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rcvru.c
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C/C++ Source or Header
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1996-07-10
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6KB
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199 lines
/*
RECEIVE RU from APPL
r c v r u
This subroutine receives RUs from APPL module as part of the input segment
and then places them into the input queue for the defined RCB.
Input : pointer to the RCB, pointer to the segment.
Output : fill input queue for the supplied RCB.
CopyRight 1995. Nicholas Poljakov all rights reserved.
*/
#include <stdio.h>
#include <include.h>
#include <rcb.h>
#include <prefix.h>
#include <string.h>
#include <malloc.h>
#include <state1.h>
#define RH_SIZE 3
#define RQB_RH 19
#define PR_SIZE 31
char *buff;
int sk_r_wt(void *);
int SendBlock(void *, void *);
int setrc(void *, void *);
int sendhsf(void *);
int sendhs(void *);
int sendbm(void *, void *);
int sendat(void *);
int rtsend(void *);
unsigned long rmfmh5(void *, void *);
int rcvhs(void *, void *, void *, void *);
int ralloc(void *, void *);
int psrm(int, void *, void *);
int ps_conv(int, void *);
int proterr(void *, unsigned long);
int preptrcv(void *, void *);
int post_rcb(void *);
struct repass *postopen(void *);
int phsrec(void *);
int pfmh5(void *);
int opndst(void *);
int obtsess(void *, unsigned char);
int Lrf_handler(void *);
int get_sess(void *, void *);
int get_attr(void *);
int fsm_error(unsigned char, void *);
int fsm_conv(unsigned char, unsigned char, void *);
int flush (void *);
int dcp(void *);
int dealloc(void *);
int crtp(void *);
int conv(void *);
int chkparm(void *, void *);
int check_end(unsigned int, void *);
struct rqb *call_appl(void *);
int buffmng(unsigned char, void *, void *, void *, unsigned, unsigned char, unsigned);
unsigned long attltck(void *);
unsigned long attacheck(void *);
char *cgetmem(int, int);
int sendhsf(void *);
int opndst(void *);
int alloc_rcb(void *, void *);
int allocate(void *);
int clsdst(void *);
int bldfmh7(struct rcb *, unsigned long);
int main_fd;
rcvru(p_rcb, s_ptr)
struct rcb *p_rcb;
struct segprf *s_ptr;
{
struct rqb *p_rqb;
struct segprf *t_seg;
int i;
int ti;
int cnt;
char *p;
char *p1;
unsigned char dsc;
unsigned int type;
unsigned long sense;
unsigned char tp;
char *tp1;
union prll {
struct chs {
unsigned char s1;
unsigned char s2;
} chs;
unsigned int len;
} *pr_ll;
#if OS_TYPE == 1 /* Unix V */
/********* Trace facility **********/
unsigned int rtype; /* type of record */
unsigned int pnum; /* point number */
char pname[8]; /* name of module */
char *drec; /* record for dump */
int lenr; /* record length */
rtype = INPROC;
strcpy(pname, "rcvru");
pnum = 1;
drec = p_rcb;
lenr = sizeof(struct rcb);
gtf(rtype, pname, pnum, drec, lenr);
/***********************************/
#endif
cnt = 0; /* first segment */
t_seg = s_ptr;
p_rqb = (char *)t_seg + PR_SIZE - RQB_RH; /* pointer to RQB */
/* Read all elements of the seg. chain and
* place it into an input queue to the RCB
*/
do {
if (cnt != 0) {
#if OS_TYPE == 1 /* Unix V */
if ((i = read(main_fd, buff, MAX_SEG)) == -1) {
return (0); /* error in reading */
}
t_seg = buff;
#endif
#if OS_TYPE == 0 /* MS-DOS */
t_seg = t_seg -> link;
i = t_seg -> len - 3; /* without RH */
#endif
#if OS_TYPE == 1 /* Unix V */
/******** Trace ******************/
rtype = GREC;
strcpy(pname, "rcvru");
pnum = 2;
drec = buff;
lenr = i;
gtf(rtype, pname, pnum, drec, lenr);
/***********************************/
#endif
}
else { /* cnt == 0*/
/* First segment */
i = t_seg -> len - 3; /* RH length */
p1 = (char *)p_rqb + 16; /*sizeof(struct rqb)*/
type = *p1; /* rh[0] - DFC command*/
cnt++;
}
p1 = (char *)t_seg;
p = p1 + PR_SIZE; /* pointer to RU in buffer */
p1 = &((*p_rcb).first_in);
if (t_seg -> link == NULL) {
dsc = 0;
}
else
dsc = 1;
if (i == 0) {
buffmng('A', NULL, p1, p_rcb, i, dsc, type);
}
else
{
/* Set each logical record as a separate member */
while (i > 0) {
pr_ll = (union prll *)p;
tp = pr_ll -> chs.s1;
pr_ll -> chs.s1 = pr_ll -> chs.s2;
pr_ll -> chs.s2 = tp; /* invert to compatibility with
* IBM mainframe. */
ti = pr_ll -> len; /* with prefix itself */
if (ti > i) {
ti = i;
type = Data_INCOMPLETE;
}
else
type = Data_COMPLETE;
if ((tp1 = malloc(ti)) == NULL) {
sense = 0x1008600b; /* RESOURCE_FAILURE_NO_RETRY */
bldfmh7(p_rcb, sense);
return (-1);
}
memcpy(tp1, p, ti);
buffmng('A', tp1, p1, p_rcb, ti, dsc, type);
i -= ti;
p += ti;
}
}
} while (t_seg -> link != NULL);
return (0);
}