mirror of
https://github.com/A2osX/A2osX.git
synced 2024-07-17 09:29:08 +00:00
549 lines
9.4 KiB
Plaintext
549 lines
9.4 KiB
Plaintext
PR#3
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PREFIX /A2OSX.SRC
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LOMEM $A00
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INC 1
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AUTO 6
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.LIST OFF
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*/--------------------------------------
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* #SKT.New
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* ##In :
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* PUSHW = PTR to S.SOCKET template
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* ##Out :
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* YA = PTR to new S.SOCKET
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* X = hSocket
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*\--------------------------------------
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SKT.New >PULLW ZPTmpPtr1
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ldy #S.SOCKET.SRC.PORT+1
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lda (ZPTmpPtr1),y
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dey
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ora (ZPTmpPtr1),y
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bne .1
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jsr GetDynPort
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sta (ZPTmpPtr1),y
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txa
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iny
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sta (ZPTmpPtr1),y
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.1 >LDYA L.SKT.TABLE
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>STYA ZPTmpPtr2
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lda #$ff
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sta TmpOffset to keep track of any free slot
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ldx #0
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.2 lda (ZPTmpPtr2)
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beq .4 empty!!!
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cmp (ZPTmpPtr1)
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bne .5 not same SKT type...try next
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ldy #S.SOCKET.SRC.ADDR
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.3 lda (ZPTmpPtr1),y
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cmp (ZPTmpPtr2),y
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bne .5
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iny
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cpy #S.SOCKET.DST.PORT+2
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bne .3
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lda #ERR.SKT.BUSY same one!!!!! busy...
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sec
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rts
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.4 lda TmpOffset
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bpl .5 already found an empty slot....
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>LDYA ZPTmpPtr2 found one...
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>STYA ZPTmpPtr3 save it!
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stx TmpOffset
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.5 lda ZPTmpPtr2
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clc
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adc #S.SOCKET
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sta ZPTmpPtr2
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bcc .6
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inc ZPTmpPtr2+1
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.6 inx
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cpx #K.SKTTABLE.SIZE
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bne .2
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lda TmpOffset Did we found an empty slot ?
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bmi .9
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ldy #S.SOCKET-1
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.7 lda (ZPTmpPtr1),y
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sta (ZPTmpPtr3),y
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dey
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bpl .7
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ldx TmpOffset
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>LDYA ZPTmpPtr3
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clc
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rts
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.9 lda #ERR.SKT.OOS
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sec
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rts
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*--------------------------------------
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SKT.ACCEPTA jsr SKT.GetA.I
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bcs .9
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ldy #S.SOCKET.SO
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lda (ZPPtrSKT),y
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and #S.SOCKET.SO.ACCEPTCONN
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bne .99
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ldy #S.SOCKET.HQ.HEAD
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lda (ZPPtrSKT),y
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ldy #S.SOCKET.HQ.TAIL
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cmp (ZPPtrSKT),y Queue Empty
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beq .9 CC
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pha
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inc
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cmp #S.SOCKET.HQ.MAX
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bne .1
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lda #0
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.1 sta (ZPPtrSKT),y
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pla
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clc
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adc #S.SOCKET.HQ
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tay
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lda (ZPPtrSKT),y
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clc
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rts
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.99 lda #ERR.SKT.BAD
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sec
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.9 rts
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*--------------------------------------
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* SKT.Send
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*--------------------------------------
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SKT.Send >PULLB hSocket
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pha
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>PULLW ZPDataInPtr
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>PULLW ZPDataInLen
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pla
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jsr SKT.GetA.I
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bcs .9
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and #S.SOCKET.SOCK.MASK
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cmp #S.SOCKET.SOCK.DGRAM
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beq SKT.SEND.UDP
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cmp #S.SOCKET.SOCK.STREAM
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bne .1
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jmp SKT.SEND.TCP
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.1 cmp #S.SOCKET.SOCK.RAW
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bne .99
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jmp SKT.SEND.RAW
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.99 sec
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.9 rts
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*--------------------------------------
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SKT.SEND.UDP lda #S.IP.PROTOCOL.UDP
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jsr FRM.NewA
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bcs .9
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>LDAXI S.UDP-2
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jsr SKT.SetFrameOutLenAX
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>LDAXI S.UDP
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jsr SKT.SetDataOutPtrAX
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jsr SKT.SetFrameOutDstIP
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jsr SKT.SetFrameOutPorts
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jsr SKT.CopyDataInToOut
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jmp FRM.SendUDP
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.9 rts
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*--------------------------------------
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SKT.SEND.TCP ldy #S.SOCKET.STATUS
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lda (ZPPtrSKT),y
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and #S.SOCKET.STATUS.MASK
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cmp #S.SOCKET.STATUS.ESTBLSH
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beq .10
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lda #MLI.ERR.IO
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* sec CS from cmp
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rts
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.10 ldy #S.SOCKET.STREAM.hOutMem
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lda (ZPPtrSKT),y
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>SYSCALL GetMemPtrA
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>STYA ZPTmpPtr1 Make ZPTmpPtr1=buffer base
