home *** CD-ROM | disk | FTP | other *** search
MacBinary | 1994-10-19 | 30.9 KB | [ ONLN/HLX2]
open in: MacOS 8.1
extracted
|
Win98
extracted
|
DOS
extracted
browse contents |
view JSON data
|
view as text
This file was processed as: MacBinary
(archive/macBinary ).
Confidence Program Detection Match Type Support
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 key value 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.