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A2osX/BIN/HTTPGET.S.txt

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Kernel 0.92
2018-12-05 15:12:10 +00:00
NEW
PREFIX
AUTO 4,1
.LIST OFF
.OP 65C02
.OR $2000
.TF BIN/HTTPGET
*--------------------------------------
.INB INC/MACROS.I
.INB INC/A2OSX.I
.INB INC/ETH.I
.INB INC/LIBTCPIP.I
.INB INC/NET.HTTP.I
*--------------------------------------
RESP.BUFSIZE .EQ 1024
TIMEOUT.MAX .EQ 100 10 sec.
*--------------------------------------
ZPIPCfgPtr .EQ ZPBIN
ZPHostPtr .EQ ZPBIN+2
ZPPtr .EQ ZPBIN+4
ZPBufPtr .EQ ZPBIN+6
ZPBufLen .EQ ZPBIN+8
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ZPRespBufPtr .EQ ZPBIN+10
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*--------------------------------------
* 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
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.DA #12 ZP
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.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 ZPBufPtr
>SYSCALL strlen
>STYA ZPBufLen
.8 bra CS.RUN.PORTOK
.2 cmp #'F'
bne CS.RUN.ESYN
>INC.G ArgIndex
>SYSCALL ArgV
bcs CS.RUN.RTS
>SYSCALL LoadTxtFile
bcs .9
>STYA ZPBufLen
txa
>STA.G hReqBuf
>SYSCALL GetMemPtr
>STYA ZPBufPtr
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
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>STYA ZPRespBufPtr
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txa
>STA.G hRespBuf
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CS.RUN.GET >SLEEP
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jsr CS.RUN.REQUEST
bcs .99
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jsr Init.Timeout
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.1 >SLEEP
>PUSHWI RESP.BUFSIZE
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>PUSHW ZPRespBufPtr
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>LDA.G hSocket
>LIBCALL hLIBTCPIP,LIBTCPIP.Read
bcc .2
tay
bne CS.RUN.SKTERR
>SLEEP no response
jsr Wait.Timeout
bcc .1
jmp CS.RUN.IOERR
.2 >PUSHYA len
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>PUSHW ZPRespBufPtr
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ldy #S.PS.hStdOut
lda (pPs),y
>SYSCALL fwrite
bcs .99
bra .1
.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
*--------------------------------------
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CS.RUN.REQUEST jsr Init.Timeout
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>LDYA ZPBufPtr
>SYSCALL puts
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.10 >PUSHWI HTTP.GET1.LEN
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>PUSHW L.HTTP.GET1
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jsr .8
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bcc .1
tay
bne .99
>SLEEP
jsr Wait.TimeOut
bcc .10
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.99 sec
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rts
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.1 >PUSHW ZPBufLen
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>PUSHW ZPBufPtr
jsr .8
bcs .9
>PUSHWI HTTP.GET2.LEN
>PUSHW L.HTTP.GET2
jsr .8
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bcs .9
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>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.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 hRespBuf
beq .3
>SYSCALL freemem
.3 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
*--------------------------------------
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HTTP.GET1 .AS "GET /"
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HTTP.GET1.LEN .EQ *-HTTP.GET1
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HTTP.GET2 .AS " HTTP/1.1"
.DA #C.CR,#C.LF
.AS "User-Agent: A2osX.HTTPGET"
.DA #C.CR,#C.LF
.AS "Host: "
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HTTP.GET2.LEN .EQ *-HTTP.GET2
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HTTP.GET3 .DA #C.CR,#C.LF
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.AS "Connection: close"
.DA #C.CR,#C.LF
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.DA #C.CR,#C.LF
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HTTP.GET3.LEN .EQ *-HTTP.GET3
*--------------------------------------
.DUMMY
.OR 0
DS.START
ArgIndex .BS 1
hReqBuf .BS 1
hRespBuf .BS 1
hSocket .BS 1
TimeOut .BS 1
DS.END
.ED
*--------------------------------------
MAN
SAVE USR/SRC/BIN/HTTPGET.S
ASM
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