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±Û¾´ÀÌ :ÀÌ¿ø¿µ 1998³â 12¿ù 08ÀÏ 14:04:20

In Reply to: ÈæÈæ..Àß ¾ÈµÇ´Â°É¿ä...T_T posted by Á¤Çý.. on 1998³â 12¿ù 03ÀÏ 15:40:08:

(¹Ù»ÛÀÏÀÌ À־ ´äº¯ÀÌ ´Ê¾ú½À´Ï´Ù. ¿ë¼­Çϼ¼¿ä...)



¾Õ¼± ±Û¿¡¼­ 1.[°æ¿ì1] ... ºÎºÐ¿¡¼­ ÀûÀº ±ÛÀº ±×¿Í °°Àº ¹æ½ÄÀ¸·Î »ç¿ëÇ϶ó´Â
¿¹ÀÏ »ÓÀ̱¸¿ä...
½ÇÁ¦ ÇÁ·Î±×·¥ ¼Ò½º´Â 2.[°æ¿ì2] ºÎºÐ ÀÌÈÄ¿¡ ³ª¿À´Â
HelloInterface.java,
HelloServer.java,
HelloApplet.java
ÀÔ´Ï´Ù.



1. RMI Registry PORT
RMI ¼­¹ö Object¿¡ ´ëÇÑ Á¤º¸¸¦ ÀúÀåÇÏ°í Client°¡ ¿äûÀÌ µé¾î¿À¸é
ÇØ´ç RMI ObejctÀÇ Reference¸¦ ³Ñ°ÜÁÖ´Â ¿ªÇÒÀ» ÇÏ´Â °ÍÀÌ rmiregistry
ÀÔ´Ï´Ù.
RMI Registry´Â µÎ°¡Áö ¹æ¹ýÀ¸·Î »ç¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù.
1.1 ¸í½ÃÀûÀÎ Booting
RMI ¼­¹ö Object¸¦ ½ÇÇàÇϱâ Àü¿¡ ¸í½ÃÀûÀ¸·Î Registry¸¦ ¶ç¿ì´Â ¹æ¹ýÀÔ´Ï´Ù.
Unix¿¡¼­´Â rmiregistry & ¸¦ »ç¿ëÇÏ¸é µÇ°í,
DOS(Windows95/NT)¿¡¼­´Â start rmiregistry ¸¦ ÇÏ¸é µÇÁö¿ä.
µðÆúÆ® PORT´Â 1099¹øÀ» »ç¿ëÇÕ´Ï´Ù.
Ưº°È÷ ÀڽŸ¸ÀÇ PORT¸¦ »ç¿ëÇϽ÷Á¸é rmiregistry 7942 & µî°ú °°Àº ¹æ¹ýÀ¸·Î
»ç¿ëÇÕ´Ï´Ù.
¸¸¾à Default Port(1099)·Î rmiregistry&·Î ¶ç¿ì½Ã¸é
RMI Server Binding½Ã¿¡´Â
"rmi://165.244.227.233:1099/HelloServer" ´ë½Å
"HelloServer"¿Í °°ÀÌ °£´ÜÈ÷ »ç¿ëÇÒ ¼ö ÀÖ°í,
Client¿¡¼­µµ Server RMI Object¸¦ lookup½Ã¿¡
"rmi://165.244.227.233:1099/HelloServer" ´ë½Å
"rmi://165.244.227.233/HelloServer"·Î »ç¿ëÇÒ ¼ö ÀÖÁö¿ä.


(ÀÌ ¸ðµç °æ¿ì¿¡ "rmi:"´Â »ý·« °¡´ÉÇÕ´Ï´Ù.)


