```
public interface XrootdProtocol
```

Nested Class Summary

Nested Classes
Modifier and Type Interface Description

static class XrootdProtocol.FilePerm

Field Summary

Fields
Modifier and Type	Field	Description
`static byte`	`CLIENT_HANDSHAKE_LEN`
`static byte`	`CLIENT_REQUEST_LEN`
`static int`	`DATA_SERVER`
`static int`	`DEFAULT_PORT`	_______________________________________________________________________ XROOTD4J INTERNALS _______________________________________________________________________
`static byte[]`	`HANDSHAKE_REQUEST`	_______________________________________________________________________ HANDSHAKE _______________________________________________________________________
`static byte[]`	`HANDSHAKE_RESPONSE_DATASERVER`
`static byte[]`	`HANDSHAKE_RESPONSE_LOADBALANCER`
`static byte`	`kXR_ableTLS`
`static int`	`kXR_anongpf`	_______________________________________________________________________ PROTOCOL RESPONSE FLAGS _______________________________________________________________________
`static int`	`kXR_ArgInvalid`	_______________________________________________________________________ SERVER ERROR CODES (with corresponding POSIX errno) _______________________________________________________________________
`static int`	`kXR_ArgMissing`
`static int`	`kXR_ArgTooLong`
`static int`	`kXR_async`
`static int`	`kXR_asyncab`	_______________________________________________________________________ SERVER ATTN CODES _______________________________________________________________________
`static int`	`kXR_asyncap`
`static int`	`kXR_asyncav`
`static int`	`kXR_asyncdi`
`static int`	`kXR_asyncgo`
`static int`	`kXR_asyncms`
`static int`	`kXR_asyncrd`
`static int`	`kXR_asyncwt`
`static int`	`kXR_asyninfo`
`static int`	`kXR_asynresp`
`static int`	`kXR_asynunav`
`static int`	`kXR_attn`
`static int`	`kXR_attrMeta`
`static int`	`kXR_AttrNotFound`
`static int`	`kXR_attrProxy`
`static int`	`kXR_attrSuper`
`static int`	`kXR_auth`
`static int`	`kXR_AuthFailed`
`static int`	`kXR_authmore`
`static int`	`kXR_BadPayload`
`static int`	`kXR_bind`
`static int`	`kXR_bkpexist`
`static int`	`kXR_cancel`	_______________________________________________________________________ PREPARE REQUEST OPTIONS _______________________________________________________________________
`static int`	`kXR_Cancelled`
`static int`	`kXR_chkpoint`
`static int`	`kXR_ChkSumErr`
`static int`	`kXR_chmod`
`static int`	`kXR_close`
`static int`	`kXR_coloc`
`static int`	`kXR_compress`	_______________________________________________________________________ OPEN REQUEST OPTIONS _______________________________________________________________________
`static int`	`kXR_Conflict`
`static int`	`kXR_crc32`
`static int`	`kXR_DataServer`
`static int`	`kXR_DecryptErr`
`static int`	`kXR_delete`
`static int`	`kXR_dirlist`
`static int`	`kXR_dstat`
`static int`	`kXR_endsess`
`static int`	`kXR_error`
`static int`	`kXR_evict`
`static byte`	`kXR_ExpBind`
`static byte`	`kXR_ExpGPF`
`static byte`	`kXR_ExpGPFA`
`static byte`	`kXR_ExpLogin`
`static byte`	`kXR_expMask`	_______________________________________________________________________ PROTOCOL REQUEST EXPECT _______________________________________________________________________
`static byte`	`kXR_ExpNone`
`static byte`	`kXR_ExpTPC`
`static int`	`kXR_fattr`
`static int`	`kXR_file`	_______________________________________________________________________ STAT RESPONSE FLAGS _______________________________________________________________________
`static int`	`kXR_FileLocked`
`static int`	`kXR_FileLockedr`	Deprecated.
`static int`	`kXR_FileNotOpen`
`static int`	`kXR_force`
`static int`	`kXR_fresh`
`static int`	`kXR_FSError`
`static int`	`kXR_fsReadOnly`
`static int`	`kXR_fullurl`
`static int`	`kXR_gotoTLS`
`static int`	`kXR_gpfile`
`static int`	`kXR_gr`
`static int`	`kXR_gw`
`static int`	`kXR_gx`
`static int`	`kXR_handshake`	_______________________________________________________________________ CLIENT REQUEST TYPES _______________________________________________________________________
`static int`	`kXR_hasipv64`
`static int`	`kXR_haveTLS`
`static int`	`kXR_Impossible`
`static int`	`kXR_inProgress`
`static int`	`kXR_InvalidRequest`
`static int`	`kXR_IOError`
`static int`	`kXR_isDir`
`static int`	`kXR_isDirectory`
`static int`	`kXR_isManager`
`static int`	`kXR_isServer`
`static int`	`kXR_ItExists`
`static int`	`kXR_LBalServer`	_______________________________________________________________________ SERVER TYPE Flag values in the kXR_protocol response.
`static int`	`kXR_lclfile`
`static int`	`kXR_lcvnone`	_______________________________________________________________________ LOGIN CAPABILITY VERSION _______________________________________________________________________
`static int`	`kXR_locate`
`static int`	`kXR_login`
`static int`	`kXR_mkdir`
`static int`	`kXR_mkdirpath`
`static int`	`kXR_mknone`	_______________________________________________________________________ MKDIR OPTIONS _______________________________________________________________________
`static int`	`kXR_mkpath`
`static int`	`kXR_multipr`
`static int`	`kXR_mv`
`static int`	`kXR_new`
`static int`	`kXR_nocrc`	_______________________________________________________________________ VERIFICATION TYPES _______________________________________________________________________
