A2osX/BIN/HTTPGET.S.txt
2018-12-21 15:32:45 +01:00

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NEW
PREFIX
AUTO 4,1
.LIST OFF
.OP 65C02
.OR $2000
.TF BIN/HTTPGET
*--------------------------------------
.INB INC/MACROS.I
.INB INC/A2OSX.I
.INB INC/MLI.I
.INB INC/MLI.E.I
.INB INC/ETH.I
.INB INC/LIBTCPIP.I
.INB INC/NET.HTTP.I
*--------------------------------------
RESP.BUFSIZE .EQ 1024
TIMEOUT.MAX .EQ 100 10 sec.
*--------------------------------------
.DUMMY
.OR ZPBIN
ZS.START
ZPIPCfgPtr .BS 2
ZPHostPtr .BS 2
ZPPtr .BS 2
ZPReqBufPtr .BS 2
ZPReqBufLen .BS 2
ZPEncodedBufPtr .BS 2
ZPEncodedBufLen .BS 2
ZPRespBufPtr .BS 2
ZS.END
.ED
*--------------------------------------
* 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 S.PS.F
.DA #0
.DA CS.END-CS.START Code Length To Relocate
.DA DS.END-DS.START Data Segment to Allocate
.DA #16 SS
.DA #ZS.END-ZS.START Zero Page Size
.DA 0
*--------------------------------------
.1 .DA CS.INIT
.DA CS.RUN
.DA CS.DOEVENT
.DA CS.QUIT
L.LIBTCPIP .DA LIBTCPIP
L.SA.LOCAL .DA SA.LOCAL
L.SA.REMOTE .DA SA.REMOTE
L.SA.REMOTE.AD .DA SA.REMOTE+S.SOCKADDR.ADDR
L.MSG.IPKO .DA MSG.IPKO
L.MSG.USAGE .DA MSG.USAGE
L.MSG.UNKNOWN .DA MSG.UNKNOWN
L.MSG.HOSTOK .DA MSG.HOSTOK
L.MSG.SKTKO .DA MSG.SKTKO
L.MSG.SKTOK .DA MSG.SKTOK
L.MSG.SKTERR .DA MSG.SKTERR
L.MSG.IOERR .DA MSG.IOERR
L.HTTP.GET1 .DA HTTP.GET1
L.HTTP.GET2 .DA HTTP.GET2
L.HTTP.GET3 .DA HTTP.GET3
.DA 0
*--------------------------------------
CS.INIT >LDYA L.LIBTCPIP
>SYSCALL LoadLib
bcs .9
sta hLIBTCPIP
.9 rts
*--------------------------------------
CS.RUN >LIBCALL hLIBTCPIP,LIBTCPIP.GET.IPCFG is TCPIP loaded ?
>STYA ZPIPCfgPtr
lda (ZPIPCfgPtr) Configured ?
bmi CS.RUN.IPOK
>LDYA L.MSG.IPKO
>SYSCALL puts
lda #E.SYN
sec
rts
CS.RUN.IPOK ldy #S.IPCFG.IP+3
ldx #3
.1 lda (ZPIPCfgPtr),y
sta SA.LOCAL+S.SOCKADDR.ADDR,x
dey
dex
bpl .1
>INC.G ArgIndex
>SYSCALL ArgV
bcs .9
>STYA ZPHostPtr
jsr Init.Timeout
.2 >PUSHW L.SA.REMOTE.AD
>PUSHW ZPHostPtr
>LIBCALL hLIBTCPIP,LIBTCPIP.HST.GETBYNAME
bcc CS.RUN.HOSTOK
>SLEEP
jsr Wait.Timeout
bcc .2
>PUSHW ZPHostPtr
>PUSHBI 2
>LDYA L.MSG.UNKNOWN
>SYSCALL printf
bra CS.RUN.ESYN
.9 >PUSHBI 0
>LDYA L.MSG.USAGE
>SYSCALL printf
CS.RUN.ESYN lda #E.SYN
sec
CS.RUN.RTS rts
CS.RUN.HOSTOK >INC.G ArgIndex
>SYSCALL ArgV
bcc .10
jmp CS.RUN.PORTOK
.10 >STYA ZPPtr
lda (ZPPtr)
cmp #'-'
beq .1
>LDYA ZPPtr
>SYSCALL atoi
bcs CS.RUN.RTS
>STYA SA.REMOTE+S.SOCKADDR.PORT
>INC.G ArgIndex
>SYSCALL ArgV
bcs .8
>STYA ZPPtr
lda (ZPPtr)
cmp #'-'
bne CS.RUN.ESYN
.1 ldy #1
lda (ZPPtr),y
cmp #'U'
bne .2
>INC.G ArgIndex
>SYSCALL ArgV
.9 bcs CS.RUN.ESYN
>STYA ZPReqBufPtr
>SYSCALL strlen
>STYA ZPReqBufLen
.8 bra CS.RUN.PORTOK
