static int
__pmSetUserGroupAttributes(const char *username, __pmHashCtl *attrs)
{
char name[32];
char *namep;
uid_t uid;
gid_t gid;
if (__pmGetUserIdentity(username, &uid, &gid, PM_RECOV_ERR) == 0) {
pmsprintf(name, sizeof(name), "%u", uid);
name[sizeof(name)-1] = '\0';
if ((namep = strdup(name)) != NULL)
__pmHashAdd(PCP_ATTR_USERID, namep, attrs);
else
return -ENOMEM;
pmsprintf(name, sizeof(name), "%u", gid);
name[sizeof(name)-1] = '\0';
if ((namep = strdup(name)) != NULL)
__pmHashAdd(PCP_ATTR_GROUPID, namep, attrs);
else
return -ENOMEM;
return 0;
}
pmNotifyErr(LOG_ERR, "Authenticated user %s not found\n", username);
return -ESRCH;
}
static int
SetCredentialAttrs(__pmHashCtl *attrs, unsigned int pid, unsigned int uid, unsigned int gid)
{
char name[32], *namep;
snprintf(name, sizeof(name), "%u", uid);
name[sizeof(name)-1] = '\0';
if ((namep = strdup(name)) != NULL)
__pmHashAdd(PCP_ATTR_USERID, namep, attrs);
snprintf(name, sizeof(name), "%u", gid);
name[sizeof(name)-1] = '\0';
if ((namep = strdup(name)) != NULL)
__pmHashAdd(PCP_ATTR_GROUPID, namep, attrs);
if (!pid) /* not available on all platforms */
return 0;
snprintf(name, sizeof(name), "%u", pid);
name[sizeof(name)-1] = '\0';
if ((namep = strdup(name)) != NULL)
__pmHashAdd(PCP_ATTR_PROCESSID, namep, attrs);
return 0;
}
int
main(int argc, char **argv)
{
__pmHashCtl hc = { 0 };
printf("adding entries\n");
__pmHashAdd(0, (void *)0L, &hc);
__pmHashAdd(1, (void *)1L, &hc);
__pmHashAdd(2, (void *)2L, &hc);
__pmHashAdd(3, (void *)3L, &hc);
if (argc >= 2) {
if (strcmp(argv[1], "callback") == 0)
__pmHashWalkCB(walker, (void *)PM_HASH_WALK_NEXT, &hc);
else if (strcmp(argv[1], "linked") == 0)
chained(&hc);
exit(0);
}
printf("iterating WALK_STOP\n");
__pmHashWalkCB(walker, (void *)PM_HASH_WALK_STOP, &hc);
printf("iterating WALK_NEXT\n");
__pmHashWalkCB(walker, (void *)PM_HASH_WALK_NEXT, &hc);
printf("iterating WALK_DELETE_STOP\n");
__pmHashWalkCB(walker, (void *)PM_HASH_WALK_DELETE_STOP, &hc);
printf("iterating WALK_NEXT\n");
__pmHashWalkCB(walker, (void *)PM_HASH_WALK_NEXT, &hc);
printf("iterating WALK_DELETE_NEXT\n");
__pmHashWalkCB(walker, (void *)PM_HASH_WALK_DELETE_NEXT, &hc);
printf("iterating WALK_NEXT\n");
__pmHashWalkCB(walker, (void *)PM_HASH_WALK_NEXT, &hc);
exit(0);
}
/*
* Parse the attributes component of a PCP connection string.
* Optionally, an initial attribute:value pair can be passed
* in as well to add to the parsed set.
*/
static int
parseAttributeSpec(
const char *spec, /* the original, complete string to parse */
char **position, /* parse from here onward and update at end */
int attribute,
char *value,
__pmHashCtl *attributes,
char **errmsg)
{
char *s, *start, *v = NULL;
char buffer[32]; /* must be large enough to hold largest attr name */
int buflen, attr, len, sts;
if (attribute != PCP_ATTR_NONE)
if ((sts = __pmHashAdd(attribute, (void *)value, attributes)) < 0)
return sts;
for (s = start = *position; s != NULL; s++) {
/* parse: foo=bar&moo&goo=blah ... go! */
if (*s == '\0' || *s == '/' || *s == '&') {
if ((*s == '\0' || *s == '/') && s == start)
break;
len = v ? (v - start - 1) : (s - start);
buflen = (len < sizeof(buffer)-1) ? len : sizeof(buffer)-1;
strncpy(buffer, start, buflen);
buffer[buflen] = '\0';
attr = __pmLookupAttrKey(buffer, buflen+1);
if (attr != PCP_ATTR_NONE) {
char *val = NULL;
if (v && (val = strndup(v, s - v)) == NULL) {
sts = -ENOMEM;
goto fail;
}
if ((sts = __pmHashAdd(attr, (void *)val, attributes)) < 0) {
free(val);
goto fail;
}
}
v = NULL;
if (*s == '\0' || *s == '/')
break;
start = s + 1; /* start of attribute name */
continue;
}
if (*s == '=') {
v = s + 1; /* start of attribute value */
