A2osX/SBIN/HTTPD.S.txt

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2018-11-17 17:17:13 +00:00
PREFIX
AUTO 4,1
.LIST OFF
.OP 65C02
.OR $2000
2018-07-23 15:28:42 +00:00
.TF SBIN/HTTPD
*--------------------------------------
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.INB INC/MACROS.I
.INB INC/A2OSX.I
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.INB INC/ETH.I
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.INB INC/LIBTCPIP.I
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.INB INC/NET.HTTP.I
*--------------------------------------
TIMEOUT.MAX .EQ 30 30 sec.
CONN.MAX .EQ 16
*--------------------------------------
ZPIPCfgPtr .EQ ZPBIN
ZPSktPtr .EQ ZPBIN+2
ZPLinePtr .EQ ZPBIN+4
*--------------------------------------
* File Header (16 Bytes)
*--------------------------------------
CS.START cld
jmp (.1,x)
.DA #$61 6502,Level 1 (65c02)
.DA #1 BIN Layout Version 1
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.DA #S.PS.F.EVENT
.DA #0
.DA CS.END-CS.START CS
.DA DS.END-DS.START DS
.DA #64 SS
.DA #6 ZP
.DA 0
*--------------------------------------
* Relocation Table
*--------------------------------------
.1 .DA CS.INIT
.DA CS.RUN
.DA CS.DOEVENT
.DA CS.QUIT
L.LIBTCPIP .DA LIBTCPIP
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L.SA.Local .DA SA.Local
L.MSG.TCPWAIT .DA MSG.TCPWAIT
L.MSG.INITOK .DA MSG.INITOK
L.MSG.TCPIPERR .DA MSG.TCPIPERR
L.MSG.SKTERR .DA MSG.SKTERR
L.MSG.ABORT .DA MSG.ABORT
L.MSG.INCOMING .DA MSG.INCOMING
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L.MSG.DBG0 .DA MSG.DBG0
L.MSG.DBG1 .DA MSG.DBG1
L.HTTP.200OK .DA HTTP.200OK
.DA 0
*--------------------------------------
CS.INIT >LDYA L.LIBTCPIP
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>SYSCALL LoadLib
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bcs .9
sta hLIBTCPIP
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.9 rts
*--------------------------------------
CS.RUN jsr Init.Timeout
>LDYA L.MSG.TCPWAIT
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>SYSCALL puts
.1 >SLEEP
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>LIBCALL hLIBTCPIP,LIBTCPIP.GETCFG is TCPIP loaded ?
bcs .99
>STYA ZPIPCfgPtr
lda (ZPIPCfgPtr) Configured ?
bmi CS.RUN.INIT
jsr Wait.Timeout
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bcs .99
ldy #S.PS.hStdIn
lda (pPs),y
>SYSCALL feof
bcs CS.RUN.RTS I/O err
tay
beq .1
>SYSCALL GetChar
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bcs CS.RUN.RTS
cmp #$03
bne .1
>LDYA L.MSG.ABORT
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>SYSCALL printf
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lda #3
clc
rts
.99 >LDYA L.MSG.TCPIPERR
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>SYSCALL puts
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lda #E.SYN
sec
CS.RUN.RTS rts
CS.RUN.INIT ldx #3
ldy #S.IPCFG.IP+3
.1 lda (ZPIPCfgPtr),y
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sta SA.LOCAL+S.SOCKADDR.ADDR,x
dey
dex
bpl .1
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>PUSHBI 0 no protocol
lda #S.SOCKET.T.STREAM
>LIBCALL hLIBTCPIP,LIBTCPIP.Socket
bcs CS.RUN.ERR
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>STA.G hSrvSocket
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pha
>PUSHW L.SA.LOCAL
pla
>LIBCALL hLIBTCPIP,LIBTCPIP.Bind
bcs CS.RUN.ERR
>LDA.G hSrvSocket
>LIBCALL hLIBTCPIP,LIBTCPIP.Listen
bcs CS.RUN.ERR
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>LDYAI 512
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>SYSCALL getmem
bcs CS.RUN.RTS
>STYA ZPLinePtr
txa
>STA.G hLineBuf
>LDYA L.MSG.INITOK
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>SYSCALL printf
CS.RUN.LOOP >SLEEP
jsr CS.RUN.SERVER
bcs CS.RUN.ERR
bra CS.RUN.LOOP
.9 >LDYA L.MSG.SKTERR
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>SYSCALL printf
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lda #E.SYN
sec
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CS.RUN.ERR rts
*--------------------------------------
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CS.RUN.SERVER >LDA.G hSrvSocket
>LIBCALL hLIBTCPIP,LIBTCPIP.accept
bcs .8
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>STA.G hClntSocket
>SYSCALL GetMemPtr
>STYA ZPSktPtr
ldx #3
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ldy #S.SOCKET.REM.ADDR+3
.3 >PUSHB (ZPSktPtr),y
dey
dex
bpl .3
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>PUSHB.G hClntSocket
>PUSHBI 5
>LDYA L.MSG.INCOMING
