/**
* This function contains the main check machinery for monit. The
* validate function check services in the service list to see if
* they will pass all defined tests.
*/
void validate() {
Service_T s;
sigset_t ns, os;
if(! update_loadavg())
log("Update of loadavg has failed!\n");
if(Run.doprocess)
initprocesstree();
for(s= servicelist; s; s= s->next) {
if(s->visited)
continue;
LOCK(s->mutex)
set_signal_block(&ns, &os);
if(s->do_monitor && !check_skip(s) && !check_timeout(s))
s->check(s);
unset_signal_block(&os);
END_LOCK;
}
if(Run.doprocess)
delprocesstree();
reset_depend();
}
// stats_on_add should be called after writing sval with the value
static void stats_on_add(const StringData* key, const StoreValue* sval,
int64 ttl, bool prime, bool file) {
if (RuntimeOption::EnableAPCSizeStats && !check_skip(key->data())) {
int32 size = sval->var->getSpaceUsage();
SharedStoreStats::addDirect(key->size(), size, prime, file);
sval->size = size;
}
if (RuntimeOption::EnableAPCSizeStats &&
(RuntimeOption::EnableAPCSizeGroup ||
RuntimeOption::EnableAPCSizeDetail)) {
SharedStoreStats::onStore(key, sval->var, ttl, prime);
}
}
// stats_on_update should be called before updating sval with new value
static void stats_on_update(const StringData* key, const StoreValue* sval,
const SharedVariant* svar, int64 ttl) {
if (RuntimeOption::EnableAPCSizeStats && !check_skip(key->data())) {
int32 newSize = svar->getSpaceUsage();
SharedStoreStats::updateDirect(sval->size, newSize);
sval->size = newSize;
}
if (RuntimeOption::EnableAPCSizeStats &&
(RuntimeOption::EnableAPCSizeGroup ||
RuntimeOption::EnableAPCSizeDetail)) {
SharedStoreStats::onDelete(key, sval->var, true, sval->expiry == 0);
SharedStoreStats::onStore(key, svar, ttl, false);
}
}
/**
* This function contains the main check machinery for monit. The
* validate function check services in the service list to see if
* they will pass all defined tests.
*/
int validate() {
int errors = 0;
Service_T s;
Run.handler_flag = HANDLER_SUCCEEDED;
Event_queue_process();
initprocesstree(&ptree, &ptreesize, &oldptree, &oldptreesize);
gettimeofday(&systeminfo.collected, NULL);
/* In the case that at least one action is pending, perform quick
* loop to handle the actions ASAP */
if (Run.doaction) {
Run.doaction = 0;
for (s = servicelist; s; s = s->next)
do_scheduled_action(s);
}
/* Check the services */
for (s = servicelist; s && !Run.stopped; s = s->next) {
if (! do_scheduled_action(s) && s->monitor && ! check_skip(s)) {
check_timeout(s); // Can disable monitoring => need to check s->monitor again
if (s->monitor) {
if (! s->check(s))
errors++;
/* The monitoring may be disabled by some matching rule in s->check
* so we have to check again before setting to MONITOR_YES */
if (s->monitor != MONITOR_NOT)
s->monitor = MONITOR_YES;
}
}
gettimeofday(&s->collected, NULL);
}
reset_depend();
return errors;
}
bool ConcurrentTableSharedStore::store(CStrRef key, CVarRef val, int64 ttl,
bool overwrite /* = true */) {
bool stats = RuntimeOption::EnableStats && RuntimeOption::EnableAPCStats;
bool statsDetail = RuntimeOption::EnableAPCSizeStats &&
RuntimeOption::EnableAPCSizeGroup;
StoreValue *sval;
SharedVariant* var = construct(key, val);
ReadLock l(m_lock);
const char *kcp = strdup(key.data());
bool present;
time_t expiry;
{
Map::accessor acc;
present = !m_vars.insert(acc, kcp);
sval = &acc->second;
if (present) {
free((void *)kcp);
if (overwrite || sval->expired()) {
if (statsDetail) {
SharedStoreStats::onDelete(key.get(), sval->var, true);
}
sval->var->decRef();
if (RuntimeOption::EnableAPCSizeStats && !check_skip(key.data())) {
int32 size = var->getSpaceUsage();
SharedStoreStats::updateDirect(sval->size, size);
sval->size = size;
}
} else {
var->decRef();
return false;
}
} else {
if (RuntimeOption::EnableAPCSizeStats) {
int32 size = var->getSpaceUsage();
SharedStoreStats::addDirect(key.size(), size);
sval->size = size;
}
}
sval->set(var, ttl);
expiry = sval->expiry;
if (statsDetail) {
SharedStoreStats::onStore(key.get(), var, ttl, false);
}
}
if (RuntimeOption::ApcExpireOnSets) {
if (ttl) {
addToExpirationQueue(key.data(), expiry);
}
purgeExpired();
}
if (stats) {
if (present) {
ServerStats::Log("apc.update", 1);
} else {
ServerStats::Log("apc.new", 1);
if (RuntimeOption::EnableStats && RuntimeOption::EnableAPCKeyStats) {
string prefix = "apc.new.";
prefix += GetSkeleton(key);
ServerStats::Log(prefix, 1);
}
}
}
return true;
}