mirror of https://github.com/A2osX/A2osX.git
1512 lines
27 KiB
Plaintext
1512 lines
27 KiB
Plaintext
NEW
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AUTO 3,1
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*/--------------------------------------
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* # Socket
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* Create a new socket
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* ## C
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* `hFD socket(short int type, short int protocol);`
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* ## ASM
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* `>PUSHB type`
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* `>PUSHB protocol`
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* `>LIBCALL hLIBTCPIP,LIBTCPIP.socket`
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* ## RETURN VALUE
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* CC: A = hSOCKET
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* CS: A = EC
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*\--------------------------------------
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SKT.Socket >PULLA get protocol (RAW)
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pha
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>PULLA
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tax
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pla
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SKT.Socket.I jmp (J.SKT.Socket,x)
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SKT.Socket.RAW ldy #S.SOCKET
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bra SKT.Socket.DSOCK
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SKT.Socket.DGRAM
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lda #S.IP.PROTOCOL.UDP
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ldy #S.SOCKET
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SKT.Socket.DSOCK
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stx FD.DSOCK+S.SOCKET.T save type
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sta FD.DSOCK+S.SOCKET.PROTO ICMP,UDP,TCP
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jsr SKT.Socket.FindFree
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bcs SKT.Socket.RTS
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ldy #0
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.1 lda FD.DSOCK,y
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sta (ZPTmpPtr1),y
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iny
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cpy #FD.DSOCK.SIZE
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bne .1
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bra SKT.Socket.ZERO
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SKT.Socket.SEQPKT
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SKT.Socket.STREAM
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lda #S.IP.PROTOCOL.TCP
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ldy #S.SOCKET.TCP
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stx FD.SSOCK+S.SOCKET.T save type
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sta FD.SSOCK+S.SOCKET.PROTO
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jsr SKT.Socket.FindFree
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bcs SKT.Socket.RTS
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ldy #0
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.1 lda FD.SSOCK,y
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sta (ZPTmpPtr1),y
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iny
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cpy #FD.SSOCK.SIZE
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bne .1
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SKT.Socket.ZERO lda #0
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.1 sta (ZPTmpPtr1),y
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iny
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cpy TmpDWord
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bne .1
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txa
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clc
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SKT.Socket.RTS rts
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*--------------------------------------
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SKT.Socket.FindFree
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sty TmpDWord Y = socket.size
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ldx #1
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.1 lda FDs.pHI-1,x
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beq .2
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inx
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cpx #K.FD.MAX+1
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bcc .1
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lda #E.OOH
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* sec
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rts
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.2 stx .8+1
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* lda #0 Y,A = socket.size
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>SYSCALL2 GetMem
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bcs SKT.Socket.RTS
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>STYA ZPTmpPtr1
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.8 ldx #$FF SELF MODIFIED
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sta FDs.pHI-1,x
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tya
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sta FDs.pLO-1,x
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* clc
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rts
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*/--------------------------------------
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* # Bind
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* bind a name to a socket
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* ## C
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* `int bind(hFD fd, const struct sockaddr *addr);`
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* ## ASM
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* `>PUSHB fd`
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* `>PUSHW addr`
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* `>LIBCALL hLIBTCPIP,LIBTCPIP.socket`
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* ## RETURN VALUE
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* CC: A = hSOCKET
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* CS: A = EC
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*\--------------------------------------
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SKT.bind jsr SKT.PullLocAddr
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jsr SKT.PullhFD
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lda SKT.LOC.ADDR+S.SOCKADDR.PORT
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ora SKT.LOC.ADDR+S.SOCKADDR.PORT+1
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bne .1
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jsr GetDynPort
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sta SKT.LOC.ADDR+S.SOCKADDR.PORT
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stx SKT.LOC.ADDR+S.SOCKADDR.PORT+1
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.1 ldx #1
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.2 lda FDs.pHI-1,x
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beq .7
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sta ZPTmpPtr1+1
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lda FDs.pLO-1,x
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sta ZPTmpPtr1
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lda (ZPTmpPtr1)
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cmp #S.FD.T.DSOCK
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beq .4
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cmp #S.FD.T.SSOCK
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bne .7
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ldy #S.SOCKET.AF
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lda (ZPTmpPtr1),y
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cmp #AF.INET
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bne .7
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ldy #S.SOCKET.LOC.ADDR
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.4 lda (ZPTmpPtr1),y
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cmp SKT.LOC.ADDR+S.SOCKADDR.ADDR-S.SOCKET.LOC.ADDR,y
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bne .7
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iny
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cpy #S.SOCKET.LOC.PORT+2
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bne .4
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lda #ERR.SKT.BUSY
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* sec
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rts
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.7 inx
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cpx #K.FD.MAX+1
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bne .2
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jmp SKT.SetLocAddr
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*/--------------------------------------
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* # Connect
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* Initiate a connection on a socket
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* ## C
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* `int connect(hFD fd, const struct sockaddr *addr);`
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* ## ASM
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* `>PUSHB fd`
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* `>PUSHW addr`
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* `>LIBCALL hLIBTCPIP,LIBTCPIP.socket`
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* ## RETURN VALUE
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* CC: A = hSOCKET
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* CS: A = EC
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*\--------------------------------------
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SKT.connect jsr SKT.PullRemAddr
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jsr SKT.PullhFD
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ldy #S.SOCKET.T
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lda (ZPPtrSKT),y