}
}
*position = s;
return 0;
fail:
if (attribute != PCP_ATTR_NONE) /* avoid double free in caller */
__pmHashDel(attribute, (void *)value, attributes);
__pmFreeAttrsSpec(attributes);
return sts;
}
static int
__pmAuthServerSetAttributes(sasl_conn_t *conn, __pmHashCtl *attrs)
{
const void *property = NULL;
char *username;
int sts;
sts = sasl_getprop(conn, SASL_USERNAME, &property);
username = (char *)property;
if (sts == SASL_OK && username) {
int len = strlen(username);
pmNotifyErr(LOG_INFO,
"Successful authentication for user \"%s\"\n",
username);
if ((username = strdup(username)) == NULL) {
pmNoMem("__pmAuthServerSetAttributes",
len, PM_RECOV_ERR);
return -ENOMEM;
}
} else {
pmNotifyErr(LOG_ERR,
"Authentication complete, but no username\n");
return -ESRCH;
}
if ((sts = __pmHashAdd(PCP_ATTR_USERNAME, username, attrs)) < 0)
return sts;
return __pmSetUserGroupAttributes(username, attrs);
}
static int
addindom(__pmLogCtl *lcp, pmInDom indom, const __pmTimeval *tp, int numinst,
int *instlist, char **namelist, int *indom_buf, int allinbuf)
{
__pmLogInDom *idp;
__pmHashNode *hp;
int sts;
if ((idp = (__pmLogInDom *)malloc(sizeof(__pmLogInDom))) == NULL)
return -errno;
idp->stamp = *tp; /* struct assignment */
idp->numinst = numinst;
idp->instlist = instlist;
idp->namelist = namelist;
idp->buf = indom_buf;
idp->allinbuf = allinbuf;
#ifdef PCP_DEBUG
if (pmDebug & DBG_TRACE_LOGMETA)
fprintf(stderr, "addindom( ..., %s, %s, numinst=%d)\n",
pmInDomStr(indom), StrTimeval((__pmTimeval *)tp), numinst);
#endif
if ((hp = __pmHashSearch((unsigned int)indom, &lcp->l_hashindom)) == NULL) {
idp->next = NULL;
sts = __pmHashAdd((unsigned int)indom, (void *)idp, &lcp->l_hashindom);
}
else {
idp->next = (__pmLogInDom *)hp->data;
hp->data = (void *)idp;
sts = 0;
}
return sts;
}
static void
myvaluesetdump(pmValueSet *xvsp, int idx, int *flagsp)
{
int sts, flags = *flagsp;
DescHash *hp;
__pmHashNode *hnp;
static __pmHashCtl hash = { 0, 0, NULL };
if ((hnp = __pmHashSearch((unsigned int)xvsp->pmid, &hash)) == NULL) {
/* first time for this pmid */
hp = (DescHash *)malloc(sizeof(DescHash));
if (hp == NULL) {
__pmNoMem("DescHash", sizeof(DescHash), PM_FATAL_ERR);
/*NOTREACHED*/
}
if ((sts = pmNameID(xvsp->pmid, &hp->name)) < 0) {
printf(" %s: pmNameID: %s\n", pmIDStr(xvsp->pmid), pmErrStr(sts));
free(hp);
return;
}
else {
if (xvsp->pmid != pmid_flags &&
xvsp->pmid != pmid_missed &&
(sts = pmLookupDesc(xvsp->pmid, &hp->desc)) < 0) {
printf(" %s: pmLookupDesc: %s\n", hp->name, pmErrStr(sts));
free(hp->name);
free(hp);
return;
}
if ((sts = __pmHashAdd((unsigned int)xvsp->pmid, (void *)hp, &hash)) < 0) {
printf(" %s: __pmHashAdd: %s\n", hp->name, pmErrStr(sts));
free(hp->name);
free(hp);
return;
}
}
}
else
hp = (DescHash *)hnp->data;
if (idx == 0) {
if (xvsp->pmid == pmid_flags) {
flags = *flagsp = xvsp->vlist[0].value.lval;
printf(" flags 0x%x", flags);
printf(" (%s) ---\n", pmEventFlagsStr(flags));
return;
}
else
printf(" ---\n");
}
if ((flags & PM_EVENT_FLAG_MISSED) &&
(idx == 1) &&
(xvsp->pmid == pmid_missed)) {
printf(" ==> %d missed event records\n",
xvsp->vlist[0].value.lval);
return;
}
mydump(hp->name, &hp->desc, xvsp);
}
static int
ctxflags(__pmHashCtl *attrs, int *flags)
{
int sts;
char *name = NULL;
char *secure = NULL;
char *container = NULL;
__pmHashNode *node;
if ((node = __pmHashSearch(PCP_ATTR_PROTOCOL, attrs)) != NULL) {
if (strcmp((char *)node->data, "pcps") == 0) {
if ((node = __pmHashSearch(PCP_ATTR_SECURE, attrs)) != NULL)
secure = (char *)node->data;
else
secure = "enforce";
}
}
if (!secure)
secure = getenv("PCP_SECURE_SOCKETS");
if (secure) {
if (secure[0] == '\0' ||
