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ÀÌ ÀÎÅÍÆäÀ̽º´Â ¼ÒÄÏ ½ºÆ®¸² ¿¬°áÀ» Á¤ÀÇÇÕ´Ï´Ù.
¼ÒÄÏÀº È£½ºÆ®¿Í Æ÷Æ® ¹øÈ£°¡ ¸í½ÃÀûÀ¸·Î
ÁöÁ¤µÈ ÀÏ¹Ý ¿¬°á ¹®ÀÚ¿À» »ç¿ëÇÏ¿© ¾×¼¼½ºÇÕ´Ï´Ù.
È£½ºÆ®´Â Á¤±ÔÈµÈ È£½ºÆ® À̸§À̳ª IPv4 ¹øÈ£·Î ÁöÁ¤ÇÒ ¼ö ÀÖ½À´Ï´Ù.
¿¹¸¦ µé¾î, socket://host.com:79
´Â
host.com
½Ã½ºÅÛÀÇ Æ÷Æ® 79
¿¡ ÀÖ´Â
´ë»ó ¼ÒÄÏÀ» Á¤ÀÇÇÕ´Ï´Ù.
RFC1900¿¡¼´Â IP ¹øÈ£¸¦ ÀçÇÒ´çÇÏ´Â °æ¿ì ÃÖ»óÀÇ °á°ú¸¦ ¾ò±â À§ÇØ IP ¹øÈ£ ´ë½Å À̸§À» »ç¿ëÇϵµ·Ï ±ÇÀåÇÕ´Ï´Ù.
¸ðµç StreamConnection
˼
Connection
°´Ã¼´Â ¹°·Ð ÀÌ ¿¬°á°ú °ü·ÃµÈ I/O¸¦ ó¸®ÇÏ´Â
InputStream
°ú OutputStream
À» Á¦°øÇÕ´Ï´Ù.
°¢ ÀÎÅÍÆäÀ̽º¿¡´Â ÀÚü close()
¸Þ¼Òµå°¡ ÀÖ½À´Ï´Ù.
¼ÒÄÏ ¿¬°áÀ» ÅëÇÑ ÀÌÁß Åë½ÅÀ» Áö¿øÇÏ´Â ½Ã½ºÅÛ¿¡¼
ÀÔ·Â ¶Ç´Â Ãâ·Â ½ºÆ®¸²À» ´ÝÀ» °æ¿ì ¿¬°áÀÇ ÇØ´ç ºÎºÐ¸¸ ´ÝÈ÷´Â °ÍÀÌ ÁÁ½À´Ï´Ù.
¿¹¸¦ µé¾î, InputStream
À» ´ÝÀ¸¸é
OutputStream
Àº °è¼Ó µ¥ÀÌÅ͸¦ º¸³¾ ¼ö ÀÖ½À´Ï´Ù.
ÀÔ·Â ¶Ç´Â Ãâ·Â ½ºÆ®¸²ÀÌ ´ÝÈù °æ¿ì ´Ù½Ã ¿·Á¸é
Connector.open()
À» È£ÃâÇØ¾ß ÇÕ´Ï´Ù.
½ºÆ®¸²À» ´Ù½Ã ¿·Á´Â ½Ãµµ°¡ ÀÖÀ¸¸é ÀÀ¿ë ÇÁ·Î±×·¥¿¡¼ IOException
À» ¹Þ°Ô µË´Ï´Ù.
URI´Â ¾Æ·¡¿¡ ÁöÁ¤µÈ BNF ±¸¹®°ú ÀÏÄ¡ÇØ¾ß ÇÕ´Ï´Ù.
URI°¡ ÀÌ ±¸¹®¿¡ ÀÏÄ¡ÇÏÁö ¾ÊÀ¸¸é
IllegalArgumentException
ÀÌ ¹ß»ýÇÕ´Ï´Ù.