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tax
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jmp (J.SKT.connect,x)
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SKT.connect.RAW
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SKT.connect.DGRAM
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jmp SKT.SetRemAddr
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SKT.connect.STREAM
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SKT.connect.SEQPKT
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ldy #S.SOCKET.TCP.S
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lda (ZPPtrSKT),y
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beq .1
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cmp #S.SOCKET.TCP.S.ESTBLSH
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beq SKT.listen.8
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bcs .9
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cmp #S.SOCKET.TCP.S.OPENED
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beq .2
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cmp #S.SOCKET.TCP.S.SYNSENT
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beq .99
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.9 lda #ERR.SKT.BAD
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sec
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rts
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.1 jsr SKT.SetRemAddr
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jsr SKT.NewTCB
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bcs SKT.listen.RTS
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lda #S.SOCKET.TCP.S.OPENED
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jsr SKT.StoreTCB.S
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.2 lda #S.TCP.OPTIONS.SYN
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jsr TCP.OUT.SendOptA Send SYN
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bcs .99
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lda #S.SOCKET.TCP.S.SYNSENT
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jsr SKT.StoreTCB.S
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.99 lda #ERR.SKT.NOCONN
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sec
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rts
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*/--------------------------------------
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* # Listen
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* Listen for connections on a socket
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* ## C
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* `int listen(hFD fd);`
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* ## ASM
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* `lda fd`
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* `>LIBCALL hLIBTCPIP,LIBTCPIP.listen`
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* ## RETURN VALUE
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* CS: A = EC
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*\--------------------------------------
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SKT.listen jsr SKT.GetFD
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ldy #S.SOCKET.T
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lda (ZPPtrSKT),y
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cmp #S.SOCKET.T.SEQPKT
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bcc SKT.listen.9
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ldy #S.SOCKET.TCP.S
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lda (ZPPtrSKT),y
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bne SKT.listen.9
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lda #S.SOCKET.TCP.S.LISTEN
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sta (ZPPtrSKT),y
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ldy #S.SOCKET.O
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lda #S.SOCKET.O.ACCEPTCONN
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sta (ZPPtrSKT),y
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SKT.listen.8 clc
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rts
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SKT.listen.9 lda #ERR.SKT.BAD
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sec
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SKT.listen.RTS rts
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*/--------------------------------------
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* # Accept
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* Accept a connection on a socket
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* ## C
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* `hFD Accept(hFD fd);`
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* ## ASM
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* `lda fd`
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* `>LIBCALL hLIBTCPIP,LIBTCPIP.accept`
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* ## RETURN VALUE
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* A = hSocket
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*\--------------------------------------
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SKT.Accept jsr SKT.GetFD
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ldy #S.SOCKET.O
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lda (ZPPtrSKT),y
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and #S.SOCKET.O.ACCEPTCONN
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beq SKT.listen.9
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*--------------------------------------
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SKT.GetFromQueue
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ldy #S.SOCKET.HQ.TAIL
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lda (ZPPtrSKT),y
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iny #S.SOCKET.HQ.HEAD
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cmp (ZPPtrSKT),y
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beq .9 CS
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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 dey #S.SOCKET.HQ.TAIL
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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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.9 rts
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*/--------------------------------------
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* # Shutdown
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* Close socket
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* ## C
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* `int shutdown(int fd);`
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* ## ASM
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* `lda fd`
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* `>LIBCALL hLIBTCPIP,LIBTCPIP.shutdown`
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* ## RETURN VALUE
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*\--------------------------------------
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SKT.shutdown pha
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jsr SKT.GetFD
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ldy #S.SOCKET.O
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lda (ZPPtrSKT),y
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and #S.SOCKET.O.ACCEPTCONN
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bne SKT.shutdown.HQ
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ldy #S.SOCKET.T
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lda (ZPPtrSKT),y
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cmp #S.SOCKET.T.SEQPKT
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bcc SKT.shutdown.HQ
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bne .15
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.11 jsr SKT.GetFromQueue
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bcs .15
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>SYSCALL2 FreeMem
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bcc .11
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.15 ldy #S.SOCKET.TCP.S
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lda (ZPPtrSKT),y
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cmp #S.SOCKET.TCP.S.CLWAIT
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bne .10
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lda #S.SOCKET.TCP.S.TIMEWT
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sta (ZPPtrSKT),y
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pla
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clc
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rts
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*--------------------------------------
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.10 pla
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jsr SKT.GetTCB
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ldy #S.SOCKET.TCP.S
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lda (ZPPtrSKT),y
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cmp #S.SOCKET.TCP.S.ESTBLSH
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bne .1
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jsr TCP.OUT.SendFINACK
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lda #S.SOCKET.TCP.S.FINWT1
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jmp SKT.StoreTCB.S
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.1 cmp #S.SOCKET.TCP.S.FINWT2
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bne .2
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jsr TCP.OUT.SendFINACK
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lda #S.SOCKET.TCP.S.LASTACK
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jmp SKT.StoreTCB.S
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.2 lda #S.TCP.OPTIONS.RST
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jsr TCP.OUT.SendOptA Send RST
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.3 lda #S.SOCKET.TCP.S.TIMEWT
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jmp SKT.StoreTCB.S
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*--------------------------------------
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SKT.shutdown.HQ jsr SKT.GetFromQueue
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bcs .1
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>SYSCALL2 FreeMem
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bra SKT.shutdown.HQ
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.1 pla get hFD...