`static int`	`kXR_noErrorYet`
`static int`	`kXR_noerrs`
`static int`	`kXR_NoMemory`
`static int`	`kXR_noReplicas`
`static int`	`kXR_noResponsesYet`
`static int`	`kXR_noserver`
`static int`	`kXR_NoSpace`
`static int`	`kXR_NotAuthorized`
`static int`	`kXR_NotFile`
`static int`	`kXR_NotFound`
`static int`	`kXR_nothing`	_______________________________________________________________________ LOGIN CAPABILITY _______________________________________________________________________
`static int`	`kXR_notify`
`static int`	`kXR_nowait`
`static int`	`kXR_offline`
`static int`	`kXR_ok`	_______________________________________________________________________ SERVER RESPONSE TYPES _______________________________________________________________________
`static int`	`kXR_oksofar`
`static int`	`kXR_online`	_______________________________________________________________________ DIR LIST REQUEST OPTIONS _______________________________________________________________________
`static int`	`kXR_onlyprv4`
`static int`	`kXR_onlyprv6`
`static int`	`kXR_open`
`static int`	`kXR_open_apnd`
`static int`	`kXR_open_read`
`static int`	`kXR_open_updt`
`static int`	`kXR_open_wrto`
`static int`	`kXR_opscpend`	Deprecated.
`static int`	`kXR_or`
`static int`	`kXR_other`
`static int`	`kXR_Overloaded`
`static int`	`kXR_overQuota`
`static int`	`kXR_ow`
`static int`	`kXR_ox`
`static int`	`kXR_pgread`
`static int`	`kXR_pgwrite`
`static int`	`kXR_ping`
`static int`	`kXR_posc`
`static int`	`kXR_poscpend`
`static int`	`kXR_prefname`
`static int`	`kXR_prepare`
`static int`	`kXR_protocol`
`static int`	`kXR_Qckscan`
`static int`	`kXR_Qcksum`
`static int`	`kXR_Qconfig`
`static int`	`kXR_Qopaque`
`static int`	`kXR_Qopaquf`
`static int`	`kXR_Qopaqug`
`static int`	`kXR_QPrep`
`static int`	`kXR_Qspace`
`static int`	`kXR_QStats`	_______________________________________________________________________ QUERY REQUEST TYPES _______________________________________________________________________
`static int`	`kXR_query`
`static int`	`kXR_Qvisa`
`static int`	`kXR_Qxattr`
`static int`	`kXR_read`
`static int`	`kXR_readable`
`static int`	`kXR_readrdok`
`static int`	`kXR_readv`
`static int`	`kXR_redirect`
`static int`	`kXR_refresh`
`static int`	`kXR_replica`
`static int`	`kXR_REQFENCE`
`static int`	`kXR_retstat`
`static int`	`kXR_rm`
`static int`	`kXR_rmdir`
`static byte`	`kXR_secreqs`	_______________________________________________________________________ PROTOCOL REQUEST FLAGS _______________________________________________________________________
`static int`	`kXR_seqio`
`static int`	`kXR_ServerError`
`static int`	`kXR_set`
`static int`	`kXR_sigver`
`static int`	`kXR_SigVerErr`
`static int`	`kXR_stage`
`static int`	`kXR_stat`
`static int`	`kXR_statx`
`static int`	`kXR_supgpf`
`static int`	`kXR_suppgrw`
`static int`	`kXR_supposc`
`static int`	`kXR_sync`
`static int`	`kXR_tlsAny`
`static int`	`kXR_tlsData`
`static int`	`kXR_tlsGPF`
`static int`	`kXR_tlsGPFA`
`static int`	`kXR_tlsLogin`
`static int`	`kXR_TLSRequired`
`static int`	`kXR_tlsSess`
`static int`	`kXR_tlsTPC`
`static int`	`kXR_truncate`
`static int`	`kXR_Unsupported`
`static int`	`kXR_ur`	_______________________________________________________________________ OPEN MODE FOR A REMOTE FILE _______________________________________________________________________
`static byte`	`kXR_useradmin`
`static byte`	`kXR_useruser`	_______________________________________________________________________ LOGON TYPES _______________________________________________________________________
`static int`	`kXR_usetcp`
`static int`	`kXR_uw`
`static int`	`kXR_ux`
`static int`	`kXR_ver000`	_______________________________________________________________________ a single number that goes into capver as the version _______________________________________________________________________
`static int`	`kXR_ver001`
`static int`	`kXR_ver002`
`static int`	`kXR_ver003`
`static int`	`kXR_ver004`
`static int`	`kXR_ver005`
`static int`	`kXR_vermask`
`static int`	`kXR_vfs`	_______________________________________________________________________ STAT REQUEST OPTIONS _______________________________________________________________________
`static int`	`kXR_wait`
`static int`	`kXR_waitresp`
`static byte`	`kXR_wantTLS`
`static int`	`kXR_wmode`
`static int`	`kXR_writable`
`static int`	`kXR_write`
`static int`	`kXR_writev`
`static int`	`kXR_xset`
`static int`	`LOAD_BALANCER`	_______________________________________________________________________ KINDS OF SERVERS -- for backward compatibility _______________________________________________________________________
`static byte`	`OPAQUE_DELIMITER`
`static int`	`PROTOCOL_SIGN_VERSION`
`static int`	`PROTOCOL_TLS_VERSION`
`static int`	`PROTOCOL_VERSION`	_______________________________________________________________________ VERSIONING Protocol version is represented as three base10 digits x.y.z with x having no upper limit (i.e.
`static byte`	`PROTOCOL_VERSION_MAJOR`
`static byte`	`PROTOCOL_VERSION_MINOR`
`static byte`	`SERVER_RESPONSE_LEN`
`static int`	`SESSION_ID_SIZE`
`static int`	`TPC_VERSION`
`static java.lang.String`	`UUID_PREFIX`

