A2osX/SBIN/HTTPD.S.txt

PR#3
PREFIX /A2OSX.BUILD
NEW
INC 1
AUTO 6
				.LIST OFF
				.OP	65C02
				.OR	$2000
				.TF /A2OSX.BUILD/SBIN/HTTPD
*--------------------------------------
				.INB /A2OSX.BUILD/INC/MACROS.I
				.INB /A2OSX.BUILD/INC/A2OSX.I
				.INB /A2OSX.BUILD/INC/LIBTCPIP.I
*--------------------------------------
TIMEOUT.MAX		.EQ 30					30 sec.
CONN.MAX		.EQ 16
*--------------------------------------
ZPIPCfgPtr		.EQ ZPBIN
ZPSktPtr		.EQ ZPBIN+2
*--------------------------------------
*			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		Code Length To Relocate
				.DA DS.END-DS.START		Data Segment to Allocate
				.DA 0
				.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 LoadLibYA
				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.YA
				
.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 GetC
				bcs .1
				cmp #$03
				bne .1
				jmp CS.RUN.ABORT
				
.99				>LDYA L.MSG.TCPIPERR
				>SYSCALL PrintF.YA
				lda #K.E.SYN
				sec	
				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 .9
				txa
				ldy #hSrvSocket
				sta (pData),y
				
				>LDYA L.MSG.INITOK
				>SYSCALL PrintF.YA

.2				>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 .2
				
.9				>LDYA L.MSG.SKTERR
				>SYSCALL PrintF.YA
				lda #K.E.SYN
				sec	
				rts
				
CS.RUN.ABORT	>LDYA L.MSG.ABORT
				>SYSCALL PrintF.YA
				lda #0
				
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.YA
.8				clc
.9				rts
*--------------------------------------
CS.RUN.CLIENT	sta hClntSocket
				>PUSHA					hSocket
				>PUSHWI UsrBuf256
				>PUSHWI 256
				>LIBCALL hLIBTCPIP,LIBTCPIP.SKT.GetS
				bcs .1
				
				>LDYAI UsrBuf256
				>SYSCALL PrintF.YA
				
				>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 hLIBTCPIP
				>SYSCALL UnloadLibA
				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		>PSTR "libtcpip.o"
MSG.TCPWAIT		>CSTR "HTTPD:Waiting for TCP/IP initializing...\r\n"
MSG.INITOK		>CSTR "HTTPD:Init Ok, Listening.\r\n"
MSG.TCPIPERR	>CSTR "HTTPD:TCP/IP Not initialized properly\r\n"
MSG.SKTERR		>CSTR "HTTPD:Listen Error\r\n"
MSG.ABORT		>CSTR "HTTPD:User Aborted\r\n"
MSG.INCOMING	>CSTR "HTTPD:Incoming Connection [SKT=%h] From : %d.%d.%d.%d\r\n"
hLIBTCPIP		.BS 1
hClntSocket		.BS 1
*--------------------------------------
HTTP.200OK		>PSTR "HTTP/1.1 200 OK\r\n"
*--------------------------------------
Socket			.DA #S.SOCKET.SOCK.STREAM
				.DA #S.SOCKET.SO.ACCEPTCONN
				.DA #S.SOCKET.TCP.STATUS.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
SktIndex		.BS 1
hSrvSocket		.BS 1
TimeOut			.BS 1
DS.END
				.ED
*--------------------------------------
MAN
SAVE /A2OSX.SRC/SBIN/HTTPD.S
ASM