fis-gtm/sr_port/iotcp_write.c

86 lines
2.2 KiB
C

/****************************************************************
* *
* Copyright 2001, 2013 Fidelity Information Services, Inc *
* *
* This source code contains the intellectual property *
* of its copyright holder(s), and is made available *
* under a license. If you do not know the terms of *
* the license, please stop and do not read further. *
* *
****************************************************************/
#include "mdef.h"
#include "gtm_socket.h"
#include "gtm_stdio.h"
#include "gtm_string.h"
#include "gtm_inet.h"
#include <errno.h>
#include "io.h"
#include "iotcpdef.h"
#include "iotcpdefsp.h"
#include "iotcproutine.h"
GBLREF io_pair io_curr_device;
GBLREF tcp_library_struct tcp_routines;
error_def(ERR_SOCKWRITE);
error_def(ERR_TEXT);
void iotcp_write(mstr *v)
{
io_desc *iod;
char *out;
int inlen, outlen, size;
d_tcp_struct *tcpptr;
char *errptr;
int4 errlen;
#ifdef DEBUG_TCP
PRINTF("%s >>>\n", __FILE__);
#endif
iod = io_curr_device.out;
tcpptr = (d_tcp_struct *)iod->dev_sp;
tcpptr->lastop = TCP_WRITE;
memcpy(iod->dollar.device, LITZERO, SIZEOF(LITZERO));
inlen = v->len;
outlen = iod->width - iod->dollar.x;
if (!iod->wrap && inlen > outlen)
inlen = outlen;
if (!inlen)
return;
for (out = v->addr; ; out += size)
{
if (outlen > inlen)
outlen = inlen;
if ((size = tcp_routines.aa_send(tcpptr->socket, out, outlen, (tcpptr->urgent ? MSG_OOB : 0))) == -1)
{
iod->dollar.za = 9;
memcpy(iod->dollar.device, LITONE_COMMA, SIZEOF(LITONE_COMMA));
errptr = (char *)STRERROR(errno);
errlen = STRLEN(errptr);
memcpy(&iod->dollar.device[SIZEOF(LITONE_COMMA) - 1], errptr, errlen);
rts_error_csa(CSA_ARG(NULL) VARLSTCNT(6) ERR_SOCKWRITE, 0, ERR_TEXT, 2, errlen, errptr);
}
assert(size == outlen);
iod->dollar.x += size;
if ((inlen -= size) <= 0)
break;
iod->dollar.x = 0; /* don't use wteol to terminate wrapped records for fixed. */
iod->dollar.y++; /* \n is reserved as an end-of-rec delimiter for variable format */
if (iod->length) /* and fixed format requires no padding for wrapped records */
iod->dollar.y %= iod->length;
outlen = iod->width;
}
iod->dollar.za = 0;
#ifdef DEBUG_TCP
PRINTF("%s <<<\n", __FILE__);
#endif
return;
}