home *** CD-ROM | disk | FTP | other *** search
/ Developer CD Series 1994 …ember: Reference Library / Dev.CD Dec 94.toast / Technical Documentation / Mac Tech Notes (DocViewer) / NW • Networking / NW21 Servers on AppleTalk < prev    next >
MacBinary  |  1994-10-19  |  30.9 KB  |  [ONLN/HLX2]

open in: MacOS 8.1     |     Win98     |     DOS

browse contents    |     view JSON data     |     view as text


This file was processed as: MacBinary (archive/macBinary).

ConfidenceProgramDetectionMatch TypeSupport
10% dexvert MacBinary (archive/macBinary) fallback Supported
100% file MacBinary II, inited, Fri Oct 7 10:05:26 1994, modified Wed Oct 19 08:09:58 1994, creator 'HLX2', type 'ONLN', 29588 bytes "NW21 Servers on AppleTalk" , at 0x7414 1710 bytes resource default (weak)
99% file data default
100% TrID MacBinary 2 default (weak)
100% siegfried fmt/1762 MacBinary (II) default
100% lsar MacBinary default


id metadata
keyvalue
macFileType[ONLN]
macFileCreator[HLX2]



hex view
+--------+-------------------------+-------------------------+--------+--------+
|00000000| 00 19 4e 57 32 31 20 53 | 65 72 76 65 72 73 20 6f |..NW21 S|ervers o|
|00000010| 6e 20 41 70 70 6c 65 54 | 61 6c 6b 00 00 00 00 00 |n AppleT|alk.....|
|00000020| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000030| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000040| 00 4f 4e 4c 4e 48 4c 58 | 32 01 00 00 00 00 00 00 |.ONLNHLX|2.......|
|00000050| 00 00 00 00 00 73 94 00 | 00 06 ae aa bb 06 26 aa |.....s..|......&.|
|00000060| ca bd 16 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000070| 00 00 00 00 00 00 00 00 | 00 00 81 81 a2 07 00 00 |........|........|
|00000080| 4e 57 20 32 31 20 2d 20 | 44 61 74 61 20 53 65 72 |NW 21 - |Data Ser|
|00000090| 76 65 72 73 20 6f 6e 20 | 41 70 70 6c 65 54 61 6c |vers on |AppleTal|
|000000a0| 6b 0d 4e 65 74 77 6f 72 | 6b 69 6e 67 09 0d 52 65 |k.Networ|king..Re|
|000000b0| 76 69 73 65 64 20 62 79 | 3a 09 09 4d 61 72 63 68 |vised by|:..March|
|000000c0| 20 31 39 38 38 0d 57 72 | 69 74 74 65 6e 20 62 79 | 1988.Wr|itten by|
|000000d0| 3a 09 42 72 79 61 6e 20 | 53 74 65 61 72 6e 73 09 |:.Bryan |Stearns.|
|000000e0| 41 70 72 69 6c 20 31 39 | 38 35 0d 4d 61 6e 79 20 |April 19|85.Many |
|000000f0| 61 70 70 6c 69 63 61 74 | 69 6f 6e 73 20 63 6f 75 |applicat|ions cou|
|00000100| 6c 64 20 62 65 6e 65 66 | 69 74 20 66 72 6f 6d 20 |ld benef|it from |
|00000110| 74 68 65 20 61 62 69 6c | 69 74 79 20 74 6f 20 73 |the abil|ity to s|
|00000120| 68 61 72 65 20 63 6f 6d | 6d 6f 6e 20 64 61 74 61 |hare com|mon data|
|00000130| 20 62 65 74 77 65 65 6e | 20 73 65 76 65 72 61 6c | between| several|
|00000140| 20 4d 61 63 69 6e 74 6f | 73 68 65 73 2c 20 77 69 | Macinto|shes, wi|
|00000150| 74 68 6f 75 74 20 72 65 | 71 75 69 72 69 6e 67 20 |thout re|quiring |
|00000160| 61 20 66 69 6c 65 20 73 | 65 72 76 65 72 2e 20 54 |a file s|erver. T|
|00000170| 68 69 73 20 74 65 63 68 | 6e 69 63 61 6c 20 6e 6f |his tech|nical no|
|00000180| 74 65 20 64 69 73 63 75 | 73 73 65 73 20 6f 6e 65 |te discu|sses one|
|00000190| 20 74 65 63 68 6e 69 71 | 75 65 20 66 6f 72 20 6d | techniq|ue for m|
|000001a0| 61 6e 61 67 69 6e 67 20 | 74 68 69 73 20 41 70 70 |anaging |this App|
|000001b0| 6c 65 54 61 6c 6b 20 63 | 6f 6d 6d 75 6e 69 63 61 |leTalk c|ommunica|
|000001c0| 74 69 6f 6e 2e 0d 54 68 | 65 72 65 20 61 72 65 20 |tion..Th|ere are |
|000001d0| 66 6f 75 72 20 6d 61 69 | 6e 20 63 6c 61 73 73 65 |four mai|n classe|
|000001e0| 73 20 6f 66 20 6e 65 74 | 77 6f 72 6b 20 d2 73 65 |s of net|work .se|
|000001f0| 72 76 65 72 d3 20 64 65 | 76 69 63 65 73 3a 20 0d |rver. de|vices: .|
|00000200| 44 65 76 69 63 65 20 53 | 65 72 76 65 72 73 2c 20 |Device S|ervers, |
|00000210| 73 75 63 68 20 61 73 20 | 74 68 65 20 4c 61 73 65 |such as |the Lase|
|00000220| 72 57 72 69 74 65 72 2c | 20 61 6c 6c 6f 77 20 73 |rWriter,| allow s|
|00000230| 65 76 65 72 61 6c 20 75 | 73 65 72 73 20 74 6f 20 |everal u|sers to |
|00000240| 73 68 61 72 65 20 61 20 | 73 69 6e 67 6c 65 20 68 |share a |single h|
|00000250| 61 72 64 77 61 72 65 20 | 64 65 76 69 63 65 3b 20 |ardware |device; |
|00000260| 6f 74 68 65 72 20 65 78 | 61 6d 70 6c 65 73 20 6f |other ex|amples o|
|00000270| 66 20 74 68 69 73 20 28 | 63 75 72 72 65 6e 74 6c |f this (|currentl|
|00000280| 79 20 75 6e 64 65 72 20 | 64 65 76 65 6c 6f 70 6d |y under |developm|
|00000290| 65 6e 74 20 62 79 20 74 | 68 69 72 64 20 70 61 72 |ent by t|hird par|
|000002a0| 74 69 65 73 29 20 61 72 | 65 20 6d 6f 64 65 6d 20 |ties) ar|e modem |
|000002b0| 73 65 72 76 65 72 73 20 | 61 6e 64 20 73 65 72 69 |servers |and seri|
|000002c0| 61 6c 20 73 65 72 76 65 | 72 73 20 28 74 6f 20 74 |al serve|rs (to t|
|000002d0| 61 6b 65 20 61 64 76 61 | 6e 74 61 67 65 20 6f 66 |ake adva|ntage of|
|000002e0| 20 6e 6f 6e 2d 69 6e 74 | 65 6c 6c 69 67 65 6e 74 | non-int|elligent|
|000002f0| 20 70 72 69 6e 74 65 72 | 73 20 73 75 63 68 20 61 | printer|s such a|
|00000300| 73 20 74 68 65 20 49 6d | 61 67 65 57 72 69 74 65 |s the Im|ageWrite|
|00000310| 72 29 2e 20 0d 46 69 6c | 65 20 53 65 72 76 65 72 |r). .Fil|e Server|
|00000320| 73 2c 20 73 75 63 68 20 | 61 73 20 41 70 70 6c 65 |s, such |as Apple|
|00000330| 53 68 61 72 65 2c 20 77 | 68 69 63 68 20 73 75 70 |Share, w|hich sup|
|00000340| 70 6f 72 74 20 66 69 6c | 65 20 61 63 63 65 73 73 |port fil|e access|
|00000350| 20 6f 70 65 72 61 74 69 | 6f 6e 73 20 6f 76 65 72 | operati|ons over|
|00000360| 20 74 68 65 20 6e 65 74 | 77 6f 72 6b 2e 20 41 20 | the net|work. A |
|00000370| 75 73 65 72 20 73 74 61 | 74 69 6f 6e 20 73 65 6e |user sta|tion sen|
|00000380| 64 73 20 68 69 67 68 2d | 6c 65 76 65 6c 20 72 65 |ds high-|level re|
|00000390| 71 75 65 73 74 73 20 6f | 76 65 72 20 74 68 65 20 |quests o|ver the |
|000003a0| 6e 65 74 77 6f 72 6b 20 | 28 73 75 63 68 20 61 73 |network |(such as|
|000003b0| 20 d2 4f 70 65 6e 20 74 | 68 69 73 20 66 69 6c 65 | .Open t|his file|
|000003c0| 2c d3 20 d2 52 65 61 64 | 20 31 33 37 20 62 79 74 |,. .Read| 137 byt|
|000003d0| 65 73 20 73 74 61 72 74 | 69 6e 67 20 61 74 20 74 |es start|ing at t|
|000003e0| 68 65 20 63 75 72 72 65 | 6e 74 20 66 69 6c 65 20 |he curre|nt file |
|000003f0| 70 6f 73 69 74 69 6f 6e | 20 6f 66 20 74 68 69 73 |position| of this|
|00000400| 20 66 69 6c 65 2c d3 20 | d2 43 6c 6f 73 65 20 74 | file,. |.Close t|
|00000410| 68 69 73 20 66 69 6c 65 | 2c d3 20 65 74 63 2e 29 |his file|,. etc.)|
|00000420| 2e 0d 42 6c 6f 63 6b 20 | 53 65 72 76 65 72 73 2c |..Block |Servers,|
|00000430| 20 77 68 69 63 68 20 61 | 6e 73 77 65 72 20 74 6f | which a|nswer to|
|00000440| 20 62 6c 6f 63 6b 20 72 | 65 71 75 65 73 74 73 20 | block r|equests |
|00000450| 6f 76 65 72 20 74 68 65 | 20 6e 65 74 77 6f 72 6b |over the| network|
|00000460| 2e 20 54 68 65 73 65 20 | 72 65 71 75 65 73 74 73 |. These |requests|
|00000470| 20 69 6d 70 61 72 74 20 | 6e 6f 20 66 69 6c 65 20 | impart |no file |
|00000480| 73 79 73 74 65 6d 20 6b | 6e 6f 77 6c 65 64 67 65 |system k|nowledge|
|00000490| 20 61 62 6f 75 74 20 74 | 68 65 20 62 6c 6f 63 6b | about t|he block|
|000004a0| 73 20 62 65 69 6e 67 20 | 70 61 73 73 65 64 2c 20 |s being |passed, |
|000004b0| 69 2e 65 2e 2c 20 74 68 | 65 20 73 65 72 76 65 72 |i.e., th|e server|
|000004c0| 20 64 6f 65 73 6e d5 74 | 20 6b 6e 6f 77 20 77 68 | doesn.t| know wh|
|000004d0| 69 63 68 20 66 69 6c 65 | 73 20 61 72 65 20 6f 70 |ich file|s are op|
|000004e0| 65 6e 20 62 79 20 77 68 | 69 63 68 20 75 73 65 72 |en by wh|ich user|
|000004f0| 73 2c 20 61 6e 64 20 74 | 68 65 72 65 66 6f 72 65 |s, and t|herefore|
|00000500| 20 63 61 6e 6e 6f 74 20 | 70 72 6f 74 65 63 74 20 | cannot |protect |
|00000510| 6f 6e 65 20 75 73 65 72 | d5 73 20 6f 70 65 6e 20 |one user|.s open |
|00000520| 66 69 6c 65 20 66 72 6f | 6d 20 6f 74 68 65 72 20 |file fro|m other |
|00000530| 75 73 65 72 73 2e 20 45 | 78 61 6d 70 6c 65 73 20 |users. E|xamples |
|00000540| 6f 66 20 74 68 69 73 20 | 74 79 70 65 20 6f 66 20 |of this |type of |
|00000550| 73 65 72 76 65 72 20 61 | 72 65 20 61 76 61 69 6c |server a|re avail|
|00000560| 61 62 6c 65 20 66 72 6f | 6d 20 74 68 69 72 64 2d |able fro|m third-|
|00000570| 70 61 72 74 79 20 64 65 | 76 65 6c 6f 70 65 72 73 |party de|velopers|
|00000580| 2e 0d 44 61 74 61 20 53 | 65 72 76 65 72 73 2c 20 |..Data S|ervers, |
|00000590| 77 68 69 63 68 20 61 6e | 73 77 65 72 20 74 6f 20 |which an|swer to |
|000005a0| 72 65 71 75 65 73 74 73 | 20 61 74 20 61 20 68 69 |requests| at a hi|
|000005b0| 67 68 65 72 20 6c 65 76 | 65 6c 20 74 68 61 6e 20 |gher lev|el than |
|000005c0| 66 69 6c 65 20 73 65 72 | 76 65 72 73 2c 20 73 75 |file ser|vers, su|
|000005d0| 63 68 20 61 73 20 d2 47 | 69 76 65 20 6d 65 20 74 |ch as .G|ive me t|
|000005e0| 68 65 20 66 69 72 73 74 | 20 66 6f 75 72 20 72 65 |he first| four re|
|000005f0| 63 6f 72 64 73 20 66 72 | 6f 6d 20 74 68 65 20 64 |cords fr|om the d|
|00000600| 61 74 61 62 61 73 65 20 | 77 68 69 63 68 20 6d 61 |atabase |which ma|
|00000610| 74 63 68 20 74 68 65 20 | 66 6f 6c 6c 6f 77 69 6e |tch the |followin|
|00000620| 67 20 73 65 61 72 63 68 | 20 73 70 65 63 69 66 69 |g search| specifi|
|00000630| 63 61 74 69 6f 6e 2e d3 | 20 54 68 69 73 20 6e 6f |cation..| This no|
|00000640| 74 65 20 64 69 72 65 63 | 74 73 20 69 74 73 20 61 |te direc|ts its a|
|00000650| 74 74 65 6e 74 69 6f 6e | 20 61 74 20 74 68 69 73 |ttention| at this|
|00000660| 20 74 79 70 65 20 6f 66 | 20 73 65 72 76 65 72 2e | type of| server.|
|00000670| 0d 41 20 64 61 74 61 20 | 73 65 72 76 65 72 20 69 |.A data |server i|
|00000680| 73 20 6c 69 6b 65 20 61 | 20 66 69 6c 65 20 73 65 |s like a| file se|
|00000690| 72 76 65 72 20 69 6e 20 | 74 68 61 74 20 69 74 20 |rver in |that it |
|000006a0| 72 65 73 70 6f 6e 64 73 | 20 74 6f 20 69 6e 74 65 |responds| to inte|
|000006b0| 6c 6c 69 67 65 6e 74 20 | 72 65 71 75 65 73 74 73 |lligent |requests|
|000006c0| 2c 20 62 75 74 20 74 68 | 65 20 72 65 71 75 65 73 |, but th|e reques|
|000006d0| 74 73 20 74 68 61 74 20 | 69 74 20 72 65 73 70 6f |ts that |it respo|
|000006e0| 6e 64 73 20 74 6f 20 63 | 61 6e 20 62 65 20 6d 6f |nds to c|an be mo|
|000006f0| 72 65 20 73 70 65 63 69 | 61 6c 69 7a 65 64 2c 20 |re speci|alized, |
|00000700| 62 65 63 61 75 73 65 20 | 74 68 65 20 63 6f 64 65 |because |the code|
|00000710| 20 69 6e 20 74 68 65 20 | 73 65 72 76 65 72 20 77 | in the |server w|
|00000720| 61 73 20 77 72 69 74 74 | 65 6e 20 74 6f 20 68 61 |as writt|en to ha|
|00000730| 6e 64 6c 65 20 74 68 61 | 74 20 73 70 65 63 69 66 |ndle tha|t specif|
|00000740| 69 63 20 74 79 70 65 20 | 6f 66 20 72 65 71 75 65 |ic type |of reque|
|00000750| 73 74 2e 20 54 68 69 73 | 20 68 61 73 20 73 65 76 |st. This| has sev|
|00000760| 65 72 61 6c 20 61 64 64 | 65 64 20 62 65 6e 65 66 |eral add|ed benef|
|00000770| 69 74 73 3a 20 75 73 65 | 72 20 73 74 61 74 69 6f |its: use|r statio|
|00000780| 6e 20 70 72 6f 63 65 73 | 73 69 6e 67 20 63 61 6e |n proces|sing can|
|00000790| 20 62 65 20 72 65 64 75 | 63 65 64 2c 20 69 66 20 | be redu|ced, if |
|000007a0| 74 68 65 20 64 61 74 61 | 20 73 65 72 76 65 72 20 |the data| server |
|000007b0| 69 73 20 75 73 65 64 20 | 66 6f 72 20 73 6f 72 74 |is used |for sort|
|000007c0| 69 6e 67 20 6f 72 20 73 | 65 61 72 63 68 69 6e 67 |ing or s|earching|
|000007d0| 20 6f 70 65 72 61 74 69 | 6f 6e 73 3b 20 61 6e 64 | operati|ons; and|
|000007e0| 20 6e 65 74 77 6f 72 6b | 20 74 72 61 66 66 69 63 | network| traffic|
|000007f0| 20 69 73 20 72 65 64 75 | 63 65 64 2c 20 62 65 63 | is redu|ced, bec|
|00000800| 61 75 73 65 20 6f 66 20 | 74 68 65 20 73 70 65 63 |ause of |the spec|
|00000810| 69 66 69 63 69 74 79 20 | 6f 66 20 74 68 65 20 72 |ificity |of the r|
|00000820| 65 71 75 65 73 74 73 20 | 70 61 73 73 65 64 20 6f |equests |passed o|
|00000830| 76 65 72 20 74 68 65 20 | 6e 65 74 77 6f 72 6b 2e |ver the |network.|
|00000840| 20 54 68 65 20 64 61 74 | 61 20 73 65 72 76 65 72 | The dat|a server|
|00000850| 20 63 61 6e 20 65 76 65 | 6e 20 62 65 20 64 65 73 | can eve|n be des|
|00000860| 69 67 6e 65 64 20 74 6f | 20 64 6f 20 70 72 69 6e |igned to| do prin|
|00000870| 74 69 6e 67 20 28 6f 76 | 65 72 20 74 68 65 20 6e |ting (ov|er the n|
|00000880| 65 74 77 6f 72 6b 20 74 | 6f 20 61 20 4c 61 73 65 |etwork t|o a Lase|
|00000890| 72 57 72 69 74 65 72 2c | 20 6f 72 20 6f 6e 20 61 |rWriter,| or on a|
|000008a0| 20 6c 6f 63 61 6c 20 49 | 6d 61 67 65 57 72 69 74 | local I|mageWrit|
|000008b0| 65 72 29 2c 20 67 69 76 | 65 6e 20 74 68 61 74 20 |er), giv|en that |
|000008c0| 69 74 20 68 61 73 20 74 | 68 65 20 64 61 74 61 20 |it has t|he data |
|000008d0| 61 6e 64 20 63 61 6e 20 | 62 65 20 64 69 72 65 63 |and can |be direc|
|000008e0| 74 65 64 20 61 73 20 74 | 6f 20 74 68 65 20 66 6f |ted as t|o the fo|
|000008f0| 72 6d 61 74 20 69 6e 20 | 77 68 69 63 68 20 69 74 |rmat in |which it|
|00000900| 20 73 68 6f 75 6c 64 20 | 62 65 20 70 72 69 6e 74 | should |be print|
|00000910| 65 64 2e 0d 41 54 50 3a | 20 54 68 65 20 41 70 70 |ed..ATP:| The App|
|00000920| 6c 65 54 61 6c 6b 20 54 | 72 61 6e 73 61 63 74 69 |leTalk T|ransacti|
|00000930| 6f 6e 20 50 72 6f 74 6f | 63 6f 6c 0d 41 54 50 2c |on Proto|col.ATP,|
|00000940| 20 74 68 65 20 61 73 73 | 75 72 65 64 2d 64 65 6c | the ass|ured-del|
|00000950| 69 76 65 72 79 20 41 70 | 70 6c 65 54 61 6c 6b 20 |ivery Ap|pleTalk |
|00000960| 54 72 61 6e 73 61 63 74 | 69 6f 6e 20 50 72 6f 74 |Transact|ion Prot|
|00000970| 6f 63 6f 6c 2c 20 63 61 | 6e 20 62 65 20 75 73 65 |ocol, ca|n be use|
|00000980| 64 20 74 6f 20 73 75 70 | 70 6f 72 74 20 61 6c 6c |d to sup|port all|
|00000990| 20 74 79 70 65 73 20 6f | 66 20 73 65 72 76 65 72 | types o|f server|
|000009a0| 20 63 6f 6d 6d 75 6e 69 | 63 61 74 69 6f 6e 73 20 | communi|cations |
|000009b0| 28 74 68 65 20 4c 61 73 | 65 72 57 72 69 74 65 72 |(the Las|erWriter|
|000009c0| 20 75 73 65 73 20 41 54 | 50 20 66 6f 72 20 69 74 | uses AT|P for it|
|000009d0| 73 20 63 6f 6d 6d 75 6e | 69 63 61 74 69 6f 6e 73 |s commun|ications|
|000009e0| 21 29 2e 20 48 65 72 65 | 20 69 73 20 61 20 70 6f |!). Here| is a po|
|000009f0| 73 73 69 62 6c 65 20 73 | 63 65 6e 61 72 69 6f 20 |ssible s|cenario |
|00000a00| 62 65 74 77 65 65 6e 20 | 74 77 6f 20 75 73 65 72 |between |two user|
|00000a10| 20 73 74 61 74 69 6f 6e | 73 20 28 d2 44 61 76 65 | station|s (.Dave|
|00000a20| d3 20 61 6e 64 20 d2 42 | 69 6c 6c d3 29 20 61 6e |. and .B|ill.) an|
|00000a30| 64 20 61 20 64 61 74 61 | 20 73 65 72 76 65 72 20 |d a data| server |
|00000a40| 73 74 61 74 69 6f 6e 20 | 28 d2 4f 6e 65 53 65 72 |station |(.OneSer|
|00000a50| 76 65 72 d3 2c 20 61 20 | 73 65 72 76 65 72 20 6f |ver., a |server o|
|00000a60| 66 20 74 79 70 65 20 d2 | 4d 79 53 65 72 76 65 72 |f type .|MyServer|
|00000a70| d3 29 2e 20 57 65 d5 76 | 65 20 66 6f 75 6e 64 20 |.). We.v|e found |
|00000a80| 74 68 61 74 20 74 68 65 | 20 d2 63 6f 6e 76 65 72 |that the| .conver|
|00000a90| 73 61 74 69 6f 6e 61 6c | d3 20 61 6e 61 6c 6f 67 |sational|. analog|
|00000aa0| 79 20 69 73 20 68 65 6c | 70 66 75 6c 20 77 68 65 |y is hel|pful whe|
|00000ab0| 6e 20 70 6c 61 6e 6e 69 | 6e 67 20 41 70 70 6c 65 |n planni|ng Apple|
|00000ac0| 54 61 6c 6b 20 63 6f 6d | 6d 75 6e 69 63 61 74 69 |Talk com|municati|
|00000ad0| 6f 6e 73 3b 20 74 68 69 | 73 20 65 78 61 6d 70 6c |ons; thi|s exampl|
|00000ae0| 65 20 69 73 20 74 68 65 | 72 65 66 6f 72 65 20 70 |e is the|refore p|
|00000af0| 72 65 73 65 6e 74 65 64 | 20 61 73 20 61 20 63 6f |resented| as a co|
|00000b00| 6e 76 65 72 73 61 74 69 | 6f 6e 2c 20 61 6c 6f 6e |nversati|on, alon|
|00000b10| 67 20 77 69 74 68 20 61 | 70 70 72 6f 70 72 69 61 |g with a|ppropria|
|00000b20| 74 65 20 41 70 70 6c 65 | 54 61 6c 6b 20 4d 61 6e |te Apple|Talk Man|
|00000b30| 61 67 65 72 20 63 61 6c | 6c 73 20 28 4e 6f 74 65 |ager cal|ls (Note|
|00000b40| 20 74 68 61 74 20 6e 6f | 20 65 72 72 6f 72 20 68 | that no| error h|
|00000b50| 61 6e 64 6c 69 6e 67 20 | 69 73 20 70 72 65 73 65 |andling |is prese|
|00000b60| 6e 74 65 64 2c 20 68 6f | 77 65 76 65 72 3b 20 79 |nted, ho|wever; y|
|00000b70| 6f 75 72 20 61 70 70 6c | 69 63 61 74 69 6f 6e 20 |our appl|ication |
|00000b80| 73 68 6f 75 6c 64 20 63 | 6f 6e 74 61 69 6e 20 63 |should c|ontain c|
|00000b90| 6f 64 65 20 66 6f 72 20 | 68 61 6e 64 6c 69 6e 67 |ode for |handling|
|00000ba0| 20 65 72 72 6f 72 73 2c | 20 73 70 65 63 69 66 69 | errors,| specifi|
|00000bb0| 63 61 6c 6c 79 20 74 68 | 65 20 d2 68 61 6c 66 2d |cally th|e .half-|
|00000bc0| 6f 70 65 6e 20 63 6f 6e | 6e 65 63 74 69 6f 6e d3 |open con|nection.|
|00000bd0| 20 70 72 6f 62 6c 65 6d | 20 64 65 73 63 72 69 62 | problem| describ|