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*--------------------------------------
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SKT.FreeFD tax
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lda FDs.pHI-1,x
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stz FDs.pHI-1,x
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ldy FDs.pLO-1,x
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>SYSCALL2 Free
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rts
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*/--------------------------------------
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* # Read (STREAM)
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* ## C
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* `int skt.read(hFD fd, void *buf, int count);`
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* ## ASM
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* `>PUSHB fd`
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* `>PUSHW buf`
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* `>PUSHW count`
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* `>LIBCALL hLIBTCPIP,LIBTCPIP.read`
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* ## RETURN VALUE
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* CC: Y,A = bytes read
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* CS: A = EC
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*\--------------------------------------
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SKT.Read jsr SKT.PullhFDDataInPtrLen
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jsr SKT.GetTCB
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ldy #S.SOCKET.TCP.INUSED
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lda (ZPPtrSKT),y
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tax
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iny
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ora (ZPPtrSKT),y
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beq .8 no data, go check SKT status
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cpx ZPDataInLen XA = Data in pipe
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lda (ZPPtrSKT),y
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sbc ZPDataInLen+1
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bcs SKT.GetDataFromSktIn more data in pipe, get full buffer of data
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stx ZPDataInLen less data than INUSED, Get only INUSED data
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lda (ZPPtrSKT),y
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sta ZPDataInLen+1
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bra SKT.GetDataFromSktIn
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.8 jsr SKT.CheckStream
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bcs .99 I/O error
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lda #E.NODATA
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sec
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.99 rts
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*--------------------------------------
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* In:
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* Src : hInMem/INTAIL
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* Dst : ZPDataOutPtr/ZPDataOutLen
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* Out:
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* Y,A = bytes read
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*--------------------------------------
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SKT.GetDataFromSktIn
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ldy #S.SOCKET.SQ.hInMem
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lda (ZPPtrSKT),y
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.DO AUXPIPE=1
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>SYSCALL2 GetStkObjPtr
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.ELSE
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>SYSCALL2 GetMemPtr
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.FIN
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sty ZPTmpPtr1
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* clc
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adc SKT.Cache+S.SOCKET.TCP.INTAIL+1
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sta ZPTmpPtr1+1
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jsr SKT.GetNotDataInLen
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pha
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.DO AUXPIPE=1
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jsr SKT.SetupZPCode
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.FIN
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ldy SKT.Cache+S.SOCKET.TCP.INTAIL
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.1 inx Check if room left in dest buffer
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bne .2
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pla
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inc
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beq .8