(strcmp(secure, "1")) == 0 ||
(strcmp(secure, "enforce")) == 0) {
*flags |= PM_CTXFLAG_SECURE;
} else if (strcmp(secure, "relaxed") == 0) {
*flags |= PM_CTXFLAG_RELAXED;
}
}
if (__pmHashSearch(PCP_ATTR_COMPRESS, attrs) != NULL)
*flags |= PM_CTXFLAG_COMPRESS;
if (__pmHashSearch(PCP_ATTR_USERAUTH, attrs) != NULL ||
__pmHashSearch(PCP_ATTR_USERNAME, attrs) != NULL ||
__pmHashSearch(PCP_ATTR_PASSWORD, attrs) != NULL ||
__pmHashSearch(PCP_ATTR_METHOD, attrs) != NULL ||
__pmHashSearch(PCP_ATTR_REALM, attrs) != NULL)
*flags |= PM_CTXFLAG_AUTH;
if (__pmHashSearch(PCP_ATTR_CONTAINER, attrs) != NULL)
*flags |= PM_CTXFLAG_CONTAINER;
else if ((container = getenv("PCP_CONTAINER")) != NULL) {
if ((name = strdup(container)) == NULL)
return -ENOMEM;
if ((sts = __pmHashAdd(PCP_ATTR_CONTAINER, (void *)name, attrs)) < 0) {
free(name);
return sts;
}
*flags |= PM_CTXFLAG_CONTAINER;
}
if (__pmHashSearch(PCP_ATTR_EXCLUSIVE, attrs) != NULL)
*flags |= PM_CTXFLAG_EXCLUSIVE;
return 0;
}
/* Print event performance metric values */
void
printevents(Context *x, pmValueSet *vset, int cols)
{
int i, sts, highres = (x->desc.type != PM_TYPE_EVENT);
unsigned inst;
for (i = 0; i < vset->numval; i++) {
inst = (unsigned int)vset->vlist[i].inst;
if (inst == PM_IN_NULL)
printf("%s:", x->metric);
else {
int k;
char *iname = NULL;
if (x->inum > 0) {
for (k = 0; k < x->inum; k++) {
if (x->iids[k] == inst) {
iname = x->inames[k];
break;
}
}
}
else {
/* all instances selected */
__pmHashNode *hnp;
hnp = __pmHashSearch(inst, &x->ihash);
if (hnp == NULL) {
if (archive)
sts = pmNameInDomArchive(x->desc.indom, inst, &iname);
else
sts = pmNameInDom(x->desc.indom, inst, &iname);
if (sts < 0) {
fprintf(stderr, "%s: pmNameInDom: %s[%u]: %s\n",
pmProgname, x->metric, inst, pmErrStr(sts));
exit(EXIT_FAILURE);
}
if ((sts = __pmHashAdd(inst, (void *)iname, &x->ihash)) < 0) {
fprintf(stderr, "%s: __pmHashAdd: %s[%s (%u)]: %s\n",
pmProgname, x->metric, iname, inst,
pmErrStr(sts));
exit(EXIT_FAILURE);
}
}
else
iname = (char *)hnp->data;
}
if (iname == NULL)
continue;
printf("%s[%s]:", x->metric, iname);
}
myeventdump(vset, i, highres);
}
}
static int
build_dsoattrs(pmdaInterface *dispatch, __pmHashCtl *attrs)
{
__pmHashNode *node;
char name[32];
char *namep;
int sts = 0;
#ifdef HAVE_GETUID
snprintf(name, sizeof(name), "%u", getuid());
name[sizeof(name)-1] = '\0';
if ((namep = strdup(name)) != NULL)
__pmHashAdd(PCP_ATTR_USERID, namep, attrs);
#endif
#ifdef HAVE_GETGID
snprintf(name, sizeof(name), "%u", getgid());
name[sizeof(name)-1] = '\0';
if ((namep = strdup(name)) != NULL)
__pmHashAdd(PCP_ATTR_GROUPID, namep, attrs);
#endif
snprintf(name, sizeof(name), "%u", getpid());
name[sizeof(name)-1] = '\0';
if ((namep = strdup(name)) != NULL)
__pmHashAdd(PCP_ATTR_PROCESSID, namep, attrs);
if (dispatch->version.six.attribute != NULL) {
for (node = __pmHashWalk(attrs, PM_HASH_WALK_START);
node != NULL;
node = __pmHashWalk(attrs, PM_HASH_WALK_NEXT)) {
if ((sts = dispatch->version.six.attribute(
0, node->key, node->data,
node->data ? strlen(node->data)+1 : 0,
dispatch->version.six.ext)) < 0)
break;
}
}
return sts;
}
static int
ctxlocal(__pmHashCtl *attrs)
{
int sts;
char *name = NULL;
char *container = NULL;
if ((container = getenv("PCP_CONTAINER")) != NULL) {
if ((name = strdup(container)) == NULL)
return -ENOMEM;
if ((sts = __pmHashAdd(PCP_ATTR_CONTAINER, (void *)name, attrs)) < 0) {
free(name);
return sts;
}
}
return 0;
}
/*
* load _all_ of the hashed pmDesc and __pmLogInDom structures from the metadata
* log file -- used at the initialization (NewContext) of an archive
* If version 2 then
* load all the names from the meta data and create l_pmns.