|00000be0| 65 64 20 62 65 6c 6f 77 | 29 2e 0d 45 73 74 61 62 |ed below|)..Estab|
|00000bf0| 6c 69 73 68 69 6e 67 20 | 74 68 65 20 43 6f 6e 6e |lishing |the Conn|
|00000c00| 65 63 74 69 6f 6e 0d 45 | 61 63 68 20 73 74 61 74 |ection.E|ach stat|
|00000c10| 69 6f 6e 20 75 73 65 73 | 20 41 54 50 4c 6f 61 64 |ion uses| ATPLoad|
|00000c20| 20 74 6f 20 6d 61 6b 65 | 20 73 75 72 65 20 74 68 | to make| sure th|
|00000c30| 61 74 20 41 70 70 6c 65 | 54 61 6c 6b 20 69 73 20 |at Apple|Talk is |
|00000c40| 6c 6f 61 64 65 64 2e 20 | 54 68 65 20 73 65 72 76 |loaded. |The serv|
|00000c50| 65 72 20 73 74 61 74 69 | 6f 6e 2c 20 73 69 6e 63 |er stati|on, sinc|
|00000c60| 65 20 69 74 20 77 61 6e | 74 73 20 74 6f 20 61 63 |e it wan|ts to ac|
|00000c70| 63 65 70 74 20 72 65 71 | 75 65 73 74 73 2c 20 6f |cept req|uests, o|
|00000c80| 70 65 6e 73 20 61 20 73 | 6f 63 6b 65 74 20 61 6e |pens a s|ocket an|
|00000c90| 64 20 72 65 67 69 73 74 | 65 72 73 20 69 74 73 20 |d regist|ers its |
|00000ca0| 6e 61 6d 65 20 75 73 69 | 6e 67 20 4e 42 50 52 65 |name usi|ng NBPRe|
|00000cb0| 67 69 73 74 65 72 2e 20 | 54 68 65 20 75 73 65 72 |gister. |The user|
|00000cc0| 20 73 74 61 74 69 6f 6e | 73 20 75 73 65 20 4e 42 | station|s use NB|
|00000cd0| 50 4c 6f 6f 6b 55 70 20 | 74 6f 20 66 69 6e 64 20 |PLookUp |to find |
|00000ce0| 6f 75 74 20 74 68 65 20 | 73 65 72 76 65 72 d5 73 |out the |server.s|
|00000cf0| 20 6e 65 74 77 6f 72 6b | 20 61 64 64 72 65 73 73 | network| address|
|00000d00| 2e 20 54 68 69 73 20 6c | 6f 6f 6b 73 20 6c 69 6b |. This l|ooks lik|
|00000d10| 65 20 74 68 69 73 2c 20 | 63 6f 6e 76 65 72 73 61 |e this, |conversa|
|00000d20| 74 69 6f 6e 61 6c 6c 79 | 3a 0d 53 65 72 76 65 72 |tionally|:.Server|
|00000d30| 3a 20 09 d2 49 d5 6d 20 | 72 65 61 64 79 20 74 6f |: ..I.m |ready to|
|00000d40| 20 61 63 63 65 70 74 09 | 09 41 54 50 4c 6f 61 64 | accept.|.ATPLoad|
|00000d50| 09 09 4f 70 65 6e 73 20 | 41 70 70 6c 65 54 61 6c |..Opens |AppleTal|
|00000d60| 6b 0d 09 72 65 71 75 65 | 73 74 73 21 d3 09 09 09 |k..reque|sts!....|
|00000d70| 4f 70 65 6e 53 6f 63 6b | 65 74 09 09 43 72 65 61 |OpenSock|et..Crea|
|00000d80| 74 65 73 20 73 6f 63 6b | 65 74 0d 09 09 09 09 09 |tes sock|et......|
|00000d90| 4e 42 50 52 65 67 69 73 | 74 65 72 09 09 41 73 73 |NBPRegis|ter..Ass|
|00000da0| 69 67 6e 73 20 6e 61 6d | 65 20 74 6f 20 73 6f 63 |igns nam|e to soc|
|00000db0| 6b 65 74 0d 09 09 09 09 | 09 41 54 50 47 65 74 52 |ket.....|.ATPGetR|
|00000dc0| 65 71 75 65 73 74 09 71 | 75 65 75 65 20 61 20 66 |equest.q|ueue a f|
|00000dd0| 65 77 20 61 73 79 6e 63 | 68 72 6f 6e 6f 75 73 0d |ew async|hronous.|
|00000de0| 09 09 09 09 09 41 54 50 | 47 65 74 52 65 71 75 65 |.....ATP|GetReque|
|00000df0| 73 74 09 63 61 6c 6c 73 | 2c 20 74 6f 20 62 65 20 |st.calls|, to be |
|00000e00| 61 62 6c 65 20 74 6f 20 | 68 61 6e 64 6c 65 20 73 |able to |handle s|
|00000e10| 65 76 65 72 61 6c 0d 09 | 09 09 09 09 41 54 50 47 |everal..|....ATPG|
|00000e20| 65 74 52 65 71 75 65 73 | 74 09 75 73 65 72 73 0d |etReques|t.users.|
|00000e30| 44 61 76 65 3a 09 d2 41 | 6e 79 20 d4 4d 79 53 65 |Dave:..A|ny .MySe|
|00000e40| 72 76 65 72 73 d5 09 09 | 41 54 50 4c 6f 61 64 09 |rvers...|ATPLoad.|
|00000e50| 09 4f 70 65 6e 73 20 41 | 70 70 6c 65 54 61 6c 6b |.Opens A|ppleTalk|
|00000e60| 0d 09 6f 75 74 20 74 68 | 65 72 65 3f d3 09 09 09 |..out th|ere?....|
|00000e70| 4e 42 50 4c 6f 6f 6b 75 | 70 09 09 6c 6f 6f 6b 20 |NBPLooku|p..look |
|00000e80| 66 6f 72 20 73 65 72 76 | 65 72 73 2c 20 66 69 6e |for serv|ers, fin|
|00000e90| 64 73 20 4f 6e 65 53 65 | 72 76 65 72 0d 44 61 76 |ds OneSe|rver.Dav|
|00000ea0| 65 3a 20 09 d2 48 65 79 | 2c 20 4d 79 53 65 72 76 |e: ..Hey|, MyServ|
|00000eb0| 65 72 21 20 57 68 61 74 | 09 09 41 54 50 52 65 71 |er! What|..ATPReq|
|00000ec0| 75 65 73 74 09 09 41 73 | 6b 20 74 68 65 20 73 65 |uest..As|k the se|
|00000ed0| 72 76 65 72 20 77 68 69 | 63 68 20 73 6f 63 6b 65 |rver whi|ch socke|
|00000ee0| 74 20 74 6f 0d 09 73 6f | 63 6b 65 74 20 73 68 6f |t to..so|cket sho|
|00000ef0| 75 6c 64 20 49 20 74 61 | 6c 6b 20 74 6f 20 79 6f |uld I ta|lk to yo|
|00000f00| 75 09 09 09 09 75 73 65 | 20 66 6f 72 20 66 75 72 |u....use| for fur|
|00000f10| 74 68 65 72 20 63 6f 6d | 6d 75 6e 69 63 61 74 69 |ther com|municati|
|00000f20| 6f 6e 73 0d 09 6f 6e 3f | d3 0d 42 69 6c 6c 3a 09 |ons..on?|..Bill:.|
|00000f30| d2 41 6e 79 20 d4 4d 79 | 53 65 72 76 65 72 73 d5 |.Any .My|Servers.|
|00000f40| 09 09 41 54 50 4c 6f 61 | 64 09 09 4f 70 65 6e 73 |..ATPLoa|d..Opens|
|00000f50| 20 41 70 70 6c 65 54 61 | 6c 6b 0d 09 6f 75 74 20 | AppleTa|lk..out |
|00000f60| 74 68 65 72 65 3f d3 09 | 09 09 4e 42 50 4c 6f 6f |there?..|..NBPLoo|
|00000f70| 6b 75 70 09 09 6c 6f 6f | 6b 20 66 6f 72 20 73 65 |kup..loo|k for se|
|00000f80| 72 76 65 72 73 2c 20 66 | 69 6e 64 73 20 4f 6e 65 |rvers, f|inds One|
|00000f90| 53 65 72 76 65 72 0d 42 | 69 6c 6c 3a 20 09 d2 48 |Server.B|ill: ..H|
|00000fa0| 65 79 2c 20 4d 79 53 65 | 72 76 65 72 21 20 57 68 |ey, MySe|rver! Wh|
|00000fb0| 61 74 09 09 41 54 50 52 | 65 71 75 65 73 74 09 09 |at..ATPR|equest..|
|00000fc0| 41 73 6b 20 74 68 65 20 | 73 65 72 76 65 72 20 77 |Ask the |server w|
|00000fd0| 68 69 63 68 20 73 6f 63 | 6b 65 74 20 74 6f 0d 09 |hich soc|ket to..|
|00000fe0| 73 6f 63 6b 65 74 20 73 | 68 6f 75 6c 64 20 49 20 |socket s|hould I |
|00000ff0| 74 61 6c 6b 20 74 6f 20 | 79 6f 75 09 09 09 09 75 |talk to |you....u|
|00001000| 73 65 20 66 6f 72 20 66 | 75 72 74 68 65 72 20 63 |se for f|urther c|
|00001010| 6f 6d 6d 75 6e 69 63 61 | 74 69 6f 6e 73 0d 09 6f |ommunica|tions..o|
|00001020| 6e 3f d3 0d 53 65 72 76 | 65 72 3a 09 d2 48 69 2c |n?..Serv|er:..Hi,|
|00001030| 20 44 61 76 65 21 20 55 | 73 65 20 53 6f 63 6b 65 | Dave! U|se Socke|
|00001040| 74 20 4e 2e d3 09 41 54 | 50 4f 70 65 6e 53 6b 74 |t N...AT|POpenSkt|
|00001050| 09 09 47 65 74 20 61 20 | 6e 65 77 20 73 6f 63 6b |..Get a |new sock|
|00001060| 65 74 20 66 6f 72 20 74 | 61 6c 6b 69 6e 67 20 74 |et for t|alking t|
|00001070| 6f 20 44 61 76 65 0d 09 | 09 09 09 09 41 54 50 52 |o Dave..|....ATPR|
|00001080| 65 73 70 6f 6e 73 65 09 | 09 53 65 6e 64 20 44 61 |esponse.|.Send Da|
|00001090| 76 65 20 74 68 65 20 73 | 6f 63 6b 65 74 20 6e 75 |ve the s|ocket nu|
|000010a0| 6d 62 65 72 0d 09 09 09 | 09 09 41 54 50 47 65 74 |mber....|..ATPGet|
|000010b0| 52 65 71 75 65 73 74 09 | 52 65 70 6c 61 63 65 20 |Request.|Replace |
|000010c0| 74 68 65 20 75 73 65 64 | 20 47 65 74 52 65 71 75 |the used| GetRequ|
|000010d0| 65 73 74 0d 53 65 72 76 | 65 72 3a 09 d2 48 69 2c |est.Serv|er:..Hi,|
|000010e0| 20 42 69 6c 6c 21 20 55 | 73 65 20 73 6f 63 6b 65 | Bill! U|se socke|
|000010f0| 74 20 4d 2e d3 09 09 41 | 54 50 4f 70 65 6e 53 6b |t M....A|TPOpenSk|
|00001100| 74 09 09 47 65 74 20 61 | 20 6e 65 77 20 73 6f 63 |t..Get a| new soc|
|00001110| 6b 65 74 20 66 6f 72 20 | 74 61 6c 6b 69 6e 67 20 |ket for |talking |
|00001120| 74 6f 20 42 69 6c 6c 0d | 09 09 09 09 09 41 54 50 |to Bill.|.....ATP|
|00001130| 52 65 73 70 6f 6e 73 65 | 09 09 53 65 6e 64 20 42 |Response|..Send B|
|00001140| 69 6c 6c 20 74 68 65 20 | 73 6f 63 6b 65 74 20 6e |ill the |socket n|
|00001150| 75 6d 62 65 72 0d 09 09 | 09 09 09 41 54 50 47 65 |umber...|...ATPGe|
|00001160| 74 52 65 71 75 65 73 74 | 09 52 65 70 6c 61 63 65 |tRequest|.Replace|
|00001170| 20 74 68 65 20 75 73 65 | 64 20 47 65 74 52 65 71 | the use|d GetReq|
|00001180| 75 65 73 74 0d 46 72 6f | 6d 20 74 68 69 73 20 70 |uest.Fro|m this p|
|00001190| 6f 69 6e 74 20 6f 6e 2c | 20 74 68 65 20 73 65 72 |oint on,| the ser|
|000011a0| 76 65 72 20 6b 6e 6f 77 | 73 20 74 68 61 74 20 61 |ver know|s that a|
|000011b0| 6e 79 20 72 65 71 75 65 | 73 74 73 20 72 65 63 65 |ny reque|sts rece|
|000011c0| 69 76 65 64 20 6f 6e 20 | 73 6f 63 6b 65 74 20 4e |ived on |socket N|
|000011d0| 20 61 72 65 20 66 72 6f | 6d 20 44 61 76 65 2c 20 | are fro|m Dave, |
|000011e0| 61 6e 64 20 74 68 6f 73 | 65 20 72 65 63 65 69 76 |and thos|e receiv|
|000011f0| 65 64 20 6f 6e 20 73 6f | 63 6b 65 74 20 4d 20 61 |ed on so|cket M a|
|00001200| 72 65 20 66 72 6f 6d 20 | 42 69 6c 6c 2e 20 54 68 |re from |Bill. Th|
|00001210| 65 20 63 6f 6e 76 65 72 | 73 61 74 69 6f 6e 73 20 |e conver|sations |
|00001220| 63 6f 6e 74 69 6e 75 65 | 2c 20 61 66 74 65 72 20 |continue|, after |
|00001230| 61 20 62 72 69 65 66 20 | 64 69 73 63 75 73 73 69 |a brief |discussi|
|00001240| 6f 6e 20 6f 66 20 65 72 | 72 6f 72 20 68 61 6e 64 |on of er|ror hand|
|00001250| 6c 69 6e 67 2e 0d 48 61 | 6c 66 2d 4f 70 65 6e 20 |ling..Ha|lf-Open |
|00001260| 43 6f 6e 6e 65 63 74 69 | 6f 6e 73 0d 54 68 65 72 |Connecti|ons.Ther|
|00001270| 65 20 69 73 20 61 20 70 | 6f 73 73 69 62 69 6c 69 |e is a p|ossibili|
|00001280| 74 79 20 74 68 61 74 20 | 6f 6e 65 20 73 69 64 65 |ty that |one side|
|00001290| 20 6f 66 20 61 20 63 6f | 6e 6e 65 63 74 69 6f 6e | of a co|nnection|
|000012a0| 20 63 6f 75 6c 64 20 67 | 6f 20 64 6f 77 6e 20 28 | could g|o down (|
|000012b0| 62 65 20 70 6f 77 65 72 | 65 64 20 6f 66 66 2c 20 |be power|ed off, |
|000012c0| 72 65 62 6f 6f 74 65 64 | 20 61 63 63 69 64 65 6e |rebooted| acciden|
|000012d0| 74 6c 79 2c 20 6f 72 20 | 73 69 6d 70 6c 79 20 63 |tly, or |simply c|
|000012e0| 72 61 73 68 29 20 62 65 | 66 6f 72 65 20 74 68 65 |rash) be|fore the|
|000012f0| 20 63 6f 6e 6e 65 63 74 | 69 6f 6e 20 68 61 73 20 | connect|ion has |
|00001300| 62 65 65 6e 20 6f 66 66 | 69 63 69 61 6c 6c 79 20 |been off|icially |
|00001310| 62 72 6f 6b 65 6e 2e 20 | 49 66 20 61 20 75 73 65 |broken. |If a use|
|00001320| 72 20 73 74 61 74 69 6f | 6e 20 67 6f 65 73 20 64 |r statio|n goes d|
|00001330| 6f 77 6e 2c 20 74 68 65 | 20 73 65 72 76 65 72 20 |own, the| server |
|00001340| 6d 75 73 74 20 74 68 72 | 6f 77 20 61 77 61 79 20 |must thr|ow away |
|00001350| 61 6e 79 20 73 61 76 65 | 64 20 73 74 61 74 65 20 |any save|d state |
|00001360| 69 6e 66 6f 72 6d 61 74 | 69 6f 6e 20 61 6e 64 20 |informat|ion and |
|00001370| 63 6c 6f 73 65 20 74 68 | 61 74 20 75 73 65 72 d5 |close th|at user.|
|00001380| 73 20 6f 70 65 6e 20 73 | 6f 63 6b 65 74 2e 20 54 |s open s|ocket. T|
|00001390| 68 69 73 20 63 61 6e 20 | 62 65 20 64 6f 6e 65 20 |his can |be done |
|000013a0| 62 79 20 72 65 71 75 69 | 72 69 6e 67 20 74 68 61 |by requi|ring tha|
|000013b0| 74 20 74 68 65 20 75 73 | 65 72 20 73 74 61 74 69 |t the us|er stati|
|000013c0| 6f 6e 73 20 70 65 72 69 | 6f 64 69 63 61 6c 6c 79 |ons peri|odically|
|000013d0| 20 d2 74 69 63 6b 6c 65 | d3 20 74 68 65 20 73 65 | .tickle|. the se|
|000013e0| 72 76 65 72 3a 20 65 76 | 65 72 79 20 33 30 20 73 |rver: ev|ery 30 s|
|000013f0| 65 63 6f 6e 64 73 20 28 | 66 6f 72 20 65 78 61 6d |econds (|for exam|
|00001400| 70 6c 65 29 20 74 68 65 | 20 75 73 65 72 20 73 74 |ple) the| user st|
|00001410| 61 74 69 6f 6e 20 73 65 | 6e 64 73 20 61 20 64 75 |ation se|nds a du|
|00001420| 6d 6d 79 20 72 65 71 75 | 65 73 74 20 74 6f 20 74 |mmy requ|est to t|
|00001430| 68 65 20 73 65 72 76 65 | 72 2c 20 77 68 69 63 68 |he serve|r, which|
|00001440| 20 73 65 6e 64 73 20 61 | 20 64 75 6d 6d 79 20 72 | sends a| dummy r|
|00001450| 65 73 70 6f 6e 73 65 2e | 20 54 68 69 73 20 6c 65 |esponse.| This le|
|00001460| 74 73 20 65 61 63 68 20 | 73 69 64 65 20 6f 66 20 |ts each |side of |
|00001470| 74 68 65 20 63 6f 6e 6e | 65 63 74 69 6f 6e 20 6b |the conn|ection k|
|00001480| 6e 6f 77 20 74 68 61 74 | 20 74 68 65 20 6f 74 68 |now that| the oth|
|00001490| 65 72 20 73 69 64 65 20 | 69 73 20 73 74 69 6c 6c |er side |is still|
|000014a0| 20 d2 61 6c 69 76 65 2e | d3 0d 57 68 65 6e 20 74 | .alive.|..When t|
|000014b0| 68 65 20 73 65 72 76 65 | 72 20 64 65 74 65 63 74 |he serve|r detect|
|000014c0| 73 20 74 68 61 74 20 74 | 77 6f 20 69 6e 74 65 72 |s that t|wo inter|
|000014d0| 76 61 6c 73 20 68 61 76 | 65 20 67 6f 6e 65 20 62 |vals hav|e gone b|
|000014e0| 79 20 77 69 74 68 6f 75 | 74 20 61 20 74 69 63 6b |y withou|t a tick|
|000014f0| 6c 65 20 72 65 71 75 65 | 73 74 2c 20 69 74 20 63 |le reque|st, it c|
|00001500| 61 6e 20 61 73 73 75 6d | 65 20 74 68 61 74 20 74 |an assum|e that t|
|00001510| 68 65 20 75 73 65 72 20 | 73 74 61 74 69 6f 6e 20 |he user |station |
|00001520| 68 61 73 20 63 72 61 73 | 68 65 64 2c 20 61 6e 64 |has cras|hed, and|
|00001530| 20 63 6c 6f 73 65 20 74 | 68 61 74 20 75 73 65 72 | close t|hat user|
|00001540| d5 73 20 73 6f 63 6b 65 | 74 20 61 6e 64 20 74 68 |.s socke|t and th|
|00001550| 72 6f 77 20 61 77 61 79 | 20 61 6e 79 20 61 63 63 |row away| any acc|
|00001560| 75 6d 75 6c 61 74 65 64 | 20 73 74 61 74 65 20 69 |umulated| state i|
|00001570| 6e 66 6f 72 6d 61 74 69 | 6f 6e 2e 0d 54 68 65 20 |nformati|on..The |
|00001580| 75 73 65 72 20 73 74 61 | 74 69 6f 6e 20 73 68 6f |user sta|tion sho|
|00001590| 75 6c 64 20 75 73 65 20 | 61 20 76 65 72 74 69 63 |uld use |a vertic|
|000015a0| 61 6c 2d 62 6c 61 6e 6b | 69 6e 67 20 74 61 73 6b |al-blank|ing task|
|000015b0| 20 74 6f 20 67 65 6e 65 | 72 61 74 65 20 74 68 65 | to gene|rate the|
|000015c0| 73 65 20 74 69 63 6b 6c | 65 20 72 65 71 75 65 73 |se tickl|e reques|
|000015d0| 74 73 20 61 73 79 6e 63 | 72 6f 6e 6f 75 73 6c 79 |ts async|ronously|
|000015e0| 2c 20 72 61 74 68 65 72 | 20 74 68 61 6e 20 67 65 |, rather| than ge|
|000015f0| 6e 65 72 61 74 69 6e 67 | 20 74 68 65 6d 20 77 69 |nerating| them wi|
|00001600| 74 68 69 6e 20 74 68 65 | 20 47 65 74 4e 65 78 74 |thin the| GetNext|
|00001610| 45 76 65 6e 74 20 6c 6f | 6f 70 3b 20 74 68 69 73 |Event lo|op; this|
|00001620| 20 61 76 6f 69 64 73 20 | 70 72 6f 62 6c 65 6d 73 | avoids |problems|
|00001630| 20 77 69 74 68 20 6c 6f | 6e 67 20 70 65 72 69 6f | with lo|ng perio|
|00001640| 64 73 20 61 77 61 79 20 | 66 72 6f 6d 20 47 65 74 |ds away |from Get|
|00001650| 4e 65 78 74 45 76 65 6e | 74 20 28 73 75 63 68 20 |NextEven|t (such |
|00001660| 61 73 20 77 68 65 6e 20 | 61 20 6d 6f 64 61 6c 20 |as when |a modal |
|00001670| 64 69 61 6c 6f 67 20 62 | 6f 78 20 69 73 20 72 75 |dialog b|ox is ru|
|00001680| 6e 6e 69 6e 67 29 2e 20 | 54 68 69 73 20 74 61 73 |nning). |This tas|
|00001690| 6b 20 63 61 6e 20 6c 6f | 6f 6b 20 61 74 20 74 68 |k can lo|ok at th|
|000016a0| 65 20 74 69 6d 65 20 74 | 68 61 74 20 74 68 65 20 |e time t|hat the |
|000016b0| 6c 61 73 74 20 72 65 71 | 75 65 73 74 20 77 61 73 |last req|uest was|
|000016c0| 20 6d 61 64 65 20 6f 66 | 20 74 68 65 20 73 65 72 | made of| the ser|
|000016d0| 76 65 72 2c 20 61 6e 64 | 20 69 66 20 69 74 d5 73 |ver, and| if it.s|
|000016e0| 20 61 70 70 72 6f 61 63 | 68 69 6e 67 20 74 68 65 | approac|hing the|
|000016f0| 20 69 6e 74 65 72 76 61 | 6c 20 74 69 6d 65 2c 20 | interva|l time, |
|00001700| 71 75 65 75 65 20 61 6e | 20 61 73 79 6e 63 68 72 |queue an| asynchr|
|00001710| 6f 6e 6f 75 73 20 72 65 | 71 75 65 73 74 20 74 6f |onous re|quest to|
|00001720| 20 74 69 63 6b 6c 65 20 | 74 68 65 20 73 65 72 76 | tickle |the serv|
|00001730| 65 72 20 28 69 74 d5 73 | 20 69 6d 70 6f 72 74 61 |er (it.s| importa|
|00001740| 6e 74 20 74 68 61 74 20 | 61 6e 79 20 41 70 70 6c |nt that |any Appl|
|00001750| 65 54 61 6c 6b 20 63 61 | 6c 6c 73 20 6d 61 64 65 |eTalk ca|lls made|
|00001760| 20 66 72 6f 6d 20 69 6e | 74 65 72 72 75 70 74 20 | from in|terrupt |
|00001770| 6f 72 20 63 6f 6d 70 6c | 65 74 69 6f 6e 20 72 6f |or compl|etion ro|
|00001780| 75 74 69 6e 65 73 20 62 | 65 20 61 73 79 6e 63 68 |utines b|e asynch|
|00001790| 72 6f 6e 6f 75 73 29 2e | 0d 49 66 20 61 20 75 73 |ronous).|.If a us|
|000017a0| 65 72 20 73 74 61 74 69 | 6f 6e d5 73 20 72 65 71 |er stati|on.s req|
|000017b0| 75 65 73 74 20 28 69 6e | 63 6c 75 64 69 6e 67 20 |uest (in|cluding |
|000017c0| 61 20 74 69 63 6b 6c 65 | 20 72 65 71 75 65 73 74 |a tickle| request|
|000017d0| 29 20 67 6f 65 73 20 75 | 6e 61 6e 73 77 65 72 65 |) goes u|nanswere|
|000017e0| 64 2c 20 74 68 65 20 75 | 73 65 72 20 73 74 61 74 |d, the u|ser stat|
|000017f0| 69 6f 6e 20 73 68 6f 75 | 6c 64 20 72 65 63 6f 76 |ion shou|ld recov|
|00001800| 65 72 20 62 79 20 6c 6f | 6f 6b 69 6e 67 20 66 6f |er by lo|oking fo|
|00001810| 72 20 74 68 65 20 73 65 | 72 76 65 72 20 61 6e 64 |r the se|rver and|
|00001820| 20 72 65 65 73 74 61 62 | 6c 69 73 68 69 6e 67 20 | reestab|lishing |
|00001830| 63 6f 6d 6d 75 6e 69 63 | 61 74 69 6f 6e 73 20 61 |communic|ations a|
|00001840| 73 20 73 68 6f 77 6e 20 | 61 62 6f 76 65 20 28 62 |s shown |above (b|
|00001850| 65 67 69 6e 6e 69 6e 67 | 20 77 69 74 68 20 74 68 |eginning| with th|
|00001860| 65 20 63 61 6c 6c 20 74 | 6f 20 4e 42 50 4c 6f 6f |e call t|o NBPLoo|
|00001870| 6b 55 70 29 2e 0d 4d 6f | 72 65 20 69 6e 66 6f 72 |kUp)..Mo|re infor|
|00001880| 6d 61 74 69 6f 6e 20 61 | 62 6f 75 74 20 68 61 6c |mation a|bout hal|
