- Added asynchronous IO code from ANSTO

- Added new ACT protocol
- Extended sicshdbadapter to cover counters and status to put the status
 into Hipadaba
- Fixes to napi5.c
- Exe now supports hdbrun which allows to write output for a buffer into
 hdb node.

nwatch.h

@@ -0,0 +1,105 @@
+/*
+ * N E T   W A T C H E R
+ *
+ * This module watches network connections for sockets becoming readable or
+ * writeable and invokes callbacks. It also provides a timer mechanism.
+ *
+ * Douglas Clowes, February 2007
+ *
+ */
+#ifndef SICSNETWATCHER
+#define SICSNETWATCHER
+
+#define nwatch_read 1
+#define nwatch_write 2
+/**
+ * \brief network or timer callback function
+ *
+ * \param context from the network/timer registration
+ * \param mode
+ *    for network, nwatch_read or nwatch_write
+ *    for timer, zero, reserved for future use
+ *
+ * \return normally zero, for future use
+ */
+typedef int (*pNWCallback)(void* context, int mode);
+
+/* the abstract timer object handle */
+typedef struct __netwatchtimer *pNWTimer;
+
+/**
+ * \brief register a one-shot timer event
+ *
+ * \param handle pointer to location to receive the timer object handle
+ * \param mSec milliseconds after which the timer should expire
+ * \param callback function when timer expires
+ * \param context abstract context passed to callback function
+ * \return success=1, failure=0
+ */
+int NetWatchRegisterTimer(pNWTimer* handle, int mSec,
+    pNWCallback callback, void* context);
+
+/**
+ * \brief register a periodic timer
+ *
+ * \param handle pointer to location to receive the timer object handle
+ * \param mSec milliseconds after which the timer should expire
+ * \param mSecPeriod milliseconds after which the timer should repeat
+ * \param callback function when timer expires
+ * \param context abstract context passed to callback function
+ * \return success=1, failure=0
+ */
+int NetWatchRegisterTimerPeriodic(pNWTimer* handle, int mSecInitial, int mSecPeriod,
+    pNWCallback callback, void* context);
+
+int NetWatchGetTimerPeriod(pNWTimer handle);
+int NetWatchSetTimerPeriod(pNWTimer handle, int mSecPeriod);
+/**
+ * \brief remove a registered timer event
+ *
+ * \param handle from the timer registration
+ * \return success=1, failure=0
+ */
+int NetWatchRemoveTimer(pNWTimer handle);
+
+/* the abstract socket object handle */
+typedef struct __netwatchcontext *pNWContext;
+
+/**
+ * \brief register a socket to be watched in read mode
+ *
+ * \param handle pointer to location to receive the socket object handle
+ * \param iSocket file descriptor number of the socket to watch
+ * \param callback function when socket readable/writeable
+ * \param context abstract context passed to callback function
+ * \return success=1, failure=0
+ */
+int NetWatchRegisterCallback(pNWContext* handle, int iSocket,
+    pNWCallback callback, void* context);
+
+/**
+ * \brief remove a socket callback registration
+ *
+ * \param handle from the socket registration
+ * \return success=1, failure=0
+ */
+int NetWatchRemoveCallback(pNWContext handle);
+
+/**
+ * \brief retrieve the mode of a socket callback registration
+ *
+ * \param handle from the socket registration
+ * \return 0=failure else the mode (read and/or write)
+ */
+int NetWatchGetMode(pNWContext handle);
+
+/**
+ * \brief set the mode of a socket callback registration
+ *
+ * \param handle from the socket registration
+ * \param mode read and/or write 
+ * \return 0=failure, 1=success
+ */
+int NetWatchSetMode(pNWContext handle, int mode);
+
+#endif /* SICSNETWATCHER */