initial checkin

Check in contents of upstream 1.4.2 tarball, exclude generated files.

1 files changed, 123 insertions, 0 deletions

diff --git a/src/transaction_layer.h b/src/transaction_layer.h
new file mode 100644
index 0000000..ee2b62a
--- /dev/null
+++ b/src/transaction_layer.h
@@ -0,0 +1,123 @@
+/*
+    Copyright (C) 2005-2009  Michel de Boer <michel@twinklephone.com>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+#ifndef _TRANSACTION_LAYER_H
+#define _TRANSACTION_LAYER_H
+
+#include "events.h"
+#include "prohibit_thread.h"
+#include "transaction.h"
+#include "parser/request.h"
+#include "parser/response.h"
+#include "stun/stun.h"
+#include "threads/mutex.h"
+
+typedef unsigned short	t_tuid;
+
+class t_transaction_layer : public i_prohibit_thread {
+private:
+	// Mutex to guarantee that only 1 thread at a time is
+	// accessing the transaction layer.
+	mutable t_recursive_mutex	tl_mutex;
+
+	void recvd_response(t_response *r, t_tuid tuid, t_tid tid);
+	void recvd_request(t_request *r, t_tid tid, t_tid tid_cancel_target);
+	void recvd_async_response(t_event_async_response *event);
+
+protected:
+	// Client event handlers
+	// After returning from this function, the response pointer
+	// will be deleted.
+	virtual void recvd_provisional(t_response *r, t_tuid tuid,
+			t_tid tid) = 0;
+	virtual void recvd_success(t_response *r, t_tuid tuid, t_tid tid) = 0;
+	virtual void recvd_redirect(t_response *r, t_tuid tuid,
+			t_tid tid) = 0;
+	virtual void recvd_client_error(t_response *r, t_tuid tuid,
+			t_tid tid) = 0;
+	virtual void recvd_server_error(t_response *r, t_tuid tuid,
+			t_tid tid) = 0;
+	virtual void recvd_global_error(t_response *r, t_tuid tuid,
+			t_tid tid) = 0;
+			
+	// General post processing for all responses
+	virtual void post_process_response(t_response *r, t_tuid tuid,
+			t_tid tid) = 0;
+
+	// Server event handlers
+	// After returning from this function, the request pointer
+	// will be deleted.
+	virtual void recvd_invite(t_request *r, t_tid tid) = 0;
+	virtual void recvd_ack(t_request *r, t_tid tid) = 0;
+	virtual void recvd_cancel(t_request *r, t_tid cancel_tid,
+				t_tid target_tid) = 0;
+	virtual void recvd_bye(t_request *r, t_tid tid) = 0;
+	virtual void recvd_options(t_request *r, t_tid tid) = 0;
+	virtual void recvd_register(t_request *r, t_tid tid) = 0;
+	virtual void recvd_prack(t_request *r, t_tid tid) = 0;
+	virtual void recvd_subscribe(t_request *r, t_tid tid) = 0;
+	virtual void recvd_notify(t_request *r, t_tid tid) = 0;
+	virtual void recvd_refer(t_request *r, t_tid tid) = 0;
+	virtual void recvd_info(t_request *r, t_tid tid) = 0;
+	virtual void recvd_message(t_request *r, t_tid tid) = 0;
+	
+	// General post processing for all requests
+	virtual void post_process_request(t_request *r, t_tid cancel_tid,
+				t_tid target_tid) = 0;
+
+	// The transaction failed and is aborted
+	virtual void failure(t_failure failure, t_tid tid) = 0;
+	
+	// STUN event handler
+	virtual void recvd_stun_resp(StunMessage *r, t_tuid tuid, t_tid tid) = 0;
+	
+	// The user has granted or rejected an incoming REFER request.
+	virtual void recvd_refer_permission(bool permission) = 0;
+	
+	/**
+	 * Handle timeout event.
+	 * @param e [in] Timeout event.
+	 */
+	virtual void handle_event_timeout(t_event_timeout *e) = 0;
+	
+	/**
+	 * Handle broken connection event.
+	 * @param e [in] Broken connection event.
+	 */
+	virtual void handle_broken_connection(t_event_broken_connection *e) = 0;
+
+public:
+	virtual ~t_transaction_layer() {};
+
+	// Client primitives
+	void send_request(t_user *user_config, t_request *r, t_tuid tuid);
+	void send_request(t_user *user_config, StunMessage *r, t_tuid tuid);
+
+	// Server primitives
+	void send_response(t_response *r, t_tuid tuid, t_tid tid);
+
+	// Main loop
+	void run(void);
+
+	// Lock and unlocking methods for dedicated access to the
+	// transaction layer.
+	void lock(void) const;
+	void unlock(void) const;
+};
+
+#endif