int
QmcGroup::useDefaultTZ()
{
if (my.tzFlag == unknownTZ)
return -1;
return pmUseZone(my.tzDefault);
}
int
QmcContext::useTZ()
{
if (my.source->tzHandle() >= 0)
return pmUseZone(my.source->tzHandle());
return 0;
}
int
QmcGroup::useLocalTZ()
{
if (tzLocal >= 0) {
int sts = pmUseZone(tzLocal);
if (sts > 0) {
my.tzFlag = localTZ;
my.tzDefault = tzLocal;
if (pmDebug & DBG_TRACE_PMC) {
QTextStream cerr(stderr);
cerr << "QmcGroup::useTZ: Using timezone of host \"localhost\""
<< endl;
}
}
return sts;
}
return tzLocal;
}
void
QmcSource::retryConnect(int type, QString &source)
{
int oldTZ;
int oldContext;
int offset;
int sts;
char *tzs;
QString name;
QString hostSpec;
switch (type) {
case PM_CONTEXT_LOCAL:
my.desc = "Local context";
my.host = my.source = localHost;
my.proxy = "";
break;
case PM_CONTEXT_HOST:
my.desc = "host \"";
my.desc.append(source);
my.desc.append(QChar('\"'));
my.host = source;
my.proxy = getenv("PMPROXY_HOST");
if ((offset = my.host.indexOf('?')) >= 0) {
my.attrs = my.host;
my.attrs.remove(0, offset+1);
my.host.truncate(offset);
name = my.attrs.section(QString("container="), -1);
if (name != QString::null && (offset = name.indexOf(',')) > 0)
name.truncate(offset);
my.context_container = name;
}
if ((offset = my.host.indexOf('@')) >= 0) {
my.proxy = my.host;
my.proxy.remove(0, offset+1);
}
my.source = my.host;
break;
case PM_CONTEXT_ARCHIVE:
my.desc = "archive \"";
my.desc.append(source);
my.desc.append(QChar('\"'));
my.source = source;
my.proxy = "";
break;
}
oldContext = pmWhichContext();
hostSpec = source;
my.status = pmNewContext(type | my.flags, (const char *)hostSpec.toAscii());
if (my.status >= 0) {
my.handles.append(my.status);
// Fetch the server-side host name for this context, properly as of pcp 3.8.3+.
my.context_hostname = pmGetContextHostName(my.status); // NB: may leak memory
if (my.context_hostname == "") // may be returned for errors or PM_CONTEXT_LOCAL
my.context_hostname = localHost;
if (my.type == PM_CONTEXT_ARCHIVE) {
pmLogLabel lp;
sts = pmGetArchiveLabel(&lp);
if (sts < 0) {
pmprintf("%s: Unable to obtain log label for \"%s\": %s\n",
pmProgname, (const char *)my.desc.toAscii(),
pmErrStr(sts));
my.host = "unknown?";
my.status = sts;
goto done;
}
else {
my.host = lp.ll_hostname;
my.start = lp.ll_start;
}
sts = pmGetArchiveEnd(&my.end);
if (sts < 0) {
pmprintf("%s: Unable to determine end of \"%s\": %s\n",
pmProgname, (const char *)my.desc.toAscii(),
pmErrStr(sts));
my.status = sts;
goto done;
}
}
else {
gettimeofday(&my.start, NULL);
my.end = my.start;
}
if (pmDebug & DBG_TRACE_PMC) {
QTextStream cerr(stderr);
cerr << "QmcSource::QmcSource: Created context "
<< my.handles.last() << " to " << my.desc << endl;
}
oldTZ = pmWhichZone(&tzs);
my.tz = pmNewContextZone();
if (my.tz < 0)
pmprintf("%s: Warning: Unable to obtain timezone for %s: %s\n",
pmProgname, (const char *)my.desc.toAscii(),
pmErrStr(my.tz));
else {
sts = pmWhichZone(&tzs);
if (sts >= 0)
my.timezone = tzs;
else
pmprintf("%s: Warning: Unable to obtain timezone for %s: %s\n",
pmProgname, (const char *)my.desc.toAscii(),
pmErrStr(sts));
}
if (oldTZ >= 0) {
sts = pmUseZone(oldTZ);
if (sts < 0) {
pmprintf("%s: Warning: Unable to switch timezones."
" Using timezone for %s: %s\n",
pmProgname, (const char *)my.desc.toAscii(),
pmErrStr(sts));
}
}
}
else if (pmDebug & DBG_TRACE_PMC) {
QTextStream cerr(stderr);
cerr << "QmcSource::QmcSource: Context to " << source
<< " failed: " << pmErrStr(my.status) << endl;
}
done:
sourceList.append(this);
if (oldContext >= 0) {
sts = pmUseContext(oldContext);
if (sts < 0) {
pmprintf("%s: Warning: Unable to switch contexts."
" Using context to %s: %s\n",
pmProgname, (const char *)my.desc.toAscii(),
pmErrStr(sts));
}
}
}