1.2 RMI Object°¡ ¶ã¶§ °°ÀÌ ¶ç¿ì´Â ¹æ¹ý
ÀÌ ¹æ¹ýÀº ¾Õ¼± ¿¹Á¦ HelloServer.java¿¡ ÀÖ´Â ¹æ¹ýÀÔ´Ï´Ù.
´ÙÀ½ ó·³ java Program¿¡¼­ »ç¿ëÇÏÁö¿ä..
LocateRegistry.createRegistry(7942);
Unix¿¡¼­´Â root±ÇÇÑÀÌ ¾Æ´Ò°æ¿ì 1024º¸´Ù Å« PORT ¹øÈ£¸¦ »ç¿ëÇÏ¼Å¾ß ÇÕ´Ï´Ù.
ÇϳªÀÇ PORT·Î´Â ÇϳªÀÇ Registry¸¸ ¶ç¿ï ¼ö ÀÖ½À´Ï´Ù.
(¹°·Ð ÇϳªÀÇ Registry¿¡´Â ¿©·¯°³ÀÇ RMI Object¸¦ µî·ÏÇÒ ¼ö ÀÖÁö¿ä)



2. YourOwnRemoteServer ??
¾Õ¼± ±Û¿¡¼­ 1.[°æ¿ì1] ... ºÎºÐ¿¡¼­ ÀûÀº ±ÛÀº ±×¿Í °°Àº ¹æ½ÄÀ¸·Î »ç¿ëÇ϶ó´Â
¿¹±¸¿ä...
½ÇÁ¦ ÇÁ·Î±×·¥ ¼Ò½º´Â 2.[°æ¿ì2] ºÎºÐ ÀÌÈÄ¿¡ ³ª¿À´Â
HelloInterface.java,
HelloServer.java,
HelloApplet.java
ÀÔ´Ï´Ù.
°á±¹ YourOwnRemoteServer´Â ÀÌ "RMI Hello"¿¹Á¦¿¡¼­´Â 'HelloServer'°¡
µÇ´Â °ÅÁö¿ä..
Áï, Remote¶ó´Â Interface¸¦ ±¸ÇöÇÑ(Implements) °´Ã¼¸¦ ¸»ÇÏ´Â °Ì´Ï´Ù.


3. properties.put("java.rmi.server.hostname", thisHost);¿¡¼­ "hostname"¿¡
¹» Àû¾îÁֳı¸¿ä?
"ÀÌ ÀÚü ±×´ë·Î »ç¿ëÇϽô °Ì´Ï´Ù.!!"
RMI Registry°¡ ±âµ¿µÉ ¶§ ¸î°¡Áö ȯ°æº¯¼ö¸¦ »ç¿ëÇϴµ¥, ±× ÁßÀÇ ÇϳªÀÔ´Ï´Ù.
¸¸¾à WebServer°¡ ÀÖ´Â ¸Ó½Å(Áï RMI¼­¹ö¸¦ ¶ç¿ï ¸Ó½Å)ÀÇ IP Address°¡
165.244.227.233À̶ó¸é,
properties.put("java.rmi.server.hostname", "165.244.227.233");
ÀÌ·¸°Ô »ç¿ëÇÏ´Â °ÅÁö¿ä..
(NOTE:ÀÌ °ÍÀº RMI ServerÃø¿¡¼­ »ç¿ëÇÏ´Â °Ì´Ï´Ù.)


Âü°í·Î ÀÌ ¿Ü¿¡µµ RMI Property¿¡´Â
java.rmi.server.codebase,
java.rmi.server.disableHttp,
java.rmi.dgc.leaseValue,
java.rmi.server.logCalls,
java.rmi.server.useCodebaseOnly µîµîÀÌ ÀÖ½À´Ï´Ù.
RMI ȯ°æº¯¼ö´Â ¾Æ·¡¿¡¼­ ÀÚ¼¼È÷ È®ÀÎÇÒ ¼ö ÀÖ½À´Ï´Ù.
http://java.sun.com:80/products/jdk/1.1/docs/guide/rmi/spec/rmi-properties.doc.html#4746


================================================
ÀÌ¿ø¿µ(wyounglee@lgeds.lg.co.kr)
LG-EDS Systems, Solution team.
236-1, Hyosung-2dong, Kyeyang-gu, Inchun,
407-042, KOREA
Phone:(82-32)540-5243, Fax:(82-32)540-5402
PCS:019-310-7324
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