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/****************************************************************
* *
* Copyright (c) 2001-2015 Fidelity National Information *
* Services, Inc. and/or its subsidiaries. All rights reserved. *
* *
* 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_fcntl.h"
#include "gtm_stdio.h"
#include "gtm_unistd.h"
#include "gtm_stat.h"
#include "gtm_string.h"
#include <errno.h>
#include "gdsroot.h"
#include "gdsblk.h"
#include "gtm_facility.h"
#include "fileinfo.h"
#include "gdsbt.h"
#include "gdsfhead.h"
#include "iosp.h"
#include "repl_log.h"
#include "repl_errno.h"
#include "gtmio.h"
#include "eintr_wrappers.h"
#include "repl_sp.h"
#include "send_msg.h"
#include "gtmmsg.h"
#include "have_crit.h"
#ifdef __MVS__
#include "gtm_zos_io.h"
#endif
GBLDEF int gtmsource_log_fd = FD_INVALID;
GBLDEF int gtmrecv_log_fd = FD_INVALID;
GBLDEF int updproc_log_fd = FD_INVALID;
GBLDEF int updhelper_log_fd = FD_INVALID;
GBLDEF FILE *gtmsource_log_fp = NULL;
GBLDEF FILE *gtmrecv_log_fp = NULL;
GBLDEF FILE *updproc_log_fp = NULL;
GBLDEF FILE *updhelper_log_fp = NULL;
error_def(ERR_REPLLOGOPN);
error_def(ERR_TEXT);
error_def(ERR_REPLEXITERR);
ZOS_ONLY(error_def(ERR_BADTAG);)
int repl_log_init(repl_log_file_t log_type,
int *log_fd,
char *log)
{
/* Open the log file */
char log_file_name[MAX_FN_LEN + 1], *err_code;
int tmp_fd;
int save_errno;
int stdout_status, stderr_status;
int rc;
#ifdef __MVS__
int status;
int realfiletag;
struct stat info;
#endif
if (*log == '\0')
return(EREPL_LOGFILEOPEN);
strcpy(log_file_name, log);
ZOS_ONLY(STAT_FILE(log_file_name, &info, status);)
OPENFILE3_CLOEXEC(log_file_name, O_RDWR | O_CREAT | O_APPEND, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH, tmp_fd);
if (tmp_fd < 0)
{
if ((REPL_GENERAL_LOG == log_type) && (FD_INVALID == *log_fd))
{
save_errno = ERRNO;
err_code = STRERROR(save_errno);
gtm_putmsg_csa(CSA_ARG(NULL) VARLSTCNT(8) ERR_REPLLOGOPN, 6, LEN_AND_STR(log_file_name),
LEN_AND_STR(err_code),LEN_AND_STR(NULL_DEVICE));
strcpy(log_file_name, NULL_DEVICE);
if (log_type == REPL_GENERAL_LOG)
strcpy(log, NULL_DEVICE);
OPENFILE_CLOEXEC(log_file_name, O_RDWR, tmp_fd); /* Should not fail */
EXIT(EREPL_LOGFILEOPEN);
} else
{
save_errno = ERRNO;
err_code = STRERROR(save_errno);
gtm_putmsg_csa(CSA_ARG(NULL) VARLSTCNT(8) ERR_REPLLOGOPN, 6, LEN_AND_STR(log_file_name),
LEN_AND_STR(err_code), LEN_AND_STR(log));
return(EREPL_LOGFILEOPEN);
}
}
#ifdef __MVS__
if (0 == status)
{
if (-1 == gtm_zos_tag_to_policy(tmp_fd, TAG_UNTAGGED, &realfiletag))
TAG_POLICY_GTM_PUTMSG(log_file_name, errno, realfiletag, TAG_UNTAGGED);
} else
{
if (-1 == gtm_zos_set_tag(tmp_fd, TAG_EBCDIC, TAG_TEXT, TAG_FORCE, &realfiletag))
TAG_POLICY_GTM_PUTMSG(log_file_name, errno, realfiletag, TAG_EBCDIC);
}
#endif
if (log_type == REPL_GENERAL_LOG)
{
int dup2_res;
/* Duplicate stdout and stderr onto log file */
DUP2(tmp_fd, 1, stdout_status);
if (stdout_status >= 0)
{
DUP2(tmp_fd, 2, stderr_status);
if (stderr_status < 0)
{
save_errno = ERRNO;
if (FD_INVALID != *log_fd)
{
DUP2(*log_fd, 1, dup2_res); /* Restore old log file */
DUP2(*log_fd, 2, dup2_res);
}
}
} else
{
save_errno = ERRNO;
if (FD_INVALID != *log_fd)
DUP2(*log_fd, 1, dup2_res); /* Restore old log file */
}
if (stdout_status >= 0 && stderr_status >= 0)
{
if (FD_INVALID != *log_fd)
CLOSEFILE_RESET(*log_fd, rc); /* resets "*log_fd" to FD_INVALID */
*log_fd = tmp_fd;
} else
{
err_code = STRERROR(save_errno);
gtm_putmsg_csa(CSA_ARG(NULL) VARLSTCNT(10) ERR_REPLLOGOPN, 6,
LEN_AND_STR(log_file_name),
LEN_AND_STR(err_code),
strlen(log),
log,
ERR_TEXT, 2, RTS_ERROR_LITERAL("Error in dup2"));
}
}
return(SS_NORMAL);
}
int repl_log_fd2fp(FILE **fp, int fd)
{
int fclose_res;
/* For stats log file, we need to have FCLOSEd *fp because a later open() in repl_log_init() might return the same file
* descriptor as a previously closed stats log file. In that case, FCLOSE if done here affects the newly opened file and
* FDOPEN will fail returning NULL for the file pointer. */
if (NULL != *fp)
FCLOSE(*fp, fclose_res);
FDOPEN(*fp, fd, "a");
assert(NULL != *fp); /* we don't expect FDOPEN to fail */
return(SS_NORMAL);
}
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