annotate Todo @ 404:4bb04d5a9bbf

minor fix
author one
date Tue, 25 Nov 2008 03:29:47 +0900
parents 29f01a7ce71f
children 0b1d52ffb803
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 Mon Nov 24 22:51:45 JST 2008
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2
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3 watingCommandInMerge のqueueを一旦0にしてから、manageを
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4 呼ぶと、queueが既にあるのに、lockが外れた状態になってしまう。
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5
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29f01a7ce71f INSERT_USER,DELETE_USER to distinguish user input
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6 watingCommandInMerge にforwardedCommandManageから入れちゃうと、
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7 User Editor Command と 一周して来てからのCommandを区別できない...
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8
404
4bb04d5a9bbf minor fix
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9 INSERT_USER/DELETE_USERを入れて回避。Editor側の変更も必要になるが、
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10 まぁ、仕方がない。
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11
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12 Wed Nov 19 19:21:47 JST 2008
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13
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14 ACK base に書き換えるのは良いが、途中でjoinして
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15 きたeditorが、ACKだけを受け取った時には無視する必要が
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16 ある。
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17
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18 Fri Oct 31 20:34:35 JST 2008
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19
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20 Note:
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21
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22 そもそも、NOPを付け加えるのがtrafficを増やしている。一周で
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23 は、状態が確定しないので、INSERT/INSERT_ACKで、それぞれ一周、
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24 計二周廻してやればいい。
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25 一週目で、そのコマンドを merge waiting queue にいれる
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26 二週目のAckコマンドを merge waiting queue と照合して、MERGE_STARTする
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27 で、良いんじゃないか? もちろん、editorにfowardして、戻って来た
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28 時点で判定する。
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29 Ackが戻って来た時点で、MERGE_STARTとみなして良い。
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30 何もなければ、MERGE_ENDを送り、コマンドがあれば、id=-2を送り、
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31 最後にMERGE_ENDを送る
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32 なので、MERGE_STARTも必要ない。これで、NOPを付け加えるのと、動作は
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33 同等になる。
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34
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35 ACK command はeditorでは実行しない。
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36
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37 ついでに、packet に source editor ID も付けるんじゃないか?
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38
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39 Tue Oct 28 09:50:23 JST 2008
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40 Todo: (kono)
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41 取り敢えず、動いたみたい。テスト用に、JavaなEditor + 複数のSession Manager
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42 + Auto Selector があると良いらしい。
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43
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44 Sun Oct 26 17:36:40 JST 2008
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45 Todo: (kono)
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46 GUI のEditorの方が、どれがどれだか、さっぱりわからない。
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47 せめて、sessionを持っているかとか出ないとだめっぽい。
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48
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49 Todo: (kono)
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50 なんか、NO_NAMEってのが最初に出るらしい。なんだ?
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51 Done: vim のsession 管理バッファがまだ残っていたようです。
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52 復活させてもいいかな〜
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53
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54 Todo: (kono)
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55 NOPが廻り続けるという症状があるらしい。
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56
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57 Todo: (kono)
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58 Optimizer が、まだ、たこならしい。
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59
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60 Sun Oct 26 14:33:51 JST 2008
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61 Todo: (kono)
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62 quit/close 処理が間違っているらしい。
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63
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64 Sat Oct 25 10:52:05 JST 2008
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65 Todo: (kono)
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66 Editorからのmutli-sessoin の扱い、TestEditor でのmulti-session
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67 の実装。REPNode.handle の中でreadしちゃうと、handle 間での処理
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68 の引き渡しが出来ない。handlerの切替えにkeyは必要。
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69
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70 一つのeditorの中で、同じsessionに複数selectすると、コマンドを
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71 判定出来なくなる。今でも、新しくchannelを開けるなら複数セッション
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72 をselectすることは可能。channelで識別しているので。
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73 新しいeditorが作られてしまうので、ダメなケースの判定は、直接接続し
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74 ているSMでしか出来ない。と言うことは、selectのcancelのprotocolが
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75 必要らしい。それは、結構、面倒。command に source editor id を
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76 付けてやれば良いのだが...
