A2osX/SBIN/HTTPD.S.txt
2019-10-03 08:25:27 +02:00

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NEW
AUTO 3,1
.LIST OFF
.OP 65C02
.OR $2000
.TF SBIN/HTTPD
*--------------------------------------
.INB INC/MACROS.I
.INB INC/A2OSX.I
.INB INC/ETH.I
.INB INC/LIBTCPIP.I
.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
.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
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
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
>SYSCALL LoadLib
bcs .9
sta hLIBTCPIP
.9 rts
*--------------------------------------
CS.RUN jsr Init.Timeout
>LDYA L.MSG.TCPWAIT
>SYSCALL puts
.1 >SLEEP
>LIBCALL hLIBTCPIP,LIBTCPIP.GETCFG is TCPIP loaded ?
bcs .99
>STYA ZPIPCfgPtr
lda (ZPIPCfgPtr) Configured ?
bmi CS.RUN.INIT
jsr Wait.Timeout
bcs .99
ldy #S.PS.hStdIn
lda (pPs),y
>SYSCALL feof
bcs CS.RUN.RTS I/O err
tay
bne .1
>SYSCALL GetChar
bcs CS.RUN.RTS
cmp #$03
bne .1
>LDYA L.MSG.ABORT
>SYSCALL puts
lda #3
clc
rts
.99 >LDYA L.MSG.TCPIPERR
>SYSCALL puts
lda #E.SYN
sec
CS.RUN.RTS rts
CS.RUN.INIT ldx #3
ldy #S.IPCFG.IP+3
.1 lda (ZPIPCfgPtr),y
sta SA.LOCAL+S.SOCKADDR.ADDR,x
dey
dex
bpl .1
>PUSHBI 0 no protocol
lda #S.SOCKET.T.STREAM
>LIBCALL hLIBTCPIP,LIBTCPIP.Socket
bcs CS.RUN.ERR
>STA.G hSrvSocket
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
>LDYAI 512
>SYSCALL getmem
bcs CS.RUN.RTS
>STYA ZPLinePtr
txa
>STA.G hLineBuf
>LDYA L.MSG.INITOK
>SYSCALL puts
CS.RUN.LOOP >SLEEP
jsr CS.RUN.SERVER
bcs CS.RUN.ERR
bra CS.RUN.LOOP
.9 >LDYA L.MSG.SKTERR
>SYSCALL puts
lda #E.SYN
sec
CS.RUN.ERR rts
*--------------------------------------
CS.RUN.SERVER >LDA.G hSrvSocket
>LIBCALL hLIBTCPIP,LIBTCPIP.accept
bcs .8
>STA.G hClntSocket
>SYSCALL GetMemPtr
>STYA ZPSktPtr
ldx #3
ldy #S.SOCKET.REM.ADDR+3
.3 >PUSHB (ZPSktPtr),y
dey
dex
bpl .3
>PUSHB.G hClntSocket
>PUSHBI 5
>LDYA L.MSG.INCOMING
>SYSCALL printf
jsr CS.RUN.CLIENT
.8 clc
.9 rts
*--------------------------------------
CS.RUN.CLIENT
.1 >SLEEP
>PUSHWI 512
>PUSHW ZPLinePtr
>LDA.G hClntSocket
>LIBCALL hLIBTCPIP,LIBTCPIP.read
bcc .2
>PUSHYA
>PUSHBI 2
>LDYA L.MSG.DBG0
>SYSCALL printf
bra .8
.2 phy
ply
bne .3
pha
pla
beq .1
.3 phy
pha
>PUSHYA
>PUSHBI 2
>LDYA L.MSG.DBG1
>SYSCALL printf
pla
ply
>PUSHYA
>PUSHW ZPLinePtr
ldy #S.PS.hStdOut
lda (pPS),y
>SYSCALL fwrite
.7 >PUSHWI HTTP.200OK.len
>PUSHW L.HTTP.200OK
>LDA.G hClntSocket
>LIBCALL hLIBTCPIP,LIBTCPIP.write
.8 >LDA.G hClntSocket
>LIBCALL hLIBTCPIP,LIBTCPIP.Shutdown
clc
rts
*--------------------------------------
CS.DOEVENT lda (pEvent)
bpl .9 is it a TIMER event?
>LDA.G TimeOut
beq .9
dec
sta (pData),y
.9 sec do not discard TIMER event
rts
*--------------------------------------
CS.QUIT ldy #hSrvSocket
lda (pData),y
beq .3
>LIBCALL hLIBTCPIP,LIBTCPIP.Shutdown
.3 >LDA.G hLineBuf
beq .4
>SYSCALL FreeMem
.4 lda hLIBTCPIP
beq .8
>SYSCALL UnloadLib
.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
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"
MSG.DBG0 .AZ "read: ERROR %h\r\n"
MSG.DBG1 .AZ "read: %D bytes\r\n"
*--------------------------------------
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
HTTP.200OK.len .EQ *-HTTP.200OK
*--------------------------------------
SA.LOCAL .DA #AF.INET S.SOCKADDR.AF
.BS 1
.BS 4 S.SOCKADDR.ADDR
.DA TCP.PORT.HTTP
*--------------------------------------
.DUMMY
.OR 0
DS.START
hLineBuf .BS 1
hSrvSocket .BS 1
hClntSocket .BS 1
TimeOut .BS 1
DS.END
.ED
*--------------------------------------
MAN
SAVE USR/SRC/SBIN/HTTPD.S
ASM