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-rw-r--r--daemon/Buffer.h66
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diff --git a/daemon/Buffer.h b/daemon/Buffer.h
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+/**
+ * Copyright (C) ARM Limited 2013. All rights reserved.
+ *
+ * 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.
+ */
+
+#ifndef BUFFER_H
+#define BUFFER_H
+
+#include <stddef.h>
+#include <stdint.h>
+#include <semaphore.h>
+
+#define GATOR_LIVE
+
+class Sender;
+
+class Buffer {
+public:
+ static const size_t MAXSIZE_PACK32 = 5;
+ static const size_t MAXSIZE_PACK64 = 10;
+
+ Buffer (int32_t core, int32_t buftype, const int size, sem_t *const readerSem);
+ ~Buffer ();
+
+ void write (Sender * sender);
+
+ int bytesAvailable () const;
+ void commit (const uint64_t time);
+ void check (const uint64_t time);
+
+ void frame ();
+
+ bool eventHeader (uint64_t curr_time);
+ void event (int32_t key, int32_t value);
+ void event64 (int64_t key, int64_t value);
+
+ void setDone ();
+ bool isDone () const;
+
+private:
+ bool commitReady () const;
+ bool checkSpace (int bytes);
+
+ void packInt (int32_t x);
+ void packInt64 (int64_t x);
+
+ const int32_t core;
+ const int32_t buftype;
+ const int size;
+ int readPos;
+ int writePos;
+ int commitPos;
+ bool available;
+ bool done;
+ char *const buf;
+#ifdef GATOR_LIVE
+ uint64_t commitTime;
+#endif
+
+ sem_t *const readerSem;
+};
+
+#endif // BUFFER_H