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77
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78 Todo: (kono)
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79 text editor のバッファが増えるバグがあるらしい。
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80 Done: たぶん、quit/quit2が動いてない。close の処理のがまずいせい。
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81 merge にbugがったので、そのせいかも。
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82
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83 Fri Oct 24 19:00:50 JST 2008
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84 Note:
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85 XML に editor がselectされているかどうかのflagがあった方が良い。
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86 現状では、update はなんにも役に立たない。
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87
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88 Thu Oct 23 10:31:58 JST 2008
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89
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90 Todo: (kono)
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91 UPDATE/UPDATE_ACKが出ない。
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92 Done: Fri Oct 24 19:00:50 JST 2008
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93
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94 Wed Oct 22 19:53:59 JST 2008
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95
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96 Todo: (kono)
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97 やっぱり、END_MERGEが繰り返し出るバグがあるらしい。
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98 Done: Thu Oct 23 10:12:27 JST 2008 merge confilict 時にmode setを
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99 忘れてました。
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100 結局、flag を入れて対症療法しました。
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101
373
ab4405cd3351 looks like we are done. Wait for further test.
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102 Wed Oct 22 02:31:27 JST 2008
ab4405cd3351 looks like we are done. Wait for further test.
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103
ab4405cd3351 looks like we are done. Wait for further test.
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104 Todo: (kono)
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105 editorの中で、next.getEID() とか next.setQuit2() とかやっているのは、
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106 ditributed の場合は、うまく動かない。だまって、forward されるはず
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107 だが... やっぱり、dummy editor ではなくて、専用のものを作らないと
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108 だめ?
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109 Done: Wed Oct 22 02:56:30 JST 2008
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110 ちょっとあれだが、next がdirecgtでない場合を判断して、向こうの
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111 forwarder側で処理するのが簡単らしい。
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112
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113 Todo: (kono)
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114 Select後のupdateを流してないので、他の人が、そのsessionがselectされたのを
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115 知り得ない。なので、複数のjoin_ackがありえる。
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116 Done: Sun Oct 26 17:39:05 JST 2008
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ab4405cd3351 looks like we are done. Wait for further test.
kono
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117
370
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118 Mon Oct 20 16:38:39 JST 2008
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119
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120 Todo: (kono)
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121 routing で put の時には、上に上がるだけで良いのだが、下に行くときには、
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122 routing table を持って行く必要がある。ということは、session list を
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123 つける必要があるということだね。でも、tree だから、
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124 自分の直下んあるもの以外は、上に送る
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125 で良いのか...
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126 Done: Wed Oct 22 02:56:30 JST 2008
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127
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128 Todo: (kono)
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129 put/put_ack は、udpateを兼ねる必要があるらしい。そうでないと、session list
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130 が広まらない。
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131 Done: Wed Oct 22 02:56:30 JST 2008
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132 session list 中のlocalでないeditorをselectするした場合は、sessionManager
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133 の方に再送してやれば良い。
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134 Done: Wed Oct 22 02:56:30 JST 2008
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135 SELECT0 を作成
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136
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137 Mon Oct 20 10:22:02 JST 2008
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138
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139 Todo: (kono)
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140 Inter-session での、editor の削除、master でないeditorのclose/quit。
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141
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142 Sun Oct 19 21:23:27 JST 2008
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143
364
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144 Todo: IPv6 対応 (kono)
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145 getAddress で取れたアドレスには、すべて、select/connect する
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146 必要がある。localhost な hostname よりも大域的なhostnameを
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147 優先した方が良い。
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148 Done: server 側は対応。server側のconnect がまだ。
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149
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150 Todo: dispatch先のEditorの作成 (kono)
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151
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152 Session は select 時に、channelを持つeditorが登録される。
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153 外から来た場合は、新しくeditor を作って、それをsession
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154 に登録する必要がある。SessionManagerの入口のforwarderを
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155 session に登録してしまうと、Sessionが一つの時にしか動かない。
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156
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157 put_ack は、putの時にすぐに出してしまって構わない。select_ack
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158 が廻るので、その時にput_ackを出しても良いが...