Method Summary

Static Methods
Modifier and Type Method Description

static java.lang.String getClientRequest(int code)

static java.lang.String getServerError(int code)

- Field Detail
  - DEFAULT_PORT
```
static final int DEFAULT_PORT
```
    _______________________________________________________________________ XROOTD4J INTERNALS _______________________________________________________________________
    
    See Also:
    
    Constant Field Values
  - CLIENT_REQUEST_LEN
```
static final byte CLIENT_REQUEST_LEN
```
    See Also:
    
    Constant Field Values
  - CLIENT_HANDSHAKE_LEN
```
static final byte CLIENT_HANDSHAKE_LEN
```
    See Also:
    
    Constant Field Values
  - SERVER_RESPONSE_LEN
```
static final byte SERVER_RESPONSE_LEN
```
    See Also:
    
    Constant Field Values
  - SESSION_ID_SIZE
```
static final int SESSION_ID_SIZE
```
    See Also:
    
    Constant Field Values
  - OPAQUE_DELIMITER
```
static final byte OPAQUE_DELIMITER
```
    See Also:
    
    Constant Field Values
  - UUID_PREFIX
```
static final java.lang.String UUID_PREFIX
```
    See Also:
    
    Constant Field Values
  - PROTOCOL_VERSION
```
static final int PROTOCOL_VERSION
```
    _______________________________________________________________________ VERSIONING Protocol version is represented as three base10 digits x.y.z with x having no upper limit (i.e. n.9.9 + 1 -> n+1.0.0). PROTOCOL_SIGN_VERSION defines the protocol version where request signing became available. _______________________________________________________________________
    
    See Also:
    
    Constant Field Values
  - PROTOCOL_SIGN_VERSION
```
static final int PROTOCOL_SIGN_VERSION
```
    See Also:
    
    Constant Field Values
  - PROTOCOL_TLS_VERSION
```
static final int PROTOCOL_TLS_VERSION
```
    See Also:
    
    Constant Field Values
  - PROTOCOL_VERSION_MAJOR
```
static final byte PROTOCOL_VERSION_MAJOR
```
    See Also:
    
    Constant Field Values
  - PROTOCOL_VERSION_MINOR
```
static final byte PROTOCOL_VERSION_MINOR
```
    See Also:
    
    Constant Field Values
  - TPC_VERSION
```
static final int TPC_VERSION
```
    See Also:
    
    Constant Field Values
  - kXR_LBalServer
```
static final int kXR_LBalServer
```
    _______________________________________________________________________ SERVER TYPE Flag values in the kXR_protocol response. Defined for protocol version 2.9.7 or higher. (see further below for other PROTOCOL RESPONSE flags) _______________________________________________________________________
    
    See Also:
    
    Constant Field Values
  - kXR_DataServer
```
static final int kXR_DataServer
```
    See Also:
    
    Constant Field Values
  - kXR_isManager
```
static final int kXR_isManager
```
    See Also:
    
    Constant Field Values
  - kXR_isServer
```
static final int kXR_isServer
```
    See Also:
    
    Constant Field Values
  - kXR_attrMeta
```
static final int kXR_attrMeta
```
    See Also:
    
    Constant Field Values
  - kXR_attrProxy
```
static final int kXR_attrProxy
```
    See Also:
    
    Constant Field Values
  - kXR_attrSuper
```
static final int kXR_attrSuper
```
    See Also:
    
    Constant Field Values
  - LOAD_BALANCER
```
static final int LOAD_BALANCER
```
    _______________________________________________________________________ KINDS OF SERVERS -- for backward compatibility _______________________________________________________________________
    
    See Also:
    
    Constant Field Values
  - DATA_SERVER
```
static final int DATA_SERVER
```
    See Also:
    
