,
CC_DATATYPE_NOT_SUPPORTED = 1003,
CC_RESERVED_1004 = 1004,
CC_MISSING_STATUS_CODE = 1005,
CC_ABNORMAL_DISCONNECTION = 1006,
CC_WRONG_DATATYPE = 1007,
CC_POLICY_VIOLATED = 1008,
CC_TOO_MUCH_DATA = 1009,
CC_MISSING_EXTENSION = 1010,
CC_BAD_OPERATION = 1011,
CC_TLS_HANDSHAKE_FAILED = 1015
};
enum OpCode
{
OC_CONTINUE = 0x0,
OC_TEXT = 0x1,
OC_BINARY = 0x2,
OC_RESERVED_3 = 0x3,
OC_RESERVED_4 = 0x4,
OC_RESERVED_5 = 0x5,
OC_RESERVED_6 = 0x6,
OC_RESERVED_7 = 0x7,
OC_CLOSE = 0x8,
OC_PING = 0x9,
OC_PONG = 0xA,
OC_RESERVED_B = 0xB,
OC_RESERVED_V = 0xC,
OC_RESERVED_D = 0xD,
OC_RESERVED_E = 0xE,
OC_RESERVED_F = 0xF
};
inline bool isOpCodeReserved(OpCode code)
{
return ((code > OC_BINARY) && (code < OC_CLOSE)) || (code > OC_PONG);
}
inline bool isCloseCodeValid(int closeCode)
{
return (closeCode > 999) && (closeCode < 5000) &&
(closeCode != CC_RESERVED_1004) && //see RFC6455 7.4.1
(closeCode != CC_MISSING_STATUS_CODE) &&
(closeCode != CC_ABNORMAL_DISCONNECTION) &&
((closeCode >= 3000) || (closeCode < 1012));
}
void mask(QByteArray *payload, quint32 maskingKey);
void mask(char *payload, quint64 size, quint32 maskingKey);
inline Version currentVersion() { return V_LATEST; }
} //end namespace WebSocketProtocol
#endif // WEBSOCKETPROTOCOL_H
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