Merged revisions 204710 via svnmerge from

https://origsvn.digium.com/svn/asterisk/trunk

................
  r204710 | dvossel | 2009-07-02 11:03:44 -0500 (Thu, 02 Jul 2009) | 21 lines
  
  Merged revisions 204681 via svnmerge from 
  https://origsvn.digium.com/svn/asterisk/branches/1.4
  
  ........
    r204681 | dvossel | 2009-07-02 10:05:57 -0500 (Thu, 02 Jul 2009) | 14 lines
    
    Improved mapping of extension states from combined device states.
    
    This fixes a few issues with incorrect extension states and adds
    a cli command, core show device2extenstate, to display all possible
    state mappings.
    
    (closes issue #15413)
    Reported by: legart
    Patches:
          exten_helper.diff uploaded by dvossel (license 671)
    Tested by: dvossel, legart, amilcar
    
    Review: https://reviewboard.asterisk.org/r/301/
  ........
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git-svn-id: http://svn.digium.com/svn/asterisk/branches/1.6.0@204754 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 59 insertions, 0 deletions

diff --git a/include/asterisk/devicestate.h b/include/asterisk/devicestate.h
index 1b7cdd4c8..ed747bf5a 100644
--- a/include/asterisk/devicestate.h
+++ b/include/asterisk/devicestate.h
@@ -56,6 +56,7 @@ enum ast_device_state {
 	AST_DEVICE_RINGING,      /*!< Device is ringing */
 	AST_DEVICE_RINGINUSE,    /*!< Device is ringing *and* in use */
 	AST_DEVICE_ONHOLD,       /*!< Device is on hold */
+	AST_DEVICE_TOTAL,        /*/ Total num of device states, used for testing */
 };
 
 /*! \brief Devicestate provider call back */
@@ -175,6 +176,64 @@ int ast_device_state_changed(const char *fmt, ...)
  */
 int ast_device_state_changed_literal(const char *device);
 
+/*!
+ * \brief An object to hold state when calculating aggregate device state
+ */
+struct ast_devstate_aggregate;
+
+/*!
+ * \brief Initialize aggregate device state
+ *
+ * \param[in] agg the state object
+ *
+ * \return nothing
+ */
+void ast_devstate_aggregate_init(struct ast_devstate_aggregate *agg);
+
+/*!
+ * \brief Add a device state to the aggregate device state
+ *
+ * \param[in] agg the state object
+ * \param[in] state the state to add
+ *
+ * \return nothing
+ */
+void ast_devstate_aggregate_add(struct ast_devstate_aggregate *agg, enum ast_device_state state);
+
+/*!
+ * \brief Get the aggregate device state result
+ *
+ * \param[in] agg the state object
+ *
+ * \return the aggregate device state after adding some number of device states.
+ */
+enum ast_device_state ast_devstate_aggregate_result(struct ast_devstate_aggregate *agg);
+
+/*!
+ * \brief Map devstate to an extension state.
+ *
+ * \param[in] device state
+ *
+ * \return the extension state mapping.
+ */
+enum ast_extension_states ast_devstate_to_extenstate(enum ast_device_state devstate);
+
+/*!
+ * \brief You shouldn't care about the contents of this struct
+ *
+ * This struct is only here so that it can be easily declared on the stack.
+ */
+struct ast_devstate_aggregate {
+	unsigned int all_unavail:1;
+	unsigned int all_busy:1;
+	unsigned int all_free:1;
+	unsigned int all_unknown:1;
+	unsigned int on_hold:1;
+	unsigned int busy:1;
+	unsigned int in_use:1;
+	unsigned int ring:1;
+};
+
 /*! 
  * \brief Add device state provider 
  *