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>SYSCALL printf
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jsr CS.RUN.CLIENT
.8 clc
.9 rts
*--------------------------------------
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CS.RUN.CLIENT
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.1 >SLEEP
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>PUSHWI 512
>PUSHW ZPLinePtr
>LDA.G hClntSocket
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>LIBCALL hLIBTCPIP,LIBTCPIP.read
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bcc .2
>PUSHYA
>PUSHBI 2
>LDYA L.MSG.DBG0
>SYSCALL printf
bra .8
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.2 phy
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ply
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bne .3
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pha
pla
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beq .1
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.3 phy
pha
>PUSHYA
>PUSHBI 2
>LDYA L.MSG.DBG1
>SYSCALL printf
pla
ply
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>PUSHYA
>PUSHW ZPLinePtr
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ldy #S.PS.hStdOut
lda (pPS),y
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>SYSCALL fwrite
.7 >PUSHWI HTTP.200OK.len
>PUSHW L.HTTP.200OK
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>LDA.G hClntSocket
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>LIBCALL hLIBTCPIP,LIBTCPIP.write
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.8 >LDA.G hClntSocket
>LIBCALL hLIBTCPIP,LIBTCPIP.Shutdown
clc
rts
*--------------------------------------
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CS.DOEVENT lda (pEvent)
bpl .9 is it a TIMER event?
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>LDA.G TimeOut
beq .9
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dec
sta (pData),y
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.9 sec do not discard TIMER event
rts
*--------------------------------------
CS.QUIT ldy #hSrvSocket
lda (pData),y
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beq .3
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>LIBCALL hLIBTCPIP,LIBTCPIP.Shutdown
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.3 >LDA.G hLineBuf
beq .4
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>SYSCALL FreeMem
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.4 lda hLIBTCPIP
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beq .8
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>SYSCALL UnloadLib
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.8 clc
rts
*--------------------------------------
Init.Timeout ldy #TimeOut
lda #TIMEOUT.MAX
sta (pData),y
rts
*--------------------------------------
Wait.TimeOut sec
ldy #TimeOut
lda (pData),y
beq .9
clc
.9 rts
*--------------------------------------
CS.END
*--------------------------------------
hLIBTCPIP .BS 1
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LIBTCPIP .AZ "libtcpip"
MSG.TCPWAIT .AZ "HTTPD:Waiting for TCP/IP initializing..."
MSG.INITOK .AZ "HTTPD:Init Ok, Listening."
MSG.TCPIPERR .AZ "HTTPD:TCP/IP Not initialized properly."
MSG.SKTERR .AZ "HTTPD:Listen Error."
MSG.ABORT .AZ "HTTPD:User Aborted."
MSG.INCOMING .AZ "HTTPD:Incoming Connection [SKT=%h] From : %d.%d.%d.%d\r\n"
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MSG.DBG0 .AZ "read: ERROR %h\r\n"
MSG.DBG1 .AZ "read: %D bytes\r\n"
*--------------------------------------
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HTTP.200OK .AS "HTTP/1.1 200 OK"
.DA #C.CR,#C.LF
.AS "Server: A2osX-HTTPD 0.92"
.DA #C.CR,#C.LF
.AS "Content-Type: text/html"
.DA #C.CR,#C.LF
.AS "Content-Length: 34"
.DA #C.CR,#C.LF
.AS "Connection: Close"
.DA #C.CR,#C.LF
.DA #C.CR,#C.LF
.AS "<HTML><BODY>Hello!</BODY></HTML>"
.DA #C.CR,#C.LF
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HTTP.200OK.len .EQ *-HTTP.200OK
*--------------------------------------
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SA.LOCAL .DA #AF.INET S.SOCKADDR.AF
.BS 1
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.BS 4 S.SOCKADDR.ADDR
.DA TCP.PORT.HTTP
*--------------------------------------
.DUMMY
.OR 0
DS.START
hLineBuf .BS 1
hSrvSocket .BS 1
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hClntSocket .BS 1
TimeOut .BS 1
DS.END
.ED
*--------------------------------------
MAN
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SAVE USR/SRC/SBIN/HTTPD.S
ASM