int
job_or_resv_save_fs(void *pobj, int updatetype, int objtype)
{
int fds;
int openflags;
int redo;
char *filename;
char namebuf1[MAXPATHLEN+1];
char namebuf2[MAXPATHLEN+1];
char *path = (char*)0;
char *err_msg = (char*)0;
char *err_msgl = (char*)0;
char *prefix = (char*)0;
char *suffix = (char*)0;
char *cpsuffix = (char*)0;
char *p_oid = (char*)0;
long *p_mtime = (long*)0;
int *p_modified = (int*)0;
void *pfixed = (void*)0;
ssize_t i;
size_t fixed_size;
attribute_def *p_attr_def = (attribute_def*)0;
attribute *wattr = (attribute*)0;
int final_attr;
int eventclass;
int pmode;
#ifdef WIN32
pmode = _S_IWRITE | _S_IREAD;
#else
pmode = 0600;
#endif
if (objtype == RESC_RESV_OBJECT || objtype == RESV_JOB_OBJECT) {
#ifndef PBS_MOM /* MOM knows not of resc_resv structs */
resc_resv *presv;
presv = (resc_resv *)pobj;
err_msg = "reservation_save";
err_msgl = "Link in reservation_save failed";
path = path_resvs;
prefix = presv->ri_qs.ri_fileprefix;
suffix = RESV_FILE_SUFFIX;
cpsuffix = RESV_FILE_COPY;
p_modified = &presv->ri_modified;
pfixed = (void *)&presv->ri_qs;
fixed_size = sizeof(struct resvfix);
p_attr_def = resv_attr_def;
wattr = presv->ri_wattr;
final_attr = RESV_ATR_LAST;
p_mtime = &presv->ri_wattr[RESV_ATR_mtime].at_val.at_long;
p_oid = presv->ri_qs.ri_resvID;
eventclass = PBS_EVENTCLASS_RESV;
#else /* PBS_MOM only: Execution will never come here for MOM */
return (-1);
#endif
}
else if (objtype == JOB_OBJECT) {
job *pj = (job *)pobj;
#ifndef PBS_MOM /*MOM knows not of resc_resv structs*/
if (pj->ji_resvp) {
int rc = 0;
if (updatetype == SAVEJOB_QUICK)
rc = job_or_resv_save((void *)pj->ji_resvp,
SAVERESV_QUICK,
RESC_RESV_OBJECT);
else if ((updatetype == SAVEJOB_FULL) ||
(updatetype == SAVEJOB_FULLFORCE) ||
(updatetype == SAVEJOB_NEW))
rc = job_or_resv_save((void *)pj->ji_resvp,
SAVERESV_FULL,
RESC_RESV_OBJECT);
if (rc)
return (rc);
}
#endif
err_msg = "job_save";
err_msgl = "Link in job_save failed";
path = path_jobs;
if (*pj->ji_qs.ji_fileprefix != '\0')
prefix = pj->ji_qs.ji_fileprefix;
else
prefix = pj->ji_qs.ji_jobid;
suffix = JOB_FILE_SUFFIX;
cpsuffix = JOB_FILE_COPY;
p_modified = &pj->ji_modified;
pfixed = (void *)&pj->ji_qs;
fixed_size = sizeof(struct jobfix);
p_attr_def = job_attr_def;
wattr = pj->ji_wattr;
final_attr = JOB_ATR_LAST;
p_mtime = &pj->ji_wattr[JOB_ATR_mtime].at_val.at_long;
p_oid = pj->ji_qs.ji_jobid;
eventclass = PBS_EVENTCLASS_JOB;
return (job_save_fs(pj, updatetype));
} else {
/*Don't expect to get here; incorrect object type*/
return (-1);
}
(void)strcpy(namebuf1, path); /* directory path */