*/
int
__pmLogLoadMeta(__pmLogCtl *lcp)
{
int rlen;
int check;
pmDesc *dp;
int sts = 0;
__pmLogHdr h;
FILE *f = lcp->l_mdfp;
int version2 = ((lcp->l_label.ill_magic & 0xff) == PM_LOG_VERS02);
int numpmid = 0;
int n;
if (version2) {
if ((sts = __pmNewPMNS(&(lcp->l_pmns))) < 0) {
goto end;
}
}
fseek(f, (long)(sizeof(__pmLogLabel) + 2*sizeof(int)), SEEK_SET);
for ( ; ; ) {
n = (int)fread(&h, 1, sizeof(__pmLogHdr), f);
/* swab hdr */
h.len = ntohl(h.len);
h.type = ntohl(h.type);
if (n != sizeof(__pmLogHdr) || h.len <= 0) {
if (feof(f)) {
clearerr(f);
sts = 0;
goto end;
}
#ifdef PCP_DEBUG
if (pmDebug & DBG_TRACE_LOGMETA) {
fprintf(stderr, "__pmLogLoadMeta: header read -> %d: expected: %d\n",
n, (int)sizeof(__pmLogHdr));
}
#endif
if (ferror(f)) {
clearerr(f);
sts = -errno;
}
else
sts = PM_ERR_LOGREC;
goto end;
}
#ifdef PCP_DEBUG
if (pmDebug & DBG_TRACE_LOGMETA) {
fprintf(stderr, "__pmLogLoadMeta: record len=%d, type=%d @ offset=%d\n",
h.len, h.type, (int)(ftell(f) - sizeof(__pmLogHdr)));
}
#endif
rlen = h.len - (int)sizeof(__pmLogHdr) - (int)sizeof(int);
if (h.type == TYPE_DESC) {
numpmid++;
if ((dp = (pmDesc *)malloc(sizeof(pmDesc))) == NULL) {
sts = -errno;
goto end;
}
if ((n = (int)fread(dp, 1, sizeof(pmDesc), f)) != sizeof(pmDesc)) {
#ifdef PCP_DEBUG
if (pmDebug & DBG_TRACE_LOGMETA) {
fprintf(stderr, "__pmLogLoadMeta: pmDesc read -> %d: expected: %d\n",
n, (int)sizeof(pmDesc));
}
#endif
if (ferror(f)) {
clearerr(f);
sts = -errno;
}
else
sts = PM_ERR_LOGREC;
goto end;
}
else {
/* swab desc */
dp->type = ntohl(dp->type);
dp->sem = ntohl(dp->sem);
dp->indom = __ntohpmInDom(dp->indom);
dp->units = __ntohpmUnits(dp->units);
dp->pmid = __ntohpmID(dp->pmid);
}
if ((sts = __pmHashAdd((int)dp->pmid, (void *)dp, &lcp->l_hashpmid)) < 0)
goto end;
if (version2) {
char name[MAXPATHLEN];
int numnames;
int i;
int len;
/* read in the names & store in PMNS tree ... */
if ((n = (int)fread(&numnames, 1, sizeof(numnames), f)) !=
sizeof(numnames)) {
#ifdef PCP_DEBUG
if (pmDebug & DBG_TRACE_LOGMETA) {
fprintf(stderr, "__pmLogLoadMeta: numnames read -> %d: expected: %d\n",
n, (int)sizeof(numnames));
}
#endif
if (ferror(f)) {
clearerr(f);
sts = -errno;
}
else
sts = PM_ERR_LOGREC;
goto end;
}
else {
/* swab numnames */
numnames = ntohl(numnames);
}
for (i = 0; i < numnames; i++) {
if ((n = (int)fread(&len, 1, sizeof(len), f)) !=
sizeof(len)) {
#ifdef PCP_DEBUG
if (pmDebug & DBG_TRACE_LOGMETA) {
fprintf(stderr, "__pmLogLoadMeta: len name[%d] read -> %d: expected: %d\n",
i, n, (int)sizeof(len));
}
#endif
if (ferror(f)) {
clearerr(f);
sts = -errno;
}
else
sts = PM_ERR_LOGREC;
goto end;
}
else {
/* swab len */
len = ntohl(len);
}
if ((n = (int)fread(name, 1, len, f)) != len) {
#ifdef PCP_DEBUG
if (pmDebug & DBG_TRACE_LOGMETA) {
fprintf(stderr, "__pmLogLoadMeta: name[%d] read -> %d: expected: %d\n",
i, n, len);
}
#endif
if (ferror(f)) {
clearerr(f);
sts = -errno;
}
else
sts = PM_ERR_LOGREC;
goto end;
}
name[len] = '\0';
#ifdef PCP_DEBUG
if (pmDebug & DBG_TRACE_LOGMETA) {
fprintf(stderr, "__pmLogLoadMeta: PMID: %s name: %s\n",
pmIDStr(dp->pmid), name);
}
#endif
if ((sts = __pmAddPMNSNode(lcp->l_pmns, dp->pmid, name)) < 0) {
/*
* If we see a duplicate PMID, its a recoverable error.
* We wont be able to see all of the data in the log, but
* its better to provide access to some rather than none,
* esp. when only one or two metric IDs may be corrupted
* in this way (which we may not be interested in anyway).
