A2osX/BIN/RPCDUMP.S.txt

PR#3
PREFIX /A2OSX.SRC
NEW
INC 1
AUTO 6
				.LIST OFF
				.OP	65C02
				.OR	$2000
				.TF /A2OSX.DEV/BIN/RPCDUMP
*--------------------------------------
				.INB /A2OSX.DEV/INC/MACROS.I
				.INB /A2OSX.DEV/INC/A2OSX.I
				.INB /A2OSX.DEV/INC/LIBTCPIP.I
*--------------------------------------
TIMEOUT.MAX		.EQ 40					40*100ms = 4 sec.
*--------------------------------------
ZPIPCfgPtr		.EQ ZPBIN
ZPFrameBase		.EQ ZPBIN+2
*--------------------------------------
*			File Header (16 Bytes)
*--------------------------------------
CS.START		cld
				jmp (.1,x)
				.DA #$61				6502,Level 1 (65c02)
				.DA #1					BIN Layout Version 1
				.DA 0
				.DA CS.END-CS.START		Code Length To Relocate
				.DA DS.END-DS.START		Data Segment to Allocate
				.DA 0
				.DA 0
*--------------------------------------
.1				.DA CS.INIT
				.DA CS.RUN
				.DA CS.DOEVENT		
				.DA	CS.QUIT
L.LIBTCPIP		.DA LIBTCPIP
L.Socket		.DA Socket
L.Socket.Dst.Addr	.DA Socket.Dst.Addr
L.RPC.Request	.DA RPC.Request
L.MSG.USAGE		.DA MSG.USAGE
L.MSG.UNKNOWN	.DA MSG.UNKNOWN
L.MSG.TIMEOUT	.DA MSG.TIMEOUT
L.MSG.DUMP0		.DA MSG.DUMP0
L.MSG.DUMP1		.DA MSG.DUMP1
				.DA 0
*--------------------------------------
CS.INIT			>SYSCALL GetArgC
				cmp #1
				beq .99

				>LDYA L.LIBTCPIP
				>SYSCALL LoadLibYA
				sta hLIBTCPIP

				>LIBCALL hLIBTCPIP,LIBTCPIP.GET.IPCFG	is TCPIP loaded ?
				bcs .99
				>STYA ZPIPCfgPtr
				
				lda (ZPIPCfgPtr)		Configured ?
				bpl .99
				
				ldx #3
				ldy #S.IPCFG.IP+3
.1				lda (ZPIPCfgPtr),y
				sta Socket.Src.Addr,x
				dey
				dex
				bpl .1
				
				lda (pPs)
				ora #S.PS.F.EVENT		Now accept events
				sta (pPs)
				clc
				rts
				
.99				>LDYA L.MSG.USAGE
				>SYSCALL CPrintFYA
				lda #SYSMGR.ERRSYN
				sec
				rts
*--------------------------------------
CS.RUN			jsr Init.Timeout
				
.1				>PUSHW L.Socket.Dst.Addr
				lda #1
				>SYSCALL GetArgA
				>PUSHYA
				>LIBCALL hLIBTCPIP,LIBTCPIP.HST.GETBYNAME
				bcc .2

				>SYSCALL Sleep
				jsr Wait.Timeout
				bcc .1
				
				lda #1
				>SYSCALL GetArgA
				>PUSHYA
				>LDYA L.MSG.UNKNOWN
				>SYSCALL CPrintFYA
				sec
				rts
				
.2				>PUSHW L.Socket
				>LIBCALL hLIBTCPIP,LIBTCPIP.SKT.NEW
				bcs .99
				
				txa
				ldy #hSocket
				sta (pData),y
				
.3				>PUSHWI RPC.Request.End-RPC.Request
				>PUSHW L.RPC.Request
				ldy #hSocket
				>PUSHB (pData),y
				>LIBCALL hLIBTCPIP,LIBTCPIP.SKT.SEND
				bcc .4
				
				>SYSCALL Sleep
				jsr Wait.Timeout
				bcc .3
				bra .99
				
.4				jsr Init.Timeout

.5				ldy #hSocket
				lda (pData),y
				>LIBCALL hLIBTCPIP,LIBTCPIP.SKT.RCVDA
				bcc .6
				