|00001890| 66 2d 6f 70 65 6e 20 63 | 6f 6e 6e 65 63 74 69 6f |f-open c|onnectio|
|000018a0| 6e 73 20 63 61 6e 20 62 | 65 20 66 6f 75 6e 64 20 |ns can b|e found |
|000018b0| 69 6e 20 74 68 65 20 50 | 72 69 6e 74 65 72 20 41 |in the P|rinter A|
|000018c0| 63 63 65 73 73 20 50 72 | 6f 74 6f 63 6f 6c 20 63 |ccess Pr|otocol c|
|000018d0| 68 61 70 74 65 72 20 6f | 66 20 49 6e 73 69 64 65 |hapter o|f Inside|
|000018e0| 20 4c 61 73 65 72 57 72 | 69 74 65 72 2c 20 61 76 | LaserWr|iter, av|
|000018f0| 61 69 6c 61 62 6c 65 20 | 66 72 6f 6d 20 41 50 44 |ailable |from APD|
|00001900| 41 2e 0d 55 73 69 6e 67 | 20 74 68 65 20 43 6f 6e |A..Using| the Con|
|00001910| 6e 65 63 74 69 6f 6e 0d | 54 68 65 20 75 73 65 72 |nection.|The user|
|00001920| 20 73 74 61 74 69 6f 6e | 73 20 44 61 76 65 20 61 | station|s Dave a|
|00001930| 6e 64 20 42 69 6c 6c 20 | 68 61 76 65 20 65 73 74 |nd Bill |have est|
|00001940| 61 62 6c 69 73 68 65 64 | 20 63 6f 6d 6d 75 6e 69 |ablished| communi|
|00001950| 63 61 74 69 6f 6e 73 20 | 77 69 74 68 20 74 68 65 |cations |with the|
|00001960| 20 73 65 72 76 65 72 2c | 20 65 61 63 68 20 6f 6e | server,| each on|
|00001970| 20 69 74 73 20 6f 77 6e | 20 73 6f 63 6b 65 74 20 | its own| socket |
|00001980| 28 6e 6f 74 65 20 74 68 | 61 74 20 74 68 65 20 75 |(note th|at the u|
|00001990| 73 65 72 20 73 74 61 74 | 69 6f 6e 73 20 68 61 76 |ser stat|ions hav|
|000019a0| 65 20 6e 6f 74 20 68 61 | 64 20 74 6f 20 6f 70 65 |e not ha|d to ope|
|000019b0| 6e 20 74 68 65 69 72 20 | 6f 77 6e 20 73 6f 63 6b |n their |own sock|
|000019c0| 65 74 73 2c 20 6f 72 20 | 72 65 67 69 73 74 65 72 |ets, or |register|
|000019d0| 20 6e 61 6d 65 73 20 6f | 66 20 74 68 65 69 72 20 | names o|f their |
|000019e0| 6f 77 6e 2c 20 74 6f 20 | 64 6f 20 74 68 69 73 d1 |own, to |do this.|
|000019f0| 74 68 65 20 6e 61 6d 65 | 73 20 77 65 d5 72 65 20 |the name|s we.re |
|00001a00| 75 73 69 6e 67 20 61 72 | 65 20 6d 65 72 65 6c 79 |using ar|e merely|
|00001a10| 20 66 6f 72 20 65 78 70 | 6c 61 6e 61 74 69 6f 6e | for exp|lanation|
|00001a20| 61 6c 20 63 6f 6e 76 65 | 6e 69 65 6e 63 65 29 2e |al conve|nience).|
|00001a30| 20 54 68 65 79 20 61 72 | 65 20 61 6c 73 6f 20 61 | They ar|e also a|
|00001a40| 75 74 6f 6d 61 74 69 63 | 61 6c 6c 79 20 74 69 63 |utomatic|ally tic|
|00001a50| 6b 6c 69 6e 67 20 74 68 | 65 20 73 65 72 76 65 72 |kling th|e server|
|00001a60| 20 61 73 20 6e 65 63 65 | 73 73 61 72 79 2e 0d 4e | as nece|ssary..N|
|00001a70| 6f 77 20 74 68 65 20 75 | 73 65 72 20 73 74 61 74 |ow the u|ser stat|
|00001a80| 69 6f 6e 73 20 6d 61 6b | 65 20 72 65 71 75 65 73 |ions mak|e reques|
|00001a90| 74 73 20 6f 66 20 74 68 | 65 20 73 65 72 76 65 72 |ts of th|e server|
|00001aa0| 20 61 73 20 6e 65 65 64 | 65 64 3a 20 0d 42 69 6c | as need|ed: .Bil|
|00001ab0| 6c 3a 09 d2 49 d5 64 20 | 6c 69 6b 65 20 74 6f 20 |l:..I.d |like to |
|00001ac0| 75 73 65 20 74 68 65 20 | 73 61 6c 65 73 09 09 41 |use the |sales..A|
|00001ad0| 54 50 52 65 71 75 65 73 | 74 09 09 42 69 6c 6c 20 |TPReques|t..Bill |
|00001ae0| 6f 70 65 6e 73 20 61 20 | 64 61 74 61 62 61 73 65 |opens a |database|
|00001af0| 2e 0d 09 66 69 67 75 72 | 65 73 20 66 6f 72 20 74 |...figur|es for t|
|00001b00| 68 69 73 20 79 65 61 72 | 2e d3 0d 53 65 72 76 65 |his year|...Serve|
|00001b10| 72 3a 09 d2 4f 6b 2c 20 | 42 69 6c 6c 2e d3 09 09 |r:..Ok, |Bill....|
|00001b20| 09 41 54 50 52 65 73 70 | 6f 6e 73 65 09 09 54 68 |.ATPResp|onse..Th|
|00001b30| 65 20 73 65 72 76 65 72 | 20 63 68 65 63 6b 73 20 |e server| checks |
|00001b40| 74 6f 20 6d 61 6b 65 20 | 73 75 72 65 20 74 68 61 |to make |sure tha|
|00001b50| 74 0d 09 09 09 09 09 09 | 09 09 6e 6f 20 6f 6e 65 |t.......|..no one|
|00001b60| 20 65 6c 73 65 20 69 73 | 20 75 73 69 6e 67 20 74 | else is| using t|
|00001b70| 68 61 74 20 64 61 74 61 | 62 61 73 65 2e 0d 44 61 |hat data|base..Da|
|00001b80| 76 65 3a 09 d2 48 65 79 | 2c 20 53 65 72 76 65 72 |ve:..Hey|, Server|
|00001b90| 20 2d 20 49 d5 6d 20 73 | 74 69 6c 6c 20 68 65 72 | - I.m s|till her|
|00001ba0| 65 21 d3 09 41 54 50 52 | 65 71 75 65 73 74 09 09 |e!..ATPR|equest..|
|00001bb0| 44 61 76 65 20 6e 6f 74 | 69 63 65 73 20 74 68 61 |Dave not|ices tha|
|00001bc0| 74 20 74 68 65 20 69 6e | 74 65 72 76 61 6c 20 74 |t the in|terval t|
|00001bd0| 69 6d 65 20 69 73 20 09 | 09 09 09 09 09 09 09 61 |ime is .|.......a|
|00001be0| 70 70 72 6f 61 63 68 69 | 6e 67 2c 20 61 6e 64 20 |pproachi|ng, and |
|00001bf0| 6d 61 6b 65 73 20 61 20 | 74 69 63 6b 6c 65 20 0d |makes a |tickle .|
|00001c00| 09 09 09 09 09 09 09 09 | 72 65 71 75 65 73 74 2e |........|request.|
|00001c10| 0d 53 65 72 76 65 72 3a | 09 d2 4f 6b 2c 20 44 61 |.Server:|..Ok, Da|
|00001c20| 76 65 2e d3 09 09 09 41 | 54 50 52 65 73 70 6f 6e |ve.....A|TPRespon|
|00001c30| 73 65 09 09 54 68 65 20 | 73 65 72 76 65 72 20 72 |se..The |server r|
|00001c40| 65 73 65 74 73 20 69 74 | 73 20 d2 6c 61 73 74 20 |esets it|s .last |
|00001c50| 74 69 6d 65 20 49 20 68 | 65 61 72 64 20 09 09 09 |time I h|eard ...|
|00001c60| 09 09 09 09 09 66 72 6f | 6d 20 44 61 76 65 d3 2e |.....fro|m Dave..|
|00001c70| 0d 42 69 6c 6c 3a 09 d2 | 50 6c 65 61 73 65 20 70 |.Bill:..|Please p|
|00001c80| 72 69 6e 74 20 74 68 65 | 20 66 69 67 75 72 65 73 |rint the| figures|
|00001c90| 09 09 41 54 50 52 65 71 | 75 65 73 74 09 09 42 69 |..ATPReq|uest..Bi|
|00001ca0| 6c 6c 20 61 73 6b 73 20 | 66 6f 72 20 73 70 65 63 |ll asks |for spec|
|00001cb0| 69 66 69 63 20 64 61 74 | 61 2e 0d 09 66 6f 72 20 |ific dat|a...for |
|00001cc0| 4a 61 6e 75 61 72 79 20 | 74 68 72 75 20 4a 75 6e |January |thru Jun|
|00001cd0| 65 2e d3 0d 53 65 72 76 | 65 72 3a 09 d2 4f 6b 2c |e...Serv|er:..Ok,|
|00001ce0| 20 42 69 6c 6c 2e d3 09 | 09 09 41 54 50 52 65 73 | Bill...|..ATPRes|
|00001cf0| 70 6f 6e 73 65 09 09 54 | 68 65 20 73 65 72 76 65 |ponse..T|he serve|
|00001d00| 72 20 64 6f 65 73 20 61 | 20 64 61 74 61 62 61 73 |r does a| databas|
|00001d10| 65 20 73 65 61 72 63 68 | 0d 09 09 09 09 09 09 09 |e search|........|
|00001d20| 09 73 6f 72 74 73 20 74 | 68 65 20 72 65 73 75 6c |.sorts t|he resul|
|00001d30| 74 73 2c 20 61 6e 64 20 | 70 72 69 6e 74 73 20 74 |ts, and |prints t|
|00001d40| 68 65 6d 0d 09 09 09 09 | 09 09 09 09 6f 6e 20 61 |hem.....|....on a|
|00001d50| 20 6c 6f 63 61 6c 20 49 | 6d 61 67 65 77 72 69 74 | local I|magewrit|
|00001d60| 65 72 2e 0d 44 61 76 65 | 3a 09 d2 49 d5 64 20 6c |er..Dave|:..I.d l|
|00001d70| 69 6b 65 20 74 6f 20 75 | 73 65 20 74 68 65 20 73 |ike to u|se the s|
|00001d80| 61 6c 65 73 09 09 41 54 | 50 52 65 71 75 65 73 74 |ales..AT|PRequest|
|00001d90| 09 09 44 61 76 65 20 6f | 70 65 6e 73 20 61 20 64 |..Dave o|pens a d|
|00001da0| 61 74 61 62 61 73 65 2e | 0d 09 66 69 67 75 72 65 |atabase.|..figure|
|00001db0| 73 20 66 6f 72 20 74 68 | 69 73 20 79 65 61 72 2e |s for th|is year.|
|00001dc0| d3 0d 53 65 72 76 65 72 | 3a 09 d2 53 6f 72 72 79 |..Server|:..Sorry|
|00001dd0| 2c 20 44 61 76 65 2c 20 | 49 20 63 61 6e d5 74 20 |, Dave, |I can.t |
|00001de0| 64 6f 20 74 68 61 74 2e | 09 41 54 50 52 65 73 70 |do that.|.ATPResp|
|00001df0| 6f 6e 73 65 09 09 54 68 | 65 20 73 65 72 76 65 72 |onse..Th|e server|
|00001e00| 20 66 69 6e 64 73 20 74 | 68 61 74 20 42 69 6c 6c | finds t|hat Bill|
|00001e10| 20 69 73 20 75 73 69 6e | 67 20 74 68 61 74 0d 09 | is usin|g that..|
|00001e20| 42 69 6c 6c 20 69 73 20 | 75 73 69 6e 67 20 74 68 |Bill is |using th|
|00001e30| 61 74 20 64 61 74 61 62 | 61 73 65 2e d3 09 09 09 |at datab|ase.....|
|00001e40| 09 64 61 74 61 2e 0d 43 | 6c 6f 73 69 6e 67 20 74 |.data..C|losing t|
|00001e50| 68 65 20 43 6f 6e 6e 65 | 63 74 69 6f 6e 0d 54 68 |he Conne|ction.Th|
|00001e60| 65 20 75 73 65 72 20 73 | 74 61 74 69 6f 6e 73 20 |e user s|tations |
|00001e70| 63 6f 6e 74 69 6e 75 65 | 20 6d 61 6b 69 6e 67 20 |continue| making |
|00001e80| 72 65 71 75 65 73 74 73 | 20 6f 66 20 74 68 65 20 |requests| of the |
|00001e90| 73 65 72 76 65 72 2c 20 | 75 6e 74 69 6c 20 65 61 |server, |until ea|
|00001ea0| 63 68 20 69 73 20 66 69 | 6e 69 73 68 65 64 2e 20 |ch is fi|nished. |
|00001eb0| 54 68 65 20 74 79 70 65 | 20 6f 66 20 77 6f 72 6b |The type| of work|
|00001ec0| 20 62 65 69 6e 67 20 64 | 6f 6e 65 20 62 79 20 74 | being d|one by t|
|00001ed0| 68 65 20 73 65 72 76 65 | 72 20 64 65 74 65 72 6d |he serve|r determ|
|00001ee0| 69 6e 65 73 20 68 6f 77 | 20 6c 6f 6e 67 20 74 68 |ines how| long th|
|00001ef0| 65 20 63 6f 6e 76 65 72 | 73 61 74 69 6f 6e 20 77 |e conver|sation w|
|00001f00| 69 6c 6c 20 6c 61 73 74 | 3a 20 73 69 6e 63 65 20 |ill last|: since |
|00001f10| 74 68 65 20 6e 75 6d 62 | 65 72 20 6f 66 20 73 6f |the numb|er of so|
|00001f20| 63 6b 65 74 73 20 6f 70 | 65 6e 61 62 6c 65 20 62 |ckets op|enable b|
|00001f30| 79 20 74 68 65 20 73 65 | 72 76 65 72 20 69 73 20 |y the se|rver is |
|00001f40| 6c 69 6d 69 74 65 64 2c | 20 69 74 20 6d 61 79 20 |limited,| it may |
|00001f50| 62 65 20 64 65 73 69 72 | 61 62 6c 65 20 74 6f 20 |be desir|able to |
|00001f60| 73 74 72 75 63 74 75 72 | 65 20 74 68 65 20 72 65 |structur|e the re|
|00001f70| 71 75 65 73 74 73 20 69 | 6e 20 73 75 63 68 20 61 |quests i|n such a|
|00001f80| 20 77 61 79 20 74 68 61 | 74 20 74 68 65 20 61 76 | way tha|t the av|
|00001f90| 65 72 61 67 65 20 63 6f | 6e 76 65 72 73 61 74 69 |erage co|nversati|
|00001fa0| 6f 6e 20 69 73 20 76 65 | 72 79 20 73 68 6f 72 74 |on is ve|ry short|
|00001fb0| 2e 20 49 74 20 6d 61 79 | 20 61 6c 73 6f 20 62 65 |. It may| also be|
|00001fc0| 20 6e 65 63 65 73 73 61 | 72 79 20 74 6f 20 68 61 | necessa|ry to ha|
|00001fd0| 76 65 20 61 20 28 4e 42 | 50 20 6e 61 6d 65 64 29 |ve a (NB|P named)|
|00001fe0| 20 73 6f 63 6b 65 74 20 | 6f 70 65 6e 20 6f 6e 20 | socket |open on |
|00001ff0| 74 68 65 20 75 73 65 72 | 20 73 74 61 74 69 6f 6e |the user| station|
|00002000| 2c 20 69 66 20 74 68 65 | 20 73 65 72 76 65 72 20 |, if the| server |
|00002010| 6e 65 65 64 73 20 74 6f | 20 63 6f 6d 6d 75 6e 69 |needs to| communi|
|00002020| 63 61 74 65 20 77 69 74 | 68 20 74 68 65 20 75 73 |cate wit|h the us|
|00002030| 65 72 20 6f 6e 20 6f 74 | 68 65 72 20 74 68 61 6e |er on ot|her than|
|00002040| 20 61 20 72 65 71 75 65 | 73 74 2d 72 65 73 70 6f | a reque|st-respo|
|00002050| 6e 73 65 20 62 61 73 69 | 73 2e 20 48 65 72 65 20 |nse basi|s. Here |
|00002060| 69 73 20 68 6f 77 20 6f | 75 72 20 65 78 61 6d 70 |is how o|ur examp|
|00002070| 6c 65 20 63 6f 6e 6e 65 | 63 74 69 6f 6e 73 20 65 |le conne|ctions e|
|00002080| 6e 64 65 64 3a 0d 44 61 | 76 65 3a 09 d2 54 68 61 |nded:.Da|ve:..Tha|
|00002090| 6e 6b 20 79 6f 75 2c 20 | 73 65 72 76 65 72 2c 20 |nk you, |server, |
|000020a0| 49 d5 6d 20 64 6f 6e 65 | 09 41 54 50 52 65 71 75 |I.m done|.ATPRequ|
|000020b0| 65 73 74 09 09 44 61 76 | 65 20 74 65 6c 6c 73 20 |est..Dav|e tells |
|000020c0| 74 68 65 20 73 65 72 76 | 65 72 20 68 65 d5 73 20 |the serv|er he.s |
|000020d0| 66 69 6e 69 73 68 65 64 | 2e 0d 09 6e 6f 77 2e 20 |finished|...now. |
|000020e0| 59 6f 75 d5 76 65 20 62 | 65 65 6e 20 61 20 62 69 |You.ve b|een a bi|
|000020f0| 67 20 68 65 6c 70 2e d3 | 09 09 0d 53 65 72 76 65 |g help..|...Serve|
|00002100| 72 3a 09 d2 4f 6b 2c 20 | 44 61 76 65 2e 20 42 79 |r:..Ok, |Dave. By|
|00002110| 65 20 6e 6f 77 2e d3 09 | 09 41 54 50 52 65 73 70 |e now...|.ATPResp|
|00002120| 6f 6e 73 65 09 54 09 74 | 68 65 20 73 65 72 76 65 |onse.T.t|he serve|
|00002130| 72 20 6b 69 73 73 65 73 | 20 44 61 76 65 20 67 6f |r kisses| Dave go|
|00002140| 6f 64 62 79 65 2e 0d 09 | 09 09 09 09 41 54 50 43 |odbye...|....ATPC|
|00002150| 6c 6f 73 65 53 6b 74 09 | 09 41 66 74 65 72 20 74 |loseSkt.|.After t|
|00002160| 68 65 20 52 65 73 70 6f | 6e 73 65 20 6f 70 65 72 |he Respo|nse oper|
|00002170| 61 74 69 6f 6e 20 09 09 | 09 09 09 09 09 09 09 63 |ation ..|.......c|
|00002180| 6f 6d 70 6c 65 74 65 73 | 2c 20 74 68 65 20 73 65 |ompletes|, the se|
|00002190| 72 76 65 72 20 63 6c 6f | 73 65 73 0d 09 09 09 09 |rver clo|ses.....|
|000021a0| 09 09 09 09 74 68 65 20 | 73 6f 63 6b 65 74 20 44 |....the |socket D|
|000021b0| 61 76 65 20 77 61 73 20 | 75 73 69 6e 67 2e 20 49 |ave was |using. I|
|000021c0| 74 20 61 6c 73 6f 20 09 | 09 09 09 09 41 54 50 43 |t also .|....ATPC|
|000021d0| 6c 6f 73 65 53 6b 74 09 | 09 6e 6f 74 69 63 65 73 |loseSkt.|.notices|
|000021e0| 20 74 68 61 74 20 42 69 | 6c 6c 20 68 61 73 6e d5 | that Bi|ll hasn.|
|000021f0| 74 20 73 65 6e 74 20 61 | 20 72 65 71 75 65 73 74 |t sent a| request|
|00002200| 20 0d 09 09 09 09 09 09 | 09 09 69 6e 20 6d 6f 72 | .......|..in mor|
|00002210| 65 20 74 68 61 6e 20 74 | 77 6f 20 69 6e 74 65 72 |e than t|wo inter|
|00002220| 76 61 6c 73 2c 20 61 6e | 64 20 63 6c 6f 73 65 73 |vals, an|d closes|
|00002230| 20 09 09 09 09 09 09 09 | 09 42 69 6c 6c d5 73 20 | .......|.Bill.s |
|00002240| 73 6f 63 6b 65 74 2c 20 | 74 6f 6f 2e 0d 54 68 65 |socket, |too..The|
|00002250| 20 75 73 65 72 20 73 74 | 61 74 69 6f 6e 20 63 61 | user st|ation ca|
|00002260| 6e 20 66 6f 72 67 65 74 | 20 61 62 6f 75 74 20 74 |n forget| about t|
|00002270| 68 65 20 73 6f 63 6b 65 | 74 20 69 74 20 77 61 73 |he socke|t it was|
|00002280| 20 75 73 69 6e 67 20 6f | 6e 20 74 68 65 20 73 65 | using o|n the se|
|00002290| 72 76 65 72 3b 20 69 66 | 20 69 74 20 6e 65 65 64 |rver; if| it need|
|000022a0| 73 20 74 6f 20 74 61 6c | 6b 20 77 69 74 68 20 74 |s to tal|k with t|
|000022b0| 68 65 20 73 65 72 76 65 | 72 20 61 67 61 69 6e 2c |he serve|r again,|
|000022c0| 20 69 74 20 73 74 61 72 | 74 73 20 61 74 20 74 68 | it star|ts at th|
|000022d0| 65 20 4e 42 50 4c 6f 6f | 6b 55 70 20 28 6a 75 73 |e NBPLoo|kUp (jus|
|000022e0| 74 20 69 6e 20 63 61 73 | 65 20 74 68 65 20 73 65 |t in cas|e the se|
|000022f0| 72 76 65 72 20 68 61 73 | 20 6d 6f 76 65 64 2c 20 |rver has| moved, |
|00002300| 67 6f 6e 65 20 64 6f 77 | 6e 20 61 6e 64 20 63 6f |gone dow|n and co|
|00002310| 6d 65 20 75 70 2c 20 65 | 74 63 2e 29 2e 0d 46 75 |me up, e|tc.)..Fu|
|00002320| 72 74 68 65 72 20 52 65 | 66 65 72 65 6e 63 65 3a |rther Re|ference:|
|00002330| 0d a5 09 54 68 65 20 41 | 70 70 6c 65 54 61 6c 6b |...The A|ppleTalk|
|00002340| 20 4d 61 6e 61 67 65 72 | 20 49 6e 73 69 64 65 20 | Manager| Inside |
|00002350| 4c 61 73 65 72 57 72 69 | 74 65 72 0d 17 78 00 00 |LaserWri|ter..x..|
|00002360| 00 00 03 48 02 52 00 11 | 02 ff 0c 00 ff ff ff ff |...H.R..|........|
|00002370| 00 00 00 00 00 00 00 00 | 02 52 00 00 03 48 00 00 |........|.R...H..|
|00002380| 00 00 00 00 00 a0 00 82 | 00 1e 00 01 00 0a 00 2f |........|......./|
|00002390| 00 5a 00 81 02 23 00 07 | 00 00 00 00 00 08 00 0a |.Z...#..|........|
|000023a0| 00 09 30 49 88 3a b5 9c | f0 39 00 22 00 7b 02 1a |..0I.:..|.9.".{..|
|000023b0| 00 00 00 09 ff ff ff ff | ff ff ff ff 00 23 00 00 |........|.....#..|
|000023c0| 00 a0 00 c4 00 a1 00 64 | 00 0a 4f 4e 4c 4e 00 66 |.......d|..ONLN.f|
|000023d0| 00 00 01 fe 00 a0 00 8c | 00 a1 00 64 00 31 64 72 |........|...d.1dr|
|000023e0| 77 32 00 02 01 c9 00 2d | 01 e1 01 5f 00 00 80 00 |w2.....-|..._....|
|000023f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002400| ff ff ff ff ff ff 00 01 | 00 00 01 8f 00 00 00 00 |........|........|
|00002410| 00 a1 00 96 00 0c 01 00 | 00 00 02 78 00 00 00 00 |........|...x....|
|00002420| 00 00 00 a1 00 64 00 10 | 64 72 77 32 00 3a 00 05 |.....d..|drw2.:..|
|00002430| 00 00 00 00 00 01 00 00 | 00 a1 00 64 00 0e 64 72 |........|...d..dr|
|00002440| 77 32 00 3a 00 02 00 24 | 00 00 00 00 00 a1 00 64 |w2.:...$|.......d|
|00002450| 00 34 64 72 77 32 00 3a | 00 01 00 03 01 00 00 18 |.4drw2.:|........|
|00002460| 00 00 00 00 00 00 00 00 | 00 00 00 01 00 01 00 01 |........|........|
|00002470| 00 01 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002480| 00 00 00 00 00 00 00 a1 | 00 9a 00 08 ff fa 00 00 |........|........|
|00002490| 00 97 40 00 00 a0 00 98 | 00 2c 00 08 00 14 05 54 |..@.....|.,.....T|
|000024a0| 69 6d 65 73 00 03 00 14 | 00 04 01 00 00 0d 00 18 |imes....|........|
|000024b0| 00 2e 00 04 00 00 01 00 | 00 10 00 52 01 c9 00 52 |........|...R...R|
|000024c0| 01 c9 00 2b 5d 42 13 4e | 65 77 20 54 65 63 68 6e |...+]B.N|ew Techn|
|000024d0| 69 63 61 6c 20 4e 6f 74 | 65 73 00 a0 00 99 00 a1 |ical Not|es......|
|000024e0| 00 64 00 08 64 72 77 32 | 00 3a 00 04 00 a1 14 e3 |.d..drw2|.:......|
|000024f0| 00 02 00 01 00 a0 00 97 | 00 a1 00 64 00 31 64 72 |........|...d.1dr|
|00002500| 77 32 00 02 02 06 01 65 | 02 19 01 f4 00 00 80 00 |w2.....e|........|
|00002510| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002520| ff ff ff ff ff ff 00 01 | 00 00 01 50 00 00 00 00 |........|...P....|
|00002530| 00 a1 00 96 00 0c 01 00 | 00 00 02 78 00 00 00 00 |........|...x....|