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ldy #S.SOCKET.SQ.OUTFREE
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lda (ZPPtrSKT),y
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sec
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sbc ZPDataInLen
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tax
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iny
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lda (ZPPtrSKT),y
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sbc ZPDataInLen+1 X,A = new OUTFREE
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bcc .91
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sta (ZPPtrSKT),y
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dey
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txa
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sta (ZPPtrSKT),y Update Socket OUTFREE
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ldy #S.SOCKET.SQ.OUTHEAD
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lda (ZPPtrSKT),y
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tax
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clc
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adc ZPDataInLen
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sta (ZPPtrSKT),y
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iny
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lda (ZPPtrSKT),y
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pha
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adc ZPDataInLen+1
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and /K.TCP.WMASK
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sta (ZPPtrSKT),y Update Socket new OUTHEAD
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txa X,PHA=OUTHEAD
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clc
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adc ZPTmpPtr1
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sta ZPTmpPtr2
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pla
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pha
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adc ZPTmpPtr1+1 Ptr1=Current Base
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sta ZPTmpPtr1+2 Ptr2=Current Base+OUTHEAD
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stx ZPTmpPtr3
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pla
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clc
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adc /65536-K.TCP.WSIZE
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sta ZPTmpPtr3+1 Ptr3=!(K.TCP.WSIZE-OUTHEAD)
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lda ZPDataInLen
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eor #$ff
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sta ZPDataInLen
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lda ZPDataInLen+1
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eor #$ff
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sta ZPDataInLen+1 ZPDataInLen=!ZPDataInLen
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ldy #0
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.1 inc ZPTmpPtr3 Reached the TOP of buf ?
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bne .2
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inc ZPTmpPtr3+1
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beq .5
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.2 inc ZPDataInLen
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bne .3
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inc ZPDataInLen+1
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beq .80
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.3 lda (ZPDataInPtr),y
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sta (ZPTmpPtr2)
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iny
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bne .4
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inc ZPDataInPtr+1
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.4 inc ZPTmpPtr2
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bne .1
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inc ZPTmpPtr2+1
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bra .1
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.5 inc ZPDataInLen
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bne .6
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inc ZPDataInLen+1
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beq .80
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.6 lda (ZPDataInPtr),y
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sta (ZPTmpPtr1)
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iny
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bne .7
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inc ZPDataInPtr+1
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.7 inc ZPTmpPtr1
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bne .5
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inc ZPTmpPtr1+1
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bra .6
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.80 clc
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rts
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.91 lda #MLI.ERR.VOLFULL
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sec
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rts
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*--------------------------------------
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SKT.SEND.RAW ldy #S.SOCKET.RAW.PROTO
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lda (ZPPtrSKT),y
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jsr FRM.NewA
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bcs .9
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>LDAXI S.IP-2
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jsr SKT.SetFrameOutLenAX
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>LDAXI S.IP
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jsr SKT.SetDataOutPtrAX
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jsr SKT.SetFrameOutDstIP
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jsr SKT.CopyDataInToOut
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ldy #S.SOCKET.RAW.PROTO
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lda (ZPPtrSKT),y
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cmp #S.IP.PROTOCOL.ICMP
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bne .1
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jmp FRM.SendICMP
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.1 jmp FRM.SendIP
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.9 sec
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rts
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*/--------------------------------------
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* #SKT.RcvdA (DGRAM,RAW)
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* ##In :
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* A = hSocket
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* ##Out :
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* A = hFrame
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*\--------------------------------------
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SKT.RCVDA jsr SKT.GetA.I
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bcs .9
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ldy #S.SOCKET.HQ.TAIL
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lda (ZPPtrSKT),y
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tax
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ldy #S.SOCKET.HQ.HEAD
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cmp (ZPPtrSKT),y
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beq .99
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inc
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cmp #S.SOCKET.HQ.MAX
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bne .1
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lda #0
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.1 ldy #S.SOCKET.HQ.TAIL
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sta (ZPPtrSKT),y
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txa
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clc
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adc #S.SOCKET.HQ
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tay
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lda (ZPPtrSKT),y
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clc
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rts
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.99 sec
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.9 rts
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*/--------------------------------------
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* #SKT.Read (STREAM)
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* ##In :
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* A = hSocket
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* ##Out :
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* A = hFrame
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*\--------------------------------------
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SKT.Read
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*--------------------------------------
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SKT.CLOSEA cmp #K.SKTTABLE.SIZE
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bcs SKT.GetA.9
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jsr SKT.GetA.I
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bcs .9
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and #S.SOCKET.SOCK.MASK
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cmp #S.SOCKET.SOCK.DGRAM
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beq .8
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cmp #S.SOCKET.SOCK.RAW
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beq .8
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ldy #S.SOCKET.SO
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lda (ZPPtrSKT),y
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bit #S.SOCKET.SO.ACCEPTCONN
