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/* Copyright (c) 1997 by Inria Lorraine. All Rights Reserved */
/***
NAME
pvm_recv
PURPOSE
NOTES
HISTORY
fleury - Nov 19, 1997: Created.
$Id: pvm_recv.c,v 1.8 2005/10/22 18:53:10 cornet Exp $
***/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef WIN32
#include "../../pvm3/include/pvm3.h"
#else
#include "pvm3.h"
#endif
#include "../machine.h"
#include "../stack-c.h"
#include "../calelm/sci_tools.h"
#include "sci_pvm.h"
#ifdef WIN32
#include "../os_specific/win_mem_alloc.h" /* MALLOC */
#else
#include "../os_specific/sci_mem_alloc.h" /* MALLOC */
#endif
void C2F(scipvmrecv)(double *beginvar, int *maxsize, int *size,
int *tid, int *tag, int *res)
{
int bufid;
int info;
int msgbyte, msgtag, msgtid, buffsize;
int i;
int n;
int *pack;
int *ptr_int;
double *ptr_double;
#ifdef DEBUG
printf("pvm_recv: %f:%d:%d:%d\n", beginvar[0], *maxsize, *tid, *tag);
#endif /* DEBUG */
bufid = pvm_recv(*tid, *tag);
if (bufid < 0) {
(void) fprintf(stderr, "Error pvm_recv: %d\n", bufid);
*res = bufid;
return;
}
info = pvm_bufinfo(bufid, &msgbyte, &msgtag, &msgtid);
if (info < 0) {
(void) fprintf(stderr, "Error pvm_recv: -bufinfo- %d\n", info);
pvm_freebuf(bufid);
*res = info;
return;
}
#ifdef DEBUG
(void) fprintf(stderr, "RECV: %d:%d:%d\n", msgbyte, msgtag, msgtid);
#endif /* DEBUG */
/* unpack the size of the packing vector */
info = pvm_upkint(&n, 1, 1);
if (info < 0) {
(void) fprintf(stderr, "Error pvm_recv: -pack- %d\n", info);
pvm_freebuf(bufid);
*res = info;
return;
}
#ifdef DEBUG
(void) fprintf(stderr, "n=%d\n", n);
#endif /* DEBUG */
/* unpack the packing vector */
if ((pack = (int *) MALLOC(n * sizeof(int))) == NULL) {
(void) fprintf(stderr, "Error malloc in pvm_recv\n");
pvm_freebuf(bufid);
*res = PvmNoMem;
return;
}
info = pvm_upkint(pack, n, 1);
if (info < 0) {
(void) fprintf(stderr, "Error pvm_recv: -pack- %d\n", info);
pvm_freebuf(bufid);
*res = info;
return;
}
#ifdef DEBUG
(void) fprintf(stderr, "RECV:");
for (i = 0; i < n; ++i) {
(void) fprintf(stderr, "%3d:", pack[i]);
}
(void) fprintf(stderr, "\n");
#endif /* DEBUG */
msgbyte -= (n + 1) * sizeof(int); /* on ne tient pas compte de la taille
du vecteur de pack et de sa
taille */
if (msgbyte % sizeof(double)) {
(void) fprintf(stderr, "Error pvm_recv: not double\n");
pvm_freebuf(bufid);
*res = PvmBadMsg;
return;
}
buffsize = msgbyte/sizeof(double);
*size = buffsize;
if (*size > *maxsize) {
(void) fprintf(stderr, "Error pvm_recv: Not enough memory: available=%d:needed=%d\n", *maxsize, *size);
pvm_freebuf(bufid);
*res = PvmNoMem;
return;
}
/* UnPack the msg using the pack vect info */
ptr_double = beginvar;
ptr_int = (int*) beginvar;
for (i = 0; i < n; i+=2) {
if (pack[i] > 0) { /* have to unpack some int */
info = pvm_upkint(ptr_int, pack[i], 1);
if (info < 0) {
(void) fprintf(stderr, "Error pvm_send: -pack- %d\n", info);
pvm_freebuf(bufid);
*res = info;
return;
}
ptr_int += pack[i] + (pack[i] % 2);
ptr_double += ((pack[i]-1)/2 + 1);
}
if (pack[i+1] > 0) { /* have to pack some double */
info = pvm_upkdouble(ptr_double, pack[i+1], 1);
if (info < 0) {
(void) fprintf(stderr, "Error pvm_send: -pack- %d\n", info);
pvm_freebuf(bufid);
*res = info;
return;
}
ptr_int += (pack[i+1]*2);
ptr_double += pack[i+1];
}
}
*res = info;
*tag = msgtag;
*tid = msgtid;
FREE(pack);
} /* scipvmrecv */
void
#ifdef __STDC__
C2F(scipvmrecvvar)(int *tid, int *tag, char *buff, int *res)
#else
C2F(scipvmrecvvar)(tid, tag, buff, res)
int *tid;
int *tag;
char *buff;
int *res;
#endif
{
int bufid;
int info;
int msgbyte, msgtag, msgtid;
int type;
int mx, nx, type_x, ptr_x, size_x;
int m, n;
F2C(mycmatptr)(buff, &mx, &nx, &type_x, &ptr_x);
switch (type_x)
{
case TYPE_DOUBLE :
size_x = mx * nx * sizeof(double);
break;
case TYPE_COMPLEX :
size_x = mx * nx * sizeof(complex16);
break;
default :
size_x = -1;
(void) fprintf(stderr, "Error pvm_recv_var: Not scalar type\n");
*res = PvmBadMsg;
return;
}
bufid = pvm_recv(*tid, *tag);
if (bufid < 0) {
(void) fprintf(stderr, "Error pvm_recv: %d\n", bufid);
*res = bufid;
return;
}
info = pvm_bufinfo(bufid, &msgbyte, &msgtag, &msgtid);
if (info < 0) {
(void) fprintf(stderr, "Error pvm_recv: %d\n", info);
*res = info;
return;
}
msgbyte -= 3 * sizeof(int); /* on ne tient pas compte de m,n,type */
if (msgbyte != size_x) {
(void) fprintf(stderr, "Error pvm_recv: size of %s != size of msg\n",
buff);
pvm_freebuf(bufid);
*res = PvmNoMem;
return;
}
*res = pvm_upkint(&m, 1, 1);
*res = pvm_upkint(&n, 1, 1);
*res = pvm_upkint(&type, 1, 1);
SET_NB_ROW(stk(ptr_x),m);
SET_NB_COL(stk(ptr_x),n);
switch (type)
{
case TYPE_DOUBLE :
SET_TYPE_DOUBLE(stk(ptr_x));
*res = pvm_upkdouble(stk(ptr_x), m*n, 1);
break;
case TYPE_COMPLEX :
SET_TYPE_COMPLEX(stk(ptr_x));
*res = pvm_upkdcplx(stk(ptr_x), m*n, 1);
break;
default :
(void) fprintf(stderr, "Error pvm_recv_var: Not scalar type\n");
*res = PvmBadMsg;
return;
}
} /* scipvmrecvvar */
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