Method releaseConnection

src/jrd/extds/ExtDS.cpp:464–541

}

void Provider::releaseConnection(thread_db* tdbb, Connection& conn, bool inPool)
{
	ConnectionsPool* connPool = conn.getConnPool();
	Attachment* att = conn.getBoundAtt();

	{ // m_mutex scope
		MutexLockGuard guard(m_mutex, FB_FUNCTION);

		bool found = false;
		AttToConnMap::Accessor acc(&m_connections);
		if (acc.locate(AttToConn(att, &conn)))
		{
			Connection* test = acc.current().m_conn;
			fb_assert(test == &conn);

			found = true;
			acc.fastRemove();
		};

		fb_assert(found);
		conn.setBoundAtt(NULL);

		if (inPool && connPool)
			m_connections.add(AttToConn(NULL, &conn));
	}

	FbLocalStatus resetError;
	inPool = inPool && connPool && connPool->getMaxCount() &&
		conn.isConnected() && conn.hasValidCryptCallback();

	if (inPool)
	{
		inPool = conn.resetSession(tdbb);

		// Check if reset of external session failed when parent (local) attachment
		// is resetting or run ON DISCONNECT trigger.

		const auto status = tdbb->tdbb_status_vector;
		if (!inPool && status->hasData())
		{
			if (att->att_flags & ATT_resetting)
				resetError.loadFrom(status);
			else
			{
				auto req = tdbb->getRequest();
				while (req)
				{
					if (req->req_trigger_action == TRIGGER_DISCONNECT)
					{
						resetError.loadFrom(status);
						break;
					}
					req = req->req_caller;
				}
			}
		}
	}