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69 lines
1.4 KiB
C++
69 lines
1.4 KiB
C++
#pragma once
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/// Constants and utility functions related to WebSocket opcodes
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/**
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* WebSocket Opcodes are 4 bits. See RFC6455 section 5.2.
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*/
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namespace OPCODE {
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enum value {
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CONTINUATION = 0x0,
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TEXT = 0x1,
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BINARY = 0x2,
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RSV3 = 0x3,
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RSV4 = 0x4,
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RSV5 = 0x5,
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RSV6 = 0x6,
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RSV7 = 0x7,
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CLOSE = 0x8,
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PING = 0x9,
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PONG = 0xA,
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CONTROL_RSVB = 0xB,
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CONTROL_RSVC = 0xC,
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CONTROL_RSVD = 0xD,
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CONTROL_RSVE = 0xE,
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CONTROL_RSVF = 0xF
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};
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/// Check if an opcode is reserved
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/**
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* @param v The opcode to test.
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* @return Whether or not the opcode is reserved.
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*/
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inline bool reserved(value v) {
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return (v >= RSV3 && v <= RSV7) || (v >= CONTROL_RSVB && v <= CONTROL_RSVF);
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}
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/// Check if an opcode is invalid
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/**
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* Invalid opcodes are negative or require greater than 4 bits to store.
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*
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* @param v The opcode to test.
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* @return Whether or not the opcode is invalid.
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*/
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inline bool invalid(value v) {
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return (v > 0xF || v < 0);
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}
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/// Check if an opcode is for a control frame
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/**
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* @param v The opcode to test.
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* @return Whether or not the opcode is a control opcode.
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*/
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inline bool is_control(value v) {
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return v >= 0x8;
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}
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}
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namespace CLOSECODE {
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enum value {
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NORMAL = 1000,
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AWAY = 1001,
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TERM = 1002,
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INV_TYPE = 1003,
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INV_DATA = 1007,
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VIOLATION = 1008,
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BIG_MSG = 1009,
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UNEXPECTED= 1011
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};
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}
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