(void)strcat(namebuf1, prefix);
(void)strcpy(namebuf2, namebuf1); /* setup for later */
(void)strcat(namebuf1, suffix);
/*if an attribute changed (modified==1) update mtime*/
if (*p_modified) {
*p_mtime = time_now;
}
if (updatetype == SAVEJOB_QUICK || updatetype == SAVERESV_QUICK) {
openflags = O_WRONLY | O_Sync;
fds = open(namebuf1, openflags, pmode);
if (fds < 0) {
log_err(errno, err_msg, "error on open");
return (-1);
}
#ifdef WIN32
secure_file(namebuf1, "Administrators",
READS_MASK|WRITES_MASK|STANDARD_RIGHTS_REQUIRED);
setmode(fds, O_BINARY);
#endif
/* just write the "critical" base structure to the file */
while ((i = write(fds, (char *)pfixed, fixed_size)) !=
fixed_size) {
if ((i < 0) && (errno == EINTR)) {
/* retry the write */
if (lseek(fds, (off_t)0, SEEK_SET) < 0) {
log_err(errno, err_msg, "lseek");
(void)close(fds);
return (-1);
}
continue;
} else {
log_err(errno, err_msg, "quickwrite");
(void)close(fds);
return (-1);
}
}
#ifdef WIN32
if (_commit(fds) != 0) {
log_err(errno, err_msg,
"flushing job file to disk failed!");
(void)close(fds);
return (-1);
}
#endif
(void)close(fds);
} else {
/*
* write the whole structure to the file.
* For a update, this is done to a new file to protect the
* old against crashs.
* The file is written in four parts:
* (1) the job (resc_resv) structure,
* (2) the attributes in "encoded" form,
* (3) the attributes in the "external" form, and last
* (4) the dependency list.
*/
(void)strcat(namebuf2, cpsuffix);
openflags = O_CREAT | O_WRONLY | O_Sync;
#ifdef WIN32
fix_perms2(namebuf2, namebuf1);
#endif
if (updatetype == SAVEJOB_NEW || updatetype == SAVERESV_NEW)
filename = namebuf1;
else
filename = namebuf2;
fds = open(filename, openflags, pmode);
if (fds < 0) {
log_err(errno, err_msg, "open for full save");
return (-1);
}
#ifdef WIN32
secure_file(filename, "Administrators",
READS_MASK|WRITES_MASK|STANDARD_RIGHTS_REQUIRED);
setmode(fds, O_BINARY);
#endif
redo = 0; /* try to save twice */
do {
save_setup(fds);
if (save_struct((char *)pfixed, fixed_size) != 0) {
redo++;
} else if (save_attr_fs(p_attr_def, wattr, final_attr) != 0) {
redo++;
} else if (save_flush() != 0) {
redo++;
}
if (redo != 0) {
if (lseek(fds, (off_t)0, SEEK_SET) < 0) {
log_err(errno, err_msg, "full lseek");
redo++;
}
}
} while (redo == 1);
#ifdef WIN32
if (_commit(fds) != 0) {
log_err(errno, err_msg,
"flush job file to disk failed!");
close(fds);
return (-1);
}
#endif
(void)close(fds);
if (redo > 1) {
if (updatetype == SAVEJOB_FULL ||
updatetype == SAVEJOB_FULLFORCE ||
updatetype == SAVERESV_FULL)