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pha
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.2 .DO AUXPIPE=1
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jsr ZPCode
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.ELSE
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lda (ZPTmpPtr1),y
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.FIN
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sta (ZPDataInPtr)
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inc ZPDataInPtr
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bne .3
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inc ZPDataInPtr+1
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.3 iny
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bne .1
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inc ZPTmpPtr1+1
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inc SKT.Cache+S.SOCKET.TCP.INTAIL+1
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lda SKT.Cache+S.SOCKET.TCP.INTAIL+1
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cmp /K.TCP.WSIZE
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bne .1
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stz SKT.Cache+S.SOCKET.TCP.INTAIL+1
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lda ZPTmpPtr1+1
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* sec
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sbc /K.TCP.WSIZE
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sta ZPTmpPtr1+1
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bra .1
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.8 sty SKT.Cache+S.SOCKET.TCP.INTAIL
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* >ADC16 SKT.Cache+S.SOCKET.TCP.INFREE,ZPDataInLen
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ldx #S.SOCKET.TCP.INFREE
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jsr SKT.AddDataInLenAtSktX
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* >SBC16 SKT.Cache+S.SOCKET.TCP.INUSED,ZPDataInLen
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ldx #S.SOCKET.TCP.INUSED
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jsr SKT.SubDataInLenAtSktX
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lda ZPDataInLen
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ldy ZPDataInLen+1
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ldx #S.SOCKET.TCP.INACKNUM
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jsr TCP.AddAYToSktCacheAtX
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jsr SKT.StoreTCB
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lda #S.TCP.OPTIONS.ACK
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jsr TCP.SetSocketTCPO
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>LDYA ZPDataInLen
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clc
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rts
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*--------------------------------------
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* From TCP.IN
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* Src : ZPDataInPtr/ZPDataInLen
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* Dst : hInMem/INHEAD
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*--------------------------------------
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SKT.AddDataToSktIn
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lda SKT.Cache+S.SOCKET.TCP.INFREE
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sec
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sbc ZPDataInLen
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tax
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lda SKT.Cache+S.SOCKET.TCP.INFREE+1
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sbc ZPDataInLen+1
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bcc .9 Not enough room in Q
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stx SKT.Cache+S.SOCKET.TCP.INFREE
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sta SKT.Cache+S.SOCKET.TCP.INFREE+1
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ldy #S.SOCKET.SQ.hInMem
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lda (ZPPtrSKT),y
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.DO AUXPIPE=1
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>SYSCALL2 GetStkObjPtr
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.ELSE
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>SYSCALL2 GetMemPtr
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.FIN
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sty ZPTmpPtr1
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* clc
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adc SKT.Cache+S.SOCKET.TCP.INHEAD+1
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sta ZPTmpPtr1+1
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jsr SKT.GetNotDataInLen
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pha
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ldy SKT.Cache+S.SOCKET.TCP.INHEAD
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.1 .DO AUXPIPE=1
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sta IO.SETWRITEAUX
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.FIN
