add softtimer to the core, begin framework for static modules and reduces calls to gettimeofday for timestamps

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@5784 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/include/private/switch_core_pvt.h

@@ -152,6 +152,10 @@ struct switch_runtime {
 	uint8_t running;
 	char uuid_str[SWITCH_UUID_FORMATTED_LENGTH + 1];
 	uint32_t flags;
+	switch_time_t timestamp;
+	switch_mutex_t *throttle_mutex;
+	uint32_t sps_total;
+	int32_t sps;
 };
 
 extern struct switch_runtime runtime;

src/include/switch_core.h

@@ -252,6 +252,13 @@ SWITCH_DECLARE(switch_status_t) switch_core_init_and_modload(const char *console
 */
 SWITCH_DECLARE(uint32_t) switch_core_session_limit(uint32_t new_limit);
 
+/*! 
+  \brief Set/Get Session Rate Limit
+  \param new_limit new value (if > 0)
+  \return the current session rate limit
+*/
+SWITCH_DECLARE(uint32_t) switch_core_sessions_per_second(uint32_t new_limit);
+
 /*! 
   \brief Destroy the core
   \note to be called at application shutdown
@@ -1464,6 +1471,7 @@ SWITCH_DECLARE(uint8_t) switch_core_session_compare(switch_core_session_t *a, sw
 
 SWITCH_DECLARE(switch_loadable_module_interface_t *) switch_loadable_module_create_module_interface(switch_memory_pool_t *pool, const char *name);
 SWITCH_DECLARE(void *) switch_loadable_module_create_interface(switch_loadable_module_interface_t *mod, switch_module_interface_name_t iname);
+SWITCH_DECLARE(switch_time_t) switch_timestamp_now(void);
 ///\}
 
 /*!

src/include/switch_loadable_module.h

@@ -120,13 +120,16 @@ SWITCH_DECLARE(switch_dialplan_interface_t *) switch_loadable_module_get_dialpla
   \param switch_module_load the function to call when the module is loaded
   \param switch_module_runtime a function requested to be started in it's own thread once loaded
   \param switch_module_shutdown the function to call when the system is shutdown
+  \param runtime start the runtime thread or not
   \return the resulting status
   \note only use this function if you are making a module that in turn gateways module loading to another technology
  */
 SWITCH_DECLARE(switch_status_t) switch_loadable_module_build_dynamic(char *filename,
 																	 switch_module_load_t switch_module_load,
 																	 switch_module_runtime_t switch_module_runtime,
-																	 switch_module_shutdown_t switch_module_shutdown);
+																	 switch_module_shutdown_t switch_module_shutdown,
+																	 switch_bool_t runtime);
+																	 
 
 /*!
   \brief Retrieve the timer interface by it's registered name
@@ -312,6 +315,11 @@ SWITCH_MOD_DECLARE(switch_status_t) switch_module_shutdown(void);
 
 ///\}
 
+#define SWITCH_DECLARE_STATIC_MODULE(init, load, run, shut) void init(void) { \
+		switch_loadable_module_build_dynamic(__FILE__, load, run, shut, SWITCH_FALSE); \
+	}
+
+
 SWITCH_END_EXTERN_C
 #endif
 /* For Emacs: