A2osX/SBIN/HTTPD.S.txt
2018-11-17 18:17:13 +01:00

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NEW
PREFIX
AUTO 4,1
.LIST OFF
.OP 65C02
.OR $2000
.TF SBIN/HTTPD
*--------------------------------------
.INB INC/MACROS.I
.INB INC/A2OSX.I
.INB INC/LIBTCPIP.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 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.Socket .DA Socket
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.HTTP.200OK .DA HTTP.200OK
.DA 0
*--------------------------------------
CS.INIT >LDYA L.LIBTCPIP
>SYSCALL LoadLib
sta hLIBTCPIP
lda (pPs)
ora #S.PS.F.EVENT Now accept events
sta (pPs)
clc
rts
*--------------------------------------
CS.RUN jsr Init.Timeout
>LDYA L.MSG.TCPWAIT
>SYSCALL printf
.1 >LIBCALL hLIBTCPIP,LIBTCPIP.GET.IPCFG is TCPIP loaded ?
bcs .99
>STYA ZPIPCfgPtr
lda (ZPIPCfgPtr) Configured ?
bmi CS.RUN.INIT
>SLEEP
jsr Wait.Timeout
bcc .1
>SYSCALL GetChar
bcs .1
cmp #$03
bne .1
>LDYA L.MSG.ABORT
>SYSCALL printf
lda #0
clc
rts
.99 >LDYA L.MSG.TCPIPERR
>SYSCALL printf
lda #E.SYN
sec
CS.RUN.RTS rts
CS.RUN.INIT ldx #3
ldy #S.IPCFG.IP+3
.1 lda (ZPIPCfgPtr),y
sta Socket.Src.Addr,x
dey
dex
bpl .1
>PUSHW L.Socket
>LIBCALL hLIBTCPIP,LIBTCPIP.SKT.New
bcs CS.RUN.RTS
>STA.G hSrvSocket
>LDYAI 256
>SYSCALL getmem
bcs CS.RUN.RTS
>STYA ZPLinePtr
txa
>STA.G hLineBuf
>LDYA L.MSG.INITOK
>SYSCALL printf
CS.RUN.LOOP >SLEEP
jsr CS.RUN.SERVER
bcs CS.RUN.ERR
ldy #SktIndex
lda (pData),y
tay
lda (pData),y hSockets
beq .3
jsr CS.RUN.CLIENT
.3 ldy #SktIndex
lda (pData),y
inc
cmp #CONN.MAX
bne .4
lda #0
.4 sta (pData),y
bra CS.RUN.LOOP
.9 >LDYA L.MSG.SKTERR
>SYSCALL printf
lda #E.SYN
sec
rts
CS.RUN.ERR sec
rts
*--------------------------------------
CS.RUN.SERVER ldy #hSrvSocket
lda (pData),y
>LIBCALL hLIBTCPIP,LIBTCPIP.SKT.AcceptA
bcs .8
pha
ldy #hSockets
ldx #CONN.MAX
.1 lda (pData),y
beq .2
iny
dex
bne .1
pla
>LIBCALL hLIBTCPIP,LIBTCPIP.SKT.CloseA
bra .8
.2 pla
sta (pData),y
sta .4+1
>LIBCALL hLIBTCPIP,LIBTCPIP.SKT.GetA
>STYA ZPSktPtr
ldx #3
ldy #S.SOCKET.DST.ADDR+3
.3 >PUSHB (ZPSktPtr),y
dey
dex
bpl .3
.4 lda #$ff
>PUSHA
>LDYA L.MSG.INCOMING
>SYSCALL printf
.8 clc
.9 rts
*--------------------------------------
CS.RUN.CLIENT sta hClntSocket
>PUSHA hSocket
>PUSHW ZPLinePtr
>PUSHWI 256
>LIBCALL hLIBTCPIP,LIBTCPIP.SKT.GetS
bcs .1
>PUSHW ZPLinePtr
>SYSCALL printf
>PUSHB hClntSocket
>PUSHW L.HTTP.200OK
>LIBCALL hLIBTCPIP,LIBTCPIP.SKT.PutS
.1 clc
rts
*--------------------------------------
CS.DOEVENT sec
rts
*--------------------------------------
CS.QUIT ldx #CONN.MAX
ldy #hSockets
.1 lda (pData),y
beq .2
phx
phy
>LIBCALL hLIBTCPIP,LIBTCPIP.SKT.CLOSEA
ply
plx
.2 iny
dex
bne .1
ldy #hSrvSocket
lda (pData),y
>LIBCALL hLIBTCPIP,LIBTCPIP.SKT.CLOSEA
>LDA.G hLineBuf
beq .3
>SYSCALL FreeMem
.3 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
*--------------------------------------
LIBTCPIP .AZ "libtcpip.o"
MSG.TCPWAIT .AZ "HTTPD:Waiting for TCP/IP initializing...\r\n"
MSG.INITOK .AZ "HTTPD:Init Ok, Listening.\r\n"
MSG.TCPIPERR .AZ "HTTPD:TCP/IP Not initialized properly\r\n"
MSG.SKTERR .AZ "HTTPD:Listen Error\r\n"
MSG.ABORT .AZ "HTTPD:User Aborted\r\n"
MSG.INCOMING .AZ "HTTPD:Incoming Connection [SKT=%h] From : %d.%d.%d.%d\r\n"
hLIBTCPIP .BS 1
hClntSocket .BS 1
*--------------------------------------
HTTP.200OK .AZ "HTTP/1.1 200 OK\r\n"
*--------------------------------------
Socket .DA #S.SOCKET.T.STREAM
.DA #S.SOCKET.O.ACCEPTCONN
.DA #S.SOCKET.TCP.S.LISTEN
.BS 1
Socket.Src.Addr .BS 4
Socket.Src.Port .DA 80
Socket.Dst.Addr .BS 4
Socket.Dst.Port .BS 2
*--------------------------------------
.DUMMY
.OR 0
DS.START
hSockets .BS CONN.MAX pData
hLineBuf .BS 1
SktIndex .BS 1
hSrvSocket .BS 1
TimeOut .BS 1
DS.END
.ED
*--------------------------------------
MAN
SAVE USR/SRC/SBIN/HTTPD.S
ASM