tcpsync.c,v

关于TCP方面的

head	1.2;
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	dls:1.2; strict;
comment	@ * @;


1.2
date	97.09.21.19.29.52;	author dls;	state Dist;
branches;
next	1.1;

1.1
date	94.01.14.03.51.20;	author dls;	state v2e1;
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desc
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1.2
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@pre-3e code
@
text
@/* tcpsync.c - tcpsync */

#include <conf.h>
#include <kernel.h>
#include <network.h>

/*------------------------------------------------------------------------
 *  tcpsync - initialize TCB for a new connection request
 *------------------------------------------------------------------------
 */
int tcpsync(ptcb)
struct	tcb	*ptcb;
{
	ptcb->tcb_state = TCPS_CLOSED;
	ptcb->tcb_type = TCPT_CONNECTION;

	ptcb->tcb_iss = ptcb->tcb_suna = ptcb->tcb_snext = tcpiss();
	ptcb->tcb_lwack = ptcb->tcb_iss;

	ptcb->tcb_sndbuf = (u_char *)getmem(TCPSBS);
	ptcb->tcb_sbsize = TCPSBS;
	ptcb->tcb_sbstart = ptcb->tcb_sbcount = 0;
	ptcb->tcb_ssema = screate(1);

	ptcb->tcb_rcvbuf = (u_char *)getmem(TCPRBS);
	ptcb->tcb_rbsize = TCPRBS;
	ptcb->tcb_rbstart = ptcb->tcb_rbcount = 0;
	ptcb->tcb_rsegq = EMPTY;
	ptcb->tcb_rsema = screate(0);
	ptcb->tcb_ocsem = screate(0);

	/* timer stuff */

	ptcb->tcb_srt = 0;		/* in sec/100	*/
	ptcb->tcb_rtde = 0;		/* in sec/100	*/
	ptcb->tcb_rexmt = 50;		/* in sec/100	*/
	ptcb->tcb_rexmtcount = 0;
	ptcb->tcb_keep = 12000;		/* in sec/100	*/

	ptcb->tcb_code = TCPF_SYN;
	ptcb->tcb_flags = 0;
	return OK;
}
@


1.1
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@Initial revision
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@d20 1
a20 1
	ptcb->tcb_sndbuf = (char *)getmem(TCPSBS);
d25 1
a25 1
	ptcb->tcb_rcvbuf = (char *)getmem(TCPRBS);
a29 4

	ptcb->tcb_rudq = ptcb->tcb_ruhq = EMPTY;
	ptcb->tcb_sudq = ptcb->tcb_suhq = EMPTY;

@