    Constant Field Values
  - HANDSHAKE_REQUEST
```
static final byte[] HANDSHAKE_REQUEST
```
    _______________________________________________________________________ HANDSHAKE _______________________________________________________________________
  - HANDSHAKE_RESPONSE_LOADBALANCER
```
static final byte[] HANDSHAKE_RESPONSE_LOADBALANCER
```
  - HANDSHAKE_RESPONSE_DATASERVER
```
static final byte[] HANDSHAKE_RESPONSE_DATASERVER
```
  - kXR_handshake
```
static final int kXR_handshake
```
    _______________________________________________________________________ CLIENT REQUEST TYPES _______________________________________________________________________
    
    See Also:
    
    Constant Field Values
  - kXR_auth
```
static final int kXR_auth
```
    See Also:
    
    Constant Field Values
  - kXR_query
```
static final int kXR_query
```
    See Also:
    
    Constant Field Values
  - kXR_chmod
```
static final int kXR_chmod
```
    See Also:
    
    Constant Field Values
  - kXR_close
```
static final int kXR_close
```
    See Also:
    
    Constant Field Values
  - kXR_dirlist
```
static final int kXR_dirlist
```
    See Also:
    
    Constant Field Values
  - kXR_gpfile
```
static final int kXR_gpfile
```
    See Also:
    
    Constant Field Values
  - kXR_protocol
```
static final int kXR_protocol
```
    See Also:
    
    Constant Field Values
  - kXR_login
```
static final int kXR_login
```
    See Also:
    
    Constant Field Values
  - kXR_mkdir
```
static final int kXR_mkdir
```
    See Also:
    
    Constant Field Values
  - kXR_mv
```
static final int kXR_mv
```
    See Also:
    
    Constant Field Values
  - kXR_open
```
static final int kXR_open
```
    See Also:
    
    Constant Field Values
  - kXR_ping
```
static final int kXR_ping
```
    See Also:
    
    Constant Field Values
  - kXR_chkpoint
```
static final int kXR_chkpoint
```
    See Also:
    
    Constant Field Values
  - kXR_read
```
static final int kXR_read
```
    See Also:
    
    Constant Field Values
  - kXR_rm
```
static final int kXR_rm
```
    See Also:
    
    Constant Field Values
  - kXR_rmdir
```
static final int kXR_rmdir
```
    See Also:
    
    Constant Field Values
  - kXR_sync
```
static final int kXR_sync
```
    See Also:
    
    Constant Field Values
  - kXR_stat
```
static final int kXR_stat
```
    See Also:
    
    Constant Field Values
  - kXR_set
```
static final int kXR_set
```
    See Also:
    
    Constant Field Values
  - kXR_write
```
static final int kXR_write
```
    See Also:
    
    Constant Field Values
  - kXR_fattr
```
static final int kXR_fattr
```
    See Also:
    
    Constant Field Values
  - kXR_prepare
```
static final int kXR_prepare
```
    See Also:
    
    Constant Field Values
  - kXR_statx
```
static final int kXR_statx
```
    See Also:
    
    Constant Field Values
  - kXR_endsess
```
static final int kXR_endsess
```
    See Also:
    
    Constant Field Values
  - kXR_bind
```
static final int kXR_bind
```
    See Also:
    
    Constant Field Values
  - kXR_readv
```
static final int kXR_readv
```
    See Also:
    
    Constant Field Values
  - kXR_pgwrite
```
static final int kXR_pgwrite
```
    See Also:
    
    Constant Field Values
  - kXR_locate
```
static final int kXR_locate
```
    See Also:
    
    Constant Field Values
  - kXR_truncate
```
static final int kXR_truncate
```
    See Also:
    
    Constant Field Values
  - kXR_sigver
```
static final int kXR_sigver
```
    See Also:
    
    Constant Field Values
  - kXR_pgread
```
static final int kXR_pgread
```
    See Also:
    
    Constant Field Values
  - kXR_writev
```
static final int kXR_writev
```
    See Also:
    
    Constant Field Values
  - kXR_REQFENCE
```
static final int kXR_REQFENCE
```
    See Also:
    
    Constant Field Values
  - kXR_ur
```
static final int kXR_ur
```
    _______________________________________________________________________ OPEN MODE FOR A REMOTE FILE _______________________________________________________________________
    
    See Also:
    
    Constant Field Values
  - kXR_uw
```
static final int kXR_uw
```
    See Also:
    
    Constant Field Values
  - kXR_ux
```
static final int kXR_ux
```
    See Also:
    
    Constant Field Values
  - kXR_gr
```
static final int kXR_gr
```
    See Also:
    
    Constant Field Values
  - kXR_gw
```
static final int kXR_gw
```
    See Also:
    
    Constant Field Values
  - kXR_gx
```
static final int kXR_gx
```
    See Also:
    
    Constant Field Values
  - kXR_or
```
static final int kXR_or
```
    See Also:
    
    Constant Field Values
  - kXR_ow
```
static final int kXR_ow
```
    See Also:
    
    Constant Field Values
  - kXR_ox
```
static final int kXR_ox
```
    See Also:
    
    Constant Field Values
  - kXR_mknone
```
static final int kXR_mknone
```
    _______________________________________________________________________ MKDIR OPTIONS _______________________________________________________________________
    
    See Also:
    