(void)unlink(namebuf2);
return (-1);
}
if (updatetype == SAVEJOB_FULL ||
updatetype == SAVEJOB_FULLFORCE ||
updatetype == SAVERESV_FULL) {
#ifdef WIN32
if (MoveFileEx(namebuf2, namebuf1,
MOVEFILE_REPLACE_EXISTING|MOVEFILE_WRITE_THROUGH) ==
0) {
errno = GetLastError();
sprintf(log_buffer, "MoveFileEx(%s,%s) failed!",
namebuf2, namebuf1);
log_err(errno, err_msg, log_buffer);
}
secure_file(namebuf1, "Administrators",
READS_MASK|WRITES_MASK|STANDARD_RIGHTS_REQUIRED);
#else
if (rename(namebuf2, namebuf1) == -1) {
log_event(PBSEVENT_ERROR|PBSEVENT_SECURITY,
eventclass, LOG_ERR, p_oid, err_msgl);
}
#endif
}
*p_modified = 0;
}
return (0);
}
int
job_save_fs(job *pjob, int updatetype)
{
int fds;
int i;
char *filename;
char namebuf1[MAXPATHLEN+1];
char namebuf2[MAXPATHLEN+1];
int openflags;
int redo;
int pmode;
#ifdef WIN32
pmode = _S_IWRITE | _S_IREAD;
#else
pmode = 0600;
#endif
(void)strcpy(namebuf1, path_jobs); /* job directory path */
if (*pjob->ji_qs.ji_fileprefix != '\0')
(void)strcat(namebuf1, pjob->ji_qs.ji_fileprefix);
else
(void)strcat(namebuf1, pjob->ji_qs.ji_jobid);
(void)strcpy(namebuf2, namebuf1); /* setup for later */
(void)strcat(namebuf1, JOB_FILE_SUFFIX);
/* if ji_modified is set, ie an attribute changed, then update mtime */
if (pjob->ji_modified) {
pjob->ji_wattr[JOB_ATR_mtime].at_val.at_long = time_now;
pjob->ji_wattr[JOB_ATR_mtime].at_flags |= ATR_VFLAG_MODCACHE;
}
if (pjob->ji_qs.ji_jsversion != JSVERSION) {
/* version of job structure changed, force full write */
pjob->ji_qs.ji_jsversion = JSVERSION;
updatetype = SAVEJOB_FULLFORCE;
}
if (updatetype == SAVEJOB_QUICK) {
openflags = O_WRONLY;
fds = open(namebuf1, openflags, pmode);
if (fds < 0) {
log_err(errno, "job_save", "error on open");
return (-1);
}
#ifdef WIN32
secure_file(namebuf1, "Administrators",
READS_MASK|WRITES_MASK|STANDARD_RIGHTS_REQUIRED);
setmode(fds, O_BINARY);
#endif
/* just write the "critical" base structure to the file */
save_setup(fds);
if ((save_struct((char *)&pjob->ji_qs, fixedsize) == 0) &&
(save_struct((char *)&pjob->ji_extended, extndsize) == 0) &&
(save_flush() == 0)) {
(void)close(fds);
} else {
log_err(errno, "job_save", "error quickwrite");
(void)close(fds);
return (-1);
}
} else {
/*
* write the whole structure to the file.
* For a update, this is done to a new file to protect the
* old against crashs.
* The file is written in four parts:
* (1) the job structure,
* (2) the extended area,
* (3) if a Array Job, the index tracking table
* (4) the attributes in the "encoded "external form, and last
* (5) the dependency list.