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159 Done: Sun Oct 19 23:10:52 JST 2008
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160
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161 Todo: (kono)
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162 複数のsessionのテストを作成する
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163
358
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164 Sat Oct 18 20:03:10 JST 2008
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165
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166 Todo: Routing Table (kono)
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167
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168 Routing Table (Session, Editor)を作るには、上下双方向の通信が必要。
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169 SessionID を master が作ると、一旦、multi cast した後、もう一度、
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170 上に上げる必要がある。Select の時には、editor から上に上がるので、
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171 その時に構築すれば良い。SessionManagerIDと組み合わせれば、eid/sid
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172 ともに、下から構築出来る。
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173
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174 自分が出したjoin/put/sm_joinに対するackかどうかを見るために、
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175 SessionManagerID は、どうせ必要。この方法だと、routing table
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176 もSessionManagerIDに対してだけ構築すれば良い。とは、ならない。
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177 Session は、複数のSessionManagerにまたがるので。
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178
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179 join_ack が来た時には、そのeditorのrouting tableは完成している、
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180 あるいは、select が完成させるjoin_ackに追い付くことはない。
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181 put_ack も同様。
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182
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183 select は、editorへのpathを探しながら、session routing table
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184 を構築する。もっとも高位のsession managerへのrouting table
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185 は、これで作成される。ここからjoinしたeditorまでのpathは、
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186 そのeditor単一のpathだが、routing table に登録される。
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187 select は、session ringに到達した時点で update を流す。
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188 update は、木をさかのぼりrouting tableを構築する。
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189 これで上方向のroutingは確定する。update_ackにより、
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190 下方向のsesionn routing tableが確定する。
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191 Done: Sun Oct 19 21:29:08 JST 2008
358
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192
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193 Wed Oct 15 13:33:58 JST 2008
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194
361
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195 Todo: (kono)
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196
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197 Session List を渡すタイミング
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198
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199 SM_JOIN_ACK (必須...)
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200 SM_JOIN では、Session List は0なはず。
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201 JOIN,PUT は、multi-cast されるので、その時に登録すれば良い。
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202 その時に、Session List を送っても良いが...
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203 SELECTは、joinするeditorからしか出ない。Session List は必要ない。
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204 SELECT_ACK は、UPDATEが出るので必要ない
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205 UPDATE,UPDATE_ACK には、Session List が付く
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206 GATHER,GATHER_ACK には、Session List が付く
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207
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208 Session List では、editor,session に対するroutingも作成する、必要
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209 な情報を含む必要がある。
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210 eid, EditorName, FileName, sid, SessionManagerName
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211 SessionManagerName が入っていれば、editor, session が
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212 Session Listが来た方向にいるということになる。
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213
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214 SessionManagerName は、network 上でuniqueな必要がある。
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215 sm_join した時に、そのchannelの名前が大域的に確定する。
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216 sm_join は複数行なわれないから、名前が変わることはない。
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217 sm_join された側の名前も、接続されて初めて確定する。
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218 複数 sm_join されることはあるが、その場合は最初のもの
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219 を使う。ということは、localにsm_join された後、大域的
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220 に接続される場合があるってことか。ってことは、やっぱり、
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221 session manager id を配布するべきだってことね。で、
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222 SMの名前はあくまでも補助的に使う。
361
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223 Done: Sun Oct 19 21:29:08 JST 2008
358
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224
361
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225 Todo: (kono)
358
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226 UPDATEの情報によって削除も行なう。delete entry が必要。
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227
361
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228 Todo: (kono)
358
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229 Routing Table
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230 <eid, channel>
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231 <sid, channel>
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232 null は、local。channel==parent なら、自分の下にはいない。
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233 Done: Sun Oct 19 21:29:08 JST 2008
358
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234
345
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235 Tue Oct 14 06:02:37 JST 2008
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236
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237 Todo: (kono)
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238 取りあえず、sm_join()からか。次は、join(),put()。そして、
361
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239 update()。select()。
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240 Done: Sun Oct 19 21:29:08 JST 2008
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241
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242 Todo: (kono)
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243 最後に、gather()。
345
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244
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245 Todo: (kono)
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246 Select用に、routing tableが必要らしい。session ringへの
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247 方向を表すtableを、put, update, update_ack時に作成する。
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248 Done: Sun Oct 19 21:29:08 JST 2008
345
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249
343
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250 Mon Oct 13 12:34:39 JST 2008
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251
344
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252 Todo: (kono)
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253 sm_join時のloop の検出。sm_joinを受け取った時には、sm接続にloopが
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254 あるかどうかを調べる必要がある。これのテストも必要。
345
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255 host_aからのsm_joinを受け取ったら、sm_join(host_a)を親に送る。
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256 host_aがsm_join(host_a)を受け取ったら、それはloop。親がsm_join
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257 を受け取れば、そこからsm_join_ackを流して終了。
361
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258 Done: Sun Oct 19 21:29:08 JST 2008
344
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259
343
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260 Note: (kono)
344
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261 複数のsession managerにsm_joinする場合もある。その場合は、
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262 親に代わりにsm_joinしてもらう? 親がreachableだとは限りませんが。
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263 禁止してもいいけど...
