mirror of
https://github.com/A2osX/A2osX.git
synced 2024-11-04 03:05:43 +00:00
421 lines
6.9 KiB
Plaintext
421 lines
6.9 KiB
Plaintext
PR#3
|
||
PREFIX /A2OSX.SRC
|
||
NEW
|
||
INC 1
|
||
AUTO 6
|
||
.LIST OFF
|
||
*--------------------------------------
|
||
* IN : PULLW = PTR to S.SOCKET template
|
||
* OUT :
|
||
* YA=PTR to new S.SOCKET
|
||
* X hSocket 128<x<255
|
||
*--------------------------------------
|
||
SKT.NEW >PULLW ZPTmpPtr1
|
||
|
||
ldy #S.SOCKET.SRC.PORT+1
|
||
lda (ZPTmpPtr1),y
|
||
dey
|
||
ora (ZPTmpPtr1),y
|
||
bne .1
|
||
|
||
jsr GetDynPort
|
||
sta (ZPTmpPtr1),y
|
||
txa
|
||
iny
|
||
sta (ZPTmpPtr1),y
|
||
|
||
.1 >LDYA L.SKT.TABLE
|
||
>STYA ZPTmpPtr2
|
||
|
||
stz TmpOffset to keep track of any free slot
|
||
|
||
ldx #0
|
||
|
||
.2 lda (ZPTmpPtr2)
|
||
beq .4
|
||
cmp (ZPTmpPtr1)
|
||
bne .5
|
||
|
||
ldy #S.SOCKET.SRC.ADDR
|
||
|
||
.3 lda (ZPTmpPtr1),y
|
||
cmp (ZPTmpPtr2),y
|
||
bne .5
|
||
iny
|
||
cpy #S.SOCKET.DST.PORT+2
|
||
bne .3
|
||
|
||
lda #ERR.SKT.BUSY
|
||
sec
|
||
rts
|
||
|
||
.4 bit TmpOffset
|
||
bmi .5 Already found an empty slot
|
||
>LDYA ZPTmpPtr2
|
||
>STYA ZPTmpPtr3
|
||
txa
|
||
ora #$80
|
||
sta TmpOffset
|
||
|
||
.5 lda ZPTmpPtr2
|
||
clc
|
||
adc #S.SOCKET
|
||
sta ZPTmpPtr2
|
||
bcc .6
|
||
inc ZPTmpPtr2+1
|
||
.6 inx
|
||
cpx #K.SKTTABLE.SIZE
|
||
bne .2
|
||
|
||
bit TmpOffset Did we found an empty slot ?
|
||
bpl .9
|
||
|
||
ldy #S.SOCKET-1
|
||
.7 lda (ZPTmpPtr1),y
|
||
sta (ZPTmpPtr3),y
|
||
dey
|
||
bpl .7
|
||
|
||
ldx TmpOffset
|
||
>LDYA ZPTmpPtr3
|
||
clc
|
||
rts
|
||
|
||
.9 lda #ERR.SKT.OOS
|
||
sec
|
||
rts
|
||
*--------------------------------------
|
||
SKT.ACCEPTA jsr SKT.GetA
|
||
bcs .9
|
||
ldy #S.SOCKET.SO
|
||
lda (ZPPtrSKT),y
|
||
and #S.SOCKET.SO.ACCEPTCONN
|
||
bne .99
|
||
|
||
ldy #S.SOCKET.LQ.HEAD
|
||
lda (ZPPtrSKT),y
|
||
ldy #S.SOCKET.LQ.TAIL
|
||
cmp (ZPPtrSKT),y Queue Empty
|
||
beq .9 CC
|
||
pha
|
||
inc
|
||
cmp #S.SOCKET.LQ.MAX
|
||
bne .1
|
||
lda #0
|
||
.1 sta (ZPPtrSKT),y
|
||
pla
|
||
clc
|
||
adc #S.SOCKET.LQ
|
||
tay
|
||
lda (ZPPtrSKT),y
|
||
clc
|
||
rts
|
||
|
||
.99 lda #ERR.SKT.BAD
|
||
sec
|
||
.9 rts
|
||
*--------------------------------------
|
||
SKT.SENDA
|
||
sec
|
||
rts
|
||
*--------------------------------------
|
||
SKT.SEND >PULLB hSocket
|
||
pha
|
||
>PULLW ZPDataPtr
|
||
>PULLW ZPDataLen
|
||
|
||
pla
|
||
jsr SKT.GetA
|
||
bcs .9
|
||
|
||
cpx #S.SOCKET.SOCK.DGRAM
|
||
beq SKT.SEND.UDP
|
||
|
||
cpx #S.SOCKET.SOCK.STREAM
|
||
bne .99
|
||
jmp SKT.SEND.TCP
|
||
|
||
.99 sec
|
||
.9 rts
|
||
*--------------------------------------
|
||
SKT.SEND.UDP jsr NEW.UDP.FRAME
|
||
bcs .9
|
||
stx hFrame1
|
||
|
||
lda #S.UDP-2
|
||
clc
|
||
adc ZPDataLen
|
||
sta (ZPFrameBase1)
|
||
sta ZPFrameLen1
|
||
|
||
lda /S.UDP-2