				>SYSCALL Sleep
				jsr Wait.Timeout
				bcc .5
				bra .99
			
.6				ldy #hFrame
				sta (pData),y
				>SYSCALL GetMemPtrA
				>STYA ZPFrameBase
				
				jsr DumpRPCFrame

				ldy #hFrame
				lda (pData),y
				>SYSCALL FreeMemA
				
				lda #0
				sec
				rts
				
.99				lda #1
				>SYSCALL GetArgA
				>PUSHYA
				>LDYA L.MSG.TIMEOUT
				>SYSCALL CPrintFYA
				sec
				rts
*--------------------------------------
CS.DOEVENT		lda (pEvent)
				bpl .9					is it a TIMER event?

				ldy #TimeOut
				lda (pData),y
				beq .9
				dec 
				sta (pData),y
.9				sec						do not discard TIMER event
				rts
*--------------------------------------
CS.QUIT			ldy #hSocket
				lda (pData),y
				>LIBCALL hLIBTCPIP,LIBTCPIP.SKT.CLOSEA
				
				lda hLIBTCPIP
				beq .8
				>SYSCALL UnloadLibA
				
.8				clc
				rts
*--------------------------------------
Init.Timeout	ldy #TimeOut
				lda #TIMEOUT.MAX
				sta (pData),y
				rts
*--------------------------------------
Wait.TimeOut	sec
				ldy #TimeOut
				lda (pData),y
				beq .9
				clc
.9				rts
*--------------------------------------
DumpRPCFrame	lda #S.UDP+24
				clc
				adc ZPFrameBase
				sta ZPFrameBase
				lda /S.UDP+24
				adc ZPFrameBase+1
				sta ZPFrameBase+1

				>LDYA L.MSG.DUMP0
				>SYSCALL CPrintFYA
				
.1				ldy #3
				lda (ZPFrameBase),y		Value follows?
				beq .9
				
				ldy #18					port
				>PUSHB (ZPFrameBase),y
				iny
				>PUSHB (ZPFrameBase),y

				ldy #15					proto
				>PUSHB (ZPFrameBase),y

				ldy #11					version
				>PUSHB (ZPFrameBase),y
				
				ldy #4					program
.7				>PUSHB (ZPFrameBase),y
				iny
				cpy #8
				bne .7

				>LDYA L.MSG.DUMP1
				>SYSCALL CPrintFYA
				
				lda #20
				clc
				adc ZPFrameBase
				sta ZPFrameBase
				bcc .1
				inc ZPFrameBase+1
				bra .1
				
.9				rts
*--------------------------------------
CS.END
LIBTCPIP		>PSTR "libtcpip.o"
MSG.USAGE		>CSTR "Usage : RPCDUMP <ip|host>\n"
MSG.UNKNOWN		>CSTR "%S: Unknown host\n"
MSG.TIMEOUT		>CSTR "No response from %S\n"
MSG.DUMP0		>CSTR "Program     Ver Proto:Port\n"
MSG.DUMP1		>CSTR "%10L  %2d     %2d:%D\n"
Socket			.DA #S.SOCKET.SOCK.DGRAM
				.BS 3
Socket.Src.Addr	.BS 4
Socket.Src.Port	.DA 0					Dynamic
Socket.Dst.Addr	.BS 4
Socket.Dst.Port	.DA UDP.PORT.PMAP
				.BS 16
*--------------------------------------
RPC.Request		.HS 12345678			XID
				.HS 00000000			0=CALL
				.HS 00000002			RPCVERS
				.HS 000186A0			PROG=portmapper
				.HS 00000002			VERS
				.HS 00000004			PMAPPROC_DUMP
				.HS 00000000			CRED
				.HS 00000000	
				.HS 00000000			VERF
				.HS 00000000
RPC.Request.End	.EQ *
hLIBTCPIP		.BS 1
*--------------------------------------
				.DUMMY
				.OR 0
DS.START
hSocket			.BS 1
hFrame			.BS 1
TimeOut			.BS 1
DS.END
				.ED
*--------------------------------------
MAN
SAVE BIN/RPCDUMP.S
ASM