*/
if (sts != PM_ERR_PMID)
goto end;
sts = 0;
}
}/*for*/
}/*version2*/
}
else if (h.type == TYPE_INDOM) {
int *tbuf;
pmInDom indom;
__pmTimeval *when;
int numinst;
int *instlist;
char **namelist;
char *namebase;
int *stridx;
int i;
int k;
int allinbuf;
if ((tbuf = (int *)malloc(rlen)) == NULL) {
sts = -errno;
goto end;
}
if ((n = (int)fread(tbuf, 1, rlen, f)) != rlen) {
#ifdef PCP_DEBUG
if (pmDebug & DBG_TRACE_LOGMETA) {
fprintf(stderr, "__pmLogLoadMeta: indom read -> %d: expected: %d\n",
n, rlen);
}
#endif
if (ferror(f)) {
clearerr(f);
sts = -errno;
}
else
sts = PM_ERR_LOGREC;
goto end;
}
k = 0;
when = (__pmTimeval *)&tbuf[k];
when->tv_sec = ntohl(when->tv_sec);
when->tv_usec = ntohl(when->tv_usec);
k += sizeof(*when)/sizeof(int);
indom = __ntohpmInDom((unsigned int)tbuf[k++]);
numinst = ntohl(tbuf[k++]);
if (numinst > 0) {
instlist = &tbuf[k];
k += numinst;
stridx = &tbuf[k];
#if defined(HAVE_32BIT_PTR)
namelist = (char **)stridx;
allinbuf = 1; /* allocation is all in tbuf */
#else
allinbuf = 0; /* allocation for namelist + tbuf */
/* need to allocate to hold the pointers */
namelist = (char **)malloc(numinst*sizeof(char*));
if (namelist == NULL) {
sts = -errno;
goto end;
}
#endif
k += numinst;
namebase = (char *)&tbuf[k];
for (i = 0; i < numinst; i++) {
instlist[i] = ntohl(instlist[i]);
namelist[i] = &namebase[ntohl(stridx[i])];
}
}
else {
/* no instances, or an error */
instlist = NULL;
namelist = NULL;
}
if ((sts = addindom(lcp, indom, when, numinst, instlist, namelist, tbuf, allinbuf)) < 0)
goto end;
}
else
fseek(f, (long)rlen, SEEK_CUR);
n = (int)fread(&check, 1, sizeof(check), f);
check = ntohl(check);
if (n != sizeof(check) || h.len != check) {
#ifdef PCP_DEBUG
if (pmDebug & DBG_TRACE_LOGMETA) {
fprintf(stderr, "__pmLogLoadMeta: trailer read -> %d or len=%d: expected %d @ offset=%d\n",
n, check, h.len, (int)(ftell(f) - sizeof(check)));
}
#endif
if (ferror(f)) {
clearerr(f);
sts = -errno;
}
else
sts = PM_ERR_LOGREC;
goto end;
}
}/*for*/
end:
fseek(f, (long)(sizeof(__pmLogLabel) + 2*sizeof(int)), SEEK_SET);
if (version2 && sts == 0) {
__pmFixPMNSHashTab(lcp->l_pmns, numpmid, 1);
}
return sts;
}
/* Update an existing metric (given a pmValueSet) adding it to the specified
* task. Allocate and return a new task_t if the specified task pointer is nil.
*/
static int
update_metric(pmValueSet *vsp, int reqstate, int mflags, task_t **result)
{
pmID pmid = vsp->pmid;
task_t *ntp = *result; /* pointer to new task */
task_t *ctp; /* pointer to current task */
optreq_t *rqp;
pmDesc *dp;
int i, j, inst;
int sts, need = 0;
int addpmid = 0;
int freedp;
/* allocate a new task if null task pointer passed in */
if (ntp == NULL) {
ntp = calloc(1, sizeof(task_t));
if (ntp == NULL) {
__pmNoMem("update_metric: new task calloc", sizeof(task_t),
PM_FATAL_ERR);
}
*result = ntp;
}
if ((mflags & MF_HAS_INDOM) == 0) {
rqp = findoptreq(pmid, 0);
ctp = (task_t *)(rqp->r_fetch->f_aux);
if (!update_ok(ctp->t_state, reqstate))
return 1;
/* if the new state is advisory off, just remove the metric */
if ((PMLC_GET_MAYBE(reqstate)) ||
(PMLC_GET_MAND(reqstate) == 0 && PMLC_GET_ON(reqstate) == 0))
del_optreq(rqp);
else {
/* update the optreq. For single valued metrics there are no
* instances involved so the sole optreq can just be re-used.
*/
if ((sts = __pmOptFetchDel(&ctp->t_fetch, rqp)) < 0)
die("update_metric: 1 metric __pmOptFetchDel", sts);
__pmOptFetchAdd(&ntp->t_fetch, rqp);
linkback(ntp);
addpmid = 1;
}
}
else {
/* metric has an instance domain */
if (vsp->numval > 0) {
/* tricky: since optFetch can't handle instance profiles of the
* form "all except these specific instances", and managing it
* manually is just too hard, reject requests for specific
* metric instances if "all instances" of the metric are already
* being logged.
* Note: advisory off "all instances" is excepted since ANY request
* overrides and advisory off. E.g. "advisory off all" followed by
* "advisory on someinsts" turns on advisory logging for
* "someinsts". mflags will be zero for "advisory off" metrics.