|
||
adc ZPDataLen+1
|
||
ldy #1
|
||
sta (ZPFrameBase1),y
|
||
sta ZPFrameLen1+1
|
||
|
||
ldy #S.SOCKET.SRC.PORT
|
||
lda (ZPPtrSKT),y
|
||
tax
|
||
iny
|
||
lda (ZPPtrSKT),y
|
||
ldy #S.UDP.SRCPORT
|
||
sta (ZPFrameBase1),y
|
||
iny
|
||
txa
|
||
sta (ZPFrameBase1),y
|
||
|
||
ldy #S.SOCKET.DST.ADDR
|
||
ldx #4
|
||
|
||
.1 lda (ZPPtrSKT),y
|
||
pha
|
||
iny
|
||
dex
|
||
bne .1
|
||
|
||
ldy #S.IP.DST+3
|
||
ldx #4
|
||
|
||
.2 pla
|
||
sta (ZPFrameBase1),y
|
||
dey
|
||
dex
|
||
bne .2
|
||
|
||
ldy #S.SOCKET.DST.PORT
|
||
lda (ZPPtrSKT),y
|
||
tax
|
||
iny
|
||
lda (ZPPtrSKT),y
|
||
ldy #S.UDP.DSTPORT
|
||
sta (ZPFrameBase1),y
|
||
iny
|
||
txa
|
||
sta (ZPFrameBase1),y
|
||
|
||
lda #S.UDP
|
||
clc
|
||
adc ZPFrameBase1
|
||
sta ZPTmpPtr1
|
||
lda /S.UDP
|
||
adc ZPFrameBase1+1
|
||
sta ZPTmpPtr1+1
|
||
|
||
ldy #0
|
||
.3 jsr DecDataLen
|
||
beq .4
|
||
lda (ZPDataPtr),y
|
||
sta (ZPTmpPtr1),y
|
||
iny
|
||
bne .3
|
||
inc ZPDataPtr
|
||
inc ZPTmpPtr1
|
||
bra .3
|
||
|
||
.4 jmp SEND.UDP.FRAME.I
|
||
.9 rts
|
||
*--------------------------------------
|
||
SKT.SEND.TCP
|
||
bra *
|
||
sec
|
||
rts
|
||
*--------------------------------------
|
||
SKT.RCVDA jsr SKT.GetA
|
||
bcs .9
|
||
|
||
ldy #S.SOCKET.DQ.TAIL
|
||
lda (ZPPtrSKT),y
|
||
tax
|
||
|
||
ldy #S.SOCKET.DQ.HEAD
|
||
cmp (ZPPtrSKT),y
|
||
beq .99
|
||
|
||
inc
|
||
cmp #S.SOCKET.DQ.MAX
|
||
bne .1
|
||
lda #0
|
||
|
||
.1 ldy #S.SOCKET.DQ.TAIL
|
||
sta (ZPPtrSKT),y
|
||
|
||
txa
|
||
clc
|
||
adc #S.SOCKET.DQ
|
||
tay
|
||
lda (ZPPtrSKT),y
|
||
clc
|
||
rts
|
||
|
||
.99 sec
|
||
.9 rts
|
||
*--------------------------------------
|
||
SKT.CLOSEA jsr SKT.GetA
|
||
bcs .9
|
||
cpx #S.SOCKET.SOCK.DGRAM
|
||
|
||
beq .8
|
||
|
||
ldy #S.SOCKET.SO
|
||
lda (ZPPtrSKT),y
|
||
bit #S.SOCKET.SO.ACCEPTCONN
|
||
|
||
beq *
|
||
|
||
|
||
.8 lda #0
|
||
sta (ZPPtrSKT)
|
||
clc
|
||
.9 rts
|
||
*--------------------------------------
|
||
SKT.GETTABLE >LDYA L.SKT.TABLE
|
||
clc
|
||
rts
|
||
*--------------------------------------
|
||
SKT.GetA stz ZPPtrSKT
|
||
|
||
and #$7f Strip off msb
|
||
lsr
|
||
ror ZPPtrSKT
|
||
lsr
|
||
ror ZPPtrSKT
|
||
lsr
|
||
ror ZPPtrSKT
|
||
pha
|
||
|
||
lda ZPPtrSKT
|
||
adc L.SKT.TABLE
|
||
sta ZPPtrSKT
|
||
pla
|
||
adc L.SKT.TABLE+1
|
||
sta ZPPtrSKT+1
|
||
|
||
lda (ZPPtrSKT)
|
||
beq .9
|
||
tax
|
||
>LDYA ZPPtrSKT
|
||
rts CC
|
||
|
||
.9 lda #ERR.SKT.BAD
|
||
sec
|
||
rts
|
||
*--------------------------------------
|
||
* ZPPtrSKT -> actual socket
|
||
* A = hSocket
|
||
*--------------------------------------
|
||
SKT.AddToQueueL pha
|
||
ldy #S.SOCKET.LQ.HEAD
|
||
lda (ZPPtrSKT),y
|
||
tax
|
||
inc
|
||
cmp #S.SOCKET.LQ.MAX
|
||
bne .1
|
||
lda #0
|
||
.1 ldy #S.SOCKET.LQ.TAIL
|
||
cmp (ZPPtrSKT),y
|
||
beq .9 Queue full!!