|00002540| 00 00 00 a1 00 64 00 10 | 64 72 77 32 00 3a 00 05 |.....d..|drw2.:..|
|00002550| 00 00 00 00 00 01 00 00 | 00 a1 00 64 00 0e 64 72 |........|...d..dr|
|00002560| 77 32 00 3a 00 02 00 24 | 00 00 00 00 00 a1 00 64 |w2.:...$|.......d|
|00002570| 00 34 64 72 77 32 00 3a | 00 01 00 03 00 00 00 12 |.4drw2.:|........|
|00002580| 00 00 00 00 00 00 00 00 | 00 00 00 01 00 01 00 01 |........|........|
|00002590| 00 01 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000025a0| 00 00 00 00 00 00 00 a1 | 00 9a 00 08 ff fb 80 00 |........|........|
|000025b0| 00 45 c0 00 00 a0 00 98 | 00 04 00 00 00 0d 00 12 |.E......|........|
|000025c0| 00 28 00 7b 01 95 11 44 | 65 76 65 6c 6f 70 65 72 |.(.{...D|eveloper|
|000025d0| 20 53 75 70 70 6f 72 74 | 00 a0 00 99 00 a1 00 64 | Support|.......d|
|000025e0| 00 08 64 72 77 32 00 3a | 00 04 00 a1 14 e3 00 02 |..drw2.:|........|
|000025f0| 00 01 00 a0 00 97 00 a1 | 00 64 00 60 64 72 77 32 |........|.d.`drw2|
|00002600| 00 03 02 00 00 2d 02 00 | 01 ef 00 00 00 00 00 00 |.....-..|........|
|00002610| 00 00 02 02 00 00 00 00 | 00 00 00 00 00 00 ff ff |........|........|
|00002620| ff ff ff ff 00 01 00 01 | 08 4b 00 00 00 00 02 00 |........|.K......|
|00002630| 01 ef 02 00 00 2d 00 00 | 00 00 00 00 00 00 00 01 |.....-..|........|
|00002640| 00 14 00 0c 00 03 00 02 | 00 00 00 5a 00 01 00 00 |........|...Z....|
|00002650| 00 02 00 00 00 03 00 0c | 00 00 00 00 00 07 00 02 |........|........|
|00002660| 00 02 00 08 00 08 00 20 | 00 66 02 1c 00 66 00 5a |....... |.f...f.Z|
|00002670| 00 a1 00 64 00 31 64 72 | 77 32 00 02 01 ca 01 c0 |...d.1dr|w2......|
|00002680| 01 fa 01 e9 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002690| 00 00 00 00 00 00 00 00 | ff ff ff ff ff ff 00 01 |........|........|
|000026a0| 00 00 01 4b 00 00 00 00 | 00 a1 00 96 00 0c 01 00 |...K....|........|
|000026b0| 00 00 02 78 00 00 00 00 | 00 00 00 a1 00 64 00 10 |...x....|.....d..|
|000026c0| 64 72 77 32 00 3a 00 05 | 00 00 00 00 00 01 00 00 |drw2.:..|........|
|000026d0| 00 a1 00 64 00 0e 64 72 | 77 32 00 3a 00 02 00 24 |...d..dr|w2.:...$|
|000026e0| 00 00 00 00 00 a1 00 64 | 00 34 64 72 77 32 00 3a |.......d|.4drw2.:|
|000026f0| 00 01 00 03 00 00 00 30 | 00 00 00 00 00 00 00 00 |.......0|........|
|00002700| 00 00 00 01 00 01 00 01 | 00 01 00 00 00 00 00 00 |........|........|
|00002710| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 a1 |........|........|
|00002720| 00 9a 00 08 ff f4 00 00 | 00 13 80 00 00 a0 00 98 |........|........|
|00002730| 00 0d 00 30 00 28 00 55 | 01 ef 01 f0 00 a0 00 99 |...0.(.U|........|
|00002740| 00 a1 00 64 00 08 64 72 | 77 32 00 3a 00 04 00 a1 |...d..dr|w2.:....|
|00002750| 14 e3 00 02 00 01 00 a0 | 00 97 00 a1 00 64 00 31 |........|.....d.1|
|00002760| 64 72 77 32 00 02 01 ef | 01 e6 01 fa 01 f0 00 00 |drw2....|........|
|00002770| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002780| 00 00 ff ff ff ff ff ff | 00 01 00 00 01 00 00 00 |........|........|
|00002790| 00 00 00 a1 00 96 00 0c | 01 00 00 00 02 78 00 00 |........|.....x..|
|000027a0| 00 00 00 00 00 a1 00 64 | 00 10 64 72 77 32 00 3a |.......d|..drw2.:|
|000027b0| 00 05 00 00 00 00 00 01 | 00 00 00 a1 00 64 00 0e |........|.....d..|
|000027c0| 64 72 77 32 00 3a 00 02 | 00 24 00 00 00 00 00 a1 |drw2.:..|.$......|
|000027d0| 00 64 00 34 64 72 77 32 | 00 3a 00 01 00 03 00 00 |.d.4drw2|.:......|
|000027e0| 00 09 00 00 00 00 00 00 | 00 00 00 00 00 01 00 01 |........|........|
|000027f0| 00 01 00 01 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002800| 00 00 00 00 00 00 00 00 | 00 a1 00 9a 00 08 ff fd |........|........|
|00002810| 80 00 00 04 00 00 00 a0 | 00 98 00 0d 00 09 00 2b |........|.......+|
|00002820| 26 09 01 a8 00 a0 00 99 | 00 a1 00 64 00 08 64 72 |&.......|...d..dr|
|00002830| 77 32 00 3a 00 04 00 a1 | 14 e3 00 02 00 01 00 a0 |w2.:....|........|
|00002840| 00 97 00 a1 00 64 00 31 | 64 72 77 32 00 02 01 e5 |.....d.1|drw2....|
|00002850| 00 2d 01 f8 00 79 00 00 | 00 00 00 00 00 00 00 00 |.-...y..|........|
|00002860| 00 00 00 00 00 00 00 00 | 00 00 ff ff ff ff ff ff |........|........|
|00002870| 00 01 00 01 01 00 00 00 | 01 00 00 a1 00 96 00 0c |........|........|
|00002880| 01 00 00 00 02 78 00 00 | 00 00 00 00 00 a1 00 64 |.....x..|.......d|
|00002890| 00 10 64 72 77 32 00 3a | 00 05 00 00 00 00 00 01 |..drw2.:|........|
|000028a0| 00 00 00 a1 00 64 00 0e | 64 72 77 32 00 3a 00 02 |.....d..|drw2.:..|
|000028b0| 00 24 00 00 00 00 00 a1 | 00 64 00 34 64 72 77 32 |.$......|.d.4drw2|
|000028c0| 00 3a 00 01 00 03 00 00 | 00 12 00 00 00 00 00 00 |.:......|........|
|000028d0| 00 00 00 00 00 01 00 01 | 00 01 00 01 00 00 00 00 |........|........|
|000028e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000028f0| 00 a1 00 9a 00 08 ff fb | 80 00 00 25 00 00 00 a0 |........|...%....|
|00002900| 00 98 00 0d 00 12 00 28 | 00 5a 00 5c 09 4d 61 63 |.......(|.Z.\.Mac|
|00002910| 69 6e 74 6f 73 68 00 a0 | 00 99 00 a1 00 64 00 08 |intosh..|.....d..|
|00002920| 64 72 77 32 00 3a 00 04 | 00 a1 14 e3 00 02 00 01 |drw2.:..|........|
|00002930| 00 a0 00 97 00 a0 00 8d | 00 a1 00 64 00 06 64 72 |........|...d..dr|
|00002940| 77 32 00 44 00 a0 00 83 | 00 01 00 0a 00 00 00 00 |w2.D....|........|
|00002950| 03 48 02 52 00 04 01 00 | 00 2e 00 04 00 00 00 00 |.H.R....|........|
|00002960| 00 10 00 01 00 01 00 01 | 00 01 00 a1 00 64 00 10 |........|.....d..|
|00002970| 4f 4e 4c 4e 00 64 00 00 | 00 8d 00 5a 00 a0 01 86 |ONLN.d..|...Z....|
|00002980| 00 28 00 9b 00 5a 21 4e | 57 20 32 31 20 2d 20 44 |.(...Z!N|W 21 - D|
|00002990| 61 74 61 20 53 65 72 76 | 65 72 73 20 6f 6e 20 41 |ata Serv|ers on A|
|000029a0| 70 70 6c 65 54 61 6c 6b | 00 0d 00 0e 00 a1 00 64 |ppleTalk|.......d|
|000029b0| 00 10 4f 4e 4c 4e 00 64 | 00 22 00 9f 00 5a 00 ae |..ONLN.d|."...Z..|
|000029c0| 00 a8 00 2a 10 0a 4e 65 | 74 77 6f 72 6b 69 6e 67 |...*..Ne|tworking|
|000029d0| 00 04 00 00 00 0d 00 0c | 00 a1 00 64 00 10 4f 4e |........|...d..ON|
|000029e0| 4c 4e 00 64 00 2e 00 ba | 00 5a 00 c6 00 92 00 2a |LN.d....|.Z.....*|
|000029f0| 18 0b 52 65 76 69 73 65 | 64 20 62 79 3a 00 00 a1 |..Revise|d by:...|
|00002a00| 00 64 00 10 4f 4e 4c 4e | 00 64 00 3b 00 ba 01 e3 |.d..ONLN|.d.;....|
|00002a10| 00 c6 02 1c 00 28 00 c3 | 01 e3 0a 4d 61 72 63 68 |.....(..|...March|
|00002a20| 20 31 39 38 38 00 00 a1 | 00 64 00 10 4f 4e 4c 4e | 1988...|.d..ONLN|
|00002a30| 00 64 00 46 00 c6 00 5a | 00 d2 00 8f 00 28 00 cf |.d.F...Z|.....(..|
|00002a40| 00 5a 0b 57 72 69 74 74 | 65 6e 20 62 79 3a 00 a1 |.Z.Writt|en by:..|
|00002a50| 00 64 00 10 4f 4e 4c 4e | 00 64 00 52 00 c6 00 a2 |.d..ONLN|.d.R....|
|00002a60| 00 d2 00 e5 00 29 48 0d | 42 72 79 61 6e 20 53 74 |.....)H.|Bryan St|
|00002a70| 65 61 72 6e 73 00 00 a1 | 00 64 00 10 4f 4e 4c 4e |earns...|.d..ONLN|
|00002a80| 00 64 00 60 00 c6 01 e9 | 00 d2 02 1c 00 28 00 cf |.d.`....|.....(..|
|00002a90| 01 e9 0a 41 70 72 69 6c | 20 31 39 38 35 00 00 06 |...April| 1985...|
|00002aa0| 00 03 00 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|00002ab0| 00 6b 00 de 00 5a 00 ea | 01 53 00 28 00 e7 00 5a |.k...Z..|.S.(...Z|
|00002ac0| 31 4d 61 6e 79 20 61 70 | 70 6c 69 63 61 74 69 6f |1Many ap|plicatio|
|00002ad0| 6e 73 20 63 6f 75 6c 64 | 20 62 65 6e 65 66 69 74 |ns could| benefit|
|00002ae0| 20 66 72 6f 6d 20 74 68 | 65 20 61 62 69 6c 69 74 | from th|e abilit|
|00002af0| 79 20 00 06 00 04 00 00 | 00 a1 00 64 00 10 4f 4e |y ......|...d..ON|
|00002b00| 4c 4e 00 64 00 9c 00 de | 01 53 00 ea 02 1c 00 29 |LN.d....|.S.....)|
|00002b10| f9 24 74 6f 20 73 68 61 | 72 65 20 63 6f 6d 6d 6f |.$to sha|re commo|
|00002b20| 6e 20 64 61 74 61 20 62 | 65 74 77 65 65 6e 20 73 |n data b|etween s|
|00002b30| 65 76 65 72 61 6c 00 06 | 00 01 00 00 00 a1 00 64 |everal..|.......d|
|00002b40| 00 10 4f 4e 4c 4e 00 64 | 00 c1 00 ea 00 5a 00 f6 |..ONLN.d|.....Z..|
|00002b50| 01 7b 00 28 00 f3 00 5a | 3d 4d 61 63 69 6e 74 6f |.{.(...Z|=Macinto|
|00002b60| 73 68 65 73 2c 20 77 69 | 74 68 6f 75 74 20 72 65 |shes, wi|thout re|
|00002b70| 71 75 69 72 69 6e 67 20 | 61 20 66 69 6c 65 20 73 |quiring |a file s|
|00002b80| 65 72 76 65 72 2e 20 54 | 68 69 73 20 74 65 63 68 |erver. T|his tech|
|00002b90| 6e 69 63 61 6c 20 00 06 | 00 02 00 00 00 a1 00 64 |nical ..|.......d|
|00002ba0| 00 10 4f 4e 4c 4e 00 64 | 00 fe 00 ea 01 7b 00 f6 |..ONLN.d|.....{..|
|00002bb0| 02 1c 00 28 00 f3 01 7b | 20 6e 6f 74 65 20 64 69 |...(...{| note di|
|00002bc0| 73 63 75 73 73 65 73 20 | 6f 6e 65 20 74 65 63 68 |scusses |one tech|
|00002bd0| 6e 69 71 75 65 20 66 6f | 72 00 00 06 00 00 00 00 |nique fo|r.......|
|00002be0| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 01 1f 00 f6 |...d..ON|LN.d....|
|00002bf0| 00 5a 01 02 01 1f 00 28 | 00 ff 00 5a 26 6d 61 6e |.Z.....(|...Z&man|
|00002c00| 61 67 69 6e 67 20 74 68 | 69 73 20 41 70 70 6c 65 |aging th|is Apple|
|00002c10| 54 61 6c 6b 20 63 6f 6d | 6d 75 6e 69 63 61 74 69 |Talk com|municati|
|00002c20| 6f 6e 2e 00 00 07 00 01 | 00 01 00 20 01 0e 00 58 |on......|... ...X|
|00002c30| 01 0e 02 1d 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|00002c40| 01 46 01 1b 00 5a 01 27 | 01 65 00 2a 25 38 54 68 |.F...Z.'|.e.*%8Th|
|00002c50| 65 72 65 20 61 72 65 20 | 66 6f 75 72 20 6d 61 69 |ere are |four mai|
|00002c60| 6e 20 63 6c 61 73 73 65 | 73 20 6f 66 20 6e 65 74 |n classe|s of net|
|00002c70| 77 6f 72 6b 20 d2 73 65 | 72 76 65 72 d3 20 64 65 |work .se|rver. de|
|00002c80| 76 69 63 65 73 3a 00 04 | 01 00 00 06 00 01 00 00 |vices:..|........|
|00002c90| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 01 80 01 33 |...d..ON|LN.d...3|
|00002ca0| 00 5a 01 3f 00 b0 00 2a | 18 0e 44 65 76 69 63 65 |.Z.?...*|..Device|
|00002cb0| 20 53 65 72 76 65 72 73 | 00 04 00 00 00 a1 00 64 | Servers|.......d|
|00002cc0| 00 10 4f 4e 4c 4e 00 64 | 01 8e 01 33 00 b0 01 3f |..ONLN.d|...3...?|
|00002cd0| 00 b8 00 29 56 02 2c 20 | 00 06 00 02 00 00 00 a1 |...)V., |........|
|00002ce0| 00 64 00 10 4f 4e 4c 4e | 00 64 01 90 01 33 00 b8 |.d..ONLN|.d...3..|
|00002cf0| 01 3f 02 1c 00 29 08 47 | 73 75 63 68 20 61 73 20 |.?...).G|such as |
|00002d00| 74 68 65 20 4c 61 73 65 | 72 57 72 69 74 65 72 2c |the Lase|rWriter,|
|00002d10| 20 61 6c 6c 6f 77 20 73 | 65 76 65 72 61 6c 20 75 | allow s|everal u|
|00002d20| 73 65 72 73 20 74 6f 20 | 73 68 61 72 65 20 61 20 |sers to |share a |
|00002d30| 73 69 6e 67 6c 65 20 68 | 61 72 64 77 61 72 65 00 |single h|ardware.|
|00002d40| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 01 d8 01 3f |...d..ON|LN.d...?|
|00002d50| 00 5a 01 4b 00 80 00 28 | 01 48 00 5a 08 64 65 76 |.Z.K...(|.H.Z.dev|
|00002d60| 69 63 65 3b 20 00 00 06 | 00 03 00 00 00 a1 00 64 |ice; ...|.......d|
|00002d70| 00 10 4f 4e 4c 4e 00 64 | 01 e0 01 3f 00 80 01 4b |..ONLN.d|...?...K|
|00002d80| 02 1c 00 29 26 4f 6f 74 | 68 65 72 20 65 78 61 6d |...)&Oot|her exam|
|00002d90| 70 6c 65 73 20 6f 66 20 | 74 68 69 73 20 28 63 75 |ples of |this (cu|
|00002da0| 72 72 65 6e 74 6c 79 20 | 75 6e 64 65 72 20 64 65 |rrently |under de|
|00002db0| 76 65 6c 6f 70 6d 65 6e | 74 20 62 79 20 74 68 69 |velopmen|t by thi|
|00002dc0| 72 64 20 70 61 72 74 69 | 65 73 29 20 61 72 65 20 |rd parti|es) are |
|00002dd0| 6d 6f 64 65 6d 00 00 06 | 00 05 00 00 00 a1 00 64 |modem...|.......d|
|00002de0| 00 10 4f 4e 4c 4e 00 64 | 02 30 01 4b 00 5a 01 57 |..ONLN.d|.0.K.Z.W|
|00002df0| 01 4f 00 28 01 54 00 5a | 2e 73 65 72 76 65 72 73 |.O.(.T.Z|.servers|
|00002e00| 20 61 6e 64 20 73 65 72 | 69 61 6c 20 73 65 72 76 | and ser|ial serv|
|00002e10| 65 72 73 20 28 74 6f 20 | 74 61 6b 65 20 61 64 76 |ers (to |take adv|
|00002e20| 61 6e 74 61 67 65 20 00 | 00 06 00 06 00 00 00 a1 |antage .|........|
|00002e30| 00 64 00 10 4f 4e 4c 4e | 00 64 02 5e 01 4b 01 4f |.d..ONLN|.d.^.K.O|
|00002e40| 01 57 02 1c 00 29 f5 27 | 6f 66 20 6e 6f 6e 2d 69 |.W...).'|of non-i|
|00002e50| 6e 74 65 6c 6c 69 67 65 | 6e 74 20 70 72 69 6e 74 |ntellige|nt print|
|00002e60| 65 72 73 20 73 75 63 68 | 20 61 73 20 74 68 65 00 |ers such| as the.|
|00002e70| 00 06 00 00 00 00 00 a1 | 00 64 00 10 4f 4e 4c 4e |........|.d..ONLN|
|00002e80| 00 64 02 86 01 57 00 5a | 01 63 00 9d 00 28 01 60 |.d...W.Z|.c...(.`|
|00002e90| 00 5a 0d 49 6d 61 67 65 | 57 72 69 74 65 72 29 2e |.Z.Image|Writer).|
|00002ea0| 00 04 01 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|00002eb0| 02 95 01 6f 00 5a 01 7b | 00 9f 00 2a 18 0c 46 69 |...o.Z.{|...*..Fi|
|00002ec0| 6c 65 20 53 65 72 76 65 | 72 73 00 04 00 00 00 a1 |le Serve|rs......|
|00002ed0| 00 64 00 10 4f 4e 4c 4e | 00 64 02 a1 01 6f 00 9f |.d..ONLN|.d...o..|
|00002ee0| 01 7b 01 63 00 29 45 29 | 2c 20 73 75 63 68 20 61 |.{.c.)E)|, such a|
|00002ef0| 73 20 41 70 70 6c 65 53 | 68 61 72 65 2c 20 77 68 |s AppleS|hare, wh|
|00002f00| 69 63 68 20 73 75 70 70 | 6f 72 74 20 66 69 6c 65 |ich supp|ort file|
|00002f10| 20 00 00 06 00 01 00 00 | 00 a1 00 64 00 10 4f 4e | .......|...d..ON|
|00002f20| 4c 4e 00 64 02 ca 01 6f | 01 63 01 7b 02 1c 00 29 |LN.d...o|.c.{...)|
|00002f30| c4 25 61 63 63 65 73 73 | 20 6f 70 65 72 61 74 69 |.%access| operati|
|00002f40| 6f 6e 73 20 6f 76 65 72 | 20 74 68 65 20 6e 65 74 |ons over| the net|
|00002f50| 77 6f 72 6b 2e 20 41 00 | 00 a1 00 64 00 10 4f 4e |work. A.|...d..ON|
|00002f60| 4c 4e 00 64 02 f0 01 7b | 00 5a 01 87 01 cb 00 28 |LN.d...{|.Z.....(|
|00002f70| 01 84 00 5a 4c 75 73 65 | 72 20 73 74 61 74 69 6f |...ZLuse|r statio|
|00002f80| 6e 20 73 65 6e 64 73 20 | 68 69 67 68 2d 6c 65 76 |n sends |high-lev|
|00002f90| 65 6c 20 72 65 71 75 65 | 73 74 73 20 6f 76 65 72 |el reque|sts over|
|00002fa0| 20 74 68 65 20 6e 65 74 | 77 6f 72 6b 20 28 73 75 | the net|work (su|
|00002fb0| 63 68 20 61 73 20 d2 4f | 70 65 6e 20 74 68 69 73 |ch as .O|pen this|
|00002fc0| 20 00 00 06 00 02 00 00 | 00 a1 00 64 00 10 4f 4e | .......|...d..ON|
|00002fd0| 4c 4e 00 64 03 3c 01 7b | 01 cb 01 87 02 1c 00 28 |LN.d.<.{|.......(|
|00002fe0| 01 84 01 cb 10 66 69 6c | 65 2c d3 20 d2 52 65 61 |.....fil|e,. .Rea|
|00002ff0| 64 20 31 33 37 00 00 06 | 00 00 00 00 00 a1 00 64 |d 137...|.......d|
|00003000| 00 10 4f 4e 4c 4e 00 64 | 03 4d 01 87 00 5a 01 93 |..ONLN.d|.M...Z..|
|00003010| 01 be 00 28 01 90 00 5a | 54 62 79 74 65 73 20 73 |...(...Z|Tbytes s|
|00003020| 74 61 72 74 69 6e 67 20 | 61 74 20 74 68 65 20 63 |tarting |at the c|
|00003030| 75 72 72 65 6e 74 20 66 | 69 6c 65 20 70 6f 73 69 |urrent f|ile posi|
|00003040| 74 69 6f 6e 20 6f 66 20 | 74 68 69 73 20 66 69 6c |tion of |this fil|
|00003050| 65 2c d3 20 d2 43 6c 6f | 73 65 20 74 68 69 73 20 |e,. .Clo|se this |
|00003060| 66 69 6c 65 2c d3 20 65 | 74 63 2e 29 2e 00 00 04 |file,. e|tc.)....|
|00003070| 01 00 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 03 a2 |.....d..|ONLN.d..|
|00003080| 01 9f 00 5a 01 ab 00 aa | 00 2a 18 0d 42 6c 6f 63 |...Z....|.*..Bloc|
|00003090| 6b 20 53 65 72 76 65 72 | 73 00 00 04 00 00 00 a1 |k Server|s.......|
|000030a0| 00 64 00 10 4f 4e 4c 4e | 00 64 03 af 01 9f 00 aa |.d..ONLN|.d......|
|000030b0| 01 ab 01 49 00 29 50 21 | 2c 20 77 68 69 63 68 20 |...I.)P!|, which |
|000030c0| 61 6e 73 77 65 72 20 74 | 6f 20 62 6c 6f 63 6b 20 |answer t|o block |
|000030d0| 72 65 71 75 65 73 74 73 | 20 00 00 06 00 01 00 00 |requests| .......|
|000030e0| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 03 d0 01 9f |...d..ON|LN.d....|
|000030f0| 01 49 01 ab 02 1c 00 29 | 9f 2a 6f 76 65 72 20 74 |.I.....)|.*over t|
|00003100| 68 65 20 6e 65 74 77 6f | 72 6b 2e 20 54 68 65 73 |he netwo|rk. Thes|
|00003110| 65 20 72 65 71 75 65 73 | 74 73 20 69 6d 70 61 72 |e reques|ts impar|
|00003120| 74 20 6e 6f 00 06 00 00 | 00 00 00 a1 00 64 00 10 |t no....|.....d..|
|00003130| 4f 4e 4c 4e 00 64 03 fb | 01 ab 00 5a 01 b7 01 e7 |ONLN.d..|...Z....|
|00003140| 00 28 01 b4 00 5a 53 66 | 69 6c 65 20 73 79 73 74 |.(...ZSf|ile syst|
|00003150| 65 6d 20 6b 6e 6f 77 6c | 65 64 67 65 20 61 62 6f |em knowl|edge abo|
|00003160| 75 74 20 74 68 65 20 62 | 6c 6f 63 6b 73 20 62 65 |ut the b|locks be|
|00003170| 69 6e 67 20 70 61 73 73 | 65 64 2c 20 69 2e 65 2e |ing pass|ed, i.e.|
|00003180| 2c 20 74 68 65 20 73 65 | 72 76 65 72 20 64 6f 65 |, the se|rver doe|
|00003190| 73 6e d5 74 20 6b 6e 6f | 77 20 00 06 00 01 00 00 |sn.t kno|w ......|
|000031a0| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 04 4e 01 ab |...d..ON|LN.d.N..|
|000031b0| 01 e7 01 b7 02 1c 00 28 | 01 b4 01 e7 0b 77 68 69 |.......(|.....whi|
|000031c0| 63 68 20 66 69 6c 65 73 | 00 a1 00 64 00 10 4f 4e |ch files|...d..ON|
|000031d0| 4c 4e 00 64 04 5a 01 b7 | 00 5a 01 c3 01 e2 00 28 |LN.d.Z..|.Z.....(|
|000031e0| 01 c0 00 5a 50 61 72 65 | 20 6f 70 65 6e 20 62 79 |...ZPare| open by|
