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/****************************************************************
* *
* Copyright 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 <stddef.h>
#include <errno.h>
#include "mdef.h"
#include "gtm_limits.h"
#include "gtm_string.h"
#include "gtm_stdio.h"
#include "gtm_unistd.h"
#include "repl_msg.h"
#include "repl_log.h"
#include "gdsroot.h"
#include "have_crit.h"
#include "min_max.h"
error_def(ERR_FILENAMETOOLONG);
GBLREF uint4 process_id;
uint4 repl_logfileinfo_get(char *logfile, repl_logfile_info_msg_t *msgp, boolean_t cross_endian, FILE *logfp)
{
uint4 status, fullpath_len, msglen;
int save_errno;
char fullpath[GTM_PATH_MAX], *cwdptr;
assert(NULL != msgp);
msgp->type = cross_endian ? GTM_BYTESWAP_32(REPL_LOGFILE_INFO) : REPL_LOGFILE_INFO;
assert(GTM_PATH_MAX >= REPL_LOGFILE_PATH_MAX);
assert(GTM_PATH_MAX >= PATH_MAX);
if (NULL == logfile)
{
GETCWD(fullpath, GTM_PATH_MAX, cwdptr);
assert(NULL != cwdptr);
if (NULL == cwdptr)
{
save_errno = errno;
assert(FALSE);
repl_log(logfp, TRUE, TRUE, "Could not obtain current working directory: %s\n", STRERROR(save_errno));
SNPRINTF(fullpath, GTM_PATH_MAX, "Could not obtain current working directory");
}
fullpath_len = STRLEN(fullpath);
} else if (!get_full_path(STR_AND_LEN(logfile), fullpath, &fullpath_len, GTM_PATH_MAX + 1, &status))
{ /* Either GETCWD failed or buffer not large enough to hold the expanded logfile path. In either case, we don't want
* to error out as this is just a supplementary message. Copy whatever possible.
*/
assert(ERR_FILENAMETOOLONG != status);
SNPRINTF(fullpath, GTM_PATH_MAX, logfile);
fullpath_len = STRLEN(fullpath);
/* Print a warning message for diagnostic purposes */
if (ERR_FILENAMETOOLONG != status)
repl_log(logfp, TRUE, TRUE, "Could not obtain current working directory: %s\n", STRERROR(status));
else
repl_log(logfp, TRUE, TRUE, "Could not obtain full path of log file: Path name exceeds %d characters\n",
GTM_PATH_MAX);
}
assert('\0' == fullpath[fullpath_len]);
fullpath_len = MIN(fullpath_len, REPL_LOGFILE_PATH_MAX);
fullpath[fullpath_len] = '\0'; /* truncate if needed */
fullpath_len++; /* So that, we copy and send null-terminator as well */
memcpy(msgp->fullpath, fullpath, fullpath_len);
msgp->fullpath_len = cross_endian ? GTM_BYTESWAP_32(fullpath_len) : fullpath_len;
assert(fullpath_len <= REPL_LOGFILE_PATH_MAX);
/* Receiver expects 8 byte alignment on data portion of the message. */
fullpath_len = ROUND_UP2(fullpath_len, REPL_MSG_ALIGN);
assert(fullpath_len <= REPL_LOGFILE_PATH_MAX + 1);
msglen = REPL_LOGFILE_INFO_MSGHDR_SZ + fullpath_len;
msgp->len = cross_endian ? GTM_BYTESWAP_32(msglen) : msglen;
msgp->proto_ver = REPL_PROTO_VER_THIS;
msgp->pid = cross_endian ? GTM_BYTESWAP_32(process_id) : process_id;
return msglen;
}
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