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.2 inx
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bne .3
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pla
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inc
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beq .8
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pha
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.3 lda (ZPDataInPtr)
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sta (ZPTmpPtr1),y
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inc ZPDataInPtr
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bne .4
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inc ZPDataInPtr+1
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.4 iny
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bne .2
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|
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.DO AUXPIPE=1
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sta IO.CLRWRITEAUX
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.FIN
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inc ZPTmpPtr1+1
|
||
inc SKT.Cache+S.SOCKET.TCP.INHEAD+1
|
||
lda SKT.Cache+S.SOCKET.TCP.INHEAD+1
|
||
cmp /K.TCP.WSIZE
|
||
bne .1
|
||
|
||
stz SKT.Cache+S.SOCKET.TCP.INHEAD+1
|
||
lda ZPTmpPtr1+1
|
||
* sec
|
||
sbc /K.TCP.WSIZE
|
||
sta ZPTmpPtr1+1
|
||
bra .1
|
||
|
||
.9 sec
|
||
rts
|
||
|
||
.8 .DO AUXPIPE=1
|
||
sta IO.CLRWRITEAUX
|
||
.FIN
|
||
sty SKT.Cache+S.SOCKET.TCP.INHEAD
|
||
|
||
* >ADC16 SKT.Cache+S.SOCKET.TCP.INUSED,ZPDataInLen
|
||
ldx #S.SOCKET.TCP.INUSED
|
||
jsr SKT.AddDataInLenAtSktX
|
||
|
||
clc
|
||
rts
|
||
*/--------------------------------------
|
||
* # Write (STREAM)
|
||
* ## C
|
||
* `int skt.write(hFD fd, const void *buf, int count);`
|
||
* ## ASM
|
||
* `>PUSHB fd`
|
||
* `>PUSHW buf`
|
||
* `>PUSHW count`
|
||
* `>LIBCALL hLIBTCPIP,LIBTCPIP.write`
|
||
* ## RETURN VALUE
|
||
* CC: Y,A = bytes written
|
||
* CS: A = EC
|
||
*\--------------------------------------
|
||
SKT.Write jsr SKT.PullhFDDataInPtrLen
|
||
|
||
jsr SKT.CheckStream
|
||
bcs .99
|
||
|
||
jsr SKT.GetTCB
|
||
|
||
ldx SKT.Cache+S.SOCKET.TCP.OUTFREE
|
||
cpx ZPDataInLen
|
||
lda SKT.Cache+S.SOCKET.TCP.OUTFREE+1
|
||
sbc ZPDataInLen+1
|
||
bcs SKT.AddDataToSktOut
|
||
|
||
lda #E.NODATA Not enough room in Q,no data transfered
|
||
sec
|
||
.99 rts
|
||
*--------------------------------------
|
||
* Src : ZPDataInPtr/ZPDataInLen
|
||
* Dst : hOutMem/OUTHEAD
|
||
*--------------------------------------
|
||
SKT.AddDataToSktOut
|
||
ldy #S.SOCKET.SQ.hOutMem
|
||
lda (ZPPtrSKT),y
|
||
|
||
.DO AUXPIPE=1
|
||
>SYSCALL2 GetStkObjPtr
|
||
.ELSE
|
||
>SYSCALL2 GetMemPtr
|
||
.FIN
|
||
|
||
sty ZPTmpPtr1
|
||
|
||
* clc
|
||
|
||
adc SKT.Cache+S.SOCKET.TCP.OUTHEAD+1
|
||
sta ZPTmpPtr1+1
|
||
|
||
ldy SKT.Cache+S.SOCKET.TCP.OUTHEAD
|
||
|
||
jsr SKT.GetNotDataInLen
|
||
pha
|
||
|
||
.1 .DO AUXPIPE=1
|
||
sta IO.SETWRITEAUX
|
||
.FIN
|
||
|
||
.2 inx
|
||
bne .3
|
||
|
||
pla
|
||
inc
|
||
beq .8
|
||
|
||
pha
|
||
|
||
.3 lda (ZPDataInPtr)
|
||
sta (ZPTmpPtr1),y
|
||
|
||
inc ZPDataInPtr
|
||
bne .4
|
||
|
||
inc ZPDataInPtr+1
|
||
|
||
.4 iny
|
||
bne .2
|
||
|
||
inc ZPTmpPtr1+1
|
||
.DO AUXPIPE=1
|
||
sta IO.CLRWRITEAUX
|
||
.FIN
|
||
inc SKT.Cache+S.SOCKET.TCP.OUTHEAD+1
|
||
lda SKT.Cache+S.SOCKET.TCP.OUTHEAD+1
|
||
cmp /K.TCP.WSIZE
|
||
bne .1
|
||
|
||
stz SKT.Cache+S.SOCKET.TCP.OUTHEAD+1
|
||
|
||
lda ZPTmpPtr1+1
|
||
* sec
|
||
sbc /K.TCP.WSIZE
|
||
sta ZPTmpPtr1+1
|
||
bra .1
|
||
|
||
.8 .DO AUXPIPE=1
|
||
sta IO.CLRWRITEAUX
|
||
.FIN
|
||
sty SKT.Cache+S.SOCKET.TCP.OUTHEAD
|
||
|
||
* >SBC16 SKT.Cache+S.SOCKET.TCP.OUTFREE,ZPDataInLen
|
||
ldx #S.SOCKET.TCP.OUTFREE
|
||
jsr SKT.SubDataInLenAtSktX
|
||
|
||
* >ADC16 SKT.Cache+S.SOCKET.TCP.OUTUSED,ZPDataInLen
|
||
ldx #S.SOCKET.TCP.OUTUSED
|
||
jsr SKT.AddDataInLenAtSktX
|
||
|
||
* >ADC16 SKT.Cache+S.SOCKET.TCP.OUTTOSEND,ZPDataInLen
|
||
ldx #S.SOCKET.TCP.OUTTOSEND
|
||
jsr SKT.AddDataInLenAtSktX
|
||
|
||
jsr SKT.StoreTCB
|
||
|
||
>LDYA ZPDataInLen
|
||
clc
|
||
rts
|
||
*--------------------------------------
|
||
SKT.AddDataInLenAtSktX
|
||
clc
|
||
lda SKT.Cache,x
|
||
adc ZPDataInLen
|
||
sta SKT.Cache,x
|
||
inx
|
||
lda SKT.Cache,x
|
||
adc ZPDataInLen+1
|
||
sta SKT.Cache,x
|
||
rts
|
||
*--------------------------------------
|
||
SKT.SubDataInLenAtSktX
|
||
sec
|
||
lda SKT.Cache,x
|
||
sbc ZPDataInLen
|
||
sta SKT.Cache,x
|
||
inx
|
||
lda SKT.Cache,x
|
||
sbc ZPDataInLen+1
|
||
sta SKT.Cache,x
|
||
rts
|
||
*--------------------------------------
|
||
* From TCP.OUT
|
||
* Src : hOutMem/OUTTAIL
|
||
* Dst : ZPDataOutPtr/ZPDataOutLen
|
||
*--------------------------------------
|
||
SKT.GetDataFromSktOut
|
||
ldy #S.SOCKET.SQ.hOutMem
|
||
lda (ZPPtrSKT),y
|
||
|
||
.DO AUXPIPE=1
|
||
>SYSCALL2 GetStkObjPtr
|
||
.ELSE
|
||
>SYSCALL2 GetMemPtr
|
||
.FIN
|
||
|
||
sty ZPTmpPtr1
|
||
|
||
* clc
|
||
adc SKT.Cache+S.SOCKET.TCP.OUTTAILSENT+1
|
||
sta ZPTmpPtr1+1
|
||
lda ZPDataOutLen
|
||
eor #$FF
|
||
tax
|
||
|
||
lda ZPDataOutLen+1
|
||
eor #$FF
|
||
pha
|
||
|
||
.DO AUXPIPE=1
|
||
jsr SKT.SetupZPCode
|
||
.FIN
|
||
|
||