*/
(void)strcat(namebuf2, JOB_FILE_COPY);
openflags = O_CREAT | O_WRONLY;
#ifdef WIN32
fix_perms2(namebuf2, namebuf1);
#endif
if (updatetype == SAVEJOB_NEW)
filename = namebuf1;
else
filename = namebuf2;
fds = open(filename, openflags, pmode);
if (fds < 0) {
log_err(errno, "job_save",
"error opening for full save");
return (-1);
}
#ifdef WIN32
secure_file(filename, "Administrators",
READS_MASK|WRITES_MASK|STANDARD_RIGHTS_REQUIRED);
setmode(fds, O_BINARY);
#endif
for (i=0; i<MAX_SAVE_TRIES; ++i) {
redo = 0; /* try to save twice */
save_setup(fds);
if (save_struct((char *)&pjob->ji_qs, fixedsize)
!= 0) {
redo++;
} else if (save_struct((char *)&pjob->ji_extended,
extndsize) != 0) {
redo++;
#ifndef PBS_MOM
} else if ((pjob->ji_qs.ji_svrflags & JOB_SVFLG_ArrayJob) &&
(save_struct((char *)pjob->ji_ajtrk,
pjob->ji_ajtrk->tkm_size) != 0)) {
redo++;
#endif
} else if (save_attr_fs(job_attr_def, pjob->ji_wattr,
(int)JOB_ATR_LAST) != 0) {
redo++;
} else if (save_flush() != 0) {
redo++;
}
if (redo != 0) {
if (lseek(fds, (off_t)0, SEEK_SET) < 0) {
log_err(errno, "job_save", "error lseek");
}
} else
break;
}
(void)close(fds);
if (i >= MAX_SAVE_TRIES) {
if ((updatetype == SAVEJOB_FULL) ||
(updatetype == SAVEJOB_FULLFORCE))
(void)unlink(namebuf2);
return (-1);
}
if ((updatetype == SAVEJOB_FULL) ||
(updatetype == SAVEJOB_FULLFORCE)) {
#ifdef WIN32
if (MoveFileEx(namebuf2, namebuf1,
MOVEFILE_REPLACE_EXISTING|MOVEFILE_WRITE_THROUGH) == 0) {
errno = GetLastError();
sprintf(log_buffer, "MoveFileEx(%s,%s) failed!",
namebuf2, namebuf1);
log_err(errno, "job_save", log_buffer);
}
secure_file(namebuf1, "Administrators",
READS_MASK|WRITES_MASK|STANDARD_RIGHTS_REQUIRED);
#else
if (rename(namebuf2, namebuf1) == -1) {
log_event(PBSEVENT_ERROR|PBSEVENT_SECURITY,
PBS_EVENTCLASS_JOB, LOG_ERR,
pjob->ji_qs.ji_jobid,
"rename in job_save failed");
}
#endif
}
pjob->ji_modified = 0;
}
return (0);
}
int
job_save_fs(job *pjob, int updatetype)
{
#ifndef PBS_MOM
int isarray = 0;
#endif /* PBS_MOM */
int fds;
int i;
char *filename;
char namebuf1[MAXPATHLEN+1];
char namebuf2[MAXPATHLEN+1];
int openflags;
int redo;
int pmode;
#ifdef WIN32
pmode = _S_IWRITE | _S_IREAD;
#else
pmode = 0600;
#endif
(void)strcpy(namebuf1, path_jobs); /* job directory path */
if (*pjob->ji_qs.ji_fileprefix != '\0')
(void)strcat(namebuf1, pjob->ji_qs.ji_fileprefix);
else
(void)strcat(namebuf1, pjob->ji_qs.ji_jobid);
(void)strcpy(namebuf2, namebuf1); /* setup for later */
(void)strcat(namebuf1, JOB_FILE_SUFFIX);
/* if ji_modified is set, ie an attribute changed, then update mtime */
if (pjob->ji_modified) {
pjob->ji_wattr[JOB_ATR_mtime].at_val.at_long = time_now;
pjob->ji_wattr[JOB_ATR_mtime].at_flags |= ATR_VFLAG_MODCACHE;
}
/* don't save if SubJob unless FULLFORCE. This is done by Windows */
/* Server when ready to run job since separate send_job program needs */
/* needs to be able to read up job structure from disk, not sharing */
/* the memory structures */
if ((pjob->ji_qs.ji_svrflags & JOB_SVFLG_SubJob) &&
(updatetype != SAVEJOB_FULLFORCE)) {
pjob->ji_modified = 0;
return 0; /* don't save subjob */
}
if (pjob->ji_qs.ji_jsversion != JSVERSION) {
/* version of job structure changed, force full write */
pjob->ji_qs.ji_jsversion = JSVERSION;
updatetype = SAVEJOB_FULLFORCE;
}
if (updatetype == SAVEJOB_QUICK) {
openflags = O_WRONLY | O_Sync;
fds = open(namebuf1, openflags, pmode);
if (fds < 0) {
log_err(errno, "job_save", "error on open");
return (-1);
}
#ifdef WIN32
secure_file(namebuf1, "Administrators",
READS_MASK|WRITES_MASK|STANDARD_RIGHTS_REQUIRED);
setmode(fds, O_BINARY);
#endif
/* just write the "critical" base structure to the file */
save_setup(fds);
if ((save_struct((char *)&pjob->ji_qs, fixedsize) == 0) &&
(save_struct((char *)&pjob->ji_extended, extndsize) == 0) &&
(save_flush() == 0)) {
#ifdef WIN32
/* since the open() POSIX call provided does not */
/* have O_Sync for synchronous writes, the following */
/* will force flushing things onto disk */
if (_commit(fds) != 0) {
log_err(errno, "job_save",
"flushing file to disk failed!");
(void)close(fds);
return (-1);
}
#endif
(void)close(fds);
} else {
log_err(errno, "job_save", "error quickwrite");
(void)close(fds);
return (-1);
}
} else {
/*
* write the whole structure to the file.