|
||
|
||
ldy #S.SOCKET.LQ.HEAD
|
||
sta (ZPPtrSKT),y
|
||
txa
|
||
clc
|
||
adc #S.SOCKET.LQ
|
||
tay
|
||
pla
|
||
sta (ZPPtrSKT),y
|
||
|
||
clc
|
||
rts
|
||
|
||
.9 pla
|
||
sec
|
||
rts
|
||
*--------------------------------------
|
||
SKT.AddToQueueD ldy #S.SOCKET.DQ.HEAD
|
||
lda (ZPPtrSKT),y
|
||
tax
|
||
inc
|
||
cmp #S.SOCKET.DQ.MAX
|
||
bne .1
|
||
lda #0
|
||
.1 ldy #S.SOCKET.DQ.TAIL
|
||
cmp (ZPPtrSKT),y
|
||
beq .9 Queue full!!
|
||
|
||
ldy #S.SOCKET.DQ.HEAD
|
||
sta (ZPPtrSKT),y
|
||
txa
|
||
clc
|
||
adc #S.SOCKET.DQ
|
||
tay
|
||
lda hFrame1
|
||
sta (ZPPtrSKT),y
|
||
clc
|
||
rts
|
||
|
||
.9 sec
|
||
rts
|
||
*--------------------------------------
|
||
SKT.AddToQueueS
|
||
clc
|
||
rts
|
||
|
||
.9 sec
|
||
rts
|
||
*--------------------------------------
|
||
SKT.TCPSendSYNACKA
|
||
jsr SKT.GetA
|
||
|
||
ldy #S.SOCKET.SRC.ADDR+3
|
||
ldx #3
|
||
.1 lda (ZPPtrSKT),y
|
||
sta TCP.MSG+S.IP.SRC,x
|
||
dey
|
||
dex
|
||
bpl .1
|
||
|
||
ldy #S.SOCKET.SRC.PORT
|
||
lda (ZPPtrSKT),y
|
||
sta TCP.MSG+S.TCP.SRCPORT+1
|
||
iny
|
||
lda (ZPPtrSKT),y
|
||
sta TCP.MSG+S.TCP.SRCPORT
|
||
|
||
ldy #S.SOCKET.DST.ADDR+3
|
||
ldx #3
|
||
.2 lda (ZPPtrSKT),y
|
||
sta TCP.MSG+S.IP.DST,x
|
||
dey
|
||
dex
|
||
bpl .2
|
||
|
||
ldy #S.SOCKET.DST.PORT
|
||
lda (ZPPtrSKT),y
|
||
sta TCP.MSG+S.TCP.DSTPORT+1
|
||
iny
|
||
lda (ZPPtrSKT),y
|
||
sta TCP.MSG+S.TCP.DSTPORT
|
||
|
||
ldy #S.SOCKET.SQ.SEQNUM+7
|
||
ldx #7
|
||
.3 lda (ZPPtrSKT),y
|
||
sta TCP.MSG+S.TCP.SEQ.NUMBER,x
|
||
dey
|
||
dex
|
||
bpl .3
|
||
|
||
lda #S.TCP.OPTIONS.SYN+S.TCP.OPTIONS.ACK
|
||
sta TCP.MSG+S.TCP.OPTIONS
|
||
|
||
>PUSHW L.TCP.MSG
|
||
jsr SEND.TCP.FRAME
|
||
|
||
clc
|
||
rts
|
||
*--------------------------------------
|
||
MAN
|
||
SAVE LIB/LIBTCPIP.S.SKT
|
||
LOAD LIB/LIBTCPIP.S
|
||
ASM
|