ldy SKT.Cache+S.SOCKET.TCP.OUTTAILSENT
|
||
|
||
.1 inx
|
||
bne .2
|
||
|
||
pla
|
||
inc
|
||
beq .8
|
||
|
||
pha
|
||
|
||
.2 .DO AUXPIPE=1
|
||
jsr ZPCode
|
||
.ELSE
|
||
lda (ZPTmpPtr1),y
|
||
.FIN
|
||
sta (ZPDataOutPtr)
|
||
inc ZPDataOutPtr
|
||
bne .3
|
||
|
||
inc ZPDataOutPtr+1
|
||
|
||
.3 iny
|
||
bne .1
|
||
|
||
inc ZPTmpPtr1+1
|
||
inc SKT.Cache+S.SOCKET.TCP.OUTTAILSENT+1
|
||
lda SKT.Cache+S.SOCKET.TCP.OUTTAILSENT+1
|
||
cmp /K.TCP.WSIZE
|
||
bne .1
|
||
|
||
stz SKT.Cache+S.SOCKET.TCP.OUTTAILSENT+1
|
||
|
||
lda ZPTmpPtr1+1
|
||
* sec
|
||
sbc /K.TCP.WSIZE
|
||
sta ZPTmpPtr1+1
|
||
bra .1
|
||
|
||
.8 sty SKT.Cache+S.SOCKET.TCP.OUTTAILSENT
|
||
|
||
>SBC16 SKT.Cache+S.SOCKET.TCP.OUTTOSEND,ZPDataOutLen
|
||
|
||
clc
|
||
rts
|
||
*/--------------------------------------
|
||
* # RecvFrom (RAW,DGRAM)
|
||
* ## C
|
||
* `hMem recvfrom(hFD fd, struct sockaddr *addr);`
|
||
* ## ASM
|
||
* `>PUSHB fd`
|
||
* `>PUSHW addr` (RecvFrom)
|
||
* `>LIBCALL hLIBTCPIP,LIBTCPIP.Recv`
|
||
* ## RETURN VALUE
|
||
* CC: A = hMem
|
||
* CS: A = EC
|
||
*\--------------------------------------
|
||
SKT.RecvFrom >PULLW ZPTmpPtr1 addr
|
||
>PULLA
|
||
sec
|
||
.HS 90 BCC
|
||
*/--------------------------------------
|
||
* # Recv (RAW,DGRAM,SEQPKT)
|
||
* ## C
|
||
* `hMem recv(hFD fd);`
|
||
* ## ASM
|
||
* `lda fd`
|
||
* `>LIBCALL hLIBTCPIP,LIBTCPIP.Recv`
|
||
* ## RETURN VALUE
|
||
* CC: A = hMem
|
||
* CS: A = EC
|
||
*\--------------------------------------
|
||
SKT.Recv clc
|
||
php
|
||
jsr SKT.GetFD
|
||
|
||
ldy #S.SOCKET.T
|
||
lda (ZPPtrSKT),y
|
||
cmp #S.SOCKET.T.SEQPKT
|
||
bcc .10 RAW,DGRAM
|
||
|
||
bne .98 STREAM
|
||
|
||
jsr SKT.GetFromQueue SEQPKT
|
||
bcs .1
|
||
|
||
pha
|
||
>SYSCALL2 GetMemPtr
|
||
>STYA ZPFrameInPtr
|
||
|
||
jsr TCP.IN.SetDataInPtrAndLen
|
||
|
||
jsr SKT.GetTCB
|
||
|
||
lda ZPDataInLen
|
||
ldy ZPDataInLen+1
|
||
ldx #S.SOCKET.TCP.INACKNUM
|
||
jsr TCP.AddAYToSktCacheAtX
|
||
|
||
jsr SKT.StoreTCB
|
||
|
||
lda #S.TCP.OPTIONS.ACK
|
||
* jsr TCP.OUT.SendOptA
|
||
jsr TCP.SetSocketTCPO
|
||
|
||
pla
|
||
plp
|
||
clc
|
||
rts
|
||
|
||
.1 jsr SKT.CheckTCP
|
||
bcs .91
|
||
|
||
.90 lda #E.NODATA
|
||
.91 plp
|
||
sec
|
||
rts
|
||
|
||
.98 plp
|
||
.99 lda #ERR.SKT.BAD
|
||
sec
|
||
rts
|
||
*--------------------------------------
|
||
.10 jsr SKT.GetFromQueue
|
||
bcs .90
|
||
|
||
plp if CS, RecvFrom
|
||
bcc .9 CC, Recv : Exit with CC and A=hFrame
|
||
|
||
pha
|
||
>SYSCALL2 GetMemPtr
|
||
>STYA ZPFrameInPtr
|
||
|
||
ldy #S.IP.SRC
|
||
|
||
.2 lda (ZPFrameInPtr),y
|
||
sta SA.REMOTE+S.SOCKADDR.ADDR-S.IP.SRC,y
|
||
iny
|
||
cpy #S.IP.SRC+4
|
||
bne .2
|
||
|
||
ldy #S.IP.PROTOCOL
|
||
lda (ZPFrameInPtr),y
|
||
cmp #S.IP.PROTOCOL.ICMP
|
||
bne .3
|
||
|
||
ldy #S.ICMP.IDENTIFIER
|
||
bra .7
|
||
|
||
.3 cmp #S.IP.PROTOCOL.TCP
|
||
beq .6
|
||
|
||
cmp #S.IP.PROTOCOL.UDP
|
||
bne .8
|
||
|
||
.6 ldy #S.TCPUDP.SRCPORT
|
||
|
||
.7 lda (ZPFrameInPtr),y
|
||
sta SA.REMOTE+S.SOCKADDR+1
|
||
iny
|
||
lda (ZPFrameInPtr),y
|
||
sta SA.REMOTE+S.SOCKADDR
|
||
|
||
.8 ldy #S.SOCKADDR-1
|
||
|
||
.80 lda SA.REMOTE,y
|
||
sta (ZPTmpPtr1),y
|
||
dey
|
||
bpl .80
|
||
|
||
pla
|
||
clc
|
||
.9 rts
|
||
*/--------------------------------------
|
||
* # SendTo (RAW,DGRAM,SEQPKT)
|
||
* ## C
|
||
* `int skt.sendto(hFD fd, const void *buf, int count, const struct sockaddr *addr);`
|
||
* ## ASM
|
||
* `>PUSHB fd`
|
||
* `>PUSHW buf`
|
||
* `>PUSHWI count`
|
||
* `>PUSHW addr`
|
||
* `>LIBCALL hLIBTCPIP,LIBTCPIP.sendto`
|
||
* ## RETURN VALUE
|
||
* CC: Y,A = bytes written
|
||
* CS: A = EC
|
||
*\--------------------------------------
|
||
SKT.SendTo jsr SKT.PullRemAddr
|
||
*/--------------------------------------
|
||
* # Send (RAW,DGRAM,SEQPKT)
|
||
* ## C
|
||
* `int skt.send(hFD fd, const void *buf, int count);`
|
||
* ## ASM
|
||
* `>PUSHB fd`
|
||
* `>PUSHW buf`
|
||
* `>PUSHWI count`
|
||
* `>LIBCALL hLIBTCPIP,LIBTCPIP.send`
|
||
* ## RETURN VALUE
|
||
* CC: Y,A = bytes written
|
||
* CS: A = EC
|
||
*\--------------------------------------
|
||
SKT.Send jsr SKT.PullhFDDataInPtrLen
|
||
|
||
ldy #S.SOCKET.T
|
||
lda (ZPPtrSKT),y
|
||
cmp #S.SOCKET.T.STREAM
|
||
bcs *
|
||
tax
|
||
jmp (J.SKT.send,x)
|
||
*--------------------------------------
|
||
SKT.Send.RAW ldy #S.SOCKET.PROTO
|
||
lda (ZPPtrSKT),y
|
||
tax
|
||
>LDYA ZPDataInLen
|
||
jsr FRM.NewIP
|
||
bcc SKT.Send.8
|
||
|
||
rts
|
||
*--------------------------------------
|
||
SKT.Send.DGRAM ldx #S.IP.PROTOCOL.UDP
|
||
>LDYA ZPDataInLen
|
||
jsr FRM.NewIP
|
||
bcs SKT.Send.9
|
||
|
||
jsr SKT.SetFrameOutTCPUDPPorts
|
||
|
||
SKT.Send.8 jsr SKT.SetFrameOutDstIP
|
||
jsr SKT.CopyDataInToOut
|
||
clc Queue if fail
|
||
jmp FRM.SendIP
|
||
*--------------------------------------
|
||
SKT.Send.SEQPKT jsr SKT.CheckTCP
|
||
bcs SKT.Send.9
|
||
|
||
>LDYA ZPDataInLen
|
||
jsr TCP.NewFrame
|
||
bcs SKT.Send.9
|
||
|
||
jsr SKT.GetTCB
|
||
|
||
jsr SKT.CopyDataInToOut
|
||
|
||
jmp TCP.OUT.SEQSEND
|
||
*--------------------------------------
|
||
SKT.Send.STREAM lda #ERR.SKT.BAD
|
||
sec
|
||
SKT.Send.9 rts
|
||
*/--------------------------------------
|
||
* # GetSockOpt
|
||
* Set Socket Options
|
||
* ## C
|
||
* `int getsockopt(hFD fd);`
|
||