    Constant Field Values
  - kXR_mkdirpath
```
static final int kXR_mkdirpath
```
    See Also:
    
    Constant Field Values
  - kXR_nothing
```
static final int kXR_nothing
```
    _______________________________________________________________________ LOGIN CAPABILITY _______________________________________________________________________
    
    See Also:
    
    Constant Field Values
  - kXR_fullurl
```
static final int kXR_fullurl
```
    See Also:
    
    Constant Field Values
  - kXR_multipr
```
static final int kXR_multipr
```
    See Also:
    
    Constant Field Values
  - kXR_readrdok
```
static final int kXR_readrdok
```
    See Also:
    
    Constant Field Values
  - kXR_hasipv64
```
static final int kXR_hasipv64
```
    See Also:
    
    Constant Field Values
  - kXR_onlyprv4
```
static final int kXR_onlyprv4
```
    See Also:
    
    Constant Field Values
  - kXR_onlyprv6
```
static final int kXR_onlyprv6
```
    See Also:
    
    Constant Field Values
  - kXR_lclfile
```
static final int kXR_lclfile
```
    See Also:
    
    Constant Field Values
  - kXR_lcvnone
```
static final int kXR_lcvnone
```
    _______________________________________________________________________ LOGIN CAPABILITY VERSION _______________________________________________________________________
    
    See Also:
    
    Constant Field Values
  - kXR_vermask
```
static final int kXR_vermask
```
    See Also:
    
    Constant Field Values
  - kXR_asyncap
```
static final int kXR_asyncap
```
    See Also:
    
    Constant Field Values
  - kXR_ver000
```
static final int kXR_ver000
```
    _______________________________________________________________________ a single number that goes into capver as the version _______________________________________________________________________
    
    See Also:
    
    Constant Field Values
  - kXR_ver001
```
static final int kXR_ver001
```
    See Also:
    
    Constant Field Values
  - kXR_ver002
```
static final int kXR_ver002
```
    See Also:
    
    Constant Field Values
  - kXR_ver003
```
static final int kXR_ver003
```
    See Also:
    
    Constant Field Values
  - kXR_ver004
```
static final int kXR_ver004
```
    See Also:
    
    Constant Field Values
  - kXR_ver005
```
static final int kXR_ver005
```
    See Also:
    
    Constant Field Values
  - kXR_vfs
```
static final int kXR_vfs
```
    _______________________________________________________________________ STAT REQUEST OPTIONS _______________________________________________________________________
    
    See Also:
    
    Constant Field Values
  - kXR_file
```
static final int kXR_file
```
    _______________________________________________________________________ STAT RESPONSE FLAGS _______________________________________________________________________
    
    See Also:
    
    Constant Field Values
  - kXR_xset
```
static final int kXR_xset
```
    See Also:
    
    Constant Field Values
  - kXR_isDir
```
static final int kXR_isDir
```
    See Also:
    
    Constant Field Values
  - kXR_other
```
static final int kXR_other
```
    See Also:
    
    Constant Field Values
  - kXR_offline
```
static final int kXR_offline
```
    See Also:
    
    Constant Field Values
  - kXR_readable
```
static final int kXR_readable
```
    See Also:
    
    Constant Field Values
  - kXR_writable
```
static final int kXR_writable
```
    See Also:
    
    Constant Field Values
  - kXR_poscpend
```
static final int kXR_poscpend
```
    See Also:
    
    Constant Field Values
  - kXR_bkpexist
```
static final int kXR_bkpexist
```
    See Also:
    
    Constant Field Values
  - kXR_online
```
static final int kXR_online
```
    _______________________________________________________________________ DIR LIST REQUEST OPTIONS _______________________________________________________________________
    
    See Also:
    
    Constant Field Values
  - kXR_dstat
```
static final int kXR_dstat
```
    See Also:
    
    Constant Field Values
  - kXR_compress
```
static final int kXR_compress
```
    _______________________________________________________________________ OPEN REQUEST OPTIONS _______________________________________________________________________
    
    See Also:
    
    Constant Field Values
  - kXR_delete
```
static final int kXR_delete
```
    See Also:
    
    Constant Field Values
  - kXR_force
```
static final int kXR_force
```
    See Also:
    
    Constant Field Values
  - kXR_new
```
static final int kXR_new
```
    See Also:
    
    Constant Field Values
  - kXR_open_read
```
static final int kXR_open_read
```
    See Also:
    
    Constant Field Values
  - kXR_open_updt
```
static final int kXR_open_updt
```
    See Also:
    
    Constant Field Values
  - kXR_async
```
static final int kXR_async
```
    See Also:
    
    Constant Field Values
  - kXR_refresh
```
static final int kXR_refresh
```
    See Also:
    
    Constant Field Values
  - kXR_mkpath
```
static final int kXR_mkpath
```
    See Also:
    
    Constant Field Values
  - kXR_prefname
```
static final int kXR_prefname
```
    See Also:
    
    Constant Field Values
  - kXR_open_apnd
```
static final int kXR_open_apnd
```
    See Also:
    
    Constant Field Values
  - kXR_retstat
```
static final int kXR_retstat
```
    See Also:
    
    Constant Field Values
  - kXR_replica
```
static final int kXR_replica
```
    See Also:
    
    Constant Field Values
  - kXR_posc
```
static final int kXR_posc
```
    See Also:
    
    Constant Field Values
  - kXR_nowait
```
static final int kXR_nowait
```
    See Also:
    
    Constant Field Values
  - kXR_seqio
```
static final int kXR_seqio
```
    See Also:
    
    Constant Field Values
  - kXR_open_wrto
```
static final int kXR_open_wrto
```
    See Also:
    
    Constant Field Values
  - kXR_opscpend
```
@Deprecated
static final int kXR_opscpend
```
    Deprecated.
    