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264
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265 sessionを持っているsm同士がsm_joinするとsidを付け直す必要が
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266 ある。これは大変だなぁ。これも禁止? join/select待ちは許される。
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267 まぁ、新しくsmを上げれば良いだけなんだが、内部的になんとか出来ないの?
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268 面倒なので、取りあえず禁止で良いです。もしかして、updateって、
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269 それよう?
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270
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271 sidのnatという手はあるのか。かなり複雑だけど。それだと複数の親が
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272 いてもだいじょうぶか? ちゃんと書き換え出来るなら動くっぽい。あとで
345
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273 入れることも可能か。
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274
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275 selectが以外に難しい。sessionとjoinして来たeditorを見つけない
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276 といけない。しかも、最短距離で。見つけるだけなら簡単だが... 取りあえず、
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277 select は、join したsession managerでしか出来ないということに
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278 する。そうでないと、joinしたeditorを探す必要があり、全部を見るか、
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279 routing tableを作る必要がある。後者でも良いが。
344
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280
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281 Note: (kono)
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282 Session間の通信は、木を作って、自分の親に送り、親がack/updateをmulti cast
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283 すれば良い。sm_join した時に、どちらが親になるかはどうやって決める? 繋げた先が
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284 親ってのが簡単。親がいないのがmasterとなる。親が死んだら自分が親。親が死んで、
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kono
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285 sessionがmasterを失った時は? loop の検出も必要。
343
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286 再接続は可能? 可能だが、再put/join/selectする必要がある。
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kono
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287 put は、親まで上がってsidを決定しなければならない、その後、put_ackを出せる。
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288 joinは、localでの処理で問題ないが、join_ackはselectが終わってから出る必要がある。
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289 selectは session owner に行き着く必要がある。session がconnectionを
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290 持っているとは限らない。親がselectする方が自然か?
344
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291 put_ack/join_ack/select_ackは、updateを見てでの処理で良い? 対象イベント
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292 が明示されていた方が楽だが...
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293 この方法だと、session managerはidは持っていないが、木構造の中でuniqeな
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294 位置を持つ。
343
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kono
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295 (前の資料があれば良いのに...)
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kono
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296
341
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297 Mon Oct 13 02:57:45 JST 2008
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298 Todo: (kono)
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299 InterManagerのquit中のsessionへのjoinの扱い。(putは来ないがjoinはありえる)。
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kono
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300 UPDATEで、sessionをlockしてからquitするか?
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301 TestGUIで、selectする前にEditor0がquitしちゃう場合もある。
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302
343
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kono
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303 Todo: (kono)
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304 SessionManager間のプロトコルの図が、どこにもない。あんなに苦労して考えたのに。
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305 また、自分で書けってか。
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306  SessionManager SM_JOINと、masterの決定
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307  put/selectの生成、masterによるsession id の決定
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308 updateによるsessionの共有
345
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kono
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309 Done:Mon Oct 13 19:02:42 JST 2008 (kono)
343
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310
338
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kono
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311 Sun Oct 12 19:12:20 JST 2008
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kono
parents: 334
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312
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kono
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313 Todo: (kono)
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kono
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314 DELETE時のundoのための文字列は、SM/Editor間でだけ必要。Editorから戻って来た
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kono
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315 コマンドをSM側で最新にする必要がある。外に出す時には使わないので消して良い。
339
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kono
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316 Done: 戻って来た時に、unMergedListに入れているらしい
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kono
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317
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kono
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318 Todo: (kono)
341
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319 new String(hoge)。Javaの文字列は変更不可能なので、こんな
339
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kono
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320 ことをする意味はない。
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321 Done:
338
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322
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323 Todo: (kono)
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324 PUT の時に、master session managerまで行って、session番号を確定する
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325 必要がある。それまでは、PUT_ACKを出してはならない。
361
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326 Done: Sun Oct 19 21:29:08 JST 2008
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327 session manager IDを使ってuniqueにしたので、不要になった。
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328 即座に PUT_ACKを出して構わない。
338
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329
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330 Todo: (kono)
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331 SM_JOIN時にmaster session managerを決定するプロトコルを実装する必要が
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332 ある。たぶん、UPDATEだと思うが...