* ## ASM
|
||
* `lda fd`
|
||
* `>LIBCALL hLIBTCPIP,LIBTCPIP.GetSockOpt`
|
||
* ## RETURN VALUE
|
||
*\--------------------------------------
|
||
SKT.getsockopt jsr SKT.GetFD
|
||
ldy #S.SOCKET.O
|
||
lda (ZPPtrSKT),y
|
||
* clc
|
||
rts
|
||
*/--------------------------------------
|
||
* # SetSockOpt
|
||
* Set Socket Options
|
||
* ## C
|
||
* `int setsockopt(hFD fd, short int opts);`
|
||
* ## ASM
|
||
* `>PUSHB fd`
|
||
* `>PUSHB opts`
|
||
* `>LIBCALL hLIBTCPIP,LIBTCPIP.SetSockOpt`
|
||
* ## RETURN VALUE
|
||
*\--------------------------------------
|
||
SKT.setsockopt >PULLA
|
||
pha
|
||
|
||
jsr SKT.PullhFD
|
||
|
||
pla
|
||
ldy #S.SOCKET.O
|
||
sta (ZPPtrSKT),y
|
||
* clc
|
||
rts
|
||
*/--------------------------------------
|
||
* # EOF
|
||
* End Of File
|
||
* ## C
|
||
* `int eof(hFD fd);`
|
||
* ## ASM
|
||
* `lda fd`
|
||
* `>LIBCALL hLIBTCPIP,LIBTCPIP.EOF`
|
||
* ## RETURN VALUE
|
||
* CC : A = 0 if some data, A = $ff if EOF
|
||
* CS : A = Socket Error
|
||
*\--------------------------------------
|
||
SKT.EOF jsr SKT.GetFD
|
||
|
||
ldy #S.SOCKET.TCP.INUSED
|
||
lda (ZPPtrSKT),y
|
||
iny
|
||
ora (ZPPtrSKT),y
|
||
bne .8 some DATA...
|
||
|
||
jsr SKT.CheckStream
|
||
bcs .9
|
||
|
||
lda #$ff no DATA, EOF = true
|
||
* clc
|
||
rts
|
||
|
||
.8 lda #0 ...EOF = false
|
||
|
||
* clc
|
||
.9 rts
|
||
*--------------------------------------
|
||
SKT.CheckStream lda #S.SOCKET.T.STREAM
|
||
|
||
ldy #S.SOCKET.T
|
||
cmp (ZPPtrSKT),y
|
||
bne SKT.BAD
|
||
|
||
SKT.CheckTCP ldy #S.SOCKET.O
|
||
lda (ZPPtrSKT),y
|
||
and #S.SOCKET.O.ACCEPTCONN
|
||
bne SKT.BAD
|
||
|
||
ldy #S.SOCKET.TCP.S
|
||
lda (ZPPtrSKT),y
|
||
cmp #S.SOCKET.TCP.S.ESTBLSH
|
||
beq .8
|
||
|
||
bcc .9
|
||
|
||
lda #MLI.E.IO
|
||
* sec
|
||
rts
|
||
|
||
.8 lda #0
|
||
clc
|
||
rts
|
||
|
||
.9 lda #ERR.SKT.NOCONN
|
||
sec
|
||
rts
|
||
|
||
SKT.BAD lda #ERR.SKT.BAD
|
||
sec
|
||
rts
|
||
*--------------------------------------
|
||
SKT.PullhFDDataInPtrLen
|
||
>PULLW ZPDataInLen !!!use DataInPtr/Len
|
||
>PULLW ZPDataInPtr !!!DataOut trashed when sending ACK in TCP.OUT
|
||
|
||
SKT.PullhFD >PULLA
|
||
|
||
SKT.GetFD tax
|
||
lda FDs.pHI-1,x
|
||
ldy FDs.pLO-1,x
|
||
|
||
>STYA ZPPtrSKT
|
||
rts
|
||
*--------------------------------------
|
||
SKT.PullLocAddr clc
|
||
.HS B0 BCS
|
||
*--------------------------------------
|
||
SKT.PullRemAddr sec
|
||
>PULLW ZPTmpPtr1
|
||
ldy #S.SOCKADDR-1
|
||
|
||
ldx #S.SOCKADDR-1
|
||
bcc .1
|
||
|
||
ldx #S.SOCKADDR+S.SOCKADDR-1
|
||
|
||
.1 lda (ZPTmpPtr1),y
|
||
sta SKT.LOC.ADDR,x
|
||
dex
|
||
dey
|
||
bpl .1
|
||
|
||
rts
|
||
*--------------------------------------
|
||
SKT.SetLocAddr ldy #S.SOCKET.LOC.PORT+1
|
||
|
||
.1 lda SKT.LOC.ADDR+S.SOCKADDR.ADDR-S.SOCKET.LOC.ADDR,y
|
||
sta (ZPPtrSKT),y
|
||
dey
|
||
cpy #S.SOCKET.LOC.ADDR
|
||
bcs .1
|
||
|
||
rts
|
||
*--------------------------------------
|
||
SKT.SetRemAddr ldy #S.SOCKET.REM.PORT+1
|
||
|
||
.1 lda SKT.REM.ADDR+S.SOCKADDR.ADDR-S.SOCKET.REM.ADDR,y
|
||
sta (ZPPtrSKT),y
|
||
dey
|
||
cpy #S.SOCKET.REM.ADDR
|
||
bcs .1
|
||
|
||
rts
|
||
*--------------------------------------
|
||
* SKT.REM.ADDR = Incoming Frame SRC
|
||
* SKT.LOC.ADDR = Incoming Frame DST
|
||
*--------------------------------------
|
||
SKT.FindMatchingLocRem
|
||
ldx #1
|
||
|
||
.1 lda FDs.pHI-1,x
|
||
beq .8
|
||
|
||
ldy FDs.pLO-1,x
|
||
|
||
>STYA ZPPtrSKT
|
||
|
||
ldy #S.SOCKET.AF
|
||
lda (ZPPtrSKT),y
|
||
cmp #AF.INET
|
||
bne .8
|
||
|
||
ldy #S.SOCKET.PROTO
|
||
lda (ZPPtrSKT),y
|
||
|
||
ldy #S.IP.PROTOCOL
|
||
cmp (ZPFrameInPtr),y
|
||
bne .8
|
||
|
||
ldy #S.SOCKET.LOC.ADDR
|
||
|
||
.2 lda (ZPPtrSKT),y
|
||
bne .4
|
||
|
||
ldy #S.SOCKET.LOC.PORT bound to 0.0.0.0,check only LOC port
|
||
|
||
.3 lda (ZPPtrSKT),y
|
||
|
||
.4 cmp SKT.LOC.ADDR+S.SOCKADDR.ADDR-S.SOCKET.LOC.ADDR,y
|
||
bne .8
|
||
|
||
iny
|
||
cpy #S.SOCKET.LOC.PORT+2
|
||
bne .3
|
||
|
||
ldy #S.SOCKET.O
|
||
lda (ZPPtrSKT),y
|
||
and #S.SOCKET.O.ACCEPTCONN
|
||
beq .6
|
||
|
||
ldy #S.TCP.OPTIONS Listening, only SYN packet....
|
||
lda (ZPFrameInPtr),y
|
||
cmp #S.TCP.OPTIONS.SYN
|
||
beq .7 SYN received on a LISTEN socket, ok
|
||
|
||
bne .8 bad packet for this listening
|
||
|
||
.6 lda SKT.REM.ADDR+S.SOCKADDR.ADDR
|
||
cmp #$ff incoming frame is FF.FF.FF.FF, Broadcast ?
|
||
bne .41
|
||
|
||
* ldy #S.SOCKET.O
|
||
lda (ZPPtrSKT),y
|
||
and #S.SOCKET.O.BROADCAST
|
||
bne .43
|
||
* sec
|
||
rts this socket does not accept broadcast
|
||
|
||
.41 ldy #S.SOCKET.REM.ADDR
|
||
|
||
lda (ZPPtrSKT),y
|
||
bne .44
|
||
|
||
.43 ldy #S.SOCKET.REM.PORT Frame is Broadcast, or listening is 0.0.0.0 check port only
|
||
|
||
.42 lda (ZPPtrSKT),y
|
||
|
||
.44 cmp SKT.REM.ADDR+S.SOCKADDR.ADDR-S.SOCKET.REM.ADDR,y
|
||
bne .8 wrong remote host, exit....
|
||
|
||
iny
|
||
cpy #S.SOCKET.REM.PORT+2
|
||
bne .42
|
||
|
||
.7 clc x = hFD
|
||
rts
|
||
|
||
.8 inx
|
||
cpx #K.FD.MAX+1
|
||
bcc .1
|
||
|
||
* sec
|
||
rts
|
||
*--------------------------------------
|
||
SKT.AddToQueueA pha
|
||
ldy #S.SOCKET.HQ.HEAD
|
||
lda (ZPPtrSKT),y
|
||
tax
|
||
inc
|
||
cmp #S.SOCKET.HQ.MAX
|
||
bne .1
|
||
|
||
lda #0
|
||
|
||
.1 dey #S.SOCKET.HQ.TAIL
|
||
cmp (ZPPtrSKT),y
|
||
beq .9 Queue full!!