* For a update, this is done to a new file to protect the
* old against crashs.
* The file is written in four parts:
* (1) the job structure,
* (2) the extended area,
* (3) if a Array Job, the index tracking table
* (4) the attributes in the "encoded "external form, and last
* (5) the dependency list.
*/
#ifndef PBS_MOM
/*
* For an Array Job, we only update it to disk periodically,
* otherwise we would be spending way too much time writting.
*/
isarray = (pjob->ji_qs.ji_svrflags & JOB_SVFLG_ArrayJob);
if (isarray) {
if ((pjob->ji_modifyct > 0) &&
(updatetype != SAVEJOB_FULLFORCE)) {
pjob->ji_modifyct--;
return 0;
} else {
/* reset count and do write this time */
pjob->ji_modifyct = 600;
}
}
#endif
(void)strcat(namebuf2, JOB_FILE_COPY);
openflags = O_CREAT | O_WRONLY | O_Sync;
#ifdef WIN32
fix_perms2(namebuf2, namebuf1);
#endif
if (updatetype == SAVEJOB_NEW)
filename = namebuf1;
else
filename = namebuf2;
fds = open(filename, openflags, pmode);
if (fds < 0) {
log_err(errno, "job_save",
"error opening for full save");
return (-1);
}
#ifdef WIN32
secure_file(filename, "Administrators",
READS_MASK|WRITES_MASK|STANDARD_RIGHTS_REQUIRED);
setmode(fds, O_BINARY);
#endif
for (i=0; i<MAX_SAVE_TRIES; ++i) {
redo = 0; /* try to save twice */
save_setup(fds);
if (save_struct((char *)&pjob->ji_qs, fixedsize)
!= 0) {
redo++;
} else if (save_struct((char *)&pjob->ji_extended,
extndsize) != 0) {
redo++;
#ifndef PBS_MOM
} else if (isarray &&
(save_struct((char *)pjob->ji_ajtrk,
pjob->ji_ajtrk->tkm_size) != 0)) {
redo++;
#endif
} else if (save_attr_fs(job_attr_def, pjob->ji_wattr,
(int)JOB_ATR_LAST) != 0) {
redo++;
} else if (save_flush() != 0) {
redo++;
}
if (redo != 0) {
if (lseek(fds, (off_t)0, SEEK_SET) < 0) {
log_err(errno, "job_save", "error lseek");
}
} else
break;
}
#ifdef WIN32
if (_commit(fds) != 0) {
log_err(errno, "job_save",
"flushing file to disk failed!");
(void)close(fds);
return (-1);
}
#endif
(void)close(fds);
if (i >= MAX_SAVE_TRIES) {
if ((updatetype == SAVEJOB_FULL) ||
(updatetype == SAVEJOB_FULLFORCE))
(void)unlink(namebuf2);
return (-1);
}
if ((updatetype == SAVEJOB_FULL) ||
(updatetype == SAVEJOB_FULLFORCE)) {
#ifdef WIN32
if (MoveFileEx(namebuf2, namebuf1,
MOVEFILE_REPLACE_EXISTING|MOVEFILE_WRITE_THROUGH) == 0) {
errno = GetLastError();
sprintf(log_buffer, "MoveFileEx(%s,%s) failed!",
namebuf2, namebuf1);
log_err(errno, "job_save", log_buffer);
}