361
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333 Done: Sun Oct 19 21:29:08 JST 2008
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334 木の根をmasterとして、変更しない。
338
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335
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336 Todo: (kono)
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337 外から、きたSession Listを、ただしく自分に反映する。
361
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338 Done: Sun Oct 19 21:29:08 JST 2008
338
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339
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340 Todo: (kono)
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341 test.ServerSample.java はあるが、ClientSample.java がない。
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342
341
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343 Todo: (kono)
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344 SYNC出すコードをまだ入れてない。
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345
334
4fae49280699 Test pattern for Inter-Session Manager communication
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346 Sun Oct 12 10:33:36 JST 2008
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347
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348 Todo:
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349 END_MERGEが繰り返し出てしまう(kono)
361
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350 Done: Sun Oct 19 21:29:08 JST 2008
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351 直ったかな?
334
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352
330
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353 Sat Oct 11 22:28:49 JST 2008
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354
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355 Todo:
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356 Session Manager をまたがった接続のテスト (kono)
338
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357 Done: Sun Oct 12 19:18:23 JST 2008
330
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358
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359 Todo:
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360 Optimizerを使った場合のテスト (kono)
334
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361 行番号0があるとだめらしい。
386
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362 Done: (takano) Thu Oct 23 13:05:52 JST 2008
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363
330
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364
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365 Todo:
340
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366 manager.remove(editor) の動作のタイミング、 channel closeの扱い
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367 たぶん、quit2のackで、殺すのが正しいと思う。(kono)
341
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368 Done: Mon Oct 13 02:57:45 JST 2008
330
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369
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370
322
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371 Fri Oct 10 15:24:42 JST 2008
323
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372 sid は大域的にuniqueにする必要がある。UPDATEで新しくsessionを作ったことを
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373 通知して、Masterが新しいsidを決定し、UPDATE_ACKで他のSessionManagerに知らせる(kono)
361
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374 Done: Sun Oct 19 21:29:08 JST 2008
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375 put時に、そのsession managerでsession manager idを使って、
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376 uniqueなsidを作成する。put/join/ackで他のSessionManagerに知らせる。
322
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377
315
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378 Mon Oct 6 16:39:57 JST 2008
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379
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380 Todo: translator にある5つのqueueが、Editor にもある。merge のアルゴリズムの
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381 実装を見直す必要がある。(kono)
330
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382 Done:Sat Oct 11 22:28:49 JST 2008
315
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383
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384 Todo:
386
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385 SessionManager の向うにあるeditorにREPCommandを送るコードがない。Editor 扱いしても良いが、
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386 Editor が複雑すぎるので、それは好ましくない。Editor に nextChannelを持たせるのが良いか? (kono)
323
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387 Done: Forwarder を作った
315
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388
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389 Todo:
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390 SessionManger のeditor がmerge 中のeditor commandをblockするのは良いが、
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391 sessionManger コマンドをblockされるのは困る。(kono)
330
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392 Done: Sat Oct 11 22:28:49 JST 2008
305
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393
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394 Wed Oct 1 20:58:51 JST 2008
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395
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396 Todo: Session ring 廻るcommand packetは、基本的に書き換えられるべきではない
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397   eid, seq の組でuniqueになる。現状では、そここで書き換えが起きているらしい。
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398 eid = -1 (Session Manager), eid = -2 (MergeCommand) あたりが
315
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399 特殊らしい。 でも、実際には生成されてないっぽい。(kono)
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400 Done: Mon Oct 6 16:40:14 JST 2008 (kono)
305
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parents: 304
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401
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402 Todo: SessionManagerのprotocolのswitch文で、そこら中でgetEditor/getSessionが
315
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403   呼ばれている。これらは、for loopで探しているので、繰り返し行うのは変。(kono)
305
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404
315
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405 Todo: REPCMD_INSERTが止まらない... (kono)
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406 Done: Mon Oct 6 16:40:38 JST 2008 (kono)
305
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kono
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407
315
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408 Todo: SessionMnager のmessageをREPLogger baseに書き換える。 (kono)
386
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409 Done: Thu Oct 23 13:05:52 JST 2008
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410
300
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parents:
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411 Wed Oct 1 15:35:44 JST 2008
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parents:
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412
315
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413 Todo: SessionManager 複数のコマンドをまとめてeditorに送るとdead lockする
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414 可能性がある。送信キューを作り、select loop しながら、ひとつずつコマンドを
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kono
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415 送信する (kono)
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416 Done: (kono)
300
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parents:
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417
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kono
parents:
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418 Todo: Editor quit, quit2 の実装
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parents:
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419   quit2 では、自分の送信したコマンドが戻ってくるまで待つ必要がある。
315
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420   editor 毎の状態となる。(kono)
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421 Done: (kono)
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422