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implemented separate protocol and connection rwlocks

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This commit is contained in:
Andreas Steffen
2010-11-09 20:43:51 +01:00
parent d11c76bbd2
commit 83f08a783f
1 changed files with 31 additions and 21 deletions
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src/libcharon/tnc/tnccs/tnccs_manager.c
+31 -21
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@@ -80,6 +80,11 @@ struct private_tnccs_manager_t {
*/
linked_list_t *protocols;
/**
* rwlock to lock the TNCCS protocol entries
*/
rwlock_t *protocol_lock;
/**
* connection ID counter
*/
@@ -91,9 +96,9 @@ struct private_tnccs_manager_t {
linked_list_t *connections;
/**
* rwlock to lock TNCCS protocol and connection entries
* rwlock to lock TNCCS connection entries
*/
rwlock_t *lock;
rwlock_t *connection_lock;
};
@@ -101,14 +106,15 @@ METHOD(tnccs_manager_t, add_method, void,
private_tnccs_manager_t *this, tnccs_type_t type,
tnccs_constructor_t constructor)
{
tnccs_entry_t *entry = malloc_thing(tnccs_entry_t);
tnccs_entry_t *entry;
entry = malloc_thing(tnccs_entry_t);
entry->type = type;
entry->constructor = constructor;
this->lock->write_lock(this->lock);
this->protocol_lock->write_lock(this->protocol_lock);
this->protocols->insert_last(this->protocols, entry);
this->lock->unlock(this->lock);
this->protocol_lock->unlock(this->protocol_lock);
}
METHOD(tnccs_manager_t, remove_method, void,
@@ -117,7 +123,7 @@ METHOD(tnccs_manager_t, remove_method, void,
enumerator_t *enumerator;
tnccs_entry_t *entry;
this->lock->write_lock(this->lock);
this->protocol_lock->write_lock(this->protocol_lock);
enumerator = this->protocols->create_enumerator(this->protocols);
while (enumerator->enumerate(enumerator, &entry))
{
@@ -128,7 +134,7 @@ METHOD(tnccs_manager_t, remove_method, void,
}
}
enumerator->destroy(enumerator);
this->lock->unlock(this->lock);
this->protocol_lock->unlock(this->protocol_lock);
}
METHOD(tnccs_manager_t, create_instance, tnccs_t*,
@@ -138,7 +144,7 @@ METHOD(tnccs_manager_t, create_instance, tnccs_t*,
tnccs_entry_t *entry;
tnccs_t *protocol = NULL;
this->lock->read_lock(this->lock);
this->protocol_lock->read_lock(this->protocol_lock);
enumerator = this->protocols->create_enumerator(this->protocols);
while (enumerator->enumerate(enumerator, &entry))
{
@@ -152,7 +158,8 @@ METHOD(tnccs_manager_t, create_instance, tnccs_t*,
}
}
enumerator->destroy(enumerator);
this->lock->unlock(this->lock);
this->protocol_lock->unlock(this->protocol_lock);
return protocol;
}
@@ -161,16 +168,17 @@ METHOD(tnccs_manager_t, create_connection, TNC_ConnectionID,
tnccs_send_message_t send_message,
tnccs_provide_recommendation_t provide_recommendation)
{
tnccs_connection_entry_t *entry = malloc_thing(tnccs_connection_entry_t);
tnccs_connection_entry_t *entry;
entry->id = ++this->connection_id;
entry = malloc_thing(tnccs_connection_entry_t);
entry->tnccs = tnccs;
entry->send_message = send_message;
entry->provide_recommendation = provide_recommendation;
this->lock->write_lock(this->lock);
this->connection_lock->write_lock(this->connection_lock);
entry->id = ++this->connection_id;
this->connections->insert_last(this->connections, entry);
this->lock->unlock(this->lock);
this->connection_lock->unlock(this->connection_lock);
DBG1(DBG_TNC, "assigned TNCCS Connection ID %u", entry->id);
return entry->id;
@@ -182,7 +190,7 @@ METHOD(tnccs_manager_t, remove_connection, void,
enumerator_t *enumerator;
tnccs_connection_entry_t *entry;
this->lock->write_lock(this->lock);
this->connection_lock->write_lock(this->connection_lock);
enumerator = this->connections->create_enumerator(this->connections);
while (enumerator->enumerate(enumerator, &entry))
{
@@ -194,7 +202,7 @@ METHOD(tnccs_manager_t, remove_connection, void,
}
}
enumerator->destroy(enumerator);
this->lock->unlock(this->lock);
this->connection_lock->unlock(this->connection_lock);
}
METHOD(tnccs_manager_t, send_message, TNC_Result,
@@ -208,7 +216,7 @@ METHOD(tnccs_manager_t, send_message, TNC_Result,
tnccs_send_message_t send_message = NULL;
tnccs_t *tnccs = NULL;
this->lock->write_lock(this->lock);
this->connection_lock->read_lock(this->connection_lock);
enumerator = this->connections->create_enumerator(this->connections);
while (enumerator->enumerate(enumerator, &entry))
{
@@ -220,7 +228,7 @@ METHOD(tnccs_manager_t, send_message, TNC_Result,
}
}
enumerator->destroy(enumerator);
this->lock->unlock(this->lock);
this->connection_lock->unlock(this->connection_lock);
if (tnccs && send_message)
{
@@ -241,7 +249,7 @@ METHOD(tnccs_manager_t, provide_recommendation, TNC_Result,
tnccs_provide_recommendation_t provide_recommendation = NULL;
tnccs_t *tnccs = NULL;
this->lock->write_lock(this->lock);
this->connection_lock->read_lock(this->connection_lock);
enumerator = this->connections->create_enumerator(this->connections);
while (enumerator->enumerate(enumerator, &entry))
{
@@ -253,7 +261,7 @@ METHOD(tnccs_manager_t, provide_recommendation, TNC_Result,
}
}
enumerator->destroy(enumerator);
this->lock->unlock(this->lock);
this->connection_lock->unlock(this->connection_lock);
if (tnccs && provide_recommendation)
{
@@ -267,8 +275,9 @@ METHOD(tnccs_manager_t, destroy, void,
private_tnccs_manager_t *this)
{
this->protocols->destroy_function(this->protocols, free);
this->protocol_lock->destroy(this->protocol_lock);
this->connections->destroy_function(this->connections, free);
this->lock->destroy(this->lock);
this->connection_lock->destroy(this->connection_lock);
free(this);
}
@@ -292,7 +301,8 @@ tnccs_manager_t *tnccs_manager_create()
},
.protocols = linked_list_create(),
.connections = linked_list_create(),
.lock = rwlock_create(RWLOCK_TYPE_DEFAULT),
.protocol_lock = rwlock_create(RWLOCK_TYPE_DEFAULT),
.connection_lock = rwlock_create(RWLOCK_TYPE_DEFAULT),
);
return &this->public;