    See Also:
    
    Constant Field Values
  - kXR_secreqs
```
static final byte kXR_secreqs
```
    _______________________________________________________________________ PROTOCOL REQUEST FLAGS _______________________________________________________________________
    
    See Also:
    
    Constant Field Values
  - kXR_ableTLS
```
static final byte kXR_ableTLS
```
    See Also:
    
    Constant Field Values
  - kXR_wantTLS
```
static final byte kXR_wantTLS
```
    See Also:
    
    Constant Field Values
  - kXR_expMask
```
static final byte kXR_expMask
```
    _______________________________________________________________________ PROTOCOL REQUEST EXPECT _______________________________________________________________________
    
    See Also:
    
    Constant Field Values
  - kXR_ExpNone
```
static final byte kXR_ExpNone
```
    See Also:
    
    Constant Field Values
  - kXR_ExpBind
```
static final byte kXR_ExpBind
```
    See Also:
    
    Constant Field Values
  - kXR_ExpGPF
```
static final byte kXR_ExpGPF
```
    See Also:
    
    Constant Field Values
  - kXR_ExpGPFA
```
static final byte kXR_ExpGPFA
```
    See Also:
    
    Constant Field Values
  - kXR_ExpLogin
```
static final byte kXR_ExpLogin
```
    See Also:
    
    Constant Field Values
  - kXR_ExpTPC
```
static final byte kXR_ExpTPC
```
    See Also:
    
    Constant Field Values
  - kXR_anongpf
```
static final int kXR_anongpf
```
    _______________________________________________________________________ PROTOCOL RESPONSE FLAGS _______________________________________________________________________
    
    See Also:
    
    Constant Field Values
  - kXR_supgpf
```
static final int kXR_supgpf
```
    See Also:
    
    Constant Field Values
  - kXR_suppgrw
```
static final int kXR_suppgrw
```
    See Also:
    
    Constant Field Values
  - kXR_supposc
```
static final int kXR_supposc
```
    See Also:
    
    Constant Field Values
  - kXR_haveTLS
```
static final int kXR_haveTLS
```
    See Also:
    
    Constant Field Values
  - kXR_gotoTLS
```
static final int kXR_gotoTLS
```
    See Also:
    
    Constant Field Values
  - kXR_tlsAny
```
static final int kXR_tlsAny
```
    See Also:
    
    Constant Field Values
  - kXR_tlsData
```
static final int kXR_tlsData
```
    See Also:
    
    Constant Field Values
  - kXR_tlsGPF
```
static final int kXR_tlsGPF
```
    See Also:
    
    Constant Field Values
  - kXR_tlsGPFA
```
static final int kXR_tlsGPFA
```
    See Also:
    
    Constant Field Values
  - kXR_tlsLogin
```
static final int kXR_tlsLogin
```
    See Also:
    
    Constant Field Values
  - kXR_tlsSess
```
static final int kXR_tlsSess
```
    See Also:
    
    Constant Field Values
  - kXR_tlsTPC
```
static final int kXR_tlsTPC
```
    See Also:
    
    Constant Field Values
  - kXR_QStats
```
static final int kXR_QStats
```
    _______________________________________________________________________ QUERY REQUEST TYPES _______________________________________________________________________
    
    See Also:
    
    Constant Field Values
  - kXR_QPrep
```
static final int kXR_QPrep
```
    See Also:
    
    Constant Field Values
  - kXR_Qcksum
```
static final int kXR_Qcksum
```
    See Also:
    
    Constant Field Values
  - kXR_Qxattr
```
static final int kXR_Qxattr
```
    See Also:
    
    Constant Field Values
  - kXR_Qspace
```
static final int kXR_Qspace
```
    See Also:
    
    Constant Field Values
  - kXR_Qckscan
```
static final int kXR_Qckscan
```
    See Also:
    
    Constant Field Values
  - kXR_Qconfig
```
static final int kXR_Qconfig
```
    See Also:
    
    Constant Field Values
  - kXR_Qvisa
```
static final int kXR_Qvisa
```
    See Also:
    
    Constant Field Values
  - kXR_Qopaque
```
static final int kXR_Qopaque
```
    See Also:
    
    Constant Field Values
  - kXR_Qopaquf
```
static final int kXR_Qopaquf
```
    See Also:
    
    Constant Field Values
  - kXR_Qopaqug
```
static final int kXR_Qopaqug
```
    See Also:
    
    Constant Field Values
  - kXR_nocrc
```
static final int kXR_nocrc
```
    _______________________________________________________________________ VERIFICATION TYPES _______________________________________________________________________
    