<socket_connection_string> | ::= "socket://"<hostport> |
<hostport> | ::= È£½ºÆ® ":" Æ÷Æ® |
<host> | ::= È£½ºÆ® À̸§ ¶Ç´Â IP ÁÖ¼Ò(Àιٿîµå ¿¬°áÀÇ °æ¿ì »ý·«µÊ. ServerSocketConnection ÂüÁ¶) |
<port> | ::= ¼ýÀÚ Æ÷Æ® ¹øÈ£ |
¾Æ·¡ ¿¹¿¡¼´Â SocketConnectionÀ» »ç¿ëÇÏ¿© »ùÇà ·çÇÁ¹é ÇÁ·Î±×·¥¿¡ ¾×¼¼½ºÇÏ´Â ¹æ¹ýÀ» º¸¿© ÁÝ´Ï´Ù.
SocketConnection sc = (SocketConnection) Connector.open("socket://host.com:79"); sc.setSocketOption(SocketConnection.LINGER, 5); InputStream is = sc.openInputStream(); OutputStream os = sc.openOutputStream(); os.write("\r\n".getBytes()); int ch = 0; while(ch != -1) { ch = is.read(); } is.close(); os.close(); sc.close();
Field Summary | |
static byte |
DELAY
ÀÛÀº ¹öÆÛ ¾²±â Áö¿¬À» À§ÇÑ ¼ÒÄÏ ¿É¼Ç(0). |
static byte |
KEEPALIVE
¿¬°á À¯Áö ±â´ÉÀ» À§ÇÑ ¼ÒÄÏ ¿É¼Ç(2). |
static byte |
LINGER
º¸·ù ÁßÀÎ µ¥ÀÌÅÍ Ãâ·Â°úÀÇ ¿¬°áÀ» ´Ý±â Àü¿¡ ´ë±âÇÒ ÃÊ ´ÜÀ§ Áö¿¬ ½Ã°£À» À§ÇÑ ¼ÒÄÏ ¿É¼Ç(1). |
static byte |
RCVBUF
¼ö½Å ¹öÆÛÀÇ Å©±â¸¦ À§ÇÑ ¼ÒÄÏ ¿É¼Ç(3). |
static byte |
SNDBUF
Àü¼Û ¹öÆÛÀÇ Å©±â¸¦ À§ÇÑ ¼ÒÄÏ ¿É¼Ç(4). |
Method Summary | |
String |
getAddress()
¼ÒÄÏÀÌ ¹Ù¿îµåµÇ´Â ¿ø°Ý ÁÖ¼Ò¸¦ °¡Á®¿É´Ï´Ù. |
String |
getLocalAddress()
¼ÒÄÏÀÌ ¹Ù¿îµåµÇ´Â ·ÎÄà ÁÖ¼Ò¸¦ °¡Á®¿É´Ï´Ù. |
int |
getLocalPort()
ÀÌ ¼ÒÄÏÀÌ ¹Ù¿îµåµÇ´Â ·ÎÄà Æ÷Æ®¸¦ ¹ÝȯÇÕ´Ï´Ù. |
int |
getPort()
ÀÌ ¼ÒÄÏÀÌ ¹Ù¿îµåµÇ´Â ¿ø°Ý Æ÷Æ®¸¦ ¹ÝȯÇÕ´Ï´Ù. |
int |
getSocketOption(byte option)
¿¬°á¿¡ ´ëÇÑ ¼ÒÄÏ ¿É¼ÇÀ» °¡Á®¿É´Ï´Ù. |
void |
setSocketOption(byte option,
int value)
¿¬°á¿¡ ´ëÇÑ ¼ÒÄÏ ¿É¼ÇÀ» ¼³Á¤ÇÕ´Ï´Ù. |
Methods inherited from interface javax.microedition.io.InputConnection |
openDataInputStream, openInputStream |
Methods inherited from interface javax.microedition.io.Connection |
close |
Methods inherited from interface javax.microedition.io.OutputConnection |
openDataOutputStream, openOutputStream |
Field Detail |
public static final byte DELAY
public static final byte LINGER
public static final byte KEEPALIVE
public static final byte RCVBUF
public static final byte SNDBUF
Method Detail |
public void setSocketOption(byte option, int value) throws IllegalArgumentException, IOException
ÀÌ·¯ÇÑ ¿É¼ÇÀº ¼ÒÄÏ ¿¬°á ó¸® ½Ã ÀǵµµÈ ÀÀ¿ë ÇÁ·Î±×·¥ÀÇ »ç¿ë ÆÐÅÏ¿¡ ´ëÇÑ Àú±Þ ³×Æ®¿öÅ· Äڵ带 ¾Ë·ÁÁÝ´Ï´Ù.