.2 cmp #'F'
bne CS.RUN.ESYN
>INC.G ArgIndex
>SYSCALL ArgV
bcs CS.RUN.RTS
pha
>PUSHWI 0 Aux type
>PUSHBI S.FI.T.TXT
>PUSHBI O.RDONLY
pla
>SYSCALL LoadTxtFile
bcs .9
>STYA ZPReqBufLen
txa
>STA.G hReqBuf
>SYSCALL GetMemPtr
>STYA ZPReqBufPtr
CS.RUN.PORTOK >PUSHW ZPHostPtr
>PUSHW SA.REMOTE+S.SOCKADDR.PORT
ldx #3
.1 >PUSHB SA.REMOTE+S.SOCKADDR.ADDR,x
dex
bpl .1
>PUSHBI 8
>LDYA L.MSG.HOSTOK
>SYSCALL printf
CS.RUN.OPENSKT >PUSHBI 0 no protocol
lda #S.SOCKET.T.STREAM
>LIBCALL hLIBTCPIP,LIBTCPIP.Socket
bcs .9
>STA.G hSocket
pha
>PUSHW L.SA.LOCAL
pla
>LIBCALL hLIBTCPIP,LIBTCPIP.Bind
bcc .2
.9 >LDYA L.MSG.SKTKO
>SYSCALL puts
lda #E.SYN
sec
rts
.2 >PUSHW L.SA.REMOTE
>LDA.G hSocket
>LIBCALL hLIBTCPIP,LIBTCPIP.Connect
bcs .9
>LDYA L.MSG.SKTOK
>SYSCALL puts
>LDYAI RESP.BUFSIZE
>SYSCALL getmem
bcs .9
>STYA ZPRespBufPtr
txa
>STA.G hRespBuf
CS.RUN.GET jsr CS.RUN.ENCODE
bcs .99
* >PUSHW ZPEncodedBufLen
* >PUSHW ZPEncodedBufPtr
* ldy #S.PS.hStdOut
* lda (pPs),y
* >SYSCALL fwrite
jsr CS.RUN.REQUEST
bcs .99
jsr CS.RUN.RESPONSE
bcs .99
.9 lda #0
sec
.99 rts
*--------------------------------------
CS.RUN.SKTERR pha
>PUSHA
>PUSHBI 1
>LDYA L.MSG.SKTERR
>SYSCALL printf
pla
sec
rts
*--------------------------------------
CS.RUN.IOERR pha
>PUSHA
>PUSHBI 1
>LDYA L.MSG.IOERR
>SYSCALL printf
pla
sec
rts
*--------------------------------------
CS.RUN.CONNECT
*--------------------------------------
CS.RUN.ENCODE >LDYA ZPReqBufPtr
>STYA ZPPtr
.10 lda (ZPPtr)
beq .4
inc ZPEncodedBufLen
bne .1
inc ZPEncodedBufLen+1
.1 inc ZPPtr
bne .11
inc ZPPtr+1
.11 jsr CS.RUN.TOENCODE
bcc .10
.3 lda ZPEncodedBufLen
clc
adc #2
sta ZPEncodedBufLen
bcc .10
inc ZPEncodedBufLen+1
bra .10
.4 >LDYA ZPEncodedBufLen
>SYSCALL GetMem
bcs .9
>STYA ZPEncodedBufPtr
>STYA ZPPtr
txa
>STA.G hEncodedBuf
.5 lda (ZPReqBufPtr)
beq .8
inc ZPReqBufPtr
bne .6
inc ZPReqBufPtr+1
.6 jsr CS.RUN.TOENCODE
bcc .7
jsr CS.RUN.ADDBYTETOBUF
bra .5
.7 jsr CS.RUN.ADDTOBUF
bra .5
.8 clc
.9 rts
*--------------------------------------
CS.RUN.TOENCODE ldx #URI.ToEncode.Cnt-1
.1 cmp URI.ToEncode,x
beq .9 CS
dex
bpl .1
clc
.9 rts
*--------------------------------------
CS.RUN.ADDBYTETOBUF
pha
lda #'%'
jsr CS.RUN.ADDTOBUF
pla
pha
lsr
lsr
lsr
lsr
ora #$30
cmp #$3A
bcc .1
adc #6
.1 jsr CS.RUN.ADDTOBUF
pla
and #$0F
ora #$30
cmp #$3A
bcc CS.RUN.ADDTOBUF
adc #6
*--------------------------------------
CS.RUN.ADDTOBUF sta (ZPPtr)
inc ZPPtr
bne .8
inc ZPPtr+1
.8 rts
*--------------------------------------
CS.RUN.REQUEST jsr Init.Timeout
.10 >PUSHWI HTTP.GET1.LEN
>PUSHW L.HTTP.GET1
jsr .8
bcc .1
tay
bne .99
>SLEEP
jsr Wait.TimeOut
bcc .10
.99 lda #MLI.E.IO
sec
rts
.1 >PUSHW ZPEncodedBufLen