*/
if (mflags & MF_HAS_ALL)
return 1; /* can't turn "all" into specific insts */
for (i = 0; i < vsp->numval; i++) {
dp = NULL;
freedp = 0;
inst = vsp->vlist[i].inst;
rqp = findoptreq(pmid, inst);
if (rqp != NULL) {
dp = rqp->r_desc;
ctp = (task_t *)(rqp->r_fetch->f_aux);
/* no work required if new task and current are the same */
if (ntp == ctp)
continue;
if (!update_ok(ctp->t_state, reqstate))
continue;
/* remove inst's group from current task */
if ((sts = __pmOptFetchDel(&ctp->t_fetch, rqp)) < 0)
die("update_metric: instance add __pmOptFetchDel", sts);
/* put group back if there are any instances left */
if (rqp->r_numinst > 1) {
/* remove inst from group */
for (j = 0; j < rqp->r_numinst; j++)
if (inst == rqp->r_instlist[j])
break;
/* don't call memmove to move zero bytes */
if (j < rqp->r_numinst - 1)
memmove(&rqp->r_instlist[j], &rqp->r_instlist[j+1],
(rqp->r_numinst - 1 - j) *
sizeof(rqp->r_instlist[0]));
rqp->r_numinst--;
/* (don't bother realloc-ing the instlist to a smaller size) */
__pmOptFetchAdd(&ctp->t_fetch, rqp);
linkback(ctp);
/* no need to update hash list, rqp already there */
}
/* if that was the last instance, free the group */
else {
if (( sts = __pmHashDel(pmid, (void *)rqp, &pm_hash)) < 0)
die("update_metric: instance __pmHashDel", sts);
freedp = 1;
free(rqp->r_instlist);
free(rqp);
}
}
/* advisory off (mandatory maybe) metrics don't get put into
* the data structure
*/
if (PMLC_GET_MAYBE(reqstate) ||
(PMLC_GET_MAND(reqstate) == 0 && PMLC_GET_ON(reqstate) == 0)) {
if (freedp)
free(dp);
continue;
}
addpmid = 1;
/* try to find an existing optreq_t for the instance */
rqp = find_instoptreq(ntp, pmid);
if (rqp != NULL) {
if ((sts = __pmOptFetchDel(&ntp->t_fetch, rqp)) < 0)
die("update_metric: instance add __pmOptFetchDel", sts);
}
/* no existing optreq_t found, allocate & populate a new one */
else {
rqp = (optreq_t *)calloc(1, sizeof(optreq_t));
if (rqp == NULL) {
__pmNoMem("update_metric: optreq calloc",
sizeof(optreq_t), PM_FATAL_ERR);
}
/* if the metric existed but the instance didn't, we don't
* have a valid pmDesc (dp), so find one.
*/
if (dp == NULL) {
/* find metric and associated pmDesc */
__pmHashNode *hp;
for (hp = __pmHashSearch(pmid, &pm_hash);
hp != NULL; hp = hp->next) {
if (pmid == (pmID)hp->key)
break;
}
assert(hp != NULL);
dp = ((optreq_t *)hp->data)->r_desc;
}
/* recycle pmDesc from the old group, if possible */
if (freedp) {
rqp->r_desc = dp;
freedp = 0;
}
/* otherwise allocate & copy a new pmDesc via dp */
else {
need = sizeof(pmDesc);
rqp->r_desc = (pmDesc *)malloc(need);
if (rqp->r_desc == NULL) {
__pmNoMem("update_metric: new inst pmDesc malloc",
need, PM_FATAL_ERR);
}
memcpy(rqp->r_desc, dp, need);
}
if ((sts = __pmHashAdd(pmid, (void *)rqp, &pm_hash)) < 0)
die("update_metric: __pmHashAdd", sts);
}
need = (rqp->r_numinst + 1) * sizeof(rqp->r_instlist[0]);
rqp->r_instlist = (int *)realloc(rqp->r_instlist, need);
if (rqp->r_instlist == NULL) {
__pmNoMem("update_metric: inst list resize", need,
PM_FATAL_ERR);
}
rqp->r_instlist[rqp->r_numinst++] = inst;
__pmOptFetchAdd(&ntp->t_fetch, rqp);
linkback(ntp);
if (freedp)
free(dp);
}
}
/* the vset has numval == 0, a request for "all instances" */
else {
/* if the metric is a singular instance that has mandatory logging
* or has at least one instance with mandatory logging on, a
* request for advisory logging cannot be honoured
*/
if ((mflags & MF_HAS_MAND) &&
PMLC_GET_MAND(reqstate) == 0 && PMLC_GET_MAYBE(reqstate) == 0)
return 1;
if (mflags & MF_HAS_ALL) {
/* if there is an "all instances" for the metric, it will be
* the only optreq_t for the metric
*/
rqp = findoptreq(pmid, 0);
ctp = (task_t *)rqp->r_fetch->f_aux;
/* if the metric is "advisory on, all instances" and the
* request is for "mandatory maybe, all instances" the current
* advisory logging state of the metric is retained
*/
if (PMLC_GET_MAND(ctp->t_state) == 0 && PMLC_GET_MAYBE(reqstate))
return 0;
/* advisory off & mandatory maybe metrics don't get put into
* the data structure
*/
if (PMLC_GET_MAYBE(reqstate) ||
(PMLC_GET_MAND(reqstate) == 0 && PMLC_GET_ON(reqstate) == 0)) {
del_optreq(rqp);
return 0;
}
addpmid = 1;
if ((sts = __pmOptFetchDel(&ctp->t_fetch, rqp)) < 0)
die("update_metric: all inst __pmOptFetchDel", sts);
/* don't delete from hash list, rqp re-used */
__pmOptFetchAdd(&ntp->t_fetch, rqp);
linkback(ntp);
}
else {
/* there are one or more specific instances for the metric.
* The metric cannot have an "all instances" at the same time.
*
* if the request is for "mandatory maybe, all instances" and
* the only instances of the metric all have advisory logging
* on, retain the current advisory semantics.