    See Also:
    
    Constant Field Values
  - kXR_crc32
```
static final int kXR_crc32
```
    See Also:
    
    Constant Field Values
  - kXR_useruser
```
static final byte kXR_useruser
```
    _______________________________________________________________________ LOGON TYPES _______________________________________________________________________
    
    See Also:
    
    Constant Field Values
  - kXR_useradmin
```
static final byte kXR_useradmin
```
    See Also:
    
    Constant Field Values
  - kXR_cancel
```
static final int kXR_cancel
```
    _______________________________________________________________________ PREPARE REQUEST OPTIONS _______________________________________________________________________
    
    See Also:
    
    Constant Field Values
  - kXR_notify
```
static final int kXR_notify
```
    See Also:
    
    Constant Field Values
  - kXR_noerrs
```
static final int kXR_noerrs
```
    See Also:
    
    Constant Field Values
  - kXR_stage
```
static final int kXR_stage
```
    See Also:
    
    Constant Field Values
  - kXR_wmode
```
static final int kXR_wmode
```
    See Also:
    
    Constant Field Values
  - kXR_coloc
```
static final int kXR_coloc
```
    See Also:
    
    Constant Field Values
  - kXR_fresh
```
static final int kXR_fresh
```
    See Also:
    
    Constant Field Values
  - kXR_usetcp
```
static final int kXR_usetcp
```
    See Also:
    
    Constant Field Values
  - kXR_evict
```
static final int kXR_evict
```
    See Also:
    
    Constant Field Values
  - kXR_ok
```
static final int kXR_ok
```
    _______________________________________________________________________ SERVER RESPONSE TYPES _______________________________________________________________________
    
    See Also:
    
    Constant Field Values
  - kXR_oksofar
```
static final int kXR_oksofar
```
    See Also:
    
    Constant Field Values
  - kXR_attn
```
static final int kXR_attn
```
    See Also:
    
    Constant Field Values
  - kXR_authmore
```
static final int kXR_authmore
```
    See Also:
    
    Constant Field Values
  - kXR_error
```
static final int kXR_error
```
    See Also:
    
    Constant Field Values
  - kXR_redirect
```
static final int kXR_redirect
```
    See Also:
    
    Constant Field Values
  - kXR_wait
```
static final int kXR_wait
```
    See Also:
    
    Constant Field Values
  - kXR_waitresp
```
static final int kXR_waitresp
```
    See Also:
    
    Constant Field Values
  - kXR_noResponsesYet
```
static final int kXR_noResponsesYet
```
    See Also:
    
    Constant Field Values
  - kXR_asyncab
```
static final int kXR_asyncab
```
    _______________________________________________________________________ SERVER ATTN CODES _______________________________________________________________________
    
    See Also:
    
    Constant Field Values
  - kXR_asyncdi
```
static final int kXR_asyncdi
```
    See Also:
    
    Constant Field Values
  - kXR_asyncms
```
static final int kXR_asyncms
```
    See Also:
    
    Constant Field Values
  - kXR_asyncrd
```
static final int kXR_asyncrd
```
    See Also:
    
    Constant Field Values
  - kXR_asyncwt
```
static final int kXR_asyncwt
```
    See Also:
    
    Constant Field Values
  - kXR_asyncav
```
static final int kXR_asyncav
```
    See Also:
    
    Constant Field Values
  - kXR_asynunav
```
static final int kXR_asynunav
```
    See Also:
    
    Constant Field Values
  - kXR_asyncgo
```
static final int kXR_asyncgo
```
    See Also:
    
    Constant Field Values
  - kXR_asynresp
```
static final int kXR_asynresp
```
    See Also:
    
    Constant Field Values
  - kXR_asyninfo
```
static final int kXR_asyninfo
```
    See Also:
    
    Constant Field Values
  - kXR_ArgInvalid
```
static final int kXR_ArgInvalid
```
    _______________________________________________________________________ SERVER ERROR CODES (with corresponding POSIX errno) _______________________________________________________________________
    
    See Also:
    
    Constant Field Values
  - kXR_ArgMissing
```
static final int kXR_ArgMissing
```
    See Also:
    
    Constant Field Values
  - kXR_ArgTooLong
```
static final int kXR_ArgTooLong
```
    See Also:
    
    Constant Field Values
  - kXR_FileLocked
```
static final int kXR_FileLocked
```
    See Also:
    
    Constant Field Values
  - kXR_FileNotOpen
```
static final int kXR_FileNotOpen
```
    See Also:
    
    Constant Field Values
  - kXR_FSError
```
static final int kXR_FSError
```
    See Also:
    
    Constant Field Values
  - kXR_InvalidRequest
```
static final int kXR_InvalidRequest
```
    See Also:
    
    Constant Field Values
  - kXR_IOError
```
static final int kXR_IOError
```
    See Also:
    
    Constant Field Values
  - kXR_NoMemory
```
static final int kXR_NoMemory
```
    See Also:
    
    Constant Field Values
  - kXR_NoSpace
```
static final int kXR_NoSpace
```
    See Also:
    
