Change synchronization code license to LGPLv2.1

[lttv.git] / lttv / lttv / sync / data_structures.h

diff --git a/lttv/lttv/sync/data_structures.h b/lttv/lttv/sync/data_structures.h
index 082bbdf63416e6338ef8165189dc6a563130df51..7ed3bfc1879ba7edd9f5941c2e8395d0d7537798 100644 (file)
--- a/lttv/lttv/sync/data_structures.h
+++ b/lttv/lttv/sync/data_structures.h
@@ -1,19 +1,18 @@
 /* This file is part of the Linux Trace Toolkit viewer
- * Copyright (C) 2009 Benjamin Poirier <benjamin.poirier@polymtl.ca>
+ * Copyright (C) 2009, 2010 Benjamin Poirier <benjamin.poirier@polymtl.ca>
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License Version 2 as
- * published by the Free Software Foundation;
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 2.1 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.
+ * 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 Lesser 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.
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #ifndef DATA_STRUCTURES_H
@@ -23,7 +22,19 @@
 #include <stdbool.h>
 #include <stdint.h>
 
-#include <ltt/ltt.h>
+
+enum Direction
+{
+       OUT,
+       IN,
+};
+
+enum EventType
+{
+       TCP,
+       UDP,
+       TYPE_COUNT // This must be the last field
+};
 
 // Stage 1 to 2: These structures are passed from processing to matching modules
 // TCP events
@@ -43,12 +54,6 @@ typedef struct
        uint8_t ack, rst, syn, fin;
 } SegmentKey;
 
-enum Direction
-{
-       OUT,
-       IN,
-};
-
 typedef struct
 {
        enum Direction direction;
@@ -59,6 +64,8 @@ typedef struct
 typedef struct
 {
        uint32_t saddr, daddr;
+       uint16_t source, dest;
+       uint16_t ulen;
        uint8_t dataKey[8];
 } DatagramKey;
 
@@ -69,20 +76,30 @@ typedef struct
        bool unicast;
 } UDPEvent;
 
+typedef struct
+{
+       uint32_t seconds;
+       uint32_t nanosec;
+} WallTime;
+
 typedef struct _Event
 {
        unsigned long traceNum;
-       uint64_t time;
+       // wallTime is corrected according to factors in trace struct, cpuTime
+       // is not
+       uint64_t cpuTime;
+       WallTime wallTime;
 
        // specific event structures and functions could be in separate files and
        // type could be an int
-       enum {TCP, UDP} type;
+       enum EventType type;
        // event could be a void*, this union is to avoid having to cast
        union {
                TCPEvent* tcpEvent;
                UDPEvent* udpEvent;
        } event;
 
+       void (*copy)(const struct _Event* const event, struct _Event** const newEvent);
        void (*destroy)(struct _Event* const event);
 } Event;
 
@@ -97,11 +114,13 @@ typedef struct _Message
 typedef struct
 {
        Message* message;
+       // Event* acks[]
        GQueue* acks;
 } Exchange;
 
 typedef struct
 {
+       // Event* events[]
        GQueue* events;
 } Broadcast;
 
@@ -125,11 +144,22 @@ void gdnConnectionKeyDestroy(gpointer data);
 guint ghfSegmentKeyHash(gconstpointer key);
 gboolean gefSegmentKeyEqual(gconstpointer a, gconstpointer b);
 
+// DatagramKey-related functions
+guint ghfDatagramKeyHash(gconstpointer key);
+gboolean gefDatagramKeyEqual(gconstpointer a, gconstpointer b);
+void gdnDestroyDatagramKey(gpointer data);
+
 // Event-related functions
 void gdnDestroyEvent(gpointer data);
+void copyEvent(const Event* const event, Event** const newEvent);
+void copyTCPEvent(const Event* const event, Event** const newEvent);
+void copyUDPEvent(const Event* const event, Event** const newEvent);
 void destroyEvent(Event* const event);
 void destroyTCPEvent(Event* const event);
 void destroyUDPEvent(Event* const event);
+void gfDestroyEvent(gpointer data, gpointer user_data);
+double wallTimeSub(const WallTime const* tA, const WallTime const* tB);
+void gfAddEventToArray(gpointer data, gpointer user_data);
 
 // Message-related functions
 void printTCPSegment(const Message* const segment);
@@ -144,4 +174,9 @@ void destroyTCPSegment(Message* const segment);
 
 // Exchange-related functions
 void destroyTCPExchange(Exchange* const exchange);
+
+// Broadcast-related functions
+void gdnDestroyBroadcast(gpointer data);
+void destroyBroadcast(Broadcast* const broadcast);
+
 #endif