[RE] RMI


[ ´ÙÀ½ ±Ûµé ] [ À̾ ±Û¿Ã¸®±â(´äÇϱâ) ] [ ÀÚ¹Ù ¹¯°í ´äÇϱâ ]

±Û¾´ÀÌ :°íºÀ¼ö 1999³â 1¿ù 25ÀÏ 14:12:44

In Reply to: RMI °¡ µÆ¾î¿ä... ±×·±µ¥ Áú¹®ÀÌ posted by ±è»óÇõ on 1999³â 1¿ù 08ÀÏ 00:04:36:

¾Æ´Â°Ç ¾øÁö¸¸ Àúµµ RMI¸¦ °øºÎÇÏ´Â ÀÔÀå¿¡¼­ ¸îÀÚ Àû¾îº¾´Ï´Ù.


¿ì¼± DNS ¹®Á¦´Â, machineÀÌ DNS¿¡ µî·ÏµÇ¾î ÀÖÁö ¾ÊÀº °æ¿ì
IP address¸¦ »ç¿ëÇÏ¸é ¿¡·¯°¡ ¾øÀ»°Ì´Ï´Ù. Âü°í·Î, RMI »ç¿ë½Ã
rmiregistry ¸í·É¾î¸¦ »ç¿ëÇϴµ¥, ÀÌ ¿ªÇÒÀÌ ³×ÀÓ¼­¹öÇÏ°í ºñ½ÁÇÑ
°ÅÁÒ. ±×·±µ¥ ÀÌ°Ç DNSÇÏ°í´Â º°·Î »ó°üÀÌ ¾øÁÒ. ^^


±×¸®°í, ½ºÅÓÈ­ÀÏÀº remote callÀ» ÇÒ ‹š, remote method¿¡ ´ëÇÑ
interface ¿Í °°Àº ¿ªÇÒÀ» ÇÕ´Ï´Ù. ¿¹¸¦ µé¾î Ŭ¶óÀ̾ðÆ®¿Í ¼­¹ö
¾çÂÊ ¸ðµÎ°¡ ¼­·Î ¼­·Î¸¦ remote call ÇÑ´Ù¸é ¹°·Ð °¢°¢ rmic·Î
ÄÄÆÄÀÏÇÑ ?_stub.class È­ÀÏÀÌ ÇÊ¿äÇÏ°ÚÁÒ. ÀϹÝÀûÀÎ °æ¿ì¿Í °°ÀÌ
¼­¹öÂÊ¿¡¼­¸¸ remote call ¼­ºñ½º°¡ ±¸ÇöµÇ¾î ÀÖ´Ù¸é. ¼­¹öÂÊÀÇ
stubÈ­Àϸ¸ Ŭ¶óÀ̾ðÆ®ÂÊ¿¡ ÀÖÀ¸¸é µË´Ï´Ù. ¹°·Ð ¼­¹öÂÊ¿¡µµ ±×
½ºÅÓ È­ÀÏÀÌ ÀÖ¾î¾ß ÇÕ´Ï´Ù.


Ŭ¶óÀ̾ðÆ®ÂÊ¿¡ ½ºÅÓÈ­ÀÏÀÌ Á¸ÀçÇÏÁö ¾Ê¾Æµµ ¼öÇà½Ã¿¡ ¼­¹öÂÊ¿¡¼­
RMIClassLoader¸¦ ÅëÇؼ­ °¡Á®¿Í ¼öÇàÀ» ÇÏ´Â ¹æ¹ýµµ ÀÖ½À´Ï´Ù.
±×¸®°í jdk1.2¿¡¼­´Â ÀÌ·± °æ¿ì º°µµ·Î policyÈ­ÀÏÀ» ÀÛ¼ºÇؾß
ÇÕ´Ï´Ù. jdk.sun.com/docs/books/tutorial/rmi/running.html
¿¡ °¡¸é ³ª¿Í ÀÖ´Â ³»¿ëÀÔ´Ï´Ù.


°£´ÜÈ÷ Server¿Í ClientÂÊÀÇ ¼öÇà°úÁ¤À» Àû¾îº¸ÀÚ¸é...


ù°, ¼­¹öÂÊ¿¡¼­ ½ºÅÓÈ­ÀÏÀ» Á¢±ÙÇÒ¼ö ÀÖ´Â µð·ºÅ丮·Î À̵¿½ÃÄÑ
³õ¾Æ¾ß ÇÕ´Ï´Ù. ±×¸®°í ¼­¹ö ½ÇÇà½Ã ±×µð·ºÅ丮°¡ codebase¿¡ ÀâÇô
ÀÖ¾î¾ß Çϱ¸¿ä. ¾Æ·¡¿Í °°ÀÌ
1) CLASSPATH¸¦ ¸ÂÃá´Ù
2) javac test.java
3) rmid -d(°á°ú È­ÀÏ ÁöÁ¤ À§Ä¡) ~/public_html
4) unset CLASSPATH
5) rmiregistry& (winÀÇ °æ¿ì : start rmiregistry)
6) ´Ù½Ã CLASSPATH¸¦ ¸ÂÃá´Ù.
7) ½ÇÇàÇÑ´Ù. (¾Æ·¡)
java -Djava.rmi.server.codebae=http://xx.xx.xx.xx/~ÀÚ±â¾ÆÀ̵ð(ÀûÁ¤ÇÑ À§Ä¡)
-Djava.security.policy=java.policy test
À§¿¡¼­ codebase´Â stub°ú skelÀÌ ÀÖ´Â À§Ä¡¸¦ ³ªÅ¸³»°í
policy´Â º¸¾ÈÁ¤Ã¥À» ÁöÁ¤ÇÑ È­ÀÏÀ» ³ªÅ¸³»´Â °ÍÀ¸·Î Á÷Á¢
ÀÛ¼ºÇØ¾ß ÇÑ´Ù. ¾Æ·¡¿¡ °£´ÜÇÏ°Ô ¸¸µé¾î ³õÀ»Å×´Ï ÀÚ¼¼ÇÑ »çÇ×Àº
°øºÎ¿­½ÉÈ÷ Çؼ­ ¾Ë¾Æº¸µµ·Ï~~


µÑ°, Ŭ¶óÀ̾ðÆ®ÂÊ ½ÇÇà½Ã
1) CLASSPATH¸¦ ¸ÂÃá´Ù.
setenv CLASSPATH ÀÚ½ÅÀǸӽÅÀǵð·ºÅ丮:http://½ºÅÓÈ­ÀÏÀÌÀִ°÷
2) ¼öÇàÇÑ´Ù.
java -Djava.rmi.server.codebase=http://½ºÅÓÈ­ÀÏÀÌ Àִ°÷
-Djava.security.policy=java.policy
testClient

¼¼Â°, policyÈ­ÀÏÀÇ ¿¹. ´ÙÀ½À» java.policy·Î ÀúÀåÇÑ´Ù.


grant {
permission java.net.SocketPermission "*:1024-65535",
"connect,accept";
permission java.net.SocketPermission "*:80","cpnnect";
};


À§¿¡¼­ ¼ýÀÚ´Â Æ÷Æ®¹øÈ£¸¦ °¡¸®Å°´Âµ¥, ±× Æ÷Æ®¿¡ ´ëÇØ °³¹æÇÏ°Ú´Ù´Â
Àǹ̷Πº¸¸é µÈ´Ù.


ÀÚ¼¼ÇÑ »çÇ×Àº À§¿¡ ÀûÈù URL ÁÖº¯¿¡¼­ ã¾Æº¸¼¼¿ä~~
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