|
||
|
||
iny #S.SOCKET.HQ.HEAD
|
||
sta (ZPPtrSKT),y
|
||
txa
|
||
clc
|
||
adc #S.SOCKET.HQ
|
||
tay
|
||
|
||
pla
|
||
sta (ZPPtrSKT),y
|
||
clc
|
||
rts
|
||
|
||
.9 pla dicard hFrame
|
||
* sec
|
||
rts
|
||
*--------------------------------------
|
||
SKT.NewTCB ldx #S.SOCKET.TCP.INSEQNUM
|
||
|
||
.1 stz SKT.Cache,x
|
||
inx
|
||
cpx #S.SOCKET.TCP
|
||
bne .1
|
||
|
||
ldx #3
|
||
|
||
.2 lda A2osX.T16,x
|
||
sta SKT.Cache+S.SOCKET.TCP.OUTNEXTSEQ,x
|
||
dex
|
||
bpl .2
|
||
|
||
ldy #S.SOCKET.T
|
||
lda (ZPPtrSKT),y
|
||
cmp #S.SOCKET.T.SEQPKT
|
||
bcc .8
|
||
|
||
tax
|
||
|
||
>LDYAI K.TCP.WSIZE
|
||
>STYA SKT.Cache+S.SOCKET.TCP.INFREE
|
||
|
||
cpx #S.SOCKET.T.STREAM
|
||
bcc .8
|
||
|
||
.DO AUXPIPE=1
|
||
>SYSCALL2 NewStkObj
|
||
.ELSE
|
||
>SYSCALL2 getmem
|
||
.FIN
|
||
bcs .9
|
||
|
||
txa
|
||
ldy #S.SOCKET.SQ.hInMem
|
||
sta (ZPPtrSKT),y
|
||
|
||
>LDYAI K.TCP.WSIZE
|
||
>STYA SKT.Cache+S.SOCKET.TCP.OUTFREE
|
||
|
||
.DO AUXPIPE=1
|
||
>SYSCALL2 NewStkObj
|
||
.ELSE
|
||
>SYSCALL2 getmem
|
||
.FIN
|
||
bcs .9
|
||
|
||
txa
|
||
ldy #S.SOCKET.SQ.hOutMem
|
||
sta (ZPPtrSKT),y
|
||
.8
|
||
* clc
|
||
.9 rts
|
||
*--------------------------------------
|
||
SKT.GetTCB ldy #S.SOCKET.TCP.INSEQNUM
|
||
|
||
.1 lda (ZPPtrSKT),y
|
||
sta SKT.Cache,y
|
||
iny
|
||
cpy #S.SOCKET.TCP
|
||
bne .1
|
||
|
||
rts
|
||
*--------------------------------------
|
||
SKT.StoreTCB.S ldy #S.SOCKET.TCP.S
|
||
sta (ZPPtrSKT),y
|
||
|
||
SKT.StoreTCB ldy #S.SOCKET.TCP.INSEQNUM
|
||
|
||
.1 lda SKT.Cache,y
|
||
sta (ZPPtrSKT),y
|
||
iny
|
||
cpy #S.SOCKET.TCP
|
||
bne .1
|
||
|
||
clc
|
||
rts
|
||
*--------------------------------------
|
||
SKT.SetFrameOutDstIP
|
||
ldx #3
|
||
|
||
ldy #S.SOCKET.REM.ADDR
|
||
lda (ZPPtrSKT),y
|
||
beq .3 Socket Bound to 0.0.0.0...
|
||
|
||
.1 lda (ZPPtrSKT),y
|
||
pha
|
||
iny
|
||
dex
|
||
bpl .1
|
||
|
||
ldy #S.IP.DST+3
|
||
ldx #3
|
||
|
||
.2 pla
|
||
sta (ZPFrameOutPtr),y
|
||
dey
|
||
dex
|
||
bpl .2
|
||
|
||
rts
|
||
.3 ldy #S.IP.DST+3 ...sent to provided SentTo ADDR
|
||
|
||
.4 lda SKT.REM.ADDR+S.SOCKADDR.ADDR,x
|
||
sta (ZPFrameOutPtr),y
|
||
dey
|
||
dex
|
||
bpl .4
|
||
|
||
rts
|
||
*--------------------------------------
|
||
SKT.SetFrameOutTCPUDPPorts
|
||
ldy #S.SOCKET.LOC.PORT
|
||
lda (ZPPtrSKT),y
|
||
tax
|
||
iny
|
||
lda (ZPPtrSKT),y
|
||
ldy #S.TCPUDP.SRCPORT
|
||
sta (ZPFrameOutPtr),y
|
||
iny
|
||
txa
|
||
sta (ZPFrameOutPtr),y
|
||
|
||
ldy #S.SOCKET.REM.PORT
|
||
lda (ZPPtrSKT),y
|
||
beq .1
|
||
|
||
tax
|
||
iny
|
||
lda (ZPPtrSKT),y
|
||
bra .2
|
||
|
||
.1 lda SKT.REM.ADDR+S.SOCKADDR.PORT+1
|
||
ldx SKT.REM.ADDR+S.SOCKADDR.PORT
|
||
|
||
.2 ldy #S.TCPUDP.DSTPORT
|
||
sta (ZPFrameOutPtr),y
|
||
iny
|
||
txa
|
||
sta (ZPFrameOutPtr),y
|
||
|
||
rts
|
||
*--------------------------------------
|
||
SKT.GetNotDataInLen
|
||
lda ZPDataInLen
|
||
eor #$FF
|
||
tax
|
||
|
||
lda ZPDataInLen+1
|
||
eor #$FF
|
||
rts
|
||
*--------------------------------------
|
||
SKT.CopyDataInToOut
|
||
lda ZPDataInPtr+1
|
||
pha
|
||
lda ZPDataOutPtr+1
|
||
pha
|
||
|
||
jsr SKT.GetNotDataInLen
|
||
pha
|
||
ldy #0
|
||
|
||
.1 inx
|
||
bne .2
|
||
|
||
pla
|
||
inc
|
||
beq .9
|
||
|
||
pha
|
||
|
||
.2 lda (ZPDataInPtr),y
|
||
sta (ZPDataOutPtr),y
|
||
iny
|
||
bne .1
|
||
|
||
inc ZPDataInPtr+1
|
||
inc ZPDataOutPtr+1
|
||
bne .1
|
||
|
||
.9 pla
|
||
sta ZPDataOutPtr+1
|
||
pla
|
||
sta ZPDataInPtr+1
|
||
rts
|
||
*--------------------------------------
|
||
.DO AUXPIPE=1
|
||
SKT.SetupZPCode ldy #ZP.CODE.Len-1
|
||
|
||
.1 lda ZP.CODE,y
|
||
sta ZPCode,y
|
||
dey
|
||
bpl .1
|
||
|
||
rts
|
||
.FIN
|
||
*--------------------------------------
|
||
MAN
|
||
SAVE usr/src/lib/libtcpip.s.skt
|
||
LOAD usr/src/lib/libtcpip.s
|
||
ASM
|