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prevent from initiating multiple exchanges the same time

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This commit is contained in:
Martin Willi
2007-03-06 22:17:53 +00:00
parent 915c065d61
commit 2540992a06
1 changed files with 9 additions and 0 deletions
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src/charon/sa/task_manager.c
+9
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@@ -207,6 +207,13 @@ static status_t build_request(private_task_manager_t *this)
status_t status; status_t status;
exchange_type_t exchange = 0; exchange_type_t exchange = 0;
if (this->initiating.type != EXCHANGE_TYPE_UNDEFINED)
{
DBG2(DBG_IKE, "delaying task initiation, exchange in progress");
/* do not initiate if we already have a message in the air */
return SUCCESS;
}
if (this->active_tasks->get_count(this->active_tasks) == 0) if (this->active_tasks->get_count(this->active_tasks) == 0)
{ {
DBG2(DBG_IKE, "activating new tasks"); DBG2(DBG_IKE, "activating new tasks");
@@ -379,6 +386,7 @@ static status_t process_response(private_task_manager_t *this,
iterator->destroy(iterator); iterator->destroy(iterator);
this->initiating.mid++; this->initiating.mid++;
this->initiating.type = EXCHANGE_TYPE_UNDEFINED;
return build_request(this); return build_request(this);
} }
@@ -778,6 +786,7 @@ task_manager_t *task_manager_create(ike_sa_t *ike_sa)
this->initiating.packet = NULL; this->initiating.packet = NULL;
this->responding.mid = 0; this->responding.mid = 0;
this->initiating.mid = 0; this->initiating.mid = 0;
this->initiating.type = EXCHANGE_TYPE_UNDEFINED;
this->queued_tasks = linked_list_create(); this->queued_tasks = linked_list_create();
this->active_tasks = linked_list_create(); this->active_tasks = linked_list_create();
this->passive_tasks = linked_list_create(); this->passive_tasks = linked_list_create();