1package rsync
  2
  3// Protocol versions this implementation speaks. 27 is rsync 2.6.0 and 31 is
  4// what every rsync since 3.1.0 negotiates down to.
  5const (
  6	minProtocol = 27
  7	maxProtocol = 31
  8)
  9
 10// File-list transmission flags (rsync.h XMIT_*).
 11const (
 12	xmitTopDir           = 1 << 0
 13	xmitSameMode         = 1 << 1
 14	xmitSameRdevPre28    = 1 << 2
 15	xmitExtendedFlags    = 1 << 2
 16	xmitSameUID          = 1 << 3
 17	xmitSameGID          = 1 << 4
 18	xmitSameName         = 1 << 5
 19	xmitLongName         = 1 << 6
 20	xmitSameTime         = 1 << 7
 21	xmitSameRdevMajor    = 1 << 8
 22	xmitNoContentDir     = 1 << 8
 23	xmitHlinked          = 1 << 9
 24	xmitUserNameFollows  = 1 << 10
 25	xmitRdevMinor8Pre30  = 1 << 11
 26	xmitGroupNameFollows = 1 << 11
 27	xmitHlinkFirst       = 1 << 12
 28	xmitIOErrorEndList   = 1 << 12
 29	xmitModNsec          = 1 << 13
 30	xmitSameAtime        = 1 << 14
 31)
 32
 33// Sizes and limits (rsync.h).
 34const (
 35	maxPathLen           = 4096
 36	maxWireNsec          = 999999999
 37	blockSize            = 700
 38	maxBlockSize         = 1 << 17
 39	oldMaxBlockSize      = 1 << 29
 40	chunkSize            = 32 * 1024
 41	maxMapSize           = 256 * 1024
 42	sumLength            = 16
 43	shortSumLength       = 2
 44	blocksumBias         = 10
 45	maxDataCount         = 16383
 46	mplexBase            = 7
 47	maxChainLen          = 1024
 48	traditionalTableSize = 1 << 16
 49)
 50
 51// Unix file type bits as sent on the wire.
 52const (
 53	sIFMT   = 0o170000
 54	sIFSOCK = 0o140000
 55	sIFLNK  = 0o120000
 56	sIFREG  = 0o100000
 57	sIFBLK  = 0o060000
 58	sIFDIR  = 0o040000
 59	sIFCHR  = 0o020000
 60	sIFIFO  = 0o010000
 61)
 62
 63// Item flags sent alongside a file index (rsync.h ITEM_*).
 64const (
 65	itemReportChange     = 1 << 1
 66	itemReportSize       = 1 << 2
 67	itemReportTime       = 1 << 3
 68	itemBasisTypeFollows = 1 << 11
 69	itemXnameFollows     = 1 << 12
 70	itemIsNew            = 1 << 13
 71	itemTransfer         = 1 << 15
 72	itemMissingData      = 1 << 16
 73)
 74
 75// Basis file types sent with itemBasisTypeFollows.
 76const (
 77	fnamecmpFname      = 0x80
 78	fnamecmpPartialDir = 0x81
 79)
 80
 81// Multiplexed message tags (rsync.h enum msgcode).
 82const (
 83	msgData      = 0
 84	msgErrorXfer = 1
 85	msgInfo      = 2
 86	msgError     = 3
 87	msgWarning   = 4
 88	msgIOError   = 22
 89	msgNoop      = 42
 90	msgErrorExit = 86
 91	msgSuccess   = 100
 92	msgDeleted   = 101
 93	msgNoSend    = 102
 94)
 95
 96// Special file-list index values.
 97const (
 98	ndxDone     = -1
 99	ndxFlistEOF = -2
100	ndxDelStats = -3
101)
102
103// I/O error bits reported at the end of the file list.
104const (
105	ioErrGeneral  = 1 << 0
106	ioErrVanished = 1 << 1
107	ioErrDelLimit = 1 << 2
108	ioErrMask     = ioErrGeneral | ioErrVanished | ioErrDelLimit
109)
110
111// Compat flags a protocol 30+ server sends. We never offer incremental
112// recursion, symlink times or iconv.
113const (
114	cfSafeFlist         = 1 << 3
115	cfAvoidXattrOptim   = 1 << 4
116	cfChksumSeedFix     = 1 << 5
117	cfInplacePartialDir = 1 << 6
118	cfVarintFlistFlags  = 1 << 7
119	cfID0Names          = 1 << 8
120)
121
122// Exit codes (errcode.h).
123const (
124	exitSyntax      = 1
125	exitProtocol    = 2
126	exitFileSelect  = 3
127	exitUnsupported = 4
128	exitFileIO      = 11
129	exitStreamIO    = 12
130	exitPartial     = 23
131	exitVanished    = 24
132	exitDelLimit    = 25
133)