|000031f0| 20 77 68 69 63 68 20 75 | 73 65 72 73 2c 20 61 6e | which u|sers, an|
|00003200| 64 20 74 68 65 72 65 66 | 6f 72 65 20 63 61 6e 6e |d theref|ore cann|
|00003210| 6f 74 20 70 72 6f 74 65 | 63 74 20 6f 6e 65 20 75 |ot prote|ct one u|
|00003220| 73 65 72 d5 73 20 6f 70 | 65 6e 20 66 69 6c 65 20 |ser.s op|en file |
|00003230| 66 72 6f 6d 20 00 00 06 | 00 02 00 00 00 a1 00 64 |from ...|.......d|
|00003240| 00 10 4f 4e 4c 4e 00 64 | 04 aa 01 b7 01 e2 01 c3 |..ONLN.d|........|
|00003250| 02 1c 00 28 01 c0 01 e2 | 0c 6f 74 68 65 72 20 75 |...(....|.other u|
|00003260| 73 65 72 73 2e 00 00 06 | 00 00 00 00 00 a1 00 64 |sers....|.......d|
|00003270| 00 10 4f 4e 4c 4e 00 64 | 04 b7 01 c3 00 5a 01 cf |..ONLN.d|.....Z..|
|00003280| 01 b3 00 28 01 cc 00 5a | 4a 45 78 61 6d 70 6c 65 |...(...Z|JExample|
|00003290| 73 20 6f 66 20 74 68 69 | 73 20 74 79 70 65 20 6f |s of thi|s type o|
|000032a0| 66 20 73 65 72 76 65 72 | 20 61 72 65 20 61 76 61 |f server| are ava|
|000032b0| 69 6c 61 62 6c 65 20 66 | 72 6f 6d 20 74 68 69 72 |ilable f|rom thir|
|000032c0| 64 2d 70 61 72 74 79 20 | 64 65 76 65 6c 6f 70 65 |d-party |develope|
|000032d0| 72 73 2e 00 00 04 01 00 | 00 a1 00 64 00 10 4f 4e |rs......|...d..ON|
|000032e0| 4c 4e 00 64 05 02 01 db | 00 5a 01 e7 00 a2 00 2a |LN.d....|.Z.....*|
|000032f0| 18 0c 44 61 74 61 20 53 | 65 72 76 65 72 73 00 04 |..Data S|ervers..|
|00003300| 00 00 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 05 0e |.....d..|ONLN.d..|
|00003310| 01 db 00 a2 01 e7 01 71 | 00 29 48 2d 2c 20 77 68 |.......q|.)H-, wh|
|00003320| 69 63 68 20 61 6e 73 77 | 65 72 20 74 6f 20 72 65 |ich answ|er to re|
|00003330| 71 75 65 73 74 73 20 61 | 74 20 61 20 68 69 67 68 |quests a|t a high|
|00003340| 65 72 20 6c 65 76 65 6c | 20 00 00 06 00 01 00 00 |er level| .......|
|00003350| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 05 3b 01 db |...d..ON|LN.d.;..|
|00003360| 01 71 01 e7 02 1c 00 29 | cf 23 74 68 61 6e 20 66 |.q.....)|.#than f|
|00003370| 69 6c 65 20 73 65 72 76 | 65 72 73 2c 20 73 75 63 |ile serv|ers, suc|
|00003380| 68 20 61 73 20 d2 47 69 | 76 65 20 6d 65 00 00 06 |h as .Gi|ve me...|
|00003390| 00 00 00 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|000033a0| 05 5f 01 e7 00 5a 01 f3 | 00 98 00 28 01 f0 00 5a |._...Z..|...(...Z|
|000033b0| 0f 74 68 65 20 66 69 72 | 73 74 20 66 6f 75 72 20 |.the fir|st four |
|000033c0| 00 06 00 01 00 00 00 a1 | 00 64 00 10 4f 4e 4c 4e |........|.d..ONLN|
|000033d0| 00 64 05 6e 01 e7 00 98 | 01 f3 02 1c 00 29 3e 4f |.d.n....|.....)>O|
|000033e0| 72 65 63 6f 72 64 73 20 | 66 72 6f 6d 20 74 68 65 |records |from the|
|000033f0| 20 64 61 74 61 62 61 73 | 65 20 77 68 69 63 68 20 | databas|e which |
|00003400| 6d 61 74 63 68 20 74 68 | 65 20 66 6f 6c 6c 6f 77 |match th|e follow|
|00003410| 69 6e 67 20 73 65 61 72 | 63 68 20 73 70 65 63 69 |ing sear|ch speci|
|00003420| 66 69 63 61 74 69 6f 6e | 2e d3 20 54 68 69 73 00 |fication|.. This.|
|00003430| 00 06 00 00 00 00 00 a1 | 00 64 00 10 4f 4e 4c 4e |........|.d..ONLN|
|00003440| 00 64 05 be 01 f3 00 5a | 01 ff 01 30 00 28 01 fc |.d.....Z|...0.(..|
|00003450| 00 5a 32 6e 6f 74 65 20 | 64 69 72 65 63 74 73 20 |.Z2note |directs |
|00003460| 69 74 73 20 61 74 74 65 | 6e 74 69 6f 6e 20 61 74 |its atte|ntion at|
|00003470| 20 74 68 69 73 20 74 79 | 70 65 20 6f 66 20 73 65 | this ty|pe of se|
|00003480| 72 76 65 72 2e 00 00 a1 | 00 64 00 10 4f 4e 4c 4e |rver....|.d..ONLN|
|00003490| 00 64 05 f1 02 0b 00 5a | 02 17 01 14 00 2a 18 2c |.d.....Z|.....*.,|
|000034a0| 41 20 64 61 74 61 20 73 | 65 72 76 65 72 20 69 73 |A data s|erver is|
|000034b0| 20 6c 69 6b 65 20 61 20 | 66 69 6c 65 20 73 65 72 | like a |file ser|
|000034c0| 76 65 72 20 69 6e 20 74 | 68 61 74 20 00 06 00 01 |ver in t|hat ....|
|000034d0| 00 00 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 06 1d |.....d..|ONLN.d..|
|000034e0| 02 0b 01 14 02 17 02 1c | 00 29 ba 3a 69 74 20 72 |........|.).:it r|
|000034f0| 65 73 70 6f 6e 64 73 20 | 74 6f 20 69 6e 74 65 6c |esponds |to intel|
|00003500| 6c 69 67 65 6e 74 20 72 | 65 71 75 65 73 74 73 2c |ligent r|equests,|
|00003510| 20 62 75 74 20 74 68 65 | 20 72 65 71 75 65 73 74 | but the| request|
|00003520| 73 20 74 68 61 74 00 06 | 00 00 00 00 00 a1 00 64 |s that..|.......d|
|00003530| 00 10 4f 4e 4c 4e 00 64 | 06 58 02 17 00 5a 02 23 |..ONLN.d|.X...Z.#|
|00003540| 01 e8 00 28 02 20 00 5a | 56 69 74 20 72 65 73 70 |...(. .Z|Vit resp|
|00003550| 6f 6e 64 73 20 74 6f 20 | 63 61 6e 20 62 65 20 6d |onds to |can be m|
|00003560| 6f 72 65 20 73 70 65 63 | 69 61 6c 69 7a 65 64 2c |ore spec|ialized,|
|00003570| 20 62 65 63 61 75 73 65 | 20 74 68 65 20 63 6f 64 | because| the cod|
|00003580| 65 20 69 6e 20 74 68 65 | 20 73 65 72 76 65 72 20 |e in the| server |
|00003590| 77 61 73 20 77 72 69 74 | 74 65 6e 20 74 6f 20 00 |was writ|ten to .|
|000035a0| 00 06 00 01 00 00 00 a1 | 00 64 00 10 4f 4e 4c 4e |........|.d..ONLN|
|000035b0| 00 64 06 ae 02 17 01 e8 | 02 23 02 1c 00 28 02 20 |.d......|.#...(. |
|000035c0| 01 e8 0b 68 61 6e 64 6c | 65 20 74 68 61 74 00 06 |...handl|e that..|
|000035d0| 00 03 00 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|000035e0| 06 ba 02 23 00 5a 02 2f | 01 fa 00 28 02 2c 00 5a |...#.Z./|...(.,.Z|
|000035f0| 53 73 70 65 63 69 66 69 | 63 20 74 79 70 65 20 6f |Sspecifi|c type o|
|00003600| 66 20 72 65 71 75 65 73 | 74 2e 20 54 68 69 73 20 |f reques|t. This |
|00003610| 68 61 73 20 73 65 76 65 | 72 61 6c 20 61 64 64 65 |has seve|ral adde|
|00003620| 64 20 62 65 6e 65 66 69 | 74 73 3a 20 75 73 65 72 |d benefi|ts: user|
|00003630| 20 73 74 61 74 69 6f 6e | 20 70 72 6f 63 65 73 73 | station| process|
|00003640| 69 6e 67 20 00 06 00 04 | 00 00 00 a1 00 64 00 10 |ing ....|.....d..|
|00003650| 4f 4e 4c 4e 00 64 07 0d | 02 23 01 fa 02 2f 02 1c |ONLN.d..|.#.../..|
|00003660| 00 28 02 2c 01 fa 06 63 | 61 6e 20 62 65 00 00 06 |.(.,...c|an be...|
|00003670| 00 01 00 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|00003680| 07 14 02 2f 00 5a 02 3b | 01 78 00 28 02 38 00 5a |.../.Z.;|.x.(.8.Z|
|00003690| 3d 72 65 64 75 63 65 64 | 2c 20 69 66 20 74 68 65 |=reduced|, if the|
|000036a0| 20 64 61 74 61 20 73 65 | 72 76 65 72 20 69 73 20 | data se|rver is |
|000036b0| 75 73 65 64 20 66 6f 72 | 20 73 6f 72 74 69 6e 67 |used for| sorting|
|000036c0| 20 6f 72 20 73 65 61 72 | 63 68 69 6e 67 20 00 06 | or sear|ching ..|
|000036d0| 00 02 00 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|000036e0| 07 51 02 2f 01 78 02 3b | 02 1c 00 28 02 38 01 78 |.Q./.x.;|...(.8.x|
|000036f0| 22 6f 70 65 72 61 74 69 | 6f 6e 73 3b 20 61 6e 64 |"operati|ons; and|
|00003700| 20 6e 65 74 77 6f 72 6b | 20 74 72 61 66 66 69 63 | network| traffic|
|00003710| 20 69 73 00 00 06 00 00 | 00 00 00 a1 00 64 00 10 | is.....|.....d..|
|00003720| 4f 4e 4c 4e 00 64 07 74 | 02 3b 00 5a 02 47 02 0c |ONLN.d.t|.;.Z.G..|
|00003730| 00 28 02 44 00 5a 5d 72 | 65 64 75 63 65 64 2c 20 |.(.D.Z]r|educed, |
|00003740| 62 65 63 61 75 73 65 20 | 6f 66 20 74 68 65 20 73 |because |of the s|
|00003750| 70 65 63 69 66 69 63 69 | 74 79 20 6f 66 20 74 68 |pecifici|ty of th|
|00003760| 65 20 72 65 71 75 65 73 | 74 73 20 70 61 73 73 65 |e reques|ts passe|
|00003770| 64 20 6f 76 65 72 20 74 | 68 65 20 6e 65 74 77 6f |d over t|he netwo|
|00003780| 72 6b 2e 20 54 68 65 20 | 64 61 74 61 20 73 65 72 |rk. The |data ser|
|00003790| 76 65 72 20 00 06 00 01 | 00 00 00 a1 00 64 00 10 |ver ....|.....d..|
|000037a0| 4f 4e 4c 4e 00 64 07 d1 | 02 3b 02 0c 02 47 02 1c |ONLN.d..|.;...G..|
|000037b0| 00 28 02 44 02 0c 03 63 | 61 6e 00 06 00 00 00 00 |.(.D...c|an......|
|000037c0| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 07 d5 02 47 |...d..ON|LN.d...G|
|000037d0| 00 5a 02 53 01 bf 00 28 | 02 50 00 5a 4c 65 76 65 |.Z.S...(|.P.ZLeve|
|000037e0| 6e 20 62 65 20 64 65 73 | 69 67 6e 65 64 20 74 6f |n be des|igned to|
|000037f0| 20 64 6f 20 70 72 69 6e | 74 69 6e 67 20 28 6f 76 | do prin|ting (ov|
|00003800| 65 72 20 74 68 65 20 6e | 65 74 77 6f 72 6b 20 74 |er the n|etwork t|
|00003810| 6f 20 61 20 4c 61 73 65 | 72 57 72 69 74 65 72 2c |o a Lase|rWriter,|
|00003820| 20 6f 72 20 6f 6e 20 61 | 20 00 00 06 00 01 00 00 | or on a| .......|
|00003830| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 08 21 02 47 |...d..ON|LN.d.!.G|
|00003840| 01 bf 02 53 02 1c 00 28 | 02 50 01 bf 13 6c 6f 63 |...S...(|.P...loc|
|00003850| 61 6c 20 49 6d 61 67 65 | 57 72 69 74 65 72 29 2c |al Image|Writer),|
|00003860| 00 06 00 00 00 00 00 a1 | 00 64 00 10 4f 4e 4c 4e |........|.d..ONLN|
|00003870| 00 64 08 35 02 53 00 5a | 02 5f 02 02 00 28 02 5c |.d.5.S.Z|._...(.\|
|00003880| 00 5a 5e 67 69 76 65 6e | 20 74 68 61 74 20 69 74 |.Z^given| that it|
|00003890| 20 68 61 73 20 74 68 65 | 20 64 61 74 61 20 61 6e | has the| data an|
|000038a0| 64 20 63 61 6e 20 62 65 | 20 64 69 72 65 63 74 65 |d can be| directe|
|000038b0| 64 20 61 73 20 74 6f 20 | 74 68 65 20 66 6f 72 6d |d as to |the form|
|000038c0| 61 74 20 69 6e 20 77 68 | 69 63 68 20 69 74 20 73 |at in wh|ich it s|
|000038d0| 68 6f 75 6c 64 20 62 65 | 20 70 72 69 6e 74 65 64 |hould be| printed|
|000038e0| 2e 00 00 04 01 00 00 0d | 00 0e 00 a1 00 64 00 10 |........|.....d..|
|000038f0| 4f 4e 4c 4e 00 64 08 94 | 02 77 00 5a 02 86 01 76 |ONLN.d..|.w.Z...v|
|00003900| 00 2a 27 27 41 54 50 3a | 20 54 68 65 20 41 70 70 |.*''ATP:| The App|
|00003910| 6c 65 54 61 6c 6b 20 54 | 72 61 6e 73 61 63 74 69 |leTalk T|ransacti|
|00003920| 6f 6e 20 50 72 6f 74 6f | 63 6f 6c 00 00 04 00 00 |on Proto|col.....|
|00003930| 00 0d 00 0c 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|00003940| 08 bc 02 92 00 5a 02 9e | 01 97 00 2a 18 41 41 54 |.....Z..|...*.AAT|
|00003950| 50 2c 20 74 68 65 20 61 | 73 73 75 72 65 64 2d 64 |P, the a|ssured-d|
|00003960| 65 6c 69 76 65 72 79 20 | 41 70 70 6c 65 54 61 6c |elivery |AppleTal|
|00003970| 6b 20 54 72 61 6e 73 61 | 63 74 69 6f 6e 20 50 72 |k Transa|ction Pr|
|00003980| 6f 74 6f 63 6f 6c 2c 20 | 63 61 6e 20 62 65 20 00 |otocol, |can be .|
|00003990| 00 06 00 01 00 00 00 a1 | 00 64 00 10 4f 4e 4c 4e |........|.d..ONLN|
|000039a0| 00 64 08 fd 02 92 01 97 | 02 9e 02 1c 00 28 02 9b |.d......|.....(..|
|000039b0| 01 97 1c 75 73 65 64 20 | 74 6f 20 73 75 70 70 6f |...used |to suppo|
|000039c0| 72 74 20 61 6c 6c 20 74 | 79 70 65 73 20 6f 66 00 |rt all t|ypes of.|
|000039d0| 00 06 00 00 00 00 00 a1 | 00 64 00 10 4f 4e 4c 4e |........|.d..ONLN|
|000039e0| 00 64 09 1a 02 9e 00 5a | 02 aa 01 e0 00 28 02 a7 |.d.....Z|.....(..|
|000039f0| 00 5a 4f 73 65 72 76 65 | 72 20 63 6f 6d 6d 75 6e |.ZOserve|r commun|
|00003a00| 69 63 61 74 69 6f 6e 73 | 20 28 74 68 65 20 4c 61 |ications| (the La|
|00003a10| 73 65 72 57 72 69 74 65 | 72 20 75 73 65 73 20 41 |serWrite|r uses A|
|00003a20| 54 50 20 66 6f 72 20 69 | 74 73 20 63 6f 6d 6d 75 |TP for i|ts commu|
|00003a30| 6e 69 63 61 74 69 6f 6e | 73 21 29 2e 20 48 65 72 |nication|s!). Her|
|00003a40| 65 20 00 06 00 01 00 00 | 00 a1 00 64 00 10 4f 4e |e ......|...d..ON|
|00003a50| 4c 4e 00 64 09 69 02 9e | 01 e0 02 aa 02 1c 00 28 |LN.d.i..|.......(|
|00003a60| 02 a7 01 e0 0d 69 73 20 | 61 20 70 6f 73 73 69 62 |.....is |a possib|
|00003a70| 6c 65 00 20 02 c0 00 58 | 02 c0 02 1d 00 0d 00 0a |le. ...X|........|
|00003a80| 00 06 00 00 00 00 00 28 | 02 d5 00 5a 21 4e 57 20 |.......(|...Z!NW |
|00003a90| 32 31 20 2d 20 44 61 74 | 61 20 53 65 72 76 65 72 |21 - Dat|a Server|
|00003aa0| 73 20 6f 6e 20 41 70 70 | 6c 65 54 61 6c 6b 00 28 |s on App|leTalk.(|
|00003ab0| 02 d5 02 04 01 31 00 29 | 05 05 20 6f 66 20 34 00 |.....1.)|.. of 4.|
|00003ac0| 00 28 02 eb 00 5a 0a 4e | 65 74 77 6f 72 6b 69 6e |.(...Z.N|etworkin|
|00003ad0| 67 00 00 ff 00 a1 00 c0 | 01 f4 25 25 44 53 49 44 |g.......|..%%DSID|
|00003ae0| 49 43 54 3a 5f 63 76 0d | 63 75 72 72 65 6e 74 64 |ICT:_cv.|currentd|
|00003af0| 69 63 74 20 2f 62 75 20 | 6b 6e 6f 77 6e 20 7b 62 |ict /bu |known {b|
|00003b00| 75 7d 69 66 0d 75 73 65 | 72 64 69 63 74 20 2f 5f |u}if.use|rdict /_|
|00003b10| 63 76 20 6b 6e 6f 77 6e | 20 6e 6f 74 7b 75 73 65 |cv known| not{use|
|00003b20| 72 64 69 63 74 20 2f 5f | 63 76 20 33 30 20 64 69 |rdict /_|cv 30 di|
|00003b30| 63 74 20 70 75 74 7d 69 | 66 0d 5f 63 76 20 62 65 |ct put}i|f._cv be|
|00003b40| 67 69 6e 0d 2f 62 64 66 | 7b 62 69 6e 64 20 64 65 |gin./bdf|{bind de|
|00003b50| 66 7d 62 69 6e 64 20 64 | 65 66 0d 63 75 72 72 65 |f}bind d|ef.curre|
|00003b60| 6e 74 73 63 72 65 65 6e | 2f 63 73 20 65 78 63 68 |ntscreen|/cs exch|
|00003b70| 20 64 65 66 2f 63 61 20 | 65 78 63 68 20 64 65 66 | def/ca |exch def|
|00003b80| 2f 63 66 20 65 78 63 68 | 20 64 65 66 0d 2f 73 65 |/cf exch| def./se|
|00003b90| 74 63 6d 79 6b 63 6f 6c | 6f 72 20 77 68 65 72 65 |tcmykcol|or where|
|00003ba0| 7b 2f 73 65 74 63 6d 79 | 6b 63 6f 6c 6f 72 20 67 |{/setcmy|kcolor g|
|00003bb0| 65 74 20 2f 63 76 63 6d | 79 6b 20 65 78 63 68 20 |et /cvcm|yk exch |
|00003bc0| 64 65 66 7d 7b 2f 63 76 | 63 6d 79 6b 7b 31 20 73 |def}{/cv|cmyk{1 s|
|00003bd0| 75 62 20 34 20 31 20 72 | 6f 6c 6c 20 33 7b 33 20 |ub 4 1 r|oll 3{3 |
|00003be0| 69 6e 64 65 78 20 61 64 | 64 20 6e 65 67 20 64 75 |index ad|d neg du|
|00003bf0| 70 20 30 20 6c 74 7b 70 | 6f 70 20 30 7d 69 66 20 |p 0 lt{p|op 0}if |
|00003c00| 33 20 31 20 72 6f 6c 6c | 7d 72 65 70 65 61 74 20 |3 1 roll|}repeat |
|00003c10| 73 65 74 72 67 62 63 6f | 6c 6f 72 20 70 6f 70 7d |setrgbco|lor pop}|
|00003c20| 62 64 66 20 7d 69 66 65 | 6c 73 65 0d 2f 73 73 7b |bdf }ife|lse./ss{|
|00003c30| 2f 2f 63 66 20 2f 2f 63 | 61 20 2f 2f 63 73 20 73 |//cf //c|a //cs s|
|00003c40| 65 74 73 63 72 65 65 6e | 7d 62 64 66 0d 2f 73 74 |etscreen|}bdf./st|
|00003c50| 67 7b 73 73 20 73 65 74 | 67 72 61 79 7d 62 64 66 |g{ss set|gray}bdf|
|00003c60| 0d 2f 73 74 72 67 62 7b | 73 73 20 73 65 74 72 67 |./strgb{|ss setrg|
|00003c70| 62 63 6f 6c 6f 72 7d 62 | 64 66 0d 2f 73 74 63 6d |bcolor}b|df./stcm|
|00003c80| 79 6b 7b 73 73 20 63 76 | 63 6d 79 6b 7d 62 64 66 |yk{ss cv|cmyk}bdf|
|00003c90| 0d 2f 6d 69 6e 31 7b 64 | 75 70 20 30 20 65 71 7b |./min1{d|up 0 eq{|
|00003ca0| 70 6f 70 20 31 7d 69 66 | 7d 62 64 66 0d 65 6e 64 |pop 1}if|}bdf.end|
|00003cb0| 0d 63 75 72 72 65 6e 74 | 64 69 63 74 20 2f 62 6e |.current|dict /bn|
|00003cc0| 20 6b 6e 6f 77 6e 20 7b | 62 6e 7d 69 66 0d 00 a0 | known {|bn}if...|
|00003cd0| 00 bf 15 b0 00 00 00 00 | 03 48 02 52 00 11 02 ff |........|.H.R....|
|00003ce0| 0c 00 ff ff ff ff 00 00 | 00 00 00 00 00 00 02 52 |........|.......R|
|00003cf0| 00 00 03 48 00 00 00 00 | 00 00 00 1e 00 01 00 0a |...H....|........|
|00003d00| 00 00 00 00 03 48 02 52 | 00 2c 00 08 00 14 05 54 |.....H.R|.,.....T|
|00003d10| 69 6d 65 73 00 03 00 14 | 00 0d 00 0a 00 2e 00 04 |imes....|........|
|00003d20| 00 00 00 00 00 2b 36 2d | 19 4d 61 63 69 6e 74 6f |.....+6-|.Macinto|
|00003d30| 73 68 20 54 65 63 68 6e | 69 63 61 6c 20 4e 6f 74 |sh Techn|ical Not|
|00003d40| 65 73 00 20 00 2f 00 34 | 00 2f 01 f9 00 0d 00 0c |es. ./.4|./......|
|00003d50| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 00 00 00 3c |...d..ON|LN.d...<|
|00003d60| 00 36 00 48 01 50 00 2a | 18 3b 73 63 65 6e 61 72 |.6.H.P.*|.;scenar|
|00003d70| 69 6f 20 62 65 74 77 65 | 65 6e 20 74 77 6f 20 75 |io betwe|en two u|
|00003d80| 73 65 72 20 73 74 61 74 | 69 6f 6e 73 20 28 d2 44 |ser stat|ions (.D|
|00003d90| 61 76 65 d3 20 61 6e 64 | 20 d2 42 69 6c 6c d3 29 |ave. and| .Bill.)|
|00003da0| 20 61 6e 64 20 00 00 06 | 00 01 00 00 00 a1 00 64 | and ...|.......d|
|00003db0| 00 10 4f 4e 4c 4e 00 64 | 00 3b 00 3c 01 50 00 48 |..ONLN.d|.;.<.P.H|
|00003dc0| 01 f8 00 28 00 45 01 50 | 23 61 20 64 61 74 61 20 |...(.E.P|#a data |
|00003dd0| 73 65 72 76 65 72 20 73 | 74 61 74 69 6f 6e 20 28 |server s|tation (|
|00003de0| d2 4f 6e 65 53 65 72 76 | 65 72 d3 2c 00 06 00 00 |.OneServ|er.,....|
|00003df0| 00 00 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 00 5f |.....d..|ONLN.d._|
|00003e00| 00 48 00 36 00 54 00 6b | 00 28 00 51 00 36 0c 61 |.H.6.T.k|.(.Q.6.a|
|00003e10| 20 73 65 72 76 65 72 20 | 6f 66 20 00 00 06 00 01 | server |of .....|
|00003e20| 00 00 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 00 6b |.....d..|ONLN.d.k|
|00003e30| 00 48 00 6b 00 54 01 f8 | 00 29 35 4f 74 79 70 65 |.H.k.T..|.)5Otype|
|00003e40| 20 d2 4d 79 53 65 72 76 | 65 72 d3 29 2e 20 57 65 | .MyServ|er.). We|
|00003e50| d5 76 65 20 66 6f 75 6e | 64 20 74 68 61 74 20 74 |.ve foun|d that t|
|00003e60| 68 65 20 d2 63 6f 6e 76 | 65 72 73 61 74 69 6f 6e |he .conv|ersation|
|00003e70| 61 6c d3 20 61 6e 61 6c | 6f 67 79 20 69 73 20 68 |al. anal|ogy is h|