*/
if (PMLC_GET_MAYBE(reqstate) &&
(mflags & MF_HAS_INST) && !(mflags & MF_HAS_MAND))
return 0;
dp = del_insts(pmid);
/* advisory off (mandatory maybe) metrics don't get put into
* the data structure
*/
if (PMLC_GET_MAYBE(reqstate) ||
(PMLC_GET_MAND(reqstate) == 0 && PMLC_GET_ON(reqstate) == 0)) {
free(dp);
return 0;
}
addpmid = 1;
rqp = (optreq_t *)calloc(1, sizeof(optreq_t));
if (rqp == NULL) {
__pmNoMem("update_metric: all inst calloc",
sizeof(optreq_t), PM_FATAL_ERR);
}
rqp->r_desc = dp;
__pmOptFetchAdd(&ntp->t_fetch, rqp);
linkback(ntp);
if ((sts = __pmHashAdd(pmid, (void *)rqp, &pm_hash)) < 0)
die("update_metric: all inst __pmHashAdd", sts);
}
}
}
if (!addpmid)
return 0;
/* add pmid to new task if not already there */
for (i = 0; i < ntp->t_numpmid; i++)
if (pmid == ntp->t_pmidlist[i])
break;
if (i >= ntp->t_numpmid) {
pmDesc desc;
char *name;
int need;
if ((sts = pmLookupDesc(pmid, &desc)) < 0)
die("update_metric: cannot lookup desc", sts);
if ((sts = pmNameID(pmid, &name)) < 0)
die("update_metric: cannot lookup name", sts);
need = (ntp->t_numpmid + 1) * sizeof(pmID);
if (!(ntp->t_pmidlist = (pmID *)realloc(ntp->t_pmidlist, need)))
__pmNoMem("update_metric: grow task pmidlist", need, PM_FATAL_ERR);
need = (ntp->t_numpmid + 1) * sizeof(char *);
if (!(ntp->t_namelist = (char **)realloc(ntp->t_namelist, need)))
__pmNoMem("update_metric: grow task namelist", need, PM_FATAL_ERR);
need = (ntp->t_numpmid + 1) * sizeof(pmDesc);
if (!(ntp->t_desclist = (pmDesc *)realloc(ntp->t_desclist, need)))
__pmNoMem("update_metric: grow task desclist", need, PM_FATAL_ERR);
i = ntp->t_numpmid;
ntp->t_pmidlist[i] = pmid;
ntp->t_namelist[i] = name;
ntp->t_desclist[i] = desc;
ntp->t_numpmid++;
}
return 0;
}
/* Add a new metric (given a pmValueSet and a pmDesc) to the specified task.
* Allocate and return a new task_t if the specified task pointer is nil.
*
* Note that this should only be called for metrics not currently in the
* logging data structure. All instances in the pmValueSet are added!
*/
static int
add_metric(pmValueSet *vsp, task_t **result)
{
pmID pmid = vsp->pmid;
task_t *tp = *result;
optreq_t *rqp;
pmDesc *dp;
char *name;
int sts, i, need = 0;
dp = (pmDesc *)malloc(sizeof(pmDesc));
if (dp == NULL) {
__pmNoMem("add_metric: new pmDesc malloc", sizeof(pmDesc), PM_FATAL_ERR);
}
if ((sts = pmLookupDesc(pmid, dp)) < 0)
die("add_metric: lookup desc", sts);
if ((sts = pmNameID(pmid, &name)) < 0)
die("add_metric: lookup name", sts);
/* allocate a new task if null task pointer passed in */
if (tp == NULL) {
tp = calloc(1, sizeof(task_t));
if (tp == NULL) {
__pmNoMem("add_metric: new task calloc", sizeof(task_t), PM_FATAL_ERR);
}
*result = tp;
}
/* add metric (and any instances specified) to task */
i = tp->t_numpmid++;
need = tp->t_numpmid * sizeof(pmID);
if (!(tp->t_pmidlist = (pmID *)realloc(tp->t_pmidlist, need)))
__pmNoMem("add_metric: new task pmidlist realloc", need, PM_FATAL_ERR);
need = tp->t_numpmid * sizeof(char *);
if (!(tp->t_namelist = (char **)realloc(tp->t_namelist, need)))
__pmNoMem("add_metric: new task namelist realloc", need, PM_FATAL_ERR);
need = tp->t_numpmid * sizeof(pmDesc);
if (!(tp->t_desclist = (pmDesc *)realloc(tp->t_desclist, need)))
__pmNoMem("add_metric: new task desclist realloc", need, PM_FATAL_ERR);
tp->t_pmidlist[i] = pmid;
tp->t_namelist[i] = name;
tp->t_desclist[i] = *dp; /* struct assignment */
rqp = (optreq_t *)calloc(1, sizeof(optreq_t));
if (rqp == NULL) {
__pmNoMem("add_metric: new task optreq calloc", need, PM_FATAL_ERR);
}
rqp->r_desc = dp;
/* Now copy instances if required. Remember that metrics with singular
* values actually have one instance specified to distinguish them from the
* "all instances" case (which has no instances). Use the pmDesc to check
* for this.