    Constant Field Values
  - kXR_NotAuthorized
```
static final int kXR_NotAuthorized
```
    See Also:
    
    Constant Field Values
  - kXR_NotFound
```
static final int kXR_NotFound
```
    See Also:
    
    Constant Field Values
  - kXR_ServerError
```
static final int kXR_ServerError
```
    See Also:
    
    Constant Field Values
  - kXR_Unsupported
```
static final int kXR_Unsupported
```
    See Also:
    
    Constant Field Values
  - kXR_noserver
```
static final int kXR_noserver
```
    See Also:
    
    Constant Field Values
  - kXR_NotFile
```
static final int kXR_NotFile
```
    See Also:
    
    Constant Field Values
  - kXR_isDirectory
```
static final int kXR_isDirectory
```
    See Also:
    
    Constant Field Values
  - kXR_Cancelled
```
static final int kXR_Cancelled
```
    See Also:
    
    Constant Field Values
  - kXR_ItExists
```
static final int kXR_ItExists
```
    See Also:
    
    Constant Field Values
  - kXR_ChkSumErr
```
static final int kXR_ChkSumErr
```
    See Also:
    
    Constant Field Values
  - kXR_inProgress
```
static final int kXR_inProgress
```
    See Also:
    
    Constant Field Values
  - kXR_overQuota
```
static final int kXR_overQuota
```
    See Also:
    
    Constant Field Values
  - kXR_SigVerErr
```
static final int kXR_SigVerErr
```
    See Also:
    
    Constant Field Values
  - kXR_DecryptErr
```
static final int kXR_DecryptErr
```
    See Also:
    
    Constant Field Values
  - kXR_Overloaded
```
static final int kXR_Overloaded
```
    See Also:
    
    Constant Field Values
  - kXR_fsReadOnly
```
static final int kXR_fsReadOnly
```
    See Also:
    
    Constant Field Values
  - kXR_BadPayload
```
static final int kXR_BadPayload
```
    See Also:
    
    Constant Field Values
  - kXR_AttrNotFound
```
static final int kXR_AttrNotFound
```
    See Also:
    
    Constant Field Values
  - kXR_TLSRequired
```
static final int kXR_TLSRequired
```
    See Also:
    
    Constant Field Values
  - kXR_noReplicas
```
static final int kXR_noReplicas
```
    See Also:
    
    Constant Field Values
  - kXR_AuthFailed
```
static final int kXR_AuthFailed
```
    See Also:
    
    Constant Field Values
  - kXR_Impossible
```
static final int kXR_Impossible
```
    See Also:
    
    Constant Field Values
  - kXR_Conflict
```
static final int kXR_Conflict
```
    See Also:
    
    Constant Field Values
  - kXR_noErrorYet
```
static final int kXR_noErrorYet
```
    See Also:
    
    Constant Field Values
  - kXR_FileLockedr
```
@Deprecated
static final int kXR_FileLockedr
```
    Deprecated.
    
    See Also:
    
    Constant Field Values
- Method Detail
  - getClientRequest
```
static java.lang.String getClientRequest(int code)
```
  - getServerError
```
static java.lang.String getServerError(int code)
```

Modifier and Type	Method	Description
`static java.lang.String`	`getClientRequest(int code)`
`static java.lang.String`	`getServerError(int code)`

Interface XrootdProtocol

Nested Class Summary

Field Summary

Method Summary

Field Detail

DEFAULT_PORT

CLIENT_REQUEST_LEN

CLIENT_HANDSHAKE_LEN

SERVER_RESPONSE_LEN

SESSION_ID_SIZE

OPAQUE_DELIMITER

UUID_PREFIX

PROTOCOL_VERSION

PROTOCOL_SIGN_VERSION

PROTOCOL_TLS_VERSION

PROTOCOL_VERSION_MAJOR

PROTOCOL_VERSION_MINOR

TPC_VERSION

kXR_LBalServer

kXR_DataServer

kXR_isManager

kXR_isServer

kXR_attrMeta

kXR_attrProxy

kXR_attrSuper

LOAD_BALANCER

DATA_SERVER

HANDSHAKE_REQUEST

HANDSHAKE_RESPONSE_LOADBALANCER

HANDSHAKE_RESPONSE_DATASERVER

kXR_handshake

kXR_auth

kXR_query

kXR_chmod

kXR_close

kXR_dirlist

kXR_gpfile

kXR_protocol

kXR_login

kXR_mkdir

kXR_mv

kXR_open

kXR_ping

kXR_chkpoint

kXR_read

kXR_rm

kXR_rmdir

kXR_sync

kXR_stat

kXR_set

kXR_write

kXR_fattr

kXR_prepare

kXR_statx

kXR_endsess

kXR_bind

kXR_readv

kXR_pgwrite

kXR_locate

kXR_truncate

kXR_sigver

kXR_pgread

kXR_writev

kXR_REQFENCE

kXR_ur

kXR_uw

kXR_ux

kXR_gr

kXR_gw

kXR_gx

kXR_or

kXR_ow

kXR_ox

kXR_mknone

kXR_mkdirpath

kXR_nothing

kXR_fullurl

kXR_multipr

kXR_readrdok

kXR_hasipv64