|00003e80| 65 6c 70 66 75 6c 20 77 | 68 65 6e 00 00 06 00 02 |elpful w|hen.....|
|00003e90| 00 00 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 00 bb |.....d..|ONLN.d..|
|00003ea0| 00 54 00 36 00 60 01 b8 | 00 28 00 5d 00 36 4c 70 |.T.6.`..|.(.].6Lp|
|00003eb0| 6c 61 6e 6e 69 6e 67 20 | 41 70 70 6c 65 54 61 6c |lanning |AppleTal|
|00003ec0| 6b 20 63 6f 6d 6d 75 6e | 69 63 61 74 69 6f 6e 73 |k commun|ications|
|00003ed0| 3b 20 74 68 69 73 20 65 | 78 61 6d 70 6c 65 20 69 |; this e|xample i|
|00003ee0| 73 20 74 68 65 72 65 66 | 6f 72 65 20 70 72 65 73 |s theref|ore pres|
|00003ef0| 65 6e 74 65 64 20 61 73 | 20 61 20 00 00 06 00 03 |ented as| a .....|
|00003f00| 00 00 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 01 07 |.....d..|ONLN.d..|
|00003f10| 00 54 01 b8 00 60 01 f8 | 00 28 00 5d 01 b8 0d 63 |.T...`..|.(.]...c|
|00003f20| 6f 6e 76 65 72 73 61 74 | 69 6f 6e 2c 00 06 00 02 |onversat|ion,....|
|00003f30| 00 00 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 01 15 |.....d..|ONLN.d..|
|00003f40| 00 60 00 36 00 6c 01 8a | 00 28 00 69 00 36 43 61 |.`.6.l..|.(.i.6Ca|
|00003f50| 6c 6f 6e 67 20 77 69 74 | 68 20 61 70 70 72 6f 70 |long wit|h approp|
|00003f60| 72 69 61 74 65 20 41 70 | 70 6c 65 54 61 6c 6b 20 |riate Ap|pleTalk |
|00003f70| 4d 61 6e 61 67 65 72 20 | 63 61 6c 6c 73 20 28 4e |Manager |calls (N|
|00003f80| 6f 74 65 20 74 68 61 74 | 20 6e 6f 20 65 72 72 6f |ote that| no erro|
|00003f90| 72 20 00 06 00 03 00 00 | 00 a1 00 64 00 10 4f 4e |r ......|...d..ON|
|00003fa0| 4c 4e 00 64 01 58 00 60 | 01 8a 00 6c 01 f8 00 28 |LN.d.X.`|...l...(|
|00003fb0| 00 69 01 8a 16 68 61 6e | 64 6c 69 6e 67 20 69 73 |.i...han|dling is|
|00003fc0| 20 70 72 65 73 65 6e 74 | 65 64 2c 00 00 06 00 00 | present|ed,.....|
|00003fd0| 00 00 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 01 6f |.....d..|ONLN.d.o|
|00003fe0| 00 6c 00 36 00 78 00 b4 | 00 28 00 75 00 36 1a 68 |.l.6.x..|.(.u.6.h|
|00003ff0| 6f 77 65 76 65 72 3b 20 | 79 6f 75 72 20 61 70 70 |owever; |your app|
|00004000| 6c 69 63 61 74 69 6f 6e | 20 00 00 06 00 01 00 00 |lication| .......|
|00004010| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 01 89 00 6c |...d..ON|LN.d...l|
|00004020| 00 b4 00 78 01 f8 00 29 | 7e 44 73 68 6f 75 6c 64 |...x...)|~Dshould|
|00004030| 20 63 6f 6e 74 61 69 6e | 20 63 6f 64 65 20 66 6f | contain| code fo|
|00004040| 72 20 68 61 6e 64 6c 69 | 6e 67 20 65 72 72 6f 72 |r handli|ng error|
|00004050| 73 2c 20 73 70 65 63 69 | 66 69 63 61 6c 6c 79 20 |s, speci|fically |
|00004060| 74 68 65 20 d2 68 61 6c | 66 2d 6f 70 65 6e 00 06 |the .hal|f-open..|
|00004070| 00 00 00 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|00004080| 01 ce 00 78 00 36 00 84 | 00 f0 00 28 00 81 00 36 |...x.6..|...(...6|
|00004090| 25 63 6f 6e 6e 65 63 74 | 69 6f 6e d3 20 70 72 6f |%connect|ion. pro|
|000040a0| 62 6c 65 6d 20 64 65 73 | 63 72 69 62 65 64 20 62 |blem des|cribed b|
|000040b0| 65 6c 6f 77 29 2e 00 04 | 01 00 00 0d 00 0e 00 a1 |elow)...|........|
|000040c0| 00 64 00 10 4f 4e 4c 4e | 00 64 01 f4 00 9c 00 36 |.d..ONLN|.d.....6|
|000040d0| 00 ab 00 ef 00 2a 27 1b | 45 73 74 61 62 6c 69 73 |.....*'.|Establis|
|000040e0| 68 69 6e 67 20 74 68 65 | 20 43 6f 6e 6e 65 63 74 |hing the| Connect|
|000040f0| 69 6f 6e 00 00 04 00 00 | 00 0d 00 0c 00 a1 00 64 |ion.....|.......d|
|00004100| 00 10 4f 4e 4c 4e 00 64 | 02 10 00 b8 00 36 00 c4 |..ONLN.d|.....6..|
|00004110| 00 8a 00 2a 19 12 45 61 | 63 68 20 73 74 61 74 69 |...*..Ea|ch stati|
|00004120| 6f 6e 20 75 73 65 73 20 | 00 2c 00 0a 00 16 07 43 |on uses |.,.....C|
|00004130| 6f 75 72 69 65 72 00 03 | 00 16 00 a1 00 64 00 10 |ourier..|.....d..|
|00004140| 4f 4e 4c 4e 00 64 02 22 | 00 b7 00 8a 00 c3 00 bb |ONLN.d."|........|
|00004150| 00 29 54 07 41 54 50 4c | 6f 61 64 00 00 03 00 14 |.)T.ATPL|oad.....|
|00004160| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 02 29 00 b8 |...d..ON|LN.d.)..|
|00004170| 00 bb 00 c4 01 45 00 29 | 31 1d 20 74 6f 20 6d 61 |.....E.)|1. to ma|
|00004180| 6b 65 20 73 75 72 65 20 | 74 68 61 74 20 41 70 70 |ke sure |that App|
|00004190| 6c 65 54 61 6c 6b 20 00 | 00 06 00 01 00 00 00 a1 |leTalk .|........|
|000041a0| 00 64 00 10 4f 4e 4c 4e | 00 64 02 46 00 b8 01 45 |.d..ONLN|.d.F...E|
|000041b0| 00 c4 01 f8 00 29 8a 27 | 69 73 20 6c 6f 61 64 65 |.....).'|is loade|
|000041c0| 64 2e 20 54 68 65 20 73 | 65 72 76 65 72 20 73 74 |d. The s|erver st|
|000041d0| 61 74 69 6f 6e 2c 20 73 | 69 6e 63 65 20 69 74 00 |ation, s|ince it.|
|000041e0| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 02 6e 00 c5 |...d..ON|LN.d.n..|
|000041f0| 00 36 00 d1 00 d3 00 28 | 00 ce 00 36 20 77 61 6e |.6.....(|...6 wan|
|00004200| 74 73 20 74 6f 20 61 63 | 63 65 70 74 20 72 65 71 |ts to ac|cept req|
|00004210| 75 65 73 74 73 2c 20 6f | 70 65 6e 73 20 00 00 06 |uests, o|pens ...|
|00004220| 00 02 00 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|00004230| 02 8e 00 c5 00 d3 00 d1 | 01 90 00 29 9d 26 61 20 |........|...).&a |
|00004240| 73 6f 63 6b 65 74 20 61 | 6e 64 20 72 65 67 69 73 |socket a|nd regis|
|00004250| 74 65 72 73 20 69 74 73 | 20 6e 61 6d 65 20 75 73 |ters its| name us|
|00004260| 69 6e 67 20 00 03 00 16 | 00 a1 00 64 00 10 4f 4e |ing ....|...d..ON|
|00004270| 4c 4e 00 64 02 b4 00 c4 | 01 90 00 d0 01 dd 00 29 |LN.d....|.......)|
|00004280| bd 0b 4e 42 50 52 65 67 | 69 73 74 65 72 00 00 03 |..NBPReg|ister...|
|00004290| 00 14 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 02 bf |.....d..|ONLN.d..|
|000042a0| 00 c5 01 dd 00 d1 01 f8 | 00 29 4d 05 2e 20 54 68 |........|.)M.. Th|
|000042b0| 65 00 00 06 00 01 00 00 | 00 a1 00 64 00 10 4f 4e |e.......|...d..ON|
|000042c0| 4c 4e 00 64 02 c5 00 d2 | 00 36 00 de 00 8a 00 28 |LN.d....|.6.....(|
|000042d0| 00 db 00 36 12 75 73 65 | 72 20 73 74 61 74 69 6f |...6.use|r statio|
|000042e0| 6e 73 20 75 73 65 20 00 | 00 03 00 16 00 a1 00 64 |ns use .|.......d|
|000042f0| 00 10 4f 4e 4c 4e 00 64 | 02 d7 00 d1 00 8a 00 dd |..ONLN.d|........|
|00004300| 00 c9 00 29 54 09 4e 42 | 50 4c 6f 6f 6b 55 70 00 |...)T.NB|PLookUp.|
|00004310| 00 03 00 14 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|00004320| 02 e0 00 d2 00 c9 00 de | 01 e3 00 29 3f 3b 20 74 |........|...)?; t|
|00004330| 6f 20 66 69 6e 64 20 6f | 75 74 20 74 68 65 20 73 |o find o|ut the s|
|00004340| 65 72 76 65 72 d5 73 20 | 6e 65 74 77 6f 72 6b 20 |erver.s |network |
|00004350| 61 64 64 72 65 73 73 2e | 20 54 68 69 73 20 6c 6f |address.| This lo|
|00004360| 6f 6b 73 20 6c 69 6b 65 | 20 00 00 06 00 02 00 00 |oks like| .......|
|00004370| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 03 1b 00 d2 |...d..ON|LN.d....|
|00004380| 01 e3 00 de 01 f8 00 28 | 00 db 01 e3 05 74 68 69 |.......(|.....thi|
|00004390| 73 2c 00 06 00 00 00 00 | 00 a1 00 64 00 10 4f 4e |s,......|...d..ON|
|000043a0| 4c 4e 00 64 03 21 00 de | 00 36 00 ea 00 86 00 28 |LN.d.!..|.6.....(|
|000043b0| 00 e7 00 36 11 63 6f 6e | 76 65 72 73 61 74 69 6f |...6.con|versatio|
|000043c0| 6e 61 6c 6c 79 3a 00 0d | 00 0a 00 a1 00 64 00 10 |nally:..|.....d..|
|000043d0| 4f 4e 4c 4e 00 64 03 33 | 00 f6 00 36 01 02 00 55 |ONLN.d.3|...6...U|
|000043e0| 00 2a 18 08 53 65 72 76 | 65 72 3a 20 00 a1 00 64 |.*..Serv|er: ...d|
|000043f0| 00 10 4f 4e 4c 4e 00 64 | 03 3c 00 f6 00 5a 01 02 |..ONLN.d|.<...Z..|
|00004400| 00 a9 00 29 24 14 d2 49 | d5 6d 20 72 65 61 64 79 |...)$..I|.m ready|
|00004410| 20 74 6f 20 61 63 63 65 | 70 74 00 03 00 16 00 a1 | to acce|pt......|
|00004420| 00 64 00 10 4f 4e 4c 4e | 00 64 03 52 00 f6 00 ea |.d..ONLN|.d.R....|
|00004430| 01 02 01 14 00 29 90 07 | 41 54 50 4c 6f 61 64 00 |.....)..|ATPLoad.|
|00004440| 00 03 00 14 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|00004450| 03 5b 00 f6 01 56 01 02 | 01 9c 00 29 6c 0f 4f 70 |.[...V..|...)l.Op|
|00004460| 65 6e 73 20 41 70 70 6c | 65 54 61 6c 6b 00 00 a1 |ens Appl|eTalk...|
|00004470| 00 64 00 10 4f 4e 4c 4e | 00 64 03 6c 01 01 00 5a |.d..ONLN|.d.l...Z|
|00004480| 01 0d 00 80 00 28 01 0a | 00 5a 0a 72 65 71 75 65 |.....(..|.Z.reque|
|00004490| 73 74 73 21 d3 00 00 03 | 00 16 00 a1 00 64 00 10 |sts!....|.....d..|
|000044a0| 4f 4e 4c 4e 00 64 03 79 | 01 01 00 ea 01 0d 01 26 |ONLN.d.y|.......&|
|000044b0| 00 29 90 0a 4f 70 65 6e | 53 6f 63 6b 65 74 00 03 |.)..Open|Socket..|
|000044c0| 00 14 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 03 85 |.....d..|ONLN.d..|
|000044d0| 01 01 01 56 01 0d 01 8f | 00 29 6c 0e 43 72 65 61 |...V....|.)l.Crea|
|000044e0| 74 65 73 20 73 6f 63 6b | 65 74 00 03 00 16 00 a1 |tes sock|et......|
|000044f0| 00 64 00 10 4f 4e 4c 4e | 00 64 03 99 01 0c 00 ea |.d..ONLN|.d......|
|00004500| 01 18 01 2c 00 28 01 15 | 00 ea 0b 4e 42 50 52 65 |...,.(..|...NBPRe|
|00004510| 67 69 73 74 65 72 00 03 | 00 14 00 a1 00 64 00 10 |gister..|.....d..|
|00004520| 4f 4e 4c 4e 00 64 03 a6 | 01 0c 01 56 01 18 01 b5 |ONLN.d..|...V....|
|00004530| 00 29 6c 16 41 73 73 69 | 67 6e 73 20 6e 61 6d 65 |.)l.Assi|gns name|
|00004540| 20 74 6f 20 73 6f 63 6b | 65 74 00 03 00 16 00 a1 | to sock|et......|
|00004550| 00 64 00 10 4f 4e 4c 4e | 00 64 03 c2 01 17 00 ea |.d..ONLN|.d......|
|00004560| 01 23 01 38 00 28 01 20 | 00 ea 0d 41 54 50 47 65 |.#.8.(. |...ATPGe|
|00004570| 74 52 65 71 75 65 73 74 | 00 03 00 14 00 a1 00 64 |tRequest|.......d|
|00004580| 00 10 4f 4e 4c 4e 00 64 | 03 d0 01 17 01 56 01 23 |..ONLN.d|.....V.#|
|00004590| 01 bd 00 29 6c 18 71 75 | 65 75 65 20 61 20 66 65 |...)l.qu|eue a fe|
|000045a0| 77 20 61 73 79 6e 63 68 | 72 6f 6e 6f 75 73 00 03 |w asynch|ronous..|
|000045b0| 00 16 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 03 ee |.....d..|ONLN.d..|
|000045c0| 01 22 00 ea 01 2e 01 38 | 00 28 01 2b 00 ea 0d 41 |.".....8|.(.+...A|
|000045d0| 54 50 47 65 74 52 65 71 | 75 65 73 74 00 03 00 14 |TPGetReq|uest....|
|000045e0| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 03 fc 01 22 |...d..ON|LN.d..."|
|000045f0| 01 56 01 2e 01 da 00 29 | 6c 23 63 61 6c 6c 73 2c |.V.....)|l#calls,|
|00004600| 20 74 6f 20 62 65 20 61 | 62 6c 65 20 74 6f 20 68 | to be a|ble to h|
|00004610| 61 6e 64 6c 65 20 73 65 | 76 65 72 61 6c 00 00 03 |andle se|veral...|
|00004620| 00 16 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 04 25 |.....d..|ONLN.d.%|
|00004630| 01 2d 00 ea 01 39 01 38 | 00 28 01 36 00 ea 0d 41 |.-...9.8|.(.6...A|
|00004640| 54 50 47 65 74 52 65 71 | 75 65 73 74 00 03 00 14 |TPGetReq|uest....|
|00004650| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 04 33 01 2d |...d..ON|LN.d.3.-|
|00004660| 01 56 01 39 01 6a 00 29 | 6c 05 75 73 65 72 73 00 |.V.9.j.)|l.users.|
|00004670| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 04 39 01 43 |...d..ON|LN.d.9.C|
|00004680| 00 36 01 4f 00 4d 00 28 | 01 4c 00 36 05 44 61 76 |.6.O.M.(|.L.6.Dav|
|00004690| 65 3a 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 04 3f |e:...d..|ONLN.d.?|
|000046a0| 01 43 00 5a 01 4f 00 a3 | 00 29 24 10 d2 41 6e 79 |.C.Z.O..|.)$..Any|
|000046b0| 20 d4 4d 79 53 65 72 76 | 65 72 73 d5 00 03 00 16 | .MyServ|ers.....|
|000046c0| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 04 51 01 43 |...d..ON|LN.d.Q.C|
|000046d0| 00 ea 01 4f 01 14 00 29 | 90 07 41 54 50 4c 6f 61 |...O...)|..ATPLoa|
|000046e0| 64 00 00 03 00 14 00 a1 | 00 64 00 10 4f 4e 4c 4e |d.......|.d..ONLN|
|000046f0| 00 64 04 5a 01 43 01 56 | 01 4f 01 9c 00 29 6c 0f |.d.Z.C.V|.O...)l.|
|00004700| 4f 70 65 6e 73 20 41 70 | 70 6c 65 54 61 6c 6b 00 |Opens Ap|pleTalk.|
|00004710| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 04 6b 01 4e |...d..ON|LN.d.k.N|
|00004720| 00 5a 01 5a 00 85 00 28 | 01 57 00 5a 0b 6f 75 74 |.Z.Z...(|.W.Z.out|
|00004730| 20 74 68 65 72 65 3f d3 | 00 03 00 16 00 a1 00 64 | there?.|.......d|
|00004740| 00 10 4f 4e 4c 4e 00 64 | 04 79 01 4e 00 ea 01 5a |..ONLN.d|.y.N...Z|
|00004750| 01 20 00 29 90 09 4e 42 | 50 4c 6f 6f 6b 75 70 00 |. .)..NB|PLookup.|
|00004760| 00 03 00 14 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|00004770| 04 84 01 4e 01 56 01 5a | 01 d9 00 29 6c 21 6c 6f |...N.V.Z|...)l!lo|
|00004780| 6f 6b 20 66 6f 72 20 73 | 65 72 76 65 72 73 2c 20 |ok for s|ervers, |
|00004790| 66 69 6e 64 73 20 4f 6e | 65 53 65 72 76 65 72 00 |finds On|eServer.|
|000047a0| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 04 a6 01 64 |...d..ON|LN.d...d|
|000047b0| 00 36 01 70 00 50 00 28 | 01 6d 00 36 06 44 61 76 |.6.p.P.(|.m.6.Dav|
|000047c0| 65 3a 20 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |e: ....d|..ONLN.d|
|000047d0| 04 ad 01 64 00 5a 01 70 | 00 b6 00 29 24 14 d2 48 |...d.Z.p|...)$..H|
|000047e0| 65 79 2c 20 4d 79 53 65 | 72 76 65 72 21 20 57 68 |ey, MySe|rver! Wh|
|000047f0| 61 74 00 03 00 16 00 a1 | 00 64 00 10 4f 4e 4c 4e |at......|.d..ONLN|
|00004800| 00 64 04 c3 01 64 00 ea | 01 70 01 26 00 29 90 0a |.d...d..|.p.&.)..|
|00004810| 41 54 50 52 65 71 75 65 | 73 74 00 03 00 14 00 a1 |ATPReque|st......|
|00004820| 00 64 00 10 4f 4e 4c 4e | 00 64 04 cf 01 64 01 56 |.d..ONLN|.d...d.V|
|00004830| 01 70 01 d1 00 29 6c 1e | 41 73 6b 20 74 68 65 20 |.p...)l.|Ask the |
|00004840| 73 65 72 76 65 72 20 77 | 68 69 63 68 20 73 6f 63 |server w|hich soc|
|00004850| 6b 65 74 20 74 6f 00 a1 | 00 64 00 10 4f 4e 4c 4e |ket to..|.d..ONLN|
|00004860| 00 64 04 ef 01 6f 00 5a | 01 7b 00 c5 00 28 01 78 |.d...o.Z|.{...(.x|
|00004870| 00 5a 1b 73 6f 63 6b 65 | 74 20 73 68 6f 75 6c 64 |.Z.socke|t should|
|00004880| 20 49 20 74 61 6c 6b 20 | 74 6f 20 79 6f 75 00 a1 | I talk |to you..|
|00004890| 00 64 00 10 4f 4e 4c 4e | 00 64 05 0e 01 6f 01 56 |.d..ONLN|.d...o.V|
|000048a0| 01 7b 01 d3 00 29 fc 1e | 75 73 65 20 66 6f 72 20 |.{...)..|use for |
|000048b0| 66 75 72 74 68 65 72 20 | 63 6f 6d 6d 75 6e 69 63 |further |communic|
|000048c0| 61 74 69 6f 6e 73 00 a1 | 00 64 00 10 4f 4e 4c 4e |ations..|.d..ONLN|
|000048d0| 00 64 05 2e 01 7a 00 5a | 01 86 00 6c 00 28 01 83 |.d...z.Z|...l.(..|
|000048e0| 00 5a 04 6f 6e 3f d3 00 | 00 a1 00 64 00 10 4f 4e |.Z.on?..|...d..ON|
|000048f0| 4c 4e 00 64 05 33 01 90 | 00 36 01 9c 00 48 00 28 |LN.d.3..|.6...H.(|
|00004900| 01 99 00 36 05 42 69 6c | 6c 3a 00 a1 00 64 00 10 |...6.Bil|l:...d..|
|00004910| 4f 4e 4c 4e 00 64 05 39 | 01 90 00 5a 01 9c 00 a3 |ONLN.d.9|...Z....|
|00004920| 00 29 24 10 d2 41 6e 79 | 20 d4 4d 79 53 65 72 76 |.)$..Any| .MyServ|
|00004930| 65 72 73 d5 00 03 00 16 | 00 a1 00 64 00 10 4f 4e |ers.....|...d..ON|
|00004940| 4c 4e 00 64 05 4b 01 90 | 00 ea 01 9c 01 14 00 29 |LN.d.K..|.......)|
|00004950| 90 07 41 54 50 4c 6f 61 | 64 00 00 03 00 14 00 a1 |..ATPLoa|d.......|
|00004960| 00 64 00 10 4f 4e 4c 4e | 00 64 05 54 01 90 01 56 |.d..ONLN|.d.T...V|
|00004970| 01 9c 01 9c 00 29 6c 0f | 4f 70 65 6e 73 20 41 70 |.....)l.|Opens Ap|
|00004980| 70 6c 65 54 61 6c 6b 00 | 00 a1 00 64 00 10 4f 4e |pleTalk.|...d..ON|
|00004990| 4c 4e 00 64 05 65 01 9b | 00 5a 01 a7 00 85 00 28 |LN.d.e..|.Z.....(|
|000049a0| 01 a4 00 5a 0b 6f 75 74 | 20 74 68 65 72 65 3f d3 |...Z.out| there?.|
|000049b0| 00 03 00 16 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|000049c0| 05 73 01 9b 00 ea 01 a7 | 01 20 00 29 90 09 4e 42 |.s......|. .)..NB|
|000049d0| 50 4c 6f 6f 6b 75 70 00 | 00 03 00 14 00 a1 00 64 |PLookup.|.......d|
|000049e0| 00 10 4f 4e 4c 4e 00 64 | 05 7e 01 9b 01 56 01 a7 |..ONLN.d|.~...V..|
|000049f0| 01 d9 00 29 6c 21 6c 6f | 6f 6b 20 66 6f 72 20 73 |...)l!lo|ok for s|
|00004a00| 65 72 76 65 72 73 2c 20 | 66 69 6e 64 73 20 4f 6e |ervers, |finds On|
|00004a10| 65 53 65 72 76 65 72 00 | 00 a1 00 64 00 10 4f 4e |eServer.|...d..ON|
|00004a20| 4c 4e 00 64 05 a0 01 b1 | 00 36 01 bd 00 4b 00 28 |LN.d....|.6...K.(|
|00004a30| 01 ba 00 36 06 42 69 6c | 6c 3a 20 00 00 a1 00 64 |...6.Bil|l: ....d|
|00004a40| 00 10 4f 4e 4c 4e 00 64 | 05 a7 01 b1 00 5a 01 bd |..ONLN.d|.....Z..|
|00004a50| 00 b6 00 29 24 14 d2 48 | 65 79 2c 20 4d 79 53 65 |...)$..H|ey, MySe|
|00004a60| 72 76 65 72 21 20 57 68 | 61 74 00 03 00 16 00 a1 |rver! Wh|at......|
|00004a70| 00 64 00 10 4f 4e 4c 4e | 00 64 05 bd 01 b1 00 ea |.d..ONLN|.d......|
|00004a80| 01 bd 01 26 00 29 90 0a | 41 54 50 52 65 71 75 65 |...&.)..|ATPReque|
|00004a90| 73 74 00 03 00 14 00 a1 | 00 64 00 10 4f 4e 4c 4e |st......|.d..ONLN|
|00004aa0| 00 64 05 c9 01 b1 01 56 | 01 bd 01 d1 00 29 6c 1e |.d.....V|.....)l.|
|00004ab0| 41 73 6b 20 74 68 65 20 | 73 65 72 76 65 72 20 77 |Ask the |server w|
|00004ac0| 68 69 63 68 20 73 6f 63 | 6b 65 74 20 74 6f 00 a1 |hich soc|ket to..|
|00004ad0| 00 64 00 10 4f 4e 4c 4e | 00 64 05 e9 01 bc 00 5a |.d..ONLN|.d.....Z|
|00004ae0| 01 c8 00 c5 00 28 01 c5 | 00 5a 1b 73 6f 63 6b 65 |.....(..|.Z.socke|
|00004af0| 74 20 73 68 6f 75 6c 64 | 20 49 20 74 61 6c 6b 20 |t should| I talk |