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beq *
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.8 lda #0
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sta (ZPPtrSKT)
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clc
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.9 rts
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*--------------------------------------
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SKT.GetA cmp #K.SKTTABLE.SIZE
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bcs SKT.GetA.9
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jsr SKT.GetA.I
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bcs SKT.GetA.9
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>LDYA ZPPtrSKT
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rts
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SKT.GetA.I stz ZPPtrSKT
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lsr
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ror ZPPtrSKT
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lsr
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ror ZPPtrSKT
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lsr
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ror ZPPtrSKT
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pha
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lda ZPPtrSKT
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adc L.SKT.TABLE
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sta ZPPtrSKT
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pla
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adc L.SKT.TABLE+1
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sta ZPPtrSKT+1
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lda (ZPPtrSKT)
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beq SKT.GetA.9
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rts CC
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SKT.GetA.9 lda #ERR.SKT.BAD
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sec
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rts
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*--------------------------------------
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* ZPPtrSKT -> actual socket
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* A = hSocket or hFrame
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*--------------------------------------
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SKT.AddToQueueA sta .2+1
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ldy #S.SOCKET.HQ.HEAD
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lda (ZPPtrSKT),y
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tax
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inc
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cmp #S.SOCKET.HQ.MAX
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bne .1
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lda #0
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.1 ldy #S.SOCKET.HQ.TAIL
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cmp (ZPPtrSKT),y
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beq .9 Queue full!!
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ldy #S.SOCKET.HQ.HEAD
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sta (ZPPtrSKT),y
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txa
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clc
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adc #S.SOCKET.HQ
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tay
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.2 lda #$ff
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sta (ZPPtrSKT),y
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clc
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rts
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.9 sec
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rts
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*--------------------------------------
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SKT.GETTABLE >LDYA L.SKT.TABLE
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clc
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rts
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*--------------------------------------
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SKT.AddToQueueS
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clc
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rts
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.9 sec
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rts
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*--------------------------------------
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SKT.SetFrameOutLenAX
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clc
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adc ZPDataInLen
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sta (ZPFrameOutPtr)
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sta ZPFrameOutLen
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txa
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adc ZPDataInLen+1
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ldy #1
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sta (ZPFrameOutPtr),y
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sta ZPFrameOutLen+1
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rts
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*--------------------------------------
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SKT.SetDataOutPtrAX
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clc
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adc ZPFrameOutPtr
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sta ZPDataOutPtr
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txa
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adc ZPFrameOutPtr+1
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sta ZPDataOutPtr+1
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rts
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*--------------------------------------
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SKT.SetFrameOutDstIP
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ldy #S.SOCKET.DST.ADDR
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ldx #4
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.1 lda (ZPPtrSKT),y
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pha
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iny
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dex
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bne .1
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ldy #S.IP.DST+3
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ldx #4
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.2 pla
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sta (ZPFrameOutPtr),y
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dey
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dex
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bne .2
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rts
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*--------------------------------------
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SKT.SetFrameOutPorts
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ldy #S.SOCKET.SRC.PORT
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lda (ZPPtrSKT),y
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tax
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iny
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lda (ZPPtrSKT),y
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ldy #S.UDP.SRCPORT
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sta (ZPFrameOutPtr),y
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iny
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txa
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sta (ZPFrameOutPtr),y
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ldy #S.SOCKET.DST.PORT
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lda (ZPPtrSKT),y
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tax
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iny
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lda (ZPPtrSKT),y
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ldy #S.UDP.DSTPORT
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sta (ZPFrameOutPtr),y
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iny
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txa
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sta (ZPFrameOutPtr),y
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*--------------------------------------
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SKT.CopyDataInToOut
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lda ZPDataInLen
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eor #$ff
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sta ZPDataInLen
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lda ZPDataInLen+1
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eor #$ff
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tax
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ldy #0
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.1 inc ZPDataInLen
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bne .2
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inx
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beq .9
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.2 lda (ZPDataInPtr),y
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sta (ZPDataOutPtr),y
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iny
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bne .1
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inc ZPDataInPtr+1
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inc ZPDataOutPtr+1
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bne .1
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.9 rts
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MAN
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SAVE LIB/LIBTCPIP.S.SKT
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LOAD LIB/LIBTCPIP.S
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ASM
|