Enumeration members
FORCE_CLOSE_ADMIN_KICK
FORCE_CLOSE_ADMIN_KICK: = 3
FORCE_CLOSE_AUTHENTICATION_FAIL
FORCE_CLOSE_AUTHENTICATION_FAIL: = 5
FORCE_CLOSE_CONTENT
FORCE_CLOSE_CONTENT: = 1
FORCE_CLOSE_DUPLICATE_LOGIN
FORCE_CLOSE_DUPLICATE_LOGIN: = 2
FORCE_CLOSE_MAINTENANCE
FORCE_CLOSE_MAINTENANCE: = 4
FORCE_CLOSE_SYSTEM
FORCE_CLOSE_SYSTEM: = 0
SOCKET_DISCONNECT
SOCKET_DISCONNECT: = 100
SOCKET_ERROR
SOCKET_ERROR: = 102
SOCKET_TIME_OUT
SOCKET_TIME_OUT: = 101
Disconnect가 된 이유