setSocketOption
À» È£ÃâÇÏ¿© ¹öÆÛ Å©±â¸¦ ÇÒ´çÇϸé
±âº» ³×Æ®¿öÅ© I/O ¹öÆÛ¸¦ ¼³Á¤ÇÒ Å©±â¸¦
Ç÷§Æû¿¡ ¾Ë·ÁÁÖ°Ô µË´Ï´Ù.
getSocketOption
À» È£ÃâÇÏ¸é ½Ã½ºÅÛ¿¡¼
»ç¿ë ÁßÀÎ Å©±â¸¦ È®ÀÎÇÒ ¼ö ÀÖ½À´Ï´Ù.
½Ã½ºÅÛÀº ÇöÀç ³×Æ®¿öÅ© Á¤º¸¿¡¼ Á¦°øÇÏ´Â
ÃÖ´ë Àü¼Û ´ÜÀ§(MTU)¿Í
ÃÖ´ë ¼¼±×¸ÕÆ® Å©±â(MSS) µ¥ÀÌÅÍ¿¡ µû¶ó
󸮷®À» ´Ã¸®±â À§ÇØ ¹öÆÛ Å©±â¸¦ Á¶Á¤ÇÒ ¼öµµ ÀÖ½À´Ï´Ù.
option
- ¼ÒÄÏ ¿É¼Ç ½Äº°ÀÚ(KEEPALIVE, LINGER,
SNDBUF, RCVBUF ¶Ç´Â DELAY)value
- ÁöÁ¤µÈ ¿É¼ÇÀÇ ¼ýÀÚ °ª
IllegalArgumentException
- °ªÀÌ
À¯È¿ÇÏÁö ¾Ê°Å³ª(¿¹: À½¼ö °ª)
¿É¼Ç ½Äº°ÀÚ°¡ À¯È¿ÇÏÁö ¾ÊÀº °æ¿ì
IOException
- ¿¬°áÀÌ ´ÝÈù °æ¿ìgetSocketOption(byte)
public int getSocketOption(byte option) throws IllegalArgumentException, IOException
option
- ¼ÒÄÏ ¿É¼Ç ½Äº°ÀÚ(KEEPALIVE, LINGER,
SNDBUF, RCVBUF ¶Ç´Â DELAY)
IllegalArgumentException
- ¿É¼Ç ½Äº°ÀÚ°¡
À¯È¿ÇÏÁö ¾ÊÀº °æ¿ì
IOException
- ¿¬°áÀÌ ´ÝÈù °æ¿ìsetSocketOption(byte, int)
public String getLocalAddress() throws IOException
¿ÜºÎ ½Ã½ºÅÛ¿¡¼ ÀÌ ¼ÒÄÏ ¿¬°á Á¾Á¡¿¡ ¿¬°áÇÏ´Â µ¥ »ç¿ëÇÒ ¼ö Àִ ȣ½ºÆ® ÁÖ¼Ò(IP ¹øÈ£). IP ÁÖ¼Ò´Â µ¿ÀûÀ¸·Î ÇÒ´çµÉ ¼ö ÀÖÀ¸¹Ç·Î IP ¹øÈ£ ÀçÇÒ´ç ½Ã ¿ø°Ý ÀÀ¿ë ÇÁ·Î±×·¥ÀÌ °ß°íÇØ¾ß ÇÕ´Ï´Ù.
·ÎÄà ȣ½ºÆ® À̸§(»ç¿ë °¡´ÉÇÑ °æ¿ì)Àº
System.getProperty("microedition.hostname")
¿¡¼ ¾×¼¼½ºÇÒ ¼ö ÀÖ½À´Ï´Ù.
IOException
- ¿¬°áÀÌ ´ÝÈù °æ¿ìServerSocketConnection
public int getLocalPort() throws IOException
IOException
- ¿¬°áÀÌ ´ÝÈù °æ¿ìServerSocketConnection
public String getAddress() throws IOException
IOException
- ¿¬°áÀÌ ´ÝÈù °æ¿ìpublic int getPort() throws IOException
IOException
- ¿¬°áÀÌ ´ÝÈù °æ¿ì
|
MID ÇÁ·ÎÇÊ | ||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | ||||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |