database/openGauss-server
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

add interface

Browse Source 
Offering: openGaussDev

More detail: add interface of get_client_info

Match-id-d860436ca1408ee2625b8a680a865a2f8f2784e0
This commit is contained in:
openGaussDev
2022-02-26 16:23:26 +08:00
committed by yanghao
parent 651da5cbe4
commit d17420c4f6
15 changed files with 160 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

59
src/gausskernel/process/threadpool/threadpool_sessctl.cpp
View File

@ -568,6 +568,65 @@ void ThreadPoolSessControl::getSessionMemoryDetail(Tuplestorestate* tupStore,
PG_END_TRY();
}
void ThreadPoolSessControl::calculateClientInfo(
knl_session_context* sess, Tuplestorestate* tupStore, TupleDesc tupDesc)
{
/* build one tuple and save it in tuplestore. */
const int COLUMN_NUM = 2;
Datum values[COLUMN_NUM] = {0};
bool nulls[COLUMN_NUM] = {false};
values[0] = Int64GetDatum(sess->session_id);
if (sess->plsql_cxt.client_info != NULL) {
values[1] = CStringGetTextDatum(sess->plsql_cxt.client_info);
} else {
nulls[1] = true;
}
tuplestore_putvalues(tupStore, tupDesc, values, nulls);
}
void ThreadPoolSessControl::getSessionClientInfo(Tuplestorestate* tupStore, TupleDesc tupDesc)
{
AutoMutexLock alock(&m_sessCtrlock);
knl_sess_control* ctrl = NULL;
Dlelem* elem = NULL;
knl_sess_control* sess = NULL;
PG_TRY();
{
HOLD_INTERRUPTS();
alock.lock();
/* collect all the Memory Context status, put in data */
elem = DLGetHead(&m_activelist);
while (elem != NULL) {
ctrl = (knl_sess_control*)DLE_VAL(elem);
sess = ctrl;
if (ctrl->sess) {
(void)syscalllockAcquire(&ctrl->sess->plsql_cxt.client_info_lock);
calculateClientInfo(ctrl->sess, tupStore, tupDesc);
(void)syscalllockRelease(&ctrl->sess->plsql_cxt.client_info_lock);
}
elem = DLGetSucc(elem);
}
alock.unLock();
sess = NULL;
RESUME_INTERRUPTS();
}
PG_CATCH();
{
if (sess != NULL) {
ctrl = sess;
(void)syscalllockRelease(&ctrl->sess->plsql_cxt.client_info_lock);
}
alock.unLock();
PG_RE_THROW();
}
PG_END_TRY();
}
void ThreadPoolSessControl::getSessionMemoryContextInfo(const char* ctx_name,
StringInfoData* buf, knl_sess_control** sess)
{