|00004b00| 74 6f 20 79 6f 75 00 a1 | 00 64 00 10 4f 4e 4c 4e |to you..|.d..ONLN|
|00004b10| 00 64 06 08 01 bc 01 56 | 01 c8 01 d3 00 29 fc 1e |.d.....V|.....)..|
|00004b20| 75 73 65 20 66 6f 72 20 | 66 75 72 74 68 65 72 20 |use for |further |
|00004b30| 63 6f 6d 6d 75 6e 69 63 | 61 74 69 6f 6e 73 00 a1 |communic|ations..|
|00004b40| 00 64 00 10 4f 4e 4c 4e | 00 64 06 28 01 c7 00 5a |.d..ONLN|.d.(...Z|
|00004b50| 01 d3 00 6c 00 28 01 d0 | 00 5a 04 6f 6e 3f d3 00 |...l.(..|.Z.on?..|
|00004b60| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 06 2d 01 dd |...d..ON|LN.d.-..|
|00004b70| 00 36 01 e9 00 52 00 28 | 01 e6 00 36 07 53 65 72 |.6...R.(|...6.Ser|
|00004b80| 76 65 72 3a 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |ver:...d|..ONLN.d|
|00004b90| 06 35 01 dd 00 5a 01 e9 | 00 c6 00 29 24 19 d2 48 |.5...Z..|...)$..H|
|00004ba0| 69 2c 20 44 61 76 65 21 | 20 55 73 65 20 53 6f 63 |i, Dave!| Use Soc|
|00004bb0| 6b 65 74 20 4e 2e d3 00 | 00 03 00 16 00 a1 00 64 |ket N...|.......d|
|00004bc0| 00 10 4f 4e 4c 4e 00 64 | 06 4f 01 dd 00 ea 01 e9 |..ONLN.d|.O......|
|00004bd0| 01 26 00 29 90 0a 41 54 | 50 4f 70 65 6e 53 6b 74 |.&.)..AT|POpenSkt|
|00004be0| 00 03 00 14 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|00004bf0| 06 5b 01 dd 01 56 01 e9 | 01 e9 00 29 6c 24 47 65 |.[...V..|...)l$Ge|
|00004c00| 74 20 61 20 6e 65 77 20 | 73 6f 63 6b 65 74 20 66 |t a new |socket f|
|00004c10| 6f 72 20 74 61 6c 6b 69 | 6e 67 20 74 6f 20 44 61 |or talki|ng to Da|
|00004c20| 76 65 00 03 00 16 00 a1 | 00 64 00 10 4f 4e 4c 4e |ve......|.d..ONLN|
|00004c30| 00 64 06 85 01 e8 00 ea | 01 f4 01 2c 00 28 01 f1 |.d......|...,.(..|
|00004c40| 00 ea 0b 41 54 50 52 65 | 73 70 6f 6e 73 65 00 03 |...ATPRe|sponse..|
|00004c50| 00 14 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 06 92 |.....d..|ONLN.d..|
|00004c60| 01 e8 01 56 01 f4 01 cc | 00 29 6c 1b 53 65 6e 64 |...V....|.)l.Send|
|00004c70| 20 44 61 76 65 20 74 68 | 65 20 73 6f 63 6b 65 74 | Dave th|e socket|
|00004c80| 20 6e 75 6d 62 65 72 00 | 00 03 00 16 00 a1 00 64 | number.|.......d|
|00004c90| 00 10 4f 4e 4c 4e 00 64 | 06 b3 01 f3 00 ea 01 ff |..ONLN.d|........|
|00004ca0| 01 38 00 28 01 fc 00 ea | 0d 41 54 50 47 65 74 52 |.8.(....|.ATPGetR|
|00004cb0| 65 71 75 65 73 74 00 03 | 00 14 00 a1 00 64 00 10 |equest..|.....d..|
|00004cc0| 4f 4e 4c 4e 00 64 06 c1 | 01 f3 01 56 01 ff 01 c8 |ONLN.d..|...V....|
|00004cd0| 00 29 6c 1b 52 65 70 6c | 61 63 65 20 74 68 65 20 |.)l.Repl|ace the |
|00004ce0| 75 73 65 64 20 47 65 74 | 52 65 71 75 65 73 74 00 |used Get|Request.|
|00004cf0| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 06 dd 02 09 |...d..ON|LN.d....|
|00004d00| 00 36 02 15 00 52 00 28 | 02 12 00 36 07 53 65 72 |.6...R.(|...6.Ser|
|00004d10| 76 65 72 3a 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |ver:...d|..ONLN.d|
|00004d20| 06 e5 02 09 00 5a 02 15 | 00 c1 00 29 24 19 d2 48 |.....Z..|...)$..H|
|00004d30| 69 2c 20 42 69 6c 6c 21 | 20 55 73 65 20 73 6f 63 |i, Bill!| Use soc|
|00004d40| 6b 65 74 20 4d 2e d3 00 | 00 03 00 16 00 a1 00 64 |ket M...|.......d|
|00004d50| 00 10 4f 4e 4c 4e 00 64 | 07 00 02 09 00 ea 02 15 |..ONLN.d|........|
|00004d60| 01 26 00 29 90 0a 41 54 | 50 4f 70 65 6e 53 6b 74 |.&.)..AT|POpenSkt|
|00004d70| 00 03 00 14 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|00004d80| 07 0c 02 09 01 56 02 15 | 01 e4 00 29 6c 24 47 65 |.....V..|...)l$Ge|
|00004d90| 74 20 61 20 6e 65 77 20 | 73 6f 63 6b 65 74 20 66 |t a new |socket f|
|00004da0| 6f 72 20 74 61 6c 6b 69 | 6e 67 20 74 6f 20 42 69 |or talki|ng to Bi|
|00004db0| 6c 6c 00 03 00 16 00 a1 | 00 64 00 10 4f 4e 4c 4e |ll......|.d..ONLN|
|00004dc0| 00 64 07 36 02 14 00 ea | 02 20 01 2c 00 28 02 1d |.d.6....|. .,.(..|
|00004dd0| 00 ea 0b 41 54 50 52 65 | 73 70 6f 6e 73 65 00 03 |...ATPRe|sponse..|
|00004de0| 00 14 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 07 43 |.....d..|ONLN.d.C|
|00004df0| 02 14 01 56 02 20 01 c7 | 00 29 6c 1b 53 65 6e 64 |...V. ..|.)l.Send|
|00004e00| 20 42 69 6c 6c 20 74 68 | 65 20 73 6f 63 6b 65 74 | Bill th|e socket|
|00004e10| 20 6e 75 6d 62 65 72 00 | 00 03 00 16 00 a1 00 64 | number.|.......d|
|00004e20| 00 10 4f 4e 4c 4e 00 64 | 07 64 02 1f 00 ea 02 2b |..ONLN.d|.d.....+|
|00004e30| 01 38 00 28 02 28 00 ea | 0d 41 54 50 47 65 74 52 |.8.(.(..|.ATPGetR|
|00004e40| 65 71 75 65 73 74 00 03 | 00 14 00 a1 00 64 00 10 |equest..|.....d..|
|00004e50| 4f 4e 4c 4e 00 64 07 72 | 02 1f 01 56 02 2b 01 c8 |ONLN.d.r|...V.+..|
|00004e60| 00 29 6c 1b 52 65 70 6c | 61 63 65 20 74 68 65 20 |.)l.Repl|ace the |
|00004e70| 75 73 65 64 20 47 65 74 | 52 65 71 75 65 73 74 00 |used Get|Request.|
|00004e80| 00 0d 00 0c 00 06 00 01 | 00 00 00 a1 00 64 00 10 |........|.....d..|
|00004e90| 4f 4e 4c 4e 00 64 07 8e | 02 36 00 36 02 42 01 dc |ONLN.d..|.6.6.B..|
|00004ea0| 00 28 02 3f 00 36 55 46 | 72 6f 6d 20 74 68 69 73 |.(.?.6UF|rom this|
|00004eb0| 20 70 6f 69 6e 74 20 6f | 6e 2c 20 74 68 65 20 73 | point o|n, the s|
|00004ec0| 65 72 76 65 72 20 6b 6e | 6f 77 73 20 74 68 61 74 |erver kn|ows that|
|00004ed0| 20 61 6e 79 20 72 65 71 | 75 65 73 74 73 20 72 65 | any req|uests re|
|00004ee0| 63 65 69 76 65 64 20 6f | 6e 20 73 6f 63 6b 65 74 |ceived o|n socket|
|00004ef0| 20 4e 20 61 72 65 20 66 | 72 6f 6d 20 00 06 00 02 | N are f|rom ....|
|00004f00| 00 00 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 07 e3 |.....d..|ONLN.d..|
|00004f10| 02 36 01 dc 02 42 01 f8 | 00 28 02 3f 01 dc 05 44 |.6...B..|.(.?...D|
|00004f20| 61 76 65 2c 00 06 00 03 | 00 00 00 a1 00 64 00 10 |ave,....|.....d..|
|00004f30| 4f 4e 4c 4e 00 64 07 e9 | 02 42 00 36 02 4e 01 e2 |ONLN.d..|.B.6.N..|
|00004f40| 00 28 02 4b 00 36 52 61 | 6e 64 20 74 68 6f 73 65 |.(.K.6Ra|nd those|
|00004f50| 20 72 65 63 65 69 76 65 | 64 20 6f 6e 20 73 6f 63 | receive|d on soc|
|00004f60| 6b 65 74 20 4d 20 61 72 | 65 20 66 72 6f 6d 20 42 |ket M ar|e from B|
|00004f70| 69 6c 6c 2e 20 54 68 65 | 20 63 6f 6e 76 65 72 73 |ill. The| convers|
|00004f80| 61 74 69 6f 6e 73 20 63 | 6f 6e 74 69 6e 75 65 2c |ations c|ontinue,|
|00004f90| 20 61 66 74 65 72 20 61 | 20 00 00 06 00 04 00 00 | after a| .......|
|00004fa0| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 08 3b 02 42 |...d..ON|LN.d.;.B|
|00004fb0| 01 e2 02 4e 01 f8 00 28 | 02 4b 01 e2 05 62 72 69 |...N...(|.K...bri|
|00004fc0| 65 66 00 06 00 00 00 00 | 00 a1 00 64 00 10 4f 4e |ef......|...d..ON|
|00004fd0| 4c 4e 00 64 08 41 02 4e | 00 36 02 5a 00 bf 00 28 |LN.d.A.N|.6.Z...(|
|00004fe0| 02 57 00 36 1d 64 69 73 | 63 75 73 73 69 6f 6e 20 |.W.6.dis|cussion |
|00004ff0| 6f 66 20 65 72 72 6f 72 | 20 68 61 6e 64 6c 69 6e |of error| handlin|
|00005000| 67 2e 00 04 01 00 00 0d | 00 0e 00 a1 00 64 00 10 |g.......|.....d..|
|00005010| 4f 4e 4c 4e 00 64 08 5f | 02 72 00 36 02 81 00 cf |ONLN.d._|.r.6....|
|00005020| 00 2a 27 15 48 61 6c 66 | 2d 4f 70 65 6e 20 43 6f |.*'.Half|-Open Co|
|00005030| 6e 6e 65 63 74 69 6f 6e | 73 00 00 04 00 00 00 0d |nnection|s.......|
|00005040| 00 0c 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 08 75 |.....d..|ONLN.d.u|
|00005050| 02 8d 00 36 02 99 00 5f | 00 2a 18 09 54 68 65 72 |...6..._|.*..Ther|
|00005060| 65 20 69 73 20 00 00 06 | 00 01 00 00 00 a1 00 64 |e is ...|.......d|
|00005070| 00 10 4f 4e 4c 4e 00 64 | 08 7e 02 8d 00 5f 02 99 |..ONLN.d|.~..._..|
|00005080| 01 f8 00 29 29 53 61 20 | 70 6f 73 73 69 62 69 6c |...))Sa |possibil|
|00005090| 69 74 79 20 74 68 61 74 | 20 6f 6e 65 20 73 69 64 |ity that| one sid|
|000050a0| 65 20 6f 66 20 61 20 63 | 6f 6e 6e 65 63 74 69 6f |e of a c|onnectio|
|000050b0| 6e 20 63 6f 75 6c 64 20 | 67 6f 20 64 6f 77 6e 20 |n could |go down |
|000050c0| 28 62 65 20 70 6f 77 65 | 72 65 64 20 6f 66 66 2c |(be powe|red off,|
|000050d0| 20 72 65 62 6f 6f 74 65 | 64 00 00 06 00 00 00 00 | reboote|d.......|
|000050e0| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 08 d2 02 99 |...d..ON|LN.d....|
|000050f0| 00 36 02 a5 00 bc 00 28 | 02 a2 00 36 1d 61 63 63 |.6.....(|...6.acc|
|00005100| 69 64 65 6e 74 6c 79 2c | 20 6f 72 20 73 69 6d 70 |idently,| or simp|
|00005110| 6c 79 20 63 72 61 73 68 | 29 20 00 06 00 01 00 00 |ly crash|) ......|
|00005120| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 08 ef 02 99 |...d..ON|LN.d....|
|00005130| 00 bc 02 a5 01 f8 00 29 | 86 43 62 65 66 6f 72 65 |.......)|.Cbefore|
|00005140| 20 74 68 65 20 63 6f 6e | 6e 65 63 74 69 6f 6e 20 | the con|nection |
|00005150| 68 61 73 20 62 65 65 6e | 20 6f 66 66 69 63 69 61 |has been| officia|
|00005160| 6c 6c 79 20 62 72 6f 6b | 65 6e 2e 20 49 66 20 61 |lly brok|en. If a|
|00005170| 20 75 73 65 72 20 73 74 | 61 74 69 6f 6e 00 00 06 | user st|ation...|
|00005180| 00 00 00 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|00005190| 09 33 02 a5 00 36 02 b1 | 01 8f 00 28 02 ae 00 36 |.3...6..|...(...6|
|000051a0| 46 67 6f 65 73 20 64 6f | 77 6e 2c 20 74 68 65 20 |Fgoes do|wn, the |
|000051b0| 73 65 72 76 65 72 20 6d | 75 73 74 20 74 68 72 6f |server m|ust thro|
|000051c0| 77 20 61 77 61 79 20 61 | 6e 79 20 73 61 76 65 64 |w away a|ny saved|
|000051d0| 20 73 74 61 74 65 20 69 | 6e 66 6f 72 6d 61 74 69 | state i|nformati|
|000051e0| 6f 6e 20 61 6e 64 20 00 | 00 06 00 01 00 00 00 a1 |on and .|........|
|000051f0| 00 64 00 10 4f 4e 4c 4e | 00 64 09 79 02 a5 01 8f |.d..ONLN|.d.y....|
|00005200| 02 b1 01 f8 00 28 02 ae | 01 8f 16 63 6c 6f 73 65 |.....(..|...close|
|00005210| 20 74 68 61 74 20 75 73 | 65 72 d5 73 20 6f 70 65 | that us|er.s ope|
|00005220| 6e 00 00 20 02 c0 00 34 | 02 c0 01 f9 00 0d 00 0a |n.. ...4|........|
|00005230| 00 06 00 00 00 00 00 28 | 02 d5 00 36 01 32 00 29 |.......(|...6.2.)|
|00005240| 05 05 20 6f 66 20 34 00 | 00 28 02 d5 01 66 21 4e |.. of 4.|.(...f!N|
|00005250| 57 20 32 31 20 2d 20 44 | 61 74 61 20 53 65 72 76 |W 21 - D|ata Serv|
|00005260| 65 72 73 20 6f 6e 20 41 | 70 70 6c 65 54 61 6c 6b |ers on A|ppleTalk|
|00005270| 00 2b 63 16 0a 4e 65 74 | 77 6f 72 6b 69 6e 67 00 |.+c..Net|working.|
|00005280| 00 ff 14 d2 00 00 00 00 | 03 48 02 52 00 11 02 ff |........|.H.R....|
|00005290| 0c 00 ff ff ff ff 00 00 | 00 00 00 00 00 00 02 52 |........|.......R|
|000052a0| 00 00 03 48 00 00 00 00 | 00 00 00 1e 00 01 00 0a |...H....|........|
|000052b0| 00 00 00 00 03 48 02 52 | 00 2c 00 08 00 14 05 54 |.....H.R|.,.....T|
|000052c0| 69 6d 65 73 00 03 00 14 | 00 0d 00 0a 00 2e 00 04 |imes....|........|
|000052d0| 00 00 00 00 00 2b 5a 2d | 18 44 65 76 65 6c 6f 70 |.....+Z-|.Develop|
|000052e0| 65 72 20 53 75 70 70 6f | 72 74 20 43 65 6e 74 65 |er Suppo|rt Cente|
|000052f0| 72 00 00 28 00 2d 01 ec | 0a 4d 61 72 63 68 20 31 |r..(.-..|.March 1|
|00005300| 39 38 38 00 00 20 00 2f | 00 58 00 2f 02 1d 00 0d |988.. ./|.X./....|
|00005310| 00 0c 00 06 00 01 00 00 | 00 a1 00 64 00 10 4f 4e |........|...d..ON|
|00005320| 4c 4e 00 64 00 00 00 3c | 00 5a 00 48 00 ad 00 28 |LN.d...<|.Z.H...(|
|00005330| 00 45 00 5a 11 73 6f 63 | 6b 65 74 2e 20 54 68 69 |.E.Z.soc|ket. Thi|
|00005340| 73 20 63 61 6e 20 00 06 | 00 02 00 00 00 a1 00 64 |s can ..|.......d|
|00005350| 00 10 4f 4e 4c 4e 00 64 | 00 11 00 3c 00 ad 00 48 |..ONLN.d|...<...H|
|00005360| 02 1c 00 29 53 4d 62 65 | 20 64 6f 6e 65 20 62 79 |...)SMbe| done by|
|00005370| 20 72 65 71 75 69 72 69 | 6e 67 20 74 68 61 74 20 | requiri|ng that |
|00005380| 74 68 65 20 75 73 65 72 | 20 73 74 61 74 69 6f 6e |the user| station|
|00005390| 73 20 70 65 72 69 6f 64 | 69 63 61 6c 6c 79 20 d2 |s period|ically .|
|000053a0| 74 69 63 6b 6c 65 d3 20 | 74 68 65 20 73 65 72 76 |tickle. |the serv|
|000053b0| 65 72 3a 00 00 06 00 01 | 00 00 00 a1 00 64 00 10 |er:.....|.....d..|
|000053c0| 4f 4e 4c 4e 00 64 00 5f | 00 48 00 5a 00 54 01 d9 |ONLN.d._|.H.Z.T..|
|000053d0| 00 28 00 51 00 5a 4d 65 | 76 65 72 79 20 33 30 20 |.(.Q.ZMe|very 30 |
|000053e0| 73 65 63 6f 6e 64 73 20 | 28 66 6f 72 20 65 78 61 |seconds |(for exa|
|000053f0| 6d 70 6c 65 29 20 74 68 | 65 20 75 73 65 72 20 73 |mple) th|e user s|
|00005400| 74 61 74 69 6f 6e 20 73 | 65 6e 64 73 20 61 20 64 |tation s|ends a d|
|00005410| 75 6d 6d 79 20 72 65 71 | 75 65 73 74 20 74 6f 20 |ummy req|uest to |
|00005420| 74 68 65 20 00 06 00 02 | 00 00 00 a1 00 64 00 10 |the ....|.....d..|
|00005430| 4f 4e 4c 4e 00 64 00 ac | 00 48 01 d9 00 54 02 1c |ONLN.d..|.H...T..|
|00005440| 00 28 00 51 01 d9 0d 73 | 65 72 76 65 72 2c 20 77 |.(.Q...s|erver, w|
|00005450| 68 69 63 68 00 06 00 00 | 00 00 00 a1 00 64 00 10 |hich....|.....d..|
|00005460| 4f 4e 4c 4e 00 64 00 ba | 00 54 00 5a 00 60 01 4f |ONLN.d..|.T.Z.`.O|
|00005470| 00 28 00 5d 00 5a 33 73 | 65 6e 64 73 20 61 20 64 |.(.].Z3s|ends a d|
|00005480| 75 6d 6d 79 20 72 65 73 | 70 6f 6e 73 65 2e 20 54 |ummy res|ponse. T|
|00005490| 68 69 73 20 6c 65 74 73 | 20 65 61 63 68 20 73 69 |his lets| each si|
|000054a0| 64 65 20 6f 66 20 74 68 | 65 20 00 06 00 01 00 00 |de of th|e ......|
|000054b0| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 00 ed 00 54 |...d..ON|LN.d...T|
|000054c0| 01 4f 00 60 02 1c 00 29 | f5 2c 63 6f 6e 6e 65 63 |.O.`...)|.,connec|
|000054d0| 74 69 6f 6e 20 6b 6e 6f | 77 20 74 68 61 74 20 74 |tion kno|w that t|
|000054e0| 68 65 20 6f 74 68 65 72 | 20 73 69 64 65 20 69 73 |he other| side is|
|000054f0| 20 73 74 69 6c 6c 00 06 | 00 00 00 00 00 a1 00 64 | still..|.......d|
|00005500| 00 10 4f 4e 4c 4e 00 64 | 01 1a 00 60 00 5a 00 6c |..ONLN.d|...`.Z.l|
|00005510| 00 7e 00 28 00 69 00 5a | 08 d2 61 6c 69 76 65 2e |.~.(.i.Z|..alive.|
|00005520| d3 00 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 01 23 |.....d..|ONLN.d.#|
|00005530| 00 78 00 5a 00 84 01 63 | 00 2a 18 38 57 68 65 6e |.x.Z...c|.*.8When|
|00005540| 20 74 68 65 20 73 65 72 | 76 65 72 20 64 65 74 65 | the ser|ver dete|
|00005550| 63 74 73 20 74 68 61 74 | 20 74 77 6f 20 69 6e 74 |cts that| two int|
|00005560| 65 72 76 61 6c 73 20 68 | 61 76 65 20 67 6f 6e 65 |ervals h|ave gone|
|00005570| 20 62 79 20 00 06 00 01 | 00 00 00 a1 00 64 00 10 | by ....|.....d..|
|00005580| 4f 4e 4c 4e 00 64 01 5b | 00 78 01 63 00 84 02 1c |ONLN.d.[|.x.c....|
|00005590| 00 28 00 81 01 63 27 77 | 69 74 68 6f 75 74 20 61 |.(...c'w|ithout a|
|000055a0| 20 74 69 63 6b 6c 65 20 | 72 65 71 75 65 73 74 2c | tickle |request,|
|000055b0| 20 69 74 20 63 61 6e 20 | 61 73 73 75 6d 65 00 06 | it can |assume..|
|000055c0| 00 00 00 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|000055d0| 01 83 00 84 00 5a 00 90 | 01 59 00 28 00 8d 00 5a |.....Z..|.Y.(...Z|
|000055e0| 39 74 68 61 74 20 74 68 | 65 20 75 73 65 72 20 73 |9that th|e user s|
|000055f0| 74 61 74 69 6f 6e 20 68 | 61 73 20 63 72 61 73 68 |tation h|as crash|
|00005600| 65 64 2c 20 61 6e 64 20 | 63 6c 6f 73 65 20 74 68 |ed, and |close th|
|00005610| 61 74 20 75 73 65 72 d5 | 73 20 00 06 00 01 00 00 |at user.|s ......|
|00005620| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 01 bc 00 84 |...d..ON|LN.d....|
|00005630| 01 59 00 90 02 1c 00 29 | ff 25 73 6f 63 6b 65 74 |.Y.....)|.%socket|
|00005640| 20 61 6e 64 20 74 68 72 | 6f 77 20 61 77 61 79 20 | and thr|ow away |
|00005650| 61 6e 79 20 61 63 63 75 | 6d 75 6c 61 74 65 64 00 |any accu|mulated.|
|00005660| 00 06 00 00 00 00 00 a1 | 00 64 00 10 4f 4e 4c 4e |........|.d..ONLN|
|00005670| 00 64 01 e2 00 90 00 5a | 00 9c 00 ad 00 28 00 99 |.d.....Z|.....(..|
|00005680| 00 5a 12 73 74 61 74 65 | 20 69 6e 66 6f 72 6d 61 |.Z.state| informa|
|00005690| 74 69 6f 6e 2e 00 00 06 | 00 04 00 00 00 a1 00 64 |tion....|.......d|
|000056a0| 00 10 4f 4e 4c 4e 00 64 | 01 f5 00 a8 00 5a 00 b4 |..ONLN.d|.....Z..|
|000056b0| 00 8e 00 2a 18 09 54 68 | 65 20 75 73 65 72 20 00 |...*..Th|e user .|
|000056c0| 00 06 00 05 00 00 00 a1 | 00 64 00 10 4f 4e 4c 4e |........|.d..ONLN|
|000056d0| 00 64 01 fe 00 a8 00 8e | 00 b4 02 1c 00 29 34 4d |.d......|.....)4M|
|000056e0| 73 74 61 74 69 6f 6e 20 | 73 68 6f 75 6c 64 20 75 |station |should u|
|000056f0| 73 65 20 61 20 76 65 72 | 74 69 63 61 6c 2d 62 6c |se a ver|tical-bl|
|00005700| 61 6e 6b 69 6e 67 20 74 | 61 73 6b 20 74 6f 20 67 |anking t|ask to g|
|00005710| 65 6e 65 72 61 74 65 20 | 74 68 65 73 65 20 74 69 |enerate |these ti|
|00005720| 63 6b 6c 65 20 72 65 71 | 75 65 73 74 73 00 00 06 |ckle req|uests...|
|00005730| 00 02 00 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|00005740| 02 4c 00 b5 00 5a 00 c1 | 00 c8 00 28 00 be 00 5a |.L...Z..|...(...Z|
|00005750| 16 61 73 79 6e 63 72 6f | 6e 6f 75 73 6c 79 2c 20 |.asyncro|nously, |
|00005760| 72 61 74 68 65 72 20 00 | 00 06 00 03 00 00 00 a1 |rather .|........|
|00005770| 00 64 00 10 4f 4e 4c 4e | 00 64 02 62 00 b5 00 c8 |.d..ONLN|.d.b....|