>PUSHW ZPEncodedBufPtr
jsr .8
bcs .9
>PUSHWI HTTP.GET2.LEN
>PUSHW L.HTTP.GET2
jsr .8
bcs .9
>LDYA ZPHostPtr
>SYSCALL strlen
>PUSHYA
>PUSHW ZPHostPtr
jsr .8
bcs .9
>PUSHWI HTTP.GET3.LEN
>PUSHW L.HTTP.GET3
.8 >LDA.G hSocket
>LIBCALL hLIBTCPIP,LIBTCPIP.Write
.9 rts
*--------------------------------------
CS.RUN.RESPONSE jsr Init.Timeout
.1 >SLEEP
>PUSHWI RESP.BUFSIZE
>PUSHW ZPRespBufPtr
>LDA.G hSocket
>LIBCALL hLIBTCPIP,LIBTCPIP.Read
bcc .2
tay
bne .8
>LDA.G bResponse
bne .81
jsr Wait.Timeout
bcs .99
bra .1
.2 >PUSHYA len
>PUSHW ZPRespBufPtr
ldy #S.PS.hStdOut
lda (pPs),y
>SYSCALL fwrite
bcs .9
>INC.G bResponse
bra .1
.8 cmp #MLI.E.IO SKT Close ?
bne .9
.80 >LDA.G bResponse
beq .99
.81 clc
rts
.99 lda #MLI.E.IO
.9 sec
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 >LDA.G hSocket
beq .1
>LIBCALL hLIBTCPIP,LIBTCPIP.Shutdown
.1 >LDA.G hReqBuf
beq .2
>SYSCALL freemem
.2 >LDA.G hEncodedBuf
beq .3
>SYSCALL freemem
.3 >LDA.G hRespBuf
beq .4
>SYSCALL freemem
.4 lda hLIBTCPIP
beq .8
>SYSCALL UnloadLib
.8 clc
rts
*--------------------------------------
Init.Timeout lda #TIMEOUT.MAX
>STA.G TimeOut
rts
*--------------------------------------
Wait.TimeOut sec
>LDA.G TimeOut
beq .9
clc
.9 rts
*--------------------------------------
CS.END
LIBTCPIP .AZ "libtcpip"
hLIBTCPIP .BS 1
MSG.IPKO .AZ "TCP/IP Not Loaded/Configured."
MSG.USAGE .AS "Usage : HTTPGET <ip|host> [port]\r\n"
.AS " -U Url\r\n"
.AZ " -F UrlFile\r\n"
MSG.UNKNOWN .AZ "%s: Unknown host\r\n"
MSG.HOSTOK .AZ "Connecting to %d.%d.%d.%d:%D (%s)..."
MSG.SKTKO .AZ "Failed to Open Socket."
MSG.SKTOK .AZ "Connected."
MSG.SKTERR .AZ "Socket Error : $%h\r\n"
MSG.IOERR .AZ "I/O Error : $%h\r\n"
*--------------------------------------
SA.LOCAL .DA #AF.INET S.SOCKADDR.AF
.BS 1
.BS 4 S.SOCKADDR.ADDR
.BS 2 S.SOCKADDR.PORT
*--------------------------------------
SA.REMOTE .DA #AF.INET S.SOCKADDR.AF
.BS 1
.BS 4 S.SOCKADDR.ADDR
.DA TCP.PORT.HTTP
*--------------------------------------
URI.ToEncode .DA #C.LF,#C.CR,#C.SPACE,#'"'
.AS "%-.\^_`{|}~"
URI.ToEncode.Cnt .EQ *-URI.ToEncode
*--------------------------------------
HTTP.GET1 .AS "GET /"
HTTP.GET1.LEN .EQ *-HTTP.GET1
HTTP.GET2 .AS " HTTP/1.1"
.DA #C.CR,#C.LF
.AS "User-Agent: A2osX.HTTPGET"
.DA #C.CR,#C.LF
.AS "Host: "
HTTP.GET2.LEN .EQ *-HTTP.GET2
HTTP.GET3 .DA #C.CR,#C.LF
.AS "Connection: close"
.DA #C.CR,#C.LF
.DA #C.CR,#C.LF
HTTP.GET3.LEN .EQ *-HTTP.GET3
*--------------------------------------
.DUMMY
.OR 0
DS.START
ArgIndex .BS 1
hReqBuf .BS 1
hEncodedBuf .BS 1
hRespBuf .BS 1
bResponse .BS 1
hSocket .BS 1
TimeOut .BS 1
DS.END
.ED
*--------------------------------------
MAN
SAVE USR/SRC/BIN/HTTPGET.S
ASM