*/
if (dp->indom != PM_INDOM_NULL)
need = rqp->r_numinst = vsp->numval;
if (need) {
need *= sizeof(rqp->r_instlist[0]);
rqp->r_instlist = (int *)malloc(need);
if (rqp->r_instlist == NULL) {
__pmNoMem("add_metric: new task optreq instlist malloc", need,
PM_FATAL_ERR);
}
for (i = 0; i < vsp->numval; i++)
rqp->r_instlist[i] = vsp->vlist[i].inst;
}
/* Add new metric to task's fetchgroup(s) and global hash table */
__pmOptFetchAdd(&tp->t_fetch, rqp);
linkback(tp);
if ((sts = __pmHashAdd(pmid, (void *)rqp, &pm_hash)) < 0)
die("add_metric: __pmHashAdd", sts);
return 0;
}
static void
docheck(pmResult *result)
{
int i, j, k;
int sts;
pmDesc desc;
pmAtomValue av;
pmValue *vp;
pmValueSet *vsp;
__pmHashNode *hptr = NULL;
checkData *checkdata = NULL;
double diff;
struct timeval timediff;
for (i = 0; i < result->numpmid; i++) {
vsp = result->vset[i];
#ifdef PCP_DEBUG
if (pmDebug & DBG_TRACE_APPL1) {
if (vsp->numval == 0) {
fprintf(stderr, "%s.%d:[", l_archname, l_ctxp->c_archctl->ac_vol);
print_stamp(stderr, &result->timestamp);
fprintf(stderr, "] ");
print_metric(stderr, vsp->pmid);
fprintf(stderr, ": no values returned\n");
continue;
}
else if (vsp->numval < 0) {
fprintf(stderr, "%s.%d:[", l_archname, l_ctxp->c_archctl->ac_vol);
print_stamp(stderr, &result->timestamp);
fprintf(stderr, "] ");
print_metric(stderr, vsp->pmid);
fprintf(stderr, ": error from numval: %s\n", pmErrStr(vsp->numval));
continue;
}
}
#endif
if (vsp->numval <= 0)
continue;
/* check if pmid already in hash list */
if ((hptr = __pmHashSearch(vsp->pmid, &hashlist)) == NULL) {
if ((sts = pmLookupDesc(vsp->pmid, &desc)) < 0) {
fprintf(stderr, "%s.%d:[", l_archname, l_ctxp->c_archctl->ac_vol);
print_stamp(stderr, &result->timestamp);
fprintf(stderr, "] ");
print_metric(stderr, vsp->pmid);
fprintf(stderr, ": pmLookupDesc failed: %s\n", pmErrStr(sts));
continue;
}
if (desc.type != PM_TYPE_32 && desc.type != PM_TYPE_U32 &&
desc.type != PM_TYPE_64 && desc.type != PM_TYPE_U64 &&
desc.type != PM_TYPE_FLOAT && desc.type != PM_TYPE_DOUBLE) {
continue; /* no checks for non-numeric metrics */
}
/* create a new one & add to list */
checkdata = (checkData*) malloc(sizeof(checkData));
newHashItem(vsp, &desc, checkdata, &result->timestamp);
if (__pmHashAdd(checkdata->desc.pmid, (void*)checkdata, &hashlist) < 0) {
fprintf(stderr, "%s.%d:[", l_archname, l_ctxp->c_archctl->ac_vol);
print_stamp(stderr, &result->timestamp);
fprintf(stderr, "] ");
print_metric(stderr, vsp->pmid);
fprintf(stderr, ": __pmHashAdd failed (internal pmlogcheck error)\n");
/* free memory allocated above on insert failure */
for (j = 0; j < vsp->numval; j++) {
if (checkdata->instlist[j] != NULL)
free(checkdata->instlist[j]);
}
if (checkdata->instlist != NULL)
free(checkdata->instlist);
continue;
}
}
else { /* pmid exists - update statistics */
checkdata = (checkData *)hptr->data;
for (j = 0; j < vsp->numval; j++) { /* iterate thro result values */
vp = &vsp->vlist[j];
k = j; /* index into stored inst list, result may differ */
if ((vsp->numval > 1) || (checkdata->desc.indom != PM_INDOM_NULL)) {
/* must store values using correct inst - probably in correct order already */
if ((k < checkdata->listsize) && (checkdata->instlist[k]->inst != vp->inst)) {
for (k = 0; k < checkdata->listsize; k++) {
if (vp->inst == checkdata->instlist[k]->inst) {
break; /* k now correct */
}
}
if (k == checkdata->listsize) { /* no matching inst was found */
newHashInst(vp, checkdata, vsp->valfmt, &result->timestamp, k);
continue;
}
}
else if (k >= checkdata->listsize) {
k = checkdata->listsize;
newHashInst(vp, checkdata, vsp->valfmt, &result->timestamp, k);
continue;
}
}
if (k >= checkdata->listsize) { /* only error values observed so far */
k = checkdata->listsize;
newHashInst(vp, checkdata, vsp->valfmt, &result->timestamp, k);
continue;
}
timediff = result->timestamp;
tsub(&timediff, &(checkdata->instlist[k]->lasttime));
if (timediff.tv_sec < 0) {
/* clip negative values at zero */
timediff.tv_sec = 0;
timediff.tv_usec = 0;
}
diff = __pmtimevalToReal(&timediff);
if ((sts = pmExtractValue(vsp->valfmt, vp, checkdata->desc.type, &av, PM_TYPE_DOUBLE)) < 0) {
fprintf(stderr, "%s.%d:[", l_archname, l_ctxp->c_archctl->ac_vol);
print_stamp(stderr, &result->timestamp);
fprintf(stderr, "] ");
print_metric(stderr, vsp->pmid);
fprintf(stderr, ": pmExtractValue failed: %s\n", pmErrStr(sts));
continue;
}
if (checkdata->desc.sem == PM_SEM_COUNTER) {
if (diff == 0.0) continue;
diff *= checkdata->scale;
#ifdef PCP_DEBUG
if (pmDebug & DBG_TRACE_APPL2) {
fprintf(stderr, "%s.%d:[", l_archname, l_ctxp->c_archctl->ac_vol);
print_stamp(stderr, &result->timestamp);
fprintf(stderr, "] ");
print_metric(stderr, checkdata->desc.pmid);
fprintf(stderr, ": current counter value is %.0f\n", av.d);
}
#endif
unwrap(av.d, &(result->timestamp), checkdata, k);
}
checkdata->instlist[k]->lastval = av.d;
checkdata->instlist[k]->lasttime = result->timestamp;
}
}
}
}