secure_file(namebuf1, "Administrators",
READS_MASK|WRITES_MASK|STANDARD_RIGHTS_REQUIRED);
#else
if (rename(namebuf2, namebuf1) == -1) {
log_event(PBSEVENT_ERROR|PBSEVENT_SECURITY,
PBS_EVENTCLASS_JOB, LOG_ERR,
pjob->ji_qs.ji_jobid,
"rename in job_save failed");
}
#endif
}
pjob->ji_modified = 0;
}
return (0);
}
int
que_save_fs(pbs_queue *pque)
{
int fds;
int i;
char namebuf1[MAXPATHLEN];
char namebuf2[MAXPATHLEN];
(void)strcpy(namebuf1, path_queues);
(void)strcat(namebuf1, pque->qu_qs.qu_name);
(void)strcpy(namebuf2, namebuf1);
(void)strcat(namebuf2, ".new");
#ifdef WIN32
fix_perms2(namebuf2, namebuf1);
#endif
fds = open(namebuf2, O_CREAT | O_WRONLY | O_Sync, 0600);
if (fds < 0) {
sprintf(log_buffer, "error opening %s", namebuf2);
log_err(errno, __func__, log_buffer);
return (-1);
}
#ifdef WIN32
secure_file(namebuf2, "Administrators", READS_MASK|WRITES_MASK|STANDARD_RIGHTS_REQUIRED);
setmode(fds, O_BINARY);
#endif
/* set up save buffering system */
save_setup(fds);
/* save basic queue structure (fixed length stuff) */
if (save_struct((char *)&pque->qu_qs, sizeof(struct queuefix)) != 0) {
log_err(-1, __func__, "save_struct failed");
(void)close(fds);
return (-1);
}
/* save queue attributes */
if (save_attr_fs(que_attr_def, pque->qu_attr, (int)QA_ATR_LAST) != 0) {
log_err(-1, __func__, "save_attr failed");
(void)close(fds);
return (-1);
}
if (save_flush() != 0) { /* flush the save buffer */
log_err(-1, __func__, "save_flush failed");
(void)close(fds);
return (-1);
}
#ifdef WIN32
if (_commit(fds) != 0) {
log_err(errno, __func__, "flush queue file to disk failed!");
close(fds);
return (-1);
}
#endif
(void)close(fds);
#ifdef WIN32
if (MoveFileEx(namebuf2, namebuf1,
MOVEFILE_REPLACE_EXISTING | MOVEFILE_WRITE_THROUGH) == 0) {
errno = GetLastError();
sprintf(log_buffer, "MoveFileEx(%s, %s) failed!",
namebuf2, namebuf1);
log_err(errno, __func__, log_buffer);
}
secure_file(namebuf1, "Administrators",
READS_MASK|WRITES_MASK|STANDARD_RIGHTS_REQUIRED);
#else
if (rename(namebuf2, namebuf1) < 0)
log_err(errno, __func__, "unable to rename queue name");
#endif
/*
* now search queue's attributes for access control lists,
* they are saved separately in their own file:
* ../priv/(attr name)/(queue name)
*/
for (i=0; i < (int)QA_ATR_LAST; i++) {
if (pque->qu_attr[i].at_type == ATR_TYPE_ACL) {
save_acl(&pque->qu_attr[i], &que_attr_def[i],
que_attr_def[i].at_name, pque->qu_qs.qu_name);
}
}
return (0);
}