|00005780| 00 c1 01 6e 00 29 6e 20 | 74 68 61 6e 20 67 65 6e |...n.)n |than gen|
|00005790| 65 72 61 74 69 6e 67 20 | 74 68 65 6d 20 77 69 74 |erating |them wit|
|000057a0| 68 69 6e 20 74 68 65 20 | 00 2c 00 0a 00 16 07 43 |hin the |.,.....C|
|000057b0| 6f 75 72 69 65 72 00 03 | 00 16 00 a1 00 64 00 10 |ourier..|.....d..|
|000057c0| 4f 4e 4c 4e 00 64 02 82 | 00 b4 01 6e 00 c0 01 c2 |ONLN.d..|...n....|
|000057d0| 00 29 a6 0c 47 65 74 4e | 65 78 74 45 76 65 6e 74 |.)..GetN|extEvent|
|000057e0| 00 03 00 14 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|000057f0| 02 8e 00 b5 01 c2 00 c1 | 02 1c 00 29 54 12 20 6c |........|...)T. l|
|00005800| 6f 6f 70 3b 20 74 68 69 | 73 20 61 76 6f 69 64 73 |oop; thi|s avoids|
|00005810| 00 06 00 00 00 00 00 a1 | 00 64 00 10 4f 4e 4c 4e |........|.d..ONLN|
|00005820| 00 64 02 a1 00 c2 00 5a | 00 ce 01 15 00 28 00 cb |.d.....Z|.....(..|
|00005830| 00 5a 25 70 72 6f 62 6c | 65 6d 73 20 77 69 74 68 |.Z%probl|ems with|
|00005840| 20 6c 6f 6e 67 20 70 65 | 72 69 6f 64 73 20 61 77 | long pe|riods aw|
|00005850| 61 79 20 66 72 6f 6d 20 | 00 03 00 16 00 a1 00 64 |ay from |.......d|
|00005860| 00 10 4f 4e 4c 4e 00 64 | 02 c6 00 c1 01 15 00 cd |..ONLN.d|........|
|00005870| 01 69 00 29 bb 0c 47 65 | 74 4e 65 78 74 45 76 65 |.i.)..Ge|tNextEve|
|00005880| 6e 74 00 0d 00 0a 00 a1 | 00 64 00 10 4f 4e 4c 4e |nt......|.d..ONLN|
|00005890| 00 64 02 d2 00 c2 01 69 | 00 ce 01 6f 00 29 54 01 |.d.....i|...o.)T.|
|000058a0| 20 00 00 03 00 14 00 0d | 00 0c 00 a1 00 64 00 10 | .......|.....d..|
|000058b0| 4f 4e 4c 4e 00 64 02 d3 | 00 c2 01 6f 00 ce 01 fe |ONLN.d..|...o....|
|000058c0| 00 29 06 1d 28 73 75 63 | 68 20 61 73 20 77 68 65 |.)..(suc|h as whe|
|000058d0| 6e 20 61 20 6d 6f 64 61 | 6c 20 64 69 61 6c 6f 67 |n a moda|l dialog|
|000058e0| 20 00 00 06 00 01 00 00 | 00 a1 00 64 00 10 4f 4e | .......|...d..ON|
|000058f0| 4c 4e 00 64 02 f0 00 c2 | 01 fe 00 ce 02 1c 00 29 |LN.d....|.......)|
|00005900| 8f 06 62 6f 78 20 69 73 | 00 06 00 00 00 00 00 a1 |..box is|........|
|00005910| 00 64 00 10 4f 4e 4c 4e | 00 64 02 f7 00 ce 00 5a |.d..ONLN|.d.....Z|
|00005920| 00 da 01 4e 00 28 00 d7 | 00 5a 37 72 75 6e 6e 69 |...N.(..|.Z7runni|
|00005930| 6e 67 29 2e 20 54 68 69 | 73 20 74 61 73 6b 20 63 |ng). Thi|s task c|
|00005940| 61 6e 20 6c 6f 6f 6b 20 | 61 74 20 74 68 65 20 74 |an look |at the t|
|00005950| 69 6d 65 20 74 68 61 74 | 20 74 68 65 20 6c 61 73 |ime that| the las|
|00005960| 74 20 00 06 00 01 00 00 | 00 a1 00 64 00 10 4f 4e |t ......|...d..ON|
|00005970| 4c 4e 00 64 03 2e 00 ce | 01 4e 00 da 02 1c 00 29 |LN.d....|.N.....)|
|00005980| f4 2b 72 65 71 75 65 73 | 74 20 77 61 73 20 6d 61 |.+reques|t was ma|
|00005990| 64 65 20 6f 66 20 74 68 | 65 20 73 65 72 76 65 72 |de of th|e server|
|000059a0| 2c 20 61 6e 64 20 69 66 | 20 69 74 d5 73 00 00 06 |, and if| it.s...|
|000059b0| 00 03 00 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|000059c0| 03 5a 00 da 00 5a 00 e6 | 01 28 00 28 00 e3 00 5a |.Z...Z..|.(.(...Z|
|000059d0| 28 61 70 70 72 6f 61 63 | 68 69 6e 67 20 74 68 65 |(approac|hing the|
|000059e0| 20 69 6e 74 65 72 76 61 | 6c 20 74 69 6d 65 2c 20 | interva|l time, |
|000059f0| 71 75 65 75 65 20 61 6e | 20 00 00 04 01 00 00 a1 |queue an| .......|
|00005a00| 00 64 00 10 4f 4e 4c 4e | 00 64 03 82 00 da 01 28 |.d..ONLN|.d.....(|
|00005a10| 00 e6 01 76 00 29 ce 0c | 61 73 79 6e 63 68 72 6f |...v.)..|asynchro|
|00005a20| 6e 6f 75 73 00 04 00 00 | 00 a1 00 64 00 10 4f 4e |nous....|...d..ON|
|00005a30| 4c 4e 00 64 03 8e 00 da | 01 76 00 e6 02 09 00 29 |LN.d....|.v.....)|
|00005a40| 4e 1e 20 72 65 71 75 65 | 73 74 20 74 6f 20 74 69 |N. reque|st to ti|
|00005a50| 63 6b 6c 65 20 74 68 65 | 20 73 65 72 76 65 72 20 |ckle the| server |
|00005a60| 00 06 00 04 00 00 00 a1 | 00 64 00 10 4f 4e 4c 4e |........|.d..ONLN|
|00005a70| 00 64 03 ac 00 da 02 09 | 00 e6 02 1c 00 29 93 05 |.d......|.....)..|
|00005a80| 28 69 74 d5 73 00 00 06 | 00 06 00 00 00 a1 00 64 |(it.s...|.......d|
|00005a90| 00 10 4f 4e 4c 4e 00 64 | 03 b2 00 e6 00 5a 00 f2 |..ONLN.d|.....Z..|
|00005aa0| 01 8f 00 28 00 ef 00 5a | 37 69 6d 70 6f 72 74 61 |...(...Z|7importa|
|00005ab0| 6e 74 20 74 68 61 74 20 | 61 6e 79 20 41 70 70 6c |nt that |any Appl|
|00005ac0| 65 54 61 6c 6b 20 63 61 | 6c 6c 73 20 6d 61 64 65 |eTalk ca|lls made|
|00005ad0| 20 66 72 6f 6d 20 69 6e | 74 65 72 72 75 70 74 20 | from in|terrupt |
|00005ae0| 00 06 00 07 00 00 00 a1 | 00 64 00 10 4f 4e 4c 4e |........|.d..ONLN|
|00005af0| 00 64 03 e9 00 e6 01 8f | 00 f2 02 1c 00 28 00 ef |.d......|.....(..|
|00005b00| 01 8f 19 6f 72 20 63 6f | 6d 70 6c 65 74 69 6f 6e |...or co|mpletion|
|00005b10| 20 72 6f 75 74 69 6e 65 | 73 20 62 65 00 06 00 00 | routine|s be....|
|00005b20| 00 00 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 04 03 |.....d..|ONLN.d..|
|00005b30| 00 f2 00 5a 00 fe 00 a4 | 00 28 00 fb 00 5a 0e 61 |...Z....|.(...Z.a|
|00005b40| 73 79 6e 63 68 72 6f 6e | 6f 75 73 29 2e 00 00 a1 |synchron|ous)....|
|00005b50| 00 64 00 10 4f 4e 4c 4e | 00 64 04 12 01 0a 00 5a |.d..ONLN|.d.....Z|
|00005b60| 01 16 01 54 00 2a 18 39 | 49 66 20 61 20 75 73 65 |...T.*.9|If a use|
|00005b70| 72 20 73 74 61 74 69 6f | 6e d5 73 20 72 65 71 75 |r statio|n.s requ|
|00005b80| 65 73 74 20 28 69 6e 63 | 6c 75 64 69 6e 67 20 61 |est (inc|luding a|
|00005b90| 20 74 69 63 6b 6c 65 20 | 72 65 71 75 65 73 74 29 | tickle |request)|
|00005ba0| 20 00 00 06 00 01 00 00 | 00 a1 00 64 00 10 4f 4e | .......|...d..ON|
|00005bb0| 4c 4e 00 64 04 4b 01 0a | 01 54 01 16 02 1c 00 29 |LN.d.K..|.T.....)|
|00005bc0| fa 28 67 6f 65 73 20 75 | 6e 61 6e 73 77 65 72 65 |.(goes u|nanswere|
|00005bd0| 64 2c 20 74 68 65 20 75 | 73 65 72 20 73 74 61 74 |d, the u|ser stat|
|00005be0| 69 6f 6e 20 73 68 6f 75 | 6c 64 00 06 00 04 00 00 |ion shou|ld......|
|00005bf0| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 04 74 01 16 |...d..ON|LN.d.t..|
|00005c00| 00 5a 01 22 01 28 00 28 | 01 1f 00 5a 26 72 65 63 |.Z.".(.(|...Z&rec|
|00005c10| 6f 76 65 72 20 62 79 20 | 6c 6f 6f 6b 69 6e 67 20 |over by |looking |
|00005c20| 66 6f 72 20 74 68 65 20 | 73 65 72 76 65 72 20 61 |for the |server a|
|00005c30| 6e 64 20 00 00 06 00 05 | 00 00 00 a1 00 64 00 10 |nd .....|.....d..|
|00005c40| 4f 4e 4c 4e 00 64 04 9a | 01 16 01 28 01 22 02 1c |ONLN.d..|...(."..|
|00005c50| 00 29 ce 2c 72 65 65 73 | 74 61 62 6c 69 73 68 69 |.).,rees|tablishi|
|00005c60| 6e 67 20 63 6f 6d 6d 75 | 6e 69 63 61 74 69 6f 6e |ng commu|nication|
|00005c70| 73 20 61 73 20 73 68 6f | 77 6e 20 61 62 6f 76 65 |s as sho|wn above|
|00005c80| 00 06 00 00 00 00 00 a1 | 00 64 00 10 4f 4e 4c 4e |........|.d..ONLN|
|00005c90| 00 64 04 c7 01 23 00 5a | 01 2f 00 d8 00 28 01 2c |.d...#.Z|./...(.,|
|00005ca0| 00 5a 1c 28 62 65 67 69 | 6e 6e 69 6e 67 20 77 69 |.Z.(begi|nning wi|
|00005cb0| 74 68 20 74 68 65 20 63 | 61 6c 6c 20 74 6f 20 00 |th the c|all to .|
|00005cc0| 00 03 00 16 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|00005cd0| 04 e3 01 22 00 d8 01 2e | 01 17 00 29 7e 09 4e 42 |..."....|...)~.NB|
|00005ce0| 50 4c 6f 6f 6b 55 70 00 | 00 03 00 14 00 a1 00 64 |PLookUp.|.......d|
|00005cf0| 00 10 4f 4e 4c 4e 00 64 | 04 ec 01 23 01 17 01 2f |..ONLN.d|...#.../|
|00005d00| 01 1f 00 29 3f 02 29 2e | 00 06 00 02 00 00 00 a1 |...)?.).|........|
|00005d10| 00 64 00 10 4f 4e 4c 4e | 00 64 04 ef 01 3b 00 5a |.d..ONLN|.d...;.Z|
|00005d20| 01 47 01 f4 00 28 01 44 | 00 5a 50 4d 6f 72 65 20 |.G...(.D|.ZPMore |
|00005d30| 69 6e 66 6f 72 6d 61 74 | 69 6f 6e 20 61 62 6f 75 |informat|ion abou|
|00005d40| 74 20 68 61 6c 66 2d 6f | 70 65 6e 20 63 6f 6e 6e |t half-o|pen conn|
|00005d50| 65 63 74 69 6f 6e 73 20 | 63 61 6e 20 62 65 20 66 |ections |can be f|
|00005d60| 6f 75 6e 64 20 69 6e 20 | 74 68 65 20 50 72 69 6e |ound in |the Prin|
|00005d70| 74 65 72 20 41 63 63 65 | 73 73 20 00 00 06 00 03 |ter Acce|ss .....|
|00005d80| 00 00 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 05 3f |.....d..|ONLN.d.?|
|00005d90| 01 3b 01 f4 01 47 02 1c | 00 28 01 44 01 f4 08 50 |.;...G..|.(.D...P|
|00005da0| 72 6f 74 6f 63 6f 6c 00 | 00 06 00 00 00 00 00 a1 |rotocol.|........|
|00005db0| 00 64 00 10 4f 4e 4c 4e | 00 64 05 48 01 47 00 5a |.d..ONLN|.d.H.G.Z|
|00005dc0| 01 53 00 8c 00 28 01 50 | 00 5a 0b 63 68 61 70 74 |.S...(.P|.Z.chapt|
|00005dd0| 65 72 20 6f 66 20 00 04 | 02 00 00 a1 00 64 00 10 |er of ..|.....d..|
|00005de0| 4f 4e 4c 4e 00 64 05 53 | 01 47 00 8c 01 53 00 e8 |ONLN.d.S|.G...S..|
|00005df0| 00 29 32 13 49 6e 73 69 | 64 65 20 4c 61 73 65 72 |.)2.Insi|de Laser|
|00005e00| 57 72 69 74 65 72 2c 00 | 00 04 00 00 00 a1 00 64 |Writer,.|.......d|
|00005e10| 00 10 4f 4e 4c 4e 00 64 | 05 66 01 47 00 e8 01 53 |..ONLN.d|.f.G...S|
|00005e20| 01 54 00 29 5c 15 20 61 | 76 61 69 6c 61 62 6c 65 |.T.)\. a|vailable|
|00005e30| 20 66 72 6f 6d 20 41 50 | 44 41 2e 00 00 04 01 00 | from AP|DA......|
|00005e40| 00 0d 00 0e 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|00005e50| 05 7c 01 6b 00 5a 01 7a | 00 e8 00 28 01 77 00 5a |.|.k.Z.z|...(.w.Z|
|00005e60| 14 55 73 69 6e 67 20 74 | 68 65 20 43 6f 6e 6e 65 |.Using t|he Conne|
|00005e70| 63 74 69 6f 6e 00 00 04 | 00 00 00 0d 00 0c 00 a1 |ction...|........|
|00005e80| 00 64 00 10 4f 4e 4c 4e | 00 64 05 91 01 86 00 5a |.d..ONLN|.d.....Z|
|00005e90| 01 92 00 6f 00 2a 18 04 | 54 68 65 20 00 06 00 01 |...o.*..|The ....|
|00005ea0| 00 00 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 05 95 |.....d..|ONLN.d..|
|00005eb0| 01 86 00 6f 01 92 02 1c | 00 29 15 58 75 73 65 72 |...o....|.).Xuser|
|00005ec0| 20 73 74 61 74 69 6f 6e | 73 20 44 61 76 65 20 61 | station|s Dave a|
|00005ed0| 6e 64 20 42 69 6c 6c 20 | 68 61 76 65 20 65 73 74 |nd Bill |have est|
|00005ee0| 61 62 6c 69 73 68 65 64 | 20 63 6f 6d 6d 75 6e 69 |ablished| communi|
|00005ef0| 63 61 74 69 6f 6e 73 20 | 77 69 74 68 20 74 68 65 |cations |with the|
|00005f00| 20 73 65 72 76 65 72 2c | 20 65 61 63 68 20 6f 6e | server,| each on|
|00005f10| 20 69 74 73 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 | its...d|..ONLN.d|
|00005f20| 05 ee 01 92 00 5a 01 9e | 00 c6 00 28 01 9b 00 5a |.....Z..|...(...Z|
|00005f30| 16 6f 77 6e 20 73 6f 63 | 6b 65 74 20 28 6e 6f 74 |.own soc|ket (not|
|00005f40| 65 20 74 68 61 74 20 00 | 00 06 00 02 00 00 00 a1 |e that .|........|
|00005f50| 00 64 00 10 4f 4e 4c 4e | 00 64 06 04 01 92 00 c6 |.d..ONLN|.d......|
|00005f60| 01 9e 02 1c 00 29 6c 45 | 74 68 65 20 75 73 65 72 |.....)lE|the user|
|00005f70| 20 73 74 61 74 69 6f 6e | 73 20 68 61 76 65 20 6e | station|s have n|
|00005f80| 6f 74 20 68 61 64 20 74 | 6f 20 6f 70 65 6e 20 74 |ot had t|o open t|
|00005f90| 68 65 69 72 20 6f 77 6e | 20 73 6f 63 6b 65 74 73 |heir own| sockets|
|00005fa0| 2c 20 6f 72 20 72 65 67 | 69 73 74 65 72 00 00 06 |, or reg|ister...|
|00005fb0| 00 04 00 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|00005fc0| 06 4a 01 9e 00 5a 01 aa | 01 68 00 28 01 a7 00 5a |.J...Z..|.h.(...Z|
|00005fd0| 2f 6e 61 6d 65 73 20 6f | 66 20 74 68 65 69 72 20 |/names o|f their |
|00005fe0| 6f 77 6e 2c 20 74 6f 20 | 64 6f 20 74 68 69 73 d1 |own, to |do this.|
|00005ff0| 74 68 65 20 6e 61 6d 65 | 73 20 77 65 d5 72 65 20 |the name|s we.re |
|00006000| 00 06 00 05 00 00 00 a1 | 00 64 00 10 4f 4e 4c 4e |........|.d..ONLN|
|00006010| 00 64 06 79 01 9e 01 68 | 01 aa 02 1c 00 28 01 a7 |.d.y...h|.....(..|
|00006020| 01 68 22 75 73 69 6e 67 | 20 61 72 65 20 6d 65 72 |.h"using| are mer|
|00006030| 65 6c 79 20 66 6f 72 20 | 65 78 70 6c 61 6e 61 74 |ely for |explanat|
|00006040| 69 6f 6e 61 6c 00 00 06 | 00 00 00 00 00 a1 00 64 |ional...|.......d|
|00006050| 00 10 4f 4e 4c 4e 00 64 | 06 9c 01 aa 00 5a 01 b6 |..ONLN.d|.....Z..|
|00006060| 01 b8 00 28 01 b3 00 5a | 4b 63 6f 6e 76 65 6e 69 |...(...Z|Kconveni|
|00006070| 65 6e 63 65 29 2e 20 54 | 68 65 79 20 61 72 65 20 |ence). T|hey are |
|00006080| 61 6c 73 6f 20 61 75 74 | 6f 6d 61 74 69 63 61 6c |also aut|omatical|
|00006090| 6c 79 20 74 69 63 6b 6c | 69 6e 67 20 74 68 65 20 |ly tickl|ing the |
|000060a0| 73 65 72 76 65 72 20 61 | 73 20 6e 65 63 65 73 73 |server a|s necess|
|000060b0| 61 72 79 2e 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |ary....d|..ONLN.d|
|000060c0| 06 e8 01 c2 00 5a 01 ce | 01 79 00 2a 18 3c 4e 6f |.....Z..|.y.*.<No|
|000060d0| 77 20 74 68 65 20 75 73 | 65 72 20 73 74 61 74 69 |w the us|er stati|
|000060e0| 6f 6e 73 20 6d 61 6b 65 | 20 72 65 71 75 65 73 74 |ons make| request|
|000060f0| 73 20 6f 66 20 74 68 65 | 20 73 65 72 76 65 72 20 |s of the| server |
|00006100| 61 73 20 6e 65 65 64 65 | 64 3a 00 0d 00 0a 00 a1 |as neede|d:......|
|00006110| 00 64 00 10 4f 4e 4c 4e | 00 64 07 26 01 da 00 5a |.d..ONLN|.d.&...Z|
|00006120| 01 e6 00 6c 00 2a 18 05 | 42 69 6c 6c 3a 00 00 a1 |...l.*..|Bill:...|
|00006130| 00 64 00 10 4f 4e 4c 4e | 00 64 07 2c 01 da 00 7e |.d..ONLN|.d.,...~|
|00006140| 01 e6 00 de 00 29 24 1a | d2 49 d5 64 20 6c 69 6b |.....)$.|.I.d lik|
|00006150| 65 20 74 6f 20 75 73 65 | 20 74 68 65 20 73 61 6c |e to use| the sal|
|00006160| 65 73 00 03 00 16 00 a1 | 00 64 00 10 4f 4e 4c 4e |es......|.d..ONLN|
|00006170| 00 64 07 48 01 da 01 0e | 01 e6 01 4a 00 29 90 0a |.d.H....|...J.)..|
|00006180| 41 54 50 52 65 71 75 65 | 73 74 00 03 00 14 00 a1 |ATPReque|st......|
|00006190| 00 64 00 10 4f 4e 4c 4e | 00 64 07 54 01 da 01 7a |.d..ONLN|.d.T...z|
|000061a0| 01 e6 01 d0 00 29 6c 16 | 42 69 6c 6c 20 6f 70 65 |.....)l.|Bill ope|
|000061b0| 6e 73 20 61 20 64 61 74 | 61 62 61 73 65 2e 00 a1 |ns a dat|abase...|
|000061c0| 00 64 00 10 4f 4e 4c 4e | 00 64 07 6c 01 e5 00 7e |.d..ONLN|.d.l...~|
|000061d0| 01 f1 00 d3 00 28 01 ee | 00 7e 17 66 69 67 75 72 |.....(..|.~.figur|
|000061e0| 65 73 20 66 6f 72 20 74 | 68 69 73 20 79 65 61 72 |es for t|his year|
|000061f0| 2e d3 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 07 84 |.....d..|ONLN.d..|
|00006200| 01 fb 00 5a 02 07 00 76 | 00 28 02 04 00 5a 07 53 |...Z...v|.(...Z.S|
|00006210| 65 72 76 65 72 3a 00 a1 | 00 64 00 10 4f 4e 4c 4e |erver:..|.d..ONLN|
|00006220| 00 64 07 8c 01 fb 00 7e | 02 07 00 aa 00 29 24 0b |.d.....~|.....)$.|
|00006230| d2 4f 6b 2c 20 42 69 6c | 6c 2e d3 00 00 03 00 16 |.Ok, Bil|l.......|
|00006240| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 07 9a 01 fb |...d..ON|LN.d....|
|00006250| 01 0e 02 07 01 50 00 29 | 90 0b 41 54 50 52 65 73 |.....P.)|..ATPRes|
|00006260| 70 6f 6e 73 65 00 00 03 | 00 14 00 a1 00 64 00 10 |ponse...|.....d..|
|00006270| 4f 4e 4c 4e 00 64 07 a7 | 01 fb 01 7a 02 07 02 08 |ONLN.d..|...z....|
|00006280| 00 29 6c 23 54 68 65 20 | 73 65 72 76 65 72 20 63 |.)l#The |server c|
|00006290| 68 65 63 6b 73 20 74 6f | 20 6d 61 6b 65 20 73 75 |hecks to| make su|
|000062a0| 72 65 20 74 68 61 74 00 | 00 a1 00 64 00 10 4f 4e |re that.|...d..ON|
|000062b0| 4c 4e 00 64 07 d3 02 06 | 01 7a 02 12 02 02 00 2a |LN.d....|.z.....*|
|000062c0| 0b 23 6e 6f 20 6f 6e 65 | 20 65 6c 73 65 20 69 73 |.#no one| else is|
|000062d0| 20 75 73 69 6e 67 20 74 | 68 61 74 20 64 61 74 61 | using t|hat data|
|000062e0| 62 61 73 65 2e 00 00 a1 | 00 64 00 10 4f 4e 4c 4e |base....|.d..ONLN|
|000062f0| 00 64 07 f7 02 1c 00 5a | 02 28 00 71 00 28 02 25 |.d.....Z|.(.q.(.%|
|00006300| 00 5a 05 44 61 76 65 3a | 00 a1 00 64 00 10 4f 4e |.Z.Dave:|...d..ON|
|00006310| 4c 4e 00 64 07 fd 02 1c | 00 7e 02 28 00 f5 00 29 |LN.d....|.~.(...)|
|00006320| 24 1f d2 48 65 79 2c 20 | 53 65 72 76 65 72 20 2d |$..Hey, |Server -|
|00006330| 20 49 d5 6d 20 73 74 69 | 6c 6c 20 68 65 72 65 21 | I.m sti|ll here!|
|00006340| d3 00 00 03 00 16 00 a1 | 00 64 00 10 4f 4e 4c 4e |........|.d..ONLN|
|00006350| 00 64 08 1d 02 1c 01 0e | 02 28 01 4a 00 29 90 0a |.d......|.(.J.)..|
|00006360| 41 54 50 52 65 71 75 65 | 73 74 00 03 00 14 00 a1 |ATPReque|st......|
|00006370| 00 64 00 10 4f 4e 4c 4e | 00 64 08 29 02 1c 01 7a |.d..ONLN|.d.)...z|
|00006380| 02 28 02 11 00 29 6c 27 | 44 61 76 65 20 6e 6f 74 |.(...)l'|Dave not|
|00006390| 69 63 65 73 20 74 68 61 | 74 20 74 68 65 20 69 6e |ices tha|t the in|
|000063a0| 74 65 72 76 61 6c 20 74 | 69 6d 65 20 69 73 20 00 |terval t|ime is .|
|000063b0| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 08 58 02 27 |...d..ON|LN.d.X.'|
|000063c0| 01 7a 02 33 01 f9 00 2a | 0b 1f 61 70 70 72 6f 61 |.z.3...*|..approa|
|000063d0| 63 68 69 6e 67 2c 20 61 | 6e 64 20 6d 61 6b 65 73 |ching, a|nd makes|
|000063e0| 20 61 20 74 69 63 6b 6c | 65 00 00 a1 00 64 00 10 | a tickl|e....d..|
|000063f0| 4f 4e 4c 4e 00 64 08 81 | 02 32 01 7a 02 3e 01 98 |ONLN.d..|.2.z.>..|
+--------+-------------------------+-------------------------+--------+--------+
Only 25.0 KB of data is shown above.