[usdt] http_attach_client_session: add args (#13041)

moonchen · web-flow · commit 5f30ce6dc387 · 2026-03-31T14:48:40.000-05:00
Add the following USDT arguments to http_attach_client_session: transaction id, netVC id.
diff --git a/src/proxy/http/HttpSM.cc b/src/proxy/http/HttpSM.cc
@@ -423,7 +423,8 @@ HttpSM::attach_client_session(ProxyTransaction *txn)
   if (!netvc) {
     return;
   }
-  ATS_PROBE2(http_attach_client_session, sm_id, netvc->get_socket());
+  ATS_PROBE4(http_attach_client_session, sm_id, netvc->get_socket(), txn->get_transaction_id(),
+             dynamic_cast<UnixNetVConnection *>(netvc) ? dynamic_cast<UnixNetVConnection *>(netvc)->id : 0);
   _ua.set_txn(txn, milestones);
 
   // Collect log & stats information. We've already verified that the netvc is !nullptr above,

Original file line number	Diff line number	Diff line change
`@@ -423,7 +423,8 @@ HttpSM::attach_client_session(ProxyTransaction *txn)`
`423`	`423`	`if (!netvc) {`
`424`	`424`	`return;`
`425`	`425`	`}`
`426`		`- ATS_PROBE2(http_attach_client_session, sm_id, netvc->get_socket());`
	`426`	`+ ATS_PROBE4(http_attach_client_session, sm_id, netvc->get_socket(), txn->get_transaction_id(),`
	`427`	`+ dynamic_cast<UnixNetVConnection >(netvc) ? dynamic_cast<UnixNetVConnection >(netvc)->id : 0);`
`427`	`428`	`_ua.set_txn(txn, milestones);`
`428`	`429`
`429`	`430`	`// Collect log & stats information. We've already verified that the netvc is !nullptr above,`